2results about How to "Ensure safe development" patented technology

The invention discloses a highly repeatable and controllable methane gas explosion seismic source system, which comprises a rigid cavity, a gas explosion cavity and a precise exploder, the rigid cavity is internally provided with a flexible inner container, the flexible inner container is filled with a strong conduction medium, the lower end of the rigid cavity is provided with a vibration plate, and the vibration plate is located at the lower end of the flexible inner container; the gas explosion cavity is arranged in the rigid cavity, a high-pressure gas inlet pipe is arranged at the upper end of the interior of the gas explosion cavity, a rapid gas stirrer is arranged in the high-pressure gas inlet pipe, a directional exciter fixedly sleeves the exterior of the lower end of the gas explosion cavity, and a reflecting cover is arranged at the upper end of the gas explosion cavity; the precise exploder is arranged at the upper end of the gas explosion cavity, the lower end of the rigid cavity is provided with a first anti-aging cushion layer and a second anti-aging cushion layer from top to bottom, and according to the highly-repeatable and controllable methane gas explosion seismic source system, seismic waves are stably generated at the same place by precisely controlling the release amount of methane gas and the explosion condition; and a superposition effect is realized.

The utility model discloses a kind of free directional guiding visual guide wire mirror devices.The device is mainly composed of hand handle, imaging optical fiber, illumination optical fiber, miniature viewfinder objective group, photoelectric conversion image acquisition group, flexible outer sleeve and front end free directional guiding end, outer diameter is less than 0.9mm.Free directional guiding function is unique, can be visualized to explore in the premise of not harming cavity tract mucosa, into super thin tube cavity and narrow site.The medical scene such as oviduct cavity tract inspection, assisting duodenoscope to carry out intrahepatic duct operation can be applied to, effectively break through the application limitation of traditional endoscope, reduce the harm of radiation, reduce cross-infection risk, provide innovative technical means for medical diagnosis and treatment.