CN112933426A - Limb positioning device for tumor radiotherapy - Google Patents
Limb positioning device for tumor radiotherapy Download PDFInfo
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- CN112933426A CN112933426A CN202110108694.0A CN202110108694A CN112933426A CN 112933426 A CN112933426 A CN 112933426A CN 202110108694 A CN202110108694 A CN 202110108694A CN 112933426 A CN112933426 A CN 112933426A
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- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
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- A61N2005/1097—Means for immobilizing the patient
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Abstract
The invention relates to the field of limb positioning instruments, in particular to a limb positioning device for tumor radiotherapy, which comprises a limb fixing part, a transverse supporting part, a longitudinal supporting part, a displacement adjusting part and a clamping and installing part, wherein one end of the transverse supporting part is connected with the limb fixing part in a matching way; the other end of the transverse supporting part is matched and connected with the longitudinal supporting part; the longitudinal supporting part is connected to the displacement adjusting part in a matching way; the displacement adjusting part is connected to the clamping mounting part in a matching mode. The leg support device can support and position the legs of a patient, and prevents the legs from shifting during the leg radiotherapy process to influence the radiotherapy effect.
Description
Technical Field
The invention relates to the field of limb positioning instruments, in particular to a limb positioning device for tumor radiotherapy.
Background
Tumor radiotherapy is a local treatment method for treating tumors by using radiation, about 70% of cancer patients need radiation therapy in the process of treating cancer, and about 40% of cancers can be cured by radiation therapy. The role and position of radiotherapy in tumor treatment are increasingly prominent, and the radiotherapy has become one of the main means for treating malignant tumors.
The body position fixing is the first step of radiotherapy implementation and runs through the whole radiotherapy process, and how to reduce the involuntary movement of a patient in the radiotherapy process and how to repeatedly position the body position is one of the key steps for ensuring the accurate implementation of the radiotherapy. Mainly rely on patient's self inhibitory power during shank tumour radiotherapy among the prior art, control shank, avoid the shank to remove as far as possible, but rely on the control power of self to the effect of shank control relatively poor in radiotherapy process, the angle of shank changes or the shank takes place to shift, all can make the effect of radiotherapy worsen.
Disclosure of Invention
The invention aims to provide a limb positioning device for tumor radiotherapy, which can effectively solve the problems in the prior art; the leg support device can support and position the legs of a patient, and prevents the legs from shifting during the leg radiotherapy process to influence the radiotherapy effect.
In order to achieve the purpose, the application provides a limb positioning device for tumor radiotherapy, which comprises a limb fixing part, a transverse supporting part, a longitudinal supporting part, a displacement adjusting part and a clamping and installing part, wherein one end of the transverse supporting part is connected with the limb fixing part in a matching way; the other end of the transverse supporting part is matched and connected with the longitudinal supporting part; the longitudinal supporting part is connected to the displacement adjusting part in a matching way; the displacement adjusting part is connected to the clamping mounting part in a matching mode.
Optionally, the limb fixing part comprises a limb clamping assembly, a movable supporting plate, a fixed supporting plate, an inclined connecting rod, a control connecting plate, a tensioning spring and a regulating screw rod; the fixed supporting plate is connected to the transverse supporting part in a matching manner; two sides of the fixed supporting plate are connected with the inner ends of the two movable supporting plates in a relatively sliding fit manner, and the outer ends of the two movable supporting plates are respectively fixedly connected with a limb clamping assembly; the two limb clamping components are oppositely arranged on two sides of the fixed supporting plate; one end of each of the two movable supporting plates is rotatably connected with one end of one of the inclined connecting rods, and the other ends of the two inclined connecting rods are rotatably connected with two ends of the control connecting plate; the middle part of the control connecting plate is in running fit with the middle part of the regulating screw rod; the regulating screw is matched in the internal thread groove of the fixed supporting plate through threads; the adjusting screw is sleeved with a tensioning spring, and the tensioning spring is located between the fixed supporting plate and the control connecting plate.
Optionally, the limb clamping assembly comprises a side plate, a longitudinal screw, a lifting slider and a clamping unit; the side plate is fixedly connected to the outer end of the movable supporting plate; the upper end and the lower end of the longitudinal screw rod are respectively matched with the upper end and the lower end of the longitudinal slideway of the side plate in a rotating way; the middle part of the longitudinal screw is connected with a lifting slide block which is in sliding fit with the longitudinal slide way through thread transmission; the inner end of the lifting slide block is fixedly connected with the clamping unit.
Optionally, the clamping unit comprises a support bracket, a rotating shaft, a turnover clamping plate, a first worm wheel and a first worm; the supporting bracket is fixedly connected to the inner end of the lifting slide block; the upper end and the lower end of the inner side of the supporting bracket are respectively and rotatably connected with one rotating shaft; the two rotating shafts are respectively and fixedly connected with a turnover clamping plate, and the two turnover clamping plates are arranged oppositely up and down; the outer ends of the two rotating shafts are respectively fixedly connected with the first worm wheel; the middle part of the first worm is rotationally matched on the support bracket and is positioned in the middle parts of the two rotating shafts; the upper end and the lower end of the first worm are respectively connected with one first worm wheel in a meshing transmission mode so as to drive the two first worm wheels to rotate in different rotating directions.
