CN204192738U - The radio-frequency ablation electrode of bronchial wall temperature can be monitored - Google Patents
The radio-frequency ablation electrode of bronchial wall temperature can be monitored Download PDFInfo
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- CN204192738U CN204192738U CN201420630913.7U CN201420630913U CN204192738U CN 204192738 U CN204192738 U CN 204192738U CN 201420630913 U CN201420630913 U CN 201420630913U CN 204192738 U CN204192738 U CN 204192738U
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- bronchial wall
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Abstract
This utility model provides a kind of radio-frequency ablation electrode can monitoring bronchial wall temperature, comprise outer tube and the RF electrode assemblies be provided at its inner portion and water filling assembly, RF electrode assemblies comprises electrode needle assembly, also comprise the temperature measuring equipment be arranged in outer tube, for monitoring the temperature of bronchial wall, the front end face of temperature measuring equipment and the front end face same level of outer tube are arranged.This utility model by arranging temperature measuring equipment on the front end of outer tube, therefore, piercing needle is when entering the target diseased tissue needing treatment, and temperature measuring equipment contacts with bronchial wall, thus its temperature is monitored, to avoid the too high damage caused bronchial wall of temperature; By flexible outer tube and memorial alloy sleeve pipe, bend when the outer tube front end with electrode needle assembly can be made to puncture in bronchoscope, cause damage to prevent the sharp-pointed external pipe of electrode syringe needle.
Description
Technical field
This utility model relates to a kind of ablating electrode, especially a kind of radio-frequency ablation electrode can monitoring bronchial wall temperature.
Background technology
At present, to when carrying out radiofrequency ablation therapy by radio-frequency ablation electrode to the illing tissue in pulmonary, after ablating electrode and piercing needle need to thrust bronchial wall, just reach and arrive at target diseased tissue and carry out with radiofrequency ablation therapy.Over the course for the treatment of, the power frequency height of radio-frequency ablation electrode is to (> 100kHz) during certain value, charged ion motion in target diseased tissue can be caused, namely the temperature more than 60 DEG C is produced, to make the necrocytosis of target diseased tissue, thus reach the object for the treatment of.
But, due to the very thin thickness of bronchial wall, the temperature more than 60 DEG C cannot be born over the course for the treatment of for a long time, and current radio-frequency ablation electrode does not assemble the parts can monitored the heating temperature of bronchial wall, therefore, easy over the course for the treatment of damage is caused to bronchial wall.
Summary of the invention
For the weak point existed in the problems referred to above, this utility model provides one can over the course for the treatment of, by monitoring the temperature of bronchial wall, to avoid the radio-frequency ablation electrode can monitoring bronchial wall temperature bronchial wall being caused to damage.
For achieving the above object, this utility model provides a kind of radio-frequency ablation electrode can monitoring bronchial wall temperature, comprise outer tube (16) and the RF electrode assemblies be provided at its inner portion and water filling assembly, described RF electrode assemblies comprises electrode needle assembly, also comprise the temperature measuring equipment (4) be arranged in described outer tube (16), for monitoring the temperature of bronchial wall, the front end face of described temperature measuring equipment (4) and the front end face same level of described outer tube (16) are arranged.
The above-mentioned radio-frequency ablation electrode can monitoring bronchial wall temperature, wherein, described temperature measuring equipment (4) is connected with temperature measuring cable joint (11) by cable for measuring temperature (5), and described temperature measuring equipment (4) forms temperature measurement component with described cable for measuring temperature (5) and described temperature measuring cable joint (11).
The above-mentioned radio-frequency ablation electrode can monitoring bronchial wall temperature, wherein, described outer tube (16) is metal hose or teflon hose, its tube wall is provided with memorial alloy sleeve pipe (14), and position when position and the described electrode needle assembly of described memorial alloy sleeve pipe (14) do not stretch out described outer tube (16) is corresponding.
The above-mentioned radio-frequency ablation electrode can monitoring bronchial wall temperature, wherein, described memorial alloy sleeve pipe (14) is arranged on the inner tubal wall of described outer tube (16), and described temperature measuring equipment (4) is folded between described outer tube (16) and described memorial alloy sleeve pipe (14).
The above-mentioned radio-frequency ablation electrode can monitoring bronchial wall temperature; wherein; described memorial alloy sleeve pipe (14) is nested with on the outer tube wall of described outer tube (16); be arranged with soft protective casing (15) in the outside of described memorial alloy sleeve pipe (14), the length of described soft protective casing (15) is identical with the length of described outer tube (16).
The above-mentioned radio-frequency ablation electrode can monitoring bronchial wall temperature, wherein, the end of described outer tube (16) also connects with handle (9), be provided with for controlling described radio frequency component and described water filling assembly by the propelling movement parts (10) stretched out time described outer tube (16) or reclaim at described handle (9), the wall of described handle (9) also offers the perforate (17) carrying out displacement for controlling described propelling movement parts (10), the top of described propelling movement parts (10) is through the inside of described perforate (17), and be arranged on the outside of described handle (9).
