CN113838350A - Medical simulation teaching aid for sputum of respiratory disease patient - Google Patents

Abstract

The invention relates to the technical field of medical teaching aids, in particular to a medical simulation teaching aid for sputum of a respiratory disease patient, which comprises a display box, wherein the upper surface of the display box is communicated and connected with an upper air pipe, an inserting component convenient for inserting and fixing the upper air pipe is arranged between the upper air pipe and the display box, a port part of the upper air pipe is provided with a pressurizing component capable of effectively simulating respiratory action, the lower surface of the display box is communicated and fixedly connected with a lower branch pipe, and a flow guide sleeve capable of realizing a gap opening and closing function is fixed at the lower end part of the lower branch pipe. The invention can provide a teaching aid capable of presenting different sputum properties, colors and smells, is beneficial to visually observing the sputum abnormity of patients with different respiratory diseases by students, visualizes the medical knowledge of the boring theory, is beneficial to the students to efficiently master the medical knowledge of the corresponding respiratory diseases, and also makes up the defect that the students lack direct contact with the patients with the respiratory diseases during school learning.

Description

Medical simulation teaching aid for sputum of respiratory disease patient

Technical Field

The invention relates to the technical field of medical teaching aids, in particular to a medical simulation teaching aid for sputum of a respiratory disease patient.

Background

Respiratory system diseases are common diseases and frequently encountered diseases, main pathological changes are in trachea, bronchus, lung and chest cavity, and chest distress, chest pain, short breath and the like are frequently caused in light patients with the pathological changes due to the symptoms of cough, expectoration and the like, and dyspnea and anoxia are frequently caused in severe patients.

In the current respiratory disease medical teaching, a teacher only gives oral theoretical knowledge through textbooks, pictures or videos and the like, and the teacher is not beneficial to the students to master and understand abstract medical knowledge of respiratory diseases, so that the respiratory disease teaching quality and effect in the medical teaching are poor.

Disclosure of Invention

The invention aims to provide a medical simulation teaching aid for sputum of respiratory disease patients, which solves the problem that teachers who teach theoretical knowledge orally through textbooks, pictures or videos and the like in the background art are not beneficial to students to master and understand abstract medical knowledge of respiratory diseases.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a medical science simulation teaching aid of respiratory disease patient sputum, includes the show box, show box upper surface communicates with each other and is connected with the upper air supply pipe, be equipped with the grafting subassembly that makes things convenient for the upper air supply pipe to peg graft fixedly between upper air supply pipe and the show box, the port portion of upper air supply pipe is equipped with the pressure boost subassembly that can effectively simulate respiratory action, the lower surface of show box communicates with each other fixedly connected with lower branch pipe, the tip is fixed with the water conservancy diversion cover that can realize the clearance function of opening and shutting under the lower branch pipe, the water conservancy diversion cover lower extreme communicates with each other fixedly connected with lower pot head, the lower tip symmetry of lower pot communicates with each other and is fixed with two lower trachea, two the trachea surface is equipped with can make things convenient for lower trachea to put in order the storage component who accomodates, show box integrated device still sets the whole receiver of convenient for device to place.

Preferably, pressure boost subassembly includes the connecting block of fixed mounting in last trachea upper end, the inside intercommunication of connecting block has the sliding hole, and sliding hole and last trachea inside communicate with each other, the inside slip of sliding hole inserts and is equipped with the guide arm, and the tip extends to the inside of last trachea under the guide arm, the inside slidable mounting of last trachea has the piston, and the piston upper surface links to each other with the tip is fixed under the guide arm, and the piston surface closely laminates with last trachea inner wall surface.

Preferably, the plug-in components is including being fixed in the installation interface of show box upper surface, the inside show box top that is located of installation interface is fixed with the filter screen, installation interface lateral wall opens and has the side opening, side opening port portion slides and inserts and is equipped with the traveller, and inside the traveller tip extended to the installation interface, the traveller surface is located side opening internal fixation and has a fender ring, the traveller surface is located to keep off and is equipped with spring A between ring and the side opening lateral wall surface, and two tip of spring A respectively with keep off ring side surface and side opening lateral wall fixed surface and be connected.

