CN201775679U - Water-cooled microwave ablation needle for bone tumor therapy - Google Patents
Water-cooled microwave ablation needle for bone tumor therapy Download PDFInfo
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- CN201775679U CN201775679U CN2010205201199U CN201020520119U CN201775679U CN 201775679 U CN201775679 U CN 201775679U CN 2010205201199 U CN2010205201199 U CN 2010205201199U CN 201020520119 U CN201020520119 U CN 201020520119U CN 201775679 U CN201775679 U CN 201775679U
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- bone tumor
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Abstract
A water-cooled microwave ablation needle for bone tumor therapy comprises a puncture needle, a needle rod, a handle, a water inlet pipe and a water outlet pipe, wherein the water inlet pipe and the water outlet pipe are fixed on the handle and a semi-rigid coaxial cable is disposed in the needle rod. The water-cooled microwave ablation needle for bone tumor therapy is characterized in that the ablation needle is further provided with an outer long sleeve and a stainless needle rod casing, the outer long sleeve is sleeved at the front section of the needle rod and made from an insulating material, the stainless needle rod casing is sleeved at the rear end of the rear section of the needle rod, the outer long sleeve is fixedly connected with the needle rod casing, the front end of the outer long sleeve is closed, and the puncture needle is coated inside the front end of the outer long sleeve. The water-cooled microwave ablation needle for bone tumor therapy is a surgical application instrument combining the microwave antenna transmission mechanism with the bone tumor microwave ablation technology scientifically. By the aid of the outer long sleeve and needle rod casing sleeved on the needle rod, selection of structure, shape, size and material of components of at the front end of the needle body and implementing of the cold pressing technique, the special splicing technique and the welding technique, high sharpness, strength, ductility and wear resistance of the needle body can be guaranteed, and high-power and efficiency of microwave transmission of the ablation needle can be realized. In addition, a microwave energy thermal effect area of the ablation needle is in the shape similar to a sphere.
Description
Technical field
This utility model relates to a kind of water-cooled microwave melt needle, belongs to the special-purpose technical field of medical instruments of tumour ablation treating.
Background technology
Along with modern science and technology and oncology's progress, nearly ten years for many years, and domestic microwave tumour ablation technology makes a breakthrough.Microwave tumour ablation technology is to utilize microwave energy effect tissue to produce heat effect, act on more than ten minute clock time of tumor tissues at microwave energy, the central temperature of its thermal field can reach more than 100 ℃, and tumor tissues is solidified under this high temperature moment, deactivation, reaches the purpose of tumour ablation treating.The efficient height of microwave tumour ablation art, wound is little, and depth of interaction and the equal may command of range size to organizing, so it is applicable to the ablative surgery of tumors such as liver, kidney, spleen and lungs.
Because osseous tissue and liver, kidney, spleen are different with the lungs tissue characteristics, so microwave bone tumor ablation techniques and operating theater instruments thereof become another branch.At present, the microwave bone tumor ablation needle of clinical use has the following disadvantages:
1 needle body front end operating temperature is too high, influences the radiating stability of microwave energy.
There is defective in 2 needle body front end microwave emitting structurals, restrict its output microwave power.
There is defective in 3 needle body front end microwave emitting structurals, cause the microwave heating effect district axially to be long spindle along needle body, are fit to requirements for clinical application not to the utmost.
4 needle structures and material, the incompatibility bone tumor is organized operating application.
The utility model content
Technical problem to be solved in the utility model is, overcome existing microwave melt needle power little, burn easily, and the microwave heating effect district axially is the defective of long spindle along needle body, a kind of bone tumor water-cooled microwave melt needle is provided, its needle body possesses high sharpness, high strength, high tenacity, high abrasion, and the power height is safe in utilization, and the microwave heating effect district is near spheroid.
