CN205903307U - Microwave ablation needle under visual scope that has a distal end temperature measurement function - Google Patents
Microwave ablation needle under visual scope that has a distal end temperature measurement function Download PDFInfo
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- CN205903307U CN205903307U CN201620507690.4U CN201620507690U CN205903307U CN 205903307 U CN205903307 U CN 205903307U CN 201620507690 U CN201620507690 U CN 201620507690U CN 205903307 U CN205903307 U CN 205903307U
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Abstract
The utility model provides a microwave ablation needle under visual scope that has a distal end temperature measurement function, characterized by includes microwave syringe needle (1), macromolecular material multicavity outer tube (2), little wave transmission cable (3), little wave transmission cable inner conductor (3 1 ), visual probe (4), first miniature temperature measurement needle (5), second miniature temperature measurement needle (6), microwave needle handle anterior (8), microwave needle cooling water joint (9), microwave receiving connects (10) and microwave needle handle afterbody (11). The utility model discloses increased through seal wire guide function, or visual function to and locate respectively to increase a temperature probe in distal end 5mm department and 10mm, and can melt near the accurate temperature in tissue by the precision measurement, avoid melting the time overlength, the area is too big, causes the chamber to say and perforates, and complication such as damage say for the doctor develoies the chamber that interior tumour ablation treatment provides probably, are treatment meanss that has potentiality and have good application prospect.
Description
Technical field
The utility model is related to a kind of visualization and has microwave melt needle under the scope of far-end temp sensing function.
Background technology
Microwave ablation is more than the 10 years development thermal ablation techniques being used for oncotherapy faster.Microwave is to biological tissue
Heater be formed with two aspects: one is dipole heating, is also the principal element of heating using microwave.In frequency > 900mhz micro-
Under ripple electromagnetic field effect, the dipole charge polarity such as hydrone of intra-tumor is unbalance, changes rapidly with the alternation of microwave electric field
Direction, with the frequency upset per second more than million times simultaneously mutual frictional impact, producing substantial amounts of heat makes tissue degeneratiaon's necrosis；Separately
On the one hand it is Ion Heating, in-house ion, in the presence of microwave electromagnetic field, also changes direction rapidly and produces vibration simultaneously
Mutually collide, make kinetic energy be changed into heat energy.It can be seen that the heating process of microwave is to be organized in active heat production in the presence of electromagnetic field,
It is rapidly reached high temperature in short time.Compared with radio frequency and laser ablation, microwave ablation has programming rate soon, coagulation vessel ability
By force, affected by blood flow factor little, can multiple antennas be acted on, normal freezing scope is larger and the features such as stablizing, becomes heating ablation simultaneously
Great potential and treatment means having applications well prospect in ablation in treatment and cavity.Also can replace completely and penetrate
Frequency ablation, in biliary tract, pancreas cavity, plays a significant role in the treatment of the natural cavity such as enteron aisle.
Traditional microwave melt needle is all to puncture through external, in ct, under the ultrasonic or guiding of x-ray, enters lesions position
Tumour is treated.
Because ct, ultrasonic or x-ray are all intervention bidimensional image images it is impossible to directly observe lesions position under direct-view,
It is unable to a range of real-time accurate temperature of accurate measurement distance microwave transmitting antenna, past only data setting microwave by rule of thumb
Power and working time, to reach the temperature and time needed for lesions position ablation, there is certain limitation and accurately
The problems such as degree is not enough.
Utility model content
The purpose of this utility model is microwave melt needle under the scope providing a kind of visualization to have far-end temp sensing function, pin
To under scope or traditional puncture microwave melt needle, increased through seal wire guiding function, or visualization function, and in far-end
At 5mm and 10mm place each increase a temperature probe, can be with the accurate temperature near accurate measurement ablation tissue, it is to avoid during ablation
Between long, area is excessive, cause cavity bore a hole, the complication such as breakage, be doctor carry out cavity in tumour ablation treating provide
May, it is a great potential and the treatment means having applications well prospect.
