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CN113100743B - Dynamic MRI scanning auxiliary device for spine - Google Patents

Dynamic MRI scanning auxiliary device for spine Download PDF

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Publication number
CN113100743B
CN113100743B CN202110281891.2A CN202110281891A CN113100743B CN 113100743 B CN113100743 B CN 113100743B CN 202110281891 A CN202110281891 A CN 202110281891A CN 113100743 B CN113100743 B CN 113100743B
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China
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flexion
column
support
gear
extension bar
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CN113100743A (en
Inventor
沈彬
焦亚桂
张谨
陆玮
焦大勇
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Shanghai East Hospital
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Individual
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  • Orthopedics, Nursing, And Contraception (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)

Abstract

The invention provides a dynamic nuclear magnetic scanning auxiliary device for spine, which solves the problems of dynamic nuclear magnetic scanning and the like and comprises a support platform, wherein a back bendable position pad component for bearing the back of a human body and a shoulder and back adjustable fixing component for bearing the cervical vertebra and the head of the human body are arranged on the support platform, the shoulder and back adjustable fixing component comprises a head support piece movably arranged in the middle of a support column and opposite to the head of the human body, sliding blocks are respectively fixed at two ends of the support column, the sliding blocks are matched with a sliding frame body vertically arranged on the support platform and vertically lift relative to a sliding groove in the sliding frame body, two ends of the support column are respectively connected with the support frame body in a rotating way, the other end of the support frame body is connected with the support platform through a gear and rack fixing component, and a locking mechanism for fixing the included angle between the support frame body and the support platform or the sliding frame body is arranged between the gear and the support frame body. The invention has the advantages of stable structure, convenient dynamic scanning and the like.

Description

Spine dynamic nuclear magnetic scanning auxiliary device
Technical Field
The invention belongs to the technical field of nuclear magnetic detection, and particularly relates to a dynamic nuclear magnetic scanning auxiliary device for a spine.
Background
Nuclear magnetic resonance scanners use very strong magnetic fields and radio waves that interact with protons in tissue to generate signals that are then processed to form an image of the human body. When dynamic nuclear magnetic scanning is performed, a subject is generally required to follow a single uniform motion track as much as possible within a specified time so as to obtain a better imaging result, but a plurality of adverse factors exist in the process of the subject, so that a large difference exists between the imaging result and the traditional nuclear magnetic resonance, and the popularization of the application of the subject is limited. In addition, the conventional auxiliary support frame body cannot be adjusted, so that a comfortable back support is provided for the subject, and other unnecessary actions of the subject interfere with the detection result.
In order to solve the defects existing in the prior art, long-term exploration is performed, and various solutions are proposed. For example, chinese patent literature discloses a head and neck frame and a device [202010853631.3] having a head and neck frame, wherein a mounting portion of the head and neck frame includes a first movable region, a second movable region, and a third movable region, the movable portion of the head and neck frame includes a first movable member, a second movable member, and a rotating member that are rotatably connected, an end portion of the first movable member moves in the first movable region, an end portion of the second movable member moves in the second movable region, and an end portion of the rotating member moves in a third movable region, for adjusting a connection angle between the first movable member and the second movable member, and driving the cervical vertebra and the head to bend and stretch at multiple angles together with the movable portion.
The scheme solves the problem that the nuclear magnetic detection auxiliary frame body cannot move to a certain extent, but the scheme still has a plurality of defects, such as inconvenient dynamic nuclear magnetic scanning and the like.
Disclosure of Invention
The invention aims at providing the spine dynamic nuclear magnetic scanning auxiliary device which is reasonable in design and convenient to carry out dynamic nuclear magnetic scanning.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the spine dynamic nuclear magnetic scanning auxiliary device comprises a supporting platform, wherein a back bendable position pad assembly for bearing the back of a human body and a shoulder and back adjustable fixing assembly for bearing the cervical vertebra and the head of the human body are arranged on the supporting platform, the shoulder and back adjustable fixing assembly comprises a head supporting piece movably mounted in the middle of a supporting column and opposite to the head of the human body, sliding blocks are respectively fixed at two ends of the supporting column, the sliding blocks are matched with a sliding frame body vertically mounted on the supporting platform and vertically lift up and down relative to a sliding groove in the sliding frame body, two ends of the supporting column are respectively connected with the supporting frame body in a rotating manner, the other end of the supporting frame body is connected with the supporting platform through a gear rack fixing assembly, and a locking mechanism for fixing the supporting frame body and the supporting platform or an included angle of the sliding frame body is arranged between the gear rack fixing assembly and the supporting frame body. The shoulder and back adjustable fixing component is used for adjusting the height of the head support piece, and meanwhile uniform motion of the neck can be realized, so that dynamic nuclear magnetic scanning is facilitated.
