Cardiac compression device for thoracic surgery first aid

Abstract

The invention discloses a cardiac compression device for thoracic surgery first aid, and relates to the technical field of thoracic surgery first aid equipment, the cardiac compression device comprises a supporting structure, a compression mechanism and a buffer decompression structure, the compression mechanism is movably arranged on a horizontal plate and can slide in the length direction of the horizontal plate, the compression mechanism comprises a supporting body, and a first vertical groove is formed in the supporting body in a penetrating mode; a reciprocating assembly is arranged in the first vertical groove, the bottom of the reciprocating assembly is fixedly connected with a pressing head, and the upper end of the reciprocating assembly is connected with a reset mechanism. Through the arranged supporting structure, the height of the pressing head can be adjusted according to the body type of a patient, the situation of insufficient pressing or excessive pressing in the pressing process is prevented, the patient is pressed through the arranged pressing mechanism, manual operation is replaced, the labor intensity of workers is reduced, meanwhile, the stability of the pressing depth and frequency is guaranteed, and the working efficiency is improved. By arranging the buffering and pressure reducing structure, the thoracic cavity of the patient is buffered, and secondary damage to the thoracic cavity and ribs of the patient in the pressing process is avoided.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of thoracic surgery emergency equipment, and particularly relates to a heart pressing device for thoracic surgery emergency. BACKGROUND

[0002] Traditional cardiopulmonary resuscitation (CPR) relies on manual operation, which is difficult to ensure the stability of pressing depth and frequency, and the operation quality will decrease over time due to the rapid consumption of the rescuer's physical strength. Although the existing mechanical pressing device alleviates the above problems to a certain extent, there are still many limitations: first, most of the devices are bulky and have a complicated deployment and operation process, and some need to rely on a complex backboard structure to achieve fixation, or need to be connected with an external air supply device, which is difficult to quickly put into use in emergency scenes such as ambulances and emergency rooms; second, there is a lack of dynamic feedback and self-adaptive adjustment mechanism, which cannot adjust the pressing parameters in real time according to the physiological characteristics of the patient's chest elasticity, body size difference, etc., and is prone to insufficient or excessive pressing; third, in the existing inflatable auxiliary pressing device, the air bag is designed with rigid material, which has poor biocompatibility and wearing comfort, and is prone to secondary injury such as chest soft tissue contusion and rib fracture due to local pressure concentration, which poses a potential threat to emergency safety.

[0003] In view of this, the present application is proposed to solve the above technical problems. SUMMARY

[0004] The present application aims to provide a heart pressing device for thoracic surgery emergency, to solve the technical problems of the pressing device in the prior art, which is complicated to operate and inconvenient to adjust and feedback the pressing parameters according to the patient's body size.

[0005] The present application aims to provide a heart pressing device for thoracic surgery emergency, which comprises: A support structure is detachably arranged on the bed body, and the support structure comprises vertical plates vertically arranged on both sides of the bed body, and a horizontal plate slidably arranged between the two vertical plates; A pressing mechanism is movably arranged on the horizontal plate and can slide along the length direction of the horizontal plate, and the pressing mechanism comprises a support body, a first vertical groove is formed through the support body, a reciprocating assembly is arranged in the first vertical groove, a pressing head is fixedly connected to the bottom of the reciprocating assembly, and a reset mechanism is connected to the upper end of the reciprocating assembly; A buffer and pressure reduction structure comprises a bottom air bag arranged below the horizontal plate, the bottom air bag is arranged on the bed body, the bottom air bag is respectively connected with a first air bag and a second air bag, the first air bag and the second air bag are detachably connected at the end away from the bottom air bag, the bottom air bag is connected with an air pump through an air guide pipe, and an exhaust valve is arranged at the bottom of the bottom air bag.

[0006] Further, the reciprocating assembly comprises a sliding frame body slidingly arranged in the first vertical slot, and the pressing head is fixedly connected to the bottom of the sliding frame body. The sliding frame body is provided with teeth on both left and right sides. The sliding frame body is provided with a half gear in the middle, the half gear is engaged with any tooth, a center shaft is fixedly arranged in the center of the half gear, and the center shaft penetrates the support body at either end and is driven by the first driving motor.

