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BI-VALVED CAST

  • US 3,701,349 A
  • Filed: 05/13/1971
  • Issued: 10/31/1972
  • Est. Priority Date: 05/13/1971
  • Status: Expired due to Term
First Claim
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1. In a bi-valved cast for immobilizing a body portion, wherein the cast comprises complementary separate rigid shells, which when joined together form a rigid cast conforming in contour to the body portion to be immobilized, wherein means are provided to releasably secure the shells in joined relation, and wherein each shell has an inflatable liner extending over substantially the entire inner surface thereof so that the introduction of air under pressure into the liners after the shells are secured in joined relation immobilizes the body portion in the cast, the improvement which resides in:

  • means for introducing air from the exterior of the cast to the inner surface of the liners so that the interface between an immobilized body portion and the liners is ventilated.

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