CN101283925A - Radio frequency ablation electrode with ultrasound probe - Google Patents
Radio frequency ablation electrode with ultrasound probe Download PDFInfo
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- CN101283925A CN101283925A CNA2008100382142A CN200810038214A CN101283925A CN 101283925 A CN101283925 A CN 101283925A CN A2008100382142 A CNA2008100382142 A CN A2008100382142A CN 200810038214 A CN200810038214 A CN 200810038214A CN 101283925 A CN101283925 A CN 101283925A
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Abstract
The invention belongs to the field of medical appliance technology, in particular to an RF ablation electrode having ultrasonic probe. Based on prior similar electrodes, the RF ablation electrode has an ultrasonic probe at the front end of the electrode for scanning and detecting a target tissue in the previous stage of RF ablation, thus executing RF ablation synchronously. In the electrode, a temperature sensor can be arranged at the front end of the electrode, mark scales are formed on the outer side of an electrode sleeve, and the electrode head can have penetrability or not. The RF ablation electrode has the advantages of simple structure, convenient operation and high accuracy, and can effectively locate the target tissue to shorten the operation time and improve the operation efficiency.
Description
Technical field
The invention belongs to technical field of medical instruments, be specifically related to a kind of electrode assembly that is used for the radio-frequency (RF) ablation of the soft tissue of treatment human body (comprising tumor) that Wicresoft hinders.
Technical background
The ablating electrode implementation procedure normally relies on B ultrasonic or down straight in the CT guiding, the tumor portion of directly thrusting the patient again.R-f generator passes through ablating electrode, cooperate ground electrode and body tissue to constitute current loop, conductive ion in the body tissue and polar molecule change its direction of motion fast under the effect of radio frequency alternating current, but because volume difference, the quality difference of various conductive ions and the quantity of electric charge difference that is had, cause the counter-rotating between them and the difference of movement velocity, thereby generation frictional heat, and because the high current density that exists around the ablating electrode will form a localized hyperthermia district around the electrode.Learn that from pathology is clinical when temperature reached more than 60 ℃, the protein in the tissue can change its characteristic because of heating, the irreversibility necrosis that causes tumor cell to become.And outside the coagulation necrosis district in 43 ℃-60 ℃ the thermotherapy district, tumor cell is killed, and normal cell still has the ability that autotherapy recovers.
Summary of the invention
The object of the present invention is to provide a kind of simple in structure, easy to operate, effectively localizing objects tissue, shorten operating time, improve operation efficient to organizing interior tumor to carry out scanning probe and carrying out the electrode assembly of radiofrequency ablation therapy.
The present invention is designed for the electrode of radiofrequency ablation therapy, be at existing a kind of improvement of similar electrode assembly, its improvements are at primary electrode device front end except having temperature sensing device, also be added with ultrasonic probe, and the structure of other parts is with the electrode of radio-frequency (RF) ablation is similar usually at present, comprise sleeve pipe, handle etc., and have and backstage radio-frequency (RF) ablation instrument and compatible interface plug of ultrasonic machine while.
This radio-frequency ablation electrode device has ultrasonic probe, in order to scanning in earlier stage in radio-frequency (RF) ablation and detection of a target tissue, and the synchronization implementation radio-frequency (RF) ablation.
It is simple in structure, easy to operate that the present invention designs, the accuracy height, and effectively the localizing objects tissue carries out radiofrequency ablation therapy in the very first time to destination organization, shortens operating time, improves therapeutic effect.
Description of drawings
Fig. 1 is a new device structure chart of the present invention.Number in the figure: 1 is ultrasonic probe, and 2 is shield dielectric layer, and 3 is temperature sensing device, and 4 is outside insulating barrier, and 5 for indicating scale, and 6 be sleeve pipe, and 7 be handle, and 8 is the plug that has with radio-frequency (RF) ablation instrument and compatible interface of ultrasonic machine while.
Be mounted with ultrasonic probe in Fig. 2 cannula cavity of the present invention.
The structural diagrams of the shield dielectric layer of Fig. 3 ultrasonic probe of the present invention outside.
Fig. 4 the present invention can be to have puncture property or not to have puncture.Wherein, (a) bluff nose electrode, (b) square position type electrode, (c) sharp-pointed type electrode.
The specific embodiment
According to shown in Figure 1, radio-frequency ablation electrode of the present invention is made up of sleeve pipe 6, handle 7, interface plug 8 and electrode tip, and electrode tip front end place is an insulating barrier 4, and sleeve pipe 6 is provided with scale 5, can understand the length that electrode inserts inside of human body during use.Place, electrode tip end is provided with temperature sensing device 3 (being temperature sensor), so that can survey the temperature (radio-frequency (RF) ablation) of in-vivo tissue when work.In addition, electrode tip is provided with ultrasonic probe 1, in order to shield the natural frequency between ultrasonic and the radio frequency, in that a shield dielectric layer 2 is set outside the ultrasonic probe and between the inside pipe casing, sees shown in Figure 3.
Among the present invention, the electrode leading section can have different shape, and what have has a puncture, as bluff nose electrode peace dish-type electrode (seeing Fig. 4 (a) and (b)).What have has a puncture, as sharp-pointed head dummy electrode (seeing Fig. 4 (c)).
In addition, the plug of radio-frequency ablation electrode connection main frame of the present invention has the interface of compatible radio-frequency (RF) ablation of while and ultrasonic scanning.
