CN117017747A - Chest compression device - Google Patents

Abstract

The present application relates to a chest compression device comprising: a main machine for pressing the chest; the two ends of the fixing belt are respectively connected with the host machine and used for circumferentially wrapping the chest of the human body; the bracket assembly comprises a mounting piece, and the mounting piece is detachably connected with the host. According to the chest cavity pressing device, the mounting piece is arranged to enable the host machine and the bracket assembly to be detachably mounted, the host machine can be used after being assembled with the bracket assembly, at the moment, the host machine is fixed, and the pressing head of the host machine can realize pressing when the pressing head of the host machine moves up and down, so that the chest cavity pressing device is applicable to fixed occasions. The host computer can be used by being matched with the fixing belt after being separated from the bracket component, is convenient to carry, can be suitable for emergency occasions, and has wider application scenes.

Description

Chest compression device

Technical Field

The application relates to the technical field of medical equipment, in particular to a chest compression device.

Background

The heart beats and stops in the sudden cardiac arrest stage, and the pumping function is lost. Cardiopulmonary resuscitation is an effective rescue measure for patients with cardiac arrest, and cardiopulmonary resuscitation is a key factor for successful defibrillation and recovery of spontaneous circulation, and is an oxygen supply nutrition substrate for heart, brain and other important organs.

Because manual compression is not standard and is easy to cause secondary wounds of patients, the chest compression device is widely applied. The existing chest pressing device has the disadvantages that the pressing host is fixed with the frame, the whole device is large and heavy, the chest pressing device is not easy to move, and the application scene is limited.

Disclosure of Invention

Based on the above-mentioned drawbacks in the prior art, the present application aims to provide a chest compression device, in which a main machine and a fixing belt are matched to compress chest, the main machine and a bracket assembly are detachably installed, the main machine can be assembled with the bracket assembly for use, and can be detached from the bracket assembly for use, so that the application scope is wider.

Therefore, the application provides the following technical scheme.

The present application provides a chest compression device comprising:

a main machine for pressing the chest;

the two ends of the fixing belt are respectively connected with the host machine and used for circumferentially wrapping the chest of the human body;

the bracket assembly comprises a mounting piece, and the mounting piece is detachably connected with the host.

Preferably, the device further comprises a bolt; the mounting piece comprises a first mounting hole and a second mounting hole which are communicated, and the host machine is provided with a column part; the column body is inserted into the first mounting hole, and the bolt is in threaded connection with the second mounting hole and abuts against the column body.

Preferably, a groove is formed in the periphery of the column portion, and the bolt is clamped in the groove and abuts against the column portion.

Preferably, the bracket assembly comprises a support frame, and the mounting piece is detachably connected with the support frame.

Preferably, the bracket assembly comprises a base, and the support frame is connected with the base; the base comprises a bottom plate for supporting a human body.

Preferably, the mounting member includes a first connecting arm and a second connecting arm rotatably connected, the second connecting arm being detachably connected to the host computer.

Preferably, the first connecting arm is provided with a plurality of first limiting protrusions, and the second connecting arm is provided with a plurality of second limiting protrusions; the first limiting protrusions are matched with the second limiting protrusions in a one-to-one correspondence mode, so that single rotation angles of the second connecting arms relative to the first connecting arms are limited.

Preferably, the bracket assembly includes a connection shaft; one end of the first connecting arm is provided with a first shaft hole, the second connecting arm is provided with a second shaft hole and a connecting cavity which are communicated, and one side of the connecting cavity is opened;

one end of the first connecting arm penetrates through the opening and then is inserted into the connecting cavity, the first shaft hole and the second shaft hole are coaxially opposite, and the connecting shaft is inserted into the first shaft hole and the second shaft hole to realize rotary connection.

Preferably, the bracket assembly comprises a top spring sleeved on the periphery of the connecting shaft; one end of the top spring is propped against the connecting shaft, and the other end of the top spring is propped against the second connecting arm.

