Near-infrared spectrum imaging system and method for diagnosis of depth and area of burn skin necrosis

US10278636B2 · kind B2 · utility

Assignee

• BEIJING HEFENGLIANKANG INVESTMENT MANAGEMENT LTD · CN

Inventors

• Jun-Chen Wu · Chongqing, CN
• Cangli Liu · Mianyang, CN
• Junjie Yang · Santa Clara, US
• Yongquan Luo · Fujian, CN
• Lixian Huang · Plano, US
• Gaoxing LUO · Chongqing, CN
• Zhiqiang Chen · Beijing, CN
• Jianheng Zhao · Mianyang, CN
• Dayong Zhang · Zhejiang, CN
• Zhixue Shen · Mianyang, CN
• Jianfeng Li · Qingdao, CN
• Weifeng He · Tuji, CN

Key dates

• Filing date: Jan 9, 2015
• Grant date: May 7, 2019
• Expiry date: Sep 21, 2035

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61B2562/0242
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

A near-infrared spectrum imaging system for diagnosis of the depth and the area of burn skin necrosis comprises a spectrum imager and a computer controlled system. The spectrum imaging system comprises a light source (101), an optical lens (102), a filter (103), a driving controller (105a, 105b, 104), and a CCD camera (106). The filter (103) uses a wide-spectrum liquid crystal tunable filter (LCTF) or an acousto-optic tunable filter (AOTF) that obtain 1100-2500 nm waveband spectral signals of burn skin necrosis tissue of a target region. A compute controlled system is internally provided with a universal module, a data module, a spectrum correction module, a spectrum matching module, and a burn wound three-dimensional synthesizing module. The spectrum imager obtains spectral image data of burn skin necrosis tissue of a target region and inputs the data into the computer controlled system, and the computer controlled system performs image analysis and processing of the data; the depth and the area of burn of the target region can be obtained by means of spectral matching and recognition on a spectral reflectance curve corresponding to each image pixel in an spectral image and a stan…