CN107095719A - A kind of microwave ablation instrument of magnetic resonance compatible - Google Patents
A kind of microwave ablation instrument of magnetic resonance compatible Download PDFInfo
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- CN107095719A CN107095719A CN201710267951.9A CN201710267951A CN107095719A CN 107095719 A CN107095719 A CN 107095719A CN 201710267951 A CN201710267951 A CN 201710267951A CN 107095719 A CN107095719 A CN 107095719A
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- microwave
- magnetic resonance
- ablatograph
- solid state
- ablation instrument
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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
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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
- 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
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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
- 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
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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
- A61B2018/00636—Sensing and controlling the application of energy
- A61B2018/00773—Sensed parameters
- A61B2018/00791—Temperature
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- Veterinary Medicine (AREA)
- Radiation-Therapy Devices (AREA)
- Surgical Instruments (AREA)
- Magnetic Treatment Devices (AREA)
Abstract
A kind of microwave ablation instrument of magnetic resonance compatible, including：Control panel, touch-screen, hanging bottle support, foreboard, moving handle, drawer, wheel, back plate, air outlet, thermometric needle interface, peristaltic pump, solid state microwave sources, cavity body filter, Switching Power Supply, EMI is filtered, control mainboard, the control panel is provided with touch-screen, hanging bottle support is arranged on control panel side, foreboard is provided with before the ablatograph, foreboard is provided with moving handle, the lower section of foreboard is provided with two drawers, four wheels are provided with below the ablatograph, back plate is provided with behind the ablatograph, back plate is provided with air outlet, the peristaltic pump, solid state microwave sources, cavity body filter, Switching Power Supply, EMI is filtered, control mainboard is arranged on inside ablatograph.
Description
Technical field
The invention belongs to medical instruments field, and in particular to a kind of microwave ablation instrument of magnetic resonance compatible.
Background technology
With the progress of modern science and technology and medical science, microwave tumour ablation art achieves important breakthrough, has been widely used for facing
Bed.Microwave ablation is a kind of means for intervening radiation therapy tumour, by microwave melt needle（Transmitting antenna）Intervene human tumor
Tissue, microwave energy is gone out by its syringe needle sustained radiation so that polar molecule in tissue high-speed motion, phase in the presence of microwave field
Mutual friction produces fuel factor at once, and stable spherical thermal field is formed in tissue, and central temperature is more than 100 DEG C, lip temperature
More than 60 DEG C, the cell protein denaturation solidification in tissue causes irreversible necrosis, reaches the purpose of tumour ablation, magnetic is simultaneous
Hold microwave ablation instrument under MR-guided interventional System guides, microwave needle can launch 2450MHz frequency electromagnetic waves affected tissues, reach
Suppress the effect of the diffusion of tumour cell, simultaneously because the electromagnetic wave of high frequency, most products are all to peritumoral tissues on the market
More or less injury is produced, ablation instrument system can be widely used for liver cancer, lung cancer, fibroid, cancer of pancreas, prostate at present
The clinical treatment of the entity tumors such as cancer, bone tumour, kidney, thyroid cancer, breast cancer.
The content of the invention
Present invention aims at provide a kind of microwave ablation instrument of magnetic resonance compatible.
A kind of microwave ablation instrument of magnetic resonance compatible, including：Control panel, touch-screen, hanging bottle support, foreboard, mobile hand
Handle, drawer, wheel, back plate, air outlet, thermometric needle interface, peristaltic pump, solid state microwave sources, cavity body filter, Switching Power Supply, EMI
Filtering, control mainboard, the control panel are provided with touch-screen, and hanging bottle support is arranged on control panel side, the ablatograph
Foreboard is above provided with, foreboard is provided with moving handle, and the lower section of foreboard is provided with two drawers, and the ablatograph lower section is provided with four
Back plate is provided with behind wheel, the ablatograph, back plate is provided with air outlet, the peristaltic pump, solid state microwave sources, cavity filtering
Device, Switching Power Supply, EMI filtering, control mainboard are arranged on inside ablatograph.
The peristaltic pump combination water circulation microwave needle, circulating for water can take away the heat of needle tubing during ablation, reduction
Temperature, prevents skin scald, and rotating speed is controllable.
The solid state microwave sources use 2450Mhz solid state microwave sources, replace magnetron, and narrow bandwidth, power is more stable, PLL+
VCO is controlled, and frequency stability is high.
The thermometric needle interface is arranged on the top of air outlet, for connecting temperature measurement module, to the shank of microwave melt needle
Temperature is detected, the temperature of melted focus is reached the threshold value of cell death, it is to avoid tumour is without all killing, and ablation is not
Thoroughly.
