CN110123615B

CN110123615B - First-aid device for cardiac surgery

Info

Publication number: CN110123615B
Application number: CN201910411443.2A
Authority: CN
Inventors: 王桂亮
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-17
Filing date: 2019-05-17
Publication date: 2021-07-16
Anticipated expiration: 2039-05-17
Also published as: CN110123615A

Abstract

A cardiac surgery emergency device can not well meet the clinical requirement at present by a conversion platform, and comprises a box body which is horizontally placed and is provided with an opening at the upper end, a lying plate which can horizontally slide and vertically slide is arranged in the box body, an arc-shaped neck pillow is arranged above the left side of the lying plate, the left end of the neck pillow is hinged and fixed with the lying plate through a pin shaft, and the neck pillow is in a structure swinging along the pin shaft; the left side of the box body is provided with a support frame which can horizontally slide and can adjust the height up and down, and the support frame is provided with a heart pressing device.

Description

First-aid device for cardiac surgery

Technical Field

The invention relates to the technical field of medical instruments, in particular to a cardiac surgery emergency device.

Background

Cardiac surgery is a younger subject in the branches of the surgical field, mainly for the treatment of heart diseases by surgery, such as bypass surgery, congenital heart disease surgery, valve replacement, etc. The common heart diseases to be treated are: congenital heart disease, valvular heart disease, coronary heart disease, thoracic aortic aneurysm, pericardial disease, heart tumor, etc.

The heart is one of the most important organs of the human body and provides power for the human body, the heart of a patient is required to be resuscitated frequently in the emergency treatment process of cardiac surgery, but the patient is transported to an operation table from a transport vehicle which is used for transporting the patient to the operation table, a bed sheet under the patient needs to be pulled by a hospital to transfer the patient to the operation table, the operation table is usually rigid, secondary injury of the patient is likely to be caused, in addition, the cardiac surgery patient is likely to cause cardiac arrest in the transportation process, manual resuscitation needs to be carried out, and therefore the greatest success of rescue is strived for the patient.

Disclosure of Invention

In view of the above situation, in order to overcome the defects of the prior art, the invention provides a cardiac surgery emergency treatment device, which effectively solves the problem that the existing conversion platform cannot well meet the clinical requirements.

In order to achieve the purpose, the invention comprises a box body which is horizontally placed and has an opening at the upper end, a lying plate which can horizontally slide and vertically slide is arranged in the box body, an arc-shaped neck pillow is arranged above the left side of the lying plate, the left end of the neck pillow is hinged and fixed with the lying plate through a pin shaft, and the neck pillow is in a structure swinging along the pin shaft; a support frame which can horizontally slide and can adjust the height up and down is arranged at the left side of the box body, and a heart pressing device is arranged on the support frame;

the support frame comprises a horizontal third threaded rod which is rotatably fixed on the front side and the rear side of the box body, the third threaded rod is in threaded connection with a horizontally sliding rectangular block, a vertically sliding support plate is arranged above the rectangular block, a fourth threaded rod is fixed at the upper end of the rectangular block, a fifth threaded rod is fixed at the lower end of the support plate, the thread turning directions of the fourth threaded rod and the fifth threaded rod are opposite, a rotating rod is arranged between the rectangular block and the support plate, the lower end of the rotating rod is in threaded connection with the fourth threaded rod, the upper end of the rotating rod is in threaded connection with the fifth threaded rod, and the rotating rod;

the heart pressing device comprises an operation box fixed on a supporting plate, a control box fixedly connected with the supporting plate is arranged below the supporting plate, a vertical second rack is fixed in the control box, two second gears connected through the vertical plate are meshed on the right side of the second rack, the second gears are rotatably connected with the vertical plate, a third rack capable of vertically sliding is meshed on the right side of the second gears, and the lower end of the third rack penetrates through the control box and wraps a circular pressing head; a rotatable second disc is arranged in the operation box, a second connecting rod is hinged to the edge of the second disc, the second connecting rod is hinged and fixed to the middle of the vertical plate, and the second disc rotates to form a structure that the pressing head vertically slides;

the lower end of the rectangular block is fixedly connected with an L-shaped sliding box which horizontally slides, a rotatable third gear is arranged in the rear end of the sliding box, a first unidirectional gear which rotates in a unidirectional mode is meshed above the third gear, an idler wheel is meshed on the right side of the third gear, a second unidirectional gear which is coaxial with the first unidirectional gear is meshed on the left side of the idler wheel, and the first unidirectional gear and the second unidirectional gear are both in a structure of rotating clockwise and idling anticlockwise; a fourth gear which is coaxially fixed is arranged in front of the third gear, a fourth rack which vertically slides is meshed on the right side of the fourth gear, the upper end of the fourth rack penetrates through the sliding box and is arranged above the sliding box, a pressure spring is fixed below the fourth rack, and the lower end of the pressure spring is fixedly connected with the sliding box; the front of the first one-way gear is coaxially provided with a third disc, the third disc is positioned on the outer side of the sliding box, the second disc is coaxially and fixedly connected with a fourth disc, a length-adjustable adjusting rod is arranged between the third disc and the fourth disc, the lower end of the adjusting rod is hinged and fixed with the edge of the third disc, the upper end of the adjusting rod is hinged and fixed with the edge of the fourth disc, and the adjusting rod is hinged and fixed with the third disc and the fourth disc to form a parallelogram structure.