The above-mentioned radio-frequency ablation electrode can monitoring bronchial wall temperature, wherein, described radio frequency component is made up of the radio-frequency electrode joint (13) connected successively, electrode cable flexible pipe (7), electrode needle assembly, and described electrode needle assembly is made up of the ablating electrode be connected (3) and piercing needle (1).
The above-mentioned radio-frequency ablation electrode can monitoring bronchial wall temperature, wherein, described water filling assembly is made up of with at least one apopore (2) the water filling joint (12) be communicated with successively, waterflood path (8), described waterflood path (8) is the passage in described electrode cable flexible pipe (7), described water filling joint is the end of described electrode cable flexible pipe (7), and described apopore (2) is distributed on the tube wall of described electrode cable flexible pipe (7).
The above-mentioned radio-frequency ablation electrode can monitoring bronchial wall temperature, wherein, be provided with in described outer tube (16) first passage for assembling described electrode cable flexible pipe (7), with for assembling the second channel of described cable for measuring temperature (5), the inwall of described first passage is also coated with external insulation layer (6).
The above-mentioned radio-frequency ablation electrode can monitoring bronchial wall temperature, wherein, the front end face of described external insulation layer (6) and the front end face of described outer tube (16) are that same level is arranged, and end extends on the front end face of described propelling movement parts (10)
Compared with prior art, this utility model has the following advantages:
1, by arranging temperature measuring equipment on the front end of outer tube, therefore, piercing needle is when entering the target diseased tissue needing treatment, and temperature measuring equipment contacts with bronchial wall, thus its temperature is monitored, to avoid the too high damage caused bronchial wall of temperature; Because temperature measuring equipment can feed back the temperature value of bronchial wall, therefore, size is melted by carrying out adjusted value to temperature with indirect control target region;
2, by flexible outer tube and memorial alloy sleeve pipe, bend when the outer tube front end with electrode needle assembly can be made to puncture in bronchoscope, cause damage to prevent the sharp-pointed external pipe of electrode syringe needle; ;
3, by being set in the soft protective casing of outer tube and memorial alloy outside of sleeve, when outer tube and memorial alloy sleeve pipe can be avoided to move in bronchus, damage is caused to its tube wall.
Accompanying drawing explanation
Fig. 1 is the state diagram released by electrode of the first embodiment of the present utility model;
Fig. 2 is by the state diagram of electrode recovery in Fig. 1;
Fig. 3 is the state diagram released by electrode of the second embodiment of the present utility model;
Fig. 4 is by the state diagram of electrode recovery in Fig. 3.
Main Reference Numerals is described as follows:
1-piercing needle 2-apopore 3-ablating electrode
4-temperature measuring equipment 5-cable for measuring temperature 6-external insulation pipe
7-electrode cable flexible pipe 8-waterflood path 9-handle
10-pushes parts 11-temperature measuring cable joint 12-water filling joint
13-radio-frequency electrode joint 14-memorial alloy sleeve pipe
16-outer tube 17-perforate
Detailed description of the invention
As shown in Figures 1 and 2, this radio-frequency ablation electrode can monitoring bronchial wall temperature comprises handle 9, outer tube 16 and the RF electrode assemblies be provided at its inner portion, water filling assembly and temperature measurement component.
The inside of handle 9 is hollow type structure, all offers perforate in its front and rear end, handle 9 be provided with for control radio frequency component and water filling assembly by outer tube 16 in the propelling movement parts 10 that stretch out or reclaim.The top tube wall of handle 9 offers and carries out the perforate 17 of displacement for controlling to push parts 10, the top pushing parts 10 through perforate 17 inside and be arranged on the outside of handle 9.
The rear end of outer tube 16 and the front end face of handle 9 connect.Outer tube 16 is flexible metal hose or teflon hose, and the inner tubal wall of outer tube 16 is provided with memorial alloy sleeve pipe 14.The length of memorial alloy sleeve pipe 14 is less than the length of outer tube 16, and the front end face same level of its front end face and outer tube is arranged.
Radio frequency component is made up of with piercing needle 1 the radio-frequency electrode joint 13 connected successively, electrode cable flexible pipe 7, ablating electrode 3, by piercing needle 1 to penetrate bronchial wall, thus thrusts target diseased tissue.Electrode cable flexible pipe 7 with the outside wall surface of ablating electrode 3 are also arranged with external insulation layer 6.
The end of electrode cable flexible pipe 7 extend in handle and through push parts inside, to extend outside it.Wherein, be set in external insulation pipe in electrode cable flexible pipe outside wall surface to be retractable to push parts front end face on.
