Emergency auxiliary device for cardiac resuscitation

Abstract

The invention provides an emergency auxiliary device for cardiac resuscitation, which relates to the field of medical first-aid devices and comprises a cardiopulmonary compression device main body, a compression adjusting part, a fixed connecting belt, a fixed belt buckle, a compression driving motor, a locking driving wheel, a compression part, a centering locking mechanism and a compression adjusting mechanism, the pressing adjusting piece is slidably connected to the lower end of the front portion of the cardiopulmonary pressing device body. The pressing limiting pieces are slidably connected to the left side and the right side of the interior of the cardiopulmonary pressing device body correspondingly. The pressing driving motor is fixedly connected to the rear end of the cardiopulmonary pressing device body. The pressing piece is arranged below the cardiopulmonary pressing device main body; the centering locking mechanism is arranged on the inner side of the pressing limiting piece. The compression adjusting mechanism is arranged in the cardiopulmonary resuscitation compression device body, the compression depth of the compression device is adjusted through manual pressure testing of a doctor, the adjusting accuracy is guaranteed, and the problem that the use effect of the cardiopulmonary resuscitation compression device is affected due to the fact that certain errors exist when the doctor visually inspects the body shape of a patient in the prior art is solved.

Description

Technical Field

[0001] The present invention relates to the technical field of medical emergency devices, and in particular to an emergency auxiliary device for cardiac resuscitation. Background Art

[0002] Cardiopulmonary resuscitation is an emergency treatment measure aimed at restoring the autonomous circulation and breathing function of patients with cardiac arrest and respiratory arrest caused by various reasons (such as heart attack, drowning, suffocation, etc.) through artificial intervention. In order to reduce the labor intensity of medical staff and improve the efficiency of compression during cardiopulmonary resuscitation, cardiopulmonary resuscitation compressors are generally used for emergency assistance. The working principle of existing cardiopulmonary resuscitation compressors is mainly based on the mechanical principle of chest compression. The process of artificial chest compression is simulated by a mechanical device to achieve the purpose of restoring the patient's autonomous circulation and breathing.

[0003] The existing publication number is: CN103735402B. The present invention discloses a chest-abdomen alternating compression cardiopulmonary resuscitation device, comprising: a back plate, a support frame, left and right supports, and also comprising two pressers for chest-abdomen alternating compression cardiopulmonary resuscitation, a telescopic mechanism for adjusting the distance between the two pressers is provided between the two pressers, the presser for pressing the chest is fixedly connected to the support frame, the upper ends of the left and right supports are hinged to the two ends of the support frame through hinges, and the lower ends of the left and right supports are fixed to the two ends of the back plate through a snap structure. The present invention belongs to the field of medical devices, the chest-abdomen alternating compression cardiopulmonary resuscitation device adds abdominal lifting and pressing functions, overcomes the existing cardiac resuscitation mode of single chest pressing, promotes the amount of blood returning to the heart, increases the preload of the heart, and improves the success rate of rescue; alternating chest and abdomen compression helps blood flow to important organs, increases aortic pressure and central arterial pressure, and ensures blood supply and oxygen supply to important organs.

[0004] However, when using existing CPR compressors, due to the different body shapes of patients, doctors are generally required to adjust the pressing force and pressing depth of the CPR compressors according to the patient's body shape. However, there is a certain error in the doctor's visual estimation of the patient's body shape, which leads to errors in the adjustment of the CPR compressors, affecting the use effect of the CPR compressors. Summary of the invention

[0005] In view of this, the present invention provides an emergency auxiliary device for cardiac resuscitation, which has the function of adjusting the pressing depth of the compressor through manual pressure testing by a doctor, adjusting the pressing depth and pressure of the compressor, ensuring the accuracy of the adjustment, clamping the patient, ensuring that the pressing piece is in the middle position of the patient's chest cavity, ensuring the accuracy of the pressing position, and at the same time, making the entire compressor suitable for patients of different body shapes, thereby improving the scope of application of the entire compressor.

