CN110975091B - Multifunctional clinical teaching demonstration instrument - Google Patents
Multifunctional clinical teaching demonstration instrument Download PDFInfo
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- CN110975091B CN110975091B CN201911324158.3A CN201911324158A CN110975091B CN 110975091 B CN110975091 B CN 110975091B CN 201911324158 A CN201911324158 A CN 201911324158A CN 110975091 B CN110975091 B CN 110975091B
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- 239000002184 metal Substances 0.000 claims abstract description 29
- 239000007788 liquid Substances 0.000 claims abstract description 17
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000001301 oxygen Substances 0.000 claims abstract description 13
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 13
- 238000001125 extrusion Methods 0.000 claims abstract description 12
- 210000000214 mouth Anatomy 0.000 description 13
- 210000000038 chest Anatomy 0.000 description 10
- 230000005540 biological transmission Effects 0.000 description 8
- 210000003296 saliva Anatomy 0.000 description 6
- 238000001514 detection method Methods 0.000 description 5
- 238000002680 cardiopulmonary resuscitation Methods 0.000 description 3
- 230000029058 respiratory gaseous exchange Effects 0.000 description 3
- 210000000779 thoracic wall Anatomy 0.000 description 3
- 235000013361 beverage Nutrition 0.000 description 1
- 230000002612 cardiopulmonary effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000005574 cross-species transmission Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 210000003813 thumb Anatomy 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
- A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H31/00—Artificial respiration by a force applied to the chest; Heart stimulation, e.g. heart massage
- A61H31/004—Heart stimulation
- A61H31/007—Manual driven
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/28—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for medicine
- G09B23/288—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for medicine for artificial respiration or heart massage
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
- A61H2201/12—Driving means
- A61H2201/1253—Driving means driven by a human being, e.g. hand driven
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2205/00—Devices for specific parts of the body
- A61H2205/08—Trunk
- A61H2205/084—Chest
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- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Cardiology (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Animal Behavior & Ethology (AREA)
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- Physical Education & Sports Medicine (AREA)
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Abstract
The invention discloses a multifunctional clinical teaching demonstration instrument, which comprises a bed body, a back cushion fixedly arranged on the upper end surface of the bed body and a first-aid respirator arranged on the upper side of the bed body, wherein the back cushion is fixedly arranged on the upper end surface of the bed body; the emergency respirator comprises a mask device for covering the mouth and the nose, a liquid suction device arranged on the mask device, a chest pressing device for pressing the chest, an air bag, an extrusion device arranged in the air bag, an oxygen storage tank, a one-way valve arranged at the right end of the air bag in a communication manner, a first communication hose arranged between the one-way valve and the oxygen storage tank in a communication manner, a second communication hose and a first metal pipe fixedly arranged at the left end of the second communication hose.
Description
Technical Field
The invention belongs to the field of clinical teaching, and particularly relates to a multifunctional clinical teaching demonstration instrument.
Background
When the clinical first-aid teaching of cardiopulmonary resuscitation and the first-aid requiring artificial respiration is performed, two persons are generally required to perform the first-aid on the human body by respectively using the artificial respirator and the cardiopulmonary resuscitation pressing device, so that the first-aid process is more complicated.
Disclosure of Invention
The multifunctional clinical teaching demonstration instrument can be used for carrying out artificial respiration and cardiopulmonary compression resuscitation on a human body by one person.
In order to achieve the purpose, the invention adopts the following technical scheme: a multifunctional clinical teaching demonstration instrument comprises a bed body, a back cushion fixedly arranged on the upper end surface of the bed body and a first-aid respirator arranged on the upper side of the bed body; the first-aid respirator comprises a mask device for covering the mouth and the nose, a liquid suction device arranged on the mask device, a chest pressing device for pressing the chest, an air bag, an extrusion device arranged in the air bag, an oxygen storage tank, a one-way valve communicated with the right end of the air bag, a first communicating hose communicated with the one-way valve and the oxygen storage tank, a second communicating hose and a first metal pipe fixedly arranged at the left end of the second communicating hose.
The mask device comprises a mask, a first negative pressure assembly arranged on a first metal pipe, and a matching assembly arranged on the first metal pipe.
