CN220041259U - Atrioventricular node dual-path supraventricular tachycardia demonstration model - Google Patents
Atrioventricular node dual-path supraventricular tachycardia demonstration model Download PDFInfo
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
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Abstract
The utility model discloses an atrioventricular node dual-path supraventricular tachycardia demonstration model in the technical field of cardiac arrhythmia models, which comprises a base, a lamp loop, lamp beads, a ventricular model and an atrial model, wherein the base is provided with a lamp loop; the base is a base which is stably supported, and the controller and the display screen are arranged on the base; the ventricular model and the atrial model are fixedly erected on the base, the ventricular model is positioned right below the atrial model, and an electrocardiographic physiological mechanism of the atrial-ventricular junction double-path ventricular tachycardia is complicated and tarnished in arrhythmia teaching, so that the understanding difficulty is high. Through the display of the model, the abnormal electrocardiographic paths of the supraventricular tachycardia of the dual-path mechanism of the atrioventricular node can be intuitively displayed, so that the teaching is easier; and each conduction mode is displayed with the matched electrocardiogram waveform through the display screen, so that students can understand the disease mechanism and process more easily, understand the corresponding electrocardiogram is promoted, and teaching is more vivid and visual.
Description
Technical Field
The utility model relates to the technical field of cardiac arrhythmia models, in particular to an atrioventricular node dual-path supraventricular tachycardia demonstration model.
Background
The heart beating and blood supply flow is completed through contraction and relaxation of a left atrium and a right ventricle, the flow principle of blood in the heart is that the right atrium contracts, blood in the right atrium can be pumped into the right ventricle, venous blood can be pumped into a pulmonary artery when the right ventricle contracts, the pulmonary is filled with oxygen sucked into the body from the outside, and the combination of the venous blood and the oxygen in the pulmonary becomes arterial blood; after the arterial blood is collected by the left atrium, the arterial blood in the left atrium is pumped into the left ventricle when the left atrium contracts, and the arterial blood is pumped into the aorta and important branches thereof when the left ventricle contracts, so as to supply blood and oxygen to various organs.
The heart beating principle relies on the electric activity to generate impulse, the electric activity of the heart is normally generated by the sinoatrial node, the impulse generated by the sinoatrial node is actually a representation of bioelectricity, when the sinoatrial node P cells generate electric activity, the sinoatrial node transmits the electric activity to the atrium, when the atrium senses the electric activity of the sinoatrial node, the atrium is contracted, the atrium blood is pumped to the ventricle when the atrium contracts, the electrocardio excitation is transmitted to the ventricle from the atrium through the atrioventricular node, the ventricular contraction occurs, and the blood of the ventricle is pumped out of the heart when the ventricle contracts, so that a complete heartbeat activity is completed.
The atrioventricular node has a conductive and excitatory effect. The sinus node is the pacing site of the normal sinus rhythm of the heart, and the electrical excitation of the heart by the sinus node is transferred to the atrioventricular node via the atria and then enters the ventricular muscle via the his bundle, which can lead to systole and ejection of blood. In addition to conduction, the atrioventricular node also plays a pulsating role, and the atrioventricular node itself can produce electrocardiographic excitation, causing systole and ejection of blood. When the pacing points such as sinus node and atrium are abnormal, the atrial node can generate the electrocardio excitation and cause the ventricular beat when the atrial conduction block occurs in the lesion of the anterior area of the atrial node.
The sinus node of humans is located at the junction of the superior vena cava and the right atrium, and is generally in a flat oval configuration. Normally, the atrioventricular groove formed by the endocardial cushion and the central fibrous body, and the annular tissue divide the atria and ventricles, and the atria and ventricles are electrically isolated except at the atrioventricular junction. The heart chamber is required to be contracted by impulse stimulation of bioelectricity, bioelectricity emitted by the sinus node can enter the heart chamber after passing through the atrium, the atrioventricular node and the bundle of his in sequence, the impulse of the bioelectricity of the sinus node to the heart is firstly that the left atrium and the right atrium are simultaneously impulse contracted, then the bioelectricity is transmitted to the heart chamber through the atrioventricular node, and the left ventricle and the right ventricle are also impulse contracted later to complete the blood pumping process.
