VITEK MS

K181412 · bioMerieux, Inc. · QBN · Dec 21, 2018 · Microbiology

Device Facts

Record IDK181412
Device NameVITEK MS
ApplicantbioMerieux, Inc.
Product CodeQBN · Microbiology
Decision DateDec 21, 2018
DecisionSESE
Submission TypeTraditional
Regulation21 CFR 866.3378
Device ClassClass 2

Intended Use

VITEK® MS is a mass spectrometry system using matrix-assisted laser desorption/ionization – time of flight mass spectrometry (MALDI-TOF MS) for the identification of microorganisms cultured from human specimens. The VITEK® MS is a qualitative in vitro diagnostic device indicated for use in conjunction with other clinical and laboratory findings to aid in the diagnosis of bacterial, yeast and mould infections.

Device Story

VITEK MS is a MALDI-TOF mass spectrometry system for microbial identification. Input: microbial colonies cultured from human specimens. Process: colonies mixed with matrix solution (CHCA) on disposable target slides; laser ionizes proteins; mass analyzer measures time-of-flight to generate spectral profile; software compares spectrum against reference database (Knowledge Base v3.2.0) using mass binning algorithm. Output: identification of organism or organism group. Used in clinical microbiology laboratories by trained personnel. For Brucella species, specific inactivation protocol required prior to analysis. Results aid clinicians in diagnosing bacterial/fungal infections.

Clinical Evidence

Clinical trial evaluated 4,241 isolates (bacteria, yeast, Brucella) across multiple sites. Overall agreement was 98.8% (4189/4241) compared to reference methods (DNA sequencing/well-characterized strains). Excluding 'No ID' results, agreement was 99.7% (4189/4201). Discordant rate was 0.3% (12/4241). Brucella-specific testing showed 91.7% agreement (220/240), improving to 100% (220/220) when excluding 'No ID' results. Reproducibility and quality control testing demonstrated 100% agreement.

Technological Characteristics

MALDI-TOF mass spectrometer (Shimadzu AXIMA Assurance). Matrix: Alpha-cyano-4-hydroxy-cinnamic acid (CHCA). Laser: 337 nm nitrogen, fixed focus, Class 1. Target slides: disposable 48-position. Software: VITEK MS Acquisition Station, Analysis Server, Computation Engine, Myla Middleware. Database: KB v3.2.0. Calibration: E. coli ATCC 8739. Connectivity: Networked via Myla to LIS.

Indications for Use

Indicated for identification of microorganisms cultured from human specimens, including Gram-positive/negative aerobic and anaerobic bacteria, Brucella species, and yeasts, to aid in diagnosis of bacterial, yeast, and mould infections. For prescription use only.

Regulatory Classification

Identification

A clinical mass spectrometry microorganism identification and differentiation system is a qualitative in vitro diagnostic device intended for the identification and differentiation of microorganisms from processed human specimens. The system acquires, processes, and analyzes spectra to generate data specific to a microorganism(s). The device is indicated for use in conjunction with other clinical and laboratory findings to aid in the diagnosis of bacterial and fungal infection.

Special Controls

Clinical mass spectrometry microorganism identification and differentiation system must comply with the following special controls:

*Classification.* Class II (special controls). The special controls for this device are:(1) The intended use statement must include a detailed description of what the device detects, the type of results provided to the user, the clinical indications appropriate for test use, and the specific population(s) for which the device is intended, when applicable. (2) Any sample collection device used must be FDA-cleared, -approved, or -classified as 510(k) exempt with an indication for in vitro diagnostic use. (3) The labeling required under § 809.10(b) of this chapter must include: (i) A detailed device description, including all device components, control elements incorporated into the test procedure, instrument requirements, ancillary reagents required but not provided, and a detailed explanation of the methodology and all pre-analytical methods for processing of specimens, and algorithm used to generate a final result. This must include a description of validated inactivation procedure(s) that are confirmed through a viability testing protocol, as applicable. (ii) Performance characteristics for all claimed sample types from clinical studies with clinical specimens that include prospective samples and/or, if appropriate, characterized samples. (iii) Performance characteristics of the device for all claimed sample types based on analytical studies, including limit of detection, inclusivity, reproducibility, interference, cross-reactivity, interfering substances, carryover/cross-contamination, sample stability, and additional studies regarding processed specimen type and intended use claims, as applicable. (iv) A detailed explanation of the interpretation of test results for clinical specimens and acceptance criteria for any quality control testing. (4) The device's labeling must include a prominent hyperlink to the manufacturer's website where the manufacturer must make available their most recent version of the device's labeling required under § 809.10(b) of this chapter, which must reflect any changes in the performance characteristics of the device. FDA must have unrestricted access to this website, or manufacturers must provide this information to FDA through an alternative method that is considered and determined by FDA to be acceptable and appropriate. (5) Design verification and validation must include: (i) Any clinical studies must be performed with samples representative of the intended use population and compare the device performance to results obtained from an FDA-accepted reference method and/or FDA-accepted comparator method, as appropriate. Documentation from the clinical studies must include the clinical study protocol (including predefined statistical analysis plan, if applicable), clinical study report, and results of all statistical analyses. (ii) Performance characteristics for analytical and clinical studies for specific identification processes for the following, as appropriate: (A) Bacteria, (B) Yeasts, (C) Molds, (D) Mycobacteria, (E) Nocardia, (F) Direct sample testing ( *e.g.,* blood culture),(G) Antibiotic resistance markers, and (H) Select agents ( *e.g.,* pathogens of high consequence).(iii) Documentation that the manufacturer's risk mitigation strategy ensures that their device does not prevent any device(s) with which it is indicated for use, including incorporated device(s), from achieving their intended use ( *e.g.,* safety and effectiveness of the functions of the indicated device(s) remain unaffected).(iv) A detailed device description, including the following: (A) Overall device design, including all device components and all control elements incorporated into the testing procedure. (B) Algorithm used to generate a final result from raw data ( *e.g.,* how raw signals are converted into a reported result).(C) A detailed description of device software, including validation activities and outcomes. (D) Acquisition parameters ( *e.g.,* mass range, laser power, laser profile and number of laser shots per profile, raster scan, signal-to-noise threshold) used to generate data specific to a microorganism.(E) Implementation methodology, construction parameters, and quality assurance protocols, including the standard operating protocol for generation of reference entries for the device. (F) For each claimed microorganism characteristic, a minimum of five reference entries for each organism (including the type strain for microorganism identification), or, if there are fewer reference entries, a clinical and/or technical justification, determined by FDA to be acceptable and appropriate, for why five reference entries are not needed. (G) DNA sequence analysis characterizing all type strains and at least 20 percent of the non-type strains of a species detected by the device, or, if there are fewer strain sequences, then a clinical and/or technical justification, determined by FDA to be acceptable and appropriate, must be provided for the reduced number of strains sequenced. (H) As part of the risk management activities, an appropriate end user device training program, which must be offered as an effort to mitigate the risk of failure from user error.

