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Sheath for endoscope

  • US 5,413,092 A
  • Filed: 07/29/1993
  • Issued: 05/09/1995
  • Est. Priority Date: 06/24/1991
  • Status: Expired due to Fees
First Claim
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1. A disposable sheath for an endoscope having an elongated barrel comprising,a) a preformed elongated disposable sleeve of generally circular cross-section having a predetermined length and diameter for detachably fitting onto and accompanying an endoscope barrel, said sleeve including means for preventing slippage of said sleeve relative to said barrel once said sleeve is disposed on said barrel comprising a reduced diameter section of said sleeve,b) a preformed transparent lens cover secured at one end of said disposable sleeve to permit a field of view from the endoscope through said lens cover, said lens cover being without any apertures, andc) said lens cover having a substantially planar section with a predetermined central portion through which said field of view is taken and a predetermined peripheral portion surrounding said predetermined central portion, said planar section being non-collapsible and of a predetermined thickness such that light reflected through the predetermined peripheral portion of the planar section from the endoscope does not reflect through the predetermined central portion so as to interfere with the field of view through said planar section.

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