Puncture training device

Abstract

The utility model belongs to puncture training technical field especially, it is a kind of puncture training device, including base and detachably installed on the bionic meat piece of base, base is equipped with support piece, and the support piece and bionic meat piece form multiple placement grooves for the rubber tube to pass between, multiple accommodating grooves corresponding to placement groove are set in the inside of base, support piece is located above accommodating groove, for supporting rubber tube, and allowing puncture needle to pass, every accommodating groove is provided with the air bag of taking and placing, the accuracy of puncture operation and whether the force control is appropriate can be directly reflected by the air bag of being set in the lower part of rubber tube.

Description

Technical Field

[0001] This utility model relates to the field of puncture training technology, and in particular to a puncture training device. Background Technology

[0002] Any invasive procedure carries risks, such as bleeding, infection, pneumothorax (e.g., thoracentesis), and nerve damage. Medical students must practice hundreds or even thousands of times in simulated environments (models, mannequins) to internalize the procedures into "muscle memory" in order to minimize errors and complications when operating on real patients.

[0003] Existing models are generally square, skin-textured human body parts with simulated blood vessels or dura mater inside. Although they can serve as training tools for punctures, if the trainee applies too much force during puncture, they can easily penetrate to the back of the tubing. Existing models cannot provide quick and timely feedback on puncture failures.

[0004] Furthermore, when doctors assess trainees, they are unable to obtain accurate assessment results.

[0005] Furthermore, if the existing model is connected to the circulatory system and the flow rate in the tubing is controlled by the pump power, students can determine whether the tubing is an arterial tubing or a venous tubing based on other factors. For example, if the pump power is increased, the noise will be greater and the flow rate in the tubing will be faster, thus indicating that the tubing connected to the pump is an arterial tubing. Therefore, it loses its assessment significance. Utility Model Content

[0006] This utility model provides a puncture training device that solves the problems of existing technology, such as positioning deviation caused by loose bolts and other fastening components, and the adhesion of the blade surface due to oxides or dirt after long-term operation, which causes the blade to stick to the terminal and bend upward or downward after being pressed.

[0007] This utility model provides the following technical solution:

[0008] A puncture training device includes a base and a bionic meat block detachably mounted on the base. The base has a support member that forms multiple placement slots for a rubber tube to pass through between the support member and the bionic meat block. The base has multiple receiving slots that correspond one-to-one with the placement slots. The support member is located above the receiving slots to support the rubber tube and allow the puncture needle to pass through. Each receiving slot is provided with a removable airbag.

[0009] Alternatively, the support element can be a mesh or a grid.

[0010] Optionally, multiple hoses can be connected in parallel at both ends via multi-port connectors and then connected to the same circulating liquid supply system.

[0011] Optionally, each hose is connected to an independent circulating liquid supply system, with flow valves at both ends, and all flow valves are located inside the housing.

[0012] Optionally, the cover can be detachably mounted on both ends of the base.

[0013] Optionally, the circulating liquid supply system includes a water tank, a circulating pump, a supply pipe, and a return pipe. The circulating pump is installed inside the water tank, and its supply end is connected to the supply pipe. The other end of the supply pipe is connected to the input end of the hose. The return end of the hose is connected to the return pipe, and the other end of the return pipe eventually returns to the water tank, thus forming a complete circulation loop.

[0014] Optionally, the base is provided with a mounting groove for mounting a bionic meat block, which is enclosed by a surrounding wall and a mounting plate in the middle. The mounting plate has multiple mounting openings, each with a support component.

[0015] Optionally, the receiving groove is located at the bottom of the mounting plate and is formed by two adjacent limiting plates of the same support member, the mounting plate above, and the support member together.

[0016] Optionally, a cover plate is installed on the open side of the receiving groove to press the airbag tightly against the support.

[0017] Optionally, the cover and enclosure are provided with clearance grooves for the passage of the hose.

[0018] It should be understood that the above general description and the following detailed description are merely exemplary and do not limit the present invention.

[0019] In existing technologies, during puncture training, if the puncture needle penetrates the tubing, feedback of puncture failure can only be obtained after waiting for the fluid to flow out of the tubing. In this application, the tubing simulates the direction and elasticity of blood vessels. When performing a puncture, the support provides support for the tubing to ensure its stability. At the same time, if the puncture needle penetrates the biomimetic flesh block and pierces into the tubing, the tubing remains stable due to the support of the support. Since the airbag is close to the bottom of the tubing, if the puncture needle penetrates the bottom wall of the tubing, it will puncture the surface of the airbag, causing the airbag to deflate. This directly reflects the accuracy of the puncture operation and whether the force control is appropriate.

