Title:
創傷からの血液漏出の検出のための手段および方法
Document Type and Number:
Japanese Patent JP4831776
Kind Code:
B2
Abstract:
An optical fibre through which light passes is used for detecting blood leakage from a wound. The fibre may be comprised by a blood leakage detection apparatus having a light source and a photo detector in radiative communication with the respective ends of the fibre and producing an electrical signal in response to the light detected, photo detector signal amplifying means, means for detecting changes in the amplified signal over time, and alarm means, wherein a decrease in signal strength during a selected time period activates the alarm means; a corresponding method of detecting blood leakage; a device for use with the apparatus of the invention comprising the optical fibre thereof provided with coupling means at its ends and a patch of blood absorbing material.
Inventors:
Daniel Engbal
Ron Naruto
Carlson, Perov
Rutgerson, Lars
Svenson, Frederik
Ron Naruto
Carlson, Perov
Rutgerson, Lars
Svenson, Frederik
Application Number:
JP2007518005A
Publication Date:
December 07, 2011
Filing Date:
June 21, 2005
Export Citation:
Assignee:
Red Sense Medical Malta Limited
International Classes:
A61B19/00; A61B5/00; A61M1/14; H04B10/25; G01N
Domestic Patent References:
| JP2004138614A | 2004-05-13 | |||
| JP2002540869A | 2002-12-03 | |||
| JPH06327766A | 1994-11-29 | |||
| JPH04357961A | 1992-12-10 | |||
| JPS6196211A | 1986-05-14 | |||
| JPS63228093A | 1988-09-22 |
Foreign References:
| US6356675B1 | 2002-03-12 | |||
| US5600433A | 1997-02-04 |
Attorney, Agent or Firm:
Keinosuke Ozawa