WO2005120422A1

WO2005120422A1 - Trolley style operation cart

Info

Publication number: WO2005120422A1
Application number: PCT/CN2005/000778
Authority: WO
Inventors: Wubin Hao
Original assignee: Wubin Hao
Priority date: 2004-06-07
Filing date: 2005-06-03
Publication date: 2005-12-22
Also published as: CN2730354Y; WO2005120422A8

Abstract

A trolley style operation cart, which is belonged to the art of medical instruments, and by which a patient can be carried back to a ward bed from an operating take smoothly, includes: a set of lifting mechanism disposed respectively at the two ends of the cart, a set of translating mechanism consisted of upper and lower cantilevers and disposed respectively at the upper ends of the lifting mechanism, hanging plates which disposed respectively at one end of each lower cantilever, two rollers disposed under the two hanging plates, grooves on the rollers, compressing rods mounted in the grooves, and hooks disposed on the rollers. The bedsheet on the operating table can be winded up on the rollers, thereby a mechanism similar to a stretcher is formed, then the patient is carried away. After the patient arrives at the ward bed, the rollers are loosened, and the patient and the bedsheet are leaved on the ward bed, therefore the patient after the operation is carried fr>m the operating table to the ward bed smoothly without body movement.

Description

TECHNICAL FIELD

The invention relates to a hoisting type surgical truck for a hospital, and belongs to the technical field of medical equipment.

Background technique

In the process of moving patients from the operating table to the ward after surgery, not only the labor intensity is high, but also the patient will be injured by accident. Some existing vans require medical personnel to move the patient to the car by humans, and then move the patient from the car. The patient is moved to the bed. Although some vans have a certain level of translational energy, human assistance is still needed to transfer the patient from the operating table to the vehicle, and then use the human assistance to send the patient to the bed. During the process, the patient still There is unstable movement and there is still the possibility of damaging the patient.

Summary of the invention

In order to reduce the injury of wounds and organs caused by the movement of the patient's body during the transportation process after the operation, and to reduce the labor intensity of the medical staff, the present invention provides a hoisting type surgical transporter. In this case, the patient can be smoothly transported from the operating table to the bed in the ward, avoiding the possibility of injury caused by human movement, and reducing the labor intensity of the medical staff.

The technical solution adopted by the present invention to solve its technical problem is that: a set of rack and pinion lifting mechanisms that can be linked with each other through a transmission rod and driven by a worm gear reducer can be used to lift and lower the hanger, The racks are cylindrical racks. At the upper end of the cylindrical racks at both ends, the cylindrical racks are used as the shaft. Each sleeve has a sleeve, and the outside of the sleeve has a sleeve. Cantilever sleeves, one cantilever translation mechanism is installed outside the two cantilever sleeves, each cantilever translation mechanism has an upper cantilever and a lower cantilever, one end of the upper cantilever is mounted on the cantilever sleeve, and the rack is opened by a cylinder The shaft can move horizontally to the left and right, and the other end has a cantilever shaft. The cantilever shaft is installed with the bearing end of the upper cantilever. The lower end of the cantilever shaft is connected to the lower cantilever. The lower cantilever can rotate horizontally about the cantilever shaft. A pressure ball bearing is installed at the lower end of the cantilever sleeve, and a fixed sleeve is located under the pressure ball bearing. The fixed sleeve is fixed with the cylindrical rack, and a fixed non-rotating sprocket is installed on the fixed sleeve. A sprocket is fixed on the cantilever shaft between the two sprocket wheels by a chain to form a linkage relationship. A translation shaft is fixed at the upper end of the cantilever sleeve, and is connected to the output hole of the worm gear reducer through the translation shaft. There is also a set of identical mechanisms at the other end of the truck, except that the worm gear reducer at the upper end of the cantilever sleeve and the worm gear at the front The rotation direction of the reducer is opposite. When turning the worm gear reducer handle, the output holes of the two worm gear reducers rotate simultaneously in opposite directions through the transmission rod. In this way, the respective upper cantilever arms of the belt are horizontally rotated in the same direction by the translation shaft. The chain is connected with the sprocket on the fixed sleeve, so when the upper cantilever is driven by the worm gear reducer and rotates with the cylindrical rack as the axis, the lower cantilever shaft rotates in the opposite direction under the pull of the chain, thereby driving the lower cantilever and the The upper cantilever is extended in the same direction, and the other end of the lower cantilever is connected to the hanger beam of the hanger through a connecting shaft. In this way, the extension of the upper and lower cantilevers in the same direction drives the hanger to complete the horizontal movement. A front suspension plate and a rear suspension plate are fixed, and there are two rolls under the front and rear suspension plates. The two ends of the two rolls are connected to the front and rear suspension plates with shafts, and the front shafts of the two rolls are respectively fixed. A ratchet and a sprocket, two double sprocket wheels and a tensioner are connected by a shaft on the front hanging plate, a worm gear reducer is fixed on the hanging beam above the front hanging plate, and its output shaft is fixed One Active chain The wheels are connected to the outer wheels of the two double sprocket wheels through a chain. The double sprocket wheel 1 is outside the chain and the double sprocket wheel 2 is inside the chain. In this way, when rotating, the two double sprockets can rotate in opposite directions, and the inner wheels of the two double sprockets are respectively linked with the sprockets on the left and right roller shafts through a chain, so that the decelerating worm wheel is decelerated. When the handle is turned, the left and right rolls can rotate in the same direction at the same time. On the two rolls, there is a through groove in the axial direction, and a pressing rod can be respectively inserted in the through groove. After the hanger is moved to the operating table, when the sheets on the operating table are rolled onto the rolls from both sides, the sheets are pressed into the roll through grooves with the pressing rod, and then the worm gear reducer is shaken The two rolls are turned to the side at the same time, and the sheets are wound on the rolls. Because the worm reducer has a self-locking function, coupled with the reverse self-locking function of the ratchet, the rolls maintain the tightness of the sheets. A stretcher mechanism similar to a stretcher was formed at that time. The patient got on the stretcher without any movement. Then the patient was lifted and translated to the surgical cart. The patient was sent to the ward and the hanger was moved to the bed. Move the roller of the worm gear reducer in the direction to loosen the bed sheet and remove the pressing rod, and the patient and the bed sheet stay on the bed together. Then lift and pan to retract the hanger to complete the work of moving the patient. There are also some hooks on the two rolls. When using a special surgical bed sheet with a strap, the operation will be easier. At this time, the hanger is moved to the operating table and the roll is pressed on the bed sheet. When the two rolls are rotated inward at the same time, the hooks on the rolls catch the straps on the sheets to wind the sheets tightly, eliminating the need to use a pressing rod for the operation process. However, you can only use the compression lever when using ordinary sheets.

The beneficial effect of the invention is that the patient after the operation can be smoothly transferred from the operating table to the hospital bed without the need for body movement, which reduces the injuries that may be caused by moving the patient and reduces the labor intensity of the medical staff. BRIEF DESCRIPTION OF THE DRAWINGS

Fig. 1 is a plan view of the present invention.

Fig. 2 is a longitudinal sectional structural view of the present invention.

Fig. 3 is a transverse sectional structural view of the present invention.

Reference Signs

Left Roller, 2, Left Tightening Rod, 3, 70 Hook, 4, Left Roller Sprocket, 5, Left Chain, 6, Right Chain, 7, Right Roller Sprocket, 8, 71 Pawl, 9, 72 ratchets, 10, left roll front axle, 11, right roll front axle, 12, front hanging plate, 13, rear hanging plate, 14, 73 headboard, 15, 16, translational worm reducer, 17, transmission Lever 1, 18, pan rocker, 19, lift rocker, 20, front upper cantilever, 21, rear upper cantilever, 22, front lower cantilever, 23, rear lower cantilever, 24, hanging beam, 25, left tight lever , 26, right roll, 27, 60 cantilever sleeve, 28, 59 shaft sleeve, 29, 64 pressure ball bearing, 30, 66 large sprocket, 31, 65 fixed sleeve, 32, 61 small sprocket, 33, 69 chain , 34, Roller worm reducer, 35, Tensioner, 36, Double sprocket 1, 37, Double sprocket 2, 38, Tightening handle, 39, 43, Cylindrical rack, 40, 44 , Rack casing, 41, 45, gear, 42, 46, lifting worm reducer, 47, car surface, 48, transmission rod 2, 49, underframe, 50, 51, 53, wheels, 52, tooth Wheel box, 54, driving sprocket, 55, 56, translation axis, 57, 58, cantilever shaft, 62, 63, connecting shaft, 67, 68, fixed plate, 74, rear left roller shaft, 75, right roller Rear axle.

detailed description

The present invention will be further described below with reference to the drawings and examples.

In the example shown in FIG. 1, the dotted line is the upper cantilever 2021, and the rotation along the cylindrical gears 39, 43 drives the lower cantilever 2223 to protrude to the outside, thereby driving the suspension beam 24 and the entire suspension. Illustration of horizontal movement of the rack. On the lower ends of the front suspension plate 12 and the rear suspension plate 13, two left and right rollers 1 and 26 are respectively mounted with ratchet wheels 9 and 72 at the front ends of the two roller shafts.

