CN212327214U - Body position fixing device for whole-body radiotherapy - Google Patents
Body position fixing device for whole-body radiotherapy Download PDFInfo
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- CN212327214U CN212327214U CN202020803719.XU CN202020803719U CN212327214U CN 212327214 U CN212327214 U CN 212327214U CN 202020803719 U CN202020803719 U CN 202020803719U CN 212327214 U CN212327214 U CN 212327214U
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Abstract
The utility model discloses a body position fixing device for whole body radiotherapy, which comprises a bottom plate, a side lying bed body, a headrest, a scattering screen and a leg separating stool; the side bed body includes the box, back board and expanded polystyrene, the box is installed at the upside of bottom plate, the headrest has a clearance on the bottom plate and between with the box in the movable installation of box length direction's one end, the scattering screen is fixed at the bottom plate upside in box width direction's one side, the back board is connected in box width direction's opposite side, expanded polystyrene and branch leg bench are all located the box upside and are located between back board and the scattering screen, the expanded polystyrene is located between headrest and the branch leg bench, the sunken spacing recess that forms in top surface of expanded polystyrene, the side of expanded polystyrene that leans on the scattering screen extends upwards near the headrest position and forms the stop portion that can stop patient chest wall 1/3. The utility model discloses a position fixing device for whole-body radiotherapy can effectively fix patient's position, can ensure that the pendulum position repeatability is unanimous, has also increased the travelling comfort of patient treatment in-process.
Description
Technical Field
The utility model belongs to whole-body radiotherapy field, concretely relates to position fixing device for whole-body radiotherapy.
Background
Systemic radiotherapy is an important means for pretreatment of allogeneic bone marrow transplantation, and in clinical practice of radiotherapy, many patients need to receive systemic radiotherapy for preventive treatment so as to rebuild the hematopoietic system to create conditions for successful bone marrow transplantation of diseases such as leukemia and the like. In general radiotherapy, a patient needs to receive radiation therapy in a lateral position by adopting a front-back position (radiation is incident from the front) and a back-front position (radiation is incident from the back).
Due to poor physical condition, inconvenient movement and the requirement of multiple irradiation, the whole body radiotherapy patient is difficult to persist and easy to move, and the repeatability is inconsistent in each positioning, so that a doctor is difficult to calculate the radiation dose. The comfort of the patient during the treatment process can not meet the requirement. In order to solve the above problems, the posture fixing device for whole body radiotherapy is designed.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a position fixing device for whole-body radiotherapy can effectively fix patient's position, avoids the patient to remove and takes place danger, can ensure moreover that the pendulum position repeatability is unanimous, and the doctor of being convenient for calculates the radiation dose, has also increased the travelling comfort of patient treatment in-process.
In order to achieve the purpose, the utility model provides a body position fixing device for whole-body radiotherapy, which comprises a bottom plate, a side lying bed body, a headrest, a scattering screen and a leg separating stool; the side-lying bed body comprises a box body, a backrest plate and foam rubber, the box body is installed on the upper side of a bottom plate, two ends of the box body in the length direction are open, a headrest is movably installed on the bottom plate at one end of the box body in the length direction and has a gap with a variable size with the box body, a scattering screen is fixed on the upper side of the bottom plate at one side of the box body in the width direction and clings to the side face of the box body, the backrest plate is connected to the other side of the box body in the width direction, the foam rubber and a leg dividing stool are both located on the upper side of the box body and between the backrest plate and the scattering screen and cling to the backrest plate and the scattering screen, the foam rubber is located between the headrest and the leg dividing stool, the top surface of the foam rubber is sunken to form a limiting groove, the side.
As a further improvement of the utility model, the top surface of the bottom plate is recessed along the length direction of the box body to form a groove, the lower edge of the scattering screen is embedded and fixed in the groove, the top surface of the bottom plate is also provided with a track which is arranged beside the groove along the length direction of the box body, and the headrest is arranged at the track; the side of the foam rubber close to the headrest is bent to form a bent part extending into the open end of the box body. The structure is simple, and the installation is convenient; the box edge can be wrapped to the flexion of foamed rubber, need not contact with the box edge when patient's arm is put into the box, makes the patient more comfortable.
