The Boehringer Laboratories Gastric Sizing Tube is indicated for use in gastric and bariatric surgical procedures for the application of suction, stomach decompression, drainage of gastric fluids, irrigation and to serve as a sizing guide.
Device Story
Single-patient use, non-sterile gastric sizing tube; 76 cm length; 32F, 36F, or 40F diameters. Constructed of thermoplastic elastomer (SEBS) with LDPE slide valve-connector and internal stainless steel support spring at distal end. Used in surgery centers/hospitals by physicians during bariatric/gastric procedures. Device inserted into stomach; slide valve allows clinician to toggle between suction/irrigation and closed/vent states. Distal holes facilitate decompression and fluid drainage. Internal spring provides kink resistance. Serves as sizing guide for gastric pouch formation. Output is mechanical fluid management and physical sizing reference; aids clinical decision-making regarding pouch size and gastric decompression.
Clinical Evidence
Bench testing only. Testing included dimensional analysis, valve-connector to tube joint strength, distal end kink test, support spring stability, age testing, and ISO 80369-1 compliance. Biocompatibility testing performed per AAMI/ANSI/ISO 10993-5 (cytotoxicity) and 10993-10 (irritation and sensitization).
Technological Characteristics
Thermoplastic elastomer (SEBS) tube; LDPE slide valve-connector; stainless steel support spring. 76 cm length; 32F, 36F, 40F sizes. Single lumen; rounded closed distal end with side holes. Non-sterile, single-patient use. Mechanical operation; no energy source. Biocompatible materials.
Indications for Use
Indicated for individuals undergoing gastric and bariatric surgical procedures requiring stomach decompression, drainage of gastric fluids, irrigation, or use 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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# 4. 510(k) Summary
Prepared: February 11, 2013
## APPLICANT INFORMATION:
MAR 2 8 2013
Name: Address:
Boehringer Laboratories, Inc. 300 Thoms Drive Phoenixville, PA 19460
ﺮ ﺑ
Phone: Fax: Contact: 610-278-0900 610-278-0907 Christopher Radl; Engineering, Product Development Manager
Signature:
# TRADE NAME:
Boehringer Laboratories Gastric Sizing Tube
# COMMON NAME:
Gastrointestinal Tube and accessories
## DEVICE CLASSIFICATION:
Class II Product Code: KNT Requlation: 876.5980 Classification Panel: General & Plastic Surgery
# PREDICATE DEVICES:
REALIZE™ Gastric Calibration Tube EndoFLIP® Gastric Tube EF-900
K071764 K110529
## DEVICE DESCRIPTION:
The Boehringer Laboratories Gastric Sizing Tube is a single patient use, non-sterile device which consists of a 76 cm long, thermoplastic elastomer (Styrene-Ethylene-Styrene) tube of either 32 French, 36 French, or 40 French diameter, with a low density polyethylene (LDPE) slide valve-connector at the proximal end of the tube. The tube has multiple holes and a rounded end, distal from the slide valve, and contains a stainless steel support spring inside the lumen of the tube at the distal end.
The device is used to decompress the stomach contents, and allow for irrigation via the distal holes. The slide valve is used to switch between open for suction/irrigation and closed/vent. The tube serves as a sizing guide.
#### INTENDED USE:
The Boehringer Laboratories Gastric Sizing Tube is indicated for use in gastric and bariatric surgical procedures for the application of suction, stomach decompression, drainage of gastric fluids, irrigation and to serve as a sizing guide.
