Medical instrument valve having foam partition member

Details Medical instrument valve having foam partition member Medical instrument valve having foam partition member

1990-04-19

1993-05-04

Hirsch, Paul R.

Surgery

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

Treating material introduced into or removed from body...

604167, A61M 500

Patent

active

052076563

ABSTRACT:
A medical instrument such as a catheter introducer comprises a housing. The housing includes a valve for receiving and sealing an elongated member which penetrates the valve. The valve comprises an elastomeric partition member. By this invention, the partition member comprises a foamed elastomer material to facilitate penetration of the elongated member therethrough and sealing of the valve

REFERENCES:
patent: 4000739 (1977-01-01), Stevens
patent: 4324239 (1982-04-01), Gordon et al.
patent: 4475548 (1984-10-01), Muto
patent: 4610665 (1986-09-01), Matsumoto et al.
patent: 4626245 (1986-12-01), Weinstein
patent: 4673393 (1987-06-01), Suzuki et al.
patent: 4693257 (1987-09-01), Markham
patent: 4798594 (1989-01-01), Hillstead
patent: 4895346 (1990-01-01), Steigerwald
patent: 4895565 (1990-01-01), Hillstead
patent: 4950257 (1990-08-01), Hibbs et al.

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