A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 5/142 (2006.01) F04B 43/09 (2006.01)
Patent
CA 2469217
Known variable flow pumps (VF pumps) are characterised 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 said 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.
Les pompes à débit variable connues se distinguent par d'importantes imprécisions des débits. De plus, une fois implantées, elles provoquent des problèmes cosmétiques chez le patient. L'invention vise à proposer une pompe à débit variable implantable qui remédie à ces inconvénients. A cet effet, le dispositif d'alimentation fonctionnant par pile est conçu selon le principe piézo-électrique et la coque supérieure du boîtier de la pompe est doté, sur sa surface externe, de joints de dilatation.
Keller Hermann L.
Robic
LandOfFree
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