Optionally, the transverse supporting part comprises an angle adjusting assembly, a sliding bracket, a fixing bracket, a guide slider, a transverse seat, a plug column, a tension spring and an unlocking pulling plate; the limb fixing part is fixedly connected to the angle adjusting component; the angle adjusting assembly is connected to the outer end of the sliding bracket in a matching manner; the inner end of the sliding bracket is in sliding fit with the fixed bracket; the fixing bracket is fixed on the longitudinal supporting part; the inner end of the sliding bracket is fixedly connected with the upper end of the guide sliding block; the middle part of the guide sliding block is in sliding fit with the inner side slideway of the fixed bracket; the lower end of the guide sliding block is fixedly connected with a transverse seat; the middle part of the insertion column is in sliding fit with the transverse seat; the lower end of the inserting column is fixedly connected with an unlocking pulling plate, and the unlocking pulling plate is fixedly connected with the transverse seat through a tension spring; a plurality of locking jacks are arranged on the bottom surface of the fixed bracket at intervals from inside to outside; the upper end of the insertion column is inserted into one locking jack.
Optionally, the angle adjusting assembly comprises a second worm, a second worm wheel and a rotating vertical shaft; the second worm is connected to the outer end of the sliding bracket in a rotating fit manner; the second worm is in meshed transmission connection with the second worm wheel; the second worm wheel is fixed at the lower end of the rotating vertical shaft; the middle part of the rotating vertical shaft is in running fit with the sliding bracket; the upper end of the rotating vertical shaft is fixedly connected with the limb fixing part.
Optionally, the longitudinal support portion includes a lifting support plate, a fixed bracket, an upper slider, a lower slider and an external threaded shaft; the upper end of the lifting support plate is fixedly connected with the fixed bracket; the lower end of the lifting support plate is in sliding fit with the inner side of the fixed support; the lower end of the fixed bracket is fixed on the displacement adjusting part; the inner ends of the upper and lower sliding blocks are fixedly connected with the lower end of the lifting support plate; the outer ends of the upper and lower sliding blocks are matched with the middle part of the external thread shaft through threads; one end of the external thread shaft is in running fit with the fixed bracket; and the other end of the external thread shaft is fixed with an adjusting rotating block.
Optionally, the displacement adjusting part comprises an inverted T-shaped sliding block, a horizontal sliding groove frame, a guide transverse shaft and a locking bolt; the inverted T-shaped sliding block is in sliding fit with the horizontal sliding groove of the horizontal sliding groove frame; two ends of the guide transverse shaft are fixed at the left end and the right end of the horizontal sliding groove frame; the inverted T-shaped sliding block is in sliding fit with the middle of the guide transverse shaft, the inverted T-shaped sliding block is connected with a locking bolt in a threaded fit manner, and the inner side of the locking bolt is pressed against the guide transverse shaft; the upper end of the inverted T-shaped sliding block is fixedly connected with the fixed support.
Optionally, the clamping and mounting part comprises a center frame, a side sliding frame, a bidirectional screw, a side sliding block, a lower clamping block provided with an inward inclined plane, a guide vertical shaft and a tensioning pressure spring; the two sides of the central frame are respectively connected with a transverse frame plate of a side sliding frame in a sliding fit manner, the inner ends of the transverse frame plates of the two side sliding frames are respectively fixedly connected with a side sliding block, and the two side sliding blocks are in sliding fit in side sliding channels on the two sides of the central frame; the two side sliding blocks are oppositely connected to two ends of the bidirectional screw through threads, one end of the bidirectional screw is provided with left-hand threads, and the other end of the bidirectional screw is provided with right-hand threads; two ends of the bidirectional screw are rotatably matched with two ends of the center frame; the middle of the vertical frame plate of each side sliding frame is provided with a vertical slideway, and a guide vertical shaft is fixedly connected in each vertical slideway; the two guide vertical shafts are respectively connected with the outer end of a lower clamping block in a sliding fit manner, and the two lower clamping blocks are oppositely arranged; the guide vertical shaft is sleeved with a tensioning pressure spring, and the tensioning pressure spring is located between the lower clamping block and the bottom surface of the vertical slide way.
Optionally, the clamping and mounting part further comprises an adjusting rotating wheel, a third worm wheel, a wheel shaft and a displacement roller; the adjusting rotating wheel is fixedly connected to the outer end of the third worm; two ends of the third worm are in running fit with two ends of the middle part of the central frame; the axis of the third worm is vertical to the axis of the bidirectional screw; the third worm is in meshed transmission connection with a plurality of third worm wheels; the third worm gears are fixedly connected to the axle shafts; a plurality of wheel shafts are in parallel rotating fit in the rectangular groove at the lower end of the center frame; the axes of the plurality of wheel shafts are parallel to the axis of the bidirectional screw; two ends of each wheel shaft are respectively and fixedly connected with a displacement roller; the lower end of the displacement roller penetrates out of the rectangular groove in the lower end of the center frame.
The limb positioning device for tumor radiotherapy has the beneficial effects that:
the limb positioning device for tumor radiotherapy is mainly used for supporting and fixing the lower leg of a patient, so that the whole leg is fixed, the bending amplitude of the leg is changed, and radiation treatment is conveniently carried out on the thigh or the local position of the lower leg.
