초록 ▼

An implantable microbolus infusion pump is disclosed which includes an elastically deformable reservoir, an electrically activated microvalve, and a remotely activated control system. The control system includes a sensor that can be remotely activate, for example, magnetically or by infrared light.

An implantable microbolus infusion pump is disclosed which includes an elastically deformable reservoir, an electrically activated microvalve, and a remotely activated control system. The control system includes a sensor that can be remotely activate, for example, magnetically or by infrared light. The pump can provide bolus infusion of pharmacologic agents. The pump is also capable of providing sequential release of a plurality of drugs.

대표청구항 ▼

An implantable microbolus infusion pump is disclosed which includes an elastically deformable reservoir, an electrically activated microvalve, and a remotely activated control system. The control system includes a sensor that can be remotely activate, for example, magnetically or by infrared light.

An implantable microbolus infusion pump is disclosed which includes an elastically deformable reservoir, an electrically activated microvalve, and a remotely activated control system. The control system includes a sensor that can be remotely activate, for example, magnetically or by infrared light. The pump can provide bolus infusion of pharmacologic agents. The pump is also capable of providing sequential release of a plurality of drugs. uide track aligned with the first member guide track; an armature slidingly received in said housing first member guide track, said armature being adapted to slide along said first member guide track in response to a magnetic field generated in said magnetic field generation area; and a push member slidingly received in said housing second member guide track and positioned to be engaged by said armature and to slide along said second member guide track in response to engagement by said armature, wherein said armature stem portion has an engagement surface and said first member guide track has an engagement surface positioned to engage said armature stem portion engagement surface and each engagement surface has a surface roughness of 8-12 microns. 14. A motor for a medication pump, comprising: an energizable winding having a length and defining a magnetic field generation area adjacent said winding wherein a magnetic field is generated in said magnetic field generation area in response to energizing said winding; a housing comprising a first member having a guide track, said housing further having a unitary, second member defining a cavity adapted to receive said winding, said housing cavity having a length at least as long as said winding length, said housing second member further having an opening at one end and adapted to receive said housing first member wherein said first member guide track extends at least partially into said winding magnetic field generation area, said housing second member further having a guide track aligned with the first member guide track; an armature slidingly received in said housing first member guide track, said armature being adapted to slide along said first member guide track in response to a magnetic field generated in said magnetic field generation area; and a push member slidingly received in said housing second member guide track and positioned to be engaged by said armature and to slide along said second member guide track in response to engagement by said armature, wherein said armature has an engagement face and said push member has an engagement face positioned to be engaged by said armature engagement face, wherein the widt