CN214343376U

CN214343376U - Cardio-pulmonary resuscitation device

Info

Publication number: CN214343376U
Application number: CN202022683921.6U
Authority: CN
Inventors: 杨成; 吴琼晟
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-10-08
Anticipated expiration: 2030-11-18

Abstract

A cardiopulmonary resuscitation device at least comprises a base and a supporting mechanism, wherein the supporting mechanism is detachably connected with the base, the supporting mechanism is detachably connected with a stroke conversion part, a first driving rod and a second driving rod are arranged in the stroke conversion part, tooth-shaped structures for transmission are arranged on the side surfaces of the first driving rod and the second driving rod, the first driving rod is connected with a first gear in a meshed mode, and the second driving rod is connected with a second gear in a meshed mode; under the condition that the first driving rod can perform reciprocating longitudinal movement, the first gear and the second gear are movably connected in the stroke conversion part through a rotating shaft in a mode that the longitudinal movement stroke of the second driving rod can be converted into an effective pressing stroke consistent with the cardio-pulmonary resuscitation requirement through the driving of the first driving rod and the transmission of the first gear and the second gear with different diameters so as to avoid the pressing plate from pressing the chest of the patient too deeply or too shallowly.

Description

Cardio-pulmonary resuscitation device

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a cardiopulmonary resuscitation device.

Background

Sudden cardiac arrest refers to sudden cardiac arrest caused by various reasons under unpredictable conditions and times, resulting in sudden cessation of effective cardiac pump function and effective circulation, resulting in severe ischemia, hypoxia and metabolic disorders of systemic tissue cells. Once sudden cardiac arrest occurs, if resuscitation cannot be rescued immediately and timely, irreversible damage to the brain and other important organs and tissues of a patient can be caused after 4-6 min, so that cardio-pulmonary resuscitation (CPR) after sudden cardiac arrest must be performed immediately on site. During cardiopulmonary resuscitation of a patient, the chest of the patient needs to be compressed. The frequency of compression is required to be 100 to 120 times per minute, and the depth of compression is required to be 5 to 6 cm. When cardiopulmonary resuscitation is performed at present, medical staff are mainly used for rescue. Medical personnel are when carrying out manual rescue, and physical demands is great, can lead to the pressing force degree in later stage and the degree of depth not enough, and then influences the effect of salvageing to manual operation needs the very skilled medical personnel of technique to just can reach anticipated effect, and the staff hardly masters better dynamics and degree of depth. Therefore, there is a need to provide a new cardiopulmonary resuscitation device to replace manual cardiopulmonary resuscitation operations.

For example, chinese patent publication No. CN208492664U discloses an emergency cardiopulmonary resuscitation device. The cardiopulmonary resuscitation device for emergency comprises a bottom plate, a supporting mechanism, a protective cover and a cam. The cam is rotationally connected with a rotating motor. The limiting mechanism comprises a limiting pipe and a spring, and the limiting pipe penetrates through the bottom surface of the protective cover. The spring is installed inside the limiting pipe. The displacement mechanism comprises a driving rod, a second limiting knob and a push rod, and the driving rod penetrates through the limiting pipe. The top end of the driving rod is provided with the idler wheel, and the outer wall of the driving rod is provided with a baffle. The baffle is located the inside of spacing pipe just the baffle is located the top of spring. And scale strips are distributed on the outer wall of the ejector rod. The utility model discloses a have following beneficial effect: the driving rod can move up and down through the rotation of the cam, so that the pressing mechanism is driven to perform resuscitation pressing on the chest cavity of the patient, the replacement of the traditional manual pressing is realized, the labor capacity of emergency personnel is effectively reduced, and the emergency personnel can perform other emergency measures; the extension length of the ejector rod can be freely adjusted, so that the pressing depth of the pressing mechanism is different, and the pressing mechanism can conveniently adopt a smaller pressing depth when pressing children and old people, thereby preventing the chest bones of the old and the children from being damaged. However, the utility model still has the following technical disadvantages: because the utility model discloses an only can restrict displacement mechanism and pressing mechanism and be reciprocating motion in the rectilinear direction in the stop gear, can not convert displacement mechanism and pressing mechanism's removal stroke into with cardiopulmonary resuscitation required effective pressing stroke unanimous, for example, convert control displacement mechanism and pressing mechanism's removal stroke into five centimetres, therefore all must adjust the extension length of ejector pin in order to confirm that pressing mechanism is adjusted to suitable pressing depth repeatedly according to patient's the condition when using this utility model device. Therefore, the operation is very complicated, and the precious rescue time is easily wasted. Therefore, there is a need to improve upon the deficiencies of the prior art.

