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Focal prostate cancer conformal radiofrequency ablation electrode

A technology of prostate cancer and radiofrequency ablation, applied in the field of electrodes in the field of medical equipment technology

Inactive Publication Date: 2007-08-01
SHANGHAI JIAO TONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These two electrodes have the disadvantages mentioned above and are not suitable for radiofrequency ablation of localized prostate cancer

Method used

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  • Focal prostate cancer conformal radiofrequency ablation electrode

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Embodiment Construction

[0016] The embodiments of the present invention are described in detail below in conjunction with the accompanying drawings: the present embodiment is implemented on the premise of the technical solution of the present invention, and detailed implementation is provided, but the protection scope of the present invention is not limited to the following embodiments.

[0017] The structure of this embodiment is shown in Figures 1, 2, and 3, including an overtube 1, a catheter 5, a sub-needle 6, a handle 4, a thermocouple 10, a radio frequency line and a compensation wire 7 for the thermocouple, a positioning sheath 14, and an injection port 12. In this embodiment, the overtube 1 is used for puncturing, positioning and guiding. The conduits 5 are in the outer sleeve 1 and cooperate closely with each other. That is, the catheter 5 can be loosely retracted back and forth under the orientation of the outer sleeve. The catheter 5 is a hollow tube, and one end of the catheter 5 is equ...

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Abstract

The invention discloses a conformal RF ablation electrode of focal prostate cancer, which is composed of conductor and sleeve, wherein the conductor moves in the sleeve pipe, which mates mutually and strictly; the conductor is hollow pipe with multiple fine-hollow core needles on one end; the sub-needles constitutes fan shaped beam with memory ability, which are recessed into sleeve; the handle is loaded on the rear end of conductor and sleeve.

Description

technical field [0001] The invention relates to an electrode in the technical field of medical equipment, in particular to a conformal radiofrequency ablation electrode for focal prostate cancer. Background technique [0002] Prostate cancer is one of the common cancers in elderly men, which has seriously endangered human health. In the prior art, the treatment of prostate cancer includes radical surgery, endocrine therapy, radiation therapy and minimally invasive therapy. Tumor radiofrequency ablation, as a minimally invasive method, has achieved good results in the treatment of liver, kidney and other solid tumors. Its curative effect has been clinically recognized, and it has been tried in the treatment of prostate cancer and has achieved preliminary curative effect. And because the prostate is chestnut-shaped slightly flat front and back, with a wide bottom and a tapered tip, the urethra passes through the front of the gland, and the rear is adjacent to the ampulla of t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B18/14A61N1/06
Inventor 胡兵张步林罗昌渠
Owner SHANGHAI JIAO TONG UNIV
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