K110407 · Stealth Therapeutics, Incorporated · LJT · Oct 13, 2011 · General Hospital
Device Facts
Record ID
K110407
Device Name
INVISIPORT
Applicant
Stealth Therapeutics, Incorporated
Product Code
LJT · General Hospital
Decision Date
Oct 13, 2011
Decision
SESE
Submission Type
Traditional
Regulation
21 CFR 880.5965
Device Class
Class 2
Attributes
Therapeutic
Indications for Use
The Invisiport™ is indicated for any patient requiring repeated access of the vascular system for delivery of medications, nutritional supplementation, fluids, blood, blood products, or the sampling of blood, or for power injection of contrast media when used with a power-injectable Huber needle or infusion set.
Device Story
Invisiport™ is an implantable infusion port system consisting of a reservoir with a self-sealing silicone septum and a pre-attached, open-ended radiopaque catheter. Used in hospital or clinic settings by licensed healthcare providers, the device is implanted peripherally or in the thoracic region. The reservoir is accessed percutaneously using a non-coring Huber needle. For power injection of contrast media, a power-injectable Huber needle or infusion set is required. The system facilitates repeated vascular access, reducing the need for frequent venipuncture and providing a reliable route for therapeutic infusions and blood sampling.
Clinical Evidence
Bench testing only. Performance testing was conducted in accordance with FDA Guidance on 510(k) Submissions for Implanted Infusion Ports (1990) and sterility information guidelines (2008). The device passed all performance testing.
Technological Characteristics
Implantable infusion port with self-sealing silicone septum and pre-attached radiopaque catheter. Materials evaluated for biocompatibility. Designed for peripheral or thoracic implantation. Compatible with power injection of contrast media up to 5 ml/s. Mechanical device; no software or electronic components.
Indications for Use
Indicated for patients requiring repeated vascular access for medication delivery, nutritional supplementation, fluid/blood product administration, blood sampling, or power injection of contrast media using a compatible Huber needle or infusion set.
Regulatory Classification
Identification
A subcutaneous, implanted, intravascular infusion port and catheter is a device that consists of a subcutaneous, implanted reservoir that connects to a long-term intravascular catheter. The device allows for repeated access to the vascular system for the infusion of fluids and medications and the sampling of blood. The device consists of a portal body with a resealable septum and outlet made of metal, plastic, or combination of these materials and a long-term intravascular catheter is either preattached to the port or attached to the port at the time of device placement. The device is available in various profiles and sizes and can be of a single or multiple lumen design.
Special Controls
*Classification.* Class II (special controls) Guidance Document: “Guidance on 510(k) Submissions for Implanted Infusion Ports,” FDA October 1990.
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OCT 1 3 2011
#### 5.0 510(k) Summary
This sunmary is provided to support the 510(k) notification for the Invisiport™ manufactured for Stealth Therapenties, Inc.
| Company Name: | Stealth Therapeutics, Inc. |
|------------------------|--------------------------------------------------------------------------------------------------------|
| Address: | 5520 Nobel Drive, Suite 150<br>Fitchburg, Wisconsin 53711 |
| Phone: | (608) 577-4484 |
| Date Summary Prepared: | February 8, 2011 |
| Trade Name: | Invisiport™ |
| Common Name: | Implantable Infusion Port |
| Classification Name: | Subcutaneous, Implanted, Intravascular Infusion Port and Catheter<br>21 CFR 880.5965, Product Code LJT |
| Predicate Devices: | K043178, Rhapsody Access Port manufactured by GrantAdler Corporation |
| | K060812, PowerPort™ Implantable Titanium Port manufactured by C.R.<br>Bard, Inc. |
| | K060036, PORT-A-CATH manufactured by Smiths Medical |
| | K934518, PeriPort manufactured by Strato Medical Corp. |
### Product Description 5. I
The Invisiport™ consists of an injection port made from material evaluated for hiocompatibility. The Invisiport has a self-sealing silicone septum. An open ended radiopaque catheter is pre-attached to the port. The silicone septum covers a reservoir that can be accessed with a non-coring Huber type needle. Power injection of contrast for imaging examinations can be performed when the port is accessed with a power-injectable Huber needle or infusion set.
