CN115006086A

CN115006086A - Patient limb restraint device for neurosurgery

Info

Publication number: CN115006086A
Application number: CN202210646012.6A
Authority: CN
Inventors: 李成聪; 胡兵兵; 孙亮亮; 谢添; 钱卫南
Original assignee: First Affiliated Hospital of Anhui Medical University
Current assignee: First Affiliated Hospital of Anhui Medical University
Priority date: 2022-06-08
Filing date: 2022-06-08
Publication date: 2022-09-06

Abstract

A patient limb restraint device for neurosurgery, effectively solves the problems that the limb of a patient can be restrained by a plurality of operations after the patient is lifted on a bed plate when the conventional patient limb restraint device for neurosurgery is used, not only wastes time and labor, but also increases the labor intensity of medical care personnel, meanwhile, the existing limb restraint device has the problems of simple structure, complex operation, inconvenient use and the like, and increases the working difficulty of medical care personnel, and comprises a bottom plate, the upper portion sliding connection of bottom plate can the back-and-forth movement the first support, the upper end fixedly connected with second plate body of first support, the front end of second plate body is equipped with the third plate body, the rear end of second plate body is equipped with first plate body, and the third plate body can upwards overturn along with the antedisplacement of first support, and the first plate body can overturn downwards along with the antedisplacement of first support, and the left side middle part sliding connection of first support has the second rack.

Description

Patient limb restraint device for neurosurgery

Technical Field

The invention relates to the technical field of medical assistance, in particular to a limb restraint device for a patient in neurosurgery.

Background

Neurosurgery is a branch of surgery, and is a branch of surgery, which is to apply a unique neurosurgery research method to research the injuries, inflammations, tumors, malformations and certain genetic metabolic disorders or dysfunctional diseases of human nervous systems, such as brain, spinal cord and peripheral nervous systems, and associated auxiliary mechanisms, such as skull, scalp, cerebral blood vessel meninges and other structures, on the basis of surgery as a main treatment means, such as: the etiology and pathogenesis of epilepsy, Parkinson's disease, neuralgia and other diseases, and a high, smart and advanced subject of new diagnosis, treatment and prevention technology are explored, neurosurgery is a subject for mainly treating diseases of nervous systems of brain, spinal cord and the like caused by trauma, such as cerebral hemorrhage and bleeding amount endangering life, brain trauma caused by car accidents, or brain tumor oppression requiring surgical treatment, and some patients suffering from mental diseases are accompanied by mania, so that the limbs of the patients need to be restrained when the patients suffering from mental diseases are treated, the situation that the limbs of the patients are restrained by unconscious swinging in the surgical process is avoided, the limb restraint of the patients can be carried out by more operations after the patients are lifted on a bed plate by the existing limb restraint device for neurosurgery patients, time and labor are wasted, and the labor intensity of medical care personnel is increased, meanwhile, the existing limb restraint device also has the problems of simple structure, complex operation, inconvenience in use and the like, and increases the working difficulty of medical personnel, so that the limb restraint device for the patient in neurosurgery is provided to meet the use requirement.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides the patient limb restraint device for the neurosurgery, and the patient limb restraint device for the neurosurgery effectively solves the problems that the limb of a patient can be restrained only through a plurality of operations after the patient is lifted on a bed plate when the conventional patient limb restraint device for the neurosurgery is used, time and labor are wasted, the labor intensity of medical staff is increased, meanwhile, the problems that the conventional limb restraint device is simple in structure, complex in operation, inconvenient to use and the like exist, and the working difficulty of the medical staff is increased.

In order to achieve the purpose, the invention provides the following technical scheme: the invention comprises a bottom plate, the upper part of the bottom plate is connected with a first bracket which can move back and forth in a sliding way, the upper end of the first bracket is fixedly connected with a second plate body, the front end of the second plate body is provided with a third plate body, the rear end of the second plate body is provided with a first plate body, the third plate body can turn upwards along with the forward movement of the first bracket, the first plate body can turn downwards along with the forward movement of the first bracket, the middle part of the left side of the first bracket is connected with a second rack in a sliding way, the second rack can move up and down along with the forward and backward movement of the first bracket, the upper part of the left side of the third plate body is hinged with a seventh connecting rod, the seventh connecting rod can turn left and right along with the up and down movement of the second rack, the upper part of the third plate body is hinged with a first fixing body, the first fixing body can rise and fall along with the left and right turning of the seventh connecting rod, the outer side of the first bracket is provided with two first connecting rods which are arranged in a left and right symmetry way, two first connecting rods can simultaneously outwards or inwards overturn along with the reciprocating of second rack, the inboard of every first connecting rod is equipped with the second fixed body respectively, the inboard of the second fixed body is equipped with the fifth fixed body, the second fixed body can move down when the first connecting rod is inwards overturned, the fifth fixed body can inwards overturn when the first connecting rod is inwards overturned, the outside of first plate body is equipped with two eighth fixed bodies, two eighth fixed body bilateral symmetry arrange, the inboard of every eighth fixed body is equipped with the third fixed body respectively, two eighth fixed bodies can inwards move simultaneously when the first plate body upwards overturns, two third fixed bodies can outwards move simultaneously when the first plate body upwards overturns.