Predicate Devices

Related Devices

Submission Summary (Full Text)

{0}------------------------------------------------ December 21, 2018 Image /page/0/Picture/1 description: The image shows the logo of the U.S. Food and Drug Administration (FDA). The logo consists of two parts: a seal on the left and the FDA acronym with the agency's full name on the right. The seal features an eagle emblem surrounded by text, while the FDA acronym is in blue, followed by "U.S. FOOD & DRUG ADMINISTRATION" in a sans-serif font, also in blue. bioMerieux, Inc. Jennifer Jines Regulatory Affairs Specialist 595 Anglum Rd. Hazelwood, Missouri 63042 Re: K181412 Trade/Device Name: Vitek MS Regulation Number: 21 CFR 21 CFR 866.3378 Regulation Name: Clinical Mass Spectrometry Microorganism Identification and Differentiation System Regulatory Class: Class II Product Code: QBN Dated: May 29, 2018 Received: May 30, 2018 Dear Jennifer Jines: We have reviewed your Section 510(k) premarket notification of intent to market the device referenced above and have determined the device is substantially equivalent (for the indications for use stated in the enclosure) to legally marketed predicate devices marketed in interstate commerce prior to May 28, 1976, the enactment date of the Medical Device Amendments, or to devices that have been reclassified in accordance with the provisions of the Federal Food, Drug, and Cosmetic Act (Act) that do not require approval of a premarket approval application (PMA). You mav, therefore, market the device, subject to the general controls provisions of the Act. Although this letter refers to your product as a device, please be avare that some cleared products may instead be combination products. The 510(k) Premarket Notification Database located at https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfpmn/pmn.cfm identifies combination product submissions. The general controls provisions of the Act include requirements for annual registration, listing of devices, good manufacturing practice, labeling, and prohibitions against misbranding and adulteration. Please note: CDRH does not evaluate information related to contract liability warranties. We remind you, however, that device labeling must be truthful and not misleading. If your device is classified (see above) into either class II (Special Controls) or class III (PMA), it may be subject to additional controls. Existing major regulations affecting your device can be found in the Code of Federal Regulations, Title 21, Parts 800 to 898. In addition, FDA may publish further announcements concerning your device in the Federal Register. Please be advised that FDA's issuance of a substantial equivalence determination does not mean that FDA has made a determination that your device complies with other requirements of the Act or any Federal statutes and regulations administered by other Federal agencies. You must comply with all the Act's {1}------------------------------------------------ requirements, including, but not limited to: registration and listing (21 CFR Part 807): labeling (21 CFR Part 801 and Part 809); medical device reporting of medical device-related adverse events) (21 CFR 803) for devices or postmarketing safety reporting (21 CFR 4, Subpart B) for combination products (see https://www.fda.gov/CombinationProducts/GuidanceRegulatoryInformation/ucm597488.html; good manufacturing practice requirements as set forth in the quality systems (OS) regulation (21 CFR Part 820) for devices or current good manufacturing practices (21 CFR 4, Subpart A) for combination products; and, if applicable, the electronic product radiation control provisions (Sections 531-542 of the Act); 21 CFR 1000-1050. Also, please note the regulation entitled, "Misbranding by reference to premarket notification" (21 CFR Part 807.97). For questions regarding the reporting of adverse events under the MDR regulation (21 CFR Part 803), please go to http://www.fda.gov/MedicalDevices/Safety/ReportaProblem/default.htm. For comprehensive regulatory information about mediation-emitting products, including information about labeling regulations, please see Device Advice (https://www.fda.gov/MedicalDevices/DeviceRegulationandGuidance/) and CDRH Learn (http://www.fda.gov/Training/CDRHLearn). Additionally, you may contact the Division of Industry and Consumer Education (DICE) to ask a question about a specific regulatory topic. See the DICE website (http://www.fda.gov/DICE) for more information or contact DICE by email (DICE@fda.hhs.gov) or phone (1-800-638-2041 or 301-796-7100). Sincerely. # Uwe Scherf -S Uwe Scherf, M.Sc., Ph.D. Director Division of Microbiology Devices Office of In Vitro Diagnostics and Radiological Health Center for Devices and Radiological Health Enclosure {2}------------------------------------------------ #### DEPARTMENT OF HEALTH AND HUMAN SERVICES Food and Drug Administration ## Indications for Use 510(k) Number (if known) K181412 Device Name VITEK® MS Indications for Use (Describe) VITEK® MS is a mass spectrometry system using matrix-assisted laser desorption/ionization time of flight mass spectrometry (MALDI-TOF MS) for the identification of microorganisms cultured from human specimens. The VITEK® MS system is a qualitative in vitro diagnostic device indicated for use in conjunction with other clinical and laboratory findings to aid in the diagnosis of bacterial, yeast and mould infections. (See Attached for 'List of Claimed Organisms') Type of Use (Select one or both, as applicable) | X | Prescription Use (Part 21 CFR 801 Subpart D) | | | Over-The-Counter Use (21 CFR 801 Subpart C) ## CONTINUE ON A SEPARATE PAGE IF NEEDED. This section applies only to requirements of the Paperwork Reduction Act of 1995. #### *DO NOT SEND YOUR COMPLETED FORM TO THE PRA STAFF EMAIL ADDRESS BELOW.