Auxiliary device for tumor radiotherapy and use method thereof

Abstract

The invention discloses an auxiliary device for tumor radiotherapy and a use method thereof. The auxiliary device for tumor radiotherapy comprises a bed body; the two moving parts are arranged on the left side and the right side of the bed body respectively and can be adjusted front and back relative to the bed body; the two lifting parts are arranged on the two moving parts respectively and can be vertically adjusted relative to the moving parts; the two mounting parts are movably arranged on the two lifting parts in the left-right direction respectively; the shielding structure comprises anti-radiation cloth located on the upper side of the bed body, the anti-radiation cloth is provided with an irradiation opening, and the left end and the right end of the anti-radiation cloth are connected to the two mounting parts respectively; the two elastic assemblies are used for applying outward elastic force deviating from the radiation-proof cloth in the left-right direction to the two mounting parts respectively. The shielding structure can be tightly attached to the patient, and excessive pressure cannot be caused to the patient.

Description

Technical Field

[0001] The present invention relates to the technical field of radiotherapy auxiliary equipment, and in particular to an auxiliary device for tumor radiotherapy and a method of using the same. Background Art

[0002] Radiotherapy is a localized treatment method for tumors that uses radiation. Approximately 70% of cancer patients require radiotherapy during treatment, and approximately 40% of cancers are curable with radiotherapy. The role and status of radiotherapy in cancer treatment are increasingly prominent, and it has become one of the mainstays of treating malignant tumors. Radiotherapy requires the use of auxiliary devices such as a radiotherapy table. While the table provides a flat position for the patient, it also features a shielding structure (such as a centrally perforated radiation shield) to shield the non-radiotherapy area surrounding the radiotherapy area. This ensures accurate radiotherapy placement and minimizes the impact of the radiotherapy area on non-radiotherapy areas. However, existing shielding structures often suffer from two issues: either they do not fit tightly enough with the patient, or they are too close, placing significant pressure on the patient. This is particularly true during radiotherapy of the chest, where excessive pressure can cause breathing difficulties. Summary of the Invention

[0003] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention provides an auxiliary device for tumor radiotherapy, wherein the shielding structure can fit closely with the patient without causing excessive pressure on the patient.

[0004] The present invention also provides a method for using the auxiliary device for tumor radiotherapy based on the first embodiment described above.

[0005] According to the first embodiment of the present invention, an auxiliary device for tumor radiotherapy includes: Bed; Two movable parts, the two movable parts are respectively arranged on the left and right sides of the bed body and can be adjusted forward and backward relative to the bed body; Two lifting parts, the two lifting parts are respectively provided on the two moving parts and can be vertically adjusted relative to the moving parts; Two mounting parts, the two mounting parts are movably arranged on the two lifting parts along the left and right directions respectively; A shielding structure, comprising a radiation-proof cloth located on the upper side of the bed, the radiation-proof cloth being provided with an irradiation port, the left and right ends of the radiation-proof cloth being respectively connected to the two mounting portions; Two elastic components are used to apply elastic forces to the two mounting parts in the left and right directions away from the radiation protection cloth.

[0006] The auxiliary device for tumor radiotherapy according to the embodiment of the present invention has at least the following beneficial effects: During use, the two movable parts can be first adjusted synchronously to the front end or the rear end of the bed to avoid contact with the patient's body during the process of the patient lying flat on the bed. The patient does not need to manually lift the radiation protection cloth and crawl under the radiation protection cloth during the lying process, and can lie down more smoothly; when the patient lies flat on the designated area on the bed, the two lifting parts can be adjusted according to the height of the patient after lying flat, so that the radiation protection cloth is higher than the patient, and then the two movable parts are adjusted forward and backward synchronously so that the irradiation port of the radiation protection cloth is located on the upper side of the radiotherapy area on the patient's body, and then the two lifting parts are lowered until the radiation protection cloth fits the patient's body and the two mounting parts move towards each other or have a tendency to move towards each other. At this time, the radiation protection cloth is in a stretched state and fits tightly to the patient's body. Due to the provision of an elastic component, the mounting part can move elastically left and right, so that after the radiation protection cloth fits tightly to the patient's body, the elastic movement of the mounting part can provide a certain buffer for the radiation protection cloth, avoiding the radiation protection cloth from fitting too tightly to the patient's body and avoiding excessive pressure on the patient.

[0007] According to some embodiments of the present invention, the mounting portion includes: A mounting seat, located between the two lifting parts and used for connecting the radiation protection cloth; A mounting rod, the mounting rod being fixed to one end of the mounting seat close to the lifting portion and slidingly extending through the lifting portion in the left-right direction, the mounting rod being provided with a detachable limiting structure on a side of the lifting portion facing away from the mounting seat; Wherein, the elastic component includes a compression spring, which is sleeved on the mounting rod, and has two ends respectively abutting against the lifting portion and the limiting structure.

[0008] According to some embodiments of the present invention, the auxiliary device for tumor radiotherapy further includes a plurality of restraint devices, which are arranged on the bed at intervals in front and back, and the restraint devices include: Two connecting supports, the two connecting supports are respectively arranged on the left and right sides of the bed; A restraint belt is connected between the two connecting supports and is located on the upper side of the bed. A restraint space for limiting the position of the patient is formed between the restraint belt, the two connecting supports and the bed.

