CN211906703U

CN211906703U - Intravenous injection model for nursing major

Info

Publication number: CN211906703U
Application number: CN202021041166.5U
Authority: CN
Inventors: 徐红菊; 李大鹏; 徐红双; 齐秀娟
Original assignee: Shiyan Taihe Hospital
Current assignee: Shiyan Taihe Hospital
Priority date: 2020-06-08
Filing date: 2020-06-08
Publication date: 2020-11-10
Anticipated expiration: 2030-06-08

Abstract

The utility model relates to an and intravenous route teaching field, aim at provides one kind can be clear show pierce less shallow and pierce two kinds of condition deeply, have simple structure, the nursing specialty of practicality advantage is with intravenous route model. The technical scheme is as follows: an intravenous injection model for a nursing specialty comprises an arm model and a puncturing assembly for puncturing the arm model, wherein the arm model comprises a simulated skin, a simulated subcutaneous tissue and a plurality of simulated vein vessels, warm water is injected into the simulated vein vessels, a hard layer is arranged in the simulated subcutaneous tissue, a groove is formed in one side, close to the simulated subcutaneous tissue, of the hard layer, and the lower half part of the simulated vein vessel is embedded in the groove; the upper half part of the simulated vein is provided with a color changing layer, and the simulated skin positioned at the outer side of the color changing layer is provided with micropores; the piercing assembly comprises a needle head, a needle tube is arranged at one end, far away from the needle point, of the needle head, and temperature-sensitive color-changing paint is coated on the outer wall of the needle tube.

Description

Intravenous injection model for nursing major

Technical Field

The utility model relates to an intravenous route teaching field, concretely relates to nursing specialty is with intravenous route model.

Background

Intravenous injection is performed by directly injecting liquid substances such as blood, liquid medicine, nutrient solution and the like into a vein by using medical devices such as an intravenous injector, an infusion set and the like, so that a patient does not feel pain during intravenous injection, a needle needs to be accurately inserted into a vein of the patient, a large amount of simulation exercises are required for a student in a nursing specialty before performing actual operation, a simulation model of an arm and the like is usually adopted in the prior art, the student performs puncture on the simulation model, and the skill of intravenous injection of the student can be mastered. However, the existing simulation model has the following problems in practical application: when the intravenous injection is actually performed on a patient, if one half of the inclined surface of the needle is outside a blood vessel and the other half is inside the blood vessel, the needle can overflow from the subcutaneous part during injection, so that the patient can feel pain; the existing simulation model can not intuitively reflect the penetration depth when a student exercises, so that the student is inconvenient to control the penetration strength and the learning efficiency is influenced.

Disclosure of Invention

An object of the utility model is to provide a nursing specialty is with intravenous route model, this model can be clear show pierce less shallow and pierce two kinds of condition deeply, have simple structure, advantages such as practicality is strong.

In order to realize the purpose of the utility model, the utility model adopts the technical proposal that: an intravenous injection model for a nursing specialty comprises an arm model and a puncturing assembly for puncturing the arm model, wherein the arm model comprises a simulated skin, a simulated subcutaneous tissue and a plurality of simulated vein vessels, warm water is injected into the simulated vein vessels, a hard layer is arranged in the simulated subcutaneous tissue, a groove is formed in one side, close to the simulated subcutaneous tissue, of the hard layer, and the lower half part of the simulated vein vessel is embedded in the groove; the upper half part of the simulated vein is provided with a color changing layer, and the simulated skin positioned at the outer side of the color changing layer is provided with a plurality of micropores;

the piercing assembly comprises a needle head, a needle tube is arranged at one end, far away from the needle point, of the needle head, and temperature-sensitive color-changing paint is coated on the outer wall of the needle tube.

Preferably, the inside on stereoplasm layer is equipped with the cavity, be equipped with the inlet tube in the cavity, the arm model is worn out and is connected with the water storage box to the one end of inlet tube, the inlet tube is equipped with the water pump on being close to the body of water storage box, the other end of inlet tube links to each other with the simulation vein blood vessel that is close to the hand side of arm model, the tip at an outlet pipe one end is all connected to the one end that the simulation vein blood vessel is far away from the hand side, the other end and the water storage box of outlet pipe.

Preferably, a heating net is arranged outside the pipe body of the water inlet pipe in the cavity, and a temperature sensor used for detecting the heating temperature is arranged in the cavity.

Preferably, a three-way pipe is arranged on the pipe body of the water inlet pipe close to the arm model, a third end of the three-way pipe is connected with a pressure release valve, and an output end of the pressure release valve is communicated with the water outlet pipe.

