CN216571250U - Fixing device for radiation therapy of thoracic, abdominal and pelvic tumors - Google Patents
Fixing device for radiation therapy of thoracic, abdominal and pelvic tumors Download PDFInfo
- Publication number
- CN216571250U CN216571250U CN202122757813.3U CN202122757813U CN216571250U CN 216571250 U CN216571250 U CN 216571250U CN 202122757813 U CN202122757813 U CN 202122757813U CN 216571250 U CN216571250 U CN 216571250U
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- Prior art keywords
- guide rail
- knee pillow
- sliding block
- base plate
- abdominal
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- 206010061336 Pelvic neoplasm Diseases 0.000 title claims abstract description 23
- 230000003187 abdominal effect Effects 0.000 title claims abstract description 14
- 210000000115 thoracic cavity Anatomy 0.000 title claims abstract description 14
- 208000006678 Abdominal Neoplasms Diseases 0.000 title claims abstract description 9
- 208000025426 neoplasm of thorax Diseases 0.000 title claims abstract description 9
- 201000003957 thoracic cancer Diseases 0.000 title claims abstract description 9
- 210000003127 knee Anatomy 0.000 claims abstract description 69
- 230000007246 mechanism Effects 0.000 claims abstract description 53
- 210000001698 popliteal fossa Anatomy 0.000 claims abstract description 19
- 239000000758 substrate Substances 0.000 claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims description 15
- 210000001015 abdomen Anatomy 0.000 claims description 11
- 210000000038 chest Anatomy 0.000 claims description 10
- 210000000689 upper leg Anatomy 0.000 claims description 6
- 229920001169 thermoplastic Polymers 0.000 claims description 5
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- 206010008342 Cervix carcinoma Diseases 0.000 description 1
- 206010021118 Hypotonia Diseases 0.000 description 1
- 208000005016 Intestinal Neoplasms Diseases 0.000 description 1
- 206010058467 Lung neoplasm malignant Diseases 0.000 description 1
- 208000006105 Uterine Cervical Neoplasms Diseases 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 201000010881 cervical cancer Diseases 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
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- Radiation-Therapy Devices (AREA)
Abstract
The utility model provides a fixing device for thoracic, abdominal and pelvic tumor radiotherapy, which comprises a base plate, a guide rail sliding block mechanism, a guide rail brake and a knee pillow, wherein the base plate is horizontally arranged, and a thoracic and abdominal flat frame and the knee pillow are arranged on the base plate; a guide rail sliding block mechanism is arranged between the knee pillow and the substrate, the knee pillow reciprocates along the length direction of the substrate through the guide rail sliding block mechanism, the guide rail sliding block mechanism is connected with a guide rail brake, and the knee pillow is limited on the substrate through the guide rail brake; the knee pillow is specially used for fixing the popliteal fossa of the patient during the radiation therapy of the thoracoabdominal pelvic tumor, the position and the height of the knee pillow for fixing the popliteal fossa of the patient are adjustable, and doctors are assisted in the radiation therapy of the thoracoabdominal pelvic tumor; the stability of the support and the accuracy of positioning are improved, the integral movement of the body of the patient is reduced, and the working efficiency of medical care personnel is improved; relieve the deformation of the body structure caused by the tension of the muscles on the back, support the natural extension of the two lower limbs of the patient and improve the comfort of the patient.
Description
Technical Field
The utility model belongs to the field of medical instruments, and particularly relates to a fixing device for thoracoabdominal pelvic tumor radiotherapy.