CN209361277U discloses a cardiopulmonary resuscitation machine, including the host computer, including power device, pressure head, respiratory device, controlling means and control panel in the host computer, still include: a base and a support column; wherein the base includes chassis, apparatus for oxygen supply and truckle again, and the apparatus for oxygen supply holds the fixed top that sets up on the chassis of case, and the chassis below sets up a plurality of truckles including holding case, oxygen cylinder and pipe, is holding the incasement and is setting up the oxygen cylinder as the host computer air supply. The utility model discloses a rescue process, including the heart and lung machine, the installation backplate is used for fixing cardiopulmonary resuscitation machine, the position is pressed to the heart and lung machine press head so that the calibration is convenient for patient's health need not to remove so that the position is pressed to the heart and lung machine press head, only need to promote the chassis and arrive suitable position in order to drive the press head and can begin to press and carry out cardiopulmonary resuscitation, strive for the valuable time for clinical rescue cardiac arrest patient, need not external oxygen pipeline simultaneously, can be by taking the direct power device and patient oxygen suppliment of apparatus of oxygen supply certainly, the rescue step has been reduced, be favorable to having improved cardiac arrest patient's recovery success rate.

Moreover, on the one hand, since the skilled person in the art who is understood by the applicant is necessarily different from the examination department; on the other hand, since the inventor studied a lot of documents and patents when making the present invention, but the space limit did not list all details and content in detail, however, this is by no means the present invention does not possess these prior art features, but on the contrary the present invention has possessed all features of the prior art, and the applicant reserves the right to increase the related prior art in the background art at any time according to the relevant regulations of the examination guideline.

SUMMERY OF THE UTILITY MODEL

To the deficiency of the prior art, the utility model provides a cardio-pulmonary resuscitation device at least comprises a base and a supporting mechanism. The support mechanism is detachably connected to the base. The supporting mechanism is detachably connected with a stroke conversion part. And a first driving rod and a second driving rod are arranged in the stroke conversion part. And tooth-shaped structures for transmission are arranged on the side surfaces of the first driving rod and the second driving rod. The first drive rod is meshingly connected with a first gear in the stroke conversion part. The second drive rod is connected with a second gear in the stroke conversion part in a meshing manner. The diameters of the first and second gears are different. The second driving rod is used for driving a pressing plate positioned outside the stroke conversion part so as to perform reciprocating longitudinal pressing on the chest of the patient. Under the condition that the first driving rod can perform reciprocating longitudinal movement, the first gear is movably connected with the inner wall of the stroke conversion part through the same rotating shaft as the second gear in a mode that the longitudinal movement stroke of the second driving rod can be converted into an effective pressing stroke consistent with the requirement of cardio-pulmonary resuscitation through the driving action of the first driving rod and the transmission action of the first gear and the second gear with different diameters so as to avoid the pressing plate from pressing the chest of the patient too deeply or too shallowly.

According to a preferred embodiment, a motor is arranged on the side of the stroke conversion part far away from the ground. An output shaft of the motor is rotationally connected with the disc. The motor is movably connected with one end of the first driving rod far away from the ground through a connecting rod in a mode of converting the circular motion of the disc into the reciprocating longitudinal motion of the first driving rod.

According to a preferred embodiment, one end of the second driving rod close to the pressure plate is movably connected with the pressure plate through a manual telescopic rod in a mode that the distance between the pressure plate and the patient can be adjusted. And the manual telescopic rod is provided with a fastening knob according to a mode of controlling the total length of the manual telescopic rod.

According to a preferred embodiment, the side of the compression plate close to the patient is detachably connected with a protective cushion in a way that improves the comfort of the patient when pressed by the compression plate.

