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Dual port syringe

  • US 5,882,343 A
  • Filed: 10/07/1997
  • Issued: 03/16/1999
  • Est. Priority Date: 04/20/1995
  • Status: Expired due to Term
First Claim
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1. A dual port syringe comprising:

  • a syringe body;

    a piston reciprocally mounted in the syringe body;

    an upper port at a first end of the syringe body through which medical fluid is received;

    the first end being frustoconical;

    a lower port at the first end of the syringe body from which the medical fluid is delivered under pressure;

    the syringe body including a tubular portion extending longitudinally from the first end, and further comprising an insert positioned within the syringe body adjacent the first end and extending into the tubular portion, the insert defining the upper port and the lower port;

    the insert having a generally cylindrical first portion extending longitudinally from a frustoconical second portion; and

    the insert having an upper port groove extending along an upper surface of the first and second portions and a lower port groove extending along a lower surface of the first and second portions.

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