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Microcatheter and method for site specific therapy

  • US 6,030,358 A
  • Filed: 08/08/1997
  • Issued: 02/29/2000
  • Est. Priority Date: 08/08/1997
  • Status: Expired due to Term
First Claim
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1. An apparatus for performing site specific microtherapy comprising a pump reservoir and one or more microcatheters dimensioned to be positioned within a tissue site for selectively removing fluids by microdialysis from the tissue site, the microcatheter(s) being adapted for fluid communication with the pump reservoir to effect the recovery of fluid, the apparatus further comprising a delivery sheath adapted to be positioned into the tissue site, the microcatheter assembly adapted to be positioned within the delivery sheath, the delivery sheath having walls sufficiently permeable to permit a desired flow of fluids between the tissue and the microcatheter assembly in the course of microdialysis.

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