CN103610497A - Ablation and volume reduction system for tumor tissues - Google Patents
Ablation and volume reduction system for tumor tissues Download PDFInfo
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- CN103610497A CN103610497A CN201310633551.7A CN201310633551A CN103610497A CN 103610497 A CN103610497 A CN 103610497A CN 201310633551 A CN201310633551 A CN 201310633551A CN 103610497 A CN103610497 A CN 103610497A
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- puncture needle
- tumor tissues
- electrode
- needle tubing
- mesh electrode
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Abstract
The invention relates to tumor therapy instruments, in particular to an ablation and volume reduction system for tumor tissues. The ablation and volume reduction system comprises a handle, a puncture needle tube, a puncture needle head and an ablation assembly. The ablation assembly comprises an electrode stem and a mesh electrode and is arranged in the puncture needle tube, wherein the electrode stem is connected with the mesh electrode. The mesh electrode is connected with the puncture needle head. The electrode rod is further connected with a pushing component. The pushing component is connected with a motor through a motor connector. The mesh electrode is driven by the motor to rotate to smash the tumor tissues. A negative pressure air exhaust hole is formed in the handle and communicated with the puncture needle tube. The smashed tumor tissues are taken out through the negative pressure air exhaust hole under the action of a negative pressure suction pump. The ablation and volume reduction system has the ablation function. In addition, after the mesh electrode punctures the interior of the tumor tissues, the motor drives the mesh electrode to rotate inside the tumor tissues, so that the ablated tumor tissues are smashed, and the smashed tumor tissues are taken out through the negative pressure air exhaust hole under the action of the negative pressure suction pump.
Description
Technical field
The present invention relates to oncotherapy apparatus, especially a kind of tumor tissues melts and subtracts appearance system.
Background technology
At present, in Wicresoft's tumor operation process, generally, through external puncture, ablating electrode is punctured to tumor center, and carry out killing tumor cells by radio frequency or microwave, especially at diameter, surpass after the treatment of large tumor of 3 centimeters, the tumor cell after deactivation is stayed in patient's body and can only be absorbed by human body natural, and patient's gross tumor volume still can be oppressed other organ in body, the normal operation of other organ is affected, thereby affects patient's rehabilitation.
Summary of the invention
For the weak point existing in the problems referred to above, the invention provides a kind of tumor tissues after melting can being smashed, and the tumor tissues of the tumor tissues taking-up after smashing is melted and subtracts appearance system.
For achieving the above object, the invention provides a kind of tumor tissues melts and subtracts appearance system, comprise handle, puncture needle tubing, piercing needle and ablation member, described ablation member comprises electrode stem and the mesh electrode being connected, and is arranged in described puncture needle tubing, and described mesh electrode is connected with described piercing needle, described electrode stem is also connected with push mechanism, described push mechanism is connected with motor by electric machine joint, and described mesh electrode is rotated under the drive of motor, and tumor tissues is smashed; On described handle, be provided with negative pressure ventilation hole, described negative pressure ventilation hole is communicated with described puncture needle tubing, and the tumor tissues after smashing, under the effect of vacuum suction pump, is removed through described negative pressure ventilation hole.
Above-mentioned tumor tissues melts and subtracts appearance system, and wherein, each the wire electrode surface in described mesh electrode, through coarse processing, makes its surface for coarse shape structure, to improve the effect of smashing to tumor tissues.Wherein, mesh electrode material can be selected memorial alloy, is convenient to melt rear its cooling is shunk by its memory function, facilitates apparatus to take out external.
Above-mentioned tumor tissues melts and subtracts appearance system, wherein, described negative pressure ventilation hole is extended to form bleed-off passage in the cavity of described puncture needle tubing inside by the outside wall surface of described handle, in described bleed-off passage, be also provided with valve, open described valve, described bleed-off passage is connected with described cavity.