Preferably, the method further comprises:

the connecting rod mechanism comprises a connecting rod bracket and two connecting rod assemblies which are symmetrically arranged left and right; the connecting rod frame is fixed on the host machine, the two connecting rod assemblies are respectively in movable fit with the connecting rod frame, and the first end of each connecting rod assembly is hinged to the pressing head of the host machine;

the two ends of the fixing belt are respectively connected with the second ends of the two connecting rod assemblies;

when the pressing head moves downwards, the two first ends are driven to synchronously move downwards, so that the two connecting rod assemblies move relative to the connecting rod frame to lift the two second ends so as to tighten the fixing belt.

The application has the following technical effects:

the application provides a chest pressing device, which is characterized in that a mounting piece is arranged to enable a host machine and a bracket component to be detachably mounted, the host machine can be used after being assembled with the bracket component, at the moment, the host machine is fixed, and a pressing head of the host machine performs lifting movement to realize pressing, so that the chest pressing device can be suitable for fixed occasions. The host computer can break away from behind the support subassembly and cooperate the fixed band to use, portable host computer and fixed band alone, applicable first aid occasion, application scene is wider.

Drawings

FIG. 1 is an exploded view of a part of a chest compression device according to a first embodiment of the present application;

fig. 2 is a schematic perspective view of a chest compression device according to a first embodiment of the present application;

FIG. 3 is a schematic view of a partial exploded view of the bracket assembly of the present application;

FIG. 4 is a schematic view of a partial exploded view of a bracket assembly of the present application;

FIG. 5 is a schematic perspective view of a bracket assembly according to the present application;

FIG. 6 is a schematic view showing the assembly of the chest compression device and the chest contour during rebound in a second embodiment of the present application;

FIG. 7 is a top view of the assembled structure of the main frame and the linkage in a second embodiment of the present application;

fig. 8 is a schematic diagram showing an assembly structure of the chest compression device and the chest contour in the compression stage according to the second embodiment of the present application.

Description of the reference numerals

100. A chest compression device;

1. a host; 11. a column portion; 111. a groove; 12. pressing head; 13. a suction cup;

2. a bracket assembly; 21. a mounting member; 211. a first connecting arm; 2111. the first limiting protrusion; 2112. a first shaft hole; 212. a second connecting arm; 2121. a first mounting hole; 2122. a second mounting hole; 2123. the second limiting bulge; 2124. a second shaft hole; 21241. a boss; 2125. a connecting cavity; 2126. a third mounting hole; 2127. a second grip portion; 22. a support frame; 23. a base; 231. a bottom plate; 232. a support base; 24. a connecting shaft; 241. an end cap; 242. a fourth mounting hole; 25. a top spring; 26. a screw;

3. a bolt; 31. a first grip portion;

4. a link mechanism; 41. a connecting rod bracket; 411. an insertion portion; 42. a connecting rod assembly; 421. a first link; 4211. a first through hole; 422. a second link; 4221. a second through hole;

5. a fixing belt;

200. chest contours.

Detailed Description

In order to make the technical scheme and the beneficial effects of the application more obvious and understandable, the following detailed description is given by way of example. Unless defined otherwise, technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

In the description of the present application, unless explicitly defined otherwise, terms such as "center", "longitudinal", "lateral", "length", "width", "thickness", "height", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., refer to an orientation or positional relationship based on that shown in the drawings, and are merely for convenience of simplifying the description of the present application, and do not indicate that the apparatus or element referred to must have a specific orientation, be constructed and operated in a specific orientation, i.e., are not to be construed as limiting the present application.

In the present application, the terms "first", "second" are used for descriptive purposes only and are not to be construed as relative importance of the features indicated or the number of technical features indicated. Thus, a feature defining "first", "second" may explicitly include at least one such feature. In the description of the present application, "plurality" means at least two; "plurality" means at least one; unless otherwise specifically defined.

