CN210295601U - Human lung model teaching aid capable of simulating resistance change - Google Patents
Human lung model teaching aid capable of simulating resistance change Download PDFInfo
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- CN210295601U CN210295601U CN201921272766.XU CN201921272766U CN210295601U CN 210295601 U CN210295601 U CN 210295601U CN 201921272766 U CN201921272766 U CN 201921272766U CN 210295601 U CN210295601 U CN 210295601U
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Abstract
The utility model discloses a human lung model teaching aid capable of simulating resistance change. The human lung model teaching aid capable of simulating resistance change comprises an inverted Y-shaped simulated trachea and a conical simulated lung tissue; the cross section of the simulated trachea is oval, the top end of the simulated trachea is an annular film, and the lower end of the annular film is a one-way valve; the tail end of the simulated trachea is bifurcated left and right, and is respectively connected with the left part and the right part of the simulated lung tissue and is in gas communication with the left part and the right part of the simulated lung tissue. But human lung model teaching aid of simulation resistance sense change thorax deformation limit range when can simulate normally blowing, can simulate expiratory velocity under the normal condition to effectively solve the problem that training and actual conditions have the deviation.
Description
Technical Field
The utility model belongs to the technical field of medical teaching aid, a human lung model teaching aid is related to, especially, relate to a human lung model teaching aid that can simulate resistance and feel the change.
Background
In medical teaching, the human lung model can truly simulate the change of the human lung during artificial respiration, and the artificial respiration is one of the key measures of first aid, is a necessary skill required to be mastered by medical care personnel, and is a practical skill required to be mastered by the general public. Through the lung model with more real clinical performance, medical care in school personnel, in-office maintenance personnel and the ordinary public can quickly and correctly master the artificial respiration first aid skill.
However, the existing human lung model teaching aid cannot simulate the resistance sense change of the lung, so that the limit range of thoracic cage deformation cannot be simulated during normal blowing, the size of a proper hole is not provided, the breathing speed under the normal condition cannot be simulated, the training and the actual condition have deviation, and the teaching effect is influenced.
Therefore, there is a need to develop a human lung model teaching aid that can simulate the change of resistance.
Disclosure of Invention
The utility model aims at providing a can simulate human lung model teaching aid that resistance felt changes to chest deformation limit range when the unable simulation that exists among the above-mentioned prior art normally blows is solved, and expiratory velocity and training and actual conditions under the unable simulation normal condition have the problem of deviation.
The human lung model teaching aid capable of simulating resistance change comprises an inverted Y-shaped simulated trachea and a conical simulated lung tissue; the cross section of the simulated trachea is oval, the top end of the simulated trachea is an annular film, and the lower end of the annular film is a one-way valve; the tail end of the simulated trachea is bifurcated left and right, and is respectively connected with the left part and the right part of the simulated lung tissue and is in gas communication with the left part and the right part of the simulated lung tissue.
According to the further characteristics of the human lung model teaching aid capable of simulating resistance change of the utility model, the simulated lung tissue is divided into a left part and a right part, the upper surface of each part is provided with an upper air outlet, and the lower surface is provided with a lower air outlet; the periphery edges of the left part and the right part are provided with arrow-shaped fixing devices.
But human lung model teaching aid that simulation resistance felt change have following beneficial effect: (1) the human lung model teaching aid can intuitively present the change of lung resistance feeling during inspiration and expiration and efficiently simulate the performance of human lungs during artificial respiration, so that the model is beneficial to teachers to teach artificial respiration key points and students to understand difficulties in the learning process, thereby being convenient for skillfully mastering the artificial respiration first aid skills and better putting the students into first aid career; (2) the upper surface and the lower surface of the left part and the right part of the simulated lung tissue are respectively provided with an air outlet, so that the function of lung ventilation can be simulated; (3) a one-way valve is arranged in the simulated trachea and plays a role of a one-way valve to prevent gas from flowing backwards. The one-way valve is not a structure simulating epiglottis, but a virtual structure, thereby ensuring the lung ventilation function of the simulated lung tissue.
To sum up, but human lung model teaching aid that simulation resistance felt changes can simulate thorax deformation limit range when normally blowing, can simulate expiratory velocity under the normal condition to effectively solve the problem that training and actual conditions have the deviation.
Drawings
Fig. 1 is a schematic front structural view of a human lung model teaching aid capable of simulating resistance change.
Fig. 2 is a back structure diagram of the human lung model teaching aid capable of simulating resistance change shown in fig. 1.
Reference numerals: 1: simulating an air pipe; 2: an annular film; 3: an upper air outlet hole; 4: an arrow-shaped fixing device; 5: a lower air outlet hole; 6: simulating lung tissue.
Detailed Description
The invention is described in detail below with reference to the figures and the specific embodiments.