Above-mentioned tumor tissues melts and subtracts appearance system, wherein, described melting also comprises radio-frequency cable joint and electrode switching device shifter in part, the top of described radio-frequency cable joint is connected with described radio-frequency signal generator, its bottom is connected with described electrode switching device shifter, is provided with the first contact and the second contact for being connected with described puncture needle tubing for being connected with described electrode stem in described electrode switching device shifter; On described electrode switching device shifter, spring is installed, to realize the switching of described the first contact and described the second contact, the top of described spring contacts with the bottom of the second contact, and its bottom contacts with the inwall of handle.
Above-mentioned tumor tissues melts and subtracts appearance system, wherein, presses described electrode switching device shifter downwards, described the first contact is moved down with described electrode stem and contact, thereby radio-frequency electrode is conducted on electrode stem and mesh electrode successively, and tumor tissues is melted; When the EDGE CONTACT of described the second contact and described puncture needle tubing, radio-frequency current is conducted on the outer wall of puncture needle tubing, and now, puncture needle tubing becomes radio-frequency electrode, and its wall produces heat, for tissue carries out blood coagulation.
Above-mentioned tumor tissues melts and subtracts appearance system, wherein, on the outer wall of described puncture needle tubing, be provided with penetration length positioning gutta pad, described penetration length positioning gutta pad is set in the outside wall surface of puncture needle tubing ringwise, described penetration length positioning gutta pad can be at the outer wall of described puncture needle tubing enterprising line displacement.
Above-mentioned tumor tissues melts and subtracts appearance system; wherein; rear side at described penetration length positioning gutta pad is also provided with anti-scald protective sleeve; it between the outer wall of its inwall and described puncture needle tubing, is hollow type structure; described anti-scald protective sleeve is telescopic structure; it is set in the outside wall surface of described puncture needle tubing, and the front end face of described anti-scald protective sleeve contacts with the rear end face of described penetration length positioning gutta pad.
Above-mentioned tumor tissues melts and subtracts appearance system; wherein; on described anti-scald protective sleeve, be provided with a plurality of cold media input port, a plurality of described cold media input port is coaxially distributed on the outer wall of anti-scald protective sleeve, and cold water or cold air are inputted in anti-scald protective sleeve by cold medium input port.
Above-mentioned tumor tissues melts and subtracts appearance system, wherein, in described handle, be also provided with waterproof pad, described waterproof pad is arranged on the front end of described push mechanism, its end is the distance that described push mechanism promotes forward to the distance between the front end face of described push mechanism, and the front end face of described waterproof pad is near the end of described puncture needle tubing, the front end that its terminal surface is arranged on the first contact.
Above-mentioned tumor tissues melts and subtracts appearance system, wherein, on the inwall of described puncture needle tubing, be also coated with insulating barrier, the front end face of its front end face and described puncture needle tubing is in same plane, thereafter end face is connected with the front end face of described waterproof pad, described insulating barrier is used for stoping described mesh electrode to contact with described puncture needle tubing, to avoid mesh electrode to contact with it when carrying out displacement, causes puncture needle pipe racks electricity.
Compared with prior art, the present invention has the following advantages:
The present invention not only has ablation functionality, in addition, at mesh electrode, penetrate behind the inside of tumor tissues, because mesh electrode is connected with electric machine joint, therefore, driven by motor mesh electrode is rotated in the inside of tumor tissues, thereby the tumor tissues after melting is smashed, and the tumor tissues after smashing is removed by negative pressure ventilation hole under the effect of vacuum suction;
By each the wire electrode surface in mesh electrode, carry out coarse processing, therefore, be more conducive to the tumor tissues after melting to smash;
Because puncture volume of the present invention is little, therefore, in operation process, give the ill misery causing little, and can the tissue beyond affected part not damaged, be beneficial to postoperative fast quick-recovery;
The present invention not only, applicable to the less tumor of diameter is treated, is also applicable to diameter to treat in more than 5 centimeters tumors.
Accompanying drawing explanation
Fig. 1 is cutaway view of the present invention;
Fig. 2 is the cutaway view that in Fig. 1, mesh electrode launches gradually;
Fig. 3 is the cutaway view of mesh electrode in launching completely in Fig. 2;
Fig. 4 is the cutaway view of mesh electrode in contraction state in Fig. 3.