* The burden time for this collection of information is estimated to average 79 hours per response, including the time to review instructions, search existing data sources, gather and maintain the data needed and complete and review the collection of information. Send comments regarding this burden estimate or any other aspect of this information collection, including suggestions for reducing this burden, to: > Department of Health and Human Services Food and Drug Administration Office of Chief Information Officer Paperwork Reduction Act (PRA) Staff PRAStaff(@fda.hhs.gov "An agency may not conduct or sponsor, and a person is not required to respond to, a collection of information unless it displays a currently valid OMB number." {3}------------------------------------------------ ## Indications for Use Attachment ## Gram Negative / Positive Bacteria & Yeast Abiotrophia defectiva Achromobacter denitrificans Achromobacter xylosoxidans Acinetobacter baumannii Acinetobacter calcoaceticus Acinetobacter haemolyticus Acinetobacter johnsonii Acinetobacter junii Acinetobacter lwoffii Acinetobacter nosocomialis Acinetobacter pittii Actinomyces bovis Actinomvces israelii Actinomvces meveri Actinomyces naeslundii Actinomyces neuii Actinomyces odontolyticus Actinotignum schaalii Aerococcus viridans Aeromonas hydrophila Aeromonas jandaei Aeromonas punctata (caviae) Aeromonas sobria Aggregatibacter actinomycetemcomitans Aggregatibacter aphrophilus Aggregatibacter segnis Alcaligenes faecalis ssp faecalis Bacteroides caccae Bacteroides eggerthii Bacteroides fragilis Bacteroides ovatus / xylanisolvens Bacteroides pyogenes Bacteroides stercoris Bacteroides thetaiotaomicron Bacteroides uniformis Bacteroides vulgatus Bifidobacterium spp Bilophila wadsworthia Bordetella avium Bordetella bronchiseptica Bordetella parapertussis Bordetella pertussis Brevundimonas diminuta Brevundimonas vesicularis Brucella spp Burkholderia cenocepacia Burkholderia cepacia Burkholderia contaminans Burkholderia gladioli Burkholderia multivorans Burkholderia vietnamiensis Campylobacter coli Campvlobacter jejuni Campylobacter rectus Candida albicans Candida auris Candida dubliniensis Candida duobushaemulonii Candida famata Candida glabrata Candida guilliermondii Candida haemulonii Candida inconspicua Candida intermedia Candida kefyr Candida krusei Candida lambica Candida lipolytica Candida lusitaniae Candida metapsilosis Candida norvegensis Candida orthopsilosis Candida parapsilosis Candida pelliculosa Candida rugosa Candida tropicalis Candida utilis Candida zeylanoides Cedecea davisae Cedecea lapagei Cedecea neteri Chryseobacterium gleum Chryseobacterium indologenes Citrobacter amalonaticus Citrobacter braakii Citrobacter farmeri Citrobacter freundii Citrobacter koseri Citrobacter youngae Clostridium baratii Clostridium beijerinckii Clostridium butyricum Clostridium cadaveris {4}------------------------------------------------ Clostridium clostridioforme Clostridium difficile Clostridium innocuum Clostridium novvi Clostridium perfringens Clostridium ramosum Clostridium septicum Clostridium sporogenes Clostridium tertium Clostridium tetani Comamonas testosteroni Corynebacterium jeikeium Cronobacter muytjensii Cronobacter sakazakii Cronobacter turicensis Cryptococcus gattii Cryptococcus neoformans Curtobacterium flaccumfaciens Delftia acidovorans Edwardsiella hoshinae Edwardsiella tarda Eikenella corrodens Elizabethkingia anophelis Elizabethkingia meningoseptica Elizabethkingia miricola Enterobacter aerogenes Enterobacter asburiae Enterobacter cancerogenus Enterobacter cloacae Enterobacter hormaechei Enterobacter kobei Enterobacter ludwigii Enterococcus avium Enterococcus casseliflavus Enterococcus durans Enterococcus faecalis Enterococcus faecium Enterococcus gallinarum Enterococcus hirae Escherichia coli Escherichia fergusonii Escherichia hermannii Escherichia vulneris Ewingella americana Finegoldia magna Fusobacterium mortiferum Fusobacterium necrophorum Fusobacterium nucleatum Fusobacterium periodonticum Gardnerella vaginalis Gemella haemolysans Gemella morbillorum Granulicatella adiacens Haemophilus influenzae Haemophilus parahaemolyticus Haemophilus parainfluenzae Hafnia alvei Hathewaya histolytica Kingella denitrificans Kingella kingae Klebsiella oxytoca Klebsiella pneumoniae Klebsiella variicola Kluyvera ascorbata Kluyvera cryocrescens Kluyvera intermedia Kocuria rhizophila Kodamaea ohmeri Lactococcus garvieae Lactococcus lactis Leclercia adecarboxylata Legionella pneumophila Lelliottia amnigena Leuconostoc mesenteroides Leuconostoc pseudomesenteroides Listeria monocytogenes Malassezia furfur Malassezia pachydermatis Mannheimia haemolytica Micrococcus luteus Mobiluncus curtisii Moraxella catarrhalis Moraxella lacunata Moraxella nonliquefaciens Moraxella osloensis Morganella morganii Myroides spp Neisseria cinerea Neisseria gonorrhoeae Neisseria meningitidis Neisseria mucosa / sicca Ochrobactrum anthropi Oligella ureolytica Oligella urethralis Paeniclostridium sordellii Pantoea agglomerans Pantoea dispersa {5}------------------------------------------------ Paraclostridium bifermentans Parvimonas micra Pasteurella aerogenes Pasteurella multocida Pediococcus acidilactici Peptoniphilus asaccharolyticus Peptostreptococcus anaerobius Plesiomonas shigelloides Pluralibacter gergoviae Porphyromonas asaccharolytica / uenonis Porphyromonas gingivalis Prevotella bivia Prevotella buccae Prevotella denticola Prevotella intermedia Prevotella loescheii Prevotella melaninogenica Prevotella oralis Prevotella oris Propionibacterium acidipropionici Propionibacterium acnes Propionibacterium avidum Propionibacterium granulosum Propionibacterium propionicum Proteus mirabilis Proteus penneri Proteus vulgaris Providencia alcalifaciens Providencia rettgeri Providencia rustigianii Providencia stuartii Pseudomonas aeruginosa Pseudomonas alcaligenes Pseudomonas fluorescens Pseudomonas luteola Pseudomonas mendocina Pseudomonas oryzihabitans Pseudomonas putida Pseudomonas stutzeri Ralstonia pickettii Raoultella ornithinolytica Raoultella planticola Raoultella terrigena Rhizobium radiobacter Rhodotorula mucilaginosa Rothia mucilaginosa Saccharomyces cerevisiae Salmonella enterica ssp enterica Saprochaete capitata Serratia ficaria Serratia fonticola Serratia grimesii Serratia liquefaciens Serratia marcescens Serratia odorifera Serratia plymuthica Serratia proteamaculans Serratia quinivorans Serratia rubidaea Shewanella putrefaciens Sphingobacterium multivorum Sphingobacterium spiritivorum Sphingomonas paucimobilis Staphylococcus aureus Staphylococcus auricularis Staphylococcus capitis Staphylococcus chromogenes Staphylococcus cohnii ssp cohnii Staphylococcus cohnii ssp urealvticus