CN208756155U - A kind of soft bar ablation needle of recyclable microwave - Google Patents
A kind of soft bar ablation needle of recyclable microwave Download PDFInfo
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- CN208756155U CN208756155U CN201721728507.4U CN201721728507U CN208756155U CN 208756155 U CN208756155 U CN 208756155U CN 201721728507 U CN201721728507 U CN 201721728507U CN 208756155 U CN208756155 U CN 208756155U
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Abstract
The utility model provides a kind of soft bar ablation needle of recyclable microwave, including outer tube and microwave radiation syringe needle, embedded type connector is equipped with inside outer tube front end, microwave radiation syringe needle is removably attachable in embedded type connector, outer tube back-end connects handle, syringe needle connecting coaxial cable, coaxial cable is in outer tube internal stretch to handle and is connected to radio frequency control cable.
Description
Technical field
The utility model relates to area of medical devices, especially a kind of soft bar ablation needle of recyclable microwave.
Background technique
Currently, the development that China's medical industry is being advanced by leaps and bounds, while the demand degree of refinement to product is higher and higher,
For microwave ablation as a kind of Minimally Invasive Surgery using more and more extensive, microwave ablation is the fuel factor using microwave biological tissue,
Stopped blooding to pathological tissues, solidified, burn remove or anti-inflammatory, detumescence, analgesic, improve local organization watery blood circulation etc., reach treatment
The effect of disease.The advantages that it has wound small, quick, and penetration capacity is strong, is received by more and more patients.
Existing microwave ablation Minimally Invasive Surgery mostly uses greatly B ultrasound or x-ray imaging equipment etc. to position lesion, then uses
External ablation needle direct transdermal skin Direct perforantes reach lesion then microwave ablation.This ablation is by patient body condition, disease
Stove position, the limitation of the external conditions such as ablation antenna length and Direct perforantes are a kind of directly unhelpful damages to patient, while right
Puncturing needle track can not ensure that safe and accurate property reaches lesions position completely, at the same existing microwave melt needle be it is disposable,
And it is expensive, many economic pressures are brought to patient, and the output of existing microwave melt needle microwave controls, SAPMAC method,
Bar temperature is shown through other equipment control, individually operated to user to make troubles, patent application similar with its in the market
Also there are many kinds of: a kind of such as the patent No.: ZL02286439.3 cold circulation microwave ablation needle；Its feature is equally to take cold follow
Ring, feature be under B ultrasound or CT guidance, Direct perforantes ablation, but be not easy to reach for deeper internal body tissues
And patient is by secondary insult.Another such as application number: CN201610091421.9 document number: CN105596079A, for micro-
The antenna module of wave ablation and using its microwave melt needle, he the characteristics of be to be formed with a soft magnetism on the outermost layer of coaxial line
The choke coil of ferrite film and the ceramic syringe needle of special material.
Utility model content
Purpose of utility model: technical problem to be solved in the utility model is in view of the deficiencies of the prior art, to provide one
The kind soft bar ablation needle of microwave can be recycled.
In order to solve the above-mentioned technical problem, the utility model provides a kind of soft bar ablation needle of recyclable microwave,
Including outer tube and microwave radiation syringe needle, it is equipped with embedded type connector inside outer tube front end, microwave radiation syringe needle removably connects
In embedded type connector, outer tube back-end connects handle, and syringe needle connecting coaxial cable, coaxial cable is in one's hands in outer tube internal stretch
In handle and it is connected to radio frequency control cable.
In the utility model, microwave radiation syringe needle front end is pointed structures, and rear end is equipped with a connecting column, outside the connecting column
Portion is set there are two protrusion, and the embedded type connector rear end is fixedly connected on outer tube, and front end is equipped with the company being adapted to connecting column
Access slot is set in link slot there are two groove be adapted to protrusion, and the connecting column of microwave radiation syringe needle is inserted into embedded type connector
Link slot, until the groove that the protrusion of connecting column is caught in link slot is completed to fix.