In order to solve above technical problem, the bone tumor water-cooled microwave melt needle that this utility model provides, comprise: the puncture tartar, shank, handle, be fixed on water inlet pipe, outlet pipe on the handle, have one and half firm coaxial cables in the described shank, it is characterized in that: also have the long sleeve pipe of skin of the insulation material that is enclosed within the shank leading portion and the stainless steel outer sleeve shank that is enclosed within the shank back segment, the long sleeve pipe of described skin is fixedlyed connected with the overcoat shank, and the described outer long telescopic preceding end closure and the tartar that will puncture are wrapped in inside.
Further, in this utility model bone tumor water-cooled microwave melt needle, described puncture tartar's front end is cone or rhizoma sparganic cone, afterbody is a cylinder, its endoporus is affixed in the mode of colding pressing with the inner wire of half firm coaxial cable, be provided with one in the described shank and be enclosed within the outer aqueduct of half firm coaxial cable, described aqueduct and half is just between the coaxial cable outer wall, and have the gap between aqueduct and the shank inwall and form inlet channel and water outlet respectively, the shank rear end is provided with respectively and described water inlet pipe, the intake antrum that outlet pipe connects, water chamber, described intake antrum, water chamber is connected with water outlet with inlet channel respectively.
Further, this utility model bone tumor water-cooled microwave melt needle, also has the double hyer insulation dielectric-sleeve, the internal layer dielectric-sleeve is the pipe shape, the outer media sleeve pipe is a T type pipe shape, and described internal layer dielectric-sleeve encapsulation is on puncture tartar and half firm coaxial cable, and its front end pushes against puncture thorn cephalic par, described outer media casing pipe sleeve is contained on the internal layer dielectric-sleeve, and shank and outer media sleeve pipe rear end are fixed.
Further, this utility model bone tumor water-cooled microwave melt needle, the front portion of described aqueduct is provided with the water blockoff ring, and described water blockoff ring is fixing with half coaxial cable outer conductor welding just, the cylindrical of described water blockoff ring and the sealing-in of shank endoporus., described water blockoff ring is fixing with half coaxial cable outer conductor welding just, the cylindrical of described water blockoff ring and the sealing-in of shank endoporus.
Further, aqueduct front end described in the utility model has oblique groove, and offers apopore on the front end tube wall.
This utility model melts microwave energy antennamitter reason and is a kind of operating application apparatus with tumor microwave ablation science of technology ground.Encapsulation long sleeve pipe of described skin and outer shank, and the structure of part such as described needle body front terminal, geomery and material select and the enforcement of the technology of colding pressing, extraordinary adhesive technology, solder technology, guarantee high sharpness, high strength, high tenacity, the high abrasion of needle body, high-power and the high efficiency of its microwave emission, the microwave energy region of thermal effect is nearly sphere-like.The utlity model has sufficient cooling effect, guaranteed bone tumor water-cooled microwave melt needle at microwave output power the stability under the big and state that works long hours.
Experimental results show that: long sleeve pipe of described skin and outer shank have guaranteed high sharpness, high strength, high tenacity, the high abrasion of needle body, and outstanding in addition water-cooling system guarantees that microwave output power is big, efficient is high and the microwave energy region of thermal effect is nearly sphere-like.The sufficient water-cooled of this utility model has guaranteed the stability of bone tumor water-cooled microwave melt needle under big microwave output power and the state that works long hours, and the bar temperature outside the microwave heating effect district of needle body is no more than 45 ℃.
Description of drawings
Below in conjunction with accompanying drawing this utility model is further described.
Fig. 1 is this utility model bone tumor water-cooled microwave melt needle structural representation.
Fig. 2 is the internal needle body structure sketch map of this utility model bone tumor water-cooled microwave melt needle.
Fig. 3 is the A district enlarged drawing of Fig. 2.
Number in the figure is schematically as follows:
1-puncture tartar, 2-outer media sleeve pipe, 3-internal layer dielectric-sleeve, 4-half be coaxial cable, 5-" O " type sealing circle, 6-water blockoff ring, 7-shank, 8-aqueduct, 9-shank positioning sleeve, 10-handle, 11-water chamber, 12-water proof ring, 13-intake antrum, 14-apopore, 15-microwave coaxial adapter, 16-water inlet pipe, 17-outlet pipe, the outer long sleeve pipe of 18-, 19-overcoat shank just.
