CN219680761U - Microwave ablation equipment based on microwave radiation imaging - Google Patents
Microwave ablation equipment based on microwave radiation imaging Download PDFInfo
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- CN219680761U CN219680761U CN202321224516.5U CN202321224516U CN219680761U CN 219680761 U CN219680761 U CN 219680761U CN 202321224516 U CN202321224516 U CN 202321224516U CN 219680761 U CN219680761 U CN 219680761U
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- ablation needle
- ablation
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- 238000002679 ablation Methods 0.000 title claims abstract description 62
- 238000003384 imaging method Methods 0.000 title claims abstract description 19
- 230000005855 radiation Effects 0.000 title claims abstract description 14
- 239000007787 solid Substances 0.000 claims abstract description 21
- 230000003993 interaction Effects 0.000 claims abstract description 9
- 238000006243 chemical reaction Methods 0.000 claims abstract description 8
- 238000001816 cooling Methods 0.000 claims description 15
- 230000002572 peristaltic effect Effects 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 13
- 238000011282 treatment Methods 0.000 abstract description 12
- 230000008569 process Effects 0.000 description 11
- 230000006872 improvement Effects 0.000 description 5
- 206010028980 Neoplasm Diseases 0.000 description 4
- 238000009529 body temperature measurement Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000002591 computed tomography Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 206010020843 Hyperthermia Diseases 0.000 description 1
- 238000010317 ablation therapy Methods 0.000 description 1
- 238000011298 ablation treatment Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000036031 hyperthermia Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013188 needle biopsy Methods 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
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Abstract
The utility model relates to microwave ablation equipment based on microwave radiation imaging, which comprises a controller, an ablation needle, a solid source and a microwave radiometer antenna, wherein the solid source and the microwave radiometer antenna are respectively and electrically connected with the controller; the ablation needle is electrically connected with the solid source, the microwave radiometer antenna is arranged in the ablation needle, the controller is integrated with the A/D conversion chip, and the controller is electrically connected with the man-machine interaction module. The solid source outputs microwave signals to the ablation needle, a microwave radiometer antenna in the ablation needle receives the microwave signals reflected by the tissue of the affected part, the microwave signals reflected by the tissue of the affected part are processed through the A/D conversion chip, and the image of the affected part is displayed in real time through the man-machine interaction module; the acquisition of affected part image is realized through the built-in microwave radiometer antenna in the ablation needle, and medical personnel use the microwave ablation needle to carry out the treatment in-process, need not in addition handheld imaging device can, only need the single hand handheld ablation needle can, convenient operation, and the progress condition of microwave ablation can all be seen directly perceivedly to whole treatment.
Description
Technical Field
The utility model relates to the technical field of microwave ablation equipment, in particular to microwave ablation equipment based on microwave radiation imaging.
Background
Microwave ablation is the most commonly applied technology in tumor hyperthermia, and its principle is to utilize a microwave electric field to make molecules move at high speed along with microwave frequency under the radiation of microwave, and the molecules are rubbed with each other to generate high-energy thermal effect, so that the tissue is coagulated, dehydrated and necrotized to achieve the therapeutic purpose. The effectiveness and superiority of microwave ablation therapy have been clinically demonstrated.
Prior to microwave ablation treatment, physicians use imaging techniques to detect the location of the tumor. These imaging techniques include Computed Tomography (CT) or ultrasound guided needle biopsies. Prior to treatment with a microwave ablation needle, the physician will ensure that the needle is inserted into the exact location of the tumor tissue to ensure the effectiveness of the treatment and to maximize the safety of surrounding healthy tissue. In the treatment process of using the microwave ablation needle, the position of tumor tissues is required to be observed by the imaging device at any time, so that medical staff is required to hold the ablation needle by one hand and scan the affected part by the imaging device by the other hand, the operation is very inconvenient, especially when the device is required to be regulated in the microwave ablation process, the imaging device is required to be put down first and then regulated, and the microwave ablation process cannot be intuitively seen in the process.
