Laser ablation equipment

Abstract

The utility model discloses laser ablation equipment, the laser ablation equipment comprises an equipment main body, an operation table and a cooling assembly, the cooling assembly comprises a peristaltic pump and a bubble detection device, and the bubble detection device comprises a catheter fixing part; wherein the equipment main body is positioned at the bottom of the operation table; and the peristaltic pump and the catheter fixing part are arranged on the operation table or the side surface of the equipment main body. Through the scheme disclosed by the invention, the bubbles in the cooling liquid can be detected, so that the condition of poor cooling effect caused by the bubbles can be avoided.

Description

TECHNICAL FIELD

[0001] The present disclosure relates generally to the field of laser ablation technology. More specifically, the present disclosure relates to a laser ablation device. BACKGROUND

[0002] Laser ablation is a high-precision medical technology that uses the energy of a laser to locally ablate diseased tissue, thereby achieving therapeutic purposes. Laser ablation is based on the heat sensitivity of biological tissue, and selectively ablates lesions or structures through the heat released by the laser. This technology can be guided by medical imaging techniques such as Magnetic Resonance Imaging (MRI), achieving precise positioning and treatment. This technology has a wide range of applications in the fields of tumor treatment, vascular disease treatment, etc.

[0003] The laser ablation device generates a large amount of heat during operation. Therefore, it is crucial to use a cooling liquid to cool the laser ablation catheter during the laser ablation process. However, when bubbles appear in the cooling liquid, when the bubbles flow with the cooling liquid to the surrounding area of the laser emission end, it may cause the local cooling effect to decrease, which may cause the local temperature to rise too high, which may cause the device to burn out. Further, local overheating may affect the precision of ablation and increase the risk of damage to surrounding tissues. In addition, bubbles will change the flow characteristics of the cooling liquid, and the presence of bubbles will increase the compressibility of the liquid, making the flow of the cooling liquid unstable, thereby affecting the cooling effect.

[0004] Therefore, there is an urgent need to provide a laser ablation device that can detect bubbles in the cooling liquid to avoid or reduce the risk of poor cooling effect due to bubbles. SUMMARY

[0005] To at least solve one or more of the above-mentioned technical problems, the present disclosure provides a scheme of a laser ablation device.

[0006] The present disclosure provides a laser ablation device, which comprises a device main body, an operating table and a cooling assembly, wherein the cooling assembly comprises a peristaltic pump and a bubble detection device, the bubble detection device comprises a catheter fixing part; wherein the device main body is located at the bottom of the operating table; the peristaltic pump and the catheter fixing part are arranged on the operating table or the side surface of the device main body.

[0007] In some embodiments, the catheter fixing part has a first groove for fixing a cooling catheter and a sensing window, wherein the sensing window is located in the first groove and faces the radial direction of the first groove.

[0008] In some embodiments, the width of the groove section corresponding to the sensing window in the first groove is smaller than the width of other sections in the first groove.

[0009] In some embodiments, the bubble detection device further comprises a bubble sensor connected to the sensing window to sense the bubble through the sensing window.

[0010] In some embodiments, the operation platform has a first table, a second table and a third table, wherein the second table is higher than the first table, and the third table is connected between the first table and the second table in an inclined manner; the peristaltic pump and the catheter fixing component are arranged on the third table.

[0011] In some embodiments, the device further comprises a first display screen, a second display screen and a screen support, wherein the first display screen is arranged on the third table; one end of the screen support passes through the second table and is rotatably connected with the device main body, and / or is slidingly connected with the device main body in the axial direction of the screen support; the other end of the screen support is used to connect the second display screen.

[0012] In some embodiments, the cooling assembly further comprises a flow monitoring device; one side of the device main body has a containing cavity and a cover plate, the containing cavity is used to contain the flow monitoring device, and the cover plate covers the opening of the containing cavity.

[0013] In some embodiments, the cooling assembly further comprises a weight sensing device, the weight sensing device comprises a weight sensor and a sensing hook; the weight sensor is connected with the sensing hook, the sensing hook is used to hang the cooling liquid containing device, and the weight sensor is arranged on the outside or the inside of the device main body, and the sensing hook is arranged on the outside or the inside of the device main body.

[0014] In some embodiments, the laser ablation device further comprises one or more laser outlets arranged on one side of the device main body; and / or the laser ablation device further comprises at least one of a laser indicator light and a control knob, and the at least one of the laser indicator light and the control knob is arranged on the second table.

[0015] In some embodiments, the laser ablation device further comprises a foot switch connected with the device main body, and the foot switch comprises one or more pedals.

