CN213025037U

CN213025037U - Dynamic model of blood circulation

Info

Publication number: CN213025037U
Application number: CN202022310257.0U
Authority: CN
Inventors: 王敏; 陈贝贝
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-16
Filing date: 2020-10-16
Publication date: 2021-04-20
Anticipated expiration: 2030-10-16

Abstract

The utility model discloses a dynamic model of blood circulation, which comprises a plate body, wherein a pulmonary capillary network is arranged above the surface of the plate body, an internal capillary network is arranged below the surface of the plate body, one end of the pulmonary capillary network is connected with a right ventricle through a pulmonary artery tube, the other end of the pulmonary capillary network is connected with the left atrium through a pulmonary vein tube, one end of the capillary network in vivo is connected with the right atrium through a vein tube, the utility model utilizes common materials to explore the way of blood circulation, integrates related series of experiments, expands the system applied to the whole blood circulation, changes from static state to dynamic state, really leads the blood to flow, avoids the low-level thinking of memorizing the hard back, therefore, the observation capability, the analysis capability and the summarization capability of the students can be effectively improved, the learning interest of the students is greatly improved, and the students can rapidly and sharply capture various characteristics and details of things.

Description

Dynamic model of blood circulation

Technical Field

The utility model relates to a teaching model technical field specifically is a blood circulation's dynamic model.

Background

In teaching, a teacher or a book often cannot directly form a three-dimensional image in the mind of a student, the three-dimensional image cannot be directly presented to the student, the student feels difficult to understand during learning, the aspects of blood flow and flow direction are difficult to imagine, and a teaching model can help the student to understand knowledge in a textbook more quickly.

The blood circulation model diagram in the current demonstration teaching material experiment teaching material has a lot of characters and arrows to represent the way of blood circulation, belongs to discontinuous texts, is not enough for students to understand, and can only remember hard backs, although a laboratory light model exists at present, the red light is arterial blood, the blue light is venous blood, but the blood does not really flow, and is not beneficial to the understanding of the students.

Disclosure of Invention

An object of the utility model is to provide a dynamic model of blood circulation to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a dynamic model of blood circulation, the package rubbing board body, plate body surface top is provided with the capillary network of lung, plate body surface below is provided with internal capillary network, capillary network of lung one end is connected with the right ventricle through the pulmonary artery pipe, the capillary network of lung other end is connected with the left atrium through the pulmonary vein pipe, capillary network of body one end is connected with the right atrium through the vein pipe, the capillary network of body other end is connected with the left ventricle through the arterial duct, the right atrium is located the top of right ventricle, the left atrium is located the top of left ventricle, just between right atrium bottom and the right ventricle top and between left atrium bottom and the left ventricle top all connect through the atrioventricular valve, be provided with first hemostasis point, connecting pipe and second hemostasis point on the arterial duct respectively, it is provided with the hemorrhage point to lie in the department between connecting pipe and the second hemostasis point on the arterial duct, the left ventricle and the right ventricle are both provided with water pumps, when in exhibition, fresh duck blood is added with anticoagulant, then 0.75% normal saline is used for dilution, the fresh duck blood is respectively filled into corresponding positions, the water pumps are opened, the blood of the left ventricle starts to flow out for body circulation, gas exchange and material exchange are carried out through a capillary network of the whole body, oxygen is consumed, the concentration of carbon dioxide is increased, a carbon dioxide generating device is arranged behind a plate body, bright red arterial blood can become dark red venous blood due to the introduction of a large amount of carbon dioxide and finally flows into the right atrium, then venous blood of the right ventricle is pressed out, pulmonary circulation is started, the venous blood reaches pulmonary capillaries, a large amount of oxygen is introduced, the dark red venous blood can become bright red arterial blood at the moment, the color change of the blood on the left side and the right side is very obvious, and due to the existence of bacteria and viruses in, the simulation experiment of students can be changed into red ink and blue ink, and corresponding results can be obtained.

As a further aspect of the present invention: the right atrium, the right ventricle, the left atrium and the left ventricle are all made of mineral water bottles, and the mineral water bottles are used, so that the structure is simple, the cost is low, and the classroom use is convenient.

As a further aspect of the present invention: the pulmonary artery, the vein, the pulmonary vein and the artery are all made of rubber tubes, and the rubber tubes are used, so that the structure is simple, the cost is low, and the use in class is convenient.

As a further aspect of the present invention: the atrioventricular valve is a valvular one-way valve.