As a further improvement of the present invention, the bottom plate comprises a hollow wide plate and a hollow narrow plate arranged along the length direction of the box body, the box body is positioned on the upper side of the hollow wide plate, the long side of the hollow wide plate and the long side of the hollow narrow plate are integrally connected, the groove is positioned at the interconnection position of the hollow wide plate and the hollow narrow plate, and the track is a slot opened on the top wall of the hollow wide plate; the headrest comprises a pillow and an adjusting rod, the height of the pillow is adjustable and mounted on the adjusting rod, and the lower end of the adjusting rod penetrates through the open groove and is limited in the inner cavity of the hollow wide plate. Simple structure, and is convenient for the movement and adjustment of the headrest.
As a further improvement of the utility model, the adjusting rod includes loop bar and inserted bar, and the bottom suit of pillow is on the loop bar, and the lower extreme of loop bar passes the lower extreme of fluting and loop bar and is connected with the shelves pole perpendicularly, and the shelves pole is located the inner chamber of cavity wide plate, and there is the trompil along vertical interval distribution on the upper portion of loop bar, and the inserted bar is selectively inserted and is arranged in corresponding trompil. Simple structure and convenient height adjustment of the headrest.
As a further improvement of the utility model, the loop bar is provided with a first scale which is distributed at intervals in the vertical direction. The height of the headrest is adjusted by scale marks, and the repeatability of the positioning is ensured.
As a further improvement of the utility model, the top wall upper surface of the hollow wide plate is provided with a second scale distributed at intervals along the length direction of the box body beside the slot, and the backboard is provided with a third scale distributed at intervals along the length direction of the box body. The front and back movement (namely the movement direction close to and far away from the box body) of the headrest is adjusted to be provided with scale marks, and the repeatability of the positioning is ensured.
As a further improvement of the present invention, the box body includes a top plate, a bottom plate and two side plates vertically connecting the top plate and the bottom plate, the bottom plate extends beyond the top plate to form an extension portion for blocking the pillow toward the pillow at the headrest side, and the back plate and the scattering screen are attached to the two side plates and are vertically connected to the bottom plate and the extension portion. The extending part can prevent the pillow from being close to the box body and provide a space for the arms to extend into the box body.
As a further improvement of the utility model, the box, the back board, the scattering screen and the leg-separating stool are all made of machine glass, the leg-separating stool comprises two risers and a leg-separating board connected to the upper ends of the two risers, and the two risers are placed on the top surface of the top board and are respectively tightly attached to the back board and the scattering screen. Organic glass can ensure that all parts of the body of a patient can obtain uniform dosage rate; the leg-separating stool is tightly attached to the backrest plate and the scattering screen, can be firmly positioned and is not easy to shift.
As a further improvement of the utility model, the length of the scattering screen along the length direction of the box body is greater than the length of the backboard along the length direction of the box body, and is greater than the sum of the lengths of the pillow and the box body. The light divergence range can be enlarged, and the uniform dosage rate can be obtained for each part of the body of the patient.
As a further improvement of the utility model, the scattering screen side corresponds the position with the pillow and has vertical arrangement's the plumbous male gap of confession rectangular cylinder, and spacing recess is the arc recess. The slit is convenient for inserting the long-strip cylindrical lead, so that the crystalline lens of the patient is protected; the arc recess suits with the human body shape, can keep the patient in the lateral position more firmly, prevents effectively that the patient from empting.
Compared with the prior art, the utility model discloses a position fixing device for whole-body radiotherapy's beneficial effect as follows:
(1) the function of the foaming adhesive is three, firstly, the body of a patient is effectively fixed, the danger caused by the movement of the patient is avoided, the repeatability is ensured, a doctor who is convenient to calculate the radiation dose, the irradiation precision is increased, secondly, the comfort in the treatment process of the patient is increased, and thirdly, the foaming adhesive is not easy to deform and leak gas.
(2) The split footstool enables uniform irradiation and improves the comfort of the patient, so that the body position of the patient with weak body can be kept stable for a long treatment time.
(3) Besides the scattering effect, the scattering screen can also be used for fixing the foaming adhesive and the patient together with the backboard, so that the patient is prevented from moving and even falling down due to long-time lateral lying, and the accuracy and the safety are further improved.
