CN110787378A - Degassed water circulation device and high-intensity focused ultrasound therapeutic apparatus - Google Patents

Abstract

The invention relates to a degassing water circulation device. The circulating water degassing device comprises a water circulation pipeline and a detection pipeline. The water circulation pipeline is used to maintain the circulation of the degassed water, and the water circulation pipeline can be respectively communicated with the water inlet and the water outlet of the ultrasonic transducer. The detection pipeline is connected with the water circulation pipeline, and the sealing performance of the water circulation pipeline and the ultrasonic transducer can be detected when the detection pipeline is connected with the water circulation pipeline. The present invention also relates to a high-intensity focused ultrasound therapeutic apparatus comprising the above-mentioned degassed water circulation device. In the above-mentioned degassed water circulation device and high-intensity focused ultrasound therapeutic apparatus, before the water circulation pipeline circulates and transports degassed water, the detection pipeline is communicated with the water circulation pipeline, and the sealing performance of the water circulation pipeline is detected. The sealing performance of the water circulation pipeline is detected in advance, which effectively ensures the stable progress of the degassed water circulation transportation process by the water circulation pipeline, thereby ensuring the smooth progress of the ultrasonic treatment process.

Description

Degassed water circulation device and high-intensity focused ultrasound therapeutic apparatus

technical field

The invention relates to the technical field of medical devices, in particular to a degassed water circulation device and a high-intensity focused ultrasound therapeutic apparatus.

Background technique

The water treatment system is an important part of the medical equipment for high-intensity focused ultrasound treatment of tumors. Since the energy of ultrasonic waves is rapidly attenuated when it propagates in the air, degassed water is generally required when the high-intensity focused ultrasound tumor treatment host works. As a couplant between the human body and the ultrasonic generator, it avoids the attenuation of ultrasonic waves in the air. The sealing performance of the degassed water circulation device has an important impact on the patient treatment effect. However, the current degassed water circulation device can only judge its overall sealing performance in the process of circulating degassed water, and there is a hidden danger that affects the treatment effect.

SUMMARY OF THE INVENTION

Based on this, it is necessary to provide a degassed water circulation device and a high-intensity focused ultrasound therapeutic apparatus that can judge the overall sealing performance in advance, aiming at the problem that the current degassed water circulation device can only judge its overall sealing performance when degassed water is circulated. .

A degassed water circulating device, the circulating water degassing device comprises:

a water circulation pipeline for maintaining the circulation of degassed water, and the water circulation pipeline can be respectively communicated with the water inlet and the water outlet of the ultrasonic transducer;

The detection pipeline is connected with the water circulation pipeline, and when the detection pipeline is communicated with the water circulation pipeline, the sealing performance of the water circulation pipeline and the ultrasonic transducer can be detected.

In one embodiment, the water circulation pipeline includes a water storage tank, a circulation pump, a degassing component and a circulation pipeline, the degassing component is used to remove gas in the water, and the circulation pipeline can be connected with the ultrasonic transducer. The water inlet and the water outlet are respectively connected to form a closed loop, and the circulation pipeline is serially connected to the water storage tank, the circulation pump and the degassing component in series along the water flow direction; The water pump in the tank goes to the degassing component, the circulation pipeline transports the degassed water after removing the gas to the ultrasonic transducer, and the water storage tank receives the degassed water flowing through the ultrasonic transducer; the detection The pipeline is connected with the circulation pipeline, and when the detection pipeline is connected with the circulation pipeline, the sealing performance of the water circulation pipeline can be detected.

In one embodiment, the water circulation pipeline further includes a first filter, the first filter is connected to the circulation pipeline in series, and the first filter is disposed along the water flow direction between the circulation pump and the between the degassing components described above.

In one embodiment, the water circulation pipeline further includes a temperature adjustment component, the temperature adjustment component is used to adjust the water temperature of the degassed water, the temperature adjustment component is connected in series with the circulation pipeline, and the temperature adjustment component It is arranged downstream of the degassing component along the direction of water flow, and the circulation pipeline transports the degassed water whose water temperature is adjusted to the ultrasonic transducer.

In one embodiment, the temperature adjustment component includes a chiller and a temperature sensor, the chiller and the temperature sensor are serially connected to the circulation pipeline along the water flow direction, and the chiller is used for cooling and degassing water to a set temperature range, the temperature sensor is used to monitor the water temperature of the degassed water, the temperature sensor is electrically connected to the chiller, and the temperature sensor can transmit the water temperature data of the degassed water to the chiller .

