阅读说明：本技术 一种血液透析可视防脱针肢体固定装置 (Visual anticreep needle limbs fixing device of hemodialysis ) 是由 卢亚飞 石燕 许敏霞 章莉 卜彩芳 江卫仙 于 2021-09-06 设计创作，主要内容包括：本发明涉及医疗器械技术领域,且公开了一种血液透析可视防脱针肢体固定装置,包括支撑板,所述支撑板的顶端安装有调节机构,所述调节机构的顶端安装有固定套,所述固定套的内部安装有电动推杆,所述电动推杆的顶端安装有调节齿轮,所述调节齿轮的外侧套装有支撑套。本发明通过向左侧拉动调节块在滑孔的内部滑动,能够带动活动块对第一弹簧进行压缩,从而带动限位插板从调节齿轮的齿缝中抽出,通过推动固定板能够带动调节齿轮在支撑套内部转动,方便对肢体固定的角度进行有效地调节,并且通过电动推杆的伸缩,能够对肢体的高度进行调整,能够使患者的肢体被固定后,能够调整到舒适的位置。(The invention relates to the technical field of medical instruments and discloses a hemodialysis visual anti-drop needle limb fixing device which comprises a supporting plate, wherein an adjusting mechanism is installed at the top end of the supporting plate, a fixing sleeve is installed at the top end of the adjusting mechanism, an electric push rod is installed inside the fixing sleeve, an adjusting gear is installed at the top end of the electric push rod, and a supporting sleeve is sleeved outside the adjusting gear. The adjusting block is pulled to the left side to slide in the sliding hole, the movable block can be driven to compress the first spring, the limiting inserting plate is driven to be drawn out from the tooth seam of the adjusting gear, the adjusting gear can be driven to rotate in the supporting sleeve by pushing the fixing plate, the angle of the limb can be effectively adjusted conveniently, the height of the limb can be adjusted by stretching and retracting the electric push rod, and the limb of a patient can be adjusted to a comfortable position after being fixed.)

1. The utility model provides a visual anticreep needle limb fixing device of hemodialysis, includes backup pad (1), its characterized in that, adjustment mechanism (6) are installed on the top of backup pad (1), fixed cover (2) are installed on the top of adjustment mechanism (6), the internally mounted of fixed cover (2) has electric putter (3), adjusting gear (20) are installed on the top of electric putter (3), the outside cover of adjusting gear (20) is equipped with supports cover (5), stop gear (4) are installed to the left bottom of support cover (5), the one end of stop gear (4) is passed and is supported cover (5) and be connected with adjusting gear (20), loose bearing (19) are installed to the interior roof of support cover (5), adjusting gear (20) are connected with loose bearing (19), fixed plate (9) are installed on the top of support cover (5), the fixing device is characterized in that a first arc-shaped plate (10) is installed at the top end of the fixing plate (9), a second arc-shaped plate (11) is movably installed at the top of the first arc-shaped plate (10), connecting plates (16) are installed on the right sides of the first arc-shaped plate (10) and the second arc-shaped plate (11), a fixing clamp frame (17) is sleeved at the middle parts of the two connecting plates (16) together, one connecting plate (16) of the fixing clamp frame (17) is movably connected, a fixing mechanism (7) is installed at the top end of the fixing clamp frame (17), a support frame (14) is installed at the middle part of the top end of the second arc-shaped plate (11), a first adjusting sleeve (13) is installed at the top end of the support frame (14), a first adjusting rod (12) is installed on the vertical threads in the first adjusting sleeve (13), the bottom end of the first adjusting rod (12) is inserted into the second arc-shaped plate (11) and is movably installed with a fixing clamp plate (15), the movable mechanisms (8) are installed on two sides of the top end of the fixed plate (9), and two sides of the first arc-shaped plate (10) are connected with the two movable mechanisms (8).