[0020] After multiple tubings are connected in parallel, the fluid is circulated through a circulating fluid supply system to keep the inside of the tubing full at all times. This more realistically simulates the fluid pressure inside the blood vessel and the feedback effect during puncture. Moreover, only one circulation pump is needed to supply fluid to multiple tubings at the same time, and multiple puncture training sessions can be performed with one clamping, which improves training efficiency.

[0021] The above description is merely an overview of the technical solution of this utility model. In order to better understand the technical means of this utility model and to implement it in accordance with the contents of the specification, and to make the above and other objects, features and advantages of this utility model more obvious and understandable, specific embodiments of this utility model are given below. Attached Figure Description

[0022] Various other advantages and benefits will become apparent to those skilled in the art upon reading the following detailed description of preferred embodiments. The accompanying drawings are for illustrative purposes only and are not intended to limit the scope of the invention. Furthermore, the same reference numerals denote the same parts throughout the drawings. In the drawings:

[0023] Figure 1 This is one of the three-dimensional structural schematic diagrams of a puncture training device provided in an embodiment of the present utility model;

[0024] Figure 2 An exploded structural diagram of the base, simulated meat block, tubing, and cover of a puncture training device provided in an embodiment of this utility model;

[0025] Figure 3 One of the three-dimensional structural schematic diagrams of the base of a puncture training device provided in an embodiment of the present utility model;

[0026] Figure 4 A bottom view of the base of a puncture training device provided in an embodiment of the present invention;

[0027] Figure 5 A second three-dimensional structural schematic diagram of the base of a puncture training device provided in an embodiment of this utility model;

[0028] Figure 6 A schematic diagram of the rubber tube and flow valve of the base of a puncture training device provided in an embodiment of this utility model;

[0029] Figure 7 A schematic diagram of the internal structure of the water tank of the base of a puncture training device provided in an embodiment of this utility model;

[0030] Figure 8 A schematic diagram of the circulation pump structure of the base of a puncture training device provided in this embodiment of the present invention;

[0031] Figure 9 A second three-dimensional structural schematic diagram of the base of a puncture training device provided in an embodiment of this utility model;

[0032] Figure 10A schematic diagram of the structure of the rubber tube of the base of a puncture training device provided in this embodiment of the utility model, which is connected in parallel by a T-joint.

[0033] Figure 11 This is a schematic diagram of the structure of an airbag installed inside the base of a puncture training device provided in an embodiment of the present invention. Detailed Implementation

[0034] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0035] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0036] Furthermore, in this utility model, the use of terms such as "first," "second," etc., is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0037] In this utility model, unless otherwise explicitly specified and limited, the terms "connection," "fixing," etc., should be interpreted broadly. For example, "fixing" can mean a fixed connection, a detachable connection, or an integral part; it can mean a mechanical connection or an electrical connection; it can mean a direct connection or an indirect connection through an intermediate medium; it can mean the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0038] Furthermore, the technical solutions of the various embodiments of this utility model can be combined with each other, but only if they are based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0039] To better understand the purpose, function, and specific design of this utility model, a puncture training device of this utility model will be described in further detail below with reference to the accompanying drawings.

[0040] like Figure 2 As shown, this application provides a puncture training device, including a base 5 and a bionic meat block 6 detachably mounted on the base 5. The base 5 is provided with a support member 12, and a plurality of placement slots for the passage of a rubber tube 9 are formed between the support member 12 and the bionic meat block 6. A plurality of receiving slots 16 corresponding to the placement slots are provided inside the base 5. The support member 12 is located above the receiving slots 16 and is used to support the rubber tube 9 and allow the puncture needle to pass through. Each receiving slot 16 is provided with a removable airbag 22.

[0041] In practical use, the user places the tubing 9 on the support 12 and then installs the bionic meat block 6 on the base 5. At this time, the tubing 9 will pass through the inside of the bionic meat block 6 and be limited and fixed. Then, the airbag 22 is inflated and placed into the receiving groove 16, ensuring that the airbag 22 is tightly attached to the bottom of the support 12. The bionic meat block 6 simulates the touch and resistance of human tissue, and the tubing 9 simulates the direction and elasticity of blood vessels. When a puncture operation is performed, the support 12 provides support for the tubing 9 to ensure the stability of the tubing 9. At the same time, if the puncture needle penetrates the bionic meat block 6 and pierces into the inside of the tubing 9, the tubing 9 remains stable due to the support of the support 12. Since the airbag 22 is tightly attached to the bottom of the tubing 9, if the puncture needle penetrates the bottom wall of the tubing 9, it will puncture the surface of the airbag 22, and the airbag 22 will deflate. This directly reflects the accuracy of the puncture operation and whether the force control is appropriate.