In the dynamic nuclear magnetic scanning auxiliary device for the spine, the gear rack fixing assembly comprises a gear column rotationally connected between the ends of the support frame body, an adjusting gear is fixed on the gear column, an adjusting rack is fixed on the support platform and is arranged on one side of the slide frame body, and the adjusting gear is meshed with the adjusting rack relatively to roll. The gear rack fixing component keeps the shoulder and back adjustable fixing component in a stable triangular structure, and the relative angle change of the sliding frame body and the supporting frame is avoided.
In the dynamic nuclear magnetic scanning auxiliary device for the spine, the locking mechanism comprises locking rods arranged between the middle parts of the supporting frames, locking cover plates are rotationally connected to the locking rods, locking grooves extending along the longitudinal direction are formed in the upper side and the lower side of the gear column in a lap joint mode on the other side of the locking cover plates, and a plurality of locking strips clamped with the locking grooves are uniformly distributed on the outer sides of the gear column along the circumferential direction. The locking mechanism locks when the head support is adjusted to a proper height, so that the movement of the gear rack fixing assembly caused by the compression of the head support is avoided.
In the dynamic nuclear magnetic scanning auxiliary device for the spine, a driving seat body and a driving mechanism are fixedly arranged above the supporting platform in a relative mode, a driving column is fixed at the output end of the driving mechanism, the other end of the driving column is movably connected with the driving seat body, a telescopic damping rod is rotationally connected between the driving column and the gear column, a driving disc body is fixed on the driving column, a pull ring is rotationally connected on the gear column, a driving rope is connected between the driving disc body and the pull ring, and the driving mechanism comprises a driving motor opposite to the driving seat body or a driving handle fixed at the end of the driving column. The driving mechanism provides power for the shoulder and back adjustable fixing assembly, so that the head support piece can lift at a constant speed, and the head can complete the cervical vertebra flexion and extension movement at a constant speed within a specified time.
In the above-mentioned dynamic nuclear magnetic scanning auxiliary device for spine, the dorsum flexible position pad component has a flexible stretch groove arranged on the supporting platform, a first flexible stretch bar, a second flexible stretch bar and a third flexible stretch bar are respectively arranged at two sides of the interior of the flexible stretch groove, the first flexible stretch bar, the second flexible stretch bar, the third flexible stretch bar and the flexible stretch groove are mutually rotatably connected, a first fixed column is arranged between the rotary connection parts of the first flexible stretch bar and the flexible stretch groove, a second fixed column is arranged between the rotary connection parts of the first flexible stretch bar and the second flexible stretch bar, a third fixed column is arranged between the rotary connection parts of the third flexible stretch bar and the flexible stretch groove, a sliding fixed component for adjusting the rotary connection positions of the third flexible stretch bar and the flexible stretch groove is arranged between the third flexible stretch bar and the flexible stretch groove, and the upper parts of the first flexible stretch bar, the second flexible stretch bar and the third flexible stretch bar are covered by the position pad integrally made of non-metal materials. The relative angles of the first bending and stretching strip, the second bending and stretching strip and the third bending and stretching strip in the back bendable and stretchable posture pad assembly are adjustable, so that the posture pad above is fully attached to the back of a human body, and the use comfort of a tested person is improved after the frame body structure is adjusted.
In the dynamic nuclear magnetic scanning auxiliary device for the spine, two ends of the second bending and stretching strip are respectively connected with the first bending and stretching strip and the third bending and stretching strip in a rotating mode, a splicing groove is reserved between the second bending and stretching strips, a supporting block with an arc-shaped top is fixedly spliced above the splicing groove, and the upper end of the supporting block is attached to the lower portion of the posture pad. The support block is used for keeping the contact surface of the body position pad and the back to be arc-shaped and fit with the back curve of the human body.
In the dynamic nuclear magnetic scanning auxiliary device for the spine, the sliding fixing assembly comprises adjusting grooves which are fixed on two sides of the inside of the bending and stretching groove, an adjusting block is slidably arranged in the adjusting grooves, an adjusting plate is fixed between the adjusting blocks, a third bending and stretching strip is rotationally connected with the adjusting block, a pressing plate opposite to the adjusting plate is arranged below the bending and stretching groove, a pressing knob is connected to the adjusting plate in a threaded manner, and the lower end of the pressing knob and the pressing plate are in pressing fixing with the position of the adjusting block in the adjusting groove. The sliding fixing component is matched with the telescopic rod, so that the adjusting range of the back bendable position pad component is enlarged, and the device is suitable for testees of different sizes.
In the dynamic nuclear magnetic scanning auxiliary device for the spine, the body position pad comprises a base plate fixed above one end of the bending and stretching groove, one side, opposite to the bending and stretching groove, of the base plate is connected with a back pad, the back pad is covered above the first bending and stretching strip, the second bending and stretching strip and the third bending and stretching strip, and reinforcing ribs extending along the longitudinal direction are clamped in the back pad. The reinforcing ribs in the body position pad improve the bearing capacity of the body position pad and avoid the excessive deformation of the middle part of the body position pad caused by compression.