2. The visual anticreep needle limb fixing device of hemodialysis of claim 1, characterized in that, stop gear (4) are including installing spacing (41) at support cover (5) left side bottom, first spring (42) are installed to the left inner wall of spacing (41), movable block (44) are installed on the right side of first spring (42), spacing picture peg (46) are installed on the right side of movable block (44), the inside at adjusting gear (20) is passed support cover (5) and interlude on the right side of spacing picture peg (46), draw runner (43) have all transversely been seted up to the upper and lower both sides of spacing (41), regulating block (45) are all installed to the upper and lower both sides of movable block (44), regulating block (45) activity interlude is respectively in the inside of draw runner (43).

3. The hemodialysis visual anti-drop needle limb fixing device as claimed in claim 1, wherein the adjusting mechanism (6) comprises an adjusting groove (61) formed at the top end of the supporting plate (1), an adjusting plate (62) is movably mounted inside the adjusting groove (61), the adjusting plate (62) is connected with the bottom end of the fixing sleeve (2), a second adjusting sleeve (63) is mounted at the rear side of the top end of the adjusting plate (62), a second adjusting rod (64) is mounted on the inner thread of the second adjusting sleeve (63), and the bottom end of the second adjusting rod (64) passes through the adjusting plate (62) to be in contact with the inner wall of the adjusting groove (61).

4. The hemodialysis visual anti-drop needle limb fixing device as claimed in claim 1, wherein the fixing mechanism (7) comprises a fixing frame (71) installed at the top end of a fixing clamping frame (17), an adjusting pull rod (73) is vertically installed inside the fixing frame (71), a movable baffle (74) is installed at the bottom end of the adjusting pull rod (73), a second spring (72) is sleeved outside the adjusting pull rod (73), a fixing rod (75) is installed at the bottom end of the movable baffle (74), a fixing hole (30) is vertically formed in one side of the connecting plate (16), and the bottom end of the fixing rod (75) penetrates through the fixing clamping frame (17) and is movably inserted into the fixing hole (30).

5. The visual anti-drop needle limb fixing device for hemodialysis as claimed in claim 1, wherein the moving mechanism (8) comprises moving plates (81) installed on two sides of the top end of the fixing plate (9), fixed blocks (82) which are symmetrical front and back are installed on one opposite sides of the moving plates (81), a sliding rod (83) is installed on one opposite front and back sides of the fixed blocks (82) together, sliding sleeves (84) are installed on two sides of the first arc-shaped plate (10), and the sliding sleeves (84) are respectively sleeved on the outer sides of the sliding rod (83).

6. The hemodialysis visual anti-needle-off limb fixing device as claimed in claim 1, wherein limiting sleeves (28) are mounted on the front and rear sides of the top end of the second arc-shaped plate (11), limiting rods (29) which are symmetrical in the front and rear are mounted in the middle of the top end of the fixing clamping plate (15), and the tops of the limiting rods (29) are respectively movably inserted into the limiting sleeves (28).

7. The visual anti-drop needle limb fixing device for hemodialysis as claimed in claim 1, wherein a movable groove (25) is formed in the middle of the top end of the fixing plate (9), a threaded sleeve (26) connected with the first arc-shaped plate (10) is movably inserted in the movable groove (25), a threaded rod (27) is movably inserted in the movable groove (25), and the threaded rod (27) is in threaded connection with the threaded sleeve (26).

8. The visual anti-drop needle limb fixing device for hemodialysis according to claim 1, wherein a connecting frame (21) is installed at the bottom end of the supporting plate (1), a third adjusting sleeve (23) is installed in the middle of the bottom end of the connecting frame (21), a third adjusting rod (24) is installed in the third adjusting sleeve (23) through internal threads, and a fixing clamp plate (22) is movably installed at the top end of the third adjusting rod (24) through the connecting frame (21).

9. The hemodialysis visual anti-pin-off limb fixation device as recited in claim 1, wherein a sponge pad (18) is installed on the opposite side of the first arc-shaped plate (10) fixing clamping plate (15).

Technical Field

The invention relates to the technical field of medical instruments, in particular to a hemodialysis visual anti-drop needle limb fixing device.

