US4434796A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surgical staple, a method of and forceps for its removal
Assignee: VSESOJUZNY NAUCHNO-ISSLEDOVATELSKY I ISPYTATELNY INSTITUT MEDITSINSKOI TEKHNIKI
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Filing: 1982-02-19
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Granted: 1984-03-06
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Expires: 2002-02-19
Abstract
Abstract The staple has two legs interconnected through a web. Each of the legs carries a rod having a pointed bottom end and a head. The head has a slot for the web to pass. A through hole or passage is made in the rod, which is open at the slot in the head and at the side rod surface. The rigidity of the leg decreases from the zone of interconnection with the web towards the leg end. A method of and forceps for removal of such a surgical staple are also disclosed.
Inventors
- 👤 Igor S. Karapetian
- 👤 Ivan A. Korolkov
- 👤 Nikolai N. Kapitanov
- 👤 Boris A. Smirnov
- 👤 Tatyana L. Ivanova
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:15
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/56; A61B17/58; A61B17/88; A61B17/92; A61B17/064; A61B17/0642; A61B17/10; A61B17/68; A61B2017/0647
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
92 words
A surgical staple, comprising two legs, a web interconnecting said two legs, pointed-end rods adapted to be fitted on each of the staple legs, each of said rods having a head with a slot for said web to pass, a through hole or passage in said rod for the respective staple leg to pass, said hole being open at said slot in said head and at the side surface of said rod, while the rigidity of said staple legs decreases from the zone of their interconnection with the web towards their end.
Claim 2
Dependent Claim
92 words
A surgical staple, comprising two legs, a web interconnecting said two legs, pointed-end rods adapted to be fitted on each of the staple legs, each of said rods having a head with a slot for said web to pass, a through hole or passage in said rod for the respective staple leg to pass, said hole being open at said slot in said head and at the side surface of said rod, while the rigidity of said staple legs decreases from the zone of their interconnection with the web towards their end.
Claim 3
Dependent Claim
55 words
A surgical staple as claimed in claim 1, wherein said through hole in the rod has an axial portion passing lengthwise the rod and open at the rod head, and a radial portion interconnected with said axial portion and open at the side rod surface, the axial portion-to-radial portion transition zone featuring a rounded-off pattern.
Claim 4
Dependent Claim
36 words
A surgical staple as claimed in claim 1, wherein the hole in the rod is made as an axial slot open at the side rod surface and having a rounded-off portion at the bottom end thereof.
Claim 5
Dependent Claim
26 words
A surgical staple as claimed in claim 1, wherein the staple leg grows thinner from the place of its interconnection with the web towards its end.
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) | 1987-03-06 | 1987-09-05 | 1988-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-03-06 | 1991-09-05 | 1992-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-03-06 | 1995-09-05 | 1996-03-06 | $7700.00 | Window Closed / Lapsed |