CN112652220B - Simulation people cardiopulmonary resuscitation presses depth measuring mechanism - Google Patents
Simulation people cardiopulmonary resuscitation presses depth measuring mechanism Download PDFInfo
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
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- 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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
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- G—PHYSICS
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Abstract
The invention discloses a simulation human cardiopulmonary resuscitation presses the depth measuring mechanism, connect with the hauling rope on the pressing plate of the simulation human thorax elasticity analog mechanism, another end of the hauling rope rounds the first fixed pulley set up under the thorax elasticity analog mechanism and connects with flexible elastic member, another end of the flexible elastic member is fixed on the simulation human back board or inner side of thorax, the flexible journey of the flexible elastic member is greater than or equal to the pressing stroke of the simulation human thorax elasticity analog mechanism, the thorax elasticity analog mechanism is when non-pressurized, the flexible elastic member is stretched to the maximum elastic length; and a distance measuring device for measuring the travel of the traction rope or the telescopic elastic part is arranged between the first fixed pulley and the telescopic elastic part. The simulated human cardiopulmonary resuscitation presses degree of depth measuring mechanism of this embodiment can effectively reduce the design thickness of simulated human chest structure, makes it have better simulated human simulation effect to can improve cardiopulmonary resuscitation and press degree of depth's measuring method and computational accuracy when control cost.
Description
Technical Field
The invention relates to the technical field of simulation of human cardio-pulmonary resuscitation compression, in particular to a simulation human cardio-pulmonary resuscitation compression depth measuring mechanism.
Background
The cardiopulmonary resuscitation simulator creates a simulation clinical simulation scene and a simulation patient by using a medical simulation technology, replaces a real patient to carry out an education method of clinical teaching and practice, develops medical model teaching, is a great progress of the clinical medical teaching, can improve the practical and manual ability of trainees, effectively solves the defects of 'heavy theory and light practice', and has important significance for training medical care rescuers.
The most basic and important index of the cardiopulmonary resuscitation simulator is the compression depth, so the cardiopulmonary resuscitation simulator at present has to have the function of simulating and measuring the compression depth, because the chest compression process is basically vertical compression, the conventional cardiopulmonary resuscitation compression depth measuring device of the simulator generally measures the vertical direction, so the chest of the simulator is required to have a stroke which meets the cardiopulmonary resuscitation compression depth (5-6 cm), and meanwhile, the compression depth measuring device is also arranged in the depth direction, the conventional chest simulating mechanism and depth measuring mechanism are mainly formed by combining mechanical devices, the chest thickness of the simulator is required to be designed to be thicker, the installation of the chest simulating mechanism and depth measuring device can be met, and further the authenticity of the simulator and the effectiveness of simulated compression training are influenced. The currently sold simulators can only meet the compression depth detection amount of 0-60mm, the standard requirement of cardiopulmonary resuscitation rescue requires that the training can meet the compression depth of at least 60mm, and the existing cardiopulmonary resuscitation simulators cannot meet the compression requirements due to the fact that the compression depth detection design is not reasonable enough. There is a need for an improved mechanism for measuring the depth of chest compressions in a human simulator.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the defects existing in the existing chest compression depth measuring process of the dummy, and further provide a novel cardiopulmonary resuscitation compression depth measuring mechanism for the dummy, and the novel cardiopulmonary resuscitation compression depth measuring mechanism can effectively reduce the designed chest thickness of the dummy.
In order to achieve the purpose, the invention adopts the following technical scheme:
a compression depth measuring mechanism for simulating human cardiopulmonary resuscitation is characterized in that a traction rope is connected to a compression plate of a human chest elasticity simulation mechanism, the other end of the traction rope bypasses a first fixed pulley arranged below the chest elasticity simulation mechanism and then is connected with a telescopic elastic piece, the other end of the telescopic elastic piece is fixed on a back plate or the inner side of a chest of the human simulator, the telescopic stroke of the telescopic elastic piece is larger than or equal to the compression stroke of the human chest elasticity simulation mechanism, and when the chest elasticity simulation mechanism is not compressed, the telescopic elastic piece is stretched to the maximum elastic length; the traction rope between the first fixed pulley and the telescopic elastic piece is parallel to the back plate or the back of the dummy, and a distance measuring device used for measuring the travel of the traction rope or the telescopic elastic piece is arranged between the first fixed pulley and the telescopic elastic piece.
Preferably, the distance measuring device is a grating distance measuring device, and comprises a grating plate fixedly arranged on the hauling rope, and a laser emitting device and a laser receiving device which are arranged on two sides of the grating plate, wherein the laser receiving device calculates the moving distance of the hauling rope according to the received optical signal.
