K210752 · Devicor Medical Products, Inc. · NEU · Apr 14, 2021 · General, Plastic Surgery
Device Facts
Record ID
K210752
Device Name
HydroMARK Breast Biopsy Site Marker
Applicant
Devicor Medical Products, Inc.
Product Code
NEU · General, Plastic Surgery
Decision Date
Apr 14, 2021
Decision
SESE
Submission Type
Special
Regulation
21 CFR 878.4300
Device Class
Class 2
Attributes
Pediatric
Indications for Use
The HydroMARK Breast Biopsy Site Marker is intended to mark tissue during a percutaneous breast biopsy procedure, be visible under ultrasound for at least 6 weeks, and be permanently visible by x-ray and MRI.
Device Story
HydroMARK Breast Biopsy Site Marker is a two-component implantable device for marking breast biopsy sites. Components include a resorbable, highly expandable solid cylinder of polymerized/desiccated hydrogel and an embedded metallic wire coil (Titanium or Stainless Steel). The device is supplied pre-loaded in a sterile, disposable applicator compatible with biopsy devices. During percutaneous biopsy, the marker is deployed into the cored-out space; the hydrogel expands upon fluid contact to conform to the site, providing ultrasound visibility for at least 6 weeks. The metallic coil provides permanent identification under X-ray and MRI. The device is used in clinical settings by physicians. It remains in the body unless the marked tissue is surgically removed. The device aids in long-term localization of biopsy sites for clinical follow-up.
Clinical Evidence
Bench testing only. No clinical data provided. Substantial equivalence is supported by document analysis of labeling modifications and verification of design/functional requirements.
Technological Characteristics
Implantable radiographic marker. Materials: polymerized/desiccated hydrogel, Titanium or Stainless Steel wire coil. Delivery: sterile, disposable applicator (flexible or rigid cannula). Sterilization: ETO. Standards: ISO 13485:2016, ISO 14971:2007. No software or electronic components.
Indications for Use
Indicated for marking tissue during percutaneous breast biopsy procedures in patients 12 years of age and older. Contraindicated for use in infected areas, patients with known nickel allergies (for stainless steel markers), and patients with known allergies to poly (ethylene glycol), poly (trimethylene carbonate), and acrylate-capped poly (L-lactide).
Regulatory Classification
Identification
An implantable clip is a clip-like device intended to connect internal tissues to aid healing. It is not absorbable.
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April 14, 2021
Devicor Medical Products, Inc. Diane Sung Senior Regulatory Affairs Associate 300 E-Business Way, Fifth Floor Cincinnati, Ohio 45241
Re: K210752
Trade/Device Name: HydroMARK Breast Biopsy Site Marker Regulation Number: 21 CFR 878.4300 Regulation Name: Implantable Clip Regulatory Class: Class II Product Code: NEU Dated: March 12, 2021 Received: March 15, 2021
Dear Diane Sung:
We have reviewed your Section 510(k) premarket notification of intent to market the device referenced above and have determined the device is substantially equivalent (for the indications for use stated in the enclosure) to legally marketed predicate devices marketed in interstate commerce prior to May 28, 1976, the enactment date of the Medical Device Amendments, or to devices that have been reclassified in accordance with the provisions of the Federal Food, Drug, and Cosmetic Act (Act) that do not require approval of a premarket approval application (PMA). You may, therefore, market the device, subject to the general controls provisions of the Act. Although this letter refers to your product as a device, please be aware that some cleared products may instead be combination products. The 510(k) Premarket Notification Database located at https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfpmn/pmn.cfm identifies combination product submissions. The general controls provisions of the Act include requirements for annual registration, listing of devices, good manufacturing practice, labeling, and prohibitions against misbranding and adulteration. Please note: CDRH does not evaluate information related to contract liability warranties. We remind you, however, that device labeling must be truthful and not misleading.
If your device is classified (see above) into either class II (Special Controls) or class III (PMA), it may be subject to additional controls. Existing major regulations affecting your device can be found in the Code of Federal Regulations, Title 21, Parts 800 to 898. In addition, FDA may publish further announcements concerning your device in the Federal Register.
