CN203677247U - Single-needle single-pole radiofrequency ablation pole needle and single-needle double-pole radiofrequency ablation pole needle - Google Patents
Single-needle single-pole radiofrequency ablation pole needle and single-needle double-pole radiofrequency ablation pole needle Download PDFInfo
- Publication number
- CN203677247U CN203677247U CN201420007050.8U CN201420007050U CN203677247U CN 203677247 U CN203677247 U CN 203677247U CN 201420007050 U CN201420007050 U CN 201420007050U CN 203677247 U CN203677247 U CN 203677247U
- Authority
- CN
- China
- Prior art keywords
- needle
- pipe
- steel pipe
- needle tubing
- handle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000007674 radiofrequency ablation Methods 0.000 title abstract description 18
- 239000007788 liquid Substances 0.000 claims abstract description 85
- 239000003814 drug Substances 0.000 claims abstract description 68
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 46
- 239000010959 steel Substances 0.000 claims abstract description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 238000002347 injection Methods 0.000 claims abstract description 22
- 239000007924 injection Substances 0.000 claims abstract description 22
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 9
- 239000010935 stainless steel Substances 0.000 claims abstract description 9
- 229940079593 drug Drugs 0.000 claims description 45
- 238000009413 insulation Methods 0.000 claims description 20
- 238000003466 welding Methods 0.000 claims description 13
- 238000002679 ablation Methods 0.000 claims description 5
- 238000009422 external insulation Methods 0.000 claims description 5
- 239000000498 cooling water Substances 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 8
- 230000017525 heat dissipation Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000004891 communication Methods 0.000 abstract 1
- 238000003754 machining Methods 0.000 abstract 1
- 238000002560 therapeutic procedure Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000007373 indentation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 230000001225 therapeutic effect Effects 0.000 description 2
- 229910001006 Constantan Inorganic materials 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 229950000845 politef Drugs 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 238000011297 radiofrequency ablation treatment Methods 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Images
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model relates to a single-needle single-pole radiofrequency ablation pole needle which comprises a needle body, a handle and a handle outer connection part. A liquid medicine injection pipe, a water diversion steel pipe and a needle pipe are round stainless steel pipes. The technology is mature, strength is high, and machining and producing are easy. The outer side of the rear end of a needle head is welded to and tightly arranged on the inner side of the needle pipe, the inner side of the rear end of the needle head is also welded to and tightly arranged on the outer side of the liquid medicine injection pipe, so that the needle head is firm and reliable in connection, the needle head is not prone to breaking, and liquid medicine is totally isolated in the injection process and will not be permeated or polluted. Cooling water is in contact with the whole inner wall of the needle pipe, contact area is large, and the heat dissipation effect is good. The liquid medicine injection pipe is in direct communication with a liquid medicine rubber pipe, and it is ensured that a liquid medicine channel is completely and independently isolated and will not be subjected to any pollution. In addition, the utility model discloses a single-needle double-pole radiofrequency ablation pole needle.
Description
Technical field
This utility model belongs to medical apparatus and instruments, is a kind of one pole and bipolar radio frequency ablating electrode pin (being monopolar/bipolar radio-frequency ablation electrode needle) of applying water cooling and injecting liquid drug and developing simultaneously to improve radiofrequency ablation therapy scope.
Background technology
Radio-frequency ablation electrode needle is the critical component in radiofrequency ablation therapy system, be mainly used in oncotherapy, it directly enters in patient body, radiofrequency ablation treatment effect plays conclusive effect, up to the present, a variety of radio-frequency ablation electrode needles have been developed all over the world: have single needle single electrode pin, single needle bipolar electrode pin, water-cooled electrode needle, injectable medicinal liquid electrode needle.For the larger tumor of one-time treatment has also been invented three pins, spininess single electrode pin etc., and in the time of practical application miscellaneous radio-frequency ablation electrode needle prominent function aspect some often, combination property is poor, when use, is subject to many limitations, or inconvenient, or because of fault of construction manufacture difficulty, maybe can not manufacture, cost is high, and cost performance is low.
