CN116884303A - Venipuncture training simulator - Google Patents

Abstract

The invention discloses a venipuncture training simulation device and relates to the field of puncture simulation devices. The venipuncture training simulation device includes a device fixed platform. The top of the device fixed platform is provided with a support platform and a water tank body. The support platform is provided with a joint assembly, and the support platform is provided with a bearing frame. The main body of the puncture model is movably connected to the bearing frame. This venipuncture training simulation device uses a device fixed platform, a support platform and a load-bearing frame to provide support and limit the main body of the puncture model to ensure the force stability of the main body of the puncture model. When installing and positioning the main body of the puncture model, a quick clamp is used The connection method is simple and convenient to operate, saving time and effort. At the same time, during the clamping process, the venous simulation pipeline and artery simulation pipeline inside the puncture model body can be automatically connected to the joint assembly simultaneously, and the pressure pump can be used to simulate dynamic blood flow, improving Venipuncture simulation effect.

Description

A venipuncture training simulation device

Technical field

The invention relates to the technical field of puncture simulation devices, specifically a venipuncture training simulation device.

Background technique

Venipuncture plays a very important role in medicine. It is suitable for people who need long-term infusion and have difficulty puncturing due to hardening and collapse of peripheral veins. When medical staff learn venipuncture, they first need to use models for simulation training, so as to quickly improve their professional skills. Skill.

Traditional venipuncture training simulation devices are generally made of silicone material. Pipes and liquids are set up inside the silicone simulation human body model to simulate the human body environment, making the simulation device more realistic. However, silicone simulation devices are generally not subject to The external device support is not stable enough when placed on the desktop, and the liquid in the pipeline inside the silicone material cannot flow and cannot simulate the real blood flow. If the external pipeline and pump set are connected to the internal pipeline made of silicone material, the connection operation must be performed every time When the model is used, the pipeline needs to be docked once, which is inconvenient to operate. After multiple trainings on the model, if there are many pinholes on the surface, it needs to be replaced. Each time the silicone simulation device is replaced, the pipeline needs to be manually disassembled. And installation, the number of pipeline joints is large, the operation is time-consuming and labor-intensive, and cannot meet the needs of use. In view of the shortcomings of the existing technology, the present invention provides a venipuncture training simulation device to solve the above problems.

Contents of the invention

(1) Technical problems solved

In view of the shortcomings of the existing technology, the present invention provides a venipuncture training simulation device, which solves the problem that traditional venipuncture training simulation devices are generally not supported by external devices, are not stable enough when placed on the desktop, and have pipeline liquid inside the silicone material. It cannot flow and cannot simulate real blood flow conditions. If the external pipelines and pump sets are connected to the internal pipelines made of silicone material, each time the connection operation is performed, the pipelines need to be specially docked. The operation is inconvenient and the model has to be repeatedly After training, if there are many pinholes on the surface, it needs to be replaced. Every time you replace the silicone simulation device, you need to manually disassemble and install the pipeline. There are many pipeline joints, the operation is time-consuming and labor-intensive, and it cannot meet the needs of use. .

(2) Technical solutions

In order to achieve the above objects, the present invention is realized through the following technical solutions: a venipuncture training simulation device, including a device fixing platform, the top of the device fixing platform is provided with a support platform and a water tank main body;

The support station board is provided with a joint assembly. The joint assembly includes a support fixed block fixedly connected to the support station board. The support fixed block is provided with a sleeve seat, and the inner part of the sleeve seat is slidingly connected. A telescopic tube, with a plug provided on the telescopic tube;

The support platform is provided with a bearing frame, and the puncture model body is movably connected to the bearing frame;

The main body of the puncture model is provided with a vein simulation pipeline and an artery simulation pipeline. Both the vein simulation pipeline and the artery simulation pipeline are provided with butt joints, and the plug is movable and clamped in the butt joint;

The main body of the water tank is provided with a pressure pump and a return pipe, the pressure pump is provided with a circulation pipe, and the circulation pipe and the return pipe are connected to the sleeve seat;

The support platform is provided with a locking mechanism corresponding to the butt joint.

Preferably, the locking mechanism includes a positioning seat, the positioning seat is fixedly connected to the support platform, a third spring is provided inside the positioning seat, and slide blocks are fixedly connected to both ends of the third spring. The slide block is slidingly connected in the positioning seat, the slide block is provided with a wedge block, and the slide block is provided with an unlocking handle;

The butt joint is provided with a positioning groove, and the wedge-shaped block is movably engaged in the positioning groove.