Background
Accurate posture fixation and accurate posture reduction of the patient are the prerequisites of accurate radiotherapy. During radiotherapy of thoracic, abdominal and pelvic tumors such as lung cancer, intestinal cancer and cervical cancer, a traditional body position fixing device is usually a vacuum pad, foamed rubber or a combined thermoplastic film of a thoracic and abdominal flat frame. The vacuum pad is time-consuming and labor-consuming to manufacture, long in positioning time and not easy to repeat, and the risk of air leakage exists. Once deflated, the radiotherapy plan can only be repositioned and re-created, affecting the patient's treatment. The foaming adhesive is not recyclable, the manufacturing process is irreversible, toxic substances volatilize in the manufacturing process, and the manufacturing has higher requirements on the experience of workers and the ventilation condition of the environment. The chest and abdomen flat frame is fixed by combining the thermoplastic films, the error of the head and foot directions of the swing is large, and the rotation error taking the head and foot directions as axes is easy to generate. The lower limbs of the patients are straightened naturally, effective fixation is not available, the randomness is strong, and once the patients move autonomously or not, the larger errors of the head and foot directions and all the rotation directions are easy to occur. Because the human body is a non-rigid structure, the human body is extruded by the fixator, and factors such as skin muscle relaxation and deformation can cause larger positioning errors. The comfort of the patient after fixation at the recipient site is poor.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention is directed to a fixing device for radiation therapy of thoracic, abdominal and pelvic tumors, which is a knee pillow specially used for fixing the popliteal fossa of a patient during radiation therapy of thoracic, abdominal and pelvic tumors, wherein the height of the knee pillow part for fixing the popliteal fossa of the patient is adjustable to assist a physician in performing radiation therapy of thoracic, abdominal and pelvic tumors.
In order to achieve the purpose, the technical scheme of the utility model is realized as follows:
a fixing device for thoracic, abdominal and pelvic tumor radiotherapy comprises a base plate, a guide rail sliding block mechanism, a guide rail brake and a knee pillow, wherein the base plate is horizontally arranged, a thoracic and abdominal flat frame and the knee pillow are arranged on the base plate, and the thoracic and abdominal flat frame is assembled on the base plate through a fixing strip; a guide rail sliding block mechanism is arranged between the knee pillow and the substrate, the knee pillow reciprocates along the length direction of the substrate through the guide rail sliding block mechanism, the guide rail sliding block mechanism is connected with a guide rail brake, and the knee pillow is limited on the substrate through the guide rail brake; the cross section of the knee pillow is integrally triangular and comprises a front supporting part and a rear supporting part, and the front supporting part is higher than the rear supporting part.
Furthermore, the guide rail and slide block mechanism comprises a guide rail and a slide block, the guide rail is arranged on the base plate, the slide block is connected with the knee pillow, and the slide block is assembled on the guide rail and can move back and forth along the guide rail.
Further, the guide rail brake comprises a brake main body and a brake handle, wherein the brake main body comprises a spring and a screw rod.
Furthermore, the knee pillow is provided with a first lifting mechanism and a second lifting mechanism, the knee pillow is connected with a movable plate, the movable plate is connected with the first lifting mechanism and the second lifting mechanism, and the first lifting mechanism is positioned below the front supporting part and used for lifting the front supporting part; the second lifting mechanism is positioned below the rear supporting part and used for lifting the rear supporting part.
Furthermore, first elevating system and second elevating system include respectively, drive handle and the transmission part who is connected with drive handle, and the drive handle outside is provided with the rotation scale mark.
Furthermore, the transmission part comprises a lifting rod, a gear, a rack and a transmission shaft, the lifting rod is connected with the movable plate, the lifting rod is provided with the rack, the gear is meshed with the rack, the gear is connected with the transmission shaft, and the transmission shaft is connected with the driving handle.
Furthermore, the top of the knee pillow is provided with a thigh supporting surface, a popliteal fossa supporting arc surface and a shank supporting surface which are mutually connected.
Furthermore, two grooves are formed in the knee pillow, and the bottom surfaces of the grooves form a thigh supporting surface, a popliteal fossa supporting arc surface and a shank supporting surface.
Furthermore, the knee pillow is made of thermoplastic plates through an integral molding process.
Furthermore, the base plate is provided with scale marks and scale degrees, and the scale marks and the scale degrees are arranged along the length direction of the base plate and are close to the guide rail sliding block mechanism.