As a further aspect of the present invention: the first hemostasis point and the second hemostasis point are both made of infusion controllers, and the bleeding points are made of drip tubes.

As a further aspect of the present invention: the pulmonary capillary network is used for gas exchange, and the intracorporeal capillary network is used for gas exchange and substance exchange.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses utilize common material to explore blood circulation's way, and integrate relevant series of experiments, the system of whole blood circulation is used in the expansion, from static to the transformation of dynamic representation, really let blood flow get up, avoid the low order thinking of the hard back of the body of dying, thereby can effectively promote student's observation ability, analysis ability and summary ability, student's interest in learning has been improved greatly, make the student can catch various characteristics and the details of things rapidly and sharply, and have the permanent enthusiasm of understanding and mastering various fresh things, cultivate the rigorous scientific attitude of student and the scientific spirit that the upright fact is required in the experimentation, use knowledge in class to extracurricular, experience the application of science in the life.

Drawings

Fig. 1 is a schematic diagram of a dynamic model of blood circulation.

In the figure: 1. a plate body; 2. a pulmonary capillary network; 3. the right atrium; 4. a right ventricle; 5. the left atrium; 6. a left ventricle; 7. a network of capillary vessels in the body; 8. pulmonary artery ducts; 9. an intravenous tube; 10. a pulmonary venous tube; 11. an arterial vessel; 12. a first hemostasis point; 13. a connecting pipe; 14. a second hemostasis point; 15. a bleeding point; 16. an atrioventricular valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, in an embodiment of the present invention, a dynamic model of blood circulation includes a plate body 1, a pulmonary capillary network 2 is disposed above a surface of the plate body 1, an intracorporeal capillary network 7 is disposed below the surface of the plate body 1, one end of the pulmonary capillary network 2 is connected to a right ventricle 4 through a pulmonary artery 8, the other end of the pulmonary capillary network 2 is connected to a left atrium 5 through a pulmonary vein 10, one end of the intracorporeal capillary network 7 is connected to the right atrium 3 through a vein 9, the other end of the intracorporeal capillary network 7 is connected to the left ventricle 6 through an artery 11, the right atrium 3 is located above the right ventricle 4, the left atrium 5 is located above the left ventricle 6, and the bottom of the right atrium 3 and the top of the right ventricle 4 and the bottom of the left atrium 5 and the top of the left ventricle 6 are both connected through an atrioventric, the utility model discloses a blood vessel hemostasis device, including arterial tube 11, connecting pipe 13, first hemostasis point 12, connecting pipe 14 and second hemostasis point 14 are provided with respectively on the arterial tube 11, it is provided with bleeding point 15 to lie in the department between connecting pipe 13 and second hemostasis point 14 on the arterial tube 11, all be provided with the suction pump in left ventricle 6 and the right ventricle 4.

During display, anticoagulant is added into fresh duck blood, then 0.75% normal saline is used for dilution, the duck blood is respectively filled into corresponding positions, a water pump is started, blood in a left ventricle 6 starts to flow out to perform body circulation, gas exchange and substance exchange are performed through a capillary network of the whole body, oxygen is consumed, the concentration of carbon dioxide is increased, a carbon dioxide generating device is arranged behind a plate body 1, bright red arterial blood is led in a large amount of carbon dioxide, dark red venous blood is finally led to flow to a right atrium 3, then venous blood in a right ventricle 4 is extruded out to start pulmonary circulation, reaches pulmonary capillaries, a large amount of oxygen is led in, the dark red venous blood is led in bright red arterial blood at the moment, the color change of the blood on the left side and the right side is obvious, and due to the existence of bacteria and viruses in the blood, the simulation experiment of students is changed to use red ink and blue ink, corresponding results can be obtained as well.

The right atrium 3, the right ventricle 4, the left atrium 5 and the left ventricle 6 are made of mineral water bottles.

And meanwhile, the mineral water bottle is used, so that the structure is simple, the cost is low, and the mineral water bottle is convenient to use in a classroom.

The pulmonary artery 8, vein 9, pulmonary vein 10 and artery 11 are made of rubber tubes.

By using the rubber tube, the structure is simple, the cost is low, and the classroom use is convenient.

The atrioventricular valve 16 is a valvular one-way valve.

The first hemostasis point 12 and the second hemostasis point 14 are both made of infusion controllers, and the bleeding point 15 is made of a dropper.

The pulmonary capillary network 2 is used for gas exchange, and the intracorporeal capillary network 7 is used for gas exchange and substance exchange.