In one embodiment, the water circulation pipeline further includes a second filter, the second filter is connected to the circulation pipeline in series, and the second filter is arranged on the temperature adjustment component along the water flow direction. Downstream, the circulation conduit conveys the degassed water filtered by the second filter to the ultrasonic transducer.

In one embodiment, the water circulation pipeline further includes a pressure sensor and a circulation check valve, the pressure sensor and the circulation check valve are serially connected to the circulation pipeline along the water flow direction, and the pressure sensor and the circulation check valve are respectively arranged upstream of the water storage tank along the water flow direction; the water storage tank receives the degassing flowing through the ultrasonic transducer, the pressure sensor and the circulation check valve in sequence water; the pressure sensor is used to detect the fluid pressure value in the water circulation pipeline, the pressure sensor is electrically connected with the circulation pump, and the pressure sensor can connect the water circulation pipeline and the pressure in the ultrasonic transducer The fluid pressure value is communicated to the circulation pump.

In one embodiment, the water circulation pipeline further includes a germicidal lamp tube, and the germicidal lamp tube is arranged in the water storage tank.

In one embodiment, the water circulation pipeline further includes a gas content detector, and the gas content detector is arranged in the water storage tank.

In one of the embodiments, the material of the connecting part of the circulation pipe and the transducer includes non-magnetic material.

In one embodiment, the detection pipeline includes a detection pipeline, an air pump, a three-way valve and an air tightness detector, the detection pipeline is connected to the circulation pipeline through the three-way valve, and the air pump and the The air-tightness detectors are respectively connected with the detection pipelines; when the detection pipelines are connected with the circulation pipelines, the air pump fills the detection pipelines with gas of a set pressure, and the air-tightness detectors use It is used to monitor the change of air pressure in the detection pipeline.

In one embodiment, the water circulation pipeline further includes a circulation switch, the circulation switch is arranged upstream of the water storage tank along the water flow direction, and the position where the three-way valve is connected to the circulation pipeline is along the water flow The direction is upstream of the ultrasonic transducer; the detection pipeline also includes a detection switch and a gas filter, the air tightness detector is arranged downstream of the air pump along the gas flow direction during inflation, the detection switch and the gas filter The gas filters are respectively connected in series with the detection pipeline, and the detection switch and the gas filter are respectively arranged between the air pump and the air tightness detector; when the circulation switch is in a closed state, the The detection switch is in the open state, the three-way valve communicates the detection pipeline and the circulation pipeline to one side of the ultrasonic transducer, the gas filter filters the gas charged into the detection pipeline by the air pump, When the gas in the detection pipeline reaches the set pressure, the detection switch closes the detection pipeline, and the air tightness detector monitors the change of the air pressure in the detection pipeline.

In one embodiment, the detection switch is arranged downstream of the gas filter along the gas flow direction during inflation, and the detection pipeline further includes a gas storage tank, and the gas storage tank is connected in series with the detection pipeline , the gas storage tank is arranged between the gas filter and the detection switch; when the detection switch is closed, the gas storage tank stores and compresses the gas filtered by the gas filter; When the detection switch is turned on, the compressed gas in the gas storage tank enters the detection pipeline through the detection switch.

In one embodiment, the detection pipeline further includes an air pressure sensor, the air pressure sensor is arranged in the air storage tank, the air pressure sensor is electrically connected to the air pump, and the air pressure sensor can The pressure value in the air tank is transmitted to the air pump.

In one embodiment, the detection pipeline further includes a detection check valve, the detection check valve is connected in series with the detection pipeline, and the detection check valve is arranged on the gas storage along the gas flow direction during inflation between the tank and the detection switch.

A high-intensity focused ultrasound therapeutic apparatus, comprising an ultrasonic transducer and the degassed water circulation device according to any one of the above solutions, the ultrasonic transducer has a water inlet and a water outlet, and the water circulation pipeline can be connected with the water circulation pipeline. The water inlet and the water outlet of the ultrasonic transducer are respectively connected, and the position where the detection pipeline is connected to the water circulation pipeline is located upstream of the water inlet along the water flow direction.

In the above-mentioned degassed water circulation device and high-intensity focused ultrasound therapeutic apparatus, before the water circulation pipeline circulates and transports degassed water, the detection pipeline is communicated with the water circulation pipeline, and the sealing performance of the water circulation pipeline is detected. The sealing performance of the water circulation pipeline is detected in advance, which effectively ensures the stable progress of the degassed water circulation transportation process by the water circulation pipeline, thereby ensuring the smooth progress of the ultrasonic treatment process.

Description of drawings

The accompanying drawings constituting a part of the present application are used to provide further understanding of the present invention, and the exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention.