In the dynamic nuclear magnetic scanning auxiliary device for the spine, the supporting platform comprises an upper plate body and a lower plate body, wherein the tail of the upper plate body is connected with the lower plate body through a platform shaft in a rotating mode, a long plate opposite to the bottom of the upper plate body is fixed above the lower plate body, a lifting screw rod extending along the transverse direction is installed on the lower plate body through a screw rod seat, the lifting screw rod is in threaded engagement with a threaded sleeve, the other side of the threaded sleeve is connected with the lifting seat fixed below the upper plate body through a lifting rod in a rotating mode, a screw rod gear is fixed at the end of the lifting screw rod, a transmission screw rod meshed with the screw rod gear is installed above the lower plate body through a screw rod frame in a rotating mode, and a lifting handle for driving the transmission screw rod to rotate in situ is fixed at the end of the transmission screw rod. The supporting platform can be turned over, so that the user with inconvenience can get up conveniently.
In the dynamic nuclear magnetic scanning auxiliary device for the spine, the head supporting piece comprises a rotating sleeve sleeved on the supporting column, a supporting plate attached to the head is fixed above the rotating sleeve, the supporting plate is provided with a occipital part attached to occipital bones and a temporal part attached to temporal bones, swinging frames are fixed below two sides of the rotating sleeve, a swinging shaft is connected between the swinging frames in a rotating mode, a swinging handle is fixed on the side face of the swinging shaft, a swinging gear is fixed at one end of the swinging shaft, and the swinging gear is meshed with a swinging toothed plate arranged on the lower side of the supporting column. The head support is attached to the occipital and temporal bones to maintain the head in a centered position while being fine-tuned to accommodate head positions at different angles.
Compared with the prior art, the invention has the advantages that: the head support piece is matched with the shoulder and back adjustable fixing assembly, so that the bending and stretching movement is changed into single uniform-speed up-down movement, and dynamic nuclear magnetic scanning is realized; the shoulder and back adjustable fixing assembly is adjustable, so that the device is suitable for the radian of the back of a human body and improves the use comfort; the supporting platform can be turned over to help the testee rise, so that the use safety is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of another view of the present invention;
FIG. 3 is a schematic view of the structure of the lower plate of the present invention;
FIG. 4 is a schematic view of the structure of the upper plate body of the present invention;
In the drawing, a supporting platform 1, a platform shaft 11, an upper plate body 12, a lower plate body 13, a screw rod frame 131, a transmission screw rod 132, a lifting handle 133, a long plate 14, a screw rod seat 15, a lifting screw rod 16, a screw rod gear 161, a thread bush 17, a lifting rod 18, a lifting seat 19, a back bendable posture pad assembly 2, a bending groove 21, a first bending and stretching rod 22, a second bending and stretching rod 23, a third bending and stretching rod 24, a first fixing column 25, a second fixing column 26, a third fixing column 27, a telescopic rod 28, a supporting block 29, a shoulder adjustable fixing assembly 3, a supporting column 31, a sliding block 32, a sliding frame body 33, a sliding groove 34, a supporting frame body 35, a sliding fixing assembly 4, an adjusting groove 41, an adjusting block 42, an adjusting plate 43, a pressing plate 44, a pressing knob 45, a posture pad 5, a backing plate 51, a back pad 52, a reinforcing rib 53, a head supporting member 6, a rotating bush 61, a supporting plate 62, a pillow 63, a temporal part 64, a swinging frame 65, a swinging shaft 66, a swinging handle 67, a swinging gear 68, a swinging gear plate 69, a rack gear 7, a rack gear 71, a rack gear drive mechanism 92, a locking mechanism, a locking lever drive mechanism 93, a locking mechanism, a locking lever 93, a locking mechanism, a driving plate 93, a locking mechanism, a driving plate 93, a driving mechanism of the sliding plate 93, a driving the sliding plate 9, and a locking mechanism.
Detailed Description
The invention will be described in further detail with reference to the drawings and the detailed description.
As shown in fig. 1-4, the dynamic nuclear magnetic scanning auxiliary device for the spine comprises a supporting platform 1, wherein a back bendable body position pad component 2 for bearing the back of a human body and a shoulder and back adjustable fixing component 3 for bearing the cervical vertebra and the head of the human body are arranged on the supporting platform 1, the shoulder and back adjustable fixing component 3 comprises a head supporting piece 6 movably arranged in the middle of a supporting column 31 and opposite to the head of the human body, sliding blocks 32 are respectively fixed at two ends of the supporting column 31, the sliding blocks 32 are matched with a sliding frame body 33 vertically arranged on the supporting platform 1 and vertically lift relative to a sliding groove 34 in the sliding frame body 33, two ends of the supporting column 31 are respectively connected with a supporting frame body 35 in a rotating manner, the other end of the supporting frame body 35 is connected with the supporting platform 1 through a gear and rack fixing component 7, and a locking mechanism 8 for fixing an included angle between the supporting frame body 35 and the supporting platform 1 or the sliding frame body 33 is arranged between the gear and the supporting frame body 35. The sliding block 32 and the supporting column 31 drive the head supporting piece 6 to vertically lift relative to the sliding frame body 33, the lifting height of the head supporting piece is limited by the locking mechanism 8, and the height of the supporting column 31 is fixed by the supporting frame body 35 which is obliquely arranged.
