CN113425512A

CN113425512A - Cardiovascular treatment conveying equipment

Info

Publication number: CN113425512A
Application number: CN202110506617.0A
Authority: CN
Inventors: 魏峰; 刘娟娟
Original assignee: First Affiliated Hospital of Xian Jiaotong University
Current assignee: First Affiliated Hospital of Xian Jiaotong University
Priority date: 2021-05-10
Filing date: 2021-05-10
Publication date: 2021-09-24

Abstract

The invention discloses a cardiovascular treatment delivery device, comprising a base plate, a universal wheel, an X support frame and a first aid box. The universal wheel is fixed with bolts at the bottom of the base plate, and a screw rod is installed through the middle thread of the base plate, and the base plate The top shaft of the X support frame is connected with an X support frame, and the top shaft of the X support frame is connected with a movable block, and the movable block is located in the movable groove, and the movable groove is opened at the bottom of the bed board, and the embedded shaft in the bed board is connected with a movable gear , and one side of the movable gear is provided with a baffle, and the outer side of the baffle is fixed with a first rack, the baffle is located in the receiving slot, the bottom of the bed board is bolted with a first aid box, and the end of the bed board is The outer side is provided with a storage slot. The cardiovascular treatment delivery equipment, while adjusting the height, facilitates the simultaneous retraction and retraction of the baffles on both sides, facilitates the transfer of patients, and can rapidly deploy and retract equipment and medicines for vital sign monitoring and emergency treatment.

Description

Cardiovascular treatment conveying equipment

Technical Field

The invention relates to the technical field of cardiovascular medicine, in particular to cardiovascular treatment conveying equipment.

Background

Cardiovascular is based on heart, regulates the cardiac output and the resistance of peripheral blood vessels with the participation of nerves and body fluid of the body, coordinates the distribution of blood flow among organs and tissues, and meets the requirement of the organs and tissues on blood flow. The cardiovascular disease is sudden, the development is fast, the sudden death rate is high, the main reason of sudden death is one of the causes, the rapid treatment is needed, and the adoption of the conveying equipment with cardiovascular rescue measures is very important for timely and safely conveying the patient to a ward or an operating room. The utility model provides a involve the stretcher shallow about convenient disease of cardiovascular internal medicine in (CN108175583A), including two preceding hydraulic stem and two back hydraulic stems, two the bottom outer wall of preceding hydraulic stem and two back hydraulic stems all has the universal wheel through the fix with screw.

According to the stretcher cart convenient for patients to get on and off in the cardiovascular department, the front hydraulic rod and the rear hydraulic rod are simultaneously lowered, the side baffle is turned over, the expansion plate is drawn out, the patients are lifted on the stretcher, the stretcher cart is driven by electrical equipment, on one hand, electric power is wasted, and meanwhile, the patients are transferred only through turning over the side baffle, so that the height adjustment and synchronous folding and unfolding of the baffle are inconvenient to realize, and the patient is still hard to move;

this stretcher shallow about convenient disease of cardiovascular internal medicine, the use of the first-aid kit cooperation treatment apparatus through setting up carries out urgent treatment to the patient, nevertheless inevitably needs vital sign guardianship and uses some special first aid instruments and medicines at the treatment in-process, and is inconvenient receive and releases and expand the use fast to first aid article, adopts other toolbox to carry first aid article, omits easily under the condition of being in disorder, influences treatment effect.

In order to solve the problems, innovative design is urgently needed on the basis of the original conveying equipment.

Disclosure of Invention

The invention aims to provide a cardiovascular treatment conveying device, which solves the problems that the conventional conveying device in the background art is inconvenient to realize height adjustment and synchronous retraction of a baffle, and is inconvenient to rapidly retract, unfold and use first-aid articles.