Preferably, a horizontal first T-shaped groove is formed in the box body, a buffer plate capable of sliding up and down is arranged in the first T-shaped groove, a first spring is fixed at the lower end of the buffer plate, and the lower end of the first spring is fixedly connected with the box body;

a horizontal slidable first T-shaped block is arranged in the first T-shaped groove, a rolling roller is fixed at the lower end of the first T-shaped block, and a buffer plate is positioned below the roller and is in contact with the roller;

the upper end of the first T-shaped block penetrates through the first T-shaped groove and is arranged at the upper end of the first T-shaped groove, the fixedly connected bottom plate is fixedly connected with the bottom plate, vertical plates are arranged at the front end and the rear end of the bottom plate, and the upper ends of the vertical plates are fixedly connected with the lying plate.

Preferably, every but vertical board outside is equipped with a horizontal slip splint, and the outside of splint is rotatable is equipped with first threaded rod, and first threaded rod and box threaded connection are equipped with the horizontally blind hole in the box, and slidable is equipped with the guide arm in the blind hole, and the guide arm runs through blind hole and splint fixed connection.

Preferably, an arc-shaped connecting plate is fixed at the lower end of the neck pillow, the connecting plate is positioned in the box body, and the left end of the connecting plate is hinged and fixed with the box body through a pin shaft;

the box is internally provided with a rotatable first disc, the edge of the first disc is hinged with a first connecting rod, the first connecting rod is hinged and fixed with the right end of the connecting plate, and the first disc rotates to form a structure that the connecting plate rotates around the pin shaft through the first connecting rod.

Preferably, a turbine is coaxially fixed on the first disc, a worm is meshed below the turbine, a first gear is coaxially arranged on the right side of the worm, a first rack which slides transversely is meshed below the first gear, a sliding block is fixed at the front end of the first rack, a second threaded rod is rotatably arranged in the box body, the second threaded rod is in threaded connection with the sliding block to form a structure that the second threaded rod rotates to drive the sliding block to slide transversely, a second T-shaped groove is formed in the box body, a second T-shaped block is slidably arranged in the second T-shaped groove, and the second T-shaped block penetrates through the second T-shaped groove and is fixedly connected with the sliding block.

Preferably, the adjusting rod comprises a third connecting rod with the lower end fixed to the third disc in a hinged mode, a sixth threaded rod is fixed to the upper end of the third connecting rod, a fourth connecting rod with the upper end fixed to the fourth disc in a hinged mode is further included, a sliding rod is vertically and slidably arranged at the lower end of the fourth connecting rod, a seventh threaded rod is fixed to the lower end of the sliding rod, the sixth threaded rod and the seventh threaded rod are opposite in threaded rotating direction, a poking rod is arranged between the third connecting rod and the fourth connecting rod, the upper end of the poking rod is in threaded connection with the seventh threaded rod, and the lower end of the poking rod is in threaded connection with the sixth threaded.

Preferably, a rectangular blind groove is formed in the lower end of the fourth connecting rod, the upper end of the sliding rod is arranged in the blind groove and can slide in the blind groove, a through hole is formed in the fourth connecting rod, a round hole is formed in the sliding rod corresponding to the through hole, and a locking pin is inserted into the round hole and the through hole.

Preferably, first one-way gear includes first one-way external gear, and first one-way external gear inboard is equipped with first star gear, and first star gear is gapped with first one-way external gear inner wall, is equipped with the wedge groove on the first star gear, and the wedge inslot is equipped with first ball that can roll, locates the second spring that is located the vertical limit direction in wedge groove in the first star gear, and the second spring is close to first ball side and is connected with first ball ejector pin, and first ball ejector pin contacts with first ball, first star gear and first one-way gear's axis of rotation fixed connection.

Preferably, the second one-way gear includes the one-way external gear of second, and the one-way external gear inboard of second is equipped with the second star gear, and it is gapped with the one-way external gear inner wall of second star gear, is equipped with the wedge groove on the second star gear, and the wedge inslot is equipped with the second ball that can roll, is equipped with the third spring that is located the vertical limit direction of wedge groove in the second star gear, and the third spring is close to second ball side and is connected with the second and rolls out the ejector pin, and second ball ejector pin contacts with the second ball, the second star gear and the axis of rotation fixed connection of second one-way gear.

