Variable proportion dispenser
作者： William H. Smedley , Terry M. Haber , Clark B. Foster
DOI:
关键词:
摘要: The present invention is directed to a variable proportion dispenser and permits the user adjust proportions amounts of components dispensed from cartridges during each delivery stroke. (2) includes housing (4) which houses two pharmaceutical (6, 7). A reciprocating drive assembly (10) stem (36, 37) extending piston (46) cartridge, sliding body (66) mounted housing, one-way devices (54, 55) carried by body. Each device threaded dosage adjuster (60, 61), reciprocating, driver (58, 59) drives into cartridge. distance can move on return stroke away cartridge adjustable changing position within
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