Vein arm puncture model for experiment teaching of old people
By introducing a silicone wrinkle layer and a polyurethane layer into the venous arm puncture model, and combining it with a display and sensors, a realistic simulation and parameter display of the elderly's arm was achieved, solving the problem of inconvenience in using existing models and improving teaching effectiveness and safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-03
- Publication Date
- 2026-03-27
AI Technical Summary
Existing intravenous arm puncture models are difficult to simulate the arms of elderly people and cannot display teaching parameters, making them inconvenient to use.
A venous arm puncture model for experimental teaching in the elderly was designed. It adopts a silicone wrinkle layer and a polyurethane layer, combined with a display and operation panel, and has built-in pressure sensor and sensing chip to simulate the real venous puncture process. The puncture depth and force are displayed on the screen.
It improves the simulation effect, enhances the accuracy and safety of teaching, provides a realistic feel, durability and stability, and offers detailed data support, thereby improving the puncture skills of elderly trainees.
Smart Images

Figure CN224052759U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to model teaching field especially, and it is a venous arm puncture model for the experimental teaching of old people. BACKGROUND
[0002] The skin outer surface of the arm venous puncture model is made by copying a real model, has the characteristics of real and lifelike operation feeling, beautiful appearance skin color form, durable, disinfection and cleaning without deformation, easy disassembly and assembly, etc., the model is composed of an upper limb showing the elbow forearm vein, a supporting plate with a hanging infusion bottle support, an infusion bag and other supporting devices, is one of the most commonly used teaching models for clinical basic nursing practice operation, and can be used with a venous puncture arm training model.
[0003] However, the current teaching model is difficult to simulate the arm of an old person, and cannot display the parameters of the teaching, which is extremely inconvenient to use.
[0004] Therefore, the present application provides a venous arm puncture model for the experimental teaching of old people, which has a reasonable structure, a silicone wrinkled skin layer and a polyurethane layer, making the hand feel of the arm model closer to the real human body, improving the simulation effect, and achieving the purposes of solving problems and improving practical value. TECHNICAL SOLUTION
[0005] The utility model discloses a venous arm puncture model for the experimental teaching of old people, which is provided to solve the problems in the prior art.
[0006] To achieve the above object, the utility model adopts the following technical scheme: a venous arm puncture model for the experimental teaching of old people, which comprises an arm model, one end of the arm model is connected with a connecting line, one side of the arm model is provided with a display, the front end of the display is provided with a display screen and an operation panel, the inside of the arm model is provided with an internal meridian, one side of the internal meridian is provided with a pressure sensor, one side of the pressure sensor is provided with a sensing chip, the inside of the arm model is installed with a plastic skeleton, the outside of the arm model is provided with a silicone wrinkled skin layer, the bottom of the silicone wrinkled skin layer is provided with a polyurethane layer A, one side of the polyurethane layer A is connected with a bamboo fiber layer, one end of the bamboo fiber layer is connected with a polyurethane layer B, and the bottom of the polyurethane layer B is connected with an adhesive layer.
[0007] Further description of the above technical scheme is as follows:
[0008] The connecting line is fixedly connected between the arm model and the display, and the display is electrically connected with the arm model.
[0009] Further description of the above technical scheme is as follows:
[0010] The display screen is integrally connected to the outer wall of the front end of the display, and the operation panel is arranged below the display screen.
[0011] As a further description of the above technical solution:
[0012] The internal meridians are fixedly installed in the inside of the arm model, the internal meridians are internally provided with fluorescent powder, the pressure sensors are fixedly connected to the inner wall of the arm model, the number of the pressure sensors is several, and the inductive chips are fixedly connected to the inner wall of the arm model, and the number of the inductive chips is several.
[0013] As a further description of the above technical solution:
[0014] The plastic skeleton is fixedly installed in the inside of the arm model, the arm model and the plastic skeleton are directly provided with rubber filling, the silica gel wrinkled skin layer is fixedly connected to the outer layer of the arm model, and the adhesive layer is fixedly connected with the rubber filling.
[0015] As a further description of the above technical solution:
[0016] The polyurethane layer A is fixedly connected between the silica gel wrinkled skin layer and the bamboo fiber layer, the polyurethane layer B is fixedly connected between the bamboo fiber layer and the adhesive layer, the size of the polyurethane layer A is same as that of the polyurethane layer B, and the bamboo fiber layer is fixedly connected between the polyurethane layer A and the polyurethane layer B.
[0017] The utility model has the advantages of the following beneficial effects:
[0018] In the utility model, the display and the operation panel are arranged, the process of real venipuncture can be simulated, the display screen can display the depth and strength of puncture, and the utility model is convenient for teaching use. The pressure sensor and the inductive chip are arranged, the pressure and position information in the puncture process can be monitored in real time, and the accuracy and safety of teaching are improved.
