Teijin Pharma Limited

Yuki Kawase

Takamitsu Okayama

Takuya Nanjo

Rei Tamiya

Daisuke Niwa

Naoya Ishibashi

Satoshi Igarashi

Shosaku Motohara

Toshihiro Sato

Kazunori Takahashi

A phototherapy deviceincludes a laser light sourcefor emitting laser light at a target portion T, a limit switchfor detecting an approach of the laser light sourceto a target portion T up to a predetermined distance and outputting a proximity signal, and an optical sensorsfor detecting a distance to the target portion T and outputting a distance signal S corresponding to the distance and is configured so that a reference value Lis set based on the distance signal S detected after the proximity signal is detected and emission of laser light by the laser light sourceis permitted in accordance with an amount of fluctuation of the distance signal S with respect to the reference value L

Phototherapy device and method of operation of phototherapy device

An object of the present invention is to provide a chair-type phototherapy device that enables a patient to perform light irradiation accurately targeted at a treatment site in a seated position on a chair and consequently achieves effective phototherapy even when the treatment site is in the back region that the patient is unable to see, for example, as in light irradiation for dysuria patients and patients with pain, and the patient performs light irradiation by himself/herself at home. The present invention provides a chair-type phototherapy device having a seat on which a patient is seated. The chair-type phototherapy device includes a radiation module configured to emit radiation light toward a living body, a drive module positioned behind the patient for moving the radiation module, and a fixing module fixing the drive module to the seat.

Chair-type phototherapy device

A phototherapy device including: an irradiation probe for radiating irradiation light toward a living body; a probe fixing unit into which the irradiation probe is inserted and at the same time fixed on a living body; an observation module placed on the probe fixing unit and provided with an observation means for observing an irradiation site irradiated with irradiation light which is radiated to the living body; and a moving means capable of moving the observation module to a space where the irradiation probe is to be placed in the probe fixing unit during observation of the irradiation site.

Phototherapeutic apparatus

Growing community of inventors

Tokyo, Japan

Yuki Kawase