CN108992166A - A kind of spiral type micro-wave temperature control varicose treatment conduit - Google Patents
A kind of spiral type micro-wave temperature control varicose treatment conduit Download PDFInfo
- Publication number
- CN108992166A CN108992166A CN201810521331.8A CN201810521331A CN108992166A CN 108992166 A CN108992166 A CN 108992166A CN 201810521331 A CN201810521331 A CN 201810521331A CN 108992166 A CN108992166 A CN 108992166A
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- China
- Prior art keywords
- temperature control
- spiral
- type micro
- spiral type
- treatment conduit
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Classifications
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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
- 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
- A61B18/20—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 laser
- A61B18/22—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 laser the beam being directed along or through a flexible conduit, e.g. an optical fibre; Couplings or hand-pieces therefor
- A61B18/24—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 laser the beam being directed along or through a flexible conduit, e.g. an optical fibre; Couplings or hand-pieces therefor with a catheter
-
- 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
- A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
- A61B2018/00589—Coagulation
-
- 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
- A61B2018/00636—Sensing and controlling the application of energy
- A61B2018/00773—Sensed parameters
- A61B2018/00791—Temperature
-
- 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
- A61B2018/1861—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 inserted into a body lumen or cavity, e.g. a catheter
Abstract
The invention discloses a kind of spiral type micro-wave temperature control varicose treatment conduits, including shell, it is located at the intracorporal cable of shell and optical fiber, shell is divided into luminous zone, microwave radiation area, signal transmission range, radiating antenna is set in microwave radiation area, it is designed for spiral distribution or slit, optical fiber passes through radiating antenna and continues to extend a distance into the loop laser portion to form light transmission around forward.The treatment catheter head has 360 ° of laser emitting regions, the guide operation puncturing precise positioning that can be highlighted, without guiding in ultrasonic probe, to be convenient to the operation of doctor, the accurate treatment method for improving operation and the pain for mitigating patient shorten operating time；The normal microwave lead of spiral design simultaneously, effectively improves coagulation result；The product can accurately control microwave radiation area temperature by temperature sensing, reduce operation scald risk.
Description
Technical field
The present invention relates to medical instruments fields, relate in particular to a kind of spiral type micro-wave suitable for varicose treatment
Temperature-control therapeutic conduit.
Background technique
Varicose treatment means include traditional physiotherapy, drug therapy and operative treatment three categories at present.Wherein
Operative treatment includes laser, radio frequency, microwave etc..In existing varication clinical treatment, respectively there is feature and advantage, but also all
There are its limitation and defect.
Physiotherapy, pressure is often undesirable, and does not have to how long be easy relaxation and do not have effect, pays attention to keeping away
Exempt to treat venous disease using the elastic sleeve for being only capable of wrapping calf, it can aggravate ankle venous congestion and be more readily formed routed
Ulcer.
Drug therapy, drug are varication adjuvant treatment measures, can not it is expected that taking drugs the vein for making varicose disappears
It loses；Operative treatment is the basic principle is that by it is made by the method that the great saphenous vein trunk that stripping is taken out in operation uses physics heating power instead originally
Closure achievees the purpose that block Vein reflux and endless loop.Laser therapy, solidification depth are inadequate and easy to recur.
The small temperature of its freezing range of radio frequency solidification treatment is low, and solidification depth is not easy to recur enough.Microwave, laser therapy are protected
Stay the characteristic heating rate of original microwave fast, freezing range is wide, and laser therapy is added and allows erythrocyte quick
The effect of solidification.
Existing varication micro-wave therapeutic product, microwave radiation region only have 1cm long, are set to treatment catheter proximal end,
Freezing range is small；And fiber lengths do not exceed microwave antenna, the light of transmitting can be blocked by microwave antenna or cable section,
When indicating intervention position for shining in vivo, often there is a problem of that light transmission is uneven, instruction is unclear；And traditional microwave vein is bent
Opening treatment product does not have temp sensing function, is unable to control treatment region temperature and determines its curative effect.
Summary of the invention
Goal of the invention: the object of the present invention is to provide a kind of optimization product light transmission function, expand micro-wave therapeutic region, and base
In the spiral type micro-wave temperature control varicose treatment conduit of temperature sensor technology real-time monitoring therapeutic state.
