Body adaptive frame for breast radiotherapy positioning bracket
By designing the driving and clamping mechanism of the body adapter for breast radiotherapy positioning bracket, the problem of patient positional deviation during radiotherapy was solved, thereby improving the accuracy and comfort of radiotherapy.
Patent Information
- Application Number
- CN202422830554.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-20
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-11-20
AI Technical Summary
During radiotherapy, patients' involuntary movements can cause positional shifts, affecting the accuracy of radiotherapy and patient comfort, and increasing the difficulty of the work for medical staff.
A body adapter for a breast radiotherapy positioning bracket was designed, comprising a drive mechanism, a flipping mechanism, and a clamping mechanism. The drive mechanism restricts arm movement, and the clamping mechanism fixes the body to prevent involuntary movements.
It effectively restricts the movement of the patient's arms and body, ensuring the stability of the body position during radiotherapy, and improving the accuracy of treatment and patient comfort.
Smart Images
Figure CN223627965U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to radiotherapy positioning technical field, concretely is a body adapter for breast radiotherapy positioning bracket. BACKGROUND
[0002] In the precise radiotherapy of malignant tumor, the fixation of the body position of the patient can reduce the involuntary movement of the body position of the patient during radiotherapy, thereby ensuring that the actual irradiation range of the beam is consistent with the planning target volume as much as possible, and the radiotherapy body position fixation is particularly important.
[0003] In the radiotherapy work, the patient usually needs to keep a fixed posture for a long time, which often causes their muscles to be stiff or feel uncomfortable. In order to alleviate this discomfort, the patient may unconsciously make adjustments, which are small enough to cause a relative shift between the patient and the radiotherapy instrument, thereby affecting the accuracy of radiotherapy, reducing the treatment effect and satisfaction, increasing the difficulty of the work of medical staff, and also bringing additional pain and distress to the patient. SUMMARY
[0004] The utility model aims at providing a body adapter for breast radiotherapy positioning bracket to solve the problems in the above background.
[0005] To achieve the above object, the utility model provides the following technical scheme: a body adapter for breast radiotherapy positioning bracket, including the lying plate suitable for the positioning bracket, also including: the headrest frame fixed on the surface of the lying plate for placing the head, the surface of both sides of the lying plate is provided with the driving mechanism, the surface of one side driving mechanism is provided with the turnover mechanism for limiting the hand of the patient, the surface of the other side driving mechanism is provided with the clamping mechanism for clamping the body of the patient.
[0006] Preferably, the driving mechanism comprises a driving rod rotating on both sides of the surface of the lying plate, one end of the driving rod is fixed with a rotating disc, the surface of the driving rod is fixed with a worm, and the surface of the worm is engaged with a worm wheel.
[0007] Preferably, the turnover mechanism comprises a first driving rotating rod fixed in the inner cavity of one side worm wheel, the other end of the first driving rotating rod is fixed with a driving gear, the surface of the driving gear is engaged with a driven gear, the inner cavity of the driven gear is fixed with a driven rotating rod, the surface of the driven rotating rod is fixed with a hinged rod, the surface of the hinged rod is fixed with a limiting cover, the other side of the surface of the driven rotating rod is provided with a driving rod through bevel gear drive, and the driven rotating rod, the hinged rod and the limiting cover are also arranged on the other end of the driving rod.
[0008] Preferably, the surface of the rotating disc is fixed with a handle, and the surface of the handle is rotatably provided with a sleeve.
[0009] Preferably, the clamping mechanism comprises a second driving rotating rod fixed in the inner cavity of the other side worm wheel, the other end of the second driving rotating rod is provided with an auxiliary rotating rod through a bevel gear transmission, the surfaces of the auxiliary rotating rod are fixed with threaded bodies on both sides, the surfaces of the threaded bodies are engaged with engaging blocks, the surface of the engaging block is fixed with a driving block, the surface of the driving block is fixed with a plurality of telescopic rods, the other end of the telescopic rod is fixed with a clamping block, and the surface of the telescopic rod is sleeved with a spring.
[0010] Preferably, the surface of the clamping block is movably provided with protective cotton.
[0011] Compared with the prior art, the utility model has the advantages that:
[0012] The utility model discloses in using, the staff can drive the turnover mechanism to the arm of patient and limit through one side drive mechanism, and then avoid the movement of the arm of patient and lead to the movement of the chest, in addition still can under the action of the drive mechanism of the other side, make the clamping mechanism limit the body of patient, further avoid the action adjustment of patient unconsciously. ACCURATE DRAWINGS
[0013] Figure 1 It is the three-dimensional structure schematic diagram in the utility model;
[0014] Figure 2 It is the three-dimensional structure schematic diagram of lying plate after cutting open in the utility model;
[0015] Figure 3 It is the partial three-dimensional structure schematic diagram in the utility model;
[0016] Figure 4 It is the partial three-dimensional structure schematic diagram in the utility model.
