CN220608424U

CN220608424U - Medical chair convenient to intervene operation usefulness

Info

Publication number: CN220608424U
Application number: CN202321776244.XU
Authority: CN
Inventors: 马燕
Original assignee: Zhejiang University ZJU
Current assignee: Zhejiang University ZJU
Priority date: 2023-07-07
Filing date: 2023-07-07
Publication date: 2024-03-19
Anticipated expiration: 2033-07-07

Abstract

The utility model discloses a medical chair convenient for interventional operation, which comprises a supporting ring, supporting tubes and saddle seat cushions, wherein supporting feet are fixedly arranged at the lower end of the supporting ring and distributed in an annular array, a cover plate is fixedly connected with the upper end of the supporting ring through bolts, the supporting tubes are fixedly connected with the upper ends of the cover plate, fixing plates are fixedly connected with the top ends of the supporting tubes in a clamping mode, the saddle seat cushions are fixedly connected with the upper ends of the fixing plates through bolts, and a backrest mounting plate is fixedly connected to the right side of the saddle seat cushions. This medical chair convenient to intervene operation usefulness through setting up multiunit liftable universal wheel structure, can rise the universal wheel when carrying out the operation, and then fix a position this medical chair, prevents that the operation in-process from taking place the skew to only need to step on the location footboard through the foot and can accomplish, easy operation, the degree of difficulty is little, need not other people and assist, and cooperation saddle seatpad and backrest structure, make the doctor still can relax at intervention operation dress plumbous clothing back still lower limb, and improve use travelling comfort.

Description

Medical chair convenient to intervene operation usefulness

Technical Field

The utility model relates to the technical field of medical auxiliary instruments, in particular to a medical chair convenient for interventional operation.

Background

The interventional therapy is a minimally invasive therapy performed by utilizing modern high-tech means, namely, under the guidance of medical imaging equipment, special precise instruments such as a catheter, a guide wire and the like are introduced into a human body to diagnose and locally treat in vivo pathological conditions, radiation is generated in the interventional operation, a doctor has to wear lead clothing for repair operation, the weight of the lead clothing is about 10 kg, and the long-term lead clothing wear operation has occupational skeletal muscle injury, so that a medical chair convenient for the interventional operation is required.

An existing surgical chair such as CN218900080U, which comprises a first folding component, a second folding component and a supporting seat for providing a seat, wherein a third folding component for supporting the first folding component and the second folding component is arranged on the supporting seat; the existing operation chairs have some problems when in use;

1. the existing operation chair is convenient for doctors to move, universal wheels are usually arranged, the position of the operation chair cannot be fixed, the chair is easy to displace when interventional operation is performed, the performance of the interventional operation is affected, the flexibility of the doctors is affected if the idler wheels are eliminated, the position of the operation is required to be changed, and the position of the chair is required to be moved by other people, so that the operation efficiency is affected;

2. the existing operation chair can be adjusted in height, but is usually adjusted manually in the same structure as an office chair, so that the operation is inconvenient because of the assistance of other people for preventing pollution, and the heavy lead clothing is needed to be worn due to the intervention operation, and the lower limb of a doctor is in a tight state after sitting down by the existing flat seat cushion structure, so that the comfort is poor.

So we propose a medical chair for interventional surgery to solve the above mentioned problems.

Disclosure of Invention

The utility model aims to provide a medical chair convenient for interventional operation, which solves the problems that the existing operation chair provided by the background art cannot limit the rotation of rollers to position the operation chair and the operation difficulty is high due to inconvenient lifting adjustment.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a medical chair convenient for interventional operation comprises a supporting ring, a supporting tube and a saddle cushion:

the lower end of the supporting ring is fixedly provided with supporting feet which are distributed in an annular array, and the upper end of the supporting ring is fixedly provided with a cover plate through bolts;

the upper end of the cover plate is fixedly connected with a supporting pipe, the top end of the supporting pipe is connected with a fixing plate in a clamping manner, and a saddle pad is fixed at the upper end of the fixing plate through bolts;