[0042] Furthermore, the base 5 can be rectangular, elliptical, or a three-dimensional shape that mimics a partial outline of the human body, depending on the training requirements. For example, the specific implementation of this application uses a rectangular base 5.

[0043] Furthermore, the biomimetic meat block 6 can be made of silicone or similar materials, possessing elasticity and density similar to real muscle tissue.

[0044] Furthermore, the tubing 9 is made of medical-grade elastic material, which has good flexibility and puncture resistance, such as silicone tubing 9 or polyurethane tubing. Its outer diameter is similar to that of blood vessels, which can realistically simulate the touch and puncture feedback of blood vessels.

[0045] Furthermore, the size of the placement groove is adapted to the outer diameter of the tubing 9 to ensure that the tubing 9 can be stably embedded and maintain its predetermined shape. The placement groove is a circular tube groove structure formed by two semi-circular grooves. Specifically, each support member 12 forms a lower semi-circular groove, while the corresponding position on the lower side of the bionic meat block 6 forms an upper semi-circular groove 8. After each placement groove is installed between the base 5 and the support member 12, it forms a complete circular tube channel to ensure that the tubing 9 remains stable and does not shift during puncture.

[0046] Furthermore, the airbag 22 is made of a highly elastic thin film material, which has good sealing and inflatability. Therefore, when pressed against the bottom of the support 12, it can fit tightly, ensuring that the puncture needle will immediately contact and puncture the airbag 22 after piercing the tube 9, so that the gas inside the airbag 22 is released rapidly, thereby providing immediate feedback. For example, a balloon can be used as the airbag 22 in this application.

[0047] Furthermore, the opening direction of the receiving groove 16 may not be specified, such as opening upwards, downwards, or sideways. For example, Figure 4 As shown, in this embodiment, the receiving groove 16 adopts a bottom opening.

[0048] Furthermore, the number of placement slots is at least two, but can be three, four, or more. For example, setting two slots can simulate arterial and venous puncture training, while setting four slots allows for multiple puncture training sessions with a single connection, improving training efficiency. The placement slots can be of the same or different sizes to accommodate the needs of different vascular puncture training. For example, different sized receiving slots 16 can simulate different types of blood vessels such as the radial artery, femoral artery, or vein. Exemplarily, in a specific embodiment of this application, such as... Figures 2-3 As shown, the number of placement slots is set to 2, and the placement slots are the same size, so that a rubber tube 9 of the same size is placed in each of the two placement slots. In actual puncture training, the puncture feeling under different blood vessel pressures can be simulated by controlling the flow rate of liquid in the rubber tube 9, thereby simulating veins and arteries, thus improving the realism and practicality of the training.

[0049] In one embodiment of this application, the support member 12 can be a mesh or grid. The mesh-like support member 12 design effectively supports the tubing 9 during installation while facilitating the passage of the puncture needle, ensuring the accuracy of the puncture path. The pore size of the mesh structure is adapted to the outer diameter of the tubing 9, ensuring the stable fixation of the tubing 9 without hindering the passage of the puncture needle during the puncture operation. Furthermore, the mesh-like support member 12 also possesses good puncture guidance, ensuring that the puncture needle is not obstructed by the support member 12 after penetrating the bionic meat block 6 and the tubing 9, thus smoothly puncturing the airbag 22 and accurately triggering the feedback mechanism.

[0050] Specifically, the grid structure of the support 12 can be composed of multiple crisscrossing metal wires, forming evenly distributed grid holes. The grid can be made of plastic or metal, possessing sufficient structural strength to support the installation and fixation of the tubing 9. Simultaneously, the small grid structure will not obstruct the movement of the puncture needle. After inflation, the airbag 22 can embed itself into the gaps in the grid, ensuring full contact with the bottom of the tubing 9, thereby achieving precise feedback during puncture. For example, as... Figure 3 As shown, in this embodiment, a grid is used as the support 12, and the grid and the base 5 are integrally formed. The support structure of the grid can prevent the tube 9 from sinking or shifting during puncture, further improving the realism of the simulation and the stability of the operation.