The atrioventricular node is positioned below the endocardium of the right atrium side at the lower part of the atrial septum, is flat elliptic and is smaller than the sinus node, and the front lower end of the node is continuously provided with a his bundle. The function of the atrioventricular node is to transfer impulses from the sinus node to the ventricles, and the impulses are briefly delayed in the node so that the atrial and ventricular muscles do not contract at the same time. Therefore, the blood can be accurately guided and pumped in sequence, and under normal conditions, the atrioventricular node does not independently generate impulse.
The normal atrioventricular node has only one conductive path so as to ensure that a single channel ensures that the stimulation of the ventricles is stable and can not be subjected to redundant electrical stimulation, and the atrioventricular node of a human heart is diseased, which is possibly caused by the occurrence of problems in left sinus orifice cardiac muscle, atrioventricular border region cardiac muscle or special annular embryo tissues. Abnormal human heart may have atrioventricular node dual path or multipath, and may be clinically manifested as supraventricular tachycardia, abbreviated as "supraventricular tachycardia", one of the most common arrhythmias. Supraventricular tachycardia refers to a group of tachyarrhythmias in which the site of ectopic activation formation or reentry loop is above the bundle bifurcation.
Tachycardia is usually sudden in onset and termination, and is frequently <200 times/minute in young patients without organic heart disease, is generally short in duration, is mostly only sudden palpitations, is sometimes accompanied by fear, anxiety and urination, is frequently over 200 times/minute in patients with organic heart disease, and is long in duration, and can cause insufficient blood supply to organs such as heart brain and the like, resulting in blood pressure drop, dizziness, amaranth, angina, heart failure and the like. The pulse is weak, auscultation can sound a rapid, regular and even heart rhythm, and jugular vein pulsation is consistent with the heart rhythm.
The human body has two conduction paths with different performances, namely an atrioventricular node double-path, and the possibility of multipath paths in the atrioventricular node double-path atrioventricular node; but is an abnormal electrocardiographic conduction process, the heart is subjected to impulse generated by two paths and is difficult to display in a heart model, the situation is not only difficult to display, but also difficult to explain clearly, so that the current situation is difficult to learn by students, the situation of the patients is different, each different problem has different electrocardiographic reactions on the electrocardiographic conduction of the atrioventricular node path, the same disease has a plurality of different electrocardiographic reactions, the teaching difficulty is greatly increased, the electrocardiograph is instantaneous and cannot be observed at all, the heart cannot be completed through dissection, the heart is not jumped for people to observe, and the current path situation is not seen, so that the teaching of the disease symptoms completely depends on abstract explanation of teachers and understanding ability of students, the transmission limitation of knowledge is too great, and especially the clinical trainees have difficulty in deeply observing and learning the disease mechanism in the learning process.
Based on the above, the utility model designs an atrioventricular node dual-path supraventricular tachycardia demonstration model to solve the problems.
Disclosure of Invention
The utility model aims to provide an atrioventricular node dual-path supraventricular tachycardia demonstration model which can intuitively demonstrate an abnormal cardiac conduction path of the atrioventricular node dual-path supraventricular tachycardia, so that unintelligible people intuitively observe various conduction modes of the dual-path atrioventricular node supraventricular tachycardia through a lamp loop, and the teaching and learning are easier; and each conduction mode is displayed by a display screen to be matched with the electrocardiogram waveform, so that students can understand symptoms and the electrocardiogram more easily, teaching is lively, visual memory is generated more easily, and doctors and instructors can explain abstract conduction modes more conveniently and clearly.
The utility model is realized in the following way: an atrioventricular node dual pathway supraventricular tachycardia demonstration model comprising:
the device comprises a base, a lamp loop, lamp beads, a ventricular model and an atrial model;
the base is a base which is stably supported, and the controller and the display screen are arranged on the base;
a ventricular model and an atrial model are fixedly erected on the base, and the ventricular model is positioned right below the atrial model;
the lamp loop is an annular substrate which is vertically arranged, a vertical stabilizing frame of the lamp loop is arranged between the ventricular model and the atrial model, the top and the bottom of the lamp loop are both connected with a lamp end path, the lamp end path at the bottom is fixedly connected with the ventricular model, and the lamp end path at the top is fixedly connected with the atrial model;
the front side surfaces of the lamp loop and the lamp end path are provided with a plurality of lamp beads, the lamp beads are distributed in an annular shape along the vertical surface of the lamp loop, the luminous surface of the lamp beads faces forwards, and the lamp beads form a plurality of annular luminous circuits;
the annular luminous lines formed by the lamp beads are respectively connected with the controller, and the display screen is also respectively connected with the controller.