Preferably, the outer surface of the upper air pipe is fixedly provided with a sealing washer at a position close to the lower end part of the upper air pipe, the outer surface of the upper air pipe is positioned above the sealing washer and is provided with a clamping hole, and the end part of the sliding column is correspondingly matched with the clamping hole in an inserting manner.

Preferably, the middle cavity is formed in the middle of the inner portion of the flow guide sleeve, the through cavities are symmetrically formed in the upper portion and the lower portion of the middle cavity in the inner portion of the flow guide sleeve, the flow guide holes are symmetrically formed in the surfaces of the upper wall and the lower wall of the through cavities, the flow guide holes are communicated with the lower end sleeve and the lower end sleeve respectively, guide pillars are fixedly installed between the upper wall and the lower wall of the through cavities, the outer surfaces of the guide pillars are located in the middle cavity, the sealing plates are slidably connected with the surfaces of the inner walls of the middle cavity, springs B are symmetrically arranged on the upper portion and the lower portion of the sealing plates in the outer surfaces of the guide pillars, and the two ends of each spring B are correspondingly and fixedly connected with the surfaces of the sealing plates and the inner walls of the flow guide holes respectively.

Preferably, the containing assembly comprises a sliding sleeve block which is sleeved on the outer surfaces of the two lower air pipes in a sliding manner, the lower surfaces of the sliding sleeve blocks are positioned on two sides of the lower air pipes and symmetrically provided with limiting fixing holes, supporting blocks are fixed on the outer surfaces of the two lower air pipes close to the end parts of the lower air pipes, damping limiting columns are fixed on the upper surfaces of the supporting blocks, and the damping limiting columns and the limiting fixing holes are correspondingly matched in an inserting manner.

Preferably, the show chamber is seted up to the inside of show box, and show chamber and last trachea and lower carriage all communicate with each other, the inside sputum sample that has held of show chamber, the upper surface of show box is located one side in show chamber and sets up into the box hole, and goes into the box hole and communicate with each other with the show chamber, the show box is kept away from into two adjacent side surfaces in box hole one side and is seted up the annular, the inside equal fixed mounting ya keli transparent plate of annular.

Preferably, standing groove A and standing groove B have been seted up respectively to the inside receiver, the spout has been seted up to receiver upper surface bilateral symmetry, the inside equal spacing slidable mounting of spout has spacing sliding block, and is equipped with the closing cap above the spacing sliding block, and spacing sliding block upper surface all links to each other with closing cap fixed surface down, closing cap upper surface one side is fixed with the handle.

Compared with the prior art, the invention has the beneficial effects that:

1. the device can provide a teaching aid capable of presenting different sputum properties, colors and smells, is beneficial to visually observing the sputum abnormity of patients with different respiratory diseases by students, visualizes the medical knowledge of the boring theory, is beneficial to the students to efficiently master the corresponding medical knowledge of the respiratory diseases, and also makes up the defect that the students lack direct contact with the patients with the respiratory diseases during school learning;

2. by means of the device, discomfort of students in schools caused by real respiratory secretions of the patients who are subjected to visual inspection and sniffing is avoided, students can use knowledge learned by health assessment, the visual inspection and sniffing are combined with health history acquisition content, and the shape, color and smell of sputum are observed, so that clinical medical treatment and nursing diagnosis can be accurately made.

Drawings

FIG. 1 is a perspective view of the overall structure of the present invention;

FIG. 2 is a schematic view of a plenum assembly of the present invention;

FIG. 3 is a schematic cross-sectional view of the display case structure of the present invention;

FIG. 4 is a schematic view of the strut structure installation of the present invention;

FIG. 5 is a schematic cross-sectional view of a flow sleeve structure according to the present invention;

FIG. 6 is a schematic view of a receiving assembly according to the present invention;

fig. 7 is a schematic view of the storage box of the present invention.

