CN105919668A - Multi-polar microwave ablation needle - Google Patents
Multi-polar microwave ablation needle Download PDFInfo
- Publication number
- CN105919668A CN105919668A CN201610238073.3A CN201610238073A CN105919668A CN 105919668 A CN105919668 A CN 105919668A CN 201610238073 A CN201610238073 A CN 201610238073A CN 105919668 A CN105919668 A CN 105919668A
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- Prior art keywords
- needle
- multipole
- needle point
- microwave
- handle
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
- A61B18/1815—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using microwaves
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00005—Cooling or heating of the probe or tissue immediately surrounding the probe
- A61B2018/00011—Cooling or heating of the probe or tissue immediately surrounding the probe with fluids
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
- A61B18/1815—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using microwaves
- A61B2018/1823—Generators therefor
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
- A61B18/1815—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using microwaves
- A61B2018/1869—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using microwaves with an instrument interstitially inserted into the body, e.g. needles
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
- A61B18/1815—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using microwaves
- A61B2018/1876—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using microwaves with multiple frequencies
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- Otolaryngology (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention provides a multi-polar microwave ablation needle, which comprises a multi-polar needle tip, a microwave coaxial cable and a fixed handle, wherein the multi-polar needle tip includes more than two needle tips; the multi-polar needle tip is fixedly connected to the microwave coaxial cable; a sliding handle, which is capable of sliding along the fixed handle, is arranged on the outer layer of the fixed handle; an outer tube, which covers the multi-polar needle tip, is fixedly connected to the far end of the sliding handle; both the multi-polar needle tip and the microwave coaxial cable are arranged in the outer tube; the sliding handle moves towards the far end and the outer tube moves away from the port, so that the multi-polar needle tip is folded; and the sliding handle moves towards the near end and the outer tube moves, so that the multi-polar needle tip is freely released and expanded. A strip-shaped groove is formed in the fixed handle; a bump is arranged at the near end of the sliding handle; and the bump on the sliding handle moves along the interior of the groove in the fixed handle.
Description
Technical field
The present invention relates to area of medical devices, particularly a kind of multipole microwave melt needle.
Background technology
Microwave Coagulation Therapy be a kind of tumor tissues is had heating efficient, quick, uniform, thermocoagulation thoroughly, user
Just, safety Therapeutic Method, be widely used to clinic for many years.Along with clinical deepens continuously, clinical for microwave
The requirement of ablation needle (antenna for radiating microwave) is more and more higher.In the prior art, the form of the most with good grounds tumor tissues
The syringe needle that melts choosing different length carries out ablation.And not according to the form of tumor tissues, select difform
Melt syringe needle, especially for the treatment of organella tumor, it is desirable to the scope melted is more accurate.
Summary of the invention
Goal of the invention: the technical problem to be solved is for the deficiencies in the prior art, it is provided that a kind of multipole microwave
Ablation needle.
In order to solve above-mentioned technical problem, the invention provides a kind of multipole microwave melt needle, including multipole needle point, microwave
Coaxial cable and fixed handle, described multipole needle point includes plural needle point, and described multipole needle point is fixedly attached to micro-
Ripple coaxial cable, fixed handle includes that Handheld Division and sliding part, described sliding part are provided with the slip can slided along fixed handle
Handle, sliding handle far-end fixes the outer tube connecting a cladding multipole needle point；
Sliding handle moves toward far-end, and outer tube moves, and distal outer tube port makes multipole needle point draw in, and sliding handle is toward near-end
Mobile, outer tube moves, and multipole needle point freely discharges and opens.
In the present invention, the sliding part of described fixed handle is provided with the groove of coaxial strip, described sliding handle near-end
Being provided with projection, described sliding projection moves in groove, thus limits the shift position of sliding handle.
In the present invention, being provided with and melt needle tubing in described outer tube, multipole needle point is positioned at and melts inside needle tubing.
