CN207561978U - A kind of novel microwave ablating electrode needle - Google Patents
A kind of novel microwave ablating electrode needle Download PDFInfo
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- CN207561978U CN207561978U CN201720453580.9U CN201720453580U CN207561978U CN 207561978 U CN207561978 U CN 207561978U CN 201720453580 U CN201720453580 U CN 201720453580U CN 207561978 U CN207561978 U CN 207561978U
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- needle
- sebific duct
- ablating electrode
- handle
- novel microwave
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Abstract
The utility model is related to a kind of novel microwave ablating electrode needles, and including needle body, handle and handle external connection part, the needle body is made of syringe needle, injecting liquid drug pipe, insulation sleeve, thermometric galvanic couple, diversion steel pipe, galvanic couple conducting wire and outer needle tubing；The handle is made of handle case, needle stand, needle holder core, and needle stand and needle holder core close fit form an independent inhalant region and an exhalant region, and the inhalant region and exhalant region are connected respectively with water inlet sebific duct and water outlet sebific duct；The handle external connection part is made of the cable of water outlet sebific duct, liquid sebific duct, water inlet sebific duct and at least three cores.The utility model has the beneficial effect that：It is simple and reliable for structure, easily fabricated, efficient, safe and convenient to use, by injecting appropriate liquid auxiliary treatment during Microwave Coagulation Therapy, the effect of microwave ablation can be significantly improved, achieve the effect that be administered simultaneously auxiliary treatment, patient's treatment time and the labor intensity of doctor are shortened, benefits doctor and patient.
Description
Technical field
The utility model is related to the field of medical instrument technology more particularly to a kind of use water cooling and injecting liquid drug to carry simultaneously
The novel microwave ablating electrode needle of high Microwave Coagulation Therapy range.
Background technology
Microwave melt needle is the critical component in Microwave Coagulation Therapy system, it is directly entered in patient body, to microwave
Ablation effect plays conclusive effect, up to the present, has developed a variety of microwave melt needles all over the world, but do not have
It is a kind of can be with liquid medicine injection auxiliary treatment, in practical application, miscellaneous microwave melt needle while microwave ablation
Its feature is often some aspects prominent function, however comprehensive performance is poor, when use be subject to many limitations it is inconvenient or because
Fault of construction and cause manufacture difficult or be unfavorable for manufacturing, of high cost, cost performance is low.
This case combination actual conditions point out, in numerous problems to be solved and with can be in Extended Technology link, for existing
Some deficiencies carry out comprehensive consideration and design a kind of novel microwave ablating electrode needle of high performance-price ratio a kind of, it is made to collect microwave and is disappeared
Warm injecting liquid drug is integrated, and injecting liquid drug and ablation are carried out at the same time.
Therefore, in view of the above, needing reasonably to improve the prior art.
Utility model content
For disadvantages described above, the utility model provides a kind of comprehensive performance strong, feature-rich novel microwave ablating electrode
Needle is once equivalent to microwave ablation and two kinds of therapeutic effects being administered simultaneously with needle therapeutic, is opened while injection of medicine
Ablation mode has synergistic effect, to solve many deficiencies of the prior art.
To achieve the above object, the utility model uses following technical scheme：
A kind of novel microwave ablating electrode needle, including needle body, handle and handle external connection part, the needle body is by syringe needle, medicine
Liquid injection-tube, insulation sleeve, thermometric galvanic couple, diversion steel pipe, galvanic couple conducting wire and outer needle tubing composition；The handle is by handle case, needle
Seat, needle holder core composition, needle stand and needle holder core close fit form an independent inhalant region and an exhalant region, the inhalant region and
Exhalant region is connected respectively with water inlet sebific duct and water outlet sebific duct；The handle external connection part is by water outlet sebific duct, liquid sebific duct, water inlet
The cable composition of sebific duct and at least three cores.
Correspondingly, with reference to technical solutions of the utility model, following technical characteristic is further included：
The needle body is round tube shape, and leading portion is the tapered needle of trepanning, and back segment is round outer needle tubing, built in outer needle tubing
One diversion steel pipe；
The diversion steel pipe front end is provided with a notch and equipped with a thermometric galvanic couple and the thermometric galvanic couple by two superfine electricity
Even conducting wire extraction is connected to the cable of handle external connection part；
The diversion steel pipe rear end is connected with inhalant region, and cooling water squeezes into inhalant region from sebific duct of intaking, out of diversion steel pipe
Hole flows through its front end notch, and exhalant region is flowed back to by the gap of diversion steel pipe and outer needle tubing endoporus, is flowed back to through being discharged sebific duct suction
To recirculated cooling water device.
