ViSiGi® 3D is intended for use in gastric and bariatric surgical procedures performed in surgery centers or hospitals. VISiGI® 3D is indicated for the application of suction, stomach decompression, drainage of gastric fluids, irrigation, to test for leaks, and to serve as a sizing guide.
Device Story
ViSiGi 3D is a single-patient-use, non-sterile gastrointestinal tube used during gastric and bariatric surgeries. The device consists of a single-lumen tube with a closed, rounded distal tip, side holes, and an internal support spring. It is available in 32F, 36F, and 40F diameters. The proximal end features an integral suction regulator and a vented on/off slide valve. An optional squeeze bulb with an integral pressure gauge can be connected to the proximal end. The device is inserted into the stomach via the esophagus by a surgeon. It functions as a sizing guide for modifying patient anatomy and facilitates suction, decompression, fluid delivery, drainage, and staple line leak testing. The output is used intraoperatively by the surgeon to assess staple line integrity and manage gastric contents, potentially improving surgical efficiency and patient safety.
Clinical Evidence
No clinical data provided. Performance data was limited to bench testing regarding bulb compatibility and functionality to support the addition of the leak testing indication.
Technological Characteristics
Materials: SEBS thermoplastic elastomer. Design: Single lumen tube, 104cm length, 32F/36F/40F diameters, closed rounded distal tip with side holes, internal support spring, kink-resistant to 90 degrees. Features: Integral suction regulator, vented on/off slide valve, depth markings at 30, 40, and 50cm. Connectivity: Optional manual squeeze bulb with pressure gauge. Sterilization: Non-sterile, single-patient use.
Indications for Use
Indicated for use in gastric and bariatric surgical procedures for suction, stomach decompression, gastric fluid drainage, irrigation, leak testing, and as a sizing guide.
Regulatory Classification
Identification
A gastrointestinal tube and accessories is a device that consists of flexible or semi-rigid tubing used for instilling fluids into, withdrawing fluids from, splinting, or suppressing bleeding of the alimentary tract. This device may incorporate an integral inflatable balloon for retention or hemostasis. This generic type of device includes the hemostatic bag, irrigation and aspiration catheter (gastric, colonic, etc.), rectal catheter, sterile infant gavage set, gastrointestinal string and tubes to locate internal bleeding, double lumen tube for intestinal decompression or intubation, feeding tube, gastroenterostomy tube, Levine tube, nasogastric tube, single lumen tube with mercury weight balloon for intestinal intubation or decompression, and gastro-urological irrigation tray (for gastrological use).
Special Controls
*Classification.* (1) Class II (special controls). The barium enema retention catheter and tip with or without a bag that is a gastrointestinal tube and accessory or a gastronomy tube holder accessory is exempt from the premarket notification procedures in subpart E of part 807 of this chapter subject to the limitations in § 876.9.(2) Class I (general controls) for the dissolvable nasogastric feed tube guide for the nasogastric tube. The class I device is exempt from the premarket notification procedures in subpart E of part 807 of this chapter subject to § 876.9.
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Image /page/0/Picture/0 description: The image shows the logo of the U.S. Food and Drug Administration (FDA). On the left is the Department of Health and Human Services logo. To the right of that is the FDA logo, with the letters "FDA" in a blue square. Next to that is the text "U.S. FOOD & DRUG ADMINISTRATION" in blue.
January 26, 2024
Boehringer Laboratories Nathan Simasek Project Engineer 300 Thoms Drive Phoenixville, Pennsylvania 19460
Re: K234145
Trade/Device Name: ViSiGi 3D Gastric Sizing Tube Regulation Number: 21 CFR 876.5980 Regulation Name: Gastrointestinal Tube and Accessories Regulatory Class: Class II Product Code: KNT Dated: December 29, 2023 Received: December 29, 2023
Dear Nathan Simasek:
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 (the 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 available 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.
Additional information about changes that may require a new premarket notification are provided in the FDA guidance documents entitled "Deciding When to Submit a 510(k) for a Change to an Existing
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Device" (https://www.fda.gov/media/99812/download) and "Deciding When to Submit a 510(k) for a Software Change to an Existing Device" (https://www.fda.gov/media/99785/download).
