CN203970543U - The water cooling microwave ablation aciculiform antenna with alinjection structure - Google Patents
The water cooling microwave ablation aciculiform antenna with alinjection structure Download PDFInfo
- Publication number
- CN203970543U CN203970543U CN201420174477.7U CN201420174477U CN203970543U CN 203970543 U CN203970543 U CN 203970543U CN 201420174477 U CN201420174477 U CN 201420174477U CN 203970543 U CN203970543 U CN 203970543U
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- Prior art keywords
- shank
- irradiator
- radio frequency
- microwave
- coaxial connector
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 33
- 238000002679 ablation Methods 0.000 title claims abstract description 32
- 238000001816 cooling Methods 0.000 title claims abstract description 19
- 238000002347 injection Methods 0.000 claims abstract description 15
- 239000007924 injection Substances 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 8
- 230000008569 process Effects 0.000 claims abstract description 6
- 230000005855 radiation Effects 0.000 claims description 7
- 206010028980 Neoplasm Diseases 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 6
- 238000003763 carbonization Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 235000021110 pickles Nutrition 0.000 abstract description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 9
- 239000000155 melt Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000001225 therapeutic effect Effects 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000010963 304 stainless steel Substances 0.000 description 1
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000009849 deactivation Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
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Abstract
The utility model discloses a kind of water cooling microwave ablation aciculiform antenna with alinjection structure, belong to a kind of medical apparatus and instruments for tumour ablation treating, described aciculiform antenna comprises irradiator, aciculiform radiator cover is installed on irradiator, irradiator is arranged on the front end of shank, and the rear end of shank is also provided with radio frequency (RF) coaxial connector, the inside of described shank is also provided with coaxial cable, described shank inside is also provided with inlet channel and water outlet, and described water outlet is also connected with the water flowing out structure chamber of shank end; The inside of described shank is also provided with injection canal, and the rear end of described injection canal is connected with watering pipe, and front end extends to the front end of shank, and is connected with the apopore of irradiator rear end; By utilize the capillary tube mode of pump pickle simultaneously in microwave ablation process, reduce shank front end because of the excessive probability that carbonization at high temperature occurs of power, expand ablation range, effectively improve and melt curative effect; Simultaneously of the present utility model simple in structure, be suitable for suitability for industrialized production, be easy to promote.
Description
Technical field
This utility model relates to a kind of medical apparatus and instruments for tumour ablation treating, and in particular, this utility model relates generally to a kind of water cooling microwave ablation aciculiform antenna with alinjection structure.
Background technology
Along with the progress of oncotherapy science, in tumor microwave ablation techniques, obtained in recent years clinically considerable progress.Microwave ablation is to utilize microwave energy effect to organize at once to produce heat effect, within the time of several minutes, forms the spherical thermal field of stable class, central temperature is greater than 100 ℃, edge is greater than 60 ℃, tumor tissues at high temperature moment be solidified deactivation, and then progressively melt and reach therapeutic purposes.Because the safe and wound of microwave ablation technology is little and controlled to the sphere of action size of tissue, so be more and more subject to doctors' high praise, there is the trend that becomes tumour ablation first choice of technology in the future.At present in the operating temperature high (being greater than 100 ℃) of the major defect of the single needle water-cooled microwave ablation needle shape antenna using front end irradiator (needle point place) when due to high-power use, needle point place organizes easy carbonization, thereby affect the transmitting of microwave energy, cause that to melt the scope of damage little, melting form keeps off in the defect such as spherical, and existing water-cooled microwave ablation needle shape antenna can only melt for physics merely, can not in conjunction with the chemical ablation of ethanol, treat, and if treat and can increase substantially therapeutic effect for tumor several different methods simultaneously simultaneously.Therefore the curative effect that melts for tumor needs further to be improved; Therefore be necessary its structure to do further research and improvement.
Utility model content
One of the purpose of this utility model is for above-mentioned deficiency, a kind of water cooling microwave ablation aciculiform antenna with alinjection structure is provided, with expectation, solve the scope that melts damage that in prior art, microwave melt needle causes because operating temperature is too high little, and simple physics melts and causes the technical problems such as therapeutic effect is not good.
