The Endoflip™ 300 System is indicated for use in a clinical setting to measure pressure and dimensions in the esophagus, pylorus, and anal sphincters in adults and to measure pressure and dimensions in the esophagus, in patients from 5 years of age. It is intended to be used as an adjunct to other diagnostic methods as part of a comprehensive evaluation of patients with symptoms consistent with gastrointestinal motility disorders.
Device Story
Endoflip 300 System is a gastrointestinal motility monitoring system using impedance planimetry. It consists of a pump system, touchscreen display, cart, and standalone reader software. The system uses balloon catheters (Endoflip or Esoflip) inserted into the patient; the pump inflates the balloon with conductive saline. The system measures pressure and dimensions of the esophagus, pylorus, or anal sphincters. Data is processed to provide real-time geometric images and diameter estimates. Used in clinical settings by healthcare professionals to assist in diagnosing motility disorders. The system supports network connectivity for data management and report generation. Benefits include improved usability and enhanced data analysis capabilities compared to the predicate, aiding clinical decision-making through objective measurement of GI tract geometry.
Clinical Evidence
No clinical data or animal studies were required. Substantial equivalence is supported by bench testing, including electrical safety (IEC 60601-1), EMC (IEC 60601-1-2), software verification/validation (IEC 62304), mechanical testing, reliability testing, and a usability study (IEC 62366).
Technological Characteristics
Impedance planimetry system; includes pump, display, cart, and catheters. Materials include stainless steel (pre-use tube). Connectivity via Ethernet. Software-controlled syringe pump drive. Complies with IEC 60601-1 and IEC 60601-1-2. Designed for 5-year useful life.
Indications for Use
Indicated for adults and pediatric patients (5+ years) with symptoms of gastrointestinal motility disorders; used to measure pressure and dimensions in the esophagus, pylorus, and anal sphincters as an adjunct to other diagnostic methods.
Regulatory Classification
Identification
A gastrointestinal motility monitoring system is a device used to measure peristalic activity or pressure in the stomach or esophagus by means of a probe with transducers that is introduced through the mouth into the gastrointestinal tract. The device may include signal conditioning, amplifying, and recording equipment. This generic type of device includes the esophageal motility monitor and tube, the gastrointestinal motility (electrical) system, and certain accessories, such as a pressure transducer, amplifier, and external recorder.
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Image /page/0/Picture/0 description: The image contains the logo of the U.S. Food & Drug Administration (FDA). On the left is the Department of Health & Human Services logo. To the right of that is the FDA logo, which is a blue square with the letters "FDA" in white. To the right of the blue square is the text "U.S. FOOD & DRUG ADMINISTRATION" in blue.
April 14, 2023
Covidien LLC Liron Yaakov Sr. Manager Regulatory Affairs 3062 Bunker Hill Lane Santa Clara, CA 95054
Re: K223705
Trade/Device Name: EndoflipTM 300 Regulation Number: 21 CFR 876.1725 Regulation Name: Gastrointestinal Motility Monitoring System Regulatory Class: Class II Product Code: FFX Dated: March 10, 2023 Received: March 14, 2023
Dear Liron Yaakov:
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. Although this letter refers to your product as a device, please be aware 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
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requirements, including, but not limited to: registration and listing (21 CFR Part 807); labeling (21 CFR Part 801); 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/combination-products/guidance-regulatory-information/postmarketing-safety-reportingcombination-products); 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 https://www.fda.gov/medical-device-safety/medical-device-reportingmdr-how-report-medical-device-problems.
For comprehensive regulatory information about mediation-emitting products, including information about labeling regulations, please see Device Advice (https://www.fda.gov/medicaldevices/device-advice-comprehensive-regulatory-assistance) and CDRH Learn (https://www.fda.gov/training-and-continuing-education/cdrh-learn). 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 (https://www.fda.gov/medical-device-advice-comprehensive-regulatoryassistance/contact-us-division-industry-and-consumer-education-dice) for more information or contact DICE by email (DICE@fda.hhs.gov) or phone (1-800-638-2041 or 301-796-7100).