The mask comprises a mask shell, an air inlet hole arranged at the right end of the mask shell, an annular space arranged at the left end of the mask shell along the outline of the mask shell, a support block arranged on the inner wall of the mask shell on the mask shell, a support block space arranged in the support block, two circular hole grooves respectively arranged at the front end wall and the rear end wall of the support block space, two communicating pipes fixedly arranged on the two circular hole grooves, a liquid inlet hole arranged at the right end wall of the support block space, a storage shell fixedly arranged at the right end of the support block, a storage space arranged in the storage shell, two first assembling plates respectively fixedly arranged at the front side and the rear side of the right end of the mask shell, and two fixed plates respectively fixedly arranged at the left ends of the two first assembling plates, wherein the air inlet hole is communicated with the annular space, and the left end of the annular space is communicated with the outside.
The inner wall left side of storage space sets up to arc, the upper end of gauze mask casing sets up to the semicylindrical tubular shape.
The first negative pressure assembly comprises a fixed shell fixedly arranged at the upper end of the first metal pipe, a working hole arranged on the upper end face of the fixed shell, a piston capable of moving up and down and arranged in the working hole, a connecting rod fixedly arranged at the upper end of the piston and a conical block fixedly arranged at the upper end of the connecting rod.
The first negative pressure assembly further comprises a first straight rod fixedly arranged on the upper end face of the fixed shell, a dovetail groove arranged at the upper end of the first straight rod, a movable plate arranged on the upper side of the first straight rod in a movable mode in a back-and-forth moving mode, a dovetail block fixedly arranged at the lower end of the movable plate and located in the dovetail groove, a reset spring fixedly arranged between the rear end wall of the dovetail groove and the rear end of the dovetail block, and a through hole arranged on the left side of the inner wall of the working hole and communicated with the annular space, wherein the lower end face of one side, facing the conical block, of the movable block is arranged to be an inclined face, and the left end face of the fixed shell is arranged to be an arc groove.
The cooperation subassembly is including fixed two support casings that set up in first metal tube surface front and back side, set up at the first rectangular channel that supports the casing right-hand member face, set up the second rectangular channel at first rectangular channel rear end, be linked together and set up for the slope between first rectangular channel and the second rectangular channel.
The liquid suction device comprises a second metal pipe fixedly arranged at the left end of the air bag, a suction shell fixedly arranged at the left end of the second metal pipe, a suction space arranged in the suction shell, a first perforation arranged at the right end wall of the suction shell, a second perforation arranged at the left end wall of the suction shell, a rotating plate hinged at the lower end wall of the suction space, and a baffle fixedly arranged at the upper end wall of the suction space.
The liquid suction device also comprises a matching shell fixedly arranged on the lower end wall of the air suction shell, a matching space arranged in the matching shell and communicated with the air suction space, a long rod arranged in the matching space in a vertically movable manner, and two supporting plates fixedly arranged at the upper end and the lower end of the long rod respectively.
The liquid suction device further comprises a first circular ring fixedly arranged on the inner wall of the matching space, two extrusion springs fixedly arranged on the left side and the right side of the upper end surface of the first circular ring and connected with a lower side supporting plate respectively, an outlet hole arranged on the lower end wall of the matching space, a third communicating hose communicated with the lower end of the outlet hole, a metal connecting pipe fixedly arranged at the left end of the third communicating hose, a movable piston block arranged in the metal connecting pipe in a left-right moving mode, a first retaining ring fixedly arranged at the right end of the movable piston block, a second retaining ring fixedly arranged at the left end of the movable piston block, and two working springs fixedly arranged between the front side and the rear side of the right end of the second retaining ring and the fixed piston block, wherein the communicating pipe is provided with a retaining cover.
The extrusion device comprises an air bag space arranged on the inner wall of the air bag, a fixed pipe fixedly arranged on the upper side of the inner wall of the air bag space, a lifting rod arranged in the fixed pipe in a vertically movable mode, a pressing plate fixedly arranged at the lower end of the lifting rod and an arc-shaped plate fixedly arranged on the lifting rod.