[0016] In some embodiments, the foot switch comprises a foot pedal button and a plurality of pedals, wherein the plurality of pedals have a raised foot platform therebetween, and the foot pedal button is arranged on the foot platform.

[0017] By means of the laser ablation device provided above, the laser ablation device comprises a bubble detection device, and the bubble detection device comprises a catheter fixing component. The catheter fixing component can fix a cooling catheter through which cooling liquid flows, and the bubble detection device can detect the cooling liquid in the cooling catheter to detect whether the cooling liquid contains bubbles, thereby avoiding the case that the cooling effect is poor due to the bubbles, and further helping to avoid the case that the optical fiber catheter is burnt due to the excessively high temperature, and reducing the risk of damaging the healthy tissue around the lesion during the ablation process. BRIEF DESCRIPTION OF DRAWINGS

[0018] The above and other objects, features and advantages of the present embodiments will become more apparent from the following detailed description read in conjunction with the accompanying drawings. In the drawings, several embodiments of the present disclosure are illustrated by way of example and not limitation in which like reference numerals refer to similar elements or parts throughout the several views, wherein:

[0019] Figure 1 An exemplary structural diagram of a laser ablation device of some embodiments of the present disclosure is shown;

[0020] Figure 2 An exemplary front view of a catheter fixing component of some embodiments of the present disclosure is shown;

[0021] Figure 3 An exemplary structural diagram of a laser ablation device of some embodiments of the present disclosure is shown;

[0022] Figure 4 An exemplary structural diagram of a laser ablation device of some embodiments of the present disclosure is shown; and

[0023] Figure 5 An exemplary structural diagram of a foot switch of some embodiments of the present disclosure is shown. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present disclosure will be apparently and completely described below with reference to the drawings in the embodiments of the present disclosure. Obviously, the described embodiments are part of the embodiments of the present disclosure, rather than all the embodiments. Based on the embodiments in the present disclosure, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present disclosure.

[0025] It should be understood that the terms “include” and “contain” used in the specification and claims of the present disclosure indicate the existence of the described features, integers, steps, operations, elements and / or components, but do not exclude the existence or addition of one or more other features, integers, steps, operations, elements, components and / or sets thereof.

[0026] It should also be understood that the terms used herein are for the purpose of describing particular embodiments and are not intended to limit the present disclosure. As used in this specification and claims, the singular forms "a," "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "and / or," as used herein, refers to and encompasses any and all possible combinations of one or more of the associated listed items, as well as the lack of combinations when interpreted in the alternative ("and / or").

[0027] As used in this specification and claims, the terms "if' can be construed to mean "when" or "once," or "in response to a determination" or "in response to the detection of," depending on the context. Similarly, the phrase "if it is determined" or "if [a described condition or event] is detected" can be construed to mean "once it is determined" or "in response to the determination" or "once [the described condition or event] is detected" or "in response to the detection [of the described condition or event]," depending on the context.

[0028] The specific embodiments of the present disclosure will be described in detail below with reference to the attached drawings.

[0029] Figure 1 An exemplary structural diagram of a laser ablation device is shown. As shown, the laser ablation device can include a device body 10, an operation table 20, and a cooling assembly, wherein the cooling assembly includes a peristaltic pump 31 and a bubble detection device, the bubble detection device including a catheter fixing component 321; wherein the device body 10 is located at the bottom of the operation table 20; the peristaltic pump 31 and the catheter fixing component 321 are arranged on the operation table 20 or the side of the device body 10. Figure 1

[0030] In some embodiments, the device body 10 can be arranged at the bottom of the operation table 20, wherein the side of the operation table 20 facing the device body 10 can be a first side of the operation table, which can be detachably connected (e.g., by threaded connection, buckle connection, etc.) or fixedly connected (e.g., by welding, riveting, etc.) with the device body 10. The device body 10 can be arranged in the shape of a cylinder, a prism, or a cuboid, etc., and the device body 10 can be arranged with a power component, a control component, and / or a lifting component, etc. In other embodiments, the device body 10 can include a housing to cover the power component, the control component, and / or the lifting component, etc. inside.

[0031] ​In some embodiments, the side of the operation table 20 facing away from the device body 10 can be a second side of the operation table, which can be provided with the peristaltic pump 31 and the bubble detection device, etc. Further, the second side of the operation table can also be provided with a display screen, an indicator light, an emergency stop button, an operation button, etc. In other embodiments, the second side of the operation table (or the tabletop of the operation table) can be provided as a horizontal plane or an inclined plane.

