CN210750938U

CN210750938U - Positioning frame for human body radiotherapy

Info

Publication number: CN210750938U
Application number: CN201921297239.4U
Authority: CN
Inventors: 楚阿兰
Original assignee: Second Affiliated Hospital of Zhengzhou Unviersity
Current assignee: Second Affiliated Hospital of Zhengzhou Unviersity
Priority date: 2019-08-12
Filing date: 2019-08-12
Publication date: 2020-06-16
Anticipated expiration: 2029-08-12

Abstract

A liftable supporting plate is arranged above a bottom plate, side plates are fixedly connected to two sides of the surface of the upper end of the supporting plate, a turnable bed plate is arranged at the upper ends of the inner sides of the two side plates, two rows of arc-shaped baffles capable of moving along the opposite direction are sequentially arranged on the left side and the right side of the rear half part of the upper surface of the bed plate respectively, arc-shaped rods capable of moving along the opposite direction are arranged on the left side and the right side of the front half part of the upper surface of the bed plate respectively, and a control structure capable of controlling the arc-shaped rods; through manual regulation elevation structure, adjust the height of whole human radiotherapy locating rack, the suitable radiotherapy work of carrying out patient, through manual regulation revolution mechanic, can all-roundly observe patient and treatment, at treatment and the rotatory in-process of bed board, patient can move inevitable, fixes patient through human positioner.

Description

Positioning frame for human body radiotherapy

Technical Field

The utility model belongs to the technical field of medical equipment and specifically relates to a human radiotherapy locating rack is related to.

Background

The precise radiotherapy is generated on the basis of continuous development of computer and imaging technologies and continuous improvement of radiotherapy equipment, the precise radiotherapy requires precise positioning, precise planning, precise positioning and precise irradiation, although the radiotherapy has only decades of history but develops rapidly, with the help of development of CT imaging technology and computer technology, the current radiotherapy technology develops from two-dimensional radiotherapy to three-dimensional radiotherapy and four-dimensional radiotherapy technology, the radiotherapy dose distribution also develops from point dose to volume dose distribution, and the dose intensity adjustment in the volume dose distribution, the mainstream of the current radiotherapy technology comprises Stereotactic Radiotherapy (SRT) and Stereotactic Radiosurgery (SRS), and the Stereotactic Radiotherapy (SRT) comprises three-dimensional conformal radiotherapy (3DCRT) and three-dimensional conformal Intensity Modulated Radiotherapy (IMRT); the Stereotactic Radiosurgery (SRS) comprises an X Knife (X-Knife), a gamma Knife (Y Knife) and a wave-emitting Knife (Knife), and the X Knife, the gamma Knife, the wave-emitting Knife and other equipment belong to the field of stereotactic radiotherapy.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to prior art's not enough, provide human radiotherapy locating rack, the height that can be convenient for adjust the bed board can rotate at the treatment in-process, and the fixed ability is strong moreover, and convenience simple to use, the function is various, has solved the problem of mentioning in the above-mentioned background effectively.

In order to solve the above problems, the utility model adopts the following technical proposal:

human radiotherapy locating rack, comprising a base plate, the backup pad that the festival goes up and down is installed to the bottom plate top, the equal fixedly connected with curb plate in backup pad upper end surface both sides, and the bed board that can overturn is installed to two curb plate inboard upper ends, and two rows of cowl that can follow the relative direction and remove are installed respectively in proper order to the bed board upper surface latter half left and right sides, and the arc pole that can follow the relative direction and remove is all installed to the bed board upper surface former half left and right sides, the control structure of steerable arc pole upset is installed in the arc pole outside.

Preferably, bottom plate lower extreme surface four corners fixedly connected with service brake universal wheel, the rectangle through-hole has all been seted up downwards to bottom plate upper end surface, and first threaded rod is installed to rectangle through-hole inboard, and both ends are rotated and are connected at rectangle through-hole inboard surface around the first threaded rod, and first threaded rod surface both sides all have the threading board through threaded connection, and both ends all articulate about the threading board has the bracing piece and the bracing piece all with rectangle through-hole inboard both ends inner wall sliding connection about, the upper end of bracing piece all inclines to the outside and articulates the backup pad bottom.

