CN213940932U - Three-dimensional tumor thermal ablation instrument - Google Patents
Three-dimensional tumor thermal ablation instrument Download PDFInfo
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- CN213940932U CN213940932U CN202020452593.6U CN202020452593U CN213940932U CN 213940932 U CN213940932 U CN 213940932U CN 202020452593 U CN202020452593 U CN 202020452593U CN 213940932 U CN213940932 U CN 213940932U
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Abstract
Three-dimensional tumour thermal ablation appearance. The tumor heating instrument mainly heats the tumor by a heating device, simultaneously monitors the temperature change of normal tissues around the tumor by a temperature measuring needle, controls the heating temperature by a controller, simultaneously monitors the temperature value of the normal tissues, does not damage the normal tissues while inactivating the tumor, and treats the tumor.
Description
Technical Field
The utility model relates to a machine for treating solid tumors and an implementation method thereof. The apparatus is suitable for the treatment of benign and malignant solid tumors.
Background
Among the factors that affect the thermotherapy effect of tumor, the most important is the heating technology, and the ideal heating requires that 100% of tumor tissue is heated to a temperature above its killing value and maintained for a certain time to destroy the focal tissue, but at the same time avoid the damage of normal tissue or organ around the tumor due to overheating.
In order to obtain a desired tumor hyperthermia effect, the following conditions must be satisfied when heating: firstly, tumor cells begin to die when heated to 40-43 ℃; the normal tissue cells are heated to 45-47 ℃ and then die; secondly, the temperature of the heated target tissue area is monitored and controlled instantly in real time, so that a treatment executor can see the temperature distribution and change in the body of a patient at any time, and the degree of grasp on the treatment accuracy is improved; ③ the temperature of normal tissues around the tumor must be kept below 45 ℃.
Disclosure of Invention
The utility model aims to provide a therapeutic equipment of solid tumor and operation method thereof. In order to overcome the radiation that various present tumour thermotherapeutics produced because of improper heating methods, lead to the current situation of the bad treatment result that the thermotherapy apparatus temperature measurement is inaccurate, the estimation heating caused, the utility model provides a solid tumor's therapeutic instrument and operation method can provide accurate, real-time, controllable needs temperature to the tumour.
In the following description, reference is made to the accompanying drawings that are not necessarily drawn to scale, but that are shown without departing from the spirit and scope of the invention. The description is not intended to limit the contents of the following examples.
A three-dimensional tumor thermal ablation instrument comprising: the front end of the heating device 2 with the first temperature sensor 23 is completely closed, the first shell 21 is made of heat conducting material, and the internal heater 22 and the first temperature sensor 23 are respectively led out of the heating device by a first lead 25 and a second lead 26 and then are fixed on one end.
In some embodiments of the present invention, the first housing 21 is a metal heat conducting material or a non-metal heat conducting material.
In some embodiments of the present invention, the first front end 211 is a portion of the first housing 21, and is shaped as one of the following: a sharp shape, a spherical shape, a planar shape, a curved shape, a combination of a planar shape and a circular arc shape, a combination of a planar shape and a slope shape, and a combination of a planar shape and a curved shape.
In some embodiments of the present invention, the first temperature sensor 23 is connected to the first housing 21 without a gap, and the first temperature sensor 23 is connected to the first housing 21 through a heat conductive material.
In some embodiments of the present invention, the front end of the temperature measuring needle 3 with the second temperature sensor 32 is closed, the second housing 31 is made of a heat conducting material, and the second temperature sensor 32 is fixed to a tip after being led out of the heating device by the third wire 34.
In some embodiments of the present invention, the second housing 31 is a thermally conductive material.
In some embodiments of the present invention, the second front end 311 is a part of the second housing 31, and is a sharp shape, a spherical shape, a planar shape, a curved shape, a combined planar and circular arc shape, a combined planar and inclined plane shape, or a combined planar and curved shape.
In some embodiments of the present invention, the second temperature sensor 32 is connected to the second housing 31 without a gap, and the second temperature sensor 32 is connected to the second housing 31 through a heat conductive material.
In some embodiments of the present invention, the controller 1 can control and display the temperature value of the heating device 2, monitor and display the temperature value of the temperature measuring needle 3 and provide direct current.
In some embodiments of the present invention, the first wire 25 and the second wire 26 are directly connected to the controller 1, and the heating temperature of the heating device 2 is changed by the controller 1 and displayed on the controller 1.
