CN210750943U

CN210750943U - Lower limb fixing device for radiotherapy

Info

Publication number: CN210750943U
Application number: CN201921341391.8U
Authority: CN
Inventors: 杨景惠; 缪玮; 柴婷
Original assignee: Second Affiliated Hospital of Zhengzhou Unviersity
Current assignee: Second Affiliated Hospital of Zhengzhou Unviersity
Priority date: 2019-08-16
Filing date: 2019-08-16
Publication date: 2020-06-16
Anticipated expiration: 2029-08-16

Abstract

Lower limbs fixing device for radiotherapy has solved the patient and has lain the position for lying during present radiotherapy, and the not good problem of radiotherapy effect. The chair comprises a chair seat, wherein the left end of the chair seat is hinged with a chair back, and the right end of the chair seat is hinged with a pedal; a first sliding block which horizontally slides is arranged below the chair seat, a first connecting rod is hinged to the outer side of the first sliding block, and the lower end of the first connecting rod is hinged and fixed with the middle part of the pedal; the seat support below is equipped with horizontal slip's second slider, and the second slider outside articulates there is the second connecting rod, and second connecting rod upper end is articulated fixed with back of the chair middle part, the utility model discloses novel structure thinks about ingeniously, and easy operation is convenient, can carry out the adjustment of multiple position, conveniently carries out the radiotherapy to the patient, and can accomplish the fixed to patient's low limbs fast.

Description

Lower limb fixing device for radiotherapy

Technical Field

The utility model belongs to the technical field of the medical instrument technique and specifically relates to a low limbs fixing device for radiotherapy is related to.

Background

For malignant tumors, the most common treatment method is radiotherapy, which is a method of local treatment of tumors by using radiation, and when the radiotherapy is performed on a patient, the lower limbs of the patient need to be fixed, and in addition, when the radiotherapy is performed on the patient, the patient generally lies on a bed board, which is not necessarily suitable for all radiotherapy, and sometimes the radiotherapy patient needs to change the posture, so as to achieve better radiotherapy effect.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a low limbs fixing device for radiotherapy, the effectual patient is the flat position of lying when having solved present radiotherapy, the not good problem of radiotherapy effect.

In order to realize the purpose, the utility model comprises a chair seat, wherein the left end of the chair seat is hinged with a chair back, and the right end of the chair seat is hinged with a pedal;

a first sliding block which horizontally slides is arranged below the chair seat, a first connecting rod is hinged to the outer side of the first sliding block, and the lower end of the first connecting rod is hinged and fixed with the middle part of the pedal;

the seat support below is equipped with horizontal gliding second slider, and the second slider outside articulates there is the second connecting rod, and second connecting rod upper end is articulated fixed with back of the chair middle part.

Preferably, the seat support below is fixed with rotatable first threaded rod that is equipped with, first threaded rod and first slider threaded connection, and first threaded rod rotates and constitutes first slider horizontal slip's structure, and the first threaded rod outside is equipped with first guide bar, and first guide bar is fixed in the seat support below, and first guide bar slidable runs through first slider.

Preferably, the seat support below is fixed with the rotatable second threaded rod that is equipped with, and the second threaded rod is located first threaded rod left, second threaded rod and second slider threaded connection, and the second threaded rod changes and constitutes second slider horizontal slip's structure, and the second threaded rod outside is equipped with the second guide bar, and the second guide bar is fixed in the seat support below, and second guide bar slidable runs through the second slider.

Preferably, a first bevel gear is fixed at the left end of the first threaded rod, a second bevel gear is fixed at the right end of the second threaded rod, a third bevel gear is meshed at the left side of the first bevel gear, and the second bevel gear is meshed with the third bevel gear.

Preferably, the first threaded rod and the second threaded rod have opposite thread directions.

Preferably, third bevel gear fixedly connected with axis of rotation, the rotatable fixing of axis of rotation is in the seat support below, and the axle head and the seat support terminal surface parallel and level of axis of rotation, the axle head of axis of rotation is equipped with prismatic hole.

Preferably, a pillow is fixed above the left end of the chair back, and heat dissipation holes are formed in the pillow.

Preferably, the pedal includes the straight board articulated with the seat support, and the tip fixedly connected with vertical riser of straight board is equipped with the foot on the riser and places the hole.

The utility model discloses novel structure, it is ingenious to think about, and easy operation is convenient, can carry out the adjustment of multiple position, conveniently carries out the radiotherapy to the patient, and can accomplish the fixed to patient's low limbs fast.

Drawings

The accompanying drawings 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 invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the first shaft side structure of the present invention.

Fig. 3 is a schematic diagram of a second shaft side structure of the present invention.

Fig. 4 is a schematic view of a third axial side structure of the present invention.