Compared with the prior art, the invention has the advantages that:
1. the adjustable limb fixing part is adopted inside, so that the legs of patients with different sizes can be clamped and fixed, the clamping force can be adjusted according to the requirement, and the comfort is improved;
2. the inner part of the supporting device is provided with a transverse supporting part which can be telescopically adjusted forwards and backwards, so that the supporting device is suitable for patients with different shank lengths, is convenient for supporting and placing the shanks with different lengths when being clamped near the joint connecting the shank and the thigh through a limb fixing part, and prevents the feet of the patient from being suspended;
3. the inner part of the support is provided with a longitudinal support part which can be adjusted in height, and the back side of the thigh of a patient can be exposed by adjusting the supporting height, so that the radiotherapy can be conveniently carried out on the thigh;
4. the inner part of the device adopts a displacement adjusting part which can be adjusted, and the displacement adjusting part can drive the horizontal positions of the longitudinal supporting part, the transverse supporting part and the limb fixing part to be adjusted, so that the left leg or the right leg can be conveniently supported and fixed;
5. the nursing bed is internally provided with a clamping installation part, the clamping installation part can be used for installing the nursing bed on nursing beds with different sizes, and the front and back positions can be adjusted after the nursing bed is installed.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention or related technologies, the drawings used in the description of the embodiments or related technologies will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a first general schematic diagram provided in accordance with an embodiment of the present invention;
FIG. 2 is a second overall view provided in accordance with an embodiment of the present invention;
FIG. 3 is a third overall view provided in accordance with an embodiment of the present invention;
FIG. 4 is a first schematic view of a limb fixation portion according to an embodiment of the present invention;
fig. 5 is a second schematic view of a limb fixation portion according to an embodiment of the present invention;
FIG. 6 is a schematic view of a limb gripping assembly provided in accordance with an embodiment of the invention;
FIG. 7 is a schematic view of a clamping unit according to an embodiment of the present invention;
FIG. 8 is a first schematic view of a lateral support portion according to an embodiment of the present invention;
FIG. 9 is a second schematic view of a lateral support portion according to an embodiment of the present invention;
FIG. 10 is a schematic view of a longitudinal support according to an embodiment of the present invention;
fig. 11 is a schematic view of a displacement adjustment portion provided in an embodiment of the present invention;
FIG. 12 is a schematic view of an angle adjustment assembly provided in accordance with an embodiment of the present invention;
FIG. 13 is a first view of a clamp mounting portion according to an embodiment of the present invention;
fig. 14 is a second schematic view of the clamping and mounting portion according to the embodiment of the invention.
Icon: a limb fixing part 1; a limb gripping assembly 101; a side plate 101A; a longitudinal screw 101B; a lifting slider 101C; a clamping unit 101D; a support bracket 101 Da; a rotating shaft 101 Db; overturning the clamping plate 101 Dc; the first worm wheel 101 Dd; a first worm 101 De; a movable pallet 102; a fixed pallet 103; a diagonal link 104; a control link plate 105; a tension spring 106; a regulating screw 107; a lateral bearing part 2; an angle adjustment assembly 201; the second worm 201A; a second worm wheel 201B; the rotating vertical shaft 201C; a sliding bracket 202; a fixing bracket 203; a guide slider 204; a cross seat 205; a plug-in post 206; a tension spring 207; the unlocking pull plate 208; a longitudinal support 3; a lifting support plate 301; a fixed bracket 302; an upper and lower slider 303; an externally threaded shaft 304; a displacement adjusting section 4; an inverted T-shaped slider 401; a horizontal chute frame 402; a guide cross shaft 403; a locking bolt 404; a clamp mounting portion 5; a center frame 501; a side carriage 502; a bidirectional screw 503; a side slider 504; a lower clamping block 505; a guide vertical shaft 506; tensioning a pressure spring 507; an adjustment wheel 508; a third worm 509; a third worm gear 510; an axle 511; the roller 512 is displaced.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly disposed on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, refer to an orientation or positional relationship illustrated in the drawings for convenience in describing the present application and to simplify description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, the meaning of a plurality of or a plurality of is two or more unless specifically limited otherwise.
It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for understanding and reading the contents disclosed in the specification, and are not used for limiting the conditions that the present application can implement, so the present invention has no technical significance, and any structural modification, ratio relationship change or size adjustment should still fall within the scope of the technical content disclosed in the present application without affecting the efficacy and the achievable purpose of the present application. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present application, and changes or modifications in the relative relationship may be made without substantial technical changes.
The invention is described in further detail below with reference to fig. 1-14.
The first embodiment is as follows:
as shown in fig. 1-14, a limb positioning device for tumor radiotherapy comprises a limb fixing part 1, a transverse supporting part 2, a longitudinal supporting part 3, a displacement adjusting part 4 and a clamping installation part 5, wherein one end of the transverse supporting part 2 is connected with the limb fixing part 1 in a matching way; the other end of the transverse supporting part 2 is matched and connected with the longitudinal supporting part 3; the longitudinal supporting part 3 is connected to the displacement adjusting part 4 in a matching way; the displacement adjusting part 4 is connected to the clamping mounting part 5 in a matching manner.
When the limb positioning device for tumor radiotherapy is used, the lower leg of a patient is supported and fixed mainly through the limb fixing part 1; the inner part of the supporting device is provided with a transverse supporting part 2 which can be adjusted in a front-back telescopic manner, the supporting device is suitable for patients with different shank lengths, the supporting device is convenient for supporting the shanks with different lengths when the shanks are clamped near the joints connected with the thighs through the limb fixing parts, and the feet of the patients are prevented from being suspended; the inner part of the support part is provided with a longitudinal support part 3 which can be adjusted in height, and the back side of the thigh of a patient can be exposed by adjusting the supporting height, so that the radiotherapy can be conveniently carried out on the local position; a displacement adjusting part 4 capable of carrying out horizontal displacement adjustment is adopted in the device, and the displacement adjusting part 4 can drive the longitudinal supporting part 3, the transverse supporting part 2 and the limb fixing part 1 to carry out horizontal position adjustment so as to be convenient for supporting and fixing the left leg or the right leg; the inside of the nursing bed is provided with a clamping installation part 5, the clamping installation part 5 can be used for installing the nursing bed of the invention on nursing beds with different sizes, and the front and back positions can be adjusted after the nursing bed is installed; the leg positioning device can be used for radiotherapy positioning and leg operation treatment, and is convenient for adjusting the height of the leg, so that an operator can perform operations on the leg more stably and comfortably.
