CN215770228U - Teaching model for human body surgery - Google Patents

Abstract

The utility model relates to the technical field of medical teaching models, in particular to a teaching model for human body surgery, which comprises a human body module, wherein the human body module comprises a PVC cushion layer, and a simulated muscle layer, a simulated fat layer and a simulated skin layer which are sequentially attached to the PVC cushion layer from bottom to top, a simulated blood vessel layer is arranged between the simulated fat layer and the simulated skin layer, the simulated blood vessel layer comprises a plurality of vein simulated blood vessels, a plurality of separation parts are arranged at intervals on each vein simulated blood vessel so as to separate the vein simulated blood vessels into a plurality of closed simulated blood vessel units, and fixing belts used for fixing the human body module on human limbs are arranged on two sides of the human body module. The vein simulation blood vessel of the simulation blood vessel layer of the model is divided into a plurality of closed simulation blood vessel units, and after the simulation blood vessel unit of a local unit is subjected to teaching training such as surgical cutting, the use of other simulation blood vessel units is not influenced, so that the model can be used for multiple times.

Description

Teaching model for human body surgery

Technical Field

The utility model relates to the technical field of medical teaching models, in particular to a teaching model for human body surgical operations.

Background

In the field of medical teaching, clinical operation training is required, so that a medical teaching model is used. The medical teaching model is mainly used for skill operation training, competition and the like in the simulated clinical scene of medical students and doctors.

Some abdominal suture or skin suture models are disclosed in the prior art, for example, chinese utility model patent with patent publication No. CN 201955979U discloses an abdominal operation incision suture model, which mainly comprises an intestinal tract, an abdominal wall pad and a simulated abdominal cavity. The intestinal tract is simulated by an inflated balloon and is tightly attached in the simulated abdominal cavity, so that the abdominal wall pad is in a tense state; the abdominal wall pad is combined with epidermis, dermis, fat, white line and peritoneum, is of a square structure, nylon hasps are adhered to four sides of the abdominal wall pad, and a square block is cut off from each of four corners of the abdominal wall pad so that the abdominal wall pad can be completely adhered to the simulated abdominal cavity; the simulated abdominal cavity consists of a square solid box without a cover and is used for placing the intestinal tract, and a nylon hasp is stuck outside the box and is used for sticking a abdominal wall pad. The utility model discloses a model is sewed up to surgery emulation skin is disclosed to publication number is CN 201853414U utility model, including skin layer and hypodermis layer, the skin layer includes epidermis and corium layer, and the epidermis bonds with corium layer mutually, and the another side and the hypodermis layer of corium layer bond mutually, are provided with the capillary stratum reticulare between corium layer and the hypodermis layer, and the capillary stratum reticulare includes the blood gasbag layer of closed structure and the inside emulation blood of depositing, and the manufacturing material of epidermis is silica gel, and the manufacturing material of corium layer is the EVA resin, and the manufacturing material of hypodermis layer is PVC resin or sponge, and the manufacturing material of blood gasbag layer is the dacron. The model is only a model which can be placed on a desktop for demonstration, and the model is not convenient to be fixed on a human body for demonstration and explanation, so that the model cannot be effectively communicated, communicated and responded like a real patient and a doctor. In addition, the capillary network layer in the skin suture model is only a single closed blood sac structure, which is only suitable for repeated use of suture, but in the case of the incision model, the closed blood sac structure cannot be reused after incision, and thus, is not suitable for the incision suture model.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provides a teaching model for human body surgery, wherein a vein simulation blood vessel is divided into a plurality of closed simulation blood vessel units, so that the simulation blood vessel units are not influenced with each other, and the model can be used for multiple times.

In order to achieve the purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a human teaching model for surgical operation, includes human module, human module include the PVC bed course and from up laminating in proper order down set up in simulation muscle layer, simulation fat layer and simulation skin layer on the PVC bed course, be equipped with simulation blood vessel layer between simulation fat layer and the simulation skin layer, simulation blood vessel layer includes many vein simulation blood vessels, each vein simulation blood vessel interval is provided with a plurality of partitions to make vein simulation blood vessel separate into a plurality of confined simulation blood vessel units, the both sides of human module are equipped with and are used for fixing the fixed band on human limbs with human module.

Further, a plurality of vein simulation blood vessels are arranged in parallel at intervals in the transverse direction or the longitudinal direction.

Further, the vein simulating blood vessels are arranged in a grid shape.

Furthermore, the simulated blood vessel layer further comprises a filler, the filler is provided with a groove matched with the vein simulated blood vessel, and the vein simulated blood vessel is embedded in the groove.

Further, the thickness of the cushion layer is 0.2 cm.

Furthermore, the simulated muscle layer, the simulated fat layer and the simulated skin layer are all made of simulated silica gel materials.

