Matsushita Electric Industrial Co., Ltd.

Matsushita Electrical Industrial Co., Ltd.

Kiyoko Oshima

Shinji Uchida

Masahiko Shioi

Hiroshi Atsuta

Hiroyuki Yamakita

Kazuo Matsuura

The present invention provides an optical element for measuring information of living body for noninvasively measuring a body fluid component in a test sample of living body with high accuracy, stability, and ease. The optical element includes a light incident surface, a contact surface contacting living body and having a groove to protrude living body and a light emission surface, in which a light incident from the light incident surface is applied to living body, and the light absorbed and scattered by living body is received and emitted from the light emission surface, a light transmittance controlling means is formed from the bottom part of the valley part of the groove, on at least a part of a wall surface of the light incident surface side and/or on a wall surface of the light emission surface side of the groove.

Optical element for measuring information of living body and device for measuring information of living body using the optical element

In order to precisely determine a stable measuring region appropriate for a measurement of biological information, and to measure a concentration of a specific component, i.e. biological information, without inconsistency, a biological information measuring device is provided with, a measuring region determining means for determining a measuring region in between an eponychium and a distal interphalangeal joint; an information detector for applying a light to measuring region; a light source for entering a light to information detector; a light detector for detecting a light which exits from the information detector; and a processor for measuring specific component based on information obtained from light detector.

Method and device for measuring biological information

In order to solve the problem of a prior art biological attribute measuring device, i.e., measurement data is apt to vary because of unstable contact due to difficulty in controlling a thickness of a saliva layer and pain caused during the measurement, is provided a biological attribute measuring device including a contact device having a portion, at least part of which is a curved surface, for abutting against a measuring region to apply light to the measuring region, a light detecting means for detecting at least one selected from the group consisting of transmitted light, reflected light, scattered light and transmitted/reflected light from the measuring region and a measuring means for measuring a specific component in the measuring region based on the detection result.

Apparatus for measuring biological information and method for measuring biological information

The present invention provides easy and stable measurement of the concentration of a specific component contained in a living body, even when a fluid such as water, saliva or sweat is present between an optical element and the living body or when the measurement is taken at a plurality of measuring parts of a living body. In the measurement of the present invention, a calibration line to be used to correct the influence of a change of a fluid layer present between a living body and an optical element is determined, a measured value is corrected based on the calibration line and the concentration is obtained from the corrected value.

Method and device for measuring concentration of specific component

Endoscope, method of manufacturing the same, and insertion member

A compact and light-weight video scope camera offering easy magnification changing operations. A hollow insert portion continuous to a grip to be held by an operator is provided with an imaging system at the leading end. Operating an operation switch on the grip allows operational movement of a selection mechanism in the insert portion to cyclically or selectively select, from plural preset distance values, a distance between a lens and an image pickup device in the imaging system, corresponding to which distance, the lens or the image pickup device is moved relative to each other by an imaging system component of mechanism to set any one of predetermined magnification modes. This results a compact, light-weight video scope camera offering easy magnification changing operations. The invention is applicable to various video scope cameras for diagnosis and/or treatment in dentistry and orthopedics and also for industrial or educational use.

Growing community of inventors

Shijonawate, Japan

Kiyoko Oshima