[0006] The present invention provides an emergency auxiliary device for cardiac resuscitation, which has the purpose and effect of comprising a cardiopulmonary compressor body, a pressing adjustment member, a pressing limiter, a fixed connecting belt, a fixed belt buckle, a pressing drive motor, a locking drive wheel, a pressing member, a centering locking mechanism and a pressing adjustment mechanism;

[0007] The pressing adjustment member is slidably connected to the front lower end of the cardiopulmonary pressor body;

[0008] The pressing limiters are provided in two groups, and the two groups of pressing limiters are respectively slidably connected to the left and right sides of the inside of the cardiopulmonary presser body, and the outer sides of the two groups of pressing limiters are both semicircular ring structures;

[0009] The fixed connection belt is fixedly connected to the lower end of a group of pressing and limiting members on the left side;

[0010] The fixed belt buckle is fixedly connected to the lower end of a group of pressing and limiting members on the right side, and the fixed connecting belt is clamped with the fixed belt buckle;

[0011] The compression drive motor is fixedly connected to the rear end of the cardiopulmonary compressor body;

[0012] The locking drive wheel is rotatably connected to the rear end of the cardiopulmonary compressor body;

[0013] The pressing member is arranged below the main body of the cardiopulmonary pressor;

[0014] The center locking mechanism is arranged on the inner side of the pressing limiter;

[0015] The compression adjustment mechanism is arranged inside the cardiopulmonary compressor body.

[0016] Further, the centering locking mechanism includes: a centering driving worm and a centering driving worm wheel;

[0017] The central drive worm is rotatably connected to the inside of the cardiopulmonary compressor body, and the central drive worm is coaxially fixedly connected to the front end of the locking drive wheel;

[0018] The central driving worm wheel is rotatably connected to the interior of the cardiopulmonary compressor body, and the central driving worm wheel is meshed with the central driving worm.

[0019] Furthermore, the center locking mechanism also includes: a center driving gear, a first driving rack and a second driving rack;

[0020] The center drive gear is coaxially fixedly connected to the upper end of the center drive worm gear;

[0021] The first drive rack is fixedly connected to the left end of a group of pressing and limiting members on the right side, and the first drive rack is meshed in front of the central drive gear;

[0022] The second driving rack is fixedly connected to the right end of a group of pressing and limiting members on the left side, and the second driving rack is meshed with the rear end of the central driving gear.

[0023] Further, the pressing adjustment mechanism includes: a pressing driving crankshaft;

[0024] The pressing drive crankshaft is coaxially fixedly connected to the front end of the rotating shaft of the pressing drive motor.

[0025] Furthermore, the pressing adjustment mechanism also includes: a pressing fixing member and a pressing transmission rod;

[0026] The pressing fixing piece is slidably connected to the inside of the cardiopulmonary pressor body, and a sliding groove structure is arranged at the lower end of the pressing fixing piece;

[0027] The upper end of the pressing transmission rod is hinged to the pressing driving crankshaft, and the lower end of the pressing transmission rod is hinged to the pressing fixing piece.

[0028] Furthermore, the press adjustment mechanism also includes: a press sliding member, a press connecting spring, a press adjustment rack, an adjustment return spring, a press adjustment gear and a press adjustment ratchet;

[0029] The pressing sliding member is slidably connected to the inner lower end of the pressing fixing member, and the pressing member is fixedly connected to the lower end of the pressing sliding member;

[0030] The pressing connection spring is fixedly connected to the inner lower end of the pressing fixing member, and the lower end of the pressing connection spring is fixedly connected to the pressing sliding member;

[0031] The pressing adjustment rack is slidably connected to the inner front end of the cardiopulmonary pressor body, and the pressing adjustment rack is fixedly connected to the upper part of the pressing adjustment member;

[0032] The adjustment return spring is fixedly connected to the inside of the cardiopulmonary pressor body, and the upper end of the adjustment return spring is fixedly connected to the pressing adjustment rack;

[0033] The compression adjustment gear is rotatably connected to the interior of the cardiopulmonary compressor body, and the compression adjustment gear is meshed with the compression adjustment rack;

[0034] The press-adjusting ratchet is coaxially fixedly connected to the right side of the press-adjusting gear.