Preferably, the lower part of the first plate body is uniformly and rotatably connected with four rotating wheels, the rotating wheels are slidably connected with the bottom plate, the lower end of the bottom plate is uniformly and fixedly connected with four universal wheels, the middle part of the bottom plate is fixedly connected with a first rack, the upper end of the first rack is engaged with a second gear, the second gear is rotatably connected with the lower part of the first support, the right side of the second gear is coaxially and fixedly connected with a worm wheel, the upper end of the worm wheel is engaged with a worm, the front end of the worm is fixedly connected with a motor, the motor is fixedly connected with the first support, the upper end of the second gear is engaged with a first moving body, the first moving body is slidably connected with the lower part of the first support, the upper end of the first moving body is slidably connected with a sixth fixing body, the left side and the right side of the sixth fixing body are respectively and fixedly connected with fourth supports, the outer side of the front end of each fourth support is respectively hinged with a second support, the upper end of the second support is fixedly connected with the third plate body, the rear end outside of every fourth support articulates respectively has the third support, the upper end and the first plate body fixed connection of third support.

Preferably, the front end of the first support is connected with two fifth gears in a rotating mode, the two fifth gears are arranged in a bilateral symmetry mode, the middle portion and the left side of the second rack are connected with the second support in a sliding mode, the upper end of the second rack is meshed with the third gear, the right side of the third gear is coaxially fixedly connected with the first belt wheel, and the first belt wheel is coaxially fixedly connected with the two fifth gears.

Preferably, the outer edge of the first belt wheel is connected with a first belt, the front end of the first belt is connected with a second belt wheel, the right end of the second belt wheel is coaxially and fixedly connected with a third bevel gear, the front end of the third bevel gear is meshed with a fourth bevel gear, the front end of the fourth bevel gear is coaxially and fixedly connected with a fifth belt wheel, the fifth belt wheel is rotatably connected with the front end of the second bracket, the outer edge of the fifth belt wheel is connected with a third belt, the upper end of the third belt is connected with a sixth belt wheel, the sixth belt wheel is coaxially and fixedly connected with a seventh connecting rod, the right end of the seventh connecting rod is hinged with a ninth connecting rod, the front side of the right end of the ninth connecting rod is hinged with an eighth connecting rod, the lower end of the eighth connecting rod is mutually connected with the upper part of the front side of the third plate body, the right end of the eighth connecting rod is hinged with a tenth connecting rod, the tenth connecting rod is hinged with the right side of the first fixed body, the lower end of the ninth connecting rod is hinged with the middle part of the first fixed body, the lower part of the first fixed body is provided with a headrest which is fixedly connected with the third plate body.

Preferably, the rear end of each fifth gear is respectively engaged with a fourth gear, the fourth gear is rotatably connected with the first support, the outer end of the fourth gear is coaxially and fixedly connected with a second bevel gear, the rear end of the second bevel gear is engaged with a first bevel gear, the first bevel gear is rotatably connected with the first support, the rear end of the first bevel gear is coaxially and fixedly connected with a third belt wheel, the outer edge of the third belt wheel is connected with a second belt, the outer end of the second belt is connected with a fourth belt wheel, the fourth belt wheel is rotatably connected with the first support, and the front end of the fourth belt wheel is coaxially and fixedly connected with the first connecting rod.

Preferably, the inner side of each first connecting rod is hinged with a second connecting rod, the inner side of each second connecting rod is hinged with a fourth connecting rod, the lower end of each fourth connecting rod is hinged with the first support, the upper end of each fourth connecting rod is hinged with a fifth connecting rod, the lower end of each fifth connecting rod is hinged with an eleventh connecting rod, the lower end of each eleventh connecting rod is fixedly connected with a corresponding fifth fixing body, the lower end of each eleventh connecting rod is hinged with a third connecting rod, the outer side of each third connecting rod is hinged with the first support, the upper end of each eleventh connecting rod is hinged with a sixth connecting rod, the outer side of each sixth connecting rod is hinged with the first support, and the inner side of each sixth connecting rod is fixedly connected with the second fixing body.

Preferably, the upper portion of the left side of the first support is fixedly connected with an incomplete gear ring, the incomplete gear ring is meshed with the first gear, the right end of the first gear is coaxially and fixedly connected with a third gear, the front end of the third gear is meshed with a third rack, the rear end of the third rack is fixedly connected with a first lifting rod, the upper end of the first lifting rod is hinged with two second lifting rods, and the two second lifting rods are arranged in a bilateral symmetry mode.

Preferably, the upper end of each second lifting rod is hinged with a first swing rod, the middle of each first swing rod is hinged with the middle of the corresponding first plate body, the upper end of each first swing rod is hinged with a second swing rod, the inner sides of the second swing rods and the corresponding eighth fixing bodies are hinged with each other, the inner side of the lower end of each first swing rod is hinged with a fifth swing rod, the inner side of each fifth swing rod is hinged with a third swing rod, the left end of each third swing rod is hinged with the corresponding first plate body, the middle part of the outer side of each third swing rod is hinged with a fourth swing rod, the inner side of each fourth swing rod is hinged with the corresponding third fixing body, the lower ends of the third fixing body and the eighth fixing bodies are connected with a second sliding rail in a sliding mode, and the second sliding rail is fixedly connected with the first support.

The invention has novel structure, ingenious conception and simple and convenient operation, and compared with the prior art, the invention has the following advantages:

1. this device can realize patient's position adjustment through the upset of first plate body and third plate body, and convenient quick does not need medical staff to waste time and energy lift the patient, has alleviateed medical personnel's intensity of labour, falls when having reduced the patient and has struggled and cause the risk of secondary injury.

2. This device is through the removal of first fixed body, the fixed body of second, the fixed body of fifth, the fixed body of third and the fixed body of eighth, realizes simultaneously fixing patient's head, belly, arm and shank from sitting to the in-process of lying down at the patient, and is easy and simple to handle, and restraint is effectual, has alleviateed medical personnel's work burden.

Drawings

FIG. 1 is a schematic view showing the overall structure of the present invention in an expanded state.

FIG. 2 is a schematic view of the overall front side structure of the present invention.