Preferably, the front side and the rear side of the surface of the lower end of the bed board are fixedly connected with arc gears, the centers of the front surface and the rear surface of the bed board are provided with cylindrical grooves, the inner parts of the cylindrical grooves are rotatably connected with first supporting columns, the first supporting columns are coaxial with the arc gears, the lower ends of the arc gears are meshed with straight gears, the central parts of the straight gears are fixedly connected with second supporting rods, worm gears are arranged between the two straight gears, the worm gears and the two straight gears are coaxially and fixedly connected, the lower ends of the worm gears are meshed with worms, the left end surface of the worms is fixedly connected with a driven bevel gear, the driven bevel gear is meshed with a driving bevel gear, the central parts of the driving bevel gears are fixedly connected with a driving shaft, the front end surface of the driving shaft is fixedly connected with an adjusting rotating handle, the two, the front end surface of the front side plate is provided with a through hole, and the through hole is correspondingly and rotatably connected with a driving shaft.

Preferably, the left side and the right side of the middle part of the upper end surface of the bed board are fixedly connected with soft magic tapes, the left side and the right side of the rear half part of the upper end surface of the bed board are respectively and sequentially connected with a second adjusting block in a sliding manner, the left side and the right side of the front half part of the upper end surface of the bed board are respectively and slidably connected with a first adjusting block, the bed board surfaces of the lower sides of the first adjusting block and the second adjusting block are respectively provided with a clamping groove, the rear end surface of the first adjusting block is respectively and fixedly connected with a square body, the square body is respectively and threadedly connected with a second threaded rod, the outer end surface of the second threaded rod is respectively and fixedly connected with an adjusting valve, the inner sides of the square body are respectively and pivotally connected with an arc-shaped rod, the upper end surface of the arc-shaped rod is respectively and pivotally connected with a push block, the middle, the through-hole has all been seted up to first regulating block and second regulating block upper end surface center department, the cylinder groove has all been seted up to the through-hole lower extreme, the inside equal sliding connection of through-hole has the button, the equal fixedly connected with spring in button lower extreme surface, the spring lower extreme is fixed to be connected at cylinder tank bottom terminal surface, both ends all articulate about the button has the pinch bar, the pinch bar articulates at the recess inner wall, the pinch bar outer end all articulates there is the pull rod, two inside pull rod lower extremes of first regulating block articulate there is the square fixture block, two inside pull rod lower extremes of second regulating block articulate there is trapezoidal fixture block.

The utility model discloses novel structure, think about ingenious, easy operation is convenient, compares with prior art and has following advantage:

human radiotherapy locating rack has high fixed ability, prevents at rotatory in-process and the carelessness and the landing of human factor, prepares the radiotherapy in-process in advance, needn't select corresponding human radiotherapy locating rack because the height of radiotherapy instrument is uncomfortable, and human radiotherapy locating rack has the function of manual height-adjusting, and at the radiotherapy in-process, when needs patient upset, do not need patient oneself to accomplish the upset action, but medical personnel manual regulation upset handle overturns.

Drawings

Fig. 1 is the overall structure schematic diagram of the human body radiotherapy positioning frame of the utility model.

Fig. 2 is a schematic view of the bottom plate lifting structure of the positioning frame for human body radiotherapy.

Fig. 3 is a left view of the bed board rotating structure of the positioning frame for human body radiotherapy.

Fig. 4 is a front sectional view of the bed board rotating structure of the positioning frame for human body radiotherapy.

Fig. 5 is a sectional view of a second adjusting plate of the positioning frame for radiotherapy of human body.

Fig. 6 is a sectional view of the first adjusting plate of the positioning frame for radiotherapy of human body of the present invention.

Fig. 7 is the arc rod structure diagram of the positioning frame for human body radiotherapy of the present invention.

Reference numbers in the figures: 1-foot brake universal wheel, 8-height adjusting handle, 9-adjusting rotating handle, 10-first adjusting block, 11-second adjusting block, 12-soft magic tape, 14-side plate, 25-worm, 28-thread plate, 29-supporting rod, 30-first threaded rod, 31-bottom plate, 33-arc rod, 34-push block, 35-cube, 36-second threaded rod, 37-adjusting valve, 38-push rod, 40-button, 41-crow bar, 43-spring, 44-pull rod, 45-trapezoidal fixture block, 46-first supporting column, 47-arc gear, 48-straight gear, 49-second supporting rod, 50-driving shaft, 52-driven bevel gear, 53-driving bevel gear, 54-turbine, 60-square fixture block, 61-bed plate, 62-support plate and 63-arc baffle.

Detailed Description

The following are specific embodiments of the present invention, and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1-7, the utility model provides a human radiotherapy locating rack, including bottom plate 31, the backup pad 62 of liftable is installed to bottom plate 31 top, the equal fixedly connected with curb plate 14 in backup pad 62 upper end surface both sides, and bed board 61 that can overturn is installed to two 14 inboard upper ends of curb plates, and two rows of cowl 63 that can follow the relative direction and remove are installed respectively in proper order to the half left and right sides in bed board 61 upper surface later part, and the arc pole 38 that can follow the relative direction and remove is all installed to the half left and right sides in bed board 61 upper surface first part, the control structure of steerable arc pole 38 upset is installed in the arc pole 38 outside.

