초록 ▼

A magnetically driven pump system designed for use with a body-implantable heart-assist device. The system includes a body-implantable bellows-type pump adapted to transfer fluid to and from the heart-assist device, and a driving unit effective to drive the pump by magnetic coupling across the surfa

A magnetically driven pump system designed for use with a body-implantable heart-assist device. The system includes a body-implantable bellows-type pump adapted to transfer fluid to and from the heart-assist device, and a driving unit effective to drive the pump by magnetic coupling across the surface of the body.

대표청구항 ▼

A magnetically driven cardiac-assist pump system comprising means defining a changeable-volume pumping chamber including a movable wall portion, movements of which effect changes in the volume of said chamber, magnetic driven means drivingly connected to said wall portion for moving the same upon ac

A magnetically driven cardiac-assist pump system comprising means defining a changeable-volume pumping chamber including a movable wall portion, movements of which effect changes in the volume of said chamber, magnetic driven means drivingly connected to said wall portion for moving the same upon actuation of said driven means, and magnetic driving means magnetically couplable with said driven means for actuating the same, said driven and driving means each comprising a pair of spaced counterrotative members, with said members in said driven means having faces opposable with faces in said members in said driving means, and with each of said faces carrying means defining an array of magnetic poles.