CLASS II Device recall · Reported 23 Jan 2019 · FDA Enforcement Report

iTotal Hip Replacement System, Total Hip Replacement System recalled

Conformis is recalling iTotal Hip Replacement System, Total Hip Replacement System, distributed in Tennessee. The recall was initiated on 16 Oct 2018 and the FDA has classified it as Class II.

Check your package

Lot, batch or date codesSerial Number 0424647
Quantity recalled1

Stop using the device if the notice says to, and contact the manufacturer or your healthcare provider for the correction or replacement.

Recall details

Recall number
Z-0731-2019
FDA event ID
81723
Recalling firm
Conformis, Billerica, MA
Classification
Class II
Status
Terminated
Recall initiated
16 Oct 2018
FDA classified
11 Jan 2019
Reported
23 Jan 2019
Type
Voluntary: Firm initiated
Customers notified by
E-Mail
Reason category
Other Reasons

Timeline

16 Oct 2018Recall initiated by company
11 Jan 2019Classified by FDA+87 days
23 Jan 2019Published in enforcement report+12 days

Companies usually start a recall weeks before the FDA classifies and publishes it; the gap above is that lag.

Reason for recall

The stage 1 and 2 reamer instruments used to prepare fixation for the cup in the acetabulum had a -1mm interference fit with acetabulum bone. The expected interference fit is -2mm.

Product as listed by the FDA

iTotal Hip Replacement System, Total Hip Replacement System, Catalog Number HAA-050-D001-020101

Where it was distributed

The products were distributed to the following US states: TN.

Tennessee

Questions about this recall

Is iTotal Hip Replacement System, Total Hip Replacement System recalled?

Yes. Conformis recalled iTotal Hip Replacement System, Total Hip Replacement System on 16 Oct 2018. The recall is Class II and its status is Terminated. Recall number Z-0731-2019.

Why was it recalled?

The stage 1 and 2 reamer instruments used to prepare fixation for the cup in the acetabulum had a -1mm interference fit with acetabulum bone. The expected interference fit is -2mm.

Which lots are affected?

Serial Number 0424647

Where was it sold?

The products were distributed to the following US states: TN.

What should I do if I have it?

Stop using the device if the notice says to, and contact the manufacturer or your healthcare provider for the correction or replacement.

What does Class II mean?

Class II means the product may cause temporary or medically reversible health problems, or the probability of serious harm is remote.

Read the official FDA notice · Source record retrieved 21 Sep 2026. The FDA describes openFDA data as unvalidated; the official notice takes precedence. This page reports the record and gives no medical advice.

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