A wrist-ankle needle training model for acupuncture learning
By designing a wrist-ankle needle training model that automatically unfolds and retracts, the problem of cumbersome needle fixing and replacement in existing technologies is solved, improving training efficiency and accuracy, and making it suitable for beginners.
Patent Information
- Application Number
- CN202511353779.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-22
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2045-09-22
AI Technical Summary
Existing wrist-ankle acupuncture training models are cumbersome to operate when fixing and changing needles, which increases the difficulty for beginners and affects training efficiency.
A wrist-ankle needle training model was designed, comprising a rotation unit, an unfolding unit, and a sliding unit. The model is automatically unfolded and retracted through a motor-driven gear system. Combined with magnetic fixation and warning light prompts, the process of fixing and placing needles is simplified.
It enables automatic expansion and contraction of the model, simplifies the needle operation process, improves training efficiency and accuracy, and is suitable for beginners.
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Figure CN120877598B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of wrist-ankle acupuncture training, and particularly relates to a wrist-ankle acupuncture training model for acupuncture learning. BACKGROUND
[0002] As a unique acupuncture therapy, wrist-ankle acupuncture therapy has an increasingly important position in clinical treatment and traditional Chinese medicine teaching due to its simple operation, wide indications and remarkable effect. In order to master the wrist-ankle acupuncture technology, beginners need to accurately position the needle point through a large amount of simulation training, so as to grasp the needle angle and understand the gas hand feeling. Therefore, the wrist-ankle acupuncture training model has become an indispensable auxiliary tool in acupuncture teaching and practice.
[0003] According to the search, the Chinese patent with the publication number CN217157512U discloses a model device for acupuncture training, and belongs to the technical field of acupuncture model, which is characterized in that: a workbench and a support seat located above the workbench are included, support columns are symmetrically arranged on the top of the workbench, the support seat is movably arranged between the support columns, a model main body is arranged above the support seat through a fixed plate, and a lifting mechanism is arranged in the inner cavity of the workbench.
[0004] Based on the above search and the existing technology, it is found that the existing model needs the trainer to manually fix the joint part of the model to a certain predetermined position, and then the acupuncture practice is carried out, which leads to a complicated fixing process and interrupts the training process. Before and after the practice, or when changing the needle, the trainer needs to carefully and accurately align and insert the needle body into these deep and narrow fixing holes, and it is also laborious to take out the needle. This design makes the actions of taking out and putting in the needle become complicated, especially for beginners, which increases the operation difficulty and affects the training efficiency. SUMMARY
[0005] The present application aims to provide a wrist-ankle acupuncture training model for acupuncture learning to solve the problems in the background art.
[0006] The technical solution of the present application is: a wrist-ankle acupuncture training model for acupuncture learning, including a base, a support column fixedly connected to the top of the base, a circular track fixedly connected to the support column, a V-shaped track fixedly connected to the circular track, and further including:
[0007] An acupuncture practice mechanism is arranged on the support column.
[0008] The acupuncture practice mechanism comprises a rotating unit, an unfolding unit and a sliding unit, the rotating unit comprises a rotating sleeve connected to the supporting column in a rotating mode, a plurality of fixed rods are fixedly connected to the rotating sleeve, one end of each of the plurality of fixed rods is rotatably connected to a rotating tube, a latch is slidably connected to the rotating tube, one end of the latch is fixedly connected to a model, a sliding block is slidably connected to the fixed rod, the top of the sliding block is fixedly connected to a cylindrical rod, the top end of the cylindrical rod extends to a circular track, a gear rack is fixedly connected to the sliding block, a gear three is fixedly connected to the rotating tube, the gear rack and the gear three are in meshing connection, a motor is fixedly connected to the top of the base, a gear two is fixedly connected to the output end of the motor, a gear one is fixedly connected to the rotating sleeve, the gear one and the gear two are in meshing connection, a protective cover is fixedly connected to the top of the base, and the protective cover is rotatably connected to the rotating sleeve.
[0009] Preferably, the inner wall of each of the plurality of rotating tubes is fixedly connected to a magnetic block, and one end of each of the plurality of latches is respectively adsorbed to a magnetic block.
