Transducer for supersonic tumor curing instrument

A tumor treatment machine and transducer technology, applied in ultrasonic therapy, treatment and other directions, can solve the problems of human tissue burn and pain, small ultrasonic incident angle, and concentrated emission energy, and achieve the effect of eliminating pain and reducing sound intensity.

Inactive Publication Date: 2008-11-26
昆山吉立富软件信息有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the ultrasonic transducers of high-intensity focused ultrasound tumor therapy machines generally have the defects of small ultrasonic emission area and small ultrasonic incident angle, which makes the emission energy too concentrated, and the energy per unit area perpendicular to the sound energy transmission direction is the sound intensity. Excessively large, likely to cause burns and pain to the skin interface and human tissue along the transmission path

Method used

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  • Transducer for supersonic tumor curing instrument
  • Transducer for supersonic tumor curing instrument
  • Transducer for supersonic tumor curing instrument

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] like figure 1 , figure 2 As shown, a transducer for an ultrasonic tumor treatment machine includes a spherical crown 1 with an inner diameter of 30 cm, a piezoelectric crystal 2, a high-frequency signal source 3, a crystal shell 4 and a bracket. There are 24 symmetrically arranged on the spherical surface of the spherical crown 1. Mounting holes, the piezoelectric crystals 2 having the same number as the mounting holes are respectively fixed in the mounting holes of the spherical crown 1 through their shells 4 . The spherical cap 1 is supported on a bracket composed of four pillars. The surface of the piezoelectric crystal 2 is arc-shaped, and its curvature radius is the same as that of the spherical cap 1. The high-frequency signal sources 3 with the same number of transistors 2 are respectively connected to the piezoelectric crystals 2 through wires. Due to the large surface area of ​​the spherical crown of the transducer of the ultrasonic tumor treatment machine, ...

Embodiment 2

[0014] A transducer for an ultrasonic tumor treatment machine, which uses a spherical crown 1 with an inner diameter of 50 cm, and 45 mounting holes are symmetrically opened on the spherical surface of the spherical crown 1, and piezoelectric crystals 2 with the same number as the mounting holes are respectively fixed through their shells 4 In the mounting hole of the spherical cap 1, the ultrasonic emission angle of the transducer is 115°. All the other are identical with embodiment 1.

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Abstract

The transducer for supersonic tumor therapy instrument consists of spherical cap and piezoelectric crystals installed in the spherical cap. The piezoelectric crystals are powdered separately by HF signal source and form superlarge supersonic emitting surface of 800-1200 sq cm. The supersonic energy enters body in large incident angle of 80-120 deg. Compared with similar instrument with the same focus range and supersonic strength, the instrument has greatly reduced supersonic strength in skin and tissue in the transmission path and concentrated supersonic energy onto the disease focus. So, using the instrument in treatment needs no anaesthesia and produces no skin scald and pain.

Description

technical field [0001] The invention relates to an ultrasonic transducer, in particular to a transducer for an ultrasonic tumor treatment machine with a super large area and a super large incident angle. technical background [0002] At present, the ultrasonic transducers of high-intensity focused ultrasound tumor therapy machines generally have the defects of small ultrasonic emission area and small ultrasonic incident angle, which makes the emission energy too concentrated, and the energy per unit area perpendicular to the sound energy transmission direction is the sound intensity. Excessively large, likely to cause burns and pain to the skin interface and human tissue along the transmission path Contents of the invention [0003] The technical problem to be solved by the present invention is to provide an ultrasonic transducer with a large ultrasonic emission area and a large ultrasonic incident angle, which can be applied to a high-intensity focused ultrasonic tumor tr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61N7/00
Inventor 任爱卿
Owner 昆山吉立富软件信息有限公司
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