(4) The headrest can be movably adjusted, so that the sitting comfort is ensured.
(5) The stops hold the patient's chest wall 1/3 against and against the patient's chest wall, firmly securing the patient in position while also preventing a weak patient from falling sideways.
The invention will become more apparent from the following description when taken in conjunction with the accompanying drawings which illustrate embodiments of the invention.
Drawings
Fig. 1 is a perspective view of a postural support device for whole-body radiation therapy.
Fig. 2 is a perspective view of the base plate.
Fig. 3 is a perspective view of the foamed rubber.
Fig. 4 is a perspective view of the side bed.
Fig. 5 is a perspective view of the headrest.
Fig. 6 is a perspective view of a diffuser screen.
Fig. 7 is a perspective view of the leg-separating stool.
The reference numbers illustrate: the folding bed comprises a bottom plate 1, a hollow wide plate 1a, a hollow narrow plate 1b, a groove 11, a track 12, a second scale 13, a side lying bed body 2, a box body 21, a top plate 211, a bottom plate 212, an extending part 2121, a side plate 213, a backrest plate 22, a third scale 221, foam rubber 23, a limiting groove 231, a stopping part 232, a bending part 233, a headrest 3, a gap 3a, a pillow 31, an adjusting rod 32, a loop rod 321, an opening 3211, a first scale 3212, an inserting rod 322, a blocking rod 323, a scattering screen 4, a gap 41, a leg separating stool 5, a vertical plate 51 and a leg separating plate 52.
Detailed Description
Embodiments of the present invention will now be described with reference to the drawings, wherein like element numerals represent like elements throughout.
Referring to fig. 1 to 7, the posture fixing device for whole body radiotherapy comprises a base plate 1, a side-lying bed body 2, a headrest 3, a scattering screen 4 and a leg-separating stool 5.
The bottom plate 1 is a lengthwise template, the top surface of the bottom plate 1 is recessed along the length direction to form a groove 11, and the top surface of the bottom plate 1 is also provided with a track 12 which is arranged along the length direction and is positioned beside the groove 11. The bottom plate 1 comprises a hollow wide plate 1a and a hollow narrow plate 1b which are arranged along the length direction, the long sides of the hollow wide plate 1a and the hollow narrow plate 1b are integrally connected, a groove 11 is positioned at the interconnection position of the hollow wide plate 1a and the hollow narrow plate 1b, and the groove 11 penetrates through the two ends of the bottom plate 1 in the length direction. The rail 12 is a slot opened on the top wall of the hollow wide plate 1 a. And second scales 13 distributed at intervals along the length direction of the box body are arranged beside the open slot on the upper surface of the top wall of the hollow wide plate 1 a.
The side lying bed body 2 comprises a box body 21, a backrest plate 22 and foam rubber 23. The box body 21 and the backrest plate 22 are both of a longitudinal structure and made of organic glass. The box 21 is installed on the upper side of the hollow wide plate 1a of the bottom plate 1, two ends of the box 21 in the length direction are open, one end of the box 21 in the length direction is a bed head, and the other end of the box is a bed tail. The tank 21 includes a top plate 211, a bottom plate 212, and two side plates 213 vertically connecting the top plate 211 and the bottom plate 212, the bottom plate 212 extending beyond the top plate 211 at the head end to form an extension 2121. The back plate 22 is located on one side in the width direction of the case 21 and is closely attached to the side plate 213 on the side and is connected to the back plate 22 perpendicularly to the bottom plate 212 and the extension 2121. The backboard 22 is provided with scales three 221 distributed at intervals along the length direction of the box body 21, and the scales three 221 are used for recording the corresponding positions of the DR board box on the scales three 221 during positioning exposure before treatment so as to verify whether the lung lead block is positioned correctly at the corresponding positions. The foaming adhesive 23 is located on the upper side of the box body 21 and distributed along the length direction of the box body 21, one end of the foaming adhesive 23 is located at the head of the bed of the box body 21, and the other end of the foaming adhesive 23 is close to the bed end of the box body 21 but has a certain distance with the bed end. The top surface of the foam rubber 23 is recessed to form a limiting groove 231, the limiting groove 231 is an arc-shaped groove, the foam rubber 23 is tightly attached to the backrest plate 22 along one side of the width direction of the box body 21, and the other side of the foam rubber 23 along the width direction of the box body 21 extends upwards to form a stopping part 232 capable of stopping the chest wall 1/3 of the patient, so that the patient is prevented from tilting and even falling. The stopper 232 extends to the bedside position along one side of the length direction of the case 21, and the stopper 232 extends to the middle position of the foam rubber 23 along the other side of the length direction of the case 21. The headrest 3 side of the foam rubber 23, that is, the headrest end bends towards the bed tail direction to form a bending part 233, the bending part 233 extends into the box body 21 from the open head of the box body 21, the bending part 233 can wrap the edge of the box body 21, and the arm of a patient does not need to contact with the edge of the box body 21 when being placed into the box body 21, so that the patient feels more comfortable.