Your device is also subject to, among other requirements, the Quality System (QS) regulation (21 CFR Part 820), which includes, but is not limited to, 21 CFR 820.30, Design controls; 21 CFR 820.90, Nonconforming product; and 21 CFR 820.100, Corrective and preventive action. Please note that regardless of whether a change requires premarket review, the QS regulation requires device manufacturers to review and approve changes to device design and production (21 CFR 820.30 and 21 CFR 820.70) and document changes and approvals in the device master record (21 CFR 820.181).
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 of medical device-related adverse events) (21 CFR Part 803) for devices or postmarketing safety reporting (21 CFR Part 4, Subpart B) for combination products (see https://www.fda.gov/combination-products/guidance-regulatoryinformation/postmarketing-safety-reporting-combination-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 Part 4, Subpart A) for combination products; and, if applicable, the electronic product radiation control provisions (Sections 531-542 of the Act); 21 CFR Parts 1000-1050.
Also, please note the regulation entitled, "Misbranding by reference to premarket notification" (21 CFR 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-devicereporting-mdr-how-report-medical-device-problems.
For comprehensive regulatory information about medical devices and radiation-emitting products, including information about labeling regulations, please see Device Advice (https://www.fda.gov/medical-device-advice-comprehensive-regulatory-assistance) and CDRH Learn (https://www.fda.gov/training-and-continuing-education/cdrh-learn).
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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/medicaldevices/device-advice-comprehensive-regulatory-assistance/contact-us-division-industry-and-consumereducation-dice) for more information or contact DICE by email (DICE@fda.hhs.gov) or phone (1-800-638-2041 or 301-796-7100).
Sincerely,
# Anthony Lee -S 2024.01.26 08:50:47 -05'00'
Anthony C. Lee, MBA, PhD 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
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## Indications for Use
Submission Number (if known)
K234145
Device Name
ViSiGi 3D Gastric Sizing Tube
Indications for Use (Describe)
ViSiGi 3D is indicated for use in gastric and bariatric surgical procedures for the application of suction, stomach decompression, drainage of gastric fluids, irrigation, to test for leaks, and to serve as a sizing guide.
Type of Use (Select one or both, as applicable)
Prescription Use (Part 21 CFR 801 Subpart D)
Over-The-Counter Use (21 CFR 801 Subpart C)
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Image /page/4/Picture/1 description: The image shows the Boehringer Ingelheim logo. The logo consists of the word "BOEHRINGER" in red, set inside a blue rectangular box. A registered trademark symbol is located in the upper right corner of the box.
Caring for Lives through Innovation, Quality and Service
## Section 13: Special 510(k) Summary
This Special 510(k) Summary was prepared in accordance with 21 CFR 807.92
## 13.1 Submitter Information
| Date of Submission: | 29th December 2023 |
|---------------------|--------------------------------------------------------------------------------------------------|
| Applicant: | Boehringer Laboratories, LLC<br>300 Thoms Dr<br>Phoenixville, PA 19460<br>United States |
| Official Contact: | Nathan Simasek<br>Project Engineer<br>Phone: (484) 617-1467<br>Email: nsimasek@boehringelabs.com |
## 13.2 Device Information
| Trade Name: | Boehringer Laboratories ViSiGi® 3D |
|------------------------|-------------------------------------------|
| Common Name: | Gastrointestinal tube |
| Device Classification: | Tubes, Gastrointestinal (and Accessories) |
| Regulation: | 21 CFR 876.5980 |
| Product Code: | KNT |
| Class: | II |
## 13.3 Primary Predicate Information
| Trade Name: | Boehringer Laboratories ViSiGi® 3D |
|------------------------|-------------------------------------------|
| Common Name: | Gastrointestinal tube |
| Device Classification: | Tubes, Gastrointestinal (and Accessories) |
| Regulation: | 21 CFR 876.5980 |
| Product Code: | KNT |
| Class: | II |
| 510(k) Clearance: | K130483 |
## 13.4 Reference Device
| Trade Name: | Endolumik Fluorescence Guided Gastric Calibration Tube |
|------------------------|--------------------------------------------------------|
| Common Name: | Gastrointestinal tube and accessories |
| Device Classification: | Tubes, Gastrointestinal (and Accessories) |
| Regulation: | 21 CFR 876.5980 |
| Product Code: | KNT |
| Class: | II |
| 510(k) Clearance: | K222880 |
#### Boehringer Laboratories, LLC
#### Section 13, Page 1
300 Thoms Drive, Phoenixville, PA 19460 • 800-642 • Fax: 610-278-0907 • www.boehringerlabs.com
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Caring for Lives through Innovation. Ouality and Service
### 13.5 Device Description
VISIG1® 3D is a non-sterile, single patient use device comprises a tube with a closed, rounded tip, and holes at the distal end. The tubes are supplied in three separate diameters: 32 French, 36 French, and 40 French. The proximal end of ViSiGi® 3D includes an integral suction regulator and vented On/Off slide valve. The device is supplied packaged in a sealed, labeled, poly bag. A squeeze bulb with an integral pressure gauge that can connect to the proximal end of the ViSiGi® 3D tube is an optional component compatible with the ViSiGi® 3D.