[0019] The silica gel wrinkled skin layer and the polyurethane layer are arranged, the hand feeling of the arm model is more close to the real human body, and the simulation effect is improved. The bamboo fiber layer is added, the strength and durability of the arm model are improved. In addition, the plastic skeleton and the rubber filling are arranged, the arm model is more stable and is not easy to deform, and the simulation effect is further improved. ACCURACY
[0020] Figure 1 The utility model provides a whole structure schematic view of the venous arm puncture model for the experimental teaching of the old people;
[0021] Figure 2 The utility model provides an internal schematic view of the venous arm puncture model for the experimental teaching of the old people;
[0022] Figure 3 A sectional view of the venous arm puncture model for the experimental teaching of the old people provided by the present application;
[0023] Figure 4 An enlarged view of part A of the venous arm puncture model for the experimental teaching of the old people provided by the present application.
[0024] Legend:
[0025] 1, arm model; 2, display; 3, connecting line; 4, display screen; 5, operation panel; 6, internal meridian; 7, pressure sensor; 8, induction chip; 9, plastic skeleton; 10, silicone wrinkled skin layer; 11, polyurethane layer A; 12, bamboo fiber layer; 13, polyurethane layer B; 14, adhesive layer. DETAILED DESCRIPTION
[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0027] In the description of the present application, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements 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; the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance; in addition, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting" should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or the communication between two elements inside. For those skilled in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.
[0028] Reference Figures 1-4The utility model provides an embodiment: intravenous arm puncture model for old people experiment teaching, including arm model 1, one end of arm model 1 is connected with connecting wire 3, one side of arm model 1 is provided with display 2, the front end of display 2 is provided with display screen 4 and operating panel 5, the inside of arm model 1 is provided with internal meridian 6, one side of internal meridian 6 is provided with pressure sensor 7, one side of pressure sensor 7 is provided with inductive chip 8, the inside of arm model 1 is installed with plastic skeleton 9, the outside of arm model 1 is provided with silica gel wrinkled skin layer 10, the bottom of silica gel wrinkled skin layer 10 is provided with polyurethane layer A 11, one side of polyurethane layer A 11 is connected with bamboo fiber layer 12, one end of bamboo fiber layer 12 is connected with polyurethane layer B 13, the bottom of polyurethane layer B 13 is connected with adhesive layer 14.
[0029] In the utility model, connecting wire 3 is fixedly connected between arm model 1 and display 2, display 2 is electrically connected with arm model 1, can show the pressure change of arm model 1 inside and the position information of puncture point in real time, provides more intuitive and accurate simulation experience for old people experiment teaching.
[0030] Further, the display screen 4 is integrally connected to the outer wall of the front end of the display 2, and the operating panel 5 is arranged below the display screen 4. The seamless connection design of the display screen 4 and the display 2 not only improves the overall appearance, but also enhances the convenience of use.
[0031] Further, the internal meridian 6 is fixedly installed in the inside of the arm model 1, the inside of the internal meridian 6 is provided with fluorescent powder, the pressure sensor 7 is fixedly connected to the inner wall of the arm model 1, the number of the pressure sensor 7 is several, the inductive chip 8 is fixedly connected to the inner wall of the arm model 1, the number of the inductive chip 8 is several, the setting of the internal meridian 6 makes the arm model 1 more realistically simulate the meridian structure of the human body, the use of fluorescent powder makes the meridian visible under certain illumination, which is convenient for old students to observe and learn. The arrangement of multiple pressure sensors 7 can accurately perceive the pressure change of different positions in the arm model 1, providing detailed data support for experiment teaching. At the same time, the setting of multiple inductive chips 8 can monitor the position information of the puncture point in real time, ensuring the accuracy of the experiment operation. These designs collectively improve the simulation degree and practicability of the model, and bring more realistic and effective simulation experience for the experiment teaching of the old people.
[0032] Further, the plastic skeleton 9 is fixedly installed inside the arm model 1, the arm model 1 is directly provided with a rubber filling, the silica gel wrinkled skin layer 10 is fixedly connected to the outer layer of the arm model 1, and the adhesive layer 14 is fixedly connected with the rubber filling. The addition of the plastic skeleton 9 enhances the structural strength of the arm model 1, making it more durable and able to withstand more experimental operations. The setting of the rubber filling provides a soft touch, simulating the muscle texture of a real arm, so that the elderly students can have a more realistic experience when practicing puncture.
[0033] Specifically, the fixed connection of the silica gel wrinkled skin layer 10 not only increases the realism of the arm model 1, but also improves its durability and wear resistance. The fixed connection of the adhesive layer 14 and the rubber filling ensures the stability and integrity of the internal structure of the arm model 1, avoiding loosening or deformation during use.