Preferably, the lower end of the box body is fixed with two groups of universal wheels and directional wheels with brakes.

The invention has novel structure and ingenious conception, can greatly reduce the secondary injury of the patient, can resuscitate the heart of the patient, and is suitable for being popularized in a large range in a hospital.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the overall structure of the present invention.

FIG. 2 is a schematic axial-side view of the overall structure of the present invention

FIG. 3 is a schematic view of the fitting structure of the box body and the lying plate of the present invention.

Fig. 4 is a schematic view of a cushion structure of the lying plate of the invention.

Fig. 5 is a schematic view of the swing structure of the neck pillow of the present invention.

Fig. 6 is a schematic view of a swing structure of the connecting plate of the present invention.

FIG. 7 is a schematic view of the power structure for driving the connecting plate to swing according to the present invention.

Fig. 8 is a schematic view of the lateral sliding structure of the splint of the present invention.

Fig. 9 is a schematic view of the internal structure of the sliding box of the present invention.

FIG. 10 is a schematic axial view of the inner structure of the sliding box of the present invention.

Fig. 11 is a schematic view of the invention shown in fig. 6 with the lying plate removed.

FIG. 12 is a schematic view of a fourth disc of the third disc drive of the present invention.

Fig. 13 is a schematic structural view of the height adjusting part of the adjusting lever of the present invention.

Fig. 14 is a schematic view of the driving structure of the press head of the present invention.

FIG. 15 is a schematic view of the side structure of the driving shaft of the press head according to the present invention.

Fig. 16 is a schematic view of the internal structure of the first one-way gear according to the present invention.

Fig. 17 is a schematic view of the internal structure of the second one-way gear of the present invention.

Detailed Description

The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings 1 to 17.

As shown in figures 1-17, the invention comprises a box body 1 which is horizontally placed and has an open upper end, the box body 1 is integrally of a concave structure, the left side of the box body 1 is closed, a lying plate 2 which can horizontally slide and vertically slide is arranged in the box body 1, a patient is placed on the lying plate 2 in the transferring process, a vertical buffer force is generated on the patient placed on the lying plate 2 due to the fact that the lying plate 2 can slide vertically, the secondary injury of the patient on the patient is avoided, an arc-shaped neck pillow 3 is arranged above the left side of the lying plate 2, the left end of the neck pillow 3 is hinged and fixed with the lying plate 2 through a pin shaft, the neck pillow 3 is of a structure swinging along a pin shaft, in the initial position, the uppermost end of the neck pillow 3 is basically in a state of being flush with the upper end face of the lying plate 2, the neck position of the patient is positioned above the neck pillow 3, the patient in cardiac surgery needs to ensure the smoothness of breathing, and at the moment, through the, therefore, the height of the neck of the patient is raised, after the height of the neck of the patient is raised, the airway of the patient can be well in a length state, the smoothness of breathing is ensured, and the safety of the patient is improved;

but the left side of box 1 is equipped with horizontal slip and height-adjusting's support frame 4 from top to bottom, be equipped with heart press device 5 on support frame 4, after the patient lies on service creeper 2, promote service creeper 2 and slide to suitable position to the left side, it is fixed with service creeper 2 this moment, this is first step coarse adjustment, horizontal slip and height-adjusting from top to bottom through support frame 4, make heart press device 5 just in time be located the top of patient's heart, then press patient's heart through heart press device 5, thereby accelerate the recovery of patient's heart.

The box body 1 is provided with horizontal first T-shaped grooves, the first T-shaped grooves are located in the concave position of the box body 1, the number of the first T-shaped grooves is two, buffering plates 6 capable of sliding up and down are arranged in the first T-shaped grooves, one buffering plate 6 corresponds to one first T-shaped groove, first springs 7 are fixed at the lower ends of the buffering plates 6, the number of the first springs 7 below each buffering plate 6 is four, the four first springs 7 are distributed at equal intervals, and the lower ends of the first springs 7 are fixedly connected with the box body 1;

the horizontal slidable first T-shaped blocks 9 are arranged in the first T-shaped grooves, two first T-shaped blocks 9 are arranged in one first T-shaped groove, the lower end of each first T-shaped block 9 is fixedly provided with a roller 10 capable of rolling, the number of the rollers 10 corresponds to that of the first T-shaped blocks 9, the buffer plate 6 is located below the rollers 10 and is in contact with the rollers 10, and the rollers 10 can slide along the buffer plate 6;

first T type piece 9 upper end runs through first T type groove and arranges upper end and fixedly connected with bottom plate 11 in first T type groove, bottom plate 11 is one, four first T type pieces 9 are fixed in the below of bottom plate 11, both ends all are equipped with vertical board 12 around on the bottom plate 11, vertical board 12 upper end and service creeper 2 fixed connection, under the effect of first spring 7, produce a decurrent buffering effect after the patient lies on service creeper 2, avoid patient's secondary injury, first T type piece 9 can also guarantee that the vertical position of service creeper 2 can not be too high, because first T type piece 9 still has a vertical spacing effect, adopt gyro wheel 10 can reduce service creeper 2 and be carrying out horizontal slip's resistance, save medical personnel's physical power.

