CN216629128U - Cardio-pulmonary resuscitation pressing device - Google Patents

Abstract

The utility model discloses a cardio-pulmonary resuscitation pressing device, which comprises a main machine and a binding belt, wherein the main machine comprises a rotary driving part, two moving parts which move relatively and a shell for supporting the parts; the rotary driving part drives the two moving parts, namely the first moving part and the second moving part to move synchronously, the moving directions of the first moving part and the second moving part are opposite, and the two moving parts are respectively connected with the binding bands on two sides of the main machine so as to drive the binding bands to move relative to the main machine; and the lower pressing piece is arranged on one side of the main machine and is driven by the rotary driving part to perform synchronous axial movement. The utility model has reasonable and compact structure and small volume, can reduce the pressing depth and the contraction length and simultaneously can achieve the due pressing quality, thereby reducing the harm to patients.

Description

Cardio-pulmonary resuscitation pressing device

Technical Field

The utility model relates to the field of cardio-pulmonary resuscitation equipment, in particular to a cardio-pulmonary resuscitation pressing device.

Background

At present, cardiopulmonary resuscitation press device is used in the pre-hospital first aid more, present cardiopulmonary resuscitation press device is many that direct setting pushes down the part single-point and presses the patient chest, the range of pressing of common cardiopulmonary resuscitation press device is limited, the unable effective perfusion blood flow volume to heart and brain that improves of this kind of mode, it is bigger to press the degree of depth, and cause the injury to the patient easily, and cardiopulmonary resuscitation press device's volume ratio is bigger, the height ratio of instrument is than higher, carry the operation inconvenient to pre-hospital first aid, can't use the patient on one's body fast.

SUMMERY OF THE UTILITY MODEL

The cardio-pulmonary resuscitation pressing device provided by the utility model has the advantages of reasonable and compact structure and small volume, and can reduce the pressing depth and the contraction length and achieve the due pressing quality, thereby reducing the injury to patients.

In order to achieve the purpose, the utility model provides the following technical scheme: a cardiopulmonary resuscitation press device comprises a main machine and a binding belt, wherein the main machine comprises a rotary driving part, two moving parts which move relatively and a shell for supporting the two moving parts;

the rotary driving part drives the two moving parts, namely the first moving part and the second moving part to move synchronously, the moving directions of the first moving part and the second moving part are opposite, and the two moving parts are respectively connected with the binding bands on two sides of the main machine to drive the binding bands to move relative to the main machine;

and the lower pressing piece is arranged on one side of the main machine, and the rotary driving component drives the lower pressing piece to synchronously and axially reciprocate while driving the two moving components.

Preferably, the rotary driving part is a through-type motor, the push-down piece comprises a push head and a transmission rod inserted into the middle of the through-type motor and connected with the rotor in a rotation-proof manner, and the transmission rod is driven to axially move through the rotation of the rotor of the through-type motor.

Preferably, the transmission rod is a screw rod, and a screw nut engaged with the screw rod is installed inside a rotor of the rotary driving part.

Preferably, the first moving part and the second moving part are in a long strip-shaped structure, strip-shaped hollow grooves are formed in the first moving part and the second moving part, and racks are arranged on the side walls, meshed with the driving gear, in the strip-shaped hollow grooves of the first moving part and the second moving part.

Preferably, the rotor of the through motor is connected with the driving gear through a speed reducer.

Preferably, the speed reducer is a planetary speed reducer.

Preferably, at least one bandage hook is arranged at the end part of the first moving part and the second moving part, and the end part of the bandage is hung on the bandage hook.

Preferably, the main machine is formed by mutually covering a base and a cover, the middle part of the base defines a placing inner cavity for limiting and placing the rotary driving part, and the cover is provided with a pressing plate for pressing the rotary driving part.

Preferably, the top of the inner side of the cover is provided with a convex rib part, and the convex rib part is arranged around the driving gear.

Preferably, the machine base is internally provided with control element placing cavities at two sides of the placing inner cavity, and the control element placing cavities are internally provided with batteries and/or control units.