In the utility model, it is equipped with needle core empty slot inside connecting column, is equipped with inside embedded type connector suitable with needle core empty slot
The needle core matched, needle core are connect with coaxial cable soldering, and needle core is inserted into the needle core empty slot inside connecting column, to realize coaxial cable
With the connection of microwave radiation syringe needle.
In the utility model, microwave radiation syringe needle is equipped with more than one fixed column, on embedded type connector corresponding position
Equipped with the fixing groove that more than one is adapted to fixed column, fixed column is inserted into fixing groove and reinforces fixing.
In the utility model, handle is equipped with display screen and microprocessor, and display screen and radio frequency control cable are connected to micro-
Processor, the display screen have button control system, and button control system controls temperature, coaxial cable by microprocessor
The recurrent state of microwave output signal and cooling water.
In the utility model, handle is equipped with temperature sensor, and temperature sensor is shown temperature information by microprocessor
Show on a display screen, real-time monitoring bar temperature.
In the utility model, capillary is equipped in the outer tube, capillary front end extends to syringe needle, and handle is protruded into rear end
Interior, circulate cooling water in capillary, and the cavity outside extracapillary and coaxial cable forms backwater channel, capillary and backwater channel
Form cooling cycle pipeline.
In the utility model, the outer tube is soft structures, is made by composite material, has good excessively curved property, can protect
It demonstrate,proves microwave radiation syringe needle and thoracic cavity different parts is reached by endoscope.
In the utility model, the outside of handle front end and outer tube back-end, which is equipped with sheath, prevents it for protecting entire outer tube
Bending fractures.
In the utility model, the length of the soft bar ablation needle of microwave is the integral multiple of medical microwave wavelength, near field distribution ratio
Half-wave antenna is more uniform, microwave radiation preferably can be reached optimum efficiency.
The utility model has the advantages that the replaceable microwave radiation needle first time property sterilizing of the utility model uses, the microwave for will melt
Launch, card slot type structure facilitates plug that can plug replacement according to different demands.The human nature of the utility model handle simultaneously
Change design, facilitates doctor's one-handed performance, it is easy to operate, it is simple and clear.
Detailed description of the invention
The utility model is done with reference to the accompanying drawings and detailed description and is further illustrated, the utility model
Above-mentioned or otherwise advantage will become apparent.
Fig. 1 is embodiment overall structure diagram；
Fig. 2 is Section A-A schematic diagram in Fig. 1；
Fig. 3 is display portion schematic diagram；
Fig. 4 is enlarged drawing at B in Fig. 1；
Fig. 5 is microwave radiation syringe needle schematic diagram；
Fig. 6 is embedded type connector schematic diagram.
Specific embodiment
It elaborates below in conjunction with attached drawing to the utility model.
Embodiment:
Such as Fig. 1, a kind of soft bar ablation needle of recyclable microwave provided in this embodiment, including microwave radiation syringe needle 1,
Outer tube 2, capillary 2a, coaxial cable 2b, sheath 3, radio frequency control cable 4, temperature sensor 5, handle 6, display screen 7 and key
8, cooling cycle pipeline 9, embedded type connector 10, cooling circulating water 11, backwater channel 12, microprocessor, wherein outer tube front end
The outside of connecting needle 1, rear end connection handle 6, outer tube and handle con-nection part is equipped with sheath 3, and temperature sensor 5 is arranged outside
Pipe end, cooling cycle pipeline extend handle.
If Fig. 2, capillary 2a and coaxial cable 2b are arranged inside outer tube 2, remaining cavity of outer tube 2 forms backwater channel,
Circulate cooling water in capillary 2a.
Such as Fig. 3, handle is equipped with radio frequency control cable 4, display screen 7 and key 8, radio frequency control cable 4 and coaxial cable
2b is connected, and display screen 7 and key 8 are arranged outside handle 6.
