Surgery – Means for introducing or removing material from body for... – Material introduced into and removed from body through...
Patent
1979-09-25
1984-05-01
Spear, Jr., Frank A.
Surgery
Means for introducing or removing material from body for...
Material introduced into and removed from body through...
210645, 2105002, 210927, 604 50, 604 66, A61M 103, B01D 1300
Patent
active
044458851
ABSTRACT:
An insulin supplier, which can be effectively used for the treatment of diabetic patients, comprising a casing and at least one tubular structure composed of a polymeric semipermeable membrane to provide an internal chamber inside of the tubular membrane and an external chamber outside of the tubular membrane, either one of the internal chamber and the external chamber having at least one fluid-inlet and at least one fluid-outlet; wherein blood or another body fluid is introduced into that chamber which has the at least one fluid-inlet and the at least one fluid-outlet and a solution of insulin is introduced into the other chamber, whereby insulin in an effective amount required for metabolism within the body is supplied to the blood or the body fluid depending on the blood glucose level through the polymeric semipermeable membrane between the internal and external chambers over a long period of time.
REFERENCES:
patent: 2076082 (1937-04-01), Hagedorn et al.
patent: 3827565 (1974-08-01), Matsumura
patent: 4056467 (1977-11-01), Christen et al.
patent: 4077407 (1978-03-01), Theeuwes et al.
Spear, Jr. Frank A.
Unitika Ltd.
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