According to a preferred embodiment, a power source is provided on the base in a manner to provide power to the motor. The power supply is provided with a handheld button switch according to a mode capable of controlling the on-off of the power supply.

According to a preferred embodiment, the support mechanism is provided with a handle in such a way that it can be easily moved by the medical staff.

According to a preferred embodiment, the surface of the base is provided with an oxygen bottle, an oxygen tube and an oxygen mask in a manner that can facilitate the supply of oxygen to the patient. The oxygen cylinder is arranged on the surface of one side of the base, which is far away from the ground. The oxygen cylinder is communicated with one end of the oxygen tube. The other end of the oxygen tube is communicated with the oxygen mask.

According to a preferred embodiment, the base is provided with a fixing ring in such a way as to facilitate the stable fixing of the oxygen cylinder.

According to a preferred embodiment, a protective cover is arranged on the side of the stroke conversion part away from the ground in a manner of protecting the motor.

According to a preferred embodiment, the area inside the protective cover close to the motor is provided with a plurality of through holes in a manner that facilitates the heat dissipation of the motor.

The utility model discloses a beneficial technological effect includes at least:

the utility model has the advantages that the stroke conversion part is connected with the support mechanism, the first drive rod and the second drive rod are arranged in the stroke conversion part, the side surfaces of the first drive rod and the second drive rod are both provided with tooth-shaped structures for transmission, the first drive rod is connected with the first gear in a meshing way, the second drive rod is connected with the second gear in a meshing way, and the second drive rod is used for driving the press plate to press the cardiopulmonary resuscitation of the patient; in the case that the first driving rod can perform reciprocating longitudinal movement, the longitudinal movement stroke of the second driving rod can be converted into the same stroke with the effective pressing stroke required by the cardio-pulmonary resuscitation by the driving of the first driving rod and the transmission and conversion action of the first gear and the second gear with different diameters so as to avoid that the pressing plate presses the chest of the patient too deeply or too shallowly; in addition, the whole operation flow of the cardiopulmonary resuscitation is simplified, and more rescue time can be won for the rescue of the patient.

Drawings

FIG. 1 is a simplified schematic diagram of a preferred embodiment of the present invention;

fig. 2 is a simplified schematic diagram of a preferred embodiment of the stroke converting part of the present invention.

List of reference numerals

1: base 2: the supporting mechanism 3: stroke conversion part

4: pressing plate 5: a rotating shaft 6: electric machine

7: disc 8: a connecting rod 9: hand telescopic rod

10: protection pad 11: power supply 12: hand-held button switch

13: the handle 14: an oxygen cylinder 15: oxygen hose

16: oxygen inhalation mask 17: fixing ring 18: protective cover

180: through hole 301: the first drive lever 302: second drive rod

303: first gear 304: second gear 600: output shaft

900: fastening knob

Detailed Description

The following detailed description is made with reference to the accompanying drawings.