In the present invention, described in melt needle tubing in be provided with dielectric, described multipole needle point is fixed on dielectric, described
Microwave coaxial cable is connected through dielectric with multipole needle point, and described microwave coaxial cable far-end connects through dielectric
To the near-end of multipole needle point, microwave coaxial cable near-end is connected to melt the high-frequency joint of needle tubing near-end.
In the present invention, described multipole needle point is to have the material of shape memory property to make.
In the present invention, described in melt needle tubing in be provided with microwave coaxial cable, described microwave coaxial cable far-end through insulation be situated between
Matter is connected to the near-end of multipole needle point, and microwave coaxial cable near-end is connected to melt the high-frequency joint of needle tubing near-end.
In the present invention, described multipole needle point includes three needle points, and the angle of three needle points is 120 °.
In the present invention, described multipole needle point includes four needle points, and the angle of four needle points is 90 °.
In the present invention, described multipole needle point includes six needle points, and the angle of six needle points is 60 °.
In the present invention, described multipole needle point includes ten needle points, and the angle of ten needle points is 36 °.
Beneficial effect: the peculiar moulding of microwave melt needle needle point is so that microwave ablation scope is mated with the form of tumor tissues, swollen
Do not slide between tumor tissue and needle body, reach more preferable therapeutic effect.Difference can be selected according to the form of tumor tissues
Shape melt syringe needle, especially for the treatment of organella tumor, use this ablation needle, can make the scope that melts more
Add precisely.
In other microwave ablation techniques existing, a kind of shape of ablation needle syringe needle.The no matter tumor tissues of which kind of shape
It is by selecting various sizes of ablation needle one pole syringe needle combine ablation power and melt duration three when carrying out ablative surgery
Person's co-controlling melts form.This ablation needle is controlled further by the quantity and different open angle increasing ablation needle syringe needle
Melt the function of form, by selecting various sizes of ablation needle syringe needle combine ablation power and melt the same of duration three
Shi Xuanyong difference root ablation needle syringe needle combines to reach to increase and is accurately controlled the purpose melting form, for abdominal cavity, breast
Chamber, the ablative surgery of organella tumor provide finer treatment means.
Accompanying drawing explanation
With detailed description of the invention the present invention done below in conjunction with the accompanying drawings and further illustrates, the present invention above-mentioned or its
Advantage in terms of him will become apparent.
Fig. 1 is the overall structure schematic diagram of the present invention；
Fig. 2 is that sliding handle is in outer tube schematic diagram；
Fig. 3 is the microwave melt needle vertical section structure schematic diagram of the present invention；
Fig. 4 is the microwave melt needle handle side sectional view of the present invention；
Fig. 5 is three pole needle point schematic diagrams；
Fig. 6 is quadrupole needle point schematic diagram；
Fig. 7 is six types of severe debility disease needle point schematic diagram；
Fig. 8 is ends of the earth needle point schematic diagram；
Fig. 9 is ten pole needle point schematic diagrams.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is elaborated.
Embodiment:
Such as Fig. 1, the present invention include multipole needle point 1, dielectric 2, microwave coaxial cable 3.1, high-frequency joint 3.2,
Water outlet joint 4.1, water outlet capillary tube 4.2, outlet pipe 4.3, water inlet pipe nipple 5, water inlet connection 5.1, enter
Water capillary tube 5.2, water inlet pipe 5.3, melt needle tubing 6, outer tube 6.1, water cavity 7, temperature sensor 8.1, temperature terminal
8.2, handle 10 and sliding handle 11；
Such as Fig. 2, including outer tube 13, fixed handle 12, protruding 9a and groove 12a, multipole needle point 1 include one with
On needle point, described in melt the inside of needle tubing 6 far-end and be provided with dielectric 2, described multipole needle point is fixedly attached to insulation
On medium 2, described in melt needle tubing 6 far-end outer ring and be provided with outer tube 13, outer tube 13 near-end is fixedly connected on sliding handle 11
On, pushing away before sliding handle 11, drive outer tube 11 to move forward, outer tube 11 far-end makes multipole needle point draw in, sliding handle 11
Retreating, move after driving outer tube 11, multipole needle point 1 opens.
