High-simulation intelligent full-automatic chest four-diagnosis examination simulation training systemTechnical Field
The invention relates to medical education equipment, in particular to a high-simulation intelligent full-automatic chest four-diagnosis examination simulation training system.
Background
In modern medicine, chest examination has historically been the key and difficult point of diagnostics teaching and medical practitioner examination, the traditional teaching method is theory teaching assisted by wall map and video recording, and practical skill training can only be performed on patients in hospitals; however, in recent years, with the improvement of legal concepts and self-protection awareness of people, patients often refuse to practice on themselves; in order to solve the problem of difficult practice, a patent number CN9722cb08.X cardiopulmonary palpation auscultation computer simulator patent is developed, and the problem of difficult practice is primarily solved, but because of the lack of multimedia teaching means of figures, texts, sounds and images, students can not understand deeply, and each model can not be uniformly taught and examined by the 'independent war' of the students, a plurality of computers are arranged in the existing multimedia classroom, so that the existing multimedia classroom is not convenient to install and move, and is more difficult to install and move, and a fixed special laboratory is needed, however, clinical courses of medical institutions are mostly carried out in subsidiary hospitals or teaching hospitals, most hospitals are not provided with special multimedia laboratories under the condition limitation, and the development of multimedia teaching is influenced.
Disclosure of Invention
The invention aims to adopt advanced computer network technology, software development technology, wireless transmitting and receiving technology to be perfectly combined with a chest examination model to form a wireless or wired network multimedia chest examination teaching system, realize the interactive teaching of multimedia teachers and students such as videos, audios, pictures, characters and the like, do not need network cable connection, are convenient to install and move, are multipurpose in one room, and can carry out multimedia chest and abdomen examination teaching through a wired network under the condition of a special laboratory.
The invention relates to a high-simulation intelligent full-automatic chest four-diagnosis examination simulation training system, which comprises: computer, emulation human chest inspection model, microcomputer control treater, respiratory motion analogue means, precordial region uplift analogue means, cardiopulmonary percussion analogue means, cardiopulmonary auscultation analogue means, its characterized in that: the teacher computer control system consists of a teacher computer (1) and a microcomputer control processor (6), the student computer control system is controlled by a student computer (10), other components and connections are the same as the teacher computer, clinically collected chest examination sign audio and sign setting data and animation, multimedia courseware and skill training and checking software are stored in a hard disk of the teacher computer (pc-1) or the student computer (pc-10), the teacher computer is also provided with teaching management monitoring, courseware making, skill training and sounding scheme making, test question editing and grading software, a large amount of teaching software (CAI) related to skill training, auscultation audio information data (MP) and teaching skill selection on a computer display screen (DP), chest compression and learning skill selection, The tree directory (ADG) of palpation, percussion, diagnosis and auscultation signs, the control software (CAI-1) set for skill training and the microcomputer Control Processor (CPU) set in the simulation human chest examination model (1) are closely related; various buttons for training the chest visual examination, touch, tap and listening examination skills are arranged on a tree-shaped catalog on a computer display screen to call and control corresponding physical signs; the cardiopulmonary visual examination project is provided with: a breath movement key (K1), a one-side breath disappearance key-pneumothorax key (K2); the heart visual examination is provided with: anterior ventricular eminence key (K5), negative apical pulsation key (K6), apical pulsation key displaced to the left and lower (K7), subxiphoid pulsation key (K8), sternumleft edge 2 nd intercostal pulsation key (K9), and sternum right edge second intercostal pulsation key (K10); the cardiopulmonary percussion items are provided with: the reset/unvoiced sound key (K11), the clear sound key (K12), the drum sound key (K13), the voiced sound key (K14), the solid sound key (K15), the normal heart boundary (K16), the pear-shaped heart (K17), the boot-shaped heart (K18), the general heart (K19), the triangle flask-shaped heart (K20) and the examination withdrawal key (K21) can be clicked on the training items of the palpation and auscultation skills of hundreds of types of heart and lung according to the arrangement of the signs/disease names; a panel (BA) of the microcomputer control processor Case (CA) is provided with a power switch (K) and an indicator light (L) thereof, a socket (A) of a data line connected with the computer case, a Socket (SK) externally connected with an AC220V power supply, a respiration speed adjusting knob (R1), a respiration amplitude adjusting knob (R2) and a heart beat frequency adjusting knob (R3); a rectification power supply (DC), an AT89S 51 single-chip microcomputer control circuit module (a), a driving circuit (b), a heart and lung sign/case switching processor (c), a pulse generation controller (MQ) circuit wiring board (J) microcomputer voice chips (IC-1), (IC-2) and a loudspeaker (Y) are arranged in a Case (CA), and the structure of the breathing motion simulation device installed in the Case (CA) is as follows: a 57 stepping motor (JC) controlled by a stepping motor drive controller (JB), wherein a motor shaft of the 57 stepping motor (JC) is fixedly connected with a crank (GZ) and is connected with the front part of a slide block (HK) in a chute (HZ) through a connecting rod (LM), the top end of the slide block is connected with a folding type telescopic bag (15), and the other side of the bag is connected with a long air Duct (DG) and is taken out of a Case (CA) to be connected with a simulation chest manikin (1); the long air duct entering the simulation chest examination human body model (1) becomes a simulation air duct (16), then is divided into a left simulation bronchus (11) through a tee joint (TP) to be connected with a left simulation lung sac (7) positioned below a chest simulation skin layer, the other end of the simulation right simulation bronchus is connected with a simulation right bronchus (12) to be connected with a normally open electromagnetic valve (F) to slightly expand a flow hole of the valve (to ensure that the valve leaks air when being electrified and closed), and then is connected with a right simulation lung sac (8) positioned below the chest simulation skin layer; the structure of the simulated heart visual inspection anterior cardiac bulge is as follows: a ventricular sac (29) simulating the elevation of the precordial region is arranged under the precordial region of a simulation chest human body model (1) in a subcutaneous mode, the sac is connected with an electromagnetic valve (f 2) and a gear pump (cb) through a catheter (29-1), and the structure of the device for simulating the visual inspection and the palpation of the precordial region is as follows: micro push-pull type electromagnets (DCT-1-DCT-2-DCT-3) controlled by a pulse generation controller (MQ) are arranged near the positions of the apex beating point (30) shifted downwards leftwards, the apex beating point (30-1) shifted leftwards and the subxiphoid beating point (31), and the top end (34) of a push-pull rod of the micro push-pull type electromagnet is used as the power of beating; the pulse generation controller (MQ) is adopted to regulate the heart beat frequency, and the structure of the simulated heart-lung percussion device is as follows: a water tank (41) is arranged in the chest of a human body model (1), a circuit-programmed control circuit of an AT89S 51 single chip microcomputer (a) in a microcomputer controller is connected with a gear pump (cb) and an electromagnetic valve (F1-F6) which are arranged in the abdominal cavity of the model through a conduit (38), an input pipe (42) of the pump is connected with an output pipe (43) of the water tank (41), a conduit (DG) is connected with one end of a multi-way pipe (39), and each branch pipe (fg 1-fg 6) of the multi-way pipe is respectively connected with a simulated normal heart boundary bag (46), a pear-shaped heart bag (47), a boot-shaped heart bag (48), a common large heart bag (49), a triangular flask-shaped heart bag (50) and a real sound bag (55) on the inner wall of the chest AT one side through the electromagnetic valves (F1) -F6), and the simulated normal heart boundary bags (51-1) and (51-2) on the left lung and the right lung; a voiced sac (52) is arranged between two layers of sponges of which one side simulates the clear lung sounds and is connected with an electromagnetic valve (F7) and a branch pipe (fg-7) through a catheter (DG); a simulated passing-clearing sac (53) is arranged between two layers of sponges (51-1) (51-2) for simulating the clearing of the lungs at two sides, and is connected with a three-way pipe (ST-1) through a catheter (DG) and then respectively connected with a gas injection electromagnetic valve (F8), a micro air pump (54), a gas extraction electromagnetic valve (F9) and a micro vacuum pump (56) through another three-way pipe (ST-2); the real sound sac (55) tightly attached to the inner wall of the chest at one side is provided with a simulation air chest sac (52), a three-way pipe (ST-3) is connected through a guide pipe (DG), and one end of the three-way pipe is connected with an air injection electromagnetic valve (F8) and a micro air pump (54) through the guide pipe; the other end is connected with an air exhaust electromagnetic valve (F9) and a micro vacuum pump (56) through a conduit; the device for simulating chest auscultation signs is as follows: hundreds of cardio-pulmonary auscultation sign recording data collected from clinical patients are stored in a Database (DB) of a computer (PC), are stored in a voice recording and playing module (IC-1-IC-2) in a microcomputer controller Case (CA), are communicated with a sound generator (y 1-y 20) and (yc-1_ yc-7) of a simulated human chest examination model through a case sign switching module (C) through an audio line, each sign name of a tree directory (ADG) for the cardio-pulmonary auscultation sign is arranged on a display screen (DP) of the computer (PC) and is communicated with the sign in a corresponding database, and a simulation device for the cardio-pulmonary auscultation of the simulated human chest examination model has the structure that the chest wall under the skin of a heart palpation part is provided with a loudspeaker M (y 1), A (y 2), P (y 3) for simulating the cardio-pulmonary palpation sign, A synchronous vibration touch (Z1) simulating the heart palpation tremor/friction feeling is arranged on the surface of the E (y 4) T (y 5), a vibration film is not arranged on the heart murmurmur conduction loudspeaker (yc 1-yc 4), and a synchronous vibration film (Z2) simulating the lung palpation sign is arranged on the surface of the lung palpation auscultation part loudspeaker (y 6-y 20).
The invention has the advantages that: the multifunctional chest examination device is reasonable in structure, convenient to operate and complete in function, can comprehensively simulate visual examination, palpation, percussion and auscultation signs of chest examination, and can remarkably improve the training and examination quality of chest examination skills.
Description of the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention
FIG. 2 is a schematic view of a device for simulating respiratory movement according to the present invention
FIG. 3 is a schematic diagram of a device for simulating precordial elevation and precordial beating according to the present invention
FIG. 4 is a schematic view showing the structure of the cardiopulmonary percussion simulation apparatus of the present invention
In the schematic diagram, diagram A is a schematic diagram of the whole structure
B is a schematic view of part installation
FIG. 5 is a schematic view of a simulated cardiopulmonary palpation auscultation device of the present invention
In the schematic diagram, A is a front view schematic diagram of the cardiopulmonary palpation simulating auscultation device
B is a schematic rear view of the cardiopulmonary palpation simulating auscultation device
FIG. 6 is a schematic diagram of the circuit control principle of the present invention
In the schematic diagram, the PC is a computer; DC is a rectification power supply; a. b and c are both
FIG. 7 is a schematic diagram of network multimedia teaching network connection according to the present invention
Detailed Description
The invention relates to a simulation human chest examination model skin silicon rubber or thermoplastic elastomer mold molding, the simulation subcutaneous tissue is composed of thin sponge, the model is molded by TPU plastic film or rubber mold, the model skeleton is made of resin or plastic, other parts are sold in the market, after various parts are prepared, the model can be assembled according to the attached drawing, the clinically collected hundreds of chest and abdomen examination visual diagnoses, palpation, percussion, auscultation physical signs and audio and video such as electrocardiogram, ultrasonic image, CT sheet, X-ray sheet and the like are classified and edited together with a large amount of pictures, texts, sounds and image data such as 2D, 3D animation, voice, character explanation and the like, the picture, texts, sounds and image data of the physical signs are stored in a computer hard disk, when in use, the selected physical sign names in the tree catalog of the chest case physical signs are clicked, the pictures, texts, sounds and image explanation data of the physical signs are called out, thereby greatly deepening the comprehension of knowledge of students, when the chest examination skill is trained or examined, various keys for the chest examination skill training are arranged on the tree-shaped catalog