Disclosure of Invention
The technical problem to be solved by the utility model is to provide microwave ablation equipment based on microwave radiation imaging, so as to overcome the defects in the prior art.
The technical scheme for solving the technical problems is as follows: a microwave ablation device based on microwave radiation imaging comprises a controller, an ablation needle, a solid source and a microwave radiometer antenna, wherein the solid source and the microwave radiometer antenna are respectively and electrically connected with the controller; the ablation needle is electrically connected with the solid source, the microwave radiometer antenna is arranged in the ablation needle, the controller is integrated with the A/D conversion chip, and the controller is electrically connected with the man-machine interaction module.
The beneficial effects of the utility model are as follows: in the treatment process, a solid source outputs microwave signals to an ablation needle, a microwave radiometer antenna in the ablation needle receives the microwave signals reflected by the tissue of the affected part, the microwave signals reflected by the tissue of the affected part are processed through a microwave radiation sampling circuit in the microwave radiometer antenna and an A/D conversion chip integrated on a controller, then data are transmitted to the controller, and finally, the image of the affected part is displayed in real time through a man-machine interaction module; the acquisition of affected part image is realized through the built-in microwave radiometer antenna in the ablation needle, and medical personnel use the microwave ablation needle to carry out the treatment in-process, need not in addition handheld imaging device can, only need the single hand handheld ablation needle can, convenient operation, and the progress condition of microwave ablation can all be seen directly perceivedly to whole treatment.
On the basis of the technical scheme, the utility model can be improved as follows.
Further, the ablation device also comprises a peristaltic pump, wherein the peristaltic pump is connected with a capillary tube, and the capillary tube is arranged in the ablation needle.
Further, a temperature measuring module is arranged in the ablation needle and is electrically connected with the controller.
Further, the thermoelectric cooling system also comprises a thermoelectric cooling TEC module, wherein the thermoelectric cooling TEC module is arranged on the solid source and is electrically connected with the controller.
Further, a communication interface is integrated on the controller.
Drawings
Fig. 1 is a schematic diagram of a principal frame structure of the present utility model.
In the drawings, the list of components represented by the various numbers is as follows:
1. a controller; 2. a solid state source; 3. a microwave radiometer antenna; 4. an ablation needle; 5. an A/D conversion chip; 6. a man-machine interaction module; 7. a peristaltic pump; 8. a temperature measurement module; 9. a TEC thermoelectric cooling module; 10. a communication interface.
Detailed Description
The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.
Embodiment 1, as shown in fig. 1, a microwave ablation device based on microwave radiation imaging, comprising a controller 1 and an ablation needle 4, and a solid-state source 2 and a microwave radiometer antenna 3 electrically connected with the controller 1 respectively; the ablation needle 4 is electrically connected with the solid source 2, the microwave radiometer antenna 3 is arranged in the ablation needle 4, the controller 1 is integrated with the A/D conversion chip 5, and the controller 1 is electrically connected with the human-computer interaction module 6.
In the treatment process, a solid source 2 outputs microwave signals to an ablation needle 4, a microwave radiometer antenna 3 in the ablation needle 4 receives the microwave signals reflected by the tissue of the affected part, the microwave signals reflected by the tissue of the affected part are processed through a microwave radiation sampling circuit in the microwave radiometer antenna 3 and an A/D conversion chip 5 integrated on a controller, then data are transmitted to the controller 1, and finally the image of the affected part is displayed in real time through a human-computer interaction module 6; the acquisition of the affected part image is realized through the built-in microwave radiometer antenna 3 in the ablation needle 4, and medical staff does not need to hold imaging equipment in addition in the treatment process by using the microwave ablation needle, only the single-hand-held ablation needle 4 is needed, so that the operation is convenient, and the progress situation of microwave ablation can be intuitively seen in the whole treatment process.
Example 2, as shown in fig. 1, this example is a further improvement over example 1, which is specifically as follows:
the ablation needle also comprises a peristaltic pump 7, wherein the peristaltic pump 7 is connected with a capillary tube, and the capillary tube is arranged in the ablation needle 4. Peristaltic pump 7 and capillary tube perform water-cooling temperature control to ablation needle 4.