In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the description of the embodiments. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative effort.

FIG. 1 is a schematic diagram of a degassed water circulation device and a high-intensity focused ultrasound therapeutic apparatus according to an embodiment of the present invention.

Among them: 10-degassing water circulation device; 100-water circulation pipeline, 101-water storage tank, 102-circulation pump, 103-degassing membrane structure, 104-vacuum pump, 105-circulation pipeline, 106-first filter, 107 -Chiller, 108-Temperature sensor, 109-Second filter, 110-Pressure sensor, 111-Circulation check valve, 112-Bactericidal lamp, 113-Gas content detector, 114-Circulation switch; 200-Detection tube Road, 201-detection pipeline, 202-air pump, 203-three-way valve, 204-air tightness detector, 205-detection switch, 206-gas filter, 207-gas storage tank, 208-air pressure sensor, 209-detection Check valve; 30-Degassed water; 50-Ultrasonic transducer; 501-Water inlet, 502-Water outlet.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. The following description of the specific embodiments is only exemplary, and it should be understood that the specific implementations described herein are only used to explain the present invention, but not to limit the present invention and its application or usage.

It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. In contrast, when an element is referred to as being "directly" connected to another element, there are no intervening elements present. The terms "vertical," "horizontal," "left," "right," and similar expressions are used herein for illustrative purposes only.

In the description of the present invention, it should be understood that the terms "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", " The orientation or positional relationship indicated by "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying The device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention.

High-intensity focused ultrasound therapy is a new type of tumor therapy. When using this method to treat tumors, ultrasonic positioning can be used, and high-intensity ultrasonic waves can be used to kill tumor cells in the target area without damaging surrounding normal tissues, thereby realizing minimally invasive treatment of tumor tissues. Since ultrasonic waves decay quickly in the air, water degassed is generally used as the transmission medium for ultrasonic waves in the actual treatment process. Therefore, stable circulation of degassed water is a key step to ensure high-intensity focused ultrasound therapy. Based on this, the present invention provides a degassed water circulation device and a high-intensity focused ultrasound therapeutic apparatus capable of stably circulating degassed water.

As shown in FIG. 1 , an embodiment of the present invention provides a degassing water circulation device 10 . The circulating water degassing device includes a water circulation pipeline 100 and a detection pipeline 200 . The water circulation pipeline 100 is used to maintain the circulation of the degassed water 30 , and the water circulation pipeline 100 can be respectively communicated with the water inlet 501 and the water outlet 502 of the ultrasonic transducer 50 . The detection pipeline 200 is connected to the water circulation pipeline 100 . When the detection pipeline 200 is connected with the water circulation pipeline 100 , the sealing performance of the water circulation pipeline 100 and the ultrasonic transducer 50 can be detected. In the above-mentioned degassed water circulation device 10, before the water circulation pipe 100 circulates the degassed water 30, the detection pipe 200 is communicated with the water circulation pipe 100, and the sealing performance of the water circulation pipe 100 is detected. The sealing performance of the water circulation pipeline 100 is detected in advance, which effectively ensures the stable progress of the water circulation pipeline 100 to the degassed water 30 in the process of circulating and conveying, thereby ensuring the smooth progress of the ultrasonic treatment process.

The function of the water circulation pipeline 100 is to perform degassing treatment on the degassed water 30, and at the same time, stably circulate the degassed water 30 after the degassing treatment into the transducer. As shown in FIG. 1 , in an embodiment of the present invention, the water circulation pipeline 100 includes a water storage tank 101 , a circulation pump 102 , a degassing component and a circulation pipeline 105 . The degassing component is used to remove the gas in the water. The circulation pipe 105 can be connected with the water inlet 501 and the water outlet 502 of the ultrasonic transducer 50 respectively to form a closed loop. The circulation pipe 105 is serially connected to the water storage tank 101 along the water flow direction. , circulation pump 102 and degassing components. The circulation pump 102 pumps the water in the water storage tank 101 to the degassing component, the circulation pipeline 105 transports the degassed water 30 after removing the gas to the ultrasonic transducer 50, and the water storage tank 101 receives the degassed water flowing through the ultrasonic transducer 50. Air and water 30. The detection pipeline 200 is connected with the circulation pipeline 105 , and the sealing performance of the water circulation pipeline 100 can be detected when the detection pipeline 200 is connected with the circulation pipeline 105 . As an achievable manner, the type of the circulating pump 102 includes a variable frequency speed-regulated water pump, which provides power for the circulation of the degassed water 30 in the whole set of the degassed water circulating device 10 .