Main element symbol description is as follows:
1-electric machine joint 2-push mechanism 3-handle
4-radio-frequency cable joint 5-electrode switching device shifter 6-spring
7-waterproof pad 8-water injection hole 9-valve
10-negative pressure ventilation hole 11-anti-scald protective sleeve 12-penetration length positioning gutta pad
The cold medium of 13-input port 14-puncture needle tubing 15-insulating barrier
16-electrode stem 17-cavity 18-mesh electrode
19-piercing needle 20-first contact 21-the second contact
The specific embodiment
As shown in Figure 1, tumor tissues provided by the invention melts and subtracts appearance system and mainly comprise handle 3, puncture needle tubing 14, piercing needle 19, melt part, negative pressure ventilation hole 10 and water injection hole 8.The end of puncture needle tubing 14 embeds in handle 3, and the distal end faces of piercing needle 19 contacts with the front end end face of puncture needle tubing.The front end face of puncture needle tubing is unenclosed construction, is provided with through hole on rear end face, and this through hole and its front end face concentric arrange.Due to puncture needle tubing inside be hollow type structure, therefore, the inner cavity 17 that forms of puncture needle tubing, when mesh electrode is advanced inside tumor and melts, cavity can be used to carry out water filling, when the temperature that reduces puncture needle tubing prevents skin scald, increase the area that melts of electrode, and after treatment, when the tumor tissues after melting is smashed by rotation mesh electrode, by water filling, form mixes liquid simultaneously and the tumor tissues after smashing taken out as attraction channel by this cavity, by injecting cold water, mesh electrode is lowered the temperature after hours, so that the recovery of mesh electrode.
On the inwall of puncture needle tubing, be also coated with insulating barrier 15, the front end face of the front end face of this insulating barrier and puncture needle tubing is in same plane, thereafter end face is connected with the front end face of waterproof pad 7, for preventing that mesh electrode from making it charged when expansion process contacts with the inwall of puncture outer tube, avoids treatment to impact.
On the outer wall of puncture needle tubing, be provided with penetration length positioning gutta pad 12, this penetration length positioning gutta pad is set in the outside wall surface of puncture needle tubing ringwise, and penetration length positioning gutta pad can be at the enterprising line displacement of outer wall of puncture needle tubing.When the length of puncture needle tubing penetrates skin histology and completes behind location, can be close on skin by needle tubing that penetration length positioning gutta pad is made to puncture, thereby guarantee the stability of this device.In addition; rear side at penetration length positioning gutta pad is also provided with anti-scald protective sleeve 11; and be set in the outside wall surface of puncture needle tubing, the front end face of anti-scald protective sleeve contacts with the rear end face of penetration length positioning gutta pad, and end face contacts with the outside wall surface of water injection hole in handle thereafter.This anti-scald protective sleeve is telescopic structure, so that adapt to different paracentesis depths.Between the outer wall of the inwall of anti-scald protective sleeve and puncture needle tubing, it is hollow type structure; on anti-scald protective sleeve, be provided with a plurality of cold media input port 13; a plurality of cold media input port is coaxially distributed on the outer wall of anti-scald protective sleeve, cold water or cold air can be inputted in anti-scald protective sleeve by cold medium input port.
Negative pressure ventilation hole 10 is all arranged on the outer wall of handle with water injection hole 8, water injection hole is extended to form waterflood path in the cavity of puncture needle tubing inside by the outer wall of handle, this waterflood path is connected with the cavity of puncture needle tubing inside, in waterflood path, be also provided with valve 9, the open and close by valve with control water injection hole.Open valve 9, can inject water the cavity of puncture needle tubing inside.Negative pressure ventilation hole is extended to form bleed-off passage in the cavity of puncture needle tubing inside by the outer wall of handle, this bleed-off passage is connected with the cavity of puncture needle tubing inside, in bleed-off passage, be also provided with valve 9, the open and close by valve with control negative pressure ventilation hole.Negative pressure ventilation hole, with after outside vacuum suction pump is connected, can be extracted out the tumor tissues of smashing by vacuum suction pump by the inside of the needle tubing that punctures.
