Treatment head water bag and stone crusher
By designing a treatment head water bladder with ring and hemispherical shell structures, the problem of increased water volume caused by radial expansion of the water bladder in the prior art was solved, achieving efficient expansion of the water bladder and improved structural strength.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ULTRASOUND ASSISTED MEDTECH PTE LTD
- Filing Date
- 2025-01-08
- Publication Date
- 2026-04-10
AI Technical Summary
The water bladder in the treatment head of existing extracorporeal shock wave lithotripters expands not only axially during the filling process, but also radially, resulting in an increased demand for water.
A therapeutic head water bladder was designed, comprising a ring-shaped first bladder and a hemispherical shell structured second bladder. The thickness of the closed end of the second bladder gradually decreases, and the inner wall surface is provided with snap-fit units and reinforcing rib units. This structural design allows the water bladder to expand mainly along the axial direction after being filled with water, thus reducing the amount of water.
This method significantly reduces water consumption while ensuring the water bladder expands normally, and improves the structural strength and ease of installation of the water bladder.
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Figure CN224099418U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to medical instrument technical field especially, relates to a treatment head water bag 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 by the stress effect of the stress pulse with high energy of focusing to stone, 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, stone is compressed, stretched, and violently moved to crush and powder stone.In the prior art, the treatment head water bag of lithotriptor not only expands along the axial direction, but also expands along the radial direction during water filling, so that more water is needed.
[0004] Therefore, it is urgent to provide a treatment head water bag and lithotriptor to solve the above problems. UTILITY MODEL CONTENT
[0005] The utility model aims at providing a treatment head water bag and lithotriptor, which can not only ensure normal expansion of the treatment head water bag, but also effectively reduce the amount of water used during use.
[0006] To achieve the above object, the following technical scheme is provided:
[0007] The treatment head water bag comprises:
[0008] The first capsule body is an annular structure, and the inner wall surface of the first capsule body is provided with a clamping unit.
[0009] The second capsule body is a hemispherical shell structure, the opening end of the second capsule body is fixedly connected with the first capsule body, the shell thickness of the closed end of the second capsule body gradually thins away from the second capsule body, and the inner wall surface of the second capsule body is provided with a reinforcing rib unit.
[0010] As an optional scheme of the treatment head water bag, the clamping unit comprises a first annular protrusion, and the inner diameter of the first annular protrusion is smaller than the inner diameter of the first capsule body.
[0011] As an optional scheme of the treatment head water bag, the reinforcing rib unit comprises a plurality of second annular protrusions, the plurality of second annular protrusions are arranged on the inner wall surface of the second capsule body at intervals, and the axes of the plurality of second annular protrusions are the same as the axis of the first annular protrusion.
[0012] As an alternative to the treatment head water bag, the first bag body and the second bag body are an integrated structure.
[0013] As an alternative to the treatment head water bag, the first bag body and the second bag body are both made of silica gel or rubber material.
[0014] As an alternative to the treatment head water bag, the inner wall surface of the first bag body and the second bag body is provided with a hydrophilic coating.
[0015] The lithotriptor comprises a shock wave source module, the shock wave source module comprises a support, a lens, an electromagnetic disc and a treatment head water bag as described above, the first bag body of the treatment head water bag is sealed to the front port of the support, the electromagnetic disc is embedded in the inside of the support, the lens is arranged in the support and located at the front end of the electromagnetic disc, and a water storage cavity is formed between the electromagnetic disc, the treatment head water bag and the inner wall of the support.
[0016] As an alternative to the lithotriptor, the lithotriptor comprises a first positioning module, the first positioning module comprises:
[0017] A mounting shell is obliquely arranged on the support;
[0018] A B-ultrasound probe is arranged on the mounting shell and the central axis of the B-ultrasound probe intersects with the treatment focal point of the shock wave source module.
[0019] As an alternative to the lithotriptor, the first positioning module further comprises:
[0020] A lead screw is rotationally arranged in the mounting shell;
[0021] A guide slide rod is fixedly arranged in the mounting shell and has the same extension direction as the lead screw;
[0022] A sliding block is fixedly connected to the B-ultrasound probe at one end and threadedly connected to the lead screw at the other end, and the sliding block is movably sleeved on the guide slide rod;
[0023] A servo motor is arranged in the mounting shell and drivingly connected to the lead screw.
[0024] As an alternative to the lithotriptor, the lithotriptor further comprises a second positioning module, the second positioning module comprises:
[0025] A sealing plate is arranged at the rear port of the support;
[0026] A plurality of positioning tracking balls are mounted on the back surface of the sealing plate.
