Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1988-08-26
1990-06-26
Schwadron, Martin P.
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
604208, 604209, 604220, 222391, A61M 524
Patent
active
049368338
ABSTRACT:
A cartridge assembly for a syringe-type medication dispensing unit includes a cartridge having a cartridge body with first and second ends. A pierceable membrane is mounted at the first end and a piston is mounted at the second end, with a volume of medication contained in the cartridge body between the membrane and the piston. A cartridge holder receives the cartridge and defines first and second ends. The first holder end defines a central opening and an external thread for mounting a double-ended needle. The second holder end defines an external thread for securing the holder to a medication dispensing unit and an actuating shoulder. The holder frictionally engages the cartridge to form an assembly which can be handled as a single modular unit with the cartridge held securely in the holder by frictional engagement.
REFERENCES:
patent: 2646798 (1953-07-01), Brown
patent: 3110309 (1963-11-01), Higgins
patent: 3930499 (1976-01-01), Rimbaud
patent: 3976069 (1976-08-01), Ong
patent: 4573973 (1986-03-01), Mezi
patent: 4592745 (1986-06-01), Rex
Flanigan Allen J.
Hypoguard (UK) Limited
Schwadron Martin P.
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