Bottom plate 31 is used for supporting whole locating rack, and backup pad 62 is used for supporting bed board 61, and bed board 61 is used for fixed patient, and adjustable elevating gear effect is that cooperation patient uses the radiotherapy instrument, and when patient was doing the radiotherapy, can accomplish the corresponding treatment to each position of patient according to the rotation to bed board 61, installs fixed human arc baffle 63 on the bed board 61, prevents that bed board 61 from rotating or the human landing of radiotherapy in-process, and arc pole 33 is used for fixed human low limbs.

Bottom plate 31 lower extreme surface four corners fixedly connected with service brake universal wheel 1, the rectangle through-hole has all been seted up downwards to bottom plate 31 upper end surface, and first threaded rod 30 is installed to rectangle through-hole inboard, and both ends are rotated around first threaded rod 30 and are connected at rectangle through-hole inboard surface, and first threaded rod 30 surface both sides all have screw plate 28 through threaded connection, and both ends all articulate about screw plate 28 has bracing piece 29 and bracing piece 29 all with the rectangle through-hole inboard both ends inner wall sliding connection about, the upper end of bracing piece 29 all inclines to the outside and articulates backup pad 62 bottom.

When the height of the supporting plate 62 needs to be adjusted, the height adjusting handle 8 is rotated, the first threaded rod 30 rotates, the front half part and the rear half part of the outer end surface of the first threaded rod 30 are respectively provided with threads with opposite rotation directions, the two threaded plates 28 can move in opposite directions in the two threaded plates under the rotation of the first threaded rod 30, the lower end of the outer side surface of the supporting rod 29 can be connected with the inner walls of the left end and the right end in the rectangular through hole in a sliding mode, the supporting rod 29 is limited to move back and forth, and therefore the height of the supporting plate 62 is adjusted.

Arc gears 47 are fixedly connected to the front side and the rear side of the surface of the lower end of the bed plate 61, cylindrical grooves are formed in the centers of the front surface and the rear surface of the bed plate 61, a first support column 46 is rotatably connected to the inner portion of each cylindrical groove and is coaxial with the arc gears 47, straight gears 48 are meshed with the lower ends of the arc gears 47, a second support rod 49 is fixedly connected to the center portion of each straight gear 48, a worm gear 54 is installed between the two straight gears 48, the worm gear 54 and the two straight gears 48 are coaxially fixedly connected, a worm 25 is meshed with the lower end of the worm gear 54, a driven bevel gear 52 is fixedly connected to the left end face of the worm 25, a driving bevel gear 53 is meshed with the driven bevel gear 52, a driving shaft 50 is fixedly connected to the center portion of the driving bevel gear 53, an adjusting rotating handle 9 is fixedly connected, the cylindrical grooves are respectively and correspondingly rotatably connected with a first supporting rod 46 and a second supporting rod 49, the front end surface of the front side plate 14 is provided with a through hole, and the through hole is correspondingly and rotatably connected with a driving shaft 50.

The adjusting rotary handle 9 is rotated by hand, the rotary handle drives the driving shaft 50, the driving shaft 50 drives the driving bevel gear 53, the driving bevel gear 53 is meshed with the driven bevel gear 52, the driven bevel gear 52 drives the worm 25, the worm 25 is rotationally meshed with the worm gear 54, the worm gear 54 drives the straight gears 48 at two sides, the straight gears 48 are meshed with the arc-shaped gear 47, the arc-shaped gear 47 is fixedly connected with the lower end surface of the bed plate 61, the arc-shaped gear 47 and the bed plate 61 rotate in the same way, because the worm 25 can rotate the worm wheel 54, the worm wheel 54 cannot rotate the worm 25, therefore, the worm wheel 54 and the worm 25 have a self-locking function, the cylindrical grooves formed in the two side plates 14 play a role in fixing and preventing the bed plate 61 from shaking up and down, the left end and the right end of the upper surface of the worm 25 are rotatably connected with bearing seats, the middle part of the outer surface of the driving shaft 50 is rotatably connected with the bearing seats, and the surfaces of the bearing seats are fixedly connected with the upper surface of the supporting plate 62.