[0051] Furthermore, the connection method between the support member 12 and the base 5 includes, but is not limited to, snap-fit, adhesive, or integral molding, to ensure that the support member 12 is securely installed on the surface of the base 5. For example, the support member 12 in this application is integrally formed with the base 5.

[0052] In one embodiment of this application, as Figures 9-10 As shown, multiple hoses 9 are connected in parallel at both ends through multi-port connectors and then connected to the same circulating liquid supply system.

[0053] In the above embodiments, after multiple tubing 9 are connected in parallel, the fluid is circulated through a circulating fluid supply system to keep the inside of the tubing 9 always full, thereby more realistically simulating the fluid pressure in the blood vessel and the feedback effect during puncture. Moreover, only one circulating pump 19 is needed to achieve simultaneous fluid supply to multiple tubing 9, and multiple puncture trainings can be performed with one clamping, which improves training efficiency.

[0054] Specifically, such as Figure 10 As shown, the multi-port connector is a three-way or four-way structure. For example, in this embodiment, a three-way connector 20 is used to connect multiple rubber tubes 9 in parallel. The number of three-way connectors 20 is set at the first end of the rubber tubes 9 to match the number of rubber tubes 9. The three-way connector 20 includes two opposite interfaces and a third interface 18. The opposite interfaces of adjacent three-way connectors 20 are connected in series through elastic tubes 17 to form a liquid supply channel. One end of the liquid supply channel is connected to the sealing head 21 and the other end is connected to the circulation pump 19. The third interface 18 of each three-way connector 20 is connected to the first end of the corresponding rubber tube 9 to ensure that each rubber tube 9 is connected to the liquid supply channel. The second end of the rubber tube 9 is also set up. One end of the liquid supply channel at the second end is connected to the sealing head 21 and the other end is connected to the water tank 1 to form a closed-loop liquid supply system. After the circulation pump 19 is powered on, the liquid in the water tank 1 is pressurized by the circulation pump 19 and transported to each rubber tube 9 along the liquid supply channel, so that the inside of the rubber tube 9 is always full, thereby effectively simulating the fluid pressure in the blood vessel and the feedback effect during puncture.

[0055] Furthermore, the three-way connector 20 is a test plastic three-way switch valve, which can control the on / off state of each hose 9 by adjusting the switch.

[0056] In one embodiment of this application, as Figures 1-8 As shown, each hose 9 is connected to an independent circulating liquid supply system, with flow valves 10 installed at both ends, and all flow valves 10 are located inside the cover 4.

[0057] In the above embodiments, each tubing 9 is independently connected to a circulating fluid supply system. Each circulating fluid supply system can use a different colored liquid for differentiation. By adjusting the flow valves 10 at both ends, the flow rate and pressure of the liquid inside each tubing 9 can be controlled, allowing different tubing 9 to simulate the physiological state of different blood vessels. For example, a fast flow rate and high pressure weaken the deformability of the tubing 9, thus simulating arterial characteristics. Conversely, a slow flow rate and low pressure strengthen the deformability of the tubing 9, thus simulating venous characteristics. The flow valves 10 are located inside the housing 4, thus preventing trainees from directly seeing the specific state of the flow valves 10 and preventing them from judging whether the tubing 9 simulates an artery or a vein by observing the state of the flow valves 10, thereby improving the realism of the training and the effectiveness of the assessment.

[0058] When assessing trainees, different colored liquids can be placed in water tank 1 to correspond to different blood vessel types. Simultaneously, the corresponding flow valves 10 are adjusted to control the flow rate and pressure of the liquid in each tubing 9. For example, red liquid can be placed in the first water tank 1 to simulate an artery, and the corresponding flow valve 10 is adjusted to make the liquid flow faster and the pressure higher. Blue liquid can be placed in the second water tank 1 to simulate a vein, and the corresponding flow valve 10 is adjusted to make the liquid flow slower and the pressure lower. Then, the water tanks 1 containing different colored liquids are connected to the corresponding circulating fluid supply systems. During puncture training, trainees can only determine the blood vessel type through puncture feedback. That is, during operation, ultrasound imaging is needed to identify the echo characteristics of the puncture site and the deformation feedback of the tubing 9 to determine the blood vessel type. Then, the puncture operation is performed. When the puncture needle is inserted into the corresponding tubing 9, the liquid in the tubing 9 will flow back into the puncture needle. By observing the color of the liquid in the puncture needle, it can be determined whether the puncture is accurate. If the color matches the expectation, it indicates that the puncture position is correct; otherwise, it indicates that the puncture has failed.