[0009] According to some embodiments of the present invention, the connecting support can be adjusted left and right relative to the bed, and a connecting ring is provided on the connecting support; the restraint belt has a first section and a second section distributed in sequence along its own length direction, the first section is connected to the connecting support on the right, the second section passes through the connecting ring of the connecting support on the left, and is connected to the first section through a matching structure; wherein, the second section can be connected to multiple positions in the length direction of the first section through the matching structure, so that the size of the restraint belt in the left and right directions can be adjusted.

[0010] According to some embodiments of the present invention, the matching structure includes a Velcro loop surface provided on the first section and a Velcro hook surface provided on the second section.

[0011] According to some embodiments of the present invention, the restraint device further comprises: Two adjustment seats, the two adjustment seats are respectively located on opposite sides of the two connecting supports and can be adjusted forward and backward relative to the bed body; Two telescopic parts, the two telescopic parts are respectively provided on the two adjustment seats and can be telescoped and adjusted in length along the left and right directions; Wherein, the two connecting supports are respectively connected to the telescopic ends of the two telescopic parts.

[0012] According to some embodiments of the present invention, a first driving structure is provided between the lifting portion and the moving portion, for driving the lifting portion to move vertically relative to the moving portion, and the first driving structure includes: a first screw, the first screw being rotatably disposed on the moving portion and being vertically distributed, a first manual portion being disposed at one end of the first screw, the first manual portion being configured to receive an operation to drive the first screw to rotate; A first nut seat is fixed to the lifting portion and is matched with the first screw thread.

[0013] According to some embodiments of the present invention, a second driving structure is provided between the bed and the two moving parts, for driving the moving parts to move forward and backward relative to the bed, and the second driving structure includes: Two second screws, the two second screws are rotatably arranged on the left and right sides of the bed respectively, the second screws extend forward and backward, and one end of the second screws is provided with a second manual part, the second manual part is configured to receive an operation to drive the second screws to rotate; Two second nut seats, the two second nut seats are respectively fixed to the two moving parts and respectively engaged with the two second screw threads; A transmission assembly is connected between the two second screw rods and is used to make the two second screw rods rotate synchronously.

[0014] According to some embodiments of the present invention, the mounting portion is provided with connecting ear plates on the front and rear sides of the anti-radiation cloth, respectively, and the left and right ends of the anti-radiation cloth respectively define connecting holes that pass through the front and rear, and a connecting rod is passed through the connecting hole, and the front and rear ends of the connecting rod respectively pass through the connecting ear plates and are respectively threaded with locking nuts to lock the connecting rod to the mounting portion.

[0015] A method for using the auxiliary device for tumor radiotherapy according to the second embodiment of the present invention includes the following steps: Synchronously adjusting the two moving parts to the front end or the rear end of the bed; Adjust each restraint device in sequence, first separating the hook surface of the restraint belt from the loop surface of the restraint belt, then pulling the restraint belt off the connecting ring of the left connecting support, and then adjusting the two connecting supports in opposite directions so that the distance between the two connecting supports is greater than the patient's body width; The patient is asked to lie flat on the bed. The restraint devices are adjusted in sequence according to the patient's body width after lying flat. First, the two connecting supports are adjusted in opposite directions so that the two connecting supports are respectively in contact with the left and right sides of the patient. Then, the restraint belt is passed around the upper side of the patient and the second section of the restraint belt is passed through the connecting ring of the connecting support on the left side. Then, the restraint belt is folded back so that the hook surface of the Velcro is engaged with the loop surface of the Velcro. The two lifting parts are adjusted according to the height of the patient after lying flat, so that the anti-radiation cloth is higher than the patient, and then the two moving parts are adjusted forward and backward synchronously so that the irradiation port of the anti-radiation cloth is located on the upper side of the patient's radiotherapy area, and then the two lifting parts are lowered until the anti-radiation cloth fits the patient's body and the two mounting parts move toward each other or have a tendency to move toward each other.

[0016] Additional aspects and advantages of the present invention will be set forth in part in the description which follows and, in part, will be obvious from the description which follows, or may be learned by practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments, in which: Figure 1 This is a schematic diagram of the installation structure of the auxiliary device for tumor radiotherapy according to an embodiment of the present invention; Figure 2 This is an exploded schematic diagram of the installation state of the auxiliary device for tumor radiotherapy according to an embodiment of the present invention; Figure 3 Schematic diagram of the connection structure of the moving part, the lifting part, the installation part and the radiation protection cloth according to an embodiment of the present invention; Figure 4 This is an exploded schematic diagram of the connection structure of the moving part, the lifting part, the mounting part, and the radiation protection cloth according to an embodiment of the present invention; Figure 5 Schematic diagram of the connection structure of the moving part, the lifting part and the installation part of an embodiment of the present invention; Figure 6 This is a schematic diagram of the connection structure between the restraint device and the bed body according to an embodiment of the present invention; Figure 7 is a schematic structural diagram of a restraint device according to an embodiment of the present invention; Figure 8 It is a schematic diagram of the state of the restraint device of an embodiment of the present invention when the restraint belt is separated from the left connecting support.