In addition, the rack and pinion fixing assembly 7 includes a gear post 71 rotatably connected between the ends of the support frame 35, an adjusting gear 72 is fixed on the gear post 71, an adjusting rack 73 is fixed on the support platform 1, the adjusting rack 73 is disposed on one side of the sliding frame 33, and the adjusting gear 72 rolls in a meshed manner relative to the adjusting rack 73. The adjusting rack 73 is meshed with the adjusting gear 72, and the lower end of the supporting frame 35 is kept fixed relative to the supporting platform 1.
Simultaneously, locking mechanism 8 is including setting up the locking lever 81 between the support body 35 middle part, rotates on the locking lever 81 and is connected with locking apron 82, and locking apron 82 opposite side overlap joint is opened in gear post 71 top and below has the locking groove 83 that extends along the longitudinal direction, and the gear post 71 outside has a plurality of locking bars 84 with locking groove 83 block along circumference evenly distributed. After the locking bar 84 is clamped with the locking groove 83, the gear column 71 stops rolling, the adjusting gears 72 and the adjusting racks 73 fixed at the two ends of the gear column 71 are fixed, and the locking cover plate 82 is turned over when the height of the head support 6 needs to be adjusted.
Visibly, a driving seat body 9 and a driving mechanism 91 are fixed above the supporting platform 1, the driving column 92 is fixed at the output end of the driving mechanism 91, the other end of the driving column 92 is movably connected with the driving seat body 9, a telescopic damping rod 93 is rotationally connected between the driving column 92 and the gear column 71, a driving disc body 94 is fixed on the driving column 92, a pull ring 95 is rotationally connected on the gear column 71, a driving rope 96 is connected between the driving disc body 94 and the pull ring 95, and the driving mechanism 91 comprises a driving motor opposite to the driving seat body 9 or a driving handle 97 fixed at the end of the driving column 92. The driving handle 97 rotates, and the driving rope 96 pulls the gear post 71, so that the gear post 71 approaches the sliding frame body 33, and the head support 6 rises along with the sliding frame body; under the action of the head dead weight, the head support 6 falls down, and is kept stably by the telescopic damping rod 93.
Obviously, the back bendable body position pad component 2 is provided with a bending and stretching groove 21 arranged on the supporting platform 1, a first bending and stretching rod 22, a second bending and stretching rod 23 and a third bending and stretching rod 24 are respectively arranged on two sides of the inside of the bending and stretching groove 21, the first bending and stretching rod 22, the second bending and stretching rod 23, the third bending and stretching rod 24 and the bending and stretching groove 21 are in mutual rotation connection, a first fixing column 25 is arranged between the rotation connection part of the first bending and stretching rod 22 and the bending and stretching groove 21, a second fixing column 26 is arranged between the rotation connection part of the first bending and stretching rod 22 and the second bending and stretching rod 23, a third fixing column 27 is arranged between the rotation connection part of the third bending and stretching rod 24 and the bending and stretching groove 21, a length-adjustable telescopic rod 28 is in rotation connection between the third bending and stretching rod 24 and the bending and stretching groove 21, a sliding fixing component 4 for adjusting the rotation connection position of the third bending and stretching rod 24 and the bending and stretching groove 21 is arranged between the third bending and stretching rod 24, and a non-integral covering device is adopted by the auxiliary body position pad 5. The triangular stable structure is formed by the first bending and stretching strip 22, the second bending and stretching strip 23, the third bending and stretching strip 24 and the telescopic rod 28, and the relative angle is adjusted through the telescopic of the telescopic rod 28, so that the body position pad 5 covered above is attached to the back of a human body, the sliding fixing assembly 4 is matched with the back of the human body in different sizes, nonmetallic materials are integrally adopted, and the safety during nuclear magnetism detection is guaranteed.
Specifically, two ends of the second bending and stretching strip 23 are respectively connected with the first bending and stretching strip 22 and the third bending and stretching strip 24 in a rotating way, a splicing groove is reserved between the second bending and stretching strips 23, a supporting block 29 with an arc-shaped top is fixedly spliced above the splicing groove, and the upper end of the supporting block 29 is attached to the lower portion of the body position pad 5. The supporting blocks 29 are fixed with the second bending and stretching strips 23, so that the second bending and stretching strips 23 are not in direct contact with the body position pad 5, the supporting blocks 29 with different radians are replaced according to actual needs, and the pressure applied to the contact surface of the body position pad 5 and a human body is reduced.
