Continuous injector of liquid medicine

Details Continuous injector of liquid medicine Continuous injector of liquid medicine

1989-06-30

1991-03-12

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

A61M 3700

Patent

active

049989189

ABSTRACT:
A continuous liquid medicine injector has a cylindrical body. A liquid medicine receiving portion is provided at one end of the cylindrical portion, and an instrument inserted into a human body which may be a needle is provided at the other end thereof. Two ends of a tubular rubber-like elastic film are fixed to an intermediate portion of the cylindrical body. A liquid medicine flow into the elastic film through a through-hole formed in the cylindrical body to inflate the elastic film, and the elastic film which has been inflated forms a pressurizing means of the liquid medicine. A thin tube having a predetermined inner diameter and a predetermined length is disposed within the cylindrical body. One end of the thin tube is made to communicate with the instrument inserted into the human body.

REFERENCES:
patent: 4202333 (1980-05-01), Thill et al.
patent: 4741733 (1988-05-01), Winchell et al.

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