[0032] In some embodiments, the peristaltic pump 31 can be provided with a conduit passage through which the cooling conduit passes. The peristaltic pump 31 can be used to power the flow of the cooling liquid in the cooling conduit and also to adjust the flow rate of the cooling liquid. In some embodiments, the conduit fixing member 321 can have a conduit passage, a clamping structure, or a clamping structure, etc. to fix the cooling conduit. When the cooling liquid flows through the cooling conduit, the bubble detection device can detect whether the cooling liquid contains bubbles, wherein the bubble detection device can also include a bubble sensor (such as an ultrasonic sensor or a photoelectric sensor, etc.), which can be embedded in the operation table 20 or provided in the device body 10 and connected with the conduit fixing member 321 to detect whether there are bubbles in the cooling liquid in the cooling conduit fixed by the conduit fixing member 321 or whether there is no cooling liquid in the cooling conduit.

[0033] It can be understood that the cooling conduit can pass through the conduit fixing member 321 first and then pass through the peristaltic pump 31, or the cooling conduit can pass through the peristaltic pump 31 first and then pass through the conduit fixing member 321. Preferably, the cooling conduit can pass through the peristaltic pump 31 first and then pass through the conduit fixing member 321. The flow rate of the cooling liquid can be adjusted to a suitable range before the cooling liquid enters the bubble detection device after passing through the peristaltic pump 31, so that the cooling liquid passes through the bubble detection device at a stable flow rate, ensuring the accuracy of bubble detection. If the flow rate is unstable, it can cause the bubble detection device to misjudge or fail to accurately detect bubbles.

[0034] It can also be understood that the peristaltic pump 31 and the conduit fixing member 321 can be provided in the same area. Specifically, in some embodiments, the peristaltic pump 31 and the conduit fixing member 321 can be provided on the operation table 20. Specifically, the peristaltic pump 31 and the conduit fixing member 321 can be provided on the second side of the operation table, which can facilitate the installation and operation of the user. In other embodiments, the peristaltic pump 31 and the conduit fixing member 321 can be provided on the side of the device body 10, which can avoid occupying the space on the operation table and leave more space for other components (such as a display screen, an operation panel, etc.).

[0035] By arranging the peristaltic pump 31 and the catheter fixing member 321, the connection and path of the pipeline through which the cooling liquid flows can be simplified, the length of the required cooling catheter can be shortened, the pressure can be reduced, and the cooling effect can be ensured.

[0036] Through the scheme of the disclosure, the peristaltic pump 31 can be used to power the flow of the cooling liquid in the cooling catheter, and the bubble detection device can detect whether there are bubbles in the cooling liquid in the cooling catheter. When bubbles are detected, the emission power of the laser can be reduced or the device can be shut down, so that the situation of poor cooling effect due to bubbles can be avoided, and the risk of device burnout due to high temperature and damage to healthy tissue around the lesion can be avoided.

[0037] Figure 2 An exemplary front view of the catheter fixing member of some embodiments of the disclosure is shown. As shown, the catheter fixing member 321 can have a first groove 3211 for fixing the cooling catheter and a sensing window 3212, wherein the sensing window 3212 is located in the first groove 3211 and faces the radial direction of the first groove 3211. In some embodiments, the bubble detection device further comprises a bubble sensor connected with the sensing window 3212 to sense bubbles through the sensing window 3212. Figure 2

[0038] In some embodiments, the first groove 3211 can extend in a direction and pass through both sides of the catheter fixing member 321, and the axis direction F of the first groove 3211 is the extension direction (or length direction) of the first groove 3211. The cooling catheter can pass along the axis direction of the first groove 3211, and at this time, the radial direction of the first groove 3211 is also the radial direction of the cooling catheter. The sensing window 3212 is located in the first groove 3211 and is connected with the bubble sensor, in other words, the sensing window 3212 can serve as a channel connecting the first groove 3211 and the bubble sensor, so that the bubble sensor can detect the cooling liquid in the cooling catheter located in the first groove 3211. The sensing window 3212 is located in the first groove 3211 and faces the radial direction of the first groove 3211, that is, it can face the radial direction of the cooling catheter in the first groove 3211, so that the bubble sensor can detect bubbles at the radial cross section of the cooling catheter through the sensing window 3212.

[0039] ​In some embodiments, the width of the first groove 3211 can be equal everywhere. In other embodiments, the width of the section of the first groove 3211 corresponding to the sensing window 3212 can be smaller than the width of other sections of the first groove 3211, for example, the second width d2 is smaller than the first width d1 in the illustration. The section of the first groove 3211 corresponding to the sensing window 3212, i.e., the section of the first groove 3211 where the sensing window 3212 is located. The sensing window 3212 can have a regular or irregular shape such as a circle, a square, a rectangle, a diamond, a trapezoid, etc. The length of the section of the first groove 3211 corresponding to the sensing window 3212 can be equal to or greater than the size of the sensing window 3212 in the axial direction of the first groove 3211. In some embodiments, the sensing window 3212 is circular, and the length of the section of the first groove 3211 corresponding to the sensing window 3212 can be equal to or greater than the diameter of the sensing window 3212.