[0059] Furthermore, the cover 4 can be made of hard plastic or soft fabric, as long as it can cover the flow valve 10 and prevent trainees from directly observing its opening and closing state.

[0060] Furthermore, such as Figure 6As shown, the flow valve 10 is an experimental plastic two-way valve with a simple structure and good sealing performance. It can effectively regulate the liquid flow rate and ensure the stability of the liquid flow rate and pressure in the hose 9. One end of the two-way valve is connected to the liquid supply channel of the hose 9, and the other end is connected to the circulation pump 19 or the water tank 1. By manually adjusting the opening and closing degree of the valve body, the fluid state of each hose 9 system can be precisely controlled.

[0061] In one embodiment of this application, as Figure 2 As shown, the cover 4 is detachably installed at both ends of the base 5. The detachable cover 4 allows for convenient adjustment of the flow valve 10.

[0062] After the cover 4 is installed, trainees cannot directly observe the status of the flow valve 10, so they can only rely on puncture feedback to determine the type of blood vessel during training, which improves the realism of the operation and the objectivity of the assessment.

[0063] In one embodiment of this application, as Figure 2 As shown, the cover 4 is a rigid plastic part. The cover 4 and the enclosure 13 are connected by a snap-fit ​​structure (not shown in the figure) to achieve quick assembly and disassembly. The snap-fit ​​structure includes protruding buckles on the edge of the cover 4 and corresponding slots on the enclosure 13. During assembly, simply align the protruding buckles with the slots and apply pressure to complete the fixed connection.

[0064] In one embodiment of this application, as Figure 1 , Figure 2 , Figure 7 , Figure 8 As shown, the circulating liquid supply system includes a water tank 1, a circulating pump 19, a supply pipe 2, and a return pipe 3. The circulating pump 19 is installed in the water tank 1, and its supply end is connected to the supply pipe 2. The other end of the supply pipe 2 is connected to the input end of the hose 9. The return end of the hose 9 is connected to the return pipe 3, and the other end of the return pipe 3 eventually returns to the water tank 1, thus forming a complete circulation loop.

[0065] The water tank 1 is used to store liquid that simulates the characteristics of blood vessels, and the liquid is driven by the circulation pump 19 to circulate between the supply pipe 2, the rubber tube 9 and the return pipe 3 to maintain the continuous flow of liquid in the system, thereby more realistically simulating the blood flow state in blood vessels.

[0066] Furthermore, the circulating pump 19 can be a miniature water pump, which features low noise, high stability, and low price.

[0067] Furthermore, the return tube 3 and the supply tube 2 can be medical silicone tubing.

[0068] Furthermore, water tank 1 is a box structure made of transparent material.

[0069] In one embodiment of this application, the base 5 is provided with an installation groove for installing a bionic meat block 6. The installation groove is surrounded by a wall 13 and an installation plate 11 in the middle. The installation plate 11 has multiple installation openings 14, and each installation opening 14 is equipped with a support member 12.

[0070] When the bionic meat block 6 is placed in the mounting groove, its bottom contacts the mounting plate 11, while its sides are surrounded by the enclosure wall 13 to ensure that the bionic meat block 6 will not shift or shake during operation. The mounting opening 14 is a strip-shaped opening that extends along the length of the mounting groove, and a support member 12 is fixed inside the strip-shaped opening.

[0071] Furthermore, such as Figure 3 , Figure 5 As shown, the enclosure 13 can be a continuously arranged ring structure or multiple vertical plates arranged at intervals. It can be flexibly adjusted according to the external dimensions of the bionic meat block 6. For example, in this embodiment, the enclosure 13 is a continuously arranged ring structure, and its height is slightly lower than the height of the bionic meat block 6.

[0072] In one specific embodiment of this application, such as Figures 3-4 As shown, the support component 12 consists of multiple spaced arc-shaped grilles, with both ends of the arc-shaped grilles fixedly connected to the two sides of the strip-shaped opening. The base 5, the enclosure 13, the mounting plate 11, and the arc-shaped grilles are all made of plastic and manufactured using an integrated molding process to ensure structural strength and overall stability.

[0073] In one embodiment of this application, as Figure 4 As shown, the receiving groove 16 is located at the bottom of the mounting plate 11 and is formed by two adjacent limiting plates 15 of the same support member 12, the mounting plate 11 above, and the support member 12.