Compared with the prior art, the fixing device for the radiation therapy of the thoracoabdominal pelvic tumor has the following advantages:
(1) according to the utility model, through the base plate, the guide rail sliding block mechanism, the guide rail brake and the knee pillow, the knee pillow for fixing the popliteal fossa of the patient is adjustable in position and height, and the popliteal fossa of the patient is fixed during the radiation therapy of the thoracic and abdominal pelvic tumors, so that a larger positioning error is prevented, the stability of support and the accuracy of positioning are improved, the integral movement of the body of the patient is reduced, and the working efficiency of medical care personnel is improved; relieve the deformation of the body structure caused by the tension of the muscles on the back, support the natural extension of the two lower limbs of the patient and improve the comfort of the patient.
(2) The knee pillow is integrally formed, the structure is stable, the legs of a patient are placed on the knee pillow, the popliteal fossa is a rhombic depression in the back area of the knee, and is placed on a popliteal fossa support cambered surface, so that the fixing effect is improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a guide rail slider mechanism and a guide rail brake according to an embodiment of the present invention;
FIG. 3 is a schematic view of a knee pillow according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a first lifting mechanism and a second lifting mechanism according to an embodiment of the present invention;
FIG. 5 is a cross-sectional view of a knee pillow according to an embodiment of the present invention.
Description of reference numerals:
1-knee pillow; 2-a groove; 3-rear supporting part; 4-a front support part; 5-a first lifting mechanism; 6-a second lifting mechanism; 7-a base; 8-thigh support surface; 9-calf support surface; 10-a substrate; 11-a rail-slider mechanism; 12-chest and abdomen flat frame; 13-a guide-rail brake; 14-a fixation bar; 15-graduation line; 16-rotation scale line; 17-popliteal support arch; 101-a drive handle; 102-a drive shaft; 103-gear; 104-a rack; 105-a lifter; 106-movable plate; 201-brake body; 202-a brake handle; 203-a guide rail; 204-sliding block.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1 to 5, the knee pillow comprises a base plate 10, a guide rail sliding block mechanism 11, a guide rail brake 13 and a knee pillow 1, wherein the base plate 10 is horizontally arranged, a chest and abdomen flat frame 12 and the knee pillow 1 are arranged on the base plate 10, and the chest and abdomen flat frame 12 is assembled on the base plate 10 through a fixing strip 14; a guide rail sliding block mechanism 11 is arranged between the knee pillow 1 and the base plate 10, the knee pillow 1 reciprocates along the length direction of the base plate 10 through the guide rail sliding block mechanism 11, the guide rail sliding block mechanism 11 is connected with a guide rail brake 13, and the knee pillow 1 is limited on the base plate through the guide rail brake 13; the cross section of the knee pillow 1 is integrally triangular, and comprises a front supporting part 4 and a rear supporting part 3, wherein the front supporting part 4 is higher than the rear supporting part 3. Further, the rail-slider mechanism 11 includes a rail 203 and a slider 204, the rail 203 is disposed on the base plate 10, the slider 204 is connected to the knee pillow 1, and the slider 204 is mounted on the rail 203 and can reciprocate along the rail 203. The guide rail brake 13 comprises a brake body 201 and a brake handle 202, and a spring and a screw are arranged in the brake body 201.
When the therapeutic bed is used, a patient lies on the base plate 10, the base plate is horizontally and fixedly arranged on the therapeutic bed, the chest and abdomen of the patient are placed on the chest and abdomen flat frame 12, the chest and abdomen flat frame 12 is fixed on the base plate 10 through the fixing strips 14, and the chest and abdomen flat frame 12 is generally fixed by the fixing strips 14 in the existing radiotherapy equipment; the knee pillow 1 of the knee part is placed on the knee pillow 1; medical personnel move knee pillow 1 to suitable position through guide rail slider mechanism 11 to fix a position through guide brake 13, can realize that knee pillow 1 is applicable to different size patients for the position of base plate 10, improve the stability of support and the accuracy of location, reduce patient's health moving as a whole, improve medical personnel work efficiency.