In order to achieve the purpose, the invention provides the following technical scheme: a cardiovascular treatment conveying device comprises a bottom plate, universal wheels, an X support frame and a first-aid kit, wherein the universal wheels are fixed at the bottom of the bottom plate through bolts, a screw rod is installed in the middle of the bottom plate in a penetrating mode through threads, the X support frame is connected with the top shaft of the bottom plate, a movable block is connected with the top shaft of the X support frame and is located in a movable groove, the movable groove is formed in the bottom of a bed plate, a movable gear is connected with an embedded shaft in the bed plate, a baffle is arranged on one side of the movable gear, a first rack is fixed on the outer side of the baffle, the baffle is located in a retraction groove, the retraction groove is formed in the edge of the top of the bed plate, the first-aid kit is fixed at the bottom of the bed plate through bolts, an edge groove is formed in the edge end of the bed plate, a first storage plate is arranged in the edge groove, a pull plate is fixed at the edge end of the first storage plate, a retraction groove is formed in the outer side of the end of the bed plate, and accomodate the embedded hub connection in groove and have the big fluted disc to the one end of big fluted disc is fixed with the second and deposits the board, the bottom of bottom plate is connected with the motor through electric putter, and the output of motor is connected with the screw rod, the tip of universal wheel is located the shock attenuation inslot, and the shock attenuation groove sets up the lower extreme at the bottom plate to the top of shock attenuation groove and the top of universal wheel all are fixed with the magnetic sheet, the end groove has been seted up to the limit end of bed board, and end inslot fastening connection has the expansion board, the infusion support is installed to the top edge of bed board.

Preferably, the number of the bottom plates is 2, and the thread directions of the threaded rods connected with the threads in the 2 bottom plates are opposite.

Preferably, one end of the movable gear is connected with a guide roller, a guide groove is formed in the guide roller, a guide rod is arranged in the guide groove, and the guide rod is fixed on the movable block.

Preferably, the guide rod is connected with the guide groove in a sliding mode, and the guide groove is distributed on the guide roller in a spiral mode.

Preferably, the first racks are distributed on the baffle at equal angles, the first racks are meshed with the movable gear, the baffle is designed to be of an arc-shaped structure, the baffle is connected with the retraction groove in a sliding mode, and the baffle is arranged symmetrically about the central axis of the bed plate in 2 numbers.

Preferably, the inboard welding of arm-tie has the dead lever, and the dead lever is located the fixed slot to the limit end at the bed board is seted up to the fixed slot, it has the adjustment tank to reserve on the inner wall of fixed slot, and has the locating lever through spring coupling in the adjustment tank to one side of locating lever is connected with the pull rod, the one end of locating lever is located the constant head tank, and the avris at the dead lever is seted up to the constant head tank.

Preferably, the locating lever passes through to constitute elastic construction between spring and the adjustment tank, and the one end of locating lever is right trapezoid structural design to mutual block between tip and the constant head tank of locating lever.

Preferably, one side of the big fluted disc is meshed with a small fluted disc, the small fluted disc is positioned on the side of the first storage plate, and the second rack is fixed on the side of the first storage plate.

Preferably, the second racks are distributed on two sides of the first storage plate at equal intervals, the second racks are meshed with the small toothed disc, and the diameter of the small toothed disc is equal to half of that of the large toothed disc.

Compared with the prior art, the invention has the beneficial effects that: the cardiovascular therapy delivery apparatus;

1. through the screw rods arranged in the two bottom plates, when the screw rods are rotated, the screw rods distributed in reverse threads drive the two bottom plates to move relatively, the height of the bed plate can be adjusted by matching the use of an X-shaped support frame and the sliding of the movable block in the movable groove, meanwhile, a guide rod at the top of the movable block rotates in a guide groove distributed in a spiral structure, and the guide roller can drive the movable gear to synchronously rotate, so that the movable gear is meshed and contacted with a first rack on the outer side of the arc-shaped structure baffle, the synchronous sliding of the baffle in the retraction groove is realized, and the patient can be transferred more conveniently through the height adjustment and the retraction of the baffle;

2. through the first storage plate arranged in the side groove, the second racks which are distributed at equal intervals outside the first storage plate are in meshing contact with the small fluted disc, under the conduction action of the small fluted disc, the large fluted disc is enabled to follow the movement of the first storage plate and synchronously rotate to drive the movement of the second storage plate, so that the first storage plate and the second storage plate are synchronously unfolded and folded, and further, the first-aid tool and the medicine can be conveniently and quickly taken and used, meanwhile, the fixed rod is arranged at the inner side of the pulling plate, the positioning groove at the outer side of the fixed rod is clamped with the end part of the positioning rod, through arranging the end part of the positioning rod to be of a right trapezoid structure, when the fixed rod is inserted into the fixed groove, the positioned inclined edge is stressed to slide into the adjusting groove, the positioning rod is finally clamped into the positioning groove by matching with the use of a spring, the position of the pulling plate is fixed, and further, the positions of the first storage plate and the second storage plate are fixed, so that the first storage plate and the second storage plate can not be led out due to vibration when the bed plate is pushed.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a schematic side sectional view of the present invention;

