CN119113428B

CN119113428B - Body position fixing device for sitting posture radiotherapy patient

Info

Publication number: CN119113428B
Application number: CN202411626281.1A
Authority: CN
Inventors: 王首龙; 王先良; 李林涛; 刘敏; 周红艳
Original assignee: Sichuan Cancer Hospital
Current assignee: Sichuan Cancer Hospital
Priority date: 2024-11-14
Filing date: 2024-11-14
Publication date: 2025-01-28
Anticipated expiration: 2044-11-14
Also published as: CN119113428A

Abstract

The present invention discloses a body position fixing device for sitting radiotherapy patients, and relates to the technical field of radiotherapy. The present invention specifically comprises a base, a support part and a shielding part, wherein the support part is arranged on the upper side of the base, the support part is used to support the patient from the side, the shielding part is connected to the support part, and the shielding part is used to shield the radiotherapy rays. The present invention is provided with a base and a support part, and the base and the support part can cooperate to fix the posture of the patient and prevent the patient's posture from changing, while the shielding part can be used to shield the rays and prevent the rays from irradiating other parts of the patient to ensure the safety of radiotherapy.

Description

Body position fixing device for sitting posture radiotherapy patient

Technical Field

The invention relates to the technical field of radiotherapy, and particularly provides a body position fixing device for a sitting posture radiotherapy patient.

Background

In the radiotherapy process of tumor patients, body position fixation is a very important link. It relates to the accuracy of patient radiotherapy and whether normal tissue can be effectively protected. Typically, the patient is treated with radiation in a prone position, with the most commonly used being the supine position. Because in the state of lying on back, the patient feels more comfortable, can keep the stability of health for a long time, avoid involuntary removal to guarantee the accuracy of radiotherapy position.

However, some patients are limited by the disease or physical factors of the patient, such as severe superior vena cava syndrome, severe pain due to bone metastasis or severe humpback, and the patient cannot take a lying posture and is forced to take a sitting posture for radiotherapy. However, no position fixing device specially designed for sitting radiotherapy patients is found in the market at present. Without the aid of the fixing device, it is difficult for the patient to keep his body stable for the whole duration of the radiotherapy, which increases the risk of radiotherapy. Therefore, the problem that patients who need sitting posture radiotherapy have a risk of posture fixation needs to be solved.

Disclosure of Invention

The invention provides a posture fixing device for a sitting posture radiotherapy patient, which is used for solving the problem that the patient needing sitting posture radiotherapy has posture fixing risk.

The technical scheme of the invention is as follows:

The utility model provides a position fixing device for position of sitting radiotherapy patient, includes base, supporting part and shielding part, the supporting part sets up in the base upside, the supporting part is used for supporting the patient from the side, shielding part is connected with the supporting part, shielding part is used for shielding the radiotherapy ray, the supporting part includes curb plate and strip shaped plate, the bottom and the base of curb plate are connected, the both sides of base are provided with the curb plate respectively, the both sides of curb plate are provided with the mounting hole respectively, the both ends of strip shaped plate are connected with the bar shaped hole on two curb plates respectively, the strip shaped plate is installed respectively to the curb plate both sides, the strip shaped plate is used for supporting the patient's body from both sides around, prevents that the patient's body from removing.

In this scheme, the base can provide the region of sitting down for the patient, and the supporting part can follow the side and support the patient, prevents that patient's gesture from changing, ensures that patient's gesture can not change when carrying out the radiotherapy, and other positions of the health are shone to the ray when reducing the radiotherapy, have reduced the risk of radiotherapy under the position of sitting. The base is placed on the radiotherapy bed, and the whole fixing device is moved to the radiotherapy position by the radiotherapy bed, the shielding part is used for shielding the area of the patient without radiotherapy, and other positions of the patient are prevented from being irradiated by radiotherapy rays. The patient can be supported from the front side and the back side through the strip-shaped plate, and the body of the patient can be prevented from moving along the front-back direction, so that the position stability of a radiotherapy area on the body of the patient is ensured, and the radiotherapy rays can be accurately irradiated to the radiotherapy area of the patient.