Described fixed handle 12 is provided with the groove 12a of strip, and described sliding handle 11 near-end is provided with protruding 13a,
Projection on described sliding handle 11 moves in the groove 12a on fixed handle 12.
Spininess needle point 1 is the form of bending, is accommodated in parallel in needle tubing, during use, toward handle end driving handle, all
Needle point stretches out needle tubing, becomes uniformly bending regular, 360 degree to open form, and needle point is memory metal, after releasing needle tubing
It is rendered as original bending shape.
Dielectric 2 can be the insulant such as tetrafluoro insulant, pottery.
The front end inner core of microwave coaxial cable 3.1 uses crimping or welding procedure to be connected on and melt on syringe needle 1, and end is through absolutely
Edge medium 2 extends to melt in needle tubing 6, extends in water cavity 7 by melting needle tubing 6, with high-frequency joint 3.2 even
Connect.
As shown in Figure 3 and Figure 4, Fig. 3 is the microwave melt needle vertical section structure schematic diagram of the present invention, and Fig. 4 is the present invention
Microwave melt needle handle side sectional view, in microwave ablation needle tubing 6, have microwave coaxial cable 3.1 and water inlet capillary tube 5.2,
In handle 10, there is water cavity 7, have fixed mount 9 in the afterbody side of handle 10.Fixed mount 9 runs through and has for outward
The socket of portion's connector, include water inlet connection 5.1, water outlet joint 4.1, for connecting the connection of temperature sensor
Terminal 8.2,8.3 and high-frequency joint 3.2.Fixed mount 9 and handle 10 A in an angle of handle 10 afterbody side,
The pipeline that namely microwave melt needle is connect becomes included angle A with melting needle tubing 6 direction, and the included angle A shown in Fig. 4 is 90 °,
Angle typically can be between 90 °～150 °, with the handle 10 of such angle, compare and are easy to staff in operation
Time hold with a hand, the pipeline (micro-wave therapeutic line, water inlet pipe and water outlet pipe etc.) that microwave melt needle is connect simultaneously naturally droops so that
The stress intensity that microwave melt needle is produced by pipeline is stable, and stress direction is constant, easily facilitates staff accurately and stably
Operation.
The front end inner core of microwave coaxial cable 3.1 uses crimping or welding procedure to be connected on multipole needle point 1, and end is through absolutely
Edge medium 2 extends to melt in needle tubing 6, extends to, in water cavity 7, be connected with high-frequency joint 3.2 by melting needle tubing 6.
Operationally, the recirculated water that the part microwave coaxial cable 3.1 in melting needle tubing 6 is sputtered by water inlet capillary tube 5.2
Cooling, the part microwave coaxial cable 3.1 in water cavity 7 is by the circulating water in water cavity 7, microwave coaxial cable 3.1
It is also in water cavity 7 with the junction of high-frequency joint 3.2, during work, has circulating water all the time.Microwave coaxial cable 3.1
Generally hard coaxial microwave line, is used for transmitting microwave energy.High-frequency joint 3.2 is card-locked type coaxial fitting, on it
With elastic spring 3.3, locking patch plug in time connecting with micro-wave therapeutic line.In card-locked type coaxial fitting with
The insertion end of elastic spring 3.3 is male plug, and elastic spring 3.3 belongs to fatiguability parts, therefore is arranged on the most once
Property use microwave melt needle on, do not have the female of elastic spring to be arranged on nonexpondable micro-wave therapeutic line side.
