Endoscope

Details Endoscope Endoscope

A - Human Necessities

61

B

128/2, 240/82

A61B 1/06 (2006.01) A61B 1/04 (2006.01) G02B 23/26 (2006.01)

Patent

CA 2036616

- 21 - ABSTRACT OF THE DISCLOSURE An endoscope comprising as an image-transmitting member a multifilament type plastic optical fiber in which 50 to 20,000 islands having a core-sheath structure, a core diameter of 2 to 70 µm and a circular or substantially circular section are arranged in a zigzag-stacked or square-stacked structure in the sea having a circular or substantially circular section, so that the lamination structure of the entire cores has a substantially circular shape in the section of the image- transmitting portion, wherein the same positional relationship of the ends of light-transmitting paths arranged in the section of the optical fiber is maintained on both the ends of the optical fiber, the periphery of the section of the image-transmitting portion of the optical fiber has a circular or substantially circular shape, and an object lens is attached to one end of the image-transmitting member and an image-transmitting light-receiving member is arranged on the other end of the image-transmitting member.

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