Disclosure of Invention
The technical scheme provides the ECMO teaching model capable of performing intubation teaching in order to solve the problem that the teaching effect is poor due to the fact that the teaching mode of conventional vascular puncture teaching training is single.
The technical scheme aims at realizing the following steps:
An ECMO teaching model capable of performing intubation teaching comprises a simulation model main body, wherein a chest cavity is formed in the simulation model main body;
a lung model mounted within the chest cavity;
A head model provided at a front end of the simulation model body and received at an open end of the chest chamber;
And the air simulating pipe structure is arranged in the head model, one end of the air simulating pipe structure is communicated into the lung model, and the other end of the air simulating pipe structure is provided with an oral cavity corresponding to the face of the head model and is used for intubation of a breathing machine.
Through the technical scheme, when the ECMO teaching model capable of performing intubation teaching is normally used, the chest cavity arranged in the simulation model main body accommodates the adaptive lung model, the simulation model main body is used for simulating the human lung structure, the head model connected with the front end is used for simulating the human head structure, the simulated air pipe structure is arranged in the simulation model main body, two ends of the simulation model main body are respectively butted between the inside of the lung model and the face of the head model, real trachea intubation operation can be simulated through an oral cavity, and the simulation model main body is connected with a breathing machine for use, so that the combined use of ECMO and the heart and the lung of the breathing machine is realized, the reality and the interaction are enhanced, and then the simulation model main body is close to real clinical experience, and therefore the teaching effect is improved.
Preferably, the simulation model main body is provided with a connecting hole, and the connecting hole is arranged at the head and the neck of the simulation model main body;
an intravenous transfusion device is also arranged in the simulation model main body, which comprises
An intravenous infusion chamber fixed in the chest cavity for infusion storage;
one end of the venous transfusion tube is communicated with the venous transfusion chamber, and the other end of the venous transfusion tube is arranged in the connecting hole for fixation.
Through the technical scheme, the connecting hole is formed in the head and neck of the simulation model main body, one end of the venous transfusion tube is arranged in the connecting hole, the end of the venous transfusion tube is provided with a simulated skin structure, so that venous transfusion is convenient to use, a catheter path in the real venous transfusion process is simulated, the other end of the venous transfusion tube is communicated to the venous transfusion chamber, the venous transfusion chamber is fixed in the chest chamber and used as a liquid storage space for storing simulated transfusion liquid, simulation operation of the venous transfusion is expanded, understanding and mastering of clinical comprehensive skills are further deepened, and the actual teaching effect is further improved.
Preferably, the simulation model main body is provided with a plurality of mounting positions and a plurality of skin-like blocks, the skin-like blocks are mounted in the corresponding mounting positions, and each skin-like block is provided with a channel;
An internal circulation device is arranged in the simulation model main body, and the internal circulation device comprises a circulation pump;
The simulation model body is provided with a control switch which acts on the circulating pump so as to control the circulating pump to switch and adjust among various intensities.
Through above-mentioned technical scheme, be provided with the type skin piece in the installation position through different positions, the type skin piece is puncture position, can carry out supersound at type skin piece department when the teaching and survey, puncture or other designs, go to set up other type skin pieces according to actual demand, and then realize the teaching simulation at different positions, make the model teaching press close to clinical more, more satisfy clinical demand.
The internal circulation device simulates blood circulation in a human body, drives simulated blood to circulate in the simulation model, the channels formed by the skin-like blocks are used for being arranged in simulated artificial blood vessels, the artificial blood vessels can bear liquid flow, the circulation pump is controlled by operating the control switch, the operation speed and the operation strength of the artificial blood vessels are switched, the application scene of ECMO in real clinic is simulated, the internal circulation states (such as normal circulation, accelerated circulation, decelerating circulation and the like) in different physiological states are realized, the flexibility is improved, the teaching content can be further promoted to enter the complexity and the variability of the internal circulation, and the teaching effect is further improved.
