CN102688094B - Cold tip temperature control fissure microwave ablation radiator - Google Patents
Cold tip temperature control fissure microwave ablation radiator Download PDFInfo
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- CN102688094B CN102688094B CN201210184139.7A CN201210184139A CN102688094B CN 102688094 B CN102688094 B CN 102688094B CN 201210184139 A CN201210184139 A CN 201210184139A CN 102688094 B CN102688094 B CN 102688094B
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- rustless steel
- pipe
- coaxial cable
- temperature control
- stainless steel
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Abstract
The invention discloses a cold tip temperature control fissure microwave ablation radiator, which comprises a stainless steel puncture needle, a polytetrafluoroethylene ring, a stainless steel shielding tube, a sealing ring, a closed piece, a hard coaxial cable, a cable connector and a microwave input seat. The front end of the stainless steel puncture needle is in a conical shape and the round bottom face of the rear end has a cylindrical boss; the stainless steel puncture needle is connected with the stainless steel shielding tube through the polytetrafluoroethylene ring; the hard coaxial cable is positioned in the stainless steel shielding tube and is connected with the microwave input seat through a cable connector; an annular inner cavity is formed between the stainless steel shielding tube and the hard coaxial cable; and the sealing ring is positioned in the annular inner cavity of the end port, which is close to the polytetrafluoroethylene ring, of the stainless steel shielding tube; and the closed piece is positioned in the annular inner cavity of the other port of the stainless steel shielding tube. The cold tip temperature control fissure microwave ablation radiator can directly puncture thyroid tumor which is less than 2 centimeters and form a spherical condensing area, thereby radically ablating the thyroid tumor.
Description
Technical field
The present invention relates to a kind of microwave instrument for operation, relate in particular to a kind of irradiator of microwave instrument for operation.
Background technology
Micro-wave therapeutic has been applied for many years in international, China, and its curative effect has obtained affirming of world's medical matters circle.In when operation with its superior haemostatic effect, advanced action principle, small tissue injury, and be called replace fulgerize, the new technique of freezing, laser.
In prior art, while adopting microwave radiometer thyroid tumor ablation, can only solidify 2 centimetres of above thyroid tumor of diameter, and being less than to the thyroid tumor of 2 centimetres, diameter carries out ablation, the adoptable method also not had, and current radio-frequency electrode, microwave radiometer are when solidifying, when its thermal field diameter is 2 centimetres, the solidification zone forming is oblong, and thermal field diameter is while being 4 centimetres, and the solidification zone of formation is still that class is spherical.
Summary of the invention
The deficiency existing in order to solve prior art, the object of the present invention is to provide a kind of cold sharp temperature control fissure type microwave ablation irradiator, while making thermal field be less than 2 centimetres, can form spherical solidification zone, to thyroid tumor, can carry out ablation thoroughly.
In order to complete above-mentioned purpose, cold sharp temperature control fissure type microwave ablation irradiator of the present invention, comprises, rustless steel piercing needle, politef circle, rustless steel shielding pipe, sealing ring, closure member, rigid coaxial cable, cable connector, and microwave input seat, wherein
The front end of described rustless steel piercing needle is conical, has in its back-end a cylindrical protrusions being inserted in described politef circle on rounded bottom surface;
Described rustless steel piercing needle is connected with described rustless steel shielding pipe by described politef circle, and described rigid coaxial cable is arranged in described rustless steel shielding pipe, and is connected with described microwave input seat by described cable connector;
Between described rustless steel shielding pipe and described rigid coaxial cable, be formed with annular cavity;
Described sealing ring is arranged in the annular cavity near the described rustless steel shielding pipe port of described politef circle;
Described closure member is arranged in the annular cavity of described rustless steel shielding pipe other port.
Wherein, the naked core line of described rigid coaxial cable one end, and between the cylindrical protrusions of described rustless steel piercing needle, form electrical connection.
Wherein, described cold sharp temperature control fissure type microwave ablation irradiator also comprises: water inlet pipe, return pipe, admitting pipe joint and returning pipe joint,
Described water inlet pipe and described return pipe are placed in the ring-like inner chamber between described rustless steel shielding pipe and described rigid coaxial cable, the rear end of described water inlet pipe is connected with described admitting pipe joint through described sealing member, and the rear end of described return pipe is connected with described returning pipe joint through described sealing member.