[0010] Preferably, the unfolding unit comprises a fixed shaft fixedly connected to one end of the rotating tube, a rotating needle cylinder fixedly connected to the fixed shaft, a fixed needle cylinder and a plurality of movable needle cylinders rotatably connected to the fixed shaft, an arc-shaped ring fixedly connected to each of the fixed needle cylinder and the plurality of movable needle cylinders, and an extrusion column fixedly connected to each of the rotating needle cylinder and the plurality of movable needle cylinders, and each of the plurality of extrusion columns extends into each of the arc-shaped rings.
[0011] Preferably, an L-shaped rod is fixedly connected to the fixed needle cylinder, and the bottom end of the L-shaped rod is fixedly connected to the fixed rod.
[0012] Preferably, a needle body is placed on each of the rotating needle cylinder, the fixed needle cylinder and the plurality of movable needle cylinders, and an insulating sleeve is fixedly connected to each of the plurality of needle bodies.
[0013] Preferably, a group of guide plates one are fixedly connected to the inner wall of each of the rotating needle cylinder, the fixed needle cylinder and the plurality of movable needle cylinders, each of the group of guide plates one is in contact with the needle body, and a warning light one is fixedly connected to each of the rotating needle cylinder, the fixed needle cylinder and the plurality of movable needle cylinders.
[0014] Preferably, a plurality of acupoints are arranged in each of the models, a plurality of groups of guide plates two are arranged in each of the acupoints, and a plurality of warning lights two are fixedly connected to each of the models.
[0015] Preferably, the sliding unit comprises a winding drum fixedly connected to the cylindrical rod, a canvas is wound in the winding drum, a connecting rod is fixedly connected to the bottom end of the canvas, a movable block is slidably connected to the cylindrical rod, a connecting column is fixedly connected to the movable block, one end of the connecting column is fixedly connected to the connecting rod, and an extrusion spring is sleeved on the cylindrical rod.
[0016] Preferably, the fixed rod and the movable block are fixedly connected with a fixed block, and the two fixed blocks are rotatably connected with a rotating rod.
[0017] The wrist-ankle needle training model for acupuncture learning is improved, and has the following improvements and advantages compared with the prior art.
[0018] Firstly, the motor drives gear two to rotate, gear two drives gear one and rotating sleeve to rotate, the rotating sleeve drives the fixed rod, rotating tube, bolt and model to rotate in a circle, the fixed rod drives the sliding block and cylindrical rod to rotate, when the cylindrical rod reaches the position of the V-shaped rail, the V-shaped rail extrudes the cylindrical rod to drive the sliding block to move towards the model, the sliding block drives the rack to move, the rack drives gear three and rotating tube to rotate, the rotating tube drives the bolt and model to rotate, so that the model is turned down, the folded model is unfolded automatically, and then acupuncture is facilitated.
[0019] Secondly, the rotating needle cylinder drives the extrusion column to rotate, when the extrusion column moves to the other end of the arc-shaped ring, the extrusion column drives the movable needle cylinder to rotate through the arc-shaped ring, until the plurality of movable needle cylinders are unfolded, and then the user can take the needle, the rotating needle cylinder and the movable needle cylinder are unfolded, and thus the user can practice acupuncture.
[0020] Thirdly, the sliding unit is arranged, the extrusion spring is in a compressed state, the cylindrical rod moves to drive the movable block to move downwards, the movable block drives the connecting column and connecting rod to move downwards, the connecting rod drives the canvas to unfold downwards, and thus the acupoint diagram on the canvas can be unfolded, and thus the user who is not familiar with acupuncture can learn conveniently. BRIEF DESCRIPTION OF DRAWINGS
[0021] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the drawings needed in the specific embodiments or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creative labor.
