Drugs such as insulin are injected as needed directly into bloodstream by compact implantable dispensing unit. Two vapor cavities produce opposing forces on drug-chamber diaphragm. Heaters in cavities allow control of direction and rate of motion of bellows. Dispensing capsule fitted with coil so batteries can be recharged by induction.
Implantable Drug Dispenser
NASA Tech Briefs ; 7 , 1
1983-03-01
Miscellaneous
No indication
English