A clamping plate 13 capable of sliding horizontally is arranged on the outer side of each vertical plate 12, the clamping plate 13 is a horizontal plate, a first threaded rod 14 is rotatably arranged on the outer side of the clamping plate 13, the first threaded rod 14 is rotatably connected with the clamping plate 13 through a bearing, the first threaded rod 14 is in threaded connection with the box body 1, the outer end of the first threaded rod 14 is arranged on the inner side of the box body 1, a prismatic slotted hole is formed in the outer end face of the first threaded rod 14, the handle has been inserted in the slotted hole, rotate through handle drive first threaded rod 14, but be equipped with the horizontally blind hole in the box 1, slidable is equipped with guide rod 15 in the blind hole, guide rod 15 runs through blind hole and splint 13 fixed connection, guide rod 15 plays the effect of direction, guarantee that splint 13 carries out horizontal slip at first threaded rod 14 at the pivoted in-process, splint 13 lateral sliding extrudes vertical board 12 to make splint 13 press from both sides tight vertical board 12 and form the structure of fixing lying board 2.

An arc-shaped connecting plate 16 is fixed at the lower end of the neck pillow 3, the connecting plate 16 is fixedly connected with the neck pillow 3 through a reinforcing plate, the connecting plate 16 is positioned in the box body 1, a neck pin shaft at the left end of the connecting plate 16 is hinged and fixed with the box body 1, and the connecting plates 16 are transversely arranged into 3 groups at equal intervals in order to ensure the stability of the neck pillow 3;

be equipped with rotatable first disc 17 in the box 1, the edge of first disc 17 articulates there is first connecting rod 18, first connecting rod 18 is articulated fixed with connecting plate 16 right-hand member, first disc 17 rotates and constitutes connecting plate 16 around round pin axle pivoted structure through first connecting rod 18, first disc 17 corresponds connecting plate 16 and also sets 3 groups into, three first disc 17 coaxial fixation and pivoted position coincide completely, it makes connecting plate 16 swing along the round pin axle to rotate when first disc 17, thereby connecting plate 16 swings and makes neck pillow 3 swing, thereby hold up patient's neck, make patient's air flue smooth and easy.

A worm wheel 19 is coaxially fixed on the first disc 17, a worm 20 is meshed below the worm wheel 19, the worm 20 of the worm wheel 19 has self-locking property, a first gear 21 is coaxially arranged on the right side of the worm 20, the first gear 21 is positioned on the right side of the worm wheel 19, a first rack 22 which slides transversely is meshed below the first gear 21, a sliding block 23 is fixed at the front end of the first rack 22, a second threaded rod 24 is rotatably arranged in the box body 1, the second threaded rod 24 is in threaded connection with the sliding block 23 to form a structure that the second threaded rod 24 rotates to drive the sliding block 23 to slide transversely, a blind hole is arranged at the front end of the sliding block 23, an internal thread is arranged in the blind hole, the second threaded rod 24 is provided with an external thread, the internal thread is matched with the external thread to form a structure that the second threaded rod 24 is in threaded connection with the sliding block 23, the shaft diameter of the rear end thread part of the, a second T-shaped groove is formed in the box body 1, a second T-shaped block is slidably arranged in the second T-shaped groove, the second T-shaped block penetrates through the second T-shaped groove and is fixedly connected with the sliding block 23, the second T-shaped block and the second T-shaped groove are matched to form a guiding effect, the sliding block 23 can slide transversely in the rotating process of the second threaded rod 24, the outer end face of the second threaded rod 24 is flush with the front end face of the box body 1, a transverse prismatic hole is formed in the outer end of the second threaded rod 24, a crank is inserted into the prismatic hole, the second threaded rod 24 is driven to rotate through the crank, the first rack 22 can be driven to slide transversely by the rotation of the second threaded rod 24, the first rack 22 slides to drive the worm 20 to rotate through the first gear 21, the worm 20 rotates to drive the first disc 17 to rotate through the turbine 19, and the first disc 17 rotates to drive the neck pillow 3 to swing.

