CN114288037B - Neurosurgery seat - Google Patents
Neurosurgery seat Download PDFInfo
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- CN114288037B CN114288037B CN202111621748.XA CN202111621748A CN114288037B CN 114288037 B CN114288037 B CN 114288037B CN 202111621748 A CN202111621748 A CN 202111621748A CN 114288037 B CN114288037 B CN 114288037B
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- doctor
- rotationally connected
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- 238000005452 bending Methods 0.000 claims description 4
- 229910052744 lithium Inorganic materials 0.000 claims description 4
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Abstract
The invention discloses a neurosurgery seat, which comprises a moving mechanism, a lifting mechanism, a seat mechanism, a left arm supporting frame, a right arm supporting frame and a control module, wherein the left arm supporting frame and the right arm supporting frame are arranged on two sides of the seat mechanism, the moving mechanism can realize omnidirectional movement and rotation under the driving of four Mecanum wheels, the lifting mechanism can adjust the height of the seat, the seat has a ventilation function, the angle of a backrest can be adjusted, a rack rod can move up and down, a first arm is rotationally connected with the rack rod, a third electric cylinder can adjust the height of a supporting plate, a pressure sensor is arranged between a bearing frame and a moving part, the supporting plate is rotationally connected with the bearing frame, the lower end of a fourth electric cylinder is fixedly connected with a tension sensor, the upper end of the tension sensor is rotationally connected with the bearing frame, the supporting plate has five spatial degrees of freedom and respectively corresponds to the front and back, up and down, left and right movement, pitching and horizontal rotation of a small arm, and extremely high flexibility is capable of completely adapting to the activity requirement of the small arm.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to a neurosurgery seat.
Background
The nervous system is used as a central system for human life and thought actions, and once the nervous system is ill, the nervous system usually shows serious symptoms, such as paralysis and dementia, and the nervous system is seriously life-threatening; neurosurgery is a subject for treating brain, spinal cord and peripheral nervous system diseases by using a surgical method and taking surgery as a main treatment means, is a subject of high, fine and sharp in the current medical field, and is recognized as the field with the highest medical status; the range of neurosurgical treatments includes: dysfunction of the brain and spinal cord, congenital dysplasia of the brain and spinal cord, brain and spinal cord trauma, tumors, vascular lesions, degenerative changes including minimally invasive treatment of the spinal column, herniated disc, and the like. All neurosurgical tumor, vascular, discectomy and other procedures are microsurgical procedures performed under a large surgical microscope, which are extremely delicate, complex, dangerous and time consuming.
When neurosurgery is performed, the hands of the doctor of the main knife cannot have excessive vibration, so that the doctor of the main knife is required to sit stably on a chair, a double-arm hanging hand-held aspirator is used for holding the bipolar electric coagulation device or micro-scissors and other instruments, the operation lasts for several hours or even more than ten hours, and the long-time operation can lead the arm of the doctor of the main knife to be acid and stiff, the physical effort is high, and further the operation precision and the operation quality are affected; most of the existing chairs for doctors of main knives only have a lifting function, are simple in structure and single in function, cannot provide effective support for the arms of the doctors, and cannot be well suitable for neurosurgery; therefore, the neurosurgery seat is developed to assist a doctor to finish neurosurgery operation, so that the quality and efficiency of the operation can be improved, the fatigue of the doctor can be reduced, and the neurosurgery seat has obvious significance.
Disclosure of Invention
In order to solve the defects of the prior art, the invention aims to provide the neurosurgery seat which is rich in functions, high in intelligent degree and good in use effect.
The technical scheme adopted by the invention is as follows: the utility model provides a neurosurgery seat, includes mobile mechanism, elevating system, seat mechanism, left arm support frame, right arm support frame and control module, and left arm support frame is installed in seat mechanism left side, and right arm support frame is installed in seat mechanism right side, and left arm support frame and right arm support frame principle are the same to become bilateral symmetry structure.
Preferably, a cavity is formed in the frame in the moving mechanism, four motors are fixedly mounted on the lower side of the frame, each motor drives a Mecanum wheel independently, the frame can move omnidirectionally and rotate randomly on the ground, the control module is mounted in the frame, and a control system and a lithium battery pack are integrated in the control module.