Wherein, described cold sharp temperature control fissure type microwave ablation irradiator also comprises temperature-sensitive element, temperature-sensitive element shielded-plate tube, and thermometric joint;
One end of described temperature-sensitive element shielded-plate tube connects described thermometric joint, and its other end extends to through the ring-like inner chamber between described rustless steel shielding pipe and described rigid coaxial cable the temperature-sensitive element that is positioned at described sealing ring.
Other features and advantages of the present invention will be set forth in the following description, and, partly from description, become apparent, or understand by implementing the present invention.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for description, and and embodiments of the invention, one is used from explanation the present invention, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is according to cold sharp temperature control fissure type microwave ablation radiator structure schematic diagram of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein, only for description and interpretation the present invention, is not intended to limit the present invention.
Fig. 1 is according to cold sharp temperature control fissure type microwave ablation radiator structure schematic diagram of the present invention, and as shown in Figure 1, for ease of explanation, in figure, the left side is front end, and the right is rear end.Cold sharp temperature control fissure type microwave ablation irradiator of the present invention, comprise rustless steel piercing needle 1, politef circle 2, sealing ring 3, rustless steel shielding pipe 4, water inlet pipe 5, return pipe 6, sealing member 7, admitting pipe joint 8, returning pipe joint 9, temperature-sensitive element 10, temperature-sensitive element shielded-plate tube 11, cable connector 12, microwave input seat 13, thermometric joint 14, and rigid coaxial cable 15.
Rustless steel piercing needle 1, its front end is conical, has in its back-end a cylindrical protrusions on rounded bottom surface, this cylindrical protrusions is inserted in politef circle 2;
Rustless steel shielding pipe 4, its front end is fixedly connected with rustless steel piercing needle 1 by politef circle 2;
In rustless steel shielding pipe 4, there is a rigid coaxial cable 15, one end of rigid coaxial cable 15 is the naked core line of peelling off crust, this naked core line is inserted in politef circle 2, and is inserted between the cylindrical protrusions of rustless steel piercing needle 1 of politef circle 2, forms electrical connection; The other end of rigid coaxial cable 15 passes sealing member 7, and is connected by cable connector 12 and microwave input seat 13.
In the rustless steel shielding pipe 4 port inner chambers near politef circle 2, have a sealing ring 3, by between rustless steel shielding pipe 4 and rigid coaxial cable 15, form annular cavity seal, temperature-sensitive element 10 is positioned at the inside of sealing ring 3.
Water inlet pipe 5 and return pipe 6 are placed in the ring-like inner chamber between rustless steel shielding pipe and rigid coaxial cable 15, and the front end of water inlet pipe 5 is positioned near sealing ring 3, and its rear end is connected with admitting pipe joint 8 through sealing member 7; The front end of return pipe 6 is positioned at the rear portion of rustless steel shielding pipe 4 near sealing member 7 places, and its rear end is connected with returning pipe joint 9 through sealing member 7.Like this, self sealss circle 3 is between sealing member 7, the closed ring inner chamber being formed by rustless steel shielding pipe 4 and rigid coaxial cable 15 becomes waterway, and cooling water can carry out by water inlet pipe 5 and return pipe 6 cooling continuously effectively to this cavity, make its temperature stabilization 20 ℃ of left and right.Because this waterway and rustless steel piercing needle 1 have politef circle 2 to isolate, waterway is very little on the temperature impact of rustless steel piercing needle 1.The temperature of rustless steel piercing needle 1 can accurately be set within the scope of 65 1 80 ℃ ± 1 ℃.The present invention, through experimental verification, has good therapeutic effect.
One end of temperature-sensitive element shielded-plate tube 11 connects temperature-sensitive element 10, and the other end is connected with thermometric joint 14 with closed ring inner chamber, sealing member 7 that rigid coaxial cable 15 forms through rustless steel shielding pipe 4.
Cold sharp temperature control fissure type microwave ablation irradiator of the present invention, adopts rustless steel piercing needle as fissure type microwave antenna, can directly puncture to thyroid tumor, and form the solidification zone of complete spheroid; In ring-like inner chamber between shielded-plate tube and rigid coaxial cable, become waterway, guarantee can not damage normal structure; By temperature-sensitive element, the temperature of organizing in the time of can accurately monitoring radiation heating, and heating-up temperature is controlled, reaches the object that constant temperature physiotherapy, constant temperature solidify.
