Portable blood sampling practice teaching aid
By designing a detachable simulated blood vessel and a foldable arm model, the problems of inconvenient replacement of simulated blood vessels and inconvenience in carrying the arm model were solved, thus improving the convenience and flexibility of teaching.
Patent Information
- Application Number
- CN202520141622.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-21
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-01-21
AI Technical Summary
The simulated blood vessels in the existing teaching aids are not easy to replace, and the arm model is too long to carry, which affects the portability of teaching.
A convenient blood collection training tool was designed, including an arm model, a fluid supply component, and a retrieval component. The simulated blood vessel can be quickly replaced through a detachable simulated blood vessel and a fixing component. The arm model can be folded and shortened in length through a hinged base structure.
It enables convenient replacement of simulated blood vessels and portability of the arm model, improving the flexibility and convenience of teaching.
Smart Images

Figure CN223728365U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to medical teaching aid technical field, specifically, relate to a portable blood sampling practice teaching aid. BACKGROUND
[0002] Venous blood sampling is one of the most commonly used technical operations in clinic, the technique has the invasive operation, and the patient will produce the painful feeling when operating, and the unskilled technique application will lead to blood sampling failure, in order to let the medical staff better master the venous blood sampling technique operation, will use the corresponding practice teaching aid to simulate and practice blood sampling, improve the blood sampling skill of medical staff or relevant practitioners.
[0003] The simulation blood vessel in the existing teaching aid is embedded in the inside of the arm model, the simulation blood vessel is inconvenient to replace, and moreover the arm model is long and inconvenient for teachers to carry during teaching. Therefore, the utility model provides a new solution. UTILITY MODEL CONTENT
[0004] The utility model aims at solving the problem that the simulation blood vessel in the existing teaching aid is embedded in the inside of the arm model, the simulation blood vessel is inconvenient to replace, and moreover the arm model is long and inconvenient for teachers to carry during teaching, and provides a portable blood sampling practice teaching aid.
[0005] In order to realize the above-mentioned invention purpose, the utility model provides the following technical scheme:
[0006] The portable blood sampling practice teaching aid improves the above-mentioned problems.
[0007] The utility model is specifically as follows:
[0008] Including arm model, liquid supply component and recovery component, the top of arm model is equipped with the simulation blood vessel that can detachably connect with liquid supply component and recovery component, the top of arm model is rotatably installed with a plurality of fixed components for fixing simulation blood vessel, the arm model includes first simulation part and second simulation part, the bottom of first simulation part and second simulation part is fixedly connected with first base and second base respectively, first base and second base are rotatably connected through hinge, the top of first simulation part and second simulation part is equipped with recess that is mutually matched with simulation blood vessel.
[0009] As the preferred technical scheme of the utility model, the end of first simulation part away from second simulation part is equipped with receiving groove, the cover plate for plugging receiving groove is rotatably installed on first simulation part, the front surface of cover plate is fixedly installed with handle, the top of first simulation part and second simulation part is equipped with insertion slot that is mutually matched with fixed component.
[0010] As a preferred technical scheme of the utility model, the liquid supply assembly comprises a first storage bag, a first connecting pipe is installed through the bottom of the first storage bag, a liquid adding pipe is installed through the top of the first storage bag, a sealing cover is threadedly connected to the top end of the liquid adding pipe, a blood powder storage mechanism is installed on the front of the first storage bag, and a hanging rope is fixedly connected to the first storage bag.
[0011] As a preferred technical scheme of the utility model, the liquid supply assembly comprises a first storage bag, a first connecting pipe is installed through the bottom of the first storage bag, a liquid adding pipe is installed through the top of the first storage bag, a sealing cover is threadedly connected to the top end of the liquid adding pipe, a blood powder storage mechanism is installed on the front of the first storage bag, and a hanging rope is fixedly connected to the first storage bag.
[0012] As a preferred technical scheme of the utility model, the first connecting pipe and the second connecting pipe are both flexible pipes, flow regulators are installed on the first connecting pipe and the second connecting pipe, and connecting heads that cooperate with the first connecting pipe and the second connecting pipe are installed at both ends of the simulated blood vessel.
[0013] As a preferred technical scheme of the utility model, the blood powder storage mechanism comprises a connecting ring fixedly connected to the front of the first storage bag, a storage box is threadedly connected to the inside of the connecting ring, a through hole that cooperates with the storage box is formed in the front of the first storage bag, a cavity for accommodating blood powder is formed in the inside of the storage box, and a water-soluble film for closing the cavity is installed at one end of the storage box.
[0014] As a preferred technical scheme of the utility model, the fixing assembly comprises a connecting block, an extrusion piece with an arc-shaped cross section is fixedly connected to the bottom of the connecting block, plug rods fixedly connected to the bottom of the connecting block are arranged on the two sides of the extrusion piece, and a plurality of anti-skid rings made of rubber are connected to the outside of the plug rods.
[0015] Compared with the prior art, the utility model has the advantages of:
[0016] In the scheme of the utility model,
[0017] 1. The portable blood sampling practice teaching aid, through the setting up fixed assembly and recess, can put the simulated blood vessel into the recess, then install the fixed assembly on the arm model to fix the simulated blood vessel, and can take down the fixed assembly to take down the simulated blood vessel when needing to replace the simulated blood vessel, so that the simulated blood vessel can be conveniently replaced, and the use is more flexible and convenient.
[0018] 2. The portable blood sampling practice teaching aid, through the setting up first base, second base and hinge, can rotate and fold the first base and the second base through the hinge to fold the first simulation part and the second simulation part, shorten the overall length of the arm model, and make the arm model more convenient to carry during teaching. Attached Figure Description
[0019] Figure 1 A schematic diagram of the overall structure of the convenient blood collection practice teaching aid provided by this utility model;
[0020] Figure 2 A schematic diagram of the first base structure of the convenient blood collection practice teaching aid provided by this utility model;
[0021] Figure 3 A schematic diagram of the simulated blood vessel structure of the convenient blood collection practice teaching aid provided by this utility model;
[0022] Figure 4 A schematic diagram of the first simulation part of the convenient blood collection practice teaching aid provided by this utility model;
[0023] Figure 5 A schematic diagram of the storage box structure of the convenient blood collection practice teaching aid provided by this utility model;
[0024] Figure 6 A schematic diagram of the insert structure of the convenient blood collection practice teaching aid provided by this utility model.
[0025] The image shows:
[0026] 1. Arm model; 2. Liquid supply assembly; 3. Recovery assembly; 4. Simulated blood vessel; 5. Fixing assembly; 6. Connector; 101. First simulation part; 102. Second simulation part; 103. Groove; 104. First base; 105. Second base; 106. Hinge; 107. Cover plate; 108. Handle; 109. Storage slot; 110. Slot; 201. First storage bag; 202. Blood powder storage mechanism; 203. First connecting pipe; 204. Flow regulator; 205. Hanging rope; 206. Liquid filling pipe; 207. Sealing cap; 2201. Connecting ring; 2202. Storage box; 2203. Water-soluble membrane; 301. Second storage bag; 302. Second connecting pipe; 303. Drain pipe; 304. Valve; 501. Connecting block; 502. Insert rod; 503. Squeezing plate; 504. Anti-slip ring. Detailed Implementation
[0027] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model.
[0028] Therefore, the following detailed description of the embodiments of the present application is not intended to limit the scope of the claimed application, but merely to represent the particular embodiments of the application. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts are within the scope of the present application.
[0029] It should be noted that the embodiments and features and technical solutions in the embodiments of the present application can be combined with each other without conflict.
[0030] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.
[0031] In the description of the present application, it should be noted that the orientation or position relationship indicated by the terms "upper", "lower" and the like is based on the orientation or position relationship shown in the drawings, or the orientation or position relationship in which the product is usually placed during use, or the orientation or position relationship commonly understood by those skilled in the art. Such terms are only used to facilitate the description of the present application and simplify the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" and the like are only used to distinguish the description and cannot be understood as indicating or implying relative importance.
[0032] As Figures 1-6As shown, the present embodiment proposes a portable blood sampling practice teaching aid, which comprises an arm model 1, a liquid supply assembly 2 and a recovery assembly 3, the top of the arm model 1 is provided with a simulated blood vessel 4 which is detachably connected with the liquid supply assembly 2 and the recovery assembly 3, a plurality of fixing assemblies 5 for fixing the simulated blood vessel 4 are movably installed on the top of the arm model 1, by arranging the fixing assemblies 5 and the grooves 103, the simulated blood vessel 4 can be placed in the inside of the grooves 103 during use, and then the fixing assemblies 5 are installed on the arm model 1 to fix the simulated blood vessel 4, when the simulated blood vessel 4 needs to be replaced, the fixing assemblies 5 are removed to take down the simulated blood vessel 4, which can conveniently replace the simulated blood vessel 4 and is more flexible and convenient to use.
[0033] As shown in Figure 1 , Figure 2 and Figure 4 , as a preferred embodiment, on the basis of the above-mentioned mode, further, one end of the first simulation part 101 away from the second simulation part 102 is provided with a storage groove 109, a cover plate 107 for plugging the storage groove 109 is movably installed on the first simulation part 101, a handle 108 is fixedly installed on the front surface of the cover plate 107, and the top of the first simulation part 101 and the second simulation part 102 is provided with an insertion slot 110 which cooperates with the fixing assembly 5. It should be noted that by arranging the storage groove 109, the liquid supply assembly 2 and the recovery assembly 3 can be conveniently folded and placed in the inside, by arranging the cover plate 107, the storage groove 109 can be conveniently plugged, by arranging the insertion slot 110, the insertion rod 502 can be conveniently used, and by arranging the handle 108, the cover plate 107 can be conveniently removed.
[0034] As shown in Figure 1 and Figure 3As shown, in a preferred embodiment, based on the above method, the liquid supply component 2 further includes a first storage bag 201. A first connecting pipe 203 is installed through the bottom of the first storage bag 201, and a liquid filling pipe 206 is installed through the top of the first storage bag 201. A sealing cap 207 is threaded to the top of the liquid filling pipe 206. A blood powder storage mechanism 202 is installed on the front of the first storage bag 201, and a hanging rope 205 is fixedly connected to the first storage bag 201. It should be noted that during use, opening the sealing cap 207 allows water to be filled into the first storage bag 201 through the liquid filling pipe 206. Then, the blood powder in the blood powder storage mechanism 202 is mixed with the water inside the first storage bag 201, making the water appear like blood. The first connecting pipe 203 facilitates the supply of liquid to the simulated blood vessel 4.
[0035] like Figure 1 and Figure 3 As shown, in a preferred embodiment, based on the above method, the recovery component 3 further includes a second storage bag 301. A second connecting pipe 302 is installed through the top of the second storage bag 301, and a drain pipe 303 is installed through the bottom of the second storage bag 301. A valve 304 is installed on the drain pipe 303. It should be noted that during use, the liquid flowing out of the simulated blood vessel 4 can be recovered through the second connecting pipe 302 and the second storage bag 301. The drain pipe 303 and the valve 304 facilitate the discharge of liquid from the second storage bag 301.
[0036] like Figure 1 and Figure 3 As shown, in a preferred embodiment, based on the above method, both the first connecting pipe 203 and the second connecting pipe 302 are flexible tubes, and a flow regulator 204 is installed on both the first connecting pipe 203 and the second connecting pipe 302. Connectors 6 that cooperate with the first connecting pipe 203 and the second connecting pipe 302 are installed at both ends of the simulated blood vessel 4. It should be noted that the flow regulator 204 allows for adjustment of the flow rate of the liquid in the first connecting pipe 203 and the second connecting pipe 302, and the connectors 6 facilitate connection to the first connecting pipe 203 and the second connecting pipe 302.
[0037] like Figure 1 , Figure 3 and Figure 5As shown, as a preferred embodiment, on the basis of the above-mentioned manner, further, the blood powder storage mechanism 202 comprises a connecting ring 2201 fixedly connected to the front of the first storage bag 201, a storage box 2202 is screw-connected to the inside of the connecting ring 2201, a through hole matched with the storage box 2202 is formed on the front of the first storage bag 201, a cavity for accommodating blood powder is formed in the inside of the storage box 2202, and a water-soluble film 2203 for closing the cavity is mounted at one end of the storage box 2202. It should be noted that after the first storage bag 201 is filled with water, the water-soluble film 2203 soaked in the water will gradually melt, at which time the blood powder in the storage box 2202 will enter the first storage bag 201.
[0038] As shown in Figure 1 and Figure 6 As shown, as a preferred embodiment, on the basis of the above-mentioned manner, further, the fixed assembly 5 comprises a connecting block 501, an extrusion piece 503 with an arc-shaped cross section is fixedly connected to the bottom of the connecting block 501, a plug rod 502 fixedly connected to the bottom of the connecting block 501 is arranged on both sides of the extrusion piece 503, and a plurality of anti-skid rings 504 made of rubber are connected to the outside of the plug rod 502. It should be noted that in use, the plug rod 502 is inserted into the inside of the insertion slot 110, the extrusion piece 503 is used to extrude and fix the simulated blood vessel 4 from the top of the simulated blood vessel 4, and the anti-skid rings 504 are arranged to prevent the plug rod 502 from sliding out of the inside of the insertion slot 110.
[0039] Specifically, the working principle of the convenient blood sampling practice teaching aid is as follows: in use, the first simulation part 101 and the second simulation part 102 after being folded are unfolded, and then placed on the desktop through the first base 104 and the second base 105, then the simulated blood vessel 4 is placed into the groove 103, the simulated blood vessel 4 is fixed through the plurality of fixed assemblies 5, then the first connecting pipe 203 and the second connecting pipe 302 are connected to both ends of the simulated blood vessel 4 through the connecting head 6, the sealing cover 207 is opened, water is filled into the inside of the first storage bag 201 through the liquid filling pipe 206, after the first storage bag 201 is filled with water, the water-soluble film 2203 soaked in the water will gradually melt, at which time the blood powder in the storage box 2202 will enter the first storage bag 201, the sealing cover 207 is screwed on to shake the blood powder and water evenly, after shaking, the first storage bag 201 is hung at a high place through the hanging rope 205, the liquid in the inside of the first storage bag 201 flows into the inside of the second storage bag 301 through the first connecting pipe 203, the simulated blood vessel 4 and the second connecting pipe 302, and the student can perform blood sampling practice on the simulated blood vessel 4 during use.
[0040] The above examples are only used to illustrate the technical solutions described in the utility model and do not limit the utility model. Although the utility model has been described in detail with reference to the above-described various embodiments, the utility model is not limited to the above-described specific embodiments, and therefore any modification or equivalent replacement of the utility model; and all technical solutions and improvements that do not deviate from the spirit and scope of the invention are all included in the scope of the claims of the utility model.
Claims
1. A portable blood sampling practice teaching aid, comprising an arm model (1), a liquid supply assembly (2) and a recovery assembly (3), characterized in that, The top of the arm model (1) is provided with a simulated blood vessel (4) detachably connected with the liquid supply assembly (2) and the recovery assembly (3), a plurality of fixing assemblies (5) for fixing the simulated blood vessel (4) are movably installed on the top of the arm model (1), the arm model (1) comprises a first simulation part (101) and a second simulation part (102), the bottom of the first simulation part (101) and the second simulation part (102) is fixedly connected with a first base (104) and a second base (105) respectively, the first base (104) and the second base (105) are rotatably connected through a hinge (106), and the top of the first simulation part (101) and the second simulation part (102) is provided with a recess (103) matched with the simulated blood vessel (4).
2. The portable blood collection practice teaching tool according to claim 1, wherein, The end of the first simulation part (101) away from the second simulation part (102) is provided with a receiving groove (109), a cover plate (107) for plugging the receiving groove (109) is movably installed on the first simulation part (101), the front surface of the cover plate (107) is fixedly installed with a handle (108), and the top of the first simulation part (101) and the second simulation part (102) is provided with an insertion slot (110) matched with the fixing assembly (5).
3. The portable blood collection practice teaching tool of claim 1, wherein, The liquid supply assembly (2) comprises a first storage bag (201), a first connecting pipe (203) is installed through the bottom of the first storage bag (201), a liquid adding pipe (206) is installed through the top of the first storage bag (201), a sealing cover (207) is threadedly connected to the top end of the liquid adding pipe (206), a blood powder storage mechanism (202) is installed on the front surface of the first storage bag (201), and a hanging rope (205) is fixedly connected to the first storage bag (201).
4. The portable blood collection practice teaching tool of claim 3, wherein, The recovery assembly (3) comprises a second storage bag (301), a second connecting pipe (302) is installed through the top of the second storage bag (301), and a drainage pipe (303) is installed through the bottom of the second storage bag (301), wherein a valve (304) is installed on the drainage pipe (303).
5. The portable blood collection practice trainer of claim 4, wherein: The first connecting pipe (203) and the second connecting pipe (302) are both flexible pipes, and a flow regulator (204) is installed on the first connecting pipe (203) and the second connecting pipe (302), and a connecting head (6) matched with the first connecting pipe (203) and the second connecting pipe (302) is installed at both ends of the simulated blood vessel (4).
6. The portable blood collection practice teaching tool of claim 3, wherein, The blood powder storage mechanism (202) comprises a connecting ring (2201) fixedly connected to the front of the first storage bag (201), a storage box (2202) is screw-connected to the inside of the connecting ring (2201), the front of the first storage bag (201) is provided with a through hole matched with the storage box (2202), the inside of the storage box (2202) is provided with a cavity for accommodating blood powder, and one end of the storage box (2202) is provided with a water-soluble film (2203) for closing the cavity.
7. The portable blood collection practice teaching tool of claim 1, wherein, The fixing assembly (5) comprises a connecting block (501), the bottom of the connecting block (501) is fixedly connected with an extrusion piece (503) with an arc-shaped cross section, both sides of the extrusion piece (503) are provided with plug rods (502) fixedly connected to the bottom of the connecting block (501), and the outer sides of the plug rods (502) are connected with a plurality of anti-skid rings (504) made of rubber.