CN213527178U

CN213527178U - Fixing device for head radiotherapy

Info

Publication number: CN213527178U
Application number: CN202022171011.XU
Authority: CN
Inventors: 庞岚; 樊勇; 徐瑞; 王景
Original assignee: Lanzhou University
Current assignee: Lanzhou University
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2021-06-25
Anticipated expiration: 2030-09-28

Abstract

The utility model provides a fixing device for head radiotherapy, which comprises a base, a headrest and a neck pillow arranged at the upper end of the base, and arc-shaped clamping plates arranged at the two sides of the headrest, wherein the arc surfaces of the two arc-shaped clamping plates are opposite; the base on two sides of the headrest is provided with transverse sliding grooves, sliding blocks are arranged in the sliding grooves, the upper ends of the sliding blocks are fixedly connected with the lower ends of the arc-shaped clamping plates, and an adjusting device for controlling the two sliding blocks to synchronously approach or depart from the headrest is arranged in the base; one end of the base, which is close to the neck pillow, is provided with a disposable isolation component. The utility model effectively fixes the head, avoids the head from shaking to influence the radiotherapy effect, and improves the treatment efficiency; the utility model is suitable for patients with different head widths, and the utilization rate is high; the distance between the two clamping plates can be adjusted once, so that time and labor are saved, operation steps are saved, and the working efficiency of medical personnel is greatly improved; clean and sanitary, avoids cross infection among patients and ensures the health of the patients.

Description

Fixing device for head radiotherapy

Technical Field

The utility model relates to a medical treatment auxiliary articles for use technical field, concretely relates to fixing device is used in head radiotherapy.

Background

Tumor radiotherapy is a local treatment method for treating tumors by utilizing radioactive rays, wherein the radioactive rays comprise alpha, beta and gamma rays generated by radioactive isotopes and x rays, electron beams, proton beams and other particle beams generated by various x-ray treatment machines or accelerators.

In the process of head examination and treatment of the existing radiotherapy department, the head of a patient is not fixed by common equipment, so that the head of the patient moves during treatment to influence the treatment effect; firstly, because the headrest is positioned in the middle, when the distance between the left fixing plate and the right fixing plate is adjusted according to the requirements of a patient, the headrest is always ensured to be always positioned in the middle position by respectively adjusting the left fixing plate and the right fixing plate, the operation mode is inconvenient, time is wasted, and the working efficiency of medical personnel is reduced; secondly, the position of the fixing device contacting with human skin is generally a soft cushion, which is difficult to clean and sterilize, and the hospital has more patients, which is difficult to avoid cross infection and threatens the health of the patients.

In view of the foregoing, there is a need for a head radiotherapy fixture that overcomes the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a overcome the fixing device for head radiotherapy of above-mentioned problem.

In order to realize the purpose, the utility model discloses a technical scheme is: a fixing device for head radiotherapy comprises a base, a headrest and a neck pillow which are arranged at the upper end of the base, and arc-shaped clamping plates arranged at two sides of the headrest, wherein the arc surfaces of the two arc-shaped clamping plates are opposite;

the base on two sides of the headrest is provided with transverse sliding grooves, sliding blocks are arranged in the sliding grooves, the upper ends of the sliding blocks are fixedly connected with the lower ends of the arc-shaped clamping plates, and an adjusting device for controlling the two sliding blocks to synchronously approach or depart from the headrest is arranged in the base;

one end of the base, which is close to the neck pillow, is provided with a disposable isolation component.

The purpose of the utility model and the technical problem thereof can be further realized by adopting the following technical measures.

