Small animal cardiopulmonary resuscitation instrument

Abstract

The invention relates to the technical field of medical equipment, and discloses a small animal cardio-pulmonary resuscitation instrument which comprises a test bed, a touch screen, a lifting structure, a protective shell, a top, a connecting block, a pressing structure and a protective cover. According to the cardiopulmonary resuscitation instrument for the small animals, through the arrangement of the pressing structure, cardiopulmonary resuscitation operation can be carried out on the small animals with sudden cardiac arrest in the experiment process instead of hands, the cardiopulmonary resuscitation success rate of the small animals with sudden cardiac arrest can be effectively increased, and a theoretical basis is provided for external chest compression; the balance block is connected with the pressing head through the connecting rod so that the pressing head can conduct vertical reciprocating operation, the silica gel finger is arranged at the bottom, the force and touch sense of the human finger are deeply simulated, and therefore the preciseness of the external chest compression experiment is improved, and the pressing stroke of the pressing head can be adjusted through the first adjusting hole and the second adjusting hole so that the requirement for small animals of different sizes can be met. The flexibility of the device is improved.

Description

Technical Field

[0001] The invention relates to the technical field of medical equipment, in particular to a small animal cardiopulmonary resuscitation device. Background Art

[0002] Cardiac arrest is an emergency medical condition in which the heart suddenly stops contracting effectively, resulting in interruption of blood circulation, loss of consciousness and cardiac arrest. Small animal cardiopulmonary resuscitation experiment is an experimental method to simulate cardiac arrest and the subsequent resuscitation process. It is mainly used to study physiological changes after cardiac arrest, evaluate the effectiveness of resuscitation technology and explore treatment strategies after cardiac arrest.

[0003] However, manual compression is mostly used in small animal cardiopulmonary resuscitation experiments. It is difficult to achieve accurate, stable and effective chest compression during experimental operations, and it is difficult to ensure the accuracy of the experiment. Summary of the invention

[0004] 1. Technical issues to be resolved

[0005] In order to overcome the above-mentioned defects of the prior art, the present invention provides a small animal cardiopulmonary resuscitation device, which solves the problems in the prior art:

[0006] The experimental operation is difficult to achieve accurate, stable and effective chest compression, and it is difficult to ensure the accuracy of the experiment.

[0007] (II) Technical solution

[0008] To achieve the above purpose, the present invention is implemented through the following technical solutions: a small animal cardiopulmonary resuscitation instrument, including a test bench and a touch screen, the top of the test bench is provided with a touch screen for convenient control, the top of the test bench is provided with a lifting structure for convenient up and down adjustment, the outer surface of the lifting structure is sleeved with a protective shell, the protective shell is fixed to the top of the test bench, one side of the lifting structure is fixedly installed with a connecting block for convenient installation, the other side of the connecting block is fixedly installed with a pressing structure for cardiopulmonary resuscitation, the top of the pressing structure is sleeved with a protective cover for blocking dust, wherein:

[0009] The lifting structure includes a motor seat, a U-shaped slide rail, a top plate, a slider, a lead screw and a dustproof plate. Two U-shaped slide rails for supporting sliding are arranged on the top of the motor seat. The two U-shaped slide rails are installed in a horizontal direction and are symmetrical to each other. A top plate for closing is fixedly installed on the top of the U-shaped slide rail. Slide blocks for installation are clamped on the inner walls of the two U-shaped slide rails. A lead screw for control is movably installed on the bottom of the top plate. The lead screw passes through the interior of the slider and is threadedly connected thereto. A dustproof plate for protection is arranged on the top of the motor seat. The dustproof plate passes through the interior of the slider.

[0010] The pressing structure includes a mounting shell, a stepper motor, a balancing block, a connecting rod and a pressing head. A stepper motor for control is fixedly mounted on one side of the outer portion of the mounting shell, a balancing block for control is movably mounted on the inner wall of the mounting shell, the stepper motor is connected to the balancing block to control its rotation, a connecting rod for connection is fixedly mounted on one side of the balancing block, and a pressing head for facilitating pressing is fixedly mounted on one side of the lower end of the connecting rod.

