초록

An implantable fluid delivery apparatus for infusing medicinal fluids into a patient that includes a novel heat responsive polymer gel material that, upon being heated by a heating coil uniquely functions as an internal energy source for expelling the medicinal fluids from the device.

대표청구항 ▼

1. An implantable device for implantation within a patient for infusing medicinal fluid into the patient at a controlled rate comprising:(a) a housing having an outlet; (b) a fluid reservoir containing a fluid disposed within said housing, said fluid reservoir having an inlet and an outlet in commun

1. An implantable device for implantation within a patient for infusing medicinal fluid into the patient at a controlled rate comprising:(a) a housing having an outlet; (b) a fluid reservoir containing a fluid disposed within said housing, said fluid reservoir having an inlet and an outlet in communication with said outlet of said housing; (c) a heat stimulated mass disposed within said housing proximate said reservoir, said mass comprising a semi-solid, which upon being stimulated, will act upon said fluid within said reservoir to cause said fluid to flow outwardly of said outlet of said reservoir; and (d) stimulation means for stimulating said mass, said stimulation means comprising a source of heat.