Preferably, the inner cavity of the sleeve seat is provided with a snap ring, the snap ring is provided with a short connecting tube, the snap ring is fixedly connected to a first spring, and the first spring is fixedly connected to a seal. Plug, the sealing plug fits the opening position of the inner cavity of the sleeve seat.

Preferably, the telescopic tube is provided with a limiting ring plate, and the telescopic tube is provided with a water inlet.

Preferably, the telescopic tube is provided with a baffle, and a second spring is fixedly connected between the baffle and the supporting platform.

Preferably, the carrier frame is provided with a clamping strip, the main body of the puncture model is provided with a clamping slot, and the clamping strip is movably clamped in the slot.

Preferably, the bearing frame is provided with a limiting plate, and the limiting plate is used to install and position the main body of the puncture model.

Preferably, the bottom of the bearing frame is provided with a reinforcement assembly, the reinforcement assembly includes a guide rail frame, an adjustable adjustment table is provided on the guide rail frame, a locking rod is provided on the adjustment table, and the puncture model body A locking hole is provided on the top, and the locking rod is movably engaged in the locking hole.

Preferably, the adjustment table is slidingly connected to the guide rail frame, a screw rod is threadedly connected to the guide rail frame, and the screw rod is rotationally connected to the adjustment table.

The invention discloses a venipuncture training simulation device, which has the following beneficial effects:

1. This venipuncture training simulation device uses a fixed platform, a support platform and a load frame to provide support and limit the main body of the puncture model to ensure the stability of the stress on the main body of the puncture model. When installing and positioning the main body of the puncture model, The fast clamping method is simple and convenient to operate, saving time and effort. At the same time, during the clamping process, the vein simulation pipeline and artery simulation pipeline inside the puncture model body can be automatically connected to the joint assembly simultaneously, so that the joint assembly and the water tank main body can be connected simultaneously. It is connected to the interior of the puncture model body. It cooperates with the pressure pump to simulate dynamic blood flow and improves the venipuncture simulation effect. When the subsequent puncture model body has many pinholes or needs to be replaced due to aging, it can quickly disassemble and synchronize the puncture model body. Block the passage state of the joint assembly, thereby realizing rapid replacement of the main body of the puncture model to meet usage needs.

2. The venipuncture training simulation device has a simple overall structure of the locking mechanism. It is easy to operate when locking the position of the joint. By moving the joint and directly connecting the wedge block to the inside of the positioning groove, the puncture model can be realized. The initial position of the main body and the butt joint is fixed, making the installation and positioning of the puncture model main body and the butt joint quick and easy. The use of the unlocking handle can easily pull the slider and wedge block as a whole, thereby quickly unlocking the locking state of the puncture model main body and the butt joint. , which facilitates the disassembly of the main body of the puncture model. The overall structure of the reinforcement component is simple and easy to operate, so as to further strengthen the main body of the puncture model, so that the installation and positioning support of the main body of the puncture model is stable and not easy to loosen or come loose, ensuring During the venipuncture simulation training process, the main body of the puncture model has good stability.

3. In this venipuncture training simulation device, when the docking connector and the plug are in a docking state, the plug, telescopic tube and baffle as a whole squeeze the second spring, and the reaction force of the second spring will be exerted on the plug, causing the plug to connect with the plug. The connectors are tightly connected and are not prone to leakage, thereby ensuring a good connection between the plug and the butt connector.

Description of the drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings in the following description are only These are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without exerting creative efforts.

Figure 1 is a schematic diagram of the overall structure of the present invention;

Figure 2 is a top view of the present invention;

Figure 3 is a front view of the present invention;

Figure 4 is a cross-sectional view of the main body of the puncture model of the present invention;

Figure 5 is a structural diagram of the main body of the puncture model of the present invention;

Figure 6 is a schematic diagram of the overall structure of the bearing frame of the present invention;

Figure 7 is a cross-sectional view of the bearing frame of the present invention;

Figure 8 is an enlarged view of part A in Figure 7 of the present invention;

Figure 9 is a schematic structural diagram of the joint assembly of the present invention;

Figure 10 is a cross-sectional view of the joint assembly of the present invention;

Figure 11 is a schematic structural diagram of the water inlet of the present invention.