The extrusion device is characterized by further comprising a second negative pressure assembly arranged on the arc plate, a pressing shell fixedly arranged at the lower end of the arc plate, a pressing space arranged in the pressing shell, a rectangular groove arranged at the right end wall of the pressing space, a transmission shaft rotatably arranged at the left end wall and the right end wall of the rectangular groove, a torsion spring fixedly arranged on the transmission shaft, a rotating plate fixedly arranged on the transmission shaft, a rectangular through groove arranged on the rotating plate, a rectangular groove fixedly arranged at the rear side of the lower end face of the rotating plate, two supporting plates fixedly arranged at the left side and the right side of the lower end of the rectangular groove, balls arranged at the upper sides of the two supporting plates in a leftward-rightward mode, a connecting plate fixedly arranged at the lower side of the balls, a working plate fixedly arranged at the right end face of the pressing shell, and a working through hole arranged on the working plate, wherein one end of the torsion spring is fixedly arranged on the rear end wall of the rectangular groove.
The extrusion device further comprises a cylindrical rod which is arranged in the working through hole in a vertically movable mode and is fixedly connected with the connecting plate, a pressing block, a stroke rod which is fixedly arranged on the lower end face of the arc plate, a stroke cylindrical hole which is arranged in the cylindrical rod, and a detection assembly which is arranged on the lower side of the working plate, wherein the stroke rod can vertically move in the stroke cylindrical hole.
The second negative pressure assembly comprises a first air pressure space arranged in the arc-shaped plate, two fixing flat plates fixedly arranged on the left end face and the right end face of the arc-shaped plate respectively, two matching shafts which are arranged on the front side and the back side between the two fixing flat plates in a rotating mode respectively, two wrapping plates fixedly arranged on the two matching shafts respectively, a second air pressure space arranged in the wrapping plates, two rectangular vent grooves respectively arranged on the two matching shafts, a movable threaded hole arranged on the upper end wall of the first air pressure space, a movable through pipe fixedly arranged at the lower end of the movable threaded hole, a working piston which can be arranged in the movable through pipe in a vertically moving mode, a threaded rod rotatably arranged at the upper end of the working piston, a handle fixedly arranged at the upper end of the threaded rod, and a vent groove arranged on the end wall of one end of the pressing block in the second air pressure space, and the lower end of the cylindrical block is fixedly connected with the upper end of the pressing block.
The detection assembly comprises a cylindrical block hinged to the lower end of the cylindrical rod, two grooves respectively formed in the front side and the rear side of the outer surface of the cylindrical block, a movable inclined block movably arranged in the grooves, an expansion spring fixedly arranged between the movable inclined block and the bottom of the groove, and two fixed inclined blocks fixedly arranged on the left side and the right side of the lower end of the cylindrical rod respectively.
The detection assembly further comprises two clamping plates fixedly arranged on the lower end faces of the working plates respectively, a plurality of clamping grooves are formed in the end faces of the ends, opposite to the two clamping plates, of the two clamping plates respectively, and the positions on the clamping grooves in the two clamping plates are symmetrically arranged.
In summary, the invention has the following advantages: the device has simple structure, and can carry out artificial respiration and cardiopulmonary resuscitation on a human body by one person, thereby facilitating the first aid work.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is an enlarged view of a portion a in fig. 1.
Fig. 3 is a front view of the present invention.
Fig. 4 is a top view of the present invention.
Fig. 5 is a cross-sectional view taken at Z-Z in fig. 3.
Fig. 6 is a sectional view taken at B-B in fig. 4.
Fig. 7 is an enlarged view of fig. 6 at C.
Fig. 8 is an enlarged view of fig. 7 at D.
Fig. 9 is a perspective view cut away at E-E in fig. 4.
Fig. 10 is an enlarged view of fig. 9 at F.
Fig. 11 is a sectional view taken at E-E in fig. 4.
Fig. 12 is an enlarged view at G in fig. 11.
Fig. 13 is an enlarged view of fig. 11 at H.
Fig. 14 is an enlarged view at I in fig. 13.
Fig. 15 is a perspective view at P-P in fig. 4.
Fig. 16 is an enlarged view at J in fig. 15.
Fig. 17 is an enlarged view at K in fig. 15.
Fig. 18 is an enlarged view at L in fig. 5.