[0040] By setting the width of the section of the first groove 3211 corresponding to the sensing window 3212 to be smaller than the width of other sections, the cooling conduit can be more stably fixed at the section of the first groove 3211 corresponding to the sensing window, effectively avoiding the shaking of the cooling conduit caused by the flow of the cooling liquid, thereby facilitating the accuracy of the bubble detection.

[0041] In some embodiments, the sensing window 3212 can be located at the center of the first groove 3211. The two ends of the first groove 3211 can guide the cooling conduit, especially when the first width d1 is greater than the second width d2, the two ends of the first groove 3211 can facilitate the extension of the cooling conduit into the first groove 3211.

[0042] In some embodiments, the bubble sensor can include an ultrasonic sensor, a photoelectric sensor, a pressure sensor, or a radiation sensor. Preferably, an ultrasonic sensor and / or a photoelectric sensor can be selected.

[0043] For example, in some embodiments, the bubble sensor is an ultrasonic sensor, and the ultrasonic generator and the ultrasonic receiver (which can be integrated or separately arranged) of the ultrasonic sensor can be directed towards the sensing window 3212, so as to emit ultrasonic waves to the cooling liquid in the cooling conduit fixed in the first groove 3211 through the sensing window 3212, and receive ultrasonic echoes. The ultrasonic sensor can utilize the propagation characteristics of ultrasonic waves in liquid, i.e., the acoustic impedance of ultrasonic waves in liquid and gas is different, when there is a bubble in the liquid, the propagation of ultrasonic waves will be disturbed, and the ultrasonic sensor can identify and detect the bubble or the liquid in the cooling conduit by monitoring the changes of the ultrasonic echoes. By setting the ultrasonic sensor, it has good adaptability to liquids with different transparency, can detect small bubbles, has high sensitivity, can set different sensitivity levels, and can also adapt to a wide temperature and pressure range.

[0044] For example, in some other embodiments, the bubble sensor can be a photoelectric sensor. The photoelectric sensor emits light waves toward the sensing window 3212, utilizing the differences in reflectivity, refractive index, and absorptivity of light waves between liquids and gases. When light passes through a liquid containing bubbles, it causes changes in the propagation of the light waves, such as changes in light intensity or shifts in the light path. These changes are detected by photoelectric devices to identify bubbles. By using a photoelectric sensor, due to its high detection accuracy, it can detect tiny bubbles. Furthermore, it has good detection performance in transparent liquids, facilitating the detection of coolant. Moreover, it has a fast response speed, a relatively simple structure, and low cost.

[0045] In some embodiments, the bubble sensor may be disposed inside the device body, inside the operating table, on the operating table, or outside the device body (e.g., on the outer surface of the device body, or externally disposed on the outside of the device body).

[0046] When the bubble sensor is installed inside the control panel or the main body of the equipment, it can be positioned opposite the sensing window 3212. Specifically, the detection end of the bubble sensor can be located within the channel of the sensing window, allowing it to detect the cooling conduit through the channel and thus detect whether the coolant inside the cooling conduit contains air bubbles.

[0047] The cooling conduit can be fixed by the first groove and the sensing window, thus preventing the cooling conduit from moving or falling off. It can also accurately detect whether the coolant in the cooling conduit contains air bubbles or whether the cooling conduit is empty, thus avoiding poor cooling effect due to air bubbles or no coolant in the cooling conduit. This avoids the risk of the device burning out due to excessive temperature and reduces the risk of damage to healthy tissue around the lesion.

[0048] Figure 3 Exemplary structural diagrams of laser ablation devices according to other embodiments of this disclosure are shown. Figure 3 As shown, the operating table 20 has a first tabletop 21, a second tabletop 22 and a third tabletop 23, wherein the second tabletop 22 is higher than the first tabletop 21, and the third tabletop 23 is inclinedly connected between the first tabletop 21 and the second tabletop 22; the peristaltic pump 31 and the conduit fixing component 321 are disposed on the third tabletop 23.

[0049] In some embodiments, the plane containing the first tabletop 21 and the plane containing the second tabletop 22 may be parallel to each other or not parallel to each other. The third tabletop 23 may be inclinedly disposed between the first tabletop 21 and the second tabletop 22, and connected to the first tabletop 21 and the second tabletop 22 respectively. Specifically, the aforementioned first tabletop 21, second tabletop 22 and third tabletop 23 may be connected together by means of threaded connection, welding or casting. In still other embodiments, the first tabletop 21, second tabletop 22 and third tabletop 23 may be integrally formed.