[0011] Optionally, a driving motor for providing power is disposed inside the motor base, and a mounting plate for fixing is fixedly mounted on the top of the motor base.

[0012] Optionally, a plurality of mounting holes are provided on the front side of the slider, a slot is provided inside the slider for facilitating the passage of the U-shaped slide rail, a threaded hole is provided inside the slider for facilitating the installation of the lead screw, and the threaded hole is threadedly connected to the lead screw.

[0013] Optionally, a support seat for convenient fixation is provided at the bottom of the inner wall of the mounting shell, a sleeve plate for use with the support seat is fixedly installed on one side of the support seat, a rivet for convenient fixation is fixedly installed on one side of the sleeve plate, and the support seat and the sleeve plate are fixed by the rivet.

[0014] Optionally, an encoder for monitoring is provided at one external end of the stepper motor, and a driver for convenient control is provided at the top of the stepper motor.

[0015] Optionally, a balance rod for cooperative use is provided on the top of the balance block, a first adjustment hole for controlling the pressing frequency is opened on the outer side of the balance block, a second adjustment hole for control is opened on the outer side of the balance block, the second adjustment hole and the first adjustment hole are opened in the same plane and are symmetrical in the vertical direction, and the second adjustment hole is placed below the first adjustment hole.

[0016] Optionally, a buffer pad is provided on one side of the outside of the connecting rod for buffering, a screw is threadedly connected to one side of the outside of the connecting rod for convenient reinforcement, and an auxiliary rod is threadedly connected to the bottom of the connecting rod for coordinated use.

[0017] Optionally, a receiving block for facilitating installation is provided on the top of the pressing head, a fixing button for facilitating installation is threadedly connected to the bottom of the pressing head, and a silicone finger for facilitating pressing is provided on the bottom of the fixing button.

[0018] (III) Beneficial effects

[0019] The present invention provides a small animal cardiopulmonary resuscitation device, which has the following beneficial effects:

[0020] 1. The small animal cardiopulmonary resuscitation instrument can replace human hands to perform cardiopulmonary resuscitation on small animals with cardiac arrest during the experiment through the setting of the pressing structure, which can effectively improve the success rate of cardiopulmonary resuscitation of small animals with cardiac arrest and provide a theoretical basis for chest compression. The stepper motor drives the balance block to rotate, and the balance block is connected to the pressing head through a connecting rod to enable it to reciprocate up and down. Silicone fingers are provided at the bottom to deeply simulate the strength and touch of human fingers, thereby increasing the rigor of the chest compression experiment. The pressing stroke of the pressing head can be adjusted by providing a first adjustment hole and a second adjustment hole to meet the needs of small animals of different sizes and increase the flexibility of the device.

[0021] 2. The small animal cardiopulmonary resuscitation device is provided with a lifting structure, so that the device can be suitable for small animals of different sizes, increasing the flexibility of the device when in use. The lifting of the lifting structure is controlled by a touch screen, and the slider is threadedly connected to the lead screw, and the lead screw controls the lifting of the slider by rotation. A protective shell is also provided on the outer surface of the lifting structure to protect the lifting structure from damage. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the structure of the present invention;

[0023] Figure 2 It is a schematic diagram of the main structure of the lifting structure of the present invention;

[0024] Figure 3 This is a schematic diagram of the explosion structure of the lifting structure of the present invention;

[0025] Figure 4 This is a schematic diagram of the explosion structure of the pressing structure of the present invention;

[0026] Figure 5 This is a schematic diagram of the explosion structure of the installation shell of the present invention;

[0027] Figure 6 This is a schematic diagram of a touch screen control button in Embodiment 1 of the present invention;

[0028] Figure 7 The pressing distance and pressing waveform diagram adjusted by the lifting structure in the fifth embodiment of the present invention;

[0029] Figure 8 This is a smooth linear pressing waveform diagram obtained by opening the adjustment hole of the protective cover in Example 5 of the present invention.

