US4470533A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surgical instrument for suturing tissues and organs
Assignee: Ethicon Inc
•
Filing: 1982-08-13
•
Granted: 1984-09-11
•
Expires: 2002-08-13
Abstract
Abstract The invention relates to surgical instruments used for suturing or stapling tissues and organs.
Inventors
- 👤 Michael Schuler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:29
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/068; A61B17/072; A61B17/07207; A61B2017/07214
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
140 words
In a surgical instrument for suturing tissues and organs with at least one line of staples, said instrument comprising a supporting jaw to be located on one side of the tissue or organ to be sutured, a working face to be located on the opposite side of the tissue or organ to be sutured, means for locating said jaw and face in a cooperative position whereby at least one line of staples may be applied to the tissue or organ to be sutured, and means for actuating said line of staples to insert them into the tissue or organ placed between the jaws and face, the improvement comprising means for masking a portion of the line of staples so that a portion of the line of staples remain with the surgical instrument after said line of staples has been actuated.
Claim 2
Dependent Claim
140 words
In a surgical instrument for suturing tissues and organs with at least one line of staples, said instrument comprising a supporting jaw to be located on one side of the tissue or organ to be sutured, a working face to be located on the opposite side of the tissue or organ to be sutured, means for locating said jaw and face in a cooperative position whereby at least one line of staples may be applied to the tissue or organ to be sutured, and means for actuating said line of staples to insert them into the tissue or organ placed between the jaws and face, the improvement comprising means for masking a portion of the line of staples so that a portion of the line of staples remain with the surgical instrument after said line of staples has been actuated.
Claim 3
Dependent Claim
23 words
The improvement according to claim 1 wherein the masking means assists in stabilizing the tissue placed between the supporting jaw and working face.
Claim 4
Dependent Claim
30 words
The improvement according to claim 1 or 2 wherein the masking means is adjustable so as to vary the portion of the line of staples that remain with the instrument.
Claim 5
Dependent Claim
33 words
The improvement according to claim 1, or 2 wherein the masking means is made of a material that is penetratable by the staple legs whereby the staples are inserted in the masking means.
Claim 6
Dependent Claim
20 words
The improvement according to claim 4 wherein the masking means is disposed on the supporting jaw of the surgical instrument.
Claim 7
Dependent Claim
33 words
The improvement according to Claim 1, or 2 wherein the masking means is made of a material that deforms the staple legs whereby the staples remain in the working face of the instrument.
Claim 8
Dependent Claim
20 words
The improvement according to Claim 6 wherein the masking means is disposed on the supporting jaw of the surgical instrument.
Claim 9
Dependent Claim
22 words
The improvement according to Claim 1 or 2 wherein the masking means is removably attached to the supporting jaw of the instrument.
Claim 10
Dependent Claim
22 words
The improvement according to Claims 1 or 2 wherein the masking means is removably attached to the working face of the instrument.
Claim 11
Dependent Claim
28 words
The improvement according to Claim 4 wherein the masking means is adjustable so as to vary the portion of the line of staples that remain with the instrument.
Claim 12
Dependent Claim
28 words
The improvement according to Claim 6 wherein the masking means is adjustable so as to vary the portion of the line of staples that remain with the instrument.
References Cited (Backward Citations)
US2853074A
Cited
US2891250A
Cited
FR1278616A
Cited
US3244342A
Cited
US3494533A
Cited
US4086926A
Cited
US4290542A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-09-11 | 1988-03-12 | 1988-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-09-11 | 1992-03-12 | 1992-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-09-11 | 1996-03-12 | 1996-09-11 | $7700.00 | Window Closed / Lapsed |