Help me to check whether the patent number ZL9714484.8 has passed. Thank you.

issuance date: it is blank, which shows that the patent application was not authorized to issue a license and failed to pass the examination.

application number: 9714484.8 application date: June 2, 1997

name: external irradiation method for blood laser treatment and its therapeutic apparatus

Gongkai (announcement)No.: CN118574 is published (announcement). Date: May 6, 1998

Main classification number: A61N5/6, original application number:

Classification number: A61N5/6

Certificate issuing date: priority:

Application (patent right). Person: Wu Xiaoguang

Address: 18 No.2, South Second Lane, Zhongguancun, Haidian District, Beijing

Fa Ming (design) Person: Wu Xiaoguang International Application:

International Publication: Date of Entry into China:

Patent Agency: Tsinghua University Patent Office Agent: Liao Yuanqiu

Abstract

The invention belongs to the design field of laser medical instruments, and is characterized in that a laser with a laser wavelength of 6 nm to 7 nm is adopted, and the blood is irradiated from the epidermis through the blood vessel wall during treatment. The therapeutic instrument comprises a laser, a power supply, a control circuit, a control keyboard and a display. It has the characteristics of painless and noninvasive treatment, and its curative effect is no less than that of intravascular irradiation. Its therapeutic instrument is small in size, low in cost, simple in structure and convenient to operate. Not only can it be used in medical units, but it can even enter the family and become a home physiotherapy and health care instrument.