US6022357A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surgical instrument
Assignee: Aesculap AG
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Filing: 1998-02-27
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Granted: 2000-02-08
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Expires: 2018-02-27
Abstract
Abstract A surgical instrument for releasing the press fit of a joint insert in a joint socket is characterized by at least two supports which are positionable on the edge of the joint socket and are connected to a striking surface which is arranged centrally in relation to the joint socket and is oriented away from the open side of the joint socket.
Inventors
- 👤 Gerhard Reu
- 👤 Juergen Strohm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:06
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/30; A61F2/32; A61F2/34; A61F2/46; A61F2/4637; A61F2/4603; A61F2/4609; A61F2002/30001; A61F2002/30316; A61F2002/30329; A61F2002/30331; A61F2002/30332; A61F2002/30345; A61F2002/30535; A61F2002/30589; A61F2002/30593; A61F2/30767; A61F2/30771; A61F2002/30795; A61F2002/30807; A61F2002/30808; A61F2002/3401; A61F2002/3403; A61F2002/4641; A61F2002/4681; A61F2002/4685; A61F2220/00; A61F2220/0025; A61F2220/0033; A61F2250/00; A61F2250/0058; A61F2250/0069; A61F2310/00; A61F2310/00005; A61F2310/00011; A61F2310/00179
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
95 words
A surgical instrument comprising: at least two supports adapted to be positioned on an edge of a joint socket for releasing the press fit of a joint insert in said joint socket; said supports being movably connected via a shaft to a striking surface arranged centrally in relation to said joint socket when said supports are positioned on the edge of the joint socket; and said striking surface being oriented away from an open side of said joint socket; wherein a force applied to said striking surface is transmitted to said support via said shaft.
Claim 2
Dependent Claim
95 words
A surgical instrument comprising: at least two supports adapted to be positioned on an edge of a joint socket for releasing the press fit of a joint insert in said joint socket; said supports being movably connected via a shaft to a striking surface arranged centrally in relation to said joint socket when said supports are positioned on the edge of the joint socket; and said striking surface being oriented away from an open side of said joint socket; wherein a force applied to said striking surface is transmitted to said support via said shaft.
Claim 3
Dependent Claim
19 words
A surgical instrument as defined in claim 1 comprising three supports offset in relation to one another by 120°.
Claim 4
Dependent Claim
21 words
A surgical instrument as defined in claim 2 wherein said supports form a collecting space for said joint insert when released.
Claim 5
Dependent Claim
31 words
A surgical instrument as defined in claim 1 wherein said supports have free ends that are adapted to be inserted into corresponding receiving holes at the edge of said joint socket.
Claim 6
Dependent Claim
38 words
A surgical instrument as defined in claim 1 wherein said supports have: sections extending perpendicularly to a plane formed by the edge of said joint socket, and adjoining sections oriented towards a center axis of said joint socket.
Claim 7
Dependent Claim
27 words
A surgical instrument as defined in claim 1 wherein said shaft comprises a central shaft carrying said striking surface at an end facing away from said supports.
Claim 8
Dependent Claim
23 words
A surgical instrument as defined in claim 6 wherein at least a portion of said central shaft is surrounded by a handle surface.
Claim 9
Dependent Claim
29 words
A surgical instrument as defined in claim 6 further comprising a suction holder for said joint insert, said suction holder being displaceable in a direction towards the joint socket.
Claim 10
Dependent Claim
29 words
A surgical instrument as defined in claim 1 further comprising a suction holder for said joint insert, said suction holder being displaceable in a direction towards the joint socket.
Claim 11
Dependent Claim
27 words
A surgical instrument as defined in claim 9 wherein said suction holder is displaceable in said direction towards said joint socket against the action of a spring.
Claim 12
Dependent Claim
15 words
A surgical instrument as defined in claim 10 wherein said suction holder carries a sucker.
Claim 13
Dependent Claim
21 words
A surgical instrument as defined in claim 9 further comprising a device for generating a vacuum associated with said suction holder.
Claim 14
Dependent Claim
18 words
A surgical instrument as defined in claim 9 wherein said suction holder has a handle for displacement thereof.
Claim 15
Dependent Claim
22 words
A surgical instrument as defined in claim 9 wherein said suction holder is arranged in a central shaft of the surgical instrument.
Claim 16
Dependent Claim
24 words
A surgical instrument as defined in claim 1 wherein said striking surface is designed as a connection piece for a mechanically operated striking tool.
Claim 17
Dependent Claim
33 words
A surgical instrument as defined in claim 1 wherein said striking surface comprises a solid striking shaft for transmitting a striking force from a striking tool to said joint socket via said supports.
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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) | 2003-02-07 | 2003-08-09 | 2004-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2007-02-07 | 2007-08-09 | 2008-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2011-02-07 | 2011-08-09 | 2012-02-08 | $7700.00 | Window Closed / Lapsed |