Automatic injection device with reset feature

Automatic injection device with reset feature

  • CN 1,509,193 A
  • Filed: 01/04/2002
  • Published: 06/30/2004
  • Est. Priority Date: 01/05/2001
  • Status: Active Application
First Claim
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1. one kind is used for and the dosage setting device that is full of fluidic container combination use, and this dosage setting device is used for the fluid that duplicate injection from container is provided with dosage separately, and this dosage setting device comprises:

  • Housing (10);

    Driver part (30), this driver part are used for the fluid of discharging doses from container;

    Spring assembly (70);

    Dosage is provided with assembly (40,50,60), this dosage is provided with assembly and is installed in the housing, and link to each other with spring assembly, this dosage is provided with assembly and comprises dose setting (50), this dose setting can overcome the bias voltage of spring assembly and move to the selected position that is provided with along first direction, the motion of this dose setting is attended by the tension of spring, and this dose setting can move along second direction, so that selectively regulate dosage is set;

    Locking bolt device (80,90), this locking bolt device links to each other with housing, so that overcome the bias voltage of spring assembly this device is remained on the position is set;

    AndThis locking bolt device can discharge, so that make driver part discharge this from container dosage is set, and being used to discharge this power that dosage is set is provided by spring assembly.

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