For example: the patent of invention that China Patent No. is 201110174387.9, a kind of radio-frequency ablation electrode needle is disclosed, it can liquid medicine injection in cooling.But there is the shortcomings such as syringe needle easily fractures, radiating effect is not good in this radio-frequency ablation electrode needle.
Utility model content
The purpose of this utility model is to provide for the deficiencies in the prior art that a kind of combination property is strong, feature richness, syringe needle are not easy to fracture, one pole and the bipolar radio frequency ablating electrode pin of excellent in heat dissipation effect, and it once can meet or exceed existing spininess or single needle therapeutic effect repeatedly by needle therapeutic effect.
To achieve these goals, this utility model provides a kind of single needle monopolar radio frequency ablating electrode pin, comprises that needle body, handle and handle outreach, described needle body comprises syringe needle, injecting liquid drug pipe, point for measuring temperature, diversion steel pipe, galvanic couple wire, needle tubing, insulation rubber tube, described handle comprises handle case, needle stand, needle holder core, described handle outreaches and comprises water outlet sebific duct, medicinal liquid sebific duct, cable, water inlet sebific duct, described syringe needle is arranged at the front end of needle body, described syringe needle offers liquid medicine injection perforation, described needle tubing is arranged at the back segment of syringe needle, described injecting liquid drug pipe is arranged in needle tubing, described diversion steel pipe is arranged between injecting liquid drug pipe and needle tubing, described diversion steel pipe front end has a breach and is provided with thermometric galvanic couple, this thermometric galvanic couple is connected to described cable by described galvanic couple wire and is connected with ablation system main frame, described injecting liquid drug pipe, diversion steel pipe, needle tubing is circular stainless-steel pipe, the outside, rear end of described syringe needle is for welding the inner side that is tight with at described needle tubing, the rear inside of described syringe needle is also tight with at the outside of described injecting liquid drug pipe for welding, the liquid medicine injection perforation of described syringe needle is 1～8, described insulation rubber tube is covered in the outside of described needle tubing, and the outside of described needle tubing front portion is exposed.
Wherein, the liquid medicine injection perforation of described syringe needle is communicated with the injecting liquid drug pipe of described needle tubing, and described injecting liquid drug pipe is directly connected with described medicinal liquid sebific duct through the inhalant region of needle stand.
Wherein, described handle is provided with the inhalant region and the exhalant region that independently separate separately, described diversion steel pipe rear end and inhalant region UNICOM, the region UNICOM between described exhalant region and diversion steel pipe outer wall and needle interior wall.
This utility model also provides a kind of single needle bipolar radio frequency ablating electrode pin, comprises that needle body, handle and handle outreach, described needle body comprises syringe needle, injecting liquid drug pipe, point for measuring temperature, diversion steel pipe, galvanic couple wire, needle tubing, insulation rubber tube, described handle comprises handle case, needle stand, needle holder core, described handle outreaches and comprises water outlet sebific duct, medicinal liquid sebific duct, cable, water inlet sebific duct, described syringe needle is arranged at the front end of needle body, described syringe needle offers liquid medicine injection perforation, described needle tubing is arranged at the back segment of syringe needle, described injecting liquid drug pipe is arranged in needle tubing, described diversion steel pipe is arranged between injecting liquid drug pipe and needle tubing, described diversion steel pipe front end has a breach and is provided with thermometric galvanic couple, this thermometric galvanic couple is connected to described cable by described galvanic couple wire and is connected with ablation system main frame, described insulation rubber tube is covered in the outside of described needle tubing, the arranged outside of described insulation rubber tube has outer needle tubing, between described outer needle tubing and syringe needle, be provided with insulation cushion rubber, the outer side covers of described outer needle tubing has external insulation sebific duct, and the outside of described outer needle tubing front portion is exposed, described injecting liquid drug pipe, diversion steel pipe, needle tubing, outer needle tubing are circular stainless-steel pipe, and the outside, rear end of described syringe needle is for welding the inner side that is tight with at described needle tubing, and the rear inside of described syringe needle is also tight with at the outside of described injecting liquid drug pipe for welding, the liquid medicine injection perforation of described syringe needle is 1～8.
