CN221008452U

CN221008452U - Injection training model

Info

Publication number: CN221008452U
Application number: CN202322654600.7U
Authority: CN
Inventors: 黄昆; 苏雯
Original assignee: Kangda College Of Nanjing Medical University
Current assignee: Kangda College Of Nanjing Medical University
Priority date: 2023-09-28
Filing date: 2023-09-28
Publication date: 2024-05-24
Anticipated expiration: 2033-09-28

Abstract

The utility model provides an injection training model, and belongs to the technical field of clinical medical teaching. The injection training model comprises a model body and a simulation mechanism. The model body comprises a muscle layer and simulated skin, the outer wall of the muscle layer is connected with the inner wall of the simulated skin, the simulation mechanism comprises an expanding and contracting part and a guiding part, the expanding and contracting part is arranged inside the muscle layer, and the guiding parts are arranged on the surfaces of the muscle layer and the simulated skin.

Description

Injection training model

Technical Field

The application relates to the technical field of clinical medical teaching, in particular to an injection training model.

Background

Injection is the basic work of medical augmentation profession and practitioners, requires technical skill and accurate action, but due to the limitations of living people, students can only know from the hanging chart and theory without the opportunity for practical exercise, especially injection of femoral vein and jugular vein, and has a certain risk. Combining learned knowledge with practice, injection with a simulation model is the best approach. Particularly femoral vein injection, can avoid a plurality of inconveniences for students. Therefore, the model becomes the best teaching mould.

At present, current injection training model, for example, current publication number CN 218729543U's an injection training model arm (China, authorized bulletin day is 20230324), in the above-mentioned scheme, including the model arm body, the model arm body includes skin layer and muscle layer, the inside of model arm body is provided with the subassembly that absorbs water, the bottom of model arm body is provided with anti-skidding base, adopt the silica gel material to make through the muscle layer that sets up in injection training model arm, and the surface evenly has seted up infiltration through-hole, thereby can with the inside of muscle layer of liquid infiltration of injection, the inside liquid absorption of model arm body can be with the sponge post that absorbs water of injection to can prevent the model arm body after the injection is accomplished, and the circumstances of residual liquid can appear in its inside, and the subassembly that absorbs water that sets up can conveniently take out and install from the model arm body inside, thereby conveniently change the sponge post that absorbs water, prevent that the sponge post that absorbs water from taking place because of the saturation that absorbs water can's the circumstances that absorbs water. However, the above scheme still has certain defects, and the inventor has found that. When an operator exercises the basic work of injection by using the model, the model cannot simulate the reaction of real human tissues to an injection needle, and the operator cannot easily confirm whether the needle inserting angle and depth are correct or not.

Disclosure of utility model

In order to overcome the defects, the application provides an injection training model for solving the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model for solving the technical problems is as follows:

an injection training model comprises a model body and a simulation mechanism.

The model body comprises a muscle layer and simulated skin, the outer wall of the muscle layer is connected with the inner wall of the simulated skin in a connective mode, the simulation mechanism comprises a swelling and shrinking portion and a guiding portion, the swelling and shrinking portion is installed inside the muscle layer, and the guiding portion is arranged on the surface of the muscle layer and the surface of the simulated skin.

Further, the expansion and contraction part comprises an air bag, an air charging pipe and a pressurizing ball, the outer wall of the air bag is coupled with the inner wall of the muscle layer, one end of the air charging pipe is provided with the air charging pipe, the air charging end of the pressurizing ball is fixedly connected with the other end of the air charging pipe, and the inside of the air bag is mutually communicated with the inside of the pressurizing ball through the air charging pipe.

Further, the guiding part comprises a plurality of pin holes I, a plurality of pin holes II and a plurality of silica gel films, wherein the plurality of silica gel films are respectively arranged in the pin holes I and the pin holes II, and the muscle layer and the simulated skin surface are equidistantly provided with the pin holes I and the pin holes II.

Further, the model body further comprises an arc-shaped groove, and the arc-shaped groove is formed in the bottom of the simulated skin.

Further, the model body further includes a blood vessel portion mounted between the muscle layer and the simulated skin.