In the present application, the terms "mounted," "connected," "secured," "disposed," and the like are to be construed broadly, unless otherwise specifically limited. For example, "connected" may be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, or can be communicated between two elements or the interaction relationship between the two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present application, unless explicitly defined otherwise, a first feature "on", "above", "over" and "above", "below" or "under" a second feature may be that the first feature and the second feature are in direct contact, or that the first feature and the second feature are in indirect contact via an intermediary. Moreover, a first feature "above," "over" and "on" a second feature may be that the first feature is directly above or obliquely above the second feature, or simply indicates that the level of the first feature is higher than the level of the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the level of the first feature is less than the level of the second feature.

References to "front", "back", "left", "right", "upper" and "lower" in this disclosure are all made to the designation in fig. 6.

The chest compression device of the present application will be described in detail with reference to fig. 1 to 8.

In this embodiment, as shown in fig. 1 and 2, the chest compression device 100 includes a main body 1, a fixing strap 5, and a bracket assembly 2, wherein two ends of the fixing strap 5 are respectively connected with the main body 1 for circumferential wrapping at the chest of a human body. The main machine 1 is used for pressing the chest to perform cardiopulmonary resuscitation, and the bracket assembly 2 comprises a mounting piece 21, wherein the mounting piece 21 is detachably connected with the main machine 1.

In this embodiment, the installation piece 21 is provided to enable the host 1 and the bracket assembly 2 to be detachably installed, the host 1 can be assembled with the bracket assembly 2 and then matched with the fixing belt 5 for use, at this time, the host 1 is fixed, and the pressing head 12 of the host 1 performs lifting movement to realize pressing, so that the device is applicable to fixed occasions. The host computer 1 can be used by being matched with the fixing belt 5 after being separated from the bracket component 2, so that the host computer 1 can be carried independently, the emergency treatment device is applicable to emergency occasions, and the application scene is wider. In the process of pressing the chest of the host 1, the host 1 is fixed on the chest of a human body through the fixing belt 5, in addition, the fixing belt 5 can also tighten the two sides of the chest outline 200 of the human body to a certain extent, the outward expansion amplitude of the two sides of the chest outline 200 when the chest is pressed can be reduced, and further the kinetic energy leakage caused by the outward expansion of the two sides of the chest outline 200 is reduced, so that better forward blood flow can be generated in the human body.

In one embodiment, as shown in fig. 1 and 3, the chest compression device 100 further comprises a bolt 3; the mounting piece 21 comprises a first mounting hole 2121 and a second mounting hole 2122 which are communicated, and the host 1 is provided with a column part 11; the column portion 11 is inserted into the first mounting hole 2121, and the bolt 3 is screwed into the second mounting hole 2122 and abuts against the column portion 11. Through the cooperation of cylinder portion 11 and first mounting hole 2121, realize the location pre-installation, then through bolt 3 spiro union in second mounting hole 2122 in order to realize stable fixed, in addition, unscrew bolt 3 can be with host computer 1 from support subassembly 2 pull down, host computer 1 loading and unloading is simple swift.

It should be understood that the detachable assembly structure of the mounting member 21 and the host 1 is not limited thereto, and may be realized by a snap structure, a magnetic attraction structure, or other detachable structures.

Further, as shown in fig. 1, a groove 111 is provided on the outer periphery of the column portion 11, and the bolt 3 is engaged with the groove 111 to fix the column portion 11. The end of the bolt 3 is snapped by the groove 111 to further strengthen the mounting of the mount 21 to the host 1.

Further, the groove 111 has a ring-shaped structure, so that when the cylinder portion 11 is inserted into the first mounting hole 2121, it is ensured that the groove 111 can be aligned with the second mounting hole 2122, facilitating the mounting of the bolt 3, and in addition, the groove 111 is provided in a ring-shaped structure, and when the host 1 is assembled, the assembly angle of the host 1 relative to the bracket assembly 2 can be adjusted by rotating the host 1.

Further, as shown in fig. 1, the bolt 3 is provided with a first grip 31 to facilitate manual gripping for installation.

In one embodiment, as shown in fig. 1, the bracket assembly 2 includes a support bracket 22, and the mounting member 21 is detachably connected to the support bracket 22 to simplify assembly.