FIG. 3 is a schematic view of the extended structure of the channel of the present invention;

FIG. 4 is a schematic top sectional view of the first storage board according to the present invention;

FIG. 5 is a schematic sectional view of a first storage board according to the present invention;

FIG. 6 is an enlarged view of the structure at A in FIG. 4 according to the present invention.

In the figure: 1. a base plate; 2. a universal wheel; 3. a screw; 4. an X support frame; 5. a movable block; 6. a movable groove; 7. a bed board; 8. a movable gear; 9. a guide roller; 10. a guide groove; 11. a guide bar; 12. a retraction slot; 13. a baffle plate; 14. a first rack; 15. a first-aid kit; 16. a side groove; 17. a first storage plate; 18. pulling a plate; 19. fixing the rod; 20. fixing grooves; 21. an adjustment groove; 22. a spring; 23. positioning a rod; 24. positioning a groove; 25. a pull rod; 26. a big fluted disc; 27. a second storage plate; 28. a receiving groove; 29. a small fluted disc; 30. a second rack; 31. an electric push rod; 32. a motor; 33. a damping groove; 34. a magnetic sheet; 35. an end slot; 36. an expansion plate; 37. a transfusion stand.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a cardiovascular treatment conveying device comprises a bottom plate 1, universal wheels 2, a screw rod 3, an X support frame 4, a movable block 5, a movable groove 6, a bed plate 7, a movable gear 8, a guide roller 9, a guide groove 10, a guide rod 11, a retraction groove 12, a baffle 13, a first rack 14, a first-aid kit 15, a side groove 16, a first storage plate 17, a pull plate 18, a fixed rod 19, a fixed groove 20, an adjusting groove 21, a spring 22, a positioning rod 23, a positioning groove 24, a pull rod 25, a large gear 26, a second storage plate 27, a storage groove 28, a small gear disc 29, a second rack 30, an electric push rod 31, a motor 32, a damping groove 33, a magnetic sheet 34, an end groove 35, an expansion plate 36 and a transfusion frame 37, wherein the universal wheels 2 are fixed on the bottom of the bottom plate 1 through bolts, the screw rod 3 is installed on the middle part of the bottom plate 1 in a penetrating manner, the top shaft of the bottom plate 1 is connected with the X support frame 4, the movable block 5 is connected with the top shaft of the X support frame 4, the movable block 5 is positioned in the movable groove 6, the movable groove 6 is arranged at the bottom of the bed plate 7, the embedded shaft of the bed plate 7 is connected with a movable gear 8, one side of the movable gear 8 is provided with a baffle 13, the outer side of the baffle 13 is fixed with a first rack 14, the baffle 13 is positioned in a retraction groove 12, the retraction groove 12 is arranged at the edge of the top of the bed plate 7, the bottom of the bed plate 7 is fixed with a first-aid box 15 by bolts, the edge end of the bed plate 7 is provided with an edge groove 16, a first storage plate 17 is arranged in the edge groove 16, the edge end of the first storage plate 17 is fixed with a pull plate 18, the outer side of the end part of the bed plate 7 is provided with a storage groove 28, the embedded shaft of the storage groove 28 is connected with an big fluted disc 26, one end of the big fluted disc 26 is fixed with a second storage plate 27, the bottom of the bottom plate 1 is connected with a motor 32 by an electric push rod 31, and the output end of the motor 32 is connected with a screw rod 3, the tip of universal wheel 2 is located damping tank 33, and damping tank 33 sets up the lower extreme at bottom plate 1 to damping tank 33's top and universal wheel 2's top all are fixed with magnetic sheet 34, and end groove 35 has been seted up to the limit end of bed board 7, and fastening connection has expansion plate 36 in the end groove 35, and infusion support 37 is installed to the top edge of bed board 7.