This utility model beneficial effect is:
1, injecting liquid drug pipe, diversion steel pipe, needle tubing are circular stainless-steel pipe, technical maturity, and intensity is high, is easy to processing;
2, outside, the rear end of syringe needle is for welding the inner side that is tight with at needle tubing, the rear inside of syringe needle is also tight with at the outside of injecting liquid drug pipe for welding, so the firm and reliable connection of syringe needle, makes syringe needle be not easy to fracture, and medicinal liquid is isolated completely in injection process can be by osmosis pollution;
3, cooling water contacts with the whole inwall of needle tubing, and contact area is large, excellent in heat dissipation effect;
4, injecting liquid drug pipe is directly straight-through with medicinal liquid sebific duct, and assurance medicine liquid channel, completely by independent isolating, can not be subject to any pollution;
5, needle stand and needle holder core can form the inhalant region and the exhalant region that independently separate separately after assembling, diversion steel pipe rear end and inhalant region UNICOM, cooling water enters inhalant region through cooling water pump from water inlet sebific duct, from diversion steel pipe endoporus its front end breach of flowing through, through heat exchange, from between diversion steel pipe outer wall and needle interior wall surrounding gap, flow back to exhalant region, cooling water flows in diversion steel pipe, large with needle body contact area, good heat dissipation effect, can fully guarantee the work efficiency of this electrode needle, safety is reliable again, flow back into recirculated cooling water device finally by water outlet sebific duct.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model single needle monopolar radio frequency ablating electrode pin;
Fig. 2 is the structural representation of the needle body of this utility model single needle monopolar radio frequency ablating electrode pin;
Fig. 3 is the structural representation of the handle of this utility model single needle monopolar radio frequency ablating electrode pin;
Fig. 4 is the A-A cutaway view of Fig. 2;
Fig. 5 is the right view of the handle of this utility model single needle monopolar radio frequency ablating electrode pin;
Fig. 6 is the structural representation of this utility model single needle bipolar radio frequency ablating electrode pin;
Fig. 7 is the structural representation of the needle body of this utility model single needle bipolar radio frequency ablating electrode pin;
Fig. 8 is the structural representation of the handle of this utility model single needle bipolar radio frequency ablating electrode pin;
Fig. 9 is the A-A cutaway view of Fig. 7;
Figure 10 is the right view of the handle of this utility model single needle bipolar radio frequency ablating electrode pin.
Reference numeral:
1-syringe needle, 2-injecting liquid drug pipe, 3-point for measuring temperature, 4-diversion steel pipe, 5-galvanic couple wire, 6-needle tubing, 7-insulation rubber tube, 8-needle stand, 9-needle holder core, 10-electrode wires, 11-electrode wires, 12-handle case, 13-water outlet sebific duct, 14-medicinal liquid sebific duct, 15-cable, the 16-sebific duct of intaking, 17-inhalant region, 18-exhalant region, 19-external insulation sebific duct, the outer needle tubing of 20-, the 21-cushion rubber that insulate.
The specific embodiment
In order to describe the technical solution of the utility model in detail, below in conjunction with the accompanying drawing of this utility model embodiment, the technical scheme of this utility model embodiment is carried out to clear, complete description.Obviously, described embodiment is a part of embodiment of the present utility model, rather than whole embodiment.Based on described embodiment of the present utility model, the every other embodiment that those of ordinary skills obtain under the prerequisite without creative work, belongs to the scope that this utility model is protected.
Please refer to Fig. 1～5, single needle monopolar radio frequency ablating electrode pin of the present utility model, comprises needle body, and handle and handle outreach part three parts.
Needle body, as Fig. 2, comprises syringe needle 1, injecting liquid drug pipe 2, point for measuring temperature 3, diversion steel pipe 4, galvanic couple wire 5, needle tubing 6, insulation rubber tube 7.
Handle, as Fig. 3, comprises handle case 12, needle stand 8, needle holder core 9.Handle plays the effect of taking over from the past and setting a new course for the future, and together with needle body and handle are outreached to part is organic and closely combine, makes it to have design function.