[0007] Further, a second vertical slot is formed on one side of the first vertical slot, and a connecting slot is formed between the first vertical slot and the second vertical slot. A movable pressing block is arranged in the second vertical slot. A support rod is vertically arranged in the connecting slot, a top rod is hingedly connected to the upper end of the support rod, and the hinge point is located in the middle of the top rod. The left and right connecting rods are hingedly connected to the upper end of the sliding frame body and the upper end of the pressing block, respectively.

[0008] Further, a pressure sensor and a distance sensor are arranged on the bottom of the pressing head.

[0009] Further, a horizontal slot is formed on the horizontal plate along the length direction, and the inner side has a rim. A guide rail and a rack are arranged on the two rims, respectively, and the support body is slidingly arranged on the guide rail. A gear is arranged on the bottom of the side of the support body close to the rack, the gear is engaged with the rack, and the gear is driven by a self-locking motor.

[0010] Further, the side of the first air bag and the second air bag close to each other is respectively provided with a magic tape rough surface and a magic tape hook surface.

[0011] Further, the inner side of the vertical plate is provided with a lifting slot, and a rotatable driving rod is installed in the lifting slot along the height direction. Among them, the two driving rods are a lead screw and a round rod, respectively. The upper end of the lead screw penetrates the top of the vertical plate, and the lead screw is driven by a second driving motor. The horizontal plate is sleeved on the lead screw and the round rod at both ends, respectively. One end of the horizontal plate is screwed with the lead screw, and the other end is slidingly connected with the round rod.

[0012] Further, a detachable fixed clamp is installed on the outer side of the vertical plate, a tightening knob is arranged on the fixed clamp, the fixed clamp is clamped on the bed body, and the tightening knob abuts against the outer side of the bed body.

[0013] Further, a display screen is arranged on the vertical plate corresponding to the round rod, a microprocessor is arranged in the display screen, and the microprocessor is electrically connected with the first driving motor, the second driving motor, the self-locking motor, the air pump, the exhaust valve, the pressure sensor and the distance sensor.

[0014] Further, a protective cover is arranged on the top of the support body.

[0015] By adopting the technical scheme, the application has the following beneficial effects: The support structure is arranged, the height of the pressing head can be adjusted according to the body shape of the patient, so that the situation of insufficient pressing or over-pressing during pressing is prevented, then the pressing mechanism is arranged to press the patient, manual operation is replaced, the labor intensity of the staff is reduced, the stability of the pressing depth and frequency is ensured, the success rate of cardiopulmonary resuscitation on the patient is improved, and the chest cavity of the patient is buffered by the buffer decompression structure during pressing, so that the pressure is avoided to be concentrated, and the secondary damage of the chest cavity and the rib of the patient is avoided during pressing. BRIEF DESCRIPTION OF DRAWINGS

[0016] The accompanying drawings, which are part of the present application, serve to provide a further understanding of the application, and the schematic embodiments of the application and the description thereof serve to explain the application, but do not constitute an improper limitation on the application. Obviously, the drawings in the following description are only some embodiments, and other drawings can be obtained by those skilled in the art without creative labor on the basis of the drawings. In the drawings: Figure 1 The structure schematic view of the heart pressing device for thoracic surgery first aid and the bed body installation provided by the embodiment of the present application is shown; Figure 2 The structure schematic view of the heart pressing device for thoracic surgery first aid and the bed body installation provided by the embodiment of the present application is shown; Figure 1 The structure schematic view of the heart pressing device for thoracic surgery first aid and the bed body installation provided by the embodiment of the present application is shown; Figure 3 The front view of the heart pressing device for thoracic surgery first aid provided by the embodiment of the present application is shown; Figure 4 The vertical sectional view of the heart pressing device for thoracic surgery first aid provided by the embodiment of the present application is shown; Figure 3 The vertical sectional view of the heart pressing device for thoracic surgery first aid provided by the embodiment of the present application is shown; Figure 5 The structure schematic view of the heart pressing device for thoracic surgery first aid provided by the embodiment of the present application is shown; Figure 6 The structure schematic view of the heart pressing device for thoracic surgery first aid provided by the embodiment of the present application is shown; Figure 4 The structure schematic view of the heart pressing device for thoracic surgery first aid provided by the embodiment of the present application is shown; Figure 7 The structure schematic view of the heart pressing device for thoracic surgery first aid provided by the embodiment of the present application is shown. Figure 5 The structure schematic view of the heart pressing device for thoracic surgery first aid provided by the embodiment of the present application is shown.