The knee pillow 1 is provided with a first lifting mechanism 5 and a second lifting mechanism 6, the knee pillow 1 is connected with a movable plate 106, the movable plate 106 is connected with the first lifting mechanism 5 and the second lifting mechanism 6, and the first lifting mechanism 5 is positioned below the front supporting part 4 and used for lifting the front supporting part 4; the second lifting mechanism 6 is located below the rear support part 3 and is used for lifting the rear support part 3. The first lifting mechanism 5 and the second lifting mechanism 6 respectively comprise a driving handle 101 and a transmission part connected with the driving handle, and the outer side of the driving handle 101 is provided with a rotation scale mark 16. The transmission component comprises a lifting rod 105, a gear 103, a rack 104 and a transmission shaft 102, the lifting rod 105 is connected with a movable plate 106, the rack 104 is arranged on the lifting rod 105, the gear 103 is meshed with the rack 104, the gear 103 is connected with the transmission shaft 102, and the transmission shaft 102 is connected with the driving handle 101.
During the adjustment, refer to and rotate 16 rotation drive handles 101 of scale mark, drive preceding supporting part 4 through first elevating system 5 and rise to suitable position, rotate another drive handle 101, drive back supporting part 3 through second elevating system 6 and rise to suitable position, it is spacing to support for the popliteal fossa through knee pillow 1, the relative distance change of the popliteal fossa of human body and each internal organ is less, compare traditional chest abdomen flat rack behind the popliteal fossa is fixed and can reduce the pendulum position error of head and foot direction. After the lower limbs of a patient are lifted up, the hip pressure can be relieved by taking the knee pillow as a fixed fulcrum, the body deformation of the patient can be reduced, the lifting height of the knee pillow in the front and back direction is quantized by referring to the rotation scale lines 16, and the rotation errors in all directions are reduced. Because the knee pillow part position and the angle height are adjustable, the device can adapt to patients with different heights.
The top of the knee pillow 1 is provided with a thigh supporting surface 8, a popliteal fossa supporting arc surface 17 and a lower leg supporting surface 9 which are mutually connected. Two grooves 2 are arranged on the knee pillow 1, and the bottom surfaces of the grooves 2 form a thigh supporting surface 8, a popliteal fossa supporting arc surface 17 and a shank supporting surface 9. The knee pillow 1 is made of thermoplastic plates through an integral molding process. Knee pillow 1 is integrated into one piece, and the structure is firm, and patient's shank is placed on knee pillow 1, and the popliteal fossa is that the rhombus of knee back zone is sunken, and the popliteal fossa is arranged in the popliteal fossa and is supported cambered surface 17, improves fixed effect.
Still include base 7, base 7 level setting is located knee pillow 1 below, first elevating system 5 and second elevating system 6 set up in base 7. The substrate 10 is provided with scale marks 15 and scale degrees, and the scale marks and the scale degrees are arranged along the length direction of the substrate 10 and close to the guide rail sliding block mechanism 11; when medical personnel pass through guide rail slider mechanism 11 and remove knee pillow 1, reference scale mark 15 and scale number, further improve knee pillow 1 location accuracy.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. A fixing device for thoracic, abdominal and pelvic tumor radiotherapy is characterized in that: the knee pillow comprises a base plate (10), a guide rail sliding block mechanism (11), a guide rail brake (13) and a knee pillow (1), wherein the base plate (10) is horizontally arranged, and a chest and abdomen flat frame (12) and the knee pillow (1) are arranged on the base plate; the chest and abdomen flat frame (12) is assembled on the base plate (10) through a fixing strip (14); a guide rail sliding block mechanism (11) is arranged between the knee pillow (1) and the substrate (10), the knee pillow (1) moves back and forth along the length direction of the substrate (10) through the guide rail sliding block mechanism (11), the guide rail sliding block mechanism (11) is connected with a guide rail brake (13), and the knee pillow (1) is limited on the substrate through the guide rail brake (13); the cross section of the knee pillow (1) is integrally triangular, and comprises a front supporting part (4) and a rear supporting part (3), wherein the front supporting part (4) is higher than the rear supporting part (3).