In the above embodiment, the water detection pipeline 200 is connected with the circulation pipeline 105, and the structure is simple and the connection is stable. The circulating pump 102 is used as the power source of the entire water circulating pipeline 100 to ensure that the degassed water 30 flows in the circulating pipeline 105 according to the set direction and flow rate. The water storage tank 101 serves as a temporary storage location for the degassed water 30 , continuously delivering the stored degassed water 30 to the circulating pump 102 , and at the same time continuously receiving the degassed water flowing through the ultrasonic transducer 50 . The water storage tank 101 cooperates with the circulation pump 102 to ensure the stable circulation of the degassed water 30 along the circulation pipeline 105 . As shown in FIG. 1 , further, the degassing assembly includes a degassing membrane structure 103 and a vacuum pump 104 . The degassing membrane structure 103 is connected in series with the circulation pipeline 105 , and the degassing membrane structure 103 degass the water transported by the circulation pump 102 . The vacuum pump 104 is connected to the degassing membrane structure 103 for discharging the gas generated in the degassing process out of the degassing membrane structure 103 . Furthermore, the water circulation pipeline 100 further includes a gas content detector 113 . The gas content detector 113 is arranged in the water storage tank 101 , and the gas content detector 113 can monitor the gas content in the degassed water 30 in real time. As an achievable way, the gas detector is electrically connected to the degassing membrane structure 103, the gas detector can transmit the gas content data in the degassed water 30 to the degassing membrane structure 103, and the degassing membrane structure 103 can The gas content data in the gas water 30 adjusts its own degassing parameters.

The quality of the degassed water 30 is the premise to ensure the effective progress of the high-intensity focused ultrasound treatment process. As shown in FIG. 1, in an embodiment of the present invention, the water circulation pipeline 100 further includes a first filter 106, the first filter 106 is connected to the circulation pipe 105 in series, and the first filter 106 is disposed along the water flow direction on the circulation pump 102 and the degassing assembly. The degassed water 30 delivered by the circulating pump 102 first passes through the first filter 106, which can effectively remove tiny particles in the degassed water 30 and ensure the purity of the degassed water 30 flowing through the degassing components and the ultrasonic transducer 50. to ensure the smooth progress of the degassing process of the degassing component and the smooth progress of the treatment process of the ultrasonic transducer 50 .

Keeping the water temperature of the degassed water 30 within the set range is the premise to ensure that the high-intensity focused ultrasound treatment process is effectively carried out. Therefore, ensure the water temperature of the degassed water 30 during the circulation process, especially to ensure that the degassed water 30 flows through the ultrasonic transducer. The water temperature of 50 o'clock is especially important. As shown in FIG. 1 , in an embodiment of the present invention, the water circulation pipeline 100 further includes a temperature adjustment component. The temperature adjustment component is used to adjust the water temperature of the degassed water 30. The temperature adjustment component is connected in series with the circulation pipeline 105. The temperature adjustment component The circulation pipe 105 is arranged downstream of the degassing component along the water flow direction, and the circulation pipe 105 transports the degassed water 30 whose water temperature is adjusted to the ultrasonic transducer 50 . The temperature adjustment component effectively ensures that the water temperature of the degassed water 30 is kept within the set range. In general, as the cycle process increases, the temperature of the degassed water 30 itself also increases gradually.

As an achievable manner, as shown in FIG. 1 , the temperature adjustment assembly includes a chiller 107 and a temperature sensor 108 , and the chiller 107 and the temperature sensor 108 are serially connected to the circulation pipe 105 along the water flow direction. The chiller 107 is used to cool the degassed water 30 to a set temperature range, and the degassed water 30 after the degassing treatment enters the chiller 107 through the circulation pipe 105 for cooling in an appropriate range. The temperature sensor 108 is used to monitor the water temperature of the degassed water 30 to determine whether the degassed water 30 is within the set water temperature range. Further, the temperature sensor 108 is electrically connected to the chiller 107, the temperature sensor 108 can transmit the water temperature data of the degassed water 30 to the chiller 107, and the chiller 107 adjusts its own operating parameters according to the water temperature data fed back by the temperature sensor 108 to further ensure the degassed water. The water temperature of the gas-water 30 is maintained within the set temperature range.