Preferably, the chest cavity is internally provided with a mounting groove, and the internal circulation device further comprises a water tank which is fixed in the mounting groove;
the battery is arranged in the simulation model main body and is connected with the circulating pump through a wire;
The liquid outlet of the circulating pump is communicated with the liquid return port of the water tank through an artificial blood vessel arranged in a channel corresponding to the skin-like block;
The battery is powered by electricity, so that the circulating pump can pump out the liquid in the water tank and then convey the liquid back to the water tank after passing through the artificial blood vessel.
Through the technical scheme, the water tank is fixed in the fixed groove and is provided with the battery as a power source, the battery is electrically connected with the circulating pump through the lead, the electric power drives the circulating pump to work, liquid in the water tank is pumped out and conveyed into the artificial blood vessel, and after flowing through the corresponding skin-like block, the liquid flows back into the water tank through the artificial blood vessel, so that a finished internal circulation path is realized, the real circulation process in the human body is simulated, and the simulation degree is improved.
Preferably, a limiting plate is arranged in the mounting groove, protrudes out and is fixed at the bottom of the mounting groove, and is used for positioning the water tank.
Through above-mentioned technical scheme, through the limiting plate creates a suitable interval between water tank and lung model for chest cavity leaves great space, can supply lung model normal installation, avoids mutual interference, and the limiting plate ensures that the water tank is fixed in its due position fast in the installation, reinforcing location effect, and has improved fixed stability.
Preferably, the simulation model body has a pressing module for use in pressing.
Through the technical scheme, the pressing module is arranged above the lung model, has certain deformability, can be used for pressing, simulates a real pressing process, performs ECMO operation while carrying out cardiopulmonary resuscitation, restores ECPR (CPR under ECMO maintenance) under the condition of real cardiac arrest, further improves the authenticity of clinical environment, and further improves the effect of teaching use.
Preferably, the skin-like block comprises an upper skin-like block and a lower skin-like block, and the lower skin-like block is provided with a groove;
when the upper skin-like block and the lower skin-like block are spliced with each other, the grooves correspondingly form the channels.
Through above-mentioned technical scheme, the up end of lower skin type piece is seted up flutedly, and upward skin type piece concatenation is in skin type piece top down, and the combination forms complete skin type piece, and its recess corresponds promptly and forms the passageway, and the skin type piece after the combination is installed in the installation position again, avoids the complexity of direct trompil on single part, and the easy separation of skin type piece is changed, has improved the maintenance efficiency of model.
Preferably, a conveying pipeline is arranged in the simulation model main body, one end of the conveying pipeline is communicated with the water tank, and the other end of the conveying pipeline is communicated with a channel of the skin-like block positioned on the leg of the simulation model main body.
Through the technical scheme, the conveying pipeline is arranged in the simulation model main body and acts on a part of internal circulation, and liquid in the water tank can pass through an artificial blood vessel in the conveying pipeline under the action of the pump and is conveyed to other parts in the model so as to realize the simulation of the arteries and veins of the legs of the associated simulation model main body.
Preferably, the upper end surface of the water tank is recessed with a fixing groove, and the skin-like block is arranged in the fixing groove;
the side wall of the fixed groove penetrates through the vertical side wall of the water tank, and a water tank joint for conducting the inside of the water tank is arranged on the opposite surface of the fixed groove;
The water tank joint is arranged corresponding to the conveying pipeline;
the internal circulation device is provided with an abdominal aortic groove and a lower vena cava groove, so that the abdominal aorta and the lower vena cava are positioned between skin-like blocks at the bottom of the fixed groove.
Through above-mentioned technical scheme, add the fixed slot at the water tank up end, abdominal aortic groove and inferior vena cava groove are offered at the fixed slot tank bottom, wear to be equipped with the artificial blood vessel of connection between pipeline and water tank joint in two inslot, and the ingenious embedding of fixed slot has the skin piece, can generally use the supersound to survey of inferior vena cava/abdominal aorta, guarantees pipeline/seal wire in the artificial blood vessel.