Further, the vascular part comprises a vein tube and a plurality of sealing plugs, the vein tube is arranged between the muscle layer and the simulated skin, a plurality of guide pin holes I are formed in the surface of the vein tube, and the opposite ends of the sealing plugs are respectively in sealing connection with the inner walls at the two ends of the vein tube.

Further, the model body further comprises a rubber plate, and the rubber plate is arranged inside the muscle layer.

The beneficial effects are that: the application provides an injection training model, which can simulate the muscle tightening and loosening state of human tissues when the muscle layer and the simulated skin are injected by a needle by utilizing the expansion part and the contraction part through the matching, can also guide an operator to practice injection by utilizing the guide part, can ensure that the air bag is inflated by pinching the pressurized ball gas through an inflation tube, so that the air bag is inflated with the muscle layer and the simulated skin due to the inflation of the internal pressure, then releases the pressurized ball to restore the internal pressure of the air bag to be original, so that the muscle layer and the simulated skin retract to complete the tightening and loosening state of the simulated muscle, and further enables the operator to practice injection according to the inclination angle and the depth of the needle hole I and the needle hole II through a plurality of needle holes I and a plurality of needle holes II, thereby effectively solving the problems that the model can not simulate the reaction of the real human tissues to the injection needle, and the needle inlet angle and the depth are not easy to confirm whether the needle inlet angle and the depth are correct or not easy to operate by the operator.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present application and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of an injection training model according to an embodiment of the present application;

FIG. 2 is a schematic diagram of an injection training model identification structure according to an embodiment of the present application;

Fig. 3 is a schematic cross-sectional structure diagram of an injection training model according to an embodiment of the present application.

In the figure: 10-a model body; 110-muscle layer; 120-emulating skin; 130-arc grooves; 140-vessel part; 150-a rubber plate; 20-a simulation mechanism; 210-an expansion and contraction section; 220-a guide; 211-an air bag; 212-an inflation tube; 213-pressurized balls; 221-pin hole I; 222-a pin hole II; 223-silicone film; 141-venous vessel; 142-sealing plug.

Detailed Description

The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments.

Referring to fig. 1, the present application provides an injection training model, which includes a model body 10 and a simulation mechanism 20.

Wherein, the model body 10 is used for training the basic function of injection, and the simulation mechanism 20 is used for simulating the reaction of human tissues to an injection needle.

Embodiment one:

Referring to fig. 1,2 and 3, the model body 10 includes a muscle layer 110, a simulated skin 120 disposed on an outer wall of the muscle layer 110, a blood vessel portion 140 and an arc-shaped groove 130 between the muscle layer 110 and the simulated skin 120, and the blood vessel portion 140 further includes a venous tube 141 and a plurality of sealing plugs 142.

The muscle layer 110 and the simulated skin 120 are made of flexible silicone rubber materials, which have excellent elasticity and rebound resilience, and also have excellent weather resistance, ozone resistance and chemical resistance, so that the silicone rubber is an ideal material for making the muscle layer 110 and the simulated skin 120, and shapes and textures are molded, thereby simulating various characteristics of real skin and enabling a model to be more lifelike.

Wherein, the arc-shaped groove 130 arranged at the bottom of the simulated skin 120 is placed on the table top, and a certain distance is reserved between the model and the table top through the arc-shaped groove 130, so that an operator can conveniently pick up the model.

The vascular part 140 is used for practicing intravenous injection by an operator, and one end of the intravenous tube 141 is provided with branches, so that the operator can conveniently turn to finer branch exercise after the main vein exercise is performed, and the sealing plug 142 can be removed after the water is injected into the intravenous tube 141 to drain the water in the intravenous tube 141.

Wherein, the rubber sheet 150 is used for protecting the air bag 211, and the air bag 211 is punctured by conveniently blocking the needle from puncturing the muscle layer 110 through the hardness of the rubber sheet 150.

Embodiment two:

Referring to fig. 1, 2 and 3, the simulation mechanism 20 includes a swelling and shrinking portion 210 and a guiding portion 220 provided on the surface of the simulated skin 120, and the swelling and shrinking portion 210 further includes an air bag 211, an air inflation tube 212 and a pressurizing ball 213; the guide portion 220 further includes a plurality of pin holes I221, a plurality of pin holes II 222, and a plurality of silicone films 223.

