CA2430306A1 - Prosthesis fixturing device - Google Patents
Prosthesis fixturing device Download PDFInfo
- Publication number
- CA2430306A1 CA2430306A1 CA002430306A CA2430306A CA2430306A1 CA 2430306 A1 CA2430306 A1 CA 2430306A1 CA 002430306 A CA002430306 A CA 002430306A CA 2430306 A CA2430306 A CA 2430306A CA 2430306 A1 CA2430306 A1 CA 2430306A1
- Authority
- CA
- Canada
- Prior art keywords
- tray
- stem
- tibia
- cement
- channels
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 210000002303 tibia Anatomy 0.000 abstract 4
- 239000004568 cement Substances 0.000 abstract 3
- 210000000988 bone and bone Anatomy 0.000 abstract 2
- 230000037431 insertion Effects 0.000 abstract 1
- 238000003780 insertion Methods 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
Landscapes
- Prostheses (AREA)
Abstract
A tibia fixturing device comprises a metal tray formed with annularly spaced recesses in its underside at a depth of at least about 1.5 mm and from which a stem depends for axial insertion into a tibia conical cavity. The stem has a circular cylindrical portion proximal the tray and a conical portion distal the tray. Fins radially extend from the stem cylindrical portion and penetrate the tibia to provide some torsional resistance. Axially extending channels are formed about the stem periphery which channels have bottom surfaces parallel to the stem axis to provide further torsional resistance. The channels are arranged to not interlock with the cement in the axial direction to permit the cement to separate first from the device during axial removal of the device from the bone. The fins have inclined edges distal the tray and inclined radial outer edges to align and center the stem to the bone cavity edge. Cement in the tray recesses bonds the tray to a tibia resected surface to provide major torsional resistance of the tray about the cavity longitudinal axis.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US33019694A | 1994-10-27 | 1994-10-27 | |
US08/330,196 | 1994-10-27 | ||
CA002160198A CA2160198C (en) | 1994-10-27 | 1995-10-10 | Prosthesis fixturing device |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002160198A Division CA2160198C (en) | 1994-10-27 | 1995-10-10 | Prosthesis fixturing device |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2430306A1 true CA2430306A1 (en) | 1996-04-28 |
CA2430306C CA2430306C (en) | 2003-12-30 |
Family
ID=27614023
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002430307A Expired - Fee Related CA2430307C (en) | 1994-10-27 | 1995-10-10 | Prosthesis fixturing device |
CA002430306A Expired - Fee Related CA2430306C (en) | 1994-10-27 | 1995-10-10 | Prosthesis fixturing device |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002430307A Expired - Fee Related CA2430307C (en) | 1994-10-27 | 1995-10-10 | Prosthesis fixturing device |
Country Status (1)
Country | Link |
---|---|
CA (2) | CA2430307C (en) |
-
1995
- 1995-10-10 CA CA002430307A patent/CA2430307C/en not_active Expired - Fee Related
- 1995-10-10 CA CA002430306A patent/CA2430306C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CA2430307A1 (en) | 1996-04-28 |
CA2430307C (en) | 2003-12-30 |
CA2430306C (en) | 2003-12-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |
Effective date: 20131010 |