The injecting liquid drug pipe is closely connect using stainless steel tube and the stainless steel tube with syringe needle tail end endoporus, the medicine
Liquid injection-tube passes through the inhalant region of needle stand to be directly connected with liquid sebific duct.
The syringe needle, injecting liquid drug pipe, diversion steel pipe, outer needle tubing are using stainless steel, 0.1~0.5mm of wall thickness, outer diameter 0.5
~2mm.
The needle stand, needle holder core are formed using high intensity engineering plastic PC；
The water inlet sebific duct, water outlet sebific duct, liquid sebific duct use PU hoses；
The thermometric galvanic couple use K-type or T-shaped thermocouple, galvanic couple line using constantan wire enamel-cover linear diameter 0.1 ±
0.005mm。
Novel microwave ablating electrode needle described in the utility model has the beneficial effect that：
(1) it is simple and reliable for structure, easily fabricated, efficient, safe and convenient to use, it is suitable by injecting during Microwave Coagulation Therapy
When liquid auxiliary treatment, the effect of microwave ablation can be significantly improved, achievees the effect that be administered simultaneously auxiliary treatment, shortens patient
Treatment time and the labor intensity of doctor, benefit doctor and patient；
(2) instil, first Pig or infusion sebific duct can be switched on liquid sebific duct according to Pig or transfusion bottle, pass through
It crosses liquid force (forcing) pump and liquid medicine is sent into injecting liquid drug pipe, by the hole on syringe needle directly by injection biological tissue, injection is logical
Road is independently separated completely, will not be by any pollution；
(3) galvanic couple line extraction is connected on the cable in handle, and Microwave Coagulation Therapy system is connected to by cable
Host completes signal transmission and temperature adjusting control；
(4) it can ensure that liquid is directly injected into biological tissue by being entirely isolated during this electrode needle without oozing
Leakage and cooled water penetration.
Description of the drawings
The utility model is described in further detail below according to attached drawing.
Fig. 1 is the structure diagram of novel microwave ablating electrode needle described in the utility model embodiment；
Fig. 2 is the 1A enlarged schematic partial views of Fig. 1；
Fig. 3 is the handle inner schematic diagram of novel microwave ablating electrode needle described in the utility model embodiment；
Fig. 4 is the A-A directional profile schematic diagrames of Fig. 2；
Fig. 5 is the handle side schematic view of novel microwave ablating electrode needle described in the utility model embodiment.
In figure：
1st, syringe needle；2nd, injecting liquid drug pipe；3rd, insulation sleeve；4th, thermometric galvanic couple；5th, diversion steel pipe；6th, galvanic couple conducting wire；7th, outer needle
Pipe；8th, needle stand；9th, needle holder core；11st, handle case；12nd, it is discharged sebific duct；13rd, liquid sebific duct；14th, cable；15th, water inlet sebific duct；
16th, inhalant region；17th, exhalant region.
Specific embodiment
As shown in Figs. 1-5, the novel microwave ablating electrode needle described in the utility model embodiment, including needle body, handle and
Handle external connection part, the needle body is by syringe needle 1, injecting liquid drug pipe 2, insulation sleeve 3, thermometric galvanic couple 4, diversion steel pipe 5, galvanic couple conducting wire
6 and outer needle tubing 7 form；The handle is made of handle case 11, needle stand 8, needle holder core 9, which, which has, takes over from the past and sets a new course for the future
Function, mainly by needle body with handle external connection part is organic closely combine together with, with design effect；Outside the handle
Connection part is made of the cable 14 of water outlet sebific duct 12, liquid sebific duct 13, water inlet sebific duct 15 and at least three cores, the cable 14
It is directly connected on the host of microwave ablation system, disengaging cooling water pipe leads directly to cooling water circulating device by cooling water pump.
Further, the handle front end is closely connect with needle body, and handle rear end draws water inlet sebific duct 15, water outlet sebific duct
12nd, liquid sebific duct 13, cable 14 after 9 close fit of needle stand 8 and needle holder core therein, form an independent inhalant region 16
With an exhalant region 17, the inhalant region 16 and exhalant region 17 are connected respectively with water inlet sebific duct 15 and water outlet sebific duct 12.