The head rest 3 is located at the head end of the box 21 and is movably mounted on the base plate 1 at the rail 12 with a gap 3a of variable size from the box 21, the extension serving to block the pillow 31. The moving direction of the headrest 3 is the head and tail direction of the box body 21, and the headrest can approach to or be far away from the box body 21 during moving, so that the headrest can be adjusted according to the heights of different patients. The headrest 3 comprises a pillow 31 and an adjusting rod 32, the height of the pillow 31 is adjustable and mounted on the adjusting rod 32, and the lower end of the adjusting rod 32 penetrates through the groove and is limited in the inner cavity of the hollow wide plate 1 a. The adjustment lever 32 includes a loop bar 321 and an insert bar 322. The bottom of the pillow 31 is sleeved on the sleeve rod 321, the upper part of the sleeve rod 321 is provided with openings 3211 which are distributed along the vertical direction at intervals, the insertion rod 322 is selectively inserted into the corresponding opening 3211, and the height of the headrest 3 can be adjusted according to the openings 3211 at different positions where the insertion rod 322 is inserted, so that the height of the head of a patient sleeping on the pillow 31 can be adjusted, and the head comfort of different patients can be adjusted to find the most comfortable position. The sleeve rod 321 is provided with a first scale 3212 which is vertically distributed at intervals. The lower end of the loop bar 321 penetrates through the slot, the lower end of the loop bar 321 is vertically connected with a blocking rod 323, the blocking rod 323 and the loop bar 321 form an inverted T-shaped structure, the blocking rod 323 is located in the inner cavity of the hollow wide plate 1a to limit the headrest 3 to move along the slot, and the specific position of the headrest 3 moving along the slot can be known through the second scale 13, so that the position of the headrest 3 and the size of the gap 3a between the headrest 3 and the box body 21 can be conveniently adjusted.
The scattering screen 4 is located on the other side of the width direction of the box body 21, the scattering screen 4 is tightly attached to the side plate 213 on the other side of the box body 21 and the outer side surface of the stop part 232, the scattering screen 4 is perpendicular to the bottom plate 1, the lower edge of the scattering screen 4 is embedded and fixed in the groove 11 on the upper side of the bottom plate 1, the width of the groove 11 is slightly larger than the thickness of the scattering screen 4, and the thickness of the scattering screen 4 is 12 mm. The scattering screen 4 is made of organic glass. The length of the scattering screen 4 along the length direction of the box body 21 is greater than the length of the backboard 22 along the length direction of the box body 21 and is greater than the sum of the lengths of the pillow 31 and the box body 21, one side of the scattering screen 4 along the length direction of the box body 21 is positioned at the bed tail of the box body 21, the other side of the scattering screen 4 along the length direction of the box body 21 exceeds the bed head of the box body 21 and the pillow 31, and the pillow 31 and the box body 21 can be completely shielded. The outer side surface of the scattering screen 4 is provided with a vertically arranged gap 41 for inserting the long-strip cylindrical lead at the position corresponding to the pillow 31, and the lens of the patient can be protected after the long-strip cylindrical lead is inserted into the gap 41.