[0022] Figure 1 It is an overall three-dimensional structure schematic diagram in the present application;
[0023] Figure 2 It is an internal cross-sectional structure schematic diagram of the protective cover in the present application;
[0024] Figure 3 It is a three-dimensional structure schematic diagram of the acupuncture practice mechanism in the present application;
[0025] Figure 4 It is the perspective structure schematic diagram of the unfolding unit in the application;
[0026] Figure 5 It is the perspective structure schematic diagram of the sliding unit in the application;
[0027] Figure 6 It is the internal section structure schematic diagram of the rotating needle cylinder in the application;
[0028] Figure 7 It is the internal section structure schematic diagram of the rotating tube in the application;
[0029] Figure 8 It is the perspective structure schematic diagram of the model and the guide sheet two cooperation in the application;
[0030] Figure 9 It is the perspective structure schematic diagram of the model and the guide sheet two cooperation in the application.
[0031] Reference signs:
[0032] 1, base; 11, support column; 12, rotating sleeve; 13, gear one; 14, motor; 15, gear two; 16, circular ring rail; 17, V-shaped rail; 18, protective cover; 2, fixed rod; 21, rotating tube; 22, bolt; 23, model; 24, sliding block; 25, cylindrical rod; 26, rack; 27, gear three; 28, magnetic block; 3, L-shaped rod; 31, fixed needle cylinder; 32, fixed shaft; 33, movable needle cylinder; 34, rotating needle cylinder; 35, extrusion column; 36, arc-shaped ring; 37, warning light one; 38, guide sheet one; 4, winding drum; 41, canvas; 42, connecting rod; 43, movable block; 44, connecting column; 45, extrusion spring; 46, fixed block; 47, rotating rod; 5, needle body; 51, insulating sleeve; 6, acupoint; 61, guide sheet two; 62, warning light two. DETAILED DESCRIPTION
[0033] The application will be described in detail below, and the technical solutions in the embodiments of the application will be clearly and completely described. Obviously, the described embodiments are only some of the embodiments of the application, not all the embodiments. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the application.
[0034] The application provides a wrist-ankle needle training model for acupuncture learning by improvement. The technical solutions of the application are:
[0035] As Figures 1 to 8As shown, the wrist-ankle needle training model for acupuncture learning provided by the embodiment of the application comprises a base 1, the top of the base 1 is fixedly connected with a support column 11, the support column 11 is fixedly connected with a circular track 16, the circular track 16 is fixedly connected with a V-shaped track 17, and the wrist-ankle needle training model further comprises:
[0036] The acupuncture practice mechanism is located on the support column 11.
[0037] The acupuncture practice mechanism comprises a rotating unit, an unfolding unit and a sliding unit. The rotating unit comprises a rotating sleeve 12 rotatably connected to the support column 11, a plurality of fixed rods 2 fixedly connected to the rotating sleeve 12, a rotating pipe 21 rotatably connected to one end of each of the fixed rods 2, a latch 22 slidably connected to the rotating pipe 21, a model 23 fixedly connected to one end of the latch 22, a sliding block 24 slidably connected to the fixed rod 2, a cylindrical rod 25 fixedly connected to the top of the sliding block 24, the top end of the cylindrical rod 25 extending to the circular track 16, a rack 26 fixedly connected to the sliding block 24, a gear three 27 fixedly connected to the rotating pipe 21, the rack 26 and the gear three 27 being in engagement, a motor 14 fixedly connected to the top of the base 1, a gear two 15 fixedly connected to the output end of the motor 14, a gear one 13 fixedly connected to the rotating sleeve 12, the gear one 13 and the gear two 15 being in engagement, a protective cover 18 fixedly connected to the top of the base 1, and the protective cover 18 being rotatably connected to the rotating sleeve 12. Through the arrangement of the rotating unit, the motor 14 drives the gear two 15 to rotate, the gear two 15 drives the gear one 13 and the rotating sleeve 12 to rotate, the rotating sleeve 12 drives the fixed rods 2, the rotating pipes 21, the latches 22 and the models 23 to rotate in a circle, the fixed rods 2 drive the sliding blocks 24 and the cylindrical rods 25 to rotate, when the cylindrical rods 25 reach the position of the V-shaped track 17, the V-shaped track 17 extrudes the cylindrical rods 25 to drive the sliding blocks 24 to move towards the models 23, the sliding blocks 24 drive the rack 26 to move, the rack 26 drives the gear three 27 and the rotating pipe 21 to rotate, the rotating pipe 21 drives the latches 22 and the models 23 to rotate, so that the models 23 are turned down, the models 23 are automatically unfolded, and then acupuncture can be conveniently performed, and the folded models 23 can save space.