The cavity body filter connects solid state microwave source output terminal, is effectively filtered out for specific frequency, it is to avoid right
The interference of magnetic resonance imaging, and adapt to powerful microwave output.
The low-pass filter circuit that the electromagnetic interface filter is made up of current-limiting reactor and shunt capacitor, it is to allow that it, which is acted on,
Frequency signal during equipment normal work enters equipment, and the interference signal to high frequency has larger inhibition.
Contrasted with traditional microwave ablation instrument, with more preferable reliability and stability, frequency stability is high, accurately defeated
Go out Power Control, and microwave output influences smaller to magnetic resonance, has little influence on image SNR.This microwave ablation instrument can be real
During present magnetic resonance imaging, while carrying out microwave ablation, microwave physical therapy, microwave operation, microwave acupuncture etc., magnetic resonance figure is not influenceed
Picture, realizes magnetic resonance compatible.
Brief description of the drawings
Fig. 1 microwave ablation instrument structural representations of the present invention；
Control panel 1, touch-screen 2, hanging bottle support 3, foreboard 4, moving handle 5, drawer 6, wheel 7, back plate 8, air outlet 9, survey
Warm needle interface 10, peristaltic pump 11, solid state microwave sources 12, cavity body filter 13, Switching Power Supply 14, EMI filtering 15, control mainboard
16。
Embodiment
Embodiment is given below the present invention is specifically described, it is necessary to it is pointed out here that be following examples only
It is used to further illustrate the present invention, it is impossible to be interpreted as limiting the scope of the invention, the field is skilled in technique
Some nonessential modifications and adaptations that personnel make according to present invention to the present invention still fall within protection scope of the present invention.
A kind of microwave ablation instrument of magnetic resonance compatible, including：Control panel 1, touch-screen 2, hanging bottle support 3, foreboard 4, shifting
Fixed handle 5, drawer 6, wheel 7, back plate 8, air outlet 9, thermometric needle interface 10, peristaltic pump 11, solid state microwave sources 12, cavity filtering
Device 13, Switching Power Supply 14, EMI filtering 15, control mainboard 16, the control panel 1 are provided with touch-screen 2, and hanging bottle support 3 is set
Foreboard 4 is provided with before the side of control panel 1, the ablatograph, foreboard 4 is provided with moving handle 5, and the lower section of foreboard 4 is provided with
It is provided with below two drawers 6, the ablatograph behind four wheels 7, the ablatograph and is provided with back plate 8, back plate 8 is provided with air-out
Mouth 9, the peristaltic pump 11, solid state microwave sources 12, cavity body filter 13, Switching Power Supply 14, EMI filtering 15, control mainboard 16 are set
Put inside ablatograph.
The peristaltic pump 11 combines water circulation microwave needle, and circulating for water can take away the heat of needle tubing during ablation, drop
Low temperature, prevents skin scald, and rotating speed is controllable.
The solid state microwave sources 12 use 2450Mhz solid state microwave sources, replace magnetron, and narrow bandwidth, power is more stable,
PLL+VCO is controlled, and frequency stability is high.
The thermometric needle interface 10 is arranged on the top of air outlet 9, for connecting temperature measurement module, to the pin of microwave melt needle
Bar temperature is detected, the temperature of melted focus is reached the threshold value of cell death, it is to avoid tumour melts without all killing
It is not thorough.
The cavity body filter 13 connects the output end of solid state microwave sources 12, is effectively filtered out, kept away for specific frequency
Exempt from the interference to magnetic resonance imaging, and adapt to powerful microwave output.
The low-pass filter circuit that the electromagnetic interface filter 15 is made up of current-limiting reactor and shunt capacitor, its effect is fair
Perhaps frequency signal during equipment normal work enters equipment, and the interference signal to high frequency has larger inhibition.
Contrasted with traditional microwave ablation instrument, with more preferable reliability and stability, frequency stability is high, accurately defeated
Go out Power Control, and microwave output influences smaller to magnetic resonance, has little influence on image SNR.This microwave ablation instrument can be real
During present magnetic resonance imaging, while carrying out microwave ablation, microwave physical therapy, microwave operation, microwave acupuncture etc., magnetic resonance figure is not influenceed
Picture, realizes magnetic resonance compatible.
The general principle and principal character of the present invention has been shown and described above.It should be understood by those skilled in the art that,
The present invention is not limited to the above embodiments, merely illustrating the principles of the invention described in above-described embodiment and specification,
Without departing from the spirit and scope, various changes and modifications of the present invention are possible, and these changes and improvements all fall
Enter in scope of the claimed invention.The claimed scope of the present invention is by appended claims and its equivalent circle
It is fixed.