[0035] Furthermore, the pressing adjustment mechanism also includes: a first adjustment gear, a second adjustment gear, an adjustment drive screw, an adjustment fixing plate, a first limiter and a second limiter;

[0036] The first adjustment gear is coaxially fixedly connected to the right end of the press adjustment ratchet;

[0037] The second adjusting gear is rotatably connected to the interior of the cardiopulmonary compressor body, and the second adjusting gear is meshed with the first adjusting gear;

[0038] The adjusting drive screw reciprocating screw structure, the adjusting drive screw is coaxially fixedly connected to the lower end of the second adjusting gear;

[0039] The adjusting fixing plate is fixedly connected to the inside of the cardiopulmonary pressor body, and the adjusting fixing plate is arranged on the periphery of the adjusting driving screw;

[0040] The first stopper is slidably connected to the interior of the cardiopulmonary pressor body, and the first stopper is threadedly connected to the adjustment drive lead screw;

[0041] The second limiting member is fixedly connected to the front end of the second limiting member, and the second limiting member is arranged above the first limiting member.

[0042] Furthermore, the pressure adjustment mechanism also includes: a reset button and a reset buzzer;

[0043] The reset button is a push switch structure, and the reset button is fixedly connected below the adjustment fixing plate;

[0044] The reset buzzer is fixedly connected to the front end of the adjustment fixing plate, a battery is arranged inside the reset buzzer, and the reset buzzer is electrically connected to the reset button.

[0045] Compared with the prior art, the present invention has the following beneficial effects:

[0046] The present invention places the pressing limit pieces on both sides of the patient's chest cavity through the setting of the center locking mechanism, and then passes the fixed connecting belt under the patient to rotate the locking driving wheel. The rotation of the locking driving wheel drives the center driving worm to rotate, the rotation of the center driving worm drives the center driving worm wheel to rotate, the rotation of the center driving worm wheel drives the center driving gear to rotate, the rotation of the center driving gear drives the first driving rack and the second driving rack to move towards each other, the first driving rack and the second driving rack move towards each other and drive the two groups of pressing limit pieces to move towards each other, the opposite movement of the pressing limit pieces realizes the clamping of the patient, ensures that the pressing piece is in the middle position of the patient's chest cavity, ensures the accuracy of the pressing position, and at the same time, makes the entire presser suitable for patients of different body sizes, thereby improving the application range of the entire presser.

[0047] The present invention sets a press-adjusting mechanism, wherein the press-adjusting member moves downward and drives the press-adjusting rack to move downward, and the press-adjusting rack moves downward and drives the press-adjusting gear to rotate, and the press-adjusting gear rotates and drives the press-adjusting ratchet to rotate, and the press-adjusting ratchet rotates and drives the press-adjusting ratchet to rotate, and the press-adjusting ratchet rotates and drives the first adjusting gear to rotate, and the first adjusting gear rotates and drives the second adjusting gear to rotate, and the second adjusting gear rotates and drives the adjusting driving screw to rotate, and the adjusting driving screw rotates and drives the first limiting member to move downward, and at this time, the position of the first limiting member is adjusted by the downward pressing distance of the press-adjusting member, thereby realizing the first limiting member and the second limiting member. To adjust the spacing between the positions, turn on the pressing drive motor, the rotation of the pressing drive motor's shaft drives the pressing drive crankshaft to rotate, the rotation of the pressing drive crankshaft drives the pressing transmission rod to move up and down, the pressing transmission rod moves up and down and drives the pressing fixed part to move up and down, the pressing fixed part moves up and down and drives the pressing sliding part to move up and down, the pressing sliding part moves up and down and drives the second limiting part to move up and down, the second limiting part is limited by the first limiting part, and the pressing depth of the press is adjusted through the doctor's manual pressure test, and the pressure depth and pressure of the press are adjusted to ensure the accuracy of the adjustment. BRIEF DESCRIPTION OF THE DRAWINGS

[0048] In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings of the embodiment are briefly introduced below.

[0049] The drawings described below are only related to some embodiments of the present invention, but are not intended to limit the present invention.

[0050] In the attached picture:

[0051] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present invention.

[0052] Figure 2 Schematic diagram of the structure of a pressing drive motor according to an embodiment of the present invention.

[0053] Figure 3 It is a schematic diagram of the structure of a press-driven crankshaft according to an embodiment of the present invention.

[0054] Figure 4 It is a schematic structural diagram of the center locking mechanism of an embodiment of the present invention.

[0055] Figure 5 It is a schematic diagram of the structure of a pressing transmission rod according to an embodiment of the present invention.

[0056] Figure 6 Schematic diagram of the reset buzzer structure of an embodiment of the present invention.