[0018] Figure Number: Bed 100, first guide rod 110, third guide rod 120; Moving part 200, second guide rod 201, third guide hole 202; Lifting portion 300, first hole 301, second hole 302, second guide hole 303, shielding cover 310; Mounting portion 400, mounting seat 410, mounting rod 420, limiting nut 421, washer 422, connecting ear plate 430; Radiation protection cloth 500, irradiation port 501, connection hole 502, connecting rod 510, locking nut 520; Compression spring 600; Restraint device 700, connecting support 710, connecting ring 711, restraint belt 720, first section 721, second section 722, Velcro surface 723, Velcro hook surface 724, adjustment seat 730, first guide hole 731, second set screw 732, telescopic portion 740, fixing tube 741, telescopic rod 742, first set screw 743; A first screw rod 800, a first manual part 801, and a first nut seat 810; The second screw 900 , the second manual part 901 , the second nut seat 910 , the synchronous wheel 920 , and the synchronous belt 930 . DETAILED DESCRIPTION

[0019] The following describes embodiments of the present invention in detail. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended only to explain the present invention and are not to be construed as limiting the present invention.

[0020] In the description of the present invention, it should be understood that descriptions involving orientation, such as the orientation or positional relationship indicated by up, down, etc., are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0021] In the description of the present invention, "a plurality" refers to more than two. The use of "first" or "second" is solely for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of the indicated technical features, or implicitly indicating the order of the indicated technical features.

[0022] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, and connecting should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0023] During radiotherapy, auxiliary devices such as a radiotherapy couch are required. While the couch provides a flat position for the patient, it also features a shielding structure (such as a centrally perforated radiation shield) to shield the non-radiation area surrounding the treatment area. This ensures accurate radiotherapy placement and minimizes the impact of the treatment area on the non-radiation area. However, existing shielding structures often suffer from two issues: either they don't fit tightly enough with the patient, or they're too close, placing significant pressure on the patient. This is particularly true during chest radiotherapy, where excessive pressure can cause breathing difficulties.

[0024] To this end, an embodiment of the present invention provides an auxiliary device for tumor radiotherapy and a method of using the same, which can effectively improve the above-mentioned problems.

[0025] The following describes an auxiliary device for tumor radiotherapy and a method of using the same according to an embodiment of the present invention with reference to the accompanying drawings.

[0026] Reference Figures 1 to 5 As shown, an auxiliary device for tumor radiotherapy according to one embodiment of the present invention includes: a bed 100, two movable parts 200, two lifting parts 300, two mounting parts 400, a shielding structure, and two elastic components. It should be noted that, herein, the left-right direction refers to the width of the bed 100, and the front-back direction refers to the length of the bed 100.

[0027] The bed 100 is used for a patient to lie flat.

[0028] The two moving parts 200 are respectively disposed on the left and right sides of the bed 100 , and the moving parts 200 can be adjusted forward and backward relative to the bed 100 .

[0029] The two lifting parts 300 are respectively provided on the two moving parts 200 , and the lifting parts 300 can be adjusted vertically relative to the moving parts 200 . Obviously, the lifting parts 300 can move forward and backward synchronously with the moving parts 200 .

[0030] The two mounting parts 400 are movably disposed on the two lifting parts 300 along the left and right directions respectively. Obviously, the mounting parts 400 can move vertically synchronously with the lifting parts 300.

[0031] The shielding structure includes a radiation-proof cloth 500 located on the upper side of the bed 100 . An irradiation port 501 is provided at the center of the radiation-proof cloth 500 . The left and right ends of the radiation-proof cloth 500 are respectively connected to two mounting portions 400 .

[0032] The two elastic components are respectively used to apply elastic forces to the two mounting portions 400 in the left and right directions away from the radiation protection cloth 500 .

[0033] When using the auxiliary device for tumor radiotherapy with the above-mentioned structure, the two movable parts 200 can be synchronously adjusted to the front end or the rear end of the bed 100 to avoid contact with the patient's body during the process of the patient lying flat on the bed 100. The patient does not need to manually lift the radiation-proof cloth 500 and crawl under the radiation-proof cloth 500 during the lying process, and can lie down more smoothly; after the patient lies flat on the designated area on the bed 100, the two lifting parts 300 can be adjusted according to the height of the patient after lying flat, so that the radiation-proof cloth 500 is higher than the patient, and then the two movable parts 200 are synchronously adjusted forward and backward to make the irradiation port 501 of the radiation-proof cloth 500 located above the patient. The upper side of the radiotherapy area on the body, and then lower the two lifting parts 300 until the anti-radiation cloth 500 fits the patient's body and the two mounting parts 400 move towards each other or have a tendency to move towards each other. At this time, the anti-radiation cloth 500 is in a stretched state and fits tightly to the patient's body. Due to the provision of an elastic component, the mounting part 400 can elastically move left and right. After the anti-radiation cloth 500 fits tightly to the patient's body, the elastic movement of the mounting part 400 can provide a certain buffer for the anti-radiation cloth 500, thereby avoiding the anti-radiation cloth 500 from fitting too tightly to the patient's body and avoiding excessive pressure on the patient.