The number of the bottom plates 1 is 2, the thread directions of the screw rods 3 in threaded connection with the 2 bottom plates 1 are opposite, the 2 bottom plates 1 can be driven to move relatively by rotating the screw rods 3, and the height of the bed plate 7 can be adjusted by matching the sliding of the movable block 5 at the top of the X support frame 4 in the movable groove 6;

one end of the movable gear 8 is connected with a guide roller 9, the guide roller 9 is provided with a guide groove 10, a guide rod 11 is arranged in the guide groove 10, the guide rod 11 is fixed on the movable block 5, the guide rod 11 is in sliding connection with the guide groove 10, the guide groove 10 is spirally distributed on the guide roller 9, when the movable block 5 slides in the movable groove 6, the guide rod 11 at the top of the movable block 5 slides in the guide groove 10, and the guide roller 9 can be driven to rotate by matching with the shape of the guide groove 10, so that the movable gear 8 is driven to rotate;

the first racks 14 are distributed on the baffle 13 at equal angles, the first racks 14 are meshed with the movable gear 8, the baffle 13 is designed to be of an arc-shaped structure, the baffle 13 is connected with the retraction slot 12 in a sliding mode, meanwhile, 2 baffles 13 are symmetrically arranged on the central axis of the bed plate 7, when the movable gear 8 rotates, the movable gear 8 is meshed with the first racks 14, the baffles 13 can be driven to slide in the retraction slot 12, and when the height of the bed plate 7 is adjusted, the baffles 13 are retracted and unfolded synchronously, so that a patient can be transferred and protected conveniently;

the inner side of the pulling plate 18 is welded with a fixing rod 19, the fixing rod 19 is positioned in the fixing groove 20, the fixing groove 20 is arranged at the edge end of the bed plate 7, the inner wall of the fixing groove 20 is reserved with an adjusting groove 21, the adjusting groove 21 is connected with a positioning rod 23 through a spring 22, one side of the positioning rod 23 is connected with a pull rod 25, one end of the positioning rod 23 is positioned in a positioning groove 24, the positioning groove 24 is arranged at the side of the fixing rod 19, the positioning rod 23 forms an elastic structure with the adjusting groove 21 through the spring 22, one end of the positioning rod 23 is designed to be in a right trapezoid structure, the end part of the positioning rod 23 is clamped with the positioning groove 24, when the first storage plate 17 is pushed into the edge groove 16, the fixing rod 19 on the pulling plate 18 is inserted into the fixing groove 20, the fixing rod 19 is contacted with the inclined end of the positioning rod 23, so that the positioning rod 23 slides into the adjusting groove 21, when the fixing rod 19 is continuously inserted, under the action of the spring 22, the positioning rod 23 is finally ejected and clamped into the positioning groove 24 to position the position of the fixing rod 19, so that the first storage plate 17 is prevented from falling off due to vibration when the bed plate 7 is pushed, and meanwhile, the positioning rod 23 can be pulled through the pull rod 25 to be separated from the positioning groove 24, so that the first storage plate 17 can be conveniently pulled out;

one side meshing of big fluted disc 26 has little fluted disc 29, and little fluted disc 29 is located the avris of first deposit board 17, and the avris of first deposit board 17 is fixed with second rack 30, second rack 30 equidistant distribution is in the both sides of first deposit board 17, and intermeshing between second rack 30 and the little fluted disc 29, and the diameter of little fluted disc 29 equals half of big fluted disc 26 diameter, when first deposit board 17 activity, the second rack 30 and the meshing contact of little fluted disc 29 of its outside, drive the rotation of little fluted disc 29, through the meshing of little fluted disc 29 and big fluted disc 26, make big fluted disc 26 drive second deposit board 27 and accomodate the inslot 28 internalization, realize the synchronous expansion and the collection of second deposit board 27 and first deposit board 17, conveniently use and deposit the rescue tool on first deposit board 17 and the second deposit board 27.

