Diagnostic and medicating capsule and the method of use

  • US 3,118,439 A
  • Filed: 03/19/1958
  • Issued: 01/21/1964
  • Est. Priority Date: 04/09/1957
  • Status: Expired due to Term
First Claim
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3. A SWALLOWABLE CAPSULE COMPRISING A PAIR OF HOLLOW PARTS COMPLEMENTING EACH OTHER TO DEFINE A CHAMBER, ONE OF THE PARTS SLIDEABLE OVER THE OTHER PART TO VARY THE SIZE OF THE CHAMBER, AT LEAST ONE OF THE PARTS HAVING AN OPENING ON THE SIDEWALL THEREOF SO POSITIONED THAT AS THE PARTS ARE SEPARATED THE OPENING PROVIDES FLUID COMMUNICATION MEANS BETWEEN THE INTERIOR AND THE EXTERIOR OF THE CHAMBER, SPRING MEANS TENDING TO SEPARATE THE PARTS, HEAT RESPONSIVE MEANS NORMALLY EFFECTIVE TO RENDER THE SPRING MEANS INEFFECTIVE, AND MEANS ADAPTED TO BE HEATED UNDER THE ACTION OF A HIGH FREQUENCY FIELD, SAID LAST-MENTIONED MEANS POSITIONED IN JUXTAPOSITION TO THE HEAT RESPONSIVE MEANS SO AS TO TRANSFER HEAT THERETO, WHEREBY UNDER THE ACTION OF THE HIGH FREQUENCY FIELD THE SPRING MEANS IS RELEASED TO MOVE THE HOLLOW PARTS SO THAT THE OPENINGS THEREIN ARE IN REGISTRATION.

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