For solving above-mentioned technical problem, this utility model by the following technical solutions:
A kind of water cooling microwave ablation aciculiform antenna with alinjection structure provided by the utility model, described aciculiform antenna comprises irradiator, aciculiform radiator cover is installed on described irradiator, described irradiator is arranged on the front end of shank, and the rear end of shank is also provided with radio frequency (RF) coaxial connector, the inside of described shank is also provided with coaxial cable, and described coaxial cable connects respectively irradiator and radio frequency (RF) coaxial connector, for accessing microwave source by radio frequency (RF) coaxial connector, the microwave that microwave source produces transfers to irradiator through radio frequency (RF) coaxial connector and coaxial cable successively, and then generation radiation, described shank inside is also provided with the ringwise inlet channel of cross section and water outlet, for cooling to being undertaken by current irradiator and shank at radiation generating process, described inlet channel is connected with outlet pipe with the water inlet pipe on shank end hand grip respectively with water outlet.The inside of described shank is also provided with injection canal, and the rear end of described injection canal is connected with watering pipe, and front end extends to the front end of shank, and is connected with the apopore of irradiator rear end.
As preferably, further technical scheme is: described apopore is three, and is all connected with injection canal.
Further technical scheme is: described radio frequency (RF) coaxial connector is connected with microwave source, for the irradiator output microwave to shank front end by microwave source.
Further technical scheme is: the external diameter of described irradiator is 2 to 8 millimeters.
Further technical scheme is: described radio frequency (RF) coaxial connector is also connected with control knob, for controlled conducting and the disconnection of radio frequency (RF) coaxial connector by control knob; Described control knob is arranged on the handle of shank end.
Further technical scheme is: on the handle of described shank end, be also provided with microwave output indicator, the electrode access radio frequency (RF) coaxial connector of described microwave output indicator, for lighting after radio frequency (RF) coaxial connector conducting.
Compared with prior art, one of the beneficial effects of the utility model are: by utilize the injection canal mode of alcohol injection simultaneously in microwave ablation process, physics is melted with chemical ablation and combined, make to damage that the scope of tumor is large and form good, effectively improve and melt curative effect, and the diameter of shank is thin, and intensity is high, the irradiator efficiency of shank front end is high, tolerance power is high; Simultaneously a kind of water cooling microwave ablation aciculiform antenna structure with alinjection structure provided by the utility model is simple, is suitable for suitability for industrialized production, is easy to promote.
Accompanying drawing explanation
Fig. 1 is for the structural representation of an embodiment of this utility model is described;
Fig. 2 is for the syndeton schematic diagram of another embodiment irradiator of this utility model and radio frequency (RF) coaxial connector is described;
Fig. 3 is for the shank internal structure schematic diagram of another embodiment of this utility model is described;
In figure, 1 is that irradiator, 2 is that shank, 3 is that radio frequency (RF) coaxial connector, 4 is that coaxial cable, 5 is that water inlet pipe, 6 is that outlet pipe, 7 is that watering pipe, 8 is that handle, 11 is that inlet channel, 12 is that water outlet, 13 is that injection canal, 14 is apopore.
The specific embodiment
Below in conjunction with accompanying drawing, this utility model is further elaborated.
Shown in figure 1, an embodiment of the present utility model is a kind of water cooling microwave ablation aciculiform antenna with alinjection structure, in the present embodiment, in aciculiform antenna, need to arrange irradiator 1, and aciculiform radiator cover is installed on irradiator 1, irradiator 1 is arranged on to the front end of shank 2, and the rear end of shank 2 is also provided with radio frequency (RF) coaxial connector 3; The inside of aforementioned shank 2 is also provided with coaxial cable 4, adopt this coaxial cable 4 to connect respectively irradiator 1 and radio frequency (RF) coaxial connector 3, for accessing microwave sources by radio frequency (RF) coaxial connector 3, the microwave that microwave source produces transfers to irradiator 1 through radio frequency (RF) coaxial connector 3 and coaxial cable 4 successively, and then produces radiation; Go out as shown in Figure 2, the global shape of above-mentioned irradiator 1 is preferably set to column simultaneously.
Shown in Fig. 3, what is more important, for guaranteeing the thermal diffusivity of aciculiform antenna, also need set up in the inside of shank 2 the ringwise inlet channel 11 of cross section and water outlet 12, cooling for irradiator 1 and shank 2 being carried out at radiation generating process, and inlet channel 11 is connected with outlet pipe 6 with the water inlet pipe 5 on shank 2 end hand grips 8 respectively with water outlet 12.Cooling water flow is entered the inlet channel 11 of shank 2 inside by water inlet pipe 5, then is flowed out by water outlet 12, and discharges via outlet pipe 6, with this, circulates.