Sincerely,
# Shanil P. Haugen -S
Shanil P. Haugen, Ph.D. Assistant Director DHT3A: Division of Renal, Gastrointestinal, Obesity and Transplant Devices OHT3: Office of GastroRenal, ObGyn, General Hospital and Urology Devices Office of Product Evaluation and Quality Center for Devices and Radiological Health
Enclosure
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# Indications for Use
510(k) Number (if known) K223705
Device Name Endoflip™ 300 System
#### Indications for Use (Describe)
The Endoflip™ 300 System is indical setting to measure pressure and dimensions in the esophagus, pylorus, and anal sphincters in adults and to measure pressure and dimensions in patients from 5 years of age. It is intended to be used as an adjunct to other diagnostic methods as part of a comprehensive evaluation of patients with symptoms consistent with gastrointestinal motility disorders.
| Type of Use (Select one or both, as applicable) | |
|-------------------------------------------------|---------------|
| Prescription Use (Part 21 CFR 801 Subpart D) | <span></span> |
| Over-The-Counter Use (21 CFR 801 Subpart C) | <span></span> |
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# 510(k) Summary
| I. SUBMITTER |
|--------------------------|
| Covidien IIc (Medtronic) |
| 3062 Bunker Hill Lane |
Santa Clara, CA 95054
| Contact Person: | Liron Bar Yaakov |
|-----------------|--------------------------------|
| | Sr. Manager Regulatory Affairs |
Telephone: 720-422-9135 E-mail: liron.baryaakov@medtronic.com
Date Prepared:
March 6, 2023
II. DEVICE
| Name of Device: | Endoflip ™ 300 System |
|-----------------------|---------------------------------------------------------------|
| Common or Usual Name: | System, Gastrointestinal Motility (Electrical) |
| Classification Name: | Gastrointestinal motility monitoring system (21 CFR 876.1725) |
| Regulatory Class: | II |
| Product Code: | FFX |
III. PREDICATE DEVICE
| Predicate Name: | Endoflip™ System |
|--------------------------|------------------|
| Predicate 510(k) number: | K183072 |
This submission also used a reference device:
| Reference Name: | FLIP Topography Module |
|--------------------------|------------------------|
| Reference 510(k) number: | K170833 |
# IV. DEVICE DESCRIPTION
The Endoflip™ 300 System is the next generation of the predicate Endoflip™ System consisting of design changes to the device hardware and software components. The design changes improve device usability when compared to the predicate. Changes were made to the platform components only; no design changes were made to the system catheters (Endoflip™ or Esoflip™) except for labeling changes (not related to indications for use).
The following table provides a summary of the Endoflip™ 300 System platform components:
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| REF | Component Name | Device Use |
|--------|------------------------------|-------------------------------------------------------------------------------------------|
| EF-301 | Endoflip™ 300 Pump System * | Capital equipment, reusable |
| EF-302 | Endoflip™ 300 Display System | Capital equipment, reusable, supplied with Endoflip™ 300<br>System software pre-installed |
| EF-303 | Endoflip™ 300 Cart | Capital equipment, reusable, contains an isolation<br>transformer |
| EF-304 | Endoflip™ 300 Reader | Standalone software accessory, downloaded to a personal<br>computer |
| EF-305 | Pre-Use Tube | Accessory, reusable |
ahle 1 Summary of Endoflin1M 300 Sustem Platform Compo
*A refurbished pump system is also available with REF number EF-301-RFB.
A description of each platform component is provided below:
# Endoflip™ 300 Pump System
The Endoflip™ 300 Pump System is a hardware device that runs on a PIC32MZ microcontroller. It is responsible for data acquisition from an Endoflip™ or Esoflip™ balloon catheter and controlling a syringe pump drive, which inflates or deflates the balloon with conductive saline solution. The pump system firmware is designed to be controlled by the Endoflip™ 300 Software via an API command setthat allows access and control of all peripherals. This allows the Endoflip™ 300 Display System to contain all the application and business logic of the Endoflip™ 300 Svstem. The pump system also contains bootloader firmware that can support firmware upgrades via an Ethernet connection. The Endoflip™ 300 Pump System connects to the Endoflip™ 300 Display System via an Ethernet cable.
# Endoflip™ 300 Display System
The Endoflip™ 300 Display System is a hardware device consisting of an off-the-shelf medical grade touchscreen computer. It is provided to the user preinstalled with the Endoflip™ 300 System software in Normal Mode (also referred to as Acquisition Mode), Installer, IT Utility and OS. The display system serves as the primary user interface that allows the user to perform an Endoflip™ procedure, visualize data and create reports. It also provides the option to the user to connect to a clinic or hospital network via Ethernet.
# Endoflip™ 300 Cart
The Endoflip™ 300 Cart provides a secure mounting location for the pump and display systems allowing movement of the system within the clinical setting. It includes an isolation transformer at its base and a holder for the Pre-Use Tube. It is also provided to the user pre-wired to connect to an electrical source and with an Ethernet cable to connect the pump and display systems to each other.
# Endoflip™ 300 Reader
The Endoflip™ 300 Reader is a standalone software application that allows review of study data on computers other than the Endoflip™ 300 Display System. It is meant to be used by healthcare professionals to evaluate Endoflip™ data post-procedure. The Endoflip™ 300 Reader is installed from a USB device.
