Catheter for injecting a fluid or medicine

Details Catheter for injecting a fluid or medicine Catheter for injecting a fluid or medicine

1994-05-02

1995-05-30

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

604164, 128831, A61M 500

Patent

active

054197775

ABSTRACT:
An injection catheter including a catheter stem, a cathetertip, and a bundle of injection needles, wherein either the catheter tip is axially displaceable relative to the catheter shaft or the catheter tip is fixedly connected to the catheter stem and the bundle of injection needles is longitudinally displaceable relative to the catheter tip. The catheter tip may take various forms, as the injection needles within the catheter stem may take various forms and may be guided in various ways. An operating device is provided for effecting relative movements between the injection needles and the catheter tip, which operating device comprises two parts that are controllably displaceable relative to one another, thereby to cause the injection needles to be exposed or retracted. The operating device also includes inlets allowing medication to be applied through the injection needles.

REFERENCES:
patent: 3598119 (1971-08-01), White
patent: 4136695 (1979-01-01), Dafoe
patent: 4578061 (1984-07-01), Lemelson

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