GENEVA, April 5 -- GUANGZHOU RED PINE MEDICAL INSTRUMENT CO., LTD. (12/F, No.87 Luoxuan Avenue, Guangzhou International Bio-island, Huangpu DistrictGuangzhou, Guangdong 510000), 广州瑞派医疗器械有限责任公司 (中国广东省广州市黄埔区（广州国际生物岛）螺旋大路87号第十二层) filed a patent application (PCT/CN2025/123389) for "ENDOSCOPE, AIR-WATER VALVE, AND BACKFLOW ASSEMBLY" on Sep 23, 2025. With publication no. WO/2026/067410, the details related to the patent application was published on Ap...