The reference numbers in the figures illustrate: 1. an upper airway; 101. a lower branch pipe; 2. a display box; 201. putting the box into a hole; 202. a display chamber; 203. a ring groove; 204. an acrylic transparent plate; 3. a lower end sleeve; 301. a lower air pipe; 4. a plug-in assembly; 401. installing an interface; 402. a side hole; 403. a traveler; 404. a spring A; 405. a clamping hole; 406. a filter screen; 407. a sealing gasket; 408. a baffle ring; 5. a pressurizing assembly; 501. connecting blocks; 502. a slide hole; 503. a guide bar; 504. a piston; 6. a flow guide sleeve; 601. a middle cavity; 602. a cavity is communicated; 603. a flow guide hole; 604. a guide post; 605. a sealing plate; 606. a spring B; 7. a receiving assembly; 701. a sliding sleeve block; 702. limiting fixing holes; 703. a support block; 704. a damping limit column; 8. a storage box; 801. placing the groove A; 802. a placing groove B; 803. a chute; 804. a limiting sliding block; 805. sealing the cover; 806. a handle; 9. sputum specimen.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides an embodiment:

a medical simulation teaching aid for sputum of patients with respiratory diseases, which comprises a display box 2, wherein the upper surface of the display box 2 is communicated and connected with an upper air pipe 1, an inserting component 4 which is convenient for the upper air pipe 1 to be inserted and fixed is arranged between the upper air pipe 1 and the display box 2, a port part of the upper air pipe 1 is provided with a pressurizing component 5 which can effectively simulate breathing action, the lower surface of the display box 2 is communicated and fixedly connected with a lower branch pipe 101, the lower end part of the lower branch pipe 101 is fixed with a flow guide sleeve 6 which can realize the function of opening and closing a gap, the lower end of the flow guide sleeve 6 is communicated and fixedly connected with a lower end sleeve 3, the lower end of the lower end sleeve 3 is symmetrically and fixedly provided with two lower air pipes 301, the outer surfaces of the two lower air pipes 301 are provided with storage assemblies 7 which can facilitate the lower air pipes 301 to be placed in order, and the display box 2 is further provided with a storage box 8 which facilitates the whole device to be placed.

Further, pressure boost subassembly 5 is including fixed mounting in the connecting block 501 of upper end of upper air pipe 1, connecting block 501 is inside to be opened there is sliding hole 502, and sliding hole 502 and upper air pipe 1 are inside to communicate with each other, the inside slip of sliding hole 502 is inserted and is equipped with guide arm 503, and the tip extends to the inside of upper air pipe 1 under the guide arm 503, the inside slidable mounting of upper air pipe 1 has piston 504, and piston 504 upper surface and the fixed linking to each other of tip under the guide arm 503, and piston 504 surface and the 1 inner wall surface of upper air pipe closely laminate, through pressing guide arm 503 and drive piston 504 along the 1 inner wall downslide of upper air pipe, because the leakproofness of integrated device, can change the pressure differential in the device this moment, effectively simulate the condition of human breathing card phlegm.

Further, plug component 4 is including being fixed in the installation interface 401 of show box 2 upper surface, the inside show box 2 top that is located of installation interface 401 is fixed with filter screen 406, side opening 402 has been opened to installation interface 401 lateral wall, side opening 402 port portion slides and inserts and is equipped with traveller 403, and inside traveller 403 tip extended to installation interface 401, traveller 403 outer surface was located side opening 402 internal fixation and has kept off ring 408, the cover is equipped with spring A404 between traveller 403 outer surface was located fender ring 408 and the side opening 402 lateral wall surface, and two tip of spring A404 are connected with fender ring 408 side surface and side opening 402 lateral wall fixed surface respectively, outside pulling traveller 403, inside traveller 403 will overcome spring A404 elasticity and indent side opening 402, will go up inside trachea 1 tip again inserts installation interface 401, not hard up traveller 403 afterwards, drive traveller 403 to slide to the inboard under the elastic force effect of spring A404, finally, the end of the sliding column 403 is inserted into the locking hole 405, so that the upper air tube 1 is fixedly inserted into the upper end of the display box 2.

Further, the outer surface of upper air pipe 1 is close to the lower tip position fixed mounting of upper air pipe 1 has seal ring 407, the outer surface of upper air pipe 1 is located seal ring 407 top and has seted up card hole 405, and traveller 403 tip corresponds the grafting cooperation with card hole 405, and inside sputum sample 9 is effectual held in show chamber 202 by filter screen 406 card, seal ring 407 and installation interface 401's inside extrusion, formed good airtight effect.