The working principle is as follows: when the cardiovascular treatment conveying equipment is used, as shown in fig. 1-3, firstly, when a patient needs to be transferred, the up-and-down movement of the electric push rod 31 and the synchronous rotation of the motor 32 are electrically started through a button arranged above the motor 32, so that the motor 32 drives the screw rods 3 in the bottom plates 1 to rotate, 2 bottom plates 1 can relatively move due to opposite thread directions on the screw rods 3 in 2 bottom plates 1, the movable block 5 at the top of the X support frame 4 slides in the movable groove 6 to adjust the height of the bed plate 7, meanwhile, when the movable block 5 slides in the movable groove 6, the guide rod 11 at the top of the movable block 5 slides in the guide groove 10 and matches with the shape of the guide groove 10, the guide roller 9 can be driven to rotate, the movable gear 8 is driven to rotate, and the baffle 13 can be driven to slide in the retraction groove 12 through the meshing of the movable gear 8 and the first rack 14, when the height of the bed plate 7 is adjusted, the baffle plate 13 is synchronously retracted and unfolded, so that a patient can be conveniently transferred and protected, the patient is conveyed through the universal wheel 2 at the bottom of the bottom plate 1, when bumping occurs in the conveying process, the top of the universal wheel 2 slides up and down in the damping groove 33, and the two magnetic sheets 34 with repulsive magnetism are matched to perform damping treatment to a certain degree;

next, as shown in fig. 1 and fig. 4-6, when a patient needs to be first-aid treated, the pull rod 25 is manually pulled, the positioning rod 23 slides in the adjusting groove 21, so that the positioning rod 23 is separated from the positioning groove 24, the position of the fixing rod 19 is released, then the first storage plate 17 is pulled out from the side groove 16 through the pull plate 18, and meanwhile, the second rack 30 on the outer side of the first storage plate 17 is in meshing contact with the small toothed disc 29 to drive the small toothed disc 29 to rotate, and the large toothed disc 26 drives the second storage plate 27 to move in the storage groove 28 through meshing of the small toothed disc 29 and the large toothed disc 26, so that the second storage plate 27 and the first storage plate 17 are synchronously unfolded, and a treatment tool on the first storage plate 17 and the second storage plate 27 is conveniently used; similarly, according to the above-mentioned reverse completion of operation, realize first board 17 and the synchronous receive and release of second board 27 of depositing, dead lever 19 on the arm-tie 18 inserts in fixed slot 20 simultaneously, dead lever 19 contacts with the slope end of locating lever 23, make locating lever 23 slide to the adjustment tank 21, when dead lever 19 continues to insert, cooperation spring 22's effect, locating lever 23 finally can pop out and block in the constant head tank 24, fix a position dead lever 19's position, avoid when promoting bed board 7, first board 17 of depositing is dropped by the vibration, at the higher user to the height, can pull out expansion plate 36 from end groove 35, and it is fixed through the fastener, be applicable to the crowd of different heights. When first-aid operation is carried out, emergency treatment can be carried out through first-aid articles placed in the first-aid kit 15, the first storage plate 17 and the second storage plate 27, and first-aid equipment of the first-aid kit 15 comprises a cardiac defibrillator, a temporary pacemaker, electrodes, an electronic laryngoscope, a tracheal intubation kit, a simple respirator and a portable oxygen respirator; the first storage plate 17 is stored with an electrode plate, a lead, an opener, a flashlight, a portable electric sputum aspirator, a disposable sputum aspirator and the like, the second storage plate 27 is a position for placing the portable monitor, the portable electric sputum aspirator and the disposable sputum aspirator are conveniently stored when not in use, meanwhile, some emergency medicines can be used, including atropine and epinephrine for raising heart rate, norepinephrine and dopamine for raising pressure, nitroglycerin and sodium nitroprusside for lowering pressure, amiodarone and lidocaine for resisting arrhythmia, lobelin and nicotmi for respiratory excitation, sodium bicarbonate for acid correction, aspirin, clopidogrel, low molecular heparin, urokinase and the like for resisting embolism, meanwhile, an infusion support 37 for emergency infusion is further conventionally arranged at the edge of the top of the bed plate 7, and sufficient medicines and equipment support are provided for the emergency infusion.