Background

Maintenance Hemodialysis (MHD) has become one of the most prominent methods of treatment in end-stage renal replacement patients. And the establishment of a long-term stable unobstructed vascular access is the guarantee that MHD treatment is smoothly carried out. The autologous arteriovenous internal fistula (AVF) is a first choice long-term vascular access recognized at home and abroad due to the advantages of convenient operation, few complications, repeated puncture, stable blood flow, long service life and the like, and is often called as a life line of MHD patients. 16G puncture needles are needed for each dialysis, and subcutaneous hematoma is easy to appear due to repeated puncture, improper needle extraction and the like. When the organization of the hematoma leads to the stenosis of the actuated intravenous fistula, so that the blood flow of the internal fistula is insufficient to cause the internal fistula to have poor function, it is difficult to achieve sufficient hemodialysis, so that the life quality of a patient can be affected.

The patient is when carrying out hemodialysis usually, adopts the anticreep needle puncture in the blood vessel, the rocking of limbs appears in patient's hemodialysis's in-process, can cause certain influence to hemodialysis's in-process, thereby need fix patient's limbs, current fixing device is comparatively inconvenient when using, does not have the function of angle modulation, the posture that keeps comparatively inconvenient when leading to patient's carrying out hemodialysis, the visual anticreep needle limbs fixing device of hemodialysis is proposed to above-mentioned condition and is solved the above-mentioned problem that proposes.

Disclosure of Invention

The invention aims to solve the defects in the prior art, such as: the utility model discloses a visual anticreep needle of hemodialysis fixing device, including the needle of preventing falling, the needle of preventing falling is in the blood vessel, and the in-process of patient's hemodialysis appears rocking of limbs, can cause certain influence to the in-process of hemodialysis to need fix patient's limbs, current fixing device is comparatively inconvenient when using, does not have the function of angle modulation, the posture that keeps comparatively inconvenient when leading to patient's hemodialysis, and the visual anticreep needle of hemodialysis limb fixing device who provides.

In order to achieve the purpose, the invention adopts the following technical scheme:

a hemodialysis visual anti-drop needle limb fixing device comprises a supporting plate, wherein an adjusting mechanism is installed at the top end of the supporting plate, a fixed sleeve is installed at the top end of the adjusting mechanism, an electric push rod is installed inside the fixed sleeve, an adjusting gear is installed at the top end of the electric push rod, a supporting sleeve is sleeved outside the adjusting gear, a limiting mechanism is installed at the bottom of the left side of the supporting sleeve, one end of the limiting mechanism penetrates through the supporting sleeve to be connected with the adjusting gear, a movable bearing is installed on the inner top wall of the supporting sleeve, the adjusting gear is connected with the movable bearing, a fixed plate is installed at the top end of the supporting sleeve, a first arc plate is installed at the top end of the fixed plate, a second arc plate is movably installed at the top of the first arc plate, connecting plates are installed on the right sides of the first arc plate and the second arc plate, and a fixing clamping frame is sleeved at the middle parts of the two connecting plates, one of them connecting plate swing joint of fixing clip frame, fixed establishment is installed on the top of fixing clip frame, the mid-mounting on second arc top has the support frame, first adjusting collar is installed on the top of support frame, first regulation pole is installed to the inside vertical screw thread of first adjusting collar, the bottom of first regulation pole alternates in the inside of second arc and movable mounting has fixed cardboard, the moving mechanism is all installed to the both sides on fixed plate top, the both sides of first arc all are connected with two moving mechanism.

Preferably, stop gear is including installing the spacing frame in supporting cover left side bottom, first spring is installed to spacing left inner wall, the movable block is installed on the right side of first spring, spacing picture peg is installed on the right side of movable block, the right side of spacing picture peg is passed and is supported the cover and alternate in adjusting gear's inside, the slide opening has all transversely been seted up to spacing upper and lower both sides, the regulating block is all installed to the upper and lower both sides of movable block, the regulating block is movable respectively and alternates in the inside of slide opening.