Handle outreaches part as Fig. 1, comprises water outlet sebific duct 13, medicinal liquid sebific duct 14, cable 15, water inlet sebific duct 16.
Wherein, syringe needle 1 is arranged at the front end of needle body, syringe needle 1 offers liquid medicine injection perforation, needle tubing 6 is arranged at the back segment of needle body, injecting liquid drug pipe 2 is arranged in needle tubing 6, diversion steel pipe 4 is arranged between injecting liquid drug pipe 2 and needle tubing 6, diversion steel pipe 4 front ends have a breach and are provided with thermometric galvanic couple, this thermometric galvanic couple is connected to cable 15 by galvanic couple wire 5 and is connected with ablation system main frame, injecting liquid drug pipe 2, diversion steel pipe 4, needle tubing 6 is circular stainless-steel pipe, the outside, rear end of syringe needle 1 is for welding the inner side that is tight with at needle tubing 6, the rear inside of syringe needle 1 is also tight with at the outside of injecting liquid drug pipe 2 for welding, in Fig. 2, the liquid medicine injection perforation of syringe needle 1 is 1～8, and can comprise clear opening, cross-drilled hole, and for example: clear opening is 1, cross-drilled hole is 2 etc., insulation rubber tube 7 is covered in the outside of needle tubing 6, and the outside of needle tubing 6 front portions is exposed, and the steel body exposing is divided into 10～40mm(millimeter).
Wherein, the liquid medicine injection perforation of syringe needle 1 is communicated with the injecting liquid drug pipe 2 of needle tubing 6, and injecting liquid drug pipe 2 is directly connected with medicinal liquid sebific duct 14 through the inhalant region 17 of needle stand 8.
Wherein, handle is provided with the inhalant region 17 and the exhalant region 18 that independently separate separately, diversion steel pipe 4 rear ends and inhalant region 17 UNICOMs, the region UNICOM between exhalant region 18 and diversion steel pipe 4 outer walls and needle tubing 6 inwalls.
Specifically, needle body sub-population is tubular, leading portion is the tapered needle 1 of 1～5 of perforate, back segment is circular needle tubing 6, the built-in diversion steel pipe 4 of needle tubing 6, its front end has a breach and is provided with a thermometric galvanic couple, diversion steel pipe 4 rear ends and inhalant region 17 UNICOMs, cooling water is squeezed into inhalant region 17 from water inlet sebific duct 16, from diversion steel pipe 4 endoporus its front end breach of flowing through, slit flow by diversion steel pipe 4 and needle tubing 6 endoporus returns back out pool 18, flows back into recirculated cooling water device through 13 sucking-offs of water outlet sebific duct.
Point for measuring temperature 3 is located at the indentation, there of diversion steel pipe 4, is drawn and is connected on the cable 15 that handle outreaches part by 2 superfine galvanic couple wires 5, receives the main frame of radiofrequency ablation therapy system, and settling signal transmission and temperature regulate control.
Injecting liquid drug pipe 2 uses stainless steel tube, use with syringe needle 1 tail end endoporus and be closely connected that (tight connection refers to and can bear the welding that requires pressure and can seepage, close-fitting, being connected of bonding or this several method of glue), injecting liquid drug pipe 2 is directly connected with medicinal liquid sebific duct 14 through needle stand 8 inhalant regions 17, thus guarantee medicinal liquid when through this electrode needle, be isolated completely be directly injected in biological tissue and can seepage and the water that is cooled permeate.
Handle portion is by handle case 12, needle stand 8, and needle holder core 9 forms, and front end is closely connected with needle body, and draw into water sebific duct 16 rear end, water outlet sebific duct 13, medicinal liquid sebific duct 14, cable 15.Wherein needle stand 8 and needle holder core 9, by after close fit, can form independently an inhalant region 17 and an exhalant region 18, and they are connected with water inlet sebific duct 16 and water outlet sebific duct 13 respectively.