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 various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a cardiovascular treatment transports equipment, includes bottom plate (1), universal wheel (2), X support frame (4) and first-aid kit (15), its characterized in that: the bottom of the bottom plate (1) is fixed with universal wheels (2) through bolts, the middle threads of the bottom plate (1) are provided with screw rods (3) in a penetrating mode, the top shaft of the bottom plate (1) is connected with an X supporting frame (4), the top shaft of the X supporting frame (4) is connected with a movable block (5), the movable block (5) is located in a movable groove (6), the movable groove (6) is arranged at the bottom of the bed plate (7), an embedded shaft of the bed plate (7) is connected with a movable gear (8), one side of the movable gear (8) is provided with a baffle (13), the outer side of the baffle (13) is fixed with a first rack (14), the baffle (13) is located in a retractable groove (12), the retractable groove (12) is arranged at the top edge of the bed plate (7), the bottom of the bed plate (7) is fixed with an emergency box (15) through bolts, and the edge of the bed plate (7) is provided with an edge groove (16), and a first storage plate (17) is placed in the side groove (16), a pulling plate (18) is fixed at the side end of the first storage plate (17), a storage groove (28) is formed in the outer side of the end portion of the bed plate (7), a big fluted disc (26) is connected with the embedded shaft in the storage groove (28), a second storage plate (27) is fixed at one end of the big fluted disc (26), the bottom of the bottom plate (1) is connected with a motor (32) through an electric push rod (31), the output end of the motor (32) is connected with the screw (3), the end portion of the universal wheel (2) is located in a damping groove (33), the damping groove (33) is formed in the lower end of the bottom plate (1), a magnetic sheet (34) is fixed at the top of the damping groove (33) and the top of the universal wheel (2), an end groove (35) is formed in the side end of the bed plate (7), and a magnetic sheet unfolding plate (36) is connected with the fastening magnetic sheet in the end groove (35), an infusion support (37) is arranged at the edge of the top of the bed plate (7).

2. A cardiovascular therapy delivery apparatus according to claim 1, wherein: the number of the base plates (1) is 2, and the thread directions of the screw rods (3) which are connected with the inner threads of the base plates (1) are opposite.

3. A cardiovascular therapy delivery apparatus according to claim 1, wherein: one end of the movable gear (8) is connected with a guide roller (9), a guide groove (10) is formed in the guide roller (9), a guide rod (11) is arranged in the guide groove (10), and the guide rod (11) is fixed on the movable block (5).

4. A cardiovascular therapy delivery apparatus according to claim 3, wherein: the guide rod (11) is in sliding connection with the guide groove (10), and the guide groove (10) is distributed on the guide roller (9) in a spiral shape.

5. A cardiovascular therapy delivery apparatus according to claim 1, wherein: first rack (14) equiangular distribution is on baffle (13), and intermeshing between first rack (14) and loose gear (8) to baffle (13) are the arc structural design, and sliding connection between baffle (13) and receive and release groove (12), and baffle (13) are provided with 2 about the central axis symmetry of bed board (7) simultaneously.

6. A cardiovascular therapy delivery apparatus according to claim 1, wherein: the inboard welding of arm-tie (18) has dead lever (19), and dead lever (19) are located fixed slot (20) to the limit end in bed board (7) is seted up in fixed slot (20), it has adjustment tank (21) to reserve on the inner wall of fixed slot (20), and is connected with locating lever (23) through spring (22) in adjustment tank (21), and one side of locating lever (23) is connected with pull rod (25), the one end of locating lever (23) is located constant head tank (24), and constant head tank (24) are seted up in the avris of dead lever (19).

7. A cardiovascular therapy delivery apparatus according to claim 6, wherein: the positioning rod (23) and the adjusting groove (21) form an elastic structure through a spring (22), one end of the positioning rod (23) is designed to be of a right-angled trapezoid structure, and the end part of the positioning rod (23) is mutually clamped with the positioning groove (24).

8. A cardiovascular therapy delivery apparatus according to claim 1, wherein: one side meshing of big fluted disc (26) has little fluted disc (29), and little fluted disc (29) are located the avris of first storage plate (17) to the avris of first storage plate (17) is fixed with second rack (30).

9. A cardiovascular therapy delivery apparatus according to claim 8, wherein: the second racks (30) are distributed on two sides of the first storage plate (17) at equal intervals, the second racks (30) are meshed with the small toothed disc (29), and the diameter of the small toothed disc (29) is equal to half of that of the large toothed disc (26).