In depth, the sliding fixing assembly 4 comprises adjusting grooves 41 fixed on two sides inside the bending and stretching grooves 21, adjusting blocks 42 are slidably installed in the adjusting grooves 41, adjusting plates 43 are fixed between the adjusting blocks 42, the third bending and stretching strip 24 is rotationally connected with the adjusting blocks 42, a pressing plate 44 opposite to the adjusting plates 43 is arranged below the bending and stretching grooves 21, pressing knobs 45 are connected to the adjusting plates 43 in a threaded mode, and the lower ends of the pressing knobs 45 and the pressing plates 44 are used for pressing and fixing positions of the adjusting blocks 42 in the adjusting grooves 41. The adjusting block 42 in the sliding fixing assembly 4 can slide relative to the adjusting slot 41, so as to drive the relative angle between the third bending and stretching strip 24 and the supporting platform 1 to change, and the rotary pressing knob 45 is rotated to fix the position of the rotary joint of the third bending and stretching strip 24 and the adjusting block 42.
Further, the posture pad 5 comprises a pad plate 51 fixed above one end of the bending and stretching groove 21, a back pad 52 is connected to the opposite side of the pad plate 51 to the bending and stretching groove 21, the back pad 52 covers the first bending and stretching strip 22, the second bending and stretching strip 23 and the third bending and stretching strip 24, and reinforcing ribs 53 extending along the longitudinal direction are clamped in the back pad 52. The reinforcing ribs 53 are disposed inside the back pad 52 and extend along the width direction thereof for improving the compression resistance of the back pad 52, and the back pad 52 is formed by compounding a flexible material and a hard plastic for dispersing the pressure applied by the back.
Preferably, the supporting platform 1 comprises an upper plate body 12 and a lower plate body 13, the tail parts of the upper plate body 12 and the lower plate body 13 are rotationally connected through a platform shaft 11, a long plate 14 opposite to the bottom of the upper plate body 12 is fixed above the lower plate body 13, a lifting screw rod 16 extending in the transverse direction is arranged on the lower plate body 13 through a screw rod seat 15, the lifting screw rod 16 is in threaded engagement with a threaded sleeve 17, the other side of the threaded sleeve 17 is rotationally connected with a lifting seat 19 fixed below the upper plate body 12 through a lifting rod 18, a screw rod gear 161 is fixed at the end head of the lifting screw rod 16, a transmission screw rod 132 meshed with the screw rod gear 161 is rotationally arranged above the lower plate body 13 through a screw rod frame 131, and a lifting handle 133 for driving the transmission screw rod 132 to rotate in situ is fixed at the end head of the transmission screw rod 132. The lifting handle 133 is rotated, and the upper plate body 12 is lifted by the lifting rod 18 to be folded relative to the lower plate body 13 under the action of screw transmission, so that the examinee can be lifted up conveniently.
It is apparent that the head support 6 includes a rotating sleeve 61 fitted over the support column 31, a support plate 62 fitted to the head is fixed above the rotating sleeve 61, the support plate 62 has a occipital portion 63 fitted to the occipital bone and a temporal portion 64 fitted to the temporal bone, a swing frame 65 is fixed below both sides of the rotating sleeve 61, a swing shaft 66 is rotatably connected between the swing frames 65 and a swing handle 67 is fixed to the side of the swing shaft 66, a swing gear 68 is fixed to one end of the swing shaft 66, and the swing gear 68 is engaged with a swing toothed plate 69 provided on the lower side of the support column 31. The support plate 62 fixes the head, and when the circumferential angle between the rotating sleeve 61 and the support column 31 needs to be adjusted, the swing handle 67 is broken to enable the support plate 62 to twist relative to the support column 31.
In summary, the principle of this embodiment is as follows: the sliding block 32 and the supporting column 31 drive the head support 6 to vertically lift relative to the sliding frame 33, the lifting height of the head support 6 is limited by the locking mechanism 8, the height of the supporting column 31 is fixed by the obliquely arranged supporting frame 35, the driving handle 97 rotates, and the driving rope 96 pulls the gear column 71, so that the gear column 71 is close to the sliding frame 33, and the head support 6 rises along with the lifting height; under the action of the head dead weight, the head support 6 falls down, and is kept stably by the telescopic damping rod 93.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Although the support deck 1, deck shaft 11, upper plate 12, lower plate 13, screw frame 131, drive screw 132, lifting handle 133, long plate 14, screw base 15, lifting screw 16, screw gear 161, screw sleeve 17, lifting bar 18, lifting base 19, dorsum-flexion-extension-position pad assembly 2, flexion-extension groove 21, first flexion-extension bar 22, second flexion-extension bar 23, third flexion-extension bar 24, first fixing column 25, second fixing column 26, third fixing column 27, telescoping rod 28, support block 29, dorsum-extension-adjustment-fixation assembly 3, support column 31, sliding block 32, sliding frame 33, sliding groove 34, support frame 35, sliding-fixation assembly 4, and so forth the terms of the adjusting groove 41, the adjusting block 42, the adjusting plate 43, the pressing plate 44, the pressing knob 45, the body position cushion 5, the backing plate 51, the back cushion 52, the reinforcing rib 53, the head support 6, the rotating sleeve 61, the supporting plate 62, the pillow 63, the temporal 64, the swinging frame 65, the swinging shaft 66, the swinging handle 67, the swinging gear 68, the swinging toothed plate 69, the rack and pinion fixing component 7, the gear post 71, the adjusting gear 72, the adjusting rack 73, the locking mechanism 8, the locking lever 81, the locking cover 82, the locking groove 83, the locking bar 84, the driving seat 9, the driving mechanism 91, the driving post 92, the telescopic damping lever 93, the driving disk 94, the pull ring 95, the driving rope 96, the driving handle 97, and the like, but does not exclude the possibility of using other terms. These terms are used merely for convenience in describing and explaining the nature of the invention; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present invention.