And be when microwave physics melts, to carry out ethanol chemical ablation, also can set up injection canal 13 in the inside of shank 2, and the rear end of this injection canal 13 is connected with watering pipe 7, front end extends to the front end of shank 2, and is connected with the apopore 14 of irradiator 1 rear end.
As shown in Figure 1, above-mentioned radio frequency (RF) coaxial connector 3 is connected with microwave source, for the irradiator 1 output microwave to shank 2 front ends by microwave source.
When melting for assurance, can there is the ethanol of q.s to inject, and prevent from when ethanol from injecting producing excessive pressure, preferably above-mentioned apopore 14 is set to three, and all be connected with injection canal 13.
Shown in Fig. 1, for ease of the use of microwave aciculiform antenna, inventor, also with reference to prior art, is also connected above-mentioned radio frequency (RF) coaxial connector 3 with control knob, for controlled conducting and the disconnection of radio frequency (RF) coaxial connector 3 by control knob; Described control knob is arranged on the handle 8 of shank 2 ends.
For ease of form indication in the process in irradiator 1 generation radiation on aciculiform antenna, preferably on handle 8, set up again microwave output indicator 5, this display lamp can directly be used light emitting diode, and by the electrode access radio frequency (RF) coaxial connector 3 of aforementioned microwave output indicator 5, for lighting after radio frequency (RF) coaxial connector 3 conductings.
This utility model is that brand-new a kind of front end has approximately 2.1 millimeters of micropore for liquid infusion, diameter 14G(), high efficiency (standing-wave ratio is less than 1.5), high tolerance power (the most advanced and sophisticated irradiator 80W of place) water cooling microwave ablation aciculiform antenna, can prevent front end carbonization by pump pickle, expand ablation range, simultaneously can be for the injection of medicine, improve curative effect, for the ablation progress of large tumor lays the first stone.
In the above-described embodiment, shank 2 can adopt thin-walled overcoat 304 stainless steel tubes, water inlet pipe 13 can adopt the cooling water inlet pipe of thin-walled 304 rustless steel, coaxial cable 4 can adopt the coaxial cable of ultrafine diameter (for example diameter is the cable of 3 to 8 millimeters), the aciculiform radiator cover 15 of above-mentioned shank 2 front ends forms for the super sharp ceramic composite processing and manufacturing of cone high strength, to improve the transmitting power of tolerance microwave source.
And except above-mentioned, also it should be noted that " embodiment ", " another embodiment " that spoken of in this manual, " embodiment " etc., refer to specific features, structure or the feature in conjunction with this embodiment, described and be included at least one embodiment that the application's generality describes.In description, a plurality of local appearance statement of the same race is not necessarily to refer to same embodiment.Furthermore, while describing a specific features, structure or feature in conjunction with arbitrary embodiment, what advocate is in conjunction with other embodiment, to realize this feature, structure or feature also to drop in scope of the present utility model.
Although this utility model is described with reference to a plurality of explanatory embodiment of the present utility model here, but, should be appreciated that, those skilled in the art can design a lot of other modification and embodiments, and these are revised and within embodiment will drop on the disclosed principle scope and spirit of the application.More particularly, in the scope of, accompanying drawing open in the application and claim, can carry out multiple modification and improvement to the building block of subject combination layout and/or layout.Except modification that building block and/or layout are carried out with improving, to those skilled in the art, other purposes will be also obvious.
Claims (7)
1. a water cooling microwave ablation aciculiform antenna with alinjection structure, it is characterized in that: described aciculiform antenna comprises irradiator (1), described irradiator is provided with aciculiform radiator cover on (1), described irradiator (1) is arranged on the front end of shank (2), and the rear end of shank (2) is also provided with radio frequency (RF) coaxial connector (3), the inside of described shank (2) is also provided with coaxial cable (4), and described coaxial cable (4) connects respectively irradiator (1) and radio frequency (RF) coaxial connector (3), for accessing microwave source by radio frequency (RF) coaxial connector (3), the microwave that microwave source produces passes through successively radio frequency (RF) coaxial connector (3) and transfers to irradiator (1) with coaxial cable (4), and then generation radiation,
Described shank (2) inside is also provided with the ringwise inlet channel of cross section (11) and water outlet (12), for cooling to being undertaken by current irradiator (1) and shank (2) at radiation generating process, described inlet channel (11) is connected with outlet pipe (6) with the water inlet pipe (5) on shank (2) end hand grip (8) respectively with water outlet (12).