Please be advised that FDA's issuance of a substantial equivalence determination does not mean that FDA has made a determination that your device complies with other requirements of the Act or any Federal statutes and regulations administered by other Federal agencies. You must comply with all the Act's requirements, including, but not limited to: registration and listing (21 CFR Part 807); labeling (21 CFR Part
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801); medical device reporting of medical device-related adverse events) (21 CFR 803) for devices or postmarketing safety reporting (21 CFR 4, Subpart B) for combination products (see https://www.fda.gov/combination-products/guidance-regulatory-information/postmarketing-safety-reportingcombination-products); good manufacturing practice requirements as set forth in the quality systems (QS) regulation (21 CFR Part 820) for devices or current good manufacturing practices (21 CFR 4, Subpart A) for combination products; and, if applicable, the electronic product radiation control provisions (Sections 531-542 of the Act); 21 CFR 1000-1050.
Also, please note the regulation entitled, "Misbranding by reference to premarket notification" (21 CFR Part 807.97). For questions regarding the reporting of adverse events under the MDR regulation (21 CFR Part 803), please go to https://www.fda.gov/medical-device-safety/medical-device-reportingmdr-how-report-medical-device-problems.
For comprehensive regulatory information about medical devices and radiation-emitting products, including information about labeling regulations, please see Device Advice (https://www.fda.gov/medicaldevices/device-advice-comprehensive-regulatory-assistance) and CDRH Learn (https://www.fda.gov/training-and-continuing-education/cdrh-learn). Additionally, you may contact the Division of Industry and Consumer Education (DICE) to ask a question about a specific regulatory topic. See the DICE website (https://www.fda.gov/medical-device-advice-comprehensive-regulatoryassistance/contact-us-division-industry-and-consumer-education-dice) for more information or contact DICE by email (DICE(@fda.hhs.gov) or phone (1-800-638-2041 or 301-796-7100).
Sincerely,
# Cindy Chowdhury -S
Cindy Chowdhury, Ph.D., M.B.A. Assistant Director DHT4B: Division of Infection Control and Plastic Surgery Devices OHT4: Office of Surgical and Infection Control Devices Office of Product Evaluation and Quality Center for Devices and Radiological Health
Enclosure
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# Indications for Use
510(k) Number (if known) K210752
Device Name HydroMARK Breast Biopsy Site Marker
Indications for Use (Describe)
The HydroMARK Breast Biopsy Site Marker is intended to mark tissue during a percutaneous breast biopsy procedure, be visible under ultrasound for at least 6 weeks, and be permanently visible by x-ray and MRI.
| Type of Use (Select one or both, as applicable) |
|-------------------------------------------------|
|-------------------------------------------------|
| <div> <span> <span style="font-size:16px">✖</span> Prescription Use (Part 21 CFR 801 Subpart D) </span> </div> |
|-----------------------------------------------------------------------------------------------------------------------|
| <div> <span> <span style="font-size:16px">☐</span> Over-The-Counter Use (21 CFR 801 Subpart C) </span> </div> |
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Image /page/3/Picture/1 description: The image shows the logo for Devicor Medical Products, Inc. The logo features a stylized, light blue graphic element resembling two crescent shapes facing each other, flanking the word "DEVICOR" in bold, black sans-serif font. Below "DEVICOR" are the words "MEDICAL PRODUCTS, INC." in a smaller, lighter font. A registered trademark symbol appears next to the "R" in "DEVICOR".