The left side and the right side of the middle part of the upper end surface of the bed plate 61 are fixedly connected with soft magic tapes 12, the left side and the right side of the rear half part of the upper end surface of the bed plate 61 are respectively and sequentially connected with second adjusting blocks 11 in a sliding manner, the left side and the right side of the front half part of the upper end surface of the bed plate 61 are respectively and slidably connected with first adjusting blocks 10, the surfaces of the bed plates 61 on the lower sides of the first adjusting blocks 10 and the second adjusting blocks 11 are respectively provided with a clamping groove, the surface of the rear end of the first adjusting block 10 is fixedly connected with a square body 35, the square body 35 is respectively and threadedly connected with a second threaded rod 36, the surface of the outer end of the second threaded rod 36 is respectively and fixedly connected with an adjusting valve 37, the inner side of the square body 35 is respectively and articulatedly provided with an arc-shaped rod 33, the upper end surface of the arc-shaped rod 33 is respectively articulated with a push rod 38, the outer end of the push rod, the through-hole has all been seted up to 11 upper end surface center departments of first regulating block 10 and second regulating block, the cylinder groove has all been seted up to the through-hole lower extreme, the inside equal sliding connection of through-hole has button 40, the equal fixedly connected with spring 43 of 40 lower extreme surfaces of button, the fixed cylinder tank bottom end face of even of spring 43 lower extreme, both ends all articulate there is pinch bar 41 about button 40, pinch bar 41 central point puts and articulates at the recess inner wall, pinch bar 41 outer end all articulates there is pull rod 44, two pull rod 44 lower extremes of first regulating block 10 inside articulate there is square fixture block 60, two pull rod 44 lower extremes of second regulating block 11 inside articulate there is trapezoidal fixture block 45.

Most important organs of a human body are on the upper half part of the human body, so that the upper half part of the human body is more subjected to radiotherapy, when the radiotherapy is performed, the upper half part of the patient cannot be blocked by things, the shape of the second adjusting plate 11 is designed, when the patient lies on the bed plate 61, the patient can be clamped tightly according to different body types of the patient, the arc-shaped clamping plate 63 mainly performs a restraining effect on the upper part of the human body, the soft magic tape 12 performs a positioning and fixing effect on the hip part of the human body, the arc-shaped rod 33 mainly fixes the lower limbs of the human body, the human body is prevented from sliding in the process of overturning the bed plate 61, the second adjusting block 11 has a one-way self-locking function, the lower end of the second adjusting block 11 is provided with a trapezoidal clamping block 45 which slides up and down, the bed plate 61 corresponding to the trapezoidal clamping block 45 is provided with a triangular sliding groove, when the trapezoid fixture block 45 moves to the next triangle chute, the trapezoid fixture block 45 enters the triangle chute under the action of the second spring 43, the other surface of the trapezoid fixture block 45 contacts with the other surface of the triangle chute, the two surfaces are parallel, and the trapezoid fixture block cannot slide, so that the trapezoid fixture block can only do one-way movement, when the trapezoid fixture block needs to move to the other direction, the second button 40 is pressed, the second pry bar 41 hinged with the second button 40 moves upwards under the action of the fulcrum, the second pull bar 44 is pulled, the second pull bar 44 pulls the trapezoid fixture groove to move upwards and enter the second adjusting block 11, when the trapezoid fixture block moves to a required position, the second button 40 is released, the second button 40 can restore to the original state under the elastic force of the second spring 43, the working principle of the first adjusting block 10 and the second adjusting block 11 is different from that the square fixture block 60 is installed at the lower end of the first adjusting block 10, and when the square fixture block 60 enters the corresponding chute, any relative movement cannot occur, only pressing first button 55, drawing into first regulating block 10 inside square clamping block 60, first regulating block 10 can move, when patient's low limbs need be fixed, adjust first regulating block 10, rotate governing valve 37, governing valve 37 rotates second threaded rod 36, and second threaded rod 36 makes the distance change of ejector pad 34 and square body 35, and arc pole 33 can be done and open or closed motion, presss from both sides tightly human low limbs.

The utility model discloses according to patient's size when using, adjust second regulating block 11, make patient's upper half body card in the middle of two pairs of second regulating blocks 11, patient's buttock is fixed with soft magic subsides 12, patient's low limbs are fixed with first regulating block 10, adjust first regulating block 10 and be fit for the position, twist and move governing valve 37, make arc pole 33 closed, when needs patient is rotatory, rotate regulation twist grip 9, make bed board 61 rotatory, when needs adjust bed board 61 height, rotate height-adjusting handle 8, adjust bed board 61's height.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or scope of the invention as defined in the appended claims.

