INFISTITCH FOR I5 DIGITAL X-RAY IMAGING SYSTEM, MODEL I5
Applicant
Infimed, Inc.
Product Code
OWB · Radiology
Decision Date
Jul 23, 2010
Decision
SESE
Submission Type
Special
Regulation
21 CFR 892.1650
Device Class
Class 2
Indications for Use
The InfiMed i5m Digital X-ray Imaging System is a high resolution digital imaging system intended to replace conventional film techniques, or existing digital systems, in multipurpose or dedicated applications specified below. The i5m Digital X-ray Imaging System enables an operator to acquire, display, process, export images to portable media, send images over a network for long term storage and distribute hardcopy images with a laser printer. Image processing algorithms enable the operator to bring out diagnostic details difficult to see using conventional imaging techniques. Images can be stored locally for temporary storage. The i2m Digital X-ray Imaging System has the ability to interface with a variety of image receptors from CCD cameras to commercially available flat panel detectors. The major system components include an image receptor, computer, monitor and imaging software. For the DR application, the InfiMed i500 Digital X-ray Imaging System is intended for use in general radiographic examinations and applications (excluding fluoroscopy, angiography, and mammography). For the RF/DSA application, the InfiMed if TM Digital X-ray Imaging System is intended for use where general fluoroscopy, interventional fluoroscopy or angiography imaging procedures are performed.
Device Story
InfiStitch for i5 Digital X-ray Imaging System is an optional software feature for the i5 Digital X-ray Imaging System. It allows operators to acquire sequential radiographic images and electronically join them to create a single composite electronic image. The system accepts inputs from various X-ray receptors, including CCD cameras and flat panel detectors (e.g., Trixell, Varian, Carestream, Samsung, Toshiba). The system consists of an image receptor, computer, monitor, and imaging software. It is used by clinicians in clinical settings to acquire, process, display, and export images. The stitching feature assists in creating a single view from multiple exposures, aiding diagnostic visualization. The system supports network storage and hardcopy printing.
Clinical Evidence
No clinical data provided. Substantial equivalence is supported by non-clinical verification and validation testing performed in accordance with established protocols and FDA guidance for solid-state X-ray imaging devices.
Technological Characteristics
Digital X-ray imaging system comprising image receptor, computer, monitor, and software. Interfaces with various CCD and flat panel detectors. Features image stitching software for joining sequential radiographic images. Connectivity via network for storage and export. Operates as a digital imaging platform for general radiography, fluoroscopy, and angiography.
Indications for Use
Indicated for general radiographic examinations (excluding mammography) and general fluoroscopy, interventional fluoroscopy, or angiography procedures. Intended for use in multipurpose or dedicated clinical applications as a replacement for conventional film or existing digital systems.
Regulatory Classification
Identification
An image-intensified fluoroscopic x-ray system is a device intended to visualize anatomical structures by converting a pattern of x-radiation into a visible image through electronic amplification. This generic type of device may include signal analysis and display equipment, patient and equipment supports, component parts, and accessories.
Special Controls
*Classification.* Class II (special controls). An anthrogram tray or radiology dental tray intended for use with an image-intensified fluoroscopic x-ray system only is exempt from the premarket notification procedures in subpart E of part 807 of this chapter subject to the limitations in § 892.9. In addition, when intended as an accessory to the device described in paragraph (a) of this section, the fluoroscopic compression device is exempt from the premarket notification procedures in subpart E of part 807 of this chapter subject to the limitations in § 892.9.
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Image /page/0/Picture/0 description: The image shows the word "INFIMED" in bold, black letters. To the left of the word is a black, geometric shape that resembles a stylized diamond or square with curved lines. The font of the word is sans-serif, and the letters are closely spaced together. The overall impression is a logo or branding element for a company or product named Infimed.
# Section 3: 510(k) Summary
Date Prepared:
6/30/10
Contact Person:
Catherine Mulcahy Quality Assurance Manager
Telephone: Fax:
315-453-4545 x288 315-453-4550
Submitter Name:
InfiMed. Inc. 121 Metropolitan Drive Liverpool, NY 13088
Device Trade Name:
·InfiStitch for i5™ Digital X-ray Imaging System
Common Name:
Digital X-ray Imaging System
Classification Name(s): InfiStitch for i5m4 Digital X-ray Imaging System
Product Codes: JAA, MQB, oWB
101833
JUL 2 8 2010
(
Predicate Device: iSTM Digital X-ray Imaging System
510(k) Number: K093066
Product Codes: JAA. MOB
## Device Description:
The InfiMed i m Digital X-ray Imaging System is a high resolution digital imaging system designed for digital X-ray imaging through the use of an X-ray detector. The InfiMed i-1 Digital X-ray Imaging System is designed to support general radiography (excluding mammography), fluoroscopy, interventional fluoroscopy or angiography imaging procedures through a single common imaging platforms.
