The use of HIFU piezo ceramic to treat local tumors, how to enhance the treatment effect and minimize the radiation damage to healthy areas is an important issue. In response to this problem, many researchers have designed and developed some new transducers. Some researchers have proposed to use mul

The current preferred method for curing tumors is still surgical resection. Advances in science and technology have led to the development of open surgery to a smaller trauma. Various interventional is minimally invasive treatment methods, including percutaneous radio frequency ablation and microwav

Nowadays,piezo ceramics have been widely used in the electronics, chemical, military and otherfields due to their high hardness,strengths, excellent corrosion resistance and insulatingproperties. As the compositions of piezo ceramics and raw materials are key factors to determinethe performance, the

The multi-spherical crown HIFU piezo ceramic treatment probe is a complex structure. When is designing the probe, We need to determine a lot of design parameters, including the number of array elements, the arrangement of array elements, the frequency,The array size and the radius of curvature of th

We designed the three-dimensional spherical array of geometric model-spherical crown array model. In other words, using the adjacent triangles as the modeling material, a finite shape is established.A geometric model of a spherical crown array is composed of planar regular hexagonal elements of the

HIFU uses secondary HIFU piezo ceramic technology to transmit ultrasonic waves from multiple probes to outside the patient's body, and focuses of the lesion to form a high-intensity focal spot similar to the size of rice. Producing high temperature to burn cancer cells. For the purpose of treatment,

When HIFU piezo ceramics technology is used for tumor treatment, especially for abdominal tumor treatment,it is breathing that will cause a large movement of the abdominal organs. The displacement can even reach a dozen millimeters. Anesthesia can stabilize the patient's breathing, but organ displac

With the development of HIFU piezo ceramic technology, the HIFU technology has attracted great attention on the engineering and medical circles. Many units in China have carried out research and development and clinical application of HIFU equipment, and have achieved remarkable results. this paper

(1) About planar annular array transducer. A concentric small circular area is dug in the center of the circular piston source to form an annular planar sound source.The sound pressure generated by the annular planar sound source at any point in space can be regarded as the sound pressure generated

By adding a rust inhibitor, the alumina piezo ceramic substrate can be effectively prevented from becoming yellowish after polishing, and the polishing effect is not affected. Therefore, in the high-efficiency thinning and ultra-smooth polishing of alumina piezo ceramic substrates, it is possible to