Example two:
as shown in fig. 1-14, the limb fixing part 1 comprises a limb clamping component 101, a movable supporting plate 102, a fixed supporting plate 103, a diagonal connecting rod 104, a control connecting plate 105, a tension spring 106 and a regulating screw 107; the fixed supporting plate 103 is connected to the transverse supporting part 2 in a matching way; two sides of the fixed supporting plate 103 are connected with the inner ends of the two movable supporting plates 102 in a relatively sliding fit manner, and the outer ends of the two movable supporting plates 102 are respectively fixedly connected with a limb clamping component 101; the two limb clamping components 101 are oppositely arranged on two sides of the fixed supporting plate 103; one end of each of the two movable supporting plates 102 is rotatably connected with one end of one of the two inclined connecting rods 104, and the other end of each of the two inclined connecting rods 104 is rotatably connected with two ends of the control connecting plate 105; the middle part of the control connecting plate 105 is rotationally matched with the middle part of the regulating screw 107; the adjusting screw 107 is matched in an internal thread groove of the fixed supporting plate 103 through threads; a tension spring 106 is sleeved on the adjusting screw 107, and the tension spring 106 is positioned between the fixed supporting plate 103 and the control connecting plate 105. The limb fixing part 1 can clamp and fix the legs of patients with different sizes, and the clamping force can be adjusted according to the requirement, so that the comfort is improved; when clamping and fixing are needed, the regulating screw 107 is rotated to change the position of the regulating screw 107 inserted into the fixed supporting plate 103 so as to drive the distance between the control connecting plate 105 and the fixed supporting plate 103 to be adjusted, when the control connecting plate 105 moves, the two inclined connecting rods 104 drive the two movable supporting plates 102 to slide relatively on the two sides of the inner end of the fixed supporting plate 103, and the two movable supporting plates 102 drive the distance between the two limb clamping components 101 to be adjusted, so that the device is suitable for clamping shanks with different thicknesses or clamping and fixing different positions of the shanks; when the distance between the control connecting plate 105 and the fixed supporting plate 103 is adjusted, the tensioning spring 106 can be compressed or stretched, the tensioning spring 106 plays a role in tensioning and limiting, the stability of the control connecting plate 105 after movement is improved, and finally the stability of the limb fixing part 1 after overall adjustment and fixation is improved.
Example three:
as shown in fig. 1-14, the limb clamping assembly 101 comprises a side plate 101A, a longitudinal screw 101B, a lifting slider 101C and a clamping unit 101D; the side plate 101A is fixedly connected to the outer end of the movable supporting plate 102; the upper end and the lower end of the longitudinal screw rod 101B are respectively matched with the upper end and the lower end of the longitudinal slideway of the side plate 101A in a rotating manner; the middle part of the longitudinal screw rod 101B is connected with a lifting slide block 101C which is in sliding fit in the longitudinal slide way through thread transmission; the inner end of the lifting slide block 101C is fixedly connected with the clamping unit 101D. The inside centre gripping unit 101D of limbs centre gripping subassembly 101 is used for carrying out the centre gripping to patient's shank and fixes, can adapt to different leg types through the upper and lower position of adjusting centre gripping unit 101D when carrying out the centre gripping for patient's shank is more comfortable when fixed, during the regulation, rotates vertical screw 101B and drives lifting slide 101C and be in slide from top to bottom in the vertical slide of curb plate 101A, lifting slide 101C drives centre gripping unit 101D and carries out the regulation of direction from top to bottom can.
The clamping unit 101D comprises a support bracket 101Da, a rotating shaft 101Db, a turnover clamping plate 101Dc, a first worm wheel 101Dd and a first worm 101 De; the supporting bracket 101Da is fixedly connected to the inner end of the lifting slide block 101C; the upper end and the lower end of the inner side of the supporting bracket 101Da are respectively connected with one rotating shaft 101Db in a rotating manner; the two rotating shafts 101Db are respectively and fixedly connected with an overturning clamping plate 101Dc, and the two overturning clamping plates 101Dc are arranged oppositely up and down; the outer ends of the two rotating shafts 101Db are respectively fixedly connected with a first worm gear 101 Dd; the middle part of the first worm 101De is rotationally matched on the support bracket 101Da and is positioned in the middle parts of the two rotating shafts 101 Db; the upper end and the lower end of the first worm 101De are respectively connected with one first worm wheel 101Dd in a meshing transmission mode so as to drive the two first worm wheels 101Dd to rotate in different rotating directions. Two inside upset splint 101Dc of centre gripping unit 101D are the setting of V-arrangement, can improve the travelling comfort to patient's shank centre gripping, and when patient's shank is thick, in order to improve the centre gripping effect, can change two the contained angle between the upset splint 101Dc for upset splint 101Dc carries out more stable fixed to the shank, when adjusting the contained angle between two upset splint 101Dc, rotates first worm 101De, can drive two first worm wheel 101Dd and carry out the synchronous rotation of different direction of rotation when first worm 101De rotates, two first worm wheel 101Dd drive two upset splint 101Dc through two pivot 101Db and carry out opposite direction's rotary motion, thereby adjust the contained angle between two upset splint 101 Dc.