Correspondingly, the body sections are round tube shape, and leading portion is the tapered needle 1 of trepanning, and back segment is round outer needle
Pipe 7, a diversion steel pipe 5 built in outer needle tubing 7, this 5 front end of diversion steel pipe are provided with a notch and are equipped with a thermometric galvanic couple 4 and are somebody's turn to do
Thermometric galvanic couple 4 is connected to by two superfine extractions of galvanic couple conducting wire 6 on the cable 14 of handle external connection part, is disappeared to be connected to microwave
Melt the host for the treatment of system, complete signal transmission and temperature adjusting control；
Correspondingly, 5 rear end of diversion steel pipe is connected with inhalant region, and cooling water squeezes into inhalant region 16 from sebific duct 15 of intaking,
Its front end notch is flowed through from 5 endoporus of diversion steel pipe, exhalant region 17 is flowed back to by the gap of 7 endoporus of diversion steel pipe 5 and outer needle tubing, is passed through
The water outlet suction of sebific duct 12 flows back into recirculated cooling water device.
Further, the injecting liquid drug pipe 2 uses stainless steel tube and the stainless steel tube and 1 tail end endoporus of syringe needle are close
(the close connection refers to bear to require pressure without the welding of leakage, close-fitting, glue bonding or the several method for connection
Combination connection), injecting liquid drug pipe 2 passes through the inhalant region 16 of needle stand 8 to be directly connected with liquid sebific duct 13, so as to ensure that liquid is passing through
It is entirely isolated, is directly injected into biological tissue without the water penetration that leaks and be cooled when crossing this electrode needle.
Novel microwave ablating electrode needle described in more than the utility model embodiment, relevant operation principle are as follows：
When carrying out injecting liquid drug：Generally using Pig, either transfusion bottle instils Pig or the connection of infusion sebific duct first
Onto the liquid sebific duct of the present invention, liquid medicine is sent into injecting liquid drug pipe by liquid force (forcing) pump, passes through the directly quilt of the hole on syringe needle
It injects in biological tissue, injection canal is independently separated completely, will not be by any pollution.
When carrying out cooling water cooling：Cooling water is sucked out from chilled water unit through cooling water pump for water inlet sebific duct, squeeze into
Pool because pressure difference is pressed into the endoporus of diversion steel pipe, by diversion steel pipe front end notch, passes through diversion steel pipe and needle tubing endoporus
Gap flow back to exhalant region, then flow in chilled water unit through being discharged sebific duct, form circulating cooling.
When needle body temperature controls：The temperature measuring head of diversion steel pipe front end indentation, there is communicated to Microwave Coagulation Therapy by cable
The host of system completes signal transmission and temperature adjusting control.
In addition, in the specific implementation of the present invention, meticulous optimum choice is done to the selection of each component, to ensure the present invention
Safety, Optimality, reliability, the practicability of microwave melt needle etc., biocompatibility meets GB/T 16886.1-2011
Requirement；Wherein syringe needle, injecting liquid drug pipe, diversion steel pipe, outer needle tubing etc. use stainless steel 304,0.1~0.5mm of wall thickness, outer diameter
0.5~2mm；Needle stand, needle holder core expect that handle case uses ABS plastic material, and plastic rubber material is using injection using high intensity engineering plastic PC
Molding, dimensionally stable intensity are high；Sebific duct, water outlet sebific duct, liquid sebific duct intake using PU hoses, intensity is good, tension folding.Thermometric electricity
Even to use K-type or T-shaped thermocouple, galvanic couple line uses 0.1 ± 0.005mm of constantan wire enamel-cover linear diameter.
The above-mentioned description to embodiment is it will be appreciated that and using this for the ease of those skilled in the art
Case technology, person skilled in the art obviously can easily make these examples various modifications, and described herein one
As principle be applied in other embodiments without having to go through creative labor.Therefore, this case is not limited to above example, ability
The technical staff in domain is according to the announcement of this case, for improvement and modification that this case is made, for needle tubing, steel pipe and injection-tube ruler
Very little variation uses the length of each sebific duct and corresponding transformation etc., all should be in the protection domain of this case.
Claims (10)
1. a kind of novel microwave ablating electrode needle, including needle body, handle and handle external connection part, it is characterised in that：The needle body
It is made of syringe needle, injecting liquid drug pipe, insulation sleeve, thermometric galvanic couple, diversion steel pipe, galvanic couple conducting wire and outer needle tubing；The handle by
Handle case, needle stand, needle holder core composition, needle stand and needle holder core close fit form an independent inhalant region and an exhalant region,
The inhalant region and exhalant region are connected respectively with water inlet sebific duct and water outlet sebific duct；The handle external connection part is by water outlet sebific duct, medicine
The cable composition of liquid glue pipe, water inlet sebific duct and at least three cores.
