Treatment head mechanism and stone crusher
By introducing an ultrasound probe and a positioning tracking ball into the lithotripter, combined with a binocular vision camera and a linear drive unit, the problem of low positioning accuracy of the treatment head mechanism was solved, achieving higher treatment accuracy and safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-08
- Publication Date
- 2026-04-10
AI Technical Summary
The existing lithotripsy machine has low positioning accuracy of the treatment head mechanism, which affects the safe and rapid treatment of patients.
The treatment focus is monitored in real time using an ultrasound probe, and spatial positioning is achieved by combining a positioning tracking ball and a binocular vision camera. The positioning accuracy of the treatment head mechanism is improved by using a linear drive unit and a guide slide.
This improves the positioning accuracy of the treatment head mechanism during the treatment process, ensuring the safety and speed of treatment.
Smart Images

Figure CN224099419U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to medical instrument technical field especially, and relates to a kind of treatment head mechanism and lithotriptor. BACKGROUND
[0002] Extracorporeal shock wave lithotriptor is a kind of medical equipment, mainly for urinary system (kidney, ureter, bladder) stone, gallbladder stone treatment.
[0003] Extracorporeal shock wave lithotriptor is stressed to stone by focusing pressure pulse with high energy, causes the cracking and breakage of stone.This pressure pulse wave is generated by shock wave source, and is focused on stone by focusing device.When the power of shock wave is vibrated on stone, it can compress, stretch stone, and the violent activity can crush, powder stone.The treatment head mechanism of lithotriptor in prior art is not conducive to the safe and rapid treatment of patients due to low positioning accuracy during treatment.
[0004] Therefore, it is urgent to provide a kind of treatment head mechanism and lithotriptor to solve the above problems. INVENTION CONTENTS
[0005] The utility model aims at providing a kind of treatment head mechanism and lithotriptor, can improve the positioning accuracy of treatment head mechanism, help the safe and rapid treatment of patients.
[0006] To achieve the above object, the following technical scheme is provided:
[0007] Treatment head mechanism, comprising:
[0008] Shock wave source module, including support, lens, electromagnetic disc and water bag, the water bag is sealed and is set to the front end of the support, the electromagnetic disc is embedded in the inside of the support, the lens is set in the support and is located the front end of the electromagnetic disc, the electromagnetic disc, the water bag and the inner wall of the support are surrounded to form water storage cavity;
[0009] First positioning module, including installation shell and B ultrasonic probe, the installation shell is obliquely arranged on the support, the B ultrasonic probe is arranged on the installation shell and the central axis of the B ultrasonic probe intersects with the treatment focal point of the shock wave source module;
[0010] Second positioning module, including sealing plate and a plurality of positioning tracking balls, the sealing plate is arranged at the rear end of the support, and a plurality of positioning tracking balls are installed on the back of the sealing plate.
[0011] As optional scheme of treatment head mechanism, the first positioning module further comprises:
[0012] A linear driving unit is arranged in the mounting shell and is in transmission connection with the B-ultrasonic probe, and the linear driving unit is used to drive the B-ultrasonic probe to be close to or away from the treatment focus.
[0013] As an alternative of the treatment head mechanism, the linear driving unit comprises a screw rod, a sliding block and a servo motor, the screw rod is rotationally arranged in the mounting shell, one end of the sliding block is fixedly connected with the B-ultrasonic probe, the other end of the sliding block is in threaded transmission connection with the screw rod, and the servo motor is arranged in the mounting shell and is coaxially connected with the screw rod.
[0014] As an alternative of the treatment head mechanism, the linear driving unit further comprises:
[0015] A guide sliding rod is fixedly arranged in the mounting shell and is in the same extension direction as the screw rod, and the sliding block is movably sleeved on the guide sliding rod.
[0016] As an alternative of the treatment head mechanism, the guide sliding rod is provided with at least two, the sliding block is provided with at least two guide holes, and the guide sliding rod is arranged in the guide hole.
[0017] As an alternative of the treatment head mechanism, the sealing plate is provided with a plurality of first insertion holes, the positioning tracking ball is provided with a second insertion hole, and the second positioning module further comprises:
[0018] A plurality of adapters, the first end of the adapter is in plug connection with the first insertion hole, and the second end of the adapter is in plug connection with the second insertion hole.
[0019] As an alternative of the treatment head mechanism, the shock wave source module further comprises:
[0020] A handle is fixedly connected with the support.
[0021] As an alternative of the treatment head mechanism, the surface of the handle is provided with an anti-skid structure.
[0022] As an alternative of the treatment head mechanism, a through hole is formed in the center of the lens; and / or
[0023] The annular wall of the support is provided with a water inlet flow channel and a water outlet flow channel, and the water inlet flow channel and the water outlet flow channel are in communication with the water storage cavity.
