Jiangxi University of Science and Technology

Gaipin Cai

Xiaoyan Luo

Pengfei Zhan

Guohu Luo

Huiming Chen

Haohua Chen

Zhihong Jiang

Tiedong Cheng

Chunsheng Gao

The embodiments of the present invention provide a crushing cavity structure for the technical field of crushing cavities of cone crushing equipment. The crushing cavity structure comprises: a first crushing cavity structure for through-crushing an input material having a first material characteristic, the first crushing cavity structure has a first crushing cavity and a first lining plate structure that match the first material characteristic, and the first crushing cavity and the first lining plate structure form a first-stage material crushing channel; a second crushing cavity structure for through-crushing a first-stage material having a second material characteristic, the first-stage material is obtained by the input material passing through the first-stage material crushing channel, the second crushing cavity structure has a second crushing cavity and a second lining plate structure that match the second material characteristic, and the second crushing cavity and the second lining plate structure form a second-stage material crushing channel.

Material crushing cavity structure and method for designing a multi-stage nested material crushing cavity structure

An ultrasonic thrombus removing system includes a front sheath tube () and a rear sheath tube () that are independent and that are inserted into a blood vessel (); a rear end outer portion of the front sheath tube () is mounted with a front blocking balloon (), and a front end outer portion of the rear sheath tube () is mounted with a rear blocking balloon (); a breaking cavity () being formed between the two blocking balloons; the front blocking balloon () and the rear blocking balloon () expand or contract in the blood vessel () by means of the squeezing or loosening of an external force so as to block or open front and rear sides of the thrombus (); an inner portion of the rear sheath tube () is provided with a core tube () that co-axially penetrates therethrough, a front end of the core tube ().

Ultrasonic thrombus removing system

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Ganzhou, China

Gaipin Cai