Further, the thickness of the simulated muscle layer is 1cm, the thickness of the simulated fat layer is 2cm, and the thickness of the simulated skin layer is 0.5 cm.

Furthermore, fixed band one end is fixed between bed course and the simulation muscle layer, one of them the end-to-end connection of fixed band has the buckle, and another the back of fixed band is provided with magic tape hair side and magic tape hook face from outside-in interval.

Further, the fixing belt is a wide elastic belt, and the width of the elastic belt is 3-5 cm.

Due to the adoption of the technical scheme, the utility model has the following beneficial effects:

the human body module comprises a PVC cushion layer simulated muscle layer, a simulated fat layer, a simulated blood vessel layer and a simulated skin layer, wherein vein simulated blood vessels of the simulated blood vessel layer are divided into a plurality of closed simulated blood vessel units through a plurality of separating parts, and when the operation model teaching is carried out, the use of other simulated blood vessel units cannot be influenced after the simulated blood vessel unit of a local unit is subjected to teaching training such as operation cutting, so that the model teaching training can be repeatedly carried out in the mode.

Drawings

FIG. 1 is a schematic structural diagram of a teaching model for human body surgery according to the present invention;

FIG. 2 is a top view of one embodiment of a simulated vascular layer of the present invention;

FIG. 3 is a top view of another embodiment of a simulated vascular layer of the present invention;

the reference numbers in the figures are: 1-PVC cushion layer, 2-simulated muscle layer, 3-simulated fat layer, 4-simulated blood vessel layer, 41-vein simulated blood vessel, 411-separating part, 412-simulated blood vessel unit, 42-filler, 421-groove, 5-simulated skin layer, 6-fixing belt, 61-belt buckle and 62-magic hook surface.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

As shown in figures 1 and 2, a human teaching model for surgery comprises a human body module, the human body module comprises a PVC cushion layer 1 and a simulated muscle layer 2, a simulated fat layer 3 and a simulated skin layer 5, wherein the simulated muscle layer 2, the simulated fat layer 3 and the simulated skin layer 5 are sequentially attached to the PVC cushion layer 1 from bottom to top. The PVC material is adopted as the cushion layer of the model, the flexibility of the model can be deformed and bent according to different parts of a human body, if the model is sleeved on an arm, the bent round shape is convenient to adapt to the shape of the arm, and if the model is sleeved on the abdomen, the model can be relatively unfolded to adapt to the shape of the abdomen. The PVC cushion layer 1 has good liquid barrier property, and disinfectant, physiological saline and the like are not easy to permeate into a human body in the teaching steps of preoperative disinfection and the like.

Be equipped with simulation blood vessel layer 4 between simulation fat layer 3 and the simulation skin layer 5, simulation blood vessel layer 4 includes many vein simulation blood vessels 41, each vein simulation blood vessel 41 interval is provided with a plurality of partitions 411 to make vein simulation blood vessel 41 separate into a plurality of confined simulation vascular unit 412. In the manufacturing process, after filling one end of the vein simulation blood vessel 41 with simulation blood, the section of simulation blood is closed by a hot pressing mode to form the partition 411, the next section of simulation blood is filled again, then the hot pressing closing partition is performed, and the operation is repeated, so that the vein simulation blood vessel 41 with a plurality of separated simulation blood vessel units 412 is formed. In this embodiment, the vein simulating vessels 41 may be set to have different tube diameters or the same tube diameter, and the tube diameter may be in the range of 1mm-3 mm. Because the vein simulation blood vessel 41 is arranged in a multi-section separation mode, the use of other simulation blood vessel units 41 cannot be influenced after the simulation blood vessel unit 41 of a certain local unit is subjected to teaching training such as surgical cutting, and the model teaching training can be repeatedly carried out in the mode.

Fixing belts 6 for fixing the human body module on the limbs of the human body are arranged on two sides of the human body module. By arranging the fixing belt 6, the model can be flexibly bound on the arms, the abdomen and other positions of the human body through the fixing belt 6, so that the reality is increased, the suturing of the arm trauma and the like of the human body or the operations of the abdominal trauma and the like are simulated, the communication and response between the patient and the doctor can be demonstrated, and the student is guided to make the communication before the suturing or the operations.

In a preferred embodiment, as shown in fig. 2, a plurality of the vein-simulating vessels 41 are arranged in parallel at intervals transversely or longitudinally.

In another preferred embodiment, as shown in fig. 3, a plurality of vein simulating vessels 41 are arranged in a grid. So as to form a staggered vascular pipeline and facilitate repeated use for many times in the teaching process.