Fig. 3 is a right-side overall structural schematic diagram of the present invention.

Fig. 4 is a schematic diagram of a modified structure of the present invention.

Fig. 5 is a schematic view of the matching structure of the motor and the first bracket.

Fig. 6 is a schematic view of the matching structure of the second rack and the fifth gear.

Fig. 7 is a schematic view of the fitting structure of the third pulley and the second fixing body of the present invention.

Fig. 8 is an open structure view of the second and fifth fixing bodies according to the present invention.

Fig. 9 is a schematic view of a first fixing body and a first belt of the present invention.

Fig. 10 is a schematic structural view of the first fixing body after being turned over.

FIG. 11 is a schematic view of a structure of the incomplete gear ring and the first lifting rod.

Fig. 12 is a schematic view of a structure of the second lifting rod and the third fixing body according to the present invention.

The reference numbers in the figures: 1. a base plate; 2. a universal wheel; 3. a first bracket; 4. a rotating wheel; 6. a first movable body; 7. a first plate body; 8. a second plate body; 9. a third plate body; 10. a headrest; 11. a first fixed body; 13. a second fixed body; 15. a third fixed body; 16. a first rack; 17. a second rack; 18. a second bracket; 19. a third support; 20. an incomplete gear ring; 21. a first gear; 22. a second slide rail; 23. a first lifting rod; 24. a motor; 25. a fifth fixed body; 26. a first link; 27. a worm gear; 28. a worm; 29. a second lifting rod; 30. a sixth fixed body; 31. a second gear; 32. a fourth bracket; 33. a third gear; 34. a first bevel gear; 35. a second bevel gear; 36. a fourth gear; 37. a fifth gear; 38. a first pulley; 39. a first belt; 40. a third belt pulley; 41. a second belt; 42. a fourth pulley; 43. a second link; 44. a third link; 45. a fourth link; 46. a fifth link; 47. a sixth link; 48. a second pulley; 49. a third bevel gear; 50. a fourth bevel gear; 51. a fifth belt pulley; 52. a third belt; 53. a sixth pulley; 54. a seventh connecting rod; 55. an eighth link; 56. a ninth link; 57. a tenth link; 58. an eleventh link; 59. a third gear; 60. a third rack; 61. a first swing lever; 62. a second swing lever; 63. a third swing lever; 64. a fourth swing lever; 65. a fifth swing lever; 66. an eighth fixing body.

Detailed Description

The following description of the present invention will be made in further detail with reference to the accompanying drawings 1 to 12.

The invention comprises a bottom plate 1, the upper part of the bottom plate 1 is connected with a first bracket 3 which can move back and forth in a sliding way, the upper end of the first bracket 3 is fixedly connected with a second plate body 8, the front end of the second plate body 8 is provided with a third plate body 9, the rear end of the second plate body 8 is provided with a first plate body 7, the third plate body 9 can overturn downwards along with the backward movement of the first bracket 3, the first plate body 7 can overturn upwards along with the backward movement of the first bracket 3, the middle part of the left side of the first bracket 3 is connected with a second rack 17 in a sliding way, the second rack 17 can move up and down along with the back and forth movement of the first bracket 3, the upper part of the left side of the third plate body 9 is hinged with a seventh connecting rod 54, the seventh connecting rod 54 can overturn left and right along with the up and down movement of the second rack 17, the upper part of the third plate body 9 is hinged with a first fixing body 11, the first fixing body 11 can overturn left and right along with the left and right movement of the seventh connecting rod 54, the outer side of the first bracket 3 is provided with two first connecting rods 26, the two first connecting rods 26 are arranged in bilateral symmetry, the two first connecting rods 26 can be simultaneously turned outwards or inwards along with the up-down movement of the second rack 17, the inner side of each first connecting rod 26 is respectively provided with a second fixing body 13, the inner side of each second fixing body 13 is provided with a fifth fixing body 25, each second fixing body 13 can move downwards when the first connecting rod 26 is turned inwards, each fifth fixing body 25 can be turned inwards when the first connecting rod 26 is turned inwards, the outer side of the first plate body 7 is provided with two eighth fixing bodies 66, the two eighth fixing bodies 66 are arranged in bilateral symmetry, the inner side of each eighth fixing body 66 is respectively provided with a third fixing body 15, the two eighth fixing bodies 66 can simultaneously move inwards when the first plate body 7 is turned upwards, and the two third fixing bodies 15 can simultaneously move outwards when the first plate body 7 is turned upwards.

Before the medical care device is used, as shown in fig. 4, a medical care worker only needs to guide a patient to sit on the second plate body 8 and lean against the third plate body 9, then respectively place two feet between the corresponding third fixing body 15 and the eighth fixing body 66, place a hand on the upper portion of the corresponding fifth fixing body 25, then switch on a power supply, at the moment, the first support 3 starts to move towards the rear side, the backward movement of the first support 3 drives the third plate body 9 to move backwards and simultaneously start to turn downwards, the upper body of the patient is driven to lie downwards, meanwhile, the backward movement of the first plate body 7 starts to turn upwards to drive the lower limbs of the patient to move upwards, the backward movement of the first support 3 also drives the second rack 17 to move downwards, the downward movement of the second rack 17 drives the seventh connecting rod 54 to turn towards the right, the seventh connecting rod 54 drives the first fixing body 11 to turn downwards and fall downwards when turning towards the right, the head of the patient is gradually compressed and fixed, the downward movement of the second rack 17 will also drive the two first links 26 to turn inward at the same time, when the first link 26 turns inward, the fifth fixing body 25 will be driven to turn downward, and the second fixing body 13 will be driven to turn inward at the same time, when the first support 3 moves to the rearmost side, the outer side of the second fixing body 13 and the fifth fixing body 25 will be closely adjacent to clamp the arm of the patient, the inner side of the second fixing body 13 will press the abdomen of the patient to fix the abdomen and arm of the patient, when the first plate 7 turns upward, the two eighth fixing bodies 66 will be driven to move inward at the same time, and will also drive the two third fixing bodies 15 to move outward at the same time, the eighth fixing body 66 and its corresponding third fixing body 15 will be clamped to the leg of the patient at the same time, thereby realizing the fixation of the leg of the patient, when the first support 3 moves to the rearmost side, the state is as shown in fig. 1, make the patient sit down to the in-process of lying down realize simultaneously fixed to head, belly, arm, shank, whole process does not need medical personnel to lift the patient, only needs to assist the patient to accomplish not disorderly of short time to move, alright light realization is to patient's limbs restraint, and is easy and simple to handle, has alleviateed medical personnel's working strength.

