CN102028538A - Multifunctional cold circulation concentrated beam radiofrequency treatment probe - Google Patents
Multifunctional cold circulation concentrated beam radiofrequency treatment probe Download PDFInfo
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- CN102028538A CN102028538A CN 201110025613 CN201110025613A CN102028538A CN 102028538 A CN102028538 A CN 102028538A CN 201110025613 CN201110025613 CN 201110025613 CN 201110025613 A CN201110025613 A CN 201110025613A CN 102028538 A CN102028538 A CN 102028538A
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Abstract
The invention discloses a multifunctional cold circulation concentrated beam radiofrequency treatment probe, which comprises an operating handle, wherein a concentrated beam consists of two or more liquid medium enhanced hollow cooling radiofrequency electrodes; the center of the concentrated beam is provided with a multifunctional channel for injecting a liquid medium into a tissue or embedding a solid medium or measuring the temperature or performing tissue biopsy; and the multifunctional channel and the concentrated beam are fixed on the operating handle. The ablation size of a radiofrequency tissue is enlarged remarkably, treatment effect is enhanced by injecting a liquid medium into the tissue or embedding the solid medium and various functions such as biopsy, temperature measurement, liquid medium injection, solid medium embedding and the like are achieved.
Description
Technical field
The present invention relates to a kind of medical apparatus and instruments that tissue melts that is used for, treat probe frequently in particular for human body entity tumor or the heat-inactivated multi-functional cold cycle set beam of pathological tissues.
Background technology
The radio frequency entity tumor melts that (Radiofrequency Tumor Ablation RFA) is the new method of minimally-invasive treatment, clinically uses more and more widely, and therapeutic electrode is the key technology in this field.The electrode of the radio-frequency current that generator produces in inserting human body is released in the destination organization, causes the ion oscillation frictional heat in the destination organization, causes the destination organization temperature to raise, and makes it coagulation necrosis, damages pathological tissues, thereby reaches therapeutic purposes.
Existing its therapeutic domain of radio-frequency (RF) therapy electrode is limited, does not reach the needs of clinical most of cases, has influenced therapeutic effect, has limited its application, only possesses the single temperature function that adds simultaneously.
Summary of the invention
Goal of the invention: technical problem to be solved by this invention is at the deficiencies in the prior art, in order further to enlarge the scope of ablation of tissue, improves the therapeutic effect of radio frequency entity tumor heating ablation, provides a kind of multi-functional cold cycle set beam to treat probe frequently.
In order to solve the problems of the technologies described above, the invention discloses a kind of multi-functional cold cycle set beam and treat probe frequently, comprise operating grip, comprise that the liquid medium more than two or two strengthens hollow cooled RF electrode composition boundling, central authorities at boundling are provided with multi-functional path, are used in destination organization the infusion liquid medium or implant solid dielectric or carry out thermometric or carry out biopsy;
Described multi-functional path and boundling are fixed on the operating grip.
Among the present invention, preferably, an end of described multi-functional path passes operating grip, and is connected with a multifunctional channel three-way interface.
Among the present invention, preferably, be provided with liquid conducting pipes and/or Solid Conveying and Melting pipeline in the described multi-functional path; Liquid conducting pipes is used for the infusion liquid medium; The Solid Conveying and Melting pipeline is used for the infusion solid dielectric.Multi-functional path by boundling central authorities can be in tissue (as sodium chloride solution, medicine, chemical reagent, the liquid radioactive substance of water, various concentration) and/or implant solid dielectric (radioactive substance plasmid, chemical reagent, metal, tracer) with enhancing radio-frequency (RF) therapy usefulness or directly produce therapeutical effect.
Among the present invention, preferably, be provided with the puncture needle that is used to organize quick aspiration biopsy (comprising core biopsy and fine needle aspiration biopsy) or routine pathology inspection in the described multi-functional path.
Among the present invention, preferably, be provided with the temperature measuring equipment that is used to carry out the target tissue temperature monitoring in the described multi-functional path, with the monitor treatment effect.
Among the present invention, preferably, described liquid medium strengthens hollow cooled RF electrode and comprises radio-frequency electrode body, coolant input channel and coolant output channel; Operating grip is provided with the coolant input port that is communicated with the coolant input channel, and the coolant delivery outlet that is communicated with the coolant output channel.Link to each other with heat-exchanger rig and circulating driving device with the coolant delivery outlet by the coolant input port, constitute airtight coolant circulation canal, coolant then comprises the liquids and gases coolant.