Claims (6)
1. a kind of microwave ablation instrument of magnetic resonance compatible, it is characterised in that：Including：It is control panel, touch-screen, hanging bottle support, preceding
Plate, moving handle, drawer, wheel, back plate, air outlet, thermometric needle interface, peristaltic pump, solid state microwave sources, cavity body filter, open
Powered-down source, EMI filtering, control mainboard, the control panel are provided with touch-screen, and hanging bottle support is arranged on control panel side,
Foreboard is provided with before the ablatograph, foreboard is provided with moving handle, and the lower section of foreboard is provided with two drawers, the ablatograph
Side is provided with four wheels, is provided with back plate behind the ablatograph, and back plate is provided with air outlet, the peristaltic pump, solid state microwave sources,
Cavity body filter, Switching Power Supply, EMI filtering, control mainboard are arranged on inside ablatograph.
2. a kind of microwave ablation instrument of magnetic resonance compatible according to claims 1, it is characterised in that：The peristaltic pump knot
Heshui circulation microwave pin, circulating for water can take away the heat of needle tubing during ablation, reduce temperature, prevent skin scald, turn
Speed is controllable.
3. a kind of microwave ablation instrument of magnetic resonance compatible according to claims 1, it is characterised in that：The solid state microwave
Source uses 2450Mhz solid state microwave sources, replaces magnetron, and narrow bandwidth, power is more stable, PLL+VCO controls, frequency stability
It is high.
4. a kind of microwave ablation instrument of magnetic resonance compatible according to claims 1, it is characterised in that：The thermometric needle connects
Mouth is arranged on the top of air outlet, and for connecting temperature measurement module, the shank temperature to microwave melt needle is detected, makes to be melted
The temperature of focus reaches the threshold value of cell death, it is to avoid tumour melts not thorough without all killing.
5. a kind of microwave ablation instrument of magnetic resonance compatible according to claims 1, it is characterised in that：The cavity filtering
Device connects solid state microwave source output terminal, is effectively filtered out for specific frequency, it is to avoid the interference to magnetic resonance imaging, and fit
Powerful microwave is answered to export.
6. a kind of microwave ablation instrument of magnetic resonance compatible according to claims 1, it is characterised in that：The EMI filtering
The low-pass filter circuit that device is made up of current-limiting reactor and shunt capacitor, its effect is frequency when allowing equipment normal work
Signal enters equipment, and the interference signal to high frequency has larger inhibition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710267951.9A CN107095719A (en) | 2017-04-22 | 2017-04-22 | A kind of microwave ablation instrument of magnetic resonance compatible |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710267951.9A CN107095719A (en) | 2017-04-22 | 2017-04-22 | A kind of microwave ablation instrument of magnetic resonance compatible |
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| CN107095719A true CN107095719A (en) | 2017-08-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710267951.9A Pending CN107095719A (en) | 2017-04-22 | 2017-04-22 | A kind of microwave ablation instrument of magnetic resonance compatible |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107865688A (en) * | 2017-12-05 | 2018-04-03 | 安徽硕金医疗设备有限公司 | The radiofrequency melting instrument and ablation needle of a kind of magnetic resonance compatible |
| CN109171955A (en) * | 2018-10-23 | 2019-01-11 | 宁波穿山甲机电有限公司 | A kind of microwave ablation instrument of magnetic resonance compatible |
| CN113425406A (en) * | 2021-05-31 | 2021-09-24 | 南京航空航天大学 | Intelligent double-frequency microwave ablation treatment system |
| CN113907871A (en) * | 2021-09-13 | 2022-01-11 | 哈尔滨医科大学 | Tumor ablation microwave device for multi-nuclide MRI real-time detection and using method |
-
2017
- 2017-04-22 CN CN201710267951.9A patent/CN107095719A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107865688A (en) * | 2017-12-05 | 2018-04-03 | 安徽硕金医疗设备有限公司 | The radiofrequency melting instrument and ablation needle of a kind of magnetic resonance compatible |
| CN109171955A (en) * | 2018-10-23 | 2019-01-11 | 宁波穿山甲机电有限公司 | A kind of microwave ablation instrument of magnetic resonance compatible |
| CN113425406A (en) * | 2021-05-31 | 2021-09-24 | 南京航空航天大学 | Intelligent double-frequency microwave ablation treatment system |
| CN113907871A (en) * | 2021-09-13 | 2022-01-11 | 哈尔滨医科大学 | Tumor ablation microwave device for multi-nuclide MRI real-time detection and using method |
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