The supporting frame 4 comprises a third horizontal threaded rod 25 which is rotatably fixed on the front side and the rear side of the box body 1, the third threaded rod 25 is in threaded connection with a rectangular block 26 which horizontally slides, third horizontal T-shaped grooves are formed in the front side and the rear side of the box body 1, a third T-shaped block is slidably arranged in the third T-shaped grooves, the third T-shaped block penetrates through the box body 1 and is fixedly connected with the rectangular block 26, the third threaded rod 25 drives the rectangular block 26 to horizontally slide in the rotating process, a supporting plate 27 which vertically slides is arranged above the rectangular block 26, a fourth threaded rod 28 is fixed at the upper end of the rectangular block 26, a fifth threaded rod 29 is fixed at the lower end of the supporting plate 27, the thread directions of the fourth threaded rod 28 and the fifth threaded rod 29 are opposite, the axial diameters of the fourth threaded rod 28 and the fifth threaded rod 29 are the same, a rotating rod 30 is arranged between the rectangular block 26 and the supporting plate 27, the lower end of the rotating rod 30 is in threaded connection with the fourth threaded rod 28, the upper end of the rotating rod 30 is in threaded connection with the fifth threaded rod 29, the rotating rod 30 rotates to form a structure for vertical lifting of the supporting plate 27, when the height of the supporting plate 27 needs to be adjusted, the rotating rod 30 is rotated through a manual rotating connecting ring, and the supporting plate 27 is vertically lifted through rotation of the rotating rod 30, so that the height of the supporting frame 4 is adjusted.

The heart pressing device 5 comprises an operation box 30 fixed on a support plate 27, the upper end of the operation box 30 is of an arc structure, the lower end of the operation box 30 is of a square structure, a control box 32 fixedly connected with the support plate 27 is arranged below the control plate, the control box 32 is of a square structure, a vertical second rack 33 is fixed in the control box 32, two second gears 34 connected through a vertical plate 35 are meshed on the right side of the second rack 33, the two second gears 34 are completely identical, the verticality of the vertical plate 35 can be ensured under the action of the second rack 33 and the two second gears 34, the second gear 34 is rotatably connected with the vertical plate 35, a third rack 36 capable of vertically sliding is meshed on the right side of the second gear 34, the lower end of the third rack 36 penetrates through the control box 32 and is coated with a circular pressing head 37, and the third rack 36 can slide in the control box 32;

the operation box 30 is internally provided with a rotatable second disc 38, the edge of the second disc 38 is hinged with a second connecting rod 39, the second connecting rod 39 is hinged and fixed with the middle part of the vertical plate 12, the second disc 38 rotates to form a structure that the pressing head 37 vertically slides, grooves for the second connecting rod 39 to move are arranged in the operation box 30, the supporting plate 27 and the control box 32, the second disc 38 can drive the third rack 36 to vertically slide in the rotating process, and the sliding length of the third rack 36 is four times of the radius of the hinged part of the second disc 38 and the second connecting rod 39, so that the moving amplitude of the pressing head 37 driven by the third rack 36 is doubled, the heart pressing strength is ensured, the space volume of the second disc 38 is reduced, and the cost is saved.

The lower end of the rectangular block 26 is fixedly connected with an L-shaped sliding box 40 which slides horizontally, a rotatable third gear 41 is arranged in the rear end of the sliding box 40, a first unidirectional gear 42 which rotates in a unidirectional mode is meshed above the third gear 41, an idle gear 43 is meshed on the right side of the third gear 41, a second unidirectional gear 44 which is coaxial with the first unidirectional gear 42 is meshed on the left side of the idle gear 43, the first unidirectional gear 42 and the second unidirectional gear 44 both rotate clockwise and idle in a counterclockwise mode, when the third gear 41 rotates clockwise, the third gear 41 drives the first unidirectional gear 42 to rotate counterclockwise, at the moment, the first unidirectional gear 42 idles, the first unidirectional gear 42 cannot drive a gear shaft to rotate, the third gear 41 drives the second unidirectional gear 44 to rotate clockwise through the idle gear 43, and the second unidirectional gear 44 rotates clockwise to drive the gear shaft to rotate, therefore, at this time, the gear shaft of the first one-way gear 42 rotates clockwise, when the third gear 41 rotates counterclockwise, the third gear 41 drives the first one-way gear 42 to rotate clockwise, the first one-way gear 42 drives the gear shaft to rotate clockwise, the third gear 41 drives the second one-way gear 44 to rotate counterclockwise through the idle gear 43, and at this time, the second one-way gear 44 idles, so that the gear shaft of the first one-way gear 42 rotates clockwise no matter the third gear 41 rotates clockwise or reversely;

a coaxially fixed fourth gear 45 is arranged in front of the third gear 41, a vertically sliding fourth rack 46 is meshed on the right side of the fourth gear 45, the upper end of the fourth rack 46 penetrates through the sliding box 40 and is arranged above the sliding box 40, a pressure spring 47 is fixed below the fourth rack 46, the lower end of the pressure spring 47 is fixedly connected with the sliding box 40, an operator can step on the fourth rack 46 by feet, and the fourth rack 46 drives the fourth gear 45 to rotate in a reciprocating manner;

