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MULTI-LUMEN BALLOON CATHETER

  • US 3,746,003 A
  • Filed: 09/23/1971
  • Issued: 07/17/1973
  • Est. Priority Date: 04/20/1970
  • Status: Expired due to Term
First Claim
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1. A balloon catheter comprising a relatively soft plastic tube having a balloon inflation lumen therein, the wall of said tube having a balloon inflation opening therein communicating with said lumen, a rigid circumferential band indented in the outer surface of said tube on the distal side of said opening, a rigid circumferential band indented in the outer surface of said tube on the proximal side of said opening, an elastic sleeve balloon surrounding said tube and having end portions overlying said bands, and bindings securing said end portions of said balloon to said bands, said bands underlying and supporting said bindings on said soft tube and preventing collapse of said lumen.

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