Furthermore, the lower ends of the two sliding grooves are provided with long grooves communicated with each other, and the lower end of the middle part of each long groove is provided with a groove communicated with the long groove;

the adjusting device comprises racks which are respectively arranged at two ends in the long groove in a sliding manner, four first rotating shafts which are arranged between the side walls of the groove in parallel, and a first pinion, a second pinion, a main gear and a third pinion which are respectively arranged on the four first rotating shafts in a penetrating manner, wherein the first pinion, the second pinion, the main gear and the third pinion are sequentially connected with one another in a meshed manner, the first pinion and the third pinion are respectively connected to the lower ends of the two opposite ends of the racks in a meshed manner, and the two sliding blocks are respectively fixedly connected with the opposite ends of the two racks;

one end of the first rotating shaft provided with the main gear penetrates out of the base to be connected with a crank;

the first and third pinions are identical, and the second pinion is identical to the main gear.

Further, the highest point of the second pinion and the main gear is lower than the lowest point of the rack.

Furthermore, two ends of the four first rotating shafts are connected with the side walls of the grooves through bearings.

Furthermore, the base on the two sides of the headrest is respectively provided with a connecting strip, and elastic connecting cloth is arranged between the connecting strips and the arc-shaped clamping plates.

Furthermore, soft pads are arranged on the inner sides of the arc-shaped clamping plates.

Furthermore, the disposable isolation assembly comprises an accommodating groove formed in the front side wall of the base, a second rotating shaft clamped in the accommodating groove and an isolation pad group wound on the second rotating shaft;

the isolation pad group comprises a plurality of isolation pads, and an easily torn line is arranged between every two isolation pads.

Further, the isolation pad is "T" type, and the both sides of this isolation pad's broadside are equipped with magic respectively and paste the hook face, the upper end of arc splint all be equipped with the magic that hook face matches is pasted to the magic and is pasted the matte.

Furthermore, the containing groove is provided with a cover plate, and the base at the upper end of the containing groove is provided with a pull opening of the isolation pad.

Furthermore, the neck pillow is an inflatable pillow connected with an air pump through an inflation tube, and the side surface of the inflatable pillow is provided with an exhaust hole. Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a fixing device for head radiotherapy, it sets up headrest, neck pillow on the base, makes head and neck support to some extent, sets up two arc splint in the both sides of headrest, makes the patient when doing the head radiotherapy, and the head is effectively fixed, avoids the head to rock and influences the radiotherapy effect, improves treatment effeciency.

2. The utility model discloses a fixing device is used in head radiotherapy, it is through setting up the spout in base both sides, with slider and arc splint lower extreme fixed connection in the spout for the doctor can adjust the interval of two arc splint through removing the slider, so that it is applicable to the patient of different head widths, improves the device rate of utilization.

3. The utility model discloses a fixing device is used in head radiotherapy, it is through setting up the rack at the slider lower extreme, realizes two rack synchronous relative motion or synchronous motion that deviates from mutually through gear drive, realizes only needing to adjust once can realize the adjustment to two arc splint positions, makes the headrest lie in the middle of the arc splint all the time, and it is convenient to adjust, and labour saving and time saving practices thrift operating procedure, has improved medical personnel's work efficiency greatly.

4. The utility model discloses a fixing device for head radiotherapy, it is through setting up disposable isolation assembly on the base, before every patient uses, can pull out a section of isolation pad and use, pull it to neck pillow upper end, headrest upper end in proper order, then fix the isolation pad with the upper end of arc splint through the magic subsides, clean health when the patient uses, can effectively isolate bacterium, sweat, etc. avoids using for a long time and causes the pollution to the device surface; after the use, tear this section of isolation pad through easily tearing the line and throw away again, this operation has effectively avoided the cross infection between the patient, guarantees patient's health.