Example 3, as shown in fig. 1, this example is a further improvement over example 2, which is specifically as follows:
a temperature measuring module 8 is arranged in the ablation needle 4, and the temperature measuring module 8 is electrically connected with the controller 1. Real-time temperature measurement is performed in the ablation needle 4 through the temperature measurement module 8, so that the flow speed of the peristaltic pump 7 is adjusted according to the temperature, and in a specific implementation process, the model of the temperature measurement module 8 is PT1000.
Example 4, as shown in fig. 1, this example is a further improvement over example 1, which is specifically as follows:
the man-machine interaction module 6 is a touch screen. The output power of the solid source 2, the start and stop time, the treatment time and the real-time temperature of the ablation needle 4 can be set and checked through the touch screen, and in specific implementation, the touch screen is an LED touch screen.
Example 5, as shown in fig. 1, this example is a further improvement over example 1, which is specifically as follows:
the thermoelectric cooling system further comprises a thermoelectric cooling TEC module 9, wherein the thermoelectric cooling TEC module 9 is arranged on the solid-state source 2, and the thermoelectric cooling TEC module 9 is electrically connected with the controller 1. The operating temperature of the solid state source 2 has an effect on the stability of its frequency, in order to ensure that the solid state source 2 operates at a relatively constant temperature, in case a change in temperature has an effect on the output of the solid state source 2 such that phase noise is generated. The temperature data fed back to the controller 1 by the solid source 2 is used for further adjusting the output temperature of the TEC thermoelectric cooling module 9 so as to realize the constant temperature control of the solid source 2. In the implementation process, the cold end of the TEC thermoelectric cooling module 9 is stuck on the solid source 2 through silicone grease, and the hot end of the TEC thermoelectric cooling module 9 is connected with a radiator.
Example 6, as shown in fig. 1, this example is a further improvement over example 1, which is specifically as follows:
the controller 1 has integrated thereon a communication interface 10. The microwave ablation device is connected with the PC end through the communication interface 10, so that the state information of microwave signals can be read on a computer, and in the implementation process, the model of the communication interface 10 is RS232.
While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.
Claims (5)
1. Microwave ablation device based on microwave radiation imaging, characterized by comprising a controller (1) and an ablation needle (4), and a solid-state source (2) and a microwave radiometer antenna (3) electrically connected with the controller (1), respectively; the ablation needle (4) is electrically connected with the solid source (2), the microwave radiometer antenna (3) is arranged in the ablation needle (4), the controller (1) is integrated with the A/D conversion chip (5), and the controller (1) is electrically connected with the human-computer interaction module (6).
2. Microwave ablation device based on microwave radiation imaging according to claim 1, further comprising a peristaltic pump (7), the peristaltic pump (7) being connected with a capillary tube, the capillary tube being arranged within the ablation needle (4).
3. Microwave ablation device based on microwave radiation imaging according to claim 2, characterized in that a temperature measuring module (8) is arranged in the ablation needle (4), the temperature measuring module (8) being electrically connected with the controller (1).
4. A microwave ablation device according to claim 1, further comprising a TEC thermoelectric cooling module (9), the TEC thermoelectric cooling module (9) being disposed on the solid state source (2), the TEC thermoelectric cooling module (9) being electrically connected to the controller (1).
5. Microwave ablation device based on microwave radiation imaging according to claim 1, wherein the controller (1) has integrated thereon a communication interface (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321224516.5U CN219680761U (en) | 2023-05-19 | 2023-05-19 | Microwave ablation equipment based on microwave radiation imaging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321224516.5U CN219680761U (en) | 2023-05-19 | 2023-05-19 | Microwave ablation equipment based on microwave radiation imaging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219680761U true CN219680761U (en) | 2023-09-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321224516.5U Active CN219680761U (en) | 2023-05-19 | 2023-05-19 | Microwave ablation equipment based on microwave radiation imaging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219680761U (en) |
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2023
- 2023-05-19 CN CN202321224516.5U patent/CN219680761U/en active Active
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