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# Pre-Use Tube
The Pre-Use Tube is a stainless-steel tube that is slid into the pre-use tube holder found on the right-hand side of the cart. It is meant to hold the distal end of an Endoflip™ or Esoflip™ catheter during pre-check.
# V. INDICATIONS FOR USE
The Endoflip™ 300 System is indicated for use in a clinical setting to measure pressure and dimensions in the esophagus, pylorus, and anal sphincters in adults and to measure pressure and dimensions in the esophaqus, in patients from 5 years of age. It is intended to be used as an adjunct to other diagnostic methods as part of a comprehensive evaluation of patients with symptoms consistent with gastrointestinal motility disorders.
There is no change to the indications for use when compared to the predicate device.
VII. COMPARISON OF TECHNOLOGICAL CHARACTERISTICS WITH THE PREDICATE DEVICE Gastrointestinal motility assessment using impedance planimetry is the technological principle for both the subject and predicate devices. It requires use of a platform that includes a pump, display and cart and balloon catheters that work as functional lumen imaging probes to characterize the geometry of the measurement area. At a high level, the subject and predicate devices (including the reference device) are based on the same technological elements:
- System comprised of a pump, display, cart and accessories, including pre-use tube and balloon catheters
- Compatibility with the same, previously cleared catheters - Endoflip™ and Esoflip™
- . Pump is firmware controlled to move the syringe driver to inflate/deflate the balloon with saline
- . Real-time geometric image of the measurement area
- . Provides estimated balloon diameters along the length of the balloon and historical diameter estimates and other parameters
The following high level technological differences exist between the subject and predicate devices:
- Fully integrated platform with redesigned hardware components .
- Guided catheter setup during pre-check ●
- Key metrics capture ●
- Additional data analysis capabilities ●
- Study manager feature save studies and reports for post-procedural review .
- 0 Network connectivity
# VII. PERFORMANCE DATA
The following performance data were evaluated and, if applicable, provided in support of the substantial equivalence determination.
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# Biocompatibility Testing
Biocompatibility testing is not applicable since none of the Endoflip™ 300 System platform components evaluated are patient contacting.
# Electrical Safety and Electromagnetic Compatibility (EMC)
Electrical safety and EMC testing were performed on the Endoflip™ 300 System platform. The system complies with IEC 60601-1 (US Dev. ANSI AAMI ES60601-1) for safety and IEC 60601-1-2 for EMC.
# Software Verification and Validation Testing
Software verification and validation testing were performed per IEC 62304, and documentation was provided as recommended by FDA's Guidance for Industry and FDA Staff, "Guidance for the Content of Premarket Submissions for Software Contained in Medical Devices." The software for this device was considered a "moderate" level of concern since prior to mitigation of hazards a failure of the software could result in minor injury or a malfunction of, or a latent design flaw in, the software could lead to an erroneous diagnosis or a delay in delivery of appropriate medical care that would likely lead to a minor injury.
# Mechanical Testing
Mechanical testing was performed on the Endoflip™ 300 System platform. Testing performed includes:
- Physical attribute verification .
- Unpackaged and packaged weight maximums .
- o Syringe locking mechanism and syringe detection mechanism
- Catheter connector mechanism, pre-use tube and catheter support ●
- Accessible and replaceable air filtration ●
- Extended syringe, manual retraction and balloon deflation
- o Syringe delivery and extraction rate
- Syringe pressure delivery
- Ingress protection ●
- Mechanical strength
- o Acoustic energy
# Reliability Testing
Reliability testing was performed on the Endoflip™ 300 System platform to demonstrate the device meets a 5-year useful life.
# Environmental Testing
Environmental testing was performed on the Endoflip™ 300 System platform to verify device operational and storage conditions.
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# Usability Study
Usability validation was performed per IEC 62366 to assess the design changes to the Endoflip™ 300 System. Design changes were found to be adequately safe and effective for its intended uses, by the intended users, in a simulated intended-use environment.
# Animal Studies
Animal studies were not required to demonstrate the safety and performance of the Endoflip™ 300 System.
# Clinical Studies
Clinical studies were not required to demonstrate the safety and performance of the Endoflip™ 300 System.
# VIII. CONCLUSION
The Endoflip™ 300 System is substantially equivalent to the predicate device. The subject device has the same device classification, intended use, intended use environment, target patient population and principles of operation as the predicate. The subject device design and technological differences do not raise any new questions of safety and effectiveness when compared to the predicate, which is supported by the verification and validations activities performed.
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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).
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.
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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.
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.
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Reading rule for every project: how many summaries do you read in full?
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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.
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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.
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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.
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.