Cannula with soft tip

Details Cannula with soft tip Cannula with soft tip

1981-09-16

1983-09-06

Apley, Richard J.

Surgery

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

Treating material introduced into or removed from body...

604 43, 604 54, 604282, 12820022, 12820714, A61M 1900, A61M 2500, A61M 3100

Patent

active

044026846

ABSTRACT:
A cannula comprising, an elongated catheter of elastic material and having a relatively soft distal tip. The catheter has a lumen extending from the tip to a proximal end of the catheter, and a plurality of openings in a distal end portion of the catheter communicating between the lumen and the outside of the catheter. The cannula has an elongated relatively rigid stylet snugly received in the catheter lumen, with the cannula having one or more channels communicating between a proximal end of the stylet and the openings.

REFERENCES:
patent: 2135052 (1938-11-01), Rose
patent: 3154075 (1964-10-01), Weckesser
patent: 3512526 (1970-05-01), Fielding
patent: 3630206 (1971-12-01), Gingold
patent: 3885567 (1975-05-01), Ross
patent: 3957055 (1976-05-01), Linder et al.
patent: 4068664 (1978-01-01), Sharp et al.
patent: 4167186 (1979-09-01), Pick et al.
patent: 4239042 (1980-12-01), Asai

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