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Liquid segment polyurethane gel and couplers for ultrasonic diagnostic probe comprising the same

  • US 5,039,774 A
  • Filed: 05/30/1990
  • Issued: 08/13/1991
  • Est. Priority Date: 06/02/1988
  • Status: Expired due to Term
First Claim
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1. A coupler for a probe for ultrasonic diagnosis which comprises a liquid segment polyurethane gel obtained by reacting a polyol having an alkylene oxide chain which is liquid at room temperature and/or a polyurethane polyol prepolymer having an alkylene oxide chain which is liquid at room temperature with a polyurethane polyisocyanate prepolymer having an alkylene oxide chain which is liquid at room temperature, said gel having a socket into which the probe for ultrasonic diagnosis is to be inserted and a smooth part which is to be brought into planar contact with the skin.

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