Implantable device for chronically injecting a substance, in par

Details Implantable device for chronically injecting a substance, in par Implantable device for chronically injecting a substance, in par

1986-05-21

1987-12-01

Truluck, Dalton L.

Surgery

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

Treating material introduced into or removed from body...

604175, 604891, A61M 500

Patent

active

047101679

ABSTRACT:
The invention concerns a device to be implanted in an accessible subcutaneous zone of the body of a patient in order to constitute a chronic injection site of a liquid, in particular a therapeutant. This device includes an injection chamber (12) bounded by an integral rigid case (11) provided for that purpose with a recess of rounded, concave shape; the case (11) is provided around the recess with a rim (13) on which is impermeably fixed the rim of an elastic membrane (14) which in its rest state is essentially plane. A catheter (17) is connected to the injection chamber (12) and issues into the deepest part of the recess forming this chamber.

REFERENCES:
patent: 3310051 (1967-03-01), Schulte
patent: 4405305 (1983-09-01), Stephen et al.
patent: 4543088 (1985-09-01), Bootman et al.
patent: 4544371 (1985-10-01), Dormandy et al.

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