This device is used for endoscopic histological sampling or electrocoagulation of various tissues, within the gastrointestinal and bronchial tracts, via the operating channel of endoscopic instruments.
Device Story
Disposable Hot Biopsy Forceps; sterile, single-use endoscopic instrument. Consists of flexible wire cable, handle, and jaws (oval or alligator). Operated by physician via endoscope working channel. Delivers monopolar electrical current for tissue sampling or electrocoagulation. Used in gastrointestinal and bronchial tracts. Provides tissue samples for biopsy or achieves hemostasis/tissue destruction via electrocoagulation. Benefits patient by enabling minimally invasive diagnostic and therapeutic procedures.
Clinical Evidence
No clinical data. Bench testing only. Compliance with ISO 10993 (biocompatibility), ISO 11135 (sterilization), and various ASTM standards for packaging integrity (F88, F1929, F1140, F1886) and accelerated aging (F1980).
Technological Characteristics
Monopolar electrosurgical accessory. Components: jaws, spring sheath, handle. Outer diameter 2.3mm; compatible with 2.8mm working channels. Lengths: 1800mm, 2300mm. EO sterilized (SAL 10^-6). Biocompatibility per ISO 10993-1. Packaging integrity per ASTM F88, F1929, F1140, F1886.
Indications for Use
Indicated for endoscopic histological sampling or electrocoagulation of tissues within the gastrointestinal and bronchial tracts. No specific age or gender restrictions provided.
Regulatory Classification
Identification
An endoscopic electrosurgical unit and accessories is a device used to perform electrosurgical procedures through an endoscope. This generic type of device includes the electrosurgical generator, patient plate, electric biopsy forceps, electrode, flexible snare, electrosurgical alarm system, electrosurgical power supply unit, electrical clamp, self-opening rigid snare, flexible suction coagulator electrode, patient return wristlet, contact jelly, adaptor to the cord for transurethral surgical instruments, the electric cord for transurethral surgical instruments, and the transurethral desiccator.
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July 5, 2018
Micro-Tech (Nanjing) CO., Ltd. Becky Li Ouality and Regulatory Affairs Director NO. 10 Gaoke Third Road Nanjing, Jiangsu 210032 China
Re: K180018
Trade/Device Name: Disposable Hot Biopsy Forceps Regulation Number: 21 CFR§ 876.4300 Regulation Name: Endoscopic Electrosurgical Unit and Accessories Regulatory Class: II Product Code: KGE Dated: May 18, 2018 Received: May 21, 2018
Dear Becky Li:
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.
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.
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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 803); good manufacturing practice requirements as set forth in the quality systems (QS) regulation (21 CFR Part 820); and if applicable, the electronic product radiation control provisions (Sections 531-542 of the Act); 21 CFR 1000-1050.
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 http://www.fda.gov/MedicalDevices/Safety/ReportaProblem/default.htm.
For comprehensive regulatory information about mediation-emitting products, including information about labeling regulations, please see Device Advice (https://www.fda.gov/MedicalDevices/DeviceRegulationandGuidance/) and CDRH Learn (http://www.fda.gov/Training/CDRHLearn). 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 (http://www.fda.gov/DICE) for more information or contact DICE by email (DICE@fda.hhs.gov) or phone (1-800-638-2041 or 301-796-7100).
Sincerely,
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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DEPARTMENT OF HEALTH AND HUMAN SERVICES Food and Drug Administration
### Indications for Use
510(k) Number (if known)
K180018
Device Name
Disposable Hot Biopsy Forceps
Indications for Use (Describe)
This device is used for endoscopic histological sampling or electrocoagulation of various tissues, within the gastrointestinal and bronchial tracts, via the operating channel of endoscopic instruments.
| <span></span> Prescription Use (Part 21 CFR 801 Subpart D) | <span></span> Over-The-Counter Use (21 CFR 801 Subpart C) |
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Image /page/3/Picture/1 description: The image shows the logo for Micro-Tech. The logo consists of the letters "MT" in a stylized, three-dimensional font, with the words "MICRO-TECH" to the right of the letters. Below the words "MICRO-TECH" are two Chinese characters. The logo is blue and white.