In the radiotherapy process, the target area of radiotherapy is different because of the patient is different, is difficult to be applicable to the problem of different radiotherapy for solving the portion of sheltering from, and for this reason, shelter from portion and supporting part detachable connection, the supporting part is provided with a plurality of connection structure, shelter from the portion and be connected through the connection structure with the difference and change and shelter from the scope.

In this scheme, make shielding part be connected with different connection structure, can change the position of shielding part to make shielding part can change according to the difference of radiotherapy scope and shelter from the scope, in order to be applicable to different radiotherapy.

For solving the problem of fixed connection position, the installation of shielding part is demolishd inefficiency, therefore, couple, supporting part and shielding part are provided with the hanging hole in vertical direction and the horizontal direction respectively, the both ends of couple are connected with the hanging hole of supporting part and shielding part respectively.

In this scheme, adopt the couple to have the advantage of quick fixed and demolishd fast, can improve installation effectiveness.

Preferably, the shielding device comprises lead plates, and each lead plate is combined to form the shielding part.

In this scheme, the lead plate has two blocking effects to the ray, can avoid the ray to shine the position outside the target area.

For solving the problem of radiotherapy area position deviation caused by body fluctuation caused by patient respiration, the strip-shaped plate is also used for compacting the radiotherapy area of the patient and preventing the radiotherapy area position deviation of the patient.

In this scheme, the backup pad compresses tightly the regional body surface of patient's radiotherapy, reaches the fixed effect in regional body surface position of radiotherapy, avoids patient to breathe and leads to the body surface to rise and fluctuate and arouse the regional position offset of radiotherapy, can improve the accuracy of radiotherapy.

For solving the problem that the strip-shaped plate cannot be used universally due to different factors such as height and body type of different patients or different areas of radiotherapy, a plurality of mounting holes are respectively formed in two sides of the side plate, and the mounting holes are respectively distributed along the vertical direction and the horizontal direction.

In this scheme, set up a plurality of mounting holes, according to patient's height size difference, perhaps according to the regional difference of radiotherapy, can install the strip in different mounting holes to change the position of strip, make the strip be applicable to the patient of different height sizes or be applicable to different radiotherapy regions. For example, when the sizes of the patients are different, for a relatively fat patient, the strip plates on the front and rear sides can be mounted in the mounting holes with larger intervals. When the heights of the patients are different, the strip-shaped plate can be installed in the installation holes with different heights so as to be suitable for the patients with different heights.

For solving the unstable of device placement in radiotherapy bed, avoid the base skew to lead to patient's gesture or position skew, lead to the wrong problem of radiotherapy ray irradiation position, for this reason, still include fixed subassembly, fixed subassembly with the base is connected, fixed subassembly is used for unable adjustment base.

In this scheme, be provided with fixed establishment, can fix the base on the radiotherapy bed through fixed establishment, avoid the base skew to lead to patient's position to remove to avoid the irradiation area change of radiotherapy ray, avoid the radiotherapy ray to shine other positions of human body.

Specifically, fixed subassembly includes card strip, location portion, locking bolt and fixture block, location portion supports and leans on in the base, location portion is used for blockking that the base is along the horizontal direction removal, card strip both sides are provided with the locking bolt respectively, locking bolt and card strip rotatable coupling, the fixture block is provided with the screw hole with the locking bolt adaptation, the fixture block with locking bolt connects, the fixture block is located card strip downside, fixture block and card strip are from upper and lower both sides clamp radiation therapy bed respectively.

In this scheme, the base is fixed through the cooperation of locating piece and locating hole with the card strip realization position, prevents that the base from shifting in the horizontal direction position. The clamping strips and the clamping blocks can clamp the radiotherapy bed from the upper side and the lower side under the action of the locking bolts, so that the clamping strips are fixedly connected with the radiotherapy bed. After the clamping strips are fixedly connected with the radiotherapy bed, the base can be ensured to be fixed relative to the radiotherapy bed.

Preferably, the long side of the clamping strip is parallel to the side plate.

In this scheme, the long limit of card strip is parallel with the curb plate, and the long limit of card strip is perpendicular with the long limit of radiotherapy bed promptly. At this time, the length of card strip can be with the width adaptation of radiotherapy bed, can make the length of card strip shorter, receives under the fixed circumstances in card strip both ends, and the card strip length is shorter, then the fixed more stable of card strip.