The lower part of the first plate body 7 is uniformly and rotatably connected with four rotating wheels 4, the rotating wheels 4 are in sliding connection with the bottom plate 1, the lower end of the bottom plate 1 is uniformly and fixedly connected with four universal wheels 2, the middle part of the bottom plate 1 is fixedly connected with a first rack 16, the upper end of the first rack 16 is meshed with a second gear 31, the second gear 31 is rotatably connected with the lower part of the first bracket 3, the right side of the second gear 31 is coaxially and fixedly connected with a worm wheel 27, the upper end of the worm wheel 27 is meshed with a worm 28, the front end of the worm 28 is fixedly connected with a motor 24, the motor 24 is fixedly connected with the first bracket 3, the upper end of the second gear 31 is meshed with a first moving body 6, the lower parts of the first moving body 6 and the first bracket 3 are in sliding connection, the upper end of the first moving body 6 is slidably connected with a sixth fixing body 30, the left side and the right side of the sixth fixing body 30 are respectively and fixedly connected with fourth brackets 32, the outer side of the front end of each fourth bracket 32 is respectively hinged with a second bracket 18, the upper end of the second support 18 is fixedly connected with the third plate body 9, the outer side of the rear end of each fourth support 32 is hinged with a third support 19, and the upper end of each third support 19 is fixedly connected with the first plate body 7.

As shown in fig. 4 and 5, the universal wheel 2 can be conveniently moved when needed, after a patient sits on the second plate 8 and is powered on, the motor 24 starts to rotate, the motor 24 rotates to drive the worm 28 to rotate, the worm 28 rotates to drive the worm wheel 27 to rotate, the worm wheel 27 rotates to drive the second gear 31 to synchronously rotate, under the action of the first rack 16, the second gear 31 drives the first bracket 3 to move backwards when rotating, the rotating wheel 4 rotates in the groove of the bottom plate 1 during the backward movement of the first bracket 3, the moving range is limited while assisting the movement of the first bracket 3, the second gear 31 drives the first moving body 6 to move backwards when rotating, the upper part of the first moving body 6 drives the sixth fixing body 30 to move backwards upwards when moving backwards, the sixth fixing body 30 drives the two fourth brackets 32 to simultaneously move backwards when moving backwards, the fourth bracket 32, the rear side of the second bracket 18 and the front side of the third bracket 19 jointly form a parallelogram structure, so that when the fourth bracket 32 moves to the rear upper side, the front side of the second bracket 18 is driven to turn downwards, and meanwhile, the rear side of the third bracket 19 is driven to turn upwards, so that the third plate body 9 is driven to turn downwards.

The outer side of the front end of the first support 3 is rotatably connected with two fifth gears 37, the two fifth gears 37 are arranged in bilateral symmetry, the middle part and the left side of the second rack 17 are connected with the second support 18 in a sliding manner, the upper end of the second rack 17 is engaged with a third gear 5933, the right side of the third gear 5933 is coaxially and fixedly connected with a first belt wheel 38, and the first belt wheel 38 is coaxially and fixedly connected with the two fifth gears 37.

When the second bracket 18 is turned downwards, the second rack 17 is driven to move downwards, the second rack 17 moves downwards to drive the third gear 5933 to rotate, and the third gear 5933 rotates to drive the first belt wheel 38 and the fifth gear 37 to synchronously rotate.

A first belt 39 is connected to the outer edge of the first belt wheel 38, a second belt wheel 48 is connected to the front end of the first belt 39, a third bevel gear 49 is coaxially and fixedly connected to the right end of the second belt wheel 48, a fourth bevel gear 50 is engaged with the front end of the third bevel gear 49, a fifth belt wheel 51 is coaxially and fixedly connected to the front end of the fourth bevel gear 50, the fifth belt wheel 51 is rotatably connected to the front end of the second bracket 18, a third belt 52 is connected to the outer edge of the fifth belt wheel 51, a sixth belt wheel 53 is connected to the upper end of the third belt 52, the sixth belt wheel 53 is coaxially and fixedly connected to a seventh connecting rod 54, a ninth connecting rod 56 is hinged to the right end of the seventh connecting rod 54, an eighth connecting rod 55 is hinged to the front side of the eighth connecting rod 55, the lower end of the eighth connecting rod 55 is mutually connected to the front side upper portion of the third plate 9, a tenth connecting rod 57 is hinged to the right end of the eighth connecting rod 55, the tenth connecting rod 57 is mutually hinged to the right side of the first fixed body 11, the lower end of the ninth link 56 is hinged to the middle of the first fixed body 11, the headrest 10 is disposed at the lower part of the first fixed body 11, and the headrest 10 is fixedly connected to the third plate 9.