Example four:
as shown in fig. 1 to 14, the lateral support part 2 includes an angle adjusting assembly 201, a sliding bracket 202, a fixing bracket 203, a guiding slider 204, a lateral seat 205, a plug column 206, a tension spring 207 and an unlocking pull plate 208; the limb fixing part 1 is fixedly connected to the angle adjusting component 201; the angle adjusting assembly 201 is connected to the outer end of the sliding bracket 202 in a matching way; the inner end of the sliding bracket 202 is in sliding fit with the fixed bracket 203; the fixing bracket 203 is fixed to the longitudinal support 3; the inner end of the sliding bracket 202 is fixedly connected with the upper end of the guide sliding block 204; the middle part of the guide sliding block 204 is in sliding fit in the inner side slideway of the fixed bracket 203; the lower end of the guide sliding block 204 is fixedly connected with a transverse seat 205; the middle part of the plug column 206 is in sliding fit with the horizontal seat 205; the lower end of the inserting column 206 is fixedly connected with an unlocking pulling plate 208, and the unlocking pulling plate 208 is fixedly connected with the transverse seat 205 through a tension spring 207; a plurality of locking insertion holes are arranged on the bottom surface of the fixing bracket 203 at intervals from inside to outside; the upper end of the plug-in post 206 is plugged into a locking socket. The overall length of the transverse supporting part 2 can be adjusted, so that the fixing bracket is convenient for patients with different shank lengths to use, the shanks with different lengths are supported, the feet of the patients are prevented from being suspended, the unlocking pull plate 208 is pulled downwards to drive the inserting column 206 to be separated from the locking inserting hole on the bottom surface of the fixing bracket 203 during adjustment, and then the sliding bracket 202 can be controlled to slide in the fixing bracket 203, so that the adjustment of the overall lengths of the fixing bracket 203 and the sliding bracket 202 is realized; and can also control through the angle adjusting assembly 201 the limb fixed part 1 and the sliding bracket 202 carry out the relative rotation of certain angle, be applicable to the leg and need lean out the radiotherapy or use when performing the operation of certain angle, patient's foot can break away from the support of sliding bracket 202 and fixed bracket 203 at this moment, only rely on the support of the limb fixed part 1 to put fixedly.
The angle adjusting assembly 201 comprises a second worm 201A, a second worm wheel 201B and a rotating vertical shaft 201C; the second worm 201A is connected to the outer end of the sliding bracket 202 in a rotating fit manner; the second worm 201A is in meshing transmission connection with the second worm wheel 201B; the second worm wheel 201B is fixed at the lower end of the rotating vertical shaft 201C; the middle part of the rotating vertical shaft 201C is rotationally matched on the sliding bracket 202; the upper end of the rotating vertical shaft 201C is fixedly connected with the limb fixing part 1. Need adjust when limbs fixed part 1 carries out certain angle's relative rotation with sliding bracket 202, rotate second worm 201A and drive second worm wheel 201B and rotate, can drive rotatory vertical axis 201C and rotate when second worm wheel 201B rotates, can drive when rotatory vertical axis 201C rotates limbs fixed part 1 with sliding bracket 202 carries out relative rotation, and because the structural property of second worm 201A and second worm wheel 201B, can realize the auto-lock after making it adjust, stability is good.
Example five:
as shown in fig. 1 to 14, the longitudinal support 3 includes a lifting support plate 301, a fixed bracket 302, an up-down slider 303 and an external threaded shaft 304; the upper end of the lifting support plate 301 is fixedly connected with the fixing bracket 203; the lower end of the lifting support plate 301 is in sliding fit with the inner side of the fixed support 302; the lower end of the fixed bracket 302 is fixed on the displacement adjusting part 4; the inner end of the upper and lower sliding block 303 is fixedly connected with the lower end of the lifting support plate 301; the outer ends of the upper and lower sliding blocks 303 are matched with the middle part of the external thread shaft 304 through threads; one end of the externally threaded shaft 304 is rotatably fitted on the fixed bracket 302; and an adjusting rotating block is fixed at the other end of the external thread shaft 304. The longitudinal supporting part 3 is used for adjusting the overall height of the transverse supporting part 2 and the limb fixing part 1, so that the thigh and the shank of a patient can be conveniently controlled to be bent in different amplitudes, and the radiation treatment can be conveniently carried out on different positions of the shank; when the overall height needs to be adjusted, the external thread shaft 304 is rotated to change the contact position of the external thread shaft 304 and the upper and lower sliding blocks 303, so that the upper and lower sliding blocks 303 can drive the lifting support plate 301 to perform vertical sliding motion in the fixed support 302, the overall height of the longitudinal support part 3 is adjusted, the adjustment and fixation of the overall height of the transverse support part 2 and the limb fixing part 1 are finally realized, and the adjustment of the longitudinal support part 3 is more suitable for performing operations on legs, especially for performing operations on shanks.
Example six:
as shown in fig. 1 to 14, the displacement adjusting portion 4 includes an inverted T-shaped slider 401, a horizontal chute frame 402, a guide cross shaft 403, and a locking bolt 404; the inverted T-shaped sliding block 401 is in sliding fit in a horizontal sliding groove of the horizontal sliding groove frame 402; two ends of the guide transverse shaft 403 are fixed at the left end and the right end of the horizontal chute frame 402; the inverted T-shaped sliding block 401 is in sliding fit with the middle of the guide transverse shaft 403, the inverted T-shaped sliding block 401 is connected with a locking bolt 404 through threaded fit, and the inner side of the locking bolt 404 is pressed against the guide transverse shaft 403; the upper end of the inverted T-shaped sliding block 401 is fixedly connected with the fixed bracket 302. The displacement adjusting part 4 is used for controlling the left and right positions of the longitudinal supporting part 3 and finally controlling the limb fixing part 1 to adjust the left and right positions so as to fix the left leg or the right leg; during adjustment, the locking bolt 404 is rotated to release the pressing on the guide transverse shaft 403, then the longitudinal support part 3 is slid to drive the inverted T-shaped sliding block 401 to slide in the horizontal sliding groove frame 402, so that the position can be adjusted, and finally the locking bolt 404 is rotated to tightly press on the guide transverse shaft 403 for fixing.
