Reprocessed Harmonic Shears with Adaptive Tissue Technology (36 cm), Reprocessed Harmonic Shears with Adaptive Tissue Technology (23cm)
K161086 · Sterilmed, Inc. · NUJ · Sep 20, 2016 · General, Plastic Surgery
Device Facts
Record ID
K161086
Device Name
Reprocessed Harmonic Shears with Adaptive Tissue Technology (36 cm), Reprocessed Harmonic Shears with Adaptive Tissue Technology (23cm)
Applicant
Sterilmed, Inc.
Product Code
NUJ · General, Plastic Surgery
Decision Date
Sep 20, 2016
Decision
SESE
Submission Type
Traditional
Regulation
21 CFR 878.4400
Device Class
Class 2
Attributes
Therapeutic, Pediatric
Indications for Use
The Reprocessed Harmonic Shears with Adaptive Tissue Technology are indicated for soft tissue incisions when bleeding control and minimal thermal injury are desired. The instruments can be used as an adjunct to or substitute for electrosurgery, lasers and steel scalpels in general, plastic, gynecologic, urologic, thoracic, exposure to orthopedic structures (such as spine and joint space) and other open and endoscopic procedures.
Device Story
Hand-actuated surgical instrument for grasping, coagulating, and transecting soft tissue; used in open and laparoscopic procedures by surgeons. Device features shaft with rotatable tissue effector; energy delivery via hand activation or generator foot switch. Includes EEPROM memory chip storing device ID, usage tracking, and Adaptive Tissue Technology algorithm parameters. Generator reads EEPROM to modulate power output and provide audible feedback based on blade thermal conditions and tissue presence. Reprocessing involves cleaning, sterilization, and functional testing; limited to one use cycle for shears and five for torque wrench accessories. Benefits include reduced thermal injury and effective bleeding control during surgery.
Clinical Evidence
Bench testing only. No clinical data. Non-clinical testing included cleaning validation, sterilization verification, ethylene oxide residuals (ISO 10993-7), packaging (ASTM D4169, F88, F2096), shelf-life (ASTM 1980-07), and biocompatibility (ISO 10993-1). Functional performance testing included electrical safety, vessel seal burst pressure (static/burst), thermal spread, fluid ingress, pad retention, pad failure, and clamp force.
Technological Characteristics
Hand-actuated electrosurgical instrument with rotatable shaft and tissue effector. Features EEPROM memory chip for generator communication. Power modulation via Adaptive Tissue Technology algorithm. Biocompatibility per ISO 10993-1 for <24h blood contact. Sterilization via ethylene oxide. Packaging standards: ASTM D4169, ASTM F88, ASTM F2096. Shelf-life standard: ASTM 1980-07.
Indications for Use
Indicated for soft tissue incisions requiring bleeding control and minimal thermal injury in general, plastic, pediatric, gynecologic, urologic, thoracic, and orthopedic (spine/joint) open and endoscopic procedures.
Regulatory Classification
Identification
An electrosurgical cutting and coagulation device and accessories is a device intended to remove tissue and control bleeding by use of high-frequency electrical current.
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Image /page/0/Picture/1 description: The image shows the logo for the U.S. Department of Health & Human Services. The logo consists of a circular seal with the words "DEPARTMENT OF HEALTH & HUMAN SERVICES - USA" arranged around the perimeter. Inside the circle is a stylized image of three human profiles facing to the right, with a triple-line design representing the bodies.
Food and Drug Administration 10903 New Hampshire Avenue Document Control Center - WO66-G609 Silver Spring, MD 20993-0002
September 20, 2016
Sterilmed, Inc. Ms. Neelu Gibson Senior Director, Regulatory Affairs 5010 Cheshire Parkway, Suite 2 Plymouth, Minnesota 55446
Re: K161086
Trade/Device Name: Reprocessed Harmonic Shears with Adaptive Tissue Technology (36 cm), Reprocessed Harmonic Shears with Adaptive Tissue Technology (23cm) Regulation Number: 21 CFR 878.4400 Regulation Name: Electrosurgical cutting and coagulation device and accessories Regulatory Class: Class II Product Code: NUJ Dated: August 19, 2016 Received: August 22, 2016
Dear Ms. Gibson:
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. 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
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related adverse events) (21 CFR Part 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 Parts 1000-1050.
