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Systems and methods for maintaining a clear visual field during endoscopic procedures

  • US 5,167,220 A
  • Filed: 08/09/1990
  • Issued: 12/01/1992
  • Est. Priority Date: 08/09/1990
  • Status: Expired due to Fees
First Claim
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1. A system for maintaining a clear visual field during endoscopic procedures, the system comprising:

  • a substantially rigid endoscope having a distal viewing window;

    a resilient tube having a proximal end and a distal end, the tube being attached to said endoscope such that the distal end of the tube is in proximity to said distal viewing window of the endoscope; and

    means connected to the proximal end of the resilient tube for selectively forcing fluid through the tube and out of the distal end thereof.

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