Preferably, a lifting plate in the lifting mechanism is fixedly connected with the seat, the lifting mechanism is arranged on the upper side of the frame, the lifting mechanism is a scissor type lifting structure formed by a first connecting rod, a second connecting rod, a third connecting rod and a fourth connecting rod, and the first electric cylinder is arranged between the lifting plate and the frame and can realize the height adjustment of the seat mechanism.
Preferably, the backrest inclination angle in the seat mechanism can be adjusted by the second electric cylinder, a console is arranged on the back side of the backrest, and medical staff can realize man-machine interaction with the seat through the console.
Preferably, a supporting table in the right arm supporting frame is fixedly arranged on the right side of the seat, the rack bar and the supporting table form a moving pair, the motor is fixedly arranged on the rear side of the supporting table and drives the rack bar to move up and down through a gear, and the protective shell is arranged on the outer side of the supporting table, so that the dustproof and attractive effects can be realized.
Preferably, the rear end of the first arm is rotationally connected with the upper end of the rack bar, the rotating piece is rotationally connected with the front end of the first arm, the second arm, the third arm, the moving piece and the rotating piece form a parallelogram structure, the third electric cylinder is arranged between the rotating piece and the moving piece and can drive the height adjustment of the supporting plate, the bearing frame is rotationally connected with the moving piece, a pressure sensor is further arranged between the bearing frame and the moving piece, the rear end of the supporting plate is rotationally connected with the bearing frame, the lower end of the second electric cylinder is fixedly connected with the tension sensor, the upper end of the fifth electric cylinder is rotationally connected with the bearing frame, and the lower end of the tension sensor is rotationally connected with the front end of the supporting plate.
Preferably, four arc-shaped baffles are arranged on the side face of the stand corresponding to the upper parts of the four Mecanum wheels, so that the danger caused by the fact that a doctor pedal the wheels by mistake is avoided.
Preferably, ventilation devices are arranged in the seat and the backrest, so that a doctor can sit for a long time and sweat, and the doctor has dry and comfortable riding experience.
Preferably, the angle of the console can be adjusted, so that the operation is convenient for doctors.
Preferably, the supporting plate has five spatial degrees of freedom, corresponds to front and back, up and down, left and right movement and pitching and horizontal rotation of the forearm respectively, has extremely high flexibility, and can completely adapt to the activity requirement of the forearm.
Preferably, the control system forms negative feedback closed loop control through the pressure sensor, and can intelligently detect the height position adjustment willingness of the forearm of the doctor, thereby providing proper auxiliary support for the forearm of the doctor all the time and effectively relieving the fatigue of the doctor.
Preferably, the control system forms negative feedback closed-loop control through the tension sensor, and can intelligently detect the pitching angle adjustment willingness of the forearm of the doctor, so that the forearm of the doctor is always provided with proper auxiliary support, and the doctor has better use experience.
Preferably, the corrugated pipe is coaxially arranged on the outer side of the rack rod, so that dust and water protection of the rack rod is realized.
The invention has the beneficial effects that: (1) four Mecanum wheels are arranged below the seat, so that the seat can realize omnidirectional movement and in-situ rotation on the ground, and the seat has high flexibility and is convenient for transition movement; (2) the seat and the backrest are provided with ventilation devices, so that doctors can have good riding experience; (3) the height of the chair can be adjusted, so that doctors with different body types can adjust the chair to a proper riding height; (4) the backrest angle can be adjusted, so that doctors can adjust the backrest angle to a proper leaning angle, and sedentary fatigue is avoided; (5) the supporting plate has five spatial degrees of freedom, including three degrees of freedom of movement and two degrees of freedom of rotation, can move and pitch, horizontal rotation in front of and behind, up and down, left and right of the forearm respectively, have extremely high flexibility, can completely adapt to the activity needs of the forearm; (6) the control system forms negative feedback closed-loop control through the pressure sensor, and can intelligently detect the height position adjustment willingness of the forearm of the doctor, thereby providing proper auxiliary support for the forearm of the doctor all the time and effectively reducing the fatigue of the arms of the doctor; (7) the control system forms negative feedback closed-loop control through the tension sensor, and can intelligently detect the pitching angle adjustment willingness of the forearm of the doctor, so that the forearm of the doctor is always supported in a proper auxiliary manner, and the doctor has better use experience.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a schematic diagram of the overall structure of the present invention.