Preferably, adjustment mechanism is including seting up the adjustment tank on backup pad top, the inside movable mounting of adjustment tank has the regulating plate, the regulating plate is connected with the bottom of fixed cover, the second adjusting collar is installed to the rear side on regulating plate top, the inside threaded mounting of second adjusting collar has the second to adjust the pole, the bottom of second regulation pole is passed the regulating plate and is contacted with the inner wall of adjustment tank.

Preferably, the fixing mechanism comprises a fixing frame installed at the top end of the fixing clamping frame, an adjusting pull rod is vertically installed in the fixing frame, a movable baffle is installed at the bottom end of the adjusting pull rod, a second spring is sleeved on the outer side of the adjusting pull rod, a fixing rod is installed at the bottom end of the movable baffle, a fixing hole is vertically formed in one side of the connecting plate, and the bottom end of the fixing rod penetrates through the fixing clamping frame to be movably inserted into the fixing hole.

Preferably, the movable mechanism includes the fly leaf of installation fixed plate top both sides, the fixed block of longitudinal symmetry is all installed to one side that the fly leaf is relative, the slide bar is installed jointly to relative one side around the fixed block, the sliding sleeve is all installed to the both sides of first arc, the sliding sleeve suit is in the outside of slide bar respectively.

Preferably, the front side and the rear side of the top end of the second arc-shaped plate are respectively provided with a limiting sleeve, the middle part of the top end of the fixed clamping plate is provided with a front limiting rod and a rear limiting rod, and the tops of the limiting rods are movably inserted into the limiting sleeves respectively.

Preferably, a movable groove is formed in the middle of the top end of the fixed plate, a threaded sleeve connected with the first arc-shaped plate is movably inserted into the movable groove, a threaded rod is movably inserted into the movable groove, and the threaded rod is in threaded connection with the threaded sleeve.

Preferably, the connecting frame is installed to the bottom of backup pad, the mid-mounting of connecting frame bottom has the third adjusting collar, the inside threaded mounting of third adjusting collar has the third to adjust the pole, the top of third regulation pole is passed the connecting frame movable mounting and is had solid fixed splint.

Preferably, the sponge pads are arranged on the opposite sides of the first arc-shaped plate fixing clamping plates.

Compared with the prior art, the invention has the beneficial effects that:

(1) according to the invention, the second arc-shaped plate is rightwards turned and placed above the first arc-shaped plate, so that the two connecting plates are mutually contacted, the fixing clamping frame is rotated, the fixing clamping frame is sleeved at the outer sides of the two connecting plates, the fixing rod can be driven to be inserted into the fixing hole through the pushing action of the second spring on the movable baffle plate, so that the first arc-shaped plate and the second arc-shaped plate can be connected, the fixing clamping plate can downwards move through rotating the first adjusting rod to rotate in the first adjusting sleeve, the limiting rod is inserted into the limiting sleeve, so that the fixing clamping plate is kept stable during moving, the bottom of the fixing clamping plate is contacted with the limb of a patient, and the limb of the patient can be fixed.

(2) The adjusting block is pulled to the left side to slide in the sliding hole, the movable block can be driven to compress the first spring, the limiting inserting plate is driven to be drawn out from the tooth seam of the adjusting gear, the adjusting gear can be driven to rotate in the supporting sleeve by pushing the fixing plate, the angle of the limb can be effectively adjusted conveniently, the height of the limb can be adjusted by stretching and retracting the electric push rod, and the limb of a patient can be adjusted to a comfortable position after being fixed.

(3) The adjusting plate can be adjusted back and forth by pulling the fixing sleeve to drive the adjusting plate to slide in the adjusting groove, so that the limb position of a patient can be conveniently adjusted to a proper position, the second adjusting rod is in threaded connection with the second adjusting sleeve, the second adjusting rod is locked with the inner part of the adjusting groove, the adjusting plate can be kept stable in the adjusting groove, the threaded sleeve is driven by the rotating threaded rod to move in the movable groove, the first arc-shaped plate and the second arc-shaped plate can be driven to move, accurate adjustment can be conveniently carried out according to the limb condition of the patient, and the limb of the patient can be conveniently fixed.