Compared with the prior art, the utility model has the beneficial effects that:

(1) the structure is reasonable and compact, the whole gravity center is low, the carrying is convenient, the device can be quickly worn on a patient for use, the use is more stable, and the requirement of pre-hospital first aid is met;

(2) utilize the first movable part of rotary driving part simultaneous drive and second movable part to remove, realize the flexible of bandage, still utilize the rotary driving part to carry out simultaneously with the shrink of the screw drive structure realization pushing down of piece that pushes down of piece simultaneously, can reduce like this and press the quality of pressing that also can reach when pressing the degree of depth and shrink length should to reduce the injury to the patient.

Drawings

FIG. 1 is a front view structural diagram of the present invention;

FIG. 2 is a perspective view of the present invention;

FIG. 3 is a half-sectional view of the body of the present invention in its original state;

FIG. 4 is a half-sectional view showing a depressed state of the body of the present invention;

FIG. 5 is a partial block diagram of a first embodiment of the present invention;

FIG. 6 is a perspective view of the cover of the present invention;

FIG. 7 is a partial perspective view of a second embodiment of the present invention;

FIG. 8 is a partial top view block diagram of a second embodiment of the present invention;

FIG. 9 is a partial perspective view of a third embodiment of the present invention;

FIG. 10 is a partial top view structural diagram of a third embodiment of the present invention;

FIG. 11 is a partial half sectional view in elevation of a third embodiment of the present invention;

FIG. 12 is a partial perspective view of a fourth embodiment of the present invention;

fig. 13 is a partial top structural view of a fourth embodiment of the present invention.

Reference numerals: 1. the device comprises a main machine, 11, a cover, 12, a base, 13, a placing inner cavity, 14, a driving gear, 15, a pressing plate, 16, a convex rib part, 2, a binding band, 21, a driving turntable, 22, a hollow groove, 23, an arc convex surface, 24, a convex part, 25, a convex guide strip, 26, an inner concave part, 3, a pressing piece, 31, a transmission rod, 32, a pressing head, 4, a rotary driving part, 41, a sliding block, 42, a kidney-shaped through hole, 43, a synchronous driving gear, 44, a driving gear, 45, a guide column, 46, an annular guide groove, 51, an incomplete gear, 52, a first gear, 53, a transition gear, 54, a second gear, 6, a speed reducer, 7, a first moving part, 8, a second moving part, 9, a control element placing cavity, 10, a binding band hook, a second distance, b, a third distance, c and a first distance.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1-6, the utility model relates to a cardiopulmonary resuscitation pressing device, which comprises a main machine 1 and a binding belt 2, wherein the main machine 1 comprises a rotary driving part 4, two moving parts which move relatively and a shell for supporting the parts;

the rotary driving part drives the two moving parts, namely the first moving part 7 and the second moving part 8 to move synchronously, the moving directions of the first moving part 7 and the second moving part 8 are opposite, and the two moving parts are respectively connected with the binding bands 2 on two sides of the main machine 1 so as to drive the binding bands 2 to move relative to the main machine 1;

and the lower pressing piece 3 is arranged on one side of the main machine 1 and is driven by the rotary driving part 4 to synchronously move axially.

Through the linkage of the rotary driving part 4, the pressing of the pressing piece 3 can be realized while the binding belt 2 is contracted.

In a preferred embodiment, the rotary driving member 4 is a through motor, the lower member 3 includes a pressing head 32 and a transmission rod 31 inserted into a middle portion of the through motor and connected to the rotor in a rotation-proof manner, and the transmission rod 31 is driven to move axially by rotation of the rotor of the through motor, wherein the through motor is also an ultra-thin through motor to reduce the overall height of the main frame 1, and is small and portable, and the main frame has a weight not greater than 1.5 Kg.

The rotor of the through type motor is arranged in the middle of the motor, a through hole with internal threads is arranged in the rotor and is matched with the transmission rod 31, the stator is arranged on the outer side of the rotor, the rotor can rotate after being electrified, screw rod transmission is formed between the rotor and the transmission rod 31, the circumferential rotation of the lower pressing piece 3 is limited, only circumferential movement is left, and as an anti-rotation structure, anti-rotation grooves can be axially arranged on two sides of the transmission rod 31, anti-rotation protrusions embedded into the anti-rotation grooves are arranged on the through type motor, so that the transmission rod 31 cannot rotate when the rotor rotates, the rotation of the rotor is converted into the axial movement of the lower pressing piece 3, the lower pressing piece 3 is pressed and returned through the forward and backward rotation of the rotor, the pressing frequency of the lower pressing piece 3 is 102 times per minute and is used as the matching relation between the transmission rod 31 and the rotor, the transmission rod 31 can be in traditional threaded connection, so that the transmission rod is equivalent to a screw rod, a spiral guide groove can be formed in the side wall of an inner hole of the rotor, a bolt embedded into the spiral guide groove is arranged on the transmission rod 31, the transmission rod 31 can axially move through the movement of the bolt along the spiral guide groove, and the two matching relations have respective advantages and disadvantages and can be selected according to requirements.