a third disc 48 is coaxially arranged in front of the first one-way gear 42, the third disc 48 is positioned outside the sliding block, a fourth disc 49 is coaxially and fixedly connected with the second disc 38, an adjusting rod 50 with adjustable length is arranged between the third disc 48 and the fourth disc 49, the lower end of the adjusting rod 50 is hinged and fixed with the edge of the third disc 48, the upper end of the adjusting rod 50 is hinged and fixed with the edge of the fourth disc 49, the adjusting rod 50 is hinged and fixed with the third disc 48 and the fourth disc 49 to form a parallelogram structure, the third disc 48 and the fourth disc 49 have the same size, an operator steps on the fourth rack 46 to enable the gear shaft of the first one-way gear 42 to rotate clockwise all the time, so as to drive the third disc 48 to rotate clockwise all the time, the third disc 48 drives the fourth disc 49 to rotate through the adjusting rod 50, the fourth disc 49 drives the coaxial second disc 38 to rotate, so as to complete the reciprocating vertical sliding of the pressing head 37, a compression effect on the heart of the patient is created.

The adjusting rod 50 comprises a third connecting rod 51, the lower end of the third connecting rod 51 is hinged and fixed with the third disc 48, a sixth threaded rod 52 is fixed at the upper end of the third connecting rod 51, the fourth connecting rod 53 is hinged and fixed with the fourth disc 49, a sliding rod 54 is vertically and slidably arranged at the lower end of the fourth connecting rod 53, the vertical position of the sliding rod 54 can be adjusted, a seventh threaded rod 55 is fixed at the lower end of the sliding rod 54, the thread turning directions of the sixth threaded rod 52 and the seventh threaded rod 55 are opposite, the outer diameters of the sixth threaded rod 52 and the seventh threaded rod 55 are the same, a poking rod 56 is arranged between the third connecting rod 51 and the fourth connecting rod 53, the upper end of the poking rod 56 is in threaded connection with the seventh threaded rod 55, the lower end of the poking rod 56 is in threaded connection with the sixth threaded rod 52, and the length of.

The lower end of the fourth connecting rod 53 is provided with a rectangular blind groove, the upper end of the sliding rod 54 is arranged in the blind groove and can slide in the blind groove, a through hole is formed in the fourth connecting rod 53, a round hole is formed in the sliding rod 54 corresponding to the through hole, a locking pin 57 is inserted in the round hole and the through hole, when the sliding rod is used, a hole is formed in the fourth disc 49, a pin is inserted in the hole to fix the fourth disc 49 on the support frame 4, the locking pin 57 is opened, the vertical height of the support frame 4 is adjusted, the sliding rod 54 slides in the fourth connecting rod 53 at the moment, after the position is adjusted, the round hole of the sliding rod 54 corresponds to the through hole of the fourth connecting rod 53 through the rotating poking rod 56.

First one-way gear 42 includes first one-way external gear 58, first one-way external gear 58 inboard is equipped with first star gear 69, first star gear 69 is gapped with first one-way external gear 58 inner wall, be equipped with the wedge groove on the first star gear 69, the wedge inslot is equipped with first ball 60 that can roll, be equipped with in the first star gear 69 and lie in the second spring 61 that lies in the vertical limit direction of wedge groove, second spring 61 is close to first ball 60 side and is connected with first ball ejector pin 61, first ball ejector pin 61 contacts with first ball 60, first star gear 69 and first one-way gear 42's axis of rotation fixed connection.

The second one-way gear 44 comprises a second one-way external gear 63, a second star wheel 64 is arranged on the inner side of the second one-way external gear 63, a gap is reserved between the second star wheel 64 and the inner wall of the second one-way external gear 63, a wedge-shaped groove is formed in the second star wheel 64, a second rolling ball 65 is arranged in the wedge-shaped groove, a third spring 66 located in the vertical edge direction of the wedge-shaped groove is arranged in the second star wheel 64, a second rolling ejector rod is connected to the side, close to the second rolling ball 65, of the third spring 66, the second ball ejector rod 67 is in contact with the second rolling ball 65, the second star wheel 64 is fixedly connected with the rotating shaft of the second one-way gear 44, the structures of the first one-way gear 42 and the second one-way gear 44 are completely the same, and the first one, the structure of the counterclockwise idle rotation has become a particularly mature technology in this regard, and will not be described in detail here.

The universal wheels and the directional wheels with brakes are fixed at the lower end of the box body 1, the universal wheels and the directional wheels are two groups, and the movement of the whole equipment can be conveniently completed through the universal wheels and the directional wheels.

