Self-regenerating drug administration device
First Claim
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1. An implantable drug dispenser comprising:
- a dispenser body having a proximal end and a distal end and a bore running from said proximal to said distal end, said proximal end provided with a first attachment means for attaching said proximal end to a blood vessel, said distal end provided with a second attachment means for attaching said distal end to a blood vessel, said dispenser body further comprised of a cartridge comprising a cartridge body having a proximal end, a distal end, and a central bore connecting said proximal end to said distal end, the bore of said cartridge body in fluid communication with the bore of said dispenser body, wherein said cartridge further comprises retaining means for retaining a colony of drug producing microorganisms within said bore of said dispenser body.
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Abstract
An implantable dispenser for infusing a desired drug into the blood stream. The dispenser is adapted to be spliced into a blood vessel so that blood flows freely through it. Within the dispenser is a replaceable biomass cartridge containing a colony of microorganisms which produce the drug.
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Citations
10 Claims
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1. An implantable drug dispenser comprising:
a dispenser body having a proximal end and a distal end and a bore running from said proximal to said distal end, said proximal end provided with a first attachment means for attaching said proximal end to a blood vessel, said distal end provided with a second attachment means for attaching said distal end to a blood vessel, said dispenser body further comprised of a cartridge comprising a cartridge body having a proximal end, a distal end, and a central bore connecting said proximal end to said distal end, the bore of said cartridge body in fluid communication with the bore of said dispenser body, wherein said cartridge further comprises retaining means for retaining a colony of drug producing microorganisms within said bore of said dispenser body. - View Dependent Claims (2, 3, 6, 7, 8, 9, 10)
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4. An implantable drug dispenser comprising:
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a dispenser body having a proximal end and a distal end and a bore running from said proximal to said distal end, said proximal end provided with a first attachment means for attaching said proximal end to a blood vessel, said distal end provided with a second attachment means for attaching said distal end to a blood vessel; and a retaining means for retaining a colony of drug producing microorganisms within the bore of said dispenser body, comprising a semipermeable membrane of sufficient permeability to permit passage of nutrients, microorganism waste, and said drug therethrough, taking the form of a closed capsule for encapsulating said coloney of drug producing microorganisms, said retaining means further comprising a first screen, spanning the bore of said dispenser body, located proximal to said capsule, said first screen having pores of sufficient size to permit passage of blood cells therethrough and a second screen, spanning the bore of said dispenser body, located distal to said capsule, said second screen having pores of sufficient size to permit passage of blood cells. - View Dependent Claims (5)
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Specification