Applied Precision, Inc.

Guy Lazorthes

The invention concerns a sequential and manually actuated feed device for implantation in an accessible subcutaneous region of a patient for the purpose of sequentially dosing a liquid, in particular a therapeutant. This device comprises a reservoir consisting of a flexible pouch, a filling site (2) located at the rim of said pouch in order to inject the liquid into it, and a manual pump (3) located in the opposite zone of the pouch in order to supply the liquid dose by dose to a catheter (20). The pump has a rigid case with a recess and bearing an expulsion membrane so as to bound a volume chamber; safety means prevent any accidental injection in the event of a spurious pressure exerted on the flexible pouch.

Manually actuated, implantable device to sequentially feed doses of a

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.

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Toulouse, France

Guy Lazorthes