Fig. 3 is a partially enlarged schematic view of the support table position.
Fig. 4 is a partially enlarged schematic view of the right arm support.
Reference numerals: 1 frame, 1.1 first wheel groove, 1.2 first connecting lug, 1.3 second connecting lug, 2 first electric cylinder, 3 first connecting rod, 4 seat, 5 control desk, 6 backrest, 6.1 supporting rod, 7 lifting motor, 8 supporting platform, 8.1 guide ring, 9 protective shell, 10 fourth connecting rod, 11 fourth wheel, 12 third connecting rod, 13 lifting plate, 13.1 second wheel groove, 13.2 third connecting lug, 13.3 fourth connecting lug, 14 third wheel, 15 third motor, 16 first motor, 17 first wheel, 18 second wheel, 19 second motor, 20 control module, 21 fourth motor, 22 second connecting rod, 23 second electric cylinder, 24 seat ventilation button, 25 knob, 26 second control rod, 27 first control rod, 28 third control rod, 29 fourth control rod, 30 backrest ventilation button, 31 fifth control rod, 32 bellows, 33 rack rod, 34 gear, 35 first arm, 36 rotating member, 37 second arm, 38, 39 third arm, 40 third electric arm, 42, 45 rotating shaft, 45, 45.45 rotating shaft, 2 fifth rotating shaft, 45.
Detailed Description
The invention will be further described with reference to specific examples, illustrative examples and illustrations of which are provided herein to illustrate the invention, but are not to be construed as limiting the invention.
As shown in fig. 1 and 2, a cavity is formed in the frame 1, a lightening hole is formed in the side face of the frame, a pair of first wheel grooves 1.1 are longitudinally formed in the front end of the upper side of the frame 1, the first wheel grooves 1.1 are of an inverted-L-shaped structure with two openings oppositely arranged, a first connecting lug 1.2 is arranged at the front end of the upper side of the frame 1 close to the middle position of the frame, two second connecting lugs 1.3 are arranged at the rear end of the upper side of the frame 1, a control system and a lithium battery pack are integrated in the control module 20, the control system is used for controlling all electrical components of equipment, the lithium battery pack provides power for the equipment, and the control module 20 is installed in the cavity in the frame 1.
The first motor 16 is fixedly arranged at the left side of the front end below the frame 1 through a screw, the first wheel 17 is a dextrorotation Mecanum wheel, the first wheel 17 is coaxially and fixedly connected with an output shaft of the first motor 16, and an encoder and a brake mechanism are integrated inside the first motor 16, so that accurate angle rotation and stable locking and positioning can be realized, and the first motor 16 can drive the first wheel 17 to rotate and position; the second motor 19 is fixedly arranged on the left side of the rear end below the frame 1 through a screw, the second wheel 18 is a left-hand Mecanum wheel, the second wheel 18 is coaxially and fixedly connected with an output shaft of the second motor 19, an encoder and a brake mechanism are integrated inside the second motor 19, and accurate angle rotation and stable locking and positioning can be realized, so that the second motor 19 can drive the second wheel 18 to rotate and position; the third motor 15 is fixedly arranged on the right side of the front end below the frame 1 through a screw, the third wheel 14 is a left-handed Mecanum wheel, the third wheel 14 is coaxially and fixedly connected with an output shaft of the third motor 15, an encoder and a brake mechanism are integrated inside the third motor 15, and accurate angle rotation and stable locking and positioning can be realized, so that the third motor 15 can drive the third wheel 14 to rotate and position; the fourth motor 21 is fixedly arranged on the right side of the rear end below the frame 1 through screws, the fourth wheel 11 is a right-handed Mecanum wheel, the fourth wheel 11 is coaxially and fixedly connected with an output shaft of the fourth motor 21, an encoder and a brake mechanism are integrated inside the fourth motor 21, accurate angle rotation and stable locking positioning can be achieved, and therefore the fourth motor 21 can drive the fourth wheel 11 to rotate and position.
The lifting plate 13 is of a square plate-shaped structure, a pair of second wheel grooves 13.1 are formed in the front end of the lower side of the lifting plate 13, the second wheel grooves 13.1 are of an L-shaped structure with two openings arranged back to back, two third connecting lugs 13.2 and one fourth connecting lug 13.3 are arranged at the rear end of the lower side of the lifting plate 13, a fifth connecting lug is arranged in the middle of the lower side of the lifting plate 13, and the lifting plate 13 is installed on the lower side of the seat 4 through screw fastening.
