RTC METERED DOSE INHALER ADAPTERS-SINGLE PATIENT USE, MODEL RTC 24-V, RTC MDI ADAPTER KIT-SINGLE PATIENT USE, MODEL RTC
K091111 · Instrumentation Industries, Inc. · CAF · Dec 2, 2009 · Anesthesiology
Device Facts
Record ID
K091111
Device Name
RTC METERED DOSE INHALER ADAPTERS-SINGLE PATIENT USE, MODEL RTC 24-V, RTC MDI ADAPTER KIT-SINGLE PATIENT USE, MODEL RTC
Applicant
Instrumentation Industries, Inc.
Product Code
CAF · Anesthesiology
Decision Date
Dec 2, 2009
Decision
SESE
Submission Type
Traditional
Regulation
21 CFR 868.5630
Device Class
Class 2
Attributes
Therapeutic
Indications for Use
The Instrumentation Industries, Inc. RTC 24-V MDI Adapter is an actuator for intermittent delivery of prescribed aerosol medication dispensed in cylindrical-style metered dose inhalers. The RTC 24-V MDI Adapter is intended for use only when connected to ventilator tubing or tracheal tubes. The RTC 24-V MDI Adapter is intended to be prescribed for any patient who is ventilator-dependent and to whom a metered dose inhaler has been prescribed. The expected clinical environment for the RTC 24-V MDI Adapter is Critical Care and/or long term or short term ventilation. The RTC 24-V MDI Adapter is intended for single patient reuse. This device is intended for sale by or on the order of a physician. The Instrumentation Industries, Inc. RTC 24-V KIT includes the RTC 24-V MDI Adapter actuator for intermittent delivery of prescribed aerosol medication dispensed in cylindrical-style metered dose inhalers. The RTC 24-V KIT is intended for use only when connected to ventilator tubing or tracheal tubes. The RTC 24-V KIT is intended to be prescribed for any patient who is ventilator-dependent and to whom a metered dose inhaler has been prescribed. The expected clinical environment for the RTC 24-V KIT is Critical Care and/or long term or short term ventilation. The components of the RTC 24-V KIT consist of one RTC 24-V MDI Adapter, one four inch length of 22 mm inner-diameter tubing, and one 15 mm inner-diameter/22 mm outer-diameter adapter. The RTC 24-V KIT is intended for single patient reuse. This device is intended for sale by or on the order of a physician.
Device Story
The RTC 24-V is an actuator for delivering aerosolized medication from cylindrical metered dose inhalers (MDIs) into ventilator circuits or tracheal tubes. It features an integrated gear mechanism designed to interface with specific MDI brands that include dose counters, allowing for monitoring of remaining medication. The device is used in critical care or ventilation settings by respiratory therapists or clinicians. It is provided as a standalone adapter or as a kit including 22mm tubing and a 15mm/22mm connector. The device facilitates medication delivery to ventilator-dependent patients, potentially improving therapeutic efficiency compared to previous models.
Clinical Evidence
Bench testing only. Laboratory performance compared the RTC 24-V to the RTC 22-D using Ventolin HFA, Atrovent HFA, and QVAR. Metrics included MMAD, GSD, and medication captured on USP throat. Results showed no statistically significant differences in particle size or throat deposition, while the RTC 24-V demonstrated statistically significant improvements in total dose delivered, respirable fraction, and total respirable dose delivered.
Technological Characteristics
Actuator for MDI; materials: Polystyrene Butadiene (body), Thermoplastic Rubber (cap). Dimensions: 15mm I.D. inlet, 15mm I.D./22mm O.D. outlet. Features integrated gear for MDI dose counter compatibility. Flow direction indicated by molded-in arrow. Single patient reuse. Latex-free.
Indications for Use
Indicated for ventilator-dependent patients prescribed aerosol medication via cylindrical-style metered dose inhalers. Used in critical care, long-term, or short-term ventilation settings. Prescription use only.
Regulatory Classification
Identification
A nebulizer is a device intended to spray liquids in aerosol form into gases that are delivered directly to the patient for breathing. Heated, ultrasonic, gas, venturi, and refillable nebulizers are included in this generic type of device.