Melt in the end of needle tubing 6 enters into handle 10 and connect with the head of water cavity 7.Position, water inlet connection 5.1 upper end
In water cavity 7 bottom chamber body wall, lower end is run through fixed mount 9 and is gone out and connect with water supply hose 5.3, water inlet connection 5.1
Upper end in water cavity 7 and capillary tube 5.2 joining distal ends, the front end of water inlet capillary tube 5.2 is extended water cavity 7 entrance and is disappeared
Melt in needle tubing 6, with microwave coaxial cable 3.1 side by side.The quantity of water inlet capillary tube 5.2 is one or more.Water inlet
Capillary tube 5.2 generally stainless steel material is made.Water outlet joint 4.1 upper end is positioned at water cavity 7 bottom chamber body wall, under
End runs through fixed mount 9 and connects with delivery hose 4.3, the water outlet joint 4.1 upper end in water cavity 7 and bend pipe 4.2
One end connects, and bend pipe 4.2 end extends to water cavity 7 afterbody.Operationally, water cavity 7 inner cooling water is by melting needle tubing 6
Flow into the junction of water cavity 7 head, bend pipe 4.2 end flow out, so that the cooling water in water cavity 7 fills all the time
Among full water chamber 7, and be in recurrent state, microwave coaxial cable in water cavity 7 and high-frequency joint cooling circulating water all the time.
Water cavity 7 wall is provided with temperature sensor 8.1, by insulated conductor and the temperature sensor being applied on fixed mount 9
Connection terminal 8.2,8.3 connect.Temperature sensor 8.1 is the temperature of recirculated water, temperature sensor in time measuring work
8.1 can be critesistor, and its certainty of measurement is up to ± 0.2 DEG C.
Such as Fig. 5 to Fig. 9, for the schematic diagram of multipole needle point, when implementing operation, select according to different tumor tissues forms
Difform melt needle point, melt result reaching best.
The invention provides a kind of multipole microwave melt needle, the method and the approach that implement this technical scheme are a lot, the above
It is only the preferred embodiment of the present invention, it is noted that for those skilled in the art, is not taking off
On the premise of the principle of the invention, it is also possible to make some improvements and modifications, these improvements and modifications also should be regarded as the present invention
Protection domain.Each ingredient the clearest and the most definite in the present embodiment all can use prior art to be realized.
Claims (9)
1. a multipole microwave melt needle, it is characterised in that include multipole needle point (1), microwave coaxial cable (3.1) and consolidate
Determining handle (12), described multipole needle point (1) includes plural needle point, and described multipole needle point (1) is fixing to be connected
To microwave coaxial cable (3.1), fixed handle (12) includes Handheld Division (12a) and sliding part (12b), described cunning
Dynamic portion (12b) is provided with the sliding handle (11) that can slide along fixed handle, and sliding handle (11) far-end is fixing to be connected
The outer tube (9) of one cladding multipole needle point (1)；
Sliding handle (11) moves toward far-end, and outer tube (11) is mobile, and outer tube (11) remote port makes multipole needle point draw in,
Sliding handle (11) moves toward near-end, and outer tube (11) is mobile, and multipole needle point (1) freely discharges and opens.
A kind of multipole microwave melt needle the most according to claim 1, it is characterised in that described fixed handle (12)
Sliding part (12b) is provided with the groove (12a) of coaxial strip, and described sliding handle (11) near-end is provided with projection
(9a), described sliding protruding (9a) moves in groove (12a), thus limits the mobile position of sliding handle (11)
Put.
A kind of multipole microwave melt needle the most according to claim 1, it is characterised in that described outer tube is provided with in (9)
Melting needle tubing (6), multipole needle point (1) is positioned at and melts needle tubing (6) inside.
A kind of multipole microwave melt needle the most according to claim 3, it is characterised in that described in melt in needle tubing (6)
Being provided with dielectric (2), described multipole needle point is fixed on dielectric (2), described microwave coaxial cable (3.1)
Being connected through dielectric (2) with multipole needle point, described microwave coaxial cable (3.1) far-end passes dielectric (2)
Being connected to the near-end of multipole needle point (1), microwave coaxial cable (3.1) near-end is connected to melt needle tubing (6) near-end
High-frequency joint.