Example seven:
as shown in fig. 1 to 14, the clamping and mounting part 5 comprises a central frame 501, a side frame 502, a two-way screw 503, a side slide block 504, a lower clamping block 505 provided with an inward inclined slope, a guide vertical shaft 506 and a tension compression spring 507; the two sides of the central frame 501 are respectively connected with a transverse frame plate of one side sliding frame 502 in a sliding fit manner, the inner ends of the transverse frame plates of the two side sliding frames 502 are respectively fixedly connected with one side sliding block 504, and the two side sliding blocks 504 are in sliding fit in side sliding channels on the two sides of the central frame 501; the two side sliding blocks 504 are oppositely connected to two ends of a bidirectional screw 503 through threads, one end of the bidirectional screw 503 is a left-hand thread, and the other end of the bidirectional screw 503 is a right-hand thread; two ends of the bidirectional screw 503 are rotatably matched with two ends of the center frame 501; a vertical slide way is respectively arranged between the vertical frame plates of the two side sliding frames 502, and a guide vertical shaft 506 is respectively fixedly connected in the two vertical slide ways; the two guide vertical shafts 506 are respectively connected with the outer end of one lower clamping block 505 in a sliding fit manner, and the two lower clamping blocks 505 are arranged oppositely; a tensioning pressure spring 507 is sleeved on the guide vertical shaft 506, and the tensioning pressure spring 507 is positioned between the lower clamping block 505 and the bottom surface of the vertical slideway. The clamping installation part 5 is used for installing the nursing bed of the invention on nursing beds with different sizes, when the nursing bed is installed, the bidirectional screw 503 is rotated to control the two side sliding blocks 504 to drive the two side sliding frames 502 to slide outwards in the central frame 501 until the two side sliding frames 502 can be clamped at the two ends of the nursing bed, then the control center frame 501 presses on the nursing bed, the two-way screw 503 is rotated to drive the two side sliding blocks 504 to slide inwards, the two side sliding blocks 504 drive the two side sliding frames 502 to clamp at two sides of the nursing bed inwards, when sliding inwards, the two side sliding frames 502 can drive the inclined planes of the two lower clamping blocks 505 to contact with the lower end of the nursing bed and drive the lower clamping blocks 505 to slide downwards on the guide vertical shafts 506 to compress the tensioning compression springs 507, and the lower clamping blocks 505 can be fastened and clamped at the lower end of the nursing bed due to the arrangement of the tensioning compression springs 507, so that the nursing bed is suitable for nursing beds with different thicknesses.
The clamping installation part 5 further comprises an adjusting rotating wheel 508, a third worm 509, a third worm wheel 510, a wheel shaft 511 and a displacement roller 512; the adjusting rotating wheel 508 is fixedly connected to the outer end of the third worm 509; both ends of the third worm 509 are rotatably fitted to both ends of the middle part of the center frame 501; the axis of the third worm 509 is perpendicular to the axis of the bidirectional screw 503; the third worm 509 is in meshing transmission connection with a plurality of third worm gears 510; a plurality of third worm gears 510 are fixedly connected to a plurality of axles 511; a plurality of wheel shafts 511 are arranged side by side and rotatably matched in a rectangular groove at the lower end of the center frame 501; the axes of the plurality of axles 511 are parallel to the axis of the bidirectional screw 503; two ends of each wheel shaft 511 are respectively and fixedly connected with a displacement roller 512; the lower end of the displacement roller 512 penetrates through a rectangular groove at the lower end of the center frame 501. Inside displacement running roller 512 of centre gripping installation department 5 is equipped with a plurality of and a plurality of displacement running roller 512's wheel face roll cooperation on nursing bed 5 fixed centre gripping of centre gripping installation department still needs suitably to adjust on nursing bed during the position of centre gripping installation department 5, can adjust runner 508 through rotating and drive third worm 509 and rotate, can drive a plurality of third worm wheel 510 during third worm 509 rotates, and a plurality of third worm wheel 510 rotate and drive many shaft 511 and rotate, and many shaft 511 rotate and drive a plurality of displacement running roller 512 and rotate, and a plurality of displacement running roller 512 rotate through the frictional force with nursing bed, thereby roll on nursing bed, and then realize whole displacement on nursing bed of centre gripping installation department 5 is adjusted, and the structure setting of third worm 509 and third worm wheel 510 makes it can not move easily after adjusting.
