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System and method for automatic needle change warning

  • US 6,406,460 B1
  • Filed: 07/21/2000
  • Issued: 06/18/2002
  • Est. Priority Date: 07/21/2000
  • Status: Expired due to Fees
First Claim
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1. A system for automatic needle change warning, comprising:

  • a. a syringe having a syringe needle, the syringe being functional to deliver an injection to an animal, the syringe further having a sensor for sensing physical contact between the syringe needle and the syringe;

    b. a counter for automatically cumulatively counting each injection given to the animal during a period of continuous physical contact between the syringe needle and the syringe; and

    c. responsive to the number of cumulatively counted injections given during the period of continuous physical contact between the syringe needle and the syringe equaling a predetermined maximum number of injections, a syringe needle change warning mechanism functional to deliver to an operator of the syringe a needle change warning.

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