Among the present invention, further preferably a scheme is, is provided with the liquid medium input channel in the described radio-frequency electrode body; Described liquid medium input channel comprises that being arranged on the vertical liquid medium of radio-frequency electrode body exports, and is arranged on the liquid medium inlet on the operating grip, and the liquid medium infusion tube that connects liquid medium outlet and liquid medium inlet.The liquid of its infusion can be sodium chloride solution, medicine, the chemical reagent of water, various concentration.Certainly, the design of liquid medium input channel is not necessary ingredient in the present invention.
Among the present invention, the length that described liquid medium strengthens hollow cooled RF electrode is 100mm ~ 500mm, to be suitable for various therapeutic modalities.
Among the present invention, the surface that described liquid medium strengthens hollow cooled RF electrode scribbles insulating coating, and the tolerance scale mark is arranged, and the surface of the terminal 10mm of distance ~ 50mm part scribbles the coating of reflection supersonic wave.The top of described hollow cooled RF electrode can be designed as sharp-pointed shape.
Beneficial effect: the present invention increases the radiofrequency tissue ablation volume significantly, and has had in tissue the infusion liquid medium or implanted solid dielectric with the enhancing therapeutic effect, and multiple functions such as biopsy, thermometric.
Particularly, the present invention because have cold circulation and in tissue the function of infusion liquid medium, both reduced the temperature at electrode-tissue interface, prevent to organize carbonization, vaporization, resistance is reduced, allow that the more electromagnetism of release involves heat energy in tissue.And transmit medium as heat with liquid medium, improve conduction of heat, thermal diffusion between tissue, therefore the volume that melts of augmenting tissue significantly.Employed liquid or solid medium can be simultaneously to pathological tissues performance chemistry, biology or radiologic therapeutic efficacy.
The present invention is provided with multifunctional channel in the central authorities of electrode boundling, when cooperating the aspiration biopsy pin to use, can cut tissue and carry out pathologic finding, helps to make apace pathological diagnosis, for treatment provides foundation.If be equipped with special adjustable thermoprobe, this passage then can directly be measured the temperature of target tissue site, for the treatment monitoring provides foundation.
Description of drawings
Below in conjunction with the drawings and specific embodiments the present invention is done further to specify, above-mentioned and/or otherwise advantage of the present invention will become apparent.
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the cross sectional representation of operating grip part among the present invention.
Fig. 3 a, Fig. 3 b, Fig. 3 c are multifunctional channel inner part sketch map among the present invention.
Fig. 4 strengthens hollow cooled RF electrode structure sketch map for liquid medium among the present invention.
Among the figure: 1, multifunctional channel, 2, liquid medium strengthens hollow cooled RF electrode, 3, operating grip, 4, coolant delivery outlet, 5, the coolant input port, 6, the radio-frequency power supply line, 7, multifunctional channel three-way interface, 8, nook closing member, 9, adjustable temperature measuring equipment, 10, biopsy needle, 11, liquid medium outlet, 12, the radio-frequency electrode body, 13, the liquid medium infusion tube, 14, coolant input channel, 15, the coolant output channel.
The specific embodiment
As Fig. 1, Fig. 2 and shown in Figure 4, working portion of the present invention strengthens hollow cooled RF electrode 2 by the liquid medium more than two or two and constitutes boundling, and electrode is fixed on the operating grip 3, the terminal radio-frequency power supply line 6 that connects of operating grip.Hollow cooled RF electrode 2 comprises radio-frequency electrode body 12, all there is independently coolant input channel 14 each radio-frequency electrode body 12 inside, coolant output channel 15 and liquid medium infusion tube 13, each coolant input channel 14 and coolant output channel 15 link to each other with the liquid circulation driving device with coolant input port 5 and heat-exchanger rig and constitute the coolant circulation by being positioned at coolant delivery outlet 4 on the operating grip 3, as shown in Figure 4, the coolant output channel adopts a pipeline to stretch into the top of radio-frequency electrode body 12, near vertical liquid medium outlet, because radio-frequency electrode body 12 is a hollow design, therefore, its inner part of removing liquid medium infusion tube 13 and coolant input channel 14, can be used as coolant output channel 15,3 coolant delivery outlet 4 on the coolant output channel 15 final connection operating grips.Be input to coolant input channel 14 from coolant input port 5 thus, discharge coolant from 14 open tops of coolant input channel, in the coolant decline process from top to bottom whole radio-frequency electrode body 12 is cooled off, and, finally discharge from coolant delivery outlet 4 from 15 outputs of coolant output channel.The circulation coolant is used for coolant treatment electrode itself, alleviates to organize carbonization and vaporization, to enlarge the radio-frequency (RF) therapy scope and to prevent the secondary damage of heat.Simultaneously, in the radio-frequency electrode body 12 of therapeutic electrode, be provided with the liquid medium infusion tube, can be before carrying out radio-frequency (RF) therapy and in the therapeutic process, by liquid medium inlet (not shown), liquid medium infusion tube 13, liquid medium outlet 11 various aseptic liquid mediums of infusion in tissue, can be sodium chloride solution, chemicals and reagent and the liquid radioactive substance of water, various concentration, both reduced the temperature at electrode-tissue interface, prevent to organize carbonization, vaporization, resistance is reduced, allow in tissue, to discharge more electromagnetism and involve heat energy.And transmit medium as heat with liquid medium, and improve conduction of heat, thermal diffusion between tissue, increased the volume of ablation of tissue.And bundling electrode has significantly enlarged the therapeutic domain of single puncture radio-frequency (RF) ablation through the stack of therapeutic efficacy.