Fig. 5 is a schematic diagram of a fourth shaft side structure of the present invention.

Detailed Description

The following describes the present invention in further detail with reference to fig. 1-5.

As shown in fig. 1-5, the utility model comprises a chair seat 1, wherein the left end of the chair seat 1 is hinged with a chair back 2, and the right end of the chair seat 1 is hinged with a pedal 3;

a first sliding block 4 which horizontally slides is arranged below the chair seat 1, a first connecting rod 5 is hinged to the outer side of the first sliding block 4, and the lower end of the first connecting rod 5 is hinged and fixed with the middle part of the pedal 3;

a second sliding block 6 which slides horizontally is arranged below the chair seat 1, a second connecting rod 7 is hinged to the outer side of the second sliding block 6, and the upper end of the second connecting rod 7 is hinged and fixed to the middle of the chair back 2.

The utility model discloses in, four fixed supporting legs of seat support 1 lower extreme, be connected with the stiffener between four supporting legs, the back of the chair 2 is with carrying out wobbling structure as the axis with 1 articulated departments of seat support, pedal 3 is with carrying out wobbling structure as the axis with 1 articulated departments of seat support, in the time of radiotherapy, the patient sits on 1 of seat support, the back leans on 2 of the chair, pedal 3 is being pedaled to the foot, according to the actual condition, adjust the contained angle between 2 of the back of the chair and the seat support 1, the contained angle between foot and the seat support 1 is pedaled in the regulation, pedal 3 is two for quantity, correspond two people's legs, back of the chair 2 and pedal 3 are relative regulation simultaneously, and both increase simultaneously or reduce and the contained angle between 1 of seat support.

The first connecting rod 5 is of an arc-shaped structure, and when the first sliding block 4 slides to the right side, the pedal 3 can be driven to swing under the assistance of the first connecting rod 5;

the second connecting rod 7 is also of an arc-shaped structure, and when the second sliding block 6 slides to the left side, the chair back 2 can be driven to swing under the assistance of the second connecting rod 7;

the chair back 2 can swing to be flush with the chair seat 1, and the three can be used as an examination bed when in a plane.

The utility model discloses a chair support, including seat support 1, seat support 1 below is fixed with rotatable first threaded rod 8 that is equipped with, first threaded

rod

8 and 4 threaded connection of first slider, and first threaded rod 8 rotates and constitutes 4 horizontal slip structures of first slider, and the 8 outsides of first threaded rod are equipped with first guide bar 9, and first guide bar 9 is fixed in seat support 1 below, and first guide bar 9 slidable runs through first slider 4.

First threaded rod 8 is placed for the level, and first threaded rod 8 can drive first slider 4 and carry out the horizontal slip when rotating, and threaded connection has fine auto-lock effect, has guaranteed first slider 4's stability, has also decided the stability after pedal 3 swings.

The utility model discloses a chair seat, including seat support 1, seat support, first slider 6, second threaded rod 10, second slider 6, second slider 10 is fixed with the rotatable second threaded rod 10 that is equipped with below the seat support, and second threaded rod 10 is located the 8 lefts of first threaded rod, and second slider 6 is connected to second threaded rod 10 and second slider 6 threaded connection, and second slider 6 horizontal slip's structure is constituteed in the second threaded rod 10 commentaries on classics, and the 10 outsides of second threaded rod are equipped with second guide bar.

The second threaded rod 10 is also horizontally arranged, the second threaded rod 10 can drive the second sliding block 6 to horizontally slide when rotating, the threaded connection has a good self-locking effect, the stability of the second sliding block 6 is guaranteed, and the stability of the chair back 2 after swinging is also determined.

A first bevel gear 12 is fixed at the left end of the first threaded rod 8, a second bevel gear 13 is fixed at the right end of the second threaded rod, a third bevel gear 14 is meshed at the left side of the first bevel gear 12, and the second bevel gear 13 is meshed with the third bevel gear 14.

The third bevel gear 14 is engaged with the first bevel gear 12 and the second bevel gear 13 simultaneously, and when the third bevel gear 14 rotates, the first bevel gear 12 and the second bevel gear 13 rotate oppositely.

The first threaded rod 8 and the second threaded rod 10 are opposite in thread direction.

The screw thread turning directions of the first screw rod 8 and the second screw rod 10 are opposite, when the third bevel gear 14 rotates, the rotating directions of the first screw rod 8 and the second screw rod 10 are opposite, and the first sliding block 4 and the second sliding block 6 slide towards one direction due to the fact that the screw thread turning directions of the first screw rod and the second screw rod are opposite, the chair back 2 and the foot pedal move synchronously, and the maximum movement limit is that the first sliding block 4 and the second sliding block are parallel and level with the chair seat 1, so that the multifunctional bed is used as a bed body.

