Medical
| Sat 13 Dec 2025
Beijing, Dec. 13 -- Henan Yadu Medical Technology has secured a patent on Disposable Micro Negative Pressure Drainage Wound Protection System. Zhang Zhengnan, Hao Xiaolong, Zhang Zhe, Pan Hongfu, Niu Ge, Zhang Jingsong, Yu Bingrui, Li Xiaocong, Zhang Junjun, Yin Zhen, Li Jianning and Liu Weihua developed the invention.
The pa..