510(k) · Cleared
ClearedParallel-Sided Extensively Coated Femoral Stems
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Biomet Manufacturing Corp · KWA Prosthesis, Hip, Semi-Constrained (Metal Uncemented Acetabular Component)
Cleared on Mar 20, 2008 as substantially equivalent to K982367 (Biomet, Inc., 1998) and 2 other predicates after an 85-day review. Its family tree reaches back 4 generations to 1985.
- Decided
- Mar 20, 2008
- Review
- 85 days
- Class
- Class III
- Product code
- KWA
- Recalls
- None
- Predicates
- 3
Its longest line of descent runs back 4 generations to K854046 (1985). 23 ancestors in all. No later device cites it as a predicate yet.
- Root · 4 generations backK854046 Conical Collar Hip ProsthesisKirschner Medical Corp. · 1985
- 3 generations backK960303 Fenning Femoral ComponentBiomet, Inc. · 1996
- 2 generations backK030055 Mallory/Head Total Hip System; HA Mallory/Head Total Hip System…Biomet, Inc. · 2003 · Recalled
- 1 generation backK052089 XR-Series BI-Metric Femoral ComponentsBiomet Manufacturing, Inc. · 2006
- This deviceK073637 Parallel-Sided Extensively Coated Femoral StemsBiomet Manufacturing Corp · 2008
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −4 | K854046 | Conical Collar Hip Prosthesis | Kirschner Medical Corp. | 1985 | — |
| −3 | K960303 | Fenning Femoral Component | Biomet, Inc. | 1996 | — |
| −2 | K030055 | Mallory/Head Total Hip System; HA Mallory/Head Total Hip System; BI-Metric… | Biomet, Inc. | 2003 | 3 |
| −1 | K052089 | XR-Series BI-Metric Femoral Components | Biomet Manufacturing, Inc. | 2006 | — |
| 0 (this device) | K073637 | Parallel-Sided Extensively Coated Femoral Stems | Biomet Manufacturing Corp | 2008 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1986 | 1 | 0 |
| 1994 | 7 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 0 |
Sources: FDA 510(k) database (decision fields), the FDA summary (predicates and indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.
Planning a device in KWA? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.
- Candidate predicates for a device like this, rankedin the report
- Recall history across each candidate’s familyin the report
What was it cleared against? (3)
Devices the submitter claimed this one is substantially equivalent to (*), and reference devices cited for a specific test or feature (†), as written in the FDA summary.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K982367 | Reach Hip ComponentSummary page 1…p, Hem!-, Femoral, Metal/Polymer, Cemented or Uncemented (888.3390) Legally Marketed Devices To Which Substantial Equivalence Is Claimed: Reach® Revision System- K982367, 08/24/98 (Bioniet Inc.) AML® Hip Stem- K012364, 10/19/01 (DePuy Inc.) XR-Series Bi-Metric® Femoral Stems- K05208… | 1998 |
| * | K012364 | Aml Hip ProsthesisSummary page 1…(888.3390) Legally Marketed Devices To Which Substantial Equivalence Is Claimed: Reach® Revision System- K982367, 08/24/98 (Bioniet Inc.) AML® Hip Stem- K012364, 10/19/01 (DePuy Inc.) XR-Series Bi-Metric® Femoral Stems- K052089, 02/17/06 (Biomet Inc.) Device Description: Th… | 2001 |
| * | K052089 | XR-Series BI-Metric Femoral ComponentsSummary page 1…aimed: Reach® Revision System- K982367, 08/24/98 (Bioniet Inc.) AML® Hip Stem- K012364, 10/19/01 (DePuy Inc.) XR-Series Bi-Metric® Femoral Stems- K052089, 02/17/06 (Biomet Inc.) Device Description: The Parallel-Sided Extensively Coated Femoral Stem is designed to replace the… | 2006 |
What descends from it?
No later submission names this one as a predicate yet.
Has anything in its family been recalled? (0 Class I)
No FDA recall names this device.
No ancestor or descendant has a Class I recall.
What does this lineage say?
- The line of descent spans 23 years and passes through 4 companies; a new generation was cleared every 7.1 years on median.
- 2 of the 23 ancestors have a recall of any class.
- 1 other device also cites its predicate K982367.
How does its category compare?
All KWA devicesKWA Prosthesis, Hip, Semi-Constrained (Metal Uncemented Acetabular Component): FDA decisions, review times, recalls and adverse event reports over 20 years. 2008, this device’s year, is highlighted.
FDA decisions per year · KWA
4in 2012
2026 to Oct 25, outlined.
Median 510(k) review, days · KWA
76in 2012
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · KWA
19in 2023
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · KWA
1,216in 2025
MAUDE reports naming product code KWA, not matched to any one device; reports are not rates.
View these four charts as a table
| Year | Decisions | Median 510(k) review, days | Recalls (Class I) | MAUDE reports |
|---|---|---|---|---|
| 2007 | 8 | 74 | 0 | 213 |
| 2008 | 9 | 57 | 13 | 762 |
| 2009 | 7 | 139 | 0 | 820 |
| 2010 | 6 | 167 | 84 | 3,348 |
| 2011 | 11 | 101 | 28 | 17,737 |
| 2012 | 4 | 76 | 21 | 24,601 |
| 2013 | 0 | — | 1 | 20,020 |
| 2014 | 0 | — | 0 | 16,494 |
| 2015 | 0 | — | 0 | 12,339 |
| 2016 | 0 | — | 1 | 7,872 |
| 2017 | 0 | — | 1 | 6,847 |
| 2018 | 0 | — | 1 | 6,388 |
| 2019 | 0 | — | 2 | 7,628 |
| 2020 | 0 | — | 1 | 4,538 |
| 2021 | 0 | — | 0 | 2,064 |
| 2022 | 0 | — | 0 | 1,617 |
| 2023 | 0 | — | 19 | 1,474 |
| 2024 | 0 | — | 0 | 1,168 |
| 2025 | 0 | — | 0 | 1,216 |
| 2026 | 0 | — | 0 | — |
What is it indicated for?
1. Non-Inflammatory degenerative joint disease including osteoarthritis and avascular necrosis
2. Rheumatoid arthritis
3. Correction of functional deformity
4. Treatment of non-union, femoral neck fracture, and trochanteric fractures of the proximal femur with head involvement, unmanageable by other techniques.
5. Revision of previous failed total hip arthroplasty.
The Parallel-Sided Extensively Coated Femoral Stems are for uncemented applications only.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K073637 · printed Nov 4, 2026
Cite this page
510(k) Report. “K073637: Parallel-Sided Extensively Coated Femoral Stems.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K073637
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Record history
- FDA decision record loaded May 2, 2026
- Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
- Lineage and recalls computed Nov 3, 2026
- Page last updated Nov 3, 2026