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Protective sheath for catheter balloons

  • US 5,868,707 A
  • Filed: 08/15/1996
  • Issued: 02/09/1999
  • Est. Priority Date: 08/15/1996
  • Status: Expired due to Term
First Claim
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1. A balloon dilatation catheter assembly comprising:

  • a) an elongated balloon dilatation catheter having a elongated shaft with proximal and distal shaft sections, an inner lumen extending within the proximal and distal shaft sections and a dilatation balloon on the distal shaft section having an interior in fluid communication with the inner lumen extending within the shaft and having an elongated cylindrical working section; and

    b) a polymeric tubular sheath which has at least one continuous cylindrical section disposed about the elongated cylindrical working section of the balloon and which has been heat shrunk so as to be in contact with and tightly fitting about the elongated cylindrical working section of the balloon.

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