Injection pen solution transfer apparatus and method

Fluent material handling – with receiver or receiver coacting mea – Processes – Battery grid pasting

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141 23, 141 21, 141 27, 141311R, 141318, 141319, 141329, 141330, 141383, 604 82, 604232, 604463, 604415, B65B 104, B65B 304

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054720222

ABSTRACT:
An injection pen apparatus (30) for medicament injection including a medicament cartridge assembly (31) formed to receive and contain a medicament therein. A holding sleeve (34) is provided which is dimensioned to receive the medicament cartridge assembly (31) therein which mates with a solution transfer device (35) including an axially movable displacement rod (36). The injection pen apparatus (30) further includes a coupling mechanism (37) removably coupling the solution transfer device (35) to both a plunger (32) slidably movable in the cartridge (33) and to the holding sleeve (34). A sleeve mounting assembly (40) of the coupling mechanism (37) removably mounts the coupling mechanism to the holding sleeve (34). A locking device (41) is included which is formed and dimensioned to require joining of the displacement rod (36) relative the sleeve mounting assembly (40) after uncoupling of the rod from the plunger (32) and before uncoupling of a remainder of the solution transfer device (35) from the holding sleeve (34).

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patent: 5017190 (1991-05-01), Simon et al.
patent: 5032114 (1991-07-01), Olovson
patent: 5171214 (1992-12-01), Kolber et al.
patent: 5226896 (1993-07-01), Harris
patent: 5232459 (1993-08-01), Hjertman

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