on the computer display screen at the relevant parts of the selected simulation chest examination model; when the lung visual examination skill training is carried out, the power supply of a stepping motor (HB-2) controlled by a stepping motor driver (HB-1) of a breathing motion simulation device arranged in the Chassis (CA) is switched on by clicking a breathing motion key (K1), the motor shaft is fixedly connected with a crank (57) and is connected with the front part of a sliding block (60) in a sliding chute (59) through a connecting rod (58), the top end of the slide block is connected with a folding type telescopic bag (15) to be compressed, air is discharged out of a Case (CA) through a long air duct (16) connected with the other side of the bag and connected with a long air duct in a simulation chest human body model (1) to form a simulation air duct (17), enters a left simulation bronchus (11) and a left simulation lung sac (7) positioned below a chest simulation skin layer after entering a tee joint (T3) arranged in a chest cavity, and enters a simulation right bronchus (12) and enters a right simulation lung sac (18) positioned below the chest simulation skin layer through a normally open electromagnetic valve (F); the lung bags on the two sides are inflated and expanded simultaneously to enable the chest to bulge to form simulated inspiratory motion, the motor rotates 180 degrees, the top end of the sliding block is connected with the compressed folding type telescopic bag (15) to recover to form negative pressure, air in the lung bags is sucked into the folding type telescopic bag (15), the left lung bag and the right lung bag are deflated, and therefore the expanded chest is recovered to form the simulated inspiratory motion; the motor continues to rotate, so that the simulated inspiration motion and the simulated expiration motion are alternately carried out, and the simulation is carried out in a circulating manner repeatedly and circularly, and the simulated breathing motion is formed. Clicking a breath disappearance key (K2) on one side, and electrifying and closing a normally open electromagnetic valve (F) on the side to ensure that no air enters the lung bag on the side and cannot be expanded, the breath motion on the side disappears, all air compressed by the folding type telescopic bag (SN) enters the lung bag on the other side, the expansion and expansion amplitude of a large amount of air on the lung bag on the side is doubled, and the breath motion on the other side is enhanced; three function selection keys are arranged for regulating the breathing movement speed, the rotating speed of the stepping motor is correspondingly changed through the regulation of the single chip microcomputer, so that the breathing movement speed is regulated, a breathing movement acceleration key (K3-1) is clicked, and the rotating speed of the stepping motor is regulated by the single chip microcomputer to be increased to 60 times/min to simulate the breathing frequency acceleration sign; clicking a normal respiration rate key (K3-2) to adjust to 20 times/min, and simulating normal respiration rate signs; clicking a respiratory motion slow key (K3-3), and adjusting the respiratory frequency to 60 times/min to simulate the respiratory frequency acceleration sign; adjusting respiratory frequency to 20 times/min, and simulating normal respiratory frequency signs; clicking the respiratory movement slow key (K3-3) adjusts the respiratory frequency to 10 times/min, and simulates the sign of too slow respiratory frequency. When the heart visual examination skill training is carried out, a precordial bulge key (K5) is clicked, the power of a gear pump (cb) and an electromagnetic valve (F2) of a precordial bulge capsule (29) is switched on, and the pump pumps water from a water tank (41) and injects the water into the capsule to bulge the capsule, so that the precordial bulge signs of the heart visual examination are simulated; when the apex and precordial region pulse visual examination and palpation examination are carried out, an apex pulse key (K7) which is shifted leftwards and downwards is clicked to switch on an electromagnet (20) which simulates the apex pulse which is shifted leftwards and downwards, and a top column (21) of an iron core of the electromagnet is pushed and pulled according to the pulse frequency rhythm sent by a pulse module (22), so that the apex pulse which is shifted leftwards and downwards is simulated; similarly, clicking the subxiphoid beat key (K8), the 2 nd intercostal beat key (K9) at the left edge of the sternum and the second intercostal beat key (K10) at the right edge of the sternum forms the precordial beat of the corresponding part; when the simulation cardiopulmonary percussion examination is carried out during cardiopulmonary percussion, firstly, a reset/clear sound key (K11) is clicked, the power supply of a