Fig. 19 is an enlarged view of fig. 18 at M.
Detailed Description
In order to make the technical solutions of the present invention better understood, 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.
As shown in fig. 1 to 19, in order to achieve the above object, the present invention adopts the following technical solutions: a multifunctional clinical teaching demonstration instrument comprises a bed body 1, a back cushion 2 fixedly arranged on the upper end surface of the bed body 1 and a first-aid respirator arranged on the upper side of the bed body 1; the first-aid respirator comprises a mask device for covering the mouth and the nose, a liquid suction device arranged on the mask device, a chest pressing device for pressing the chest, an air bag 3, an extrusion device arranged in the air bag 3, an oxygen storage tank 4, a one-way valve 1000 arranged at the right end of the air bag 3 in a communication mode, a first communicating hose 5 arranged between the one-way valve and the oxygen storage tank 4 in a communication mode, a second communicating hose 6 and a first metal pipe 7 fixedly arranged at the left end of the second communicating hose 6.
The mask device comprises a mask, a first negative pressure component arranged on the first metal pipe 7 and a matching component arranged on the first metal pipe 7.
The mask comprises a mask shell 8, an air inlet hole arranged at the right end of the mask shell 8, an annular space arranged at the left end of the mask shell 8 along the outline of the mask shell 8, a supporting block 9 arranged on the inner wall of the mask shell 8 on the mask shell 8, a supporting block space arranged in the supporting block 9, two circular hole grooves respectively arranged at the front end wall and the rear end wall of the supporting block space, two communicating pipes 10 fixedly arranged on the two circular hole grooves, a liquid inlet hole arranged at the right end wall of the supporting block space, a storage shell 11 fixedly arranged at the right end of the supporting block 9, a storage space arranged in the storage shell 11, two first assembling plates 12 respectively fixedly arranged at the front side and the rear side of the right end of the mask shell 8, and two fixing plates 13 respectively fixedly arranged at the left ends of the two first assembling plates 12, wherein the air inlet hole is communicated with the annular space, and the left end of the annular space is communicated with the outside;
The left side of the inner wall of the storage space is arc-shaped, and the upper end of the mask shell 8 is in a semi-cylindrical tube shape; through convex setting can be when the people lies down to its inside saliva can not flow back to the oral cavity of human body yet when carrying out the first aid, avoid the saliva in the oral cavity to pile up and cross the multithread to the outside, pollute pillow or mattress to avoid artifical clearance, also avoided causing the infection because of medical personnel or other personnel touch the saliva.
The first negative pressure assembly comprises a fixed shell 100 fixedly arranged at the upper end of the first metal pipe 7, a working hole arranged on the upper end surface of the fixed shell 100, a piston arranged in the working hole in a vertically movable mode, a connecting rod 799 fixedly arranged at the upper end of the piston, and a conical block 102 fixedly arranged at the upper end of the connecting rod 799.
The first negative pressure assembly further comprises a first straight rod 103 fixedly arranged on the upper end face of the fixed shell 100, a dovetail groove arranged at the upper end of the first straight rod 103, a moving plate 104 arranged on the upper side of the first straight rod 103 in a front-and-back moving mode, a dovetail block fixedly arranged at the lower end of the moving plate 104 and located in the dovetail groove, a reset spring fixedly arranged between the rear end wall of the dovetail groove and the rear end of the dovetail block, and a through hole arranged on the left side of the inner wall of the working hole and communicated with the annular space, wherein the lower end face of one side, facing the conical block 102, of the moving block 104 is arranged to be an inclined plane, and the left end face of the fixed shell 100 is arranged to be an arc groove; utilize the gauze mask to cover people's nose and mouth, the left end of annular space and people's nose and mouth contact, it moves upwards to promote the circular cone piece 102 with the thumb, circular cone piece 102 contacts with the inclined plane of movable block 104, promote the movable block 104 and move to the rear side, thereby it resets to carry on spacingly to circular cone piece 102 to let circular cone piece 102 reach the up end of movable block 104 back movable block 104, thereby can make the piston rebound, space increase atmospheric pressure in the messenger's annular space reduces, thereby can rely on the negative pressure to adsorb on people's nose and mouth, need not to press the gauze mask hard on nose and mouth, thereby avoided making nose and mouth receive great extrusion force and suffer the damage when too big, also avoided when not enough the gauze mask closely to laminate with nose and mouth and make oxygen spill over, thereby can't play the effect of first aid.
