Title:
MEDICAL SYSTEM
Document Type and Number:
WIPO Patent Application WO/2012/132301
Kind Code:
A1
Abstract:
A medical system includes an acquisition unit configured to acquire a tomographic image of an object to be examined based on a combined beam generated by combining a return beam returning from the object to be examined illuminated with a measuring beam and a reference beam corresponding to the measuring beam, a focus position changing unit configured to change a focus position on the object to be examined; an optical-path-length difference changing unit configured to change a difference in optical path lengths between the measuring beam and the reference beam, and a control unit configured to control the optical-path-length difference changing unit so that the difference in the optical path length is within a predetermined range and then receive an instruction to the focus position changing unit to make a change.
Inventors:
TAKAI MOTOYA (JP)
Application Number:
PCT/JP2012/001881
Publication Date:
October 04, 2012
Filing Date:
March 19, 2012
Export Citation:
Assignee:
CANON KK (JP)
TAKAI MOTOYA (JP)
TAKAI MOTOYA (JP)
International Classes:
A61B3/12; A61B3/00; A61B3/10; A61B3/15
Foreign References:
| EP2130486A1 | 2009-12-09 | |||
| US20070252951A1 | 2007-11-01 | |||
| US20090268020A1 | 2009-10-29 | |||
| JP2009291252A | 2009-12-17 | |||
| JP2010181172A | 2010-08-19 | |||
| JPS6423134A | 1989-01-25 | |||
| JP2011079363A | 2011-04-21 |
Attorney, Agent or Firm:
ABE, Takuma et al. (30-2 Shimomaruko 3-chome, Ohta-k, Tokyo 01, JP)
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Claims: