Intravenous injection practice device

Abstract

The utility model relates to the technical field of intravenous injection practice, and discloses an intravenous injection practice device which comprises a model mechanism, the model mechanism comprises a bone model A, a forearm model, a support A, a bottom plate A, a bone model B, an upper arm model, a support B, a bottom plate B and a suction cup, the bottom plate B is attached to the right end of the bottom plate A, the top end of the bottom plate A is fixedly connected with the support A, and the bottom plate A is fixedly connected with the suction cup. The top end of the support A is fixedly connected with the bone model A, the outer side of the bone model A is fixedly sleeved with the forearm model, the top end of the bottom plate B is fixedly connected with the support B, and the top end of the support B is fixedly connected with the bone model B. Through the arranged model mechanism and replacement mechanism, the suction cup can be adsorbed and fixed to a table top. The bottom plate A and the bottom plate B can be temporarily fixed conveniently, the elbow replacement model can be replaced, disassembly is easy, time and labor are saved, splicing is convenient, the model replacement cost is reduced, waste is reduced, and the exercise effect of the device is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of intravenous injection training, in particular to an intravenous injection training device. Background Art

[0002] Intravenous injection is a medical method that involves injecting liquid substances such as blood, medicine, and nutrient solution directly into the vein. In nursing, intravenous injection practice is often required to increase proficiency and success rate.

[0003] The traditional intravenous injection training device is an arm model with model blood vessels, some of which are placed in stents and some are wrapped in boxes. It is not well fixed on the desktop and is easy to move.

[0004] In addition, in most cases of intravenous injection training, the needle is pierced in the same part of the model, which is the inner side of the elbow. This part is always damaged quickly, and the model is prone to irreversible damage, so the model needs to be replaced for training. Moreover, the damage destroys the feel of the arm model and causes leakage.

[0005] In addition, the needle puncture points on the arm model form marks, which will be selected subconsciously. The condition of the blood vessels can be obtained by observation, and the touch feeling of the model and blood vessels will change after damage, which will affect the practice effect and the overall replacement cost is high. However, other parts of the arm model are not damaged, which is a waste.

[0006] In order to solve the above problems, the present application proposes an intravenous injection training device. Utility Model Content

[0007] The utility model aims to provide an intravenous injection training device to solve the problem that the injection training in the prior art always pierces roughly the same part of the model, is damaged quickly, and has a high overall replacement cost.

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an intravenous injection practice device, comprising a model mechanism, the model mechanism comprising a bone model A, a forearm model, a bracket A, a bottom plate A, a bone model B, an upper arm model, a bracket B, a bottom plate B and a suction cup, the bottom plate A is attached to the right end of the bottom plate B, the bracket A is fixedly connected to the top of the bottom plate A, the bone model A is fixedly connected to the top of the bracket A, the forearm model is sleeved and fixed on the outside of the bone model A, the bracket B is fixedly connected to the top of the bottom plate B, the bone model B is fixedly connected to the top of the bracket B, the upper arm model is sleeved and fixed on the outside of the bone model B, a plurality of suction cups are evenly fixedly installed on the bottom ends of the bottom plate A and the bottom ends of the bottom plate B, and a replacement mechanism for conveniently demonstrating the replacement of commonly used parts is installed on the model mechanism;

[0009] The replacement mechanism includes an elbow replacement model, a clamping block, a fixing component and a blood vessel simulation connection component. The elbow replacement model is installed between the bone model A and the bone model B. The clamping block is installed on the elbow replacement model. The clamping block is in a square block shape. The fixing component is installed on the elbow replacement model. The fixing component is installed between the base plate A and the base plate B.

[0010] Furthermore, the elbow replacement model includes a bone model C, an elbow model and a blood vessel model. A slot is provided on one side of the bone model A and the bone model B that are close to each other. The inner walls of the slot are slidably connected with the card blocks. The bone model C is fixedly connected between the two card blocks. The elbow model is fixedly connected to the outside of the bone model C. The blood vessel model is fixedly connected to the inner side of the upper part of the elbow model. The blood vessel model runs through the surface of the elbow model.

[0011] Furthermore, the fixing assembly includes a limit block and a limit bolt, the limit block is fixedly connected to the right end of the base plate A, a connecting groove is opened at the left end of the base plate B, the inner side wall of the connecting groove is slidably connected to the base plate A, a positioning groove A is opened at the top of the base plate B, a positioning groove B is opened on the inner side of the limit block, the inner side of the positioning groove is slidably connected to the limit bolt, and the outer side of the limit bolt is slidably connected to the inner side wall of the positioning groove B.

[0012] Furthermore, the movement trajectory of the positioning groove B of the limiting block is linear, the movement trajectory of the limiting bolt is linear, and the movement trajectory of the limiting bolt intersects with the movement trajectory of the positioning groove B of the limiting block.

[0013] Furthermore, a conveying pipe is slidably connected to the inner side of the upper arm model, and the conveying pipe passes through the surface of the upper arm model. A mounting groove is opened at the left end of the upper arm model, and the left end of the conveying pipe is arranged inside the mounting groove.

[0014] Furthermore, the blood vessel simulation connection component includes a splicing sleeve, a connecting sleeve, a rotating sleeve and a hose. The splicing sleeve is fixedly connected to the outer side of the right end of the blood vessel model, the connecting sleeve is threadedly connected to the outer side of the splicing sleeve, the right end of the connecting sleeve is rotatably connected to the rotating sleeve via a rotating shaft, the inner side of the rotating sleeve is fixedly connected to the delivery tube, the delivery tube passes through the surface of the rotating sleeve, the right end of the delivery tube is fixedly connected to the hose, and a pumping mechanism is also connected to the right side of the hose.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The utility model provides a model mechanism and a replacement mechanism, and the suction cup can be fixed on the desktop, which is convenient for temporary fixation of the bottom plate A and the bottom plate B. The elbow replacement model can be replaced, and the disassembly is simple, time-saving and labor-saving, and the splicing is convenient. The replacement cost of the model is reduced, waste is reduced, and the practice effect of the device is guaranteed. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall structure of an intravenous injection training device of the utility model;

[0018] Figure 2 It is a schematic diagram of the installation structure of a model mechanism of an intravenous injection training device of the utility model;

[0019] Figure 3 It is a cross-sectional view of the installation structure of a model mechanism of an intravenous injection training device of the utility model;

[0020] Figure 4 It is a cross-sectional view of the installation structure of a replacement mechanism of an intravenous injection training device of the utility model;

[0021] Figure 5 It is a cross-sectional view of the installation structure of an elbow replacement model of an intravenous injection training device of the utility model;

[0022] Figure 6 It is a cross-sectional view of the installation structure of a blood vessel simulation connection component of an intravenous injection training device of the utility model;

[0023] In the figure:

[0024] 1. Model mechanism; 11. Bone model A; 12. Forearm model; 13. Bracket A; 14. Bottom plate A; 15. Bone model B; 16. Upper arm model; 161. Delivery tube; 17. Bracket B; 18. Bottom plate B; 19. Suction cup;

[0025] 2. Replacement mechanism; 21. Elbow replacement model; 211. Bone model C; 212. Elbow model; 213. Blood vessel model; 22. Block; 23. Fixing assembly; 231. Limit block; 232. Limit bolt; 24. Blood vessel simulation connection assembly; 241. Splicing sleeve; 242. Connecting sleeve; 243. Rotating sleeve; 244. Hose. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0027] The standard parts used in this application can all be purchased from the market, and special-shaped parts can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, and bonding in the existing technology, and the components used for circuit connection are all conventional models in the existing technology.

[0028] At the same time, in order to clearly express the connection relationship and working principle between the components and highlight the key points, the drawings in the specification are organized and drawn in the form of simple diagrams. One simple diagram can correspond to a variety of materials and actual external structural shapes.

