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Blunt injection needle for a pen-type injector

  • US 6,074,371 A
  • Filed: 09/10/1998
  • Issued: 06/13/2000
  • Est. Priority Date: 09/10/1998
  • Status: Expired due to Term
First Claim
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1. A system for preventing inadvertent needle sticks when administering medication to a patient, the system comprising:

  • a needle assembly having a hub and a needle shaft embedded into the hub, the needle shaft having a distal end and a proximal end and having a blunt tip at the needle shaft'"'"'s distal end;

    a pen-type injector adapted for attachment of the needle assembly, the pen-type injector having an elongated, generally cylindrical shape, a total quantity of medication contained therein, a numerical indicator means for setting a preset quantity of medication and a plunger for delivering in a single completed stroke that preset quantity of medication into the patient, the preset quantity of medication being less than the total quantity of medication contained within the pen-type injector; and

    ,an injection system adapted for percutaneous placement through the patient'"'"'s skin, the injection system having a septum through which the blunt tip at the distal end of the needle shaft can be placed to deliver medication from the pen-type injector into the patient.

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