Pressure-actuated valve for sealing flow conduit

Details Pressure-actuated valve for sealing flow conduit Pressure-actuated valve for sealing flow conduit

1990-03-26

1991-12-10

Rosenbaum, C. Fred

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

604 9, 604264, 604280, 251 5, 251341, 251343, 251349, A61M 500, A61M 2500

Patent

active

050714112

ABSTRACT:
A pressure-actuated valve for sealing a flow conduit. The valve comprises a housing, and a tubular resilient valve carried within the housing. The tubular valve defines a lumen extending through the housing. Means are provided for varying the pressure in the space within the housing but outside of the tubular valve. Thus, the tubular valve can be urged to collapse inwardly by specific pressure applied.

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patent: 4798594 (1989-01-01), Hillstead
patent: 4895346 (1990-01-01), Steigerwald
patent: 4895565 (1990-01-01), Hillstead
patent: 4946133 (1990-08-01), Johnson et al.
patent: 4950254 (1990-08-01), Andersen et al.

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