Patent US5676678A successfully refreshed from Google Patents.
US5676678A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surgical instrument with releasable jaw holder
Assignee: Individual
•
Filing: 1994-06-01
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Granted: 1997-10-14
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Expires: 2014-06-01
Abstract
Abstract In a surgical instrument with at least one jaw part (9) actuatable via a pull or push element (10), the pull or push element (10) is to extend through a tube (13), at the end of which the at least one jaw part (9) is arranged. The jaw part (9) is releasably connected to the tube (13) via a holder (8) and is arranged for removal together with the pull or push element (10) from the tube (13).
Inventors
- 👤 Gerhard Schad
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:43
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/28; A61B17/29; A61B2017/0046; A61B2017/00464; A61B2017/2926; A61B2017/2931; A61B2017/2948
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
115 words
A surgical instrument with at least one jaw part actuatable via a pull or push element, said pull or push element extending through an inner tube having said at least one jaw part releasably connected to an end thereof, and being surrounded by an outer tube which is slidably seated on said inner tube, wherein: said jaw part is connected to a holder in the fashion of a rotary joint; and an end of said holder is releasably coupled to said end of said inner tube via a projection which is releasably seated in a cavity; said projection being secured in said cavity when said outer tube is slidably positioned to substantially surround said projection.
Claim 2
Dependent Claim
115 words
A surgical instrument with at least one jaw part actuatable via a pull or push element, said pull or push element extending through an inner tube having said at least one jaw part releasably connected to an end thereof, and being surrounded by an outer tube which is slidably seated on said inner tube, wherein: said jaw part is connected to a holder in the fashion of a rotary joint; and an end of said holder is releasably coupled to said end of said inner tube via a projection which is releasably seated in a cavity; said projection being secured in said cavity when said outer tube is slidably positioned to substantially surround said projection.
Claim 3
Dependent Claim
29 words
An instrument as defined in claim 1, wherein: said cavity is disposed at said end of said inner tube; said projection is disposed at said end of said holder.
Claim 4
Dependent Claim
34 words
An instrument as defined in claim 2, wherein: snap legs are disposed at said end of said inner tube for releasably seating said projection of said holder in said cavity of said inner tube.
Claim 5
Dependent Claim
44 words
An instrument as defined in claim 2, wherein: said inner tube is designed in the fashion of a collet at said end thereof, with collet grippers embracing said projection of said holder for releasably seating said projection in said cavity of said inner tube.
Claim 6
Dependent Claim
21 words
An instrument as defined in claim 1, wherein: said pull or push element extends through an inner bore in said holder.
Claim 7
Dependent Claim
20 words
An instrument as defined in claim 1, wherein: said inner tube is connected to a rotary part for rotation therewith.
Claim 8
Dependent Claim
33 words
An instrument as defined in claim 6, wherein: said rotary part has a recess which surrounds said inner tube and in which said outer tube is supported against a spring and releasably guided.
Claim 9
Dependent Claim
40 words
An instrument as defined in claim 7, wherein: said outer tube is guided with hook projections in an annular groove in said recess, said annular groove having undercut rim edges, and axially parallel longitudinal slots being formed in said recess.
Claim 10
Dependent Claim
18 words
An instrument as defined in claim 7, wherein: said rotary part is releasably connected to a clamping part.
Claim 11
Dependent Claim
31 words
An instrument as defined in claim 9, wherein: a thrust part is placed on a tube section of said clamping part and is supported via a spring against said clamping part.
Claim 12
Dependent Claim
22 words
An instrument as defined in claim 10, wherein the thrust part has detent depressions for receiving detent noses on said rotary part.
Claim 13
Dependent Claim
42 words
An instrument as defined in claim 10, wherein: said thrust part acts on balls in ball receptacles in said tube section by means of a conical bore and presses these into an annular channel in a bolt section of said rotary part.
Claim 14
Dependent Claim
35 words
An instrument as defined in claim 10, wherein: said tube section has an annular groove for insertion of a snap ring which in the operational position engages behind a stop ring in said thrust part.
Claim 15
Dependent Claim
29 words
An instrument as defined in claim 9, wherein: an insert which releasably connects said pull or push element with an actuating device is slidably arranged in said clamping part.
Claim 16
Dependent Claim
30 words
An instrument as defined in claim 14, wherein: said insert comprises a collet part which has a ball cavity for receiving a ball formed on said pull or push element.
Claim 17
Dependent Claim
50 words
An instrument as defined in claim 15, wherein: a thrust part is placed on a tube section of said clamping part and is supported via a spring against said clamping part; and collet legs of said collet part are subjected to the pressure of guide cams of said thrust part.
Claim 18
Dependent Claim
67 words
An instrument as defined in claim 16, wherein: a thrust part is placed on a tube section of said clamping part and is supported via a spring against said clamping part; and said guide cams pass through longitudinal slots in said tube section of said clamping part and act with pressure on a collet head of said collet part, and an annular hollow adjoins said collet head.
Claim 19
Dependent Claim
27 words
An instrument as defined in claim 15, wherein: a connecting rod having a ball for connection to a handle part is releasably connected to said collet part.
Claim 20
Dependent Claim
25 words
An instrument as defined in claim 18, wherein: said collet part is supported via a spring against a cover through which said connecting rod extends.
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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) | 2000-10-13 | 2001-04-14 | 2001-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2004-10-13 | 2005-04-14 | 2005-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2008-10-13 | 2009-04-14 | 2009-10-14 | $7700.00 | Window Closed / Lapsed |