the right side of the saddle pad is fixedly connected with a backrest mounting plate, and the upper end of the backrest mounting plate is fixedly connected with a back backrest;

the support ring is internally provided with a mounting frame, the lower end of the mounting frame is provided with a universal wheel, the left side of the front end of the support tube is penetrated with a one-way rod, and the front end of the one-way rod is fixedly connected with a positioning pedal;

the bearing at the rear end of the support tube is connected with a lifting pedal, and the front end of the lifting pedal penetrates through the support tube;

the inside pneumatic rod that is provided with of stay tube, and pneumatic rod upper end and fixed plate lower terminal surface fixed connection to pneumatic rod bottom is provided with the atmospheric pressure release button.

Preferably, the universal wheel is fixedly connected with the mounting frame through bolts, the universal wheel is distributed in an annular array, the inner wall of the supporting ring is provided with a limiting groove, the outer wall of the mounting frame is fixedly connected with a limiting block, and the limiting block is in sliding connection with the limiting groove.

By adopting the technical scheme, the moving convenience of the medical chair can be improved by arranging the plurality of groups of universal wheels, and meanwhile, the stability of the mounting frame during lifting can be improved by matching the limiting grooves with the limiting blocks.

Preferably, the inside reciprocating screw that is provided with of stay tube, and reciprocating screw is connected with the stay tube bearing, mounting bracket upper end middle part fixedly connected with sliding tube, and sliding tube upper end runs through to the stay tube inside to sliding tube top and reciprocating screw threaded connection.

By adopting the technical scheme, through the connection of the reciprocating screw and the sliding tube, the mounting frame and the plurality of groups of universal wheels can be driven to lift when the reciprocating screw rotates, and the heights of the universal wheels and the mounting frame can be controlled only by virtue of unidirectional rotation of the reciprocating screw.

Preferably, the front end of the unidirectional rod is penetrated by a first torsion spring, and two ends of the first torsion spring are fixedly connected with the supporting tube and the front end of the unidirectional rod respectively;

the rear end of the unidirectional rod is fixedly connected with a worm, the rear end of the worm is connected with the bearing on the inner wall of the support tube, the upper end of the reciprocating screw rod is fixedly connected with a worm wheel, and the worm wheel is meshed with the worm.

By adopting the technical scheme, the unidirectional rod and the worm are driven to rotate by stepping the positioning pedal, the worm drives the worm wheel and the reciprocating screw rod to rotate, the height of the universal wheel is controlled, the medical chair is positioned, the unidirectional rod and the positioning pedal are driven to reset after the positioning pedal is stepped downwards through the arrangement of the first torsion spring, and the unidirectional rod is arranged, so that the rear end of the unidirectional rod does not rotate when the positioning pedal resets.

Preferably, the front end of the lifting pedal penetrates through a second torsion spring, and two ends of the second torsion spring are fixedly connected with the inner wall of the supporting tube and the lifting pedal respectively;

the inside cam that is provided with of stay tube, and cam and lift footboard front end fixed connection to the cam contacts with the air pressure release button lower terminal surface.

By adopting the technical scheme, the lifting pedal can be driven to reset after being stepped on by the arrangement of the second torsion spring, and meanwhile, the lifting pedal drives the cam to rotate when rotating, and the air pressure release button is pressed upwards to further finish the height adjustment of the medical chair.

Preferably, a movable plate is arranged in the support tube and fixedly connected with the upper end of the air pressure rod, a guide rod is fixedly connected in the support tube, and the guide rod penetrates through the movable plate to form a sliding structure.

By adopting the technical scheme, the upper end of the pneumatic rod can be limited to rotate through the connection of the movable plate and the pneumatic rod, and the stability of the movable plate during lifting can be improved through the arrangement of the guide rod.