Drawings

Fig. 1 is a schematic view of the overall structure of the fixing device for head radiotherapy provided by the present invention;

fig. 2 is a schematic sectional view of the embodiment of the present invention at the chute;

FIG. 3 is a schematic cross-sectional view of an embodiment of the present invention;

FIG. 4 is an enlarged schematic view at A in FIG. 1;

FIG. 5 is a schematic view of a part of the structure of the isolation pad set in the embodiment of the present invention;

description of reference numerals:

1. a base; 11. a chute; 12. a slider; 13. a long groove; 14. a groove; 15. a connecting strip; 16. elastic connecting cloth; 17. a non-slip mat;

2. a headrest;

3. a neck pillow; 31. an inflation tube; 32. an air pump; 33. an exhaust hole;

4. an arc-shaped splint; 41. a soft cushion; 42. magic tape hair side;

5. an adjustment device; 51. a rack; 52. a first rotating shaft; 53. a first counter gear; 54. a second counter gear; 55. a main gear; 56. a third pinion gear; 57. a crank; 58. a bearing;

6. a disposable isolation assembly; 61. accommodating grooves; 611. the isolation pad drawing opening; 612. a cover plate; 62. a second rotating shaft; 63. an isolation pad set; 631. an insulating pad; 6311. hook surface of magic tape; 6312. and (4) easily tearing the line.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 5, a fixing device for head radiotherapy comprises a base 1, a headrest 2 and a neck pillow 3 arranged at the upper end of the base 1, and arc splints 4 arranged at two sides of the headrest 2, wherein the arc surfaces of the two arc splints 4 are opposite;

the base 1 on both sides of the headrest 2 is provided with transverse sliding grooves 11, sliding blocks 12 are arranged in the sliding grooves 11, the upper ends of the sliding blocks 12 are fixedly connected with the lower ends of the arc-shaped clamping plates 4, and an adjusting device 5 for controlling the two sliding blocks 12 to synchronously approach to or depart from the headrest 2 is arranged in the base 1;

one end of the base 1 close to the neck pillow 3 is provided with a disposable isolation component 6.

In the utility model, in order to balance the supporting force of the sliding block 12 to the arc-shaped clamping plate 4 and ensure the uniform stress of the front end and the rear end of the arc-shaped clamping plate 4 and the stability, the sliding block 12 is arranged in the middle of the lower end of the arc-shaped clamping plate 4; through the adjusting device 5, the sliding block 12 can move along the sliding groove 11 where the sliding block is located in the opposite or opposite direction, so that the two arc-shaped clamping plates 4 are driven to move in the opposite or opposite direction, namely, the position of the two arc-shaped clamping plates 4 can be adjusted once, the two arc-shaped clamping plates 4 have equal displacement, the headrest 2 can be always kept between the two arc-shaped clamping plates 4, the operation is simple, the time and the labor are saved, and the working efficiency of medical workers is improved; the disposable isolation assembly 6 is used for isolating the patient from the fixing device, so that the patient is prevented from directly contacting with the fixing device, skin cross infection possibly caused is effectively avoided, and the health of the patient is guaranteed.

Preferably, the lower ends of the two sliding grooves 11 are provided with long grooves 13 communicated with each other, and the lower end of the middle part of each long groove 13 is provided with a groove 14 communicated with the corresponding long groove 13;

the adjusting device 5 comprises racks 51 respectively slidably arranged at two ends inside the long groove 13, four first rotating shafts 52 parallelly arranged between the side walls of the groove 14, and a first pinion 53, a second pinion 54, a main gear 55 and a third pinion 56 respectively arranged on the four first rotating shafts 52 in a penetrating manner, wherein the first pinion 53, the second pinion 54, the main gear 55 and the third pinion 56 are sequentially connected in a mutually meshed manner, the first pinion 53 and the third pinion 56 are respectively connected to the lower ends of the two opposite ends of the racks 51 in a meshed manner, and the two sliders 12 are respectively fixedly connected with the opposite ends of the two racks 51;

one end of the first rotating shaft 52 provided with the main gear 55 penetrates out of the base 1 and is connected with a crank 57; the crank 57 is used for controlling the rotation of the main gear 55;

the first and

third pinions

53, 56 are identical, and the second and

main pinions

54, 55 are identical. The same means that the sizes, the pitches, the thicknesses and the like of the gears are completely consistent, so that the two racks 51 can move synchronously, and the moving distances are equal.