Further, the annular light-emitting circuit formed by the plurality of lamp beads comprises a first lamp ring, a second lamp ring, a third lamp ring and a fourth lamp ring;
the first lamp ring, the second lamp ring, the third lamp ring and the fourth lamp ring are connected in parallel, and are all connected with the controller independently;
the first lamp ring, the second lamp ring, the third lamp ring and the fourth lamp ring are all not mutually shielded and are uniformly distributed on the lamp ring in a ring shape;
the first, second, third and fourth light rings are not started at the same time.
Further, the first lamp ring is formed by surrounding green lamp beads, the second lamp ring is formed by surrounding yellow lamp beads, the third lamp ring is formed by surrounding orange lamp beads, and the fourth lamp ring is formed by surrounding red lamp beads; the lamp beads on the lamp end path comprise green and red columns.
Further, a cover plate is covered on the lamp loop, a cavity is formed between the bottom plate of the lamp loop and the cover plate, and the lamp beads are arranged in the cavity formed by the cover plate and the lamp loop;
the cover plate is a light guide plate, the lamp loop and the cover plate are elliptical flat plates with the same shape and size, the inner ring and the outer ring of the lamp loop are provided with baffle plates, the inner ring and the outer ring of the lamp loop form a groove structure, and the cover plate is clamped in the grooves of the inner ring and the outer ring of the lamp loop.
Further, the display screen is a digital display;
the base is internally provided with a battery, the controller is electrically connected with the battery, and the controller is a singlechip.
The beneficial effects of the utility model are as follows: 1. the utility model displays the double paths of the atrioventricular node through the lamp loop, so that the disease is more vividly known, the internal conduction path of the atrioventricular node is enlarged to be displayed as a model, the model is more vivid, and the conduction path of the electrocardiograph impulse is displayed by encircling the lamp beads into a ring shape to be lighted or extinguished, the display is more visual and accurate, and the electrocardiograph conduction of the atrioventricular node is more vivid;
2. the four annular lamp paths with different colors of the first lamp ring, the second lamp ring, the third lamp ring and the fourth lamp ring are used for displaying different conduction modes one by one, so that different conduction conditions of the atrioventricular junction double-path ventricular upper tachycardia can be displayed more clearly and definitely;
3. the device has increased the display screen, the content of adjustment show that can be convenient to can match with different lamp rings, can match the electrocardiograph wave form that corresponds to ventricular node different conduction mode, thereby make the teaching more directly perceived, can be more accurate, the teaching is more vivid, the abstract picture of explanation no longer, but more true simulation room node electrocardio conduction.
Drawings
The utility model will be further described with reference to examples of embodiments with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram showing the distribution of the lamp beads on the lamp ring according to the present utility model;
FIG. 3 is a schematic cross-sectional view of a single-sided lane change of the lamp loop of the present utility model;
FIG. 4 is a schematic diagram of the lamp loop versus normal heartbeat conduction of the present utility model;
FIG. 5 is a schematic diagram of the lamp loop of the present utility model conducting air up speed;
FIG. 6 is a schematic diagram of the lamp loop versus reverse conduction of the present utility model;
fig. 7 is a schematic diagram of the lamp loop versus cycle conduction of the present utility model.
In the drawings, the list of components represented by the various numbers is as follows:
1-base, 11-controller, 12-display screen, 2-lamp loop, 21-lamp end way, 22-apron, 3-lamp pearl, 31-first lamp ring, 32-second lamp ring, 33-third lamp ring, 34-fourth lamp ring, 4-heart chamber model, 41-atrium model.