[0038] Further, the inner walls of the plurality of rotating pipes 21 are fixedly connected with a plurality of magnetic blocks 28, and one end of each of the plurality of latches 22 is respectively adsorbed to one of the plurality of magnetic blocks 28. Through the arrangement of the magnetic blocks 28, the magnetic blocks 28 can adsorb the latches 22, and then can fix the models 23, and the magnetic adsorption fixing mode is convenient for replacing the models 23.
[0039] Further, the unfolding unit comprises a fixed shaft 32 fixedly connected to one end of the rotating pipe 21, a rotating needle cylinder 34 fixedly connected to the fixed shaft 32, a fixed needle cylinder 31 and a plurality of movable needle cylinders 33 rotatably connected to the fixed shaft 32, an arc-shaped ring 36 fixedly connected to each of the fixed needle cylinder 31 and the plurality of movable needle cylinders 33, an extrusion column 35 fixedly connected to each of the rotating needle cylinder 34 and the plurality of movable needle cylinders 33, and a plurality of extrusion columns 35 respectively extending into the plurality of arc-shaped rings 36; through the arrangement of the unfolding unit, the rotating needle cylinder 34 drives the extrusion column 35 to rotate, when the extrusion column 35 moves to the other end of the arc-shaped ring 36, the extrusion column 35 drives the movable needle cylinder 33 to rotate through the arc-shaped ring 36, until the plurality of movable needle cylinders 33 are unfolded, thereby facilitating the user to take the needle.
[0040] Further, the fixed needle cylinder 31 is fixedly connected with an L-shaped rod 3, and the bottom end of the L-shaped rod 3 is fixedly connected to the fixed rod 2; through the arrangement of the L-shaped rod 3, the fixed needle cylinder 31 is fixed, so that the movable needle cylinder 33 can be smoothly unfolded.
[0041] Further, the rotating needle cylinder 34, the fixed needle cylinder 31 and the plurality of movable needle cylinders 33 are each placed with a needle body 5, and the plurality of needle bodies 5 are each fixedly connected with an insulating sleeve 51; through the arrangement of the insulating sleeve 51, the user will not be electrocuted.
[0042] Further, the inner walls of the rotating needle cylinder 34, the fixed needle cylinder 31 and the plurality of movable needle cylinders 33 are each fixedly connected with a group of guide pieces one 38, the group of guide pieces one 38 is in contact with the needle body 5, and the rotating needle cylinder 34, the fixed needle cylinder 31 and the plurality of movable needle cylinders 33 are each fixedly connected with a warning light one 37; through the arrangement of the warning light one 37, when the needle body 5 is inserted into the movable needle cylinder 33, the needle body 5 is in contact with the guide piece one 38 and connects the circuit, so that the warning light one 37 on the movable needle cylinder 33 is lit, thereby having a warning effect, so that the needle body 5 will not be missed in the process of practicing acupuncture.
[0043] Further, the plurality of models 23 are each provided with a plurality of acupoints 6, the plurality of acupoints 6 are each provided with a plurality of groups of guide pieces two 61, and the plurality of models 23 are each fixedly connected with a plurality of warning lights two 62; through the arrangement of the guide pieces two 61, when the user inserts the needle body 5 into the acupoint 6 in the model 23, the needle body 5 is in contact with the guide piece two 61 in the acupoint 6 and connects the circuit, at this time, the warning light two 62 connected with the guide piece two 61 of the acupoint 6 is lit, thereby enabling accurate practice of acupuncture.
[0044] Further, the sliding unit comprises a winding drum 4 fixedly connected to the cylindrical rod 25, a canvas 41 is wound in the winding drum 4, a connecting rod 42 is fixedly connected to the bottom end of the canvas 41, a movable block 43 is slidably connected to the cylindrical rod 25, a connecting column 44 is fixedly connected to the movable block 43, one end of the connecting column 44 is fixedly connected to the connecting rod 42, and an extrusion spring 45 is sleeved on the cylindrical rod 25; through the setting of the sliding unit, since the extrusion spring 45 is in a compressed state, the cylindrical rod 25 moves to drive the extrusion spring 45 to move the movable block 43 downwards, the movable block 43 moves to drive the connecting column 44 and the connecting rod 42 to move downwards, and the connecting rod 42 moves to drive the canvas 41 to unfold downwards, thereby the acupoint chart on the canvas 41 can be unfolded, so that the user who is unfamiliar with the use can learn conveniently.
