Catheter having slit tip

Details Catheter having slit tip Catheter having slit tip

1984-06-01

1989-01-31

Rosenbaum, C. Fred

Surgery

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

Treating material introduced into or removed from body...

604264, 604247, A61M 2500

Patent

active

048012971

ABSTRACT:
The present catheter employee a series of axial slits adjacent to its tip. The slits act to increase the flexibility of the catheter adjacent the tip thereby providing pressure relief in the event of blockage of the lumen at the tip. In addition, by forming the slits as slots, i.e. by removing material from the slits, it is possible to provide a catheter having flow through the sides adjacent to the tip for any desired purpose.

REFERENCES:
patent: 634363 (1899-10-01), Morrison
patent: 1103967 (1914-07-01), Hughes
patent: 1806517 (1931-05-01), Bellows
patent: 1852427 (1932-04-01), Lopatin
patent: 3020913 (1962-02-01), Heyer
patent: 3828767 (1974-08-01), Spiroff
patent: 3888249 (1975-06-01), Spencer
patent: 4282876 (1981-08-01), Flynn
patent: 4345594 (1982-08-01), Bisera et al.
patent: 4385635 (1983-05-01), Ruiz
patent: 4431426 (1984-02-01), Groshong et al.
patent: 4445897 (1984-05-01), Ekbladh et al.
patent: 4531943 (1985-07-01), Van Tassel et al.

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