CA2443880A1 - Threaded washer - Google Patents
Threaded washer Download PDFInfo
- Publication number
- CA2443880A1 CA2443880A1 CA002443880A CA2443880A CA2443880A1 CA 2443880 A1 CA2443880 A1 CA 2443880A1 CA 002443880 A CA002443880 A CA 002443880A CA 2443880 A CA2443880 A CA 2443880A CA 2443880 A1 CA2443880 A1 CA 2443880A1
- Authority
- CA
- Canada
- Prior art keywords
- central bore
- washer
- screw head
- diameter
- engaging
- 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
- 210000000988 bone and bone Anatomy 0.000 abstract 3
- 239000012634 fragment Substances 0.000 abstract 2
- 208000010392 Bone Fractures Diseases 0.000 abstract 1
Landscapes
- Surgical Instruments (AREA)
Abstract
Disclosed is an apparatus for the fixation of small bone fractures, comprising a washer with a central bore, the central bore having a diameter, and an external tapered thread for engaging an outer bone fragment, and a bone screw having a shaft with a thread with a mayor diameter less than the diameter of said central bore for engaging an inner bone fragment, and having a screw head larger than the central bore, wherein an upper portion near said screw head of the shaft is disposed within the central bore, and the screw head is disposed exterior the washer and engages a portion of the washer.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/591,229 US5899906A (en) | 1996-01-18 | 1996-01-18 | Threaded washer |
US08/591,229 | 1996-01-18 | ||
CA002242479A CA2242479C (en) | 1996-01-18 | 1996-12-03 | Threaded washer |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002242479A Division CA2242479C (en) | 1996-01-18 | 1996-12-03 | Threaded washer |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2443880A1 true CA2443880A1 (en) | 1997-07-24 |
CA2443880C CA2443880C (en) | 2006-05-23 |
Family
ID=29585096
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002443873A Abandoned CA2443873A1 (en) | 1996-01-18 | 1996-12-03 | Threaded washer |
CA002443880A Expired - Lifetime CA2443880C (en) | 1996-01-18 | 1996-12-03 | Threaded washer |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002443873A Abandoned CA2443873A1 (en) | 1996-01-18 | 1996-12-03 | Threaded washer |
Country Status (1)
Country | Link |
---|---|
CA (2) | CA2443873A1 (en) |
-
1996
- 1996-12-03 CA CA002443873A patent/CA2443873A1/en not_active Abandoned
- 1996-12-03 CA CA002443880A patent/CA2443880C/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CA2443873A1 (en) | 1997-07-24 |
CA2443880C (en) | 2006-05-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKEX | Expiry |
Effective date: 20161205 |