Predicate Devices
Instrumentation Industries, Inc. RTC 22-D (K991355)
Submission Summary (Full Text)
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Section 5 Page 1 of 3 DEC - 2 2009
2990 Industrial Boulevard • Bethel Park, PA 15102-2536 Phone: 412-854-1133 US Toll-Free: 1-800-633-8577 Fax: 412-854-5668 www.iiimedical.com
Date Prepared: April 10, 2009 Revised: November 23, 2009 Contact Person/Submitter: Doris F. Walter Official Correspondent for Instrumentation Industries, Inc.: Edward C. Horey
### 510(k) SUMMARY
for
# RTC 24-V MDI Adapter and RTC 24-V MDI Adapter Kit
| Trade Name | RTC 24-V Metered Dose Inhaler Adapter<br>RTC 24-V Metered Dose Inhaler Adapter Kit |
|-------------------------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| Common Name | Actuator |
| Classification Name | Nebulizer |
| Regulation | 21 CFR 868.5630 |
| Predicate Device | Instrumentation Industries, Inc. RTC 22-D (K991355) |
| Device Description | The Instrumentation Industries, Inc. RTC 24-V metered dose inhaler adapter is<br>an actuator for intermittent delivery of prescribed aerosol medication<br>dispensed in metered dose inhalers.<br><br>The RTC 24-V metered dose inhaler adapter kit is comprised of the<br>Instrumentation Industries, Inc. components normally used by respiratory<br>therapists to integrate our existing actuators into a ventilator circuit.<br><br>The kit includes one RTC 24-V MDI adapter, one 4 inch length of 22mm ID<br>tubing and one 15mm ID/22mm OD adapter |
| Intended Use<br>of the Device<br>RTC 24-V<br>Metered Dose<br>Inhaler Adapter | The Instrumentation Industries, Inc. RTC 24-V MDI Adapter is an actuator for<br>intermittent delivery of prescribed aerosol medication dispensed in cylindrical-style<br>metered dose inhalers. The RTC 24-V MDI Adapter is intended for use only when<br>connected to ventilator tubing or tracheal tubes.<br><br>The RTC 24-V MDI Adapter is intended to be prescribed for any patient who is<br>ventilator-dependent and to whom a metered dose inhaler has been prescribed. The<br>expected clinical environment for the RTC 24-V MDI Adapter is Critical Care and/or |
| RTC 24-V<br>Metered Dose<br>Inhaler Adapter<br>Kit<br>(To be sold as<br>model number<br>RTC 24-V KIT) | long term or short term ventilation. |
| | The RTC 24-V MDI Adapter is intended for single patient reuse. |
| | This device is intended for sale by or on the order of a physician. |
| | The Instrumentation Industries, Inc. RTC 24-V KIT includes the RTC 24-V MDI<br>Adapter actuator for intermittent delivery of prescribed aerosol medication dispensed<br>in cylindrical-style metered dose inhalers. The RTC 24-V KIT is intended for use<br>only when connected to ventilator tubing or tracheal tubes.<br>The RTC 24-V KIT is intended to be prescribed for any patient who is ventilator-<br>dependent and to whom a metered dose inhaler has been prescribed. The expected<br>clinical environment for the RTC 24-V KIT is Critical Care and/or long term or short<br>term ventilation. |
| | The components of the RTC 24-V KIT consist of one RTC 24-V MDI Adapter, one<br>four inch length of 22 mm inner-diameter tubing, and one 15 mm inner-diameter/22<br>mm outer-diameter adapter. |
| | The RTC 24-V KIT is intended for single patient reuse. |
| | This device is intended for sale by or on the order of a physician. |
| Technological<br>Characteristics | Similarities: The function, inlet and outlet end dimensions, and the materials of both the<br>RTC 22-D predicate device and the RTC 24-V are the same. Both the RTC<br>22-D and the RTC 24-V will accept plastic or metal tipped, cylindrically-<br>shaped MDI canisters. All materials are latex-free.<br>Materials - Body - Polystyrene Butadiene<br>Cap - Thermoplastic Rubber<br>Functional Dimensions - Inlet - 15mm I.D<br>Outlet - 15mm I.D./22 mm O.D.<br>Markings - Both the RTC 24-D and the RTC 22-D are marked with a molded-in arrow defining direction of flow. |
| | Differences: The RTC 24-V design includes a gear that is designed to mate with a limited<br>number of brands of metered dose inhalers that have an integral dose counter.<br>The interaction of the adapter gear and the dose counter permits accurate |
| | monitoring of the amount of doses remaining in the inhaler device. The RTC<br>22-D does not include a similar gear. |
| | There currently is not a kit version of the RTC 22-D. Users must purchase the<br>MDI adapter, the tubing and the straight connector separately. |
| Aerosol<br>Performance | The RTC 24-V was tested in the laboratory with the following MDI<br>medications:<br>- Ventolin® HFA<br>- Atrovent® HFA<br>- QVAR® |
| | In the tests (shown below) that were performed upon the RTC 24-V and the<br>RTC 22-D predicate device, actual differences were not statistically<br>significant:<br>Particle Size (MMAD)<br>Geometric Standard Deviation (GSD)<br>Medication Captured on USP Throat |
| | In the tests (shown below) that were performed upon the RTC 24-V and the<br>RTC 22-D predicate device, actual differences were statistically significant,<br>with the RTC 24-V out-performing the RTC 22-D.<br>Total Dose Delivered<br>Respirable Fraction<br>Total Respirable Dose Delivered<br>Medication Retained in Device |
| Conclusion: | In laboratory testing the RTC 24-V is substantially equivalent to the RTC 22-D<br>predicate device. |
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## DEPARTMENT OF HEALTH & HUMAN SERVICES
Image /page/3/Picture/1 description: The image shows the logo for the U.S. Department of Health & Human Services. The logo consists of a stylized eagle with its wings spread, facing right. The eagle is positioned to the right of a circular arrangement of text that reads "DEPARTMENT OF HEALTH & HUMAN SERVICES • USA".