Handle outreaches part by a cooling water inlet sebific duct 16, article one, 14, one above cables 15 of 4 core of 13, one injecting drug use sol pipes of cooling water outlet sebific duct form, cable is directly connected on the main frame of radio frequency ablation system, and turnover cooling water pipe leads directly to cooling water circulating device by cooling water pump.
Injecting liquid drug: generally adopt Pig or transfusion bottle to instil, first Pig or infusion sebific duct are switched on injecting liquid drug pipe 2 of the present utility model, through medicinal liquid force (forcing) pump, liquid medicine is sent into injecting liquid drug pipe 2, directly be injected in biological tissue by the hole on syringe needle 1, its injection canal is independently separated completely, can not be subject to any pollution.
Water quench: water inlet sebific duct 16 through cooling water pump by cooling water sucking-off in chilled water unit, squeeze into inhalant region 17, because pressure difference is pressed into the endoporus of diversion steel pipe 4, through diversion steel pipe 4 front end breach, slit flow by diversion steel pipe 4 and needle tubing 6 endoporus returns back out pool 18, flow in chilled water unit through water outlet sebific duct 13 again, form circulating cooling.
Needle body temperature control: be provided with a point for measuring temperature 3 in the front end indentation, there of diversion steel pipe 4, draw on the cable 15 being connected in handle by galvanic couple line, be connected to the main frame of radiofrequency ablation therapy system by cable 15, settling signal transmission and temperature regulate to be controlled.
This utility model also provides a kind of single needle bipolar radio frequency ablating electrode pin, as shown in Fig. 6～10, two kinds of electrode needle are except top layer and electrode connection circuit aspect are distinguished to some extent, its internal structure is identical with principle, specifically, the difference of single needle monopolar radio frequency ablating electrode pin of the present utility model and single needle bipolar radio frequency ablating electrode pin is as follows:
Structure aspects:
Single needle bipolar radio frequency ablating electrode pin just adds needle tubing 20 outside on the insulation rubber tube 7 outside the needle tubing 6 of single needle monopolar radio frequency ablating electrode pin, outer needle tubing 20 front ends are with an insulation cushion rubber 21 by it and syringe needle 1 isolated insulation, and outer needle tubing 20 surfaces are overlapped an external insulation sebific duct 19 again and melted heated perimeter to control.
The difference of electric aspect:
So monopolar needle electrode line 10 of the present utility model and electrode wires 11 are UNICOMs, jointly form an electrode of radio frequency ablation system main frame; Bipolar needle electrode line 10 and syringe needle 1 UNICOM, electrode wires 11 and outer needle tubing 20 UNICOMs, electrode wires 10 and electrode wires 11 form respectively two electrodes of negative and positive of radio frequency ablation system main frame.
In concrete enforcement of the present utility model, the selection of each parts is done to meticulous optimized choice, to guarantee the safety of radio-frequency ablation electrode needle of this utility model, Optimality, reliability, practicality etc., its biocompatibility meets the requirement of GB/T16886.1-2011.Wherein syringe needle 1, injecting liquid drug pipe 2, diversion steel pipe 4, needle tubing 6, outer needle tubing 20 grades adopt stainless steel 304, wall thickness 0.1～0.5mm, external diameter 0.5～2mm; The surface-coated layer of needle body insulation rubber tube 7, the bipolar pin of external insulation sebific duct 19(is used) employing politef, needle stand 8, needle holder core 9 and insulation cushion rubber 21 adopt plastic cement PC material, handle case 12 adopts ABS plastic rubber material, and plastic rubber material adopts injection mo(u)lding, and dimensionally stable intensity is high; Water inlet sebific duct 13, water outlet sebific duct 16, medicinal liquid sebific duct 14 adopts PU flexible pipe, and intensity is good, tension folding.Thermometric galvanic couple adopts K type or T-shaped thermocouple, and galvanic couple line adopts constantan wire enamel-covered wire diameter 0.1 ± 0.005mm.
Finally should be noted that; above embodiment is only in order to illustrate the technical solution of the utility model; but not restriction to this utility model protection domain; although this utility model has been done to explain with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; the technical solution of the utility model is modified or is equal to replacement, all belong to protection domain of the present utility model.