[0050] In some embodiments, the first tabletop 21 may be equipped with input devices such as a touch control panel, keyboard, and mouse, which can be used to control the parameters of the laser ablation device, input relevant data, and perform related operations. The third tabletop 23 may be equipped with, for example, a peristaltic pump 31, a catheter fixing component 321, and a display screen (not shown in the figure), while the second tabletop 22 may also be equipped with a display screen (not shown in the figure) or other operating components. In some embodiments, a bubble sensor may be installed inside the operating table 20. For example, the bubble sensor can be located on the back side of the third tabletop 23 to connect with the catheter fixing component 321 located on the surface of the third tabletop 23.

[0051] By setting up the first work surface 21, the second work surface 22, and the third work surface 23, different operating components can be rationally arranged and planned, giving the entire workbench good operability and aesthetics. Furthermore, by setting the third work surface 23 to be tilted, it is easier for the user to view the display screen on the third work surface 23 and perform corresponding operations, conforming to ergonomic principles. The following will combine... Figure 4 An exemplary description of the display screen settings is provided.

[0052] Figure 4 An exemplary structural diagram of a laser ablation device according to further embodiments of this disclosure is shown. Figure 4 As shown, the laser ablation device may further include a first display screen 41, a second display screen 42, and a screen bracket 43, wherein the first display screen 41 may be disposed on the third table 23; one end of the screen bracket 43 may pass through the second table 22 and be rotatably connected to the device body 10, and / or be slidably connected to the device body 10 in the axial direction of the screen bracket 43; the other end of the screen bracket 43 is used to connect the second display screen 42.

[0053] In some embodiments, the first display screen 41 can be embedded on the third table 23. Specifically, a second recess can be formed on the third table 23, and the first display screen 41 can be connected with the second recess through an embedded mounting frame, or the first display screen 41 can be connected with the second recess of the third table 23 through gluing, or the first display screen 41 can be connected with the second recess through a clamping slot.

[0054] In some embodiments, the second table 22 can be provided with a through hole or a notch, so that the screen support 43 can pass through the second table 22 to be connected with the device body 10. The screen support 43 can be provided in a cylindrical shape or a prismatic shape, etc., and one end of the screen support 43 can extend through the second table 22 towards the device body 10 and be rotatably connected with the top of the device body 10 (for example, through a hinge connection, a ball socket connection, or a shaft-bearing connection, etc.). The screen support 43 can be directly or indirectly connected with the device body 10. In yet some embodiments, the bottom of the screen support 43 can be provided with a turntable, and the turntable can be arranged on the device body 10 and be rotatable relative to the device body 10, so that the turntable can drive the screen support 43 to rotate to drive the second display screen 42 to rotate.

[0055] In some embodiments, in the axial direction of the screen support 43 (i.e., the height direction of the device body), one end of the screen support 43 can be slidably connected with the top of the device body 10 (for example, through a slide rail-sliding block connection, a pneumatic cylinder connection, or a hydraulic cylinder connection, etc.), so that the screen support 43 can reciprocate in the axial direction thereof to realize the lifting adjustment of the second display screen 42. In yet some embodiments, one end of the screen support 43 can be both slidably connected and rotatably connected with the top of the device body 10, for example, through a combination of a slide rail-sliding block and a shaft-bearing / turntable, or through a universal joint connection, etc.

[0056] In some embodiments, the other end of the screen support 43 can be connected with the second display screen 42, wherein the second display screen 42 can be one or more. When the second display screen 42 is one, the other end of the screen support 43 can be slidably connected and / or rotatably connected with the second display screen 42.

[0057] In some embodiments, the second display screen can also be provided in multiple, and when the second display screen is two, the two second display screens can be connected with the other end of the screen support through a rotating part. Specifically, the rotating part can be sleeved on the other end of the screen support and be rotatable around the screen support, one second display screen can be arranged at one end of the rotating part, and the other second display screen can be arranged at the other end of the rotating part, so that the rotating part can drive the two display screens to rotate.

[0058] Through the setting of the screen support, the user can flexibly adjust the height and angle of the second display screen, and when the second display screen is provided with two, the rotation angles of the two second display screens can also be adjusted respectively.

[0059] In some embodiments, the cooling assembly further comprises a flow monitoring device 34; one side of the device body 10 is provided with a containing cavity 12 for containing the flow monitoring device 34 and a cover plate 13 covering the opening of the containing cavity 12.

