US4605004A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surgical instrument for applying fasteners said instrument including force supporting means (case IV)
Assignee: Ethicon Inc
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Filing: 1984-07-16
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Granted: 1986-08-12
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Expires: 2004-07-16
Abstract
Abstract A surgical instrument for applying fasteners to tissue to be joined. The instrument includes a stationary jaw and a movable jaw mounted on a support body. The instrument has force supporting means cooperating with the movable jaw to reinforce the jaw as the fasteners are being placed in the tissue.
Inventors
- 👤 John Di Giovanni
- 👤 John Kula
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:11
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/068; A61B17/072; A61B2017/07214; A61B2017/0725
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
176 words
A surgical instrument for stitching tissue by means of staples, said instrument comprising a support body, a pair of jaws mounted at one end of said support body, a staple housing mounted in one of said jaws, said jaw containing said staple housing being movable with respect to the other of said jaw means mounted on said support body for moving said jaw containing said staple housing towards the other jaw to close the gap therebetween and clamp tissue therebetween, drive means mounted on said support body for driving the staples from the jaw containing the staple housing towards the opposite jaw, actuating means mounted at the end of said support body opposite said end on which the jaws are mounted for actuating said staple drive means, the improvement comprising engaging means connecting the support body and movable jaws containing the staple housing when the appropriate gap is set between the jaws to reinforce the central portion of said jaw and transmit forces from the jaw to the support body while the staples are being driven.
Claim 2
Dependent Claim
176 words
A surgical instrument for stitching tissue by means of staples, said instrument comprising a support body, a pair of jaws mounted at one end of said support body, a staple housing mounted in one of said jaws, said jaw containing said staple housing being movable with respect to the other of said jaw means mounted on said support body for moving said jaw containing said staple housing towards the other jaw to close the gap therebetween and clamp tissue therebetween, drive means mounted on said support body for driving the staples from the jaw containing the staple housing towards the opposite jaw, actuating means mounted at the end of said support body opposite said end on which the jaws are mounted for actuating said staple drive means, the improvement comprising engaging means connecting the support body and movable jaws containing the staple housing when the appropriate gap is set between the jaws to reinforce the central portion of said jaw and transmit forces from the jaw to the support body while the staples are being driven.
Claim 3
Dependent Claim
36 words
A surgical instrument according to claim 1 wherein the engaging means is mounted on the movable jaw to move therewith to connect to the support body when the appropriate gap between the jaws has been set.
Claim 4
Dependent Claim
50 words
A surgical instrument according to claim 1 wherein the engaging means for reinforcing the central portion of the jaw is a spring actuated panel mounted on the movable jaw which moves into place between the support body and the movable jaw once an appropriate gap is set between the jaws.
Claim 5
Dependent Claim
35 words
A surgical instrument according to claim 1 wherein a spring actuated pair of pawls are positioned to connect the support body and the movable jaw to reinforce said jaw once an appropriate gap is set.
Claim 6
Dependent Claim
44 words
A surgical instrument according to claim 1 wherein a pair of spring actuated pawls are mounted on the movable jaw when an appropropriate gap is set between the jaws and the free end of each pawl is urged into contact with the support body.
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) | 1989-08-11 | 1990-02-10 | 1990-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-08-11 | 1994-02-10 | 1994-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-08-11 | 1998-02-10 | 1998-08-12 | $7700.00 | Window Closed / Lapsed |