Implantable infusion device and method of manufacture thereof

Details Implantable infusion device and method of manufacture thereof Implantable infusion device and method of manufacture thereof

1990-04-13

1992-09-15

Ball, Michael W.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

219105, 219107, 264230, 264249, B23K 1102, B29C 6102

Patent

active

051474832

ABSTRACT:
An improved infusion device is of the type which can be implanted for drug delivery within a patient's body, and supplied with infusate without the need for surgical removal. The infusion device has a housing forming a chamber and an entry port into the chamber. The entry port is closed by a septum. The septum has a convex top section extending from the housing, and a frusto-conical section which matingly engages a similarly shaped interior surface of the housing. The interior surface can be provided with a plurality of notches with which the septum engages by material flexure. This arrangement improves retention of the septum and operation of the infusion device, and permits advances in the method by which such devices are manufactured.

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