[0017] In the drawing: 1, lying plate;2, headrest frame;3, drive mechanism;31, rotating disc;32, driving rod;33, worm;34, worm wheel;4, turnover mechanism;41, first driving rotating rod;42, driving gear;43, driven gear;44, driven rotating rod;45, hinged rod;46, limit cover;47, driving rod;5, handle;6, clamping mechanism;61, second driving rotating rod;62, auxiliary rotating rod;63, threaded body;64, engaging block;65, driving block;66, telescopic rod;67, spring;68, clamping block;7, protective cotton. CONCRETE IMPLEMENTATIONS
[0018] In order to further explain the technical means and effects of the utility model for realizing the predetermined utility model purposes, the specific implementation, structure, features and effects according to the utility model are described in detail as follows by combining with the drawings and preferred embodiments.
[0019] Please refer toFigures 1-4 The utility model discloses a body adapter for breast radiotherapy positioning bracket, including the lying plate 1 suitable for positioning bracket, the surface of lying plate 1 is fixed with the headrest frame 2 for placing head, both sides of lying plate 1 surface are provided with drive mechanism 3, the surface of one side drive mechanism 3 is provided with the turnover mechanism 4 for limiting patient's hand, the surface of the other side drive mechanism 3 is provided with the clamping mechanism 6 for clamping patient's body, the utility model discloses when using, the staff can drive turnover mechanism 4 to the arm of patient and carry out the limitation through one side drive mechanism 3, further avoid the movement of the arm of patient and cause the movement of chest, in addition can also under the action of the other side drive mechanism 3, make clamping mechanism 6 limit the body of patient, further avoid the action adjustment of patient unconsciously.
[0020] Drive mechanism 3 includes the driving link 32 that rotates in the surface both sides of lying plate 1, the one end of driving link 32 is fixed with carousel 31, the surface of driving link 32 is fixed with worm 33, the surface of worm 33 is engaged with worm wheel 34, in the embodiment, through the setting of carousel 31, driving link 32, worm 33 and worm wheel 34, through the setting of carousel 31, driving link 32, worm 33 and worm wheel 34, when carousel 31 occurs rotation, the worm 33 fixed on the surface of driving link 32 can be engaged with worm wheel 34, further make worm wheel 34 rotate, in addition worm 33 and worm wheel 34 have one-way locking.
[0021] Turnover mechanism 4 includes the first driving link 41 fixed in one side worm wheel 34 inner chamber, the other end of first driving link 41 is fixed with driving gear 42, the surface of driving gear 42 is engaged with driven gear 43, the inner chamber of driven gear 43 is fixed with driven link 44, the surface of driven link 44 is fixed with articulated rod 45, the surface of articulated rod 45 is fixed with limit cover 46, the other side of driven link 44 surface is provided with driving link 47 through bevel gear drive, driven link 44, articulated rod 45 and limit cover 46 are also provided with driving link 47 the other end, in the embodiment, through the setting of first driving link 41, driving gear 42, driven gear 43, driven link 44, articulated rod 45, limit cover 46 and driving link 47, when one side worm wheel 34 rotates, the first driving link 41 fixed in the inner chamber of this side worm wheel 34 can rotate, and the driving gear 42 and driven gear 43 fixed on the surface of first driving link 41 are engaged, so that driven link 44 and driving link 47 rotate under the action of driven gear 43, further under the action of articulated rod 45, limit cover 46 presses the hand of patient, reaches the effect of limiting patient's hand movement.
[0022] The surface of the rotating disc 31 is fixed with the handle 5, and the surface of the handle 5 is rotatably provided with a sleeve. In this embodiment, the handle 5 is arranged to facilitate the rotation of the rotating disc 31 by the staff, thereby improving the practicability of the device.
[0023] The clamping mechanism 6 comprises a second driving rotating rod 61 fixed in the inner cavity of the other side worm wheel 34. The other end of the second driving rotating rod 61 is provided with an auxiliary rotating rod 62 through a bevel gear transmission. The surface of the auxiliary rotating rod 62 is fixed with a threaded body 63 on both sides. The surface of the threaded body 63 is engaged with an engaging block 64. The surface of the engaging block 64 is fixed with a driving block 65. The surface of the driving block 65 is fixed with a plurality of telescopic rods 66. The other end of the telescopic rod 66 is fixed with a clamping block 68. The surface of the telescopic rod 66 is sleeved with a spring 67. In this embodiment, the second driving rotating rod 61, the auxiliary rotating rod 62, the threaded body 63, the engaging block 64, the driving block 65, the telescopic rod 66, the spring 67 and the clamping block 68 are arranged. When the other side worm wheel 34 rotates, the second driving rotating rod 61 fixed in the inner cavity of the worm wheel 34 can rotate. Under the action of the bevel gear, the auxiliary rotating rod 62 rotates. The threaded body 63 fixed on both sides of the surface of the auxiliary rotating rod 62 can engage with the engaging block 64. Under the action of the thread force, the driving block 65 drives the plurality of telescopic rods 66 to move, so that the two clamping blocks 68 clamp the patient's body. In addition, under the action of the spring 67 and the clamping block 68, the clamping force of the clamping block 68 on the patient's body is avoided.
