Title:
【発明の名称】体腔内に器具を導入するための弁組立体
Document Type and Number:
Japanese Patent JP2741830
Kind Code:
B2
Abstract:
A valve assembly (10) for maintaining a substantial fluid tight seal between an internal portion of a patient's body and an outside atmosphere during introduction of a surgical instrument into the patient's body, which comprises: at least one sealing gasket assembly (36) including at least a pair of overlapping elements (38,40) defining a passageway (46) therethrough, said elements forming a substantial gas tight seal prior to inserting an instrument therethrough, said elements being constructed of a flexible material to allow passage of said instrument through said passageway; and at least one deformable sealing element (20) fabricated at least in part from a flexibly resilient material and defining a substantially central aperture for accommodating said instrument such that said flexibly resilient material defining said aperture engages the surface of the instrument to provide a substantially fluid tight seal for preventing passage of fluids past said deformable sealing element.
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Inventors:
David tea green
Henry Boranos
Salvator Castro
Henry Earl Cienkiewicks
Stephen A. Defonzo
Douglas Jay Cooney
Wayne P Young
Henry Boranos
Salvator Castro
Henry Earl Cienkiewicks
Stephen A. Defonzo
Douglas Jay Cooney
Wayne P Young
Application Number:
JP9958493A
Publication Date:
April 22, 1998
Filing Date:
April 26, 1993
Export Citation:
Assignee:
United States Surgical Corporation
International Classes:
A61M39/00; A61M25/00; A61M39/06; A61B17/34; (IPC1-7): A61M39/00; A61M25/00
Domestic Patent References:
| JP2224670A | ||||
| JP528351U |
Other References:
【文献】米国特許4634432(US,A)
Attorney, Agent or Firm:
Minoru Nakamura (6 outside)