The technical solution of the utility model is:
A kind of visualization has microwave melt needle under the scope of far-end temp sensing function, including microwave syringe needle (1), macromolecule material
Material multi-cavity outer tube (2), microwave transmission cable (3), microwave transmission cable inner conductor (3-1), visual probe (4), the first miniature survey
Warm pin (5), the second miniature thermometric needle (6), microwave needle handle front portion (8), microwave needle warter connection (9), microwave receiving joint
(10) and microwave needle handle afterbody (11), comprises inside described macromolecular material multi-cavity outer tube (2) to be provided with visual probe (4)
Probe chamber, cooling water inlet pipe chamber (12), cooling water outlet pipe chamber (13) and thermometric tube chamber (14), microwave syringe needle (1) and setting
Connect in the cable inner conductor (3-1) of the internal microwave transmission cable (3) of macromolecular material multi-cavity outer tube (2), microwave syringe needle (1)
It is arranged on macromolecular material multi-cavity outer tube (2) front end, the first miniature thermometric needle (5) and the second miniature thermometric needle (6) are respectively provided with
In cooling water outlet pipe chamber (13) and thermometric tube chamber (14), cooling water inlet pipe chamber (12) and cooling water outlet pipe chamber (13) exist
Connection inside microwave syringe needle (1), visual probe (4) is stretched out from macromolecular material multi-cavity outer tube (2), and microwave syringe needle (1) is in microwave
It is connected with microwave receiving joint (10) inside pin handle front portion (8), cooling water inlet pipe chamber (12) are in microwave needle handle front portion (8)
Inside is connected with microwave needle warter connection (9), and microwave needle handle front portion (8) is connected with microwave needle handle afterbody (11).
It is provided with microwave needle locating piece (7) outside described macromolecular material multi-cavity outer tube (2).
Described macromolecular material multi-cavity outer tube (2) adopts high-strength electric insulation material polyether-ether-ketone.
The beneficial effects of the utility model are:
The utility model is related to a kind of visualization and has microwave melt needle under the scope of far-end temp sensing function, changes tradition micro-
Ripple ablation needle can only be punctured in vitro by intervention and reach lesions position and carry out ablation, and the utility model can allow microwave needle exist
Under seal wire or visual probe guiding, directly arrive at lesions position, simultaneously at the 5mm of the utility model microwave needle front end and each at 10mm
There is a temperature probe, can be with the accurate temperature near accurate measurement ablation tissue.Doctor can determine in real time according to this information
Ablation time, to reach the accurate effect treated and melt.Especially to the oncotherapy in natural cavity, and seal wire is needed to draw
Lead the lesions position that just can arrive at, such as biliary tract, pancreas, vena portae hepatica, in the cavity such as enteron aisle, tumour ablation treating provides possibility,
It is a kind of great potential and the new therapeutic means having applications well prospect.
Brief description
Fig. 1 is shown as the overall structure generalized section of ablation needle of the present utility model.
Fig. 2 is the close-up schematic view of the part of i in Fig. 1.
Fig. 3 is along b-b direction sectional view in Fig. 2.
Fig. 4 is along c-c direction sectional view in Fig. 2.
Fig. 5 is along d-d direction sectional view in Fig. 2.
Fig. 6 is microwave needle locating piece of the present utility model, microwave needle handle front portion, microwave needle warter connection, microwave connect
Receive the annexation schematic diagram of joint and microwave needle handle afterbody.
Fig. 7 is the part-structure generalized section of ablation needle of the present utility model.
Fig. 8 is shown as the close-up schematic view of ii in Fig. 7.
Specific embodiment
Below in conjunction with the accompanying drawings the utility model is further described:
As Fig. 1 to Fig. 8, a kind of visualization has microwave melt needle under the scope of far-end temp sensing function, it is characterized in that including
Microwave syringe needle (1), macromolecular material multi-cavity outer tube (2), microwave transmission cable (3), microwave transmission cable inner conductor (3-1), can
Depending on popping one's head in (4), the first miniature thermometric needle (5), the second miniature thermometric needle (6), microwave needle handle front portion (8), microwave needle cooling water
Joint (9), microwave receiving joint (10) and microwave needle handle afterbody (11), bag inside described macromolecular material multi-cavity outer tube (2)
Containing the probe chamber, cooling water inlet pipe chamber (12), cooling water outlet pipe chamber (13) and the thermometric tube chamber that are provided with visual probe (4)
(14), lead in the cable of microwave syringe needle (1) the microwave transmission cable (3) internal with being arranged on macromolecular material multi-cavity outer tube (2)
Body (3-1) connects, and microwave syringe needle (1) is arranged on macromolecular material multi-cavity outer tube (2) front end, the first miniature thermometric needle (5) and the
Two miniature thermometric needles (6) are separately positioned in cooling water outlet pipe chamber (13) and thermometric tube chamber (14), cooling water inlet pipe chamber
(12) connect inside microwave syringe needle (1) with cooling water outlet pipe chamber (13), visual probe (4) is from macromolecular material multi-cavity outer tube
(2) stretch out, microwave syringe needle (1) is connected with microwave receiving joint (10) inside microwave needle handle front portion (8), cooling water inlet pipe
Chamber (12) connects with microwave needle warter connection (9) inside microwave needle handle front portion (8), microwave needle handle anterior (8) with micro-
Ripple pin handle afterbody (11) connects.