[0034] It should be noted that when designing the size of the anti-radiation cloth 500, at least the following conditions must be met: for patients of various body shapes, the anti-radiation cloth 500 fits the patient's body and when both lifting parts 300 are lowered to the lowest position, the two mounting parts 400 can move towards each other.

[0035] Reference Figures 3 to 5As shown, in some embodiments of the present invention, the mounting portion 400 includes a mounting seat 410 and a mounting rod 420 . The mounting seat 410 is located between the two lifting parts 300 and is used to connect the radiation protection cloth 500; the mounting rod 420 is fixed to one end of the mounting seat 410 close to the lifting part 300, the mounting rod 420 extends left and right, and the mounting rod 420 slides through the lifting part 300 in the left and right directions. Obviously, the lifting part 300 is provided with a hole that cooperates with the mounting rod 420; in addition, the mounting rod 420 is provided with a detachable limiting structure on the side of the lifting part 300 away from the mounting seat 410; wherein the elastic component includes a compression spring 600, the compression spring 600 corresponds one-to-one to the mounting rod 420, the compression spring 600 is sleeved on the mounting rod 420, and is located on the side of the lifting part 300 away from the mounting seat 410, the left and right ends of the compression spring 600 respectively abut the lifting part 300 and the limiting structure, thereby applying an elastic force to the mounting part 400 along the left and right directions away from the radiation protection cloth 500 outward, the structure is simple and stable and reliable.

[0036] Based on the above embodiments, it can be imagined that the connection method between the mounting rod 420 and the mounting seat 410 can be but is not limited to the following: the mounting rod 420 and the mounting seat 410 are integrally formed, the mounting rod 420 is welded and fixed to the mounting seat 410, and the mounting rod 420 is fixed to the mounting seat 410 by fasteners.

[0037] Based on the above embodiment, it can be imagined that in order to make the left and right movement of the mounting portion 400 smoother, a plurality of mounting rods 420 can be evenly spaced apart from each other.

[0038] Based on the above embodiment, it is conceivable that in order to reduce the space occupied by the mounting portion 400 in the left and right directions, a stepped hole can be provided on the lifting portion 300 for the mounting rod 420 to pass through, for example, Figure 5 As shown, the stepped hole includes a first hole 301 and a second hole 302 distributed in sequence on the left and right. The first hole 301 is arranged close to the mounting seat 410, and the mounting rod 420 slides with the first hole 301. The second hole 302 is located at the end of the first hole 301 away from the mounting seat 410, and the diameter of the second hole 302 is larger than the diameter of the first hole 301. The second hole 302 is used for partially embedding the compression spring 600, thereby reducing the space occupied by the entire mounting part 400 in the left and right directions, making the overall structure more compact.

[0039] Furthermore, in order to prevent the compression spring 600 from being over-compressed, the size of the limiting structure may be larger than the diameter of the second hole 302 , that is, to ensure that the limiting structure cannot enter the second hole 302 .

[0040] Based on the above embodiment, it is conceivable that the limiting structure may be a pin, which is inserted into the mounting rod 420 (not shown), and the length of the pin is greater than the diameter of the second hole 302 to prevent the compression spring 600 from being over-compressed. Of course, the limiting structure may also adopt other structural forms.

[0041] For example, Figure 5 As shown, in some embodiments, the limiting structure includes a limiting nut 421 and a washer 422. The washer 422 is mounted on the mounting rod 420 and is used to abut the compression spring 600. The limiting nut 421 is threaded onto the mounting rod 420 and is located on the side of the washer 422 away from the compression spring 600. This structure is simple and easy to assemble and disassemble. Furthermore, the outer diameter of the washer 422 is larger than the aperture of the second hole 302 to prevent the compression spring 600 from being over-compressed.

[0042] Based on the above embodiments, it can be imagined that in order to prevent people from rubbing the limiting structure and the compression spring 600, the side of the lifting part 300 facing away from the mounting seat 410 is detachably connected to a shielding cover 310, which covers the limiting structure, the compression spring 600 and the mounting rod 420.

[0043] Reference Figure 1 、 Figure 2 and Figure 6 As shown, in some embodiments of the present invention, the auxiliary device for tumor radiotherapy further includes multiple restraint devices 700, which are arranged on the bed 100 at intervals in front and back. The restraint devices 700 include two connecting supports 710 and a restraint belt 720. The two connecting supports 710 are respectively arranged on the left and right sides of the bed 100. The restraint belt 720 is connected between the two connecting supports 710 and is located on the upper side of the bed 100. The restraint belt 720, the two connecting supports 710, and the bed 100 form a restraint space for limiting the position of the patient. Therefore, the restraint devices 700 can restrain a patient lying flat on the bed 100, prevent significant deviation of the patient's position, and ensure the accuracy of subsequent radiotherapy.