Technical solution: in order to achieve the above-mentioned object of the invention, a kind of spiral type micro-wave temperature control varicose treatment of the invention
Conduit, the conduit include shell and the cable and optical fiber that are contained in housing；The shell includes being located at front end luminous zone
Light-permeable shell, the heat-resistant housing positioned at middle part microwave radiation area and the soft shell positioned at rear signal transmission range；It is described resistance to
Radiating antenna is accommodated in hot shell；Optical fiber passes through radiating antenna and forward end continues to extend a distance into form light transmission around
Loop laser portion.
Preferably, loop laser portion front end is equipped with the quartz socket tube that the polarization of laser can be made to recur variation, into
The translucency of one step combination light-permeable shell, to realize 360.Light occurs.
For treatment conduit of the invention for micro-wave therapeutic varication in venous lumen, which is broadly divided into luminous zone, micro-
Wave radiation area and signal transmission range.Luminous zone provides the function based on optical fibre ring laser portion surrounding uniformly light-emitting, combinable
Optical fiber sensing technology realizes the real-time 3D imaging function for the treatment of, grasps the real-time effective coverage of radiation therapy.Microwave radiation area is excellent
Choosing radiates microwave using spiral antenna for radiating microwave, and the process of microwave radiation is by the polar molecule in tissue in microwave field
Under the action of high-speed motion friction generate heat, when temperature is increased to 60 DEG C or more, the protein denaturation of cell solidifies, and causes
The necrosis of its irreversibility, can produce heat shock protein, stimulate the immune system of body, improve the immune function of body, play and close
Close the function of blood vessel.It is preferred that the solidification depth of perienchyma is treated and is detected with dual-wavelength laser (650um 980um),
The real time monitoring to DIE Temperature is realized by the temperature sensor being located in microwave radiation area.Light is embedded in soft shell
Fibre, cable etc., optical fiber further extends in heat-resistant housing and light-permeable shell.
Fiber selection of the present invention includes but is not limited to that quartz material is made, and by extending optical fiber forward, is formed
Independent luminous zone, i.e. loop laser portion are realized homogenous diffusion light around and will not be stopped by cable or radiating antenna.It is logical
Silica fibre is crossed by the optical transport of Single wavelength (650um) or dual wavelength (650um 980um) to loop laser portion surrounding, is controlled
It treats and guide-lighting blood vessel surrounding indicates.
Further, the radiating antenna is any one of helical antenna, vertical seam antenna, dipole antenna.
As one such embodiment, the radiating antenna is helical antenna, one end of the helical antenna and electricity
Cable connection, the front end of heat-resistant housing inner cavity is extended forwardly into along major axes orientation spiral.The lead of helical antenna of the present invention
For 2-5cm, it is 3-8 times of resolidified region of existing column radiator, can quickly solidifies blood vessel, improves the efficiency and mitigation for the treatment of
The pain of patient's treatment, screw type microwave antenna can fast and effective solidification treatment areas.The present invention can also be based on vertical seam antenna
Or dipole antenna carries out improvement design, by handling the cavitation of radiating antenna, is obtained through optical fiber, is formed in front end
Annular luminous portion.
Preferably, the cable is coaxial cable, and the helical antenna is the epitaxy part of the inner conductor of the coaxial cable
Point, which spirally extends forward along major axes orientation.This design method efficiency of transmission is high, improves hardening effect of radiation
Effect.And the structure of integrated microwave radiator is reliable, is not easy to loosen and fall off, and microwave output stablizes, is reliable.Helical antenna
Also within the scope of the present invention using split-type design with cable, using this design, microwave radiation head can be curved
Song guiding, but because its with microwave inner conductor be not it is integrated, there is caducous risk at high temperature.
Vertical seam Antenna Design also can be used in radiating antenna of the invention, and vertical seam antenna and the inner conductor of the coaxial cable are welded shape
At.Using split-type design, then after outer processing, it is embedded into microwave radiation area, it is easy to assembly using vertical seam Antenna Design, together
Axis is preferable, but Microwave emission head is unable to curved guide.
As a kind of embodiment of said spiral antenna, a Spiral guide, the guiding are equipped in the heat-resistant housing
Part is spiral wire made of PTFE material, and the epitaxial part is wound along spiral wire.The advantages of program is microwave antenna
It can be with fixed guide figuration and convenient for the uniformity and consistency of microwave radiation.