[0074] The limiting plate 15 is vertically set and fixed vertically to the mounting plate 11, thereby providing vertical support when the bionic meat block 6 is installed. The two ends of the limiting plate 15 can be fixedly connected to the inner side of the enclosure 13 to enhance the stability of the overall structure, or a gap can be left. The two limiting plates 15, the upper mounting plate 11 and the support member 12 together form a receiving groove 16 with a lower opening. The airbag 22 can be put into the receiving groove 16 from the lower opening. When the base 5 is placed on the table, the opening of the receiving groove 16 faces downward, so that the lower part of the airbag 22 is pressed on the table, so that the upper part of the airbag 22 can be closely attached to the lower side of the support member 12.

[0075] In one embodiment of this application, as Figure 11 As shown, a cover plate 23 is installed on the open side of the receiving groove 16 to press the airbag 22 tightly against the support member 12.

[0076] The cover plate and the receiving groove 16 can be detachably installed by means of snap-fit ​​connection or bolt connection. By setting the cover plate, the airbag 22 is effectively fixed in the receiving groove 16, so as to prevent it from shifting or falling off during use.

[0077] In one embodiment of this application, as Figures 1-3 , Figure 5 As shown, both the cover 4 and the enclosure 13 are provided with clearance grooves 7 for the passage of the rubber tube 9.

[0078] The clearance groove 7 allows the hose 9 to pass smoothly through the cover 4 and the enclosure 13 during installation, avoiding bending or pressure due to path restrictions, and further ensuring the unobstructed flow of the liquid circulation system. The clearance groove 7 can be a circular through hole or a long strip notch. For example, in this embodiment, the clearance groove 7 is a long strip notch formed on the side wall of the cover 4 and the enclosure 13, and its width is slightly larger than the outer diameter of the hose 9 so that the hose 9 can pass through smoothly. Furthermore, the edges of the clearance groove 7 are rounded to reduce the frictional resistance encountered by the hose 9 when it passes through.

[0079] The above are merely specific embodiments of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. In the absence of conflict, the embodiments and features in the embodiments of this utility model can be combined with each other. Therefore, the protection scope of this utility model should be determined by the scope of the claims.

Claims

1. A puncture training device, characterized in that, Includes a base (5) and a bionic meat block (6) detachably mounted on the base (5). The base (5) is provided with a support (12). The support (12) and the bionic meat block (6) form multiple placement slots for the passage of the rubber tube (9). The base (5) has multiple receiving slots (16) corresponding to the placement slots. The support (12) is located above the receiving slots (16) to support the rubber tube (9) and allow the puncture needle to pass through. Each receiving slot (16) is provided with a removable airbag (22).

2. The puncture training device according to claim 1, characterized in that, The support component (12) can be a grid or a grille.

3. The puncture training device according to claim 2, characterized in that, Multiple hoses (9) are connected in parallel at both ends through multi-port connectors and then connected to the same circulating liquid supply system.

4. The puncture training device according to claim 2, characterized in that, Each hose (9) is connected to an independent circulating liquid supply system, with flow valves (10) at both ends, and all flow valves (10) are located inside the cover (4).

5. The puncture training device according to claim 4, characterized in that, The cover (4) is detachably installed at both ends of the base (5).

6. A puncture training device according to claim 3 or 4, characterized in that, The circulating liquid supply system includes a water tank (1), a circulating pump (19), a supply pipe (2) and a return pipe (3). The circulating pump (19) is installed in the water tank (1), and its supply end is connected to the supply pipe (2). The other end of the supply pipe (2) is connected to the input end of the hose (9). The return end of the hose (9) is connected to the return pipe (3), and the other end of the return pipe (3) eventually returns to the water tank (1), thus forming a complete circulation loop.

7. The puncture training device according to claim 1, characterized in that, The base (5) is provided with an installation groove for installing a bionic meat block (6). The installation groove is surrounded by a wall (13) and an installation plate (11) in the middle. The installation plate (11) has multiple installation openings (14), and each installation opening (14) is equipped with a support (12).

8. The puncture training device according to claim 7, characterized in that, The receiving groove (16) is located at the bottom of the mounting plate (11) and is formed by two adjacent limiting plates (15) of the same support member (12), the mounting plate (11) above, and the support member (12).

9. A puncture training device according to claim 8, characterized in that, A cover plate (23) is installed on the open side of the receiving groove (16) to press the airbag (22) tightly against the support member (12).

10. A puncture training device according to claim 5, characterized in that, Both the cover (4) and the enclosure (13) are provided with clearance grooves (7) for the passage of the hose (9).

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