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Fluid transfer and diagnostic system for treating the inner ear

  • US 6,440,102 B1
  • Filed: 07/23/1998
  • Issued: 08/27/2002
  • Est. Priority Date: 07/23/1998
  • Status: Expired due to Fees
First Claim
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1. An inner ear fluid transfer and diagnostic catheter for transferring fluid materials into or out of an ear of a living subject comprising:

  • a fluid transfer conduit comprising a first end, a second end, and an internal passageway extending through said fluid transfer conduit from said first end to said second end, which fluid transfer conduit permits a fluid to be transferred into or out of an ear; and

    an inflatable bladder member connected to said fluid transfer conduit at a position thereon which does not block fluid flow through said fluid transfer conduit, said bladder member being sized for placement of at least a portion thereof within a round window niche of an ear of a subject, wherein said bladder member, when inflated, engages an internal wall of said round window niche thereby maintaining said bladder member at least partially within said round window niche.

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