2. The immobilization apparatus for thoraco-abdominal pelvic tumor radiotherapy according to claim 1, characterized in that: the guide rail sliding block mechanism (11) comprises a guide rail (203) and a sliding block (204), the guide rail (203) is arranged on the substrate (10), the sliding block (204) is connected with the knee pillow (1), and the sliding block (204) is assembled on the guide rail (203) and can move back and forth along the guide rail (203).
3. The immobilization apparatus for thoraco-abdominal pelvic tumor radiotherapy according to claim 1, characterized in that: the guide rail brake (13) comprises a brake main body (201) and a brake handle (202), and a spring and a screw rod are arranged in the brake main body (201).
4. The immobilization apparatus for thoraco-abdominal pelvic tumor radiotherapy according to claim 1, characterized in that: the knee pillow (1) is provided with a first lifting mechanism (5) and a second lifting mechanism (6), the knee pillow (1) is connected with a movable plate (106), the movable plate (106) is connected with the first lifting mechanism (5) and the second lifting mechanism (6), and the first lifting mechanism (5) is located below the front supporting part (4) and used for lifting the front supporting part (4); the second lifting mechanism (6) is positioned below the rear supporting part (3) and is used for lifting the rear supporting part (3).
5. The immobilization apparatus for thoraco-abdominal pelvic tumor radiotherapy according to claim 4, characterized in that: the first lifting mechanism (5) and the second lifting mechanism (6) respectively comprise a driving handle (101) and a transmission part connected with the driving handle, and rotation scale marks (16) are arranged on the outer side of the driving handle (101).
6. The immobilization apparatus of claim 5 for thoraco-abdominal pelvic tumor radiotherapy, characterized in that: the transmission component comprises a lifting rod (105), a gear (103), a rack (104) and a transmission shaft (102), the lifting rod (105) is connected with a movable plate (106), the lifting rod (105) is provided with the rack (104), the gear (103) is meshed with the rack (104), the gear (103) is connected with the transmission shaft (102), and the transmission shaft (102) is connected with the driving handle (101).
7. The immobilization apparatus for thoraco-abdominal pelvic tumor radiotherapy according to claim 1, characterized in that: the top of the knee pillow (1) is provided with a thigh supporting surface (8), a popliteal supporting arc surface (17) and a lower leg supporting surface (9) which are mutually connected.
8. The immobilization apparatus for thoraco-abdominal pelvic tumor radiotherapy according to claim 1, characterized in that: the knee pillow (1) is provided with two grooves (2), and the bottom surfaces of the grooves (2) form a thigh supporting surface (8), a popliteal fossa supporting arc surface (17) and a shank supporting surface (9).
9. The immobilization apparatus for thoraco-abdominal pelvic tumor radiotherapy according to claim 1, characterized in that: the knee pillow (1) is made of thermoplastic plates through an integral molding process.
10. The immobilization apparatus for thoraco-abdominal pelvic tumor radiotherapy according to claim 1, characterized in that: the base plate (10) is provided with scale marks (15) and scale degrees, and the scale marks and the scale degrees are arranged along the length direction of the base plate (10) and close to the guide rail sliding block mechanism (11).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202122757813.3U CN216571250U (en) | 2021-11-11 | 2021-11-11 | Fixing device for radiation therapy of thoracic, abdominal and pelvic tumors |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202122757813.3U CN216571250U (en) | 2021-11-11 | 2021-11-11 | Fixing device for radiation therapy of thoracic, abdominal and pelvic tumors |
Publications (1)
Publication Number | Publication Date |
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CN216571250U true CN216571250U (en) | 2022-05-24 |
Family
ID=81644097
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202122757813.3U Active CN216571250U (en) | 2021-11-11 | 2021-11-11 | Fixing device for radiation therapy of thoracic, abdominal and pelvic tumors |
Country Status (1)
Country | Link |
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CN (1) | CN216571250U (en) |
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2021
- 2021-11-11 CN CN202122757813.3U patent/CN216571250U/en active Active
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