One end of radio-frequency electrode joint 13 extends to its inside by the end pushing parts, and is connected with the outer wall of electrode cable flexible pipe.
In addition, in the present embodiment, stainless steel flexible hose selected by electrode cable flexible pipe.
Electrode cable flexible pipe 7 to be arranged in outer tube 16 for assembling in its first passage (not describing in figure), and the inwall of first passage is also coated with external insulation layer 6.Wherein, the front end face of external insulation layer 6 and the front end face of outer tube 16 are that same level is arranged, and end extends on the front end face of propelling movement parts 10.
Temperature measurement component is connected with temperature measuring equipment 4 by the temperature measuring cable joint 11 connected successively, cable for measuring temperature 5.This temperature measuring equipment 4 can select thermistor temperature detecting or thermocouple temperature measurement, and is arranged on the inner tubal wall of outer tube 16, and is folded between the inner tubal wall of outer tube 16 and the outside wall surface of memorial alloy sleeve pipe 14.Because the front end face of temperature measuring equipment 4 and the front end face same level of outer tube 16 are arranged, therefore, when the end face of outer tube contacts with bronchus wall, temperature element also can contact with bronchus wall simultaneously, thus the temperature that bronchus wall contacts is monitored, and the Temperature numerical that feedback monitoring arrives.
The end of temperature measuring cable joint 11 carry out extending in handle and through push parts inside, to extend outside it.
Cable for measuring temperature 5 is arranged in outer tube 16 for assembling (in figure, end describes) in the second channel of cable for measuring temperature 5.
Water filling assembly is made up of with at least one apopore 2 the water filling joint 12 be communicated with successively, waterflood path 8, and waterflood path 8 is the passage in electrode cable flexible pipe 7, and water filling joint is the end of electrode cable flexible pipe 7.In the present embodiment, the quantity of apopore is two, two apopores 2 be distributed in electrode cable flexible pipe 7 tube wall and on the position of piercing needle.Owing to being arranged with external insulation pipe in the outside wall surface of ablating electrode, therefore, insulation tube also offers the through hole corresponding with apopore position and size outside, the liquid in waterflood path is injected into around target diseased tissue through apopore.
Rear end face due to handle 9 is opening shape structure, and temperature measuring cable joint, note hose coupling are corresponding with the aperture position of handle 9 rear end face with radio-frequency electrode joint, therefore, the interface of external equipment can be entered by the rear end face of handle, and is connected with radio-frequency electrode joint with temperature measuring cable joint, note hose coupling.
Piercing needle is being recycled to after in outer tube, and its position is identical with the position of memorial alloy sleeve pipe, therefore, the front end of outer tube is after entering bronchus inside, under the effect of memorial alloy sleeve pipe in its characteristic, can bend, so that outer tube is inner mobile smoothly at bronchoscope.
Shown in Fig. 3 and Fig. 4, the region of the present embodiment and the first embodiment is, memorial alloy sleeve pipe 14 is set on the outer tube wall of outer tube 16, and the length of memorial alloy sleeve pipe 14 is less than the length of outer tube 16, and the front end face same level of its front end face and outer tube is arranged.The outer tube wall of memorial alloy sleeve pipe 14 is also arranged with soft protective casing 15.Wherein, soft protective casing 15 is nontoxic silica gel sleeve pipe, and its length is identical with the length of outer tube.
Because outer tube and memorial alloy sleeve pipe are all that metal material is made, therefore, when outer tube and memorial alloy sleeve pipe can be avoided to move in bronchus by soft protective casing, damage is caused to its tube wall.
The foregoing is only preferred embodiment of the present utility model, is only illustrative for invention, and nonrestrictive.Those skilled in the art is understood, and can carry out many changes in the spirit and scope that invention claim limits to it, amendment, even equivalence, but all will fall in protection domain of the present utility model.
Claims (10)
1. can monitor the radio-frequency ablation electrode of bronchial wall temperature for one kind, comprise outer tube (16) and the RF electrode assemblies be provided at its inner portion and water filling assembly, described RF electrode assemblies comprises electrode needle assembly, it is characterized in that, also comprise the temperature measuring equipment (4) be arranged in described outer tube (16), for monitoring the temperature of bronchial wall, the front end face of described temperature measuring equipment (4) and the front end face same level of described outer tube (16) are arranged.
2. the radio-frequency ablation electrode can monitoring bronchial wall temperature according to claim 1, it is characterized in that, described temperature measuring equipment (4) is connected with temperature measuring cable joint (11) by cable for measuring temperature (5), and described temperature measuring equipment (4) forms temperature measurement component with described cable for measuring temperature (5) and described temperature measuring cable joint (11).