[0060] In some embodiments, the cooling conduit can be connected with the flow monitoring device 34. The flow monitoring device 34 can be used to monitor the flow of the cooling liquid, so as to ensure that it meets the cooling requirements and guarantees the cooling effect. In other embodiments, the device body 10 can also be provided with an outlet and an inlet, which can be arranged on the device body close to the containing cavity 12. The outlet and the inlet can be used to connect the flow monitoring device 34 in the containing cavity 12 with the cooling conduit outside the containing cavity 12. In other words, the outlet and the inlet can serve as the outlet and the inlet of the flow monitoring device 34.

[0061] In some embodiments, the bottom of one side of the device body 10 can be provided with a containing cavity 12, and an opening can be formed on the side of the device body. One end of the cover plate 13 can be rotatably connected to the top of the containing cavity 12 through a rotating shaft, so that the cover plate 13 can move back and forth between the position covering the opening of the containing cavity 12 and the position opening the opening. Further, the other end of the cover plate 13 can be provided with a gasket, which can prevent the other end of the cover plate 13 from scratching the ground or the bottom of the containing cavity 12 when the cover plate 13 is in the position covering the opening of the containing cavity 12. It can be understood that the gasket can be made of rubber or silicone, which has good elasticity and flexibility, so as to limit the buffering and shock absorption, and avoid scratching the ground or the bottom of the containing cavity 12 by the other end of the cover plate 13.

[0062] By arranging the flow monitoring device in the containing cavity, the use of space of the laser ablation device can be saved. In addition, the number of devices arranged on the outside of the laser ablation device can be reduced, so that the appearance of the laser ablation device has better consistency. Further, by arranging the flow monitoring device in the containing cavity, the influence of unstable factors such as external temperature, humidity, electromagnetic interference, etc. on the flow monitoring device can be reduced.

[0063] In some embodiments, the cooling assembly further comprises a weight sensing device 35, which comprises a weight sensor 351 and a sensing hook 352; the weight sensor 351 is connected with the sensing hook 352, the sensing hook 352 is used for hanging the cooling liquid containing device, and the weight sensor 351 is arranged on the outside or inside of the device body, and the sensing hook 352 is arranged on the outside or inside of the device body.

[0064] In some embodiments, the weight sensor, the sensing hook and the cooling liquid containing device can all be arranged on the inside of the device body 10, the weight sensor can be electrically connected with the sensing hook 352, so that the mass of the cooling liquid containing device hung on the sensing hook 352 can be detected.

[0065] In other embodiments, the weight sensor 351, the sensing hook 352 and the cooling liquid containing device can all be arranged on the outside of the device body 10, wherein the weight sensor 351 can be arranged on the same side as the flow monitoring device 34, so that the connection and path of the cooling pipeline can be simplified. Specifically, the weight sensor 351 can be arranged on the same side of the device body 10 as the containing cavity 12, and the weight sensor 351 can also be connected with a buzzer. The sensing hook 352 can be arranged between the weight sensor 351 and the bottom of the device body 10 and electrically connected with the weight sensor 351. When the cooling liquid containing device is hung on the sensing hook 352, the weight sensor 351 can detect the mass of the cooling liquid containing device. When the mass of the cooling liquid containing device is lower than a preset mass, the buzzer connected with the weight sensor 351 can issue an alarm to remind the replacement of the cooling liquid, so that the situation of local overheating of the laser ablation catheter due to insufficient cooling liquid can be avoided.

[0066] In some application scenarios, a cooling container can be hung on the sensing hook 352, and the cooling liquid in the cooling container can flow out through the cooling catheter connected with the cooling container; the peristaltic pump 31 can have a catheter passage, so that the cooling catheter passes through the catheter passage; the cooling catheter passing through the peristaltic pump 31 can be connected with the catheter fixing component 321 of the bubble detection device, so that the bubble sensor can detect the cooling liquid in the cooling catheter to determine whether there is a bubble. The cooling catheter passing through the bubble detection device can be connected with the optical fiber catheter, so that the cooling liquid can cool the optical fiber catheter; the cooling liquid passing through the optical fiber catheter flows into the return tube, and the return tube can pass through the flow monitoring device 34. In other application scenarios, the cooling catheter can be connected with the optical fiber catheter after passing through the peristaltic pump 31, the bubble detection device and the flow monitoring device 34 in sequence.

[0067] By setting the weight sensing device, the situation that the local part of the optical fiber catheter is overheated due to insufficient cooling liquid can be avoided, so that the situation that the optical fiber catheter is burnt or the healthy tissue around the lesion is damaged due to the excessively high temperature can be avoided.

[0068] In some embodiments, the laser ablation device further comprises one or more laser outlets 61 arranged on one side of the device body; and / or the laser ablation device further comprises at least one of a laser indicator light 62 and a control knob 63, the at least one of the laser indicator light 62 and the control knob 63 being arranged on the second table 22.