Staphylococcus epidermidis Staphylococcus haemolyticus Staphylococcus hominis Staphylococcus hyicus Staphylococcus intermedius Staphylococcus kloosii Staphylococcus lentus Staphylococcus lugdunensis Staphylococcus pseudintermedius Staphylococcus saprophyticus Staphylococcus schleiferi Staphylococcus sciuri Staphylococcus simulans Staphylococcus warneri Staphylococcus xylosus Stenotrophomonas maltophilia Streptococcus agalactiae Streptococcus alactolyticus Streptococcus anginosus Streptococcus canis Streptococcus constellatus Streptococcus cristatus Streptococcus dysgalactiae ssp dysgalactiae Streptococcus dysgalactiae ssp equisimilis Streptococcus equi ssp equi Streptococcus equi ssp zooepidemicus Streptococcus equinus Streptococcus gallolyticus ssp gallolyticus Streptococcus gallolyticus ssp pasteurianus Streptococcus gordonii {6}------------------------------------------------ Streptococcus infantarius ssp coli (Str.lutetiensis) Streptococcus infantarius ssp infantarius Streptococcus intermedius Streptococcus mitis / Streptococcus oralis Streptococcus mutans Streptococcus parasanguinis Streptococcus pneumoniae Streptococcus pseudoporcinus Streptococcus pyogenes Streptococcus salivarius ssp salivarius Streptococcus sanguinis Streptococcus sobrinus Streptococcus suis Streptococcus uberis Streptococcus vestibularis Tannerella forsythia Veillonella dispar Vibrio alginolyticus Vibrio cholerae Vibrio fluvialis Vibrio metschnikovii Vibrio mimicus Vibrio parahaemolyticus Vibrio vulnificus Yersinia aldovae Yersinia enterocolitica Yersinia frederiksenii Yersinia intermedia Yersinia kristensenii Yersinia pseudotuberculosis Yersinia ruckeri ## Mycobacterium Mycobacterium abscessus Mycobacterium avium Mycobacterium chelonae Mycobacterium fortuitum group Mvcobacterium gordonae Mycobacterium haemophilum Mycobacterium immunogenum Mycobacterium intracellulare Mycobacterium kansasii Mycobacterium lentiflavum Mycobacterium malmoense Mycobacterium marinum Mycobacterium mucogenicum Mycobacterium scrofulaceum Mycobacterium simiae Mycobacterium smegmatis Mycobacterium szulgai Mycobacterium tuberculosis complex Mycobacterium xenopi ## Nocardia Nocardia abscessus Nocardia africana / nova Nocardia asteroides Nocardia brasiliensis Nocardia cvriacigeorgica Nocardia farcinica Nocardia otitidiscaviarum Nocardia paucivorans Nocardia pseudobrasiliensis Nocardia transvalensis Nocardia veterana Nocardia wallacei ## Mould Acremonium sclerotigenum Alternaria alternata Aspergillus brasiliensis Aspergillus calidoustus / ustus Aspergillus flavus / oryzae Aspergillus fumigatus Aspergillus lentulus Aspergillus nidulans Aspergillus niger complex Aspergillus sydowii Aspergillus terreus complex Aspergillus versicolor Blastomyces dermatitidis Cladophialophora bantiana Coccidioides immitis / posadasii Curvularia hawaiiensis Curvularia spicifera Epidermophyton floccosum Exophiala dermatitidis Exophiala xenobiotica Exserohilum rostratum Fusarium oxysporum complex Fusarium proliferatum Fusarium solani complex Histoplasma capsulatum Lecythophora hoffmannii Lichtheimia corymbifera Microsporum audouinii {7}------------------------------------------------ - Microsporum canis Microsporum gypseum Mucor racemosus complex Paecilomyces variotii complex Penicillium chrysogenum Pseudallescheria boydii Purpureocillium lilacinum Rasamsonia argillacea complex Rhizopus arrhizus complex Rhizopus microsporus complex Sarocladium kiliense Scedosporium apiospermum - Scedosporium prolificans Sporothrix schenckii complex Trichophyton interdigitale Trichophyton rubrum Trichophyton tonsurans Trichophyton verrucosum Trichophyton violaceum Trichosporon asahii Trichosporon dermatis / mucoides Trichosporon inkin {8}------------------------------------------------ ## 510(k) SUMMARY ## VITEK® MS ## A. 510(k) Number: K181412 B. Purpose for Submission: Update to the VITEK® MS clinical Knowledge Base v3.2.0 to add new indications for use to the previously cleared device K162950 and DEN130013 (K124067) ## C. Measurand: See Intended Use D. Type of Test: A mass spectrometer system for clinical use for the identification of microorganisms is a qualitative in vitro diagnostic device intended for the identification of microorganisms cultured from human specimens. The device is comprised of an ionization source, a mass analyzer and a spectral database. The device is indicated for use in conjunction with other clinical and laboratory findings to aid in the diagnosis of bacterial and fungal infections. ## E. Applicant: | Submitter's Name: | bioMérieux, Inc. on behalf of bioMérieux, SA | |----------------------|-----------------------------------------------------------------------------------| | Address: | bioMérieux SA<br>3 Route de Port Michaud.<br>La Balme les Grottes, 38390 (France) | | Contact Person: | Jennifer Jines<br>Regulatory Affairs Specialist | | Phone Number: | 314 -731-8352 | | Fax Number: | 314-731-8689 | | Date of Preparation: | May 18, 2018 | ## F. Proprietary and Established Names: | Formal/Trade Name: | VITEK® MS | |--------------------|---------------------| | Common Name: | VITEK® MS, VITEK MS | ## G. Regulatory Information: | 1. Regulation Section: | 21 CFR 866.3378 | |-------------------------|---------------------------------------------------------------------------------------| | 2. Classification Name: | Clinical mass spectrometry microorganism identification and<br>differentiation system | | 3. Product Code: | QBN | | 4. Panel: | Microbiology | ## H. Intended Use: - 1. Intended use(s): VITEK® MS is a mass spectrometry system using matrix-assisted laser desorption/ionization – time of flight mass spectrometry (MALDI-TOF MS) for the identification of microorganisms cultured from human specimens. The VITEK® MS is a qualitative in vitro diagnostic device indicated for use in conjunction with other clinical and laboratory findings to aid in the diagnosis of bacterial, yeast and mould infections. {9}------------------------------------------------ ## 2. Indication(s) for use: The following organisms are claimed: ## Gram Negative / Positive Bacteria & Yeast Abiotrophia defectiva Achromobacter denitrificans Achromobacter xylosoxidans Acinetobacter baumannii Acinetobacter calcoaceticus Acinetobacter haemolyticus Acinetobacter johnsonii