Melt part and comprise electrode stem 16 and mesh electrode 18.The inside that is arranged on puncture needle tubing of electrode stem, its front end is connected with the end of mesh electrode, and the front end of mesh electrode is connected with the end of piercing needle 19.Because the end of electrode stem is connected with the front end of push mechanism 2, therefore, when promoting push mechanism forward, so that electrode stem and mesh electrode are stretched out by the needle tubing inside of puncturing, now, the end of piercing needle under the drive of mesh electrode with puncture needle tubing front end in separated state; When pulling back push mechanism, so that electrode stem and mesh electrode bounce back to the inside of puncture needle tubing, until the end of piercing needle contacts with the front end of puncture needle tubing.In addition, owing to being provided with graduation mark on the outer wall of push mechanism, therefore, can determine that piercing needle inserts the maximum gauge that length in body and mesh electrode launch in human body according to graduation mark.Owing to being also provided with angle sign on the outer wall of push mechanism, by angle, indicate and can set the anglec of rotation of mesh electrode, so that mesh electrode fully melts the tissue of different angles.In the leading section of push mechanism and the longitudinal cross-section of rearward end, its top sides is along be greater than the height of push mechanism mid portion longitudinal cross-section to the height on bottom sides edge.Because the end of push mechanism is also connected with electric machine joint 1, therefore, after mesh electrode completes the ablation of tumor tissues, by driven by motor electric machine joint, to drive push mechanism, electrode stem, mesh electrode to be rotated with the angle sign that piercing needle basis sets, be convenient to smash and extract out after melting tumor tissues is seamless.
In melting part, also comprise radio-frequency cable joint 4 and electrode switching device shifter 5, the top of radio-frequency cable joint is connected with outside radio-frequency signal generator, and its bottom is connected with electrode switching device shifter.In electrode switching device shifter, be provided with the first contact 20 and the second contact 21 for being connected with puncture needle tubing for being connected with electrode stem.Electrode switching device shifter is when reset mode, and its second contact is connected with the edge of puncture needle tubing.Now, radio-frequency electrode joint is connected with radio-frequency signal generator, radio-frequency current is conducted on the outer wall of puncture needle tubing, puncture needle tubing becomes radio-frequency electrode, can be in ablation procedure, for tissue carries out blood coagulation, therefore, when puncture, puncture needle tubing, after being connected with the second contact, can be used as the electrode that blood coagulation is used.When needs are given electrode stem and mesh electrode conduction radio-frequency electrode, by manually pressing radio-frequency cable joint downwards, make under electrode switching device shifter to carrying out displacement, finally make the first contact in electrode switching device shifter contact with the outer wall of electrode stem, thereby radio-frequency electrode is conducted on electrode stem and mesh electrode successively.And now, with the mesh electrode of radio frequency heat, can melt tumor tissues.
For the ease of distinguishing, it is the first contact condition that the first contact in definition electrode switching device shifter contacts with the outer wall of electrode stem, and to touch with the side edge of the needle tubing that punctures be the second contact condition the second contact in electrode switching device shifter.In order to make electrode switching device shifter switch to fast the second contact condition by the first contact condition, therefore, spring 6 is installed on electrode switching device shifter, to realize the quick switching of two kinds of contact conditions, the top of spring contacts with the bottom of the second contact, and its bottom contacts with the inwall of handle.
Mesh electrode used in the present invention is made by memorial alloy, and when temperature reaches more than 35 ℃, mesh electrode is deployed condition, when temperature is below 35 ℃ time, is contraction state.While melting, can freely control the penetration depth of mesh electrode in puncture needle tubing, thereby control the size of its expansion shape.This mesh electrode is except the effect of ablated tumor, and under driven by motor, tumor tissues internal rotating that can be after melting, to be smashed.Each wire electrode surface in mesh electrode is being carried out after coarse processing, so that its surface is coarse shape, be more conducive to the tumor tissues after melting to smash, the tumor tissues of smashing can be extracted out external by vacuum suction pump by aspirating hole.After operation completes, because mesh electrode is now not easy to take out in deployed condition, can to inside tumor, inject cold water by water injection hole, mesh electrode is lowered the temperature, by its memory function, make it be shrunk to long strip type, be convenient to be recycled to puncture needle tubing inner.