The quality of the degassed water 30 is the premise to ensure the effective progress of the high-intensity focused ultrasound treatment process. In an embodiment of the present invention, as shown in FIG. 1 , the water circulation pipeline 100 further includes a second filter 109, the second filter 109 is connected to the circulation pipeline 105 in series, and the second filter 109 is disposed along the water flow direction at the temperature adjustment Downstream of the assembly, the circulation line 105 delivers the degassed water 30 filtered by the second filter 109 to the ultrasonic transducer 50 . The second filter 109 can effectively filter the degassed water 30 flowing through the chiller 107, further remove tiny particles in the degassed water 30, ensure the purity of the degassed water 30 flowing through the ultrasonic transducer 50, and further ensure the ultrasonic The treatment process of the transducer 50 is carried out smoothly.

The degassed water 30 needs to maintain a certain water pressure when circulating in the circulation pipe 105 and the ultrasonic transducer 50 . In an embodiment of the present invention, as shown in FIG. 1 , the water circulation pipeline 100 further includes a pressure sensor 110 and a circulation check valve 111 . The pressure sensor 110 and the circulation check valve 111 are serially connected to the circulation pipeline 105 in series along the water flow direction. The pressure sensor 110 and the circulation check valve 111 are respectively disposed upstream of the water storage tank 101 along the water flow direction. The water storage tank 101 receives the degassed water 30 that flows through the ultrasonic transducer 50 , the pressure sensor 110 and the circulation check valve 111 in sequence. The pressure sensor 110 is used to detect the fluid pressure value in the water circulation pipeline 100 . The pressure sensor 110 is adjacent to the ultrasonic transducer 50 and can effectively monitor the pressure value of the degassed water 30 in the ultrasonic transducer 50 .

Further, the pressure sensor 110 is electrically connected to the circulation pump 102 , and the pressure sensor 110 can transmit the fluid pressure value in the water circulation pipeline 100 and the ultrasonic transducer 50 to the circulation pump 102 . Then the circulating pump 102 adjusts its own working parameters (such as the rotational speed of the circulating pump 102 ) or the output pressure of the degassed water 30 according to the pressure value of the degassed water 30 , and finally ensures the pressure value of the degassed water 30 in the ultrasonic transducer 50 It is maintained within a safe range to prevent the ultrasonic transducer 50 and the degassed water circulation device 10 from leaking due to excessive water pressure.

The circulation check valve 111 can prevent the degassed water 30 in the water storage tank 101 from flowing back into the ultrasonic transducer 50 . After the patient's treatment is completed, the patient's head is separated from the ultrasonic transducer 50, so that the ultrasonic transducer 50 will no longer be airtight. At this time, if there is a backflow of the degassed water 30, the magnetic resonance bed may malfunction. Further, as shown in FIG. 1 , the circulation check valve 111 includes one or both of a mechanical check valve and an electronic check valve. There is a high magnetic field effect during the guidance of magnetic resonance imaging. If the structures around the ultrasonic transducer 50 have strong magnetic sensitivity, the imaging quality in the later stage will be greatly affected. In an embodiment of the present invention, the material of the connecting part of the circulation pipe 105 and the transducer includes a non-magnetic material, such as a rubber pipe or a plastic pipe, which greatly improves the imaging quality and avoids imaging problems caused by equipment materials. Misdiagnosis of illness.

The quality of the degassed water 30 is the premise to ensure the effective progress of the high-intensity focused ultrasound treatment process. In an embodiment of the present invention, as shown in FIG. 1 , the water circulation pipeline 100 further includes a germicidal lamp tube 112 , and the germicidal lamp tube 112 is disposed in the water storage tank 101 . The germicidal lamp 112 is used to sterilize the degassed water 30 that is continuously used in the whole degassed water circulation device 10, thereby ensuring the sterility of the water used in the whole degassed water circulation device 10, and ensuring that even if the patient's head is damaged, it will not be damaged. be infected. It can be understood that the germicidal lamp 112 can emit one or more kinds of light that can kill bacteria. As an achievable way, the germicidal lamp tube 112 emits ultraviolet light, and the germicidal lamp tube 112 is immersed in the degassed water 30 in the water storage tank 101 , and the difference between the germicidal lamp tube 112 and the degassed water 30 is increased. The contact area and contact distance ensure the effective sterilization process.