Compared with the prior art, the utility model has the beneficial effects that: the medical chair is convenient for interventional operation;

1. through setting up multiunit liftable universal wheel structure, can rise the universal wheel when carrying out the operation, and then fix a position this medical chair, prevent to take place the skew in the operation process to only need to step on the location footboard and accomplish, easy operation, the degree of difficulty is little, need not other people and assist, and cooperate saddle seatpad and back structure, make the doctor still can relax after intervention operation wears plumbous clothing, and improve the use travelling comfort still;

2. set up foot formula elevation structure, traditional elevation structure needs manual operation, need not other people only to need to assist when this elevation structure uses, only need foot to step on can only need control, and this medical chair is provided with limit structure, can restrict taking place to rotate between base and the saddle seatpad, can fix a position the angle of saddle seatpad after accomodating the universal wheel, is convenient for improve operation efficiency, prevents the rotatory going on that influences the operation of chair.

Drawings

FIG. 1 is a schematic diagram of a front view of the present utility model;

FIG. 2 is a schematic rear view of the present utility model;

FIG. 3 is a schematic view of the limiting groove and the limiting block according to the present utility model;

FIG. 4 is a schematic view of the structure of the positioning pedal and the unidirectional rod of the present utility model;

fig. 5 is a schematic view of a wire guide rod and a moving plate structure according to the present utility model.

In the figure: 1. a support ring; 2. supporting feet; 3. a cover plate; 4. a support tube; 5. a fixing plate; 6. saddle pad; 7. a backrest mounting plate; 8. a back rest; 9. a mounting frame; 10. a universal wheel; 11. a limit groove; 12. a limiting block; 13. a sliding tube; 14. positioning a pedal; 15. a unidirectional rod; 16. a first torsion spring; 17. a worm; 18. a reciprocating screw rod; 19. a worm wheel; 20. lifting the pedal; 21. a second torsion spring; 22. a pneumatic rod; 23. an air pressure release button; 24. a cam; 25. a movable plate; 26. a guide rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: the medical chair comprises a support ring 1, a support tube 4 and a saddle seat cushion 6, wherein support legs 2 are fixedly arranged at the lower end of the support ring 1, the support legs 2 are distributed in an annular array, and a cover plate 3 is fixed at the upper end of the support ring 1 through bolts; the upper end of the cover plate 3 is fixedly connected with a support pipe 4, the top end of the support pipe 4 is connected with a fixed plate 5 in a clamping way, and a saddle pad 6 is fixed at the upper end of the fixed plate 5 through bolts; the right side of the saddle pad 6 is fixedly connected with a backrest mounting plate 7, and the upper end of the backrest mounting plate 7 is fixedly connected with a back backrest 8; the saddle pad 6 is arranged to improve the comfort of the doctor in the interventional operation, the lower limbs can be relaxed relatively after the lead coat is worn, and the comfort of the use can be improved by matching with the design of the back rest 8.

The inside of the support ring 1 is provided with a mounting frame 9, the lower end of the mounting frame 9 is provided with a universal wheel 10, the left side of the front end of the support tube 4 is penetrated with a one-way rod 15, and the front end of the one-way rod 15 is fixedly connected with a positioning pedal 14; the universal wheels 10 are fixedly connected with the mounting frame 9 through bolts, the universal wheels 10 are distributed in an annular array, the inner wall of the supporting ring 1 is provided with limiting grooves 11, the outer wall of the mounting frame 9 is fixedly connected with limiting blocks 12, and the limiting blocks 12 are in sliding connection with the limiting grooves 11; a reciprocating screw rod 18 is arranged in the support tube 4, the reciprocating screw rod 18 is in bearing connection with the support tube 4, a sliding tube 13 is fixedly connected to the middle of the upper end of the mounting frame 9, the upper end of the sliding tube 13 penetrates into the support tube 4, and the top end of the sliding tube 13 is in threaded connection with the reciprocating screw rod 18; the front end of the unidirectional rod 15 is penetrated by a first torsion spring 16, and two ends of the first torsion spring 16 are fixedly connected with the supporting tube 4 and the front end of the unidirectional rod 15 respectively; the rear end fixedly connected with worm 17 of one-way pole 15, and worm 17 rear end and stay tube 4 inner wall bearing connection, reciprocal lead screw 18 upper end fixedly connected with worm wheel 19, and worm wheel 19 and worm 17 meshing connection, through the setting of multiunit universal wheel 10, shift the position when being convenient for the doctor to use, and be provided with location structure, step on location footboard 14 through the downward foot, drive worm 17 through one-way pole 15 and rotate, worm 17 rotates and drives worm wheel 19, reciprocal lead screw 18 synchronous rotation, reciprocal lead screw 18 drives slide tube 13, mounting bracket 9 and multiunit universal wheel 10 upward activity, and then make supporting legs 2 and ground contact accomplish the support location to this medical chair, and when stepping on location footboard 14 again, reciprocal lead screw 18 drives mounting bracket 9 and universal wheel 10 downward activity, be convenient for the removal with ground contact again, and it is convenient to use, and because of the setting of one-way pole 15, worm 17 does not take place to rotate when first torsion spring 16 drives location footboard 14 upward reset.