If you desire specific advice for your device on our labeling regulation (21 CFR Part 801), please contact the Division of Industry and Consumer Education at its toll-free number (800) 638-2041 or (301) 796-7100 or at its Internet address
http://www.fda.gov/MedicalDevices/ResourcesforYou/Industry/default.htm. 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 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 Industry and Consumer Education at its toll-free number (800) 638-2041 or (301) 796-7100 or at its Internet address
http://www.fda.gov/MedicalDevices/ResourcesforYou/Industry/default.htm.
Sincerely yours,
# Christopher J. Ronk -S
For Binita S. Ashar, M.D., M.B.A., F.A.C.S. Director Division of Surgical Devices Office of Device Evaluation Center for Devices and Radiological Health
Enclosure
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### Indications for Use
510(k) Number (if known) K161086
#### Device Name
Reprocessed Harmonic Shears with Adaptive Tissue Technology (36 cm), Reprocessed Harmonic Shears with Adaptive Tissue Technology (23 cm)
Indications for Use (Describe)
The Reprocessed Harmonic Shears with Adaptive Tissue Technology are indicated for soft tissue incisions when bleeding control and minimal thermal injury are desired. The instruments can be used as an adjunct to or substitute for electrosurgery, lasers and steel scalpels in general, plastic, gynecologic, urologic, thoracic, exposure to orthopedic structures (such as spine and joint space) and other open and endoscopic procedures.
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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### K161086 Device Name and Model Numbers
| Device Name | Model Number |
|------------------------------------------------------------------------------------------------|--------------|
| Reprocessed Harmonic ACE®+ Shears, 5 mm Diameter, 23cm Length, With Adaptive Tissue Technology | HAR23R |
| Reprocessed Harmonic ACE®+ Shears, 5 mm Diameter, 36cm Length, With Adaptive Tissue Technology | HAR36R |
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Image /page/4/Picture/0 description: The image shows the logo for STERILMED. The logo consists of a stylized green and blue circular arrow on the left, followed by the word "STERILMED" in black and light blue lettering. The first part of the word, "STERIL", is in black, while the "MED" is in a lighter blue color.
# K161086
## 510(k) SUMMARY
| Submitter and<br>Manufacturer: | Sterilmed, Inc.<br>5010 Cheshire Parkway N, Suite 2<br>Plymouth, MN 55446<br>www.sterilmed.com |
|------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| Official<br>Correspondent: | Neelu Gibson<br>Sr. Director, Regulatory Affairs (RAC)<br>Sterilmed, Inc.<br>Tel: 908-705-3160<br>Fax: 763-488-4576<br>Email: ngibson9@its.jnj.com |
| Date of<br>Submission: | 15 March 2016 |
| Trade Name: | Reprocessed Harmonic Shears with Adaptive Tissue Technology (23 cm),<br>Reprocessed Harmonic Shears with Adaptive Tissue Technology (36 cm) |
| Common Name: | Reprocessed Harmonic Shears with Adaptive Tissue Technology |
| 510(k) Number: | K161086 |
| Device<br>Classification: | Name: Electrosurgical cutting and coagulation device and accessories.<br>Regulation: 21CFR 878-4400<br>Pro Code: NUJ<br>Class: Class II |
| Predicate Device: | Harmonic ACE Shears + Adaptive Tissue Technology (K121550). |
| Device<br>Description: | The Reprocessed Harmonic Shears with Adaptive Tissue Technology are<br>used for coagulation and mechanical transection of soft tissue during<br>laparoscopic and open procedures. The devices allow the surgeon to<br>grasp, coagulate and transect soft tissue with a single instrument. The<br>devices are hand-actuated with shaft and tissue effector that can be rotated.<br>The energy delivery can be activated with hand activation or with an<br>optional generator foot switch.<br>The device includes a torque wrench as an accessory piece (the torque<br>wrench is designed to ensure that the hand piece is properly secured to the<br>device. |
