US4515348A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Skin staple extractor
Assignee: Technology Holding Co II
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Filing: 1981-10-15
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Granted: 1985-05-07
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Expires: 2001-10-15
Abstract
Abstract A manually operable surgical staple extractor has a first handle element provided with a finger-receiving ring end and a second handle element also provided with a finger-receiving ring end. A first and second front portion of the extractor contain a slot and blade section parallel to an anvil and are pivotally connected by a rivet.
Inventors
- 👤 Joseph W. Blake
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:59
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/076; B; B25; B25C; B25C11/00; B25C11/02
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
270 words
A manually operable extractor for surgical staples, comprising a first handle element having a first rear portion provided with a finger-receiving ring end, and a first front portion having a bifurcated forward end, said bifurcated forward end comprising first and second extensions of said first portion in overlapping parallel relationship to each other and separated by a space therebetween, a bight section joining said first and second extensions along one side thereof and extending parallel to a longitudinal edge of said first handle portion whereby said first and second extensions and said bight section define a U-shaped channel, said first and second extensions terminating in a pair of elongated anvil sections in parallel spaced relationship, said anvil sections having rearward ends with notches, and steep upwardly and rearwardly sloping edges from said notches to said bight section thereby defining a slot between said anvil sections; a second handle element having a second rear portion also provided with a finger-receiving ring end, and a second front portion terminating in a blade section, said second front portion pivotally mounted within said U-shaped channel of said first front portion with said blade section located between and parallel to said anvil sections and movable through said slot, said anvil sections being spaced apart throughout their length by a distance greater than the thickness of said blade section; rivet means for pivotably connecting said second handle element to said first handle element within said bifurcated forward end; and said finger-receiving ring ends comprising the sole means for spreading said rear portions of said handle elements apart and for bringing said rear portions toward each other.
Claim 2
Dependent Claim
270 words
A manually operable extractor for surgical staples, comprising a first handle element having a first rear portion provided with a finger-receiving ring end, and a first front portion having a bifurcated forward end, said bifurcated forward end comprising first and second extensions of said first portion in overlapping parallel relationship to each other and separated by a space therebetween, a bight section joining said first and second extensions along one side thereof and extending parallel to a longitudinal edge of said first handle portion whereby said first and second extensions and said bight section define a U-shaped channel, said first and second extensions terminating in a pair of elongated anvil sections in parallel spaced relationship, said anvil sections having rearward ends with notches, and steep upwardly and rearwardly sloping edges from said notches to said bight section thereby defining a slot between said anvil sections; a second handle element having a second rear portion also provided with a finger-receiving ring end, and a second front portion terminating in a blade section, said second front portion pivotally mounted within said U-shaped channel of said first front portion with said blade section located between and parallel to said anvil sections and movable through said slot, said anvil sections being spaced apart throughout their length by a distance greater than the thickness of said blade section; rivet means for pivotably connecting said second handle element to said first handle element within said bifurcated forward end; and said finger-receiving ring ends comprising the sole means for spreading said rear portions of said handle elements apart and for bringing said rear portions toward each other.
Claim 3
Dependent Claim
37 words
An extractor as defined in claim 1, wherein said first and second handle elements are provided with cooperating engagement portions for limiting the extent to which said handle elements can be moved with respect to each other.
Claim 4
Dependent Claim
24 words
An extractor as defined in claim 1, wherein said handle elements and said rivet means connecting said handle elements are composed of stainless steel.
Claim 5
Dependent Claim
24 words
An extractor as defined in claim 1, wherein said handle elements and said rivet means connecting said handle elements are composed of sterilizable material.
Claim 6
Dependent Claim
13 words
An extractor as defined in claim 4, wherein said sterilizable material is metal.
Claim 7
Dependent Claim
19 words
An extractor as defined in claim 4, wherein said sterilizable material is part metal and part synthetic plastic material.
Claim 8
Dependent Claim
22 words
An extractor as defined in claim 1 for single use, wherein at least said handle elements are made of synthetic plastic material.
Claim 9
Dependent Claim
17 words
An extractor as defined in claim 1, wherein each of said handle elements is of one-piece construction.
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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) | 1988-05-06 | 1988-11-05 | 1989-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-05-06 | 1992-11-05 | 1993-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-05-06 | 1996-11-05 | 1997-05-07 | $7700.00 | Window Closed / Lapsed |