WO2019037674A1 - 一种眩晕症诊疗系统 - Google Patents

一种眩晕症诊疗系统 Download PDF

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Publication number
WO2019037674A1
WO2019037674A1 PCT/CN2018/101190 CN2018101190W WO2019037674A1 WO 2019037674 A1 WO2019037674 A1 WO 2019037674A1 CN 2018101190 W CN2018101190 W CN 2018101190W WO 2019037674 A1 WO2019037674 A1 WO 2019037674A1
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WIPO (PCT)
Prior art keywords
seat
frame
treatment system
vertigo diagnosis
rotation
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PCT/CN2018/101190
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English (en)
French (fr)
Inventor
李华伟
聂国辉
屈寅弘
Original Assignee
复旦大学附属眼耳鼻喉科医院
深圳市第二人民医院
上海志听医疗科技有限公司
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Application filed by 复旦大学附属眼耳鼻喉科医院, 深圳市第二人民医院, 上海志听医疗科技有限公司 filed Critical 复旦大学附属眼耳鼻喉科医院
Publication of WO2019037674A1 publication Critical patent/WO2019037674A1/zh
Priority to US16/795,880 priority Critical patent/US10980468B2/en

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/40—Detecting, measuring or recording for evaluating the nervous system
    • A61B5/4005—Detecting, measuring or recording for evaluating the nervous system for evaluating the sensory system
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/40—Detecting, measuring or recording for evaluating the nervous system
    • A61B5/4005—Detecting, measuring or recording for evaluating the nervous system for evaluating the sensory system
    • A61B5/4023—Evaluating sense of balance
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
    • A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/48—Other medical applications
    • A61B5/4836—Diagnosis combined with treatment in closed-loop systems or methods
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6887—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient mounted on external non-worn devices, e.g. non-medical devices
    • A61B5/6888—Cabins
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/70—Means for positioning the patient in relation to the detecting, measuring or recording means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/70—Means for positioning the patient in relation to the detecting, measuring or recording means
    • A61B5/702—Posture restraints
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
    • A47C3/18—Chairs or stools with rotatable seat
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2560/00—Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
    • A61B2560/02—Operational features
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2560/00—Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
    • A61B2560/04—Constructional details of apparatus

