Personal injector for liquid medicine
First Claim
1. A personal injector for liquid medicine comprising:
- a housing having a distal end and a proximal end and including a needle-mounting part, a medicine container holder, and a connecting port to a computer;
a plunger arranged in said housing and adapted to be longitudinally moved, by said motor, between a starting point and a forward limit point within the housing;
an electric motor for driving said plunger;
a limit switch arranged at the forward limit point to stop the forward movement of said plunger;
a starting point sensor for detecting return of the plunger to the starting point; and
a substrate arranged in said housing and provided with a display and mode-select switch;
wherein said plunger is adapted to be moved to the starting point by the reverse driving of the motor when said limit switch is turned on.
1 Assignment
0 Petitions
Accused Products
Abstract
Personal injector for liquid medicine comprises a housing 1 provided with needle-mounting part 11, medicine container holder 12 and connecting port 13 to a personal computer; plunger 2 arranged in housing 1; electric motor 3 for driving plunger 2; limit switch 4 for limiting the forward movement of plunger 2; starting point sensor 5 for detecting return of plunger 2 to the starting point; and substrate 6 having display 61 and mode-select switch 62 mounted thereon. The plunger 2 is movable between the starting point and forward limit point. Limit switch 4 is arranged at the forward limit point. When limit switch 4 is turned on, motor 3 drives plunger 2 in reverse to move it to the starting point thereof.
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Citations
8 Claims
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1. A personal injector for liquid medicine comprising:
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a housing having a distal end and a proximal end and including a needle-mounting part, a medicine container holder, and a connecting port to a computer;
a plunger arranged in said housing and adapted to be longitudinally moved, by said motor, between a starting point and a forward limit point within the housing;
an electric motor for driving said plunger;
a limit switch arranged at the forward limit point to stop the forward movement of said plunger;
a starting point sensor for detecting return of the plunger to the starting point; and
a substrate arranged in said housing and provided with a display and mode-select switch;
wherein said plunger is adapted to be moved to the starting point by the reverse driving of the motor when said limit switch is turned on. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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Specification