×

Personal injector for liquid medicine

  • US 20020133114A1
  • Filed: 03/13/2002
  • Published: 09/19/2002
  • Est. Priority Date: 03/15/2001
  • Status: Active Grant
First Claim
Patent Images

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.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×