Claims (7)

1.一种脊柱动态核磁扫描辅助装置,包括支撑平台(1),所述的支撑平台(1)上设置有用于承载人体脊背的脊背可屈伸体位垫组件(2)以及承载人体颈椎以及头部的肩背可调固定组件(3),其特征在于,所述的肩背可调固定组件(3)包括活动安装在支撑柱(31)中部且与人体头部相对的头部支撑件(6),所述的支撑柱(31)两端分别固定有滑动块(32),所述的滑动块(32)与竖直安装在支撑平台(1)上的滑动架体(33)配合且相对滑动架体(33)内的滑动槽(34)上下升降,所述的支撑柱(31)两端分别与支撑架体(35)转动连接,所述的支撑架体(35)另一端通过齿轮齿条固定组件(7)与支撑平台(1)连接,所述的齿轮齿条固定组件(7)与支撑架体(35)之间设置有固定支撑架体(35)与支撑平台(1)夹角或支撑架体(35)与滑动架体(33)夹角的锁紧机构(8);所述的齿轮齿条固定组件(7)包括转动连接在支撑架体(35)端头之间的齿轮柱(71),所述的齿轮柱(71)上固定有调节齿轮(72),所述的支撑平台(1)上固定有调节齿条(73)且所述的调节齿条(73)设置在滑动架体(33)一侧,所述的调节齿轮(72)相对调节齿条(73)啮合滚动;所述的锁紧机构(8)包括设置在支撑架体(35)中部的锁紧杆(81),所述的锁紧杆(81)上转动连接有锁紧盖板(82),所述的锁紧盖板(82)另一侧搭接在齿轮柱(71)上方且下方开有沿纵向方向延伸的锁紧槽(83),所述的齿轮柱(71)外侧沿周向均匀分布有若干与锁紧槽(83)卡合的锁紧条(84);所述的头部支撑件(6)包括套在支撑柱(31)上的转动套(61),所述的转动套(61)上方固定有与头部贴合的支撑板(62),所述的支撑板(62)具有与枕骨贴合的枕部(63)以及与颞骨贴合的颞部(64),所述的转动套(61)两侧下方固定有摆动架(65),所述的摆动架(65)之间转动连接有摆动轴(66)且所述的摆动轴(66)侧面固定有摆动手柄(67),所述的摆动轴(66)一端固定有摆动齿轮(68),所述的摆动齿轮(68)与设置在支撑柱(31)下侧的摆动齿板(69)啮合。1. A spinal dynamic nuclear magnetic resonance scanning auxiliary device, comprising a support platform (1), the support platform (1) is provided with a spine flexible and extendable back pad assembly (2) for supporting a human spine and a shoulder and back adjustable fixing assembly (3) for supporting a human cervical spine and a head, characterized in that the shoulder and back adjustable fixing assembly (3) comprises a head support member (6) movably mounted in the middle of a support column (31) and opposite to a human head, and sliding blocks (32) are respectively fixed at both ends of the support column (31), and the sliding blocks (32) cooperate with a sliding frame (33) vertically mounted on the support platform (1) and are relative to a sliding groove (34) in the sliding frame (33). Lifting up and down, the two ends of the support column (31) are respectively rotatably connected to the support frame (35), the other end of the support frame (35) is connected to the support platform (1) through a gear rack fixing assembly (7), and a locking mechanism (8) is provided between the gear rack fixing assembly (7) and the support frame (35) to fix the angle between the support frame (35) and the support platform (1) or the angle between the support frame (35) and the sliding frame (33); the gear rack fixing assembly (7) includes a gear column (71) rotatably connected between the ends of the support frame (35), and an adjusting gear (72) is fixed on the gear column (71). The support platform (1) An adjusting rack (73) is fixed on the upper part and the adjusting rack (73) is arranged on one side of the sliding frame (33), and the adjusting gear (72) meshes and rolls relative to the adjusting rack (73); the locking mechanism (8) comprises a locking rod (81) arranged in the middle of the supporting frame (35), and a locking cover plate (82) is rotatably connected to the locking rod (81), and the other side of the locking cover plate (82) overlaps the upper part of the gear column (71) and has a locking groove (83) extending in the longitudinal direction at the lower part, and a plurality of locking strips (84) that are evenly distributed along the circumferential direction on the outer side of the gear column (71) and engage with the locking groove (83); the head support (6) The invention comprises a rotating sleeve (61) sleeved on a support column (31); a support plate (62) fitted to the head is fixed above the rotating sleeve (61); the support plate (62) has an occipital portion (63) fitted to the occipital bone and a temporal portion (64) fitted to the temporal bone; swing frames (65) are fixed below both sides of the rotating sleeve (61); a swing shaft (66) is rotatably connected between the swing frames (65); a swing handle (67) is fixed to the side of the swing shaft (66); a swing gear (68) is fixed to one end of the swing shaft (66); the swing gear (68) is meshed with a swing tooth plate (69) arranged at the lower side of the support column (31). 