Display screen 7 and radio frequency control cable 4 are electrically connected to microprocessor, and temperature sensor is believed temperature by microprocessor
On a display screen, display screen has button control system for breath display, and button control system controls temperature by microprocessor, together
11 recurrent state of shaft cable microwave output signal and cooling water.
If embedded type connector 10 is arranged in the front end inside of Fig. 4, outer tube 2, what microwave radiation syringe needle 1 was dismantled is connected to insertion
The front end of formula connector 10, the rear end connecting coaxial cable of embedded type connector 10.
In the present embodiment, microwave radiation syringe needle 1 and embedded type connector 10 are plug design, embedded type connector 10 and outer
Pipe is bonded using high-temperature plastic, and coaxial cable 2b and embedded type connector 10 use tin welding.
It is specifically that 1 front end of microwave radiation syringe needle is pointed structures, and there is a connecting column 13 in rear end, sets outside connecting column 13
There are two protrusions 14, and 10 rear end of embedded type connector is fixedly connected on outer tube 2, and front end is equipped with the link slot being adapted to connecting column
15, it sets in link slot 15 there are two the groove 16 being adapted to protrusion, the connecting column 13 of microwave radiation syringe needle 1 is inserted into embedded connection
The link slot 15 of device 10, until the groove 16 that the protrusion 14 of connecting column is caught in link slot is completed to fix.
It is equipped with needle core empty slot 17 inside connecting column 13, is equipped with and needle core empty slot and coaxial electrical inside embedded type connector 10
Cable 2b adaptation cable empty slot 18, coaxial cable 2b pass through cable empty slot extend to needle core empty slot, thus realize coaxial cable with
The connection of microwave radiation syringe needle 1.
Microwave radiation syringe needle 1 is equipped with more than one fixed column 19, and 10 corresponding position of embedded type connector is equipped with one
The fixing groove 20 being adapted to above with fixed column, fixed column 19 are inserted into fixing groove 20 and reinforce fixing.
Replaceable 1 primary sterilization of microwave radiation syringe needle uses, for the Microwave emission of ablation to be gone out, card slot type knot
Structure facilitates plug that can plug replacement according to different demands.
Outer tube 2 is that have good excessively curved property using composite material, can guarantee that microwave radiation syringe needle 1 is reached by endoscope
Thoracic cavity different parts, entire length reach 1m or more.Because outer tube composite material has good excessively curved property, microwave spoke can guarantee
It penetrates syringe needle and thoracic cavity different parts is reached by scope.Entire outer tube by cooling water circulating cooling, protect always by shank temperature simultaneously
It holds within controllable safety temperature, it is ensured that scope and needle track normal tissue safety.
Sheath 3 prevents its bending from fractureing for protecting entire outer tube 2.
Radio frequency control cable 4 is microwave radiation channel, has high dielectric constant, anti-microwave from leakage, Double-protection.Radio frequency control
Cable processed has good matching impedance, and standing-wave ratio is effectively reduced, prevents loss and leakage that microwave is external.Comprising: which interior lead
Body copper core, dielectric PTFE (polytetrafluoroethylene (PTFE)) and outer layer height shielding hard copper pipe package.
5 real-time monitoring bar temperature of temperature sensor, prevents the excessively high damage normal tissue of bar temperature and damage scope, temperature are more than
Setting value, it is automatic to disconnect microwave output.Bar temperature real-time transmission is intuitively shown have in real time by temperature sensor to handle display screen
Microwave radiation channel temperature is monitored, medical-risk is greatly reduced.
The human oriented design of handle 6 facilitates doctor's one-handed performance, meets the good gripping sense of ergonomic.
7 real-time display microwave output signal of display screen, bar temperature, cooling cycle water state and warning.
Key 8 directly controls microwave output and watt level, cooling cycle pipeline on-off.
