US5630539A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laparoscopic stapler with overload sensor and interlock
Assignee: United States Surgical Corp
•
Filing: 1995-11-27
•
Granted: 1997-05-20
•
Expires: 2015-11-27
Abstract
Abstract A surgical stapler with an overload sensor and lockout is disclosed. The surgical stapler is particularly useful in laparoscopic surgical procedures.
Inventors
- 👤 Alan K. Plyley
- 👤 Claude A. Vidal
- 👤 Roger Lagerquist
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:39
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/068; A61B17/072; A61B17/07207; A61B2017/07214; A61B90/00; A61B90/03
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
158 words
A surgical stapler comprising: (a) a housing; (b) an elongated shaft, defining a longitudinal axis, mounted to said housing; (c) first and second jaws mounted with respect to said elongated shaft, said first and second jaws being movable with respect to each other so as to receive tissue therebetween; (d) an approximating handle movably mounted with respect to said housing; and (e) an assembly having proximal and distal ends and an intermediate portion, said assembly movably mounted with respect to said elongated shaft and operatively connected to said approximating handle at said intermediate portion and to at least one of said first and second jaws at said distal end, said intermediate portion adapted to move inwardly with respect to said longitudinal axis to a first position and further adapted to move to a second position longitudinally offset from said first position in response to a preselected stimulus exerted on at least one of said first and second jaws.
Claim 2
Dependent Claim
158 words
A surgical stapler comprising: (a) a housing; (b) an elongated shaft, defining a longitudinal axis, mounted to said housing; (c) first and second jaws mounted with respect to said elongated shaft, said first and second jaws being movable with respect to each other so as to receive tissue therebetween; (d) an approximating handle movably mounted with respect to said housing; and (e) an assembly having proximal and distal ends and an intermediate portion, said assembly movably mounted with respect to said elongated shaft and operatively connected to said approximating handle at said intermediate portion and to at least one of said first and second jaws at said distal end, said intermediate portion adapted to move inwardly with respect to said longitudinal axis to a first position and further adapted to move to a second position longitudinally offset from said first position in response to a preselected stimulus exerted on at least one of said first and second jaws.
Claim 3
Dependent Claim
16 words
The surgical stapler of claim 1, wherein said approximating handle is pivotally mounted to said housing.
Claim 4
Dependent Claim
30 words
The surgical stapler of claim 1, wherein said approximating handle defines a cam slot and said assembly includes a member at said intermediate portion movably positioned within said cam slot.
Claim 5
Dependent Claim
29 words
The surgical stapler of claim 1, further comprising a spring member mounted with respect to said proximal end of said assembly and biasing said proximal end against longitudinal movement.
Claim 6
Dependent Claim
14 words
The surgical stapler of claim 1, wherein said assembly includes at least two links.
Claim 7
Dependent Claim
32 words
The surgical stapler of claim 1, wherein said preselected stimulus includes a thickness of tissue in excess of that compatible with a staple mounted in one of said first and second jaws.
Claim 8
Dependent Claim
23 words
The surgical stapler of claim 1, wherein said handle is blocked from inward movement when said intermediate portion is in said second position.
Claim 9
Dependent Claim
30 words
The surgical stapler of claim 1, further comprising a trigger movably mounted to said housing, said trigger actuating a staple forming apparatus operatively associated with the first and second jaws.
Claim 10
Dependent Claim
17 words
The surgical stapler of claim 1, wherein said trigger is blocked from movement in said second position.
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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) | 2000-05-19 | 2000-11-18 | 2001-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2004-05-19 | 2004-11-18 | 2005-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2008-05-19 | 2008-11-18 | 2009-05-20 | $7700.00 | Window Closed / Lapsed |