US4458682A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Non-metallic, bio-compatible hemostatic clips (ring lock clips)
Assignee: Ethicon Inc
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Filing: 1982-08-02
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Granted: 1984-07-10
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Expires: 2002-08-02
Abstract
Abstract A sterile hemostatic clip for occluding vessels. The clip comprises a pair of diverging leg members and a ring member. The ring member is placed over the hinge portion of the clip and slides along the legs to occlude a vessel placed between the leg members.
Inventors
- 👤 Robert J. Cerwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:16
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/12; A61B17/122
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
110 words
A sterile hemostatic clip for use in occluding a vessel, said clip comprising a pair of diverging leg members connected at their proximal end by a resilient hinge portion, each leg member has a vessel clamping surface, the vessel clamping surfaces of the leg members face each other when the clip is in a closed position, a ring member adapted to pass over said hinge portion and urge the leg members together so that the vessel clamping surfaces are substantially parallel to occlude a vessel placed between said leg members and means associated with said leg members to lock said ring member in place when said vessel has been occluded.
Claim 2
Dependent Claim
110 words
A sterile hemostatic clip for use in occluding a vessel, said clip comprising a pair of diverging leg members connected at their proximal end by a resilient hinge portion, each leg member has a vessel clamping surface, the vessel clamping surfaces of the leg members face each other when the clip is in a closed position, a ring member adapted to pass over said hinge portion and urge the leg members together so that the vessel clamping surfaces are substantially parallel to occlude a vessel placed between said leg members and means associated with said leg members to lock said ring member in place when said vessel has been occluded.
Claim 3
Dependent Claim
30 words
A sterile hemostatic clip according to claim 1 wherein the means for locking the ring member in place comprises an indentation placed in the outer surface of a leg member.
Claim 4
Dependent Claim
30 words
A sterile hemostatic clip according to claim 1 wherein the ring member is attached to at least one of the leg members when the clip is in the open position.
Claim 5
Dependent Claim
14 words
A sterile hemostatic clip according to claim 1 made from an absorbable polymeric material.
Claim 6
Dependent Claim
20 words
A sterile hemostatic clip according to claim 4 where the absorbable polymeric material is a copolymer of lactide and glycolide.
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) | 1987-07-10 | 1988-01-09 | 1988-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-07-10 | 1992-01-09 | 1992-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-07-10 | 1996-01-09 | 1996-07-10 | $7700.00 | Window Closed / Lapsed |