The leg-separating stool 5 is positioned at the position, close to the bed tail of the box body 21, on the upper side of the box body 21, the leg-separating stool 5 is also positioned between the backrest plate 22 and the scattering screen 4 and is tightly attached to the backrest plate 22 and the scattering screen 4, and the foam rubber 23 is positioned between the pillow 31 and the leg-separating stool 5. The leg-separating stool 5 comprises two vertical plates 51 and a leg-separating plate 52 connected to the upper ends of the two vertical plates 51, the two vertical plates 51 are placed on the top surface of the top plate 211 and are respectively tightly attached to the backrest plate 22 and the scattering screen 4, the size of each vertical plate 51 is 170 mm multiplied by 250mm, and the size of each leg-separating plate 52 is 250mm multiplied by 500mm and the thickness of each leg-separating plate is 10 mm. The vertical plate 51 and the leg separating plate 52 of the leg separating stool 5 are made of organic glass, so that the dosage is uniform, and the patient feels more comfortable.
The use method of the posture fixing device for the whole body radiotherapy comprises the following steps:
preparation stage (X-ray simulation positioning machine):
1. the whole body position fixing device for whole-body radiotherapy is firstly placed on a positioning bed, and the longitudinal direction (length direction) is parallel to the middle laser line. The foam rubber cloth bag is placed on the box body 21.
2. Patient's right side clinging to backboard 22 perpendicularly, and the right hand stretches into in the box 21 from clearance 3a, and the left hand is stretched and is put in health one side, and adjustment headrest 3 is around (namely let headrest 3 be close to or keep away from box 21), height to reach the comfortable position of patient, lifts patient's left leg, puts on dividing leg board 52, and the right leg is put and is divided leg board 52 below and between two risers 51 to the record numerical value.
3. Marking the relative position of the patient and the foam adhesive cloth bag, waiting for the patient, pouring foam adhesive into the foam adhesive cloth bag, uniformly smearing the foam adhesive, lying down again by the patient according to the relative position, completely shaping the foam adhesive 3 at the stress point, blocking the chest wall 1/3 of the patient by the blocking part 232 of the foam adhesive 23, tightly adhering to the chest wall of the patient, fixing the position of the patient, and simultaneously preventing the weak patient from falling sideways until cooling and forming.
4. The patient is exposed on the chest, the height, the front and the back of the positioning bed are adjusted, the cross laser lamp is aligned to the chest position, the positioning frame is simulated to be 270 degrees, the exposure is carried out, the positions of the two lungs are confirmed by opening the field, and the marking pen is used for marking on the human body.
5. The DR film box is inserted into the image intensifier, and the side lying film is photographed. The corresponding position of the DR plate cassette on scale three 221 is recorded. And drawing the positions of the two lungs according to the DR film to manufacture the lung lead stop block.
6. The body thickness of the patient is measured by a pelvis ruler, and the solid water with the corresponding thickness simulates the patient to measure the required accelerator jump number MU.
Treatment phase (linear accelerator room):
7. in the linear accelerator room, the accelerator frame is rotated by 90 degrees or 270 degrees, and the collimator is rotated by 45 degrees or 135 degrees. The position of the body position fixing device for whole-body radiotherapy is adjusted, the parameters of the body position fixing device are set to be consistent with those of positioning, a patient lies according to the requirement of simulated positioning, long-strip cylindrical lead is inserted into the gap 41 to shield the crystalline lens, the DR plate box is placed at the position where recording is well done in the front (namely step 5), the lung lead stop block is moved to the corresponding position and fixed on the scattering screen 4 according to the marking line on the patient, and the machine outputs 25MU to verify whether the position of the lung lead stop block is correct.
8. The beam-out treatment is started after the steps are smoothly completed.
9. And (3) changing the right side lying into the left side lying for back treatment, removing the DR film box without blocking the lung and the crystal, and repeating the steps 1, 2, 3 and 7.
The present invention has been described above with reference to the preferred embodiments, but the present invention is not limited to the above-disclosed embodiments, and various modifications, equivalent combinations, which are made according to the essence of the present invention, should be covered.