In the picture: 1. Device fixed platform; 2. Supporting platform; 3. Joint assembly; 301. Supporting fixed block; 302. Sleeve seat; 3021. Snap ring; 3022. Connecting short tube; 3023. First spring; 3024 , sealing plug; 303. telescopic tube; 3031. limit ring plate; 3032. water inlet; 304. plug; 305. baffle; 306. second spring; 4. water tank body; 401. pressure pump; 402. circulation Pipe; 403. Return pipe; 5. Bearing frame; 501. Snap bar; 502. Limit plate; 503. Guide rail frame; 504. Adjustment table; 505. Locking rod; 506. Screw rod; 6. Puncture model body; 601. Venous simulated pipeline; 602. Arterial simulated pipeline; 603. Card slot; 604. Locking hole; 605. Butt joint; 6051. Positioning groove; 7. Positioning seat; 701. Third spring; 702. Slider; 703. Wedge block; 704. Unlocking handle.

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments are part of the embodiments of the present invention, not all implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts fall within the scope of protection of the present invention.

By providing a venipuncture training simulation device, the embodiment of the present application solves the problem that traditional venipuncture training simulation devices are generally not supported by external devices, are not stable enough when placed on the desktop, and the pipeline liquid inside the silicone material cannot flow and cannot be simulated. For real blood flow conditions, if the external pipeline and pump set are connected to the internal pipeline made of silicone material, each time the connection operation is performed, the pipeline needs to be docked specifically, which is inconvenient. After the model has been trained for many times, the surface needle When there are many holes, they need to be replaced. Every time the silicone simulation device is replaced, the pipeline needs to be disassembled and installed manually. There are many pipeline joints, the operation is time-consuming and labor-intensive, and it cannot meet the needs of use.

This venipuncture training simulation device uses a device fixed platform 1, a support station plate 2 and a load-bearing frame 5 to provide support and limit the puncture model body 6 to ensure the force stability of the puncture model body 6. When installing and positioning, a quick clamping method is adopted, which is simple and convenient to operate, saving time and effort. At the same time, during the clamping process, the vein simulation pipeline 601 and the artery simulation pipeline 602 inside the puncture model body 6 can be automatically synchronized with the joint assembly 3 Docking makes the joint assembly 3, the water tank body 4 and the puncture model body 6 connected internally, and cooperates with the pressure pump 401 to simulate dynamic blood flow and improve the venipuncture simulation effect. In the subsequent puncture model body 6, there are many pinholes or aging and need to be replaced. At this time, the puncture model main body 6 can be quickly disassembled and the passage state of the joint assembly 3 can be blocked simultaneously, so that the puncture model main body 6 can be quickly replaced to meet usage requirements.

In order to better understand the above technical solution, the above technical solution will be described in detail below with reference to the accompanying drawings and specific implementation modes.

An embodiment of the present invention discloses a venipuncture training simulation device. As shown in Figures 1-11, it includes a device fixing platform 1. The top of the device fixing platform 1 is provided with a support platform 2 and a water tank main body 4;

The support station board 2 is provided with a joint assembly 3. The joint assembly 3 includes a support fixed block 301 fixedly connected to the support station board 2. The support fixed block 301 is provided with a sleeve seat 302. The interior of the sleeve seat 302 is slidably connected with Telescopic tube 303, the telescopic tube 303 is provided with a plug 304;

The support platform 2 is provided with a bearing frame 5, and the puncture model body 6 is movably connected to the bearing frame 5;

The main body 6 of the puncture model is provided with a vein simulation pipeline 601 and an artery simulation pipeline 602. Both the vein simulation pipeline 601 and the artery simulation pipeline 602 are provided with butt joints 605, and the plug 304 is movable and clamped in the butt joint 605;

The water tank body 4 is provided with a pressure pump 401 and a return pipe 403. The pressure pump 401 is provided with a circulation pipe 402. The circulation pipe 402 and the return pipe 403 are connected to the sleeve seat 302;

The support platform 2 is provided with a locking mechanism corresponding to the butt joint 605 .