[0029] See also Figure 1-Figure 6 The utility model provides a technical solution: an intravenous injection practice device, including a model mechanism 1, the model mechanism 1 includes a bone model A11, a forearm model 12, a bracket A13, a bottom plate A14, a bone model B15, a big arm model 16, a bracket B17, a bottom plate B18 and a suction cup 19, the right end of the bottom plate A14 is attached to the bottom plate B18, the top of the bottom plate A14 is fixedly connected to the bracket A13, the top of the bracket A13 is fixedly connected to the bone model A11, and the outer side of the bone model A11 is sleeved and fixed with the forearm model 12 The top of the bottom plate B18 is fixedly connected to the bracket B17, the top of the bracket B17 is fixedly connected to the bone model B15, the outer side of the bone model B15 is sleeved and fixed with a large arm model 16, the bottom of the bottom plate A14 and the bottom of the bottom plate B18 are evenly fixedly installed with a plurality of suction cups 19, and the model mechanism 1 is installed with a replacement mechanism 2 for convenient demonstration of the replacement of common parts, the new elbow replacement model 21 is placed with the concave surface facing upward, so that the right card block 22 is aligned with the card slot of the bone model B15 and inserted, and then the card slot of the bone model A11 is aligned with the card slot on the left side. Block 22, the bone model A11 is sleeved on the outside of the left clamping block 22, the bone model A11, the bone model C211 and the bone model B15 are connected, and the limit block 231 should be aligned with the connecting groove of the bottom plate B18. When the bone model A11 moves to the right, the bottom plate A14 also moves to the right, so that the bottom plate A14 drives the limit block 231 to insert into the connecting groove of the bottom plate B18, and the right end surface of the bottom plate A14 fits with the left end surface of the bottom plate B18 so that the bottom plate A14 and the bottom plate B18 are connected as a whole. When the two need to move Hold the bottom plate A14 and bottom plate B18 with your hands to reduce the contact between your hands and the model. When you need to demonstrate or practice, place the device on a smooth table. Press the bottom plate A14 and bottom plate B18 so that the suction cup 19 will be adsorbed and fixed on the table to temporarily fix the bottom plate A14 and bottom plate B18. The bottom plate A14 supports the bone model A11 through the bracket A13, and the bottom plate B18 supports the bone model B15 through the bracket B17. The forearm model 12 and the bone model B15 simulate the forearm bones and the upper arm bones respectively.

[0030] It should be understood that both the bone model C211 and the elbow model 212 have a concave surface, and the concave surface is located at the medial epicondyle of the humerus.

[0031] The replacement mechanism 2 includes an elbow replacement model 21, a clamping block 22, a fixing component 23 and a blood vessel simulation connection component 24. The elbow replacement model 21 is installed between the bone model A11 and the bone model B15. The clamping block 22 is installed on the elbow replacement model 21. The clamping block 22 is a square block. The fixing component 23 is installed on the elbow replacement model 21, and the fixing component 23 is installed between the base plate A14 and the base plate B18.

[0032] The elbow replacement model 21 includes a bone model C211, an elbow model 212 and a blood vessel model 213. A slot is provided on the side where the bone model A11 and the bone model B15 are close to each other. A block 22 is slidably connected to the inner wall of the slot. The bone model C211 is fixedly connected between the two blocks 22. The elbow model 212 is fixedly connected to the outer side of the bone model C211. The blood vessel model 213 is fixedly connected to the inner side of the upper part of the elbow model 212. The blood vessel model 213 runs through the surface of the elbow model 212. The blocks 22 at both ends of the bone model C211 are convenient for splicing with the bone model A11 and the bone model B15. The elbow model 212 is made of silicone material to simulate the arm skin, and the blood vessel model 213 is made of track material to simulate the blood vessel. The bone model A11 and the bone model B15 are also made of silicone.

[0033] The fixing assembly 23 includes a limit block 231 and a limit bolt 232. The right end of the bottom plate A14 is fixedly connected to the limit block 231. A connecting groove is provided at the left end of the bottom plate B18. The inner wall of the connecting groove is slidably connected to the bottom plate A14. A positioning groove A is provided at the top of the bottom plate B18. A positioning groove B is provided on the inner side of the limit block 231. The inner side of the positioning groove is slidably connected to the limit bolt 232. The outer side of the limit bolt 232 is slidably connected to the inner wall of the positioning groove B. If the vascular model 213 or the elbow model 212 is seriously and irreversibly damaged and the elbow replacement model 21 is replaced, the limit bolt 232 is pulled up to separate the limit bolt 232 from the limit block 231 and the bottom plate B18, and then the bottom plate A14 and the bottom plate B18 are moved away from each other.

[0034] The movement trajectory of the positioning groove B of the limit block 231 is straight, and the movement trajectory of the limit bolt 232 is straight. The movement trajectory of the limit bolt 232 intersects with the movement trajectory of the positioning groove B of the limit block 231. When the bone model A11, the bone model C211 and the bone model B15 are connected, the limit block 231 should be aligned with the connecting groove of the bottom plate B18. When the bone model A11 moves to the right, the bottom plate A14 also moves to the right, so that the bottom plate A14 drives the limit block 231 to insert into the connecting groove of the bottom plate B18, and then the limit bolt 232 passes through the positioning groove A and the positioning groove B at the same time, and the outer side of the limit bolt 232 is in contact with the positioning groove A and the positioning groove B, and the right end face of the bottom plate A14 is in contact with the left end face of the bottom plate B18, so that the bottom plate A14 and the bottom plate B18 are connected as a whole.