510K Summary
### 510K Summary
This 510(k) Summary of 510(k) safety and effectiveness information is being submitted in accordance with requirements of SMDA 1990 and Title 21, CFR Section 807.92.
The assigned 510(k) Number: K180018
#### 1. Date of Preparation: 05/08/2018
- 2. Sponsor Identification
# Micro-Tech (Nanjing) Co., Ltd.
No.10 Gaoke Third Road, Nanjing National Hi-Tech, Industrial Development Zone, Nanjing 210032, Jiangsu Province, PRC Establishment Registration Number: 3004837686 Contact Person: Becky Li Position: Quality and Regulatory Affairs Director Tel: +86-25-58646378 Fax: +86-25-58350006 Email: In@micro-tech.com.cn
#### 3. Identification of Proposed Device
Trade Name: Disposable Hot Biopsy Forceps Common Name: Forceps, Biopsy, Electric Classification Name: Endoscopic electrosurgical unit and accessories Classification: 2 Product Code: KGE Requlation Number: 876.4300 Review Panel: Gastroenterology/Urology
#### 4. ldentification of Predicate Device
510(k) Number: K160625 Trade Name: Disposable Hot Biopsy Forceps Common Name: Forceps, Biopsy, Electric
#### 5. Indications for Use
This device is used for endoscopic histological sampling or electrocoagulation of various tissues, within the gastrointestinal and bronchial tracts, via the operating channel of endoscopic instruments.
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### 510K Summary
#### Device Description 6.
The proposed device Disposable Hot Biopsy Forceps is a sterile, single-use endoscopic device, intended to be used for endoscopic histological sampling or electrocoagulation of various tissues, within the gastrointestinal and bronchial tracts, via the operating channel of endoscopic instruments. It consists of a flexible wire cable and jaws which can be opened and closed by a handle. When passed through an endoscope the forceps can be activated to deliver a monopolar electrical current for histological sampling or electrocoagulation with the jaws.
The main component of the proposed device is jaws, spring sheath and handle.
The proposed device has four (4) models, HBF55-11023180 and HBF55-11023230, HBF65-11023180 and HBF65-11023230. HBF65-11023180 and HBF65-11023230 are two new models added. The differences between the two new models and the two approved models (predicate device) are the color of Handle and the jaws. The news models are White-blue Handle and Alligator Forceps; the two approved models are Grey-blue Handle and oval forceps.
The proposed devices are EO sterilized to achieve the Sterility Assurance Level (SAL) of 10 ° and placed in a sterility maintenance package to ensure a shelf life of 3 years.
#### 7. Comparison of Technological Characteristics
The Disposable Hot Biopsy Forceps incorporates substantially equivalent device materials, design, configuration, manufacturing processes, sterilization process and intended use as those featured in.
| Item | Proposed Device<br>Disposable Hot Biopsy<br>Forceps | Predicate Device<br>Disposable Hot Biopsy<br>Forceps (K160625) | Comparison<br>to Predicate<br>Device |
|----------------------------|-----------------------------------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------|--------------------------------------|
| Product Code | KGE | KGE | Same |
| Regulation No. | 876.4300 | 876.4300 | Same |
| Class | 2 | 2 | Same |
| Supplied Sterile | Yes | Yes | Same |
| Jaws Shape | Oval Jaws<br>Alligator Jaws | Oval Jaws | Similar |
| Outer Tube<br>Diameter | 2.3mm | 2.3mm | Same |
| Minimal Working<br>Channel | 2.8mm | 2.8mm | Same |
| Working Length | 1800mm, 2300mm | 1800mm, 2300mm | Same |
| Indications for Use | The device is intended to<br>be used for endoscopic<br>histological sampling or<br>electrocoagulation of<br>various tissues, within the | The device is intended to<br>be used for endoscopic<br>histological sampling or<br>electrocoagulation of<br>various tissues, within the | Same |
### Comparison to predicate Device:
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Image /page/5/Picture/1 description: The image shows the logo for MICRO-TECH. The logo consists of the letters "MT" in a stylized, blue font on the left side of the image. To the right of the letters is the word "MICRO-TECH" in a similar blue font. Below the word "MICRO-TECH" are two Chinese characters.