As shown in fig. 1 and 1, a cardiopulmonary resuscitation device includes at least a base 1 and a support mechanism 2. The support mechanism 2 is detachably connected to the base 1. The support mechanism 2 is detachably connected with a stroke conversion part 3. A first drive lever 301 and a second drive lever 302 are provided in the stroke switching portion 3. The side surfaces of the first driving rod 301 and the second driving rod 302 are provided with tooth-shaped structures for transmission. The first drive lever 301 is connected in meshing engagement with a first gear 303 in the stroke converting part 3. The second drive lever 302 is connected in meshing engagement with a second gear 304 in the stroke converting part 3. The diameters of the first gear 303 and the second gear 304 are different. The second driving rod 302 is used to drive the pressure plate 4 located outside the stroke converting part 3 to perform reciprocating longitudinal compression on the chest of the patient. In the case where the first driving lever 301 is capable of reciprocating longitudinal movement, the first gear 303 is movably connected to the inner wall of the stroke converting part 3 through the same rotating shaft 5 as the second gear 304 in such a manner that the longitudinal movement stroke of the second driving lever 302 can be converted into an effective pressing stroke required for cardiopulmonary resuscitation by the driving of the first driving lever 301 and through the transmission action of the first gear 303 and the second gear 304 having different diameters so as to avoid the pressing plate 4 from pressing the chest of the patient too deeply or too shallowly. Preferably, the base 1 may have a rectangular parallelepiped shape. Preferably, the stroke converting part 3 may have a rectangular parallelepiped shape or a square shape. Preferably, the first driving lever 301 and the second driving lever 302 may be movably connected to the stroke converting part 3 through bushings. Preferably, the arrangement direction of the first driving lever 301 and the second driving lever 302 may be both vertical directions. Preferably, the first gear 303 in the stroke conversion part 3 may be in meshed connection with the toothed structure on the first driving rod 301. Preferably, the second gear 304 in the stroke conversion part 3 can be connected in a meshing manner with the tooth-like structure on the second driving rod 302. Preferably, the first gear 303 and the second gear 304 may coaxially rotate with the rotation shaft 5. Preferably, the support mechanism 2 is detachably attached to the top surface of the base 1. Preferably, the pressing plate 4 may have a rectangular parallelepiped shape. Preferably, the pressing plate 4 may be located outside the stroke converting part 3. Preferably, the rotation shaft 5 may be movably connected to a sidewall inside the stroke converting part 3. Preferably, the effective compression stroke required for cardiopulmonary resuscitation compressions of the patient's chest may be five to six centimeters. Preferably, the first driving lever 301 and the second driving lever 302 may be respectively provided at both sides of the rotation shaft 5. Preferably, the first driving rod 301 and the second driving rod 302 may also be respectively disposed on the same side of the rotating shaft 5. Preferably, the diameter ratio of the first gear 303 and the second gear 304 can be flexibly set according to actual situations. For example, when the stroke of the first driving rod 301 capable of reciprocating and longitudinally moving is twelve centimeters, the diameter ratio of the first gear 303 and the second gear 304 can be two to one, so that the longitudinal movement stroke of the second driving rod 302 can be converted into six centimeters, that is, the depth of the pressing plate 4 driven by the second driving rod 302 to perform reciprocating and longitudinally pressing on the chest of the patient is six centimeters. Preferably, the stroke of the reciprocating longitudinal movement of the second driving rod 302 can be proportionally expanded or reduced to the required longitudinal movement stroke by the driving of the first driving rod 301 and the transmission and conversion action of the first gear 303 and the second gear 304. By this arrangement, the longitudinal movement stroke of the second drive rod 302 can be converted by the drive of the first drive rod 301 and the transmission action of the first gear 303 and the second gear 304 with different diameters to coincide with the effective compression stroke required for cardiopulmonary resuscitation to avoid the compression plate 4 pressing the chest of the patient too deeply or too shallowly.

According to a preferred embodiment, the side of the stroke converting part 3 remote from the ground is provided with a motor 6. An output shaft 600 of the motor 6 is rotationally connected to the disc 7. The motor 6 is movably connected with one end of the first driving rod 301 far away from the ground through a connecting rod 8 according to a mode of converting the circular motion of the disc 7 into the reciprocating longitudinal motion of the first driving rod 301. Preferably, the motor 6 may be detachably coupled to the top of the stroke converting part 3. Preferably, one end of the link 8 is movably connected to the outside of the disc 7. Preferably, the other end of the link 8 may be movably connected with one end of the first driving lever 301 away from the ground. By this arrangement, the first drive rod is provided with a source of power for reciprocating longitudinal movement by the cooperation of the motor 6, the disc 7 and the link 8.

According to a preferred embodiment, one end of the second driving rod 302 near the compression plate 4 is movably connected with the compression plate 4 through a manual telescopic rod 9 in a manner that the distance between the compression plate 4 and the patient can be adjusted, wherein a fastening knob 900 is arranged on the manual telescopic rod 9 in a manner that the total length of the manual telescopic rod 9 can be controlled. Preferably, the compression plate 4 may have a square structure to facilitate the cardiopulmonary resuscitation compression operation on the patient. Preferably, the pressure plate 4 may be parallel to the horizontal plane. Preferably, the manual telescopic rod 9 can adopt the prior art. Preferably, the manual telescopic rod 9 may be made of a metal material. Preferably, the manual telescopic rod 9 may be provided with a fastening knob 900. Preferably, the fastening knob 900 may be connected to the outer surface of the manual telescopic rod 9 by means of a screw connection. By this arrangement, the compression plate 4 can be quickly moved to the chest of the patient by the manually operated telescopic rod 9 so as to be ready for subsequent cardiopulmonary resuscitation compression.