[0027] Compared with the prior art, the utility model has the beneficial effects of
[0028] The treatment head water bag provided by the utility model, the first capsule body is annular structure, the opening end of the second capsule body is fixedly connected with the first capsule body, the clamping unit is arranged on the inner wall surface of the first capsule body, and the treatment head water bag is convenient to install on the lithotriptor. The shell thickness of the closed end of the second capsule body gradually thins away from the second capsule body.
[0029] The first capsule body sealing sleeve of the treatment head water bag of the lithotriptor is arranged at the front end of the support, and after water is filled into the treatment head water bag and pressurized in the treatment use process, the treatment head water bag tends to expand along the axial direction, and the water consumption is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0030] 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 the drawings for the ordinary skilled in the art without paying creative labor.
[0031] Figure 1 It is the structure schematic view of the first perspective of the treatment head water bag in the embodiments of the utility model;
[0032] Figure 2 It is the structure schematic view of the second perspective of the treatment head water bag in the embodiments of the utility model;
[0033] Figure 3 It is the sectional view of the treatment head water bag in the embodiments of the utility model;
[0034] Figure 4 It is the assembly schematic view of the first perspective of the lithotriptor in the embodiments of the utility model;
[0035] Figure 5 It is the assembly schematic view of the second perspective of the lithotriptor in the embodiments of the utility model;
[0036] Figure 6 It is Figure 5 the sectional view of A-A direction;
[0037] Figure 7 It is the assembly schematic view of the third perspective of the lithotriptor in the embodiments of the utility model;
[0038] Figure 8For Figure 7 Cross-sectional view of the B-B direction.
[0039] Reference signs:
[0040] 1, shock wave source module; 2, first positioning module; 3, second positioning module;
[0041] 11, support; 111, water inlet channel; 112, water outlet channel; 12, lens; 121, through hole; 13, electromagnetic disc; 14, treatment head water bag; 15, machine head handle; 16, right angle joint;
[0042] 21, mounting shell; 22, B-ultrasound probe; 23, lead screw; 24, sliding block; 25, servo motor; 26, guide sliding rod;
[0043] 31, sealing plate; 32, positioning tracking ball; 33, adapter;
[0044] 141, first capsule; 142, second capsule; 143, first annular protrusion; 144, second annular protrusion. DETAILED DESCRIPTION
[0045] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. The components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.
[0046] In the description of the utility model, it should be pointed out that the orientation or position relationship indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, or the orientation or position relationship commonly used when the utility model product is used, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply 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 a limitation on the utility model. 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 utility model, unless otherwise specified, the meaning of "a plurality of" is two or more.
[0047] In the description of the utility model, still need to explain, unless another explicit provision and limitation, term "arrangement", "connection" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection. For ordinary skilled in the art, can understand the specific meaning of the above terms in the utility model according to specific circumstances.
[0048] The embodiments of the utility model are described in detail below, and the examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, only for explaining the utility model, and cannot be understood as limiting the utility model.
[0049] In order to not only ensure the normal inflation of the treatment head water bag during use, but also effectively reduce the water usage, the embodiment provides a treatment head water bag and a lithotripsy machine, which are described below in combination with Figures 1 to 8 The specific content of the embodiment is described in detail.
[0050] As Figures 1 to 3 shown, the treatment head water bag 14 in the embodiment includes a first bag body 141 and a second bag body 142. The first bag body 141 is annular in structure, and the inner wall surface of the first bag body 141 is provided with a clamping unit. The second bag body 142 is a semi-spherical shell structure, the open end of the second bag body 142 is fixedly connected with the first bag body 141, the shell thickness of the closed end of the second bag body 142 gradually thins away from the second bag body 142 (i.e. along the axial direction of the second bag body 142), and the inner wall surface of the second bag body 142 is provided with a reinforcing rib unit.
[0051] Briefly, the treatment head water bag 14 provided by the embodiment has the first bag body 141 in annular structure, the open end of the second bag body 142 is fixedly connected with the first bag body 141, the clamping unit is arranged on the inner wall surface of the first bag body 141, so as to facilitate the installation of the treatment head water bag 14 on the lithotripsy machine. The second bag body 142 is a semi-spherical shell structure, and the shell thickness of the closed end of the second bag body 142 gradually thins away from the second bag body 142. After the treatment head water bag 14 is filled with water and pressurized during treatment, the shell thickness of the closed end of the second bag body 142 gradually thins away from the second bag body 142, so that the treatment head water bag 14 tends to expand along the axial direction, thereby reducing the water usage.
[0052] Further, the clamping unit comprises a first annular protrusion 143, an inner diameter of the first annular protrusion 143 is smaller than an inner diameter of the first capsule 141. By additionally arranging the first annular protrusion 143, not only is it convenient to clamp the treatment head water bag 14 on the support 11 of the lithotriptor, but also the installation difficulty is reduced, and the installation firmness is ensured; moreover, the structural strength of the first capsule 141 can be improved.
