CN209808984U

CN209808984U - Extracardiac pressing device

Info

Publication number: CN209808984U
Application number: CN201821905718.5U
Authority: CN
Inventors: 胡荣; 谭成维; 周美吾
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-11-19
Filing date: 2018-11-19
Publication date: 2019-12-20
Anticipated expiration: 2028-11-19

Abstract

The utility model relates to an extracardiac pressing device, include: a back plate capable of being placed under the back of a patient; an upper plate mountable on the back plate; a first pressing plate which is mountable to the upper plate and is movable toward the back plate to press the chest of the patient when being subjected to a downward external force; a return spring compressed when the first pressing plate moves toward the back plate to provide an elastic force for the first pressing plate to move away from the back plate when the first pressing plate returns; the second pressing plate is connected with the first pressing plate, can be pressed by a user to apply downward external force and transmits the downward external force to the first pressing plate; when the first pressing plate moves to a certain distance towards the back plate, at least one part of the second pressing plate can directly or indirectly abut against at least one part of the upper plate so as to limit the displacement of the first pressing plate towards the back plate. The utility model discloses can restrict the degree of depth of pressing, avoid pressing the range too big and cause the injury to the patient.

Description

Extracardiac pressing device

Technical Field

The utility model relates to the field of medical equipment, especially, relate to an extracardiac pressing device.

Background

Extracardiac compression is an operation which needs to be mastered and is most commonly applied in emergency medicine. The treatment significance to the emergency caused by the sudden cardiac arrest is immeasurable; early extracardiac compression can turn the body to lack oxygen as early as possible; to win valuable time for rescuing lives. Extracardiac compression can be divided into manual compression and mechanical automated compression. The strength and the pressing depth of manual pressing are not easy to grasp, so that the rib of a patient is pressed to be broken sometimes, and doctors and patients are in disputes. Therefore, more and more hospitals now employ mechanical automated pressing to avoid unnecessary trouble. For example, chinese patent document with the publication number CN204181867U discloses a cardiac external compression device for severe patients, which comprises a base and is characterized in that universal wheels are arranged at the lower end of the base, an electric telescopic arm is fixedly arranged on the base, a support rod is fixedly arranged on the electric telescopic arm, a housing is arranged on the ventral side of the support rod, a motor is arranged in the housing, the motor is provided with the telescopic arm, the front end of the telescopic arm is provided with a rotation hole a, the front end of the support rod is fixedly provided with a longitudinal connecting rod, a sleeve is fixedly arranged on the longitudinal connecting rod, a rotating shaft is arranged in the sleeve, and a driving rotating wheel and a. The utility model discloses a multiple functional, convenient to use, easy operation, waste time and energy when carrying out the chest for severe patient and pressing, alleviateed medical staff's the work degree of difficulty. However, such devices are directly unusable in emergency situations if there is a power shortage or electrical failure. And the purchase cost and maintenance cost of the equipment are high. Therefore, there is a need for an improvement in the prior art that provides a limitation of compression depth for manual extracardiac compression by a simple purely mechanical structure.

SUMMERY OF THE UTILITY MODEL

To the deficiency of the prior art, the utility model provides an extracardiac pressing device, include: a back plate capable of being placed under the back of a patient; an upper plate mountable on the back plate; a first pressing plate which is mountable to the upper plate and is movable toward the back plate to press the chest of the patient when being subjected to a downward external force; a return spring compressed when the first pressing plate moves toward the back plate to provide an elastic force for the first pressing plate to move away from the back plate when the first pressing plate returns; the second pressing plate is connected with the first pressing plate, can be pressed by a user to apply downward external force and transmits the downward external force to the first pressing plate; when the first pressing plate moves to a certain distance towards the back plate, at least one part of the second pressing plate can directly or indirectly abut against at least one part of the upper plate so as to limit the displacement of the first pressing plate towards the back plate.

According to a preferred embodiment, the middle portion of the upper plate is provided with a vertical mounting groove, one end of the return spring abuts against at least a portion of the mounting groove, and the other end of the return spring can abut against the lower surface of the second pressing plate.

According to a preferred embodiment, the first pressing plate is provided with a connecting pipe, the second pressing plate is detachably connected to the connecting pipe through a thread, and the connecting pipe can sequentially penetrate through the upper plate and the return spring and then is connected to the second pressing plate through the thread.

According to a preferred embodiment, the extracardiac pressing device further comprises a plurality of adjusting shims, and at least one of the adjusting shims can be placed between the second pressing plate and the return spring to adjust the displacement of the first pressing plate towards the backboard.

According to a preferred embodiment, the middle part of the first pressing plate is communicated with the cavity of the connecting pipe, and the side wall of the connecting pipe is provided with a first through hole for communicating the cavity of the connecting pipe with the atmosphere.

According to a preferred embodiment, the first pressing plate is in a round cake shape, the middle part of the first pressing plate is provided with at least five finger holes at intervals, and the edge of the second pressing plate is provided with at least five semicircular notches along the circumferential direction.

According to a preferred embodiment, the diameter of the first pressing plate is 60 to 150mm, and the diameter of the second pressing plate is 100 to 200 mm.