The utility model discloses a theory of operation is:

when the approach of the body circulation and the lung circulation needs to be displayed, anticoagulant is added to fresh duck blood, then 0.75% normal saline is used for dilution, the duck blood is respectively filled into corresponding positions, a water pump is started, the blood of the left ventricle 6 starts to flow out to perform the body circulation, gas exchange and material exchange are performed through a capillary network of the whole body, oxygen is consumed, the concentration of the carbon dioxide is increased, a carbon dioxide generating device is arranged behind the plate body 1, bright red arterial blood is changed into dark red venous blood by introducing a large amount of carbon dioxide and finally flows into the right atrium 3, then venous blood of the right ventricle 4 is pressed out, the lung circulation is started, the venous blood reaches the capillary vessels of the lung, a large amount of oxygen is introduced, the dark red venous blood is changed into bright red arterial blood, the color change of the blood on the left side and the right side is obvious, and due to the existence of bacteria and viruses in the blood, the simulation experiment of students uses red ink and blue ink instead, and corresponding results can be obtained;

when the number of times that the medicine flows through the heart needs to be judged, a path is indicated by a white foam ball, the general intravenous injection position is in the superior vena cava, so the medicine firstly flows into the right atrium 3 and then enters the right ventricle 4, when the lung of a person is diseased, the white foam ball can reach a treatment point after passing through the heart once, if the treatment needs thigh injury, the white foam ball flows into the left atrium 5 after passing through the pulmonary circulation and then further enters the left ventricle 6, the systemic circulation is continuously started, and the number of times that the medicine passes through the heart is two;

when the hemostasis point needs to be judged, a first hemostasis point 12 and a second hemostasis point 14 are respectively simulated by using two infusion controllers, the first hemostasis point 12 simulates the proximal end, the second hemostasis point 14 simulates the distal end, a dropper simulates a bleeding point 15, a rubber membrane of the bleeding point 15 is opened, blood starts to flow out, at the moment, the first hemostasis point 12 is opened, the second hemostasis point 14 is closed, the blood continues to flow out, the first hemostasis point 12 is closed, the second hemostasis point 14 is opened, the bleeding point 15 does not bleed, and venous bleeding can be simulated as well;

when arteriosclerosis needs to be simulated, a cotton ball is inserted into the rubber tube, the flow speed and the flow of blood are affected, which indicates that when blood vessels are blocked, the blood pressure changes, the blood pressure at the blocked part is increased rapidly, blood vessel rupture or insufficient blood flow can be caused, and hypoxia of various tissues is caused.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a dynamic model of blood circulation, includes plate body (1), its characterized in that, plate body (1) surface top is provided with pulmonary capillary network (2), plate body (1) surface below is provided with internal capillary network (7), pulmonary capillary network (2) one end is connected with right ventricle (4) through pulmonary artery pipe (8), pulmonary capillary network (2) other end is connected with left atrium (5) through pulmonary venous duct (10), internal capillary network (7) one end is connected with right atrium (3) through venous duct (9), internal capillary network (7) other end is connected with left ventricle (6) through arterial duct (11), right atrium (3) are located the top of right ventricle (4), left atrium (5) are located the top of left ventricle (6), just right atrium (3) bottom and right ventricle (4) top between and left atrium (5) bottom and left ventricle (6) top All connect through atrioventricular valve (16) between the end, be provided with first hemostasis point (12), connecting pipe (13) and second hemostasis point (14) on arterial duct (11) respectively, it is provided with bleeding point (15) to lie in on arterial duct (11) between connecting pipe (13) and second hemostasis point (14), all be provided with the suction pump in left ventricle (6) and right ventricle (4).

2. A dynamic model of blood circulation according to claim 1, characterized in that the right atrium (3), right ventricle (4), left atrium (5) and left ventricle (6) are made of mineral water bottles.

3. A dynamic model of blood circulation according to claim 1, characterized in that the pulmonary artery (8), vein (9), pulmonary vein (10) and artery (11) are made of rubber tubing.

4. A dynamic model of blood circulation according to claim 1, wherein the atrioventricular valve (16) is a valvular one-way valve.

5. A dynamic model of blood circulation according to claim 1, wherein the first hemostasis point (12) and the second hemostasis point (14) are each made by a transfusion controller and the bleeding point (15) is made by a dropper.

6. A dynamic model of blood circulation according to claim 1, wherein the pulmonary capillary network (2) is used for gas exchange and the intracorporeal capillary network (7) is used for gas exchange and substance exchange.