According to a preferred embodiment, the side of the compression plate 4 adjacent to the patient is detachably connected to the protective pad 10 in a manner that improves the comfort of the patient when pressed by the compression plate 4. Preferably, the protective pad 10 may be a sponge pad. By this configuration, the compression of the compression plate 4 can be buffered by the sponge pad, so that the compression process of the compression plate 4 on the chest of the patient is more comfortable.

According to a preferred embodiment, a power source 11 is provided on the base 1 in a manner to provide power to the motor 6, wherein the power source 11 is provided with a hand-held push-button switch 12 in a manner to control the on-off of the power source 11. Preferably, the power source 11 may be a battery. Preferably, the power source 11 may be detachably connected to the top surface of the base 1. Preferably, the hand-held button switch 12 may be electrically connected with the motor 6 and the power source 11 through a metal cable.

According to a preferred embodiment, the support mechanism 2 is provided with a handle 13 in such a way that it is possible to facilitate the movement of the support mechanism 2 by the medical staff. Preferably, the handle 13 may be detachably attached to the side of the support mechanism 2.

According to a preferred embodiment, an oxygen bottle 14, an oxygen tube 15 and an oxygen mask 16 are arranged on the surface of the base 1 in a manner that can facilitate oxygen supply for patients, wherein the oxygen bottle 14 is arranged on the surface of the base 1 far away from the ground, the oxygen bottle 14 is communicated with one end of the oxygen tube 15, and the other end of the oxygen tube 15 is communicated with the oxygen mask 16.

According to a preferred embodiment, the base 1 is provided with a fixing ring 17 in such a way as to facilitate the stable fixing of the oxygen cylinder 14. Preferably, the fixing ring 17 may be detachably attached to the surface of the base 1.

According to a preferred embodiment, the side of the stroke converter 3 remote from the ground is provided with a protective cover 18 in such a way that the motor 6 can be protected. Preferably, the protection cover 18 may be detachably attached to the stroke converting part 3. Preferably, the shield 18 may be cylindrical or square in shape.

According to a preferred embodiment, the area of the protective cover 18 close to the electric motor 6 is provided with a plurality of through holes 180 in such a way as to facilitate the heat dissipation of the electric motor 6. Preferably, the through hole 180 may be provided at a side of the shield 18.

In order to facilitate understanding of the working principle of the present embodiment, the use process of the present invention is briefly described as follows: first, the medical staff holds the handle 13 to move the present invention to the position of the patient who needs cardiopulmonary resuscitation. Next, the fastening knob 900 is loosened to adjust the protruding length of the manually extensible rod 9 so that the pressing plate 4 can be closely attached to the center of the chest of the patient. The operation of the adjusting manual telescopic rod 9 can be completed at one time, so that more rescue time can be strived for the medical staff to rescue patients. At the same time, oxygen breathing mask 16 is placed in the mouth of the patient. Then, the medical staff can start the rotating motor 6 by holding the button switch 12, and further make the first driving rod 301 perform reciprocating longitudinal movement through the transmission action of the disc 7 and the connecting rod 8; the first driving rod 301 drives the first gear 303 to rotate through its own tooth-shaped structure, and due to the driving action of the same rotating shaft 5, the second gear 304 also rotates along with the first driving rod to drive the second driving rod 302 to perform reciprocating longitudinal movement, and further, through the transmission action of the first gear 303 and the second gear 304 with different diameters, the stroke of the reciprocating longitudinal movement of the first driving rod 301 is enlarged or reduced to an effective stroke that the second driving rod 302 can safely perform cardiopulmonary compression on a patient according to a certain proportion. Finally, the second driving rod 302 can drive the pressing plate 4 to perform reciprocating longitudinal movement and press the chest of the patient through the manual telescopic rod 9, so as to effectively realize cardiopulmonary resuscitation pressing.

