CA2240979A1 - Osteosynthesis apparatus - Google Patents
Osteosynthesis apparatusInfo
- Publication number
- CA2240979A1 CA2240979A1 CA002240979A CA2240979A CA2240979A1 CA 2240979 A1 CA2240979 A1 CA 2240979A1 CA 002240979 A CA002240979 A CA 002240979A CA 2240979 A CA2240979 A CA 2240979A CA 2240979 A1 CA2240979 A1 CA 2240979A1
- Authority
- CA
- Canada
- Prior art keywords
- plate member
- end portion
- circular openings
- cavities
- bone
- 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
Abstract
A bone fixation apparatus (10) is disclosed which includes an elongated plate member (12) with at least two pairs of circular openings (24 26) and a series of circular openings (62) positioned along the plate member (12). The circular openings each form a cavity (30) with walls (31) extending between the upper and lower plate member surfaces (16, 18), the cavities having smaller diameter portions (32) at the plate member surfaces (16, 18) and a larger diameter portion (34) therebetween. The cavities are configured in the shape of two inverted cones (31a 31b) with matching base circles (31c) for allowing angulation of an implanted bone screw (14). A plurality of bone screws (14) are provided, each having a threaded first end portion (36) and an ellipsoid-shaped enlarged second end portion (40). A locking member (48) is also provided which connects to the second end portion (40) of each bone screw (14) for expanding the second end portion (40) so as to grip the cavity wall (31) of the plate member (12).
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/575,601 | 1995-12-20 | ||
US08/575,601 US5681311A (en) | 1994-09-15 | 1995-12-20 | Osteosynthesis apparatus |
PCT/US1996/020707 WO1997022306A1 (en) | 1995-12-20 | 1996-12-20 | Osteosynthesis apparatus |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2240979A1 true CA2240979A1 (en) | 1997-06-26 |
CA2240979C CA2240979C (en) | 2006-02-14 |
Family
ID=35892338
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002240979A Expired - Fee Related CA2240979C (en) | 1995-12-20 | 1996-12-20 | Osteosynthesis apparatus |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA2240979C (en) |
-
1996
- 1996-12-20 CA CA002240979A patent/CA2240979C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CA2240979C (en) | 2006-02-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |
Effective date: 20151221 |
|
MKLA | Lapsed |
Effective date: 20151221 |