The third bevel gear 14 is fixedly connected with a rotating shaft 15, the rotating shaft 15 is rotatably fixed below the seat 1, the shaft end of the rotating shaft 15 is flush with the end face of the seat 1, and the shaft end of the rotating shaft 15 is provided with a prismatic hole.

The end of the rotating shaft 15 does not exceed the seat 1, so that the operator can be accidentally injured to a great extent, and the crank is inserted into the prismatic hole and can drive the rotating shaft 15 to rotate.

A pillow 16 is fixed above the left end of the chair back 2, and heat dissipation holes are arranged on the pillow 16.

The head of the patient who is treated by radiotherapy is rested on the pillow 16, and the heat dissipation holes can well dissipate heat, so that the heat of the head of the patient is prevented from being discharged.

The pedal 3 comprises a straight plate 17 hinged with the chair seat 1, the end part of the straight plate 17 is fixedly connected with a vertical plate 18, and the vertical plate 18 is provided with a foot placing hole.

The patient places the sole and places downtheholely at the foot, and the all the other positions of shank are placed on straight board 17, are equipped with multiunit magic subsides in the both sides of straight board 17, and the magic is pasted including son subsides and female subsides, adopts the magic to paste to fix patient's shank, and it is better to dismantle convenient and fixed effect.

Compared with the prior art, the utility model has the following benefits: 1) the chair back 2 and the pedals 3 can swing, so that the body position of a patient can be changed, and radiotherapy is facilitated; 2) can swing to the state that the chair back 2 is flush with the pedals 3, and can be used as a normal examination bed; 3) adopt the magic subsides to fix patient's low limbs, it is convenient quick.

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 modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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 lower limb fixing device for radiotherapy comprises a chair seat (1), and is characterized in that the left end of the chair seat (1) is hinged with a chair back (2), and the right end of the chair seat (1) is hinged with a pedal (3);

a first sliding block (4) which horizontally slides is arranged below the chair seat (1), a first connecting rod (5) is hinged to the outer side of the first sliding block (4), and the lower end of the first connecting rod (5) is hinged and fixed with the middle part of the pedal (3);

the chair seat is characterized in that a second sliding block (6) which slides horizontally is arranged below the chair seat (1), a second connecting rod (7) is hinged to the outer side of the second sliding block (6), and the upper end of the second connecting rod (7) is hinged and fixed to the middle of the chair back (2).

2. The lower limb fixing device for radiotherapy according to claim 1, wherein a first threaded rod (8) is rotatably fixed below the seat (1), the first threaded rod (8) is in threaded connection with the first sliding block (4), the first threaded rod (8) rotates to form a structure that the first sliding block (4) slides horizontally, a first guide rod (9) is arranged outside the first threaded rod (8), the first guide rod (9) is fixed below the seat (1), and the first guide rod (9) slidably penetrates through the first sliding block (4).

3. The lower limb fixing device for radiotherapy according to claim 2, wherein a second threaded rod (10) is rotatably fixed below the seat (1), the second threaded rod (10) is positioned at the left of the first threaded rod (8), the second threaded rod (10) is in threaded connection with the second slider (6), the second threaded rod (10) forms a horizontal sliding structure of the second slider (6), a second guide rod (11) is arranged outside the second threaded rod (10), the second guide rod (11) is fixed below the seat (1), and the second guide rod (11) slidably penetrates through the second slider (6).

4. The lower limb fixing device for radiotherapy according to claim 3, wherein a first bevel gear (12) is fixed at the left end of the first threaded rod (8), a second bevel gear (13) is fixed at the right end of the second threaded rod, a third bevel gear (14) is meshed at the left side of the first bevel gear (12), and the second bevel gear (13) is meshed with the third bevel gear (14).

5. The lower limb immobilization device for radiotherapy according to claim 3 or 4, wherein the first threaded rod (8) and the second threaded rod (10) are threaded in opposite directions.

6. The lower limb fixing device for radiotherapy according to claim 4, characterized in that the third bevel gear (14) is fixedly connected with a rotating shaft (15), the rotating shaft (15) is rotatably fixed below the chair seat (1), the shaft end of the rotating shaft (15) is flush with the end surface of the chair seat (1), and the shaft end of the rotating shaft (15) is provided with a prismatic hole.

7. The lower limb fixing device for radiotherapy according to claim 1, wherein a pillow (16) is fixed above the left end of the chair back (2), and the pillow (16) is provided with heat dissipation holes.

8. The lower limb fixing device for radiotherapy according to claim 1, wherein the pedal (3) comprises a straight plate (17) hinged with the seat (1), a vertical plate (18) is fixedly connected to the end of the straight plate (17), and a foot placing hole is formed in the vertical plate (18).