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Medication administering device

  • US 5,318,557 A
  • Filed: 02/22/1993
  • Issued: 06/07/1994
  • Est. Priority Date: 07/13/1992
  • Status: Expired due to Fees
First Claim
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1. A medication administering device, comprising:

  • a housing of a size enabling it to be introduced into a body cavity of a subject;

    a displaceable member in the interior of the housing and defining first and second expansible-contractible chambers therein;

    said first chamber including an opening and being adapted to receive medication to be delivered through said opening when said device is in the body cavity;

    gas generating means for supplying a gas to said second chamber to expand it and thereby to force medication from said first chamber out through said opening into the body cavity, said gas generating means including electrically-controlled means for generating a gas when energized;

    and a sensor within said housing for sensing a condition in the body cavity and for controlling said electrically-controlled means in response thereto.

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