The detection pipeline 200 is a key structure for predicting the sealing performance of the water circulation pipeline 100 and the ultrasonic transducer 50 in the degassed water circulation device 10 . Optionally, the detection pipeline 200 may use gas or liquid to detect the sealing performance of the water circulation pipeline 100 and the ultrasonic transducer 50 . In an embodiment of the present invention, as shown in FIG. 1 , the detection pipeline 200 includes a detection pipeline 201 , an air pump 202 , a three-way valve 203 and an air tightness detector 204 , and the detection pipeline 201 is connected to the circulation pipeline 105 through the three-way valve 203 , the air pump 202 and the air tightness detector 204 are respectively connected to the detection pipeline 201 . When the detection pipeline 201 is in communication with the circulation pipeline 105 , the air pump 202 fills the detection pipeline 201 with gas of a set pressure, and the air tightness detector 204 is used to monitor the change of the air pressure in the detection pipeline 201 . Using gas as the detection medium for the sealing performance of the water circulation pipeline 100 and the ultrasonic transducer 50 will not cause pollution to medical equipment and medical space even if the sealing performance of the water circulation pipeline 100 or the ultrasonic transducer 50 is poor.

In an embodiment of the present invention, as shown in FIG. 1 , the water circulation pipeline 100 further includes a circulation switch 114 . The circulation switch 114 is disposed upstream of the water storage tank 101 along the water flow direction, and the three-way valve 203 is connected to the circulation pipeline at a position where Located upstream of the ultrasonic transducer 50 in the direction of water flow. The detection pipeline 200 also includes a detection switch 205 and a gas filter 206. The air tightness detector 204 is arranged downstream of the gas pump 202 along the gas flow direction during inflation. The switch 205 and the gas filter 206 are respectively disposed between the air pump 202 and the air tightness detector 204 . As an achievable way, the gas delivered by the air pump 202 to the detection pipe 201 is air, and the gas filter 206 can effectively filter the tiny particles in the air, ensuring the detection pipe 201, the circulation pipe 105 and the ultrasonic transducer. Cleaning within 50.

In the above embodiment, when the circulation switch 114 is in the closed state, the detection switch 205 is in the open state, the three-way valve 203 connects the detection pipeline 201 and the circulation pipeline 105 to one side of the ultrasonic transducer 50, and the gas filter 206 filters the air pump 202 is filled with the gas in the detection pipe 201. When the gas in the detection pipe 201 reaches the set pressure, the detection switch 205 closes the detection pipe 201, and the air tightness detector 204 monitors the change of the air pressure in the detection pipe 201. The detection switch 205 and the circulation switch 114 can effectively form a closed space formed by part of the detection pipe 201, part of the circulation pipe 105 and the ultrasonic transducer 50, which is beneficial for the air tightness detector 204 to accurately detect the circulation pipe 105 and the ultrasonic transducer. 50 sealing performance. When the air pressure value in the detection pipeline 201 drops significantly in a short period of time, it means that the sealing performance of the water circulation pipeline 100 or the super energy transducer is not good, and further investigation is required.

Further, as shown in FIG. 1 , the detection switch 205 is disposed downstream of the gas filter 206 along the gas flow direction during inflation, and the detection pipeline 200 further includes a gas storage tank 207, which is connected in series with the detection pipeline 201, and the gas storage tank 207 is connected to the detection pipeline 201 in series. The tank 207 is provided between the gas filter 206 and the detection switch 205 . When the detection switch 205 is turned off, the gas storage tank 207 stores and compresses the gas filtered by the gas filter 206 . When the detection switch 205 is turned on, the compressed gas in the gas storage tank 207 is charged into the detection pipe 201 through the detection switch 205 . The gas transported by the gas pump 202 is stored and compressed by the gas storage tank 207 , which can ensure that the compressed gas enters the detection pipeline 201 , the circulation pipeline 105 and the ultrasonic transducer 50 stably. As an achievable way, as shown in FIG. 1 , when the circulation switch 114 is in the closed state and the detection switch 205 is in the open state, the three-way valve 203 connects the detection pipeline 201 and the circulation pipeline 105 to the ultrasonic transducer 50 . On one side, the gas in the gas storage tank 207 enters the circulation pipe and the ultrasonic transducer 50 through the detection pipe 200 stably. The pressure sensor 110 located downstream of the ultrasonic transducer 50 can monitor the air pressure value in the circulation pipe 105. When the pressure value in the circulation pipeline 105 reaches the set value, the detection switch 205 is turned off and the air tightness detector 204 is activated.

On the premise of a fixed volume, the gas storage tank 207 can store gas with a set pressure upper limit. In an embodiment of the present invention, as shown in FIG. 1 , the detection pipeline 200 further includes an air pressure sensor 208 . The air pressure sensor 208 is disposed in the air storage tank 207 , and the air pressure sensor 208 can monitor the air pressure value in the air storage tank 207 in real time. The air pressure sensor 208 is electrically connected to the air pump 202 , and the air pressure sensor 208 can transmit the pressure value in the air storage tank 207 to the air pump 202 . When the pressure in the air storage tank 207 reaches the set value, the air pump 202 stops pumping gas into the air storage tank 207 . Further, the detection pipeline 200 further includes a detection check valve 209, which is connected in series with the detection pipeline 201, and is arranged between the gas storage tank 207 and the detection switch 205 along the gas flow direction during inflation. The detection check valve 209 ensures that the gas flows in a single direction.