As shown in Figure 1 and Figure 2, the central part at the boundling probe is provided with a multifunctional channel 1, is connected in the multifunctional channel three-way interface 7 at handle rear portion thereafter.Nook closing member 8(is housed shown in Fig. 3 a in it during puncture), after putting in place, puncture nook closing member can be taken out, with its passage as independent infusion liquid medium or implantation solid dielectric, also can use adjustable temperature measuring equipment 9(shown in Fig. 3 b by this passage) mensuration target tissue temperature, monitoring therapeuticing effect, or use biopsy needle 10(shown in Fig. 3 c) carry out core biopsy, with the pathological diagnosis of clarifying a diagnosis, for treatment provides foundation.Each radio-frequency electrode surface scribbles insulating coating, and the tolerance scale mark is arranged, and its terminal exposing does not cover insulating coating, and scribbles the coating of reflection supersonic wave.
The invention provides a kind of multi-functional cold cycle set beam and treat the thinking and the method for probe frequently; the method and the approach of this technical scheme of specific implementation are a lot; the above only is a preferred implementation of the present invention; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the principle of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.The all available prior art of each ingredient not clear and definite in the present embodiment is realized.
Claims (9)
1. probe is treated in a multi-functional cold cycle set beam frequently, comprise operating grip, it is characterized in that, comprise that the liquid medium more than two or two strengthens hollow cooled RF electrode composition boundling, central authorities at boundling are provided with multi-functional path, are used in destination organization the infusion liquid medium or implant solid dielectric or carry out thermometric or carry out biopsy;
Described multi-functional path and boundling are fixed on the operating grip.
2. probe is treated in multi-functional cold cycle set beam according to claim 1 frequently, it is characterized in that an end of described multi-functional path passes operating grip, and is connected with a multifunctional channel three-way interface.
3. probe is treated in multi-functional cold cycle set beam according to claim 1 and 2 frequently, it is characterized in that, is provided with liquid conducting pipes and/or Solid Conveying and Melting pipeline in the described multi-functional path;
Liquid conducting pipes is used for the infusion liquid medium;
The Solid Conveying and Melting pipeline is used for the infusion solid dielectric.
4. probe is treated in multi-functional cold cycle set beam according to claim 1 and 2 frequently, it is characterized in that, is provided with in the described multi-functional path to be used to organize quick aspiration biopsy or routine pathology to learn the puncture needle of checking.
5. probe is treated in multi-functional cold cycle set beam according to claim 1 and 2 frequently, it is characterized in that, is provided with the temperature measuring equipment that is used to carry out the target tissue temperature monitoring in the described multi-functional path.
6. probe is treated in multi-functional cold cycle set beam according to claim 1 and 2 frequently, it is characterized in that, described liquid medium strengthens hollow cooled RF electrode and comprises radio-frequency electrode body, coolant input channel and coolant output channel; Operating grip is provided with the coolant input port that is communicated with the coolant input channel, and the coolant delivery outlet that is communicated with the coolant output channel.
7. probe is treated in multi-functional cold cycle set beam according to claim 6 frequently, it is characterized in that, is provided with the liquid medium input channel in the described radio-frequency electrode body;
Described liquid medium input channel comprises that being arranged on the vertical liquid medium of radio-frequency electrode body exports, and is arranged on the liquid medium inlet on the operating grip, and the liquid medium infusion tube that connects liquid medium outlet and liquid medium inlet.
8. probe is treated in multi-functional cold cycle set beam according to claim 1 frequently, it is characterized in that, the length that described liquid medium strengthens hollow cooled RF electrode is 100mm ~ 500mm.