As the another embodiment of helical antenna, a helical mount is equipped in the heat-resistant housing, which is table
Face has the ceramic jacket core of spiral groove.The advantages of program, is easy for improving conduit puncture strength and positioning in operation, increases
Add the rigidity and flexibility of catheter head.
As the another embodiment of helical antenna, the heat-resistant housing inner surface is equipped with for being embedded in helical antenna
Helix-type flute, can effectively consolidate helical antenna prevents it from shaking back and forth.
Light-permeable shell of the present invention is can heat-resisting 200 degrees Celsius and high molecular material system of the light transmittance not less than 95%
At by including but is not limited to that the translucent materials such as PC, quartz are made；Wherein, preferably PC material is made.Heat-resisting shell of the present invention
Body by can be heat-resisting 300 degrees Celsius include but is not limited to that any one material such as PTFE, PEEK, PI, ceramics is made；Wherein, excellent
PTFE material is selected to be made.Soft shell of the present invention includes but is not limited to that polytetrafluoroethylene material is made；It is conducive to subtract
Few penetration Resistance and raising heat resistance and flexibility.Shell is equipped with scale, patient can be instructed to operate well.
The light-permeable shell, heat-resistant housing, in soft shell as comprising can be integrated knot made of identical material
Structure, the assembling of different materials shell can be used the modes such as grafting bonding, heat seal and be attached combination.
For the temperature sensor, it can be selected but be not limited to T-type thermocouple, K-type thermocouple, NTC thermistor
Any one, preferably NTC thermistor is as temperature sensor.
Further, spacer is equipped between the heat-resistant housing and housing body, the spacer is equipped with current supply cable, optical fiber
The hole passed through, thermocouple or thermistor are assembled in spacer.
The specific name of material english abbreviation of the present invention is as follows:
The utility model has the advantages that 360 ° of laser emitting regions on its head of spiral micro-wave therapeutic conduit of the invention, can highlight finger
Draw operation puncturing precise positioning, without guiding in ultrasonic probe, so that patient be facilitated to operate, improves the essence of operation
Quasi- treatment method and the pain for mitigating patient shorten operating time, while laser can destroy hemoglobin, accelerate blood
Pipe closing speed；The spiral radiator on its head of spiral type micro-wave temperature control varicose treatment conduit, can rapidly and uniformly coagulate
Admittedly being closed blood vessel, single coagulation result improves the efficiency for the treatment of up to 5cm；Spiral type micro-wave temperature control varicose treatment is led
The temperature sensor on its head is managed, microwave radiation area temperature can be accurately controlled, reduces the risk for scalding patient in operation；
The spiral treatment head on its head of spiral type micro-wave temperature control varicose treatment conduit can be controlled in conjunction with the angle of rear end conduit
Technology, and then the direction of front end radiator is adjusted, convenient for being oriented in venipuncture.And traditional antenna front end does not have buckling spy
Property, to cannot achieve the adjusting in direction, branch vein can not be treated.
Detailed description of the invention
Fig. 1 is the product appearance schematic diagram of embodiment 1 and embodiment 2；
Fig. 2 is the schematic cross-section that embodiment 1 treats catheter proximal end；
Fig. 3 is the schematic cross-section that embodiment 2 treats catheter proximal end；
Fig. 4 is the schematic cross-section of A-A in Fig. 2；
Fig. 5 is the schematic cross-section of B-B in Fig. 2；
Fig. 6 is the schematic cross-section of C-C in Fig. 2.
Specific embodiment
Invention is further explained combined with specific embodiments below.
Embodiment 1
As shown in Figure 1, Figure 2, a kind of spiral type micro-wave temperature control varicose treatment conduit, the conduit are divided into luminous zone
100, microwave radiation area 200 and signal transmission range 300, signal transmission range 300 account for main major part, luminous zone and microwave radiation
Area is located at front end.Rear end of conduit connects microwave ablation handle 400, is attached primarily on power supply, light source and corresponding controller.