Preferably, the bottom of the simulation model main body is provided with a drainage part which is provided with a drainage groove, and the drainage part is also provided with a drainage hole for the water supply and drainage pipe to pass through;
The water tank is provided with a drainage connector which is connected to the bottom of the water tank, and after the water tank is mounted on the limiting plate, the drainage connector is positioned in the drainage groove, and a drainage port of the drainage connector faces the drainage hole and is used for connecting a water supply pipe and a drainage pipe.
Through the technical scheme, the drainage tank is arranged at the drainage part at the bottom, after the water tank is installed in the installation groove, the drainage connector at the bottom is positioned in the drainage tank, the port of the drainage connector faces the drainage hole, the drainage pipe passes through the drainage hole and then can be connected with the drainage connector, liquid in the water tank is rapidly discharged through the drainage hole, the complex disassembly and dumping process is avoided, the operation is simplified to improve the efficiency, and the use experience of the model is optimized.
Compared with the prior art, the technical scheme has the advantages that:
1. According to the technical scheme, the head model is added to the simulation model main body, the human head structure is simulated, the lung model is added to the chest cavity, the human lung structure is simulated, two ends of the simulated air pipe structure are connected between the lung model and the face of the head model, the face wall is formed to simulate the operation of a real trachea cannula in an oral cavity, and the mouth wall is connected to a breathing machine for use, so that the combined application of ECMO and the heart and lung of the breathing machine is realized, and the real clinical experience is further closed, and the teaching effect is improved;
2. According to the technical scheme, the venous transfusion device is arranged in the simulation model main body and comprises a venous transfusion chamber and a venous transfusion tube, one end of the venous transfusion tube is communicated with the venous transfusion chamber, the other end of the venous transfusion tube is arranged in a connecting hole for fixation, real venous transfusion is simulated, and the venous transfusion chamber stores liquid, so that the actual teaching effect is improved;
3. According to the technical scheme, the pressing module is arranged on the simulation model main body and used for pressing, the pressing process is simulated, ECMO operation is carried out while cardiopulmonary resuscitation is carried out, ECPR under the condition of real cardiac arrest is restored, the authenticity of a clinical environment is further improved, and the teaching use effect is further improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present embodiment;
FIG. 2 is a schematic view of another view of FIG. 1 according to the present embodiment;
FIG. 3 is a schematic view of a partial structure of the present embodiment;
FIG. 4 is a schematic view of the partial explosion of FIG. 3 in an embodiment of an in vivo circulation device;
fig. 5 is a schematic partial sectional view of the present embodiment.
The device comprises a simulation model main body, a chest cavity, a lung model, a head model, a simulated air tube structure, an oral cavity, a 7, an access hole, an intravenous infusion device, an 81, an intravenous infusion chamber, an 82, an intravenous infusion tube, a 9, an installation position, a 10, a skin-like block, a 101, an upper skin-like block, a 102, a lower skin-like block, an 11, a channel, a 12, an internal circulation device, a 121, a circulation pump, a 122, a water tank, a 123, a battery, a 13, a control switch, a 14, an installation groove, a 15, a limiting plate, a 16, a pressing module, a17, a groove, a 19, a conveying pipeline, a 20, a fixing groove, a 21, a water tank joint, a 22, an aortic groove, a 23, a lower vena 24, a drainage part, a 25, a drainage groove, a 26, a drainage hole, a 27 and a drainage joint.
Detailed Description
The following describes the specific embodiments of the present technical solution in further detail with reference to the accompanying drawings.
Examples:
Referring to fig. 1 and 3, an ECMO teaching model capable of performing intubation teaching includes a simulation model body 1, which simulates the size and shape design of a real human body, and has a chest cavity 2 formed therein, which corresponds to the chest position design of the human body and is located relatively in front of the simulation model body 1.
Also included is a head model 4 which mimics the size and shape design of a real human head and is attached to the front end of the phantom body 1, the chest cavity 2 leaving an opening towards the head model 4 so that the head model 4 is fitted with a socket at the opening.