According to a preferred embodiment, the back plate is provided with at least two sliding rods, the upper plate is slidably connected to the back plate through the at least two sliding rods so as to adjust the distance between the upper plate and the back plate, the upper plate is provided with a locking portion, and the locking portion clamps the sliding rods so as to lock the upper plate.

According to a preferred embodiment, the width of the back plate is greater than the width of the upper plate in the direction of the head-to-foot line of the patient being pressed.

According to a preferred embodiment, the back plate is provided with a plurality of second through holes for weight reduction and ventilation.

The utility model provides an extracardiac pressing device has following advantage at least:

firstly, the pressing depth can be limited, and the damage to a patient caused by overlarge pressing amplitude is avoided;

secondly, the device is pressed by hands, and has simple mechanical structure, strong reliability and low purchase and maintenance cost;

third, the compression depth can be adjusted by the pad to facilitate different compression depths for children and adults.

Drawings

FIG. 1 is a schematic structural view of a preferred embodiment of the present invention;

FIG. 2 is a schematic structural view of another preferred embodiment of the present invention; and

fig. 3 is an exploded view of part of another preferred embodiment of the present invention.

List of reference numerals

100: back plate 110: a slide bar 120: second through hole

200: the upper plate 210: mounting groove 220: locking part

310: first pressing plate 311: finger hole 320: second pressing plate

321: semicircular notch 330: connection pipe 331: hollow cavity

332: first through hole 400: the coil spring 500: adjusting shim

Detailed Description

This is described in detail below with reference to figures 1, 2 and 3.

In the description of the present invention, it should be understood that if the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. are used in the orientation or positional relationship indicated on the basis of the drawings, it is only for convenience of description and simplification of the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present invention.

In the description of the present invention, it is also to be understood that the terms "first", "second", and the like, if any, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, the terms "plurality" or "a plurality", if any, mean two or more unless specifically limited otherwise.

In the description of the present invention, it should be understood that the terms "mounting," "connecting," "fixing," and the like are used in a broad sense, and may be fixed, detachable, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. To one of ordinary skill in the art, the specific meaning of the above terms in the present invention can be understood as a matter of context, unless otherwise explicitly stated and/or defined.

In the description of the present invention, it should also be understood that unless otherwise explicitly specified or limited, "over" or "under" a first feature may include the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other through another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

According to a preferred embodiment, an extracardiac pressing device may include at least one of a back plate 100, an upper plate 200, a first pressing plate 310, and a return spring 400. The backboard 100 may be placed under the back of the patient. The upper plate 200 may be mounted on the rear plate 100. The first pressing plate 310 may be mounted to the upper plate 200. The first pressing plate 310 can move toward the back plate 100 to press the thoracic cavity of the patient when a downward external force is applied. The return spring 400 can be compressed when the first pressing plate 310 moves toward the back plate 100 to provide the first pressing plate 310 with an elastic force moving away from the back plate 100 when the first pressing plate 310 is returned. The second pressing plate 320 may be connected to the first pressing plate 310 and pressed by a user to apply a downward external force and be transferred to the first pressing plate 310. At least a portion of the second pressing plate 320 may directly or indirectly abut against at least a portion of the upper plate 200 when the first pressing plate 310 moves to a certain distance toward the rear plate 100 to limit the displacement of the first pressing plate 310 moving toward the rear plate 100. Preferably, the distance may be 20 to 60mm, particularly preferably 50 mm.

According to a preferred embodiment, the middle of the upper plate 200 may be provided with a vertical mounting groove 210. One end of the return spring 400 may abut against at least a portion of the mounting groove 210. The other end of the return spring 400 may abut on a lower surface of the second pressing plate 320.

According to a preferred embodiment, the first pressing plate 310 may be provided with a connection pipe 330. The second pressing plate 320 may be detachably coupled to the connection pipe 330 by a screw. The connection pipe 330 may be sequentially threaded to the second pressing plate 320 after passing through the upper plate 200 and the return spring 400.

According to a preferred embodiment, the extracardiac depressor may include a plurality of adjustment shims 500. At least one of a plurality of adjustment shims 500 can be placed between the second pressing plate 320 and the return spring 400 to adjust the amount of displacement of the first pressing plate 310 toward the back plate 100. Preferably, after the adjustment shim 500 is mounted, the other end of the return spring abuts against the lower surface of the adjustment shim 500. Alternatively, the other end of the return spring 400 may indirectly abut on the lower surface of the second pressing plate 320 through the adjustment shim 500.

According to a preferred embodiment, the middle portion of the first pressing plate 310 is communicated with the cavity 331 of the connection pipe 330, and the side wall of the connection pipe 330 is provided with a first through hole 332 for communicating the cavity 331 of the connection pipe 330 with the atmosphere. The utility model discloses a following beneficial technological effect can be realized at least to this mode: the possibility of negative pressure adsorption formed between the first pressing plate and the chest of the patient is reduced.

