Parenteral fluid medication reservoir pump
February 26, 2013. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3710795 Device for delivering drug to biological environment Device using prestretched polymer for dispensing medication Unit system having multiplicity of means for dispensing useful agent Contraceptive implant Magnetically modulated polymeric drug release system Method of signalling a patient during buccal agent delivery Dispensing device having a wall made from a shrink plastic material Patent #: 5188260 InventorApplicationNo. 023130 filed on 02/26/1993US Classes:604/891.1, Implanted dynamic device or system222/386.5, Nonrigid follower424/423, Surgical implant or material604/131, Treating material forced into or out of body by self-acting fluid pressure, motor-driven, or mechanical energy storing means (e.g., pressure infusion or aspiration, etc.)604/132Material impelled into body by contraction of expanded elastic material reservoirExaminersPrimary: Weiss, John G.International ClassA61K 009/22AbstractA parenteral fluid medication pump comprises a reservoir filled with fluid medication. The medication is continuously discharged over an extended period into the patient. The continuous discharge is obtained by a shrink polymer wall for the reservoir which is powered by the relaxation of forces which are internal to the shrink polymer. In the principal embodiment the device pumps from a reservoir which is surgically implanted and internal to the patient. A reservoir depletion warning for surgically implanted pumps which creates a physiological indicator is also taught. In other embodiments the device is capable of magnetic, external-triggered disablement.Field of SearchMaterial impelled into body by contraction of expanded elastic material reservoirTreating material forced into or out of body by self-acting fluid pressure, motor-driven, or mechanical energy storing means (e.g., pressure infusion or aspiration, etc.) Osmotic or diffusion pumped device or system Implanted dynamic device or system CONTROLLED RELEASE THERAPEUTIC DEVICE OR SYSTEM Waxes, fatty acids, etc. (e.g., liposome, etc.) Inorganic particle Surgical implant or material Membrane or diffusion barrier Diffusion barrier is matrix Nonrigid follower | |