2.根据权利要求1所述的脊柱动态核磁扫描辅助装置,其特征在于,所述的支撑平台(1)上方固定相对设置的驱动座体(9)以及驱动机构(91),所述的驱动机构(91)的输出端固定有驱动柱(92)且所述的驱动柱(92)另一端与驱动座体(9)活动连接,所述的驱动柱(92)与齿轮柱(71)之间转动连接有伸缩阻尼杆(93),所述的驱动柱(92)上固定有驱动盘体(94),所述的齿轮柱(71)上转动连接有拉环(95),所述的驱动盘体(94)与拉环(95)之间连接有驱动绳(96),所述的驱动机构(91)包括与驱动座体(9)相对的驱动电机或固定在驱动柱(92)端头处的驱动手柄(97)。2. The spinal dynamic magnetic resonance imaging auxiliary device according to claim 1 is characterized in that a driving seat (9) and a driving mechanism (91) are fixedly arranged above the support platform (1), the output end of the driving mechanism (91) is fixed with a driving column (92) and the other end of the driving column (92) is movably connected to the driving seat (9), a telescopic damping rod (93) is rotatably connected between the driving column (92) and the gear column (71), a driving disc (94) is fixed on the driving column (92), a pull ring (95) is rotatably connected to the gear column (71), a driving rope (96) is connected between the driving disc (94) and the pull ring (95), and the driving mechanism (91) includes a driving motor opposite to the driving seat (9) or a driving handle (97) fixed at the end of the driving column (92). 3.根据权利要求1所述的脊柱动态核磁扫描辅助装置,其特征在于,所述的脊背可屈伸体位垫组件(2)具有设置在支撑平台(1)上的屈伸槽(21),所述的屈伸槽(21)内部两侧均安装有第一屈伸条(22)、第二屈伸条(23)和第三屈伸条(24),所述的第一屈伸条(22)、第二屈伸条(23)、第三屈伸条(24)与屈伸槽(21)互相转动连接,所述的第一屈伸条(22)与屈伸槽(21)转动连接处之间设置有第一固定柱(25),所述的第一屈伸条(22)与第二屈伸条(23)转动连接处之间设置有第二固定柱(26),所述的第三屈伸条(24)与屈伸槽(21)转动连接处之间设置有第三固定柱(27),所述的第二固定柱(26)与第三固定柱(27)之间转动连接有长度可调的伸缩杆(28),所述的第三屈伸条(24)与屈伸槽(21)之间设置调节第三屈伸条(24)与屈伸槽(21)转动连接位置的滑动固定组件(4),所述的第一屈伸条(22)、第二屈伸条(23)和第三屈伸条(24)上方由体位垫(5)覆盖,本辅助装置整体采用非金属材料。3. The spinal dynamic magnetic resonance scanning auxiliary device according to claim 1 is characterized in that the spinal flexible position pad assembly (2) has a flexion and extension groove (21) arranged on the support platform (1), and the first flexion and extension bar (22), the second flexion and extension bar (23) and the third flexion and extension bar (24) are installed on both sides of the flexion and extension groove (21), and the first flexion and extension bar (22), the second flexion and extension bar (23), and the third flexion and extension bar (24) are rotatably connected to the flexion and extension groove (21), and a first fixing column (25) is arranged between the rotation connection between the first flexion and extension bar (22) and the flexion and extension groove (21), and the first flexion and extension bar (22) and the second flexion and extension bar (24) are rotatably connected to each other. 23) A second fixing column (26) is arranged between the rotational connection, a third fixing column (27) is arranged between the rotational connection of the third flexion and extension bar (24) and the flexion and extension groove (21), a telescopic rod (28) with adjustable length is rotationally connected between the second fixing column (26) and the third fixing column (27), a sliding fixing component (4) for adjusting the rotational connection position of the third flexion and extension bar (24) and the flexion and extension groove (21) is arranged between the third flexion and extension bar (24) and the flexion and extension groove (21), the first flexion and extension bar (22), the second flexion and extension bar (23) and the third flexion and extension bar (24) are covered by a body position pad (5), and the auxiliary device is made of non-metallic material as a whole. 4.根据权利要求3所述的脊柱动态核磁扫描辅助装置,其特征在于,所述的第二屈伸条(23)两端分别与第一屈伸条(22)和第三屈伸条(24)转动连接,所述的第二屈伸条(23)留有插接槽且插接槽上方插接固定有顶部为弧形的支撑块(29),所述的支撑块(29)上端与体位垫(5)下方贴合。