The positioning part is a positioning rod or a positioning block, and the fixing component comprises at least two positioning parts.

In this scheme, the shape of location portion can be according to processing cost selection, sets up two at least location portions, then can improve the contact point with the base, improves the stability to the base is fixed.

For solving the problem that the strip-shaped plate or the side plate cannot be clung to the patient and cannot fix the posture of the patient, the fixing device further comprises a base plate for filling a gap between the strip-shaped plate and the patient, and the base plate is a compressible flexible plate.

In the scheme, the cushion plate can be filled between the strip-shaped plate and the patient, and the space between the strip-shaped plate and the patient is eliminated by utilizing the cushion plate, so that the posture of the patient is fixed.

The invention has the beneficial effects that:

The invention is provided with the base and the supporting part, the base and the supporting part can be matched to fix the posture of a patient and prevent the posture of the patient from changing, the shielding part can be used for shielding rays and preventing the rays from irradiating other positions of the patient, thereby ensuring the safety of radiotherapy.

Drawings

In order to more clearly illustrate the technical solutions of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a front view of the first embodiment;

FIG. 2 is a left side view of the first embodiment;

fig. 3 is a front view of the second embodiment;

FIG. 4 is a cross-sectional view of a second embodiment of a securing assembly;

FIG. 5 is a front view of another embodiment of a fastening assembly;

fig. 6 is a schematic structural diagram of the first embodiment.

In the above figures, corresponding reference numerals are as follows:

1. A base; 2, a side plate, 3, a strip-shaped plate, 4, a shielding part, 5, a mounting hole, 6, a clamping strip, 7, a locking bolt, 8, a clamping block, 9, a positioning part, 10, a radiotherapy bed, 11 and a positioning bolt.

Detailed Description

The technical scheme of the invention is clearly and completely described through the specific implementation mode of the embodiment of the invention with the aid of the attached drawings.

Embodiment one:

as shown in fig. 1, the first embodiment provides a posture fixing device for a sitting posture radiotherapy patient, which comprises a base 1, a supporting part and a shielding part 4, wherein the bottom of the supporting part is connected with the base 1, the base 1 is used for providing a seat for the patient, so that the patient can sit on the base 1, and the supporting part is used for supporting the patient from the side surface, so that the posture of the patient is kept unchanged in the whole radiotherapy process. And shielding part 4 is connected with the supporting part, and shielding part 4 is used for shielding the patient and does not need the region of radiotherapy, prevents that the radiotherapy ray from shining other regions.

The base 1 can be a flat plate structure, and a cushion and the like can be arranged at the top of the base 1, so that a patient can sit on the base 1 more comfortably. When a patient sits on the base 1, the patient can feel comfortable, the patient can be prevented from subconsciously adjusting the posture due to uncomfortableness, and the posture of the patient is ensured to be unchanged in the radiotherapy process.

The support part can adopt a plate-shaped structure or a frame structure consisting of sectional materials. When the supporting part adopts the platy structure, the contact area with a patient can be increased, and pain of the patient caused by the supporting part is avoided. Therefore, the support portion preferably adopts a plate-like structure.

The support part is used for supporting a patient from the periphery and comprises two side plates 2 and a plurality of strip-shaped plates 3. The bottom of curb plate 2 is connected with base 1, and the left and right sides of base 1 is provided with curb plate 2 respectively, can follow the gesture of left and right directions constraint patient through curb plate 2, provides the support for the patient, prevents that patient's gesture from changing. The strip-shaped plate 3 is detachably connected with the side plate 2, and after a patient sits on the base 1, the strip-shaped plate 3 can be arranged on the side plate 2, and the front side and the rear side of the patient are supported through the strip-shaped plate 3. The side plate 2 and the base 1 can be fixedly connected through fasteners such as screws.

As shown in fig. 2, the side plates 2 are provided with mounting holes 5, and two ends of the strip-shaped plate 3 are respectively inserted into the mounting holes 5 of the two side plates 2, so that the strip-shaped plate 3 can be mounted. The front side and the rear side of the side plate 2 are respectively provided with a plurality of mounting holes 5, and the strip-shaped plate 3 is connected with different mounting holes 5, so that the strip-shaped plate 3 can be positioned at different positions after being mounted.