Specifically, the locking mechanism includes a positioning seat 7, which is fixedly connected to the support platform 2. A third spring 701 is provided inside the positioning seat 7, and sliders 702 are fixedly connected to both ends of the third spring 701. 702 is slidingly connected in the positioning seat 7, the slider 702 is provided with a wedge block 703, and the slider 702 is provided with an unlocking handle 704;

The butt joint 605 is provided with a positioning slot 6051, and the wedge block 703 is movable and clamped in the positioning slot 6051. The overall structure of the locking mechanism is simple, and it is easy to operate when positioning the butt joint 605. The butt joint 605 moves and directly makes the wedge shape The block 703 is clamped inside the positioning groove 6051, so that the preliminary position fixation of the puncture model body 6 and the butt joint 605 can be achieved, so that the installation and positioning of the puncture model body 6 and the butt joint 605 is quick and easy. The unlocking handle 704 can be used to facilitate the installation and positioning of the puncture model body 6 and the butt joint 605. The slide block 702 and the wedge block 703 are pulled as a whole, thereby quickly releasing the locking state of the puncture model body 6 and the butt joint 605, thereby facilitating the disassembly of the puncture model body 6.

Further, the inner cavity of the sleeve seat 302 is provided with a snap ring 3021, the snap ring 3021 is provided with a short connecting tube 3022, the snap ring 3021 is fixedly connected with a first spring 3023, and the first spring 3023 is fixedly connected with a sealing plug. 3024. The sealing plug 3024 fits the inner cavity opening of the sleeve seat 302. The overall structure of the joint assembly 3 is simple. The sleeve seat 302 and the telescopic tube are controlled by the snap ring 3021, the first spring 3023 and the sealing plug 3024. 303 internal path status.

Furthermore, the telescopic tube 303 is provided with a limiting ring plate 3031, and the telescopic tube 303 is provided with a water inlet 3032. When the telescopic tube 303 is pushing the sealing plug 3024, the water inlet 3032 is used to make the telescopic tube 303 It is connected with the inner cavity of the sleeve seat 302.

Further, the telescopic tube 303 is provided with a baffle 305, and a second spring 306 is fixedly connected between the baffle 305 and the support plate 2. When the butt joint 605 and the plug 304 are in a docking state, the plug 304, the telescopic tube 303 and the The baffle 305 as a whole squeezes the second spring 306, and the reaction force of the second spring 306 will be exerted on the plug 304, so that the plug 304 and the butt joint 605 are tightly engaged and less likely to leak, thus ensuring that the plug 304 and the butt joint 605 are connected The connection between 605 is good.

Specifically, the carrier frame 5 is provided with a clamping strip 501, and the puncture model body 6 is provided with a clamping slot 603. The clamping strip 501 is movable and clamped in the slot 603. The clamping strip 501 and the clamping slot 603 are provided. The support and limitation of the puncture model main body 6 is provided to ensure the force stability of the puncture model main body 6 .

Furthermore, a limit plate 502 is provided on the carrier frame 5. The limit plate 502 is used to install and position the puncture model body 6. The limit plate 502 ensures that the puncture model body 6 can be easily installed and positioned.

Furthermore, the bottom of the bearing frame 5 is provided with a reinforcement component. The reinforcement component includes a guide rail frame 503. The guide rail frame 503 is provided with an adjustable adjustment table 504. The adjustment table 504 is provided with a locking rod 505. The puncture model body 6 is provided with a There is a locking hole 604, and the locking rod 505 is movable and clamped in the locking hole 604. The overall structure of the reinforcement assembly is simple and easy to operate, so as to further reinforce the puncture model body 6 and ensure the installation and positioning of the puncture model body 6. The support is stable and not easy to loosen or loosen, ensuring good stability of the puncture model main body 6 during the venipuncture simulation training process.

Further, the adjusting table 504 is slidingly connected to the guide rail frame 503. The guide rail frame 503 is threadedly connected with a screw rod 506. The screw rod 506 is rotationally connected to the adjusting table 504. The screw rod 506 and the guide rail frame 503 are provided to facilitate the adjustment of the adjusting table 504. The position movement is carried out, thereby realizing the position movement of the locking rod 505, so that the reinforcement and contact fixation of the puncture model body 6 are easy to operate.