The specific embodiment
As shown in Figure 1 and Figure 2, the bone tumor water-cooled microwave melt needle that this utility model provides, comprise: the puncture tartar 1, shank 7, handle 10, be fixed on water inlet pipe 16, outlet pipe 17 on the handle 10, have one and half firm coaxial cables 4 in the shank 7, its improvements are: also have the long sleeve pipe 18 of skin of the insulation material that is enclosed within the shank leading portion and the stainless steel outer sleeve shank 19 that is enclosed within the shank back segment, outer long sleeve pipe 18 is fixedlyed connected with overcoat shank 19, and the preceding end closure of outer long sleeve pipe 18 and the tartar 1 that will puncture are wrapped in inside.Outer casing needle bar 19 pushes against outer long sleeve pipe 18 in this example, applies firm and solid both the fixing now in the bonding agent and the fourth of the twelve Earthly Branches.Among Fig. 2,15 is the microwave coaxial adapter.
As Fig. 2, shown in 3, in the present embodiment, puncture tartar's 1 front end is the rhizoma sparganic cone, afterbody is cylinder (also can be cone), its endoporus is affixed in the mode of colding pressing with the inner wire of half firm coaxial cable 4, be provided with an aqueduct 8 that is enclosed within outside the half firm coaxial cable 4 in the shank 7, aqueduct 8 and half is just between coaxial cable 4 outer walls, and have the gap between aqueduct 8 and shank 7 inwalls and form inlet channel and water outlet respectively, shank 7 rear ends are provided with respectively and water inlet pipe 16, the intake antrum 13 that outlet pipe 17 connects, water chamber 11, intake antrum 13, water chamber 11 is connected with water outlet with inlet channel respectively.Among Fig. 1,9 is the shank positioning sleeve, is used for fixing between shank and the handle, and 12 is the water proof ring, and it separates intake antrum and water chamber.
In the present embodiment as shown in Figure 3, this water-cooled microwave melt needle also has the double hyer insulation dielectric-sleeve, internal layer dielectric-sleeve 3 is the pipe shape, outer media sleeve pipe 2 is a T type pipe shape, internal layer dielectric-sleeve 3 encapsulations are on puncture tartar 1 and half firm coaxial cable 4, and its mating surface coating adhesive is fixed, and its front end pushes against puncture tartar 1 end, outer media sleeve pipe 2 is sleeved on the internal layer dielectric-sleeve 3, and shank 7 is fixed with outer media sleeve pipe 2 rear ends.The front portion of aqueduct 8 is provided with water blockoff ring 6, and water blockoff ring 6 is fixing with half coaxial cable 4 outer conductors welding just, and weld seam must not leak, seep water, the cylindrical of water blockoff ring 6 and shank 7 endoporus sealing-ins.The narrow groove of " O " type sealing snare 5 between water blockoff ring 6 and internal layer dielectric-sleeve 3 smeared bonding agent then.In order to make the cooling water pin of flowing through smoothly do innerly, in this example, aqueduct 8 front ends have oblique groove, and offer apopore 14 on the front end tube wall.
In addition to the implementation, this utility model can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of this utility model requirement.
Claims (5)
1. bone tumor water-cooled microwave melt needle, comprise: the puncture tartar, shank, handle, be fixed on water inlet pipe, outlet pipe on the handle, have one and half firm coaxial cables in the described shank, it is characterized in that: also have the long sleeve pipe of skin of the insulation material that is enclosed within the shank leading portion and the stainless steel outer sleeve shank that is enclosed within the shank back segment, the long sleeve pipe of described skin is fixedlyed connected with the overcoat shank, and the described outer long telescopic preceding end closure and the tartar that will puncture are wrapped in inside.