[0057] Figure 72 is a schematic diagram of the structure of a pressing sliding member according to an embodiment of the present invention.

[0058] Figure 8 It is a schematic diagram of the structure of the pressing adjustment mechanism of an embodiment of the present invention.

[0059] Reference numerals list

[0060] 1. Cardiopulmonary compressor body; 101. Center drive worm; 102. Center drive worm wheel; 103. Center drive gear; 104. First drive rack; 105. Second drive rack; 2. Press adjustment member; 3. Press limit member; 4. Fixed connection belt; 5. Fixed belt buckle; 6. Press drive motor; 601. Press drive crankshaft; 602. Press fixing member; 603. Press transmission rod; 604. Press sliding member; 60 5. Press the connecting spring; 606. Press the adjusting rack; 607. Adjust the reset spring; 608. Press the adjusting gear; 609. Press the adjusting ratchet; 610. The first adjusting gear; 611. The second adjusting gear; 612. Adjust the driving screw; 613. Adjust the fixing plate; 614. The first limiting member; 615. The second limiting member; 616. Reset button; 617. Reset buzzer; 7. Lock the driving wheel; 8. Press the member. DETAILED DESCRIPTION

[0061] Example 1: Please refer to Figures 1 to 4 As shown:

[0062] The present invention provides an emergency auxiliary device for cardiac resuscitation, comprising a cardiopulmonary compressor body 1, a pressing adjustment member 2, a pressing limiter 3, a fixed connecting belt 4, a fixed belt buckle 5, a pressing drive motor 6, a locking drive wheel 7, a pressing member 8 and a centering locking mechanism;

[0063] The pressing adjustment member 2 is slidably connected to the front lower end of the cardiopulmonary pressor body 1;

[0064] There are two groups of pressing limiters 3, which are slidably connected to the left and right sides of the heart-lung presser body 1, respectively, and the outer sides of the two groups of pressing limiters 3 are both semicircular ring structures;

[0065] The fixed connection belt 4 is fixedly connected to the lower end of a group of pressing and limiting members 3 on the left side;

[0066] The fixed belt buckle 5 is fixedly connected to the lower end of a group of pressing and limiting members 3 on the right side, and the fixed connecting belt 4 is clamped with the fixed belt buckle 5;

[0067] The compression drive motor 6 is fixedly connected to the rear end of the cardiopulmonary compressor body 1;

[0068] The locking drive wheel 7 is rotatably connected to the rear end of the cardiopulmonary compressor body 1;

[0069] The pressing member 8 is arranged below the cardiopulmonary pressor body 1;

[0070] The center locking mechanism is arranged on the inner side of the pressing limiter 3 .

[0071] The center locking mechanism includes: a center driving worm 101, a center driving worm wheel 102, a center driving gear 103, a first driving rack 104 and a second driving rack 105;

[0072] The central driving worm 101 is rotatably connected to the inside of the cardiopulmonary compressor body 1, and the central driving worm 101 is coaxially fixedly connected to the front end of the locking driving wheel 7;

[0073] The central driving worm wheel 102 is rotatably connected to the inside of the cardiopulmonary compressor body 1, and the central driving worm wheel 102 is meshed with the central driving worm 101;

[0074] The center driving gear 103 is coaxially fixedly connected to the upper end of the center driving worm gear 102;

[0075] The first driving rack 104 is fixedly connected to the left end of a group of pressing and limiting members 3 on the right side, and the first driving rack 104 is meshed in front of the central driving gear 103;

[0076] The second driving rack 105 is fixedly connected to the right end of the left group of pressing and limiting members 3 , and the second driving rack 105 is meshed with the rear end of the central driving gear 103 .

[0077] During use, when cardiopulmonary resuscitation is required for the patient, the pressing limit members 3 are placed on both sides of the patient's chest cavity, and then the fixed connecting belt 4 is passed under the patient's body to rotate the locking drive wheel 7. The locking drive wheel 7 rotates to drive the central driving worm 101 to rotate, and the central driving worm 101 rotates to drive the central driving worm wheel 102 to rotate. The central driving worm wheel 102 rotates to drive the central driving gear 103 to rotate. The central driving gear 103 rotates to drive the first driving rack 104 and the second driving rack 105 to move in opposite directions. The first driving rack 104 and the second driving rack 105 move in opposite directions and drive the two groups of pressing limit members 3 to move in opposite directions. The pressing limit members 3 move in opposite directions to clamp the patient, ensure that the pressing member 8 is in the middle position of the patient's chest cavity, ensure the accuracy of the pressing position, and at the same time, the entire press can be suitable for patients of different body sizes, thereby improving the scope of application of the entire press.