The matching assembly comprises two supporting shells 101 fixedly arranged on the front and rear sides of the outer surface of the first metal pipe 7, a first rectangular groove arranged on the right end face of the supporting shell 101, and a second rectangular groove arranged at the rear end of the first rectangular groove, wherein the first rectangular groove and the second rectangular groove are communicated and are obliquely arranged; through the arrangement of the first rectangular groove and the second rectangular groove, when the front side and the rear side of the mask are bent and deformed when the mask covers the mouth and the nose of a person, the two fixing plates 13 can enter the second rectangular groove, so that the mask and the supporting shell 101 are fixed more tightly, the problem that the mask falls off from the first rectangular groove on the supporting shell 101 and cannot slow down the emergency work is avoided, and the survival rate of the patient is reduced; when the mask needs to be replaced, the two sides of the mask are bent inwards only by force, and the two fixing plates 13 can be moved out of the first rectangular groove, so that the mask can be replaced conveniently; when a new mask needs to be replaced, only the two fixing plates 13 need to be forced to push towards the supporting shell 101 from the left side, the fixing plates 13 enter the first rectangular groove, the upper end of the mask shell 8 is clamped into the arc groove, and the second metal pipe 890 is inserted into the liquid inlet hole, so that the replacement of the mask can be completed.
The liquid suction device comprises a second metal tube 890 fixedly arranged at the left end of the air bag 3, a suction shell 200 fixedly arranged at the left end of the second metal tube 890, a suction space arranged in the suction shell 200, a first through hole arranged at the right end wall of the suction shell 200, a second through hole arranged at the left end wall of the suction shell 200, a rotating plate 201 hinged at the lower end wall of the suction space, and a baffle 202 fixedly arranged at the upper end wall of the suction space.
The liquid suction device also comprises a matching shell 203 fixedly arranged on the lower end wall of the air suction shell 200, a matching space arranged in the matching shell 203 and communicated with the air suction space, a long rod 204 arranged in the matching space in a vertically movable manner, and two supporting plates 205 fixedly arranged on the upper end and the lower end of the long rod 204 respectively.
The liquid suction device also comprises a first circular ring 206 fixedly arranged on the inner wall of the matching space, two extrusion springs respectively fixedly arranged on the left and right sides of the upper end face of the first circular ring 206 and connected with two lower supporting plates 205, an outlet hole arranged on the lower end wall of the matching space, a third communicating hose 207 communicated with the lower end of the outlet hole, a metal connecting pipe 208 fixedly arranged at the left end of the third communicating hose 207, a movable piston block arranged in the metal connecting pipe 208 in a manner of moving left and right, a first retaining ring 700 fixedly arranged at the right end of the movable piston block, a second retaining ring 701 fixedly arranged at the left end of the movable piston block, and two working springs fixedly arranged between the front and back sides of the right end of the second retaining ring 701 and the fixed piston block, wherein the communicating pipe is provided with a retaining cover which has the same principle as a beverage sharp bottle cover and is the prior art; extrude gasbag 3 with the hand, make the gas in the gasbag 3 get into people's mouth and nose through first intercommunication hose and carry out the oxygen suppliment, oxygen can strike rotor plate 201 simultaneously, rotor plate 201 can rotate downwards and press two faggings of upside 205, make upside fagging 205 move down, thereby make the volume in the third intercommunication hose reduce atmospheric pressure increase, thereby can inhale in the storage space saliva, thereby can avoid the human body can't swallow saliva in time and pile up in the mouth and hinder the transport of oxygen, thereby can increase the probability of saving success; the tongue can be abutted against the lower side of the abutting block 9 through the abutting block 9, so that the influence of the blockage of the throat by the tongue on the oxygen inhalation is avoided; the saliva can be prevented from flowing out of the storage space by the arrangement of the cover.