In the example shown in FIG. 2, there is a worm reducer 42 and 46 at each of the front and rear ends, which are connected by a transmission rod 48. The output shafts of the worm reducers 42 and 46 are connected with gears 41 and 45 respectively. 45 drive the cylindrical racks 39 and 43 respectively. The upper ends of the cylindrical racks 39 and 43 are provided with sleeves 28 and 59, and cantilever sleeves 27 and 60 are sleeved on the outside of the sleeves 28 and 59. The front upper cantilever 20 and the rear upper cantilever 21 are respectively mounted at the front ends of the front and rear upper cantilevers 20 and 21. Bearings and cantilever shafts 57 and 58 are respectively fixed at the lower ends of the cantilever shafts 57 and 58. The front lower cantilever 22 and the rear lower cantilever are fixed. 23 Small chain wheels 32 and 61 are fixed to the cantilever shafts 57 and 58. Below the cantilever sleeve 2760, there is a pressure ball bearing 29, 64, and under the pressure ball bearing 29, 64, there is a fixing sleeve 31, 65. The fixing sleeve 31, 65 is fixed to the cylindrical rack 39, 43 by screws. . Large sprocket wheels 30 and 66 are respectively fixed to the fixing sleeves 31 and 65, and translation shafts 55 and 56 are fixed to the upper ends of the cantilever sleeves 27 and 60. The upper ends of the translation shafts 5556 are inserted into the output holes of the translation worm gear reducers 15, 16. A transmission rod 117 is connected between the two worm gear reducers. The translational worm gear reducers 15, 16 are connected to the fixing sleeves 31, 65 by fixing plates 67, 68, respectively, and are connected by chains 33, 69 between the large chain wheels 30, 66 and the small chain wheels 32, 61, respectively. One end of the front lower cantilever 22 and the rear lower cantilever 23 are connected to the hanging beam 24 through connecting shafts 62 and 63, respectively. The front hanging plate 12 and the rear hanging plate 13 are fixed to the two ends of the hanging beam 24, respectively. A double sprocket 136 and a double sprocket 237 are installed on the upper shaft, a tensioner 35 is installed, and a roll worm reducer 34 is installed on a suspension beam 24 near the 12-end of the front suspension plate. The roll worm reducer outputs The shaft is equipped with a driving sprocket 54, a left roll 1 and a right roll 26 through the left roll front shaft 10, The left roll rear axle 74, the right roll front axle 11, and the right roll rear axle 75 are installed under the front hanging plate 12 and the rear hanging plate 13. Rack sleeves 40, 44 are mounted on the outside of the cylindrical racks 39, 48. The rack sleeves 40, 44 are connected to the car surface 47, the bed frame 49, etc. 14, 73. Wheels 50 and 51 are fixed to the base frame 49.

As shown in FIG. 3, two double sprocket wheels 36, 37 in the middle of the front suspension plate 12 are connected to the driving sprocket 54 on the worm reducer 34 through a chain. It is connected to the sprocket 4 on the left roll 1, and the inner sprocket of the double sprocket 37 is connected to the right roll sprocket 7. There are through grooves on the left and right rolls 1 and 26, and the left and right pressure levers 25 and 25, respectively, are installed in the grooves, and some hooks 3 and 70 are installed on the left and right rolls 1 and 26, respectively.

Claims

Rights request

1. A hoisting type surgical truck, which has a chassis, a face, and a wheel mechanism. There are a set of lifting mechanisms composed of a worm reducer, a gear and a cylindrical rack at each end of the car. The characteristics are: A cantilever sleeve is installed on the upper end of the cylindrical rack, a translation shaft is fixed on the upper end of the cantilever sleeve, a worm gear reducer is connected to the upper end of the two translation shafts, and a pressure ball bearing and a pressure ball bearing are provided on the lower end of the cantilever sleeve. There is a fixed sleeve connected to the cylindrical tooth column below, a large sprocket is installed on each fixed sleeve, an upper cantilever is installed on each of the two cantilever sleeves, and a cantilever is installed on the other end of the two upper cantilevers A lower cantilever is installed at the lower end of the cantilever shaft, a small sprocket is fixed on each of the two cantilever shafts, and the large sprocket on the fixed sleeve is connected by a chain, respectively, and the other ends of the two lower cantilever are each A connecting shaft is connected to the hanging beam, a front hanging plate and a rear hanging plate are respectively fixed at two ends of the hanging beam, and a worm gear reducer with an active sprocket is fixed on the hanging beam near one end of the front hanging plate, in front A left roll and a right roll are connected by a roll shaft under the rear hanging plate, and there are through grooves on the two rolls. Each of the grooves owes a pressing rod, which is installed inside the two rolls. Some hooks are equipped with a sprocket and some ratchets on the left and right roll front axles at one end of the front suspension plate, and two double sprocket wheels and a tensioner and two double sprocket wheels are installed in the middle of the front suspension plate. The outer wheels of the two are connected to the driving wheels on the worm gear reducer through a chain, and the inner wheels of the two double sprocket wheels are connected to the left and right roller sprocket wheels by a chain, respectively.

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