Detailed Description
Referring to fig. 1 to 7, the present utility model provides a technical solution: an atrioventricular node dual pathway supraventricular tachycardia demonstration model comprising:
base 1, light loop 2, light beads 3, ventricular model 4, and atrial model 41;
the base 1 is a base which is stably supported, and the base 1 is provided with a controller 11 and a display screen 12;
a ventricular model 4 and an atrial model 41 are fixedly arranged on the base 1, and the ventricular model 4 is positioned right below the atrial model 41;
the lamp loop 2 is an annular substrate which is vertically arranged, a vertical stabilizing frame of the lamp loop 2 is arranged between the ventricular model 4 and the atrial model 41, the top and the bottom of the lamp loop 2 are both connected with a lamp end path 21, the lamp end path 21 at the bottom is fixedly connected with the ventricular model 4, and the lamp end path 21 at the top is fixedly connected with the atrial model 41;
the front side surfaces of the lamp loop 2 and the lamp end path 21 are provided with a plurality of lamp beads 3, the lamp beads 3 are distributed in a ring shape along the vertical surface of the lamp loop 2, the light emitting surface of the lamp beads 3 faces forward, and the lamp beads 3 form a plurality of ring-shaped light emitting circuits;
the annular luminous circuits formed by the lamp beads 3 are respectively connected with the controller 11, and the display screen 12 is also respectively connected with the controller 11, so that the abnormal electrocardiograph conduction paths of the dual-path supraventricular tachycardia of the atrioventricular node can be intuitively displayed, and therefore, unknown people can intuitively observe various conduction modes of the supraventricular tachycardia of the dual-path supraventricular node and the supraventricular tachycardia through the lamp loop, and teaching is easier; and each conduction mode is displayed by a display screen to be matched with the electrocardiogram waveform, so that students can understand symptoms and the electrocardiogram more easily, teaching is lively, visual memory is generated more easily, and doctors and instructors can explain abstract conduction modes more conveniently and clearly.
Wherein, the annular luminous circuit formed by a plurality of the lamp beads 3 comprises a first lamp ring 31, a second lamp ring 32, a third lamp ring 33 and a fourth lamp ring 34;
the first, second, third and fourth lamp rings 31, 32, 33 and 34 are parallel circuits, and the first, second, third and fourth lamp rings 31, 32, 33 and 34 are all separately connected with the controller 11;
the first, second, third and fourth lamp rings 31, 32, 33 and 34 are uniformly distributed on the lamp loop 2 in a ring shape which is not shielded by each other;
the first, second, third and fourth lamp rings 31, 32, 33 and 34 are not started at the same time, so that the structure can form a multi-line loop and display the electrocardio conducting route, and can display, analyze and explain different conducting conditions one by one;
the first lamp ring 31 is formed by surrounding the green lamp beads 3, the second lamp ring 32 is formed by surrounding the yellow lamp beads 3, the third lamp ring 33 is formed by surrounding the orange lamp beads 3, and the fourth lamp ring 34 is formed by surrounding the red lamp beads 3; the lamp beads 3 on the lamp end path 21 comprise two rows of green and red, the paths can be displayed through different colors, so that the line display can be distinguished, and the students can understand the increasing danger of the situation to the patient through the display degree of the colors, the green color indicates no danger, the yellow color indicates that the health of the patient can be endangered, the orange color indicates that the danger is generated, the heart beat disorder is easy to cause, the patient must be treated as soon as possible, the red color indicates that the patient is extremely dangerous, and the patient needs to be accurately judged by the detection of an electrocardiogram after the study of a trainee or students;
the lamp loop 2 is also covered with a cover plate 22, a cavity is formed between the bottom plate of the lamp loop 2 and the cover plate 22, and the lamp beads 3 are arranged in the cavity formed by the cover plate 22 and the lamp loop 2;
the cover plate 22 is a light guide plate, the lamp loop 2 and the cover plate 22 are elliptical flat plates with the same shape and size, the inner ring and the outer ring of the lamp loop 2 are provided with baffles, the inner ring and the outer ring of the lamp loop 2 form a groove structure, the cover plate 22 is clamped in the grooves of the inner ring and the outer ring of the lamp loop 2, so that light rays of the lamp beads 3 are conveniently diffused, a range of display is formed, the display light rays are soft, and the display is clear;
the display screen 12 is a digital display, the images displayed by the display screen 12 are a plurality of different electrocardiograph graphs, and the electrocardiograph waveforms displayed by the display screen 12 are regulated by the controller 11, so that different electrocardiograph waveforms can be displayed conveniently, and the adjustment can be matched with the lamp loop 2 conveniently;
the battery is arranged in the base 1, the controller 11 is electrically connected with the battery, the controller 11 is a singlechip, and the battery can be detached and installed and is convenient to use.
In one embodiment of the utility model:
the embodiment of the utility model provides an atrioventricular node dual-path supraventricular tachycardia demonstration model, which solves the technical problems that: 1. at present, the abnormal teaching and explanation of the electrocardiographic conduction of the atrial-ventricular junction dual-path ventricular tachycardia are difficult, the lack of real objects and pathological anatomy can be checked, only the teaching can be performed by virtue of dictation, the students can hardly learn the abnormal teaching, only the teaching can be performed by virtue of the teaching, the teaching mode is too abstract, students hardly understand the abnormal teaching, and doctor guide can hardly clearly explain the invisible path, so that the understanding of the students is hardly ensured to be deviated; 2. at present, the explanation is described on a graph or a heart anatomical graph, only a scribing line and a graph are needed, and the explanation is difficult to be clear; 3. dynamic electrocardiographic conduction and a substance which cannot be shot are difficult to explain, only data can be relied on for explanation, the conduction route is matched with an electrocardiogram for explanation, and abnormal conditions of the atrial-ventricular junction dual-path supraventricular tachycardia are more than one, so that the explanation and understanding are more complicated to distinguish, and the teaching and learning are difficult.