Further, as shown in fig. 1, the bracket assembly 2 includes a base 23, and the support 22 is connected to the base 23; the base 23 includes a bottom plate 231 for supporting a human body. The base 23 is used for a user to lie down, so that the influence on the pressing effect caused by unsuitable lying posture of the user is avoided.

Further, as shown in fig. 1, the base 23 further includes a supporting seat 232, the supporting seat 232 is connected to one side of the bottom plate 231, the bottom plate 231 is thinner to reduce the dead weight of the chest compression device 100, and the supporting seat 232 is thicker to have a certain structural strength, so as to stably support the supporting frame 22 fixed with the host 1.

In one embodiment, as shown in fig. 1, the mounting member 21 includes a first connecting arm 211 and a second connecting arm 212 rotatably connected, and the second connecting arm 212 is detachably connected to the host 1. During cardiopulmonary resuscitation, the main unit 1 is suspended at a position directly above the chest of a human body by rotating the second connecting arm 212 so as to be effectively pressed. It should be appreciated that the second connecting arm 212 may be driven to rotate relative to the first connecting arm 211 by an automatic drive or an external force drive.

Further, as shown in fig. 3 and 4, the first connecting arm 211 is provided with a plurality of first limiting protrusions 2111, and the second connecting arm 212 is provided with a plurality of second limiting protrusions 2123; the first spacing protruding 2111 and the spacing protruding 2123 of second are corresponding cooperation one by one to the single rotation angle of restriction second linking arm 212 relative first linking arm 211, through the size of control single rotation angle, be convenient for finely tune host computer 1's position, be favorable to quick alignment host computer 1's position, save time, avoid delaying user's rescue opportunity. Of course, the limiting structure of the rotation angle of the second connecting arm 212 is not limited thereto, and may be implemented by a magnet attraction positioning structure or other structures.

Further, as shown in fig. 3 and 4, the bracket assembly 2 includes a connecting shaft 24; one end of the first connecting arm 211 is provided with a first shaft hole 2112, the second connecting arm 212 is provided with a second shaft hole 2124 and a connecting cavity 2125 which are communicated, and one side of the connecting cavity 2125 is opened; wherein, one end of the first connection arm 211 is inserted into the connection cavity 2125 through the opening such that the first shaft hole 2112 and the second shaft hole 2124 are coaxially opposite, the connection shaft 24 is inserted into the first shaft hole 2112 and the second shaft hole 2124 to achieve rotational connection, and the rotational connection structure of the first connection arm 211 and the second connection arm 212 is simplified by the connection shaft 24.

Further, as shown in fig. 3 and 4, the bracket assembly 2 includes a top spring 25, and the top spring 25 is sleeved on the outer periphery of the connecting shaft 24; one end of the top spring 25 abuts against the connecting shaft 24, and the other end abuts against the second connecting arm 212, so that the first connecting arm 211 and the second connecting arm 212 can stably abut against each other, and rotation of the second connecting arm 212 relative to the first connecting arm 211 due to carrying or shaking of the host 1 is avoided.

Further, as shown in fig. 3, the connecting shaft 24 is provided with an end cap 241, and one end of the top spring 25 abuts against one surface of the end cap 241.

Further, as shown in fig. 3, the hole wall of the second shaft hole 2124 is provided with a protruding portion 21241, the other end of the top spring 25 abuts against the protruding portion 21241, and the top spring 25 is easy to assemble.

Further, as shown in fig. 3 to 5, the bracket assembly 2 further includes a screw 26, the second connecting arm 212 is further provided with a third mounting hole 2126 communicating with the connecting cavity 2125, and the end of the connecting shaft 24 facing away from the end cap 241 is provided with a fourth mounting hole 242. The screw 26 is screwed into the fourth mounting hole 242 after passing through the third mounting hole 2126 to complete the fixation of the connection shaft 24.

Further, as shown in fig. 3, both side walls of the second connection arm 212 are inwardly concave to form a second grip 2127 so that a user can grasp and rotate the second connection arm 212.