When the heart compression device is used, a patient lies on the lying plate 2, the first spring 7 at the lower end has a buffering effect on the patient, secondary injury of the patient is avoided, the neck of the patient is lifted through swinging of the neck pillow 3, so that smooth air passage of the patient is ensured, the lying plate 2 is pushed to slide to a proper position leftwards, the position of the lying plate 2 is fixed by the clamping plate 13, then the horizontal position of the rectangular block 26 is adjusted, the compression head 37 is just positioned right above the heart of the patient, the whole process is divided into a coarse adjustment part and a fine adjustment part, the adjustment precision is fully met, the height of the heart compression device 5 is adjusted through vertical lifting of the support frame 4, after the height of the adjustment rod 50 is adjusted, the fourth rack 46 is continuously trampled by feet of an operator, so that the compression head 37 continuously compresses the heart of the patient, and the patient is resuscitated.

Compared with the prior art, the invention has the following advantages: 1) after the patient is transferred onto the lying plate 2, the lying plate 2 can generate a downward buffer, so that secondary damage to the patient can be well avoided; 2) through the movement of the lying plate 2 and the movement of the support frame 4, the pressing head 37 can be ensured to be positioned right above the heart of the patient, and the coarse adjustment and the fine adjustment are combined, so that the adjustment precision is ensured; 3) the neck pillow 3 can swing, so that the height of the neck of the patient can be raised, and the airway of the patient is ensured to be smooth; 4) the fourth rack 46 is treaded by feet, so that the pressing head 37 presses the heart of the patient in a periodic reciprocating manner, the physical strength of an operator is saved, and the direct observation of the operator is facilitated; 5) the pressing head 37 is driven to move by the downward stepping and the loosening of the foot in the stepping process, so that the time is greatly saved; 6) the pressing head 37 is formed greatly, so that the pressing strength is convenient to adjust; 7) the equipment has low maintenance cost, is formed by adopting a mechanical structure, and only needs to be coated with lubricating oil after long-term use.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The first-aid device for the cardiac surgery comprises a horizontally placed box body (1) with an opening at the upper end, and is characterized in that a lying plate (2) capable of horizontally sliding and vertically sliding is arranged in the box body (1), an arc-shaped neck pillow (3) is arranged above the left side of the lying plate (2), the left end of the neck pillow (3) is hinged and fixed with the lying plate (2) through a pin shaft, and the neck pillow (3) is in a structure swinging along the pin shaft; a support frame (4) which can slide horizontally and adjust the height up and down is arranged on the left side of the box body (1), and a heart pressing device (5) is arranged on the support frame (4);

the supporting frame (4) comprises a rotatable horizontal third threaded rod (25) fixed on the front side and the rear side of the box body (1), the third threaded rod (25) is in threaded connection with a horizontally sliding rectangular block (26), a vertically sliding supporting plate (27) is arranged above the rectangular block (26), a fourth threaded rod (28) is fixed at the upper end of the rectangular block (26), a fifth threaded rod (29) is fixed at the lower end of the supporting plate (27), the thread turning directions of the fourth threaded rod (28) and the fifth threaded rod (29) are opposite, a rotating rod (30) is arranged between the rectangular block (26) and the supporting plate (27), the lower end of the rotating rod (30) is in threaded connection with the fourth threaded rod (28), the upper end of the rotating rod (30) is in threaded connection with the fifth threaded rod (29), and the rotating rod (30) rotates to form a structure that the;

the heart pressing device comprises a box body (1), a bottom plate (11) is connected with the box body (1) in a sliding mode, vertical plates (12) are arranged at the front end and the rear end of the bottom plate (11), the upper ends of the vertical plates (12) are fixedly connected with a lying plate (2), the heart pressing device (5) comprises an operation box (31) fixed on a supporting plate (27), a control box (32) fixedly connected with the supporting plate (27) is arranged below the supporting plate (27), a vertical second rack (33) is fixed in the control box (32), two second gears (34) connected through the vertical plates (35) are meshed on the right side of the second rack (33), the second gears (34) are rotatably connected with the vertical plates (35), a third rack (36) capable of sliding vertically is meshed on the right side of the second gear (34), and the lower end of the third rack (36) penetrates through the control box (32) and is wrapped by a; a rotatable second disc (38) is arranged in the operation box (31), a second connecting rod (39) is hinged to the edge of the second disc (38), the second connecting rod (39) is hinged and fixed to the middle of the vertical plate (12), and the second disc (38) rotates to form a structure that the pressing head (37) vertically slides;