Preferably, a second fixed pulley is arranged between the distance measuring device and the telescopic elastic piece, the traction rope is connected with the telescopic elastic piece after passing around the second fixed pulley, and the telescopic stroke of the telescopic elastic piece is arranged at an included angle with the traction rope between the first fixed pulley and the second fixed pulley.
Preferably, an included angle between the telescopic stroke of the telescopic elastic member and the traction rope between the first fixed pulley and the second fixed pulley is smaller than or equal to 90 degrees.
Preferably, a second fixed pulley is arranged between the distance measuring device and the telescopic elastic member, the traction rope winds around the second fixed pulley for 180 degrees and is connected with the telescopic elastic member, and the telescopic stroke of the telescopic elastic member is arranged in an antiparallel manner with the traction rope between the first fixed pulley and the second fixed pulley.
Preferably, the traction rope between the first fixed pulley and the second fixed pulley is disconnected to form two free ends, and the two free ends are respectively connected with two ends of the grating plate.
Preferably, the telescopic elastic member is a spring or a rubber band.
Preferably, the human chest cavity simulation mechanism comprises a pressing plate which is attached to the skin on the inner side of the human chest cavity and used for bearing pressing force, one end of the pressing plate is hinged to an upright column arranged along the depth direction of the chest cavity, and the other end of the pressing plate is a free end and is connected with the traction rope; the opposite one side of pressing plate and anthropomorphic dummy back sets up at least one and is used for simulating the elastic thorax spring of thorax, the one end of thorax spring is contradicted press plate, the other end of thorax spring is contradicted backplate or anthropomorphic dummy's back.
Preferably, the distance measuring device is provided with a correction module for correcting the numerical value of the compression depth.
The invention has the beneficial effects that:
according to the device for measuring the compression depth of the cardiopulmonary resuscitation of the human simulator, the pressing depth of the chest compression plate of the human simulator in the cardiopulmonary resuscitation process is converted into the horizontal stroke (compared with the compression direction) parallel to the backboard or the back of the human simulator through the traction rope, so that the design thickness of the chest structure of the human simulator can be effectively reduced, the human simulator has a better human simulation effect, and the measurement mode and the calculation precision of the compression depth of the cardiopulmonary resuscitation can be improved while the cost is controlled. The problems that the existing selling dummy can easily touch the structural limitation of the maximum stroke after the cardiopulmonary resuscitation is pressed and cannot be pressed continuously due to the obstruction of the internal structure are solved, and the problem that the dead point of the mechanism appears after the cardiopulmonary resuscitation is pressed too deeply can be avoided.
The mechanism for measuring the cardio-pulmonary resuscitation pressing depth of the dummy can realize deeper pressing depth than that of a sold dummy, namely the measuring range is wider, the maximum 0-75mm pressing stroke detection can be realized, the simulation training of the stroke with the pressing depth larger than 60mm during the resuscitation of a real person can be fully and truly simulated, the training skill is greatly improved, and the trained personnel can be helped to develop more scientific rescue skills.
Drawings
In order that the present invention may be more readily and clearly understood, reference is now made to the following detailed description taken in conjunction with the accompanying drawings, in which:
FIG. 1 is a schematic structural diagram of a compression depth measuring mechanism simulating human cardiopulmonary resuscitation according to the present invention;
fig. 2 is a schematic structural diagram of another embodiment of the mechanism for simulating the compression depth of the cardiopulmonary resuscitation of the human of the invention.
The reference numbers in the figures denote:
1-thoracic cavity elasticity simulation mechanism; 11-pressing plate; 12-a column; 13-chest spring; 2-a traction rope; 3-a first fixed pulley; 4-a flexible elastic member; 5-a back plate; 6-a distance measuring device; 61-a grating plate; 62-a laser emitting device; 63-a laser receiving device; 7. 7' -second fixed pulley.