In addition, mesh electrode, after completing ablation, in it is heated gradually expansion process, drives its rotation by external motor, thereby the tumor tissues after melting is smashed.
In addition, the wire electrode in mesh electrode can also adopt other tinsels that can conduct radio-frequency current to make, and tinsel is carried out to coarse processing.
In handle, be also provided with waterproof pad 7, this waterproof pad is arranged on the front end of push mechanism, and the end of waterproof pad 7 to the distance between the leading section of push mechanism is the distance that push mechanism promotes forward.The front end face of waterproof pad is arranged near on puncture needle tubing terminal position, and end face is arranged on the front end of the first contact thereafter, in use, waterproof pad can anti-sealing or smash after tumor tissues from gap, enter.
As shown in Figure 2, under the effect of push mechanism, when mesh electrode extend out to the outer part of puncture needle tubing by the needle tubing inside of puncturing, because temperature in body reaches more than 35 ℃, therefore, mesh electrode launches because of memory function, and still, due to the obstruction of puncture needle tubing, electrode can not launch completely, in half deployed condition, due to this reason, can freely control the penetration depth of mesh electrode in puncture needle tubing, thereby control its development size.
As shown in Figure 3, after mesh electrode is passed completely by the inside of the needle tubing that punctures, mesh electrode launches spherical in shape completely at more than 35 ℃ temperature.Now the tumor tissues volume of excision is maximum.
As shown in Figure 4, when mesh electrode completes and smashes after operation tumor tissues, in the time of need to be recycled to the inside of puncture needle tubing, by water injection hole, to puncture needle tubing middle part, inject cold water, when cold water contacts with mesh electrode, mesh electrode Yin Wendu reduction is shrunk to long strip type by its memory function, now, can easily mesh electrode be recycled in puncture needle tubing.
Only as described above, be only preferred embodiment of the present invention, such as professional who are familiar with this art.After understanding technological means of the present invention, natural energy, according to actual needs, is changed under instruction of the present invention.Therefore all equal variation and modifications of doing according to the present patent application the scope of the claims, once should still remain within the scope of the patent.
Claims (10)
1. a tumor tissues melts and subtracts appearance system, comprise handle, puncture needle tubing, piercing needle and ablation member, described ablation member comprises electrode stem and the mesh electrode being connected, and be arranged in described puncture needle tubing, described mesh electrode is connected with described piercing needle, and described electrode stem is also connected with push mechanism, it is characterized in that, described push mechanism is connected with motor by electric machine joint, and described mesh electrode is rotated under the drive of motor, and tumor tissues is smashed; On described handle, be provided with negative pressure ventilation hole, described negative pressure ventilation hole is communicated with described puncture needle tubing, and the tumor tissues after smashing, under the effect of vacuum suction pump, is removed through described negative pressure ventilation hole.
2. tumor tissues according to claim 1 melts and subtracts appearance system, it is characterized in that, each the wire electrode surface in described mesh electrode, through coarse processing, makes its surface for coarse shape structure, to improve the effect of smashing to tumor tissues.
3. tumor tissues according to claim 2 melts and subtracts appearance system, it is characterized in that, described negative pressure ventilation hole is extended to form bleed-off passage in the cavity of described puncture needle tubing inside by the outside wall surface of described handle, in described bleed-off passage, be also provided with valve, open described valve, described bleed-off passage is connected with described cavity.
4. tumor tissues according to claim 3 melts and subtracts appearance system, it is characterized in that, described melting also comprises radio-frequency cable joint and electrode switching device shifter in part, the top of described radio-frequency cable joint is connected with described radio-frequency signal generator, its bottom is connected with described electrode switching device shifter, is provided with the first contact and the second contact for being connected with described puncture needle tubing for being connected with described electrode stem in described electrode switching device shifter; On described electrode switching device shifter, spring is installed, to realize the switching of described the first contact and described the second contact, the top of described spring contacts with the bottom of the second contact, and its bottom contacts with the inwall of handle.