The upper end and the middle position of the first connecting rod 3 are respectively provided with a round hole, the lower end of the first connecting rod 3 is rotationally connected with a roller, the round hole at the upper end of the first connecting rod 3 is rotationally connected with a third connecting lug 13.2 at the left side, the roller at the lower end of the first connecting rod 3 can roll in a first wheel groove 1.1 at the left side, the lower end and the middle position of the second connecting rod 22 are respectively provided with a round hole, the upper end of the second connecting rod 22 is rotationally connected with a roller, the round hole at the lower end of the second connecting rod 22 is rotationally connected with a second connecting lug 1.3 at the left side, the roller at the upper end of the second connecting rod 22 can roll in a second wheel groove 13.1 at the left side, and the round hole at the middle position of the first connecting rod 3 is rotationally connected with the round hole at the middle position of the second connecting rod 22 through a short shaft, so that the first connecting rod 3 and the second connecting rod 22 form a revolute pair; the upper end and the middle position of the third connecting rod 12 are respectively provided with a round hole, the lower end of the third connecting rod 12 is rotationally connected with a roller, the round hole at the upper end of the third connecting rod 12 is rotationally connected with a third connecting lug 13.2 at the right side, the roller at the lower end of the third connecting rod 12 can roll in a first wheel groove 1.1 at the right side, the lower end and the middle position of the fourth connecting rod 10 are respectively provided with a round hole, the upper end of the fourth connecting rod 10 is rotationally connected with a roller, the round hole at the lower end of the fourth connecting rod 10 is rotationally connected with a second connecting lug 1.3 at the right side, the roller at the upper end of the fourth connecting rod 10 can roll in a second wheel groove 13.1 at the right side, and the round hole at the middle position of the third connecting rod 12 is rotationally connected with the round hole at the middle position of the fourth connecting rod 10 through a short shaft, so that the third connecting rod 12 and the fourth connecting rod 10 form a revolute pair; the lower end of the first electric cylinder 2 is rotationally connected with the first connecting lug 1.2, and the upper end of the first electric cylinder 2 is rotationally connected with the fourth connecting lug 13.3, so that the first connecting rod 3, the second connecting rod 22, the third connecting rod 12 and the fourth connecting rod 10 form a scissor type lifting mechanism, and the first electric cylinder 2 can drive the lifting plate 13 to rise and fall, so that the height adjustment of the seat 4 is realized.
The seat 4 upside be equipped with the sponge, sponge outside cladding leather material, leather material surface is equipped with the ventilation hole, the inside fan that is equipped with of seat 4, the fan rotates the back and can make the air current upwards discharge through the ventilation hole, can ventilate the perspiration to the doctor of sitting for a long time, makes the doctor have dry comfortable riding experience, back 6 front side be equipped with the sponge, the sponge outside cladding leather material equally, leather material surface is equipped with the ventilation hole, the inside fan that is equipped with of back 6, the fan rotates the back and can make the air current discharge forward through the ventilation hole, can ventilate the perspiration to the doctor back, back 6 rear side lower extreme is equipped with branch 6.1, transversely be equipped with the lightening hole on the branch 6.1, second electric jar 23 rear end and lifter 13 downside intermediate position's fifth engaging lug rotate and be connected, second electric jar 23 front end and branch 6.1 lower extreme rotation are connected to the inclination of second electric jar 23 adjustable back 6.
The left arm support frame is installed in the left side of seat 4, can provide auxiliary stay to doctor's left arm, and the right arm support frame is installed in the seat 4 right side, can provide auxiliary stay to doctor's right arm, and left arm support frame and right arm support frame principle are the same to become bilateral symmetry structure, below taking right arm support frame as the explanation.