The bearing at the rear end of the support tube 4 is connected with a lifting pedal 20, and the front end of the lifting pedal 20 penetrates into the support tube 4; the inside of the supporting tube 4 is provided with a pneumatic rod 22, the upper end of the pneumatic rod 22 is fixedly connected with the lower end surface of the fixed plate 5, and the bottom end of the pneumatic rod 22 is provided with a pneumatic release button 23; the front end of the lifting pedal 20 is penetrated by a second torsion spring 21, two ends of the second torsion spring 21 are fixedly connected with the inner wall of the supporting tube 4 and the lifting pedal 20 respectively, a cam 24 is arranged in the supporting tube 4, the cam 24 is fixedly connected with the front end of the lifting pedal 20, and the cam 24 is contacted with the lower end face of the air pressure release button 23; a movable plate 25 is arranged in the support tube 4, the movable plate 25 is fixedly connected with the upper end of the air pressure rod 22, a guide rod 26 is fixedly connected in the support tube 4, and the guide rod 26 penetrates through the movable plate 25 to form a sliding structure; the utility model discloses a medical chair, including saddle seat cushion 6, lifter 20, cam 24, air pressure bar 22, guide bar 26, movable plate 25, guide bar 26, support tube 4, lifting pedal 20, cam 24, air pressure release button 23, lifting structure's setting up can be convenient for the doctor adjust the overall height of this medical chair, through the pedal 20 for lifting pedal 20 drives the cam 24 and rotates, and presses simultaneously to air pressure release button 23, if saddle seat cushion 6 top does not exert weight, air pressure bar 22 drives saddle seat cushion 6 and moves upwards, if exert weight then accomplish to descend, and because of the cooperation of guide bar 26 and movable plate 25, can restrict saddle seat cushion 6 and take place rotatoryly between the support tube 4, can improve higher stability in the intervention operation.

Working principle: when the medical chair convenient for intervention operation is used, the comfort of intervention operation of doctors can be improved through setting the saddle seat cushion 6, the lower limbs can be relatively relaxed after wearing the lead clothing and the design of the backrest 8 can be improved, the comfort of use can be improved through stepping down the positioning pedal 14, the worm 17 is driven to rotate through the one-way rod 15, the worm 17 rotates to drive the worm wheel 19 and the reciprocating screw 18 to synchronously rotate, the reciprocating screw 18 drives the sliding tube 13, the mounting frame 9 and the plurality of groups of universal wheels 10 to move upwards, further, the supporting feet 2 are enabled to be in contact with the ground to complete the supporting positioning of the medical chair, and when the positioning pedal 14 is stepped down again, the reciprocating screw 18 drives the mounting frame 9 and the universal wheels 10 to move downwards, the movement is facilitated to be in contact with the ground again, the medical chair is convenient to use, the doctor can conveniently adjust the whole height of the medical chair through setting of the lifting structure, the lifting pedal 20 is enabled to drive the cam 24 to rotate through stepping down, and simultaneously the air pressure release button 23 is pressed, and therefore the height adjustment of the medical chair can be completed.