Detailed Description
Referring to fig. 1, a compression depth measuring mechanism for simulating cardiopulmonary resuscitation of a human being, wherein a compression plate 11 of a chest elasticity simulation mechanism 1 of the human being is connected with a traction rope 2, the other end of the traction rope 2 bypasses a first fixed pulley 3 arranged below the chest elasticity simulation mechanism 1 and then is connected with a telescopic elastic member 4, the first fixed pulley mainly plays a role in changing the direction of the traction rope, other members with similar functions can be adopted, the other end of the telescopic elastic member 4 is fixed on a backboard 5 of the human being or the inner side of a chest, the telescopic stroke of the telescopic elastic member 4 is greater than or equal to the compression stroke of the chest elasticity simulation mechanism 1, and when the chest elasticity simulation mechanism 1 is not compressed, the telescopic elastic member 4 is stretched to the maximum elastic length; the traction rope 2 between the first fixed pulley 3 and the telescopic elastic piece 4 is parallel to the back plate 5 or the back of the dummy, and a distance measuring device 6 for measuring the stroke of the traction rope 2 or the telescopic elastic piece 4 is arranged between the first fixed pulley 3 and the telescopic elastic piece 4. The simulating human cardiopulmonary resuscitation of this embodiment presses degree of depth measuring mechanism, through with the simulating human in cardiopulmonary resuscitation in-process to the chest press the horizontal stroke (compare the direction of pressing) that the chest pressed the depth and turn into with simulating human backplate or back parallel through the haulage rope, and then can effectively reduce the design thickness of simulating human chest structure, make it have better simulating human simulation effect to can improve cardiopulmonary resuscitation and press the measuring method and the computational accuracy of degree of depth when control cost.
The hauling rope of the embodiment is preferably a nylon rope, and the press life of the hauling rope can reach more than 200 ten thousand times. Of course, in other embodiments, a thin wire rope or the like may be used. The mechanism for measuring the compression depth of the cardiopulmonary resuscitation simulator of the embodiment is designed to measure the compression depth in the horizontal X direction through the vertical direction (Z axis direction) of the compression device, so that the training of the compression depth of 0-75mm can be met on the premise of not increasing the thickness of the chest of the simulator, and the mechanism plays an important role in improving the success rate of cardiopulmonary resuscitation.
In this embodiment, the distance measuring device 6 is a grating distance measuring device, and includes a grating plate 61 fixedly disposed on the hauling rope, and a laser emitting device 62 and a laser receiving device 63 disposed on two sides of the grating plate, where the laser receiving device 63 calculates the moving distance of the hauling rope according to the received optical signal. Of course, in other embodiments, a distance measuring device with other structural forms may be adopted, and the specific structural form is not changed as long as the distance measuring device can measure the moving length of the traction rope and further calculate the pressing depth of the pressing plate.
In this embodiment, a second fixed pulley 7 is disposed between the distance measuring device 6 and the elastic telescopic element 4, the pulling rope 2 is connected to the elastic telescopic element 4 after passing around the second fixed pulley 7, and the telescopic stroke of the elastic telescopic element 4 and the pulling rope between the first fixed pulley 3 and the second fixed pulley 7 are arranged at an included angle. And preferably, the telescopic stroke of the telescopic elastic part 4 and the traction rope between the first fixed pulley 3 and the second fixed pulley 7 are equal to 90 degrees, namely the extension line of the traction rope is arranged by rotating 90 degrees at the second fixed pulley, the telescopic stroke of the telescopic elastic part can be arranged along the width direction of the chest cavity of the dummy, and the connecting line of the two fixed pulleys and the installation position of the distance measuring device are arranged along the length direction of the chest cavity of the dummy, so that the chest cavity structure of the dummy can be effectively utilized, enough installation space is provided for the traction rope and the telescopic elastic part, and the sizes of the thickness, the width and the length of the chest cavity of the dummy are not increased.
Of course, in other embodiments, the pulling rope between the elastic telescopic member and the two fixed pulleys may also be arranged in parallel, that is, a second fixed pulley 7' is arranged between the distance measuring device 6 and the elastic telescopic member 4, the pulling rope 2 is connected to the elastic telescopic member 4 after passing around the second fixed pulley 7' by 180 degrees, and the telescopic stroke of the elastic telescopic member 4 is arranged in anti-parallel with the pulling rope between the first fixed pulley 3 and the second fixed pulley 7', as shown in fig. 2.
Referring to fig. 1, the traction rope 2 between the first fixed pulley 3 and the second fixed pulley 7 of this embodiment is disconnected to form two free ends, and then the two free ends are respectively connected with two ends of the grating plate 61, so that the grating plate and the traction rope are connected into a whole. In other embodiments, the grating plate can be directly fixed on the traction rope to move back and forth with the traction rope. Of course, in order to ensure that the grating plate can move smoothly between the laser emitting device and the laser receiving device, a guiding device for guiding the grating plate to move may be provided, which is well known to those skilled in the art and will not be described herein again.
Preferably, the elastic member 4 is a spring or a rubber band, and other similar elastic members that contract or stretch in the longitudinal direction may be used.