The technical problems solved by the utility model are as follows: through simple device, carry out the dynamic demonstration of living to the supraventricular tachycardia of two way of atrioventricular node, make teaching this kind of heart rate abnormality more directly perceived.
The technical effects are realized as follows: 1. according to the utility model, the double paths of the atrioventricular node are displayed through the lamp loop 2, so that the disease is more vividly known, the internal conduction path of the atrioventricular node is enlarged to be displayed as a model, the model is more vivid, and the conduction path of the electrocardiograph impulse is displayed by encircling the lamp beads 3 to be annular to be lighted or extinguished, so that the display is more visual and accurate, and the electrocardiograph conduction of the atrioventricular node is more vivid;
2. the four annular lamp paths with different colors of the first lamp ring 31, the second lamp ring 32, the third lamp ring 33 and the fourth lamp ring 34 are used for displaying different conduction modes one by one, so that different conduction conditions of the atrioventricular node double-path supraventricular tachycardia can be displayed more clearly and definitely;
3. the device has increased display screen 12, the content of adjustment show that can be convenient to can match with different lamp rings, can match the electrocardiograph wave form that corresponds to ventricular node different conduction mode, thereby make the teaching more directly perceived, can be more accurate, the teaching is more vivid, the abstract picture of explanation no longer, but more true simulation atrioventricular node electrocardio conduction.
The technical scheme in the embodiment of the utility model aims to solve the problems, and the overall thought is as follows:
in order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.
In the manufacturing process, a flat-plate-shaped base 1, a lamp loop 2, a lamp bead 3, a ventricular model 4 and an atrial model 41 are required to be manufactured;
the base 1 is a base which is stably supported, and the base 1 is provided with a controller 11 and a display screen 12;
a ventricular model 4 and an atrial model 41 are fixedly arranged on the base 1, and the ventricular model 4 is positioned right below the atrial model 41;
the lamp loop 2 is an annular substrate arranged vertically, the lamp loop 2 is an oval solid flat plate which can be made of aluminum alloy plates, the lamp loop 2 is light in weight and firm and durable, the lamp loop 2 can support an atrial model 41, a vertical stabilizing frame of the lamp loop 2 is arranged between a ventricular model 4 and the atrial model 41, the lamp loop 2 is a simulated atrial-ventricular node and is connected between the ventricular model 4 and the atrial model 41 in a frame mode to form a complete loop, and the lamp loop 2 plays a role in conduction and connection between an atrium and a ventricle. And the ventricular model 4 and the atrial model 41 need to be cross-sectional models showing the heart internal structure and marking the sinus node position inside the atrium to show the electrocardiographic conduction process and state, a light bulb 3 may also be installed between the sinus node and the upper light end 21 for showing the electrocardiographic conduction initiation path from the sinus node.
The lamp end path 21 at the bottom is fixedly connected with the ventricular model 4, and the lamp end path 21 at the top is fixedly connected with the atrial model 41;
the lamp end path 21 is connected to the top and the bottom of the lamp loop 2, the lamp loop 2 is stably erected between the ventricular model 4 and the atrial model 41 through a vertical annular bracket, the shape of the bracket needs to be the same as that of the lamp loop 2, and the bracket is made of a firm material, and the bracket needs to be firm and stable in order to erect the atrial model 41.
The front side surfaces of the lamp loop 2 and the lamp end path 21 are provided with a plurality of lamp beads 3, the lamp beads 3 are distributed in a ring shape along the vertical surface of the lamp loop 2, the light emitting surface of the lamp beads 3 faces forward, and the lamp beads 3 form a plurality of ring-shaped light emitting circuits; the annular light-emitting circuit composed of the plurality of lamp beads 3 includes a first lamp ring 31, a second lamp ring 32, a third lamp ring 33 and a fourth lamp ring 34;
the first, second, third and fourth lamp rings 31, 32, 33 and 34 are parallel circuits, and the first, second, third and fourth lamp rings 31, 32, 33 and 34 are individually connected with the controller 11;
the first lamp ring 31, the second lamp ring 32, the third lamp ring 33 and the fourth lamp ring 34 are all not mutually shielded and are uniformly distributed on the lamp loop 2 in a ring shape;
the first, second, third and fourth lamp rings 31, 32, 33 and 34 are not started at the same time, and the lamp beads 3 forming the same annular light-emitting circuit are started to be on or off linearly one by one, so that the lamp light forms a traveling state.