[0044] Reference Figure 6 、 Figure 7 and Figure 8As shown, in some embodiments of the present invention, taking a restraint device 700 as an example, the connecting support 710 can be adjusted left and right relative to the bed body 100, and a connecting ring 711 is provided on the connecting support 710; the restraint belt 720 has a first section 721 and a second section 722 distributed in sequence along its own length direction, and the first section 721 and the second section 722 are an integrated structure; the first section 721 of the restraint belt 720 is connected to the connecting support 710 on the right, and the second section 722 of the restraint belt 720 passes through the connecting ring 711 of the connecting support 710 on the left, and after passing through, it is folded back and connected with the first section 721 through a matching structure, thereby connecting the restraint belt 720 to the connecting support 710 on the left; wherein, the second section 722 can be connected with multiple positions in the length direction of the first section 721 through a matching structure, so that the size of the restraint belt 720 in the left and right directions can be adjusted.

[0045] It is understandable that after the patient lies flat on the bed 100, the body width of the patient at different positions is not the same. In order to improve the degree of restraint on the patient, the present embodiment allows the connecting support 710 to be adjusted left and right relative to the bed 100, so that the distance between the two connecting supports 710 in the left and right direction can be adjusted according to the body width of different parts of the patient; in addition, the second section 722 of the restraint belt 720 can be connected to multiple positions in the length direction of the first section 721 through a matching structure, so that the size of the restraint belt 720 in the left and right direction can be adjusted, thereby matching the change in the distance between the two connecting supports 710, ensuring that the restraint belt 720 can be in close contact with the patient without becoming loose.

[0046] In addition, in the above embodiment, the second section 722 of the restraint belt 720 passes through the connecting ring 711 of the left connecting support 710 and cooperates with the first section 721 through the matching structure, which can facilitate the separation of the restraint belt 720 from the left connecting support 710, thereby avoiding the patient when the patient lies flat on the bed 100.

[0047] Based on the above embodiment, it is conceivable that the mating structure may employ a combination of male and female buckles (not shown). For example, multiple female buckles may be provided at intervals along the length of the first segment 721, and a male buckle may be provided on the second segment 722. This allows the second segment 722 of the restraint belt 720 to be mated and connected to the first segment 721 at multiple locations along the length thereof via the mating structure. Of course, the mating structure may also employ other structural forms.

[0048] For example, refer to Figure 7 and Figure 8As shown, in some embodiments, the mating structure includes a Velcro loop surface 723 provided on the first section 721 and a Velcro hook surface 724 provided on the second section 722. The first section 721 and the second section 722 are connected by Velcro adhesion, which is very convenient to use. It should be noted that the Velcro loop surface 723 and the Velcro hook surface 724 are located on the same side surface of the restraint strap 720.

[0049] Based on the above embodiment, it can be imagined that the connecting ring 711 can be provided on both the left and right connecting supports 710, or the connecting ring 711 can be provided only on the connecting support 710 on the left. When the connecting ring 711 is provided on both sides of the connecting supports 710, the mass production of the connecting supports 710 can be facilitated; at the same time, the first section 721 of the restraint belt 720 can pass through the connecting ring 711 of the connecting support 710 on the right and be sewn to itself to fix the first section 721 of the restraint belt 720 on the connecting support 710 on the right.

[0050] Based on the above embodiment, it can be imagined that the facing sides of the two connecting supports 710 have arcuate fitting surfaces for contacting the patient, and the arc center line of the arcuate fitting surface is higher than the arcuate fitting surface.

[0051] Reference Figure 6 、 Figure 7 and Figure 8 As shown, in some embodiments of the present invention, the restraint device 700 further includes two adjustment seats 730 and two telescopic parts 740. The two adjustment seats 730 are located on opposite sides of the two connecting supports 710 and can be adjusted forward and backward relative to the bed body 100; the two telescopic parts 740 are respectively provided on the two adjustment seats 730 and can be adjusted in length in the left-right direction, with the telescopic ends of the telescopic parts 740 located on the opposite sides of the two telescopic parts 740; wherein, the two connecting supports 710 are respectively connected to the telescopic ends of the two telescopic parts 740.

[0052] In the above embodiment, the connecting support 710 is connected to the adjustment base 730 via the telescopic portion 740, so that the connecting support 710 can be adjusted forward and backward synchronously with the adjustment base 730, thereby enabling the restraint device 700 to restrain different parts of the patient with high flexibility; in addition, the telescopic portion 740 can be adjusted left and right, so that the connecting support 710 can be adjusted left and right relative to the adjustment base 730, that is, adjusted left and right relative to the bed 100, to match the body width of different parts of the patient and ensure the restraint effect.

[0053] Based on the above embodiment, the telescopic portion 740 may adopt a structure that can be automatically telescopic, such as an electric push rod, a hydraulic telescopic cylinder, etc. Of course, a manual structure may also be adopted.

[0054] For example, in some embodiments, reference Figure 6 and Figure 7 As shown, the telescopic portion 740 includes a fixed cylinder 741, a telescopic rod 742, and a first tightening screw 743. The fixed cylinder 741 is arranged in the left and right directions and is connected to the adjustment seat 730 by welding or fastener connection. The telescopic rod 742 is inserted into the fixed cylinder 741 and can slide left and right relative to the fixed cylinder 741. The first tightening screw 743 is threadedly installed on the fixed cylinder 741 and is used to abut the outer wall of the telescopic rod 742 to lock the telescopic rod 742 on the fixed cylinder 741; when telescopic adjustment is required, loosen the first tightening screw 743, then slide the telescopic rod 742 to the corresponding position, and then re-tighten the first tightening screw 743; this embodiment realizes telescopic adjustment of the telescopic portion 740 through the above-mentioned structural arrangement, and the structure is simple and easy to use.