When the transmission rod 31 is used as a lead screw, in order to better realize lead screw transmission, as another structure of the through motor, the middle part of a rotor of the through motor can be connected with a lead screw nut, and the lead screw nut can be detached, so that a thread matched with the transmission rod 31 does not need to be processed on the rotor of the through motor, and the lead screw nut is matched and connected with the transmission rod 31, so that the through motor is more convenient.

When the through-type motor rotates, the first moving part 7 and the second moving part 8 can be driven to move relatively, so that the binding band 2 is driven to contract into the main machine 1.

If the mode of single point pressing among the prior art, then the degree of depth that pushing down 3 pushed down is 5cm, and the mode that the bandage 2 shrink in this patent and pushing down 3 and go on simultaneously, then perpendicular pressing item degree of depth is about 3 to 4cm, thorax extrusion item degree of depth is about 1 to 2cm, just can satisfy the requirement, it is thus clear that, the degree of depth of extrathoracic pressing has been reduced, the injury to the patient has been reduced, before realizing ambulance or professional emergency personnel arrive, provide and last high-quality pressing, in order to maintain better pouring, the time of the rhythm of the heart of can defibrillating is prolonged, provide basic condition for professional rescue.

As shown in fig. 5, as a preferable mode of driving the first moving member 7 and the second moving member 8 by the rotation driving member 4, the rotation driving member 4 is a through motor or a general motor, a driving gear 14 is connected to a rotor of the rotation driving member 4, racks are provided on the first moving member 7 and the second moving member 8, the driving gear 14 is engaged with the racks on the first moving member 7 and the second moving member 8 at the same time, and the driving gear 14 can drive the first moving member 7 and the second moving member 8 at the same time to move synchronously.

In this embodiment, the first moving part 7 and the second moving part 8 may be selected to be a long strip structure, and have a strip-shaped hollow groove, the strip-shaped hollow groove is closed, the width of the strip-shaped hollow groove matches with the driving gear 14, different side walls of the strip-shaped hollow groove of the first moving part 7 and the second moving part 8 are provided with racks, the first moving part 7 and the second moving part 8 are stacked, and the driving gear 14 is embedded into the strip-shaped hollow groove and engaged with the racks, so that not only the occupied space of the whole transmission mechanism is small, but also the driving gear 14 is not easy to be disengaged from the strip-shaped hollow groove when rotating, and therefore, the structure is compact and stable and reliable movement can be realized.

As a second embodiment of the relative movement of the first moving member 7 and the second moving member 8 driven by the rotary driving member 4, as shown in fig. 7-8, two driving rotating discs 21 are stacked on the output end of the rotary driving member 4, the two driving rotating discs 21 are arranged in a staggered manner around the output end of the rotary driving member 4 and respectively correspond to the hollow grooves 22 on the first moving member 7 and the second moving member 8, the driving rotating discs 21 are in an equilateral polygon structure, the number of the driving rotating discs 21 is singular, and the offset angle between the two driving rotating discs 21 is related to the number of the equilateral driving rotating discs 21, specifically, it is ensured that one vertex angle on one of the driving rotating discs 21 is located at the middle position between two adjacent vertex angles of the other driving rotating disc 21.

In this embodiment, the equilateral middle of the driving turntable 21 forms an inner concave portion 26, two opposite inner side walls perpendicular to the moving direction of the first moving component 7 and the second moving component 8 on the hollow groove 22 are relatively provided with protruding portions 24, wherein line segments of all straight lines passing through the center point of the driving turntable 21 and cut by the edge of the driving turntable 21 are equal in length, the protruding portions 24 on two sides are sequentially and alternately matched with the inner concave portion 26 when the driving turntable 21 rotates, so that the first moving component 7 and the second moving component 8 can be driven to synchronously move in opposite directions, and the structure enables the first moving component 7 and the second moving component 8 to generate a larger pulling force when moving, and the effect of external chest compression is better.