[0053] Further, the reinforcing rib unit comprises a plurality of second annular protrusions 144, the plurality of second annular protrusions 144 have the same axis, the plurality of second annular protrusions 144 are arranged on the inner wall surface of the second capsule 142 along the axis, and the axis of the plurality of second annular protrusions 144 is the same as that of the first annular protrusion 143. By additionally arranging the second annular protrusion 144, not only is it helpful to improve the structural strength of the second capsule 142, but also when the treatment head water bag 14 is filled with water and pressurized, the plurality of second annular protrusions 144 can inhibit the radial expansion of the second capsule 142, and it is helpful to guide the axial expansion of the second capsule 142.
[0054] Further, the first capsule 141 and the second capsule 142 are of an integrated structure. The first capsule 141 and the second capsule 142 are integrally formed, ensuring the connection firmness of the two. Exemplarily, the first capsule 141 and the second capsule 142 are both made of silicone or rubber.
[0055] Further, the inner wall surface of the first capsule 141 and the second capsule 142 is provided with a hydrophilic coating. By additionally arranging the hydrophilic coating, the formation of air bubbles in the treatment head water bag 14 can be inhibited.
[0056] As shown in Figures 4 to 6 The present embodiment also provides a lithotriptor, which comprises the shock wave source module 1, the first positioning module 2 and the second positioning module 3. The shock wave source module 1 comprises the support 11, the lens 12, the electromagnetic disc 13 and the treatment head water bag 14 mentioned above, the treatment head 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 treatment head water bag 14 and the inner wall of the support 11. The first positioning module 2 comprises the mounting shell 21 and the B-ultrasonic probe 22, the mounting shell 21 is obliquely arranged on the support 11, and the B-ultrasonic probe 22 is arranged on the mounting 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. The second positioning module 3 comprises the 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, and the plurality of positioning tracking balls 32 are mounted 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 a person to perform a stone elimination surgery.
[0057] Briefly, the lithotripter provided by the embodiment emits parallel shock waves by the electromagnetic disc 13, the shock waves reach the treatment position after being focused by the lens 12, and the water cavity is filled with water, on the one hand, the water can be used as a shock wave conducting 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 can make the treatment head water bag 14 swell to adjust the different treatment depths of the lithotripter to the patient. The center 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 lithotripter in the treatment process. The positioning tracking ball 32 is installed to the lithotripter, and the lithotripter is spatially positioned by the binocular vision camera, which is helpful to guide the movement of the lithotripter and make the treatment focal point reach the treatment area, thereby further improving the positioning accuracy of the lithotripter in the treatment process.
[0058] Further, the first positioning module 2 further comprises a linear driving unit, the linear driving unit is arranged in the mounting shell 21 and is in transmission connection with the B-ultrasound probe 22, and the linear driving unit is used to drive the B-ultrasound probe 22 to approach or move away from the treatment focal point. By additionally arranging the linear driving unit, the center axis of the B-ultrasound probe can pass through the treatment focal point and can be positioned forward and backward, and whether the treatment focal point is located in the treatment area in the body can be monitored in real time.
[0059] Illustratively, the linear driving 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 coaxially connected with the lead screw 23 and is arranged in the mounting shell 21. The servo motor 25 and the lead screw 23 are used to drive the lead screw 23 on the sliding block 24 to slide forward and backward, thereby ensuring 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 the sliding block 24 sliding forward and backward in the inclined direction can be calculated according to the pitch and the number of rotations of the lead screw 23.
[0060] Further, the linear driving unit further comprises a guide slide rod 26, both ends of the guide slide rod 26 are fixedly arranged in the mounting shell 21, and 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.
[0061] Still 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.
[0062] Exemplarily, the sealing plate 31 is provided with a plurality of first jacks, the positioning tracking ball 32 is provided with a plurality of second jacks, and the second positioning module 3 further comprises a plurality of adapters 33, 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. By adding the adapter 33, the first jack and the second jack, the positioning tracking ball 32 is facilitated to be inserted into the sealing plate 31, and the installation stability of the positioning tracking ball 32 is ensured.
[0063] Further, the shock wave source module 1 further comprises a handpiece handle 15, one end of the handpiece handle 15 is fixedly connected with the support 11. By adding the handpiece handle 15, the lithotripsy machine is facilitated to be manually held.
[0064] Still further, the surface of the handpiece 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 the like, which is not limited here.