[0055] Based on the above embodiment, it can be imagined that in order to prevent the telescopic rod 742 from rotating, the telescopic rod 742 can be configured as a rectangular rod.

[0056] Based on the above embodiments, it can be imagined that the adjustment of the adjustment seat 730 along the front and rear directions of the bed 100 can be achieved through an automated device, using a motor screw structure, an electric push rod and other structures to drive the adjustment seat 730 to move back and forth; of course, manual adjustment can also be used.

[0057] For example, refer to Figure 1 、 Figure 6 and Figure 7 As shown, in some embodiments, the bed 100 is provided with a first guide rod 110 extending forward and backward, and the adjustment seat 730 is provided with a first guide hole 731 extending forward and backward. The adjustment seat 730 is slidably mounted on the first guide rod 110 through the first guide hole 731. The adjustment seat 730 is also threadedly mounted with a second set screw 732. The second set screw 732 is used to abut the outer wall of the first guide rod 110 to lock and fix the position of the adjustment seat 730. This structure is simple and easy to adjust. In addition, each adjustment seat 730 located on the same side can share the same first guide rod 110.

[0058] It should be noted that, since both the moving portion 200 and the adjusting seat 730 need to be moved forward and backward for adjustment, the moving portion 200 and the adjusting seat 730 need to be staggered to avoid interference between the forward and backward movements of the two.

[0059] Reference Figure 4 and Figure 5As shown, in some embodiments of the present invention, a first driving structure is provided between the lifting part 300 and the moving part 200, and the first driving structure is used to drive the lifting part 300 to move vertically relative to the moving part 200; wherein, the first driving structure includes a first screw 800 and a first nut seat 810, the first screw 800 is rotatably provided on the moving part 200, and the first screw 800 is vertically distributed, and a first manual part 801 is provided at one end of the first screw 800, and the first manual part 801 is configured to accept operation to drive the first screw 800 to rotate; the first nut seat 810 is fixed to the lifting part 300, and the first nut seat 810 is threadedly engaged with the first screw 800.

[0060] With the above-mentioned structural arrangement, the first manual part 801 can be manually operated to drive the first screw 800 to rotate, thereby driving the lifting part 300 to move vertically relative to the moving part 200 through the cooperation of the first screw 800 and the first nut seat 810. The structure is simple and the operation is convenient.

[0061] Based on the above embodiment, it is conceivable that the moving part 200 is provided with a structure that provides a guide for the vertical movement of the lifting part 300, for example, referring to Figure 4 As shown, the moving part 200 is provided with a second guide rod 201 extending vertically, and the lifting part 300 is provided with a second guide hole 303 extending vertically. The second guide rod 201 and the second guide hole 303 are vertically slidably matched. Obviously, multiple sets of second guide rods 201 and second guide holes 303 can be provided.

[0062] Based on the above embodiment, it is conceivable that the first nut seat 810 can be fixed to the lifting portion 300 by fasteners such as screws.

[0063] Based on the above embodiments, it is conceivable that the first manual part 801 may adopt various structural forms, such as a turntable structure or a handle structure.

[0064] Reference Figure 1 、 Figure 2 and Figure 3As shown, in some embodiments of the present invention, a second drive structure is provided between the bed 100 and the two movable parts 200, and the second drive structure is used to drive the movable parts 200 to move forward and backward relative to the bed 100; the second drive structure includes two second screw rods 900, two second nut seats 910, and a transmission assembly. Among them, the two second screw rods 900 are respectively rotatably provided on the left and right sides of the bed 100, and the second screw rods 900 extend forward and backward, and one end of the second screw rods 900 is provided with a second manual part 901, and the second manual part 901 is configured to receive an operation to drive the second screw rods 900 to rotate; the two second nut seats 910 are respectively fixed to the two movable parts 200, and the two second nut seats 910 are respectively threadedly engaged with the two second screw rods 900; the transmission assembly is connected between the two second screw rods 900, and the transmission assembly is used to make the two second screw rods 900 rotate synchronously, thereby making the two second nut seats 910 move synchronously.

[0065] By adopting the above-mentioned structural setting, the second manual part 901 on any second screw 900 can be operated to drive the two second screws 900 to rotate synchronously, thereby driving the two moving parts 200 to move forward and backward synchronously through the cooperation between the second screw 900 and the second nut seat 910, which is very convenient to operate.

[0066] Based on the above embodiment, it can be imagined that the bed 100 is provided with a structure for guiding the forward and backward movement of the moving part 200, for example, referring to Figure 2 and Figure 4 As shown, the bed body 100 is provided with a third guide rod 120 extending forward and backward, and the moving part 200 is provided with a third guide hole 202 penetrating forward and backward to slide with the third guide rod 120 forward and backward.

[0067] Based on the above embodiment, it is conceivable that the second nut seat 910 can be fixed to the lifting portion 300 by fasteners such as screws.

