Infusion pump

Details Infusion pump Infusion pump

2002-11-06

2009-10-13

Lucchesi, Nicholas D (Department: 3763)

Surgery

Controlled release therapeutic device or system

Reexamination Certificate

active

07601148

ABSTRACT:
Known variable flow pumps (VF pumps) are characterized by significant inaccuracies in the delivery quantities. In addition, they cause cosmetic problems in the carrier after implantation as a result of their external configuration. The invention provides an implantable VF pump, which resolves the disadvantages. To achieve this, the battery-driven delivery device is configured according to piezoelectric principles and the external surface of the upper pump housing shell is provided with expansion joints.

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