CN102688094A - Cold tip temperature control fissure microwave ablation radiator - Google Patents
Cold tip temperature control fissure microwave ablation radiator Download PDFInfo
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- CN102688094A CN102688094A CN2012101841397A CN201210184139A CN102688094A CN 102688094 A CN102688094 A CN 102688094A CN 2012101841397 A CN2012101841397 A CN 2012101841397A CN 201210184139 A CN201210184139 A CN 201210184139A CN 102688094 A CN102688094 A CN 102688094A
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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 used for many years in international, China, and its curative effect has obtained affirming of world's medical matters circle.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 the prior art, when adopting microwave radiometer thyroid tumor ablation, can only solidify the thyroid tumor of diameter more than 2 centimetres; And diameter is carried out ablation less than 2 centimetres thyroid tumor, and also not good adoptable method, present radio-frequency electrode, microwave radiometer are when solidifying; When its thermal field diameter is 2 centimetres; The solidification zone that forms is an oblong, and the thermal field diameter is when being 4 centimetres, and the solidification zone of formation is be type sphere still.
Summary of the invention
In order to solve the deficiency that prior art exists, the object of the present invention is to provide a kind of cold sharp temperature control fissure type microwave ablation irradiator, can form spherical solidification zone when making thermal field less than 2 centimetres, can carry out ablation completely to thyroid tumor.
In order to accomplish 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 said rustless steel piercing needle is conical, and the cylindrical protrusions that is inserted in the said politef circle is arranged on the rounded bottom surface in its back-end;
Said rustless steel piercing needle is connected with said rustless steel shielding pipe through said politef circle, and said rigid coaxial cable is arranged in said rustless steel shielding pipe, and is connected with said microwave input seat through said cable connector;
Be formed with annular cavity between said rustless steel shielding pipe and the said rigid coaxial cable;
Said sealing ring is arranged in the annular cavity near the said rustless steel shielding pipe port of said politef circle;
Said closure member is arranged in the annular cavity of said rustless steel shielding pipe other port.
Wherein, the naked core line of said rigid coaxial cable one end, and between the cylindrical protrusions of said rustless steel piercing needle, formation is electrically connected.
Wherein, said cold sharp temperature control fissure type microwave ablation irradiator also comprises: water inlet pipe, return pipe, admitting pipe joint and returning pipe joint,
Said water inlet pipe and said return pipe place the ring-like inner chamber between said rustless steel shielding pipe and the said rigid coaxial cable; The rear end of said water inlet pipe is passed said sealing member and is connected with said admitting pipe joint, and the rear end of said return pipe is passed said sealing member and is connected with said returning pipe joint.
Wherein, said cold sharp temperature control fissure type microwave ablation irradiator also comprises temperature-sensitive element, temperature-sensitive element shielded-plate tube, and the thermometric joint;
One end of said temperature-sensitive element shielded-plate tube connects said thermometric joint, and the ring-like inner chamber that its other end passes between said rustless steel shielding pipe and the said rigid coaxial cable extends to the temperature-sensitive element that is positioned at said sealing ring.
Other features and advantages of the present invention will be set forth in description subsequently, and, partly from description, become obvious, perhaps understand through embodiment of the present invention.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of description, and and embodiments of the invention, be used to explain the present invention together, be 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 sketch map 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 is used for explanation and explains the present invention, and be not used in qualification the present invention.
Fig. 1 is according to cold sharp temperature control fissure type microwave ablation radiator structure sketch map of the present invention, and is as shown in Figure 1, and for ease of explanation, the left side is a front end among the figure, and the right is the 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 are conical, and a cylindrical protrusions is arranged on the rounded bottom surface in its back-end, and this cylindrical protrusions is inserted in the politef circle 2;
Rustless steel shielding pipe 4, its front end is fixedly connected with rustless steel piercing needle 1 through politef circle 2;
In rustless steel shielding pipe 4, a rigid coaxial cable 15 is arranged; One end of rigid coaxial cable 15 is a naked core line of peelling off crust; This naked core line is inserted in the politef circle 2, and is inserted between the cylindrical protrusions of rustless steel piercing needle 1 of politef circle 2, and formation is electrically connected; The other end of rigid coaxial cable 15 passes sealing member 7, and is connected with microwave input seat 13 through cable connector 12.
In near the rustless steel of politef circle 2 shielding pipe 4 port inner chambers, a sealing ring 3 is arranged, with form between rustless steel shielding pipe 4 and the rigid coaxial cable 15 annular cavity seal, temperature-sensitive element 10 is positioned at the inside of sealing ring 3.
One end of temperature-sensitive element shielded-plate tube 11 connects temperature-sensitive element 10, and the other end passes rustless steel shielding pipe 4 and is connected with thermometric joint 14 with closed ring inner chamber, the sealing member 7 that rigid coaxial cable 15 forms.