#### 510(k) Summary
#### I. SUBMITTER [Per 807.92(a)(1)]
#### Sponsor/Manufacturer
Devicor Medical Products, Inc. 300 E-Business Way, Fifth Floor Cincinnati, OH 45241 Establishment Registration Number: 3008492462
#### Contact Person
Diane Sung Senior Regulatory Affairs Associate Devicor Medical Products, Inc. 300 E-Business Way, Fifth Floor Cincinnati, OH 45241 Ph: 513-894-2931 Fax: 513-864-9011 E-mail: Diane.Sung@mammotome.com
#### Date Prepared
March 12, 2021
#### II. DEVICE [Per 807.92(a)(2)]
| Device Trade/Proprietary Name | HydroMARK Breast Biopsy Site Marker |
|----------------------------------|--------------------------------------------------------------------------------------------------------|
| Regulation Description | Implantable Clip |
| Device Common or Usual Name | Marker, Radiographic, Implantable |
| Device Regulatory Classification | Class II |
| Device Classification Regulation | 21 CFR §878.4300 |
| Product Code | (NEU) - Marker, Radiographic, Implantable |
| Submission Type | Special 510(k) Premarket Notification |
| Classification Panel | General & Plastic Surgery |
| Premarket Review | Surgical and Infection Control Devices (OHT4)<br>Infection Control and Plastic Surgery Devices (DHT4B) |
#### III. PREDICATE DEVICE [Per 807.92(a)(3)]
The Devicor Medical Products, Inc. HydroMARK Breast Biopsy Site Marker [subject device] is substantially equivalent (SE) to the Sponsor's own predicate devices:
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| Predicate<br>Device | • Devicor Medical Products Inc. HydroMARK Breast Biopsy Site Marker<br>(K121113) [predicate device]<br>• Devicor Medical Products Inc. HydroMARK Breast Biopsy Site Marker<br>(K130537) [reference device]<br>• Devicor Medical Products Inc. HydroMARK Breast Biopsy Site Marker<br>(K161021) [reference device] |
|---------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| | The Devicor Medical Products, Inc. HydroMARK Breast Biopsy Site Marker [subject<br>device] is substantially equivalent (SE) to the Devicor Medical Products Inc.<br>HydroMARK Breast Biopsy Site Marker (K121113) [predicate devices] and the Devicor<br>Medical Products, Inc. HydroMARK Breast Biopsy Site Marker (K130537 and K161021)<br>[reference devices] in terms of the identical indications for use / intended use to mark<br>tissue during a percutaneous breast biopsy procedure, be visible under ultrasound for<br>at least 6 weeks, and be permanently visible by x-ray and MRI. |
| | • Substantial equivalency (SE) of the subject device has also been based on<br>substantially equivalent design, functionality, and performance characteristics<br>as the predicate device and reference devices. |
#### IV. DEVICE DESCRIPTION [Per 807.92(a)(4)]
The HydroMARK Breast Biopsy Site Marker [subject device] is a two-component marker that provides permanent marking of a breast biopsy site; a resorbable hydrogel component and a metallic component, and is not intended to be removed unless the marked tissue is determined to require surgical removal. The marker is supplied pre-loaded in a sterile, disposable applicator that is compatible with specified commercially available biopsy devices.
The HydroMARK Breast Biopsy Site Marker is a resorbable component that is a highly expandable solid cylinder of polymerized and desiccated hydrogel. The hydrogel has features that are unique and highly desirable for breast tissue marking. The hydrogel material expands with fluid contact and is then resorbed by the body over time. Since the hydrogels absorb fluid, they are readily visible by ultrasound imaging. During a breast biopsy procedure, the marker is deployed through a delivery tool into the cored-out space created by a breast biopsy device. Upon expansion, the hydrogel fills the space and conforms to the site of biopsy. Embedded in the hydrogel is a coiled metallic wire made of Titanium or Stainless Steel. The wire is coiled into loops to provide a unique identifier under ultrasound, x-ray, and MRI imaging. The embedded metallic wire coil is visible under ultrasound for up to 6 weeks and is permanently visible under X-ray and MRI.
This Special 510(k) is being submitted for modifications to the labeling of the cleared devices, HydroMARK Breast Biopsy Site Marker (K12113) [predicate device] and HydroMARK Breast Biopsy Site Marker (K130537 and K161021) [reference devices]. The fundamental scientific technology of the HydroMARK Breast Biopsy Site Markers has not changed. There are no changes to the supplier of the hydrogel material, or other materials of construction. There are no changes to the finished product manufacturing site. There are no changes to the sterilization and method, no changes to packaging, no changes to shelf-life, and no changes to indications for use or intended use.