The expanding and contracting portion 210 is used for simulating the reaction of human tissue to the injection needle, and the air is added into the air bag 211 through the pressurizing ball 213, so that the air bag 211 is inflated, and then the air in the air bag 211 flows back into the pressurizing ball 213, so that the air bag 211 can carry the muscle layer 110 and the simulated skin 120 to simulate the reaction of human tissue to the injection needle.

Wherein, guide portion 220 is used for guiding the operator to practice the injection with standard angle, and a plurality of guide pin holes I221 and a plurality of guide pin holes II 222 are the slope form setting in the model, and the hole inside diameter is different, and the operator of being convenient for advances the needle with appointed angle, can utilize the inside silica gel membrane 223 that is equipped with of different thickness needle exercise injection of guide pin hole I221 and guide pin hole II 222 simultaneously, and the operator of being convenient for has real sensation of crossing skin when utilizing guide pin hole I221 and guide pin hole II 222 exercise injection of syringe needle.

The working principle of the injection training model is as follows: when in use, an operator holds the pressurizing ball 213 and pressurizes the air bag 211 by the inflation tube 212, so that the air bag 211 carries the muscle layer 110 and the simulated skin 120 to simulate the reaction of human tissues to the injection needle, the trainer holds the needle to the silica gel membrane 223 to prick, and then the trainer pricks the inner bottom of the muscle layer 110 and the simulated skin 120 and the vein tube 141 through the needle hole I221 or the needle hole II 222 to fulfill the aim of practicing injection.

It should be noted that, specific model specifications of the pressurizing ball 213 and the air bag 211 need to be determined by selecting a model according to an actual specification of the device, and a specific model selection calculation method adopts the prior art in the art, so detailed description is omitted.

It will be evident to those skilled in the art that the application is not limited to the details of the foregoing illustrative embodiments, and that the present application may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. An injection training model, comprising:

Model body (10) the model body (10) comprises a muscle layer (110) and simulated skin (120), wherein the outer wall of the muscle layer (110) is connected with the inner wall of the simulated skin (120);

the simulation mechanism (20), the simulation mechanism (20) includes expansion and contraction portion (210) and guiding portion (220), the expansion and contraction portion (210) is installed inside the muscle layer (110), the muscle layer (110) with the guiding portion (220) has been seted up on emulation skin (120) surface.

2. An injection training model according to claim 1, characterized in that the expanding and contracting part (210) comprises an air bag (211), an air charging tube (212) and a pressurizing ball (213), the outer wall of the air bag (211) is coupled with the inner wall of the muscle layer (110), one end of the air charging tube (212) is arranged, the air charging end of the pressurizing ball (213) is fixedly connected with the other end of the air charging tube (212), and the inside of the air bag (211) is mutually communicated with the inside of the pressurizing ball (213) through the air charging tube (212).

3. The injection training model according to claim 2, wherein the guiding portion (220) comprises a plurality of pin holes i (221), a plurality of pin holes ii (222) and a plurality of silicone films (223), a plurality of the silicone films (223) are respectively arranged in the pin holes i (221) and the pin holes ii (222), and the surface of the muscle layer (110) and the surface of the simulated skin (120) are provided with a plurality of the pin holes i (221) and a plurality of the pin holes ii (222) at equal intervals.

4. An injection training model according to claim 3, characterized in that the model body (10) further comprises an arc-shaped groove (130), the arc-shaped groove (130) being provided at the bottom of the simulated skin (120).

5. An injection training model according to claim 4, characterized in that the model body (10) further comprises a vascular part (140), the vascular part (140) being mounted between the muscle layer (110) and the simulated skin (120).

6. An injection training model according to claim 5, characterized in that the vessel part (140) comprises a vein tube (141) and a plurality of sealing plugs (142), the vein tube (141) is arranged between the muscle layer (110) and the simulated skin (120), the surface is provided with a plurality of guide pin holes i (221), and opposite ends of the sealing plugs (142) are respectively connected with inner walls at two ends of the vein tube (141) in a sealing way.

7. An injection training model according to claim 6, characterized in that the model body (10) further comprises a rubber plate (150), the rubber plate (150) being provided inside the muscle layer (110).