Acinetobacter junii Acinetobacter lwoffii Acinetobacter nosocomialis Acinetobacter pittii Actinomyces bovis Actinomyces israelii Actinomyces meyeri Actinomyces naeslundii Actinomyces neuii Actinomyces odontolyticus Actinotignum schaalii Aerococcus viridans Aeromonas hydrophila Aeromonas jandaei Aeromonas punctata (caviae) Aeromonas sobria Aggregatibacter actinomycetemcomitans Aggregatibacter aphrophilus Aggregatibacter segnis Alcaligenes faecalis ssp faecalis Bacteroides caccae Bacteroides eggerthii Bacteroides fragilis Bacteroides ovatus / xylanisolvens Bacteroides pyogenes Bacteroides stercoris Bacteroides thetaiotaomicron Bacteroides uniformis Bacteroides vulgatus Bifidobacterium spp Bilophila wadsworthia Bordetella avium Bordetella bronchiseptica Bordetella parapertussis Bordetella pertussis Brevundimonas diminuta Brevundimonas vesicularis Brucella spp Burkholderia cenocepacia Burkholderia cepacia Burkholderia contaminans Burkholderia gladioli Burkholderia multivorans Burkholderia vietnamiensis Campylobacter coli Campylobacter jejuni Campylobacter rectus Candida albicans Candida auris Candida dubliniensis Candida duobushaemulonii Candida famata Candida glabrata Candida guilliermondii Candida haemulonii Candida inconspicua Candida intermedia Candida kefyr Candida krusei Candida lambica Candida lipolytica Candida lusitaniae Candida metapsilosis Candida norvegensis Candida orthopsilosis Candida parapsilosis Candida pelliculosa Candida rugosa Candida tropicalis Candida utilis Candida zeylanoides Cedecea davisae Cedecea lapagei Cedecea neteri Chryseobacterium gleum Chryseobacterium indologenes Citrobacter amalonaticus Citrobacter braakii Citrobacter farmeri Citrobacter freundii Citrobacter koseri Citrobacter youngae Clostridium baratii Clostridium beijerinckii Clostridium butyricum Clostridium cadaveris {10}------------------------------------------------ Clostridium clostridioforme Clostridium difficile Clostridium innocuum Clostridium novvi Clostridium perfringens Clostridium ramosum Clostridium septicum Clostridium sporogenes Clostridium tertium Clostridium tetani Comamonas testosteroni Corynebacterium jeikeium Cronobacter muytjensii Cronobacter sakazakii Cronobacter turicensis Cryptococcus gattii Cryptococcus neoformans Curtobacterium flaccumfaciens Delftia acidovorans Edwardsiella hoshinae Edwardsiella tarda Eikenella corrodens Elizabethkingia anophelis Elizabethkingia meningoseptica Elizabethkingia miricola Enterobacter aerogenes Enterobacter asburiae Enterobacter cancerogenus Enterobacter cloacae Enterobacter hormaechei Enterobacter kobei Enterobacter ludwigii Enterococcus avium Enterococcus casseliflavus Enterococcus durans Enterococcus faecalis Enterococcus faecium Enterococcus gallinarum Enterococcus hirae Escherichia coli Escherichia fergusonii Escherichia hermannii Escherichia vulneris Ewingella americana Finegoldia magna Fusobacterium mortiferum Fusobacterium necrophorum Fusobacterium nucleatum Fusobacterium periodonticum Gardnerella vaginalis Gemella haemolysans Gemella morbillorum Granulicatella adiacens Haemophilus influenzae Haemophilus parahaemolyticus Haemophilus parainfluenzae Hafnia alvei Hathewaya histolytica Kingella denitrificans Kingella kingae Klebsiella oxytoca Klebsiella pneumoniae Klebsiella variicola Kluyvera ascorbata Kluyvera cryocrescens Kluyvera intermedia Kocuria rhizophila Kodamaea ohmeri Lactococcus garvieae Lactococcus lactis Leclercia adecarboxylata Legionella pneumophila Lelliottia amnigena Leuconostoc mesenteroides Leuconostoc pseudomesenteroides Listeria monocytogenes Malassezia furfur Malassezia pachydermatis Mannheimia haemolytica Micrococcus luteus Mobiluncus curtisii Moraxella catarrhalis Moraxella lacunata Moraxella nonliquefaciens Moraxella osloensis Morganella morganii Myroides spp Neisseria cinerea Neisseria gonorrhoeae Neisseria meningitidis Neisseria mucosa / sicca Ochrobactrum anthropi Oligella ureolytica Oligella urethralis Paeniclostridium sordellii Pantoea agglomerans Pantoea dispersa {11}------------------------------------------------ Paraclostridium bifermentans Parvimonas micra Pasteurella aerogenes Pasteurella multocida Pediococcus acidilactici Peptoniphilus asaccharolyticus Peptostreptococcus anaerobius Plesiomonas shigelloides Pluralibacter gergoviae Porphyromonas asaccharolytica / uenonis Porphyromonas gingivalis Prevotella bivia Prevotella buccae Prevotella denticola Prevotella intermedia Prevotella loescheii Prevotella melaninogenica Prevotella oralis Prevotella oris Propionibacterium acidipropionici Propionibacterium acnes Propionibacterium avidum Propionibacterium granulosum Propionibacterium propionicum Proteus mirabilis Proteus penneri Proteus vulgaris Providencia alcalifaciens Providencia rettgeri Providencia rustigianii Providencia stuartii Pseudomonas aeruginosa Pseudomonas alcaligenes Pseudomonas fluorescens Pseudomonas luteola Pseudomonas mendocina Pseudomonas oryzihabitans Pseudomonas putida Pseudomonas stutzeri Ralstonia pickettii Raoultella ornithinolytica Raoultella planticola Raoultella terrigena Rhizobium radiobacter Rhodotorula mucilaginosa Rothia mucilaginosa Saccharomyces cerevisiae Salmonella enterica ssp enterica Saprochaete capitata Serratia ficaria Serratia fonticola Serratia grimesii Serratia liquefaciens Serratia marcescens Serratia odorifera Serratia plymuthica Serratia proteamaculans Serratia quinivorans Serratia rubidaea Shewanella putrefaciens Sphingobacterium multivorum Sphingobacterium spiritivorum Sphingomonas paucimobilis Staphylococcus aureus Staphylococcus auricularis Staphylococcus capitis Staphylococcus chromogenes Staphylococcus cohnii ssp cohnii Staphylococcus cohnii ssp urealyticus Staphylococcus epidermidis Staphylococcus haemolyticus Staphylococcus hominis Staphylococcus hyicus Staphylococcus intermedius Staphylococcus kloosii Staphylococcus lentus Staphylococcus lugdunensis Staphylococcus pseudintermedius Staphylococcus saprophyticus Staphylococcus schleiferi Staphylococcus sciuri Staphylococcus simulans Staphylococcus warneri Staphylococcus xylosus Stenotrophomonas maltophilia Streptococcus agalactiae Streptococcus alactolyticus Streptococcus anginosus Streptococcus canis Streptococcus constellatus Streptococcus cristatus Streptococcus dysgalactiae ssp dysgalactiae