Referring to fig. 1, in this embodiment, the human chest cavity elasticity simulation mechanism 1 includes the pressing plate 11 attached to the inner skin of the human chest cavity and used for bearing pressing force, one end of the pressing plate 11 is hinged to a vertical plate or a column 12 arranged along the depth direction of the chest cavity, and the other end of the pressing plate 11 is a free end and connected to the traction rope 2; the opposite one side of pressing plate 11 and anthropomorphic dummy back sets up a thorax spring 13 that is used for simulating thorax elasticity, thorax spring 13's one end is contradicted press plate 11, thorax spring 13's the other end is contradicted backplate 5 or anthropomorphic dummy's back to the thorax elasticity transform of simulation chest when carrying out cardiopulmonary resuscitation and pressing.
In order to further improve the precision of the anthropomorphic dummy for measuring the pressing depth, the distance measuring device 6 is provided with a correction module for correcting the numerical value of the pressing depth, the correction module can adopt a mechanical structure form for correction and also can adopt an electronic form for correction, as long as the precision value of the measuring depth can be improved, and the specific form is not limited.
The above embodiments are merely to explain the technical solutions of the present invention in detail, and the present invention is not limited to the above embodiments, and it should be understood by those skilled in the art that all modifications and substitutions based on the above principles and spirit of the present invention should be within the protection scope of the present invention.
Claims (8)
1. The utility model provides a simulate human cardiopulmonary resuscitation and press depth measuring mechanism which characterized in that: the chest cavity elasticity simulation mechanism is characterized in that a traction rope is connected to a pressing plate of the chest cavity elasticity simulation mechanism, the other end of the traction rope bypasses a first fixed pulley arranged below the chest cavity elasticity simulation mechanism and then is connected with a telescopic elastic piece, the other end of the telescopic elastic piece is fixed on the back plate or the inner side of the chest cavity of the human simulator, the telescopic stroke of the telescopic elastic piece is larger than or equal to the pressing stroke of the chest cavity elasticity simulation mechanism of the human simulator, and when the chest cavity elasticity simulation mechanism is not pressed, the telescopic elastic piece is stretched to the maximum elasticity length; a traction rope between the first fixed pulley and the telescopic elastic part is parallel to the back plate or the back of the dummy, and a distance measuring device for measuring the stroke of the traction rope or the telescopic elastic part is arranged between the first fixed pulley and the telescopic elastic part;
the simulating mechanism for simulating the elasticity of the human chest comprises a pressing plate which is attached to the inner skin of the human chest and used for bearing pressing force, one end of the pressing plate is hinged to an upright column arranged along the depth direction of the chest, and the other end of the pressing plate is a free end and is connected with the traction rope; the opposite one side of pressing plate and anthropomorphic dummy back sets up at least one and is used for simulating the elastic thorax spring of thorax, the one end of thorax spring is contradicted press plate, the other end of thorax spring is contradicted backplate or anthropomorphic dummy's back.
2. The simulated human cardiopulmonary resuscitation compression depth measurement mechanism of claim 1, wherein: the distance measuring device is a grating distance measuring device and comprises a grating plate fixedly arranged on the traction rope, and a laser emitting device and a laser receiving device which are arranged on two sides of the grating plate, wherein the laser receiving device calculates the moving distance of the traction rope according to received optical signals.
3. The simulated human cardiopulmonary resuscitation compression depth measurement mechanism of claim 2, wherein: the distance measuring device is characterized in that a second fixed pulley is arranged between the distance measuring device and the telescopic elastic piece, the traction rope is connected with the telescopic elastic piece after passing around the second fixed pulley, and the telescopic stroke of the telescopic elastic piece is arranged at an included angle with the traction rope between the first fixed pulley and the second fixed pulley.
4. The simulated human cardiopulmonary resuscitation compression depth measurement mechanism of claim 3, wherein: the included angle between the telescopic stroke of the telescopic elastic part and the traction rope between the first fixed pulley and the second fixed pulley is smaller than or equal to 90 degrees.
5. The simulated human cardiopulmonary resuscitation compression depth measurement mechanism of claim 2, wherein: the range unit is characterized in that a second fixed pulley is arranged between the range unit and the telescopic elastic member, the traction rope winds around the second fixed pulley for 180 degrees and is connected with the telescopic elastic member, and the telescopic stroke of the telescopic elastic member is in reverse parallel arrangement with the traction rope between the first fixed pulley and the second fixed pulley.
6. The simulated human cardiopulmonary resuscitation compression depth measurement mechanism of any one of claims 3-5, wherein: and disconnecting the traction rope between the first fixed pulley and the second fixed pulley to form two free ends, wherein the two free ends are respectively connected with two ends of the grating plate.
7. The simulated human cardiopulmonary resuscitation compression depth measurement mechanism of claim 1, wherein: the telescopic elastic piece is a spring or a rubber band.
8. The simulated human cardiopulmonary resuscitation compression depth measurement mechanism of claim 1, wherein: and the distance measuring device is provided with a correction module for correcting the pressing depth value.
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