To complete a series of work, and what is not described in detail in this specification is prior art that is well known to those skilled in the art.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. Medical chair convenient to intervene operation usefulness, including holding ring (1), stay tube (4) and saddle seatpad (6), its characterized in that:

the lower end of the supporting ring (1) is fixedly provided with supporting feet (2), the supporting feet (2) are distributed in an annular array, and a cover plate (3) is fixed at the upper end of the supporting ring (1) through bolts;

the upper end of the cover plate (3) is fixedly connected with a supporting pipe (4), the top end of the supporting pipe (4) is connected with a fixing plate (5) in a clamping way, and a saddle seat cushion (6) is fixed at the upper end of the fixing plate (5) through bolts;

the right side of the saddle pad (6) is fixedly connected with a backrest mounting plate (7), and the upper end of the backrest mounting plate (7) is fixedly connected with a back backrest (8);

the support device is characterized in that a mounting frame (9) is arranged inside the support ring (1), a universal wheel (10) is arranged at the lower end of the mounting frame (9), a one-way rod (15) penetrates through the left side of the front end of the support tube (4), and a positioning pedal (14) is connected to the front end of the one-way rod (15);

the rear end bearing of the support tube (4) is connected with a lifting pedal (20), and the front end of the lifting pedal (20) penetrates into the support tube (4);

the inside pressure bar (22) that is provided with of stay tube (4), and terminal surface fixed connection under pressure bar (22) upper end and fixed plate (5) to pressure bar (22) bottom is provided with atmospheric pressure release button (23).

2. A medical chair for facilitating interventional procedures as defined in claim 1, wherein: the universal wheel (10) is fixedly connected with the mounting frame (9) through bolts, the universal wheels (10) are distributed in an annular array, the inner wall of the supporting ring (1) is provided with a limiting groove (11), the outer wall of the mounting frame (9) is fixedly connected with a limiting block (12), and the limiting block (12) is in sliding connection with the limiting groove (11).

3. A medical chair for facilitating interventional procedures as defined in claim 1, wherein: the novel support is characterized in that a reciprocating screw rod (18) is arranged inside the support tube (4), the reciprocating screw rod (18) is connected with the support tube (4) through a bearing, a sliding tube (13) is fixedly connected to the middle of the upper end of the mounting frame (9), the upper end of the sliding tube (13) penetrates through the support tube (4), and the top end of the sliding tube (13) is in threaded connection with the reciprocating screw rod (18).

4. A medical chair for facilitating interventional procedures as defined in claim 3, wherein: the front end of the unidirectional rod (15) is penetrated by a first torsion spring (16), and two ends of the first torsion spring (16) are fixedly connected with the supporting tube (4) and the front end of the unidirectional rod (15) respectively;

the rear end of the unidirectional rod (15) is fixedly connected with a worm (17), the rear end of the worm (17) is connected with the inner wall bearing of the supporting tube (4), the upper end of the reciprocating screw rod (18) is fixedly connected with a worm wheel (19), and the worm wheel (19) is meshed with the worm (17).

5. A medical chair for facilitating interventional procedures as defined in claim 1, wherein: the front end of the lifting pedal (20) is penetrated by a second torsion spring (21), and two ends of the second torsion spring (21) are fixedly connected with the inner wall of the supporting tube (4) and the lifting pedal (20) respectively;

a cam (24) is arranged in the supporting tube (4), the cam (24) is fixedly connected with the front end of the lifting pedal (20), and the cam (24) is in contact with the lower end face of the air pressure release button (23).

6. A medical chair for facilitating interventional procedures as defined in claim 1, wherein: the inside fly leaf (25) that is provided with of stay tube (4), and fly leaf (25) and pneumatic rod (22) upper end fixed connection, stay tube (4) inside fixedly connected with guide bar (26), and guide bar (26) run through fly leaf (25) and constitute sliding construction.