[0030] In the figure: 1. test bench; 2. touch screen; 3. protective shell; 4. lifting structure; 41. motor seat; 411. drive motor; 412. mounting plate; 42. U-shaped slide rail; 43. top plate; 44. slider; 441. mounting hole; 442. slot; 443. threaded hole; 45. lead screw; 46. dustproof plate; 5. connecting block; 6. pressing structure; 61. mounting shell; 611. support seat; 612. sleeve plate; 613. rivet; 62. stepping motor; 621. encoder; 622. driver; 63. balance block; 631. balance bar; 632. first adjustment hole; 633. second adjustment hole; 64. connecting rod; 641. buffer pad; 642. screw; 643. auxiliary rod; 65. pressing head; 651. receiving block; 652. fixing button; 653. silicone finger; 7. protective cover. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] In order to make the technical means, creative features, objectives and effects of the present invention easy to understand, the following Figures 1 to 8 , the present invention is further explained.

[0033] Embodiment 1:

[0034] See also Figure 1 and Figure 6 , in order to place the small animals that need to be pressed and control the device when in use, a device test bench 1 and a touch screen 2 are provided;

[0035] The test bench 1 includes a test bench 1 and a touch screen 2. The top of the test bench 1 is provided with a touch screen 2 for easy control. The test bench 1 is convenient for placing small animals that need to be pressed. The surface of the test bench 1 is flat, which can provide a relatively stable test environment for the experiment. The touch screen 2 contains eight control buttons. The lifting structure 4 can be lifted and lowered using the touch screen 2. By clicking "manual up", the pressing structure 6 can be controlled to rise. By clicking "manual down", the pressing structure 6 can be controlled to fall. The minimum unit for a single adjustment is 0.1mm. The adjustable height is 20CM. Click "raise to high position". ", the pressing structure 6 rises to the highest point, "rat position" and "mouse position" are the height positions of the pressing structure 6 proposed in the article. Two commonly used height positions of the pressing mechanism, "rat position" and "mouse position", can be set to quickly switch the predetermined pressing positions of mice of different sizes. Click "to rat position" or "to mouse position", and the pressing structure 6 will move directly to the corresponding position. The positions of "rat position" and "mouse position" can be customized through the "+" and "-" small buttons in the corresponding keys. "Frequency setting" and "timing" are used to control the stepping motor 62.

[0036] Embodiment 2:

[0037] See also Figure 1 Figure 2 and Figure 3 , in order to facilitate the adjustment of the device, a device lifting structure 4 and a protective shell 3 are provided;

