Patents Assigned to Profarm S.p.A.
  • Selflocking syringe
    Patent number: 5222943
    Abstract: The invention regards a selflocking syringe. The syringe rod (13) is equipped with an extractor (15) which, when the syringe plunger (12) is pushed to the end of the stroke, hooks (15b) the needle (11) and withdraws it by means of a preloaded spring (16) to the inside of the rod (13), into a protected and inaccessible position, thus making the syringe unserviceable already after its first use.
    Type: Grant
    Filed: March 16, 1992
    Date of Patent: June 29, 1993
    Assignee: Profarm S.p.A.
    Inventor: Isidoro Mazzara