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Device for the administration of implants

  • US 4,941,874 A
  • Filed: 08/09/1988
  • Issued: 07/17/1990
  • Est. Priority Date: 08/11/1987
  • Status: Expired due to Term
First Claim
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1. A device for the injection of implants comprising:

  • an active substance container fabricated from transparent plastic, having a first end opening, a second end opening, and a cylindrical plunger channel extending between and connecting said first and second end openings, said cylindrical plunger channel including a flexible O-ring for reducing the internal diameter of said channel at a predetermined location;

    a cannula extending from said first end openings;

    a plunger rod movably disposed in said channel and extending from said second end opening, said rod having a concentric groove therein for receiving said O-ring;

    a first protective cap for covering said cannula; and

    a second protective cap for covering said plunger rod.

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