Refillable injection device

Details Refillable injection device Refillable injection device

1986-06-05

1988-04-26

Rosenbaum, C. Fred

Surgery

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

Treating material introduced into or removed from body...

128344, 604207, 604236, 604271, 604247, 604248, 604 97, A61M 2902

Patent

active

047402032

ABSTRACT:
In a refillable injection device for use with a dilation catheter, a large bore syringe is used to refill a small bore syringe without disconnecting the syringe assembly from the catheter. A one-way valve prevents fluid from moving in the opposite direction. Movement of the small bore syringe plunger produces a high pressure, low volume flow and can be repeated if necessary after the small bore syringe is refilled. Subsequent movement of the large bore syringe plunger produces a low pressure, high volume flow.

REFERENCES:
patent: 857739 (1907-06-01), Kennerly et al.
patent: 4271839 (1981-06-01), Fogarty et al.
patent: 4446867 (1984-05-01), LeVeen et al.
patent: 4476866 (1984-10-01), Chin
patent: 4560378 (1985-12-01), Weiland
patent: 4610666 (1986-09-01), Pizzino

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