In some embodiments of the present invention, the third wire 34 can be directly connected to the controller 1, and the controller 1 can read and display the temperature value of the temperature measuring needle.
In some embodiments of the present invention, the heating device 2 and the temperature measuring needle 3 are electrically connected to the controller 1 through wires.
In some embodiments of the present invention, the controller of the three-dimensional tumor thermal ablation instrument sets an optimal temperature value for the temperature probe; placing a heating device at the optimal position of the tumor; the temperature measuring needle is positioned at the good tissue position on the outer edge of the tumor and is a temperature measuring position; the controller sends an instruction to the heating device to heat the tumor, and when the temperature rises to a certain temperature value, the temperature value sensed by the temperature measuring needle is higher than the body temperature of the human body; when the temperature value monitored by the temperature measuring needle reaches the optimal temperature value of the temperature measuring needle set by the controller, the controller can record the temperature value of the heating device at the moment, and the constant temperature value of the heating device is ensured through the control of the controller; and heating for a certain time.
In some embodiments of the present invention, the temperature measurement position of the three-dimensional tumor thermal ablation instrument includes any position on the tumor within 10mm near the outer edge of the geometric shape of the tumor.
In some embodiments of the utility model, the temperature measuring needle acts on near tumour tissue department, and the whole real-time supervision temperature measuring needle's of controller temperature, its best temperature value are stabilized in 40 ~ 45 ℃ within range.
In some embodiments of the present invention, the heating device acts on the position of the patient to be treated, and the temperature value of the heating device controlled by the controller is maintained between 43 ℃ and 70 ℃.
In some embodiments of the present invention, the heating device controls the temperature at a constant temperature within the range of 43-70 ℃, and the heating device or the fixed temperature value heats the tumor at a constant temperature, or the required temperature value changes in real time heats the tumor.
In some embodiments of the present invention, the temperature control time of the heating device is within the range of 20 to 90 minutes.
The utility model discloses an in some embodiments, the temperature measurement needle is not in 40 ~ 45 ℃ scope, and heating device can be according to the corresponding adjustment temperature of control instrument, perhaps constant temperature heating, perhaps alternating temperature heating, keeps the temperature at 43 ~ 70 ℃ within range.
In some embodiments of the present invention, the number of the heating devices is at least 1, and the heating devices correspond to 1 temperature measuring needle, or correspond to a plurality of temperature measuring needles; or a plurality of heating devices correspond to a plurality of temperature measuring needles.
The utility model has the advantages that:
1. because the temperature of normal tissue can be monitored by the instrument and the temperature of the normal tissue is in a safe range of 40-45 ℃, the instrument can inactivate tumors on the premise of not damaging the normal tissue.
2. Because the instrument can simultaneously use a plurality of heating devices which independently work to carry out tumor treatment, the instrument can realize the complete and seamless conformal heating treatment of tumor tissues of tumors with any shapes.
3. Because the temperature of the apparatus for inactivating the tumor is between 43 and 70 ℃, and the apparatus belongs to the low-temperature treatment range of the tumor, the apparatus can ensure that the tumor does not have carbonization points in the heating process, thereby avoiding various postoperative complications.
4. Clinical experiments show that the instrument has direct and obvious ablation effect on solid tumors, and can play a role in improving the immunologic function through thermal therapy stimulation.
Drawings
FIG. 1: schematic representation of tumor treatment method;
FIG. 2: structure diagram of heating device;
FIG. 3: a temperature measuring needle structure diagram;
FIG. 4: a thermal field schematic diagram of a single heating device;
Detailed Description
The utility model provides a treatment means for solid tumor, which overcomes the current situation of bad treatment result caused by improper heating mode of the prior various tumor thermotherapy. The specific implementation mode is as follows:
the heating device leads 25 and 26 are connected with a controller, the temperature measuring needle lead 34 is connected with the controller, the controller is powered on, and the next operation can be carried out after the controller displays that the temperature value of the heating device is stable.
Further, the heating device 2 acts on the corresponding position of the patient.
The heating device body is a metal heat conducting housing 21 with a sharp front end 211 that an operator can insert directly into a patient's tumor. The front end in the heating device is provided with a heater 22, and the heater is led out of the heating device through a lead 25 and is connected to a control instrument. The first temperature sensor 23 is arranged in the heating device, the heating device is led out through a lead 26 and is connected to the control instrument, and the temperature value monitored by the first temperature sensor 23 in real time can be transmitted to the control instrument. The tail of the heating device is provided with a handle 24, which is convenient for the operator to operate.