Further, a middle cavity 601 is arranged in the middle of the guide sleeve 6, through cavities 602 are symmetrically arranged in the guide sleeve 6 above and below the middle cavity 601, guide holes 603 are symmetrically arranged on the surfaces of the upper and lower walls of the through cavities 602, the guide holes 603 are respectively communicated with the lower end sleeve 3 and the interior of the lower branch pipe 101, a guide post 604 is fixedly arranged between the upper and lower walls of the through cavity 602, a sealing plate 605 is slidably sleeved on the outer surface of the guide post 604 in the middle cavity 601, the sealing plate 605 is slidably connected with the surface of the inner wall of the middle cavity 601, a spring B606 is symmetrically sleeved on the outer surface of the guide post 604 above and below the sealing plate 605, the two ends of the spring B606 are respectively and fixedly connected with the surface of the sealing plate 605 and the inner wall of the guide hole 603, under the action of air pressure, the sealing plate 605 is pushed to overcome the elastic force of the spring B606 and move downwards along the guide post 604 to the interior of the through cavity 602 below, and air in the device is led out from the guide holes 603 below, the flow of air in the trachea when the human body inhales is effectively simulated, and meanwhile, the guide rod 503 is pulled outwards in the reverse direction, so that the action of the human body when the human body exhales can be effectively simulated.

Further, the accommodating component 7 includes a sliding sleeve block 701 slidably sleeved on the outer surfaces of the two lower air pipes 301, the lower surface of the sliding sleeve block 701 is symmetrically provided with limiting fixing holes 702 at two sides of the lower air pipes 301, the outer surfaces of the two lower air pipes 301 near the end portions of the lower air pipes 301 are respectively fixed with a supporting block 703, the upper surface of the supporting block 703 is respectively fixed with a damping limiting post 704, the damping limiting post 704 and the limiting fixing holes 702 are correspondingly matched in an inserting manner, the sliding sleeve block 701 is pulled downwards, the sliding sleeve block 701 slides downwards along the outer surfaces of the lower air pipes 301, and finally the damping limiting post 704 on the upper surface of the supporting block 703 is inserted into the limiting fixing hole 702 in a limiting manner, so that the two lower air pipes 301 can be regulated.

Further, show chamber 202 is seted up to show box 2's inside, and show chamber 202 and last trachea 1 and lower trachea 101 all communicate with each other, the inside sputum sample 9 that has held in show chamber 202, the upper surface of show box 2 is located one side of show chamber 202 and sets up into box hole 201, and goes into box hole 201 and communicates with each other with show chamber 202, show box 2 keeps away from into two adjacent side surfaces in box hole 201 one side and sets up annular 203, the inside equal fixed mounting ya keli transparent plate 204 of annular 203, inside sputum sample 9 was through going into the leading-in show chamber 202 of box hole 201 to it is sealed to go into box hole 201, and permeable ya keli transparent plate 204 sees sputum sample 9 at the inside rolling motion of show chamber 202, has effectively simulated respiratory disease patient's card phlegm condition.

Further, standing groove A801 and standing groove B802 have been seted up respectively to receiver 8 inside, spout 803 has been seted up to 8 upper surface bilateral symmetry of receiver, the inside equal spacing slidable mounting of spout 803 has spacing sliding block 804, and is equipped with the closing cap 805 above spacing sliding block 804, and spacing sliding block 804 upper surface all links to each other with closing cap 805 lower fixed surface, closing cap 805 upper surface one side is fixed with handle 806, and pulling handle 806 slides the closing cap 805 and opens, and is whole inside putting into standing groove A801 with last trachea 1 and pressurized component 5 again, places the device latter half inside standing groove B802 again, and rethread pulling handle 806 slides the closing cap 805 and closes, makes things convenient for accomodating of whole device to place.