2. novel microwave ablating electrode needle according to claim 1, it is characterised in that：The needle body is round tube shape,
Leading portion is the tapered needle of trepanning, and back segment is round outer needle tubing, a diversion steel pipe built in outer needle tubing.
3. novel microwave ablating electrode needle according to claim 2, it is characterised in that：The diversion steel pipe front end is provided with one
Notch is simultaneously connected to handle external connection part equipped with a thermometric galvanic couple and the thermometric galvanic couple by two superfine galvanic couple conducting wire extractions
Cable.
4. according to claim 1-3 any one of them novel microwave ablating electrode needles, it is characterised in that：After the diversion steel pipe
End is connected with inhalant region, and cooling water squeezes into inhalant region from sebific duct of intaking, its front end notch is flowed through from diversion steel pipe endoporus, by drawing
Exhalant region is flowed back in the gap of water steel pipe and outer needle tubing endoporus, and recirculated cooling water device is flow back into through being discharged sebific duct suction.
5. according to claim 1-3 any one of them novel microwave ablating electrode needles, it is characterised in that：The injecting liquid drug pipe
It is closely connect with syringe needle tail end endoporus using stainless steel tube and the stainless steel tube.
6. novel microwave ablating electrode needle according to claim 5, it is characterised in that：The injecting liquid drug pipe passes through needle stand
Inhalant region be directly connected with liquid sebific duct.
7. novel microwave ablating electrode needle according to claim 1, it is characterised in that：The syringe needle, draws injecting liquid drug pipe
Water steel pipe, outer needle tubing are using stainless steel, 0.1~0.5mm of wall thickness, 0.5~2mm of outer diameter.
8. novel microwave ablating electrode needle according to claim 1, it is characterised in that：The needle stand, needle holder core are using high
Intensity engineering plastic PC is formed.
9. novel microwave ablating electrode needle according to claim 1, it is characterised in that：It is described water inlet sebific duct, water outlet sebific duct,
Liquid sebific duct uses PU hoses.
10. novel microwave ablating electrode needle according to claim 1, it is characterised in that：The thermometric galvanic couple using K-type or
T-shaped thermocouple, galvanic couple line use 0.1 ± 0.005mm of constantan wire enamel-cover linear diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720453580.9U CN207561978U (en) | 2017-04-26 | 2017-04-26 | A kind of novel microwave ablating electrode needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720453580.9U CN207561978U (en) | 2017-04-26 | 2017-04-26 | A kind of novel microwave ablating electrode needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207561978U true CN207561978U (en) | 2018-07-03 |
Family
ID=62697535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720453580.9U Active CN207561978U (en) | 2017-04-26 | 2017-04-26 | A kind of novel microwave ablating electrode needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207561978U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110507414A (en) * | 2019-09-16 | 2019-11-29 | 浙江大学 | A kind of more gap microwave melt needles |
| CN112022332A (en) * | 2020-09-03 | 2020-12-04 | 至善介入消融技术研究院(南京)有限公司 | Ablation needle |
| CN114343833A (en) * | 2021-11-29 | 2022-04-15 | 苏州艾科脉医疗技术有限公司 | Ablation catheter |
-
2017
- 2017-04-26 CN CN201720453580.9U patent/CN207561978U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110507414A (en) * | 2019-09-16 | 2019-11-29 | 浙江大学 | A kind of more gap microwave melt needles |
| CN112022332A (en) * | 2020-09-03 | 2020-12-04 | 至善介入消融技术研究院(南京)有限公司 | Ablation needle |
| CN112022332B (en) * | 2020-09-03 | 2024-03-08 | 至善介入消融技术研究院(南京)有限公司 | Ablation needle |
| CN114343833A (en) * | 2021-11-29 | 2022-04-15 | 苏州艾科脉医疗技术有限公司 | Ablation catheter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200508 Address after: 201616 12 buildings, 3 floors, No. 1, 618 Lane, Zhongde Road, Xiaokunshan Town, Songjiang District, Shanghai Patentee after: Shanghai Bekada Medical Technology Co., Ltd. Address before: 401, unit 3, No. 24, Hengyi village, Zhuhui District, Hengyang City, Hunan Province Patentee before: Tang Huasong |
|
| TR01 | Transfer of patent right |