A plurality of mounting holes 5 are provided in the side plate 2 in the vertical direction and the horizontal direction so that the mounting height of the strip plate 3 and the front-rear position of the strip plate 3 can be adjusted. The height of the strip plate 3 can be adjusted by connecting the strip plate 3 with the mounting hole 5 on the upper side or the lower side, and the front and rear positions of the strip plate 3 can be adjusted by connecting the strip plate 3 with the mounting hole 5 on the front side or the rear side.

The front side of the side plate 2 may be provided with only one strip-shaped plate 3, or may be provided with two, three or more strip-shaped plates 3, by which the abdomen or chest of the patient is supported.

In the same way, the back side of the side plate 2 may be provided with only one strip-shaped plate 3, or may be provided with two, three or more strip-shaped plates 3, and the back of the patient is supported by the strip-shaped plates 3.

As shown in fig. 6, four strip-shaped plates 3 are mounted on the side plate 2, wherein two strip-shaped plates 3 are located on the front side for supporting the torso of the patient from the front side, and the other two strip-shaped plates 3 are located on the rear side for supporting the torso of the patient from the rear side. The left and right sides of the patient are supported by the side plates 2, and the front and rear sides of the patient are supported by the strip-shaped plates 3 respectively, so that the periphery of the patient is supported by the fixing device, the posture of the patient can be kept unchanged, and the radiotherapy area of the patient can be accurately treated.

After the radiotherapy area of the patient is determined, the strip-shaped plate 3 is tightly attached to the body surface position corresponding to the radiotherapy area, and the strip-shaped plate 3 is connected with the side plate 2. The strip-shaped plate 3 compresses the body surface corresponding to the radiotherapy area of the patient, so that the position deviation of the radiotherapy area caused by the fluctuation of the body surface due to respiration and the like of the patient can be avoided, and the setting can improve the accuracy of radiotherapy.

The mounting holes 5 are provided in the horizontal direction, and the front and rear positions of the strip-shaped plate 3 can be adjusted to be suitable for patients of different sizes. Simultaneously, there is another effect that two strip-shaped plates 3 can be arranged at the front side of the patient, and the two strip-shaped plates 3 are arranged at different heights and also at different front and rear positions. At this time, two strip-shaped plates 3 are also provided on the back side of the patient, and the two strip-shaped plates 3 are also positioned at different heights and different front-back positions, so that the upper body of the patient can be kept in an inclined state. The patient can keep the upper body in an inclined state, so that the patient exposes the treatment target area, the adjustment difficulty of the angle of the ray source can be reduced, and the adjustment difficulty of the angle of the ray source is reduced.

The strip-shaped plate 3 is a rectangular plate, and the size of the mounting hole 5 is the same as the cross section size of the rectangular plate. When the strip-shaped plate 3 is installed, one end of the strip-shaped plate 3 can pass through one installation hole 5, so that the strip-shaped plate 3 penetrates between the two side plates 2, and then the strip-shaped plate 3 is pushed to move, so that the strip-shaped plate 3 is inserted into the installation hole 5 on the other side plate 2. This lateral penetration allows the strip 3 to be brought closer to the patient's body surface. Ensuring that the patient is supported from the side.

When there is always a distance between the strip 3 and the patient, then a pad can be filled between the strip 3 and the patient. The patient is supported by the cushion plate, thereby preventing the posture of the patient from changing. Similarly, when there is a space between the side plate 2 and the patient, the cushion plate may be filled so that the cushion plate supports the patient from both sides. In actual use, the other side of the radiotherapy area of the patient is mainly filled with the backing plate. For example, when radiotherapy is required for the abdomen of the patient, the back of the patient is filled with the cushion plate, so that the chest of the patient is abutted against the strip-shaped plate 3, the distance between the shielding part 4 and the skin of the patient is kept in the nearest state, and the shielding position of the shielding part 4 is ensured to be accurate.

The backing plate may be a foam plate.

Both the strip-shaped plate 3 and the side plate 2 can be made of plates which can allow rays to pass through, so that the target area can not be treated due to the fact that the strip-shaped plate and the side plate block rays.