3. the radio-frequency ablation electrode can monitoring bronchial wall temperature according to claim 2, it is characterized in that, described outer tube (16) is metal hose or teflon hose, its tube wall is provided with memorial alloy sleeve pipe (14), and position when position and the described electrode needle assembly of described memorial alloy sleeve pipe (14) do not stretch out described outer tube (16) is corresponding.
4. the radio-frequency ablation electrode can monitoring bronchial wall temperature according to claim 3, it is characterized in that, described memorial alloy sleeve pipe (14) is arranged on the inner tubal wall face of described outer tube (16), and described temperature measuring equipment (4) is folded between described outer tube (16) and described memorial alloy sleeve pipe (14).
5. the radio-frequency ablation electrode can monitoring bronchial wall temperature according to claim 3; it is characterized in that; described memorial alloy sleeve pipe (14) is nested with on the outer tube wall of described outer tube (16); be arranged with soft protective casing (15) in the outside of described memorial alloy sleeve pipe (14), the length of described soft protective casing (15) is identical with the length of described outer tube (16).
6. the radio-frequency ablation electrode can monitoring bronchial wall temperature according to claim 4 or 5, it is characterized in that, the end of described outer tube (16) also connects with handle (9), be provided with for controlling described radio frequency component and described water filling assembly by the propelling movement parts (10) stretched out time described outer tube (16) or reclaim at described handle (9), the wall of described handle (9) also offers the perforate (17) carrying out displacement for controlling described propelling movement parts (10), the top of described propelling movement parts (10) is through the inside of described perforate (17), and be arranged on the outside of described handle (9).
7. the radio-frequency ablation electrode can monitoring bronchial wall temperature according to claim 6, it is characterized in that, described radio frequency component is made up of the radio-frequency electrode joint (13) connected successively, electrode cable flexible pipe (7), electrode needle assembly, and described electrode needle assembly is made up of the ablating electrode be connected (3) and piercing needle (1).
8. the radio-frequency ablation electrode can monitoring bronchial wall temperature according to claim 7, it is characterized in that, described water filling assembly is made up of with at least one apopore (2) the water filling joint (12) be communicated with successively, waterflood path (8), described waterflood path (8) is the passage in described electrode cable flexible pipe (7), described water filling joint is the end of described electrode cable flexible pipe (7), and described apopore (2) is distributed on the tube wall of described electrode cable flexible pipe (7).
9. the radio-frequency ablation electrode can monitoring bronchial wall temperature according to claim 8, it is characterized in that, be provided with in described outer tube (16) first passage for assembling described electrode cable flexible pipe (7), with for assembling the second channel of described cable for measuring temperature (5), the inwall of described first passage is also coated with external insulation layer (6).
10. the radio-frequency ablation electrode can monitoring bronchial wall temperature according to claim 9, it is characterized in that, the front end face of described external insulation layer (6) and the front end face of described outer tube (16) are that same level is arranged, and end extends on the front end face of described propelling movement parts (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420630913.7U CN204192738U (en) | 2014-10-29 | 2014-10-29 | The radio-frequency ablation electrode of bronchial wall temperature can be monitored |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420630913.7U CN204192738U (en) | 2014-10-29 | 2014-10-29 | The radio-frequency ablation electrode of bronchial wall temperature can be monitored |
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| Publication Number | Publication Date |
|---|---|
| CN204192738U true CN204192738U (en) | 2015-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420630913.7U Active CN204192738U (en) | 2014-10-29 | 2014-10-29 | The radio-frequency ablation electrode of bronchial wall temperature can be monitored |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104783896A (en) * | 2015-04-30 | 2015-07-22 | 常承忠 | Radiofrequency ablation electrode capable of adjusting direction of electrode tip |
| CN104873265A (en) * | 2015-06-02 | 2015-09-02 | 北京迈迪顶峰医疗科技有限公司 | Freezing ablation system |
| CN113304045A (en) * | 2021-05-26 | 2021-08-27 | 青岛大学附属医院 | Internal heating needle with protective sleeve and capable of measuring and controlling temperature in real time |
-
2014
- 2014-10-29 CN CN201420630913.7U patent/CN204192738U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104783896A (en) * | 2015-04-30 | 2015-07-22 | 常承忠 | Radiofrequency ablation electrode capable of adjusting direction of electrode tip |
| CN104873265A (en) * | 2015-06-02 | 2015-09-02 | 北京迈迪顶峰医疗科技有限公司 | Freezing ablation system |
| CN113304045A (en) * | 2021-05-26 | 2021-08-27 | 青岛大学附属医院 | Internal heating needle with protective sleeve and capable of measuring and controlling temperature in real time |
| CN113304045B (en) * | 2021-05-26 | 2023-01-20 | 青岛大学附属医院 | Internal heating needle with protective sleeve and capable of measuring and controlling temperature in real time |
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