5. tumor tissues according to claim 4 melts and subtracts appearance system, it is characterized in that, press described electrode switching device shifter downwards, described the first contact is moved down with described electrode stem to be contacted, thereby radio-frequency electrode is conducted on electrode stem and mesh electrode successively, tumor tissues is melted; When the EDGE CONTACT of described the second contact and described puncture needle tubing, radio-frequency current is conducted on the outer wall of puncture needle tubing, and now, puncture needle tubing becomes radio-frequency electrode, is used for carrying out blood coagulation for tissue.
6. tumor tissues according to claim 5 melts and subtracts appearance system, it is characterized in that, on the outer wall of described puncture needle tubing, be provided with penetration length positioning gutta pad, described penetration length positioning gutta pad is set in the outside wall surface of puncture needle tubing ringwise, described penetration length positioning gutta pad can be at the outer wall of described puncture needle tubing enterprising line displacement.
7. tumor tissues according to claim 6 melts and subtracts appearance system; it is characterized in that; rear side at described penetration length positioning gutta pad is also provided with anti-scald protective sleeve; it between the outer wall of its inwall and described puncture needle tubing, is hollow type structure; described anti-scald protective sleeve is telescopic structure; it is set in the outside wall surface of described puncture needle tubing, and the front end face of described anti-scald protective sleeve contacts with the rear end face of described penetration length positioning gutta pad.
8. tumor tissues according to claim 7 melts and subtracts appearance system; it is characterized in that; on described anti-scald protective sleeve, be provided with a plurality of cold media input port; a plurality of described cold media input port is coaxially distributed on the outer wall of anti-scald protective sleeve, and cold water or cold air are inputted in anti-scald protective sleeve by cold medium input port.
9. tumor tissues according to claim 8 melts and subtracts appearance system, it is characterized in that, in described handle, be also provided with waterproof pad, described waterproof pad is arranged on the front end of described push mechanism, its end is the distance that described push mechanism promotes forward to the distance between the front end face of described push mechanism, and the front end face of described waterproof pad is near the end of described puncture needle tubing, the front end that its terminal surface is arranged on the first contact.
10. tumor tissues according to claim 9 melts and subtracts appearance system, it is characterized in that, on the inwall of described puncture needle tubing, be also coated with insulating barrier, the front end face of its front end face and described puncture needle tubing is in same plane, thereafter end face is connected with the front end face of described waterproof pad, described insulating barrier is used for stoping described mesh electrode to contact with described puncture needle tubing, to avoid mesh electrode to contact with it when carrying out displacement, causes puncture needle pipe racks electricity.
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| CN201310633551.7A CN103610497B (en) | 2013-12-03 | 2013-12-03 | Tumor tissues melts and subtracts appearance system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106388931A (en) * | 2016-06-20 | 2017-02-15 | 襄城县创世纪科技咨询有限公司 | Tumor tissue ablation and volume reduction device of novel improved structure |
| CN109793570A (en) * | 2019-04-02 | 2019-05-24 | 江苏省肿瘤医院 | A kind of entity tumor based on ablation cuts therapeutic device out to pieces |
| CN110313985A (en) * | 2018-03-30 | 2019-10-11 | 首都医科大学附属北京世纪坛医院 | Couple is solidifying to close device |
| CN113509220A (en) * | 2021-07-01 | 2021-10-19 | 吉林大学 | Negative pressure type tumor extraction device for neurosurgery |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110313985A (en) * | 2018-03-30 | 2019-10-11 | 首都医科大学附属北京世纪坛医院 | Couple is solidifying to close device |
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| CN113509220A (en) * | 2021-07-01 | 2021-10-19 | 吉林大学 | Negative pressure type tumor extraction device for neurosurgery |
| CN113509220B (en) * | 2021-07-01 | 2022-05-27 | 吉林大学 | Negative pressure type tumor extraction device for neurosurgery |
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| CN103610497B (en) | 2015-11-25 |
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