US 4,732,139 A · Endoscope with insertion having a plurality of insertion holes

Abstract

An endoscope includes an operation section and an insertion section extending from the operation section. The insertion section has a plurality of insertion holes extending in its axial direction. The insertion holes have outlet openings open to the distal end portion of the insertion section and inlet openings open to the proximal end portion of the insertion section. One of the inlet openings is open to the proximal end face of the insertion section, and the remaining openings are open to the outer periphery of the insertion section. An image guide and a light guide inserted into the insertion holes extend from the inlet openings located at the outer periphery of the insertion section toward the outside thereof.

Claims16

Dependent claims

An endoscope comprising:

an operation section;
a flexible insertion section extending from said operation section and adapted to be inserted in a body cavity, said insertion section having a plurality of insertion holes extending along its axial direction, each of said insertion holes having an outlet opening open to a distal end portion of said insertion section and an inlet opening open to a proximal end portion of said insertion section, and at least one of said inlet openings being formed to be separated from other inlet openings;
and a plurality of components inserted in said insertion holes and extending from said inlet openings toward the outside of said insertion section, said components including an optical fiber which is inserted in the insertion hole having said one inlet opening.

Dependencies are inferred from the claim text.

Endoscope with insertion having a plurality of insertion holes

Life of this patent

Endoscope with insertion having a plurality of insertion holes

Life of this patent

Abstract

Claims16