Streptococcus dysgalactiae ssp equisimilis Streptococcus equi ssp equi Streptococcus equi ssp zooepidemicus Streptococcus equinus Streptococcus gallolyticus ssp gallolyticus Streptococcus gallolyticus ssp pasteurianus Streptococcus gordonii {12}------------------------------------------------ Streptococcus infantarius ssp coli (Str.lutetiensis) Streptococcus infantarius ssp infantarius Streptococcus intermedius Streptococcus mitis / Streptococcus oralis Streptococcus mutans Streptococcus parasanguinis Streptococcus pneumoniae Streptococcus pseudoporcinus Streptococcus pyogenes Streptococcus salivarius ssp salivarius Streptococcus sanguinis Streptococcus sobrinus Streptococcus suis Streptococcus uberis Streptococcus vestibularis Tannerella forsythia Veillonella dispar Vibrio alginolyticus Vibrio cholerae Vibrio fluvialis Vibrio metschnikovii Vibrio mimicus Vibrio parahaemolyticus Vibrio vulnificus Yersinia aldovae Yersinia enterocolitica Yersinia frederiksenii Yersinia intermedia Yersinia kristensenii Yersinia pseudotuberculosis Yersinia ruckeri ## Mycobacterium Mycobacterium abscessus Mycobacterium avium Mycobacterium chelonae Mycobacterium fortuitum group Mycobacterium gordonae Mycobacterium haemophilum Mycobacterium immunogenum Mycobacterium intracellulare Mycobacterium kansasii Mycobacterium lentiflavum Mycobacterium malmoense Mycobacterium marinum Mycobacterium mucogenicum Mycobacterium scrofulaceum Mycobacterium simiae Mycobacterium smegmatis Mycobacterium szulgai Mycobacterium tuberculosis complex Mycobacterium xenopi ## Nocardia - Nocardia abscessus Nocardia africana / nova Nocardia asteroides Nocardia brasiliensis Nocardia cyriacigeorgica Nocardia farcinica Nocardia otitidiscaviarum Nocardia paucivorans Nocardia pseudobrasiliensis Nocardia transvalensis Nocardia veterana Nocardia wallacei # Mould Acremonium sclerotigenum Alternaria alternata Aspergillus brasiliensis Aspergillus calidoustus / ustus Aspergillus flavus / oryzae Aspergillus fumigatus Aspergillus lentulus Aspergillus nidulans Aspergillus niger complex Aspergillus sydowii Aspergillus terreus complex Aspergillus versicolor Blastomyces dermatitidis Cladophialophora bantiana Coccidioides immitis / posadasii Curvularia hawaiiensis Curvularia spicifera Epidermophyton floccosum Exophiala dermatitidis Exophiala xenobiotica Exserohilum rostratum Fusarium oxysporum complex Fusarium proliferatum Fusarium solani complex Histoplasma capsulatum Lecythophora hoffmannii Lichtheimia corymbifera Microsporum audouinii {13}------------------------------------------------ - Microsporum canis Microsporum gypseum Mucor racemosus complex Paecilomyces variotii complex Penicillium chrysogenum Pseudallescheria boydii Purpureocillium lilacinum Rasamsonia argillacea complex Rhizopus arrhizus complex Rhizopus microsporus complex Sarocladium kiliense Scedosporium apiospermum Scedosporium prolificans Sporothrix schenckii complex Trichophyton interdigitale Trichophyton rubrum Trichophyton tonsurans Trichophyton verrucosum Trichophyton violaceum Trichosporon asahii Trichosporon dermatis / mucoides Trichosporon inkin {14}------------------------------------------------ Image /page/14/Picture/1 description: The image shows the logo for bioMerieux. The logo is a blue circle with the word "BIOMERIEUX" in white letters. The bottom half of the circle is green and yellow. ## 3. Special conditions for use statement(s): The VITEK MS is for prescription use only in accordance with 21 CFR 801.109 #### 4. Special instrument requirements: VITEK® MS: Shimadzu AXIMA® Assurance mass spectrometer VITEK® MS Prep Station VITEK® MS-DS Target Slides Reagents: VITEK® MS-CHCA (Alpha-cyano-4-hydroxy-cinnamic acid) solution VITEK® MS-FA (Formic acid) reagent VITEK® MS MYCOBACTERIUM/NOCARDIA KIT VITEK® MS LIQUID MYCO SUPPLEMENTAL KIT VITEK® MS MOULD KIT Database: VITEK® MS v3.2.0 Knowledge Base (KB) Software: VITEK® MS Sample Prep Station software VITEK® MS Acquisition Station VITEK® MS Analysis Server / Software VITEK® MS Computation Engine Myla® Middleware ### I. Device Description: The VITEK® MS v3.0 system is a system consisting of kit reagents (VITEK® MS-CHCA, VITEK® MS-FA, VITEK® MS Mycobacterium/Nocardia Kit, VITEK® MS Mould Kit), VITEK® MS-DS target slides, 17, 11 Er 115 Myobbaterialines and the VTEEN MO Modia Rith, The US Criginal equipment VITEK® MS Prep Station, Knowledge Base v3.2.0, software, and the VITEK" MS (original eq Reagent Description: VITEK® MS-CHCA (Alpha-cyano-4-hydroxy-cinnamic acid) is the solution that serves as a matrix which will crystalize with the microbial sample on the target slide spot. 1.0 µl of the matrix is added to the spot with the sample and allowed to dry forming crystals. The VITEK® MS-FA (Formic acid) reagent is used to pre-treat yeast in order to extract protein before the VITEK MS-CHCA matrix is added to the spot containing the sample. VITEK® MS-DS target slides are single-use disposables which contain 3 acquisition groups of 16 sample spots. Each group includes 1 calibration spot. Target slides are for single use only. VITEK® MS MYCOBACTERIUM/NOCARDIA KIT includes ethanol and vials with glass beads to inactivate mycobacteria and nocardia by disrupting the cells. The kit also includes formic acid and acetonitrile to complete the extraction of proteins. VITEK® MS LIQUID MYCO SUPPLEMENTAL KIT includes the additional consumables (i.e., 5 mL conical bottom tubes and safety backed absorbent pads) needed to process samples for mycobacterium with liquid media. {15}------------------------------------------------ Image /page/15/Picture/1 description: The image contains the logo for bioMérieux. The logo consists of the company name in white text on a blue background. Below the blue section is a yellow and green gradient. VITEK® MS MOULD KIT provides ethanol, formic acid and acetonitrile to inactivate moulds and extract their proteins. ## Knowledge Base: The reference database for the VITEK® MS system includes data representing 1316 species and 1158 taxa displayed. VITEK® MS Knowledge Base v3.2.0 includes 1095 species of bacteria (863 single species and 77 groups including 232 species of fungi (195 single species and 12 groups including 26 species). Additional laboratory tests as determined by Microbiology laboratory protocols