Automatic lumen viscous reseal

Details Automatic lumen viscous reseal Automatic lumen viscous reseal

1994-01-27

1995-04-18

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

604245, 604256, 137807, A61M 5178, A61M 500, F15B 2100

Patent

active

054074347

ABSTRACT:
The invention features a needle defining a flowpath, a housing comprising a proximal end and a distal inner seat leading to and defining a lumen, and a viscous material contained within the housing. The needle is slidable through the housing and the viscous material contained therein. The viscous material is fluid enough for the needle to slide therethrough, yet semi-solid enough to conform to the housing distal inner seat so as to form a seal thereat and prevent flow of fluid or air through the lumen.

REFERENCES:
patent: 3035600 (1962-05-01), Gilmont
patent: 4460018 (1984-07-01), Sweeney
patent: 4540411 (1985-09-01), Bodicky
patent: 4932938 (1990-06-01), Goldberg et al.
patent: 5071411 (1991-12-01), Hillstead
patent: 5078689 (1992-01-01), Keller
patent: 5088980 (1992-02-01), Leighton
patent: 5108375 (1992-04-01), Harrison et al.
patent: 5122121 (1992-06-01), Sos et al.

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