The first lamp ring 31 is formed by encircling green lamp beads 3, the second lamp ring 32 is formed by encircling yellow lamp beads 3, the third lamp ring 33 is formed by encircling orange lamp beads 3, and the fourth lamp ring 34 is formed by encircling red lamp beads 3; the lamp beads 3 on the lamp end path 21 comprise green and red columns
The annular luminous line formed by each lamp bead 3 is independently connected with the controller 11, the display screen 12 is also independently connected with the controller 11, the display screen 12 is a digital display, different images can be displayed according to requirements, the digital display belongs to a common device, the digital display is convenient to adjust, the controller 11 and the display screen 12 are required to be connected into a fixed display picture, the display screen 12 can be replaced by a display clamping groove, a card in the clamping groove can be replaced when the displayed lamp ring is replaced every time, the displayed card is an electrocardiogram waveform, the mode is used as the simplest structure, and the digital display can be replaced, but the definition is not like the digital display;
the controller 11 is a knob type switch and is started or extinguished with the control lamp beads 3 according to the requirement;
the battery is arranged in the base 1, the controller 11 is electrically connected with the battery, the controller 11 is a single chip microcomputer, the conventional control device for controlling the lighting time and the extinguishing time of the lamp beads 3 is adopted, the lamp beads 3 are required to be sequentially lighted and sequentially extinguished through the controller 11, a conduction path which is gradually lighted and gradually extinguished is formed through the lamp beads 3, a circuit is formed, the lighting mode is commonly used on a background lamp and an advertisement lamp, namely one lighting mode is sequentially lighted, a relay can be arranged in the controller 11, the lamp beads 3 are sequentially lighted and extinguished through the relay, and the lamp beads 3 of different loops of the first lamp ring 31, the second lamp ring 32, the third lamp ring 33 and the fourth lamp ring 34 can not be simultaneously lighted, the lamp beads in each loop can only be sequentially lighted, the lighted lamp ring line is a conduction abnormal line of a room junction, as shown in fig. 4 to 7, the dotted line is a conduction node, and the arrow direction is a conduction line.
The lamp loop 2 is also covered with a cover plate 22, a cavity is formed between the bottom plate of the lamp loop 2 and the cover plate 22, and the lamp beads 3 are arranged in the cavity formed by the cover plate 22 and the lamp loop 2;
the apron 22 is the light guide plate, lamp loop 2 and apron 22 are the oval flat board that the shape and size are the same, the inner ring and the outer loop of lamp loop 2 have all set up the baffle, the recess structure is constituteed to the inner and outer ring baffle of lamp loop 2, apron 22 presss from both sides in the recess of lamp loop 2 inner and outer loop, just so can make apron 22 spread and filter the light of lamp pearl 3, not only can show the electrocardio conduction path through the illumination of lamp pearl 3, also can make the luminous of lamp pearl 3 more even, not only dazzling, can also avoid light to form punctiform, form the scope form with light through the apron 22 of leaded light, so when lamp pearl 3 does not break the bright or go out, just form flaky scope formula diffusely through apron 22.