The modified InfiMed if me Digital X-ray Imaging System consists of an X-ray imaging receptor (any of the following: CCD Camera, Trixell Pixium 3543, Trixell Pixium 4600, Varian PaxScan 4336R, Varian PaxScan 4343R, Carestream Health Detector, Samsung LTX240AA01-A, Toshiba FDX 4343R), computer, monitor, and the digital i maging system. The InfiStitch for i-m Digital X-ray Imaging System is an option which allows the operator to generate sequential radiographic images and electronically jointhum to create a single electronic image. This feature will be available for any InfiMed customer utilizing the i-The Digital X-ray Imaging System DR application on any flat parel detector.
#### Intended Use:
The InfiMed i5m Digital X-ray Imaging System is a high resolution digital imaging system intended to replace conventional film techniques, or existing digital systems, in
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multipurpose or dedicated applications specified below. The i5m Digital X-ray Imaging System enables an operator to acquire, display, process, export images to portable media, send images over a network for long term storage and distribute hardcopy images with a laser printer. Image processing algorithms enable the operator to bring out diagnostic details difficult to see using conventional imaging techniques. Images can be stored locally for temporary storage. The i2m Digital X-ray Imaging System has the ability to interface with a variety of image receptors from CCD cameras to commercially available flat panel detectors. The major system components include an image receptor, computer, monitor and imaging software.
For the DR application, the InfiMed i500 Digital X-ray Imaging System is intended for use in general radiographic examinations and applications (excluding fluoroscopy, angiography, and mammography).
For the RF/DSA application, the InfiMed if TM Digital X-ray Imaging System is intended for use where general fluoroscopy, interventional fluoroscopy or angiography imaging procedures are performed.
## Technological Characteristics Comparison:
The modified device supports the same modalities as the predicate device with the same components or imaging concepts, and delivers equivalent or better image quality as the predicate device. The comparison chart reveals that functions performed by the predicate device are performed by the modified if TM Digital X-ray Imaging System. The modified device, InfiStitch for if Digital X-ray Imaging System, also has the ability to interface with an additional image receptor, Toshiba FDX4343R. Therefore, the modified device is substantially equivalent to the predicate device.
### Non-clinical Tests Discussion:
Validation was completed in accordance with the Validation Protocols included with this submission. Protocols were designed, executed and documented according to the Design Validation process with predetermined test methods and corresponding acceptance criteria. In conclusion, all release criteria have been met and the modified i-m Digital Xray Imaging System is as safe and effective as the predicate device.
### Clinical Tests Discussion:
Clinical Data submitted is consistent with FDA guidance document "Guidance for Industry and/or for FDA Reviewers/Staff and/or Compliance: Guidance for the Submission of 510(k)'s for Solid State X-ray Imaging Devices" available at the website http://www.fda.gov/downloads/McdicalDevices/DeviceRegulationandGuidance/Guidanc eDocuments/ucm073781.pdf.
#### Conclusion:
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Based upon the results of Verification and Validation testing, the InfiMed InfiStitch for if TM Digital X-ray Imaging System has no new indications for use, has no simificant technological differences, and is as safe and effective as, and therefore substantially equivalent to the above listed current legally marketed predicate device.
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Public Health Service
Food and Drug Administration 10903 New Hampshire Avenue Document Control Room - WO66-G609 Silver Spring, MD 20993-0002
InfiMed, Inc. % Mr. Jigar Shah Consultant mdi Consultants, Inc. 55 Northern Blvd., Suite 200 GREAT NECK NY 11021
JUL 30 2012
Re: K101833
Trade/Device Name: InfiStitch for iSTM Digital X-ray Imaging System Regulation Number: 21 CFR 892.1650 Regulation Name: Image-intensified fluoroscopic x-ray system Regulatory Class: II Product Code: OWB, JAA, and MQB Dated: June 30, 2010 Received: July 1, 2010
Dear Mr. Shah:
This letter corrects our substantially equivalent letter of July 23, 2010.
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. Drue, and Cosmetic Act (Act) that do not require approval of a premarket approval application (PMA). You may, therefore, market the device, subject to the general controls provisions of the Act. 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.
If your device is classified (see above) into class II (Special Controls), it may be subject to such additional controls. Existing major regulations affecting your device can be found in Title 21. Code of Federal Regulations (CFR), Parts 800 to 895. 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 requirements, including, but not limited to: registration and listing (21 CFR Part 807); labeling (21 CFR Parts 801 and 809); medical device reporting of
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medical device-related adverse events) (21 CFR 803); and good manufacturing practice requirements as set forth in the quality systems (QS) regulation (21 CFR Part 820). This letter will allow you to begin marketing your device as described in your Section 510(k) premarket notification. The FDA finding of substantial equivalence of your device to a legally marketed predicate device results in a classification for your device and thus, permits your device to proceed to the market.