[0035] A delivery tube 161 is slidably connected to the inner side of the upper arm model 16, and the delivery tube 161 passes through the surface of the upper arm model 16. A mounting groove is provided at the left end of the upper arm model 16, and the left end of the delivery tube 161 is arranged inside the mounting groove. The blood vessel simulation connection assembly 24 includes a splicing sleeve 241, a connecting sleeve 242, a rotating sleeve 243 and a hose 244. The outer side of the right end of the blood vessel model 213 is fixedly connected to the splicing sleeve 241, and the outer side of the splicing sleeve 241 is threadedly connected to the connecting sleeve 242. The right end of the connecting sleeve 242 is rotatably connected to the rotating sleeve 243 through a rotating shaft. The inner side of the rotating sleeve 243 is fixedly connected to the delivery tube 161, and the delivery tube 161 passes through the surface of the rotating sleeve 243. The right end of the delivery tube 161 is fixedly connected to the hose 244, and the right side of the hose 244 is also connected to a pump mechanism. The bone model C211 is pulled to the left, so that the bone model C211 drives the elbow model 212 to the left, and the elbow model 212 drives The vascular model 213 moves to the left, and the vascular model 213 drives the connecting sleeve 242 to the left through the splicing sleeve 241, so that the connecting sleeve 242 is pulled out of the installation slot of the upper arm model 16, and the connecting sleeve 242 pulls the delivery tube 161 to slide to the left, so that the hose 244 is conveniently connected to the pumping device and conveniently follows the movement of the delivery tube 161, and then the connecting sleeve 242 is rotated to separate from the splicing sleeve 241 through the thread, and then a new elbow replacement model 21 with a block 22 is replaced, and the vascular model 213 on the new elbow replacement model 21 is also equipped with a new splicing sleeve 241, and then the new splicing sleeve 241 is threadedly connected to the splicing sleeve 241 by rotating the connecting sleeve 242, and the concave surface of the new elbow replacement model 21 is upward, so that the block 22 on the right is aligned with the slot of the bone model B15 and inserted, and at the same time, the delivery tube 161 is pulled so that the splicing sleeve 241 is received in the installation slot.

[0036] Working principle:

[0037] When the device is in use, if the vascular model 213 and / or the elbow model 212 are seriously damaged and irreversibly damaged, the elbow replacement model 21 is replaced. The stop bolt 232 is pulled up to separate the stop bolt 232 from the stop block 231 and the bottom plate B18. Then the bottom plate A14 and the bottom plate B18 are moved away from each other. Then the bone model A11 and the bone model B15 are separated from the corresponding block 22. The bone model C211 is pulled to the left, so that the bone model C211 drives the elbow model 212 to the left. 12 drives the vascular model 213 to the left, and the vascular model 213 drives the connecting sleeve 242 to the left through the splicing sleeve 241, so that the connecting sleeve 242 is pulled out from the installation groove of the upper arm model 16, and the connecting sleeve 242 pulls the delivery tube 161 to slide to the left, and the hose 244 is convenient to connect with the pumping device and convenient to follow the movement of the delivery tube 161, and then the connecting sleeve 242 is rotated to separate from the splicing sleeve 241 through the thread, and then the new elbow replacement model 21 with the block 22 is replaced, and the vascular model 2 on the new elbow replacement model 21 is replaced. 13 also has a new splicing sleeve 241, and then the new splicing sleeve 241 is threadedly connected to the splicing sleeve 241 by rotating the connecting sleeve 242, and the concave surface of the new elbow replacement model 21 is upward, so that the right-side block 22 is aligned with the slot of the bone model B15 and inserted, and at the same time, the delivery tube 161 is pulled to make the splicing sleeve 241 enter the installation slot, and then the slot of the bone model A11 is aligned with the left-side block 22, and the bone model A11 is sleeved on the outside of the left-side block 22, and the bone model A11 and the bone model C are completed. 211 and the bone model B15, and the limit block 231 should be aligned with the connecting groove of the bottom plate B18. When the bone model A11 moves to the right, the bottom plate A14 also moves to the right, so that the bottom plate A14 drives the limit block 231 to insert into the connecting groove of the bottom plate B18, and then the limit bolt 232 passes through the positioning groove A and the positioning groove B at the same time, and the outer side of the limit bolt 232 is in contact with the positioning groove A and the positioning groove B, and the right end face of the bottom plate A14 is in contact with the left end face of the bottom plate B18, so that the bottom plate A14 and the bottom plate B18 are connected as a whole.