Claims (4)
1, a kind of radio-frequency ablation electrode that has ultrasonic probe is characterized in that having additional ultrasonic probe (1) at the front end of original radio-frequency ablation electrode, is provided with a shield dielectric layer (2) in order to shield the natural frequency between ultrasonic and the radio frequency outside the ultrasonic probe (1).
2, the radio-frequency ablation electrode that has ultrasonic probe according to claim 1 is characterized in that being provided with temperature sensor at the front end of electrode.
3, the radio-frequency ablation electrode that has ultrasonic probe according to claim 1 is characterized in that being provided with scale in the outside of sleeve of electrode.
4, the radio-frequency ablation electrode that has ultrasonic probe according to claim 1 is characterized in that electrode tip has puncture property or do not have puncture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100382142A CN101283925A (en) | 2008-05-29 | 2008-05-29 | Radio frequency ablation electrode with ultrasound probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100382142A CN101283925A (en) | 2008-05-29 | 2008-05-29 | Radio frequency ablation electrode with ultrasound probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101283925A true CN101283925A (en) | 2008-10-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100382142A Pending CN101283925A (en) | 2008-05-29 | 2008-05-29 | Radio frequency ablation electrode with ultrasound probe |
Country Status (1)
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| CN (1) | CN101283925A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102497822A (en) * | 2009-09-17 | 2012-06-13 | 皇家飞利浦电子股份有限公司 | Medical ultrasound device with temperature detection at distal end |
| CN102548496A (en) * | 2009-09-15 | 2012-07-04 | 皇家飞利浦电子股份有限公司 | Medical ultrasound device with force detection |
| CN102824214A (en) * | 2012-09-11 | 2012-12-19 | 邹英华 | Radio frequency conduit capable of fully closing blood vessel and radio frequency instrument thereof |
| CN106236246A (en) * | 2016-08-24 | 2016-12-21 | 王卫东 | Ablating device |
| CN107095718A (en) * | 2017-06-06 | 2017-08-29 | 日照天生物医疗科技有限公司 | Radio-frequency ablation electrode and RF ablation device |
| CN107106123A (en) * | 2014-12-30 | 2017-08-29 | 皇家飞利浦有限公司 | Patient-specific ultrasonic thermal strain is to temperature correction |
| CN108020739A (en) * | 2017-11-29 | 2018-05-11 | 中国南方电网有限责任公司超高压输电公司广州局 | A kind of method for reducing deep well grounding electrode maximum current density |
| CN110151305A (en) * | 2019-04-30 | 2019-08-23 | 昆山雷盛医疗科技有限公司 | Without scale hollow lumen radio frequency ablation probe |
| CN111407397A (en) * | 2020-03-24 | 2020-07-14 | 苏州朗开医疗技术有限公司 | Lung cancer treatment radio frequency ablation electrode catheter |
-
2008
- 2008-05-29 CN CNA2008100382142A patent/CN101283925A/en active Pending
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102548496A (en) * | 2009-09-15 | 2012-07-04 | 皇家飞利浦电子股份有限公司 | Medical ultrasound device with force detection |
| US9681923B2 (en) | 2009-09-15 | 2017-06-20 | Koninklijke Philips N.V. | Medical ultrasound device with force detection |
| CN102497822B (en) * | 2009-09-17 | 2015-02-11 | 皇家飞利浦电子股份有限公司 | Medical ultrasound device with temperature detection at distal end |
| CN102497822A (en) * | 2009-09-17 | 2012-06-13 | 皇家飞利浦电子股份有限公司 | Medical ultrasound device with temperature detection at distal end |
| US11497464B2 (en) | 2009-09-17 | 2022-11-15 | Koninklijke Philips N.V. | Medical ultrasound device with temperature detection at distal end |
| US10743836B2 (en) | 2009-09-17 | 2020-08-18 | Koninklijke Philips N.V. | Medical ultrasound device with temperature detection at distal end |
| CN102824214A (en) * | 2012-09-11 | 2012-12-19 | 邹英华 | Radio frequency conduit capable of fully closing blood vessel and radio frequency instrument thereof |
| CN107106123B (en) * | 2014-12-30 | 2020-08-18 | 皇家飞利浦有限公司 | Patient-specific ultrasound thermal strain to temperature calibration |
| CN107106123A (en) * | 2014-12-30 | 2017-08-29 | 皇家飞利浦有限公司 | Patient-specific ultrasonic thermal strain is to temperature correction |
| CN106236246A (en) * | 2016-08-24 | 2016-12-21 | 王卫东 | Ablating device |
| CN107095718A (en) * | 2017-06-06 | 2017-08-29 | 日照天生物医疗科技有限公司 | Radio-frequency ablation electrode and RF ablation device |
| CN108020739A (en) * | 2017-11-29 | 2018-05-11 | 中国南方电网有限责任公司超高压输电公司广州局 | A kind of method for reducing deep well grounding electrode maximum current density |
| CN110151305A (en) * | 2019-04-30 | 2019-08-23 | 昆山雷盛医疗科技有限公司 | Without scale hollow lumen radio frequency ablation probe |
| CN110151305B (en) * | 2019-04-30 | 2020-11-10 | 昆山雷盛医疗科技有限公司 | Non-scale cavity organ radio frequency ablation probe |
| CN111407397A (en) * | 2020-03-24 | 2020-07-14 | 苏州朗开医疗技术有限公司 | Lung cancer treatment radio frequency ablation electrode catheter |
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Open date: 20081015 |