[0017] The drawings are as follows: 1, bed body; 2, pressing mechanism; 3, support structure; 4, buffer pressure reduction structure; 5, fixed clamp; 6, display screen; 7, gear; 8, self-locking motor; 9, protective cover; 21, support body; 22, sliding frame body; 23, half gear; 24, pressing head; 25, pressing block; 26, supporting rod; 27, top rod; 28, left connecting rod; 29, right connecting rod; 31, vertical plate; 32, horizontal plate; 33, driving rod; 34, second driving motor; 35, edge; 36, guide rail; 37, rack; 41, bottom air bag; 42, first air bag; 43, second air bag; 44, air pump; 45, air guide pipe.

[0018] It should be noted that these drawings and written descriptions are not intended to limit the scope of the concept of the present application in any way, but to illustrate the concept of the present application to those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0019] The specific embodiments of the present application are further described in detail with reference to the accompanying drawings.

[0020] Referring to Figures 1 to 7 As shown, the heart pressing device for thoracic surgery emergency provided by the embodiments of the present application comprises a support structure 3, a pressing mechanism 2 and a buffer pressure reduction structure 4, which are detachably arranged on a bed body 1. The support structure 3 comprises vertical plates 31 arranged vertically on both sides of the bed body 1, and a horizontal plate 32 arranged movably on the horizontal plate 32 and slidable along the length direction of the horizontal plate 32 is arranged between the two vertical plates 31. The pressing mechanism 2 comprises a support body 21, a first vertical groove is formed through the support body 21, a reciprocating assembly is arranged in the first vertical groove, a pressing head 24 is fixedly connected to the bottom of the reciprocating assembly, and a reset mechanism is connected to the upper end of the reciprocating assembly. The reset mechanism comprises a bottom air bag 41 arranged below the horizontal plate 32, the bottom air bag 41 is arranged on the bed body 1, a first air bag 42 and a second air bag 43 are respectively communicated with the bottom air bag 41, one ends of the first air bag 42 and the second air bag 43 away from the bottom air bag 41 are detachably connected, the bottom air bag 41 is connected with an air pump 44 through an air guide pipe 45, and an exhaust valve is arranged at the bottom of the bottom air bag 41.

[0021] It should be noted that the bottom air bag 41, the first air bag 42 and the second air bag 43 are made of medical soft silicone material, can be inflated according to the shape of the chest cavity of the patient, and fit the area below the sternum; the upper end of the pressing head 24 is a simulated chest cavity structure, made of medical silicone material, and contacts the chest of the patient, and a corrugated sleeve is connected to the lower end of the pressing head 24 to buffer the pressing process.

[0022] In the above scheme, by setting the support structure 3, the height of the pressing head 24 can be adjusted according to the patient's body type, preventing insufficient or excessive pressing during pressing. Then, the pressing mechanism 2 is set to press the patient, replacing manual operation, reducing the labor intensity of the staff, while ensuring the stability of the pressing depth and frequency, improving the success rate of cardiopulmonary resuscitation on the patient. During the pressing process, the buffer pressure relief structure 4 is set to buffer the chest cavity of the patient, avoid pressure concentration, and avoid secondary damage to the chest cavity and ribs of the patient during the pressing process.