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# COMPARISON SUMMARY
・・
| Device | Boehringer Laboratories Gastric<br>Sizing Tube | Predicate REALIZET™ Gastric<br>Calibration Tube K071764 | Predicate EndoFLIP® Gastric Tube<br>EF-900 K110529 |
|---------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| Manufacturer | Boehringer Laboratories | Obtech Medical Sarl / Ethicon Endo-<br>Surgery Inc | Crospon |
| Intended Use | | | |
| Indications for<br>Use Statement | The Boehringer Laboratories Gastric<br>Sizing Tube is indicated for use in<br>gastric and bariatric surgical<br>procedures for the application of<br>suction, stomach decompression,<br>drainage of gastric fluids, irrigation<br>and to serve as a sizing guide. | The Gastric Calibration tube is<br>indicated for use in gastric and<br>bariatric surgical procedures to<br>provide visible and tactile delineation<br>of the antrum of the stomach along<br>with the ability to decompress the<br>stomach, drain and remove gastric<br>fluid and size a gastric pouch. | The EndoFLIP® EF-900 Gastric<br>Tube is intended for use in bariatric<br>surgical procedures to provide a<br>sized support bougie, and to permit<br>stomach decompression, gastric<br>fluid drainage and removal. It is also<br>intended for use to aid deployment<br>of EndoFLIP® EF-620, EF-325 and<br>B-325 catheters. |
| Typical Use | Gastric and bariatric procedures | Gastric and bariatric procedures | Gastric and bariatric procedures |
| Environments of<br>Use | Surgery centers, hospitals | Surgery centers, hospitals | Surgery centers, hospitals |
| Patient Population | Individuals undergoing bariatric<br>and/or gastric procedures | Individuals undergoing bariatric<br>and/or gastric procedures | Individuals undergoing bariatric<br>and/or gastric procedures |
| Intraoperative Use | Yes | Yes | Yes |
| Functions | Suction, drainage, sizing, irrigation | Suction, drainage, sizing, irrigation | Suction, drainage, sizing, irrigation,<br>deployment of EndoFLIP® catheter |
| Technical/Performance Characteristics | | | |
| Outer Diameter /<br>French size | 32F, 36F, or 40F | 38F | 43F |
| Length | 76 cm | 74.5 cm | 75 cm |
| Tubing | Single lumen with rounded, closed<br>distal end | Single lumen with rounded, closed<br>distal end | Single lumen with open distal end |
| Distal Side Holes | Yes | Yes | Yes |
| Connector for<br>Suction | Yes | No | Yes |
| Slide Valve | Yes | No | No |
| Balloon + Inflation<br>Valve | No | Yes | No |
| Tubing Material | Styrene-Ethylene-Butylene-Styrene<br>(SEBS Co-polymer) | Silicone | PVC with Duraglide PTFE coating |
| Markings | No markings. | Markings are provided with the zero<br>reference located approximately 40<br>cm from the proximal end of the<br>balloon. | Includes a mark at 20 cm and 70 cm<br>from the distal end. |
| Sterility | Supplied non-sterile, disposable,<br>single patient use | Supplied non-sterile, disposable,<br>single patient use | Supplied non-sterile, disposable,<br>single patient use |
# PERFORMANCE/NON-CLINICAL TESTING:
The following non-clinical performance testing has been submitted, referred to, or relied on in this 510k submission:
- . Dimensional Analysis
- . Valve-Connector to Tube Joint Strength Test
- . Tube Distal End Kink Test
- Support Spring to Tube Stability Test .
- . Age Test
- ISO 80369-1:2010 Small-bore connectors for liquids and gases in healthcare applications Part � 1: General Requirements Compliance
- . Suction Tubing Fitting Connector Test
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- Cytotoxicity study per AAMI/ANSI/ISO 10993-5: 2009 Biological Evaluation of Medical Devices . Part 5: Tests for in vitro cytotoxicity.
- Intracutaneous study per AAMI/ANSI//SO 10993-10: 2010 Biological Evaluation of Medical . Devices Part 10: Tests for irritation and skin sensitization.
- . Maximization Sensitization study per AAMI/ANSI/ISO 10993-10: 2010 - Biological Evaluation of Medical Devices Part 10: Tests for irritation and skin sensitization.
# DISCUSSION:
i'
The Boehringer Laboratories Gastric Sizing Tube is similar to the predicate devices REALIZE™ Gastric Calibration Tube and EndoFLIP® Gastric Tube EF-900.
#### Intended Use
The indications for use statement for the Boehringer Laboratories Gastric Sizing Tube contains language that is not specifically incorporated in the indications for use statements of the predicate device. Specifically the Boehringer Laboratories Gastric Sizing Tube indication for use statement includes "for the application of suction" and "irrigation".
