← Product Code [JWH](/submissions/OR/subpart-d%E2%80%94prosthetic-devices/JWH) · K211609

# ATTUNE Medial Stabilized (MS) Fixed Bearing (FB) Insert (K211609)

_Depuy Ireland UC · JWH · Aug 25, 2021 · Orthopedic · SESE_

**Canonical URL:** https://fda.innolitics.com/submissions/OR/subpart-d%E2%80%94prosthetic-devices/JWH/K211609

## Device Facts

- **Applicant:** Depuy Ireland UC
- **Product Code:** [JWH](/submissions/OR/subpart-d%E2%80%94prosthetic-devices/JWH.md)
- **Decision Date:** Aug 25, 2021
- **Decision:** SESE
- **Submission Type:** Traditional
- **Regulation:** 21 CFR 888.3560
- **Device Class:** Class 2
- **Review Panel:** Orthopedic
- **Attributes:** Therapeutic

## Intended Use

Total knee arthroplasty

## Device Story

ATTUNE Medial Stabilized (MS) Fixed Bearing (FB) Insert is a component of the ATTUNE Knee System; designed to replace natural articular surfaces of the knee joint. Device is an asymmetrical fixed bearing tibial insert; functions with ATTUNE CR femur and ATTUNE Fixed Bearing Tibial Base options. Used in total knee arthroplasty; implanted by orthopedic surgeons in clinical settings. Insert provides stability; can be used with or without posterior cruciate ligament. Benefits include restoration of joint function and pain relief for patients with severe joint disability.

## Clinical Evidence

No clinical testing was conducted. Substantial equivalence is supported by non-clinical bench testing, including contact area and pressure, constraint, and tibiofemoral range of motion, alongside bacterial endotoxin testing per ANSI/AAMI ST 72:2019.

## Technological Characteristics

Material: AOX Antioxidant UHMWPE. Design: Asymmetric articulating geometry. Sterilization: Gamma irradiation. System: Modular component of the ATTUNE Knee System, compatible with ATTUNE CR femur and Fixed Bearing Tibial Base options. No software or electronic components.

## Regulatory Identification

A knee joint patellofemorotibial polymer/metal/polymer semi-constrained cemented prosthesis is a device intended to be implanted to replace a knee joint. The device limits translation and rotation in one or more planes via the geometry of its articulating surfaces. It has no linkage across-the-joint. This generic type of device includes prostheses that have a femoral component made of alloys, such as cobalt-chromium-molybdenum, and a tibial component or components and a retropatellar resurfacing component made of ultra-high molecular weight polyethylene. This generic type of device is limited to those prostheses intended for use with bone cement (§ 888.3027).

## Predicate Devices

- DePuy ATTUNE Knee System CR FB Insert ([K101433](/device/K101433.md))
- Zimmer Biomet Persona MC Insert ([K150090](/device/K150090.md))

## Reference Devices

- ATTUNE All-Polyethylene Tibia ([K193057](/device/K193057.md))
- ATTUNE Revision LPS Inserts ([K191779](/device/K191779.md))
- ATTUNE Knee System CR FB Insert ([K201347](/device/K201347.md))

## Submission Summary (Full Text)

> This content was OCRed from public FDA records by [Innolitics](https://innolitics.com). If you use, quote, summarize, crawl, or train on this content, cite Innolitics at https://innolitics.com.
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August 25, 2021

Image /page/0/Picture/1 description: The image shows the logo of the U.S. Food and Drug Administration (FDA). On the left is the Department of Health & Human Services logo. To the right of that is a blue square with the letters "FDA" in white. To the right of the blue square is the text "U.S. FOOD & DRUG ADMINISTRATION" in blue.

DePuy Ireland UC Brad Osborne Regulatory Specialist III Loughbeg Ringaskiddy, Co Cork Ireland

Re: K211609

Trade/Device Name: ATTUNE® Medial Stabilized (MS) Fixed Bearing (FB) Insert Regulation Number: 21 CFR 888.3560 Regulation Name: Knee joint patellofemorotibial polymer semi-constrained cemented prosthesis Regulatory Class: Class II Product Code: JWH, MBH, OIY Dated: August 11, 2021 Received: August 12, 2021

Dear Brad Osborne:

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

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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) 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 (OS) 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 mediation-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,

Ting Song, Ph.D. Assistant Director DHT6A: Division of Spinal Devices OHT6: Office of Orthopedic Devices Office of Product Evaluation and Quality Center for Devices and Radiological Health

Enclosure

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# Indications for Use

Form Approved: OMB No. 0910-0120 Expiration Date: 06/30/2023 See PRA Statement below.