The principle is as follows: when the limb positioning device for tumor radiotherapy is used, the lower leg of a patient is supported and fixed mainly through the limb fixing part 1; the inner part of the supporting device is provided with a transverse supporting part 2 which can be adjusted in a front-back telescopic manner, the supporting device is suitable for patients with different shank lengths, the supporting device is convenient for supporting the shanks with different lengths when the shanks are clamped near the joints connected with the thighs through the limb fixing parts, and the feet of the patients are prevented from being suspended; the inner part of the support part is provided with a longitudinal support part 3 which can be adjusted in height, and the back side of the thigh of a patient can be exposed by adjusting the supporting height, so that the radiotherapy can be conveniently carried out on the local position; a displacement adjusting part 4 capable of carrying out horizontal displacement adjustment is adopted in the device, and the displacement adjusting part 4 can drive the longitudinal supporting part 3, the transverse supporting part 2 and the limb fixing part 1 to carry out horizontal position adjustment so as to be convenient for supporting and fixing the left leg or the right leg; the inside of the nursing bed is provided with a clamping installation part 5, the clamping installation part 5 can be used for installing the nursing bed of the invention on nursing beds with different sizes, and the front and back positions can be adjusted after the nursing bed is installed; the leg positioning device can be used for radiotherapy positioning and leg operation treatment, and is convenient for adjusting the height of the leg, so that an operator can perform operations on the leg more stably and comfortably.
The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. It should be noted that, for those skilled in the art, it is possible to make several improvements and modifications to the present application without departing from the principle of the present application, and such improvements and modifications also fall within the scope of the claims of the present application.
It is further noted that, in the present specification, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Claims (10)
1. The utility model provides a tumour radiotherapy is with limbs positioner, includes limbs fixed part (1), horizontal supporting part (2), vertical supporting part (3), displacement adjustment portion (4) and centre gripping installation department (5), its characterized in that: one end of the transverse supporting part (2) is matched and connected with the limb fixing part (1); the other end of the transverse supporting part (2) is matched and connected with the longitudinal supporting part (3); the longitudinal supporting part (3) is connected to the displacement adjusting part (4) in a matching way; the displacement adjusting part (4) is connected to the clamping mounting part (5) in a matched mode.
2. The limb positioning device for tumor radiotherapy as set forth in claim 1, wherein: the limb fixing part (1) comprises a limb clamping component (101), a movable supporting plate (102), a fixed supporting plate (103), an inclined connecting rod (104), a control connecting plate (105), a tension spring (106) and a regulating screw (107); the fixed supporting plate (103) is connected to the transverse supporting part (2) in a matching manner; two sides of the fixed supporting plate (103) are connected with the inner ends of the two movable supporting plates (102) in a relatively sliding fit manner, and the outer ends of the two movable supporting plates (102) are respectively fixedly connected with a limb clamping assembly (101); the two limb clamping components (101) are oppositely arranged on two sides of the fixed supporting plate (103); one end of each of the two movable supporting plates (102) is rotatably connected with one end of one of the two inclined connecting rods (104), and the other end of each of the two inclined connecting rods (104) is rotatably connected with two ends of the control connecting plate (105); the middle part of the control connecting plate (105) is rotationally matched with the middle part of the regulating screw rod (107); the adjusting screw (107) is matched in an internal thread groove of the fixed supporting plate (103) through threads; the adjusting screw (107) is sleeved with a tensioning spring (106), and the tensioning spring (106) is located between the fixed supporting plate (103) and the control connecting plate (105).
3. The limb positioning device for tumor radiotherapy as set forth in claim 2, wherein: the limb clamping assembly (101) comprises a side plate (101A), a longitudinal screw (101B), a lifting slide block (101C) and a clamping unit (101D); the side plate (101A) is fixedly connected to the outer end of the movable supporting plate (102); the upper end and the lower end of the longitudinal screw rod (101B) are respectively in running fit with the upper end and the lower end of the longitudinal slideway of the side plate (101A); the middle part of the longitudinal screw (101B) is connected with a lifting slide block (101C) which is in sliding fit in the longitudinal slide way through thread transmission; the inner end of the lifting slide block (101C) is fixedly connected with the clamping unit (101D).
4. The limb positioning device for tumor radiotherapy as set forth in claim 3, wherein: the clamping unit (101D) comprises a support bracket (101Da), a rotating shaft (101Db), a turnover clamping plate (101Dc), a first worm wheel (101Dd) and a first worm (101 De); the supporting bracket (101Da) is fixedly connected to the inner end of the lifting slide block (101C); the upper end and the lower end of the inner side of the supporting bracket (101Da) are respectively connected with one rotating shaft (101Db) in a rotating way; the two rotating shafts (101Db) are respectively fixedly connected with a turnover clamping plate (101Dc), and the two turnover clamping plates (101Dc) are arranged oppositely up and down; the outer ends of the two rotating shafts (101Db) are respectively fixedly connected with one first worm wheel (101 Dd); the middle part of the first worm (101De) is rotationally matched on the bearing bracket (101Da) and is positioned in the middle parts of the two rotating shafts (101 Db); the upper end and the lower end of the first worm (101De) are respectively connected with one first worm wheel (101Dd) in a meshing transmission mode so as to drive the two first worm wheels (101Dd) to rotate in different rotating directions.
5. The limb positioning device for tumor radiotherapy as set forth in claim 1, wherein: the transverse supporting part (2) comprises an angle adjusting component (201), a sliding bracket (202), a fixing bracket (203), a guide sliding block (204), a transverse seat (205), an inserting column (206), a tension spring (207) and an unlocking pulling plate (208); the limb fixing part (1) is fixedly connected to the angle adjusting component (201); the angle adjusting assembly (201) is connected to the outer end of the sliding bracket (202) in a matching manner; the inner end of the sliding bracket (202) is in sliding fit with the fixed bracket (203); the fixing bracket (203) is fixed on the longitudinal support part (3); the inner end of the sliding bracket (202) is fixedly connected with the upper end of the guide sliding block (204); the middle part of the guide sliding block (204) is in sliding fit with the inner side slideway of the fixed bracket (203); the lower end of the guide sliding block (204) is fixedly connected with a transverse seat (205); the middle part of the plug-in column (206) is in sliding fit with the transverse seat (205); the lower end of the plug column (206) is fixedly connected with an unlocking pulling plate (208), and the unlocking pulling plate (208) is fixedly connected with the transverse seat (205) through a tension spring (207); a plurality of locking insertion holes are formed in the bottom surface of the fixing bracket (203) at intervals from inside to outside; the upper end of the plug column (206) is plugged in a locking jack.