Food and Drug Administration 10903 New Hampshire Avenue Document Control Room W-O66-0609 Silver Spring, MD 20993-0002
Ms. Doris Walter Regulatory Affairs/Quality Assurance Manager Instrumentation Industries, Incorporated 2990 Industrial Boulevard Bethel Park, Pennsylvania 15102
DEC - 2 2009
Re: K091111
Trade/Device Name: RTC 24-V Metered Dose Inhaler Adapter and RTC 24-V Metered Dose Inhaler Adapter Kit Regulation Number: 868.5630 Regulation Name: Nebulizer Regulatory Class: Il Product Code: CAF Dated: November 23, 2009 Received: November 25, 2009
Dear Ms. Walter:
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 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 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.
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Page 2- Ms. Walter
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 Part 801); medical device reporting (reporting of medical device-related adverse events) (21 CFR 803); good manufacturing practice requirements as set forth in the quality systems (QS) regulation (21 CFR Part 820); and if applicable, the electronic product radiation control provisions (Sections 531-542 of the Act); 21 CFR 1000-1050.
If you desire specific advice for your device on our labeling regulation (21 CFR Part 801), please go to
http://www.fda.gov/AboutFDA/CentersOffices/CDRH/CDRHOffices/ucm115809.htm for the Center for Devices and Radiological Health's (CDRH's) Office of Compliance. Also, please note the regulation entitled, "Misbranding by reference to premarket notification" (21CFR 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.goy/MedicalDevices/Resourcesfor You/Industry/default.htm.
Sincerely vours.
for
Susan Runner, D.D.S., M.A. Acting Division Director Division of Anesthesiology, General Hospital, Infection Control and Dental Devices Office of Device Evaluation Center for Devices and Radiological Health
Enclosure
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Section 4 Page 1 of 2 Revised Nov. 23, 2009
### Indications for Use
510(k) Number (if known):
K091111
Device Name:
RTC 24-V Metered Dose Inhaler Adapter
#### Statement of Indications for Use:
RTC 24-V Metered Dose Inhaler Adapter
The Instrumentation Industries, Inc. RTC 24-V MDI Adapter is an actuator for intermittent delivery of prescribed aerosol medication dispensed in cylindrical-style. metered dose inhalers. The RTC 24-V MDI Adapter is intended for use only when connected to ventilator tubing or tracheal tubes.
The RTC 24-V MDI Adapter is intended to be prescribed for any patient who is ventilator-dependent and to whom a metered dose inhaler has been prescribed. The expected clinical environment for the RTC 24-V MDI Adapter is Critical Care and/or long term or short term ventilation.
And/Or
The RTC 24-V MDI Adapter is intended for single patient reuse.
This device is intended for sale by or on the order of a physician.
Prescription Use (Part 21 CFR 801 Subpart D)
.Over-The-Counter Use (21 CFR 801 Subpart C)
(PLEASE DO NOT WRITE BELOW THIS LINE -- CONTINUE ON ANOTHER PAGE IF NEEDED)
Concurrence of CDRH, Office of Device Evaluation (ODE)
L. Schult
(Division Sign-Off) Division of Anesthesiology, General Hospital nfection Control, Dental Devices
510(k) Number: KO 9
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Section 4 Page 2 of 2 Revised Nov. 23, 2009
### Indications for Use
510(k) Number (if known):
#### K091111
Device Name:
RTC 24-V Metered Dose Inhaler Adapter Kit (To be sold as model number RTC 24-V KIT)
### Statement of Indications for Use:
The Instrumentation Industries, Inc. RTC 24-V KIT includes the RTC 24-V MDI Adapter actuator for intermittent delivery of prescribed aerosol medication dispensed in cylindrical-style metered dose inhalers. The RTC 24-V KIT is intended for use only when connected to ventilator tubing or tracheal tubes.
The RTC 24-V KIT is intended to be prescribed for any patient who is ventilatordependent and to whom a metered dose inhaler has been prescribed. The expected clinical environment for the RTC 24-V KIT is Critical Care and/or long term or short term ventilation.
The components of the RTC 24-V KIT consist of one RTC 24-V MDI Adapter, one four inch length of 22 mm inner-diameter tubing, and one 15 mm inner-diameter/22 mm outer-diamcter adapter.
And/Or
The RTC 24-V KIT is intended for single patient reuse.
This device is intended for sale by or on the order of a physician.
V Prescription Use (Part 21 CFR 801 Subpart D)
Over-The-Counter Use (21 CFR 801 Subpart C)
(PLEASE DO NOT WRITE BELOW THIS LINE - CONTINUE ON ANOTHER PAGE IF NEEDED)
Concurrence of CDRH, Office of Device Evaluation (ODE) L. Ahelt
(Division Sign-Off) Division of Anesthesiology, General Hospital Infection Control, Dental Devices
510(k) Number:
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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.
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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).
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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Click "Show Chart" and segment by Regulation Number. Clicking a regulation takes you to the regulations tree.
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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.
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A lot of people predicated them for a reason. Clicking a node traces parents and children, and selections from search carry over pre-selected.
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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.