If you desire specific advice for your device on our labeling regulation (21 CFR Parts 801 and 809), please contact the Office of In Vitro Diagnostic Device Evaluation and Safety at (301) 796-5450. 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 the CDRH's Office of Surveillance and Biometrics/Division of Postmarket Surveillance.
You may obtain other general information on your responsibilities under the Act from the Division of Small Manufacturers, International and Consumer Assistance at its toll-free number (800) 638-2041 or (301) 796-7100 or at its Internet address http://www.fda.gov/cdrh/industry/support/index.html.
Sincerely Yours,
Janine M. Morris
Acting Director Division of Radiological Devices Office of In Vitro Diagnostic Device Evaluation and Safety Center for Devices and Radiological Health
Enclosure
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## Section 2: Indications for Use
K101833 510(k) Number (if known):
Device Name: InfiStitch for i5m Digital X-ray Imaging System
### Indications for Use:
The InfiMed if TM Digital X-ray Imaging System is a high resolution digital imaging system intended to replace conventional film techniques, or existing digital systems, in multipurpose or dedicated applications specified below. The i5m Digital X-ray Imaging System enables an operator to acquire, display, process, export images to portable media, send images over a network for long term storage and distribute hardcopy images with a laser printer. Image processing algorithms enable the operator to bring out diagnostic details difficult to see using conventional imaging techniques. Images can be stored locally for temporary storage. The i2m Digital X-ray Imaging System has the ability to interface with a variety of image receptors from CCD cameras to commercially available flat panel detectors. The major system components include an image receptor, computer, monitor and imaging software.
For the DR application, the InfiMed i-714 Digital X-ray Imaging System is intended for use in general radiographic examinations and applications (excluding fluoroscopy, angiography, and mammography).
For the RF/DSA application, the InfiMed if TM Digital X-ray Imaging System is intended for use where general fluoroscopy, interventional fluoroscopy or angiography imaging procedures are performed.
Prescription Use \ (Part 21 CFR 801 Subpart D)
AND/OR
Over-The-Counter Use (21 CFR 807 Subpart C)
(PLEASE DO NOT WRITE BELOW THIS LINE-CONTINUE ON ANOTHER PAGE IF NEEDED)
| Concurrence of CDRH, Office of Device Evaluation (ODE) | OIVD |
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| | |
| | |
| (Division Sign-Off) | |
| Division of Radiological Devices | |
| Office of In Vitro Diagnostic Device Evaluation and Safety | |
| 610K. | K101833 |
Two short videos show you everything — or skip straight to the written tutorial if you'd rather read. You can reopen this any time from the Tutorial button in the top bar.
Part 1 — Search, results, and everyday workflows 16 min
Part 2 — Embeddings: the galaxy map 3 min
1. Search: exact and fuzzy
Type a phrase like "coronary artery calcification" into the search box. You get two kinds of results. Exact results match the literal phrase — prefix searches work ("coronary artery calcificati") but suffix searches do not. Fuzzy results match on the meaning and intent of your phrase rather than the exact words, and are sorted by relevance score. Hover over the Exact or Fuzzy badge on any row to see exactly why it matched.
Use the checkboxes above the results to narrow: SaMD keeps only software-only devices, AI / ML keeps only devices with AI.
Exact vs. fuzzy search: what's the difference?
Exact matches on the literal phrase (prefix search works, suffix does not). Fuzzy matches on the meaning and intent of the phrase rather than the exact words. Hover over the badge on any row to see why it matched.
You search "coronary artery calcification" and want only software devices with AI. What two filters do you apply?
Narrow by SaMD (software-only devices), then narrow by AI/ML (devices with AI).
2. The results table
Scroll right in the results table. The intended use is extracted for you — no need to open the PDF. The device story gives a high-level snapshot of what the device does and how it's used. The AI Performance sub-table shows each output name, acceptance criteria, observed values, and development/test dataset descriptions — the same format Innolitics uses for regulatory strategy outputs, and the fastest high-level fingerprint of an AI device. It is AI-generated but has been very reliable in practice.
Where do you find a device's intended use without opening the PDF?
Scroll right in the search results table. The intended use column is extracted for you; no need to dig into the 510(k) summary PDF.
What does the AI Performance sub-table show, and why is it useful?
Output name, acceptance criteria, observed values, development dataset description, and test dataset description. It's the same format we use for regulatory strategy output and Fast 510(k) input, and the fastest high-level fingerprint of an AI device. AI-generated but reliable in practice.