The squeezing device comprises an air bag space arranged on the inner wall of the air bag 3, a fixed pipe 400 fixedly arranged on the upper side of the inner wall of the air bag space, a lifting rod 401 arranged in the fixed pipe 400 in a vertically movable mode, a pressing plate 902 fixedly arranged at the lower end of the lifting rod 401, and an arc-shaped plate 402 fixedly arranged on the lifting rod 401.
The extruding device also comprises a second negative pressure component arranged on the arc-shaped plate 402, a pressing shell 403 fixedly arranged at the lower end of the arc-shaped plate 402, a pressing space arranged in the pressing shell 403, a rectangular groove arranged at the right end wall of the pressing space, transmission shafts rotatably arranged at the left end wall and the right end wall of the rectangular groove, torsion springs fixedly arranged on the transmission shafts, and a rotating plate 405 fixedly arranged on the transmission shafts, the rotary plate comprises a rectangular through groove arranged on the rotary plate 405, a rectangular groove fixedly arranged on the rear side of the lower end face of the rotary plate 405, two support plates fixedly arranged on the left and right sides of the lower end of the rectangular groove, balls arranged on the upper sides of the two support plates in a left-right moving mode, a connecting plate 406 fixedly arranged on the lower side of the balls, a working plate 407 fixedly arranged on the right end face of the pressing shell 403 and a working through hole arranged on the working plate 407, wherein one end of the torsion spring is fixedly arranged on the rear end wall of the rectangular groove.
The extrusion device further comprises a cylindrical rod 408 which is arranged in the working through hole in a vertically movable manner and is fixedly connected with the connecting plate 406, a pressing block 409, a stroke rod 999 which is fixedly arranged on the lower end face of the circular arc plate 402, a stroke cylindrical hole which is arranged in the cylindrical rod 408, and a detection assembly which is arranged on the lower side of the working plate 407, wherein the stroke rod 999 can vertically move in the stroke cylindrical hole; through pressing gasbag 3, lifter 401 can the rebound, lift 401 can drive clamp plate 902 rebound, clamp plate 902 can drive the right side of rotor plate 405 rotatory downwards, thereby can press the heart, length setting that is greater than the right-hand member of rotor plate 405 from the transmission shaft through the left end with rotor plate 405 is from the length of transmission shaft, thereby can reduce the required pressure of pressing gasbag 3, thereby utilize lever principle increase to press the power of heart, thereby avoid because the less heart of strength presses not in place and cause the rescue failure when nurse because of women nurse or old nurse uses, thereby make the use crowd of this equipment more extensive.
The second negative pressure component comprises a first air pressure space arranged in the arc-shaped plate 402, two fixed flat plates 789 respectively fixedly arranged on the left end surface and the right end surface of the arc-shaped plate 402, two matching shafts 651 respectively rotatably arranged at the front side and the rear side between the two fixed flat plates 789, two wrapping plates 411 respectively fixedly arranged on the two matching shafts 651, a second air pressure space arranged in the wrapping plates 411, and two rectangular air grooves respectively arranged on the two matching shafts 651, a movable threaded hole arranged on the upper end wall of the first air pressure space, a movable through pipe fixedly arranged at the lower end of the movable threaded hole, a working piston arranged in the movable through pipe in a vertically movable manner, a threaded rod 500 rotatably arranged at the upper end of the working piston, a handle 501 fixedly arranged at the upper end of the threaded rod 500, and a vent groove arranged on the end wall of one end of the second air pressure space facing the pressing block 409, wherein the lower end of the cylindrical block 499 is fixedly connected with the upper end of the pressing block 409; through the side of the left and right sides of wrapping up human chest with two wrappings board 411, rotate handle 501 with the hand, make working piston rebound, make the volume increase atmospheric pressure in first atmospheric pressure space and second atmospheric pressure space reduce, thereby can utilize atmospheric pressure to wrap up in the side about the chest with two wrappings board 411, avoid moving arc 402 when carrying out the chest to press, thereby press the piece 409 and can aim at the heart all the time and press, thereby can avoid pressing the heart position and press and salvage inefficacy because of pressing the board 409 skew, thereby reduce the fault rate of this equipment.