The shielding part 4 and the strip-shaped plate 3 can be connected through a hook. For example, a hook is arranged on the shielding part 4, a hanging hole is arranged on the strip-shaped plate 3, and the hook is hung on the hanging hole, so that the shielding part 4 can be quickly fixed and detached. The shielding part 4 is used for blocking radiation of radiotherapy, or a coating which can block radiation of radiotherapy, such as a coating formed by barium sulfate radiation-proof paint, is arranged on the shielding part 4, or a material layer which can block radiation, such as a lead plate which can block radiation, is arranged on the shielding part 4.

When the shielding part 4 shields rays through the coating, the coating can be arranged on the foldable flexible plate, and the shape of the edge of the shielding part 4 can be matched with the shape of the radiotherapy target zone by folding the shielding part 4. At this time, the weight of shielding part 4 is light, be provided with the magic subsides of mutual adaptation on shielding part 4 and the strip shaped plate 3, shielding part 4 can paste in strip shaped plate 3 through the magic subsides to can hang as required and paste the position, thereby nimble shielding position of adjusting shielding part 4. The magic tape is used as a connecting structure of the shielding part 4 and the strip-shaped plate 3. Other connection structures of the shielding part 4 and the strip-shaped plate 3 can be adopted, for example, thumbtack can be adopted to connect the shielding part 4 and the strip-shaped plate 3. The shielding portion 4 is pinned to the strip 3 by a plurality of pins.

The base 1 can be directly placed on the radiotherapy bed 10, and in the radiotherapy process, the radiotherapy bed 10 can be moved to the radiotherapy position, and the whole fixing device is carried in the movement process and moved to the radiotherapy position, and then radiotherapy is started. After the radiation therapy is completed, the radiation therapy bed 10 is removed with the whole fixation device.

Embodiment two:

The second embodiment provides a position fixing device for a sitting posture radiotherapy patient, and is different from the first embodiment in that a fixing component is arranged between the base 1 and the radiotherapy bed 10 in the second embodiment, and the base 1 is connected with the radiotherapy bed 10 through the fixing component, so that the instability of the base 1 and the position deviation of the base 1 are prevented when the radiotherapy bed 10 moves.

As shown in fig. 3, the fixing component comprises a clamping strip 6, a positioning part 9, a locking bolt 7 and a clamping block 8, the positioning part 9 is arranged at the top of the clamping strip 6, rotatable locking bolts 7 are arranged on two sides of the clamping strip 6, threaded holes matched with the locking bolts 7 are formed in the clamping block 8, and the locking bolts 7 on two sides of the clamping strip 6 are respectively connected with the clamping block 8. The bottom of the base 1 is provided with a positioning hole matched with the positioning part 9. The bottom surface of the clamping strip 6 is attached to the top surface of the radiotherapy bed 10, the locking bolts 7 extend to the lower side of the radiotherapy bed 10 from the two sides of the radiotherapy bed 10 respectively, the top surface of the clamping block 8 is propped against the bottom of the radiotherapy bed 10, the clamping block 8 can be upwards moved by screwing the locking bolts 7, the clamping block 8 and the clamping strip 6 clamp the bed body of the radiotherapy bed 10 from the upper side and the lower side, and the effect of fixing the clamping strip 6 and the radiotherapy bed 10 is achieved.

Or as shown in fig. 5, the positioning portion 9 abuts against the base 1 from the side, in which case there is no need to provide a positioning hole in the base. And for easy installation, the positioning portion 9 is provided with a positioning bolt 11. The positioning part 9 is provided with a screw hole, and the positioning bolt 11 is in transmission connection with the screw hole on the positioning part 9. The positioning bolt 11 is screwed to enable the end part of the positioning bolt to abut against the base 1, so that the effect of fixing the base 1 is achieved. The advantage of this arrangement is that the contact point with the base 1 is higher and the contact area with the base 1 can be larger, thus allowing a more stable fixation of the base 1.

As shown in fig. 4, one, two, three or more positioning portions 9 may be provided at the top of the clip strip 6, and the base 1 is provided with the same number of positioning holes as the positioning portions 9. After the positioning part 9 is inserted into the positioning hole, the clamping strip 6 is connected with the base 1, and the positioning part 9 can prevent the base 1 from moving along the horizontal direction. The plurality of positioning seats are arranged, so that the stability of connection can be improved.