for low discrimination results or non-clinically validated organisms are necessary for the completion of the organism identification. Non-clinically validated organisms are displayed as (@ in the report. Testing of non-clinically validated species or species not found in the database may result in an unidentified result or a misidentification. Note: Interpretation of results and use of the VITEK® MS system require a competent laboratorian who should judiciously make use of experience, specimen information, and other pertinent procedures before reporting the identification of test organisms. Additional information known to the user, such as Gram stain reaction, colonial and cellular morphology, and growth aerobically or in CO2 should be considered when accepting VITEK® MS results. ## Software: The VITEK® MS system consists of a suite of applications that perform the overall system function. The system functions as a kiosk, not allowing the end-user to access any operating system functions. The end-user cannot access the native operating system configuration panels. The software application contains several processes that include handling all network activity, communication, and synchronization with the all the components. The VITEK® MS system software is comprised of four software components and MYLA middleware. - VITEK® MS Sample Prep Station software: The VITEK MS Prep Station is used to prepare 1. VITEK® MS-DS target slides. It consists of a computer workstation equipped with a barcode reader, Touch Screen and Virtual Keyboard. - VITEK® MS acquisition station: The Acquisition Station Software controls the VITEK MS to 2. acquire spectral data from each sample in turn and displays the spectra for the operator to review. The Acquisition Station displays the spectra and peak lists and transfers the peak lists to the VITEK MS Analysis Server. - VITEK® MS Analysis Server / Software: The VITEK MS Analysis Server is the software that 3. manages the VITEK MS workflow and computes VITEK MS identification results. It is a software component that resides on the Myla Server (PC). - VITEK® MS Computation Engine: The VITEK MS analysis server sends to the computation 4. enqine that calculates the identification results. The algorithms and mapping files required for identification are contained within the computation engine. - 5. Myla® Middeware: Myla is a computer application ("Middleware"), based on Web technology, which allows data related to the laboratory workflow, laboratory instruments, Laboratory Information System (LIS), analysis results, etc. to be grouped together. Myla® interfaces between the bioMérieux instruments connected to the application (e.g., VITEK MS) and the Laboratory Information System (LIS). Myla® is the user interface for the review and approval of the VITEK® MS identification results. ## VITEK® MS: bioMérieux's VITEK® MS. is the same instrument as the Shimadzu Axima Assurance MALDI TOF spectrometer. The VITEK MS is manufactured for bioMérieux by Kratos Analytical (a Shimadzu subsidiary) in Manchester, UK. The VITEK MS contains a Class 1 laser product containing a Class 3b invisible-light laser. The laser is a 337 nm nitrogen laser, fixed focus. This speed depends on the mass of the ions with heavier molecules having a higher moment {16}------------------------------------------------ Image /page/16/Picture/1 description: The image shows the logo for bioMérieux, a French multinational biotechnology company. The logo features the company name in bold, white letters against a dark blue background. Below the blue rectangle is a gradient of yellow and green. of inertia resulting in a lower velocity. The time of transit is measured precisely by the ions' arrival at a particle detector. Based on the time of flight, the m/z ratio of each particle can be determined, and a mass spectrum of the sample mixture is generated. The recorded signal is processed by the Acquisition Station software and presented as a spectrum of intensity versus mass in Daltons (Da). ## J. Substantial Equivalence Information: - 1. Predicate Device Name: MALDI Biotyper CA System - 2. Predicate Device De Novo Submission Number: DEN170081 - 3. Comparison with predicate: | Similarities | | | |------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | Characteristic | New Device<br>VITEK® MS v3 / KB v3.2.0 | Predicate Device<br>MALDI Biotyper CA System<br>(DEN170081) | | Classification | Classification Name: Mass<br>Spectrometry, Maldi Tof,<br>Microorganism Identification,<br>Cultured isolates<br>Regulation Number: 21 CFR<br>866.3378 | Classification Name: Mass<br>Spectrometry, Maldi Tof,<br>Microorganism Identification,<br>Cultured isolates<br>Regulation Number: 21 CFR<br>866.3378 | | Product Code | QBN | QBN | | Intended Use | VITEK® MS is a mass<br>spectrometry system using matrix-<br>assisted laser desorption/<br>ionization - time of flight mass<br>spectrometry (MALDI-TOF MS) for<br>the identification of<br>microorganisms cultured from<br>human specimens.<br>The VITEK® MS is a qualitative <i>in</i><br><i>vitro</i> diagnostic device indicated<br>for use in conjunction with other<br>clinical and laboratory findings to<br>aid in the diagnosis of bacterial,<br>yeast and mould infections. | The MALDI Biotyper CA System is a<br>mass spectrometer system using<br>matrix-assisted laser desorption/<br>ionization - time of flight (MALDI-<br>TOF) for the identification and<br>differentiation of microorganisms<br>cultured from human specimens.<br>The MALDI Biotyper CA System is a<br>qualitative <i>in vitro</i> diagnostic device<br>indicated for use in conjunction with<br>other clinical and laboratory findings<br>to aid in the diagnosis of bacterial<br>and fungal infections | | Sample Type | Isolated colony from a patient<br>sample source, from media<br>including:<br>- BacT/ALERT® MP (liquid<br>culture media bottle)<br>- Brucella agar base<br>- Buffered charcoal yeast<br>extract<br>- Campylosel agar<br>- Chocolate polyvitex agar<br>- chromID CPS<br>- Coletsos | Isolated colony from any patient<br>sample source.