In the present embodiment, as shown in fig. 2, from left to right, there are a first pinion 53, a second pinion 54, a main gear 55 and a third pinion 56, respectively, when the main gear 55 rotates clockwise, the second pinion 54 and the third pinion 56 located at both sides thereof rotate counterclockwise, and at the same time, when the second pinion 54 rotates counterclockwise, the first pinion 53 on the left side thereof rotates clockwise, and at the same time, the rack 51 engaged with the first pinion 53 moves to the right side, and the rack 51 engaged with the third pinion 56 moves to the left side, that is, moves toward each other, so that the two arc splints 4 move in opposite directions, and the distance therebetween decreases, and in the same way, it can be pushed out that when the main gear 55 rotates counterclockwise, the two arc splints 4 move in opposite directions, and the distance therebetween increases.

In order not to affect the movement of the two racks 51 in opposite directions, the highest point of the second sub-gear 54 and the main gear 55 is lower than the lowest point of the racks 51.

Preferably, both ends of the four first rotating shafts 52 are connected with the side walls of the groove 14 through bearings 58.

Preferably, as shown in fig. 1, 2 and 4, the base 1 on both sides of the headrest 2 is respectively provided with a connecting strip 15, and an elastic connecting cloth 16 is arranged between the connecting strip 15 and the arc-shaped splint 4. Due to the elasticity of the elastic connecting cloth 16, the elastic connecting cloth does not obstruct the fixed movement of the position of the arc-shaped splint 4, can cover the gap between the arc-shaped splint 4 and the headrest 2, and simultaneously plays a role in supporting the head of a patient.

In order to avoid the injury of the patient head caused by the patient hard splint, the inner sides of the arc-shaped splints 4 are provided with soft cushions 41.

Preferably, the disposable isolating assembly 6 comprises an accommodating groove 61 formed in the front side wall of the base 1, a second rotating shaft 62 clamped inside the accommodating groove 61, and an isolating pad group 63 wound on the second rotating shaft 62;

the isolation pad group 63 is composed of a plurality of isolation pads 631, and an easy-to-tear line 6312 is arranged between every two isolation pads 631.

In this embodiment, as shown in fig. 3 and 5, before each patient uses the device, a section of the isolation pad 631 can be pulled out for use and sequentially laid on the upper end of the neck pillow 3 and the upper end of the head pillow 2, so that the patient can use the device cleanly and hygienically, bacteria, sweat and the like can be effectively isolated, and the surface of the device is prevented from being polluted due to long-term use; after the use, the section of the isolation pad 631 is torn down and thrown away through the easy-to-tear line 6312, so that the operation effectively avoids cross infection among patients and ensures the health of the patients.

Preferably, as shown in fig. 5, the isolation pad 631 is of a "T" shape, two wide ends of the "T" isolation pad 631 may extend to the inner surface of the arc-shaped clamp plate 4, two sides of the wide side of the isolation pad 631 are respectively provided with a hook and loop surface 6311, and the upper end of the arc-shaped clamp plate 4 is provided with a hook and loop surface 42 matching with the hook and loop surface 6311. During the use, pull out a lesson isolation pad 631 and pull it to 3 upper ends of neck pillows, 2 upper ends of headrest in proper order, then fix isolation pad 631 with the upper end of arc splint 4 through the magic subsides, can avoid sliding.

Preferably, a cover plate 612 is disposed on the receiving groove 61, and a drawing opening 611 for the isolation pad is disposed on the base 1 at the upper end of the receiving groove 61. The cover plate 612 prevents dust from polluting the isolation pad group 63, facilitates replacement of the isolation pad group 63, and improves the utilization rate.

Preferably, the neck pillow 3 is an inflatable pillow connected with an air pump 32 through an inflation tube 31, and the side of the inflatable pillow is provided with an exhaust hole 33. When in use, the neck pillow 3 is filled with a proper amount of gas according to the needs of a patient, the adjustability is high, and the pressure reducing function is achieved.

In order to prevent the base 1 from sliding, the lower end of the base 1 is provided with a non-slip mat 17.