The positioning portion 9 may be a positioning rod or a positioning block. The axis of the positioning rod is vertically arranged, so that the base 1 can be placed on the clamping strip 6 from top to bottom, and meanwhile, the positioning rod is inserted into the positioning hole.

Claims

1. A body position fixing device for sitting radiotherapy patients, characterized in that it comprises a base (1), a supporting part and a shielding part (4), wherein the supporting part is arranged on the upper side of the base (1), the supporting part is used to support the patient from the side, the shielding part (4) is connected to the supporting part, the shielding part (4) is used to shield the radiotherapy rays, the supporting part comprises a side plate (2) and a strip plate (3), the bottom of the side plate (2) is connected to the base (1), the two sides of the base (1) are respectively provided with side plates (2), the two sides of the side plates (2) are respectively provided with mounting holes (5), the two ends of the strip plate (3) are respectively connected to the strip holes on the two side plates (2), the two sides of the side plates (2) are respectively installed with strip plates (3), the strip plates (3) are used to block the radiotherapy rays from the front and back The patient's body is supported on both sides to prevent the patient's body from moving. A plurality of mounting holes (5) are respectively arranged on both sides of the side plate (2), and each mounting hole (5) is arranged in the vertical direction and the horizontal direction respectively. Two strip plates (3) are arranged in front of the patient, and the two strip plates (3) are not only arranged at different heights, but also arranged in different front and back positions; two strip plates (3) are also arranged in the back of the patient, and the two strip plates (3) are also arranged at different heights and different front and back positions, so that the upper body of the patient is kept in an inclined state, so that the patient exposes the treatment target area; a coating capable of blocking radiotherapy rays is arranged on the shielding part (4), and the coating is arranged on a foldable flexible plate, and the edge shape of the shielding part (4) can be adapted to the shape of the radiotherapy target area by folding the shielding part (4).

2. A body position fixation device for sitting radiotherapy patients according to claim 1, characterized in that the shielding part (4) is detachably connected to the supporting part, the supporting part is provided with a plurality of connecting structures, and the shielding part (4) changes the shielding range by connecting with different connecting structures.

3. A body position fixing device for sitting radiotherapy patients according to claim 2, characterized in that the connecting structure is a hook, and the supporting part and the shielding part (4) are respectively provided with hanging holes in the vertical direction and the horizontal direction, and the two ends of the hook are respectively connected to the hanging holes of the supporting part and the shielding part (4).

4. A body position fixing device for sitting radiotherapy patients according to claim 1, characterized in that the shielding portion (4) comprises lead plates, and the lead plates are combined to form the shielding portion (4).

5. A body position fixing device for sitting radiotherapy patients according to claim 1, characterized in that the strip plate (3) is also used to compress the patient's radiotherapy area to prevent the position of the patient's radiotherapy area from shifting.

6. A body position fixing device for sitting radiotherapy patients according to claim 1, characterized in that it also includes a fixing component, which is connected to the base (1) and is used to fix the base (1).

7. A body position fixing device for sitting radiotherapy patients according to claim 6, characterized in that the fixing component includes a clamping strip (6), a positioning portion (9), a locking bolt (7) and a clamping block (8), the positioning portion (9) abuts against the base (1), and the positioning portion (9) is used to prevent the base (1) from moving in the horizontal direction, locking bolts (7) are respectively provided on both sides of the clamping strip (6), the locking bolts (7) are rotatably connected to the clamping strip (6), the clamping block (8) is provided with a threaded hole adapted to the locking bolt (7), the clamping block (8) is connected to the locking bolt (7), the clamping block (8) is located on the lower side of the clamping strip (6), and the clamping block (8) and the clamping strip (6) clamp the radiotherapy bed (10) from the upper and lower sides respectively.

8. A body position fixing device for sitting radiotherapy patients according to claim 7, characterized in that the positioning part (9) is a positioning rod or a positioning block, and the fixing component includes at least two positioning parts (9).

9. A body position fixation device for sitting radiotherapy patients according to claim 1, characterized in that it also includes a pad, which is used to fill the gap between the strip plate (3) and the patient, and the pad is a compressible flexible plate.