As shown in fig. 9 and 10, the first belt wheel 38 rotates to drive the first belt 39 to rotate, the first belt 39 rotates to drive the second belt wheel 48 to rotate, the second belt wheel 48 rotates to drive the third bevel gear 49 to rotate synchronously, the third bevel gear 49 rotates to drive the fourth bevel gear 50 to rotate, the fourth bevel gear 50 rotates to drive the fifth belt wheel 51 to rotate synchronously, the fifth belt wheel 51 rotates to drive the third belt 52 to rotate, the third belt 52 rotates to drive the sixth belt wheel 53 to rotate, the sixth belt wheel 53 rotates to drive the seventh connecting rod 54 to turn left and right, the seventh connecting rod 54 drives the ninth connecting rod 56 to shift towards the lower right circular arc when turning inwards, the upper part of the ninth connecting rod 56 drives the upper end of the eighth connecting rod 55 to shift towards the lower right circular arc when shifting towards the lower right circular arc, the upper end of the eighth connecting rod 55 drives the tenth connecting rod 57 to shift towards the lower circular arc, under the combined action of the ninth connecting rod 56 and the tenth connecting rod 57, the first fixing body 11 can be stably turned to the lower right side, when the first support 3 moves to the rearmost side, the first fixing body 11 is turned to the lowermost side and clamps the forehead of the patient together with the headrest 10, and the head of the patient is fixed.

The rear end of each fifth gear 37 is respectively engaged with a fourth gear 36, the fourth gear 36 is rotatably connected with the first support 3, the outer end of the fourth gear 36 is coaxially and fixedly connected with a second bevel gear 35, the rear end of the second bevel gear 35 is engaged with a first bevel gear 34, the first bevel gear 34 is rotatably connected with the first support 3, the rear end of the first bevel gear 34 is coaxially and fixedly connected with a third belt wheel 40, the outer edge of the third belt wheel 40 is connected with a second belt 41, the outer end of the second belt 41 is connected with a fourth belt wheel 42, the fourth belt wheel 42 is rotatably connected with the first support 3, and the front end of the fourth belt wheel 42 is coaxially and fixedly connected with the first connecting rod 26.

As shown in fig. 6, 7 and 8, when the fifth gear 37 rotates, the fourth gear 36 is driven to rotate, the fourth gear 36 rotates to drive the second bevel gear 35 to synchronously rotate, the first bevel gear 34 rotates driven by the rotation of the second bevel gear 35, the third pulley 40 rotates driven by the rotation of the first bevel gear 34, the second belt 41 rotates driven by the rotation of the third pulley 40, the fourth pulley 42 rotates driven by the rotation of the second belt 41, and the first link 26 is driven by the rotation of the fourth pulley 42 to turn over.

The inner side of each first connecting rod 26 is hinged with a second connecting rod 43, the inner side of each second connecting rod 43 is hinged with a fourth connecting rod 45, the lower end of each fourth connecting rod 45 is hinged with the first support 3, the upper end of each fourth connecting rod 45 is hinged with a fifth connecting rod 46, the lower end of each fifth connecting rod 46 is hinged with an eleventh connecting rod 58, the lower end of each eleventh connecting rod 58 is fixedly connected with the corresponding fifth fixing body 25, the lower end of each eleventh connecting rod 58 is hinged with a third connecting rod 44, the outer side of each third connecting rod 44 is hinged with the first support 3, the upper end of each eleventh connecting rod 58 is hinged with a sixth connecting rod 47, the outer side of each sixth connecting rod 47 is hinged with the first support 3, and the inner side of each sixth connecting rod 47 is fixedly connected with the second fixing body 13.

When the first link 26 is turned to the upper inner side, the second link 43 is moved to the inner side, when the second link 43 is moved to the inner side, the upper portion of the fourth link 45 is turned to the inner side, the upper end of the fourth link 45 drives the upper end of the fifth link 46 to deflect to the inner side arc, the lower end of the fifth link 46 pushes the middle portion of the eleventh link 58 to deflect the lower portion of the eleventh link 58 to the inner side arc, the eleventh link 58 drives the fifth fixing body 25 to turn to the lower side by the supporting function of the third link 44, the upper portion of the eleventh link 58 is turned to the inner lower portion by the supporting function of the sixth link 47 to drive the second fixing body 13 to turn to the inner side, and when the first frame 3 is moved to the rearmost side, the second fixing body 13 and the fifth fixing body 25 are in a state as shown in fig. 7, and the abdomen and the arms of the patient are fixed.

The upper portion of the left side of the first support 3 is fixedly connected with an incomplete gear ring 20, the incomplete gear ring 20 is meshed with the first gear 21, the right end of the first gear 21 is coaxially and fixedly connected with a third gear 5933, the front end of the third gear 5933 is meshed with a third rack 60, the rear end of the third rack 60 is fixedly connected with a first lifting rod 23, the upper end of the first lifting rod 23 is hinged with two second lifting rods 29, and the two second lifting rods 29 are arranged in a bilateral symmetry mode.

When the first support 3 is turned upside down, the first support 3 drives the first gear 21 to turn upside down, the first gear 21 rotates upwards under the action of the incomplete gear ring 20, the first gear 21 drives the third gear 5933 to rotate synchronously when rotating, the third gear 5933 rotates to drive the third rack 60 to move upwards, the third rack 60 moves upwards to drive the first lifting rod 23 to move upwards, and the first lifting rod 23 moves upwards to drive the two second lifting rods 29 to move upwards simultaneously.