Claims (6)
1. a single needle monopolar radio frequency ablating electrode pin, comprises that needle body, handle and handle outreach, described needle body comprises syringe needle, injecting liquid drug pipe, point for measuring temperature, diversion steel pipe, galvanic couple wire, needle tubing, insulation rubber tube, described handle comprises handle case, needle stand, needle holder core, described handle outreaches and comprises water outlet sebific duct, medicinal liquid sebific duct, cable, water inlet sebific duct, described syringe needle is arranged at the front end of needle body, described syringe needle offers liquid medicine injection perforation, described needle tubing is arranged at the back segment of syringe needle, described injecting liquid drug pipe is arranged in needle tubing, described diversion steel pipe is arranged between injecting liquid drug pipe and needle tubing, described diversion steel pipe front end has a breach and is provided with thermometric galvanic couple, this thermometric galvanic couple is connected to described cable by described galvanic couple wire and is connected with ablation system main frame, it is characterized in that: described injecting liquid drug pipe, diversion steel pipe, needle tubing is circular stainless-steel pipe, the outside, rear end of described syringe needle is for welding the inner side that is tight with at described needle tubing, the rear inside of described syringe needle is also tight with at the outside of described injecting liquid drug pipe for welding, the liquid medicine injection perforation of described syringe needle is 1～8, described insulation rubber tube is covered in the outside of described needle tubing, and the outside of described needle tubing front portion is exposed.
2. single needle monopolar radio frequency ablating electrode pin according to claim 1, is characterized in that: the liquid medicine injection perforation of described syringe needle is communicated with the injecting liquid drug pipe of described needle tubing, and described injecting liquid drug pipe is directly connected with described medicinal liquid sebific duct through the inhalant region of needle stand.
3. single needle monopolar radio frequency ablating electrode pin according to claim 1, it is characterized in that: described handle is provided with the inhalant region and the exhalant region that independently separate separately, described diversion steel pipe rear end and inhalant region UNICOM, the region UNICOM between described exhalant region and diversion steel pipe outer wall and needle interior wall.
4. a single needle bipolar radio frequency ablating electrode pin, comprises that needle body, handle and handle outreach, described needle body comprises syringe needle, injecting liquid drug pipe, point for measuring temperature, diversion steel pipe, galvanic couple wire, needle tubing, insulation rubber tube, described handle comprises handle case, needle stand, needle holder core, described handle outreaches and comprises water outlet sebific duct, medicinal liquid sebific duct, cable, water inlet sebific duct, described syringe needle is arranged at the front end of needle body, described syringe needle offers liquid medicine injection perforation, described needle tubing is arranged at the back segment of syringe needle, described injecting liquid drug pipe is arranged in needle tubing, described diversion steel pipe is arranged between injecting liquid drug pipe and needle tubing, described diversion steel pipe front end has a breach and is provided with thermometric galvanic couple, this thermometric galvanic couple is connected to described cable by described galvanic couple wire and is connected with ablation system main frame, it is characterized in that: described insulation rubber tube is covered in the outside of described needle tubing, the arranged outside of described insulation rubber tube has outer needle tubing, between described outer needle tubing and syringe needle, be provided with insulation cushion rubber, the outer side covers of described outer needle tubing has external insulation sebific duct, and the outside of described outer needle tubing front portion is exposed, described injecting liquid drug pipe, diversion steel pipe, needle tubing, outer needle tubing are circular stainless-steel pipe, and the outside, rear end of described syringe needle is for welding the inner side that is tight with at described needle tubing, and the rear inside of described syringe needle is also tight with at the outside of described injecting liquid drug pipe for welding, the liquid medicine injection perforation of described syringe needle is 1～8.
5. single needle bipolar radio frequency ablating electrode pin according to claim 4, is characterized in that: the liquid medicine injection perforation of described syringe needle is communicated with the injecting liquid drug pipe of described needle tubing, and described injecting liquid drug pipe is directly connected with described medicinal liquid sebific duct through the inhalant region of needle stand.