[0038] The top of the test bench 1 is provided with a lifting structure 4 for convenient up and down adjustment. The outer surface of the lifting structure 4 is sleeved with a protective shell 3, and the protective shell 3 is fixed to the top of the test bench 1. The lifting structure 4 includes a motor seat 41, a U-shaped slide rail 42, a top plate 43, a slider 44, a lead screw 45 and a dustproof plate 46. The top of the motor seat 41 is provided with two U-shaped slide rails 42 for supporting sliding. The two U-shaped slide rails 42 are installed in a horizontal direction and symmetrically with each other. The top of the U-shaped slide rail 42 is fixedly installed with a top plate 43 for closure. The inner walls of the two U-shaped slide rails 42 are clamped with sliders 44 for installation. The bottom of the slider 43 is movably provided with a lead screw 45 for control, the lead screw 45 penetrates the interior of the slider 44 and is threadedly connected thereto, the top of the motor seat 41 is provided with a dustproof plate 46 for protection, the dustproof plate 46 penetrates the interior of the slider 44, the interior of the motor seat 41 is provided with a driving motor 411 for providing power, the top of the motor seat 41 is fixedly provided with a mounting plate 412 for fixing, a plurality of mounting holes 441 for mounting are provided on one side of the front of the slider 44, a slot 442 for facilitating the passage of the U-shaped slide rail 42 is provided inside the slider 44, and a screw thread 46 is provided inside the slider 44 for facilitating the passage of the lead screw 45. The threaded hole 443 for installing the rod 45 is threadedly connected to the lead screw 45. Therefore, the setting of the motor seat 41 is to facilitate the installation of the drive motor 411, provide it with a stable working environment, and increase the integrity of the device. The setting of the mounting plate 412 is to facilitate the connection between the drive motor 411 and the lead screw 45 during use, and to facilitate the fixing of the dustproof plate 46. The setting of the U-shaped slide rail 42 is to facilitate the clamping of the slider 44 so that it can slide up and down. The setting of the top plate 43 is to close the top to prevent the slider 44 from moving out of the device. A mounting hole 441 is provided on one side to facilitate the fixation of the connecting block 5 and increase the integrity of the devices. The slot 442 is provided to facilitate the passage of the dustproof plate 46 to prevent the dustproof plate 46 from blocking the up and down movement of the slider 44. The threaded hole 443 is provided to facilitate the threaded connection with the lead screw 45. When the lead screw 45 rotates clockwise, it will provide a rightward force to the slider 44 to control the slider 44 to rise. When the lead screw 45 rotates counterclockwise, it will provide a leftward force to the slider 44 to control the slider 44 to descend. The dustproof plate 46 is provided to protect the lead screw 45 to prevent it from being damaged.

[0039] Embodiment three:

[0040] See also Figure 1 , Figure 4 and Figure 5 In order to facilitate the pressing operation on the small animal during use, a device connection block 5, a pressing structure 6 and a dust cover are provided;

[0041] A connecting block 5 for easy installation is fixedly installed on one side of the lifting structure 4, and a pressing structure 6 for cardiopulmonary resuscitation is fixedly installed on the other side of the connecting block 5. A protective cover 7 for blocking dust is sleeved on the top of the pressing structure 6. The pressing structure 6 includes a mounting shell 61, a stepper motor 62, a balancing block 63, a connecting rod 64 and a pressing head 65. A stepper motor 62 for control is fixedly installed on the outer side of the mounting shell 61, and a balancing block 63 for control is movably installed on the inner wall of the mounting shell 61. The stepper motor 62 is connected to the balancing block 63 to control its rotation. A connecting rod 64 for connection is fixedly installed on one side of the balancing block 63, and a pressing head 65 for convenient pressing is fixedly installed on the lower end of the connecting rod 64. The inner wall of the mounting shell 61 is provided with a stepper motor 62 for control. The stepper motor 62 is connected to the balancing block 63 to control its rotation. A support seat 611 for convenient fixation is provided at the bottom of the wall, a sleeve plate 612 for cooperating with the support seat 611 is fixedly installed on one side of the support seat 611, a rivet 613 for convenient fixation is fixedly installed on one side of the sleeve plate 612, the support seat 611 and the sleeve plate 612 are fixed by the rivet 613, a buffer pad 641 for buffering is provided on the outer side of the connecting rod 64, a screw 642 for convenient reinforcement is threadedly connected on the outer side of the connecting rod 64, an auxiliary rod 643 for cooperating use is threadedly connected at the bottom of the connecting rod 64, a receiving block 651 for convenient installation is provided at the top of the pressing head 65, a fixing button 652 for convenient installation is threadedly connected at the bottom of the pressing head 65, and a fixing button 652 for convenient installation is provided at the bottom of the fixing button 652 The silicone finger 653 is pressed, so the connection block 5 is set to connect the lifting structure 4 with the pressing structure 6 to increase its integrity. The dust cover is set to prevent dust from entering the interior of the pressing structure 6 during use and affecting the normal operation of the pressing structure 6. The installation shell 61 is set to facilitate the installation of various structures. The support seat 611 is set to cooperate with the sleeve plate 612 to support and limit the pressing head 65 to prevent it from deviating during the pressing process. The support seat 611 and the sleeve plate 612 are fixed by rivets 613 to prevent them from separating during use. The stepper motor 62 is set to drive the balance block 63 to rotate, and the balance block 63 drives the connecting rod 64 and the pressing head 65 to move up and down. The purpose of the device is to facilitate the connection between the balance block 63 and the pressing head 65 during use. The purpose of the buffer pad 641 is to prevent the rigid connection between the screw 642 and the connecting rod 64 from causing damage and to increase the service life of the device. The purpose of the auxiliary rod 643 is to facilitate the connection with the pressing head 65 and to increase the integrity of the device. The setting of the pressing head 65 is to facilitate the chest compression operation on small animals during use. The setting of the receiving block 651 is to facilitate the connection between the pressing head 65 and the connecting rod 64. The setting of the fixing button 652 is to facilitate the fixing of the device to the bottom of the pressing head 65. The setting of the silicone finger 653 is to simulate the pressing strength and feel of human fingers and to ensure the rigor of the experiment.