A plurality of said vein mimics may be applied directly to the simulated fat layer 3. In this embodiment, the blood vessel layer further includes a filler 42, the filler 42 is provided with a groove 421 corresponding to the vein-simulating blood vessel 41, and the vein-simulating blood vessel 41 is embedded in the groove 421. This structure facilitates the fabrication of the simulated vascular layer 4. The filler 42 may be made of a silicone material.

The thickness of the cushion layer is 0.2 cm. The PVC cushion layer 1 has certain hardness and thickness, so that the needle is not easy to penetrate through, and the model cannot be punctured into the skin of a human body to cause damage because the needle is punctured too deeply to penetrate through the PVC cushion layer 1 in the sewing process.

The simulated muscle layer 2, the simulated fat layer 3 and the simulated skin layer 5 are all made of simulated silica gel materials. Is made of silica gel material, is similar to human skin, and is beneficial to repeated operation and practice of medical students. The thickness of the simulated muscle layer 2 is 1cm, the thickness of the simulated fat layer 3 is 2cm, and the thickness of the simulated skin layer 5 is 0.5 cm. The design simulation degree of each layer is high, so that the simulation effect is fully realized.

One end of the fixing band 6 is fixed between the cushion layer and the simulated muscle layer 2, one end of the fixing band 6 is connected with a buckle 61, and the other end of the fixing band 6 is provided with a hook and loop fastening surface (not shown) and a hook and loop fastening surface 62 at intervals from outside to inside. This fixed band 6 design, when binding, the fixed band 6 that is equipped with the magic subsides can pass and buckle 61 adjustment elasticity back, recycles the magic and pastes the matte side and the hook face 62 is pasted together with the magic subsides, realizes binding, is convenient for tie up on the human body at different human bodies and different positions.

The fixing belt 6 is a wide elastic band, and the width of the elastic band is 3-5 cm. And the broadband design is adopted, so that the human body is more comfortable in the binding process.

The working principle of the utility model is as follows: when the model is used, the model can be flexibly bound on the arm or the abdomen of a person according to the position of the suture or operation of the teaching. If the abdominal trauma is simulated, the model is tied on the abdomen of a human body, and the operations of aseptic towel spreading, disinfection and the like are performed before an operation, and the cushion layer of the model is made of PVC material, so that the disinfectant is not easy to permeate. Preoperative communication was conducted to guide students on how to communicate. And then performing teaching training such as incision surgery, and the like, wherein the vein simulation blood vessel 41 of the simulation blood vessel layer 4 is divided into a plurality of closed simulation blood vessel units 412, so that after the simulation blood vessel unit 412 of a local unit is subjected to surgical cutting, the use of other simulation blood vessel units 412 is not influenced, and the model teaching training can be repeatedly performed in the model.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Claims (9)

1. The utility model provides a teaching mode is used in human surgery operation, includes human module, its characterized in that: human module include the PVC bed course and from up laminating in proper order down set up in simulation muscle layer, simulation fat layer and simulation skin layer on the PVC bed course, be equipped with the simulation blood vessel layer between simulation fat layer and the simulation skin layer, the simulation blood vessel layer includes many vein simulation blood vessels, each vein simulation blood vessel interval is provided with a plurality of partitions to make vein simulation blood vessel separate into a plurality of confined simulation blood vessel units, the both sides of human module are equipped with and are used for fixing the fixed band on human limbs with human module.

2. The instructional model for human surgery of claim 1, wherein: the vein simulating blood vessels are arranged in parallel at intervals transversely or longitudinally.

3. The instructional model for human surgery of claim 1, wherein: the vein simulation blood vessels are arranged in a grid shape.

4. An instructional model for human surgery as claimed in claim 2 or 3, wherein: the simulated blood vessel layer further comprises a filler, the filler is provided with a groove matched with the vein simulated blood vessel, and the vein simulated blood vessel is embedded in the groove.

5. The instructional model for human surgery of claim 1, wherein: the thickness of the cushion layer is 0.2 cm.

6. The instructional model for human surgery of claim 1, wherein: the simulated muscle layer, the simulated fat layer and the simulated skin layer are all made of simulated silica gel materials.

7. The instructional model for human surgery of claim 5, wherein: the thickness of the simulated muscle layer is 1cm, the thickness of the simulated fat layer is 2cm, and the thickness of the simulated skin layer is 0.5 cm.

8. The instructional model for human surgery of claim 1, wherein: one end of each fixing band is fixed between the cushion layer and the simulated muscle layer, one end of each fixing band is connected with a belt buckle, and the other end of each fixing band is provided with a hook-and-loop fastener rough surface and a hook-and-loop fastener hook surface at intervals from outside to inside.

9. The instructional model for human surgery of claim 6, wherein: the fixing band is a wide elastic band, and the width of the elastic band is 3-5 cm.

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