The upper end of each second lifting rod 29 is hinged with a first swing rod 61, the middle of the first swing rod 61 and the middle of the first plate body 7 are hinged with each other, the upper end of each first swing rod 61 is hinged with a second swing rod 62, the inner sides of the second swing rods 62 and the corresponding eighth fixing bodies 66 are hinged with each other, the inner side of the lower end of each first swing rod 61 is hinged with a fifth swing rod 65, the inner side of each fifth swing rod 65 is hinged with a third swing rod 63, the left end of the third swing rod 63 and the first plate body 7 are hinged with each other, the middle of the outer side of each third swing rod 63 is hinged with a fourth swing rod 64, the inner side of the fourth swing rod 64 and the corresponding third fixing body 15 are hinged with each other, the lower ends of the third fixing body 15 and the eighth fixing body 66 are connected with a second sliding rail 22 in a sliding mode, and the second sliding rail 22 is fixedly connected with the first support 3.

The second lifting rod 29 moves upwards to drive the outer end of the first swing rod 61 to move upwards in an arc shape, when the outer end of the first swing rod 61 moves upwards in an arc shape, the upper end of the first swing rod 61 drives the second swing rod 62 to move inwards, under the limiting action of the second slide rail 22, the second swing rod 62 drives the corresponding eighth fixing body 66 to move inwards, when the outer end of the first swing rod 61 moves upwards, the fifth swing rod 65 is also driven to move outwards in an arc shape, the fifth swing rod 65 pulls the lower end of the third swing rod 63 to turn the outer middle part of the third swing rod 63 upwards, the outer middle part of the third swing rod 63 presses the inner side of the fourth swing rod 64, and the fourth swing rod 64 pushes the corresponding third fixing body 15 to move outwards, so that the third fixing body 15 and the corresponding eighth fixing body 66 move inwards at the same time to clamp the legs of a patient.

Before the medical nursing bed is used, as shown in fig. 4, a medical worker only needs to guide a patient to sit on the second plate body 8 and lean against the third plate body 9, then two feet are respectively placed between the corresponding third fixing body 15 and the corresponding eighth fixing body 66, a hand is placed at the upper part of the corresponding fifth fixing body 25, then a power supply is switched on, the motor 24 starts to rotate, as shown in fig. 4 and 5, the motor 24 rotates to drive the worm 28 to rotate, the worm 28 rotates to drive the worm wheel 27 to rotate, the worm wheel 27 rotates to drive the second gear 31 to synchronously rotate, under the action of the first rack 16, the second gear 31 drives the first support 3 to move towards the rear side, the rotating wheel 4 rotates in the groove of the bottom plate 1 in the process of moving the first support 3 backwards, the moving range is limited while the first support 3 moves, the second gear 31 rotates and drives the first moving body 6 to move towards the rear side, when the first moving body 6 moves to the rear side, the upper part of the first moving body drives the sixth fixed body 30 to move to the rear side and upward, when the sixth fixed body 30 moves to the rear side, the second brackets 32 drive the two fourth brackets 32 to move to the rear side simultaneously, the fourth brackets 32, the rear side of the second bracket 18 and the front side of the third bracket 19 jointly form a parallelogram structure, so when the fourth brackets 32 move to the rear and upward, the front side of the second bracket 18 is driven to turn downward, and simultaneously the rear side of the third bracket 19 is driven to turn upward, thereby the third plate 9 is driven to turn downward, when the second brackets 18 turn downward, the second rack 17 is driven to move downward, the second rack 17 moves downward and drives the third gear 5933 to rotate, the third gear 5933 rotates and drives the first belt wheel 38 and the fifth gear 37 to synchronously rotate, as shown in fig. 9 and 10, the first belt wheel 38 rotates and drives the first belt 39 to rotate and drives the second belt 48 to rotate, the second belt wheel 48 rotates to drive the third bevel gear 49 to rotate synchronously, the third bevel gear 49 rotates to drive the fourth bevel gear 50 to rotate, the fourth bevel gear 50 rotates to drive the fifth belt wheel 51 to rotate synchronously, the fifth belt wheel 51 rotates to drive the third belt 52 to rotate, the third belt 52 rotates to drive the sixth belt wheel 53 to rotate, the sixth belt wheel 53 rotates to drive the seventh connecting rod 54 to turn left and right, the seventh connecting rod 54 drives the ninth connecting rod 56 to deflect towards the lower right circular arc when turning inwards, the ninth connecting rod 56 drives the upper end of the eighth connecting rod 55 to deflect towards the lower right circular arc when deflecting towards the lower right circular arc, the upper end of the eighth connecting rod 55 drives the tenth connecting rod 57 to deflect towards the lower circular arc, under the combined action of the ninth connecting rod 56 and the tenth connecting rod 57, the first fixing body 11 can be stably turned towards the lower right, when the first support 3 moves to the rearmost side, the first fixing body 11 is turned to the lowermost side, as shown in fig. 6, 7 and 8, when the fifth gear 37 rotates, the fourth gear 36 rotates, the second bevel gear 35 rotates synchronously, the first bevel gear 34 rotates by the rotation of the second bevel gear 35, the third pulley 40 rotates synchronously by the rotation of the first bevel gear 34, the second pulley 41 rotates by the rotation of the third pulley 40, the fourth pulley 42 rotates by the rotation of the second pulley 41, the first link 26 rotates by the rotation of the fourth pulley 42, the second link 43 moves inwards when the first link 26 rotates towards the upper inner side, the upper portion of the fourth link 45 rotates inwards when the second link 43 moves inwards, the upper end of the fourth link 45 drives the upper end of the fifth link 46 to shift towards the inner circular arc, the lower end of the fifth link 46 pushes the middle portion of the eleventh link 58 to shift towards the lower inner circular arc of the eleventh link 58, under the supporting action of the third link 44, the eleventh link 58 drives the fifth fixing body 25 to turn downwards, the upper portion of the eleventh link 58 turns towards the lower portion of the inner side under the supporting action of the sixth link 47, and drives the second fixing body 13 to turn towards the lower portion of the inner side, when the first frame 3 moves to the rearmost side, the states of the second fixing body 13 and the fifth fixing body 25 are as shown in fig. 7, so as to fix the abdomen and the arm of the patient, when the first frame 3 turns towards the upper side, the first frame 3 drives the first gear 21 to turn upwards, when the first gear 21 turns upwards, the first gear 21 rotates under the action of the incomplete gear ring 20, the first gear 21 drives the third gear 5933 to rotate synchronously, the third gear 5933 rotates to drive the third rack 60 to move upwards, the third rack 60 moves upwards to drive the first lifting rod 23 to move upwards, the first lifting rod 23 moves upwards to drive the two second lifting rods 29 to move upwards simultaneously, the second lifting rod 29 moves upwards to drive the outer end of the first swing rod 61 to move upwards in an arc, when the outer end of the first swing rod 61 moves upwards in an arc, the upper end of the first swing rod 61 drives the second swing rod 62 to move inwards, under the limiting action of the second slide rail 22, the second swing rod 62 drives the corresponding eighth fixing body 66 to move inwards, when the outer end of the first swing rod 61 moves upwards, the fifth swing rod 65 also drives the outer arc to move outwards, the fifth swing rod 65 pulls the lower end of the third swing rod 63 to turn the outer middle part of the third swing rod 63 upwards, the outer middle part of the third swing rod 63 presses the inner side of the fourth swing rod 64, the fourth swing rod 64 pushes the corresponding third fixing body 15 to move outwards, so that the third fixing body 15 and the corresponding eighth fixing body 66 move inwards at the same time to clamp the legs of a patient, when the first support 3 moves to the last side, the state is as shown in figure 1 this moment, make the patient sit down to the in-process of lying down realize simultaneously head, belly, arm, the fixed of shank, this device of can being convenient for to move when needing, when no longer needing to fix the patient, above-mentioned step of reverse operation, this device resumes to as shown in figure 4 state, whole process does not need medical personnel to lift the patient, only need assist the patient to accomplish not disorderly of short time, alright easily realize the limbs restraint to the patient, the operation is simple and convenient, medical personnel's working strength has been alleviateed.

