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Title:
MEDICAL INSTRUMENT
Document Type and Number:
Japanese Patent JP2004073284
Kind Code:
A
Abstract:

To provide a medical instrument capable of discriminating the presence of the positional shift of an insertion part or preventing the positional shift of the insertion part.

This medical instruement has a long applicator 100 capable of being inserted in a living body 700, a magnet 120 provided to a part of the applicator 100 to generate a magnetic field, a measuring part 200 for measuring the intensity of the magnetic field caused by the magnet 120 outside the living body 700, a memory part 300 for storing the intensity of the magnetic field, which is measured by the measuring part 200 when the applicator 100 is present at a reference position in the living body 700 as a reference value, and an output part 500 for outputting a predetermined signal on the basis of the change between the intensity of the magnetic field newly measured by the measuring part 200 and the reference value. Further, the magnet 120 is attracted to the living body 700 from the outside by an electromagnet to fix the applicator 100 in the inside of the living body 700.


Inventors:
IWAHASHI SHIGENOBU
KANO WATARU
HARUYAMA NORIHIKO
Application Number:
JP2002000234210
Publication Date:
March 11, 2004
Filing Date:
August 09, 2002
Export Citation:
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Assignee:
TERUMO CORP
OLYMPUS CORP
International Classes:
A61B18/20; A61B17/00; A61M25/00; A61M25/01; A61N5/06; (IPC1-7): A61M25/01; A61B17/00; A61B18/20; A61M25/00; A61N5/06
Attorney, Agent or Firm:
八田 幹雄
野上 敦
奈良 泰男
齋藤 悦子
宇谷 勝幸



 
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