[0078] Embodiment 2:

[0079] The present invention provides an emergency auxiliary device for cardiac resuscitation. Based on the first embodiment, Figures 1 to 8 As shown, it also includes a pressing adjustment mechanism, which is arranged inside the cardiopulmonary compressor body 1.

[0080] The pressing adjustment mechanism includes: a pressing driving crankshaft 601, a pressing fixing member 602, a pressing transmission rod 603, a pressing sliding member 604, a pressing connecting spring 605, a pressing adjustment rack 606, an adjustment reset spring 607, a pressing adjustment gear 608, a pressing adjustment ratchet 609, a first adjustment gear 610, a second adjustment gear 611, an adjustment driving screw 612, an adjustment fixing plate 613, a first limiter 614, a second limiter 615, a reset button 616 and a reset buzzer 617;

[0081] The pressing drive crankshaft 601 is coaxially fixedly connected to the front end of the rotating shaft of the pressing drive motor 6;

[0082] The pressing fixing member 602 is slidably connected to the inside of the cardiopulmonary pressor body 1, and a sliding groove structure is provided at the lower end of the pressing fixing member 602;

[0083] The upper end of the pressing transmission rod 603 is hinged to the pressing driving crankshaft 601, and the lower end of the pressing transmission rod 603 is hinged to the pressing fixing member 602;

[0084] The pressing sliding member 604 is slidably connected to the inner lower end of the pressing fixing member 602, and the pressing member 8 is fixedly connected to the lower end of the pressing sliding member 604;

[0085] The pressing connection spring 605 is fixedly connected to the inner lower end of the pressing fixing member 602, and the lower end of the pressing connection spring 605 is fixedly connected to the pressing sliding member 604;

[0086] The pressing adjustment rack 606 is slidably connected to the inner front end of the cardiopulmonary compressor body 1, and the pressing adjustment rack 606 is fixedly connected to the upper part of the pressing adjustment member 2;

[0087] The adjustment return spring 607 is fixedly connected to the inside of the cardiopulmonary compressor body 1, and the upper end of the adjustment return spring 607 is fixedly connected to the pressing adjustment rack 606;

[0088] The pressing adjustment gear 608 is rotatably connected to the inside of the cardiopulmonary compressor body 1, and the pressing adjustment gear 608 is meshed with the pressing adjustment rack 606;

[0089] The press-adjust ratchet 609 is coaxially fixedly connected to the right side of the press-adjust gear 608;

[0090] The first adjustment gear 610 is coaxially fixedly connected to the right end of the pressing adjustment ratchet 609;

[0091] The second adjustment gear 611 is rotatably connected to the inside of the cardiopulmonary compressor body 1, and the second adjustment gear 611 is meshed with the first adjustment gear 610;

[0092] The adjusting driving screw 612 is a reciprocating screw structure, and the adjusting driving screw 612 is coaxially fixedly connected to the lower end of the second adjusting gear 611;

[0093] The adjustment fixing plate 613 is fixedly connected to the inside of the cardiopulmonary compressor body 1, and the adjustment fixing plate 613 is arranged on the outer periphery of the adjustment driving screw 612;

[0094] The first stopper 614 is slidably connected to the inside of the cardiopulmonary pressor body 1, and the first stopper 614 is threadedly connected to the adjustment drive screw 612;

[0095] The second limiting member 615 is fixedly connected to the front end of the second limiting member 615 , and the second limiting member 615 is arranged above the first limiting member 614 ;

[0096] The reset button 616 is a push switch structure, and the reset button 616 is fixedly connected below the adjustment fixing plate 613;

[0097] The reset buzzer 617 is fixedly connected to the front end of the adjustment fixing plate 613 , a battery is arranged inside the reset buzzer 617 , and the reset buzzer 617 is electrically connected to the reset button 616 .