It is provided with microwave needle locating piece (7) outside described macromolecular material multi-cavity outer tube (2).
Described macromolecular material multi-cavity outer tube (2) adopts high-strength electric insulation material polyether-ether-ketone (peek).
Because macromolecular material multi-cavity outer tube (2) is not metal material, the transmitting of microwave will not be hindered, there is no traditional microwave pin
Because of the resistance matching problem being existed using metal outer pipe, can be fully effective, safety to emission microwave, it is to avoid tradition
The energy loss problem that microwave needle exists.
Microwave needle locating piece (7) can accurately position the position of microwave needle, relies on the fixation of locating piece (7), microwave needle
Can be multiple, accurately, quickly reach lesions position, multiple ablative surgery can be carried out to focus.
Through the high-purity recirculated cooling water filtering, through microwave needle warter connection (9) and macromolecular material multi-cavity outer tube
(2) cooling water inlet pipe chamber (12) connection, cooling water cooled water water inlet tube chamber (12) arrives at microwave antenna (1) to heater
Directly carry out water-cooled, backwater cooled water water outlet tube chamber (13) is back in handle water tank the cooling water circulation process that completes.
Cooling water carries out cooling treatment it is ensured that microwave needle can be relatively high-power for a long time to microwave transmission cable (3) simultaneously
Work.2450mhz or 915mhz high-frequency microwave signal inserts from microwave Aculeata (11), with microwave receiving joint (10) even
Connect, microwave syringe needle (1) is transferred to by microwave transmission cable (3), by radiating antenna, energy is transferred out, produce microwave electromagnetic
, it is organized in active heat production in the presence of electromagnetic field, is rapidly reached high temperature at short notice, lesions position tumour is gone out
Kill.
Microwave needle position of the present utility model, also provides a kind of work(that can measure ablation temperature in different range in real time
Energy.The first miniature thermometric needle (5) being made up of miniature thermistor and the second miniature thermometric needle (6) are respectively in distance microwave syringe needle
(1) 5mm and 10mm position, carries out accurately to the temperature of the diverse location of ablation areas, measures in real time, is that doctor carries out in cavity
Accurately treatment provides good instrument for targeting, is a great potential and the treatment means having applications well prospect.
Embodiment described above is only preferred embodiment of the present utility model to be described, not to this practicality
New spirit and scope are defined, under the premise of without departing from the utility model design concept, ordinary skill skill in this area
Various modifications and improvement that art personnel make to the technical solution of the utility model, all should fall into protection model of the present utility model
Enclose, the technology contents that the utility model is claimed all have been recorded in detail in the claims.