#### 5.2 Intended Use of the Device
The intended use of the Invisiport is the same as predicate devices:
The Invisiport™ is indicated for any patient requiring repeated access of the vascular system for delivery of medications, nutritional supplementation, fluids, blood, blood products, or the
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sampling of blood, or for power injection of contrast media when used with a powerinjectable Huber needle or infusion set.
## Summary of Technological Characteristics 5.3
The following table provides a side-by-side comparison the Invisiport™ to the predicate devices being used to support this notification.
| Table 5.3-1: Substantial Equivalence Technical Characteristics | | | | | | | | | |
|----------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--|--|--|
| Feature | Invisiport™<br>(Under Review) | PeriPort<br>K934518 | GrantAdler<br>Rhapsody<br>Access Port<br>K043178,<br>K082126 | Bard Power<br>Port<br>K060812 | Smiths Medical<br>PORT-A-<br>CATH<br>K060036 | Comment | | | |
| Indications<br>for Use | The Invisiport™<br>is indicated for<br>any patient<br>requiring<br>repeated access<br>of the vascular<br>system for<br>delivery of<br>medications,<br>nutritional<br>supplementation,<br>fluids, blood,<br>blood products,<br>or the sampling<br>of blood, or for<br>power injection<br>of contrast when<br>used with a<br>power-injectable<br>Huber needle or<br>infusion set. | The PeriPort is a<br>totally<br>implantable drug<br>delivery system<br>designed to give<br>repeated access<br>to the venous<br>system for<br>infusions,<br>nutritional<br>solutions,<br>medications,<br>fluids, and for<br>the sampling of<br>venous blood. | The GrantAdler<br>Rhapsody<br>Access Port and<br>Catheter is<br>indicated for any<br>patient requiring<br>reliable<br>repeated access<br>of the vascular<br>system for<br>delivery of<br>medications,<br>nutritional<br>supplementation,<br>fluids, blood,<br>blood products<br>or the sampling<br>of blood. | The PowerPort<br>implanted port is<br>indicated for<br>patient therapies<br>requiring<br>repeated access<br>to the vascular<br>system. The port<br>system can be<br>used for infusion<br>of medications,<br>I.V. fluids,<br>parenteral<br>nutrition<br>solutions, blood<br>products, and for<br>the withdrawal<br>of blood<br>samples. When<br>used with the<br>PowerLoc<br>Safety Infusion<br>Set, the<br>PowerPort<br>device is<br>indicated for<br>power injection<br>of contrast<br>media. For<br>power injection<br>of contrast<br>media, the<br>maximum<br>recommended<br>infusion rate is<br>5 ml/s. | PORT-A-CATH<br>-Systems with<br>Dual Layer<br>Catheter are<br>indicated when<br>patient therapy<br>requires repeated<br>vascular access<br>for injection or<br>infusion therapy<br>and/or venous<br>blood<br>sampling. | The indication for use of<br>the Invisiport is the same<br>as the predicate devices,<br>including power<br>injection compatibility.<br>The 5 ml/sec power<br>injection of contrast<br>media limit is the same<br>as the Bard Power Port. | | | |
| Port Access | Hospital/clinic<br>licensed health<br>care provider | Hospital/clinic<br>licensed health<br>care provider | Hospital/clinic<br>licensed health<br>care provider | Hospital/clinic<br>licensed health<br>care provider | Hospital/clinic<br>licensed health<br>care provider | Same | | | |
| Location of<br>implant | Peripheral or<br>thoracic | Peripheral<br>(medial mid arm<br>or upper arm<br>above the elbow<br>or antecubital<br>space and well<br>below the<br>subaxillary area) | Peripheral or<br>thoracic | Thoracic | Peripheral<br>(upper arm) or<br>Thoracic | Same<br>The PeriPort, GrantAdler<br>Rhapsody and Port-A-<br>Cath have a<br>recommended peripheral<br>implantation site (upper<br>arm); the same as the<br>Invisiport. | | | |
| Design | Septum/port<br>with integrated<br>catheter | Septum/port<br>with an<br>attachable | Septum/port<br>with an<br>attachable | Septum/port<br>with an<br>attachable | Septum/port<br>with an<br>attachable | As a convenience to the<br>user, the catheter is<br>integrated with the port. | | | |