When the utility model is used, the controller 11 is a knob type switch, at least 5 corresponding lighting circuits are provided for controlling the starting or the extinguishing of the lamp beads 3, the initial point is to close all the lamp beads 3, the display screen 12 is also powered off and extinguished, and the other four gears are sequentially corresponding to the starting of the first lamp ring 31, the second lamp ring 32, the third lamp ring 33 and the fourth lamp ring 34, and the display screen 12 is started to display matched electrocardiographic patterns; the single chip microcomputer is arranged in the controller 11 to control the lighting mode of the first lamp ring 31, the second lamp ring 32, the third lamp ring 33 and the fourth lamp ring 34 and the time interval of each lamp bead 3, so that the electric lighting time length and the electric lighting sequence of the lamp beads 3 on the lamp ring 2 can be conveniently controlled;
when the controller 11 selects the knob to the first lamp ring 31 to start, the first lamp ring 31 is shown in the state of fig. 4, the first lamp ring 31 is green, the sinus node extends to the left and right sides of the lamp ring 2 through the upper lamp end path 21 and moves to the lower lamp end path 21, the lamp beads 3 are turned on and off in the mode of turning on the upper lamp beads 3, then the lamp beads 3 which extend downwards in sequence are gradually turned on, then after the fourth lamp bead 3 is turned on, the uppermost lamp bead 3 is turned off to form a state that the lamp bead 3 extends downwards continuously, in fig. 4, the left green lamp bead 3 is turned on to be turned off at the position of a broken line to stop, the green lamp beads 3 on the right side continuously travel to the lamp end path 21 below to extend downwards, and simultaneously, the lamp end path also clockwise surrounds to the left side of the broken line, the lamp end path is extinguished, a state that a loop stops from the broken line is formed, when the controller 11 turns on the first lamp ring 31, the lamp beads 3 on the left and right sides of the first lamp ring 31 of the lamp loop 2 are continuously displayed according to the state, the lamp beads 3 on the left and right sides of the lamp loop 2 have time difference, the two sides of the lamp beads travel to the broken line at the same time to extinguish the broken line and stop surrounding, and the controller 11 starts the display screen 12 to display a matched electrocardiogram pattern.
When the controller 11 turns on the second lamp ring 32, the other lamp rings are turned off, only one group of lamp rings can be started at a time, the lighting sequence of fig. 5 is slightly different from that of fig. 4, fig. 5 is that the yellow lamp beads 3 of the second lamp ring 32 continuously travel from top to bottom to the lamp end path 21 below according to the arrow direction and then are turned off, the lamp beads 3 at the broken line position are all turned off from the path of the right lamp loop 2, the showing path of the yellow lamp beads 3 stops at the broken line position at the right side, the lamp beads 3 at the right side in fig. 5 are turned on to the broken line position until the lamp beads 3 at the left side also extend to the broken line position at the right side, and the lamps at two sides of the broken line are simultaneously turned on to the broken line position and turned off. The second light ring 32 is all turned off at the same time and the controller 11 controls the display 12 to show a matching electrocardiogram pattern.
When the controller 11 turns on the third lamp ring 33, the state is shown as a state of fig. 6, the third lamp ring 33 is the orange lamp bead 3, the third lamp ring 33 has no broken line, the lamp bead 3 is shown to travel from the upper lamp end path 21 to the lower lamp end path 21 along the left lamp loop 2, and simultaneously returns to the upper lamp end path 21 along the right lamp loop 2, so that reverse travel is formed, and when the lamp bead 3 is totally lighted up from top to bottom, the lamp bead 3 is totally extinguished after reversely extending back to the top lamp end path 21, and matched electrocardio patterns are displayed through the display screen 12;
the controller 11 adjusts the switch of the fourth lamp ring 34 to be turned on, the display state is the direction indicated by the arrow of fig. 7, at this time, the fourth lamp ring 34 is the fourth lamp ring 34 formed by the red lamp beads 3, the fourth lamp ring 34 is the lamp end path 21 which is moved from the top to the bottom along the left lamp loop 2, and one path of branches is returned to the top along the right lamp loop 2 and repeatedly and circularly turns on the lamp loop 2 anticlockwise, the lamp beads 3 are continuously moved and gradually turned on and off, and meanwhile, the display screen 12 displays a matched electrocardiogram model;
the paths can be displayed in different colors, so that the line display is distinguished, different progress of diseases can be represented by displaying in different colors, and in some cases, the occurrence and development processes of one symptom can be represented. Green indicates normal conduction, while yellow indicates that abnormality has occurred, while orange indicates that abnormality is further exacerbated, and the patient may have clinical symptoms red to indicate abnormality progression and persistence, rapid onset of the room. And after the study of the trainees or students, the condition of the patient can be accurately judged through the detection of the electrocardiogram.
Such demonstration, the lamp pearl 3 can form the dynamic route of marcing, be convenient for study and watch, deepen the memory, this kind of demonstration is far more vivid than abstract explanation, and the electrocardio line way can't carry out the demonstration in kind at all moreover, also can't show the manual drawing demonstration, this kind of room knot dual path room upper property tachycardia must be through dynamic route demonstration just can be clear and definite, also can let the more clear understanding of learner, just rely on abstract explanation and understanding very easily to produce misunderstanding, on the contrary lead to learning wrong theoretical knowledge.
