Patient positioning mechanism applied to BNCT treatment

Abstract

The utility model discloses a patient positioning mechanism applied to BNCT treatment, which comprises a supporting component, and the supporting component comprises a base and a supporting seat arranged at the top of the base; the swinging part comprises a motor mounted in the supporting seat, a first conical tooth arranged on an output shaft of the motor, a second conical tooth in meshed connection with the first conical tooth and a rotating shaft penetrating through the second conical tooth, and one end of the rotating shaft extends to the outer side of the supporting seat and is connected with an irradiation bed; the device further comprises a plurality of limiting grooves formed in the top of the supporting seat and a universal ball seat arranged in any limiting groove, and the bottom of the irradiation bed can abut against the universal ball seat. Symmetrically distributed connecting lugs are arranged on the side surface of the universal ball seat, and the connecting lugs are installed at the bottom of the limiting groove. The bearing is mounted at the inner bottom of the supporting seat; the utility model has the beneficial effects that through the designed swinging part, the accurate positioning adjustment of the irradiation bed can be realized, and the complex requirements in BNCT treatment can be met.

Description

TECHNICAL FIELD

[0001] The utility model belongs to BNCT technical field, concretely relates to a patient positioning mechanism for BNCT treatment. BACKGROUND

[0002] BNCT can overcome some limitations of traditional radiotherapy and chemotherapy, traditional radiotherapy can kill tumor cells, but often also causes damage to normal tissues, and chemotherapy has the problem of cell drug resistance, and has greater side effects, BNCT effectively avoids these problems through its highly selective treatment method, in addition, BNCT also has significant curative effect on infiltrating cancer, multiple cancer, radiation-resistant cancer and other cancer types that are difficult to treat by traditional treatment methods.

[0003] The patent discloses a magnetic resonance guided boron neutron capture therapy system with publication number CN209253964U, the first function is realized as follows: according to the MRI signal collected by the MRI signal acquisition and storage module, a three-dimensional image is reconstructed through the image reconstruction module, and then the three-dimensional image reconstructed before clinical treatment is compared with the treatment planning image through the different medical image registration and comparison module, the different medical image registration and comparison module can identify and compare MRI, CT, PET and other images, once there is an obvious difference between the two images, the irradiation position can be adjusted by repositioning the patient, or the treatment bed, lifting device and movement mechanism are used to realize multi-degree-of-freedom movement in space, adjust the position of the patient relative to the BNCT treatment system, so that it matches the treatment planning system image, realizes IG-BNCT, and the patent has the following problems:

[0004] The irradiation bed can only perform simple lifting movement, and cannot realize more complex and accurate positioning adjustment, and such limitation not only affects the accuracy and safety of BNCT treatment, but also reduces the convenience of the treatment process. UTILITARY MODEL CONTENT

[0005] The utility model aims at providing a patient positioning mechanism for BNCT treatment, which can realize accurate positioning adjustment and meet the complex requirements in BNCT treatment.

[0006] To achieve the above object, the utility model provides the following technical scheme: a patient positioning mechanism for BNCT treatment, comprising

[0007] The support part comprises a base and a support seat arranged on the top of the base.

[0008] The swinging component includes a motor installed inside the support base, a first conical tooth disposed on the output shaft of the motor, a second conical tooth meshing with the first conical tooth, a rotating shaft passing through the second conical tooth, and one end of the rotating shaft extending to the outside of the support base and connected to an irradiation bed.

[0009] Preferably, it also includes a plurality of limiting grooves opened on the top of the support base, and a universal ball seat disposed in any one of the limiting grooves, the bottom of the irradiation bed being able to abut against the universal ball seat.

[0010] Preferably, the side surface of the universal ball seat is provided with symmetrically distributed connecting ears, and the connecting ears are installed at the bottom of the defined groove.

[0011] Preferably, it also includes a bearing installed at the bottom of the support base, with the other end of the shaft located inside the bearing.

[0012] Preferably, a bracket is installed at the inner bottom of the support base, and the motor is installed at the top of the bracket.

[0013] Preferably, the bracket has a concave structure, the front surface of the support base is hinged with a protective plate, and one end of the protective plate is provided with a handle.

[0014] Preferably, the protective plate has a heat dissipation vent inside, and a dustproof component is installed on the rear surface of the protective plate.