gear pump (54) and a vacuum pump (56) is automatically switched on under the control of a single chip microcomputer, the liquid in the cardiopulmonary percussion capsule after the last training of cardiopulmonary percussion skill is pumped into a water tank (41) through a corresponding opened electromagnetic valve, the air in the capsule is evacuated to complete reset, and the lung percussion sound is enabled to present clear sound emitted by sponge simulating alveoli; the percussion drum sound key (K13) is connected with the power supply of an air pump (54) and an electromagnetic valve (F6) connected with a drum sound bag (55), so that air enters the drum sound bag (55) through the opened electromagnetic valve, and the lateral chest part is percussed to form drum sound, thereby simulating the percussion physical sign of pneumothorax; clicking a voiced sound key (K14), switching on a power supply of a gear pump and an electromagnetic valve (F7) communicated with a voiced sound sac (52), pumping water from a water tank (41) by the gear pump (cb) through the opened electromagnetic valve into the voiced sound sac (52) positioned between two sponge layers, and knocking local parts to be voiced sound at the moment; the real sound key (K15) is clicked to connect a gear pump (cb) and a power supply of an electromagnetic valve (F9) communicated with the real sound bag (55), the gear pump (cb) pumps water from the water tank (41) and pumps the water into the real sound bag (55) through the opened electromagnetic valve, and the chest at the side is knocked to be real sound at the moment, so that the knocking signs of the pleural effusion are simulated; firstly, resetting the heart percussion method, namely, selectively clicking a normal heart boundary key (K16), a pear-shaped heart key (K17), a boot-shaped heart key (K18), a common large heart key (K19) and a triangular flask heart key (K20) in sequence, turning on a corresponding power indicator light to switch on a gear pump (cb) and a corresponding electromagnetic valve (F1-F5) to supply power, pumping water from a water tank by the gear pump to inject into the corresponding heart boundary capsule, namely, the normal heart boundary capsule (46), the pear-shaped heart capsule (47), the boot-shaped heart capsule (48), the common large heart capsule (49) and the triangular flask-shaped heart capsule (50); the heart is tapped according to the conventional heart tapping method to obtain the corresponding shape of the heart boundary; when a percussion sign is changed during cardiopulmonary percussion, resetting is carried out firstly and then the next sign key is clicked; when carrying out cardiopulmonary percussion skill examination, select by the teacher and set for cardiopulmonary percussion sign, need click examination withdrawal key (K21) this pilot lamp and light, the pilot lamp of setting for the sign extinguishes, and respiratory motion analogue means structure is: a stepping motor (JC) controlled by a stepping motor driver (JB), wherein a motor shaft of the stepping motor (JC) is fixedly connected with a crank (GZ) and is connected with the front part of a slide block (HK) in a chute (HZ) through a connecting rod (LM), the top end of the slide block is connected with a folding type telescopic bag (15), and the other side of the bag is connected with a long air Duct (DG) and is taken out of a Case (CA) to be connected with a simulation chest human body model (1); the long air duct entering the simulation chest examination human body model (1) becomes a simulation air Duct (DG) which is connected with an air flow regulating valve (DOC) arranged in the chest cavity, then the simulation air duct is divided into a left simulation bronchus (11) and a left simulation lung sac (7) positioned below a chest simulation skin layer after passing through a tee joint (TP), the other end of the simulation air duct is connected with a simulation right bronchus (12) and a normally open electromagnetic valve (F), so that a flow hole of the valve is slightly enlarged (the valve is leaked when being electrified and closed), and then the simulation air duct is connected with a right simulation lung sac (8) positioned below the chest; the structure of the simulated heart visual inspection anterior cardiac bulge is as follows: a ventricular sac (29) simulating the elevation of the precordial region is arranged under the precordial region of a simulation chest human body model (1) in a subcutaneous mode, the sac is connected with an electromagnetic valve (F2) and a gear pump (cb) through a catheter (29-1), and the structure of the device for simulating the visual inspection and the palpation of the precordial region is as follows: a negative apex beating point (35), a left and right shift apex beating point (30), a 4 intercostal beating point (36) at the left edge of the sternum, a subxiphoid beating point (31), a second