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Contraceptive intracervical device and novel nonsystemic agents for the prevention of conception and disease

  • US 5,224,493 A
  • Filed: 01/30/1991
  • Issued: 07/06/1993
  • Est. Priority Date: 01/30/1991
  • Status: Expired due to Fees
First Claim
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1. An intracervical device which comprises:

  • a spermicidal composition which consists of an effective amount of an agent selected from the group consisting of silver, magnesium, zinc, copper, cadmium or arsenic and their salts and oxides for use as a contraceptive device;

    the agent being imbedded an excipient, the excipient comprising an erodible polymer which controls the release rate of the agent;

    means to secure the device in the cervix; and

    means to remove the device from the cervix.

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