Cold sharp temperature control fissure type microwave ablation irradiator of the present invention adopts the rustless steel piercing needle as the fissure type microwave antenna, can directly puncture to thyroid tumor, and form the solidification zone of complete spheroid; Become waterway in the ring-like inner chamber between shielded-plate tube and rigid coaxial cable, guarantee can not damage normal structure; Through temperature-sensitive element, the temperature of organizing in the time of can accurately monitoring radiation heating, and heating-up temperature controlled reaches the purpose that constant temperature physical therapy, constant temperature are solidified.
One of ordinary skill in the art will appreciate that: the above is merely the preferred embodiments of the present invention; Be not limited to the present invention; Although the present invention has been carried out detailed explanation with reference to previous embodiment; For a person skilled in the art, it still can be made amendment to the technical scheme of aforementioned each embodiment record, perhaps part technical characterictic wherein is equal to replacement.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1. a cold sharp temperature control fissure type microwave ablation irradiator comprises, rustless steel piercing needle, politef circle, rustless steel shielding pipe, sealing ring, closure member, rigid coaxial cable, cable connector, and microwave input seat is characterized in that,
The front end of said rustless steel piercing needle is conical, and the cylindrical protrusions that is inserted in the said politef circle is arranged on the rounded bottom surface in its back-end;
Said rustless steel piercing needle is connected with said rustless steel shielding pipe through said politef circle, and said rigid coaxial cable is arranged in said rustless steel shielding pipe, and is connected with said microwave input seat through said cable connector;
Be formed with annular cavity between said rustless steel shielding pipe and the said rigid coaxial cable;
Said sealing ring is arranged in the annular cavity near the said rustless steel shielding pipe port of said politef circle;
Said closure member is arranged in the annular cavity of said rustless steel shielding pipe other port.
2. cold sharp temperature control fissure type microwave ablation irradiator according to claim 1 is characterized in that, the naked core line of said rigid coaxial cable one end, and keep certain slit between the cylindrical protrusions of said rustless steel piercing needle, formation is of coupled connections.
3. cold sharp temperature control fissure type microwave ablation irradiator according to claim 2 is characterized in that,
Said cold sharp temperature control fissure type microwave ablation irradiator also comprises: water inlet pipe, return pipe, admitting pipe joint and returning pipe joint,
Said water inlet pipe and said return pipe place the ring-like inner chamber between said rustless steel shielding pipe and the said rigid coaxial cable; The rear end of said water inlet pipe is passed said sealing member and is connected with said admitting pipe joint, and the rear end of said return pipe is passed said sealing member and is connected with said returning pipe joint.
4. according to each described cold sharp temperature control fissure type microwave ablation irradiator of claim 1-3, it is characterized in that said cold sharp temperature control fissure type microwave ablation irradiator also comprises temperature-sensitive element, temperature-sensitive element shielded-plate tube, and the thermometric joint;
One end of said temperature-sensitive element shielded-plate tube connects said thermometric joint, and the ring-like inner chamber that its other end passes between said rustless steel shielding pipe and the said rigid coaxial cable extends to the temperature-sensitive element that is positioned at said sealing ring.
Priority Applications (1)
| 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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| 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 true CN102688094A (en) | 2012-09-26 |
| CN102688094B CN102688094B (en) | 2014-07-23 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105520782A (en) * | 2016-02-02 | 2016-04-27 | 四川大学华西医院 | Water-cooled electromagnetic bleeding-stopping needle |
| CN106037929A (en) * | 2016-05-23 | 2016-10-26 | 方崇亮 | Thyroid nodule and tumor color Doppler imaging microwave treatment system and needle selection method |
| CN106761796A (en) * | 2016-11-22 | 2017-05-31 | 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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| 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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| CN202589655U (en) * | 2012-06-06 | 2012-12-12 | 王建新 | Cold-tip temperature control fissure type microwave ablation radiator |
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Patent Citations (6)
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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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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105520782A (en) * | 2016-02-02 | 2016-04-27 | 四川大学华西医院 | Water-cooled electromagnetic bleeding-stopping needle |
| CN105520782B (en) * | 2016-02-02 | 2018-05-29 | 四川大学华西医院 | A kind of water-cooled electromagnetism hemostatic needle |
| CN106037929A (en) * | 2016-05-23 | 2016-10-26 | 方崇亮 | Thyroid nodule and tumor color Doppler imaging microwave treatment system and needle selection method |
| CN106761796A (en) * | 2016-11-22 | 2017-05-31 | 东北大学 | Microwave stress release device and application on a kind of TBM for rock-burst prevention |
| 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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| Publication number | Publication date |
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| CN102688094B (en) | 2014-07-23 |
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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 |
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