[0068] Based on the above embodiments, it is conceivable that the transmission assembly can adopt a combination structure of a synchronous wheel 920 and a synchronous belt 930. For example, in some embodiments, referring to Figure 2 As shown, the transmission assembly includes two synchronous wheels 920 and a synchronous belt 930 that cooperates with the two synchronous wheels 920. The two synchronous wheels 920 are respectively fixed to the two second screw rods 900 to achieve synchronous rotation of the two second screw rods 900. Furthermore, the second manual part 901 can be configured as a rod-shaped structure and eccentrically arranged on the synchronous wheel 920.

[0069] Based on the above embodiment, it can be imagined that in order to prevent people from touching the synchronous belt 930 and the second screw 900, protective baffles or protective covers can be set on the bed 100 on the outside of the synchronous belt 930 and the outside of the second screw 900.

[0070] Reference Figure 3 and Figure 4 As shown, in some embodiments of the present invention, the mounting seat 410 of the mounting portion 400 is respectively provided with connecting ear plates 430 on the front and rear sides of the anti-radiation cloth 500, and the left and right ends of the anti-radiation cloth 500 respectively define front and rear through-connecting holes 502, and a connecting rod 510 is passed through the connecting hole 502, and the front and rear ends of the connecting rod 510 respectively pass through the connecting ear plates 430 and are respectively threaded with locking nuts 520 to lock the connecting rod 510 to the mounting portion 400, so as to realize the detachable connection between the anti-radiation cloth 500 and the mounting portion 400, thereby facilitating the disassembly and replacement of the anti-radiation cloth 500.

[0071] A method for using a tumor radiotherapy assisting device according to an embodiment of the present invention includes the following steps: Step 1: Synchronously adjust the two moving parts 200 to the front end or the rear end of the bed 100 to avoid contact with the patient's body when the patient lies flat on the bed 100. The patient does not need to manually lift the radiation protection cloth 500 or crawl under the radiation protection cloth 500 when lying flat, and can lie down more smoothly. Step 2: Adjust each restraint device 700 in sequence. The specific adjustment process is as follows: first, separate the Velcro hook surface 724 from the Velcro loop surface 723 of the restraint belt 720, then remove the restraint belt 720 from the connecting ring 711 of the left connecting support 710, and then adjust the two connecting supports 710 in opposite directions so that the distance between the two connecting supports 710 is greater than the patient's body width to avoid the patient; Step 3: Have the patient lie flat on the bed 100. Adjust each restraint device 700 in sequence according to the patient's body width after lying flat. The specific adjustment process is as follows: first, adjust the two connecting supports 710 in opposite directions so that the two connecting supports 710 contact the left and right sides of the patient respectively. Then, pass the restraint belt 720 around the patient's upper side, close to the patient's body, and pass the second section 722 of the restraint belt 720 through the connecting ring 711 of the left connecting support 710. Then, fold the restraint belt 720 back so that the Velcro hook surface 724 is engaged with the Velcro loop surface 723, thereby connecting the restraint belt 720 to the left connecting support 710 to restrain the patient. Step 4: Adjust the two lifting parts 300 according to the height of the patient after lying flat, so that the anti-radiation cloth 500 is higher than the patient, and then adjust the two moving parts 200 forward and backward synchronously, so that the irradiation port 501 of the anti-radiation cloth 500 is located on the upper side of the patient's radiotherapy area, and then lower the two lifting parts 300 until the anti-radiation cloth 500 fits the patient's body and the two mounting parts 400 move towards each other or have a tendency to move towards each other. At this time, the anti-radiation cloth 500 is in a stretched state and fits tightly to the patient's body; due to the provision of an elastic component, the mounting part 400 can move elastically left and right, thereby providing a certain buffer for the anti-radiation cloth 500 after it fits tightly to the patient's body, avoiding the anti-radiation cloth 500 from fitting too tightly to the patient's body, and avoiding excessive pressure on the patient.

[0072] The method of using the auxiliary device for tumor radiotherapy according to the embodiment of the present invention is simple and practical. The shielding structure (radiation-proof cloth 500 ) can fit closely with the patient without causing excessive pressure on the patient.

[0073] In the description of this specification, the reference terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" mean that the specific features, structures, materials, or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in any suitable manner in any one or more embodiments or examples. In addition, those skilled in the art can combine different embodiments or examples described in this specification.

[0074] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the knowledge of ordinary technicians in the relevant technical field without departing from the scope of the present invention.

Claims

1. An auxiliary device for tumor radiotherapy, characterized in that: include: Bed; Two movable parts, the two movable parts are respectively arranged on the left and right sides of the bed body and can be adjusted forward and backward relative to the bed body; Two lifting parts, the two lifting parts are respectively provided on the two moving parts and can be vertically adjusted relative to the moving parts; Two mounting parts, the two mounting parts are movably arranged on the two lifting parts along the left and right directions respectively; A shielding structure, comprising a radiation-proof cloth located on the upper side of the bed, the radiation-proof cloth being provided with an irradiation port, the left and right ends of the radiation-proof cloth being respectively connected to the two mounting portions; Two elastic components are used to apply elastic forces to the two mounting parts in the left and right directions away from the radiation protection cloth.

