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Patent Searching and Data


Title:
ENDOSCOPE FORM DETECTION DEVICE
Document Type and Number:
Japanese Patent JP3548430
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To display an endoscope form without partly exceeding a display region even when sizes etc., of subject are different in the case where the endoscope form is displayed in such a size that a user is easy to see.
SOLUTION: Positions of source coils 18-1, 18-2, etc., provided in an insertion portion 11 to be inserted into a patient 5 are magnetically detected by use of sense coils 19-1, 19-2, etc., of an external coil unit 20, and referenced localization information of a source oil of a marker 21 installed at a reference position of the patient 5 is detected by use of the sense coils 19-1, 19-2, etc. This referenced localization information is set at a center position of a display surface of a form display monitor 24 to display the form of the insertion portion 11 to display a pseudo-display of the form of the insertion portion 11, so in the case where it is displayed with the size of an insertion form enlarged to be easy to see, it can be displayed without partly exceeding a display region even when the size or the like of the patient 5 is changed.


Inventors:
Yasuhiro Yoshizawa
Jun Hasegawa
Sumihiro Uchimura
Akira Taniguchi
Ken Kawabata
Fumiyuki Onoda
Chieko Aizawa
Masanao Hara
Kazutaka Tsuji
Application Number:
JP24990698A
Publication Date:
July 28, 2004
Filing Date:
September 03, 1998
Export Citation:
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Assignee:
Olympus Endo Technology America Inc.
International Classes:
H04N7/18; A61B1/00; G01B7/00; G01D7/00; (IPC1-7): A61B1/00; G01B7/00; H04N7/18
Domestic Patent References:
JP56139733A
JP6483239A
JP576532A
JP5103784A
JP6285043A
JP8542A
JP8107875A
JP8299259A
JP8332169A
JP928659A
JP55116613U
Foreign References:
US5729129
WO1994004938A1
WO1997032179A1