Preferably, the color-changing layer comprises a non-woven fabric and cobalt chloride coated on the non-woven fabric.

Preferably, the simulated skin, the simulated subcutaneous tissue and the simulated venous blood vessel are all made of silicone rubber, and the hard layer is made of PVC.

The beneficial effects of the utility model are concentrated and are embodied in: the utility model can clearly show two conditions of shallow penetration and deep penetration, and has simple structure and strong practicability; specifically, a nursing student utilizes a needle head to penetrate into a simulated vein blood vessel in a hand arm model in an inclined mode, warm water in the blood vessel flows into a needle tube along the needle head if the needle head penetrates into the blood vessel, and the temperature-sensitive color-changing coating is coated on the outer wall of the needle tube, so that color change is generated under the action of the warm water, and whether blood returns or not is conveniently observed; after the puncture, if the color change appears on the outer wall of the needle tube and the color change layer does not appear, the slope of the needle point is completely punctured into the blood vessel, if the color change appears on the needle tube and the color change layer is observed to appear, the slope of the needle point is partially punctured into the blood vessel, and at the moment, a student is informed that the needle needs to be inserted a little; because the side of the simulated vein vessel far away from the simulated skin is the hard layer, after the needle point is abutted against the hard layer, the needle can not be inserted at the moment, and the condition that the needle is penetrated too deeply is indicated, so that the next puncture exercise can be corrected conveniently.

Drawings

FIG. 1 is a schematic view of the overall structure of the arm model of the present invention;

FIG. 2 is a schematic view of the internal structure of the arm model of the present invention;

FIG. 3 is an enlarged view of portion A of the structure shown in FIG. 2;

fig. 4 is a schematic structural view of the piercing assembly of the present invention.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.

1-4, an intravenous injection model for a nursing specialty comprises an arm model and a puncturing assembly for puncturing the arm model, wherein the puncturing assembly comprises a needle 7, and one end of the needle 7, which is far away from a needle point, is provided with a needle tube 8; the arm model comprises a simulated skin 0, a simulated subcutaneous tissue 1 and a plurality of simulated vein vessels 2, wherein the simulated skin 0, the simulated subcutaneous tissue 1 and the simulated vein vessels 2 are all made of silicon rubber, and the simulated skin 0 is yellow, so that the reality sense is stronger, and the practice is more vivid; warm water is injected into the simulated venous blood vessel 2, the warm water is formed by heating purified water, no colored pigment is needed to be added, the cleaning is convenient, the warm water is used for simulating blood, meanwhile, an arm model has a certain temperature, the reality sense is further increased, a hard layer 3 is arranged in the simulated subcutaneous tissue 1, a groove 4 is formed in one side, close to the simulated subcutaneous tissue 1, of the hard layer 3, the lower half portion of the simulated venous blood vessel 2 is embedded in the groove 4, in the embodiment, the hard layer 3 is made of PVC, and the needle point cannot penetrate into the hard layer 3, so that when the puncture is carried out, if the needle point cannot enter the needle any more, the needle point is shown to be in contact with the surface of the groove 4, namely the needle point penetrates through the simulated venous blood vessel 2, and the later-stage correction of the puncture; the upper half part of the simulated vein vessel 2 is provided with a color changing layer 5, the simulated skin 0 positioned at the outer side of the color changing layer 5 is provided with a plurality of micropores 6, the color changing layer 5 comprises non-woven fabric and cobalt chloride coated on the non-woven fabric, the cobalt chloride is blue when no water exists, and the directions of the color changing layer and the simulated vein vessel 2 are overlapped, so that the position of the simulated vein vessel 2 can be observed conveniently; during puncturing, if the inclined plane of the needle point is not completely inserted into the simulated vein vessel 2, water in the simulated vein vessel 2 flows out to enter the color change layer 5, cobalt chloride is red after meeting water, and blue under the simulated skin 0 can be observed to be changed into red, so that a student can clearly know the puncturing depth conveniently; after the needle head 7 is pulled out, the simulated vein vessel 2 is filled with warm water, so that the color change is at a certain temperature, the moisture in the color change layer 5 can be quickly diffused from the micropores 6, and the color change layer is reduced from red to blue, thereby facilitating the later-period practice.

Furthermore, in order to determine whether the needle 7 is inserted into the simulated vein 2 by determining whether blood returns, the outer wall of the needle tube 8 of the puncturing assembly is coated with the temperature sensitive color change paint 9, the color change paint 9 is blended by a plurality of basic colors, is light or colorless in a low temperature state, and is red after hot water is introduced, so that whether the needle tube 8 is red or not can be determined, and whether blood returns can be determined.