[0024] The surface of the clamping block 68 is movably provided with the protective cotton 7. In this embodiment, when the clamping block 68 clamps the patient's body, the comfort of the clamping block 68 clamping the patient's body can be improved under the action of the protective cotton 7.
[0025] Working principle: when the patient carries out breast radiotherapy, the staff can guide the patient to lie on the surface of the lying plate 1, then the patient places the head on the surface of the headrest frame 2, then the patient holds the arms over the head, and uses the driving mechanism 3 connected with the turning mechanism 4, under the action of the handle 5, the rotating disc 31 rotates, then under the action of the driving rod 32, the worm 33 and the worm wheel 34, the first driving rotating rod 41 rotates, under the action of the driving gear 42, the driven gear 43, the driven rotating rod 44, the hinged rod 45 and the driving rod 47, the two side limiting covers 46 cover the patient's arms, so as to limit the patient's arms, in addition, the staff can use the driving mechanism 3 connected with the clamping mechanism 6, under the action of the handle 5, the rotating disc 31 rotates, then under the action of the driving rod 32, the worm 33 and the worm wheel 34, the second driving rotating rod 61 rotates, under the action of the auxiliary rotating rod 62, the threaded body 63, the meshing block 64, the driving block 65, the telescopic rod 66 and the spring 67, the two side clamping blocks 68 clamp the patient's body, so as to avoid the patient's body moving during radiotherapy, thereby affecting the radiotherapy and positioning effect.
[0026] The above is only the preferred embodiment of the present application, and does not limit the present application in any form. Although the preferred embodiment of the present application has been disclosed, it is not intended to limit the present application. Any person skilled in the art can make some changes or modifications to the above disclosed technical content without departing from the scope of the present application. Any modification, equivalent change and modification of the above embodiment, which does not depart from the technical solution of the present application, is still within the scope of the present application.
Claims
1. A body adapter for a breast radiotherapy positioning cradle, comprising a couch (1) adapted for use with a positioning cradle, characterised in that, Also include: Headrest frame (2) is fixed to the surface of the lying plate (1) for placing head, both sides of the surface of the lying plate (1) are provided with driving mechanism (3), the surface of one side of the driving mechanism (3) is provided with turnover mechanism (4) for limiting patient's hand, the surface of the other side of the driving mechanism (3) is provided with clamping mechanism (6) for clamping patient's body.
2. The body adapter for breast radiotherapy positioning cradle according to claim 1, wherein: The driving mechanism (3) comprises a driving rod (32) rotating on both sides of the surface of the lying plate (1), one end of the driving rod (32) is fixed with a rotating disc (31), the surface of the driving rod (32) is fixed with a worm (33), the surface of the worm (33) is engaged with a worm gear (34).
3. A body adapter for a breast radiotherapy positioning cradle according to claim 2, characterised in that: The turnover mechanism (4) comprises a first driving rotating rod (41) fixed in the inner cavity of one side of the worm gear (34), the other end of the first driving rotating rod (41) is fixed with a driving gear (42), the surface of the driving gear (42) is engaged with a driven gear (43), the inner cavity of the driven gear (43) is fixed with a driven rotating rod (44), the surface of the driven rotating rod (44) is fixed with a hinged rod (45), the surface of the hinged rod (45) is fixed with a limiting cover (46), the other side of the surface of the driven rotating rod (44) is provided with a driving rod (47) through bevel gear transmission, the driven rotating rod (44), the hinged rod (45) and the limiting cover (46) are also provided on the other end of the driving rod (47).
4. The body adapter for breast radiotherapy positioning cradle of claim 2, wherein: The surface of the rotating disc (31) is fixed with a handle (5), the surface of the handle (5) is rotatably provided with a sleeve.
5. The body adapter for breast radiotherapy positioning cradle of claim 2, wherein: The clamping mechanism (6) comprises a second driving rotating rod (61) fixed in the inner cavity of the other side of the worm gear (34), the other end of the second driving rotating rod (61) is provided with an auxiliary rotating rod (62) through bevel gear transmission, both sides of the surface of the auxiliary rotating rod (62) are fixed with a threaded body (63), the surface of the threaded body (63) is engaged with an engagement block (64), the surface of the engagement block (64) is fixed with a driving block (65), the surface of the driving block (65) is fixed with a plurality of telescopic rods (66), the other end of the telescopic rod (66) is fixed with a clamping block (68), the surface of the telescopic rod (66) is sleeved with a spring (67).
6. A body adapter for a breast radiotherapy positioning cradle according to claim 5, characterised in that: The surface of the clamping block (68) is movably provided with a protective cotton (7).