2. the water cooling microwave ablation aciculiform antenna with alinjection structure according to claim 1, the inside of described shank (2) is also provided with injection canal (13), the rear end of described injection canal (13) is connected with watering pipe (7), front end extends to the front end of shank (2), and is connected with the apopore (14) of irradiator (1) rear end.
3. the water cooling microwave ablation aciculiform antenna with alinjection structure according to claim 1, is characterized in that: described apopore (14) is three, and is all connected with injection canal (13).
4. the water cooling microwave ablation aciculiform antenna with alinjection structure according to claim 1 and 2, it is characterized in that: described radio frequency (RF) coaxial connector (3) is connected with microwave source, for irradiator (1) the output microwave to shank (2) front end by microwave source.
5. the water cooling microwave ablation aciculiform antenna with alinjection structure according to claim 3, is characterized in that: the external diameter of described irradiator (1) is 2 to 8 millimeters.
6. the water cooling microwave ablation aciculiform antenna with alinjection structure according to claim 1, it is characterized in that: described radio frequency (RF) coaxial connector (3) is also connected with control knob, for controlled conducting and the disconnection of radio frequency (RF) coaxial connector (3) by control knob; Described control knob is arranged on the handle (8) of shank (2) end.
7. the water cooling microwave ablation aciculiform antenna with alinjection structure according to claim 1, it is characterized in that: on the handle (8) of described shank (2) end, be also provided with microwave output indicator, the electrode access radio frequency (RF) coaxial connector (3) of described microwave output indicator, for lighting after radio frequency (RF) coaxial connector (3) conducting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420174477.7U CN203970543U (en) | 2014-04-11 | 2014-04-11 | The water cooling microwave ablation aciculiform antenna with alinjection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420174477.7U CN203970543U (en) | 2014-04-11 | 2014-04-11 | The water cooling microwave ablation aciculiform antenna with alinjection structure |
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| Publication Number | Publication Date |
|---|---|
| CN203970543U true CN203970543U (en) | 2014-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420174477.7U Expired - Lifetime CN203970543U (en) | 2014-04-11 | 2014-04-11 | The water cooling microwave ablation aciculiform antenna with alinjection structure |
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| Country | Link |
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| CN (1) | CN203970543U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104027168A (en) * | 2014-06-20 | 2014-09-10 | 章建全 | Microwave ablation needle antenna with infusion structure for curing cyst |
| CN104720892A (en) * | 2015-03-16 | 2015-06-24 | 李晓光 | Microwave ablation antenna used for cystic tumor ablation therapy |
| CN107007350A (en) * | 2017-05-22 | 2017-08-04 | 清华大学深圳研究生院 | Microwave melt needle and microwave ablation therapeutic equipment |
| CN107865691A (en) * | 2017-11-22 | 2018-04-03 | 安徽硕金医疗设备有限公司 | A kind of water-cooled microwave ablation needle of magnetic resonance compatible |
-
2014
- 2014-04-11 CN CN201420174477.7U patent/CN203970543U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104027168A (en) * | 2014-06-20 | 2014-09-10 | 章建全 | Microwave ablation needle antenna with infusion structure for curing cyst |
| CN104720892A (en) * | 2015-03-16 | 2015-06-24 | 李晓光 | Microwave ablation antenna used for cystic tumor ablation therapy |
| CN107007350A (en) * | 2017-05-22 | 2017-08-04 | 清华大学深圳研究生院 | Microwave melt needle and microwave ablation therapeutic equipment |
| CN107007350B (en) * | 2017-05-22 | 2023-02-24 | 清华大学深圳研究生院 | Microwave ablation needle and microwave ablation therapeutic instrument |
| CN107865691A (en) * | 2017-11-22 | 2018-04-03 | 安徽硕金医疗设备有限公司 | A kind of water-cooled microwave ablation needle of magnetic resonance compatible |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Jing Xiang Inventor after: Zhang Peng Inventor after: Yang Ting Inventor before: Zheng Jiasheng Inventor before: Zhang Peng Inventor before: Yang Ting |
|
| COR | Change of bibliographic data | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141203 |