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Natural-Knee II Durasul All-Poly Patella, Size 2, 7mm recallZ-0850-2012 · Zimmer Inc. · initiated Dec 21, 2011

Terminated All recalls posted in January 2012

Is my device affected?

  1. Compare the model, catalog and lot or serial numbers on your device or its packaging with the code information below. A recall usually covers only specific models or lots.
  2. If yours is listed, follow the instructions from Zimmer Inc. or your healthcare provider. The company's action is summarized under what the company is doing.
  3. Do not stop using a prescribed or implanted device on your own — talk to your healthcare provider first.

Where to find your model and lot numbers · What recall classes and statuses mean

Why it was recalled

The firm has 16 reports of patella peg shear out of 109,386 distributed units (0.0137%). The failures have been reported where the pegs on the back side of the patella have sheared at the peg/patella interface. Analysis shows that the highly cross-linked polyethylene, Durasul, patella was shown to have a lower fracture fatigue strength than the Sulene counterpart and that the cement technique used

FDA root cause category: Component design/selection

What the company is doing

Zimmer sent an Urgent Device Recall letter dated December 20, 2011, to all affected customers. The letter identified the product, the problem, and the action to be taken by the customer. Customers were instructed to stop distribution of the affected product and return all lots in inventory. Customers should provide a list of all hospitals and surgeons that have used the affected product by completing the User Facility and Health Care Professional Form and fax a copy to (574) 372-4265. If customers distributed the product further they should provide a copy of the recall letter to those customers. For questions regarding this recall call 1-877-946-2761.

Recall details

Recall number
Z-0850-2012
Recall class
Not yet classified by the FDA
Status
Terminated
Initiated by the company
Dec 21, 2011
Posted by the FDA
Jan 25, 2012
Recalling firm
Zimmer Inc.
Product code
JWH
FDA submissions
K002335
Distribution
Worldwide Distribution - USA (nationwide) and the countries of Belgium, Germany, France, Austria, Sweden, Switzerland, South Africa, and the UK

Product description

Natural-Knee II Durasul All-Poly Patella, Size 2, 7mm The Zimmer Natural-Knee II Durasul Patella product is a semi-constrained total knee prosthesis consisting of four anatomically designed components: the femoral, tibial, articular surface, and patellar prosthesis. The all-polyethylene patella is made from Durasul Highly Crosslinked Ultra High Molecular Weight Polyethylene. The N-K II Durasul polyethylene patella components are indicated for patient conditions of non-inflammatory degenerative joint disease (NIDJD), e.g., avascular necrosis, osteoarthritis, and inflammatory degenerative joint disease (IJD), e.g., rheumatoid arthritis; correctable valgus-varus deformity and moderate flexion contracture; those patients with failed previous surgery where pain, deformity, or dysfunction persists; and revision of previously failed knee arthroplasty.

Code information (models, lots, serial numbers)

6301-07-102; all lots

Other devices under the same FDA submission

1 device cleared under K002335 — the recall does not name any of them by identifier. One submission often covers many models, so they may or may not be affected.

Other products in the same recall event

The FDA groups related products into one recall event (event 60858).

Sources and updates

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