| Item | Proposed Device<br>Disposable Hot Biopsy<br>Forceps | Predicate Device<br>Disposable Hot Biopsy<br>Forceps (K160625) | 510K Summary<br>Comparison<br>to Predicate<br>Device |
|------------------|----------------------------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------|------------------------------------------------------|
| | the gastrointestinal and<br>bronchial tracts, via the<br>operating channel of<br>endoscopic instruments. | gastrointestinal and<br>bronchial tracts, via the<br>operating channel of<br>endoscopic instruments. | |
| Configuration | Jaws, Spring Sheath,<br>High-Frequency, and<br>Handle | Jaws, Spring Sheath,<br>High-Frequency, and<br>Handle | Same |
| Single Use | Yes | Yes | Same |
| Biocompatibility | Comply with ISO10993-1 | Comply with ISO10993-1 | Same |
| Sterility | Sterility Assurance Level:<br>$10^{-6}$ . | Sterility Assurance Level:<br>$10^{-6}$ . | Same |
| Packaging | Single-use EO sterilized<br>pouch with one device per<br>pouch | Single-use EO sterilized<br>pouch with one device per<br>pouch | Same |
| Shelf Life | Three years | Four years | Different |
Compared to the predicate device, the proposed device is different from the predicate device in the following:
- 1) Add two new models that the Jaws shape is Alligator;
- 2) Change the color of spring tube from blue to Red and add mark;
- 3) Change the packaging, delete the inner plate and add the Jaws protective cap and Fixed Tape.
- Shelf life Change 4)
# 8. Non-Clinical Test
Risk analysis was carried out in accordance with established in-house acceptance criteria based on ISO 14971:2007. Non clinical tests and their acceptance criteria were identified and performed as a result of this risk analysis assessment, the non-clinical tests verify that the proposed device met all acceptance criteria and was Substantially Equivalent (SE) to the predicate device. The test results demonstrated that the proposed device complies with the following standards:
ASTM F88/F88M-15 Standard Test Method For Seal Strength Of Flexible Barrier Materials.
ASTM F1929-15 Standard Test Method For Detecting Seal Leaks In Porous Medical Packaging By Dye Penetration
ASTM F1140/F1140M-13 Standard Test Methods For Internal Pressurization Failure Resistance Of Unrestrained Packages
ASTM F1886/F1886M–16 Standard Test Method for Determining Integrity of Seals for Flexible Packaging by Visual Inspection
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Image /page/6/Picture/1 description: The image shows the logo for MICRO-TECH. The logo consists of the letters "MT" in a stylized, three-dimensional font, with the letters in blue and white. To the right of the letters is the text "MICRO-TECH" in blue, with a horizontal line underneath. Below the line is some Chinese text.
510K Summary
USP 40 - NF35:2017 <71> Sterility Tests
ASTM F1980-16 Standard Guide for Accelerated Aging of Sterile Barrier Systems for Medical Devices
ISO 10993-1:2009 Biological Evaluation Of Medical Devices - Part 1: Evaluation And Testing Within A Risk Management Process
ISO 10993-5: 2009 Biological evaluation of medical devices-Part 5: Tests for in vitro cytotoxicity ISO 10993-10: 2010 Biological evaluation of medical devices-Part 10: Tests for irritation and delayed-type hypersensitivity
ISO 10993-10: 2010 Biological evaluation of medical devices-Part 10: Tests for irritation and delayed-type hypersensitivity
ISO 10993-11: 2006 Biological evaluation of medical devices-Part 11: Tests for systemic toxicity USP 40 NF 35:2017 <151> Pyrogen Test
ISO 11135 Second Edition 2014 Sterilization of health care products - Ethylene oxide -Requirements for development, validation and routine control of a sterilization process for medical devices
#### 9. Clinical Test Conclusion
No clinical study is included in this submission.
### 10. Substantially Equivalent (SE) Conclusion
Based on the indications for use, technological characteristics, and safety and performance testing, the Disposable Hot Biopsy Forceps has been shown to be appropriate for its intended use and is considered to be substantially equivalent to the Disposable Hot Biopsy Forceps cleared under K160625.
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.