In one embodiment, as shown in fig. 6 to 8, the chest compression device 100 further includes a link mechanism 4, the link mechanism 4 including a link frame 41 and two link assemblies 42 symmetrically disposed left and right, the two link assemblies 42 being symmetrical about the left and right center planes of the compression head 12; the connecting rod frame 41 is fixed on the main machine 1, two connecting rod assemblies 42 are respectively movably matched with the connecting rod frame 41, and the first ends of the connecting rod assemblies 42 are hinged to the pressing head 12 of the main machine 1. The two ends of the fixing strap 5 are respectively connected with the second ends of the two connecting rod assemblies 42, and the fixing strap 5 is used for circumferentially wrapping the chest of the human body. The two ends of the fixing belt 5 are fixed by arranging the connecting rod mechanism 4, so that the fixing belt 5 can be assembled conveniently.

As shown in fig. 6, when the pressing head 12 moves downward (pressing period), the pressing head 12 drives the first ends of the two link mechanisms 4 to move downward synchronously, but the link frame 41 does not move under the fixation of the host 1, and due to the limitation of the spatial positions of the two link assemblies 42 by the link frame 41, the two link assemblies 42 move relative to the link frame 41 to raise the second ends of the two link assemblies 42, and the two second ends tighten the fixing strap 5 upward, so that the two sides of the chest outline 200 of the human body are tightened by the fixing strap 5, the outward expansion amplitude of the two sides of the chest outline 200 when the chest is pressed can be reduced, and the kinetic energy leakage caused by the outward expansion of the two sides of the chest outline 200 can be reduced, so that better forward blood flow can be generated in the human body. The tensioned fixing belt 5 has a certain extrusion to the chest, and has a multidirectional chest compression effect on the chest together with the host 1, so that the compression effect is improved.

As shown in fig. 8, when the main body 1 withdraws the downward pressing force (rebound period), the pressing head 12 moves upward, and the two link assemblies 42 move with respect to the link frame 41 to be restored, so that the second ends of the two link assemblies 42 descend and the horizontal distance between the two second ends increases, and the fixing band 5 is loosened to some extent, facilitating the rebound of the thoracic cavity contour 200, so that the thoracic cavity generates negative pressure to improve venous reflux and myocardial perfusion.

Further, as shown in fig. 6, the link assembly 42 includes a first link 421 and a second link 422, and the first link 421 and the second link 422 are symmetrical with respect to the front-rear center plane of the pressing head 12 in the front-rear direction of the host computer 1 to increase the structural stability.

Further, the first link 421 is provided with a first through hole 4211, the second link 422 is provided with a second through hole 4221, and the link frame 41 is provided with an insertion portion 411; the two insertion portions 411 at the same end are inserted into the first through hole 4211 and the second through hole 4221 of the same link assembly 42, respectively. The sliding fit of the penetrating portion 411 with the first through hole 4211 and the second through hole 4221 defines a movement track of the second end of the connecting rod assembly 42, so that the second end moves upward during the pressing period and the horizontal distance between the two second ends is reduced, the second end moves downward during the rebound period and the horizontal distance between the two second ends is increased, and the tightening or loosening effect on the fixing strap 5 is improved.

In one embodiment, as shown in fig. 1 and 6, the host 1 further includes a suction cup 13, which is sleeved on the outer periphery of the bottom end of the pressing head 12. When the pressing head 12 presses on the chest cavity outline 200, the sucker 13 is adsorbed on the chest cavity outline 200, and when the pressing head 12 is retracted, the sucker 13 can pull the chest cavity outline 200 upwards to actively decompress the chest cavity, so that blood reflux is facilitated.

In one embodiment, the host 1 includes a driving assembly for driving the lifting motion of the pressing head 12. Further, the driving assembly is an air cylinder assembly or an assembly of a motor matched with the linear driving mechanism, and the structure is simple and small. Preferably, for portability, the drive assembly is an assembly of a motor coupled with a linear drive mechanism, such as a drive assembly formed by a motor and a screw-nut mechanism.