[0015] Preferably, the dustproof component includes uprights symmetrically mounted on the rear surface of the protective plate, slots formed on the uprights, and dustproof nets that are pluggable and removable inside the two slots.

[0016] Preferably, the top of the base is fitted with symmetrically distributed fasteners, and the fasteners are fixedly connected to the support base.

[0017] Compared with the prior art, the beneficial effects of this utility model are:

[0018] The designed swinging component enables precise positioning and adjustment of the irradiation bed, meeting the complex needs of BNCT treatment. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of this utility model;

[0020] Figure 2 This is a partial cross-sectional view of the support base of this utility model;

[0021] Figure 3 For the present utility model Figure 2 A schematic diagram of the enlarged structure of region F in the diagram;

[0022] Figure 4The utility model discloses a protective plate rear view partial sectional view structure schematic diagram.

[0023] In the figure: 1, base; 11, sliding plate; 2, support seat; 21, protective plate; 210, handle; 22, support; 23, motor; 24, limit groove; 25, bearing; 3, fastener; 4, irradiation bed; 5, vertical plate; 51, slot; 6, dust screen; 71, first bevel gear; 72, second bevel gear; 73, rotating shaft; 8, universal ball seat; 81, connecting lug. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the utility model.

[0025] Embodiment 1

[0026] Please refer to Figures 1-3 For the first embodiment of the utility model, the embodiment provides a patient positioning mechanism applied to BNCT treatment, comprising

[0027] The support part comprises the base 1, the support seat 2 arranged at the top of the base 1, the support of the support seat 2 is increased through the base 1, the sliding plate 11 is installed at the bottom of the base 1, the sliding plate 11 can slide along the slide rail, and the horizontal movement of the base 1 is facilitated;

[0028] The swing part comprises the motor 23 installed in the inside of the support seat 2, the motor 23 is added, the first bevel gear 71 is arranged on the output shaft of the motor 23, the motor 23 drives the first bevel gear 71 to rotate when working, the second bevel gear 72 is connected with the first bevel gear 71 in meshing, the first bevel gear 71 drives the second bevel gear 72 to rotate when rotating, the rotating shaft 73 penetrates the second bevel gear 72, the second bevel gear 72 drives the rotating shaft 73 to rotate when rotating, one end of the rotating shaft 73 extends to the outside of the support seat 2 and is connected with the irradiation bed 4, the rotating shaft 73 drives the irradiation bed 4 to rotate when rotating, accurate positioning adjustment can be realized, and the complex demand in the BNCT treatment is met.

[0029] In the embodiment, preferably, a plurality of limit grooves 24 are arranged at the top of the support seat 2, the limit groove 24 is arranged, the universal ball seat 8 is arranged in any limit groove 24, the installation of the universal ball seat 8 is limited, the bottom of the irradiation bed 4 can abut on the universal ball seat 8, and the convenience and stability of the rotation of the irradiation bed 4 are increased through the universal ball seat 8.

[0030] In the embodiment, preferably, the side surface of the universal ball seat 8 is provided with symmetrically distributed connecting ears 81, the connecting ears 81 are additionally arranged, and the connecting ears 81 are installed on the groove bottom of the limiting groove 24 through screws, the stable installation of the connecting ears 81 is realized, and the stable installation of the universal ball seat 8 is facilitated.

[0031] In the embodiment, preferably, the bearing 25 installed on the inner bottom of the support seat 2 through screws is further included, the stable installation of the bearing 25 is realized, the other end of the rotating shaft 73 is located in the bearing 25, and the convenience of rotation of the rotating shaft 73 is facilitated.

[0032] In the embodiment, preferably, the inner bottom of the support seat 2 is provided with the bracket 22 installed through bolts, the stable installation of the bracket 22 is realized, the motor 23 is installed on the top of the bracket 22, the support of the motor 23 is increased through the bracket 22, and the motor 23 can be disassembled for maintenance when the motor 23 is damaged.

[0033] In the embodiment, preferably, the bracket 22 is of a "concave" structure, the front surface of the support seat 2 is hingedly provided with the protective plate 21, the protective plate 21 can be opened and closed, one end of the protective plate 21 is provided with a handle 210, and the convenience of opening the protective plate 21 is increased through the handle 210.

[0034] In the embodiment, preferably, the top of the base 1 is provided with symmetrically distributed fasteners 3, the fasteners 3 are additionally arranged, the fasteners 3 are connected with the support seat 2 through screws, and the stability of splicing of the support seat 2 and the base 1 is increased through the fasteners 3.