2. bone tumor water-cooled microwave melt needle according to claim 1, it is characterized in that: described puncture tartar's front end is cone or rhizoma sparganic cone, afterbody is a cylinder, its endoporus is affixed in the mode of colding pressing with the inner wire of half firm coaxial cable, be provided with one in the described shank and be enclosed within the outer aqueduct of half firm coaxial cable, described aqueduct and half is just between the coaxial cable outer wall, and have the gap between aqueduct and the shank inwall and form inlet channel and water outlet respectively, the shank rear end is provided with respectively and described water inlet pipe, the intake antrum that outlet pipe connects, water chamber, described intake antrum, water chamber is connected with water outlet with inlet channel respectively.
3. bone tumor water-cooled microwave melt needle according to claim 2, it is characterized in that: also have the double hyer insulation dielectric-sleeve, the internal layer dielectric-sleeve is the pipe shape, the outer media sleeve pipe is a T type pipe shape, described internal layer dielectric-sleeve encapsulation is on puncture tartar and half firm coaxial cable, its front end pushes against puncture thorn cephalic par, and described outer media casing pipe sleeve is contained on the internal layer dielectric-sleeve, and shank and outer media sleeve pipe rear end are fixed.
4. bone tumor water-cooled microwave melt needle according to claim 3 is characterized in that: the front portion that also has aqueduct is provided with the water blockoff ring, and described water blockoff ring is fixing with half coaxial cable outer conductor welding just, the cylindrical of described water blockoff ring and the sealing-in of shank endoporus.
5. bone tumor water-cooled microwave melt needle according to claim 4 is characterized in that: described aqueduct front end has oblique groove, and offers apopore on the front end tube wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205201199U CN201775679U (en) | 2010-09-07 | 2010-09-07 | Water-cooled microwave ablation needle for bone tumor therapy |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205201199U CN201775679U (en) | 2010-09-07 | 2010-09-07 | Water-cooled microwave ablation needle for bone tumor therapy |
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| CN201775679U true CN201775679U (en) | 2011-03-30 |
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| CN2010205201199U Expired - Lifetime CN201775679U (en) | 2010-09-07 | 2010-09-07 | Water-cooled microwave ablation needle for bone tumor therapy |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104323856A (en) * | 2014-11-11 | 2015-02-04 | 南京维京九洲医疗器械研发中心 | Manufacturing method of non-magnetic water-cooled microwave ablation needle |
| CN104546126A (en) * | 2015-01-21 | 2015-04-29 | 范卫君 | Microwave ablation antenna for interventional treatment of lung cancer |
| CN104688335A (en) * | 2015-03-16 | 2015-06-10 | 郑加生 | Microwave ablation antenna for large hepatic cellular cancer treatment |
| CN104688336A (en) * | 2015-03-16 | 2015-06-10 | 陈勇辉 | Dedicated kidney cancer microwave ablation antenna of laparoscope |
| CN106725842A (en) * | 2016-12-01 | 2017-05-31 | 北京恒福思特科技发展有限责任公司 | A kind of microwave melt needle |
| CN106806019A (en) * | 2015-12-02 | 2017-06-09 | 堃博生物科技（上海）有限公司 | A kind of microwave ablation device |
| CN109247984A (en) * | 2018-09-29 | 2019-01-22 | 南京亿高微波系统工程有限公司 | A kind of microwave melt needle with water cold sleeve applied under Bronchofiberscope |