It mainly include a coaxial cable 500 and a stone in the treatment conduit please further combined with shown in Fig. 3~Fig. 6
English optical fiber 600, wherein coaxial cable is passed through signal transmission range, and arrives at signal transmission range front end；Optical fiber 600 is from rear past
It is preceding successively to walk signal transmission range 300, microwave radiation area 200, until 100 front end of luminous zone.Microwave radiation area and signal transmission
It is equipped with spacer 320 between area, is passed through for optical fiber, the inner conductor of coaxial cable 500 passes through the hole in spacer, forms the outer of screw type
Prolong part, the spiral shape radiating antenna 220 as microwave radiation area.Optical fiber 600 walks to luminous zone 100 and forms loop laser portion
120, the light-permeable shell 110 of luminous zone is made of PC translucent material, heat-resistant housing 210 and the signal transmission in microwave radiation area
The soft shell 310 in area is that PTFE material is made.
In the present embodiment, radiating antenna is the helical antenna extended spirally forward along major axes orientation, length 2.5-5cm,
Optical fiber walks the straight luminous zone front end of branch from helical antenna hollow space.In order to protect optical fiber laser propagation effect, in microwave radiation area
Fiber outer surface is equipped with one layer of PTFE casing 230.It is located at microwave radiation area inner cavity in spacer 320 and is also equipped with T-type thermocouple 330
As temperature sensor, it is connected with coaxial cable.
The present embodiment by silica fibre by the optical transport of dual wavelength (650um 980um) to 120 surrounding of loop laser portion,
The real-time 3D imaging function that treatment can be realized further combined with optical fiber sensing technology, grasps the real-time effective coverage of radiation therapy.T
Type thermocouple 330 can realize that the treatment temperature in microwave radiation area is solidifying to effectively control to the temperature real-time monitoring of radiation areas
The range of Gu Qu and the risk of reduced operation avoid scald patient.
Embodiment 2
The present embodiment is substantially the same manner as Example 1, but in the enterprising traveling one-step optimization of the protection of helical antenna.Specifically
It says, spirally-guided made of the PTFE wire rod extended forward along major axes orientation spiral is equipped in the heat-resistant housing in microwave radiation area
The epitaxial part of part, the inner conductor of the coaxial cable is wound along PTFE Spiral guide.To which PTFE casing can be gone in embodiment 1
It removes.The advantages of program, can be with fixed guide figuration and convenient for the uniformity and consistency of microwave radiation for microwave antenna.
Embodiment 3
The present embodiment is substantially the same manner as Example 1, equally in the enterprising traveling one-step optimization of the protection of helical antenna.Specifically
It says, a helical mount is equipped in heat-resistant housing, which is the ceramic jacket core that surface has spiral groove.The advantages of program
Convenient for improving conduit puncture strength and positioning in operation, increase the rigidity and flexibility of catheter head.
Embodiment 4
The present embodiment is substantially the same manner as Example 1, equally in the enterprising traveling one-step optimization of the protection of helical antenna.Specifically
It says, heat-resistant housing inner surface is equipped with the helix-type flute for being embedded in helical antenna.The advantages of program, is that Microwave emission is equal
It is even, and can treat diameter compared with subbranch vein blood vessel.
Embodiment 5
Incorporated by reference to shown in Fig. 1, Fig. 3, use improved vertical seam antenna as radiating antenna in the present embodiment.In the embodiment
External structure is same as Example 1, and vertical seam panel 240 is equipped in the one side that spacer 320 is located at microwave radiation area as spoke
Antenna is penetrated, silica fibre is walked from the slit of vertical seam panel to luminous zone, and vertical seam panel 240 is externally provided with polytetrafluoroethylene (PTFE) set
It manages, heat-resistant housing 210 is made of PI material in the present embodiment.Temperature sensor selects NTC thermistor in the present embodiment, in
Spacer corresponding position coats heat-conducting silicone grease, and NTC thermistor is installed on spacer.
The above is only a preferred embodiment of the present invention, it should be pointed out that: for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (14)
1. a kind of spiral type micro-wave temperature control varicose treatment conduit, including shell and the cable and light that are contained in housing
It is fine, it is characterised in that: the shell includes the light-permeable shell positioned at front end luminous zone, the heat-resisting shell positioned at middle part microwave radiation area
Body and soft shell positioned at rear signal transmission range；Radiating antenna is accommodated in the heat-resistant housing, optical fiber passes through radiation
Simultaneously forward end continues to extend a distance into the loop laser portion to form light transmission around antenna.