6. single needle bipolar radio frequency ablating electrode pin according to claim 4, it is characterized in that: described handle is provided with the inhalant region and the exhalant region that independently separate separately, described diversion steel pipe rear end and inhalant region UNICOM, the region UNICOM between described exhalant region and diversion steel pipe outer wall and needle interior wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420007050.8U CN203677247U (en) | 2014-01-07 | 2014-01-07 | Single-needle single-pole radiofrequency ablation pole needle and single-needle double-pole radiofrequency ablation pole needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420007050.8U CN203677247U (en) | 2014-01-07 | 2014-01-07 | Single-needle single-pole radiofrequency ablation pole needle and single-needle double-pole radiofrequency ablation pole needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203677247U true CN203677247U (en) | 2014-07-02 |
Family
ID=50999225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420007050.8U Expired - Lifetime CN203677247U (en) | 2014-01-07 | 2014-01-07 | Single-needle single-pole radiofrequency ablation pole needle and single-needle double-pole radiofrequency ablation pole needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203677247U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105852858A (en) * | 2016-03-28 | 2016-08-17 | 西安富德医疗电子有限公司 | Disposable facial muscle needle electrode for medical use |
| CN112932657A (en) * | 2021-02-25 | 2021-06-11 | 南京康友医疗科技有限公司 | Radio frequency ablation electrode |
-
2014
- 2014-01-07 CN CN201420007050.8U patent/CN203677247U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105852858A (en) * | 2016-03-28 | 2016-08-17 | 西安富德医疗电子有限公司 | Disposable facial muscle needle electrode for medical use |
| CN112932657A (en) * | 2021-02-25 | 2021-06-11 | 南京康友医疗科技有限公司 | Radio frequency ablation electrode |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106264721B (en) | A kind of SAPMAC method ablation needle system | |
| CN203677247U (en) | Single-needle single-pole radiofrequency ablation pole needle and single-needle double-pole radiofrequency ablation pole needle | |
| CN207561978U (en) | A kind of novel microwave ablating electrode needle | |
| CN104287827A (en) | Renal sympathetic nerve removing radiofrequency ablation electrode and system | |
| CN102860868A (en) | Water injection system of double-pole operation electrode and method | |
| CN203122593U (en) | Water injection system of bipolar operation electrode | |
| CN204219038U (en) | A kind of radio frequency plasma procedures electrode | |
| CN2910139Y (en) | Cold circulation electrode | |
| CN203662897U (en) | Automatic smashing type water circulation low-temperature plasma multifunctional surgical knife | |
| CN216675890U (en) | Bipolar ablation needle for electroporation and focus ablation device | |
| CN203647465U (en) | Radiofrequency ablation electrode | |
| CN202010298U (en) | Liver and gall medicine feeding and flushing drainage device | |
| CN204814174U (en) | Microwave ablation antenna with inner catheter way | |
| CN207136906U (en) | Stereotaxis irrigates radio-frequency electrode system | |
| CN205433880U (en) | Radio frequency electrotomy device | |
| CN106236253B (en) | A kind of bypassing circulation sealing device of SAPMAC method ablation needle | |
| CN203354645U (en) | Renal sympathetic nerve removing radiofrequency ablation electrodes and radiofrequency ablation system | |
| CN203829040U (en) | Injection type microwave needle-like antenna for tumor ablation therapy | |
| CN210541810U (en) | Microwave ablation device for protecting peritumoral tissue | |
| CN1729944A (en) | Bipolar radio frequency knife | |
| CN106073891A (en) | Cold ion perfusion SAPMAC method autologous recovery cluster radio ablation system | |
| CN210250057U (en) | High-frequency electrocoagulation electric cutter with built-in water cooling system | |
| CN209301301U (en) | Plasma scalpel | |
| CN102488553A (en) | Special radiofrequency ablation electrode and technical method thereof | |
| CN105310766B (en) | Ablation catheter end electrodes with perfusion liquid functional |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200115 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: 421000 Hunan city of Hengyang province Zhuhui District No. 24 Yicun Heng 3 unit 401 Patentee before: Tang Huasong |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140702 |