In this embodiment, as shown in fig. 8, a distance between the opposite protruding portions 24 is a first distance c, a distance between a center point of the driving turntable 21 and a vertex of the driving turntable 21 is a second distance a, and a distance between the center point of the driving turntable 21 and the concave portion 26 is a third distance b, wherein a magnitude relationship among the first distance c, the second distance a, and the third distance b is: a + b is more than or equal to c and less than 2a, the size relation can ensure that the convex parts 24 on the two sides can be sequentially and alternately matched with the concave parts 26 when the driving turntable 21 rotates, the clamping condition cannot be caused, as an optimal scheme, the sum of the second distance a and the third distance b is equal to the first distance c, the contact matching between the concave parts 26 of the driving turntable 21 and the corresponding convex parts 24 is smoother due to the matching, and the noise and the vibration during the working are smaller.

In this embodiment, as preferred scheme, the both sides of drive carousel 21 apex angle all be provided with arc convex surface 23, arc convex surface 23 form corresponding interior concave part 26, arc convex surface 23 makes the effort between interior concave part 26 and the bellying 24 be along arc edge tangential, be difficult to appear blocking, the contact cooperation is more smooth and easy.

In the present embodiment, the driving dial 21 has a regular triangle structure or a regular pentagon structure, such as the driving dial 21 having a regular triangle structure in fig. 7-8, or may have a regular pentagon structure, and may be selected according to the moving distance of the first moving member 7 and the second moving member 8 and the contraction frequency of the strap.

As a third embodiment of the relative movement of the first moving member 7 and the second moving member 8 driven by the rotation driving member 4, as shown in fig. 9-11, the first moving member 7 and the second moving member 8 are both provided with a sliding block 41 in an embedded manner, two sliding blocks 41 are provided with a kidney-shaped through hole 42 corresponding to each other in position, a rack is provided on a side wall of the kidney-shaped through hole 42, a synchronous driving gear 43 engaged with the rack is provided in the corresponding kidney-shaped through hole 42, the sliding blocks 41 in the first moving member 7 and the second moving member 8 can be moved in the horizontal front-back and left-right directions by engaging with the rack provided along the edge of the kidney-shaped through hole 42 when the synchronous driving gear 43 rotates, and the first moving member 7 and the second moving member 8 can be driven to move synchronously when the sliding block 41 moves left and right, since the relative positions of the driving gears 43 in the kidney-shaped through holes 32 of the first moving member 7 and the second moving member 8 are different, for example, as shown in fig. 9, the synchronizing driving gear 43 meshes with the left end of the kidney-shaped through hole 42 of the first moving member 7, and the synchronizing driving gear 43 meshes with the right end of the kidney-shaped through hole 42 of the second moving member 8, the moving directions of the two sliders 41 are opposite when the two synchronizing driving gears 43 mesh with the kidney-shaped through holes 42 of the first moving member 7 and the second moving member 8 at the same time.

In this embodiment, the left and right edges of the slider 41 are provided with guide grooves, the inner side walls of the corresponding first moving member 7 and the second moving member 8 are provided with protruding guide bars 25 embedded in the guide grooves, and similarly, guide structures matching the guide grooves and the protruding guide bars 25 are also provided between the front and rear side walls of the first moving member 7 and the second moving member 8 and the host 1, so that the slider 41, the first moving member 7, and the second moving member 8 can slide smoothly.

In this embodiment, the output end of the rotation driving component 4 is provided with a driving gear 44, two sides of the driving gear 44 are synchronously engaged with a synchronous driving gear 43, and two sliders 41 are provided with a kidney-shaped through hole 42 corresponding to the synchronous driving gear 43 side by side, so that the synchronous rotation of the two synchronous driving gears 43 can be ensured, and the situation of blocking is not easy to occur.

