Patent ID: 9205190
Filing Date: 2015-12-08
Classification: A61M

Abstract:
1. A modular infusion pump for administering a product, said infusion pump comprising: a) a pump housing comprising a main housing and a secondary housing releasably secured to the main housing by a coupling, the secondary housing comprising an underside for contacting human or animal skin and defines a cavity of a diaphragm that is separate from the main housing, b) a reservoir to contain the product, said reservoir received in or formed by the main housing, c) a delivery device housed in the pump housing for delivering the product from the reservoir, d) an energy source for the delivery device, e) a further housing separate from the pump housing, said further housing receiving the energy source, and f) a transmission device for transmitting energy from the energy source to the delivery device; and g) the cavity joining a connecting cannula and an infusion cannula that are physically separate, the connecting cannula that penetrates a septum which closes an outlet of the reservoir, and at an opposite downstream end of the connecting cannula, the connecting cannula penetrates a side wall of the diaphragm and protrudes into the cavity of the diaphragm; h) a puncture needle placeable entirely through the diaphragm; and i) the infusion cannula upstream end protrudes into the cavity, the infusion cannula bearing around the puncture needle so that, as the puncture needle punctures the skin, it is introduced along with the puncture needle into the body tissue, and after the infusion cannula has been introduced, the puncture needle is withdrawn from the body tissue and from the infusion cannula and from the diaphragm, and after withdrawal of the puncture needle, the diaphragm still seals the cavity joining the connecting cannula and the infusion cannula.