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Flexible tube for endoscope

  • US 6,616,601 B2
  • Filed: 01/22/2001
  • Issued: 09/09/2003
  • Est. Priority Date: 01/21/2000
  • Status: Expired due to Fees
First Claim
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1. A flexible tube for an endoscope, comprising:

  • a flexible elongated structural body; and

    an outer cover provided over the elongated structural body, the outer cover having an outer peripheral part, and at least the outer peripheral part of the outer cover being made of a material which contains elastic resin and plant extract obtained from at least Nelumbo nucifera Gaertner.

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