[0069] In some embodiments, the one or more laser outlets 61 can be arranged on the side of the device body 10. The plurality of laser outlets 61 can be used to output light of different wavelengths. In other embodiments, the laser ablation device can comprise two laser outlets. It can be understood that the laser ablation device can further comprise one or more laser emitters, which can be arranged inside the device body. In other embodiments, the output end of one laser emitter can be connected to a corresponding one of the laser outlets, and one laser outlet can be used to connect one optical fiber catheter. One laser outlet can be used to output light of one wavelength, and when the laser emitter can emit light of multiple wavelengths, one laser outlet 61 can also be used to output light of multiple wavelengths.

[0070] In some embodiments, the laser indicator light 62 can be used to indicate the state of the laser, for example, when the laser emitter emits light, the laser indicator light 62 can be always on. When the laser emitter does not emit light, the laser indicator light 62 can remain in the off state, and when the laser emitter cannot normally emit light, the laser indicator light 62 can be in a flashing state.

[0071] In some embodiments, the control knob 63 can be an emergency stop knob. When an emergency situation occurs, such as device failure (for example, failure of the cooling assembly, etc.), or the ablation process is out of control, etc., pressing the emergency stop knob can immediately cut off the power supply or the key control signal of the device, so that the laser emission can be stopped quickly, thereby preventing the further expansion of the danger in a short time.

[0072] By arranging the laser outlets on the device body and arranging the laser indicator light and the control knob on the second table, the position of the second table can be higher than that of the third table, the first table and the device body, so that the user can conveniently observe the state of the laser indicator light. Further, when an emergency situation occurs, the user can also press the emergency stop knob more conveniently, and the layout is reasonable, which fully considers the convenience of daily operation and also takes into account the efficiency of emergency handling.

[0073] In some embodiments, the laser ablation device further comprises a foot switch 50 connected with the device body 10, the foot switch 50 comprising one or more pedals. In some embodiments, the foot switch 50 can comprise one pedal. The foot switch 50 can be connected with the device body 10 and can be electrically connected with the laser emitter for controlling the switching of the laser state, in which case the laser ablation device can further be provided with a laser switch button, which can be provided on the device body 10 or on the operation table 20. Specifically, when the pedal is stepped on, the laser emitter can be switched between a ready-to-fire state and a standby state, wherein when the laser emitter is in the standby state, the laser emitter does not emit laser regardless of whether the laser switch button is pressed or not; when the laser emitter is in the ready-to-fire state, the laser emitter can emit laser after the laser switch button is pressed. In other embodiments, the foot switch 50 can also be used to control the switching off of the laser emitter, for example, when the laser of the laser emitter is in the firing state, the laser emitter can be stopped from emitting laser by stepping on the foot switch.

[0074] It can be understood that the foot switch 50 can not be limited to comprising only one pedal, but can also comprise multiple pedals. The exemplary structure of the foot switch will be described below in combination with Figure 5 Another implementation of the foot switch is exemplarily described.

[0075] Figure 5 An exemplary structure of the foot switch of another embodiment of the disclosure is shown. As Figure 5 shown, the foot switch 50 comprises a foot pedal button 51 and multiple pedals 52, wherein the multiple pedals 52 have a raised foot platform 501 therebetween, and the foot pedal button 51 is provided on the foot platform 501.

[0076] In some embodiments, the multiple pedals 52 can be used to trigger or control multiple different laser powers. The shape of the pedals 52 can be circular, square, diamond, hemispherical, etc. The shapes of the multiple pedals 52 can be the same or different. In other embodiments, the foot switch 50 can comprise a first pedal 521 and a second pedal 522 for triggering or controlling two different laser powers.

[0077] In some embodiments, the multiple pedals 52 can further be provided with a raised foot platform 501 therebetween, which can separate the multiple pedals 52 to avoid mis-touching between the multiple pedals 52. The foot pedal button 51 can also be effectively prevented from mis-touching with the pedals 52 by being provided on the raised foot platform 501. The shape of the foot pedal button 51 can be circular, square, diamond, hemispherical, etc.

[0078] The foot pedal button 51 is arranged on the foot pedal platform 501, which can be electrically connected to the laser emitter, for triggering / controling the switching of the laser state. Specifically, when the foot pedal button 51 is stepped on, the laser emitter can be switched between the standby state and the preparation state, wherein when the laser emitter is in the standby state, the laser emitter does not emit laser regardless of whether the pedal is stepped on; when the laser emitter is in the preparation state, the laser emitter can emit laser of corresponding power after the pedal is stepped on.

[0079] Through the arrangement of the foot pedal switch 50, the required laser can be emitted conveniently and quickly. Further, by arranging the foot pedal button 51 on the raised foot pedal platform 501, the mis-touch between the pedal 52 and the foot pedal button 51 can be avoided, and the mis-touch between multiple pedals 52 can also be avoided, so that the case of emitting laser by mistake due to mis-touch can be effectively avoided.

[0080] In summary, through the scheme of the present disclosure, the cooling liquid in the cooling conduit can be detected by using the bubble detection device, so that whether the cooling liquid contains bubbles can be detected, and the case that the cooling effect is poor due to bubbles is avoided, and the case that the equipment is burned due to too high temperature is avoided. Further, the risk of damage to the healthy tissue around the lesion can also be reduced.

[0081] Although the embodiments of the present disclosure have been shown and described herein, it will be apparent to those skilled in the art that such embodiments are provided only by way of example. Many changes, modifications and alternatives can be made to the embodiments of the present disclosure without departing from the spirit and scope of the present disclosure. It should be understood that various alternatives to the embodiments of the present disclosure described herein can be employed in practicing the present disclosure. The appended claims are intended to define the scope of protection of the present disclosure and thus cover equivalents or alternatives within the scope of these claims.

Claims

1. A laser ablation device, characterized in that, The laser ablation device includes a main body (10), an operating table (20), and a cooling assembly, wherein the cooling assembly includes a peristaltic pump (31) and a bubble detection device, and the bubble detection device includes a conduit fixing component (321); wherein, The main body of the equipment (10) is located at the bottom of the operating table (20); The peristaltic pump (31) and the conduit fixing component (321) are disposed on the operating table (20) or on the side of the main body of the equipment.

2. The laser ablation device according to claim 1, characterized in that, The conduit fixing component (321) has a first groove (3211) for fixing the cooling conduit and a sensing window (3212), wherein the sensing window (3212) is located in the first groove (3211) and faces the first groove (3211) in a radial direction.

3. The laser ablation device according to claim 2, characterized in that, In the first groove (3211), the width of the groove segment corresponding to the sensing window (3212) is smaller than the width of other segments in the first groove (3211).

4. The laser ablation device according to claim 2, characterized in that, The bubble detection device further includes a bubble sensor connected to the sensing window (3212) to sense bubbles through the sensing window (3212).

5. The laser ablation device according to any one of claims 1-4, characterized in that, The operating table (20) has a first tabletop (21), a second tabletop (22) and a third tabletop (23), wherein the second tabletop (22) is higher than the first tabletop, and the third tabletop (23) is inclinedly connected between the first tabletop (21) and the second tabletop (22); The peristaltic pump (31) and the conduit fixing component (321) are disposed on the third platform.

6. The laser ablation device according to claim 5, characterized in that, It also includes a first display screen (41), a second display screen (42), and a screen bracket (43), wherein The first display screen is disposed on the third platform (23); One end of the screen bracket passes through the second platform (22) and is rotatably connected to the device body (10), and / or is slidably connected to the device body (10) in the axial direction of the screen bracket; The other end of the screen bracket is used to connect the second display screen (42).

7. The laser ablation device according to claim 1, characterized in that, The cooling assembly also includes a flow monitoring device (34); one side of the main body of the device has a receiving cavity (12) and a cover plate (13), the receiving cavity (12) is used to receive the flow monitoring device (34), and the cover plate (13) covers the opening of the receiving cavity.

8. The laser ablation device according to claim 1 or 7, characterized in that, The cooling assembly also includes a weight sensing device (35), which includes a weight sensor (351) and a sensing hook (352); The weight sensor (351) is connected to the sensing hook (352), and the sensing hook (352) is used to hang the coolant container. The weight sensor (351) is located on the outside or inside of the main body of the equipment, and the sensing hook (352) is located on the outside or inside of the main body of the equipment.

9. The laser ablation device according to claim 5, characterized in that, The laser ablation device further includes one or more laser outlets (61), wherein the one or more laser outlets (61) are disposed on one side of the main body of the device; and / or The laser ablation device also includes at least one of a laser indicator light (62) and a control knob (63), wherein at least one of the laser indicator light (62) and the control knob (63) is disposed on the second table surface (22).

10. The laser ablation device according to claim 1, characterized in that, The laser ablation device also includes a foot switch (50), which is connected to the main body (10) of the device and includes one or more pedals.

11. The laser ablation device according to claim 10, characterized in that, The foot switch (50) includes a foot button (51) and a plurality of pedals (52), wherein a raised foot platform (501) is provided between the plurality of pedals (52), and the foot button (51) is disposed on the foot platform (501).

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