According to a preferred embodiment, the first pressing plate 310 may have a discoid shape and be spaced at least five finger holes 311 in the middle. The second pressing plate 320 may be shaped like a circular cake, and at least five semicircular notches 321 are formed at the edge along the circumferential direction. The utility model discloses a following beneficial technological effect can be realized at least to this mode: can convenient to detach, during the dismantlement, the fingertip of one hand inserts finger hole 311, and the finger card of the other hand is twisted in opposite direction in semicircle breach 321 with manual dismantlement, can increase and decrease gasket quantity after the dismantlement.

According to a preferred embodiment, the diameter of the first pressing plate 310 is 60 to 150mm, and the diameter of the second pressing plate 320 is 100 to 200 mm.

According to a preferred embodiment, at least two sliding rods 110 are arranged on the backboard 100, the upper board 200 is slidably connected to the backboard 100 through the at least two sliding rods 110 to adjust the distance between the upper board 200 and the backboard 100, and a locking portion 220 is arranged on the upper board 200, and the locking portion 220 realizes the locking of the upper board 200 by clamping the sliding rods 110.

According to a preferred embodiment, the backboard 100 has a width greater than the width of the upper board 200 in the head-to-foot connection direction of the patient to be pressed. The utility model discloses a following beneficial technological effect can be realized at least to this mode: can provide better stabilizing effect through the dead weight of the patient.

According to a preferred embodiment, the back plate 100 is provided with a plurality of second through holes 120 for weight reduction and ventilation.

It should be noted that the above-mentioned embodiments are exemplary, and those skilled in the art can devise various solutions in light of the present disclosure, which are also within the scope of the present disclosure and fall within the scope of the present disclosure. It should be understood by those skilled in the art that the present specification and drawings are illustrative only and are not limiting upon the claims. The scope of the invention is defined by the claims and their equivalents.

Claims

1. An extracardiac pressing device, comprising:

a back plate (100) capable of being placed under the back of a patient;

an upper plate (200) mountable on the backplate (100);

a first pressing plate (310) which is mountable to the upper plate (200) and is movable toward the back plate (100) to press the chest of the patient when being subjected to a downward external force;

a return spring (400) compressed when the first pressing plate (310) moves toward the back plate (100) to provide the first pressing plate (310) with an elastic force moving away from the back plate (100) when the first pressing plate (310) is returned; and

a second pressing plate (320) connected to the first pressing plate (310) and pressed by a user to apply a downward external force and transferred to the first pressing plate (310);

wherein at least a portion of the second pressing plate (320) is capable of directly or indirectly abutting against at least a portion of the upper plate (200) upon movement of the first pressing plate (310) to a distance toward the back plate (100) to limit displacement of the first pressing plate (310) toward the back plate (100).

2. The extracardiac pressing device as claimed in claim 1, wherein the upper plate (200) is provided at a middle portion thereof with a vertical installation groove (210), one end of the return spring (400) abuts against at least a portion of the installation groove (210), and the other end of the return spring (400) can abut against a lower surface of the second pressing plate (320).

3. The extracardiac pressing device as claimed in claim 1 or 2, wherein the first pressing plate (310) is provided with a connecting pipe (330), the second pressing plate (320) is detachably connected to the connecting pipe (330) by a screw thread, and the connecting pipe (330) can be sequentially threaded to the second pressing plate (320) after passing through the upper plate (200) and the return spring (400).

4. The extracardiac pressing device as claimed in claim 1 or 2, wherein the extracardiac pressing device further comprises a plurality of adjusting shims (500), at least one of the plurality of adjusting shims (500) can be placed between the second pressing plate (320) and the return spring (400) to adjust the displacement of the first pressing plate (310) toward the backboard (100).

5. The extracardiac pressing device as claimed in claim 1 or 2, wherein the first pressing plate (310) is connected to the cavity (331) of the connecting tube (330) at a central portion thereof, and the connecting tube (330) is provided at a side wall thereof with a first through hole (332) for connecting the cavity (331) of the connecting tube (330) to the atmosphere.

6. The extracardiac pressing device as claimed in claim 1 or 2, wherein the first pressing plate (310) is shaped like a circular cake with at least five finger holes (311) spaced apart in the middle, and the second pressing plate (320) is shaped like a circular cake with at least five semicircular notches (321) arranged at the edge along the circumferential direction.

7. The extracardiac pressing device as claimed in claim 1, wherein the first pressing plate (310) has a diameter of 60 to 150mm, and the second pressing plate (320) has a diameter of 100 to 200 mm.

8. The extracardiac pressing device as claimed in claim 1, wherein the back plate (100) is provided with at least two sliding rods (110), the upper plate (200) is slidably connected to the back plate (100) through the at least two sliding rods (110) to adjust the distance of the upper plate (200) relative to the back plate (100), the upper plate (200) is provided with a locking portion (220), and the locking portion (220) clamps the sliding rods (110) to lock the upper plate (200).

9. The extracardiac compression device as recited in claim 1, wherein the backboard (100) has a width greater than a width of the upper board (200) in a head-to-foot connection direction of a patient to be compressed.

10. The extracardiac pressing device as claimed in claim 1, wherein the back plate (100) is provided with a plurality of second through holes (120) for weight reduction and ventilation.