Endoscope and method for assembling components of an optical system

CAFC
  • US 8,029,437 B2
  • Filed: 03/30/2009
  • Issued: 10/04/2011
  • Est. Priority Date: 02/18/2003
  • Status: Expired
First Claim
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1. An endoscope, comprising:

  • a tubular shaft, having an inside face,an optical system having several components, said components of said optical system are contained in an interior of said tubular shaft,said components comprising at least two of the following;

    a lens, a spacer, a diaphragm, a prism and a filter, said components directly surrounded by a support piece made of a shrunk material, whereinsaid shrunk material is a transparent material,said support piece made of said transparent material has a shape of a tube, andsaid tube containing said components of said optical system has been shrunk prior to inserting said tube into said interior of said tubular shaft, for allowing a visual check of a position of said components relative to one another, anda gap located between an outside surface of said tube of shrunk material and said inside face of said tubular shaft.

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