[0035] Embodiment 2

[0036] Please refer to Figures 1-4 , the second embodiment of the utility model, which is based on the previous embodiment, the difference is that:

[0037] The inner part of the protective plate 21 is provided with a heat dissipation opening, the heat dissipation performance is increased through the heat dissipation opening, the back surface of the protective plate 21 is provided with a dustproof component, the dustproof component comprises symmetrically arranged vertical plates 5 on the back surface of the protective plate 21, the vertical plates 5 are additionally arranged, the insertion grooves 51 are arranged on the vertical plates 5, the insertion grooves 51 are arranged, the dustproof nets 6 are plug-in arranged in the two insertion grooves 51, the dustproof nets 6 are quickly additionally arranged, the dustproof performance is increased through the additionally arranged dustproof nets 6, and when the dust on the surface of the dustproof net 6 affects heat dissipation, the protective plate 21 can be opened, and the dustproof net 6 can be quickly taken off.

[0038] It should be noted that the specific structure and working principle of the irradiation bed 4 in the application have been disclosed in a kind of magnetic resonance guided boron neutron capture therapy system with publication number CN209253964U;

[0039] The motor 23 in the present application can be purchased from the market.

[0040] The working principle and use process of the utility model: when using, the patient lies on the irradiation bed 4, the motor 23 works and drives the first bevel gear 71 to rotate, the first bevel gear 71 drives the second bevel gear 72 to rotate, the second bevel gear 72 drives the rotating shaft 73 to rotate, the rotating shaft 73 drives the irradiation bed 4 to rotate, accurate positioning adjustment can be realized, and the complex requirements in BNCT treatment can be met.

[0041] Although the embodiments of the utility model have been shown and described, and the detailed description is described above, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A patient positioning mechanism for BNCT treatment, characterized by: Comprising Supporting component, which comprises a base (1) and a supporting seat (2) arranged on the top of the base (1); Swing component, which comprises a motor (23) arranged in the supporting seat (2), a first bevel gear (71) arranged on the output shaft of the motor (23), a second bevel gear (72) meshingly connected with the first bevel gear (71), a rotating shaft (73) penetrating through the second bevel gear (72), and an irradiation bed (4) connected with one end of the rotating shaft (73) extending to the outside of the supporting seat (2).

2. The patient positioning mechanism for BNCT treatment according to claim 1, wherein: Further comprising a plurality of limiting grooves (24) arranged on the top of the supporting seat (2), and a universal ball seat (8) arranged in any one of the limiting grooves (24), wherein the bottom of the irradiation bed (4) can abut against the universal ball seat (8).

3. A patient positioning mechanism for BNCT treatment according to claim 2, characterized in that: The side surface of the universal ball seat (8) is provided with symmetrically distributed connecting ears (81), and the connecting ears (81) are arranged on the groove bottom of the limiting groove (24).

4. The patient positioning mechanism for BNCT treatment of claim 1, wherein: Further comprising a bearing (25) arranged on the inner bottom of the supporting seat (2), and the other end of the rotating shaft (73) is located in the bearing (25).

5. The patient positioning mechanism for BNCT treatment of claim 1, wherein: The inner bottom of the supporting seat (2) is provided with a bracket (22), and the motor (23) is arranged on the top of the bracket (22).

6. A patient positioning mechanism for BNCT treatment according to claim 5, characterized in that: The bracket (22) is a "concave" structure, the front surface of the supporting seat (2) is hingedly provided with a protective plate (21), and one end of the protective plate (21) is provided with a handle (210).

7. A patient positioning mechanism for BNCT treatment according to claim 6, characterized in that: The inside of the protective plate (21) is provided with a heat dissipation opening, and the rear surface of the protective plate (21) is provided with a dustproof component.

8. A patient positioning mechanism for BNCT treatment according to claim 7, characterized in that: The dustproof component comprises a vertical plate (5) symmetrically arranged on the rear surface of the protective plate (21), a slot (51) arranged on the vertical plate (5), and a dust screen (6) plug-in arranged in the two slots (51).

9. The patient positioning mechanism for BNCT treatment of claim 1, wherein: The top of the base (1) is provided with symmetrically distributed fasteners (3), and the fasteners (3) are fixedly connected with the supporting seat (2).

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