US5080675A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tibial component for a replacement knee prosthesis
Assignee: HOWMEDICA INTERNATIONAL S DE RL
•
Filing: 1991-03-05
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Granted: 1992-01-14
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Expires: 2011-03-05
Abstract
Abstract A tibial component for a replacement knee prosthesis comprising a tibial tray for connection to a suitably prepared tibia has a tray carrying fixed lateral and medial condylar bearing components. Only the medial component has a shock absorber located beneath it.
Inventors
- 👤 Peter Lawes
- 👤 Alan M. Ashby
- 👤 William A. Wallace
- 👤 Akiho Hoshino
- 👤 Pier G. Marchetti
- 👤 Maurilio Marcacci
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:59
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/30; A61F2/38; A61F2/3868; A61F2002/30001; A61F2002/30316; A61F2002/30535; A61F2002/30563
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
40 words
A tibial component for a replacement knee prosthesis comprising a tibial tray for connection to a suitably prepared tibia, said tray carrying fixed lateral and medial condylar bearing components, only said medial component having a shock absorber located beneath it.
Claim 2
Dependent Claim
40 words
A tibial component for a replacement knee prosthesis comprising a tibial tray for connection to a suitably prepared tibia, said tray carrying fixed lateral and medial condylar bearing components, only said medial component having a shock absorber located beneath it.
Claim 3
Dependent Claim
30 words
The tibial component for a replacement knee prosthesis as claimed in claim 1 in which a stiffening element is provided between the shock absorber and the fixed medial bearing component.
Claim 4
Dependent Claim
48 words
A tibial component for a replacement knee prosthesis comprising a tibial tray for connection to a suitably prepared tibia, said tray carrying a fixed medial condylar bearing component and a movable lateral meniscal bearing component which can slide with anterior and posterior movement in relation to said tray.
Claim 5
Dependent Claim
48 words
A tibial component for a replacement knee prosthesis comprising a tibial tray for connection to a suitably prepared tibia, said tray carrying a fixed medial condylar bearing component and a movable lateral meniscal bearing component which can slide with anterior and posterior movement in relation to said tray.
Claim 6
Dependent Claim
34 words
The tibial component for a replacement knee prosthesis as claimed in claim 3 in which medial or lateral movement of said movable lateral bearing component is allowed in plane rotation relative to said tray.
Claim 7
Dependent Claim
28 words
The tibial component for a replacement knee prosthesis as claimed in claim 3 in which said fixed medial bearing component is provided with a shock absorber beneath it.
Claim 8
Dependent Claim
29 words
The tibial component for a replacement knee prosthesis as claimed in claim 5 in which a stiffening element is provided between the shock absorber and the medial bearing component.
Claim 9
Dependent Claim
29 words
The tibial component for a replacement knee prosthesis as claimed in claim 6 in which said movable lateral meniscal bearing component is provided with a shock absorber beneath it.
Claim 10
Dependent Claim
31 words
The tibial component for a replacement knee prosthesis as claimed in claim 7 in which a stiffening element is provided between the shock absorber and the movable lateral meniscal bearing component
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1995-01-13 | 1995-07-15 | 1996-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-01-13 | 1999-07-15 | 2000-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-01-13 | 2003-07-15 | 2004-01-14 | $7700.00 | Window Closed / Lapsed |