As shown in FIG. 1 , an embodiment of the present invention further provides a high-intensity focused ultrasound therapeutic apparatus, including an ultrasonic transducer 50 and the degassed water circulation device 10 according to any one of the above solutions. The ultrasonic transducer 50 has an advanced The water outlet 501 and the water outlet 502, the water circulation pipeline 100 can be communicated with the water inlet 501 and the water outlet 502 of the ultrasonic transducer 50 respectively, and the position where the detection pipeline 200 is connected with the water circulation pipeline 100 is located upstream of the water inlet 501 along the water flow direction . The water circulation pipeline 100 can provide circulating degassed water 30 into the ultrasonic transducer 50 , and the detection pipeline 200 can detect the sealing performance of the water circulation pipeline 100 and the ultrasonic transducer 50 by means of inflation. Further, the ultrasonic transducer 50 is in the shape of a hemisphere, and the structural design shape of the ultrasonic transducer 50 is conducive to accommodating the entire brain, and is conducive to the coverage of the positioning target of the entire ultrasonic module to the ultrasonic treatment target in any position of the entire brain, and is conducive to The ultrasonic transducer 50 is sealed with the water filling of the head during the treatment process, thereby facilitating the conduction of ultrasonic energy. At the same time, after the kinetic energy generated by the ultrasonic transducer 50 is converted into heat energy during the entire treatment process, the generated heat can be taken away by the flow of the degassed water 30 . Furthermore, in the high-intensity focused ultrasound therapeutic apparatus, only the ultrasonic transducer 50 is installed in the nuclear magnetic room for use, and the rest of the structures are installed outside the nuclear magnetic room to avoid affecting the imaging effect of the nuclear magnetic resonance.

The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity, all possible combinations of the technical features in the above-described embodiments are not described. However, as long as there is no contradiction between the combinations of these technical features, All should be regarded as the scope described in this specification.

The above-mentioned embodiments only represent several embodiments of the present invention, and the descriptions thereof are specific and detailed, but should not be construed as a limitation on the scope of the invention patent. It should be pointed out that for those of ordinary skill in the art, without departing from the concept of the present invention, several modifications and improvements can also be made, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention should be subject to the appended claims.

Claims (16)

1. A deaerated water circulating apparatus, characterized in that the deaerated water circulating apparatus comprises:

the water circulation pipeline is used for maintaining the circulation of degassed water and can be respectively communicated with a water inlet and a water outlet of the ultrasonic transducer;

and the detection pipeline is connected with the water circulation pipeline, and can detect the sealing performance of the water circulation pipeline and the ultrasonic transducer when being communicated with the water circulation pipeline.

2. The deaerated water circulating apparatus according to claim 1, wherein the water circulating line includes a water storage tank, a circulating pump, a deaerating unit, and a circulating pipe, the deaerating unit is configured to remove gas from water, the circulating pipe is capable of being communicated with a water inlet and a water outlet of the ultrasonic transducer, respectively, and forms a closed loop, and the circulating pipe is serially connected to the water storage tank, the circulating pump, and the deaerating unit in a water flow direction; the circulating pump pumps water in the water storage tank to the degassing component, the circulating pipeline conveys degassed water after gas removal to the ultrasonic transducer, and the water storage tank receives the degassed water flowing through the ultrasonic transducer; the detection pipeline is connected with the circulating pipeline, and the sealing performance of the water circulating pipeline can be detected when the detection pipeline is communicated with the circulating pipeline.

3. A deaerating water circulating apparatus in accordance with claim 2, wherein the water circulating line further comprises a first filter connected in series to the circulating pipe, the first filter being disposed between the circulating pump and the deaerating assembly in a water flow direction.

4. A deaerated water circulating apparatus according to claim 2, wherein the water circulating line further includes a temperature adjusting unit for adjusting a water temperature of deaerated water, the temperature adjusting unit being connected in series to the circulating pipe, the temperature adjusting unit being disposed downstream of the deaerating unit in a water flow direction, and the circulating pipe supplying the deaerated water whose water temperature is adjusted to the ultrasonic transducer.