Special interactive mode, is embedded in display screen at handle, screen real-time display ablation time, ablation power, bar temperature, cold
Circulation loop unobstructed and microwave output it is whether normal, on handle key can real-time control SAPMAC method switch microwave power it is big
Small and microwave output switch.Facilitate one man operation, liberates operator's hand.
Cooling water is directly sent to radiation source microwave radiation syringe needle 1 from import by cooling cycle pipeline 9, is formed back with outer tube 2
Road exports the cooling water after cold and hot exchange, to reduce shank temperature.
10 one end of embedded type connector is connected by outer tube 2 with handle 6, and the other end is directly connected to replaceable microwave radiation needle
First 1, special connect-disconnect structure fast and easy replaces microwave radiation syringe needle.
The entire cooling circuit of cooling water 11, it is repeatable to recycle, heat is transmitted, when its temperature reaches room temperature state needs
Replacement freezing in time, prevents entire circuit bar temperature excessively high, scalded tissue.
Backwater channel 12 refers to entire cooling water circulation channel, from feed water flow through handle, outer tube to syringe needle and then return water to hand
Handle to water outlet.Power comes from external peristaltic pump.
Microprocessor connects temperature sensor, coaxial cable and cooling cycle pipeline, displays temperature on display screen, coaxial electrical
Cable microwave output signal and cooling cycle water state, display screen have key, and key controls temperature by microprocessor, coaxially
Cable microwave output signal and cooling cycle water state.
In the present embodiment, the entire soft bar ablation needle length component of microwave is equivalent to the integral multiple of medical microwave wavelength, close
Field distribution is more more uniform than half-wave antenna, microwave radiation preferably can be reached optimum efficiency.
The syringe needle of the present apparatus can plug, since entire outer tube is in scope when use, not with direct body contact,
Therefore use finishes, and can directly pull up syringe needle, and removal cooling water individually sterilizes recycling, and is one with the syringe needle of human contact
Secondary property consumptive material, using connect-disconnect structure, using finishing directly as Biohazard Waste.Special connector can be good at locking needle
Head guarantees that syringe needle is well reliably contacted with microwave cable.
The working principle of the present embodiment its working principle is that:
Power signal: microwave output equipment → by 4 → handle of radio-frequency cable 6 enters 2 → coaxial cable of outer tube 2b → embedding
Enter 1 radiation energy of formula 10 → microwave radiation of connector syringe needle；
Control signal: microwave output equipment → pass through 4 → handle of radio-frequency cable, 6 → display screen, 7 → key, 8 → microprocessor
→ feedback microwave output equipment；
Cooling cycle: circulation line 9 → pass through the capillary 2a → detection of 2 → temperature sensor of outer tube 5 bar temperature → exchange heat
Return water → cooling water circulation pipe 9 after amount.
It is difficult that ablation pin puncture can be effectively solved compared with existing microwave melt needle, position difficult problem, the utility model is not
It by traditional B ultrasound, CT imaging device, but is positioned by scope, intuitively can clearly reach lesions position, then by interior
The soft bar ablation needle of microwave is sent to lesions position by the road Jing Qian, while the utility model is to enter lesions position by endoscopic forceps channel,
So avoiding existing ablation needle through the unhelpful damage of skin Direct perforantes.
The utility model provides a kind of soft bar ablation needle of recyclable microwave, implements the side of the technical solution
There are many method and approach, and the above is only the preferred embodiment of the utility model, it is noted that for the general of the art
For logical technical staff, without departing from the principle of this utility model, several improvements and modifications can also be made, these change
It also should be regarded as the protection scope of the utility model into retouching.Existing skill can be used in each component part being not known in the present embodiment
Art is realized.
Claims (10)
1. a kind of soft bar ablation needle of recyclable microwave, which is characterized in that including outer tube (2) and microwave radiation syringe needle (1),
Embedded type connector (10) are equipped with inside outer tube front end, microwave radiation syringe needle is removably attachable in embedded type connector, outside
Pipe rear end connects handle (6), and syringe needle connecting coaxial cable (2b), coaxial cable is in outer tube internal stretch to handle and connects
To radio frequency control cable (4).