[0034] Further, the polyurethane layer A11 is fixedly connected between the silica gel wrinkled skin layer 10 and the bamboo fiber layer 12, the polyurethane layer B13 is fixedly connected between the bamboo fiber layer 12 and the adhesive layer 14, the size of the polyurethane layer A11 and the polyurethane layer B13 is the same, and the bamboo fiber layer 12 is fixedly connected between the polyurethane layer A11 and the polyurethane layer B13. The setting of the polyurethane layer A11 and the polyurethane layer B13 enhances the elasticity and softness of the arm model 1, so that the model can better simulate the feedback of a real arm when subjected to puncture and other operations. The addition of the bamboo fiber layer 12 improves the air permeability and comfort of the model, avoiding discomfort caused by long-term use. At the same time, the size consistency of the polyurethane layer A11, the polyurethane layer B13 and the bamboo fiber layer 12 ensures the uniformity and stability of the internal structure of the arm model 1, further improving the simulation and durability of the model.
[0035] Working principle and use process: when in use, first connect the connecting line 3 to the power supply to start the display 2, then input the command through the operation panel 5, and after the display 2 receives the command, the induction chip 8 and the pressure sensor 7 in the arm model 1 start to work. The students can observe the meridian structure inside the arm model 1 through the display screen 4, and simulate the operation of venous puncture. During the puncture process, the pressure sensor 7 will detect the puncture force in real time and feed back the signal to the display 2, and the display 2 will display the size of the puncture force in the form of image or number, helping the students to master the correct puncture force. At the same time, the induction chip 8 can detect whether the puncture position is accurate, and if the position is not accurate, the display 2 will send a prompt signal to remind the students to adjust the puncture position.
[0036] In addition, the fluorescent powder inside the arm model 1 can emit a weak light in a dark environment, helping the students to clearly observe the meridian structure even in insufficient light. The plastic skeleton 9 and the rubber filling provide stable support and soft feel for the arm model 1, so that the students can feel the real human touch during the simulation of puncture process. The silicone wrinkled skin layer 10 simulates the skin characteristics of the elderly, increasing the simulation reality. The setting of the polyurethane layer A 11 and the polyurethane layer B 13 and the bamboo fiber layer 12 enhances the durability and comfort of the arm model 1, so that the model can be used for a long time without being easily damaged.
[0037] Finally, the adhesive layer 14 firmly bonds the layers together, ensuring the overall stability and service life of the arm model 1. Through the venous arm puncture model of the utility model, the students can repeatedly practice venous puncture in the simulation environment, improve the puncture skill and accuracy, and lay a solid foundation for actual operation.
[0038] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.
Claims
1. A venous arm puncture model for experimental teaching of the elderly, comprising an arm model (1), characterized in that: One end of the arm model (1) is connected with a connecting line (3), one side of the arm model (1) is provided with a display (2), the front end of the display (2) is provided with a display screen (4) and an operation panel (5), the inside of the arm model (1) is provided with an internal meridian (6), one side of the internal meridian (6) is provided with a pressure sensor (7), one side of the pressure sensor (7) is provided with an induction chip (8), the inside of the arm model (1) is provided with a plastic skeleton (9), the outside of the arm model (1) is provided with a silicone wrinkled skin layer (10), the bottom of the silicone wrinkled skin layer (10) is provided with a polyurethane layer A (11), one side of the polyurethane layer A (11) is connected with a bamboo fiber layer (12), one end of the bamboo fiber layer (12) is connected with a polyurethane layer B (13), the bottom of the polyurethane layer B (13) is connected with an adhesive layer (14).
2. The venous arm puncture model for experimental teaching of the elderly according to claim 1, characterized in that: The connecting line (3) is fixedly connected between the arm model (1) and the display (2), and the display (2) is electrically connected with the arm model (1).
3. The venipuncture model for geriatric laboratory teaching according to claim 1, characterized in that: The display screen (4) is integrally connected to the outer wall at the front end of the display (2), and the operation panel (5) is arranged below the display screen (4).
4. The venipuncture model for geriatric laboratory teaching according to claim 1, characterized in that: The internal meridian (6) is fixedly installed in the arm model (1), the inside of the internal meridian (6) is provided with fluorescent powder, the pressure sensor (7) is fixedly connected to the inner wall of the arm model (1), and the number of the pressure sensor (7) is several, the induction chip (8) is fixedly connected to the inner wall of the arm model (1), and the number of the induction chip (8) is several.
5. The venipuncture model for geriatric laboratory teaching according to claim 1, characterized in that: The plastic skeleton (9) is fixedly installed in the arm model (1), the arm model (1) and the plastic skeleton (9) are directly provided with rubber filling, the silicone wrinkled skin layer (10) is fixedly connected to the outer layer of the arm model (1), and the adhesive layer (14) is fixedly connected with the rubber filling.
6. The venipuncture model for geriatric laboratory teaching of claim 1, wherein: The polyurethane layer A (11) is fixedly connected between the silicone wrinkled skin layer (10) and the bamboo fiber layer (12), the polyurethane layer B (13) is fixedly connected between the bamboo fiber layer (12) and the adhesive layer (14), the size of the polyurethane layer A (11) and the polyurethane layer B (13) is the same, and the bamboo fiber layer (12) is fixedly connected between the polyurethane layer A (11) and the polyurethane layer B (13).