5. The degassing water circulation device according to claim 4, wherein the temperature adjustment assembly comprises a water chiller and a temperature sensor, the water chiller and the temperature sensor are sequentially connected in series to the circulation pipeline along a water flow direction, the water chiller is used for cooling the degassing water to a set temperature range, the temperature sensor is used for monitoring the temperature of the degassing water, the temperature sensor is electrically connected with the water chiller, and the temperature sensor can transmit the temperature data of the degassing water to the water chiller.

6. The deaerated water circulation device in accordance with claim 4, wherein the water circulation line further comprises a second filter connected in series to the circulation pipe, the second filter being disposed downstream of the temperature regulation assembly in a direction of water flow, the circulation pipe conveying deaerated water filtered by the second filter to an ultrasonic transducer.

7. The deaerating water circulating apparatus according to claim 2, wherein the water circulating line further includes a pressure sensor and a circulation check valve, the pressure sensor and the circulation check valve being serially connected to the circulating line in the water flow direction, the pressure sensor and the circulation check valve being respectively disposed upstream of the water storage tank in the water flow direction; the water storage tank receives degassed water which sequentially flows through the ultrasonic transducer, the pressure sensor and the circulation check valve; the pressure sensor is used for detecting the fluid pressure value in the water circulation pipeline, the pressure sensor is electrically connected with the circulating pump, and the pressure sensor can transmit the fluid pressure values in the water circulation pipeline and the ultrasonic transducer to the circulating pump.

8. A degassing water circulation apparatus according to claim 2, wherein the water circulation pipeline further comprises a germicidal lamp disposed within the water storage tank.

9. A degassing water circulation apparatus according to claim 2, wherein the water circulation pipeline further comprises a gas content detector disposed in the water storage tank.

10. A degassed water circulating device according to claim 2 wherein the material of the connection of the circulation pipe to the transducer comprises a non-magnetic material.

11. A degassed water circulation device according to any of claims 2-10 wherein the test line comprises a test line, an air pump, a three-way valve and a gas tightness detector, the test line is connected to the circulation line via the three-way valve, the air pump and the gas tightness detector are connected to the test line respectively; when the detection pipeline is communicated with the circulating pipeline, the air pump charges gas with set pressure into the detection pipeline, and the air tightness detector is used for monitoring the change of the gas pressure in the detection pipeline.

12. The deaerated water circulating apparatus according to claim 11, wherein the water circulating line further includes a circulation switch provided upstream of the water storage tank in the water flow direction, and a position at which the three-way valve is connected to the circulation line is upstream of the ultrasonic transducer in the water flow direction; the detection pipeline further comprises a detection switch and a gas filter, the gas tightness detector is arranged at the downstream of the gas pump along the gas flow direction during inflation, the detection switch and the gas filter are respectively connected in series with the detection pipeline, and the detection switch and the gas filter are respectively arranged between the gas pump and the gas tightness detector; the gas tightness detector is characterized in that the circulating switch is in a closed state, the detection switch is in an open state, the three-way valve is communicated with the detection pipeline and one side of the circulating pipeline, which is communicated with the ultrasonic transducer, the gas filter filters gas filled into the detection pipeline by the gas pump, when the gas in the detection pipeline reaches a set pressure, the detection switch closes the detection pipeline, and the gas tightness detector monitors the change of the gas pressure in the detection pipeline.

13. A deaerating water circulating apparatus according to claim 12, wherein the detection switch is provided downstream of the gas filter in a gas flow direction during aeration, the detection line further includes a gas tank connected in series to the detection pipe, the gas tank being provided between the gas filter and the detection switch; when the detection switch is turned off, the gas storage tank stores and compresses the gas filtered by the gas filter; when the detection switch is turned on, compressed gas in the gas storage tank enters the detection pipeline through the detection switch.

14. The deaerated water circulating apparatus according to claim 13, wherein the detection pipeline further comprises an air pressure sensor, the air pressure sensor is disposed in the air tank, the air pressure sensor is electrically connected to the air pump, and the air pressure sensor is capable of transmitting a pressure value in the air tank to the air pump.

15. A deaerating water circulating apparatus according to claim 13, wherein the detection pipeline further includes a detection check valve connected in series to the detection pipeline, the detection check valve being disposed between the gas tank and the detection switch along a gas flow direction during aeration.

16. A high intensity focused ultrasound treatment apparatus comprising an ultrasound transducer and the de-aerated water circulation device of any one of claims 1 to 15, wherein the ultrasound transducer has a water inlet and a water outlet, the water circulation line is capable of communicating with the water inlet and the water outlet of the ultrasound transducer, respectively, and the location where the detection line is connected to the water circulation line is upstream of the water inlet in the direction of water flow.