The simulation model main body 1 is provided with a connecting hole 7 which is arranged at the head and neck part of the simulation model main body 1, one end of the connecting hole 7 is communicated into the chest cavity 2, the simulation model main body 1 is internally provided with a venous transfusion device 8 which is hidden in the chest cavity 2 and is fixed, the venous transfusion device 8 comprises a venous transfusion chamber 81 and a venous transfusion tube 82, the shape of the venous transfusion chamber 81 adopts a bag shape or a box shape, the shape is preferably a box shape and is used for storing liquid, one end of the venous transfusion tube 82 is communicated inside the venous transfusion chamber 81, the other end of the venous transfusion tube 82 is arranged in the connecting hole 7 and is fixed, the end part arranged in the connecting hole 7 is provided with a skin-like structure for simulating venous transfusion, and the input liquid is led into the venous transfusion chamber 81 along the venous transfusion tube 82.
Referring to fig. 3 and 5, the human body lung structure simulation device further comprises a lung model 3 and a simulated air tube structure 5, wherein the lung model 3 simulates a real human body lung structure, the human body lung structure simulation device comprises two parts which respectively correspond to a left lung and a right lung, the human body lung structure simulation device is installed in a chest cavity 2 and is fixed close to a head model 4, the simulated air tube structure 5 is in a bent pipe shape, one end of the simulated air tube structure 5 is communicated into the lung model 3, the other end of the simulated air tube structure is correspondingly arranged on the head model 4, an oral cavity 6 is formed on the face of the head model 4, the oral cavity 6 is kept normally open, a real air tube can be connected with a breathing machine in parallel, the cardiopulmonary joint application of ECMO and the breathing machine is realized, and clinical experience is more similar to.
The simulation model body 1 has a compression module 16 with a certain deformation capability for compression, and a user can simulate the compression process, apply a compression force on the compression module 16 to simulate cardiopulmonary resuscitation, and perform ECMO operation while cardiopulmonary resuscitation operation, so as to restore ECPR (CPR under ECMO maintenance) under the condition of real cardiac arrest, which is not described herein in detail.
Referring to fig. 4 and 5, the simulation model main body 1 is provided with a plurality of mounting positions 9 and a plurality of skin-like blocks 10, the skin-like blocks 10 are pierceable parts, ultrasonic exploration, piercing or other designs can be performed at the skin-like blocks 10 during teaching, the number of the skin-like blocks is the same as that of the mounting positions 9, the mounting positions 9 shown in the embodiment are four, each skin-like block 10 can be embedded into the corresponding mounting positions 9 in a one-to-one correspondence manner for fixation, and the four skin-like blocks 10 can be correspondingly classified into the neck skin-like blocks 10, the abdomen skin-like blocks 10, the two leg skin-like blocks 10 and the like according to actual use.
Each skin-like block 10 is provided with a channel 11, each channel 11 is designed according to the human body layout of a human body, the channel 11 in the implementation is used for burying a plurality of artificial blood vessels, the artificial blood vessels are in the condition of rubber tubes or other hoses, the artificial blood vessels are used for simulating blood circulation, the specific channel 11 forming mode adopts the structure that each skin-like block 10 comprises two parts of an upper skin-like block 101 and a lower skin-like block 102, the lower skin-like block 102 is provided with a plurality of grooves 17, the upper skin-like block 101 is correspondingly covered on the lower skin-like block 102, so that the channels 11 are formed in a spliced mode, and the artificial blood vessels are tightly wrapped by the upper skin-like block 101 and the lower skin-like block 102.
The simulation model main body 1 is internally provided with an internal circulation device 12 which comprises a circulation pump 121, a water tank 122 and a battery 123, the chest chamber 2 is internally provided with a mounting groove 14 which is positioned at the bottom of the chest chamber 2, the mounting groove 14 is internally provided with a limiting plate 15, the limiting plate 15 is fixedly protruded out of the bottom of the mounting groove 14, the water tank 122 is fixedly arranged in the limiting plate 15 to be positioned in the mounting groove 14, and the water tank 122 stores liquid for providing simulated blood in internal circulation.