It should be understood that the above examples are illustrative and are not intended to encompass all possible implementations encompassed by the claims. Various modifications and changes may be made in the above embodiments without departing from the scope of the disclosure. Likewise, the individual features of the above embodiments can also be combined arbitrarily to form further embodiments of the application which may not be explicitly described. Therefore, the above examples merely represent several embodiments of the present application and do not limit the scope of protection of the patent of the present application.

Claims (10)

1. A chest compression device, comprising:

a main machine (1) for pressing the chest;

the two ends of the fixing belt (5) are respectively connected with the main machine (1) and are used for circumferentially wrapping the chest of a human body;

a bracket assembly (2) comprising a mounting (21), the mounting (21) being detachably connected to the host (1).

2. Chest compression arrangement according to claim 1, further comprising a bolt (3); the mounting piece (21) comprises a first mounting hole (2121) and a second mounting hole (2122) which are communicated, and the host machine (1) is provided with a column part (11); the column part (11) is inserted into the first mounting hole (2121), and the bolt (3) is screwed into the second mounting hole (2122) and abuts against the column part (11).

3. Chest compression device according to claim 2, characterized in that the periphery of the cylinder (11) is provided with a groove (111), and the bolt (3) is clamped in the groove (111) and abuts against the cylinder (11).

4. A chest compression device according to any of claims 1-3, wherein the bracket assembly (2) comprises a support frame (22), the mounting member (21) being detachably connected to the support frame (22).

5. Chest compression arrangement according to claim 4, wherein the bracket assembly (2) comprises a base (23), the support frame (22) being connected to the base (23); the base (23) includes a floor (231) for supporting a human body.

6. A chest compression device according to any of claims 1-3, wherein the mounting member (21) comprises a first connecting arm (211) and a second connecting arm (212) which are rotatably connected, the second connecting arm (212) being detachably connected to the main unit (1).

7. The chest compression device of claim 6 wherein the first connecting arm (211) is provided with a plurality of first limit protrusions (2111) and the second connecting arm (212) is provided with a plurality of second limit protrusions (2123); the first limiting protrusions (2111) and the second limiting protrusions (2123) are in one-to-one correspondence to limit a single rotation angle of the second connecting arm (212) relative to the first connecting arm (211).

8. Chest compression arrangement according to claim 7, characterized in that the bracket assembly (2) comprises a connecting shaft (24); one end of the first connecting arm (211) is provided with a first shaft hole (2112), the second connecting arm (212) is provided with a second shaft hole (2124) and a connecting cavity (2125) which are communicated, and one side of the connecting cavity (2125) is opened;

wherein, one end of the first connecting arm (211) is inserted into the connecting cavity (2125) after passing through the opening, so that the first shaft hole (2112) and the second shaft hole (2124) are coaxially opposite, and the connecting shaft (24) is inserted into the first shaft hole (2112) and the second shaft hole (2124) to realize rotational connection.

9. Chest compression arrangement according to claim 8, characterized in that the bracket assembly (2) comprises a top spring (25) which is fitted around the outer periphery of the connecting shaft (24); one end of the top spring (25) is propped against the connecting shaft (24), and the other end is propped against the second connecting arm (212).

10. A chest compression device according to any of claims 1-3, further comprising:

a link mechanism (4) comprising a link frame (41) and two link assemblies (42) symmetrically arranged left and right; the connecting rod rest (41) is fixed on the host machine (1), two connecting rod assemblies (42) are respectively in movable fit with the connecting rod rest (41), and a first end of each connecting rod assembly (42) is hinged to a pressing head (12) of the host machine (1);

the two ends of the fixing belt (5) are respectively connected with the second ends of the two connecting rod assemblies (42);

when the pressing head (12) moves downwards, the two first ends are driven to synchronously move downwards, so that the two connecting rod assemblies (42) move relative to the connecting rod rest (41) to lift the two second ends so as to tighten the fixing belt (5).