Patent US3692224A successfully refreshed from Google Patents.
US3692224A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surgical apparatus for suturing tissue with staples
Assignee: Individual
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Filing: 1970-10-15
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Granted: 1972-09-19
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Expires: 1990-10-15
Abstract
Abstract A surgical apparatus for suturing tissues with staples, comprising a support housing having an open longitudinal cavity wherein slidable rods of the staple housing and pusher are accommodated. The staple housing has a head provided with a socket in which a magazine with staples is entirely inserted. The staple housing and the pusher are provided with screw drives to axially shift them relative to the support housing. The apparatus also comprises a limit strip capable of retaining the magazine when it is completely pushed into the socket and holding the tissue being sutured. The limit strip interacts with the nut of the drive of the staple housing, whereby the drive of the pusher is blocked with the drive of the staple housing in such a manner that a predetermined sequence of actions is provided during the operation of the apparatus. In accordance with this sequence, the staple housing can move only after the magazine is completely pushed into the socket of the staple housing, and the pusher can displace only after the staple housing has defined for a maximal suturing gap between the working surface of the magazine and the die.
Inventors
- 👤 Georgy Vasilievich Astafiev
- 👤 Ivan Alexandrovich Korolkov
- 👤 Anatoly Nikolaevich Ozhgikhin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:18
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/04; A61B17/068; A61B17/072
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
214 words
A surgical apparatus for suturing tissues with staples, comprising a support housing with an open longitudinal cavity; a die on said support; a staple housing having an actuating rod provided with an external threaded end portion, and a head provided with a socket; said staple housing being disposed in said longitudinal cavity; a magazine loaded with staples, adapted to be entirely inserted in said socket, said magazine having a working surface adjacent to said die; a pusher having a pushing rod disposed in said longitudinal cavity; a first screw drive for axially shifting said staple housing, relatively to said support housing; a second screw drive for axially shifting said pusher relatively to said support housing; a limit strip slidably mounted on said staple housing for retaining said magazine into said socket and holding the tissue sutured; a safety device precluding premature displacement of said pusher relative to said staple housing, comprising blocking means cooperably with said first screw drive and said limit strip to provide a predetermined sequence of actions of the apparatus, said staple housing being displaceable only after said magazine is completely pushed into said socket, and said pusher being displaceable only after said staple housing has defined a maximal suturing gap between the working surface of said magazine and said die.
Claim 2
Dependent Claim
214 words
A surgical apparatus for suturing tissues with staples, comprising a support housing with an open longitudinal cavity; a die on said support; a staple housing having an actuating rod provided with an external threaded end portion, and a head provided with a socket; said staple housing being disposed in said longitudinal cavity; a magazine loaded with staples, adapted to be entirely inserted in said socket, said magazine having a working surface adjacent to said die; a pusher having a pushing rod disposed in said longitudinal cavity; a first screw drive for axially shifting said staple housing, relatively to said support housing; a second screw drive for axially shifting said pusher relatively to said support housing; a limit strip slidably mounted on said staple housing for retaining said magazine into said socket and holding the tissue sutured; a safety device precluding premature displacement of said pusher relative to said staple housing, comprising blocking means cooperably with said first screw drive and said limit strip to provide a predetermined sequence of actions of the apparatus, said staple housing being displaceable only after said magazine is completely pushed into said socket, and said pusher being displaceable only after said staple housing has defined a maximal suturing gap between the working surface of said magazine and said die.
Claim 3
Dependent Claim
122 words
A surgical apparatus as claimed in claim 1, in which said second screw drive comprises a threaded spindle, the end portion of the actuating rod including a threaded bore, said spindle being mounted in said bore and being connected with said pushing rod through a fork; said safety device further comprising a spring-loaded pawl; a longitudinal slot provided on said second screw drive, said pawl being pivotally mounted in said slot; said blocking means comprising a nut mounted upon the external threaded end portion of said actuating rod, having a forward end provided with a slot and a rear end, including an open recess having a bevel surface cooperable with said pawl, said nut being freely rotatably arranged on said support housing.
Claim 4
Dependent Claim
43 words
A surgical apparatus as claimed in claim 1, in which said limit strip has one end removably connected with said magazine, and the opposite end portion is provided with a handle, removably associated with said slot, when said strip occupies an inoperative position.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-09-19 | 1976-03-20 | 1976-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-09-19 | 1980-03-20 | 1980-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-09-19 | 1984-03-20 | 1984-09-19 | $7700.00 | Window Closed / Lapsed |