JPS6437927A - Endoscope - Google Patents

Endoscope

Info

Publication number
JPS6437927A
JPS6437927A JP62195902A JP19590287A JPS6437927A JP S6437927 A JPS6437927 A JP S6437927A JP 62195902 A JP62195902 A JP 62195902A JP 19590287 A JP19590287 A JP 19590287A JP S6437927 A JPS6437927 A JP S6437927A
Authority
JP
Japan
Prior art keywords
protection tube
wire drive
outside diameter
curvature
overlap
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP62195902A
Other languages
Japanese (ja)
Other versions
JPH0795996B2 (en
Inventor
Akira Suzuki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Olympus Corp
Original Assignee
Olympus Optical Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Olympus Optical Co Ltd filed Critical Olympus Optical Co Ltd
Priority to JP62195902A priority Critical patent/JPH0795996B2/en
Priority to US07/222,590 priority patent/US4870951A/en
Publication of JPS6437927A publication Critical patent/JPS6437927A/en
Publication of JPH0795996B2 publication Critical patent/JPH0795996B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Instruments For Viewing The Inside Of Hollow Bodies (AREA)
  • Endoscopes (AREA)

Abstract

PURPOSE:To make the outside diameter of an insertion part small for lessening a pain which a patient might suffer from, by providing a curvature drive means for adequately curving a curved part of the insertion part and by locating the curvature drive means closer to its operation side than a position at which the outside diameter of an internal material varies. CONSTITUTION:A wire drive 31 is located with a free curvature to be axially spaced from the rear end of a protection tube 75. Namely, the wire drive 31 is located closer to its operation side 12 than a position at which an image guide 74 and the protection tube 75 have smaller diameters. In this arrangement, since the large diametral portion of the image guide 74 covered in the protection tube 75 and the wire drive 31 do not overlap on each other in any cross section, the maximum surface area of the internal material of an insertion 11 is smaller as compared to the same in another arrangement wherein the wire drive 31 is mounted at the rear end of a curved part 16 to overlap the protection tube 75. The outside diameter of the insertion 11 can thus be made small.
JP62195902A 1987-08-04 1987-08-04 Endoscope Expired - Fee Related JPH0795996B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP62195902A JPH0795996B2 (en) 1987-08-04 1987-08-04 Endoscope
US07/222,590 US4870951A (en) 1987-08-04 1988-07-21 Endoscope having varying diameter contents in the insertable part

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62195902A JPH0795996B2 (en) 1987-08-04 1987-08-04 Endoscope

Publications (2)

Publication Number Publication Date
JPS6437927A true JPS6437927A (en) 1989-02-08
JPH0795996B2 JPH0795996B2 (en) 1995-10-18

Family

ID=16348887

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62195902A Expired - Fee Related JPH0795996B2 (en) 1987-08-04 1987-08-04 Endoscope

Country Status (1)

Country Link
JP (1) JPH0795996B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0326227A (en) * 1989-06-23 1991-02-04 Olympus Optical Co Ltd Endoscope device
US4999617A (en) * 1985-10-24 1991-03-12 Sharp Kabushiki Kaisha Device for reading patterns displayed on a display unit
US5060632A (en) * 1989-09-05 1991-10-29 Olympus Optical Co., Ltd. Endoscope apparatus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4999617A (en) * 1985-10-24 1991-03-12 Sharp Kabushiki Kaisha Device for reading patterns displayed on a display unit
JPH0326227A (en) * 1989-06-23 1991-02-04 Olympus Optical Co Ltd Endoscope device
US5060632A (en) * 1989-09-05 1991-10-29 Olympus Optical Co., Ltd. Endoscope apparatus

Also Published As

Publication number Publication date
JPH0795996B2 (en) 1995-10-18

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees