Title:
【発明の名称】強磁場内用内視鏡
Document Type and Number:
Japanese Patent JP2615042
Kind Code:
B2
Abstract:
PURPOSE:To obtain an endoscope for a ferromagnetic field which allows smooth insert operation, by forming an insert part using a non-magnetic material. CONSTITUTION:The leading end constituting part 6 of the insert part 2 of a soft endoscope 1 is formed of a ferromagnetic material and the curved part 7 of the rear end of the leading end constituting part 6 is covered with a skin 9. The front cap 11, reticulated tube 12 and each curved tube 13 internally mounted inside the skin 9 are formed of a non-magnetic material. The soft part 8 adjacent to the skin 9 is covered with a skin 15 and a reticulated tube 1 formed of a non-magnetic material is mounted inside the skin 15. As the non-magnetic material, austenite stainless steel, a copper alloy, an aluminum alloy or the like are used. The leading end constituting part may be formed using a rigid polymer material. As mentioned above, since the respective members constituting the insert part of the endoscope are formed of the non- magnetic material, the endoscope can be used even within a ferromagnetic field without receiving the effect of said ferromagnetic field.
Inventors:
Hiroaki Kubokawa
Takashi Tsukaya
Ueda Yasuhiro
Yutaka Oshima
Nakamura Takeaki
Hiroki Hibino
Tadao Hagino
Takashi Tsukaya
Ueda Yasuhiro
Yutaka Oshima
Nakamura Takeaki
Hiroki Hibino
Tadao Hagino
Application Number:
JP10403387A
Publication Date:
May 28, 1997
Filing Date:
April 27, 1987
Export Citation:
Assignee:
Olympus Optical Co., Ltd.
International Classes:
A61B1/00; A61B5/055; G02B23/24; (IPC1-7): A61B1/00; A61B1/00
Domestic Patent References:
| JP5967929A | ||||
| JP5988140A | ||||
| JP6239813A | ||||
| JP61168326A |
Other References:
「ＮＭＲの理論と臨床−核磁気共鳴映像法入門−」（１９８４−１−２０）マグブロス出版株式会社Ｐ．１７９−１９１
Attorney, Agent or Firm:
Susumu Ito