[0024] The lithotriptor comprises a power supply module, a binocular vision camera and the treatment head mechanism, and the electromagnetic discs of the binocular vision camera and the treatment head mechanism are electrically connected with the power supply module.
[0025] Compared with the prior art, the lithotriptor has the following beneficial effects:
[0026] The treatment head mechanism provided by the utility model emits parallel shock waves from the electromagnetic disc, reaches the treatment position after focusing through the lens, fills water into the water storage cavity, on the one hand, water can be used as a shock wave conducting medium, on the other hand, the electromagnetic disc generates heat when working, and water circulation is used for heat dissipation of the electromagnetic disc, and on the other hand, the water bag can be inflated to adjust the different treatment depths of the treatment head mechanism to patients. The central axis of the B-ultrasonic probe of the first positioning module intersects with the treatment focal point of the shock wave source module, the B-ultrasonic probe can be used to monitor whether the treatment focal point is in the treatment area in the body in real time, and the positioning accuracy of the treatment head mechanism in the treatment process is improved. The positioning tracking ball is installed to the treatment head mechanism, the treatment head mechanism is positioned in space through the binocular visual camera, which is helpful to guide the movement of the treatment head mechanism and make the treatment focal point reach the treatment area, and the positioning accuracy of the treatment head mechanism in the treatment process is further improved.
[0027] The stone crusher provided by the utility model uses the B-ultrasonic probe to monitor whether the treatment focal point is in the treatment area in the body in real time, and uses the positioning tracking ball to position the treatment head mechanism in space through the binocular visual camera, which is helpful to improve the positioning accuracy of the treatment head mechanism in the treatment process. BRIEF DESCRIPTION OF DRAWINGS
[0028] In order to more clearly illustrate the technical scheme in the embodiments of the utility model, the drawings needed to be used in the description of the embodiments of the utility model will be briefly introduced, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained according to the contents of the embodiments of the utility model and these drawings without the creative labor of the ordinary skilled in the art.
[0029] Figure 1 It is the assembly schematic view of the first visual angle of the treatment head mechanism in the embodiments of the utility model;
[0030] Figure 2 It is the assembly schematic view of the second visual angle of the treatment head mechanism in the embodiments of the utility model;
[0031] Figure 3 It is the assembly schematic view of the third visual angle of the treatment head mechanism in the embodiments of the utility model; Figure 2 The sectional view in A-A direction;
[0032] Figure 4 It is the assembly schematic view of the third visual angle of the treatment head mechanism in the embodiments of the utility model;
[0033] Figure 5 It is the sectional view in B-B direction. Figure 4
[0034] REFERENCE SIGNS:
[0035] 1, Shock wave source module; 2, First positioning module; 3, Second positioning module;
[0036] 11, Support; 111, Water inlet channel; 112, Water outlet channel; 12, Lens; 121, Through hole; 13, Electromagnetic disc; 14, Water bag; 15, Machine head handle; 16, Right angle joint;
[0037] 21, Installation housing; 22, B-ultrasound probe; 23, Screw rod; 24, Slide block; 25, Servo motor; 26, Guide slide rod;
[0038] 31, Sealing plate; 32, Positioning tracking ball; 33, Adapter. DETAILED DESCRIPTION
[0039] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme of the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.
[0040] In the description of the present application, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly placed when the product of the present application is used, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" and the like are only used for differentiation in description, and cannot be understood as indicating or implying relative importance. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.
[0041] In the description of the present application, it should also be noted that, unless otherwise specified and limited, the terms "provided", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0042] The embodiments of the present application are described below in detail, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary only, and are used only for explaining the present application, and cannot be understood as limiting the present application.
[0043] In order to improve the positioning accuracy of the treatment head mechanism, facilitate the safe and rapid treatment of patients, the embodiment provides a treatment head mechanism, which is described below in combination with Figures 1 to 5 The specific content of the embodiment is described in detail.
[0044] As shown in Figures 1 to 3 The treatment head mechanism in the embodiment includes a shock wave source module 1, a first positioning module 2 and a second positioning module 3. The shock wave source module 1 includes a support 11, a lens 12, an electromagnetic disc 13 and a water bag 14. The water bag 14 is sealingly sleeved on the front end of the support 11, the electromagnetic disc 13 is embedded in the inside of the support 11, the lens 12 is arranged in the support 11 and located at the front end of the electromagnetic disc 13, and a water storage cavity is formed between the electromagnetic disc 13, the water bag 14 and the inner wall of the support 11. The first positioning module 2 includes a mounting shell 21 and a B-ultrasound probe 22. The mounting shell 21 is obliquely arranged on the support 11, and the B-ultrasound probe 22 is arranged on the mounting shell 21, and the central axis of the B-ultrasound probe 22 intersects with the treatment focal point of the shock wave source module 1. The second positioning module 3 includes a sealing plate 31 and a plurality of positioning tracking balls 32. The sealing plate 31 is arranged at the rear end of the support 11, and the plurality of positioning tracking balls 32 are installed on the back surface of the sealing plate 31. Exemplarily, in some remote treatment application scenarios, the back surface of the sealing plate 31 can also be used to connect with the mechanical arm of a robot, and the robot is used to replace the human to perform the stone elimination surgery.
