1Research report on the status and high-quality development path of the medical device industry in Shandong ProvinceZHENG Hairong, LING Peixue, LI long, GAO Wei, XIN Rendong, JIANG Chenyu, LIU Ailing, TANG Xuan, ZHAO Jin, WAN Liwen, YIN TaoRESEARCH PAPERS275-2812EEG study based on multimodal sleep response brain region featuresXU Fanyao, WANG Xuejing, SONG Fanlei, LOU Yajun, ZHOU Lu, QIAN ZhiyuRESEARCH PAPERS282-2873Multi-task heart murmur detection based on progressive layered extractionLI Huhao, LI Shilong, SHOU Du, LI Li, ZHAO Qijun, PAN FanRESEARCH PAPERS288-2964Research on quantitative modeling method of physical fatigue based on multimodal physiological signalsWANG Ao, ZHANG Xueyong, ZHOU Zheng, TANG HongRESEARCH PAPERS297-3025A multiscale blood flow assessment method integrating microscopic dynamic imaging and diffuse correlation spectroscopyWU Xusheng, WANG Junqi, XU Shuning, SUN Wangwei, GUI Zhiguo, SHANG YuRESEARCH PAPERS303-3106Quantitative measurement of scleral mechanical properties based on optical coherence elastographyJIE Yong, QIN Xi, ZHANG XinyuRESEARCH PAPERS311-317,3347Portable Internet of Things body surface neuroelectric modulation analgesia systemYING Haolei, DU Jiahao, FANG Fanfu, SHI PingRESEARCH PAPERS318-3268Study on transdermal permeation characteristics of full molecular weight sodium hyaluronateWANG Zheng, FAN Yumei, LUO Xiaolan, LING PeixueRESEARCH PAPERS327-3349Research status and application of traditional Chinese medicine tuina robotNIE Yuhan, HE Haodong, ZHANG Liyang, YAO Yong, YANG Huayuan, YANG YeyingREVIEWS335-34110Application of plant polysaccharide hydrogel in the repair of diabetic foot ulcerWANG Xinyu, DING Lichao, ZHU BingqiREVIEWS342-346