[0098] During use, when cardiopulmonary resuscitation is required for the patient, the doctor first presses the pressing adjustment member 2 downward, and the pressing adjustment member 2 moves downward, driving the pressing adjustment rack 606 to move downward, and the pressing adjustment rack 606 moves downward, driving the pressing adjustment gear 608 to rotate, and the pressing adjustment gear 608 rotates, driving the pressing adjustment ratchet 609 to rotate, and the pressing adjustment ratchet 609 rotates, driving the pressing adjustment ratchet 609 to rotate, and the pressing adjustment ratchet 609 rotates, and the first adjusting gear 610 rotates, and the first adjusting gear 610 rotates, and the second adjusting gear 611 rotates, and the adjusting drive screw 612 rotates, and the adjusting drive screw 612 rotates and drives the first limit member 614 to move downward, and at this time, the first limit member 614 is adjusted by pressing the distance of the pressing adjustment member 2 downward. The position of 614 is adjusted, thereby realizing the adjustment of the distance between the first limit piece 614 and the second limit piece 615, and the pressing drive motor 6 is turned on. The rotation of the rotating shaft of the pressing drive motor 6 drives the pressing drive crankshaft 601 to rotate, and the rotation of the pressing drive crankshaft 601 drives the pressing transmission rod 603 to move up and down, and the pressing transmission rod 603 moves up and down to drive the pressing fixed piece 602 to move up and down, and the pressing fixed piece 602 moves up and down to drive the pressing sliding piece 604 to move up and down, and the pressing sliding piece 604 moves up and down to drive the pressing piece 8 to move up and down, and the pressing piece 8 moves up and down, and at the same time, the pressing sliding piece 604 moves up and down to drive the second limit piece 615 to move up and down, and the second limit piece 615 moves up and down and is limited by the first limit piece 614. At this time, the pressing depth and pressure of the press are adjusted to ensure the accuracy of the adjustment.

Claims

1. An emergency auxiliary device for cardiac resuscitation, comprising a cardiopulmonary compressor body (1), a pressing adjustment member (2), a pressing limiter (3), a fixed connecting belt (4), a fixed belt buckle (5), a pressing drive motor (6), a locking drive wheel (7), a pressing member (8), a centering locking mechanism and a pressing adjustment mechanism; characterized in that: The pressing adjusting member (2) is slidably connected to the front lower end of the cardiopulmonary pressing device body (1); the pressing limiting member (3) is provided in two groups, and the two groups of pressing limiting members (3) are respectively slidably connected to the left and right sides of the inside of the cardiopulmonary pressing device body (1), and the outer sides of the two groups of pressing limiting members (3) are both semicircular ring structures; the fixed connecting belt (4) is fixedly connected to the lower end of the left group of pressing limiting members (3); the fixed belt buckle (5) is fixedly connected to the right group of pressing limiting members (3), the fixed connecting belt (4) is clamped with the fixed belt buckle (5); the pressing drive motor (6) is fixedly connected to the rear end of the cardiopulmonary pressor body (1); the locking drive wheel (7) is rotatably connected to the rear end of the cardiopulmonary pressor body (1); the pressing member (8) is arranged below the cardiopulmonary pressor body (1); the center locking mechanism is arranged on the inner side of the pressing limit member (3); and the pressing adjustment mechanism is arranged inside the cardiopulmonary pressor body (1).

2. An emergency auxiliary device for cardiac resuscitation as claimed in claim 1, characterized in that: The centering locking mechanism comprises: a centering driving worm (101) and a centering driving worm wheel (102); the centering driving worm (101) is rotatably connected to the inside of the cardiopulmonary pressor body (1), and the centering driving worm (101) is coaxially fixedly connected to the front end of the locking driving wheel (7); the centering driving worm wheel (102) is rotatably connected to the inside of the cardiopulmonary pressor body (1), and the centering driving worm wheel (102) is meshed with the centering driving worm (101).

3. An emergency auxiliary device for cardiac resuscitation as claimed in claim 2, characterized in that: The centering locking mechanism also includes: a centering driving gear (103), a first driving rack (104) and a second driving rack (105); the centering driving gear (103) is coaxially fixedly connected to the upper end of the centering driving worm gear (102); the first driving rack (104) is fixedly connected to the left end of a group of pressing and limiting members (3) on the right side, and the first driving rack (104) is meshed in front of the centering driving gear (103); the second driving rack (105) is fixedly connected to the right end of a group of pressing and limiting members (3) on the left side, and the second driving rack (105) is meshed at the rear end of the centering driving gear (103).

