Implantable medical device for delivering a liquid

Details Implantable medical device for delivering a liquid Implantable medical device for delivering a liquid

2005-12-13

2005-12-13

Lucchesi, Nicholas D. (Department: 3763)

Surgery

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

Treating material introduced into or removed from body...

C604S153000, C604S246000

Reexamination Certificate

active

06974445

ABSTRACT:
The invention concerns an implantable device (1) for delivering medicines in liquid form comprising: a reservoir (2) provided with an inlet (3) and an outlet (10), said reservoir (2) being adapted to expel the liquid; a variable volume chamber (5) provided with an inlet (11) and an outlet (12), the volume of the variable volume chamber (5) being in particular smaller than that of the reservoir (2); a first conduit (6) communicating the outlet (10) of the reservoir (2) with the inlet (11) of the variable volume chamber (5) to fill the latter; a second conduit (8) whereof one of the ends is connected on the outlet (12) of the variable volume chamber (5).

REFERENCES:
patent: 5067943 (1991-11-01), Burke
patent: 5193990 (1993-03-01), Lanigan et al.
patent: 5368571 (1994-11-01), Horres, Jr.
patent: 5785681 (1998-07-01), Indravudh
patent: 6554822 (2003-04-01), Holschneider et al.
patent: 0 387 439 (1990-09-01), None

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