One of ordinary skill in the art will appreciate that: the foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, although the present invention is had been described in detail with reference to previous embodiment, for a person skilled in the art, its technical scheme that still can record aforementioned each embodiment be modified, or part technical characterictic is wherein equal to replacement.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (3)
1. a cold sharp temperature control fissure type microwave ablation irradiator, comprises, rustless steel piercing needle, politef circle, rustless steel shielding pipe, sealing ring, sealing member, rigid coaxial cable, cable connector, and microwave input seat, is characterized in that,
The front end of described rustless steel piercing needle is conical, has in its back-end a cylindrical protrusions being inserted in described politef circle on rounded bottom surface;
Described rustless steel piercing needle is connected with described rustless steel shielding pipe by described politef circle, and described rigid coaxial cable is arranged in described rustless steel shielding pipe, and is connected with described microwave input seat by described cable connector;
Between described rustless steel shielding pipe and described rigid coaxial cable, be formed with annular cavity;
Described sealing ring is arranged in the annular cavity near the described rustless steel shielding pipe port of described politef circle;
Described sealing member is arranged in the annular cavity of described rustless steel shielding pipe other port;
The naked core line of described rigid coaxial cable one end, and between the cylindrical protrusions of described rustless steel piercing needle, keep certain gap, formation is of coupled connections.
2. cold sharp temperature control fissure type microwave ablation irradiator according to claim 1, is characterized in that,
Described cold sharp temperature control fissure type microwave ablation irradiator also comprises: water inlet pipe, return pipe, admitting pipe joint and returning pipe joint,
Described water inlet pipe and described return pipe are placed in the ring-like inner chamber between described rustless steel shielding pipe and described rigid coaxial cable, the rear end of described water inlet pipe is connected with described admitting pipe joint through described sealing member, and the rear end of described return pipe is connected with described returning pipe joint through described sealing member.
3. according to the cold sharp temperature control fissure type microwave ablation irradiator described in claim 1-2 any one, it is characterized in that, described cold sharp temperature control fissure type microwave ablation irradiator also comprises temperature-sensitive element, temperature-sensitive element shielded-plate tube, and thermometric joint;
One end of described temperature-sensitive element shielded-plate tube connects described thermometric joint, and its other end extends to through the ring-like inner chamber between described rustless steel shielding pipe and described rigid coaxial cable the temperature-sensitive element that is positioned at described sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210184139.7A CN102688094B (en) | 2012-06-06 | 2012-06-06 | Cold tip temperature control fissure microwave ablation radiator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210184139.7A CN102688094B (en) | 2012-06-06 | 2012-06-06 | Cold tip temperature control fissure microwave ablation radiator |
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| CN102688094A CN102688094A (en) | 2012-09-26 |
| CN102688094B true CN102688094B (en) | 2014-07-23 |
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| CN201210184139.7A Expired - Fee Related CN102688094B (en) | 2012-06-06 | 2012-06-06 | Cold tip temperature control fissure microwave ablation radiator |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105520782B (en) * | 2016-02-02 | 2018-05-29 | 四川大学华西医院 | A kind of water-cooled electromagnetism hemostatic needle |
| CN106037929B (en) * | 2016-05-23 | 2019-07-26 | 方崇亮 | A kind of color ultrasound imaging microwave therapeutic system and microwave radiation probe recognition method |
| CN106761796B (en) * | 2016-11-22 | 2018-08-28 | 东北大学 | Microwave stress release device and application on a kind of TBM for rock-burst prevention |
| 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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| EP2060239A1 (en) * | 2007-11-16 | 2009-05-20 | Vivant Medical, Inc. | Dynamically matched microwave antenna for tissue ablation |
| CN101711705A (en) * | 2009-11-18 | 2010-05-26 | 南京康友微波能应用研究所 | Microwave ablation needle and microwave ablation therapeutic apparatus thereof |
| CN202589655U (en) * | 2012-06-06 | 2012-12-12 | 王建新 | Cold-tip temperature control fissure type microwave ablation radiator |
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| US5741249A (en) * | 1996-10-16 | 1998-04-21 | Fidus Medical Technology Corporation | Anchoring tip assembly for microwave ablation catheter |
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| EP2060239A1 (en) * | 2007-11-16 | 2009-05-20 | Vivant Medical, Inc. | Dynamically matched microwave antenna for tissue ablation |
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| 孙丹 等.一种宽带缝隙耦合微带天线.《现代雷达》.2009,第31卷(第4期), |
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Application publication date: 20120926 Assignee: Beijing Mu Yu Yu Electronics Co., Ltd. Assignor: Wang Jianxin Contract record no.: 2015990000069 Denomination of invention: Cold tip temperature control fissure microwave ablation radiator Granted publication date: 20140723 License type: Exclusive License Record date: 20150215 |
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Granted publication date: 20140723 Termination date: 20190606 |