The detecting assembly comprises a cylindrical block 499 hinged at the lower end of the cylindrical rod 408, two grooves respectively arranged at the front and rear sides of the outer surface of the cylindrical block 499, a movable oblique block 410 movably arranged in the groove, a telescopic spring fixedly arranged between the movable oblique block 410 and the bottom of the groove, and two fixed oblique blocks 777 respectively fixedly arranged at the left and right sides of the lower end of the cylindrical rod 408.
The detection assembly further comprises two clamping plates 650 which are fixedly arranged on the lower end faces of the working plates 407 respectively, a plurality of clamping grooves are formed in the end faces of the opposite ends of the two clamping plates 650 respectively, and the positions of the clamping grooves on the two clamping plates 650 are symmetrically arranged; when the pressing plate 409 is not completely positioned in the centers of the two chests, the left side of the pressing plate is positioned on the rib of the chest or the right side of the pressing plate is positioned on the chest wall, the left side or the right side of the pressing plate stops going downwards when being blocked by the rib on the chest wall of the rib, one side of the pressing plate which is not in contact with the chest wall goes downwards, so that the pressing plate inclines, the movable inclined block 410 is separated from the lower end of the fixed inclined block 777, the movable inclined block 410 enters the clamping groove under the action of the expansion spring, the pressing plate 409 cannot move downwards continuously, the air bag 3 cannot be extruded, the correcting position can be found in time when the pressing plate 409 deviates from the centers of the two chests, the best rescue time is prevented from being delayed, the phenomenon that the rib is damaged due to overlarge force when the pressing plate positioned on the rib continues to move downwards is avoided, and the device is practical and safer to use.
The mask is made of PVC material.
It should be apparent that the described embodiments are only some 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.
Claims (6)
1. A multifunctional clinical teaching demonstration instrument is characterized in that: comprises a bed body (1), a back cushion (2) fixedly arranged on the upper end surface of the bed body (1), and a first-aid respirator arranged on the upper side of the bed body (1); the emergency respirator comprises a mask device for covering the mouth and the nose, a liquid suction device arranged on the mask device, a chest pressing device for pressing the chest, an air bag (3), an extrusion device arranged in the air bag (3), an oxygen storage tank (4), a one-way valve (1000) communicated with the right end of the air bag (3), a first communication hose (5) communicated between the one-way valve and the oxygen storage tank (4), a second communication hose (6), and a first metal pipe (7) fixedly arranged at the left end of the second communication hose (6), wherein the mask device comprises a mask, a first negative pressure component arranged on the first metal pipe (7), and a matching component arranged on the first metal pipe (7); the mask comprises a mask shell (8), an air inlet arranged at the right end of the mask shell (8), an annular space arranged at the left end of the mask shell (8) along the outline of the mask shell (8), a support block (9) arranged on the inner wall of the mask shell (8), a support block space arranged in the support block (9), two circular hole grooves respectively arranged at the front end wall and the rear end wall of the support block space, two communicating pipes (10) fixedly arranged on the two circular hole grooves, a liquid inlet hole arranged at the right end wall of the support block space, a storage shell (11) fixedly arranged at the right end of the support block (9), a storage space arranged in the storage shell (11), two first assembling plates (12) respectively fixedly arranged at the front side and the rear side of the right end of the mask shell (8), and two fixing plates (13) respectively fixedly arranged at the left ends of the two first assembling plates (12), the air inlet hole is communicated with the annular space, and the left end of the annular space is communicated with the outside; the first negative pressure assembly comprises a fixed shell (100) fixedly arranged at the upper end of the first metal pipe (7), a working hole arranged on the upper end surface of the fixed shell (100), a piston arranged in the working hole in a vertically movable manner, a connecting rod (799) fixedly arranged at the upper end of the piston, and a conical block (102) fixedly arranged at the upper end of the connecting rod (799); the first negative pressure assembly further comprises a first straight rod (103) fixedly arranged on the upper end face of the fixed shell (100), a trapezoidal groove formed in the upper end of the first straight rod (103), a moving plate (104) arranged on the upper side of the first straight rod (103) in a movable mode back and forth, a trapezoidal block fixedly arranged at the lower end of the moving plate (104) and located in the trapezoidal groove, a reset spring fixedly arranged between the rear end wall of the trapezoidal groove and the rear end of the trapezoidal block, and a through hole arranged on the left side of the inner wall of the working hole and communicated with the annular space, the lower end face of the moving plate (104) facing one side of the conical block (102) is arranged to be an inclined plane, and the left end face of the fixed shell (100) is arranged to be an arc groove.