In this embodiment, the first moving member 7 and the second moving member 8 are both provided with an annular guide groove 46, the housing is provided with a guide post 45 embedded into the corresponding annular guide groove 46, when the first moving member 7 and the second moving member 8 move, the guide post 45 guides and moves along the annular guide groove 46, and the guide post 45 and the annular guide groove 46 are matched to fix the moving track of the slider 41, so that a good guiding effect can be achieved.

As a fourth embodiment of the rotary driving member 4 for driving the first moving member 7 and the second moving member 8 to move relatively, as shown in fig. 12-13, an incomplete gear 51 is provided at an output end of the rotary driving member 4, racks are provided on both the first moving member 7 and the second moving member 8 along the moving direction thereof, the incomplete gear 51 is engaged with the racks on the first moving member 7 or the second moving member 8, wherein the racks on the first moving member 7 or the second moving member 8 engaged with the incomplete gear 51 are a pair of racks oppositely provided side by side, the incomplete gear 51 is alternately engaged with the two opposite racks to reciprocate the first moving member 7 or the second moving member 8, the first moving member 7 or the second moving member 8 is connected by a reverse linkage mechanism to synchronously and relatively move reversely, in the present embodiment, the continuous synchronous reverse movement of the first moving member 7 and the second moving member 8 can be realized by the unidirectional rotation of the incomplete gear 51, and the control requirement for the rotation driving member 4 is reduced.

In the present embodiment, as a preferable scheme of the reverse linkage mechanism, the reverse linkage mechanism includes a first gear 52, a second gear 54 and a transition gear 53 disposed between the first gear 52 and the second gear 54, the first gear 52 and the second gear 54 are respectively in transmission connection with one of the first moving member 7 and the second moving member 8, the first gear 52, the second gear 54 and the transition gear 53 are disposed side by side and can be disposed on one side of the incomplete gear 51, so that the position of the whole transmission mechanism is more concentrated.

As another embodiment, as shown in fig. 3-4, in order to increase the torque of the through motor, the rotor of the through motor is connected to the driving gear 14 through the reducer 6, so that the high rotation speed can be converted into high torque, and the driving gear 14 can drive the binding belt 2 to tighten more smoothly. Preferably, the speed reducer 6 is a planetary speed reducer, which is a commonly used speed reducer and generally includes a planetary gear, a planetary carrier and a sun gear, the sun gear is connected with a rotor of the through-type motor, the sun gear drives the planetary gear to rotate, so that the planetary carrier rotates, and the planetary carrier is connected with the driving gear 14 to realize speed reduction.

As shown in fig. 5, as an example of a connection mode between the first moving member 7 and the second moving member 8 and the strap, at least one strap hook 10 is disposed at an end of the first moving member 7 and the second moving member 8, a connecting shaft is disposed at an end of the first moving member 7 and the second moving member 8, an opening of the strap hook 10 faces upward and is disposed at both ends of the connecting shaft, the strap hook 10 may also be directly mounted at an end of the first moving member 7 and the second moving member 8, an end of the strap 2 is also provided with the connecting shaft and may be directly hung on the strap hook 10, which is beneficial for quick connection and use and quick detachment of the pressing device, of course, the end of the strap 2 may also be a snap-fit member, such as a snap ring or a snap groove, and may be hooked with the strap hook 10, and the structure setting mode is relatively flexible.

As shown in fig. 3 and 5-6, as a preferred embodiment of the main unit 1, the main unit 1 is formed by mutually covering a base 12 and a cover 11, in order to enable the rotation driving component 4 to be more stably and firmly fixed in the main unit 1, the middle part of the base 12 defines a placing inner cavity 13 for limiting and placing the rotation driving component 4, and the cover 11 is provided with a pressing plate 15 for pressing the rotation driving component 4, so that the rotation driving component 4 can reduce vibration when in use, the transmission is more stable, and the noise can be reduced.

As shown in fig. 6, as a supplement to this embodiment, a rib 16 is provided at the top of the inner side of the cover 11, the rib 16 is disposed around the driving gear 14, and the lower end surface of the rib 16 contacts with the stacked first moving member 7 and the stacked second moving member 8 to limit the first moving member 7 and the second moving member 8, so that the first moving member 7 and the second moving member 8 move more smoothly.