Drawings

FIG. 1 is a schematic cross-sectional view of the present invention;

FIG. 2 is an enlarged schematic view of FIG. 1 at A according to the present invention;

FIG. 3 is a schematic side view of the present invention;

FIG. 4 is a schematic structural diagram according to a first embodiment of the present invention;

FIG. 5 is a schematic structural diagram according to a second embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a third embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a fourth embodiment of the present invention;

fig. 8 is a schematic cross-sectional view of a second curved plate according to the present invention.

In the figure: 1. a support plate; 2. fixing a sleeve; 3. an electric push rod; 4. a limiting mechanism; 41. a limiting frame; 42. a first spring; 43. a slide hole; 44. a movable block; 45. an adjusting block; 46. a limiting inserting plate; 5. a support sleeve; 6. an adjustment mechanism; 61. an adjustment groove; 62. an adjusting plate; 63. a second adjusting sleeve; 64. a second adjusting lever; 7. a fixing mechanism; 71. a fixed mount; 72. a second spring; 73. adjusting the pull rod; 74. a movable baffle; 75. fixing the rod; 8. a movable mechanism; 81. a movable plate; 82. a fixed block; 83. a slide bar; 84. a sliding sleeve; 9. a fixing plate; 10. a first arc-shaped plate; 11. a second arc-shaped plate; 12. a first adjusting lever; 13. a first adjusting sleeve; 14. a support frame; 15. fixing the clamping plate; 16. a connecting plate; 17. fixing the clamp frame; 18. a sponge cushion; 19. a movable bearing; 20. an adjusting gear; 21. a connecting frame; 22. fixing the clamping plate; 23. a third adjusting sleeve; 24. a third adjusting rod; 25. a movable groove; 26. a threaded sleeve; 27. a threaded rod; 28. a limiting sleeve; 29. a limiting rod; 30. and (7) fixing holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-8, a hemodialysis visual anti-drop needle limb fixing device comprises a support plate 1, an adjusting mechanism 6 is installed at the top end of the support plate 1, a fixing sleeve 2 is installed at the top end of the adjusting mechanism 6, an electric push rod 3 is installed inside the fixing sleeve 2, an adjusting gear 20 is installed at the top end of the electric push rod 3, a support sleeve 5 is sleeved outside the adjusting gear 20, a limiting mechanism 4 is installed at the bottom of the left side of the support sleeve 5, one end of the limiting mechanism 4 penetrates through the support sleeve 5 to be connected with the adjusting gear 20, a movable bearing 19 is installed on the inner top wall of the support sleeve 5, the adjusting gear 20 is connected with the movable bearing 19, a fixing plate 9 is installed at the top end of the support sleeve 5, a first arc-shaped plate 10 is installed at the top end of the fixing plate 9, a sponge pad 18 is installed at one side of the first arc-shaped plate 10 opposite to a fixing clamping plate 15, and is contacted with the skin of a patient through the sponge pad 18, the patient can be protected, a movable groove 25 is formed in the middle of the top end of the fixed plate 9, a threaded sleeve 26 connected with the first arc-shaped plate 10 is movably inserted in the movable groove 25, a threaded rod 27 is movably inserted in the movable groove 25, the threaded rod 27 is in threaded connection with the threaded sleeve 26, the threaded rod 27 is rotated to drive the threaded sleeve 26 to move in the movable groove 25 and drive the first arc-shaped plate 10 and the second arc-shaped plate 11 to move to proper positions, the second arc-shaped plate 11 is movably installed at the top of the first arc-shaped plate 10, the connecting plates 16 are installed on the right sides of the first arc-shaped plate 10 and the second arc-shaped plate 11, a fixed clamping frame 17 is sleeved on the middle portions of the two connecting plates 16, the fixed clamping frame 17 and the connecting plates 16 are kept in a vertical state by rotating the fixed clamping frame 17, the two connecting plates 16 can be in contact with each other, one connecting plate 16 of the fixed clamping frames 17 is movably connected, the top end of the fixed clamping frame 17 is provided with a fixed mechanism 7, the middle part of the top end of the second arc-shaped plate 11 is provided with a supporting frame 14, the top end of the supporting frame 14 is provided with a first adjusting sleeve 13, the inside vertical thread of the first adjusting sleeve 13 is provided with a first adjusting rod 12, the bottom end of the first adjusting rod 12 is inserted into the inside of the second arc-shaped plate 11 and is movably provided with a fixed clamping plate 15, the first adjusting rod 12 is rotated to rotate in the first adjusting sleeve 13, the fixed clamping plate 15 can move downwards, the limbs of a patient can be fixed, the front side and the back side of the top end of the second arc-shaped plate 11 are both provided with limiting sleeves 28, the middle part of the top end of the fixed clamping plate 15 is provided with front and back symmetrical limiting rods 29, the top parts of the limiting rods 29 are respectively and movably inserted into the limiting sleeves 28, the fixed clamping plate 15 is kept stable when moving, the two sides of the top end of the fixed plate 9 are both provided with movable mechanisms 8, the both sides of first arc 10 all are connected with two moving mechanism 8, link 21 is installed to the bottom of backup pad 1, the mid-mounting of link 21 bottom has third adjusting collar 23, the inside screw thread of third adjusting collar 23 installs third regulation pole 24, the top of third regulation pole 24 is passed link 21 movable mounting and is had solid fixed splint 22, with link 21 joint on the bedstead, it meshes with third adjusting collar 23 mutually to rotate third regulation pole 24, it is fixed to drive solid fixed splint 22 to press from both sides tightly, make whole device remain stable.