Further, the inside of stereoplasm layer 3 is equipped with cavity 10, be equipped with inlet tube 11 in the cavity 10, the arm model is worn out and is connected with water storage box 12 to the one end of inlet tube 11, inlet tube 11 is equipped with water pump 13 on being close to the body of water storage box 12, the other end of inlet tube 11 links to each other with the simulation vein blood vessel 2 that is close to the hand side of arm model, the tip at the 14 one end of an outlet pipe is all connected to the one end that simulation vein blood vessel 2 is far away from the hand side, the other end and the water storage box 12 of outlet pipe 14 are linked together, and water pump 13 draws water and realizes the blood circulation in the simulation.

Further, in order to heat the water input into the simulated vein 2, it is better to install a heating net 15 outside the pipe body of the water inlet pipe 11 inside the cavity 10, and install a temperature sensor for detecting the heating temperature in the cavity 10, where the temperature sensor detects the heating temperature in real time, so as to keep the temperature at 35-38 ℃.

Furthermore, in order to realize the expansion of the bound arm simulated vein 2, a rubber tube can be directly tied on one side of the arm model far away from the hand, the simulated vein 2 expands under the action of water pressure, and meanwhile, in order to avoid overlarge expansion, a three-way pipe 16 is arranged on the pipe body of the water inlet pipe 11 close to the arm model, a third end of the three-way pipe 16 is connected with a pressure release valve 17, the output end of the pressure release valve 17 is communicated with a water outlet pipe 14, the pressure release valve 17 is communicated after certain water pressure is reached, and the unrecoverable deformation caused by the excessive expansion of the vein can be ensured.

It should be noted that, for simplicity of description, the above-mentioned embodiments of the method are described as a series of acts or combinations, but those skilled in the art should understand that the present application is not limited by the order of acts described, as some steps may be performed in other orders or simultaneously according to the present application. Further, those skilled in the art should also appreciate that the embodiments described in the specification are preferred embodiments and that the acts and elements referred to are not necessarily required in this application.

Claims

1. An intravenous injection model for a care professional comprises an arm model and a puncturing assembly for puncturing the arm model; the method is characterized in that: the arm model comprises a simulated skin (0), a simulated subcutaneous tissue (1) and a plurality of simulated vein vessels (2), warm water is injected into the simulated vein vessels (2), a hard layer (3) is arranged in the simulated subcutaneous tissue (1), a groove (4) is formed in one side, close to the simulated subcutaneous tissue (1), of the hard layer (3), and the lower half part of the simulated vein vessel (2) is embedded in the groove (4); the upper half part of the simulated vein vessel (2) is provided with a color changing layer (5), and the simulated skin (0) positioned at the outer side of the color changing layer (5) is provided with a plurality of micropores (6);

the piercing assembly comprises a needle (7), one end, far away from the needle point, of the needle (7) is provided with a needle tube (8), and the outer wall of the needle tube (8) is coated with temperature-sensitive color-change paint (9).

2. The intravenous injection model for care professionals of claim 1, wherein: the inside of stereoplasm layer (3) is equipped with cavity (10), be equipped with inlet tube (11) in cavity (10), the arm model is worn out and is connected with water storage box (12) to the one end of inlet tube (11), be equipped with water pump (13) on the body that inlet tube (11) are close to water storage box (12), the other end of inlet tube (11) links to each other with simulation vein (2) that are close to the hand side of arm model, the tip in a outlet pipe (14) one end is all connected to the one end that the hand side was kept away from in simulation vein (2), the other end and water storage box (12) of outlet pipe (14) are linked together.

3. The intravenous injection model for care professionals of claim 2, wherein: the heating net (15) is arranged outside the pipe body of the water inlet pipe (11) in the cavity (10), and a temperature sensor used for detecting the heating temperature is arranged in the cavity (10).

4. The intravenous injection model for care professionals of claim 2, wherein: the three-way pipe (16) is arranged on the pipe body, close to the arm model, of the water inlet pipe (11), the third end of the three-way pipe (16) is connected with a pressure release valve (17), and the output end of the pressure release valve (17) is communicated with the water outlet pipe (14).

5. The intravenous injection model for care professionals of claim 1, wherein: the color change layer (5) comprises non-woven fabric and cobalt chloride coated on the non-woven fabric.

6. The intravenous injection model for care professionals of claim 1, wherein: the simulated skin (0), the simulated subcutaneous tissue (1) and the simulated vein (2) are all made of silicon rubber, and the hard layer (3) is made of PVC.