Working principle: This venipuncture training simulation device facilitates the installation and positioning of the puncture model body 6 by using the device fixing platform 1, the support platform 2 and the load-bearing frame 5, thereby simulating venipuncture;

When installing and positioning the puncture model body 6, directly align the puncture model body 6 with the carrier 5 for clamping. When clamping, the clamping strip 501 is clamped in the clamping groove 603, and at the same time, the puncture model body 6 is pushed laterally until puncture. The model body 6 and the limiting plate 502 are fitted together to complete the installation and positioning;

When the main body 6 of the puncture model is pushed to move laterally to complete the installation and positioning, the docking joint 605 and the joint assembly 3 are automatically realized;

When the main body 6 of the puncture model 6 moves laterally, it drives the butt joint 605 to move, and finally the butt joint 605 is connected with the plug 304. When it continues to move after being connected, the plug 304 will drive the telescopic tube 303 to move, so that the telescopic tube 303 drives the baffle 305 to move and Squeeze the second spring 306, and at the same time, the telescopic tube 303 will move inside the sleeve seat 302, and push the sealing plug 3024 to move, so that the sealing plug 3024 releases the seal on the internal opening of the sleeve seat 302, and the movement of the sealing plug 3024 drives the third A spring 3023 squeezes, and at this time the sleeve seat 302 and the telescopic tube 303 are in a connected state;

When the butt joint 605 moves laterally, it will also contact and squeeze the surface of the wedge block 703, exerting pressure, causing the wedge block 703 to move laterally and push the slider 702 to move to squeeze the third spring 701. When the piercing model body 6 and After the limiting plate 502 is fitted, the third spring 701 returns and stretches, so that the slider 702 and the wedge block 703 move as a whole, and the wedge block 703 is clamped in the positioning groove 6051 to fix the position of the butt joint 605, and also The position of the puncture model body 6 is fixed;

After the above state is completed, the sleeve seat 302, telescopic tube 303, plug 304, butt joint 605, vein simulation pipeline 601 or artery simulation pipeline 602, circulation pipe 402, return pipe 403, pressure pump 401 and water tank body 4 are combined to form With the closed connected circuit, when the pressure pump 401 is started, the internal blood passages of the vein simulation pipeline 601 and the artery simulation pipeline 602 can be simulated, and red and blue liquids are used to represent the arteries and veins, thereby increasing the authenticity of the simulation demonstration of venipuncture;

After the above-mentioned puncture model main body 6 is positioned and installed, the puncture model main body 6 can also be quickly reinforced through reinforcement components. During reinforcement, the screw rod 506 can be directly rotated. The screw rod 506 drives the adjustment table 504 and the locking rod 505 to move as a whole, so that The locking rod 505 is finally inserted into the interior of the locking hole 604, thereby reinforcing the puncture model body 6 on the bearing frame 5;

When the puncture model body 6 is damaged or aged due to multiple subsequent punctures, it is convenient to quickly disassemble and replace the puncture model body 6. The process of disassembling the puncture model body 6 is the reverse of the above installation process. After disassembling the puncture model After the body 6 is disassembled, the first spring 3023 inside the sleeve seat 302 will automatically push the sealing plug 3024 to seal the connection between the sleeve seat 302 and the telescopic tube 303, thereby realizing that after the puncture model body 6 is disassembled, the water tank body 4 Water will not leak out. After the puncture model body 6 is installed and positioned, the simulated blood pipeline is automatically connected, ensuring that the puncture model body 6 is easily installed and positioned.

In summary, this venipuncture training simulation device uses the device fixed platform 1, the support platform 2 and the load-bearing frame 5 to provide support and limit the puncture model main body 6, ensuring that the force of the puncture model main body 6 is stable. When the main body 6 is installed and positioned, a quick clamping method is adopted, which is simple and convenient to operate, saving time and effort. At the same time, during the clamping process, the vein simulation pipeline 601 and the artery simulation pipeline 602 inside the puncture model body 6 can be automatically synchronized with the joints The components 3 are connected so that the interiors of the joint component 3, the water tank body 4 and the puncture model body 6 are in a connected state, and the pressure pump 401 is used to simulate dynamic blood flow to improve the venipuncture simulation effect. If there are more pinholes in the subsequent puncture model body 6 or When it ages and needs to be replaced, the puncture model body 6 can be quickly disassembled and the passage state of the joint assembly 3 can be blocked simultaneously, so that the puncture model body 6 can be quickly replaced to meet usage requirements.