The first embodiment is as follows:

as shown in fig. 4, the limiting mechanism 4 includes a limiting frame 41 installed at the bottom of the left side of the supporting sleeve 5, a first spring 42 is installed on the left inner wall of the limiting frame 41, a movable block 44 is installed on the right side of the first spring 42, a limiting insertion plate 46 is installed on the right side of the movable block 44, the right side of the limiting insertion plate 46 penetrates through the supporting sleeve 5 and is inserted into the adjusting gear 20, sliding holes 43 are transversely formed on the upper and lower sides of the limiting frame 41, adjusting blocks 45 are installed on the upper and lower sides of the movable block 44, the adjusting blocks 45 are respectively movably inserted into the sliding holes 43, the adjusting block 45 is pulled to the left side to slide in the sliding holes 43, the movable block 44 can be driven to compress the first spring 42, so as to drive the limiting insertion plate 46 to be drawn out from the tooth gaps of the adjusting gear 20, the adjusting gear 20 can be driven to rotate inside the supporting sleeve 5 by pushing the fixing plate 9, and the angle of the limb can be effectively adjusted, after the adjusting block 45 is released, the first spring 42 pushes the movable block 44, so that the limit inserting plate 46 can be inserted into the adjusted adjusting gear 20 again, and the fixed plate 9 with the adjusted angle can be fixed.

Example two:

as shown in fig. 5, the adjusting mechanism 6 includes an adjusting groove 61 formed at the top end of the supporting plate 1, an adjusting plate 62 is movably mounted inside the adjusting groove 61, the adjusting plate 62 is connected to the bottom end of the fixing sleeve 2, a second adjusting sleeve 63 is mounted on the rear side of the top end of the adjusting plate 62, a second adjusting rod 64 is mounted on the internal thread of the second adjusting sleeve 63, the bottom end of the second adjusting rod 64 penetrates through the adjusting plate 62 to contact with the inner wall of the adjusting groove 61, the second adjusting rod 64 is in threaded connection with the second adjusting sleeve 63, the second adjusting rod 64 is locked with the internal part of the adjusting groove 61, the adjusting plate 62 can be kept stable inside the adjusting groove 61, the front and rear positions of the whole device can be adjusted, and the adjustment can be performed reasonably according to the positions of the limbs of the patient.