A kind of multipole microwave melt needle the most according to claim 1, it is characterised in that described multipole needle point (1) is
The material having shape memory property is made.
A kind of multipole microwave melt needle the most according to claim 1, it is characterised in that described multipole needle point includes three
Needle point, the angle of three needle points is 120 °.
A kind of multipole microwave melt needle the most according to claim 1, it is characterised in that described multipole needle point includes four
Needle point, the angle of four needle points is 90 °.
A kind of multipole microwave melt needle the most according to claim 1, it is characterised in that described multipole needle point includes six
Needle point, the angle of six needle points is 60 °.
A kind of multipole microwave melt needle the most according to claim 1, it is characterised in that described multipole needle point includes ten
Needle point, the angle of ten needle points is 36 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610238073.3A CN105919668A (en) | 2016-04-15 | 2016-04-15 | Multi-polar microwave ablation needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610238073.3A CN105919668A (en) | 2016-04-15 | 2016-04-15 | Multi-polar microwave ablation needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105919668A true CN105919668A (en) | 2016-09-07 |
Family
ID=56839092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610238073.3A Pending CN105919668A (en) | 2016-04-15 | 2016-04-15 | Multi-polar microwave ablation needle |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106618732A (en) * | 2017-01-18 | 2017-05-10 | 南京康友医疗科技有限公司 | Heat condenser |
| CN106691587A (en) * | 2017-01-06 | 2017-05-24 | 南京康友医疗科技有限公司 | Efficient condenser |
| CN107007350A (en) * | 2017-05-22 | 2017-08-04 | 清华大学深圳研究生院 | Microwave melt needle and microwave ablation therapeutic equipment |
| CN108030548A (en) * | 2017-12-13 | 2018-05-15 | 南京康友医疗科技有限公司 | A kind of soft bar ablation needle of the microwave of reusable edible |
| CN108309444A (en) * | 2018-03-30 | 2018-07-24 | 广东百德医疗有限公司 | A kind of fluid injection and wicking structure suitable for microwave melt needle |
| CN108392264A (en) * | 2018-02-11 | 2018-08-14 | 安徽大中润科技有限公司 | Microwave ablation needle and manufacturing method thereof |
| CN109481014A (en) * | 2018-12-21 | 2019-03-19 | 南京康友医疗科技有限公司 | A kind of microwave ablation device with elastic bending radian |
| CN110051431A (en) * | 2019-05-27 | 2019-07-26 | 海南省妇幼保健院 | A kind of microwave ablation device of protection tumor week tissue |
| CN111603239A (en) * | 2020-04-22 | 2020-09-01 | 哈尔滨医科大学 | A microwave device for tumor ablation therapy |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106691587A (en) * | 2017-01-06 | 2017-05-24 | 南京康友医疗科技有限公司 | Efficient condenser |
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| CN108392264A (en) * | 2018-02-11 | 2018-08-14 | 安徽大中润科技有限公司 | Microwave ablation needle and manufacturing method thereof |
| CN108309444A (en) * | 2018-03-30 | 2018-07-24 | 广东百德医疗有限公司 | A kind of fluid injection and wicking structure suitable for microwave melt needle |
| CN109481014A (en) * | 2018-12-21 | 2019-03-19 | 南京康友医疗科技有限公司 | A kind of microwave ablation device with elastic bending radian |
| CN109481014B (en) * | 2018-12-21 | 2024-05-07 | 南京康友医疗科技有限公司 | Microwave ablation device with elastic bending radian |
| CN110051431A (en) * | 2019-05-27 | 2019-07-26 | 海南省妇幼保健院 | A kind of microwave ablation device of protection tumor week tissue |
| CN110051431B (en) * | 2019-05-27 | 2024-07-19 | 海南省妇幼保健院 | Microwave ablation device for protecting tissue around tumor |
| CN111603239A (en) * | 2020-04-22 | 2020-09-01 | 哈尔滨医科大学 | A microwave device for tumor ablation therapy |
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Application publication date: 20160907 |