[0045] Further, the fixed rod 2 and the movable block 43 are both fixedly connected with a fixed block 46, and two fixed blocks 46 are commonly rotatably connected with a rotating rod 47; through the setting of the rotating rod 47, when the cylindrical rod 25 moves away from the V-shaped rail 17, the rotating rod 47 extrudes the movable block 43 to move upwards, the movable block 43 moves to drive the connecting column 44 and the connecting rod 42 to move, so that the canvas 41 can be wound.
[0046] Specific implementation steps: the motor 14 drives the gear two 15 to rotate, the gear two 15 drives the gear one 13 and the rotating sleeve pipe 12 to rotate, the rotating sleeve pipe 12 drives the fixed rod 2, the rotating pipe 21, the bolt 22 and the model 23 to rotate, the fixed rod 2 drives the sliding block 24 and the cylindrical rod 25 to rotate, when the cylindrical rod 25 reaches the position of the V-shaped rail 17, the V-shaped rail 17 extrudes the cylindrical rod 25 to drive the sliding block 24 to move towards the model 23, the sliding block 24 drives the rack 26 to move, the rack 26 drives the gear three 27 and the rotating pipe 21 to rotate, the rotating pipe 21 drives the bolt 22 and the model 23 to rotate, so that the model 23 is turned over downwards, the rotating pipe 21 drives the fixed shaft 32 to rotate, the fixed shaft 32 drives the rotating needle cylinder 34 to rotate, the rotating needle cylinder 34 drives the extrusion column 35 to rotate, when the extrusion column 35 moves to the other end of the arc-shaped ring 36, the extrusion column 35 drives the movable needle cylinder 33 to rotate through the arc-shaped ring 36, until the movable needle cylinder 33 is unfolded, thereby facilitating the user to take the needle, realizing the automatic unfolding of the folded model 23, thereby facilitating acupuncture, while the folded model 23 can save space, and the rotating needle cylinder 34 and the movable needle cylinder 33 can be unfolded, thereby facilitating the user to practice acupuncture, since the compression spring 45 is in a compressed state, the movement of the cylindrical rod 25 drives the movable block 43 to move downwards, the movable block 43 drives the connecting column 44 and the connecting rod 42 to move downwards, the connecting rod 42 drives the canvas 41 to unfold downwards, thereby unfolding the acupoint map on the canvas 41, thereby facilitating the user to learn, when the user inserts the needle body 5 into the acupoint 6 in the model 23, the needle body 5 contacts the second guide piece 61 in the acupoint 6 and connects the circuit, at this time, the warning light two 62 connected with the second guide piece 61 of the acupoint 6 is on, thereby accurately practicing acupuncture, when the needle body 5 is inserted into the movable needle cylinder 33, the needle body 5 contacts the first guide piece 38 and connects the circuit, so that the warning light one 37 on the movable needle cylinder 33 is on, thereby having a warning effect, so that the needle body 5 is not missed in the process of practicing acupuncture, in the process of practicing acupuncture, the model 23 includes ankle models and wrist models, and the sizes of the models 23 are different, thereby improving the acupuncture effect of the user, through the setting of the magnetic block 28, the magnetic block 28 can adsorb the bolt 22, thereby fixing the model 23, and the magnetic adsorption fixing mode facilitates the replacement of the model 23.