<br>Acceptable media:<br>-Columbia blood agar with 5%<br>sheep blood (Gram-negative<br>bacteria)<br>-Columbia CNA agar with 5%<br>sheep blood (Gram-positive<br>bacteria)<br>-Trypticase soy agar with 5%<br>sheep blood (Gram-negative | | | | | | | - Columbia blood agar with<br>5% sheep blood<br>- Lowenstein-Jensen<br>- MacConkey agar<br>- MGITTM (liquid culture<br>media bottle)<br>- Middlebrook 7H10 agar<br>- Middlebrook 7H11 agar<br>- Modified Sabouraud<br>dextrose agar (glucose:<br>20 g/l - pH: 6.1)<br>- Potato dextrose agar<br>- Sabouraud dextrose agar<br>(glucose: 40 g/l - pH: 5.6)<br>- Sabouraud dextrose agar<br>with Gentamicin &<br>Chloramphenicol<br>- Trypticase soy agar<br>- Trypticase soy agar with<br>5% sheep blood<br>- Trypticase soy agar with<br>neutralizers<br>- BacT/ALERT® MP<br>- Campylosel agar<br>- chromID CPS<br>- Coletsos<br>- Lowenstein-Jensen*<br>- MGITTM*<br>- Middlebrook 7H10 agar*<br>- Middlebrook 7H11 agar*<br>- Modified Sabouraud<br>dextrose agar (glucose:<br>20 g/l - pH: 6.1)<br>- Potato dextrose agar<br>- Sabouraud dextrose agar<br>with Gentamicin &<br>Chloramphenicol<br>- Trypticase soy agar with<br>neutralizers<br>* Non-bioMérieux media<br>Note: Some media are different<br>than the media for the predicate<br>device. | - bacteria, Gram-positive<br>bacteria, yeasts)<br>- Chocolate agar (Gram-negative<br>bacteria, Gram-positive<br>bacteria)<br>- MacConkey Agar (Gram-<br>negative bacteria)<br>- Brucella Agar with 5% horse<br>blood (Gram-negative anaerobic<br>bacteria, Gram-positive<br>anaerobic bacteria)<br>- Sabouraud-Dextrose Agar<br>(Yeasts)<br>- CDC anaerobe Agar with 5%<br>sheep blood (Gram-negative<br>anaerobic bacteria, Gram-<br>positive anaerobic bacteria)<br>- CDC anaerobe 5% sheep<br>blood Agar with phenylethyl<br>alcohol (Gram-negative<br>anaerobic bacteria, Gram-<br>positive anaerobic bacteria)<br>- CDC anaerobe laked sheep<br>blood Agar with kanamycin and<br>vancomycin (Gram-negative<br>anaerobic bacilli)<br>- Bacteroides bile esculin Agar<br>with amikacin (Bacteroides<br>species)<br>- Clostridium difficile Agar with<br>7% sheep blood (Clostridium<br>difficile)<br>- Brain Heart Infusion Agar<br>(Yeasts)<br>- Campylobacter Agar with 5<br>Antimicrobics and 10% Sheep<br>Blood (Campylobacter species)<br>- Bordet Gengou Agar with 15%<br>sheep blood (Bordetella<br>species) | | Type of Test | Automated Mass Spectrometry<br>System | Automated Mass Spectrometry<br>System | | Matrix | alpha-cyano-4-hydroxy-cinnamic<br>acid | alpha-cyano-4-hydroxy-cinnamic<br>acid | | Method of Testing | The sample prep for bacteria and<br>yeast is direct testing from isolated<br>colonies. Inactivation of the<br>sample occurs during the addition<br>of the CHCA Matrix.<br>For sample prep of Mycobacteria,<br>Nocardia and mould, an<br>inactivation and extraction process<br>is required prior to spotting the<br>sample to the VITEK® MS-DS<br>Target Slide. | Bacteria & Yeast: Direct testing<br>If after initial analysis the log(score)<br>is reported at <2.00, organisms may<br>be processed using the Extraction<br>(Ext) procedure or extended Direct<br>Transfer (eDT, 70% aqueous formic<br>acid). If eDT method still yields<br>log(score) <2.0, organism may be<br>processed via Ext procedure. | | | | | | Result Reporting | For <i>Brucella</i> sample prep, an<br>inactivation process is required<br>prior to spotting the sample to the<br>VITEK® MS-DS Target Slide. | Organism identification is reported<br>with high confidence if the<br>log(score) is >2.0. An organism<br>identification is reported with low<br>confidence if the log(score) is<br>between 1.70 and <2.00. | | | To detect microbial growth, the<br>VITEK MS System uses a<br>knowledge base developed from<br>spectra of a number of microbial<br>species. The resulting spectra<br>from the VITEK MS / Acquisition<br>Station are evaluated against this<br>knowledge.<br><br>Identification are displayed, with a<br>confidence value when an<br>organism or organism group is<br>identified. Low-discrimination<br>identifications are displayed when<br>more than one, but not more than<br>four identifications, are made.<br>When more than four<br>identifications are made, or when<br>no match is found, the organism is<br>considered unidentified.<br><br>Data analysis is performed using<br>software embedded on the MYLA®<br>Server. | | | | | | | Algorithm | An algorithm process known as<br>"mass binning" is used for the<br>differentiation of the species<br>included in the knowledge base. | Calculates matches by comparing a<br>new spectrum<br>against each single reference entry<br>of a reference database. | | Recorded Mass<br>Range | 2,000 - 20,000 m/z | 2,000 - 20,000 m/z | | Laser | Class 1 Laser Product - 337 nm<br>fixed focus, nitrogen laser | Class 1 Laser product (class 4 with<br>safety cover opened) - 337 nm fixed<br>focus, nitrogen laser | {17}------------------------------------------------ Image /page/17/Picture/1 description: The image shows the logo for biomérieux. The logo is set on a blue background. The text "BIOMÉRIEUX" is written in white, sans-serif font. {18}------------------------------------------------ Image /page/18/Picture/1 description: The image shows the logo for biomérieux. The logo is in a blue box with the word "BIOMERIEUX" in white letters. The letters are in a sans-serif font and are all capitalized. | Differences | | | |------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | Characteristic | New Device<br>VITEK® MS v3 / KB v3.2.0 | Predicate Device<br>MALDI Biotyper CA System<br>(DEN170081) | | Knowledge Base<br>and Indications<br>for Use | VITEK® MS v3.2 Knowledge Base | MALDI Biotyper Reference Library<br>for Clinical Applications (MBT-CA) | | MALDI-TOF MS<br>instrument | Shimadzu AXIMA® Assurance MS | Bruker microflex LT/SH (benchtop)<br>Bruker microflex LT/SH smart<br>(benchtop) | | System<br>Components,<br>Software,<br>Reagents | The VITEK® MS system consists of a<br>number of components,<br>- a Prep Station<br>- the MS Instrument<br>- an Acquisition Station<br>- software/middleware solutions<br>including, | The MBT-CA System consists of<br>the microflex LT/SH mass<br>spectrometer, reference library, kit<br>reagents, US IVD 48 Spot Target<br>or MBT Biotarget 96 US IVD plate,<br>and software.<br>Software: | {19}------------------------------------------------ BIOMÉRIEUX | | Acquisition Station Software, an Analysis Server, a Computation Engine, MY…
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