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Coupling sheath for ultrasound transducers

  • US 6,039,694 A
  • Filed: 06/25/1998
  • Issued: 03/21/2000
  • Est. Priority Date: 06/25/1998
  • Status: Expired due to Term
First Claim
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1. A homogeneous, elastic, ultrasound coupling sheath having a shape which is conformal to a medical ultrasound transducer, said sheath comprising a hydrophilic block co-polymer and 20 wt. % to about 95 wt. % biocompatible liquid and having acoustic properties generally equivalent to acoustic properties of a predetermined target, said sheath being lubricous when in contact with said target and providing a microbial barrier between said transducer and said target when said sheath is conformed to said transducer and placed in contact with said target, said sheath being replaceable and disposable.

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