The limb restraint device for the neurosurgery patient is novel in structure, ingenious in conception and simple and convenient to operate, and effectively solves the problems that when a conventional limb restraint device for the neurosurgery patient is used, the limb of the patient can be restrained only through a plurality of operations after the patient is lifted on a bed plate, time and labor are wasted, the labor intensity of medical workers is increased, meanwhile, the conventional limb restraint device is simple in structure, complex to operate, inconvenient to use and the like, and the working difficulty of the medical workers is increased.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A patient limb restraint device for neurosurgery comprises a base plate (1) and is characterized in that the upper part of the base plate (1) is slidably connected with a first support (3) capable of moving back and forth, the upper end of the first support (3) is fixedly connected with a second plate body (8), the front end of the second plate body (8) is provided with a third plate body (9), the rear end of the second plate body (8) is provided with a first plate body (7), the third plate body (9) can upwards turn along with the forward movement of the first support (3), the first plate body (7) can downwards turn along with the forward movement of the first support (3), the middle part of the left side of the first support (3) is slidably connected with a second rack (17), the second rack (17) can move up and down along with the forward movement of the first support (3), the upper part of the left side of the third plate body (9) is hinged with a seventh connecting rod (54), and the seventh connecting rod (54) can leftwards turn along with the upward and rightwards movement of the second rack (17), the upper part of the third plate body (9) is hinged with a first fixing body (11), the first fixing body (11) can rise and fall along the left and right direction along with the left and right turning of the seventh connecting rod (54), the outer side of the first bracket (3) is provided with two first connecting rods (26), the two first connecting rods (26) are arranged in bilateral symmetry, the two first connecting rods (26) can turn along with the up and down movement of the second rack (17) towards the outer side or the inner side, the inner side of each first connecting rod (26) is respectively provided with a second fixing body (13), the inner side of the second fixing body (13) is provided with a fifth fixing body (25), the second fixing body (13) can move downwards when the first connecting rods (26) turn towards the inner side, the fifth fixing body (25) can turn towards the inner side when the first connecting rods (26) turn towards the inner side, the outer side of the first plate body (7) is provided with two eighth fixing bodies (66), and the two eighth fixing bodies (66) are arranged in bilateral symmetry, the inner sides of the eighth fixing bodies (66) are respectively provided with a third fixing body (15), the two eighth fixing bodies (66) can simultaneously move inwards when the first plate body (7) is turned upwards, and the two third fixing bodies (15) can simultaneously move outwards when the first plate body (7) is turned upwards.

2. The patient limb restraint device for neurosurgery according to claim 1, wherein the lower part of the first plate body (7) is uniformly and rotatably connected with four rotating wheels (4), the rotating wheels (4) are slidably connected with the bottom plate (1), the lower end of the bottom plate (1) is uniformly and fixedly connected with four universal wheels (2), the middle part of the bottom plate (1) is fixedly connected with a first rack (16), the upper end of the first rack (16) is engaged with a second gear (31), the second gear (31) is rotatably connected with the lower part of the first bracket (3), the right side of the second gear (31) is coaxially and fixedly connected with a worm wheel (27), the upper end of the worm wheel (27) is engaged with a worm (28), the front end of the worm wheel (28) is fixedly connected with a motor (24), the motor (24) is fixedly connected with the first bracket (3), the upper end of the second gear (31) is engaged with a first moving body (6), the lower part sliding connection of first moving body (6) and first support (3), the upper end sliding connection of first moving body (6) has sixth fixed body (30), both sides difference fixedly connected with fourth support (32) about sixth fixed body (30), the front end outside of every fourth support (32) articulates respectively has second support (18), the upper end and the third plate body (9) fixed connection of second support (18), the rear end outside of every fourth support (32) articulates respectively has third support (19), the upper end and the first plate body (7) fixed connection of third support (19).

