Device for the administration of implants
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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Abstract
The invention relates to a device for the injection of implants, preferably implants "in the form of small rods" (called rods), which are used for the long-term treatment of diseases, whose essential features are the completely transparent construction, especially of the injector body (3), as well as a protecting device which prevents the plunger rod from falling out, and a protective cap (6) for the plunger rod.
171 Citations
11 Claims
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1. A device for the injection of implants comprising:
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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. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A device for injection of implants, comprising:
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an active substance container 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 pre-determined location; a cannula extending from said first end opening; 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; and a protective cap of covering said plunger rod to prevent inadvertent movement of said plunger rod. - View Dependent Claims (9, 10, 11)
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Specification