As shown in fig. 3, the lower side of the supporting table 8 is fixedly mounted on the right side of the lifting plate 13 through screws, two guide rings 8.1 are arranged on the outer side of the supporting table 8, guide holes are formed in the guide rings 8.1, a guide bar is vertically arranged in the guide holes, the two guide rings 8.1 are identical in structure and are vertically and coaxially arranged, the rack bar 33 is of a cylindrical structure, a guide groove is vertically arranged on the outer side of the rack bar 33, a rack bar 33 is vertically arranged on the left side of the rack bar 33, the rack bar 33 is mounted in the two guide rings 8.1, and the guide bar in the guide rings 8.1 is mounted in cooperation with the guide groove, so that the rack bar 33 can move up and down in the guide rings 8.1 but cannot rotate, the lifting motor 7 is fixedly mounted on the rear side of the supporting table 8 through screws, a gear 34 is coaxially and fixedly connected with an output shaft of the lifting motor 7, the gear 34 is meshed with a rack bar on the left side of the rack bar 33 to form a gear rack, a brake mechanism is integrated in the lifting motor 7, and thus stable locking can be achieved, the lifting motor 7 can drive the rack bar 33 to move up and down and positioning the rack bar 33, and the protective shell 9 is mounted on the outer side of the supporting table 9 in a thin-wall-shaped structure, and thus the dust-proof and attractive-proof structure is realized.
As shown in fig. 2, the console 5 is mounted on the back side of the backrest 6, the inclination angle of the console 5 can be adjusted according to the requirement, a first control rod 27 and a second control rod 26 are respectively mounted on the left side of the console 5 from top to bottom, a third control rod 28 and a knob 25 are respectively mounted on the middle position of the console 5 from top to bottom, a backrest ventilation button 30 and a seat ventilation button 24 are mounted on the right side of the knob 25, a fourth control rod 29 and a fifth control rod 31 are respectively mounted on the right side of the console 5 from top to bottom, wherein the first control rod 27 can be shifted up and down and has an automatic centering function, a lifting motor in the left arm support frame can be electrified by shifting up to enable the rack rod in the left arm support frame to move up, and the rack rod in the left arm support frame can be shifted down by shifting down the first control rod 27, so that the height adjustment of the left arm support frame can be realized; the second control rod 26 can be moved up and down and has an automatic centering function, the first electric cylinder 2 can be extended by moving up, so that the seat 4 is lifted, the first electric cylinder 2 can be contracted by moving down the second control rod 26, and the height of the seat 4 is lowered; the fourth control rod 29 can be shifted up and down and has an automatic centering function, the lifting motor 7 in the right arm support frame can be electrified by shifting up, the rack rod 33 in the right arm support frame can be moved down by shifting down the fourth control rod 29, and therefore the height adjustment of the right arm support frame can be achieved; the fifth control lever 31 can be moved up and down and has an automatic centering function, and the upward movement can extend the second electric cylinder 23, so that the backrest 6 can be rotated forwards to reduce the inclination angle, and the downward movement of the fifth control lever 31 can retract the second electric cylinder 23, so that the backrest 6 can be rotated backwards to increase the inclination angle.
The third control rod 28 can be moved up and down, left and right and has an automatic centering function, and the upward movement of the third control rod 28 can enable the first wheel 17, the second wheel 18, the third wheel 14 and the fourth wheel 11 to simultaneously rotate forwards, so that the frame 1 moves forwards, and the seat 4 moves forwards; pulling down on the third lever 28 causes the first wheel 17, the second wheel 18, the third wheel 14, the fourth wheel 11 to simultaneously rotate rearward, causing the seat 4 to move rearward; pulling the third lever 28 to the left causes the first wheel 17 to rotate rearward, the second wheel 18 to rotate forward, the third wheel 14 to rotate forward, and the fourth wheel 11 to rotate rearward, thereby moving the frame 1 and seat 4 to the left; toggling the third lever 28 to the right causes the first wheel 17 to rotate forward, the second wheel 18 to rotate rearward, the third wheel 14 to rotate rearward, and the fourth wheel 11 to rotate forward, thereby moving the frame 1 and seat 4 to the right.
Clockwise rotation of knob 25 causes forward rotation of first wheel 17, forward rotation of second wheel 18, rearward rotation of third wheel 14, rearward rotation of fourth wheel 11, thereby causing frame 1 and seat 4 to rotate in situ clockwise; turning the knob 25 counter-clockwise causes the first wheel 17 to turn backward, the second wheel 18 to turn backward, the third wheel 14 to turn forward, and the fourth wheel 11 to turn forward, thus rotating the frame 1 and seat 4 counter-clockwise in place.