[0023] In some possible embodiments, referring to Figure 4 With Figure 6 As shown, the reciprocating assembly includes a sliding frame 22 slidingly arranged in the first vertical groove, the pressing head 24 is fixedly connected to the bottom of the sliding frame 22, the sliding frame 22 is provided with teeth on both sides, a half gear 23 is arranged in the middle of the sliding frame 22, the half gear 23 is at least engaged with any tooth, a center shaft is fixedly arranged through the center of the half gear 23, and the center shaft is arranged through the support body 21 at either end and driven by the first driving motor.

[0024] In the above scheme, when pressing the patient, the first driving motor is controlled to start, so that the output shaft of the first driving motor rotates to drive the center shaft to rotate, the center shaft rotates to drive the half gear 23 to rotate, and the half gear 23 rotates to engage with two teeth in turn, thereby driving the sliding frame 22 to reciprocate up and down, and the sliding frame 22 reciprocates up and down to press the chest cavity of the patient through the pressing head 24.

[0025] In some possible embodiments, referring to Figure 4 With Figure 6 As shown, the first vertical groove is provided with a second vertical groove on one side, a connecting groove is provided between the first vertical groove and the second vertical groove, a movable pressing block 25 is arranged in the second vertical groove, a supporting rod 26 is vertically arranged in the connecting groove, a top rod 27 is hingedly connected to the upper end of the supporting rod 26, and the hinge point is located in the middle of the top rod 27. The left connecting rod 28 and the right connecting rod 29 are respectively hingedly connected to the upper ends of the sliding frame 22 and the pressing block 25.

[0026] In the above scheme, the mass of the pressing block 25 is 2-3 times the mass of the pressing head 24, and after the pressing on the patient is completed, the pressing head 24 needs to be reset for the next use and for checking the heart and lung conditions of the patient; during the reciprocating sliding of the pressing head 24 up and down driven by the sliding frame 22, the upper end of the sliding frame 22 drives the pressing block 25 to reciprocate up and down through the left connecting rod 28, the top rod 27 and the right connecting rod 29, and after the first driving motor is turned off, the pressing head 24 continues to reciprocate up and down under the action of inertia, and the movement speed is rapidly reduced under the action of the pressing block 25, until the pressing head 24 abuts against the bottom of the support body 21 under the gravity of the pressing block 25.

[0027] In some possible embodiments, the bottom of the pressing head 24 is provided with a pressure sensor and a distance sensor, the pressure sensor is used to monitor the pressing force of the pressing head 24 on the chest of the patient in real time, and the distance sensor is used to detect the distance between the pressing head 24 and the chest of the patient before pressing the patient, so as to prevent insufficient or excessive pressing during pressing. Generally, the distance between the bottom of the pressing head 24 and the chest of the patient is about 8 cm when the pressing head 24 is stationary.

[0028] In some possible embodiments, referring to Figure 4 and Figure 6 , the horizontal plate 32 is provided with a transverse groove along the length direction thereof, and the inner side has a rim 35, two rims 35 are respectively provided with a guide rail 36 and a rack 37, the support body 21 is slidably arranged on the guide rail 36, and the support body 21 is provided with a gear 7 at the bottom near the side of the rack 37, the gear 7 is engaged with the rack 37, and the gear 7 is driven by a self-locking motor 8.

[0029] In the above scheme, the support body 21 is slidably arranged on the guide rail 36, and before pressing the chest of the patient, the position of the support body 21 needs to be adjusted, and after the pressing on the patient is completed, the support body 21 needs to be moved away so that the patient can be transferred and prevented from being collided.

[0030] In some possible embodiments, the first air bag 42 and the second air bag 43 are respectively provided with a Velcro rough surface and a Velcro hook surface on the side close to each other, so that the first air bag 42 and the second air bag 43 can wrap the chest of the patient, and after inflation, the chest of the patient can be buffered.

[0031] In some possible embodiments, referring to Figure 4As shown, the inner side of the vertical plate 31 is provided with a lifting groove, and a rotatable driving rod 33 is installed in the lifting groove along the height direction, wherein the two driving rods 33 are a lead screw and a round rod respectively, the upper end of the lead screw penetrates through the top of the vertical plate 31, and is driven by the second driving motor 34, and the horizontal plate 32 is sleeved on the lead screw and the round rod at both ends respectively, one end of the horizontal plate 32 is screwed with the lead screw, and the other end is slidingly connected with the round rod.