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. Cardiopulmonary resuscitation device, comprising at least a base (1) and a support means (2), characterized in that the support means (2) is detachably connected to the base (1), the support means (2) is detachably connected to a stroke converting part (3),

a first driving rod (301) and a second driving rod (302) are arranged in the stroke conversion part (3), tooth-shaped structures for transmission are arranged on the side surfaces of the first driving rod (301) and the second driving rod (302), the first driving rod (301) is connected with a first gear (303) in the stroke conversion part (3) in a meshed mode, the second driving rod (302) is connected with a second gear (304) in the stroke conversion part (3) in a meshed mode, the diameters of the first gear (303) and the second gear (304) are different, the second driving rod (302) is used for driving a pressing plate (4) located outside the stroke conversion part (3) to perform reciprocating longitudinal pressing on the chest of a patient,

wherein the content of the first and second substances,

under the condition that the first driving rod (301) can perform reciprocating longitudinal movement, the first gear (303) movably connects the second gear (304) with the inner wall of the stroke conversion part (3) through the same rotating shaft (5) in a manner that the longitudinal movement stroke of the second driving rod (302) can be converted into an effective pressing stroke consistent with the cardiopulmonary resuscitation requirement through the driving of the first driving rod (301) and the transmission action of the first gear (303) and the second gear (304) with different diameters so as to avoid the pressing plate (4) from pressing the chest of the patient too deeply or too shallowly.

2. Cardiopulmonary resuscitation device according to claim 1, wherein the side of the stroke converting part (3) facing away from the ground is provided with a motor (6), and an output shaft (600) of the motor (6) is rotatably connected to a disc (7), wherein the motor (6) is movably connected to the end of the first driving rod (301) facing away from the ground via a connecting rod (8) in a manner enabling to convert a circular movement of the disc (7) into a reciprocating longitudinal movement of the first driving rod (301).

3. The cardiopulmonary resuscitation device of claim 2, wherein an end of the second driving lever (302) near the compression plate (4) is movably connected to the compression plate (4) by a manually extendable rod (9) in such a manner that a distance between the compression plate (4) and the patient can be adjusted, wherein the manually extendable rod (9) is provided with a fastening knob (900) in such a manner that an overall length of the manually extendable rod (9) can be controlled.

4. Cardiopulmonary resuscitation device according to claim 3, characterized in that the side of the compression plate (4) close to the patient is detachably connected to a protective pad (10) in a manner that improves the comfort of the patient when pressed by the compression plate (4).

5. Cardiopulmonary resuscitation device according to claim 4, wherein a power supply (11) is arranged on the base (1) in such a way that it is able to supply power to the motor (6), wherein the power supply (11) is provided with a hand-held push-button switch (12) in such a way that it is able to control the switching of the power supply.

6. Cardiopulmonary resuscitation device according to claim 5, wherein the support means (2) is provided with a handle (13) in such a way that it is possible to facilitate the movement of the support means (2) by a medical staff.

7. The cardiopulmonary resuscitation device according to claim 6, wherein an oxygen bottle (14), an oxygen tube (15) and an oxygen mask (16) are disposed on a surface of the base (1) in a manner that can facilitate oxygen supply to a patient, wherein the oxygen bottle (14) is disposed on a surface of the base (1) away from the ground, the oxygen bottle (14) is in communication with one end of the oxygen tube (15), and the other end of the oxygen tube (15) is in communication with the oxygen mask (16).

8. Cardiopulmonary resuscitation device according to claim 7, wherein the base (1) is provided with a fixation ring (17) in such a way that it can facilitate fixation of the oxygen cylinder (14).

9. Cardiopulmonary resuscitation device according to claim 8, characterized in that the side of the stroke transition part (3) facing away from the ground is provided with a protective cover (18) in such a way that the motor (6) can be protected.

10. The cardiopulmonary resuscitation device of claim 9, wherein a region of the protective cover (18) adjacent to the motor (6) is provided with a plurality of through holes (180) in a manner facilitating heat dissipation by the motor (6).