Personal injector for liquid medicine

Details Personal injector for liquid medicine Personal injector for liquid medicine

2005-07-05

2005-07-05

Mendez, Manuel (Department: 3763)

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

Reexamination Certificate

active

06913591

ABSTRACT:
Personal injector for liquid medicine comprises a housing provided with needle-mounting part, medicine container holder and connecting port to a personal computer; plunger arranged in housing; electric motor for driving plunger; limit switch for limiting the forward movement of plunger; starting point sensor for detecting return of plunger to the starting point; and substrate having display and mode-select switch mounted thereon. The plunger is movable between the starting point and forward limit point. Limit switch is arranged at the forward limit point. When limit switch is turned on, motor drives plunger in reverse to move it to the starting point thereof.

REFERENCES:
patent: 4950246 (1990-08-01), Muller
patent: 5593390 (1997-01-01), Castellano et al.
patent: 5662612 (1997-09-01), Niehoff
patent: 5690618 (1997-11-01), Smith et al.
patent: 5928201 (1999-07-01), Poulsen et al.
patent: 6004285 (1999-12-01), Sugahara
patent: 0 293 958 (1988-07-01), None
patent: 0 362 484 (1990-11-01), None

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