Further, the temperature measuring needle 3 acts on the good tissue immediately outside the tumor margin. The temperature probe body is a metal shell 31, and an operator can directly insert the sharp front end 311 of the temperature probe into the tumor edge of a patient. The second temperature sensor 32 is arranged in the temperature measuring needle, the temperature measuring needle is led out through a lead 34 and is connected to the controller, and the temperature value monitored by the second temperature sensor 32 in real time can be transmitted to the controller.
Further, the operation of the heating device and the temperature probe has been completed, as shown in fig. 1.
The controller can set the optimal temperature value of the temperature measuring needle; the operation controller can send an instruction to the heating device to heat the tumor, and when the temperature of the tumor rises to a certain temperature value, the temperature value sensed by the temperature measuring needle is higher than the body temperature of a human body; when the temperature value monitored by the temperature measuring needle reaches the optimal temperature value of the temperature measuring needle set by the controller, the controller can record the temperature value of the heating device at the moment, and the temperature value of the heating device can be ensured to be constant through the control of the controller.
Each path of heating measurement and control device works independently and supplies power independently; the stabilized voltage direct current output by the controller is within a safety range of 36V.
Fig. 4 shows the principle of the thermal field of a single heating device. After the heating device 2 intervenes in a human body, a thermal field is formed around the heating device due to the heating effect of the heating device and is gradually expanded, the temperature at the heating device is highest, the temperature is lower towards the periphery, and the temperature is balanced in a slope type with the inside higher and the outside lower through a certain time. Here, the temperature of the heating device determines the range of the heating radius 41.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (1)
1. A three-dimensional tumor thermal ablation instrument comprising:
the heating device (2) with the first temperature sensor (23) is completely sealed at the front end, the first shell (21) is made of heat conducting materials, and the internal heater (22) and the first temperature sensor (23) are respectively led out of the heating device through a first lead (25) and a second lead (26) and then are fixed on one end head; the method is characterized in that:
the first shell (21) is a metal heat conduction material or a non-metal heat conduction material;
the first front end (211) is a part of the first housing (21) and has a shape of one of: a sharp shape, a spherical shape, a planar shape, a curved shape, a combined shape of a plane and an arc, a combined shape of a plane and an inclined plane, a combined shape of a plane and a curved surface;
the first temperature sensor (23) is connected with the first outer shell (21) without clearance, and the first temperature sensor (23) is connected with the first outer shell (21) through a heat conduction material;
the front end of the temperature measuring needle (3) with the second temperature sensor (32) is closed, the second shell (31) is made of heat conducting materials, and the second temperature sensor (32) in the second shell is fixed on one end head after being led out of the heating device through a third lead (34);
said second housing (31) is a thermally conductive material;
the second front end (311) is a part of the second housing (31) and has one of the following shapes: a sharp shape, a spherical shape, a planar shape, a curved shape, a combined shape of a plane and an arc, a combined shape of a plane and an inclined plane, a combined shape of a plane and a curved surface;
the second temperature sensor (32) is connected to the second housing (31) without a gap, and the second temperature sensor (32) is connected to the second housing (31) by a thermally conductive material;
the controller (1) is used for controlling and displaying the temperature value of the heating device (2), monitoring and displaying the temperature value of the temperature measuring needle (3) and providing direct current;
the first lead (25) and the second lead (26) are directly connected to the control instrument (1), the heating temperature of the heating device (2) is changed through the control instrument (1), and the change is displayed on the control instrument (1);
the third lead (34) can be directly connected to the controller (1), and the controller (1) can read and display the temperature value of the temperature measuring needle;
the heating device (2) and the temperature measuring needle (3) are electrically connected with the controller (1) through a lead.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020452593.6U CN213940932U (en) | 2020-03-30 | 2020-03-30 | Three-dimensional tumor thermal ablation instrument |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020452593.6U CN213940932U (en) | 2020-03-30 | 2020-03-30 | Three-dimensional tumor thermal ablation instrument |
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| CN213940932U true CN213940932U (en) | 2021-08-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114983562B (en) * | 2022-06-01 | 2023-04-07 | 南京诺源医疗器械有限公司 | Support adjusting method, device and system, electronic equipment and storage medium |
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2020
- 2020-03-30 CN CN202020452593.6U patent/CN213940932U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114983562B (en) * | 2022-06-01 | 2023-04-07 | 南京诺源医疗器械有限公司 | Support adjusting method, device and system, electronic equipment and storage medium |
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