4. The spinal dynamic MRI scanning auxiliary device according to claim 3 is characterized in that the two ends of the second flexion and extension bar (23) are rotatably connected to the first flexion and extension bar (22) and the third flexion and extension bar (24) respectively, the second flexion and extension bar (23) has a plug-in slot and a support block (29) with an arc-shaped top is plugged and fixed above the plug-in slot, and the upper end of the support block (29) is in contact with the lower side of the positioning pad (5). 5.根据权利要求3所述的脊柱动态核磁扫描辅助装置,其特征在于,所述的滑动固定组件(4)包括固定在屈伸槽(21)内部两侧的调节槽(41),所述的调节槽(41)内滑动安装有调节块(42)且所述的调节块(42)之间固定有调节板(43),所述的第三屈伸条(24)与调节块(42)转动连接,所述的屈伸槽(21)下方设置有与调节板(43)相对的压紧板(44),所述的调节板(43)上螺纹连接有压紧旋钮(45),所述的压紧旋钮(45)下端与压紧板(44)顶压固定调节块(42)在调节槽(41)内的位置。5. The spinal dynamic magnetic resonance imaging auxiliary device according to claim 3 is characterized in that the sliding fixing assembly (4) comprises an adjusting groove (41) fixed on both sides of the flexion and extension groove (21), an adjusting block (42) is slidably installed in the adjusting groove (41), and an adjusting plate (43) is fixed between the adjusting blocks (42), the third flexion and extension bar (24) is rotatably connected to the adjusting block (42), a clamping plate (44) opposite to the adjusting plate (43) is arranged below the flexion and extension groove (21), a clamping knob (45) is threadedly connected to the adjusting plate (43), and the lower end of the clamping knob (45) and the clamping plate (44) press and fix the position of the adjusting block (42) in the adjusting groove (41). 6.根据权利要求5所述的脊柱动态核磁扫描辅助装置,其特征在于,所述的体位垫(5)包括固定在屈伸槽(21)一端上方的垫板(51),所述的垫板(51)与屈伸槽(21)相对的一侧连接有背垫(52),所述的背垫(52)覆盖在第一屈伸条(22)、第二屈伸条(23)和第三屈伸条(24)上方,所述的背垫(52)内夹有沿纵向方向延伸的加强筋条(53)。6. The spinal dynamic MRI scanning auxiliary device according to claim 5 is characterized in that the positioning pad (5) includes a pad (51) fixed above one end of the flexion and extension groove (21), and the pad (51) is connected to a back pad (52) on the side opposite to the flexion and extension groove (21), and the back pad (52) covers the first flexion and extension bar (22), the second flexion and extension bar (23) and the third flexion and extension bar (24), and the back pad (52) is sandwiched with a reinforcing rib (53) extending in the longitudinal direction. 7.根据权利要求1所述的脊柱动态核磁扫描辅助装置,其特征在于,所述的支撑平台(1)包括尾部通过平台轴(11)转动连接的上板体(12)和下板体(13),所述的下板体(13)上方固定有与上板体(12)底部相对的长板(14),所述的下板体(13)上通过螺杆座(15)安装有沿横向方向延伸的抬升螺杆(16),所述的抬升螺杆(16)与螺纹套(17)螺纹啮合,所述的螺纹套(17)另一侧通过抬升杆(18)与固定在上板体(12)下方的抬升座(19)转动连接,所述的抬升螺杆(16)端头处固定有螺杆齿轮(161),所述的下板体(13)上方通过螺杆架(131)转动安装有与螺杆齿轮(161)啮合的传动螺杆(132),所述的传动螺杆(132)端头处固定有带动传动螺杆(132)原位转动的抬升手柄(133)。7. The spinal dynamic MRI scanning auxiliary device according to claim 1 is characterized in that the support platform (1) comprises an upper plate (12) and a lower plate (13) which are rotatably connected at the rear through a platform shaft (11), a long plate (14) opposite to the bottom of the upper plate (12) is fixed on the upper side of the lower plate (13), a lifting screw (16) extending in the transverse direction is installed on the lower plate (13) through a screw seat (15), and the lifting screw (16) is threadedly connected to the threaded sleeve (17). The other side of the threaded sleeve (17) is rotatably connected to a lifting seat (19) fixed below the upper plate (12) via a lifting rod (18); a screw gear (161) is fixed at the end of the lifting screw (16); a transmission screw (132) meshing with the screw gear (161) is rotatably installed above the lower plate (13) via a screw frame (131); a lifting handle (133) is fixed at the end of the transmission screw (132) for driving the transmission screw (132) to rotate in situ.
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CN111904422A (en) * 2020-08-21 2020-11-10 中国人民解放军空军特色医学中心 Head and neck frame and equipment with same
CN215778059U (en) * 2021-03-16 2022-02-11 沈彬 Spinal column dynamic nuclear magnetic scanning auxiliary device

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