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Changes to the labeling include the modifications to the User Instructions & Operations Guide, Deployment Guide, Safety and Precautions Booklet, and packaging labels mentioned below:
- . Modifying the predicate User Instructions & Operations Guide from 1 summative to 7 productbased User Instructions & Operations Guides;
- . Creating a Safety and Precautions Booklet, and label modifications to transition the predicate User Instructions & Operations Guide to an electronic version;
- . Updating translations and symbols in the deployment guide;
- . Updating labels to be more descriptive with marker shape names to match how each device is marketed, adding the manufacturing date, and changing from a barcode to a data matrix Unique Device Identifier (UDI);
- . Combining package and variable labels for cost savings;
- . Adding a contraindication to the predicate User Instructions & Operations Guide that the marker should not be implanted in infected areas;
- . Adding a contraindication to the predicate User Instructions & Operations Guide that the physician should not use the Stainless Steel markers on patients with known nickel allergies.
- O Adding "Contains Nickel" symbols to the labels of the Stainless Steel markers.
- O Adding "Does Not Contain Nickel" symbols to the labels of the Titanium markers.
- . Adding a contraindication to the predicate User Instructions & Operations Guide that the marker is not intended for the pediatric population under twelve years of age;
- . Adding a contraindication to the predicate User Instructions & Operations Guide that the marker should not be used on patients with known allergies to poly (ethylene glycol), poly (trimethylene carbonate), and acrylate-capped poly (L-lactide);
- . Adding an Adverse Reactions section to the predicate User Instructions & Operations Guide;
- . Removing the Caution section from the predicate User Instructions & Operations Guide and transferring all the information to a new Warnings Section.
- . Updating the MR Safety Information section of the predicate User Instructions & Operations Guide to include MR Image Artifact.
# IV. INTENDED USE / INDICATIONS FOR USE [Per 807.92(a)(5)]
The intended use and the indications for use are the same for the HydroMARK Breast Biopsy Site Marker [subject device] and the Devicor Medical Products Inc. HydroMARK Breast Biopsy Site Marker (K121113) [predicate device] and the Devicor Medical Products Inc. HydroMARK Breast Biopsy Site Marker (K130537 and K161021) [reference devices].
The HydroMARK Breast Biopsy Site Marker is intended to mark tissue during a percutaneous breast biopsy procedure, be visible under ultrasound for at least 6 weeks, and be permanently visible by x-ray and MRI.
# V. COMPARISON OF TECHNOLOGICAL CHARACTERISTICS WITH THE PREDICATE DEVICE [Per 807.92(a)(6)]
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The Devicor Medical Products, Inc. HydroMARK Breast Biopsy Site Marker [subject device] is substantially equivalent (SE) to the Devicor Medical Products Inc. HydroMARK Breast Biopsy Site Marker (K12113) [predicate device] and the Devicor Medical Products Inc. HydroMARK Breast Biopsy Site Marker (K130537 and K161021) [reference devices] based on the identical indication for use / intended use and the same functional and performance characteristics of the subject device when compared to the predicate device and the reference devices. The minor differences between the subject device and predicate device/reference devices User Instructions & Operation Guides and labeling do not raise new or different issues of safety and effectiveness.
A side-by-side comparison of the technological characteristics of design, components and materials of construction between the subject device and the predicate devices, as well as, the minor differences in the User Instructions & Operation Guide and labels which do not raise new or different issues of safety and effectiveness, support a determination of substantial equivalency (SE) is provided below.