Claims (3)
1. a kind of visualization has microwave melt needle under the scope of far-end temp sensing function, it is characterized in that including microwave syringe needle (1), high
Molecular material multi-cavity outer tube (2), microwave transmission cable (3), microwave transmission cable inner conductor (3-1), visual probe (4), first
Miniature thermometric needle (5), the second miniature thermometric needle (6), microwave needle handle front portion (8), microwave needle warter connection (9), microwave connects
Receive joint (10) and microwave needle handle afterbody (11), comprise inside described macromolecular material multi-cavity outer tube (2) to be provided with visual spy
The probe chamber of head (4), cooling water inlet pipe chamber (12), cooling water outlet pipe chamber (13) and thermometric tube chamber (14), microwave syringe needle (1)
The cable inner conductor (3-1) of the microwave transmission cable (3) internal with being arranged on macromolecular material multi-cavity outer tube (2) is connected, microwave
Syringe needle (1) is arranged on macromolecular material multi-cavity outer tube (2) front end, the first miniature thermometric needle (5) and the second miniature thermometric needle (6) point
It is not arranged in cooling water outlet pipe chamber (13) and thermometric tube chamber (14), cooling water inlet pipe chamber (12) and cooling water outlet pipe chamber
(13) connection inside microwave syringe needle (1), visual probe (4) is stretched out from macromolecular material multi-cavity outer tube (2), microwave syringe needle (1)
It is connected with microwave receiving joint (10) inside microwave needle handle front portion (8), cooling water inlet pipe chamber (12) are in microwave needle handle
Connect with microwave needle warter connection (9) inside anterior (8), microwave needle handle front portion (8) is with microwave needle handle afterbody (11) even
Connect.
2. visualization according to claim 1 there is microwave melt needle under the scope of far-end temp sensing function it is characterised in that
It is provided with microwave needle locating piece (7) outside described macromolecular material multi-cavity outer tube (2).
3. visualization according to claim 1 there is microwave melt needle under the scope of far-end temp sensing function it is characterised in that
Described macromolecular material multi-cavity outer tube (2) adopts high-strength electric insulation material polyether-ether-ketone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620507690.4U CN205903307U (en) | 2016-05-30 | 2016-05-30 | Microwave ablation needle under visual scope that has a distal end temperature measurement function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620507690.4U CN205903307U (en) | 2016-05-30 | 2016-05-30 | Microwave ablation needle under visual scope that has a distal end temperature measurement function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205903307U true CN205903307U (en) | 2017-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620507690.4U Active CN205903307U (en) | 2016-05-30 | 2016-05-30 | Microwave ablation needle under visual scope that has a distal end temperature measurement function |
Country Status (1)
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| CN (1) | CN205903307U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106798594A (en) * | 2017-02-15 | 2017-06-06 | 尚敏杰 | Microwave melt needle |
| CN107865690A (en) * | 2017-11-03 | 2018-04-03 | 浙江大学医学院附属第医院 | Rotatable microwave needle under peritoneoscope |
| CN108523991A (en) * | 2018-02-13 | 2018-09-14 | 南京亿高微波系统工程有限公司 | A kind of efficiently cooling multifunction microwave ablation needle |
| CN110063789A (en) * | 2019-05-31 | 2019-07-30 | 南京康友医疗科技有限公司 | Microwave ablation device |
| CN114469277A (en) * | 2022-01-18 | 2022-05-13 | 蓝线铂立生命科技(苏州)有限公司 | Visible puncture microwave ablation system |
-
2016
- 2016-05-30 CN CN201620507690.4U patent/CN205903307U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106798594A (en) * | 2017-02-15 | 2017-06-06 | 尚敏杰 | Microwave melt needle |
| CN106798594B (en) * | 2017-02-15 | 2019-02-26 | 尚敏杰 | Microwave melt needle |
| CN107865690A (en) * | 2017-11-03 | 2018-04-03 | 浙江大学医学院附属第医院 | Rotatable microwave needle under peritoneoscope |
| CN108523991A (en) * | 2018-02-13 | 2018-09-14 | 南京亿高微波系统工程有限公司 | A kind of efficiently cooling multifunction microwave ablation needle |
| CN108523991B (en) * | 2018-02-13 | 2020-10-09 | 南京亿高微波系统工程有限公司 | High-efficient refrigerated multi-functional microwave ablation needle |
| CN110063789A (en) * | 2019-05-31 | 2019-07-30 | 南京康友医疗科技有限公司 | Microwave ablation device |
| CN114469277A (en) * | 2022-01-18 | 2022-05-13 | 蓝线铂立生命科技(苏州)有限公司 | Visible puncture microwave ablation system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 210061 No.10, Gaoke Third Road, Nanjing high tech Development Zone, Jiangsu Province Patentee after: Nanwei Medical Technology Co., Ltd Address before: 210061 No. three, No. ten, hi tech Road, Nanjing hi tech Industrial Development Zone, Jiangsu, China Patentee before: Micro-Tech (Nanjing) Co., Ltd. |
|
| CP03 | Change of name, title or address |