Self-administration device for liquid drugs

Details Self-administration device for liquid drugs Self-administration device for liquid drugs

1997-04-09

1999-04-06

Stright, Ronald

Surgery

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

Treating material introduced into or removed from body...

604214, A61M 5178

Patent

active

058911022

ABSTRACT:
A self-administration device includes a cylindrical casing opened at one end but closed at the opposite end. The closed opposite end is provided with a drug inflow port and a drug outflow port. An easily deformable and restorable reservoir is housed in the casing and is held by the closed end of the casing. The inflow port and outflow port are opened to the interior of the reservoir while a pushing device is provided at the open end of the casing and is movable along an inner wall of the casing to exert a pressure on the reservoir. A control device is provided for adjusting a moving distance of the pushing device to control a dosage of a liquid drug.

REFERENCES:
patent: 2849159 (1958-08-01), Kaufmann
patent: 3400716 (1968-09-01), Schultz
patent: 4801292 (1998-01-01), Watson

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