4. An emergency auxiliary device for cardiac resuscitation as claimed in claim 1, characterized in that: The pressing adjustment mechanism comprises: a pressing drive crankshaft (601); the pressing drive crankshaft (601) is coaxially fixedly connected to the front end of the rotating shaft of the pressing drive motor (6).

5. An emergency auxiliary device for cardiac resuscitation as claimed in claim 4, characterized in that: The pressing adjustment mechanism also includes: a pressing fixing piece (602) and a pressing transmission rod (603); the pressing fixing piece (602) is slidably connected to the inside of the cardiopulmonary pressor body (1), and a sliding groove structure is provided at the lower end of the pressing fixing piece (602); the upper end of the pressing transmission rod (603) is hinged to the pressing drive crankshaft (601), and the lower end of the pressing transmission rod (603) is hinged to the pressing fixing piece (602).

6. An emergency auxiliary device for cardiac resuscitation as claimed in claim 5, characterized in that: The press adjustment mechanism also includes: a press sliding member (604), a press connecting spring (605), a press adjusting rack (606), an adjustment reset spring (607), a press adjusting gear (608) and a press adjusting ratchet (609); the press sliding member (604) is slidably connected to the inner lower end of the press fixing member (602), and the press member (8) is fixedly connected to the lower end of the press sliding member (604); the press connecting spring (605) is fixedly connected to the inner lower end of the press fixing member (602), and the lower end of the press connecting spring (605) is fixedly connected to the press sliding member (604); the press adjusting member (604) is slidably connected to the inner lower end of the press fixing member (602), and the lower end of the press connecting spring (605) is fixedly connected to the press sliding member (604); The rack (606) is slidably connected to the internal front end of the cardiopulmonary pressor body (1), and the pressure adjustment rack (606) is fixedly connected to the top of the pressure adjustment member (2); the adjustment reset spring (607) is fixedly connected to the inside of the cardiopulmonary pressor body (1), and the upper end of the adjustment reset spring (607) is fixedly connected to the pressure adjustment rack (606); the pressure adjustment gear (608) is rotatably connected to the inside of the cardiopulmonary pressor body (1), and the pressure adjustment gear (608) is meshed with the pressure adjustment rack (606); the pressure adjustment ratchet (609) is coaxially fixedly connected to the right side of the pressure adjustment gear (608).

7. An emergency auxiliary device for cardiac resuscitation as claimed in claim 6, characterized in that: The compression adjustment mechanism also includes: a first adjustment gear (610), a second adjustment gear (611), an adjustment drive screw (612), an adjustment fixing plate (613), a first limiter (614) and a second limiter (615); the first adjustment gear (610) is coaxially fixedly connected to the right end of the compression adjustment ratchet (609); the second adjustment gear (611) is rotatably connected to the inside of the cardiopulmonary compressor body (1), and the second adjustment gear (611) is meshed with the first adjustment gear (610); the adjustment drive screw (612) is a reciprocating screw structure, and the adjustment drive screw (612) is coaxially fixedly connected to the lower end of the second adjusting gear (611); the adjusting fixing plate (613) is fixedly connected to the inside of the cardiopulmonary pressor body (1), and the adjusting fixing plate (613) is arranged on the outer periphery of the adjusting driving screw (612); the first limiting member (614) is slidably connected to the inside of the cardiopulmonary pressor body (1), and the first limiting member (614) is threadedly connected to the adjusting driving screw (612); the second limiting member (615) is fixedly connected to the front end of the second limiting member (615), and the second limiting member (615) is arranged above the first limiting member (614).

8. An emergency auxiliary device for cardiac resuscitation as claimed in claim 7, characterized in that: The press adjustment mechanism further comprises: a reset button (616) and a reset buzzer (617); the reset button (616) is a press switch structure, and the reset button (616) is fixedly connected to the bottom of the adjustment fixing plate (613); the reset buzzer (617) is fixedly connected to the front end of the adjustment fixing plate (613), a battery is arranged inside the reset buzzer (617), and the reset buzzer (617) is electrically connected to the reset button (616).

Images