Pressing the seat ventilation button 24 opens the seat ventilation function and pressing again closes the seat ventilation function; pressing the back ventilation button 30 opens the back ventilation function and pressing again closes the back ventilation function.
As shown in fig. 4, the rear end of the first arm 35 is rotatably connected with the upper end of the rack bar 33, the bellows 32 is coaxially mounted on the outer side of the rack bar 33, the upper end of the bellows 32 is connected with the lower side of the rear end of the first arm 35, the lower end of the bellows 32 is connected with the guide ring 8.1 on the upper side of the support table 8, so that the bellows 32 can realize dust-proof and waterproof protection of the rack bar 33, the lower end of the rotating member 36 is rotatably connected with the front end of the first arm 35, two round holes are vertically arranged on the right side of the rotating member 36, the second arm 37 is a sheet metal structure with an opening on the lower side, the left end of the second arm 37 is rotatably connected with the round hole on the upper right side of the rotating member 36, the third arm 38 is a sheet metal structure with an opening on the upper side, the left end of the third arm 38 is rotationally connected with a round hole at the lower end of the right side of the rotating member 36, the lower end of the third electric cylinder 39 is rotationally connected with the lower end of the inside of the rotating member 36, two round holes are vertically arranged at the left side of the moving member 40, the right end of the second arm 37 is rotationally connected with a round hole at the upper end of the left side of the moving member 40, the right end of the third arm 38 is rotationally connected with a round hole at the lower end of the left side of the moving member 40, and the upper end of the third electric cylinder 39 is rotationally connected with the middle position of the left side of the moving member 40, so that the second arm 37, the third arm 38, the moving member 40 and the rotating member 36 form a parallelogram structure, and the third electric cylinder 39 can drive the moving member 40 to move up and down.
The utility model provides a vertical support plate, including moving part 40, bearing frame 42, pressure sensor 41, support frame 42, support frame 45 and support frame 45 are equipped with the pressure sensor 41, the inside bottom of cavity structure install pressure sensor 41, pressure sensor 41 is equipped with the cavity structure, the cavity structure inside bottom install pressure sensor 41, the cavity structure inside bottom be equipped with the level bending structure to the level bending structure downside is equipped with circular briquetting 42.1, briquetting 42.1 installs in the cavity structure inside on moving part 40 right side to be located pressure sensor 41 upper end, thereby pressure sensor 41 can real-time supervision bear the pressure of frame 42, bearing frame 42 upper end is equipped with sixth engaging lug 42.2, bearing frame 42 lower extreme is equipped with the round hole, the layer 45 downside be the cambered surface structure, can provide comparatively comfortable support for doctor's forearm, the front end right side of cambered surface structure transversely is equipped with first pivot 45.1, cambered surface structure's rear end right side is equipped with second pivot 45.2, second pivot 45.2 and bearing frame 42 lower extreme round hole rotation connection, the lower extreme of tension sensor 44 pass through an articulated bolt and first pivot 45.1 rotation connection, fifth electric cylinder 43 upper end and sixth engaging lug 42.2 rotation connection, fifth electric cylinder 43 upper end and fifth electric cylinder 43 rotation connection lug 43, fifth electric cylinder 45 can be equipped with the vertical extension guard plate through the upper end of tension sensor, the vertical tension force sensor 45.
Embodiment one: the supporting plate 45 has five spatial degrees of freedom, including three degrees of freedom of movement and two degrees of freedom of rotation, and can respectively correspond to front and back, up and down, left and right movement, pitching and horizontal rotation of the forearm, so that the supporting plate has extremely high flexibility and can completely adapt to the activity requirement of the forearm.
Embodiment two: the pressure sensor 41 can monitor the pressure from the supporting plate 45 in real time, a threshold A can be set for the pressure sensor 41 in the control system, when the forearm needs to move downwards, the forearm can be pressed downwards, the pressure of the supporting plate 45 to the pressure sensor 41 is increased and exceeds the threshold A, the control system can detect that a doctor has a wish to reduce the height of the forearm, the third electric cylinder 39 is contracted, the supporting plate 45 moves downwards until the pressure value born by the pressure sensor 41 is equal to the threshold A, and in the process, the pressure sensor 41 monitors the difference value between the pressure value and the threshold A in real time, so that negative feedback closed loop control is formed.
