US5776201A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Modular femoral trial system
Assignee: Johnson and Johnson Professional Inc
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Filing: 1995-10-02
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Granted: 1998-07-07
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Expires: 2015-10-02
Abstract
Abstract A modular femoral trial system is provided having femoral trial bases of various sizes and adapters which may be used to convert the base from a cruciate retaining trial to a cruciate sacrificing trial or a trial for an implant with increased built in stability.
Inventors
- 👤 Dennis P. Colleran
- 👤 Robert S. Brown
- 👤 David G. Sheehan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:01
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/30; A61F2/46; A61F2/4684; A61B; A61B50/00; A61B50/30; A61B50/33; A61F2/0095; A61F2/38; A61F2/3859; A61F2/3886; A61F2002/30001; A61F2002/30316; A61F2002/30535; A61F2002/30604; A61F2002/30616; A61F2002/30667; A61F2002/30708; A61F2250/00; A61F2250/0058; A61F2250/0084; A61F2310/00; A61F2310/00005; A61F2310/00011; A61F2310/00017; A61F2310/00029
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
117 words
A modular femoral trial kit for use in surgical procedures for implanting a femoral prosthesis comprising: a femoral base portion including medical and lateral condyle portions said condyle portions forming a groove therebetween; a plurality of removable attachable knee joint stabilizing adapters, each of said plurality of adapters comprising a base having a pair of side walls extending from said base and a fixation device, each of said plurality of adapters arranged to be removably attached with said fixation device to said femoral base portion to provide a knee joint stabilizing trial device wherein said side walls are fixable in a position adjacent said groove, wherein each of said plurality of adapters has a different stabilizing capacity.
Claim 2
Dependent Claim
117 words
A modular femoral trial kit for use in surgical procedures for implanting a femoral prosthesis comprising: a femoral base portion including medical and lateral condyle portions said condyle portions forming a groove therebetween; a plurality of removable attachable knee joint stabilizing adapters, each of said plurality of adapters comprising a base having a pair of side walls extending from said base and a fixation device, each of said plurality of adapters arranged to be removably attached with said fixation device to said femoral base portion to provide a knee joint stabilizing trial device wherein said side walls are fixable in a position adjacent said groove, wherein each of said plurality of adapters has a different stabilizing capacity.
Claim 3
Dependent Claim
127 words
A modular femoral trial kit for use in surgical procedures for implanting femoral prosthesis comprising: a plurality of femoral trial base portions each of said base portions comprising medial and lateral condyle portions, said condyle portions forming a groove therebetween; and a plurality of removable attachable knee joint stabilizing adapters, each of said plurality adapters comprising a base having a pair of side walls extending from said base, a cam, and a fixation device, each of said plurality of adapters arranged to be removably attached with said fixation device to said femoral base portion to provide a knee joint stabilizing trial device wherein said side walls are fixable in a position adjacent said groove and said cam has a portion extending from each of said side walls.
Claim 4
Dependent Claim
127 words
A modular femoral trial kit for use in surgical procedures for implanting femoral prosthesis comprising: a plurality of femoral trial base portions each of said base portions comprising medial and lateral condyle portions, said condyle portions forming a groove therebetween; and a plurality of removable attachable knee joint stabilizing adapters, each of said plurality adapters comprising a base having a pair of side walls extending from said base, a cam, and a fixation device, each of said plurality of adapters arranged to be removably attached with said fixation device to said femoral base portion to provide a knee joint stabilizing trial device wherein said side walls are fixable in a position adjacent said groove and said cam has a portion extending from each of said side walls.
Claim 5
Dependent Claim
24 words
The modular femoral trial kit of claim 2 wherein said plurality of femoral base portions comprises at least two femoral bases having different sizes.
Claim 6
Dependent Claim
25 words
The modular femoral trial kit of claim 2 wherein said plurality of femoral base portions comprises a right femoral base and a left femoral base.
Claim 7
Dependent Claim
29 words
The modular femoral trial kit of claim 2 wherein said plurality of adapters comprises at least two stabilizing adapters wherein each of said adapters has a different stabilizing capacity.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2001-07-06 | 2002-01-05 | 2002-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2005-07-06 | 2006-01-05 | 2006-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2009-07-06 | 2010-01-05 | 2010-07-07 | $7700.00 | Window Closed / Lapsed |