| CN109432572A (en) * | 2018-10-16 | 2019-03-08 | 昕涌医疗器械(上海)有限公司 | A kind of rotary drive interposing catheter having perfusion functional |
| CN111603239A (en) * | 2020-04-22 | 2020-09-01 | 哈尔滨医科大学 | Microwave device for tumor ablation treatment |
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2010
- 2010-09-07 CN CN2010205201199U patent/CN201775679U/en not_active Expired - Lifetime
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| JP2017527359A (en) * | 2014-11-11 | 2017-09-21 | 南京維京九洲医療器械研発中心Ｎａｎｊｉｎｇ Ｖｉｓｏｎ−Ｃｈｉｎａ Ｍｅｄｉｃａｌ Ｄｅｖｉｃｅｓ Ｒ ＆ Ｄ Ｃｅｎｔｅｒ | Method for producing non-magnetic water-cooled microwave ablation needle |
| US10874458B2 (en) * | 2014-11-11 | 2020-12-29 | Nanjing Vison-China Medical Devices R & D Center | Manufacturing method for non-magnetic water-cooled microwave ablation needle |
| CN104323856A (en) * | 2014-11-11 | 2015-02-04 | 南京维京九洲医疗器械研发中心 | Manufacturing method of non-magnetic water-cooled microwave ablation needle |
| US20170296269A1 (en) * | 2014-11-11 | 2017-10-19 | Nanjing Vison-China Medical Devices R & D Center | Manufacturing method for non-magnetic water-cooled microwave ablation needle |
| WO2016074344A1 (en) * | 2014-11-11 | 2016-05-19 | 南京维京九洲医疗器械研发中心 | Manufacturing method for non-magnetic water-cooled microwave ablation needle |
| EP3165191A4 (en) * | 2014-11-11 | 2017-08-30 | Nanjing Vison-China Medical Devices R&D Center | Manufacturing method for non-magnetic water-cooled microwave ablation needle |
| CN104546126A (en) * | 2015-01-21 | 2015-04-29 | 范卫君 | Microwave ablation antenna for interventional treatment of lung cancer |
| CN104688336A (en) * | 2015-03-16 | 2015-06-10 | 陈勇辉 | Dedicated kidney cancer microwave ablation antenna of laparoscope |
| CN104688335B (en) * | 2015-03-16 | 2018-02-23 | 南京维京九洲医疗器械研发中心 | A kind of microwave ablation antenna for being used to treat big liver cancer |
| CN104688335A (en) * | 2015-03-16 | 2015-06-10 | 郑加生 | Microwave ablation antenna for large hepatic cellular cancer treatment |
| CN106806019A (en) * | 2015-12-02 | 2017-06-09 | 堃博生物科技（上海）有限公司 | A kind of microwave ablation device |
| CN106725842A (en) * | 2016-12-01 | 2017-05-31 | 北京恒福思特科技发展有限责任公司 | A kind of microwave melt needle |
| CN106725842B (en) * | 2016-12-01 | 2024-04-05 | 北京恒福思特科技发展有限责任公司 | Microwave ablation needle |
| CN109247984A (en) * | 2018-09-29 | 2019-01-22 | 南京亿高微波系统工程有限公司 | A kind of microwave melt needle with water cold sleeve applied under Bronchofiberscope |
| CN109247984B (en) * | 2018-09-29 | 2024-01-12 | 南京亿高医疗科技股份有限公司 | Microwave ablation needle with water-cooling sleeve applied under bronchofiberscope |
| CN109432572A (en) * | 2018-10-16 | 2019-03-08 | 昕涌医疗器械(上海)有限公司 | A kind of rotary drive interposing catheter having perfusion functional |
| CN111603239A (en) * | 2020-04-22 | 2020-09-01 | 哈尔滨医科大学 | Microwave device for tumor ablation treatment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: NANJING WEIJINGJIUZHOU MEDICAL EQUIPMENT RESEARCHA Free format text: FORMER NAME: NANJING QINGHAI MICROWAVE ELECTRONICS INST. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 210003, Zhongshan North Road, Jiangsu, Nanjing, No. 216 and building 5 days Patentee after: NANJING VISON JIUZHOU MEDICAL EQUIPMENT RESEARCH AND DEVELOPMENT CENTER Address before: 210003, Zhongshan North Road, Jiangsu, Nanjing, No. 216 and building 5 days Patentee before: Nanjing Qinghai Microwave Electronic Research Institute |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110330 |