| Indications<br>for Use: | The Reprocessed Harmonic Shears with Adaptive Tissue Technology are<br>indicated for soft tissue incisions when bleeding control and minimal<br>thermal injury are desired. The instruments can be used as an adjunct to<br>or substitute for electrosurgery, lasers and steel scalpels in general, plastic,<br>pediatric, gynecologic, urologic, thoracic, exposure to orthopedic<br>structures (such as spine and joint space) and other open and endoscopic<br>procedures. |
| Technological<br>Characteristics: | The reprocessed Harmonic Shears with Adaptive Tissue Technology have<br>the same technological and performance characteristics as the predicate<br>devices, K121550. The reprocessed Harmonic Shears with Adaptive<br>Tissue Technology incorporate an ergonomic handle and tapered blade<br>geometry. Similar to the predicate models, each of these reprocessed<br>devices includes an EEPROM memory chip that stores device<br>identification, usage tracking, and operating parameters for use by the<br>Ethicon Endo-Surgery, Inc. Generator 11 generator that provides power<br>for the devices. |
| | Adaptive Tissue Technology refers to the power output algorithm that is<br>utilized by the devices. During use, the Adaptive Tissue Technology<br>algorithm parameters stored on the device EEPROM are read by the<br>generator and used to reduce the power (current) to the instrument and<br>provide a secondary, higher pitched generator activation tone when there<br>is little or no tissue between the instrument blade and tissue pads. To do<br>this the generator monitors the thermal condition of the blade during<br>device activation. |
| Functional<br>and Safety<br>Testing: | Representative samples of reprocessed devices were tested to<br>demonstrate appropriate functional characteristics. Process validation<br>testing was performed to validate the cleaning and sterilization<br>procedures as well as device packaging. In addition, the manufacturing<br>process includes visual and validated functional testing of all products<br>produced. Where appropriate prior validation testing of previously<br>cleared Reprocessed Harmonic Shears (K132566) was utilized for the<br>same reprocessing procedures, equipment, and sterilization processing.<br>The Reprocessed Harmonic Shears with Adaptive Tissue Technology are<br>reprocessed no more than one (1) time. The torque wrench accessories<br>are reprocessed no more than five (5) times. Each device and accessory<br>is marked and tracked through the reprocessing cycle. After the device<br>or torque wrench has reached the maximum number of reprocessing<br>cycles, one and five, respectively, it is rejected from further reprocessing. |
| Summary of<br>Non-Clinical<br>Tests Conducted: | Specific non-clinical tests performed included: cleaning validation,<br>sterilization verification, ethylene oxide residual testing (ISO 10993-7),<br>packaging validation (ASTM D4169, ASTM F88, ASTM F2096), and<br>shelf-life validation (ASTM 1980-07). In addition, validation of<br>functional performance (bench testing) was performed through simulated Electrical Safety Device Functionality Vessel Seal Burst (Static and Burst Pressure) Vessel Seal Thermal Spread Drop Fluid Ingress Pad Retention Pad Failure Clamp Force |
| | Performance testing shows the reprocessed Harmonic Shears with<br>Adaptive Tissue Technology to perform as originally intended.<br>In addition, the device was tested for biocompatibility per ISO 10993-<br>1 for short duration contact with blood (<24 hours). Biocompatibility<br>testing included:<br>Cytotoxicity Sensitization Irritation/Intracutaneous Reactivity Acute Systemic Toxicity Hemocompatability Chemical Pyrogens Hemolysis Immune Response |
| Conclusion: | Sterilmed conducted performance testing (described above) for the<br>Reprocessed Harmonic Shears with Adaptive Tissue Technology (23 cm<br>and 36 cm) against the OEM predicate devices, Harmonic ACE Shears +<br>Adaptive Tissue Technology, Models HAR23 and HAR36 (K121550).<br>Results demonstrated substantial equivalence to the predicate devices<br>with respect to safety and effectiveness.<br>Sterilmed therefore concludes that the Reprocessed Harmonic Shears with<br>Adaptive Tissue Technology (23 cm, 36 cm) are safe, effective, and<br>substantially equivalent to the predicate devices, Harmonic ACE Shears +<br>Adaptive Tissue Technology, Models HAR23 and HAR36 (K121550) |
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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.