Femoral arterial cannula

Details Femoral arterial cannula Femoral arterial cannula

1988-08-29

1990-07-31

Pellegrino, Stephen C.

Surgery

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

Treating material introduced into or removed from body...

604165, 604264, 604280, A61M 500

Patent

active

049447297

ABSTRACT:
An arterial cannula is formed with an angled shoulder that limits the degree of insertion of cannula tip into an artery. The shoulder also forms a seal with the artery. Suture flaps are formed on the cannula to attach the cannula to the patient's skin. A stylet for the cannula has a stop on its exterior that prevents blood flow between the cannula and the stylet, and permits clamping of the cannula with the stylet partially withdrawn. A removable anti-backflow ring seals the cannula and provides a convenient initial movement limit for the stylet stop.

REFERENCES:
patent: 3776239 (1973-12-01), Cooley
patent: 4194504 (1980-03-01), Harms et al.
patent: 4417886 (1983-11-01), Frankhouser et al.
patent: 4650473 (1987-03-01), Bartholomew et al.
patent: 4781692 (1988-11-01), Jagger et al.
patent: 4804365 (1989-02-01), Litzkie et al.

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