Example three:

as shown in fig. 6, the fixing mechanism 7 includes a fixing frame 71 installed on the top of the fixing clamp frame 17, an adjusting pull rod 73 is vertically installed inside the fixing frame 71, a movable baffle plate 74 is installed at the bottom end of the adjusting pull rod 73, a second spring 72 is sleeved outside the adjusting pull rod 73, a fixing rod 75 is installed at the bottom end of the movable baffle plate 74, a fixing hole 30 is vertically formed in one side of the connecting plate 16, the bottom end of the fixing rod 75 penetrates through the fixing clamp frame 17 and movably penetrates inside the fixing hole 30, the second spring 72 pushes the movable baffle plate 74, the fixing rod 75 can be driven to penetrate inside the fixing hole 30, so that the first arc-shaped plate 10 and the second arc-shaped plate 11 can be connected, the first arc-shaped plate 10 and the second arc-shaped plate 11 can be kept in a fixed state, and the limbs of a patient can be prevented from moving.

Example four:

as shown in fig. 7, the movable mechanism 8 includes a movable plate 81 installed on two sides of the top end of the fixed plate 9, fixed blocks 82 symmetrical front and back are installed on one side of the movable plate 81, slide rods 83 are installed on one side of the fixed blocks 82 opposite front and back, sliding sleeves 84 are installed on two sides of the first arc-shaped plate 10, the sliding sleeves 84 are respectively sleeved on the outer sides of the slide rods 83, when the position of the first arc-shaped plate 10 is adjusted front and back, the first arc-shaped plate 10 drives the sliding sleeves 84 to slide on the slide rods 83, so that the first arc-shaped plate 10 can be kept stable when moving.

In the invention, when a user uses the device, the connecting frame 21 is clamped on a bed frame, the third adjusting rod 24 is rotated to be meshed with the third adjusting sleeve 23 to drive the fixed splint 22 to be clamped and fixed, so that the whole device is kept stable, the adjusting plate 62 is driven to slide in the adjusting groove 61 by pulling the fixed sleeve 2, so that the position of the limb of the patient can be adjusted back and forth, the limb of the patient can be conveniently adjusted to a proper position, the second adjusting rod 64 is in threaded connection with the second adjusting sleeve 63, so that the second adjusting rod 64 is locked with the adjusting groove 61, the adjusting plate 62 can be kept stable in the adjusting groove 61, the threaded sleeve 26 is driven to move in the movable groove 25 by rotating the threaded rod 27, the first arc-shaped plate 10 and the second arc-shaped plate 11 can be driven to move to a proper position, then the adjusting block 45 is pulled to slide in the sliding hole 43 towards the left side, the first spring 42 can be driven to compress the movable block 44, so as to drive the limiting inserting plate 46 to be drawn out from the tooth seam of the adjusting gear 20, the adjusting gear 20 can be driven to rotate in the supporting sleeve 5 by pushing the fixed plate 9, the fixed angle of limbs can be conveniently and effectively adjusted, the height of the limbs can be adjusted by stretching the electric push rod 3, the limbs can be adjusted to a proper height, the limbs of a patient are placed at the top of the first arc-shaped plate 10, the second arc-shaped plate 11 is turned over to be clamped above the limbs of the patient, so that the two connecting plates 16 are contacted with each other, the fixed clamping frame 17 is rotated, the fixed clamping frame 17 is sleeved at the outer sides of the two connecting plates 16, the fixed rod 75 can be driven to penetrate in the fixed hole 30 by the pushing action of the second spring 72 on the movable baffle plate 74, so as to connect the first arc-shaped plate 10 and the second arc-shaped plate 11, the first adjusting rod 12 is rotated inside the first adjusting sleeve 13, so that the fixing clamping plate 15 can move downwards, the limb of a patient can be fixed, and the limiting rod 29 penetrates through the limiting sleeve 28, so that the fixing clamping plate 15 is kept stable during moving.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

It is noted that, herein, relational terms such as first and second, and the like may be 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.