The upper end surface of the water tank 122 is sunken with the fixed slot 20, the side wall of the fixed slot 20 penetrates through the vertical side wall of the water tank 122, the opposite surface is provided with a water tank 122 joint for conducting the inside of the water tank 122, the joint can be correspondingly conducted with the port of the conveying pipeline 19, the internal circulation device 12 is provided with an abdominal aortic slot 22 and a lower vena cava slot 23, the fixed slot 20 is internally provided with a skin-like block 10, so that the abdominal aorta and the lower vena cava are respectively simulated by the two slots, the artificial blood vessels arranged in the fixed slot are tightly wrapped by the skin-like block 10, and thus, the large blood vessels (abdominal aorta and lower vena cava) positioned at the abdomen can meet ultrasonic quality control/ultrasonic exploration (because the ultrasonic cannot permeate air, but other materials can permeate), and the ultrasonic quality control can also be called ultrasonic exploration.
The existing model has no ultrasonic exploration teaching function, the ultrasonic transmittance of the skin-like block 10 is high, and the teaching effect can be guaranteed.
The battery 123 is used for supplying electric energy, and is connected to the circulation pump 121 through a wire, the circulation pump 121 works to pump out the liquid in the water tank 122, convey the liquid along the artificial blood vessel, and flow back into the water tank 122 through the artificial blood vessel after flowing through each corresponding skin-like block 10, so as to simulate the whole internal circulation flow.
The simulation model main body 1 is provided with a control switch 13, which is electrically connected with the circulating pump 121 and acts on the circulating pump 121 to enable the circulating pump 121 to be controlled to be switched and regulated among various intensities, in this embodiment, three gears are used for regulating the intensity of the three circulating pumps 121, wherein the first gear simulates low cardiac output (1L/min), the second gear simulates normal cardiac output (3L/min), the third gear simulates high cardiac output (5L/min), and therefore multiple application scenes of ECMO in real clinic are simulated, and the use experience is further expanded.
The simulation model body 1 is internally provided with a conveying pipeline 19 which is provided with a bifurcation structure, a port at one end of the conveying pipeline is communicated with the water tank 122, a port after differentiation at the other end of the conveying pipeline is respectively communicated with the channels 11 of the skin-like blocks 10 positioned at the left leg and the right leg, and the conveying pipeline 19 is internally and generally used for passing an artificial blood vessel and simulating the blood circulation of an abdominal cavity.
Referring to fig. 2, the bottom of the simulation model body 1 is provided with a drain portion 24, the position of which corresponds to the position of the water tank 122, the drain portion 24 is penetrated with a drain groove 25, the water tank 122 is provided with a drain connector 27, which is connected to the bottom of the water tank 122 and just located in the drain groove 25, the drain portion 24 is further provided with a drain hole 26, which is provided on the side wall of the drain portion 24, when the drain connector 27 is in use, the interface end of the drain connector 27 is arranged towards the drain hole 26, after the drain connector 27 is connected with a water pipe, the water pipe can pass through the drain hole 26, and by installing a valve on the drain pipe, the conduction or the closing of the drain pipe is controlled, so that the discharge of the liquid in the water tank 122 is realized.
The specific working process of the scheme is as follows:
According to the technical scheme, the chest cavity 2 is arranged in the simulation model main body 1, the chest cavity is provided with the lung model 3 and is used for simulating a human lung structure, the front end of the simulation model main body 1 is connected with the head model 4 and simulates the human head structure, the air simulating pipe structure 5 is arranged in the simulation model main body, two ends of the structure are respectively butted between the inside of the lung model 3 and the face of the head model 4, the operation of a real trachea cannula can be simulated through the oral cavity 6, and the breathing machine is accessed to be used, so that the combined application of ECMO and the heart and the lung of the breathing machine is realized, the authenticity and the interactivity are enhanced, and the real clinical experience is further pressed close to, and the teaching effect is improved.
The foregoing shows and describes the basic principles and main features of the present technical solution and the advantages of the present technical solution. It will be appreciated by persons skilled in the art that the present invention is not limited to the embodiments described above, and that the embodiments and descriptions described herein are merely illustrative of the principles of the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention, which is defined by the appended claims. The scope of protection of the technical solution is defined by the appended claims and equivalents thereof.