2. A multi-functional clinical teaching demonstration instrument according to claim 1, wherein: the left side of the inner wall of the storage space is arc-shaped, and the upper end of the mask shell (8) is arranged to be in a semi-cylindrical tube shape.
3. A multi-functional clinical teaching demonstration instrument according to claim 1, wherein: the cooperation subassembly is including fixed two support casing (101) that set up in first tubular metal resonator (7) surface front and back side, set up at the first rectangular channel that supports casing (101) right-hand member face, set up the second rectangular channel at first rectangular channel rear end, be linked together and set up for the slope between first rectangular channel and the second rectangular channel.
4. A multi-functional clinical teaching demonstration instrument according to claim 1, wherein: the liquid suction device comprises a second metal pipe (890) fixedly arranged at the left end of the air bag (3), a suction shell (200) fixedly arranged at the left end of the second metal pipe (890), a suction space arranged in the suction shell (200), a first perforation arranged at the right end wall of the suction shell (200), a second perforation arranged at the left end wall of the suction shell (200), a rotating plate (201) hinged at the lower end wall of the suction space, and a baffle (202) fixedly arranged at the upper end wall of the suction space.
5. A multi-functional clinical teaching demonstration instrument according to claim 4, wherein: the liquid suction device also comprises a matching shell (203) fixedly arranged on the lower end wall of the air suction shell (200), a matching space arranged in the matching shell (203) and communicated with the air suction space, a long rod (204) arranged in the matching space in a vertically movable manner, and two supporting plates (205) fixedly arranged at the upper end and the lower end of the long rod (204) respectively.
6. A multi-functional clinical teaching demonstration instrument according to claim 5, wherein: the liquid suction device further comprises a first circular ring (206) fixedly arranged on the inner wall of the matching space, two extrusion springs fixedly arranged on the left side and the right side of the upper end face of the first circular ring (206) and connected with two supporting plates (205) on the lower side respectively, an outlet hole arranged on the lower end wall of the matching space, a third communicating hose (207) communicated with the lower end of the outlet hole, a metal connecting pipe (208) fixedly arranged at the left end of the third communicating hose (207), a movable piston block arranged in the metal connecting pipe (208) in a leftward-rightward moving mode, a first retaining ring (700) fixedly arranged at the right end of the movable piston block, a second retaining ring (701) fixedly arranged at the left end of the movable piston block, and two working springs fixedly arranged between the front side and the rear side of the right end of the second retaining ring (701) and the fixed piston block, wherein a retaining cover is arranged on the third communicating hose (207).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911324158.3A CN110975091B (en) | 2019-12-20 | 2019-12-20 | Multifunctional clinical teaching demonstration instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911324158.3A CN110975091B (en) | 2019-12-20 | 2019-12-20 | Multifunctional clinical teaching demonstration instrument |
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| CN110975091A CN110975091A (en) | 2020-04-10 |
| CN110975091B true CN110975091B (en) | 2022-06-28 |
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| CN201911324158.3A Active CN110975091B (en) | 2019-12-20 | 2019-12-20 | Multifunctional clinical teaching demonstration instrument |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8696362B2 (en) * | 1996-05-08 | 2014-04-15 | Gaumard Scientific Company, Inc. | Interactive education system for teaching patient care |
| CN203874248U (en) * | 2014-04-16 | 2014-10-15 | 中国人民解放军第四军医大学 | Breathing machine sanitary mask with negative pressure device |
| CN105944210B (en) * | 2016-05-12 | 2019-02-12 | 史树海 | Negative pressure oxygen mask |
| CN108404268A (en) * | 2018-03-30 | 2018-08-17 | 广东知识城运营服务有限公司 | A kind of respirator for the lazaretto ward can be used for desalivation |
| CN110200798A (en) * | 2019-06-06 | 2019-09-06 | 彭州市人民医院 | A kind of cardiac resuccitation formula emergency bed |
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