[0042] Embodiment 4:

[0043] See also Figure 5 and Figure 6 As a further preferred solution of the third embodiment, an encoder 621 for monitoring is provided at one end of the outside of the stepper motor 62, and a driver 622 for convenient control is provided at the top of the stepper motor 62. Therefore, the encoder 621 is provided to monitor the pressing frequency in real time to ensure that the pressing frequency is accurate, and the pressing frequency and time can be controlled by the two buttons "Frequency Setting" and "Timing" on the touch screen 2. The driver 622 is provided to ensure that the pressing frequency is consistent with the set frequency.

[0044] Embodiment five:

[0045] See also Figure 1 , Figure 4 and Figure 5 As a further preferred embodiment of the third embodiment, a balancing rod 631 for use in conjunction is provided on the top of the balancing block 63, a first adjusting hole 632 for controlling the pressing frequency is provided on one side of the outside of the balancing block 63, a second adjusting hole 633 for control is provided on one side of the outside of the balancing block 63, the second adjusting hole 633 and the first adjusting hole 632 are provided in the same plane and are symmetrical in the vertical direction, and the second adjusting hole 633 is placed below the first adjusting hole 632, so the balancing rod 631 is provided to cooperate with the balancing block 63 when in use to ensure its rotation stability, the first adjusting hole 632 is a 4mm hole position, the second adjusting hole 633 is an 8mm hole position, and the pressing stroke of 4-8mm can be adjusted. In theory, only raising the pressing structure 6 is equivalent to shortening the pressing stroke, but if a smooth pressing linearity is required, the protective cover 7 needs to be removed and the hole position needs to be manually adjusted to change the pressing amplitude.

[0046] The electrical components mentioned in this article are all connected to an external main controller and 220V mains electricity, and the main controller can be a conventional known device for controlling a computer or the like.

[0047] In the present invention, the working steps of the device are as follows:

[0048] First, turn on the device and place the small animal that needs to be pressed directly under the pressing head 65 of the pressing structure 6, observe whether the size of the small animal is a mouse or a rat, and by clicking the mouse position or rat position on the touch screen 2, the lifting structure 4 starts to operate, and the pressing structure 6 is moved to the top of the chest of the small animal. Fine-tune the pressing structure 6 to the appropriate position by using the manual up or manual down button on the touch screen 2, and then click the start button to operate the pressing structure 6 to perform cardiopulmonary resuscitation on the small animal. After the pressing is completed, click the raise to high position button, and the pressing structure 6 rises to the highest position. Turn off the device and remove the small animal from the device for recording.