6. The limb positioning device for tumor radiotherapy as set forth in claim 5, wherein: the angle adjusting assembly (201) comprises a second worm (201A), a second worm wheel (201B) and a rotating vertical shaft (201C); the second worm (201A) is connected to the outer end of the sliding bracket (202) in a rotating fit manner; the second worm (201A) is in meshed transmission connection with the second worm wheel (201B); the second worm wheel (201B) is fixed at the lower end of the rotating vertical shaft (201C); the middle part of the rotating vertical shaft (201C) is rotationally matched on the sliding bracket (202); the upper end of the rotating vertical shaft (201C) is fixedly connected with the limb fixing part (1).
7. The limb positioning device for tumor radiotherapy as set forth in claim 6, wherein: the longitudinal support part (3) comprises a lifting support plate (301), a fixed support (302), an upper sliding block, a lower sliding block (303) and an external thread shaft (304); the upper end of the lifting support plate (301) is fixedly connected with the fixed bracket (203); the lower end of the lifting support plate (301) is in sliding fit with the inner side of the fixed support (302); the lower end of the fixed support (302) is fixed on the displacement adjusting part (4); the inner ends of the upper and lower sliding blocks (303) are fixedly connected to the lower end of the lifting support plate (301); the outer ends of the upper and lower sliding blocks (303) are matched with the middle part of the external thread shaft (304) through threads; one end of the external thread shaft (304) is rotatably matched on the fixed bracket (302); and an adjusting rotating block is fixed at the other end of the external thread shaft (304).
8. The limb positioning device for tumor radiotherapy as set forth in claim 7, wherein: the displacement adjusting part (4) comprises an inverted T-shaped sliding block (401), a horizontal sliding groove frame (402), a guide transverse shaft (403) and a locking bolt (404); the inverted T-shaped sliding block (401) is in sliding fit with a horizontal sliding groove of the horizontal sliding groove frame (402); two ends of the guide transverse shaft (403) are fixed at the left end and the right end of the horizontal chute frame (402); the inverted T-shaped sliding block (401) is in sliding fit with the middle of the guide transverse shaft (403), the inverted T-shaped sliding block (401) is connected with a locking bolt (404) through threaded fit, and the inner side of the locking bolt (404) is pressed against the guide transverse shaft (403); the upper end of the inverted T-shaped sliding block (401) is fixedly connected with the fixed bracket (302).
9. The limb positioning device for tumor radiotherapy as set forth in claim 1, wherein: the clamping installation part (5) comprises a center frame (501), a side sliding frame (502), a bidirectional screw (503), a side sliding block (504), a lower clamping block (505) provided with an inward inclined plane, a guide vertical shaft (506) and a tensioning pressure spring (507); the two sides of the central frame (501) are respectively connected with a transverse frame plate of one side sliding frame (502) in a sliding fit manner, the inner ends of the transverse frame plates of the two side sliding frames (502) are respectively fixedly connected with one side sliding block (504), and the two side sliding blocks (504) are in sliding fit in side sliding ways on the two sides of the central frame (501); the two side sliding blocks (504) are oppositely connected to two ends of a bidirectional screw (503) through threads, one end of the bidirectional screw (503) is provided with left-hand threads, and the other end of the bidirectional screw (503) is provided with right-hand threads; two ends of the bidirectional screw (503) are rotatably matched with two ends of the central frame (501); a vertical slideway is respectively arranged between the vertical frame plates of the two side sliding frames (502), and a guide vertical shaft (506) is respectively and fixedly connected in the two vertical slideways; the two guide vertical shafts (506) are respectively connected with the outer end of a lower clamping block (505) in a sliding fit manner, and the two lower clamping blocks (505) are arranged oppositely; the guide vertical shaft (506) is sleeved with a tensioning compression spring (507), and the tensioning compression spring (507) is located between the lower clamping block (505) and the bottom surface of the vertical slide way.
10. The limb positioning device for tumor radiotherapy as set forth in claim 9, wherein: the clamping installation part (5) further comprises an adjusting rotating wheel (508), a third worm (509), a third worm wheel (510), a wheel shaft (511) and a displacement roller (512); the adjusting rotating wheel (508) is fixedly connected to the outer end of the third worm (509); two ends of the third worm (509) are rotatably matched with two ends of the middle part of the central frame (501); the axis of the third worm (509) is perpendicular to the axis of the bidirectional screw (503); the third worm (509) is in meshed transmission connection with a plurality of third worm wheels (510); the third worm gears (510) are fixedly connected to the axles (511); a plurality of wheel shafts (511) are in parallel rotating fit in a rectangular groove at the lower end of the center frame (501); the axes of the plurality of wheel shafts (511) are parallel to the axis of the bidirectional screw (503); two ends of each wheel shaft (511) are respectively and fixedly connected with a displacement roller (512); the lower end of the displacement roller (512) penetrates through a rectangular groove at the lower end of the center frame (501).
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| CN202110108694.0A CN112933426B (en) | 2021-01-27 | 2021-01-27 | Limb positioning device for tumor radiotherapy |
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| CN113521567A (en) * | 2021-07-18 | 2021-10-22 | 丁光祥 | Radiotherapy body membrane and low temperature thermoplastic film applying device |
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