Weill Cementless Threaded Acetabular Cup
510(k) K844943
Active
Valid until
No expiry
FDA recalls
None foundDocuments
Trust
Unverified
Regulatory status
| Region | Authorization | Number | Date | Status |
|---|---|---|---|---|
| United States | FDA 510(k)SESE | NumberK844943 | Date18 Mar 1985 | StatusActive |
Recalls
No FDA recalls found in the data synced 22 Oct 2026.
Coverage
- Active
- Expiring
- Withdrawn
- Listed
- Not covered
United States — FDA 510(k) Active
Specification
- 510(k) Number
- FDA Product Code
- KWA
- Device Class
- Class III
- Regulation
- 21 CFR Part 888.3330
- Advisory Committee
- Orthopedic
- FDA Decision
- SESE Substantially Equivalent
Overview
AI-generated summary, 18 Sep 2026
The Weill Cementless Threaded Acetabular Cup is a semi-constrained metal acetabular component designed for use in total hip arthroplasty. This device is intended for uncemented fixation within the pelvis, providing a threaded design to enhance osseointegration and stability without the need for bone cement.
This acetabular cup is supplied sterile and intended for single-use in orthopedic surgical settings. It is classified as a Class III medical device under FDA regulations and has received 510(k) clearance (K844943) for orthopedic applications. Multiple sizes and variants are available, as indicated by the associated registration numbers, and it is regulated under the regulation number 888.3330. The device is not MRI-safe unless explicitly stated in its packaging or specifications.
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Questions
AI-generated answers, 18 Sep 2026
What types of surgical procedures is the Weill Cementless Threaded Acetabular Cup designed for?
The Weill Cementless Threaded Acetabular Cup is specifically designed for use in total hip arthroplasty procedures. Its uncemented, threaded design is intended to provide secure fixation within the pelvis without relying on bone cement, making it suitable for primary or revision hip replacements where stable osseointegration is critical.
Is this device intended for reuse in surgical settings, or is it single-use only?
The Weill Cementless Threaded Acetabular Cup is explicitly supplied sterile and intended for single-use only in orthopedic surgical settings. This ensures patient safety and compliance with sterile procedure protocols.
What sizes or variants of this acetabular cup are available, and how do I identify them?
The device comes in multiple sizes and variants, each associated with a unique registration number (e.g., 3020282716, 3007923096, etc.). These numbers are listed in the FDA’s OpenFDA database under the product code KWA and regulation number 888.3330. The exact sizing and specifications should be confirmed with the manufacturer or referenced in the packaging.
How should the Weill Cementless Threaded Acetabular Cup be stored before use?
Since the device is supplied sterile, it should be stored in its original, sealed packaging to maintain sterility until the time of use. Proper storage conditions (e.g., temperature, humidity, and protection from contamination) are critical to preserving its integrity. Always follow the manufacturer’s storage instructions provided in the packaging.
Can this device be used in patients who require MRI imaging after surgery?
The Weill Cementless Threaded Acetabular Cup is not MRI-safe unless explicitly stated in its packaging or specifications. Patients should be informed of this limitation, and MRI compatibility should be confirmed with the manufacturer or device documentation before proceeding with imaging.