In addition, in the description of the present utility model, it should be noted that, if terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "rear", "top", "bottom", etc. are presented, the indicated orientation or positional relationship is based on that shown in the drawings, only for convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the indicated apparatus or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
The controller 11, when implemented, is not limited to any type, such as the STM32F103 series MCU of ST company, as long as it selects the sequence and duration of the turn-on and turn-off of the lamp beads 3 to achieve this function from the prior art, and the control program is well known to those skilled in the art, and can be obtained without any inventive effort.
While specific embodiments of the utility model have been described above, it will be appreciated by those skilled in the art that the specific embodiments described are illustrative only and not intended to limit the scope of the utility model, and that equivalent modifications and variations of the utility model in light of the spirit of the utility model will be covered by the claims of the present utility model.
Claims (5)
1. An atrioventricular node dual path supraventricular tachycardia demonstration model, comprising: the device comprises a base (1), a lamp loop (2), lamp beads (3), a ventricular model (4) and an atrial model (41);
the base (1) is a base which is stably supported, and the base (1) is provided with a controller (11) and a display screen (12);
a ventricular model (4) and an atrial model (41) are fixedly arranged on the base (1), and the ventricular model (4) is positioned right below the atrial model (41);
the lamp loop (2) is an annular substrate which is vertically arranged, a vertical stabilizing frame of the lamp loop (2) is arranged between the ventricular model (4) and the atrial model (41), the top and the bottom of the lamp loop (2) are both connected with a lamp end path (21), the lamp end path (21) at the bottom is fixedly connected with the ventricular model (4), and the lamp end path (21) at the top is fixedly connected with the atrial model (41);
the front side surfaces of the lamp loop (2) and the lamp end path (21) are provided with a plurality of lamp beads (3), the lamp beads (3) are distributed in a ring shape along the vertical surface of the lamp loop (2), the light emitting surface of the lamp beads (3) faces forwards, and the lamp beads (3) form a plurality of ring-shaped light emitting circuits;
the annular luminous circuit formed by each lamp bead (3) is independently connected with the controller (11), and the display screen (12) is also independently connected with the controller (11).
2. An atrioventricular node dual-path supraventricular tachycardia demonstration model according to claim 1, wherein: the annular light-emitting circuit formed by the lamp beads (3) comprises a first lamp ring (31), a second lamp ring (32), a third lamp ring (33) and a fourth lamp ring (34);
the first lamp ring (31), the second lamp ring (32), the third lamp ring (33) and the fourth lamp ring (34) are parallel circuits, and the first lamp ring (31), the second lamp ring (32), the third lamp ring (33) and the fourth lamp ring (34) are all connected with the controller (11) independently;
the first lamp ring (31), the second lamp ring (32), the third lamp ring (33) and the fourth lamp ring (34) are uniformly distributed on the lamp loop (2) in a ring shape which is not mutually shielded;
the first lamp ring (31), the second lamp ring (32), the third lamp ring (33) and the fourth lamp ring (34) are not started at the same time.
3. An atrioventricular node dual-path supraventricular tachycardia demonstration model according to claim 2, wherein: the first lamp ring (31) is formed by encircling green lamp beads (3), the second lamp ring (32) is formed by encircling yellow lamp beads (3), the third lamp ring (33) is formed by encircling orange lamp beads (3), and the fourth lamp ring (34) is formed by encircling red lamp beads (3); the lamp beads (3) on the lamp end path (21) comprise two rows of green and red.
4. An atrioventricular node dual-path supraventricular tachycardia demonstration model according to claim 1, wherein: the lamp loop (2) is also covered with a cover plate (22), a cavity is formed between the bottom plate of the lamp loop (2) and the cover plate (22), and the lamp beads (3) are arranged in the cavity formed by the cover plate (22) and the lamp loop (2);
the cover plate (22) is a light guide plate, the lamp loop (2) and the cover plate (22) are oval flat plates with the same shape and size, the inner ring and the outer ring of the lamp loop (2) are provided with baffles, the inner ring and the outer ring of the lamp loop (2) form a groove structure, and the cover plate (22) is clamped in the grooves of the inner ring and the outer ring of the lamp loop (2).
5. An atrioventricular node dual-path supraventricular tachycardia demonstration model according to claim 1, wherein: the display screen (12) is a digital display;
the base (1) is internally provided with a battery, the controller (11) is electrically connected with the battery, and the controller (11) is a singlechip.
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