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Mechanical clot treatment device with distal filter

  • US 20020082558A1
  • Filed: 02/22/2002
  • Published: 06/27/2002
  • Est. Priority Date: 09/30/1997
  • Status: Active Grant
First Claim
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1. A removable flow restoration device comprising:

  • core element means having a distal portion for navigation to a therapeutic site in a lumen and for assisting in puncturing or displacing an occlusion, a first filter means distally located on the core element means for collecting, displacing, or moving the occlusion, a second filter means located on the core element means distal to the first filter means for placement distal to the occlusion to catch the occlusion or fragments thereof, wherein the core element means passes through the first and second filter means, and actuator means for expanding or collapsing the first and second filter means about the core element means.

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