Claims (10)
1. A postural support device for whole-body radiation therapy, comprising: the bed comprises a bottom plate, a side lying bed body, a headrest, a scattering screen and a leg separating stool; the side-lying bed body comprises a box body, a backrest plate and foam rubber, the box body is installed on the upper side of a bottom plate, two ends of the box body in the length direction are open, a headrest is movably installed on the bottom plate at one end of the box body in the length direction and has a gap with a variable size with the box body, a scattering screen is fixed on the upper side of the bottom plate at one side of the box body in the width direction and clings to the side face of the box body, the backrest plate is connected to the other side of the box body in the width direction, the foam rubber and a leg dividing stool are both located on the upper side of the box body and between the backrest plate and the scattering screen and cling to the backrest plate and the scattering screen, the foam rubber is located between the headrest and the leg dividing stool, the top surface of the foam rubber is sunken to form a limiting groove, the side.
2. A postural support device for whole body radiation therapy according to claim 1, wherein: the top surface of the bottom plate is sunken along the length direction of the box body to form a groove, the lower edge of the scattering screen is embedded and fixed in the groove, the top surface of the bottom plate is also provided with a track which is arranged beside the groove along the length direction of the box body, and the headrest is arranged at the track; the side of the foam rubber close to the headrest is bent to form a bent part extending into the open end of the box body.
3. A postural support device for whole body radiation therapy according to claim 2, wherein: the bottom plate comprises a hollow wide plate and a hollow narrow plate which are arranged along the length direction of the box body, the box body is positioned on the upper side of the hollow wide plate, the long side of the hollow wide plate is integrally connected with the long side of the hollow narrow plate, the groove is positioned at the interconnection part of the hollow wide plate and the hollow narrow plate, and the rail is a slot formed in the top wall of the hollow wide plate; the headrest comprises a pillow and an adjusting rod, the height of the pillow is adjustable and mounted on the adjusting rod, and the lower end of the adjusting rod penetrates through the open groove and is limited in the inner cavity of the hollow wide plate.
4. A postural support device for whole body radiation therapy according to claim 3, wherein: the adjusting rod comprises a loop bar and an inserting rod, the bottom of the pillow is sleeved on the loop bar, the lower end of the loop bar penetrates through the groove, the lower end of the loop bar is vertically connected with a blocking rod, the blocking rod is located in the inner cavity of the hollow wide plate, the upper portion of the loop bar is provided with holes which are distributed at intervals along the vertical direction, and the inserting rod is selectively inserted into the corresponding holes.
5. A postural support device for whole body radiation therapy according to claim 4, wherein: the sleeve rod is provided with first scales which are vertically distributed at intervals.
6. A postural support device for whole body radiation therapy according to claim 4, wherein: the upper surface of the top wall of the hollow wide plate is provided with second scales which are distributed at intervals along the length direction of the box body beside the open groove, and the backrest plate is provided with third scales which are distributed at intervals along the length direction of the box body.
7. A postural support device for whole body radiation therapy according to claim 4, wherein: the box body comprises a top plate, a bottom plate and two side plates vertically connected with the top plate and the bottom plate, the bottom plate extends towards the pillow at the side of the back cushion to exceed the top plate to form an extension part for blocking the pillow, and the back cushion and the scattering screen are tightly attached to the two side plates and are vertically connected with the back cushion, the bottom plate and the extension part.
8. A postural support device for whole body radiation therapy according to claim 7, wherein: the box body, the backrest plate, the scattering screen and the leg-dividing stool are all made of machine glass, the leg-dividing stool comprises two vertical plates and a leg-dividing plate connected to the upper ends of the two vertical plates, and the two vertical plates are placed on the top surface of the top plate and are tightly attached to the backrest plate and the scattering screen respectively.
9. A body position posture fixation device for whole body radiation therapy as claimed in any one of claims 1 to 8, wherein: the length of the scattering screen along the length direction of the box body is greater than the length of the back board along the length direction of the box body, and is greater than the sum of the lengths of the pillow and the box body.
10. A postural support device for whole body radiation therapy according to claim 9, wherein: the side of the scattering screen is provided with a vertically arranged gap for inserting the long-strip cylindrical lead at the position corresponding to the pillow, and the limiting groove is an arc-shaped groove.
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CN202020803719.XU CN212327214U (en) | 2020-05-14 | 2020-05-14 | Body position fixing device for whole-body radiotherapy |
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CN202020803719.XU CN212327214U (en) | 2020-05-14 | 2020-05-14 | Body position fixing device for whole-body radiotherapy |
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