The present invention has been further described with reference to the embodiments, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. The utility model provides a fixing device is used in head radiotherapy, includes base (1), establishes headrest (2) and neck pillow (3) and establishing of base (1) upper end arc splint (4), two of headrest (2) both sides the cambered surface of arc splint (4) is relative, its characterized in that:

the base (1) on two sides of the headrest (2) is provided with transverse sliding grooves (11), sliding blocks (12) are arranged in the sliding grooves (11), the upper ends of the sliding blocks (12) are fixedly connected with the lower ends of the arc-shaped clamping plates (4), and adjusting devices (5) used for controlling the two sliding blocks (12) to synchronously draw close to or depart from the headrest (2) are arranged in the base (1);

one end of the base (1) close to the neck pillow (3) is provided with a disposable isolation component (6).

2. The head radiotherapy fixing device of claim 1, wherein:

the lower ends of the two sliding grooves (11) are provided with long grooves (13) which are communicated, and the lower end of the middle part of each long groove (13) is provided with a groove (14) which is communicated with the corresponding long groove (13);

the adjusting device (5) comprises racks (51) which are respectively arranged at two ends inside the long groove (13) in a sliding manner, four first rotating shafts (52) which are arranged between the side walls of the groove (14) in parallel, and a first pinion (53), a second pinion (54), a main gear (55) and a third pinion (56) which are respectively arranged on the four first rotating shafts (52) in a penetrating manner, wherein the first pinion (53), the second pinion (54), the main gear (55) and the third pinion (56) are sequentially connected with one another in a meshed manner, the first pinion (53) and the third pinion (56) are respectively connected to the lower ends of the two opposite ends of the racks (51) in a meshed manner, and the two sliding blocks (12) are respectively fixedly connected with the opposite ends of the two racks (51);

one end of the first rotating shaft (52) provided with the main gear (55) penetrates out of the base (1) and is connected with a crank (57);

the first and third pinions (53, 56) are identical, and the second pinion (54) and the main gear (55) are identical.

3. A fixing device for head radiotherapy according to claim 2, characterized in that the highest point of the second secondary gear (54) and the main gear (55) is lower than the lowest point of the rack (51).

4. A fixing device for head radiotherapy according to claim 2, characterized in that the two ends of the four first rotating shafts (52) are connected with the side wall of the groove (14) through bearings (58).

5. The fixing device for head radiotherapy as claimed in claim 1, wherein the base (1) on both sides of the headrest (2) is respectively provided with a connecting strip (15), and an elastic connecting cloth (16) is arranged between the connecting strip (15) and the arc-shaped splint (4).

6. A fixing device for head radiotherapy according to claim 1, characterized in that the arc-shaped splints (4) are provided with soft pads (41) on the inner side.

7. The head radiotherapy fixing device of claim 1, wherein:

the disposable isolation assembly (6) comprises an accommodating groove (61) formed in the front side wall of the base (1), a second rotating shaft (62) clamped in the accommodating groove (61), and an isolation pad group (63) wound on the second rotating shaft (62);

the isolation pad group (63) is composed of a plurality of isolation pads (631), and an easy-to-tear line (6312) is arranged between every two isolation pads (631).

8. The fixing device for head radiotherapy as claimed in claim 7, wherein the isolating pad (631) is T-shaped, hook and loop fastening surfaces (6311) are respectively disposed at both sides of the wide side of the isolating pad (631), and hook and loop fastening surfaces (42) matching with the hook and loop fastening surfaces (6311) are disposed at the upper end of the arc-shaped splint (4).

9. The fixing device for head radiotherapy as claimed in claim 7, wherein the receiving groove (61) is provided with a cover plate (612), and the base (1) at the upper end of the receiving groove (61) is provided with a spacer drawing opening (611).

10. The fixing device for head radiotherapy as claimed in claim 1, wherein the neck pillow (3) is an inflatable pillow connected to an air pump (32) through an inflatable tube (31), and the side of the inflatable pillow is provided with an exhaust hole (33).