Fig. 1 is a schematic front structural view of the human lung model teaching aid capable of simulating resistance change. Fig. 2 is a back structure diagram of the human lung model teaching aid capable of simulating resistance change. Human lung model teaching aid that can simulate resistance and feel change, as shown in fig. 1 and fig. 2, include: the simulated lung tissue 6 is approximately conical, the top end of the simulated lung tissue is connected with the simulated trachea and is similar to a vertex, and the bottom end of the simulated lung tissue is similar to a bottom surface; the air purifier is divided into a left part and a right part, wherein the upper surface of each part is provided with an upper air outlet hole 3, and the lower surface of each part is provided with a lower air outlet hole 5; the peripheral edges of the left part and the right part are also provided with arrow-shaped fixing devices; the simulated trachea 1 is integrally in an inverted Y shape, the tail end of the simulated trachea is bifurcated left and right, and the simulated trachea is respectively connected with the left part and the right part of the simulated lung tissue 6 and is in gas communication with the left part and the right part of the simulated lung tissue; the cross section is oval, and the shape of horseshoe-shaped cartilage supporting trachea, namely C-shaped cartilage is simulated; the top end of the simulated trachea 1 is provided with an annular film 2, and a one-way valve is arranged below the annular film 2.
When in blowing, the air enters the simulated trachea 1 from the annular rubber sheet 2 through the one-way valve. When air enters, the one-way valve is opened due to air pressure, and after blowing is stopped, the one-way valve is automatically closed, so that the inner air is prevented from flowing out of the outside.
The simulated lung tissue 6 is connected with the tail end of the simulated trachea 1, and the gas enters the left part and the right part of the simulated lung tissue 6 respectively after reaching the tail end bifurcation. When the blowing is expanded, the resistance feeling tends to be obviously reduced in the interval of the front 50% of the inflation state of the left and right simulated lung tissues. In fig. 1 and 2, the upper exit orifice 3 is located in the middle of the front face of the simulated lung tissue 6; the lower exit orifice 5 is located at the bottom of the back of the simulated lung tissue 6. When the simulated lung tissue 6 achieves a certain deformation degree due to air blowing, the air is automatically exhausted through the upper air outlet hole 3 and the lower air outlet hole 5, so that the thorax deformation limit range during normal air blowing is simulated. The effect of simulating the exhalation speed can be achieved by controlling the sizes of the upper air outlet hole 3 and the lower air outlet hole 5. The arrow-shaped fixing device 4 is positioned around the simulated lung tissue 6, so that the human lung model teaching aid can be fixed inside a human simulator. In concrete artificial respiration teaching, will human lung model teaching aid that can simulate resistance and feel the change pack into the duroplast model of lung, reassemble into anthropomorphic dummy's simulation lung part, in the training process that carries out artificial respiration to anthropomorphic dummy, blow in gaseous volume and reach the certain degree, human lung model teaching aid self-bleeding, can observe and calculate lung resistance and feel the change to standardize artificial respiration's main means.
The above-mentioned embodiments only express the embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (2)
1. The utility model provides a can simulate human lung model teaching aid of resistance sense change which characterized in that: comprises an inverted Y-shaped simulated trachea and a conical simulated lung tissue; the cross section of the simulated trachea is oval, the top end of the simulated trachea is an annular film, and the lower end of the annular film is a one-way valve; the tail end of the simulated trachea is bifurcated left and right, and is respectively connected with the left part and the right part of the simulated lung tissue and is in gas communication with the left part and the right part of the simulated lung tissue.
2. The human lung model teaching aid capable of simulating changes in resistance according to claim 1, wherein: the simulated lung tissue is divided into a left part and a right part, the upper surface of each part is provided with an upper air outlet, and the lower surface of each part is provided with a lower air outlet; the periphery edges of the left part and the right part are provided with arrow-shaped fixing devices.
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| CN201921272766.XU CN210295601U (en) | 2019-08-07 | 2019-08-07 | Human lung model teaching aid capable of simulating resistance change |
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| CN201921272766.XU CN210295601U (en) | 2019-08-07 | 2019-08-07 | Human lung model teaching aid capable of simulating resistance change |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113705039A (en) * | 2021-08-02 | 2021-11-26 | 南京信息工程大学 | High-fidelity lung deformation model integrated with biological characteristics and modeling method thereof |
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2019
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113705039A (en) * | 2021-08-02 | 2021-11-26 | 南京信息工程大学 | High-fidelity lung deformation model integrated with biological characteristics and modeling method thereof |
| CN113705039B (en) * | 2021-08-02 | 2023-11-03 | 南京信息工程大学 | High-fidelity lung deformation model integrated with biological characteristics and modeling method thereof |
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