the lower end of the rectangular block (26) is fixedly connected with an L-shaped sliding box (40) which horizontally slides, a rotatable third gear (41) is arranged inside the rear end of the sliding box (40), a first unidirectional gear (42) which rotates in a single direction is meshed above the third gear (41), an idle gear (43) is meshed on the right side of the third gear (41), a second unidirectional gear (44) which is coaxial with the first unidirectional gear (42) is meshed on the left side of the idle gear (43), and the first unidirectional gear (42) and the second unidirectional gear (44) both rotate clockwise and idle counterclockwise; a coaxially fixed fourth gear (45) is arranged in front of the third gear (41), a fourth rack (46) which slides vertically is meshed on the right side of the fourth gear (45), the upper end of the fourth rack (46) penetrates through the sliding box (40) and is arranged above the sliding box (40), a pressure spring (47) is fixed below the fourth rack (46), and the lower end of the pressure spring (47) is fixedly connected with the sliding box (40); the front of the first one-way gear (42) is coaxially provided with a third disc (48), the third disc (48) is positioned on the outer side of the sliding box (40), the second disc (38) is coaxially and fixedly connected with a fourth disc (49), an adjusting rod (50) with adjustable length is arranged between the third disc (48) and the fourth disc (49), the lower end of the adjusting rod (50) is hinged and fixed to the edge of the third disc (48), the upper end of the adjusting rod (50) is hinged and fixed to the edge of the fourth disc (49), and the adjusting rod (50) is hinged and fixed to the third disc (48) and the fourth disc (49) to form a parallelogram structure.

2. A first-aid device for cardiac surgery as defined in claim 1, wherein the box body (1) is provided with a first horizontal T-shaped groove, a buffer plate (6) capable of sliding up and down is arranged in the first T-shaped groove, a first spring (7) is fixed at the lower end of the buffer plate (6), and the lower end of the first spring (7) is fixedly connected with the box body (1);

a horizontal slidable first T-shaped block (9) is arranged in the first T-shaped groove, a roller (10) capable of rolling is fixed at the lower end of the first T-shaped block (9), and the buffer plate (6) is located below the roller (10) and is in contact with the roller (10);

the upper end of the first T-shaped block (9) penetrates through the first T-shaped groove and is arranged at the upper end of the first T-shaped groove, and the upper end of the first T-shaped groove is fixedly connected with the bottom plate (11).

3. A first-aid device in cardiac surgery as defined in claim 2, characterized in that a horizontally slidable clamp plate (13) is provided on the outside of each vertical plate (12), a first threaded rod (14) is rotatably provided on the outside of the clamp plate (13), the first threaded rod (14) is in threaded connection with the box body (1), a horizontal blind hole is provided in the box body (1), a guide rod (15) is slidably provided in the blind hole, and the guide rod (15) penetrates through the blind hole and is fixedly connected with the clamp plate (13).

4. A first-aid device for cardiac surgery as defined in claim 1, wherein an arc-shaped connecting plate (16) is fixed at the lower end of the neck pillow (3), the connecting plate (16) is positioned inside the box body (1), and the left end of the connecting plate (16) is hinged and fixed with the box body (1) through a pin shaft;

the box body (1) is internally provided with a rotatable first disc (17), the edge of the first disc (17) is hinged with a first connecting rod (18), the first connecting rod (18) is hinged and fixed with the right end of the connecting plate (16), and the first disc (17) rotates to form a structure that the connecting plate (16) rotates around a pin shaft through the first connecting rod (18).

5. The cardiac surgery emergency device according to claim 4, wherein a turbine (19) is coaxially fixed on the first disk (17), a worm (20) is engaged below the turbine (19), a first gear (21) is coaxially arranged on the right side of the worm (20), a first rack (22) which slides transversely is engaged below the first gear (21), a sliding block (23) is fixed at the front end of the first rack (22), a second threaded rod (24) is rotatably arranged in the box body (1), the second threaded rod (24) is in threaded connection with the sliding block (23) to form a structure in which the second threaded rod (24) rotates to drive the sliding block (23) to slide transversely, a second T-shaped groove is arranged in the box body (1), a second T-shaped block is slidably arranged in the second T-shaped groove, and the second T-shaped block penetrates through the second T-shaped groove to be fixedly connected with the sliding block (23).

6. The cardiac surgery emergency device according to claim 1, wherein the adjusting rod (50) comprises a third connecting rod (51) with a lower end hinged and fixed with the third disc (48), a sixth threaded rod (52) is fixed at the upper end of the third connecting rod (51), a fourth connecting rod (53) with an upper end hinged and fixed with the fourth disc (49), a sliding rod (54) is vertically arranged at the lower end of the fourth connecting rod (53) in a sliding manner, a seventh threaded rod (55) is fixed at the lower end of the sliding rod (54), the sixth threaded rod (52) and the seventh threaded rod (55) have opposite screw thread directions, a poking rod (56) is arranged between the third connecting rod (51) and the fourth connecting rod (53), the upper end of the poking rod (56) is in threaded connection with the seventh threaded rod (55), and the lower end of the poking rod (56) is in threaded connection with the sixth threaded rod (52).

7. A first aid device according to claim 6, characterised in that the fourth link (53) is provided at its lower end with a rectangular blind slot, the sliding rod (54) is placed at its upper end in the blind slot and can slide in the blind slot, the fourth link (53) is provided with a through hole, the sliding rod (54) is provided with a circular hole corresponding to the through hole, and a locking pin (57) is inserted in the circular hole and the through hole.