| Regulatory<br>Information | HydroMARK Breast Biopsy<br>Site Marker<br>[Subject Device] | HydroMARK Breast<br>Biopsy Site Marker<br>(K121113)<br>[Predicate Device]<br>HydroMARK Breast<br>Biopsy Site Marker<br>(K130537 and K161021)<br>[Reference Devices] | Similarities /<br>Differences |
|------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-------------------------------|
| Manufacturer | Devicor Medical Products<br>De Mexico S De RL De CV | Devicor Medical<br>Products De Mexico S De<br>RL De CV | Same |
| Device Trade or<br>Proprietary<br>Name | HydroMARK Breast Biopsy<br>Site Marker | HydroMARK Breast<br>Biopsy Site Marker | Same |
| 510(k) Number | N/A | K121113<br>K130537<br>K161021 | N/A |
| Device Class | Class II | Class II | Same |
| Device<br>Classification<br>Name | Marker, Radiographic,<br>Implantable | Marker, Radiographic,<br>Implantable | Same |
| Device Common<br>Name | Implantable Clip | Implantable Clip | Same |
| Product Code | (NEU) - Marker,<br>Radiographic, Implantable | (NEU) - Marker,<br>Radiographic,<br>Implantable | Same |
| Regulation<br>Number | 21 CFR §878.4300 | 21 CFR §878.4300 | Same |
| Indications for<br>Use | To mark tissue during a<br>percutaneous breast<br>biopsy<br>procedure, be visible under<br>ultrasound for at least 6<br>weeks, and be<br>permanently visible by x-<br>ray and MRI. | To mark tissue during a<br>percutaneous breast<br>biopsy<br>procedure, be visible<br>under<br>ultrasound for at least 6<br>weeks, and be<br>permanently visible by x-<br>ray and MRI. | Same |
| Prescription or<br>Over-the-<br>Counter (OTC)<br>Use | Prescription | Prescription | Same |
| | Use Environment | | |
| Sterile | Yes | Yes | Same |
| Single-Use | Yes | Yes | Same |
| | Design Features | | |
| Marker<br>Composition | Polymerized and<br>desiccated<br>hydrogel | Polymerized and<br>desiccated<br>hydrogel | Same |
| Coil (Marker)<br>Composition | Titanium or Stainless Steel | Titanium or Stainless<br>Steel | Same |
| Coil (Marker)<br>Shapes | Barrel (T1, S1)<br>Butterfly (T4)<br>Open Coil (T3, S3) | Barrel (T1, S1)<br>Butterfly (T4)<br>Open Coil (T3, S3) | Same |
| | Cannula Type | | |
| 4010-01-08 | Flexible | Flexible | Same |
| 4010-03-09 | Rigid | Rigid | Same |
| 4010-04-09 | Rigid | Rigid | Same |
| 4010-01-11 | Rigid | Rigid | Same |
| 4010-02-15 | Rigid | Rigid | Same |
| 4010-03-15 | Rigid | Rigid | Same |
| 4010-02-18 | Rigid | Rigid | Same |
| | Cannula Material | | |
| 4010-01-08 | Polyether-b-amide | Polyether-b-amide | Same |
| 4010-03-09 | Stainless Steel | Stainless Steel | Same |
| 4010-04-09 | Stainless Steel | Stainless Steel | Same |
| 4010-01-11 | Polyether-b-amide | Polyether-b-amide | Same |
| 4010-02-15 | Stainless Steel | Stainless Steel | Same |
| 4010-03-15 | Stainless Steel | Stainless Steel | Same |
| 4010-02-18 | Stainless Steel | Stainless Steel | Same |
| | Plunger Rod Type | | |
| 4010-01-08 | Continuous Flexible Nylon<br>Rod | Continuous Flexible Nylon<br>Rod | Same |
| 4010-03-09 | Rigid Stainless Steel Rod with<br>welded Flexible Spring Tip | Rigid Stainless Steel Rod<br>with welded Flexible Spring<br>Tip | Same |
| 4010-04-09 | Rigid Stainless Steel Rod | Rigid Stainless Steel Rod | Same |
| 4010-01-11 | Continuous Flexible Nylon<br>Rod | Continuous Flexible Nylon<br>Rod | Same |
| 4010-02-15 | Rigid Stainless Steel Rod | Rigid Stainless Steel Rod | Same |
| 4010-03-15 | Rigid Stainless Steel Rod | Rigid Stainless Steel Rod | Same |
| 4010-02-18 | Rigid Stainless Steel Rod | Rigid Stainless Steel Rod | Same |
| Plunger Rod Material | | | |
| 4010-01-08 | Nylon | Nylon | Same |
| 4010-03-09 | Stainless Steel Rod + Stainless<br>Steel Tension Spring Flexible<br>Tip | Stainless Steel Rod +<br>Stainless Steel Tension<br>Spring Flexible Tip | Same |
| 4010-04-09 | Stainless Steel | Stainless Steel | Same |
| 4010-01-11 | Nylon | Nylon | Same |
| 4010-02-15 | Stainless Steel | Stainless Steel | Same |
| 4010-03-15 | Stainless Steel | Stainless Steel | Same |
| 4010-02-18 | Stainless Steel | Stainless Steel | Same |
| Packaging and Sterilization | | | |
| Packaging | Foil pouch with Tyvek vent | Foil pouch with Tyvek<br>vent | Same |
| Sterilization<br>Method | ETO | ETO | Same |
| Shelf Life | 3 years/36 months | 3 years/36 months | Same |
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# VII. SUMMARY OF VERIFICATION DATA AND VERIFICATION TEST CONCLUSIONS [Per 807.92(b)(1)(2)(3)]
Verification Testing by document analysis of the labeling modifications was conducted on the Devicor Medical Products, Inc. HydroMARK Breast Biopsy Site Marker [subject device] to confirm that the device meets all system labeling requirements and is substantially equivalent (SE) to the Devicor Medical Products Inc. HydroMARK Breast Biopsy Site Marker (K12113) [predicate device] and the Devicor Medical Products Inc. HydroMARK Breast Biopsy Site Marker (K130537 and K161021) [reference devices]. The following Verification Data was provided in support of the substantial equivalence (SE) determination.