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| Feature | Invisiport™<br>(Under Review) | PeriPort<br>K934518 | GrantAdler<br>Rhapsody<br>Access Port<br>K043178,<br>K082126 | Bard Power<br>Port<br>K060812 | Smiths Medical<br>PORT-A-<br>CATH<br>K060036 | Comment |
|--------------------|-------------------------------|---------------------|--------------------------------------------------------------|-------------------------------|----------------------------------------------|----------------------------------------|
| | | catheter | catheter | catheter | catheter | reservoir. |
| Catheter<br>Length | 53.3 cm | 76 cm | Up to 52 cm | Up to 45 cm | 76 cm | Within the range of the<br>predicates. |
| Catheter ID | 1.3 mm | 1.0 mm | 2 mm | Unknown | 1.0 mm | Within the range of the<br>predicates. |
| Catheter OD | 2.0 mm | 1.7 mm | 2.33 mm (7 Fr) | 2.7 mm (8 Fr) | 1.9 mm | Within the range of the<br>predicates. |
### Performance tests to demonstrate substantial equivalency: 5.4
To establish the technical equivalency of the Invisiport tests were conducted according to methods presented in FDA Guidance: Guidance on 510(k) Submissions for Implanted Infusion Ports, October 1990, Submission and Review of Sterility Information in Premarket Notification 510(k) Submissions for Devices Labeled as Sterile, December 12, 2008 and provided by FDA in review and discussion. The device passed all testing.
#### 5.5 Conclusion
The Invisiport™ met all established acceptance criteria for performance testing. The intended use and technology of the Invisiport are equivalent to the predicate devices. No new questions of safety or effectiveness are raised.
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Image /page/3/Picture/0 description: The image shows a partial view of the Department of Health & Human Services logo. The left side of the logo shows the text "DEPARTMENT OF HEALTH & HUMAN SERVICES - USA" arranged in a circular pattern. To the right of the text is a symbol consisting of three stylized lines, which are thicker at the top and taper towards the bottom.
# DEPARTMENT OF HEALTH & HUMAN SERVICES
Public Health Service
Food and Drug Administration 10903 New Hampshire · Avenue Document Control Room -WO66-G609 Silver Spring, MD 20993-0002
Stealth Therapeutics, Incorporated C/O Mr. Gary J. Syring Principal Consultant Quality & Regulatory Associates, LLC 800 Levanger Lane Stoughton, Wisconsin 53589
OCT. 13 2011
Re: K110407
Trade/Device Name: Invisiport™ Regulation Number: 21 CFR 880.5965 Regulation Name: Subcutaneous, Implanted, Intravascular Infusion Port and Catheter Regulatory Class: II Product Code: LJT Dated: October 6, 2011 Received: October 7, 2011
Dear Mr. Syring:
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. 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.
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# Page 2 - Mr. Syring
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 (OS) 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.gov/MedicalDevices/Resourcesfor You/Industry/default.htm.
Sincerely yours.
Anthony O. m
Anthony D. Watson, B.S., M.S., M.B.A. 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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# Indications for Use
510(k) Number (if known): K110 407
Device Name: Invisiport™
Indications for Use:
The Invisiport™ is indicated for any patient requiring repeated access of the vascular system for delivery of medications, nutritional supplementation, fluids, blood, blood products, or the sampling of blood, or for power injection of contrast media when used with a power-injectable Huber needle or infusion set.
Prescription Use X (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)
Rily C. Chyn 10/14/14
(Division Sign Off)
(Division Sign-Off) Division of Anesthesiology, General Hospital Infection Control, Dental Devices
510(k) Number: K110407
Page 1 of 1
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.