3. Judging fuzzy relevance
Fuzzy results trail off in relevance as you scroll. Use three signals to decide how far down to go: the fuzzy badge explanations, the intended use column, and whether your target output (e.g., Cobb angle) still appears in the AI Performance sub-table. Once it stops appearing, you're past the relevant zone. A top hit with a low score (~0.4) and a stretched explanation is a hint the closest predicates are far away — the project may be headed for De Novo. Note the fuzzy search is a pattern match: it doesn't handle negation ("not") well, and hardware devices can appear — filter by SaMD/AI ML to cut them.
How do you judge how far down fuzzy search results to go?
Use the relevancy signals: the fuzzy badge explanations, the intended use column, and whether the target output (e.g., Cobb angle) still appears in the AI Performance sub-table. Once it stops appearing, results are trailing off in relevancy.
4. Device detail page: chat and citations
Click a device name to open its detail page: device facts on the left, a chat window on the right. Ask something like "Describe the training data". The answer carries little citation bubbles — click one to jump to the highlighted passage in the source PDF, so you can verify every AI answer against the document. There's also a Download PDF button for sharing.
How do you verify an AI chat answer on the device detail page?
Click the citation bubbles to jump to the relevant highlight in the source document.
Reading rule for every project: how many summaries do you read in full?
At least the three most relevant 510(k) or De Novo summaries, in full. After that, use targeted chat questions to confirm your memory quickly. The tool supports this professional habit — it doesn't replace it.
5. Side-by-side comparison
Select multiple rows in the results table (aim for under ~10), then open the PDF Viewer tab. Ask one question — it goes to all selected devices in parallel, each with citations. This is the fastest way to compare and contrast devices: training data, PCCP scope, how they handled adding new scanners, and so on.
What does the side-by-side PDF viewer mode do?
Select multiple devices, open the PDF viewer tab, and ask one question (e.g., "Describe the training data"). It queries all selected devices simultaneously with citations, so you can compare and contrast quickly.
6. Collections
With rows selected, go to the Collections tab and create a labeled collection (e.g., "Cobb Angle Project"). Reload that selection any time — before a client call, pull up the collection and ask questions across all of its devices at once.
How do you save a set of selected devices for later use?
Select the rows, go to the Collections tab, and create a labeled collection (e.g., "Cobb Angle Project"). You can reload the selection anytime and carry it into the PDF viewer and other tabs that support selections.
7. Product codes and the regulations tree
Click a product code in the results to jump to it in the regulations tree — identification text, sibling product codes, and devices you can open in a PDF viewer on the right. Click a regulation number to see its identification, special controls, and related product codes. You can also search by product code or regulation number at the top of the tree. Always read the special controls if any exist for your device — it broadens your search and sharpens pre-kickoff research.
What can you do from the regulations tree view?
Browse product codes and regulation numbers, read the identification text and special controls, browse sibling product codes, open device PDFs on the right, and search by product code or regulation number at the top of the tree.
8. Chart view
Click Show Chart and segment by regulation number (or product code) to see which regulations dominate your result set. Clicking a regulation takes you into the regulations tree. Great for spotting that most matches are, say, hardware laparoscopic devices — a cue to go back and filter.
How do you see which regulations dominate a search result set?
Click "Show Chart" and segment by Regulation Number. Clicking a regulation takes you to the regulations tree.
9. The predicate graph
Open the Predicates tab for a family-tree view of predicate relationships. Click a node to trace its parents and children; selections from search carry over pre-selected. Commonly predicated devices are worth reading — a lot of people predicated them for a reason. The visual lineage is also handy on client calls, e.g. to show how a predicate family evolved and justify why your predicate still holds.
In the predicate graph, why are commonly predicated devices worth reading?
A lot of people predicated them for a reason. Clicking a node traces parents and children, and selections from search carry over pre-selected.
10. Embeddings: the galaxy map
The Embeddings tab plots every matching document in a 2-D "galaxy map" where semantically similar devices cluster together. Hover or click clusters to explore, and let AI label the clusters for you. Embeddings beat product codes for grouping: two devices can carry different product codes (LLZ vs. QIH) yet do the same thing — the embedding captures the meaning of the intended use and device story. This is also exactly how retrieval-augmented generation (RAG) works under the hood, and it makes a great visual on client calls.
Try it yourself
Head to the search page and work through a few of these AI/ML fuzzy searches to build intuition: perivascular fat on CT · aortic valve calcification opportunistic screening on noncontrast CT · breast cancer prediction on digital pathology slides · autism detection · gestational age prediction · a hearing aid that can also detect a pulse · foundation model based analysis of ECG · large language models · penetration test. Watch how the relevance scores, intended use, and AI Performance tables tell you when results stop being meaningful.
