Patent US4235428A successfully refreshed from Google Patents.
US4235428A
Expired / Lapsed
US
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Bone transfixation pin guide
Assignee: Individual
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Filing: 1979-03-15
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Granted: 1980-11-25
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Expires: 1999-03-15
Abstract
Abstract A bone transfixion pin quide includes a body having two spaced, transversely-extending end portions, channel members and prongs for affixing the body in relation to an insertion site. The channel members are on the end portions, and define entrance and exit channels for the bone transfixion pin. In use, the body is affixed in relation to the insertion site, with the entrance and exit channels along the desired path of the bone transfixion pin.
Inventors
- 👤 Jack H. Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:41
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/16; A61B17/17; A61B17/1739
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
197 words
A bone transfixion pin guide for guiding the insertion of a bone transfixion pin into an insertion site in a bone, comprising: a body defining a longitudinal axis and having a first transversely extending end portion and a second transversely extending end portion, said first end portion and said second in portion spaced longitudinally apart from each other and extending generally in the same transverse direction; means on said first end portion for defining an entrance channel for said bone transfixion pin; means on said second end portion for defining an exit channel for said bone transfixion pin, said exit channel in axial alignment with said entrance channel; and means on said first end portion and on said second end portion for affixing the body in relation to the insertion site, said means for affixing the bone transfixion pin guide in relation to the insertion site being means for piercing the fleshy tissue adjacent said insertion site; whereby a physician may insert a bone transfixion pin into the bone by affixing the body in relation to the insertion site so that the entrance channel and exit channel lie along the desired path of the bone transfixion pin.
Claim 2
Dependent Claim
197 words
A bone transfixion pin guide for guiding the insertion of a bone transfixion pin into an insertion site in a bone, comprising: a body defining a longitudinal axis and having a first transversely extending end portion and a second transversely extending end portion, said first end portion and said second in portion spaced longitudinally apart from each other and extending generally in the same transverse direction; means on said first end portion for defining an entrance channel for said bone transfixion pin; means on said second end portion for defining an exit channel for said bone transfixion pin, said exit channel in axial alignment with said entrance channel; and means on said first end portion and on said second end portion for affixing the body in relation to the insertion site, said means for affixing the bone transfixion pin guide in relation to the insertion site being means for piercing the fleshy tissue adjacent said insertion site; whereby a physician may insert a bone transfixion pin into the bone by affixing the body in relation to the insertion site so that the entrance channel and exit channel lie along the desired path of the bone transfixion pin.
Claim 3
Dependent Claim
24 words
A joint transfixion pin guide as in claim 1 in which said means for piercing the fleshy tissue adjacent the insertion site includes prongs.
Claim 4
Dependent Claim
74 words
A bone transfixion pin guide as in claim 1 having a body which includes a first body portion and a second body portion, said first body portion and said second body portion cooperatively defining means for moving said first body portion and said second body portion longitudinally in relation to one another, whereby said end portions can be moved longitudinally in relation to one another so as to adapt to bones of various dimensions.
Claim 5
Dependent Claim
49 words
A bone transfixion pin guide as in claim 3 wherein said means for moving said first body portion and said second body portion longitduinally in relation to one another is means for slidably moving said first body portion and said second body portion longitudinally in relation to one another.
Claim 6
Dependent Claim
36 words
A bone transfixion pin guide as in claim 3 further comprising means mounted on said body for locking said first body portion and said second body portion in a fixed position in relation to one another.
Claim 7
Dependent Claim
70 words
A bone transfixion pin guide as in claim 1 wherein said means for defining said entrance channel and said means for defining said exit channel are removable, whereby alternate means for defining a second entrance channel and alternate means for defining a second exit channel can be mounted on said body so that said bone transfixion pin guide can be utilized with bone transfixion pins of more than one diameter.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-11-25 | 1984-05-26 | 1984-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-11-25 | 1988-05-26 | 1988-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-11-25 | 1992-05-26 | 1992-11-25 | $7700.00 | Window Closed / Lapsed |