[0038] When it is necessary to move, hold the bottom plate A14 and the bottom plate B18 with both hands respectively to reduce the contact between the hands and the model. When it is necessary to demonstrate or practice, place the device on a smooth table, press the bottom plate A14 and the bottom plate B18, so that the suction cup 19 will be adsorbed and fixed on the table to temporarily fix the bottom plate A14 and the bottom plate B18, and then demonstrate or practice intravenous injection. The operation is simple, time-saving and labor-saving, and the cost of replacing the model is reduced, which reduces waste.

Claims

1. An intravenous injection training device, characterized in that: The invention comprises a model mechanism (1), wherein the model mechanism (1) comprises a bone model A (11), a forearm model (12), a bracket A (13), a bottom plate A (14), a bone model B (15), an upper arm model (16), a bracket B (17), a bottom plate B (18) and a suction cup (19), wherein the bottom plate B (18) is attached to the right end of the bottom plate A (14), the bracket A (13) is fixedly connected to the top end of the bottom plate A (14), the bracket A (13) is fixedly connected to the bone model A (11) at the top end of the bracket A (13), and the bone model The forearm model (12) is sleeved and fixed on the outer side of the base plate A (11), the bracket B (17) is fixedly connected to the top of the base plate B (18), the bone model B (15) is fixedly connected to the top of the bracket B (17), the upper arm model (16) is sleeved and fixed on the outer side of the bone model B (15), a plurality of suction cups (19) are evenly fixedly installed on the bottom ends of the base plate A (14) and the base plate B (18), and a replacement mechanism (2) is installed on the model mechanism (1) for convenient demonstration of replacement of commonly used parts; The replacement mechanism (2) comprises an elbow replacement model (21), a clamping block (22), a fixing component (23) and a blood vessel simulation connection component (24); the elbow replacement model (21) is installed between the bone model A (11) and the bone model B (15); the clamping block (22) is installed on the elbow replacement model (21); the clamping block (22) is in a square block shape; the fixing component (23) is installed on the elbow replacement model (21); and the fixing component (23) is installed between the base plate A (14) and the base plate B (18).

2. An intravenous injection training device according to claim 1, characterized in that: The elbow replacement model (21) comprises a bone model C (211), an elbow model (212) and a blood vessel model (213); a slot is provided on one side of the bone model A (11) and the bone model B (15) which are close to each other; the inner side walls of the slot are slidably connected with the clamping blocks (22); the bone model C (211) is fixedly connected between the two clamping blocks (22); the elbow model (212) is fixedly connected to the outer side of the bone model C (211); the blood vessel model (213) is fixedly connected to the inner side of the upper part of the elbow model (212); and the blood vessel model (213) passes through the surface of the elbow model (212).

3. The intravenous injection training device according to claim 1, characterized in that: The fixing assembly (23) comprises a limit block (231) and a limit bolt (232); the limit block (231) is fixedly connected to the right end of the bottom plate A (14); a connecting groove is provided at the left end of the bottom plate B (18); the inner side wall of the connecting groove is slidably connected to the bottom plate A (14); a positioning groove A is provided at the top end of the bottom plate B (18); a positioning groove B is provided on the inner side of the limit block (231); the inner side of the positioning groove is slidably connected to the limit bolt (232); and the outer side of the limit bolt (232) is slidably connected to the inner side wall of the positioning groove B.

4. An intravenous injection training device according to claim 3, characterized in that: The movement trajectory of the positioning groove B of the limiting block (231) is linear, the movement trajectory of the limiting bolt (232) is linear, and the movement trajectory of the limiting bolt (232) intersects with the movement trajectory of the positioning groove B of the limiting block (231).

5. The intravenous injection training device according to claim 2, characterized in that: A conveying pipe (161) is slidably connected to the inner side of the upper arm model (16), and the conveying pipe (161) passes through the surface of the upper arm model (16). A mounting groove is provided at the left end of the upper arm model (16), and the left end of the conveying pipe (161) is arranged inside the mounting groove.

6. An intravenous injection training device according to claim 5, characterized in that: The blood vessel simulation connection component (24) comprises a splicing sleeve (241), a connecting sleeve (242), a rotating sleeve (243) and a hose (244); the splicing sleeve (241) is fixedly connected to the outer side of the right end of the blood vessel model (213); the connecting sleeve (242) is threadedly connected to the outer side of the splicing sleeve (241); the right end of the connecting sleeve (242) is rotatably connected to the rotating sleeve (243) via a rotating shaft; the inner side of the rotating sleeve (243) is fixedly connected to the delivery tube (161); the delivery tube (161) passes through the surface of the rotating sleeve (243); the right end of the delivery tube (161) is fixedly connected to the hose (244); and the right side of the hose (244) is also connected to a pumping mechanism.

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