[0065] Further, as shown in Figures 6 to 8 the center of the lens 12 is provided with a through hole 121; and / or the annular wall of the support 11 is provided with a water inlet channel 111 and a water outlet channel 112, both of which are communicated with the water storage cavity. By adding the through hole 121 on the lens 12, the shock wave generated by the electromagnetic disc 13 is facilitated to be transmitted. The water inlet channel 111 and the water outlet channel 112 are both designed in a straight-through manner, the water outlet channel 112 is located at the uppermost end of the support 11, so that the air bubbles can be discharged from the water outlet channel 112, and it is not necessary to increase a water outlet on the treatment head water bag 14 to discharge air. The water outlet channel 112 passes through the outside of the electromagnetic disc 13 to the rear end, and then is connected to the circumferential inner pipe by the right-angle connector 16, which is smaller in outer diameter of the lithotripsy machine compared with the pipe directly extending from the side.
[0066] Further, the lithotripsy machine further comprises a power supply module and a binocular vision camera, the binocular vision camera and the electromagnetic disc 13 are both electrically connected with the power supply module.
[0067] It should be noted that the above is only a preferred embodiment of the present application and the technical principle applied. Those skilled in the art will understand that the present application is not limited to the specific embodiments described herein, and those skilled in the art can make various obvious changes, re-adjustments and substitutions without departing from the scope of the present application. Therefore, although the present application has been described in more detail through the above embodiments, the present application is not limited to the above embodiments, and can include more other equivalent embodiments without departing from the concept of the present application, and the scope of the present application is determined by the scope of the appended claims.
Claims
1. A treatment head water bladder characterized by, The application relates to a water sac for a lithotriptor, which comprises the following components: a first water sac (141) in a ring shape, the inner wall surface of the first water sac (141) being provided with a clamping unit; a second water sac (142) in a half-shell shape, the open end of the second water sac (142) being fixedly connected with the first water sac (141), the shell thickness of the closed end of the second water sac (142) gradually decreasing in a direction away from the second water sac (142), and the inner wall surface of the second water sac (142) being provided with a reinforcing rib unit.
2. The treatment head water bladder of claim 1, wherein, The clamping unit comprises a first ring-shaped protrusion (143), and the inner diameter of the first ring-shaped protrusion (143) is smaller than the inner diameter of the first water sac (141).
3. The treatment head water bladder of claim 2, wherein, The reinforcing rib unit comprises a plurality of second ring-shaped protrusions (144), the plurality of second ring-shaped protrusions (144) being arranged at intervals on the inner wall surface of the second water sac (142), and the axes of the plurality of second ring-shaped protrusions (144) are the same as the axis of the first ring-shaped protrusion (143).
4. The treatment head water bladder of any one of claims 1-3, wherein, The first water sac (141) and the second water sac (142) are in an integrated structure.
5. The treatment couch bladder of claim 4, wherein, The first water sac (141) and the second water sac (142) are made of silica gel or rubber.
6. The treatment head water bladder of claim 4, wherein, The inner wall surfaces of the first water sac (141) and the second water sac (142) are provided with a hydrophilic coating.
7. A rock breaker characterized by, The application further relates to a lithotriptor, which comprises an impact wave source module (1), the impact wave source module (1) comprising a support (11), a lens (12), an electromagnetic disk (13) and the water sac as claimed in any one of claims 1-6, the first water sac (141) of the water sac being sealingly sleeved on the front end of the support (11), the electromagnetic disk (13) being embedded in the interior of the support (11), the lens (12) being arranged in the support (11) and located at the front end of the electromagnetic disk (13), and a water storage cavity being formed between the electromagnetic disk (13), the water sac and the inner wall of the support (11).
8. The lithotripter of claim 7, wherein, The lithotriptor further comprises a first positioning module (2), which comprises: a mounting shell (21) obliquely arranged on the support (11); a B-ultrasonic probe (22) arranged on the mounting shell (21) and having a central axis intersecting with a treatment focal point of the impact wave source module (1).
9. The lithotripter of claim 8, wherein, The first positioning module (2) further comprises: a lead screw (23) rotationally arranged in the mounting shell (21); a guide slide rod (26) fixedly arranged in the mounting shell (21) and having the same extension direction as the lead screw (23); a sliding block (24) having one end fixedly connected with the B-ultrasonic probe (22) and the other end threadedly connected with the lead screw (23), and the sliding block (24) being movably sleeved on the guide slide rod (26); and a servo motor (25) arranged in the mounting shell (21) and in transmission connection with the lead screw (23).
10. The lithotripter of claim 7, wherein The rock breaker further comprises a second positioning module (3), the second positioning module (3) comprises: an end plate (31) arranged at the rear end of the support (11); a plurality of positioning tracking balls (32) each mounted on the back of the end plate (31).