[0045] In short, the treatment head mechanism provided by the embodiment emits parallel shock waves from the electromagnetic disc 13, focuses the parallel shock waves through the lens 12 to reach the treatment position, fills water into the water storage cavity, on the one hand, the water can be used as a shock wave transmission medium; on the other hand, the electromagnetic disc 13 generates heat when working, and the circulating water flow is used for heat dissipation of the electromagnetic disc 13, and on the other hand, the water bag 14 can be expanded to adjust the different treatment depths of the treatment head mechanism to the patient. The central axis of the B-ultrasound probe 22 of the first positioning module 2 intersects with the treatment focal point of the shock wave source module 1, and the B-ultrasound probe 22 can be used to monitor whether the treatment focal point is in the treatment area in the body in real time, thereby improving the positioning accuracy of the treatment head mechanism in the treatment process. The positioning tracking balls 32 are installed to the treatment head mechanism, and the binocular vision camera is used for spatial positioning of the treatment head mechanism, which helps to guide the movement of the treatment head mechanism and make the treatment focal point reach the treatment area, thereby further improving the positioning accuracy of the treatment head mechanism in the treatment process.
[0046] Further, the first positioning module 2 further comprises a linear drive unit, the linear drive unit is arranged in the mounting shell 21 and is in transmission connection with the B-ultrasound probe 22, and the linear drive unit is used for driving the B-ultrasound probe 22 to approach or move away from the treatment focus. By additionally arranging the linear drive unit, the center axis of the B-ultrasound probe can pass through the treatment focus and can be positioned forward and backward, and whether the treatment focus is located in the treatment area in the body can be monitored in real time.
[0047] Illustratively, the linear drive unit comprises a lead screw 23, a sliding block 24 and a servo motor 25, the lead screw 23 is rotationally arranged in the mounting shell 21, one end of the sliding block 24 is fixedly connected with the B-ultrasound probe 22, the other end of the sliding block 24 is in threaded transmission connection with the lead screw 23, and the servo motor 25 is arranged in the mounting shell 21 and is coaxially connected with the lead screw 23. The servo motor 25 and the lead screw 23 are used for driving the lead screw 23 on the sliding block 24 to slide forward and backward, so as to ensure the accuracy of the B-ultrasound probe 22. Understandably, a rotary encoder is arranged in the shell of the servo motor 25, and the distance of sliding forward and backward in the inclined direction can be calculated according to the pitch and the number of rotation of the lead screw 23.
[0048] Further, the linear drive unit further comprises a guide slide rod 26, both ends of the guide slide rod 26 are fixedly arranged in the mounting shell 21, the extension direction of the guide slide rod 26 is the same as the extension direction of the lead screw 23, and the sliding block 24 is movably sleeved on the guide slide rod 26. By additionally arranging the guide slide rod 26, the sliding block 24 can only move along the straight line and cannot rotate.
[0049] Further, the guide slide rod 26 is provided with at least two guide slide rods 26, and the sliding block 24 is provided with at least two guide holes, and the guide slide rod 26 is arranged in the guide hole. By cooperation of the at least two guide slide rods 26 and the at least two guide holes on the sliding block 24, the stability and accuracy of the movement of the B-ultrasound probe 22 can be improved.
[0050] Illustratively, the sealing plate 31 is provided with a plurality of first insertion holes, the positioning tracking ball 32 is provided with second insertion holes, and the second positioning module 3 further comprises a plurality of adapter pieces 33, the first end of the adapter piece 33 is in insertion connection with the first insertion hole, and the second end of the adapter piece 33 is in insertion connection with the second insertion hole. By additionally arranging the adapter piece 33, the first insertion hole and the second insertion hole, the positioning tracking ball 32 can be inserted onto the sealing plate 31, and the installation stability of the positioning tracking ball 32 can be ensured.
[0051] Further, the shock wave source module 1 further comprises a handle 15, one end of the handle 15 is fixedly connected with the support 11. By additionally arranging the handle 15, the treatment head mechanism can be manually held.
[0052] Further, the surface of the handle 15 is provided with an anti-skid structure. The anti-skid structure can be but is not limited to an anti-skid convex, an anti-skid groove or an anti-skid line, and is not limited here.