In addition, as shown in fig. 5, the base 12 is provided with control element placing cavities 9 at two sides of the placing cavity 13, the control element placing cavity 9 is provided with a battery and/or a control unit, the cardiopulmonary resuscitation pressing device is preferably powered by the battery, the battery can be placed in the control element placing cavity 9, the continuous power supply time is longer than 30 minutes, the self-power consumption of the battery is extremely low, the cardiopulmonary resuscitation pressing device can be free of maintenance for 5 years when not used, and can be used for 30 minutes. It is also acceptable that batteries or charges need to be replaced every 2 years when not in use to meet the requirement that they can be used for at least 30 minutes once in use.

The control element is placed and has also placed the controller in the chamber 9, has data acquisition and information-based management chip in the controller, can grasp information in real time and include: fault, geographical information, enabled.

The cardiopulmonary resuscitation pressing device can be operated by a single person, has obvious 1-2-3 instructions and voice prompt in operation, and refers to AED. The deployment of the entire device should be completed in 1 to 2 10 seconds.

It should be noted that all directional indicators (such as up, down, left, right, front, and back) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, and the like in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of the technical solutions by those skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Claims (10)

1. The utility model provides a cardiopulmonary resuscitation press device, includes host computer (1) and bandage (2), its characterized in that:

the main machine (1) comprises a rotary driving part (4), two moving parts which move relatively and a shell for supporting the parts;

the rotary driving part (4) drives the two moving parts, namely the first moving part (7) and the second moving part (8) to move synchronously, the moving directions of the first moving part (7) and the second moving part (8) are opposite, and the two moving parts are respectively connected with the binding bands (2) on two sides of the main machine (1) so as to drive the binding bands (2) to move relative to the main machine (1);

and the lower pressing piece (3) is arranged on one side of the main machine (1), and the rotary driving part (4) drives the two moving parts and simultaneously drives the lower pressing piece (3) to perform synchronous axial reciprocating motion.

2. Cardiopulmonary resuscitation depressor of claim 1, wherein: the rotary driving part (4) is a through type motor, the lower pressing part (3) comprises a pressing head (32) and a transmission rod (31) inserted into the middle of the through type motor and connected with the rotor in a rotation prevention mode, and the transmission rod (31) is driven to axially move through the rotation of the rotor of the through type motor.

3. The cardiopulmonary resuscitation depressor of claim 2, wherein: the transmission rod (31) is a screw rod, and a screw rod nut meshed with the screw rod is installed inside a rotor of the rotary driving part (4).

4. Cardiopulmonary resuscitation depressor of claim 1, wherein: the rotor of the rotary driving component (4) is connected with a driving gear (14), the first moving component (7) and the second moving component (8) are respectively provided with a rack, and the driving gear (14) is meshed with the racks on the first moving component (7) and the second moving component (8) at the same time.

5. Cardiopulmonary resuscitation depressor of claim 4, wherein: the first moving component (7) and the second moving component (8) are of strip-shaped structures, strip-shaped hollow grooves are formed in the strip-shaped structures, and racks are arranged on the side walls, meshed with the driving gear (14), of the strip-shaped hollow grooves of the first moving component (7) and the second moving component (8).

6. Cardiopulmonary resuscitation depressor of claim 4, wherein: the rotor of the rotary driving component (4) is connected with the driving gear (14) through a speed reducer (6).

7. Cardiopulmonary resuscitation depressor of claim 1, wherein: the end parts of the first moving part (7) and the second moving part (8) are provided with at least one bandage hook (10), and the end part of the bandage (2) is hung on the bandage hook (10).

8. Cardiopulmonary resuscitation depressor of claim 1, wherein: host computer (1) close by frame (12) and cover (11) each other and constitute, the middle part of frame (12) inject and supply the spacing inner chamber (13) of placing of rotation driving part (4), cover (11) on be provided with clamp plate (15) of pushing down rotation driving part (4).

9. The cardiopulmonary resuscitation depressor of claim 8, wherein: the top of the inner side of the cover (11) is provided with a convex rib part (16), and the convex rib part (16) is arranged around the driving gear (14).

10. The cardiopulmonary resuscitation depressor of claim 8, wherein: the inner part of the machine base (12) is provided with control element placing cavities (9) at two sides of the placing inner cavity (13), and a power supply and/or a control unit are arranged in the control element placing cavities (9).

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