3. The patient limb restraint device for neurosurgery according to claim 1, wherein two fifth gears (37) are rotatably connected to the outer side of the front end of the first bracket (3), the two fifth gears (37) are arranged in bilateral symmetry, the second bracket (18) is slidably connected to the middle and left sides of the second rack (17), the upper end of the second rack (17) is engaged with third gears (59) (33), the first belt wheel (38) is coaxially and fixedly connected to the right sides of the third gears (59) (33), and the first belt wheel (38) and the two fifth gears (37) are coaxially and fixedly connected.

4. The patient limb restraint device for neurosurgery according to claim 3, wherein a first belt (39) is connected to the outer edge of the first belt wheel (38), a second belt wheel (48) is connected to the front end of the first belt (39), a third bevel gear (49) is coaxially and fixedly connected to the right end of the second belt wheel (48), a fourth bevel gear (50) is meshed to the front end of the third bevel gear (49), a fifth belt wheel (51) is coaxially and fixedly connected to the front end of the fourth bevel gear (50), the fifth belt wheel (51) is rotatably connected to the front end of the second bracket (18), a third belt (52) is connected to the outer edge of the fifth belt wheel (51), a sixth belt wheel (53) is connected to the upper end of the third belt (52), the sixth belt wheel (53) is coaxially and fixedly connected to the seventh connecting rod (54), a ninth connecting rod (56) is hinged to the right end of the seventh connecting rod (54), and an eighth connecting rod (55) is hinged to the front side of the right end of the ninth connecting rod (56), the lower end of an eighth connecting rod (55) is mutually connected with the upper part of the front side of a third plate body (9), the right end of the eighth connecting rod (55) is hinged with a tenth connecting rod (57), the right sides of the tenth connecting rod (57) and a first fixed body (11) are mutually hinged, the lower end of a ninth connecting rod (56) is mutually hinged with the middle part of the first fixed body (11), a headrest (10) is arranged at the lower part of the first fixed body (11), and the headrest (10) is fixedly connected with the third plate body (9).

5. The patient limb restraint device for neurosurgery according to claim 1, wherein a fourth gear (36) is meshed with the rear end of each fifth gear (37), the fourth gear (36) is rotatably connected with the first bracket (3), a second bevel gear (35) is coaxially fixedly connected with the outer end of the fourth gear (36), a first bevel gear (34) is meshed with the rear end of the second bevel gear (35), the first bevel gear (34) is rotatably connected with the first bracket (3), a third belt wheel (40) is coaxially fixedly connected with the rear end of the first bevel gear (34), a second belt (41) is connected with the outer edge of the third belt wheel (40), a fourth belt wheel (42) is connected with the outer end of the second belt (41), the fourth belt wheel (42) is rotatably connected with the first bracket (3), and the front end of the fourth belt wheel (42) is coaxially fixedly connected with the first connecting rod (26).

6. A patient limb restraint device for neurosurgery according to claim 1, characterized in that the inner side of each of the first links (26) is hinged with a second link (43), the inner side of the second link (43) is hinged with a fourth link (45), the lower end of the fourth link (45) and the first bracket (3) are hinged with each other, the upper end of the fourth link (45) is hinged with a fifth link (46), the lower end of the fifth link (46) is hinged with an eleventh link (58), the lower end of the eleventh link (58) and a corresponding fifth fixing body (25) thereof are fixedly connected, the lower end of the eleventh link (58) is hinged with a third link (44), the outer side of the third link (44) and the first bracket (3) are hinged with each other, the upper end of the eleventh link (58) is hinged with a sixth link (47), the outer side of the sixth link (47) and the first bracket (3) are hinged with each other, the inner side of the sixth connecting rod (47) is fixedly connected with the second fixed body (13).

7. The patient limb restraint device for neurosurgery according to claim 1, characterized in that an incomplete gear ring (20) is fixedly connected to the upper left side of the first support (3), the incomplete gear ring (20) and the first gear (21) are meshed with each other, a third gear (59) (33) is coaxially and fixedly connected to the right end of the first gear (21), a third rack (60) is meshed to the front end of the third gear (59) (33), a first lifting rod (23) is fixedly connected to the rear end of the third rack (60), two second lifting rods (29) are hinged to the upper end of the first lifting rod (23), and the two second lifting rods (29) are arranged in bilateral symmetry.

8. A patient limb restraint device for neurosurgery according to claim 7, characterized in that the upper end of each second lifting rod (29) is hinged with a first swinging rod (61) respectively, the middle part of the first swinging rod (61) and the middle part of the first plate body (7) are hinged with each other, the upper end of each first swinging rod (61) is hinged with a second swinging rod (62) respectively, the inner sides of the second swinging rod (62) and the first swinging rod (61) and a corresponding eighth fixing body (66) are hinged with each other, the inner side of the lower end of each first swinging rod (61) is hinged with a fifth swinging rod (65) respectively, the inner side of each fifth swinging rod (65) is hinged with a third swinging rod (63) respectively, the left end of the third swinging rod (63) and the first plate body (7) are hinged with each other, the middle part of the outer side of each third swinging rod (63) is hinged with a fourth swinging rod (64) respectively, the inner side of the fourth swinging rod (64) and a corresponding third fixing body (15) are hinged with each other, the lower ends of the third fixing body (15) and the eighth fixing body (66) are connected with a second sliding rail (22) in a sliding mode, and the second sliding rail (22) is fixedly connected with the first support (3).