Claims

1. Human radiotherapy locating rack, including bottom plate (31), its characterized in that: backup pad (62) of liftable are installed to bottom plate (31) top, the equal fixedly connected with curb plate (14) in backup pad (62) upper end surface both sides, bed board (61) that can overturn are installed to two curb plate (14) inboard upper ends, bed board (61) upper surface latter half left and right sides installs two rows cowl (63) that can follow the relative direction and remove respectively in proper order, arc pole (33) that can follow the relative direction and remove are all installed to bed board (61) upper surface former half left and right sides, the control structure of steerable arc pole (33) upset is installed in the arc pole (33) outside.

2. The positioning frame for radiotherapy in human body of claim 1, wherein: bottom plate (31) lower extreme surface four corners fixedly connected with service brake universal wheel (1), the rectangle through-hole has all been seted up downwards to bottom plate (31) upper end surface, first threaded rod (30) are installed to rectangle through-hole inboard, both ends are rotated around first threaded rod (30) and are connected at rectangle through-hole inboard surface, first threaded rod (30) surface both sides all have screw plate (28) through threaded connection, both ends all articulate about screw plate (28) have bracing piece (29) and bracing piece (29) all with the rectangle through-hole inboard about both ends inner wall sliding connection, the upper end of bracing piece (29) all inclines to the outside and articulates backup pad (62) bottom.

3. The positioning frame for radiotherapy in human body of claim 1, wherein: the front and rear sides of the surface of the lower end of the bed plate (61) are fixedly connected with arc gears (47), cylindrical grooves are formed in the centers of the front and rear surfaces of the bed plate (61), first supporting columns (46) are rotatably connected inside the cylindrical grooves, the first supporting columns are coaxial with the arc gears (47), the lower ends of the arc gears (47) are meshed with straight gears (48), a second supporting rod (49) is fixedly connected to the center of each straight gear (48), a worm gear (54) is installed between the two straight gears (48), the worm gear (54) and the two straight gears (48) are coaxially fixedly connected, the lower end of the worm gear (54) is meshed with a worm (25), the left end face of the worm (25) is fixedly connected with a driven bevel gear (52), the driven bevel gear (52) is meshed with a driving bevel gear (53), the center of the driving bevel gear (53) is fixedly connected with a driving shaft (, both ends of the front surface and the rear surface of the supporting plate (62) are fixedly connected with side plates (14), two cylindrical grooves are formed in the inner surfaces of the two side plates (14), the inner parts of the cylindrical grooves are correspondingly and rotatably connected with a first supporting column (46) and a second supporting rod (49) respectively, a through hole is formed in the surface of the front end of the front side plate (14), and a driving shaft (50) is correspondingly and rotatably connected in the through hole.

4. The positioning frame for radiotherapy in human body of claim 1, wherein: the left side and the right side of the middle part of the upper end surface of the bed plate (61) are fixedly connected with soft magic tapes (12), the left side and the right side of the rear half part of the upper end surface of the bed plate (61) are respectively and sequentially connected with a second adjusting block (11) in a sliding manner, the left side and the right side of the front half part of the upper end surface of the bed plate (61) are respectively and slidably connected with a first adjusting block (10), the surfaces of the bed plates (61) on the lower sides of the first adjusting block (10) and the second adjusting block (11) are respectively provided with a clamping groove, the surface of the rear end of the first adjusting block (10) is respectively and fixedly connected with a square body (35), the square body (35) is respectively and threadedly connected with a second threaded rod (36), the surface of the outer end of the second threaded rod (36) is respectively and fixedly connected with an adjusting valve (37), the inner side of the, a second threaded rod (36) is in threaded connection with the middle of the push block (34), grooves are formed in the first adjusting block (10) and the second adjusting block (11), rectangular grooves are formed in the centers of the lower end surfaces of the first adjusting block (10) and the second adjusting block (11), through holes are formed in the centers of the upper end surfaces of the first adjusting block (10) and the second adjusting block (11), cylindrical grooves are formed in the lower ends of the through holes, buttons (40) are connected inside the through holes in a sliding mode, springs (43) are fixedly connected to the surfaces of the lower ends of the buttons (40), pry bars (41) are hinged to the left end and the right end of the bottom of the cylindrical groove, the central positions of the pry bars (41) are hinged to the inner wall of the grooves, pull bars (44) are hinged to the outer ends of the pry bars (41), clamping blocks (60) are hinged to the lower end sides of the two pull bars (44) in the first adjusting, the lower ends of two pull rods (44) in the second adjusting block (11) are hinged with trapezoidal fixture blocks (45).