[0032] In the above scheme, there are differences between the body types of different patients, in order to improve the accuracy of pressing the patient, it is necessary to adjust the distance between the pressing head 24 and the patient's chest, and the pressing depth is generally 5-6mm, when adjusting the height of the pressing head 24, the second driving motor 34 is controlled to start, the second driving motor 34 drives the lead screw to rotate through the output shaft, so as to drive the pressing head 24 to move up and down through the horizontal plate 32.

[0033] In some possible implementation schemes, referring to Figures 1 to 5 As shown, the outer side of the vertical plate 31 is provided with a detachable fixing clamp 5, the fixing clamp 5 is provided with a screw knob, the fixing clamp 5 is clamped on the bed body 1, and the screw knob abuts against the outer side of the bed body 1.

[0034] In the above scheme, when fixing the position of the support structure 3, first, the support structure 3 is placed transversely on the bed body 1, then the fixing clamp 5 is clamped on the edge of the bed body 1, the fixing clamp 5 is fixed with the vertical plate 31, and finally the fixing clamp 5 is fixed by the screw knob, when adjusting the position of the support structure 3, the screw knob is loosened, the support structure 3 is moved as a whole, and then the support structure 3 is fixed again by the screw knob.

[0035] In some possible implementation schemes, referring to Figures 1 to 5As shown, the vertical plate 31 corresponding to the round rod is provided with a display screen 6, and the display screen 6 is provided with a microprocessor, which is electrically connected with the first driving motor, the second driving motor 34, the self-locking motor 8, the air pump 44, the exhaust valve, the pressure sensor and the distance sensor. The distance sensor is a laser displacement sensor (model: HL-G103-A-C5), which is used to monitor the moving distance of the pressing head 24, i.e. the pressing depth. The pressure sensor is a thin film pressure sensor (FSR406). After the patient lies on the bottom air bag 41, the distance sensor automatically detects the distance between the patient's chest and the pressing head 24, and transmits the result to the microprocessor through an electrical signal. The microprocessor processes the distance data. If the difference between the detected data and the preset value is greater than 0.5cm, the second driving motor 34 is controlled to start, so as to adjust the distance between the pressing head 24 and the patient's chest. At the same time, the display screen 6 controls the air pump 44 to start, so as to inflate the bottom air bag 41, the first air bag 42 and the second air bag 43. During the pressing process, the pressure sensor collects the pressing pressure in real time, and transmits the pressure to the microprocessor through an electrical signal. The microprocessor processes the pressure data. If the difference between the pressing pressure data and the preset value is greater than 10N, the second driving motor 34 is controlled to start, and the exhaust valve is opened, so as to adjust the distance between the pressing head 24 and the patient's chest.

[0036] In some possible embodiments, referring to Figure 6 As shown, the support body 21 is provided with a protective cover 9 at the top.

[0037] The specific embodiment is only an explanation of the application, which is not a limitation of the application. Those skilled in the art can make modifications to the embodiment without creative contribution according to the needs after reading the specification, as long as the modifications are within the protection scope of the application and are protected by the patent law.

Claims

1. A cardiac compression device for use in thoracic surgery emergencies, characterized in that, Include: Support structure (3) is detachably arranged on the bed body (1), the support structure (3) includes vertical plate (31) vertically arranged on both sides of the bed body (1), and horizontal plate (32) is arranged between the two vertical plate (31) and can slide up and down; Pressing mechanism (2) is movably arranged on the horizontal plate (32), and can slide along the length direction of the horizontal plate (32), the pressing mechanism (2) includes support body (21), the first vertical slot is vertically arranged in the support body (21), the reciprocating assembly is arranged in the first vertical slot, the bottom of the reciprocating assembly is fixedly connected with the pressing head (24), and the upper end of the reciprocating assembly is connected with the reset mechanism; The buffer pressure reducing structure (4) includes a bottom air bag (41) located below the horizontal plate (32), the bottom air bag (41) is arranged on the bed body (1), the first air bag (42) and the second air bag (43) are respectively communicated on the bottom air bag (41), the first air bag (42) and the second air bag (43) are detachably connected at the end away from the bottom air bag (41), the bottom air bag (41) is connected with the air pump (44) through the air guide pipe (45), and the bottom of the bottom air bag (41) is provided with an exhaust valve.