[0049] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A small animal cardiopulmonary resuscitation instrument, comprising a test bench and a touch screen, characterized in that: The top of the test bench is provided with a touch screen for convenient control, the top of the test bench is provided with a lifting structure for convenient up and down adjustment, the outer surface of the lifting structure is sleeved with a protective shell, the protective shell is fixed to the top of the test bench, one side of the lifting structure is fixedly installed with a connecting block for convenient installation, the other side of the connecting block is fixedly installed with a pressing structure for cardiopulmonary resuscitation, the top of the pressing structure is sleeved with a protective cover for blocking dust, wherein: The lifting structure includes a motor seat, a U-shaped slide rail, a top plate, a slider, a lead screw and a dustproof plate. Two U-shaped slide rails for supporting sliding are arranged on the top of the motor seat. The two U-shaped slide rails are installed in a horizontal direction and are symmetrical to each other. A top plate for closing is fixedly installed on the top of the U-shaped slide rail. Slide blocks for installation are clamped on the inner walls of the two U-shaped slide rails. A lead screw for control is movably installed on the bottom of the top plate. The lead screw passes through the interior of the slider and is threadedly connected thereto. A dustproof plate for protection is arranged on the top of the motor seat. The dustproof plate passes through the interior of the slider. The pressing structure includes a mounting shell, a stepper motor, a balancing block, a connecting rod and a pressing head. A stepper motor for control is fixedly mounted on one side of the outer portion of the mounting shell, a balancing block for control is movably mounted on the inner wall of the mounting shell, the stepper motor is connected to the balancing block to control its rotation, a connecting rod for connection is fixedly mounted on one side of the balancing block, and a pressing head for facilitating pressing is fixedly mounted on one side of the lower end of the connecting rod.

2. A small animal cardiopulmonary resuscitation device according to claim 1, characterized in that: A driving motor for providing power is arranged inside the motor seat, and a mounting plate for fixing is fixedly mounted on the top of the motor seat.

3. A small animal cardiopulmonary resuscitation device according to claim 1, characterized in that: A plurality of mounting holes are provided on the front side of the slider for installation, a slot is provided inside the slider for facilitating the passage of the U-shaped slide rail, a threaded hole is provided inside the slider for facilitating the installation of the lead screw, and the threaded hole is threadedly connected to the lead screw.

4. A small animal cardiopulmonary resuscitation device according to claim 1, characterized in that: A support seat for convenient fixation is arranged at the bottom of the inner wall of the mounting shell, a sleeve plate for cooperating with the support seat is fixedly installed on one side of the support seat, a rivet for convenient fixation is fixedly installed on one side of the sleeve plate, and the support seat and the sleeve plate are fixed by the rivet.

5. A small animal cardiopulmonary resuscitation device according to claim 1, characterized in that: An encoder for monitoring is arranged at one end of the outside of the stepper motor, and a driver for convenient control is arranged at the top of the stepper motor.

6. A small animal cardiopulmonary resuscitation device according to claim 1, characterized in that: A balance rod for use in conjunction is arranged on the top of the balance block, a first adjustment hole for controlling the pressing frequency is opened on the outer side of the balance block, a second adjustment hole for control is opened on the outer side of the balance block, the second adjustment hole and the first adjustment hole are opened in the same plane and are symmetrical in the vertical direction, and the second adjustment hole is placed below the first adjustment hole.

7. A small animal cardiopulmonary resuscitation device according to claim 1, characterized in that: A buffer pad for buffering is arranged on one side of the outside of the connecting rod, a screw for convenient reinforcement is threadedly connected to one side of the outside of the connecting rod, and an auxiliary rod for coordinated use is threadedly connected to the bottom of the connecting rod.

8. A small animal cardiopulmonary resuscitation device according to claim 1, characterized in that: The top of the pressing head is provided with a receiving block for facilitating installation, the bottom of the pressing head is threadedly connected with a fixing button for facilitating installation, and the bottom of the fixing button is provided with a silicone finger for facilitating pressing.

Images