[0047] The above description enables those skilled in the art to carry out or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A wrist-ankle acupuncture training model for acupuncture learning, comprising a base (1), characterized in that: The base (1) is fixedly connected to a support column (11) at its top, and a circular rail (16) is fixedly connected to the support column (11). A V-shaped rail (17) is fixedly connected to the circular rail (16). The base also includes: An acupuncture practice mechanism, which is located on a support column (11); The acupuncture practice mechanism includes a rotating unit, an unfolding unit, and a sliding unit. The rotating unit includes a rotating sleeve (12) rotatably connected to a support column (11). Multiple fixed rods (2) are fixedly connected to the rotating sleeve (12). One end of each fixed rod (2) is rotatably connected to a rotating tube (21). A pin (22) is slidably connected inside each rotating tube (21). One end of the pin (22) is fixedly connected to a model (23). A slider (24) is slidably connected to the fixed rod (2). A cylindrical rod (25) is fixedly connected to the top of the slider (24). The top of the cylindrical rod (25) is... Extending to the circular track (16), a rack (26) is fixedly connected to the slider (24), and a gear three (27) is fixedly connected to the rotating tube (21). The rack (26) and the gear three (27) mesh with each other. A motor (14) is fixedly connected to the top of the base (1). A gear two (15) is fixedly connected to the output end of the motor (14). A gear one (13) is fixedly connected to the rotating sleeve (12). The gear one (13) and the gear two (15) mesh with each other. A protective cover (18) is fixedly connected to the top of the base (1). The protective cover (18) is rotatably connected to the rotating sleeve (12). The unfolding unit includes a fixed shaft (32) fixedly connected to one end of the rotating tube (21), a rotating syringe (34) fixedly connected to the fixed shaft (32), a fixed syringe (31) and a plurality of movable syringes (33) rotatably connected to the fixed shaft (32), an arc ring (36) fixedly connected to the fixed syringe (31) and the plurality of movable syringes (33), and a squeezing column (35) fixedly connected to the rotating syringe (34) and the plurality of movable syringes (33), and the plurality of squeezing columns (35) respectively extend into the plurality of arc rings (36); The sliding unit includes a take-up drum (4) fixedly connected to a cylindrical rod (25), a canvas (41) is wound inside the take-up drum (4), a connecting rod (42) is fixedly connected to the bottom end of the canvas (41), a movable block (43) is slidably connected to the cylindrical rod (25), a connecting column (44) is fixedly connected to the movable block (43), one end of the connecting column (44) is fixedly connected to the connecting rod (42), and a compression spring (45) is sleeved on the cylindrical rod (25).
2. The wrist-ankle acupuncture training model for acupuncture learning according to claim 1, characterized in that: The inner walls of the multiple rotating tubes (21) are fixedly connected with magnetic blocks (28), and one end of the multiple pins (22) is respectively attracted to the multiple magnetic blocks (28).
3. The wrist-ankle acupuncture training model for acupuncture learning according to claim 2, characterized in that: An L-shaped rod (3) is fixedly connected to the fixed syringe (31), and the bottom end of the L-shaped rod (3) is fixedly connected to the fixed rod (2).
4. The wrist-ankle acupuncture training model for acupuncture learning according to claim 3, characterized in that: Needle bodies (5) are placed on the rotating syringe (34), the fixed syringe (31) and the multiple movable syringes (33), and insulating sleeves (51) are fixedly connected to the multiple needle bodies (5).
5. The wrist-ankle acupuncture training model for acupuncture learning according to claim 3, characterized in that: The inner walls of the rotating syringe (34), the fixed syringe (31) and the multiple movable syringes (33) are all fixedly connected with a set of guide plates (38). The set of guide plates (38) is in contact with the needle body (5). Warning lights (37) are fixedly connected to the rotating syringe (34), the fixed syringe (31) and the multiple movable syringes (33).
6. The wrist-ankle acupuncture training model for acupuncture learning according to claim 5, characterized in that: Each of the multiple models (23) has multiple acupoints (6), each of the multiple acupoints (6) has multiple sets of guide plates (61), and each of the multiple models (23) has multiple warning lights (62) fixedly connected to it.
7. The wrist-ankle acupuncture training model for acupuncture learning according to claim 6, characterized in that: Fixed blocks (46) are fixedly connected to both the fixed rod (2) and the movable block (43), and rotating rods (47) are rotatably connected to both fixed blocks (46).
Citation Information
Patent Citations
Model device for acupuncture training
CN217157512U
Acupuncture manipulation intelligent training and evaluating device and system
CN112289161A
Acupuncture simulation system for teaching
CN211857818U