9. probe is treated in multi-functional cold cycle set beam according to claim 8 frequently, it is characterized in that, the surface that described liquid medium strengthens hollow cooled RF electrode scribbles insulating coating, and the tolerance scale mark is arranged, and the surface of the terminal 10mm of distance ~ 50mm part scribbles the coating of reflection supersonic wave.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011100256137A CN102028538B (en) | 2011-01-24 | 2011-01-24 | Multifunctional cold circulation concentrated beam radiofrequency treatment probe |
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| CN2011100256137A CN102028538B (en) | 2011-01-24 | 2011-01-24 | Multifunctional cold circulation concentrated beam radiofrequency treatment probe |
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| CN102028538B CN102028538B (en) | 2012-07-11 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102626329A (en) * | 2012-03-13 | 2012-08-08 | 郑州大学 | Radiofrequency ablation negative pressure automatic biopsy gun |
| CN103371865A (en) * | 2012-04-13 | 2013-10-30 | 上海微创电生理医疗科技有限公司 | Cold brine perfusion type radiofrequency ablation catheter |
| CN106073891A (en) * | 2016-08-09 | 2016-11-09 | 常州市第人民医院 | Cold ion perfusion SAPMAC method autologous recovery cluster radio ablation system |
| WO2019095189A1 (en) * | 2017-11-16 | 2019-05-23 | 中国人民解放***箭军总医院 | Steep pulse electric field tumor treatment electrode |
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| CN2689905Y (en) * | 2004-04-15 | 2005-04-06 | 上海交通大学 | Water cooling device for needle shape radio frequency melting electrode |
| US20080058705A1 (en) * | 2004-09-27 | 2008-03-06 | Vibratech Ab | Arrangement for Therapy of Tumours |
| CN101411645A (en) * | 2007-10-19 | 2009-04-22 | 上海导向医疗***有限公司 | The uniform radio-frequency ablation electrode of surface temperature |
| CN102058428A (en) * | 2011-01-24 | 2011-05-18 | 苗毅 | Multifunctional cold-circulating bundling microwave treatment probe |
| CN201949121U (en) * | 2011-01-24 | 2011-08-31 | 苗毅 | Multifunctional cold circulation cluster radio frequency therapeutic probe |
| CN201949124U (en) * | 2011-01-24 | 2011-08-31 | 苗毅 | Multifunctional cold circulation cluster microwave therapeutic probe |
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2011
- 2011-01-24 CN CN2011100256137A patent/CN102028538B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2689905Y (en) * | 2004-04-15 | 2005-04-06 | 上海交通大学 | Water cooling device for needle shape radio frequency melting electrode |
| US20080058705A1 (en) * | 2004-09-27 | 2008-03-06 | Vibratech Ab | Arrangement for Therapy of Tumours |
| CN101411645A (en) * | 2007-10-19 | 2009-04-22 | 上海导向医疗***有限公司 | The uniform radio-frequency ablation electrode of surface temperature |
| CN102058428A (en) * | 2011-01-24 | 2011-05-18 | 苗毅 | Multifunctional cold-circulating bundling microwave treatment probe |
| CN201949121U (en) * | 2011-01-24 | 2011-08-31 | 苗毅 | Multifunctional cold circulation cluster radio frequency therapeutic probe |
| CN201949124U (en) * | 2011-01-24 | 2011-08-31 | 苗毅 | Multifunctional cold circulation cluster microwave therapeutic probe |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102626329A (en) * | 2012-03-13 | 2012-08-08 | 郑州大学 | Radiofrequency ablation negative pressure automatic biopsy gun |
| CN102626329B (en) * | 2012-03-13 | 2014-10-15 | 郑州大学 | Radiofrequency ablation negative pressure automatic biopsy gun |
| CN103371865A (en) * | 2012-04-13 | 2013-10-30 | 上海微创电生理医疗科技有限公司 | Cold brine perfusion type radiofrequency ablation catheter |
| CN103371865B (en) * | 2012-04-13 | 2015-04-01 | 上海微创电生理医疗科技有限公司 | Cold brine perfusion type radiofrequency ablation catheter |
| CN106073891A (en) * | 2016-08-09 | 2016-11-09 | 常州市第人民医院 | Cold ion perfusion SAPMAC method autologous recovery cluster radio ablation system |
| WO2019095189A1 (en) * | 2017-11-16 | 2019-05-23 | 中国人民解放***箭军总医院 | Steep pulse electric field tumor treatment electrode |
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| Publication number | Publication date |
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| CN102028538B (en) | 2012-07-11 |
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