[0053] Furthermore, such as Figures 3 to 5 As shown, a through hole 121 is provided in the center of the lens 12; and / or an inlet channel 111 and an outlet channel 112 are provided in the annular wall of the support 11, both of which are connected to the water storage chamber. The through hole 121 on the lens 12 facilitates the transmission of shock waves generated by the electromagnet 13. Both the inlet channel 111 and the outlet channel 112 are straight-through designs, with the outlet channel 112 located at the uppermost end of the support 11, ensuring that air bubbles can be discharged from the outlet channel 112, eliminating the need to add an outlet for venting on the water bladder 14. The outlet channel 112 extends from the outside of the electromagnet 13 to the rear end and then is connected to a circumferential inner pipe via a right-angle connector 16, reducing the outer diameter of the treatment head mechanism compared to a straight-outlet pipe from the side.
[0054] This embodiment also provides a lithotripter, which includes a power supply module, a binocular vision camera, and the aforementioned treatment head mechanism. The power disk 13 of both the binocular vision camera and the treatment head mechanism is electrically connected to the power supply module. An ultrasound probe 22 is used to monitor in real time whether the treatment focus is within the treatment area inside the body. A positioning tracking ball 32 is used to spatially position the treatment head mechanism via the binocular vision camera, which helps improve the positioning accuracy of the treatment head mechanism during treatment.
[0055] Note that the above description is merely a preferred embodiment of the present invention and the technical principles employed. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and various obvious changes, readjustments, and substitutions can be made without departing from the scope of protection of the present invention. Therefore, although the present invention has been described in detail through the above embodiments, the present invention is not limited to the above embodiments. Many other equivalent embodiments may be included without departing from the concept of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims
1. A treatment head mechanism, characterized by, The utility model relates to a shock wave source module (1) including support (11), lens (12), electromagnetic disk (13) and water bag (14), the water bag (14) is sealed to the front end of support (11) is equipped, the electromagnetic disk (13) is embedded in the inside of support (11), the lens (12) is set up in support (11) and is located the front end of electromagnetic disk (13), the electromagnetic disk (13), the water bag (14) and the inner wall of support (11) are surrounded and form the water storage cavity between them; First positioning module (2) including installation shell (21) and B ultrasonic probe (22), the installation shell (21) is obliquely arranged on the support (11), the B ultrasonic probe (22) is arranged on the installation shell (21) and the central axis of the B ultrasonic probe (22) intersects with the treatment focal point of the shock wave source module (1); Second positioning module (3) including sealing plate (31) and a plurality of positioning tracking balls (32), the sealing plate (31) is arranged on the rear end of the support (11), a plurality of positioning tracking balls (32) are installed on the back of the sealing plate (31). The first positioning module (2) further comprises:
2. The treatment head mechanism of claim 1, wherein, A linear drive unit is arranged in the installation shell (21) and is in transmission connection with the B ultrasonic probe (22), and the linear drive unit is used for driving the B ultrasonic probe (22) to approach or move away from the treatment focal point. The linear drive unit comprises a lead screw (23), a sliding block (24) and a servo motor (25), the lead screw (23) is rotatably arranged in the installation shell (21), one end of the sliding block (24) is fixedly connected with the B ultrasonic probe (22), the other end of the sliding block (24) is in threaded transmission connection with the lead screw (23), and the servo motor (25) is arranged in the installation shell (21) and is coaxially connected with the lead screw (23).
3. The treatment head mechanism of claim 2, wherein, The linear drive unit further comprises:
4. The treatment head mechanism of claim 3, wherein, A guide slide rod (26) is fixedly arranged in the installation shell (21) and has the same extension direction as the lead screw (23), and the sliding block (24) movably sleeves the guide slide rod (26). The guide slide rod (26) is provided with at least two guide holes, and the guide slide rod (26) penetrates the guide holes.
5. The treatment head mechanism of claim 4, wherein, The sealing plate (31) is provided with a plurality of first jacks, the positioning tracking ball (32) is provided with a second jack, and the second positioning module (3) further comprises:
6. The treatment head mechanism of claim 1, wherein, A plurality of adapters (33) are provided, the first end of the adapter (33) is inserted into the first jack, and the second end of the adapter (33) is inserted into the second jack. The shock wave source module (1) further comprises:
7. The treatment head mechanism of claim 1, wherein, A handle (15) is fixedly connected with the support (11) at one end. The surface of the handle (15) is provided with an anti-skid structure.
8. The treatment head mechanism of claim 7, wherein, The center of the lens (12) is provided with a through hole (121); and / or 9. The treatment head mechanism according to any one of claims 1-8, wherein, An inlet water flow channel (111) and an outlet water flow channel (112) are arranged in the annular wall of the support (11) and communicate with the water storage cavity.
10. A rock breaker characterized by, The power supply module, the binocular vision camera and the treatment head mechanism of any one of claims 1-9 are electrically connected.