The working principle is as follows: in the device, in the manufacturing process of the sputum specimen 9, colorless jelly powder and water are added into a plurality of containers according to different proportions, the mixture is stirred uniformly and is blended into different viscosities, a plurality of bottles of basic sputum specimens 9 are dyed by different pigments according to different sputum properties and different colors caused by different clinical common pathological changes of patients with respiratory diseases, the sputum specimens 9 with different properties and colors are manufactured, then, in the sputum specimens 9 with different properties and colors, the sputum odors caused by different clinical common pathological changes of patients with respiratory diseases are different, corresponding odorants are added to manufacture the sputum specimens 9 with different colors and odors, a sliding column 403 is pulled outwards, the sliding column 403 overcomes the elasticity of a spring A404 and retracts into a side hole 402, the end part of an upper air supporting pipe 1 is inserted into an installation interface 401, then, the sliding column 403 is loosened, the sliding column 403 is driven to slide inwards under the action of the elastic force of the spring A404, finally, the end part of the sliding column 403 is inserted into the clamping hole 405, so that the upper air pipe 1 is fixedly inserted into the upper end of the display box 2, the sealing washer 407 is extruded with the inside of the mounting interface 401 to form a good sealing effect, then, the sputum sample 9 is guided into the display cavity 202 through the box inlet hole 201 and is sealed with the box inlet hole 201, and then, the piston 504 is driven to slide downwards along the inner wall of the upper air pipe 1 through the movable guide rod 503, at the moment, due to the sealing performance of the whole device, under the action of air pressure, the sealing plate 605 is pushed to overcome the elastic force of the spring B606 and downwards move to the inside of the through cavity 602 below along the guide column 604, the air in the device is guided out from the guide hole 603 below, the flow of the air in the air pipe during inhalation of a human body is effectively simulated, and the guide rod 503 is pulled outwards in the opposite direction, so that the action during exhalation of the human body can be effectively simulated, at the moment, the sputum specimen 9 is effectively clamped inside the display cavity 202 by the filter screen 406, the sputum specimen 9 can be seen to roll inside the display cavity 202 through the acrylic transparent plate 204 by guiding air, the sputum clamping condition of a respiratory disease patient is effectively simulated, meanwhile, the sliding column 403 can be pulled outwards to overcome the elasticity of the spring A404, the end part of the sliding column 403 is pulled out from the inside of the clamping hole 405, the upper air pipe 1 is detached from the end part of the display box 2, so that a student can conveniently distinguish the sputum specimen 9 in an air mode, meanwhile, different sputum specimens 9 can be replaced by entering the box hole 201, the respiratory disease conditions of patients with different symptoms can be simulated, after the display is finished, the whole device is cleaned, sterilized and aired, then the sliding sleeve block 701 is pulled downwards, the sliding sleeve block 701 slides downwards along the outer surface of the lower air pipe 301, and finally, the damping limiting column 704 on the upper surface of the support block 703 is inserted into the limiting fixing hole 702 in a limiting way, can be regular two lower trachea 301, slide the closing cap 805 through pulling handle 806 afterwards and open, put into standing groove A801 inside with upper trachea 1 and pressure boost subassembly 5 are whole again, place the device the latter half inside standing groove B802 again, the rethread pulls handle 806 and slides the closing cap 805 and close, makes things convenient for accomodating of whole device to place.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (8)

1. The utility model provides a medical science simulation teaching aid of respiratory disease patient sputum, includes show box (2), its characterized in that: the upper surface of the display box (2) is communicated and connected with an upper air pipe (1), an inserting component (4) which is convenient for the upper air pipe (1) to be inserted and fixed is arranged between the upper air pipe (1) and the display box (2), a port part of the upper air pipe (1) is provided with a pressurizing assembly (5) which can effectively simulate breathing action, the lower surface of the display box (2) is communicated and fixedly connected with a lower branch pipe (101), a flow guide sleeve (6) capable of realizing the function of opening and closing the gap is fixed at the lower end part of the lower branch pipe (101), the lower end of the flow guide sleeve (6) is communicated and fixedly connected with a lower end sleeve (3), the lower end part of the lower end sleeve (3) is symmetrically communicated and fixed with two lower air pipes (301), the outer surfaces of the two lower air pipes (301) are provided with storage components (7) which can facilitate the lower air pipes (301) to be stored in a homing way, show box (2) overall arrangement still sets receiver (8) that make things convenient for the device to wholly place.

2. The medical simulation teaching aid of respiratory disease patient sputum of claim 1 characterized in that: pressure boost subassembly (5) are including fixed mounting in connecting block (501) of last trachea (1) upper end, inside slide opening (502) of opening of connecting block (501), and slide opening (502) and last trachea (1) are inside to communicate with each other, slide opening (502) inside slip is inserted and is equipped with guide arm (503), and the tip extends to the inside of last trachea (1) under guide arm (503), go up inside slidable mounting of trachea (1) has piston (504), and piston (504) upper surface links to each other with guide arm (503) lower tip is fixed, and piston (504) surface closely laminates with last trachea (1) inner wall surface.