> K211609 Page 1 of 1

510(k) Number (if known)

K211609

Device Name

ATTUNE® Medial Stabilized Fixed Bearing (MS FB) Insert

Indications for Use (Describe)

Candidates for total knee replacement include patients with and/or severely disabled joint resulting from osteoarthritis, post-traumatic arthritis, rheumatoid arthritis, or a failed previous implant.

Type of Use (Select one or both, as applicable)

X Prescription Use (Part 21 CFR 801 Subpart D)

| Over-The-Counter Use (21 CFR 801 Subpart C)

#### CONTINUE ON A SEPARATE PAGE IF NEEDED.

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# 510(K) SUMMARY

(As required by 21 CFR 807.92 and 21 CFR 807.93)

| Submitter Information                                         |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
|---------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| Name                                                          | DePuy Ireland UC                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| Address                                                       | Loughbeg, Ringaskiddy<br>Co. Cork Munster, IRELAND                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| Phone number                                                  | 574-404-3872                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| Fax number                                                    | 574-371-4987                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| Establishment Registration Number                             | 3015516266                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| Name of contact person                                        | Brad Osborne                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| Date prepared                                                 | 24th May, 2021                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| Name of device                                                |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
| Trade or proprietary name                                     | ATTUNE® Medial Stabilized Fixed Bearing (MS FB) Insert                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| Common or usual name                                          | Total Knee Arthroplasty Prosthesis                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| Classification name                                           | Prosthesis, Knee, Patellofemorotibial, Semi-Constrained, Cemented, Polymer/Metal/Polymer<br>Prosthesis, Knee, Patello/Femorotibial, Semi-Constrained, Uncemented, Porous, Coated,<br>polymer/Metal/Polymer<br>Prosthesis, Knee, Patellofemorotibial, Semi-Constrained, Cemented, Polymer + Additive/Metal/Polymer +<br>Additive                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
| Class                                                         | II                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| Classification panel                                          | 87 Orthopedics                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| Regulation                                                    | 21 CFR 888.3560,<br>21 CFR 888.3565,<br>21 CFR 888.3560                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| Product Code(s)                                               | JWH<br>MBH<br>OIY                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| Legally marketed device(s) to which<br>equivalence is claimed | Primary Predicate:<br>DePuy ATTUNE Knee System CR FB Insert (K101433)<br>Secondary Predicate:<br>Zimmer Biomet Persona MC Insert (K150090)<br>Reference Predicate:<br>ATTUNE All-Polyethylene Tibia (K193057)<br>ATTUNE Revision LPS Inserts (K191779)<br>ATTUNE Knee System CR FB Insert (K201347)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| Reason for 510(k) submission                                  | This 510(k) requests clearance of the ATTUNE Medial Stabilized Fixed Bearing (MS FB) Insert for use in<br>the previously cleared ATTUNE Knee System.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| Device Description                                            | A Total Knee Prosthesis is composed of individually packaged femoral, tibial and patellar components<br>designed to replace the natural articular surface of the knee joint. The femoral component is a metal<br>implant with or without a porous coating. The tibial component may be an all polyethylene component or<br>comprised of a metal tibial base with or without porous coating, and a polyethylene insert and locking<br>components. The patella component may be of an all polyethylene design or a polyethylene patella with<br>porous metal backing.<br>The ATTUNE Medial Stabilized FB Insert is an asymmetrical fixed bearing tibial insert that will form<br>part of the ATTUNE Knee system. It is designed to work with the ATTUNE CR femur and any of the<br>ATTUNE Fixed Bearing Tibial Base options. The insert can be used with or without the posterior cruciate<br>ligament. |
| Intended use of the device                                    | Total Knee Arthroplasty                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| Indications for use                                           | Candidates for total knee replacement include patients with a severely painful and/or severely disabled<br>joint resulting from osteoarthritis, post-traumatic arthritis, rheumatoid arthritis, or a failed previous<br>implant                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |

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| Characteristics       | Subject Device:<br>DePuy Synthes ATTUNE® Knee System<br>Medial Stabilized Fixed Bearing (MS FB)<br>Inserts                                                                                                                               | Primary Predicate Device:<br>DePuy Synthes ATTUNE® Knee System<br>Cruciate Retaining (CR) Fixed Bearing<br>Insert<br>(K201347)                                                                                                           | Secondary Predicate<br>Device:<br>Zimmer Biomet Persona<br>Knee System<br>Medial Congruent (MC)<br>Insert<br>(K150090)                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
|-----------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| Intended Use          | Total knee arthroplasty                                                                                                                                                                                                                  | Total knee arthroplasty                                                                                                                                                                                                                  | Total knee arthroplasty                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| Indications for Use   | Candidates for total knee replacement<br>include patients with a severely painful<br>and/or severely disabled joint resulting<br>from osteoarthritis, posttraumatic arthritis,<br>rheumatoid arthritis, or a failed previous<br>implant. | Candidates for total knee replacement<br>include patients with a severely painful<br>and/or severely disabled joint resulting<br>from osteoarthritis, posttraumatic arthritis,<br>rheumatoid arthritis, or a failed previous<br>implant. | This device is indicated for<br>patients with severe knee<br>pain and disability due to:<br>Rheumatoid arthritis,<br>osteoarthritis, traumatic<br>arthritis, polyarthritis<br>Collagen disorders, and/or<br>avascular necrosis of the<br>femoral condyle<br>Post-tramatic loss of joint<br>configuration, particularly<br>when there is<br>patellofemoral erosion,<br>dysfunction or prior<br>patellectomy<br>The salvage of previously<br>failed surgical attempts or<br>for a knee in which<br>satisfactory stability in<br>flexion cannot be obtained<br>at the time of surgery |
| Properties            |                                                                                                                                                                                                                                          |                                                                                                                                                                                                                                          |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| Material              | AOX Antioxidant UHMWPE                                                                                                                                                                                                                   | AOX Antioxidant UHMWPE                                                                                                                                                                                                                   | Vivacit-E (R) Antioxidant<br>UHMWPE                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| Design Features       |                                                                                                                                                                                                                                          |                                                                                                                                                                                                                                          |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| Articulating Geometry | Asymmetric                                                                                                                                                                                                                               | Symmetric                                                                                                                                                                                                                                | Asymmetric                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| Packaging Description |                                                                                                                                                                                                                                          |                                                                                                                                                                                                                                          |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| Components            | Sterile Package                                                                                                                                                                                                                          | Sterile Package                                                                                                                                                                                                                          | Sterile Package                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| Sterility             |                                                                                                                                                                                                                                          |                                                                                                                                                                                                                                          |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| Sterile Method        | Gamma Irradiation                                                                                                                                                                                                                        | Gamma Irradiation                                                                                                                                                                                                                        | Gamma Irradiation                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |

The subject ATTUNE Medial Stabilized Fixed Bearing (MS FB) Insert is identical to the primary predicate DePuy ATTUNE® Knee System [K101433] in intended use, material, and fixation and overall similar in design. The subject and predicate systems are intended for total knee arthroplasty; are components of modular tibia; are made of antioxidant UHMWPE; and are intended for use in cemented or uncemented constructs. Differences include a minor change to the geometry of the articulating surface.

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### PERFORMANCE DATA

## SUMMARY OF NON-CLINICAL TESTS CONDUCTED FOR DETERMINATION OF SUBSTANTIAL EQUIVALENCE

The following tests were performed (per FDA's Class II Special Controls Guidance Document: Knee Joint Patellofemerotibial and Femerotibial Metal/Polymer Porous-Coated Uncemented Prostheses; Guidance for Industry and FDA) to demonstrate substantial equivalence of safety and efficacy with the predicate device:

- Contact Area & Pressure
- Constraint
- Tibiofemoral Range of Motion

The proposed devices also meet the requirement of bacterial endotoxin testing as specified in ANSI/AAMI ST 72:2019.

SUMMARY OF CLINICAL TESTS CONDUCTED FOR DETERMINATION OF SUBSTANTIAL EQUIVALENCE AND/OR OF CLINICAL INFORMATION

No clinical testing is required to demonstrate substantial equivalence.

### CONCLUSIONS DRAWN FROM NON-CLINICAL AND CLINICAL DATA

The subject DePuy ATTUNE Medial Stabilized Fixed Bearing (MS FB) Inserts are substantially equivalent to the predicate DePuy Synthes ATTUNE Knee System Cruciate Retaining (CR) Fixed Bearing Insert.

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**Source:** [https://fda.innolitics.com/submissions/OR/subpart-d%E2%80%94prosthetic-devices/JWH/K211609](https://fda.innolitics.com/submissions/OR/subpart-d%E2%80%94prosthetic-devices/JWH/K211609)

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