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Disposable unit-dose jet-injection syringe for pre-filled and/or transfilled liquid injectable medical drug or vaccine products and method thereof

  • US 20020065483A1
  • Filed: 02/14/2001
  • Published: 05/30/2002
  • Est. Priority Date: 12/05/1997
  • Status: Active Grant
First Claim
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1. A disposable unit-dose jet injection syringe, comprising:

  • (a) a cylindrically shaped syringe body having a rear open end and a forward closed end, the rear open end having a flange, the forward closed end having a small area coined by a stamp process;

    (b) a jet orifice through the small area of the forward closed end; and

    (c) a piston slidably engaged within the cylindrically shaped syringe body to form a cavity, the cavity configured to hold a unit dose of a medicine.

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