2. a kind of spiral type micro-wave temperature control varicose treatment conduit according to claim 1, it is characterised in that: described resistance to
Temperature sensor is equipped in hot shell.
3. a kind of spiral type micro-wave temperature control varicose treatment conduit according to claim 1 or 2, it is characterised in that: institute
State any one that radiating antenna is helical antenna, vertical seam antenna, dipole antenna.
4. a kind of spiral type micro-wave temperature control varicose treatment conduit according to claim 3, it is characterised in that: the spoke
Penetrating antenna is helical antenna, one end of the helical antenna and cable connection, is extended forwardly into along major axes orientation spiral heat-resisting
The front end of housing cavity.
5. a kind of spiral type micro-wave temperature control varicose treatment conduit according to claim 4, it is characterised in that: the electricity
Cable is coaxial cable, the helical antenna be the inner conductor of the coaxial cable epitaxial part, the epitaxial part along major axes orientation forward
It is spiral to extend.
6. a kind of spiral type micro-wave temperature control varicose treatment conduit according to claim 5, it is characterised in that: described resistance to
A Spiral guide is equipped in hot shell, which is spiral wire made of PTFE material, and the epitaxial part is along spiral
Material winds.
7. a kind of spiral type micro-wave temperature control varicose treatment conduit according to claim 5, it is characterised in that: described resistance to
A helical mount is equipped in hot shell, which is the ceramic jacket core that outer surface has spiral groove.
8. a kind of spiral type micro-wave temperature control varicose treatment conduit according to claim 5, it is characterised in that: described resistance to
Hot shell inner surface is equipped with the helix-type flute for being embedded in helical antenna.
9. a kind of spiral type micro-wave temperature control varicose treatment conduit according to claim 1, it is characterised in that: described
Bare hull body by can the PC of heat-resisting 200 degrees Celsius and light transmittance not less than 95% or quartz material be made.
10. a kind of spiral type micro-wave temperature control varicose treatment conduit according to claim 1, it is characterised in that: described
Heat-resistant housing by can any one material of heat-resisting 300 degrees Celsius PTFE, PEEK, PI be made.
11. a kind of spiral type micro-wave temperature control varicose treatment conduit according to claim 1, it is characterised in that: described
Temperature sensor is thermocouple or thermistor.
12. a kind of spiral type micro-wave temperature control varicose treatment conduit according to claim 11, it is characterised in that: described
Spacer, the hole that the spacer is equipped with current supply cable, optical fiber passes through, thermocouple or temperature-sensitive are equipped between heat-resistant housing and housing body
Resistance is assembled in spacer.
13. a kind of spiral type micro-wave temperature control varicose treatment conduit according to claim 11 or 12, it is characterised in that:
The temperature sensor is any one of T-type thermocouple, K-type thermocouple or NTC thermistor.
14. a kind of spiral type micro-wave temperature control varicose treatment conduit according to claim 1, it is characterised in that: described
The length in microwave radiation area is 2-5cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810521331.8A CN108992166A (en) | 2018-05-25 | 2018-05-25 | A kind of spiral type micro-wave temperature control varicose treatment conduit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810521331.8A CN108992166A (en) | 2018-05-25 | 2018-05-25 | A kind of spiral type micro-wave temperature control varicose treatment conduit |
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| CN108992166A true CN108992166A (en) | 2018-12-14 |
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| CN201810521331.8A Pending CN108992166A (en) | 2018-05-25 | 2018-05-25 | A kind of spiral type micro-wave temperature control varicose treatment conduit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109938832A (en) * | 2019-04-22 | 2019-06-28 | 南京长城医疗设备有限公司 | A kind of high-performance semi-rigid penetration type microwave ablation antenna |
| WO2021142910A1 (en) * | 2020-01-16 | 2021-07-22 | 南京康友医疗科技有限公司 | Ablation needle tube, microwave ablation needle, and microwave ablation treatment instrument |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109938832A (en) * | 2019-04-22 | 2019-06-28 | 南京长城医疗设备有限公司 | A kind of high-performance semi-rigid penetration type microwave ablation antenna |
| WO2021142910A1 (en) * | 2020-01-16 | 2021-07-22 | 南京康友医疗科技有限公司 | Ablation needle tube, microwave ablation needle, and microwave ablation treatment instrument |
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Application publication date: 20181214 |
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| RJ01 | Rejection of invention patent application after publication |