US4852559A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for pinning bone fractures
Assignee: Individual
•
Filing: 1988-04-21
•
Granted: 1989-08-01
•
Expires: 2008-04-21
Abstract
Abstract A device for pinning bone fractures includes an integral metal pin having an elongated shaft and a head at one end of the pin comprising an arcuate hook having an inner radial surface and an outer radial surface and a closed loop formed at the inner radial surface of the hook.
Inventors
- 👤 Ira Chernoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:28
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/56; A61B17/58; A61B17/68; A61B17/72; A61B17/7208
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
80 words
A device for pinning bone fractures, comprising: an integral metal pin having an elongated shaft and a head at one end of the pin, said head comprising an arcuate hook having a free end, an inner radial surface and an outer radial surface, and means extending from said shaft to said inner radial surface and forming a closed loop with the inner radial surface of the hook, said closed loop not extending past the free end of the arcuate hook.
Claim 2
Independent Claim
80 words
A device for pinning bone fractures, comprising: an integral metal pin having an elongated shaft and a head at one end of the pin, said head comprising an arcuate hook having a free end, an inner radial surface and an outer radial surface, and means extending from said shaft to said inner radial surface and forming a closed loop with the inner radial surface of the hook, said closed loop not extending past the free end of the arcuate hook.
Claim 3
Dependent Claim
21 words
The device according to claim 1, wherein the means forming the closed loop includes the inner radial surface of the hook.
Claim 4
Dependent Claim
17 words
The device according to claim 1, wherein the other end of the pin has a point thereon.
Claim 5
Dependent Claim
31 words
The device according to claim 1, further comprising indicia at a plurality of locations along the shaft for indicating the length of the shaft from the one end of the pin.
Claim 6
Dependent Claim
14 words
The device according to claim 1, wherein the shaft has a smooth unobstructed surface.
Claim 7
Dependent Claim
21 words
The device according to claim 5, wherein the hook and the shaft have the same cross section with no obstruction therebetween.
Claim 8
Dependent Claim
26 words
The device according to claim 1, wherein the shaft and head are J-shaped and the closed loop is entirely contained within the hook of the J-shape.
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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) | 1992-07-31 | 1993-01-30 | 1993-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-07-31 | 1997-01-30 | 1997-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-07-31 | 2001-01-30 | 2001-08-01 | $7700.00 | Window Closed / Lapsed |