2. The cardiac compression device of claim 1, wherein, The reciprocating assembly includes a sliding frame (22) slidably arranged in the first vertical slot, and the pressing head (24) is fixedly connected to the bottom of the sliding frame (22); Both sides of the sliding frame (22) are provided with teeth; The middle of the sliding frame (22) is provided with a half gear (23), the half gear (23) is engaged with any one of the teeth, a center shaft is fixedly arranged in the center of the half gear (23), and the center shaft is arranged through the support body (21) at any end and is driven by the first driving motor.

3. The chest surgical emergency heart compression device according to claim 2, characterized in that, The first vertical slot is provided with a second vertical slot, and a connecting groove is arranged between the first vertical slot and the second vertical slot; The second vertical slot is provided with a slideable pressing block (25); The connecting groove is vertically provided with a supporting rod (26), the upper end of the supporting rod (26) is hingedly connected with a top rod (27), and the hinge point is located in the middle of the top rod (27), the two ends of the top rod (27) are respectively hingedly connected with a left connecting rod (28) and a right connecting rod (29), and the lower ends of the left connecting rod (28) and the right connecting rod (29) are respectively hingedly connected with the upper end of the sliding frame (22) and the upper end of the pressing block (25).

4. The cardiac compression device of claim 1, wherein, The bottom of the pressing head (24) is provided with a pressure sensor and a distance sensor.

5. The chest surgical emergency heart compression device according to claim 4, characterized in that The horizontal plate (32) is provided with a transverse slot along the length direction thereof, and the inner side has a rim (35); Two guide rails (36) and racks (37) are respectively arranged on the two rims (35), and the support body (21) is slidably arranged on the guide rail (36); The bottom of the support body (21) is provided with a gear (7) near the rack (37), the gear (7) is engaged with the rack (37), and the gear (7) is driven by the self-locking motor (8).

6. The chest surgical emergency heart compression device according to claim 5, characterized in that The first air bag (42) and the second air bag (43) are respectively provided with a magic tape rough surface and a magic tape hook surface on the side close to each other.

7. The cardiac compression device of claim 5, wherein the chest compression pad is configured to be placed on the patient's chest in a position to be compressed by the chest compression pad. The vertical plate (31) is provided with lifting grooves on the inner side, and the lifting grooves are provided with rotatable driving rods (33) along the height direction, wherein the two driving rods (33) are a screw rod and a round rod respectively, the upper end of the screw rod penetrates through the top of the vertical plate (31), and is driven by a second driving motor (34); The horizontal plate (32) is sleeved on the screw rod and the round rod at two ends respectively, one end of the horizontal plate (32) is screwed with the screw rod, and the other end is slidingly connected with the round rod.

8. The chest surgical emergency heart compression device according to claim 7, characterized in that The vertical plate (31) is provided with a detachable fixing clamp (5) on the outer side, the fixing clamp (5) is provided with a tightening knob, the fixing clamp (5) is clamped on the bed body (1), and the tightening knob abuts against the outer side of the bed body (1).

9. The chest surgical emergency heart compression device according to claim 8, characterized in that The vertical plate (31) corresponding to the round rod is provided with a display screen (6), the display screen (6) is provided with a microprocessor, and the microprocessor is electrically connected with the first driving motor, the second driving motor (34), the self-locking motor (8), the air pump (44), the exhaust valve, the pressure sensor and the distance sensor.

10. The cardiac compression device of claim 5, wherein, The support body (21) is provided with a protective cover (9) on the top.

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