2. The tumor radiotherapy assisting device according to claim 1, characterized in that: The mounting portion includes: A mounting seat, located between the two lifting parts and used for connecting the radiation protection cloth; A mounting rod, the mounting rod being fixed to one end of the mounting seat close to the lifting portion and slidingly extending through the lifting portion in the left-right direction, the mounting rod being provided with a detachable limiting structure on a side of the lifting portion facing away from the mounting seat; Wherein, the elastic component includes a compression spring, which is sleeved on the mounting rod, and has two ends respectively abutting against the lifting portion and the limiting structure.

3. The tumor radiotherapy assisting device according to claim 1, characterized in that: The auxiliary device for tumor radiotherapy further includes a plurality of restraint devices, which are arranged on the bed at intervals in front and back. The restraint devices include: Two connecting supports, the two connecting supports are respectively arranged on the left and right sides of the bed; A restraint belt is connected between the two connecting supports and is located on the upper side of the bed. A restraint space for limiting the position of the patient is formed between the restraint belt, the two connecting supports and the bed.

4. The tumor radiotherapy assisting device according to claim 3, characterized in that: The connecting support can be adjusted left and right relative to the bed body, and a connecting ring is provided on the connecting support; the restraint belt has a first section and a second section distributed in sequence along its own length direction, the first section is connected to the connecting support on the right, and the second section passes through the connecting ring of the connecting support on the left and is connected to the first section through a matching structure; wherein, the second section can be connected to multiple positions in the length direction of the first section through the matching structure, so that the size of the restraint belt in the left and right directions can be adjusted.

5. The tumor radiotherapy assisting device according to claim 4, characterized in that: The matching structure includes a Velcro fleece surface provided on the first section and a Velcro hook surface provided on the second section.

6. The tumor radiotherapy assisting device according to claim 4, characterized in that: The restraint device further comprises: Two adjustment seats, the two adjustment seats are respectively located on opposite sides of the two connecting supports and can be adjusted forward and backward relative to the bed body; Two telescopic parts, the two telescopic parts are respectively provided on the two adjustment seats and can be telescoped and adjusted in length along the left and right directions; Wherein, the two connecting supports are respectively connected to the telescopic ends of the two telescopic parts.

7. The tumor radiotherapy assisting device according to claim 1, characterized in that: A first driving structure is provided between the lifting portion and the moving portion, for driving the lifting portion to move vertically relative to the moving portion, the first driving structure comprising: a first screw, the first screw being rotatably disposed on the moving portion and being vertically distributed, a first manual portion being disposed at one end of the first screw, the first manual portion being configured to receive an operation to drive the first screw to rotate; A first nut seat is fixed to the lifting portion and is matched with the first screw thread.

8. The tumor radiotherapy assisting device according to claim 1, characterized in that: A second driving structure is provided between the bed and the two moving parts, for driving the moving parts to move forward and backward relative to the bed, and the second driving structure includes: Two second screws, the two second screws are rotatably arranged on the left and right sides of the bed respectively, the second screws extend forward and backward, and one end of the second screws is provided with a second manual part, the second manual part is configured to receive an operation to drive the second screws to rotate; Two second nut seats, the two second nut seats are respectively fixed to the two moving parts and respectively engaged with the two second screw threads; A transmission assembly is connected between the two second screw rods and is used to make the two second screw rods rotate synchronously.

9. The tumor radiotherapy assisting device according to claim 1, characterized in that: The mounting portion is respectively provided with connecting ear plates on the front and rear sides of the anti-radiation cloth, and the left and right ends of the anti-radiation cloth respectively define connecting holes that pass through the front and rear, and a connecting rod is passed through the connecting hole. The front and rear ends of the connecting rod respectively pass through the connecting ear plates and are respectively threadedly connected with locking nuts to lock the connecting rod to the mounting portion.

10. A method for using the auxiliary device for tumor radiotherapy according to claim 5, characterized in that: The steps include: Synchronously adjusting the two moving parts to the front end or the rear end of the bed; Adjust each restraint device in sequence, first separating the hook surface of the restraint belt from the loop surface of the restraint belt, then pulling the restraint belt off the connecting ring of the left connecting support, and then adjusting the two connecting supports in opposite directions so that the distance between the two connecting supports is greater than the patient's body width; The patient is asked to lie flat on the bed. The restraint devices are adjusted in sequence according to the patient's body width after lying flat. First, the two connecting supports are adjusted in opposite directions so that the two connecting supports are respectively in contact with the left and right sides of the patient. Then, the restraint belt is passed around the upper side of the patient and the second section of the restraint belt is passed through the connecting ring of the connecting support on the left side. Then, the restraint belt is folded back so that the hook surface of the Velcro is engaged with the loop surface of the Velcro. The two lifting parts are adjusted according to the height of the patient after lying flat, so that the anti-radiation cloth is higher than the patient, and then the two moving parts are adjusted forward and backward synchronously so that the irradiation port of the anti-radiation cloth is located on the upper side of the patient's radiotherapy area, and then the two lifting parts are lowered until the anti-radiation cloth fits the patient's body and the two mounting parts move toward each other or have a tendency to move toward each other.

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