VISIGi® 3D is used during gastric and bariatric surgical procedures to aid the surgeon in modifying the patient anatomy. It is inserted into the stomach via the esophagus under supervision of the surgeon. It may be used to perform the following functions: application of suction, stomach decompression, delivery of fluids, gastric drainage, leak testing, and to serve as a sizing guide.
## 13.6 Intended Use
ViSiGi® 3D is intended for use in gastric and bariatric surgical procedures performed in surgery centers or hospitals. VISiGI® 3D is indicated for the application of suction, stomach decompression, drainage of gastric fluids, irrigation, to test for leaks, and to serve as a sizing guide.
The Inclusion of "to test for leaks" for ViSiGi® 3D differs from the indication cleared for the primary predicate device in Submission K130483 and is the basis of this Special 510(k) submission. "To test for leaks" is included in the indications for use of reference device Endolumik cleared per Submission K222880. Use of ViSiGi® 3D for leak testing allows the surgeon to more efficiently assess staple line integrity intraoperatively and does not impact the procedures overall safety and effectiveness or the intended use of the device to assist in completion of gastric and bariatric surgery.
## 13.7 Technological Characteristics Comparison
VISIGi® 3D is technologically identical to the primary predicate device as no design changes are reguired as a result of this special 510(k). The only change to the device is the addition of "to test for leaks" to the indication for use statement.
| Technical/Performance Characteristics | | | |
|---------------------------------------|----------------------------------------------|----------------------------------------------|------------|
| | ViSiGi® 3D (K13048) | ViSiGi® 3D (proposed modification) | Comparison |
| Outer Diameter/<br>French Size | 32F, 36F, or 40F | 32F, 36F, or 40F | No Change |
| Inner Diameter | 5.1mm, 5.6mm, or 6.4mm | 5.1mm, 5.6mm, or 6.4mm | No Change |
| Length | Approximately 104cm | Approximately 104cm | No Change |
| Tubing | Single lumen with rounded, closed distal end | Single lumen with rounded, closed distal end | No Change |
| Distal Side Holes | Yes | Yes | No Change |
| Connector for Suction | Yes | Yes | No Change |
| Slide Valve | Yes | Yes | No Change |
| Balloon + Inflation Valve | No | No | No Change |
| Tubing Material | SEBS Thermoplastic Elastomer | SEBS Thermoplastic Elastomer | No Change |
#### Technical/Performance Characteristics
Boehringer Laboratories, LLC
#### Section 13, Page 2
300 Thoms Drive, Phoenixville, PA 19460 • 800-642- 4945 • Fax: 610-278-0907 • www.boehringerlabs.com
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Image /page/6/Picture/1 description: The image shows the logo for Boehringer Ingelheim. The logo consists of the word "BOEHRINGER" in red, with a blue border around the word and a registered trademark symbol in the upper right corner. The logo is simple and clean, and the colors are eye-catching.
#### Caring for Lives through Innovation, Quality and Service
| Markings | Yes- 30, 40, and 50cm from distal tip | Yes- 30, 40, and 50cm from distal tip | No Change |
|---------------------------------------|---------------------------------------------|---------------------------------------------|-----------|
| Sterility | Non-sterile, disposable, single patient use | Non-sterile, disposable, single patient use | No Change |
| Internal Support Spring at Distal End | Yes | Yes | No Change |
| Kink Resistant to 90° at Distal End | Yes | Yes | No Change |
### 13.8 Performance Data
The following performance data was collected to support the risk assessment associated with the addition of "to test for leaks" to the indications for use:
- Bulb Compatibility ●
- Bulb Functionality
## 13.9 Conclusion
The proposed addition of "to test for leaks" to the ViSiGi® 3D indications for use does not impact the classification information, intended use for completion of gastric and bariatric surgery, safety and efficacy, or technological characteristics of the primary predicate device cleared per 510(k) 130483.
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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).
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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.
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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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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.
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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.