It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that these entities or operations are mutually exclusive. any such actual relationship or sequence exists between them. Furthermore, the terms "comprises," "comprises," or any other variations thereof are intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus that includes a list of elements includes not only those elements, but also those not expressly listed other elements, or elements inherent to the process, method, article or equipment. Without further limitation, an element defined by the statement "comprises a..." does not exclude the presence of additional identical elements in a process, method, article, or apparatus that includes the stated element.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above. Those skilled in the industry should understand that the present invention is not limited by the above embodiments. The above embodiments and descriptions only illustrate the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will also have other aspects. Various changes and modifications are possible, which fall within the scope of the claimed invention. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims (9)

1. The utility model provides a venipuncture training simulation device, includes device fixed station (1), its characterized in that: the top of the device fixing table (1) is provided with a supporting standing plate (2) and a water tank main body (4);

the support station plate (2) is provided with a joint assembly (3), the joint assembly (3) comprises a support fixing block (301) fixedly connected to the support station plate (2), the support fixing block (301) is provided with a sleeve seat (302), the inside of the sleeve seat (302) is slidably connected with a telescopic pipe (303), and the telescopic pipe (303) is provided with a plug (304);

a bearing frame (5) is arranged on the supporting station plate (2), and a puncture model main body (6) is movably clamped on the bearing frame (5);

a vein simulation pipeline (601) and an artery simulation pipeline (602) are arranged in the puncture model main body (6), the vein simulation pipeline (601) and the artery simulation pipeline (602) are both provided with a butt joint (605), and the plug (304) is movably clamped in the butt joint (605);

a pressure pump (401) and a water return pipe (403) are arranged on the water tank main body (4), a circulating pipe (402) is arranged on the pressure pump (401), and the circulating pipe (402) and the water return pipe (403) are connected with the sleeve seat (302);

the supporting standing plate (2) is provided with a locking mechanism corresponding to the butt joint (605).

2. A venipuncture training simulator as claimed in claim 1 wherein: the locking mechanism comprises a positioning seat (7), the positioning seat (7) is fixedly connected to a supporting station plate (2), a third spring (701) is arranged in the positioning seat (7), two ends of the third spring (701) are fixedly connected with a sliding block (702) and the sliding block (702) is slidably connected in the positioning seat (7), a wedge-shaped block (703) is arranged on the sliding block (702), and an unlocking handle (704) is arranged on the sliding block (702);

the butt joint (605) is provided with a positioning groove (6051), and the wedge-shaped block (703) is movably clamped in the positioning groove (6051).

3. A venipuncture training simulator as claimed in claim 2 wherein: be equipped with snap ring (3021) in the inner chamber of sleeve seat (302), be equipped with intercommunication nozzle stub (3022) on snap ring (3021), fixedly connected with first spring (3023) on snap ring (3021), fixedly connected with sealing plug (3024) on first spring (3023), sealing plug (3024) are laminated with the inner chamber opening position of sleeve seat (302).

4. A venipuncture training simulator as claimed in claim 3, wherein: the telescopic pipe (303) is provided with a limiting ring plate (3031), and the telescopic pipe (303) is provided with a water inlet notch (3032).

5. A venipuncture training simulator as claimed in claim 4, wherein: a baffle (305) is arranged on the telescopic pipe (303), and a second spring (306) is fixedly connected between the baffle (305) and the support standing plate (2).

6. A venipuncture training simulator as claimed in claim 1 wherein: the puncture model is characterized in that a clamping strip (501) is arranged on the bearing frame (5), a clamping groove (603) is formed in the puncture model body (6), and the clamping strip (501) is movably clamped in the clamping groove (603).

7. The venipuncture training simulator as claimed in claim 6, wherein: the bearing frame (5) is provided with a limiting plate (502), and the limiting plate (502) is used for installing and positioning the puncture model main body (6).

8. A venipuncture training simulator as claimed in claim 7, wherein: the bottom of loading frame (5) is equipped with the reinforcement subassembly, the reinforcement subassembly includes guide rail frame (503), be equipped with regulation formula adjustment table (504) on guide rail frame (503), be equipped with locking lever (505) on adjustment table (504), set up locking hole (604) on puncture model main part (6), locking lever (505) activity joint is in locking hole (604).

9. A venipuncture training simulator as claimed in claim 8, wherein: the adjusting table (504) is slidably connected to the guide rail frame (503), a screw rod (506) is connected to the guide rail frame (503) in a threaded mode, and the screw rod (506) is rotatably connected with the adjusting table (504).