2. the soft bar ablation needle of a kind of recyclable microwave according to claim 1, which is characterized in that microwave radiation needle
Head (1) front end is pointed structures, and rear end is equipped with a connecting column (13), is set outside the connecting column (13) there are two raised (14),
Embedded type connector (10) rear end is fixedly connected on outer tube (2), and front end is equipped with the link slot (15) being adapted to connecting column,
It is set in link slot (15) there are two the groove (16) being adapted to protrusion, the connecting column (13) of microwave radiation syringe needle (1) is inserted into insertion
The link slot (15) of formula connector (10), until the groove (16) that the protrusion (14) of connecting column is caught in link slot is completed to fix.
3. the soft bar ablation needle of a kind of recyclable microwave according to claim 2, which is characterized in that connecting column (13)
Inside is equipped with needle core empty slot (17), is equipped with the needle core (18) be adapted to needle core empty slot inside embedded type connector (10), needle core and
Coaxial cable (2b) soldering connection, needle core is inserted into the needle core empty slot inside connecting column, to realize coaxial cable and microwave radiation
The connection of syringe needle (1).
4. the soft bar ablation needle of a kind of recyclable microwave according to claim 3, which is characterized in that microwave radiation needle
Head (1) is equipped with more than one fixed column (19), and embedded type connector (10) corresponding position is equipped with more than one and fixed column
The fixing groove (20) of adaptation, fixed column (19) are inserted into fixing groove (20) and reinforce fixing.
5. the soft bar ablation needle of a kind of recyclable microwave according to claim 1, which is characterized in that handle is equipped with
Display screen (7) and microprocessor, display screen (7) and radio frequency control cable (4) are connected to microprocessor, and the display screen has
Button control system, button control system control temperature by microprocessor, coaxial cable microwave output signal and cooling water
Recurrent state.
6. the soft bar ablation needle of a kind of recyclable microwave according to claim 5, which is characterized in that handle is equipped with
Temperature sensor (5), temperature sensor are shown temperature information on a display screen by microprocessor.
7. the soft bar ablation needle of a kind of recyclable microwave according to claim 1, which is characterized in that in the outer tube
Equipped with capillary (2a), capillary front end extends to syringe needle, and rear end is protruded into handle, circulates cooling water (11) in capillary, hair
Cavity outside tubule and outside coaxial cable forms backwater channel (12), and capillary and backwater channel form cooling cycle pipeline (9).
8. the soft bar ablation needle of a kind of recyclable microwave according to claim 1, which is characterized in that the outer tube is
Soft structures are made by composite material.
9. the soft bar ablation needle of a kind of recyclable microwave according to claim 1, which is characterized in that handle front end and
The outside of outer tube back-end is equipped with sheath (3).
10. the soft bar ablation needle of a kind of recyclable microwave according to claim 1, which is characterized in that the soft bar of microwave
The length of ablation needle is the integral multiple of medical microwave wavelength.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721728507.4U CN208756155U (en) | 2017-12-13 | 2017-12-13 | A kind of soft bar ablation needle of recyclable microwave |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721728507.4U CN208756155U (en) | 2017-12-13 | 2017-12-13 | A kind of soft bar ablation needle of recyclable microwave |
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| Publication Number | Publication Date |
|---|---|
| CN208756155U true CN208756155U (en) | 2019-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721728507.4U Active CN208756155U (en) | 2017-12-13 | 2017-12-13 | A kind of soft bar ablation needle of recyclable microwave |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2017
- 2017-12-13 CN CN201721728507.4U patent/CN208756155U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN108030548B (en) * | 2017-12-13 | 2024-05-07 | 南京康友医疗科技有限公司 | But cyclic utilization's soft pole ablation needle of microwave |
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