#### Verification Testing
- Verification Testing including: .
- o Document Analysis of Labeling Changes
| Summary of Non-Clinical Bench Performance Testing | | |
|---------------------------------------------------|---------------------------------|----------------------------------------------------------------------------------------------------------------------|
| • | Design Verification by Document | Test Results: PASSED |
| | Analysis of Labeling Changes | The results of these Verification Data are provided in support of the<br>substantial equivalence (SE) determination. |
| FDA Recognized Testing Standards: | | |
| | • ISO 13485:2016 Certification | |
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| | Medical Devices – Quality | Conclusion Supporting Substantial Equivalence: The results of the |
|---|-----------------------------------|---------------------------------------------------------------------|
| | Management Systems – | Design Verification Testing by Document Analysis of Labeling |
| | Requirements for Regulatory | Changes conducted on the Devicor Medical Products, Inc. |
| | Purposes process for medical | HydroMARK Breast Biopsy Site Marker [subject device] |
| | devices | demonstrates that the subject device is as safe and as effective as |
| ○ | ISO 14971:2007 (Ed.2.0) - Medical | the legally marketed predicate device and reference devices. This |
| | Devices - Application of Risk | testing supports a determination of substantial equivalence of the |
| | Management to Medical Devices | Devicor Medical Products, Inc. HydroMARK Breast Biopsy Site |
| | | Marker [subject device] when compared to the Devicor Medical |
| | | Products Inc. HydroMARK Breast Biopsy Site Marker (K121113) |
| | | [predicate device] and the Devicor Medical Products Inc. |
| | | HydroMARK Breast Biopsy Site Marker (K130537 and K161021) |
| | | [reference devices]. |
Conclusion: The results of the Verification Testing support the safety of the device and demonstrate that the Devicor Medical Products, Inc. HydroMARK Breast Biopsy Site Marker [subject device] meets all design and functional requirements and is substantially equivalent (SE) to the Devicor Medical Products Inc. HydroMARK Breast Biopsy Site Marker (K12113) [predicate device] and the Devicor Medical Products Inc. HydroMARK Breast Biopsy Site Marker (K130537 and K161021) [reference devices].
#### VIII. CONCLUSIONS
The data generated from the results of the Verification Testing along with a side-by-side comparison of the technological characteristics of design, components and materials of construction between the subject device and the predicate device/reference devices demonstrate that the Devicor Medical Products, Inc. HydroMARK Breast Biopsy Site Marker [subject device] is as safe and effective and performs as well as the Devicor Medical Products Inc. HydroMARK Breast Biopsy Site Marker (K12113) [predicate device] and the Devicor Medical Products Inc. HydroMARK Breast Biopsy Site Marker (K130537 and K161021) [reference devices].
The similar indications for use, intended use, technological characteristics, and performance characteristics for the proposed Devicor Medical Products, Inc. HydroMARK Breast Biopsy Site Marker [subject device] have been assessed to be substantially equivalent to the predicate/reference devices, and any differences in labeling do not raise different issues of safety and effectiveness when compared to the predicate and reference devices. Therefore, the Devicor Medical Products, Inc. HydroMARK Breast Biopsy Site Marker [subject device] is substantially equivalent to the predicate and reference devices.
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.