EP0638290A1
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Seal assembly for accommodating introduction of surgical instruments
Assignee: United States Surgical Corp
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Filing: 1994-07-13
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Granted: —
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Expires: 2014-07-13
Abstract
Abstract A seal assembly 10 is provided which includes a gimbal-like structure permitting rotation of a mounting member 25 relative to the housing 20. The rotation of the mounting member allows the seal member 28 to align with an instrument being inserted therethrough. The seal assembly is adapted to be detachably mounted to a cannula assembly for use in endoscopic surgery.
Inventors
- 👤 David T. Green
- 👤 Salvatore Castro
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-06 23:20
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/34; A61B17/3462; A61M; A61M39/00; A61M39/02; A61M39/06; A61B2017/3464; A61M2039/0626; A61M2039/0686
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
38 words
A seal assembly adapted to allow passage of surgical instrument, which comprises: - a mounting member; - a seal member mounted to said mounting member; and - a housing, said mounting member being rotatably mounted within said housing.
Claim 2
Dependent Claim
22 words
The seal assembly of claim 1, further comprising at least one guide wall to guide said surgical instrument through said seal member.
Claim 3
Dependent Claim
37 words
The seal assembly of claim 1 or 2, further comprising a limiting ring which limits the rotation of said mounting member to up to about 25 degrees with respect to a longitudinal axis defined by said housing.
Claim 4
Dependent Claim
48 words
The seal assembly of claim 1, 2 or 3, wherein said mounting member includes a convex, arcuate outer face and said housing includes a concave ring-like track, and said arcuate outer face of said mounting member is adapted to cooperate with said concave ring-like track of said housing.
Claim 5
Dependent Claim
22 words
The seal assembly of any one of the preceding claims, further comprising at least one seal protector positioned adjacent said seal member.
Claim 6
Dependent Claim
28 words
The seal assembly of any one of the preceding claims, wherein said housing further includes a bellows structure therewith, said bellows structure being associated with said mounting member.
Claim 7
Dependent Claim
23 words
The seal assembly of any one of the preceding claims, wherein said housing is adapted to be detachably mounted to a cannula assembly.
Claim 8
Dependent Claim
33 words
The seal assembly of any one of the preceding claims, wherein said seal member is fabricated from a resilient material and is adapted to accommodate instruments ranging in diameter from 4 to 15mm.
Claim 9
Dependent Claim
66 words
In combination: (a) a cannula assembly which includes a cannula housing and a cannula, said cannula housing including a valve assembly which is adapted to provide a fluid-tight seal; and (b) a seal assembly associated with said cannula assembly, said seal assembly including a mounting member, a seal member mounted to said mounting member, and a housing, said mounting member being rotatably mounted within said housing.
Claim 10
Dependent Claim
16 words
The combination of claim 11, wherein said seal assembly is detachably mounted to said cannula assembly.
References Cited (Backward Citations)
WO1993001850A1
Cited
US5211370A
Cited
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