When the forearm needs to move upwards, the forearm will lift upwards, so that the pressure of the supporting plate 45 to the pressure sensor 41 is reduced and smaller than the threshold A, and the control system detects that a doctor has a wish to lift the forearm, so that the third electric cylinder 39 is extended, the supporting plate 45 moves upwards until the pressure value born by the pressure sensor 41 is equal to the threshold A, and in the process, the pressure sensor 41 monitors the difference value between the pressure value and the threshold A in real time and forms negative feedback closed loop control.
Embodiment III: the tension sensor 44 can monitor the upward tension of the fifth electric cylinder 43 in real time, namely, the downward tension from the supporting plate 45, a threshold B can be set for the tension sensor 44 in the control system, when the forearm needs to be inclined downwards, the forearm can rotate downwards by taking the elbow joint as a round point, so that the tension of the supporting plate 45 to the tension sensor 44 is increased and exceeds the threshold B, the control system can detect the intention of a doctor to incline the forearm downwards, the fifth electric cylinder 43 is extended, the front end of the supporting plate 45 rotates downwards until the tension value of the tension sensor 44 is equal to the threshold B, and the tension sensor 44 monitors the difference between the tension value and the threshold B in real time in the process, so that negative feedback closed loop control is formed.
When the forearm needs to tilt upwards, the forearm will rotate upwards by taking the elbow joint as a round point, so that the tension of the supporting plate 45 to the tension sensor 44 is reduced and smaller than the threshold B, the control system can detect that a doctor wants to tilt the forearm upwards, the fifth electric cylinder 43 is contracted, the front end of the supporting plate 45 rotates upwards until the tension value of the tension sensor 44 is equal to the threshold B, and in the process, the tension sensor 44 monitors the difference value between the tension value and the threshold B in real time and forms negative feedback closed loop control.
Embodiment four: in the neurosurgery operation process, both hands of the doctor are occupied, and if the position and the height of the seat need to be adjusted, the doctor of the assistant can adjust the seat through the console 5.
Claims (7)
1. The neurosurgery seat comprises a moving mechanism, a lifting mechanism, a seat mechanism, a left arm support frame, a right arm support frame and a control module, wherein the left arm support frame is arranged on the left side of the seat mechanism, the right arm support frame is arranged on the right side of the seat mechanism, and the left arm support frame and the right arm support frame have the same principle and form a bilateral symmetry structure;
a cavity is arranged in a frame of the moving mechanism, four motors are fixedly arranged at the lower side of the frame, each motor independently drives one Mecanum wheel, the machine frame can move omnidirectionally and rotate randomly on the ground, the control module is arranged in the machine frame, and a control system and a lithium battery pack are integrated in the control module;
the lifting plate in the lifting mechanism is fixedly connected with the seat, the lifting mechanism is arranged on the upper side of the frame, the lifting mechanism is a scissor type lifting structure formed by a first connecting rod, a second connecting rod, a third connecting rod and a fourth connecting rod, and the first electric cylinder is arranged between the lifting plate and the frame and can realize the height adjustment of the seat mechanism;
the backrest inclination angle in the seat mechanism can be adjusted by a second electric cylinder, a console is arranged on the back side of the backrest, and medical staff can realize man-machine interaction with the seat through the console;
the supporting table in the right arm supporting frame is fixedly arranged on the right side of the seat, the rack bar and the supporting table form a moving pair, the motor is fixedly arranged on the rear side of the supporting table and drives the rack bar to move up and down through the gear, and the protective shell is arranged on the outer side of the supporting table, so that the dustproof and attractive effects can be realized;
the first arm rear end is rotationally connected with the upper end of the rack bar, the corrugated pipe is coaxially arranged on the outer side of the rack bar, the upper end of the corrugated pipe is rotationally connected with the lower side of the rear end of the first arm, the lower end of the corrugated pipe is vertically provided with two round holes, the lower end of the rotating piece is rotationally connected with the front end of the first arm, the right side of the rotating piece is vertically provided with two round holes, the second arm is of a sheet metal structure with an opening at the lower side, the left end of the second arm is rotationally connected with the round hole at the upper end of the right side of the rotating piece, the third arm is of a sheet metal structure with an opening at the upper side, the left end of the third arm is rotationally connected with the round hole at the lower end of the right side of the rotating piece, the lower end of the third electric cylinder is rotationally connected with the round hole at the upper end of the left side of the moving piece, the right end of the third arm is rotationally connected with the round hole at the lower end of the left side of the moving piece, and the upper end of the fourth electric cylinder is rotationally connected with the middle position at the left side of the moving piece, so that the second arm, the third arm, the moving piece and the moving piece form a parallel upper driving cylinder can move;