While the exact text "for the application of suction" is not specifically included in the Indications for Use statements of the predicate devices it is inherent in the functions of stomach decompression and removal of gastric fluid, which are included in the indication for use statements of the predicate devices. Additionally, suction is referred to in the description section of the 510k Summary for the REALIZE™ Gastric Calibration Tube and the description section of the REALIZE™ Gastric Calibration Tube Instructions for Use, as well as in the Device Description section of the EndoFLIP® Gastric Tube EF-900 510k summary.
While "irrigation" is not specifically included in the Indications for Use statements of the predicate devices, it is specifically covered in the Description Section of the 510k Summary for the REALIZE™ Gastric Calibration Tube and the Description Section of the REALIZE™ Gastric Calibration Tube Instructions for use, as well as in the Device Description section of the EndoFLIP® Gastric Tube EF-900 510k summary.
As such, these differences do not affect the safety and effectiveness of the new device when used as labeled.
#### Technical Characteristics
The Boehringer Laboratories Gastric Sizing Tube has technological characteristics similar to the predicate devices. The tubes are made from different materials, however, the materials of the Boehringer Laboratories Gastric Sizing Tube and the predicate devices are all biocompatible. The Boehringer Laboratories Gastric Sizing Tube includes a slide valve, while the predicate devices do not. The slide valve enables the user to more easily turn suction on and off. The predicate devices include markings on the tube, while the Boehringer Laboratories Gastric Sizing Tube does not, as it is inserted under laparoscopic visualization. Lastly, the Boehringer Laboratories Gastric Sizing Tube includes an internal support spring at the distal end which provides the device with increased resistance to kinking. These differences do not affect the safety and effectiveness of the new device when used as labeled.
#### Performance Testing
The performance testing conducted with the Boehringer Laboratories Gastric Sizing Tube referenced above indicates the new device performs equivalently to, or better than the predicate devices.
#### CONCLUSION:
As evidenced from the intended use, technological characteristics, and performance testing conducted, the Boehringer Laboratories Gastric Sizing Tube is as safe, as effective, and performs as well as the predicate devices.
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Image /page/3/Picture/1 description: The image shows the logo for the U.S. Department of Health & Human Services. The logo features a stylized eagle with three stripes forming its wing and tail feathers. The words "DEPARTMENT OF HEALTH & HUMAN SERVICES - USA" are arranged in a circular pattern around the eagle.
Food and Drug Administration 10903 New Hampshire Avenue Document Control Center - WO66-G609 Silver Spring, MD 20993-0002
March 28, 2013
BOEHRINGER LABORATORIES, INC. % Mr. Mark Job Responsible Third Party Official Regulatory Technology Services, LLC 1394 25th Street NW BUFFALO MN 55313
Re: K130483
Trade/Device Name: Boehringer Laboratories Gastric Sizing Tube Regulation Number: 21 CFR§ 876.5980 Regulation Name: Gastrointestinal tube and accessories Regulatory Class: II Product Code: KNT Dated: March 14, 2013 Received: March 15, 2013
Dear Mr. Job:
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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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 vours.
HerbertP.Lerner-S
Acting Director for: Benjamin R. Fisher, Ph.D. Director Division of Reproductive. Gastro-Renal. and Urological Devices Office of Device Evaluation Center for Devices and Radiological Health
Enclosure
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# 3. Indications for Use Form
510(k) Number (if known): _ K130483
Device Name: Boehringer Laboratories Gastric Sizing Tube Indications for Use:
The Boehringer Laboratories Gastric Sizing Tube is indicated for use in gastric and bariatric surgical procedures for the application of suction, stomach decompression, drainage of gastric fluids, irrigation and to serve as a sizing guide.
Prescription Use × (Part 21 CFR 801 Subpart D)
AND/OR
Over-The-Counter Use (21 CFR 801 Subpart C)
(PLEASE DO NOT WRITE BELOW THIS LINE-CONTINUE ON ANOTHER PAGE OF NEEDED)
Concurrence of CDRH, Office of Device Evaluation (ODE)
Image /page/5/Picture/9 description: The image shows the text "Herbert P. Lerner -S" in a simple, sans-serif font. The text is arranged horizontally, with the name "Herbert P. Lerner" appearing prominently. The "P." is stylized with a circular design around it. The "-S" is smaller and slightly offset to the right of the name.
(Division Sign-Off) Division of Reproductive, Gastro-Renal, and Urological Devices K130483 510(k) Number _
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.