US4449530A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hemostatic clips and method of manufacture
Assignee: Ethicon Inc
•
Filing: 1981-07-15
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Granted: 1984-05-22
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Expires: 2001-07-15
Abstract
Abstract Metallic, hemostatic clips providing a reduced gap when closed about a tubular vessel.
Inventors
- 👤 Lee P. Bendel
- 👤 Timothy Sardelis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:06
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/12; A61B17/122
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
111 words
A metal hemostatic clip comprising a pair of leg members connected at their proximal ends by a thinned hinge area, said hinge area being at least from 8% to 30% thinner than the thickness of a leg member and said thinned area being slightly wider than and extending a distance along each leg member from the proximal end thereof towards the distal end thereof a distance of from 1/2 to 3 times the thickness of a leg member, said distance being such that whereby on closing of the clip, the clip bends in the thinned area and when the clip is closed there is substantially no gap between the leg members.
Claim 2
Dependent Claim
111 words
A metal hemostatic clip comprising a pair of leg members connected at their proximal ends by a thinned hinge area, said hinge area being at least from 8% to 30% thinner than the thickness of a leg member and said thinned area being slightly wider than and extending a distance along each leg member from the proximal end thereof towards the distal end thereof a distance of from 1/2 to 3 times the thickness of a leg member, said distance being such that whereby on closing of the clip, the clip bends in the thinned area and when the clip is closed there is substantially no gap between the leg members.
Claim 3
Dependent Claim
25 words
A clip according to claim 1 wherein the hinge section is from about 11% to about 20% thinner than the thickness of a leg member.
Claim 4
Dependent Claim
32 words
A clip according to claim 1 or 2 wherein the thinned hinge area extends along each leg member a distance from about 1 to 2 times the thickness of a leg member.
Claim 5
Dependent Claim
16 words
A clip according to claim 1, or 2 wherein the clip is a stainless steel clip.
Claim 6
Dependent Claim
22 words
A clip according to claim 1, or 2 wherein at least one surface of the leg members has an embossed pattern thereon.
Claim 7
Dependent Claim
14 words
A clip according to claim 5 wherein the embossed pattern is a diamond pattern.
References Cited (Backward Citations)
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US2757665A
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US3006344A
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US3032039A
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US3175556A
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US3204636A
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US3166071A
Cited
US3363628A
Cited
US3766926A
Cited
US4091815A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-05-22 | 1987-11-21 | 1988-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-05-22 | 1991-11-21 | 1992-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-05-22 | 1995-11-21 | 1996-05-22 | $7700.00 | Window Closed / Lapsed |