Severity
Moderate
FDA Devices recall · Reported January 23, 2019
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.
Conformis, Inc. recalled iTotal Hip Replacement System, Total Hip Replacement System, Catalog Number HAA-050-D001-… - a moderate-severity action.
iTotal Hip Replacement System, Total Hip Replacement System, Catalog Number HAA-050-D001-… was recalled by Conformis, Inc. in January 23, 2019. Reason: The stage 1 and 2 reamer instruments used to prepare fixation for the cup in the acetabulum had a -1mm interf…. Check the official notice for the remedy. Verify recall #Z-0731-2019 with the FDA Devices before acting.
The recall
Conformis, Inc. issued this moderate-severity FDA Devices recall-The stage 1 and 2 reamer instruments used to prepare fixation for the cup in the acetabulum had a -1mm interf….
Sourced from official FDA Devices enforcement records. Verify recall #Z-0731-2019 with the agency before acting. Full product description, hazard, remedy, and related recalls are below.
This FDA Devices action (record #Z-0731-2019) was formally reported on January 23, 2019, with the manufacturer initiating the action on October 16, 2018. It is classified under Moderate severity (Class II), with a current status of Terminated. Conformis, Inc. is listed as the recalling firm, operating out of Billerica, MA. Federal records list the affected scope as 1.
The documented reason for this recall is: 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. Distribution data in the federal record shows the product reached: The products were distributed to the following US states: TN.. Distribution scope directly affects the consumer exposure window and determines whether a recall remains regional or escalates into a nationwide advisory.
Within the same product category the archive holds 6 closely related recalls, 3 from FDA Devices - clustering in a narrow category often points to a systemic quality-control or supplier issue rather than a one-off defect. Always verify the recall number against the official agency record before acting.
Where this recall sits in its category - 40,322 medical devices recalls on record
Of 101,704 recalls in the database, 24,878 are high severity, 72,426 moderate, and 4,400 low. This recall is classified moderate severity.
Counts reflect market size and reporting activity, not inherent danger, we do not rank products by risk from raw recall volume.
Severity
Moderate
Affected scope
1
Related Recalls
6
3 from same agency
iTotal Hip Replacement System, Total Hip Replacement System, Catalog Number HAA-050-D001-020101
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.
| Attribute | Value |
|---|---|
| Agency | U.S. Food and Drug Administration |
| Severity class | Moderate (Class II) |
| Status | Terminated |
| Recall number | Z-0731-2019 |
| Date reported | January 23, 2019 |
| Date initiated | October 16, 2018 |
| Recalling firm | Conformis, Inc. |
| Firm location | Billerica, MA |
| Affected scope | 1 |
| Distribution | The products were distributed to the following US states: TN. |
Profile values are sourced directly from the official FDA Devices enforcement record. Source: U.S. Food and Drug Administration.
What to do with this recall
Match your product against the recall record, then act on the agency remedy.
This page summarizes the official FDA Devices record for research and awareness; it is not legal, medical, or safety advice. Verify with the issuing agency before acting.
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Every figure on PlainRecalls is rendered directly from official FDA, CPSC and NHTSA recall records, no number is typed in by an editor. This recall: FDA Devices, reported January 23, 2019. Severity classes follow each agency's own taxonomy (FDA Class I/II/III; CPSC and NHTSA by hazard type), and related-recall context is computed across the full archive. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of July 2026.