intercostal beating point (32) at the left edge of the sternum, a second intercostal beating point (33) at the right edge of the sternum and the like, and a micro push-pull electromagnet (DCT-1-DCT-2-DCT-3) controlled by a pulse generation controller (MQ) is arranged near the positions, the top end (34) of the push-pull rod is used as the power of the pulsation, but the power of the negative apical pulsation is the power of the negative pulsation by using the tail end (61) of the push-pull electromagnet push-pull rod, so as to take the measure of avoiding the heart percussion capsule without influencing the arrangement of the heart percussion capsule, a strip-shaped arm (62) is arranged at the top end of an apex/precordial region pulsation electromagnet which influences the arrangement of the heart percussion capsule, and a short apical pole (63) simulating precordial region pulsation is arranged above the far end of the arm; the negative apex beating point (35) fixes the push-pull rod of the electromagnet at the inner side of the skin of the corresponding part of the precordial region in a reverse direction, namely the top of the push-pull rod of the push-pull electromagnet (64) is rotated to be empty, two sides of the push-pull rod are fixed on the inner wall of the chest, the bottom of the push-pull rod is provided with a strip-shaped arm (65), and the far end of the arm is provided with a pulling rope (66) which is stuck on the inner surface of the simulated skin of the negative apex beating point; the second scheme of simulating the structure of the precordial beating device is as follows: the precordial region pulse simulation device is characterized in that a speed reducer motor speed regulator (GM-2) is used for controlling a miniature speed reducer motor (DCO), a motor shaft is fixedly connected with a crank (28), a crank connecting sliding rod (29) penetrates into a linear bearing (30), and the device is used for replacing a belt push-pull electromagnet (31); the structure of the simulated cardiopulmonary percussion device for adjusting the heart rate by adopting the DC motor speed regulator (32) is as follows: a water tank (41) is arranged in the chest cavity of a human body model (1), a gear water pump (cb) and an electromagnetic valve (F1-F6) which are arranged in the abdominal cavity of the model and are controlled by circuit programming of an AT89S 51 singlechip (B) in a microcomputer controller are connected through a conduit (38), the pump input pipe (42) is connected with the output pipe (43) of the water storage bag (41) and is connected with one end of the multi-way pipe (39) through a guide pipe (DG), each branch pipe (fg 1-fg 6) of the multi-way pipe is respectively connected with a simulated normal heart boundary bag (46) at the inner side of the front wall of the chest, a pear-shaped heart bag (47), a boot-shaped heart bag (48), a common large heart bag (49), a triangular flask-shaped heart bag (50) and a solid sound bag (55) at one side of the inner wall of the chest through electromagnetic valves (F1) - (F6), the above capsules are positioned on the sponge layers (51-1) (51-2) of the left lung and the right lung for simulating the clear sound of the lung; a voiced sac (52) is arranged between two layers of sponges of which one side simulates the clear lung sounds and is connected with an electromagnetic valve (F7) and a branch pipe (fg-7)) through a catheter (DG); { refer to the cardiopulmonary percussion instruction and the modification of the drawing }, a simulated passing-clearing sac (53) is arranged between two layers of sponges (51-1) (51-2) for simulating the clearing of the lungs on two sides, and is connected with a three-way pipe (ST-1) through a catheter (DG), and then is respectively connected with a gas injection electromagnetic valve (F8), a micro air pump (54), a gas extraction electromagnetic valve (F9) and a micro vacuum pump (56) through another three-way pipe (ST-2); the real sound sac (55) tightly attached to the inner wall of the chest at one side is provided with a simulation air chest sac (52), a three-way pipe (ST-3) is connected through a guide pipe (DG), and one end of the three-way pipe is connected with an air injection electromagnetic valve (F8) and a micro air pump (54) through the guide pipe; the other end is connected with an air exhaust electromagnetic valve (F9) and a micro vacuum pump (56) through a conduit; during chest examination skill training or examination, precordial tremor, pericardial friction feeling, pleural friction feeling and tactile speech tremor simulated by the tremor membrane can be touched at the relevant parts of the selected simulation chest examination model, and heart sounds, murmurmurs, pericardial friction sounds, breath sounds, pleural friction sounds and dry and wet rales emitted by the corresponding part sound generators (Y1-Y20) can be heard by using a stethoscope.