3. The medical simulation teaching aid of respiratory disease patient sputum of claim 1 characterized in that: plug-in components (4) are including being fixed in installation interface (401) of show box (2) upper surface, installation interface (401) inside is located show box (2) top and is fixed with filter screen (406), side opening (402) have been seted up to installation interface (401) lateral wall, side opening (402) port portion slides and inserts and is equipped with traveller (403), and traveller (403) tip extends to installation interface (401) inside, traveller (403) surface is located side opening (402) internal fixed mounting has fender ring (408), traveller (403) surface is located and is equipped with spring A (404) between fender ring (408) and side opening (402) lateral wall surface, and two tip of spring A (404) are connected with fender ring (408) side surface and side opening (402) lateral wall fixed surface respectively.

4. A medical simulation teaching aid of respiratory disease patient sputum according to claim 3, characterized in that: go up the surface of trachea (1) and be close to the lower tip position fixed mounting of last trachea (1) and have seal ring (407), the surface of going up trachea (1) is located seal ring (407) top and has seted up card hole (405), and traveller (403) tip corresponds with card hole (405) and pegs graft the cooperation.

5. The medical simulation teaching aid of respiratory disease patient sputum of claim 1 characterized in that: the inner portion of the guide sleeve (6) is located in the middle and provided with a middle cavity (601), the inner portion of the guide sleeve (6) is located above and below the middle cavity (601) and symmetrically provided with a through cavity (602), the surfaces of the upper wall and the lower wall of the through cavity (602) are symmetrically provided with guide holes (603), the guide holes (603) are respectively communicated with the inner portions of the lower end sleeve (3) and the lower branch pipe (101), guide columns (604) are fixedly installed between the upper wall and the lower wall of the through cavity (602), the outer surfaces of the guide columns (604) are located in the inner portion of the middle cavity (601) and are slidably sleeved with sealing plates (605), the sealing plates (605) are slidably connected with the surfaces of the inner walls of the middle cavity (601), the outer surfaces of the guide columns (604) are located in the upper portion and the lower portion of the sealing plates (605) and are symmetrically sleeved with springs (606), and the two ends of the springs (606) are correspondingly and are respectively fixedly connected with the surfaces of the sealing plates (605) and the inner walls of the guide holes (603).

6. The medical simulation teaching aid of respiratory disease patient sputum of claim 1 characterized in that: the storage assembly (7) comprises a sliding sleeve block (701) which is sleeved on the outer surfaces of the two lower air pipes (301) in a sliding manner, the lower surface of the sliding sleeve block (701) is positioned on the two sides of the lower air pipes (301) and symmetrically provided with limiting fixing holes (702), the outer surfaces of the two lower air pipes (301) are respectively fixed with a supporting block (703) close to the end part of the lower air pipes (301), the upper surfaces of the supporting blocks (703) are respectively fixed with damping limiting columns (704), and the damping limiting columns (704) and the limiting fixing holes (702) are correspondingly matched in an inserting manner.

7. The medical simulation teaching aid of respiratory disease patient sputum of claim 1 characterized in that: show chamber (202) is seted up to the inside of show box (2), and show chamber (202) and last trachea (1) and lower stay tube (101) all communicate with each other, sputum sample (9) have been held to show chamber (202) inside, the upper surface of show box (2) is located one side of show chamber (202) and sets up into box hole (201), and goes into box hole (201) and communicate with each other with show chamber (202), show box (2) are kept away from into two adjacent side surfaces in box hole (201) one side and are seted up annular (203), annular (203) inside equal fixed mounting ya keli transparent plate (204).

8. The medical simulation teaching aid of respiratory disease patient sputum of claim 1 characterized in that: storage box (8) inside standing groove A (801) and standing groove B (802) of having seted up respectively, spout (803) have been seted up to storage box (8) upper surface bilateral symmetry, inside equal spacing slidable mounting of spout (803) has spacing sliding block (804), and spacing sliding block (804) top is equipped with closing cap (805), and spacing sliding block (804) upper surface all links to each other with closing cap (805) fixed surface down, closing cap (805) upper surface one side is fixed with handle (806).

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