Patent US6860869B2 successfully refreshed from Google Patents.
US6860869B2
Expired / Lapsed
US
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Surgical instrument seal assembly
Assignee: Conmed Corp
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Filing: 2001-09-12
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Granted: 2005-03-01
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Expires: 2021-09-12
Abstract
Abstract A surgical seal assembly which forms a seal about a surgical instrument thus preventing the leakage of fluids, gases and the like. The surgical seal assembly includes a valve with a reinforcing layer. The reinforcing layer is preferably a woven fabric and an elastomeric material such as silicon or other similar material. The reinforcing layer expands proportionally with the insertion of the surgical instrument, is tear or puncture resistant and is designed to accommodate off axis alignment and insertion of the surgical instrument.
Inventors
- 👤 William G. Dennis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:10
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/34; A61B17/3462; A61B2017/3464
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
86 words
A seal assembly, comprising: an upper body portion; a lower body portion projecting below the upper body portion; and a valve seal comprising: an upper seal portion mounted in the upper body portion and about a throughbore; and a lower seal portion extending from the upper seal portion, the lower seal portion being adapted to seal around the surgical instrument, wherein at least one of the upper seal portion and the lower seal portion includes a reinforcing layer of woven material encapsulated within an elastomeric material.
Claim 2
Dependent Claim
86 words
A seal assembly, comprising: an upper body portion; a lower body portion projecting below the upper body portion; and a valve seal comprising: an upper seal portion mounted in the upper body portion and about a throughbore; and a lower seal portion extending from the upper seal portion, the lower seal portion being adapted to seal around the surgical instrument, wherein at least one of the upper seal portion and the lower seal portion includes a reinforcing layer of woven material encapsulated within an elastomeric material.
Claim 3
Dependent Claim
77 words
The seal assembly of claim 1 , wherein: the upper body portion includes an upper surface that defines a throughbore extending completely through the seal assembly; the lower body portion defines a cannula receiving opening adapted to mount the seal assembly on the cannula; and the upper seal portion includes a mounting portion mounted in the upper body portion adjacent an interior portion of the upper body portion, the upper seal portion is mounted about the throughbore.
Claim 4
Dependent Claim
36 words
The seal assembly of claim 1 , wherein: the upper body portion further comprises an inner support member extending inwardly into the interior portion of the upper body; and the inner support member includes a shoulder.
Claim 5
Dependent Claim
40 words
The seal assembly of claim 3 , further comprising a shoulder extending from a transition wall into an interior portion of the lower body portion, the shoulder of the transition wall mating with the shoulder of the inner support member.
Claim 6
Dependent Claim
33 words
The seal assembly of claim 1 , wherein the upper seal portion includes a generally frusto-conical lower sealing member having a taper that is different from a taper of the lower seal portion.
Claim 7
Dependent Claim
14 words
The seal assembly of claim 1 , wherein the woven material is expandable fabric.
Claim 8
Dependent Claim
26 words
The seal assembly of claim 6 , wherein the woven material is encapsulated within the elastomeric material and expands proportionally with an insertion of an instrument.
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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) | 2008-02-29 | 2008-08-30 | 2009-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2012-02-29 | 2012-08-30 | 2013-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2016-02-29 | 2016-08-30 | 2017-03-01 | $7700.00 | Window Closed / Lapsed |