Title:
BLOOD FLOW SENSOR
Document Type and Number:
WIPO Patent Application WO/2016/092680
Kind Code:
A1
Abstract:
This blood flow sensor 1 can measure the flow speed of blood B flowing through a transparent tube 40 and is provided with a light-emitting element 10 which emits a laser beam L and a light-receiving element 20 which receives light. This blood flow sensor 1 is provided with a light-blocking element cover 70 which covers the light emitting element 10 and the light receiving element 20, and a light-blocking tube cover 30 which covers part of the outer surface 43 of the transparent tube 40. The light emitting element 10 emits a laser beam L towards the blood B flowing through the transparent tube 40. The light-receiving element 20 receives non-Doppler-shifted light which is emitted by the light emitting element 10 and reflected in the transparent tube 40, and Doppler-shifted light which is emitted by the light emitting element 10 and reflected by a blood component flowing through the transparent tube 40. The tube cover 30 is fixed to the element cover 70, and, from the element cover 70, extends along the outer surface 43 of the transparent tube 40.
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Inventors:
GOMEI TOMOO (JP)
HIRA EIJI (JP)
TOMOYASU NAOTO (JP)
HIRA EIJI (JP)
TOMOYASU NAOTO (JP)
Application Number:
PCT/JP2014/082887
Publication Date:
June 16, 2016
Filing Date:
December 11, 2014
Export Citation:
Assignee:
AICHI TOKEI DENKI KK (JP)
International Classes:
A61B5/026; G01P5/26
Domestic Patent References:
| WO2013153664A1 | 2013-10-17 | |||
| WO2008114398A1 | 2008-09-25 |
Foreign References:
| JP2007225923A | 2007-09-06 |
Attorney, Agent or Firm:
KAI-U PATENT LAW FIRM (JP)
Patent business corporation KAI-U Patent Law Firm (JP)
Patent business corporation KAI-U Patent Law Firm (JP)
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