Ultrasonic transducer array, ultrasonic intervention treatment system and ultrasonic ablation catheter
An ultrasonic transducer and interventional treatment technology, applied in the field of medical devices, can solve problems such as poor positioning and poor ablation effect, and achieve the effects of reducing volume, improving ablation effect, and facilitating regional interventional treatment.
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Embodiment 1
[0047] This embodiment provides an ultrasonic transducer array, which can be used for regionalized ultrasonic interventional therapy, such as figure 1As shown, the ultrasonic transducer array 8 includes: a first ultrasonic transducer group 1, a second ultrasonic transducer group 2, a metal conductive support 3, an ablation electrode lead wire group 4, an imaging electrode lead wire group 5 and a common ground Electrode leads 6. The first ultrasonic transducer group 1 includes first ultrasonic transducers 11 (one or more than two), and the first ultrasonic transducer group 1 is used for ultrasonic ablation. The second ultrasonic transducer group 2 includes second ultrasonic transducers 21 (one or more than two), and the second ultrasonic transducer group 2 is used for ultrasonic imaging. The first ultrasonic transducer 11 and the second ultrasonic transducer 21 are installed together on the metal conductive support 3 , and the metal conductive support 3 is respectively connect...
Embodiment 2
[0064] This embodiment provides an ultrasonic interventional therapy system, such as Figure 8 As shown, the ultrasonic interventional therapy system includes a frequency-tunable excitation source 7 and the ultrasonic transducer array 8 of Embodiment 1. The adjustable frequency excitation source 7 is respectively connected with the ablation electrode lead wire group 4, the imaging electrode lead wire group 5 and the common ground electrode lead wire 6, and is used to output single or multi-frequency to drive the first ultrasonic transducer 11, and is used for time-sharing Or drive the first ultrasonic transducer 11 and the second ultrasonic transducer 21 simultaneously.
[0065] The above ultrasonic interventional therapy system drives the ultrasonic transducer array through an adjustable frequency excitation source, and can adjust the output frequency according to the specific needs of interventional ablation in the body, so that the corresponding transducers can output corre...
Embodiment 3
[0068]This embodiment provides an ultrasonic ablation catheter, such as Figure 9 As shown, the ultrasonic ablation catheter includes a first lumen 101 . The first lumen 101 is used for accommodating the ultrasonic transducer array 8 of the first embodiment.
[0069] The above-mentioned ultrasonic ablation catheter provides an ultrasonic ablation catheter with specific multiple groups of different center frequencies and multiple functions by arranging an array of ultrasonic transducers in the first lumen, and realizes ultrasonic ablation and internal cavity imaging at the same time.
[0070] Preferably, the ultrasonic ablation catheter further includes a second lumen 102 for delivering medicines, such as assisting delivery of specific medicines and the like.
[0071] Preferably, the ultrasonic ablation catheter further includes a third lumen 103 for cold circulation, which can cool and dissipate the heat generated by the ultrasonic transducer array as a cold circulation syste...
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