the right side of the moving part is vertically provided with a cavity structure, the bottom end inside the cavity structure is provided with a pressure sensor, the upper end of the bearing frame is of a horizontal bending structure, the lower side of the horizontal bending structure is provided with a circular pressing block, the pressing block is arranged inside the cavity structure on the right side of the moving part and is positioned at the upper end of the pressure sensor, so that the pressure sensor can monitor the pressure of the bearing frame in real time, the upper end of the bearing frame is provided with a sixth connecting lug, the lower end of the bearing frame is provided with a round hole, the lower side of the supporting plate is of an arc surface structure, the lower side of the supporting plate can provide more comfortable support for the forearm of a doctor, the right side of the front end of the arc surface structure is transversely provided with a first rotating shaft, the right side of the rear end of the cambered surface structure is transversely provided with a second rotating shaft, the second rotating shaft is rotationally connected with a round hole at the lower end of the bearing frame, the lower end of the tension sensor is rotationally connected with the first rotating shaft through a movable joint bolt, the upper end of the fifth electric cylinder is rotationally connected with a sixth connecting lug, the lower end of the fifth electric cylinder is fixedly connected with the upper end of the tension sensor through a screw thread pair, so that the tension sensor can monitor the tension of the fifth electric cylinder in real time, the fifth electric cylinder can control the pitching action of the supporting plate through extension or contraction, the right side of the supporting plate is vertically provided with a guard plate, and a weight reduction strip hole is vertically formed in the guard plate.
2. A neurosurgical chair according to claim 1, wherein: four arc baffles are arranged on the side face of the stand corresponding to the upper parts of the four Mecanum wheels, so that dangers caused by the fact that a doctor pedal the wheels by mistake are avoided.
3. A neurosurgical chair according to claim 1, wherein: the seat and the backrest are internally provided with ventilation devices, so that a doctor can sit for a long time and sweat, and the doctor has dry and comfortable riding experience.
4. A neurosurgical chair according to claim 1, wherein: the angle of the console can be adjusted, and a doctor can conveniently operate the device.
5. A neurosurgical chair according to claim 1, wherein: the control system forms negative feedback closed loop control through the pressure sensor, and can intelligently detect the height position adjustment willingness of the forearm of the doctor, thereby providing proper auxiliary support for the forearm of the doctor all the time and effectively relieving the fatigue of the doctor.
6. A neurosurgical chair according to claim 1, wherein: the control system forms negative feedback closed-loop control through the tension sensor, and can intelligently detect the pitching angle adjustment willingness of the forearm of the doctor, so that the forearm of the doctor is always supported in a proper auxiliary manner, and the doctor has better use experience.
7. A neurosurgical chair according to claim 1, wherein: the outside of the rack bar is coaxially provided with a corrugated pipe, so that the dust and water protection of the rack bar is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111621748.XA CN114288037B (en) | 2021-12-28 | 2021-12-28 | Neurosurgery seat |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111621748.XA CN114288037B (en) | 2021-12-28 | 2021-12-28 | Neurosurgery seat |
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| CN114288037A CN114288037A (en) | 2022-04-08 |
| CN114288037B true CN114288037B (en) | 2023-12-29 |
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| JP2015136516A (en) * | 2014-01-23 | 2015-07-30 | 株式会社デンソー | arm support device |
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| Publication number | Publication date |
|---|---|
| CN114288037A (en) | 2022-04-08 |
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Effective date of registration: 20231205 Address after: Qingdao Jiaozhou Central Hospital, 99 Yunxi Henan Road, Jiaozhou City, Qingdao City, Shandong Province 266300 Applicant after: QINGDAO JIAOZHOU CENTRAL Hospital Address before: 100044 Peking University People's Hospital, 11 South Avenue, Beijing, Xicheng District, Xizhimen Applicant before: Wang Yanling |
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