Implantable medical prosthesis for obviating male impotency
AssigneeRepro-Med Systems, Inc.
InventorAndrew I. Sealfon
Life of this patent
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Abstract
A manually compressible reservoir, such as a rubber bulb is provided in which a liquid medication is maintained and from which an outlet conduit extends to a selected body part. The prosthesis includes a piston for storing separately from the reservoir a predetermined dose of medication and which piston is responsive to the manual compression of the reservoir to discharge the predetermined dose and on release to automatically cause the medication to flow from the reservoir to restore a predetermined dose so that repeated operation and delivery of medication is possible.
Claims8
An implantable medical prosthesis for the demand delivery of medication comprising a manually compressible reservoir for maintaining a quanity of fluid medication within the body and having an outlet from said reservoir for directing said fluid medication to a selected part of the body, including means for normally storing a predetermined dose of said fluid medication in advance of said outlet in readiness for discharge to the body, said means being responsive to compression of said reservoir to discharge said stored predetermine dose and responsive to the subsequent release of compression to be automatically supplied with an amount of fluid from said reservoir equal to the amount of discharged dose to restore a predetermined dose of fluid medication for succeeding discharge.
A prosthesis for implantation in the scrotum for delivering medication on demand to the penis, comprising a compressible bulb providing a reservoir for a supply of fluid medication having an outlet conduit extending into the corpora cavernosa of the penis, said prosthesis including a dosimeter interposed between said reservoir and said conduit, said dosimeter comprising a cylinder and a piston movable in said cylinder between a rest position and a discharge position, said piston in the rest position dividing said cylinder into a storage chamber of predetermined volume communicating with the outlet conduit, and a antechamber communicating with and receiving fluid from said reservoir, said piston having a unidirection valve means closable in response to an increase in pressure in the antechamber and openable on a decrease of pressure therein, said piston being movable into the discharge position by compression of said bulb creating a flow of fluid into said antechamber, said piston being subsequently returned into the rest position on release of the compression, said valve means simultaneously opening allowing refilling of the storage chamber with fluid from the antechamber on return of the piston to said rest position.
Dependencies are inferred from the claim text.