Automatic safety infusion catheter needle

Details Automatic safety infusion catheter needle Automatic safety infusion catheter needle

1998-07-15

1999-03-23

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

604167, A61M 5178

Patent

active

058852530

ABSTRACT:
An automatic safety infusion catheter needle including: a trifurcate connector having a first and a second connecting sections coaxially aligned with each other. An infusion soft needle inserted on the first connecting section of the trifurcate connector. A steel needle having a needle body slidably fitted in a sleeve and axially passed in the soft needle. The sleeve is connected with the second connecting section of the trifurcate connector. The holder body of the steel needle has a projecting post formed with an air guiding hole for exhausting the air outside and making the liquid medicine smoothly flow into the soft needle. An infusion catheter is serially connected with a third connecting section of the trifurcate connector for infusion of liquid medicine through the soft needle into the body of a patient.

REFERENCES:
patent: 5279570 (1994-01-01), Dombrowski et al.
patent: 5300032 (1994-04-01), Hibbs
patent: 5681288 (1997-10-01), Schlitt
patent: 5797882 (1998-08-01), Purdy et al.

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