Definitions

  • the invention relates to the technical field of medical instruments, in particular to a vertigo diagnosis and treatment system.
  • the vestibular system contains two types of sensory organs: semicircular canals and otolithic organs.
  • the semi-regular tube senses angular acceleration and provides central eye movement reflection for gaze stabilization when the head rotates.
  • Otolith organs including elliptical sacs and balloons, can sense linear acceleration and provide vestibular spinal reflex for positional stability.
  • the otolithic organ acts as a sensor of gravity-inertial force and can sense the spatial orientation. Under normal circumstances, the otolith is attached to the otolith. Due to head trauma or deterioration of the local structure, the otolith in the otolith is detached from the original position and is called the endolymph in the inner ear. swimming in the liquid.
  • otolithic disease is also known as benign paroxysmal positional vertigo (BPPV), which refers to the vertigo and nystagmus of a transient paroxysmal episode that occurs when the head moves rapidly to a particular head position.
  • BPPV benign paroxysmal positional vertigo
  • Benign paroxysmal positional vertigo is a clinically common peripheral vestibular disease that can be seen in all ages and is common in the elderly.
  • the disease is self-limiting.
  • the most commonly used semi-regulators are the latter semi-regulators (80% to 90%), followed by the outer semi-regulators (10%), and the least affected are the upper semi-regulators (2%).
  • the stimulation intensity of different semicircular canals is different.
  • the corresponding semicircular canals can be stimulated. Therefore, it can be stimulated by accelerating or decelerating the rotation of different semicircular canal planes and different directions.
  • the current vestibular functional series test is performed by stimulating the vestibulo-ocular reflex (VOR) caused by the end organs of the vestibule of the inner ear.
  • VOR vestibulo-ocular reflex
  • the semi-regulatory VOR function detection has been widely used for a long time, and the Otolithic organ VOR function detection development is late, and the corresponding laboratory detection technology has been lacking for a long time.
  • Chinese patent application 201510621775.5 discloses a gear type vertigo diagnosis and treatment system, which realizes multi-dimensional positioning and rotation. A similar positional rotation device is also disclosed in Chinese Patent Application No. 200910000200.6. However, for devices capable of simultaneously achieving vertigo diagnosis and evaluation of otolithic organ function, especially for the device for evaluating the function of the left and right ear otoliths by unilateral centrifugal test, it has not been reported yet.
  • the invention firstly provides a vertigo diagnosis and treatment system, comprising a frame, a revolving device, a rotation device and a seat;
  • the frame comprises a main frame and an oppositely disposed sub-frame;
  • the revolving device comprises a power mechanism and a slewing frame,
  • the rotator is disposed between the main frame and the sub-frame, and the main frame and the sub-frame provide slewing support for the slewing frame;
  • the rotation device comprises a power mechanism and a seat revolving frame, and the seat is disposed on the seat revolving frame
  • the seat is rotatably mounted in the turret, and the turret provides a rotation support for the seat turret; and the axis of the rotation of the seat turret is perpendicular to the axis of rotation of the turret.
  • the vertigo diagnosis and treatment system of the invention can realize the three-dimensional free rotation and the hovering at any position under the joint action of the revolution device and the rotation device, thereby achieving the effect of the semi-regular tube VOR function detection and otolith reduction.
  • the vertigo diagnosis and treatment system further includes a seat biasing mechanism
  • the seat biasing mechanism includes a support base and a horizontal guide rail disposed on the support base, the support base is fixed on the seat rotating frame, The seat is slidably coupled to the horizontal rail. Under the action of the seat biasing mechanism, the left and right deviation of the subject relative to the axis of rotation can be achieved to achieve the purpose of evaluating the function of the left and right ear otoliths, respectively.
  • Figure 1 is a front elevational view of the vertigo diagnosis and treatment system of the present invention.
  • Figure 2 is a left side view of Figure 1.
  • FIG. 3 is a schematic structural view of a seat biasing mechanism.
  • Figure 4 is a schematic diagram of a one-sided centrifugation test.
  • 1 is the auxiliary reducer
  • 2 is the seat rotating frame
  • 3 is the auxiliary shaft servo motor
  • 4 is the slewing frame
  • 5 is the main frame
  • 6 is the seat biasing mechanism
  • 7 is the base
  • 8 is the sub-rack
  • 9 is the main reducer
  • 10 is the spindle servo motor
  • 11 is the seat bottom plate
  • 12 is the sliding block
  • 13 is the horizontal guide shaft
  • 14 is the T-nut
  • 15 is the main support seat
  • 16 is the stepper motor
  • 17 is T
  • 18 is the auxiliary support seat
  • 19 is the connecting arm
  • 20 is the seat.
  • the vertigo diagnosis and treatment system of the present invention comprises a frame, a revolving device, a rotation device and a seat 20; the frame comprises a main frame 5 and an oppositely disposed sub-frame 8; the revolving device comprises a power mechanism and a revolving frame 4 The revolving frame 4 is disposed between the main frame 5 and the sub-frame 8.
  • the main frame 5 and the sub-frame 8 provide slewing support for the revolving frame 4;
  • the rotation device includes a power mechanism and a seat revolving frame 2,
  • the seat 20 is disposed on the seat revolving frame 2
  • the seat revolving frame 2 is disposed in the revolving frame 4, and the revolving frame 4 provides a rotation support for the seat revolving frame 2; and the axis of the seat revolving frame 2 is rotated
  • the axis of rotation of the turret 4 is perpendicular to each other.
  • the turret 4 is pivoted about a horizontal axis. At this time, the pivotal movement of the gyrator 4 on the horizontal axis can be realized by arranging the fulcrums of the turret 4 on the main frame 5 and the sub-frame 8 at a horizontal position.
  • the turret 4 is a box-shaped structure.
  • it may also be a curved, elliptical or circular structure, and here preferably a square-shaped structure, which will be more advantageous for the arrangement of the following seat biasing mechanism 6 and the operation of the entire apparatus.
  • the power mechanism of the revolution device includes a spindle servo motor 10 and a final reducer 9.
  • the power mechanism of the rotation device includes a secondary shaft servo motor 3 and an auxiliary speed reducer 1.
  • the auxiliary reducer 1 is a worm gear reducer.
  • the vertigo diagnosis and treatment system includes a base 7 that is secured to the base 7.
  • the vertigo diagnosis and treatment system further includes a seat biasing mechanism 6 including a support base and a horizontal rail disposed on the support base, the support base being fixed at The seat frame 2 is slidably coupled to the horizontal rail.
  • a seat biasing mechanism 6 including a support base and a horizontal rail disposed on the support base, the support base being fixed at The seat frame 2 is slidably coupled to the horizontal rail.
  • the support base is composed of a main support base 15 and a sub-support base 18, and a seat bottom plate 11 is provided between the main support base 15 and the sub-support base 18, on the seat bottom plate 11.
  • a horizontal guide shaft 13 is provided, on which the slide block 12 is provided, and the seat 20 is fixed to the slide block 12.
  • the seat pan 11 is provided with two guide shafts, and each of the guide shafts is provided with two sliding blocks 12.
  • the seat biasing mechanism 6 is further provided with a horizontal displacement self-driving unit including a stepping motor 16, a connecting arm 19 and a power transmission mechanism, the connecting arm
  • the slider block 12 is fixedly coupled, and the power transmission mechanism transmits the action of the stepping motor 16 to the connecting arm 19.
  • the power transmission mechanism includes a mating T-Nut 14 and a T-type screw 17, which drives the T-screw 17 to move.
  • the subject When the invention is in operation, the subject can realize three-dimensional free rotation and hovering at any position on the seat 20 under the joint action of the revolution device and the rotation device, thereby performing the semi-regular tube VOR function detection or otolith. Reset treatment.
  • the seat biasing mechanism 6 Under the action of the seat biasing mechanism 6, the left and right deviation of the treated person relative to the axis of rotation can be achieved to perform a one-sided centrifugation test to detect the functional state of the elliptical sac-eye movement.
  • the present invention can implement a Unilateral Centrifugation Test to detect the functional state of the elliptical sac-eye movement by inducing a change in lymphatic flow dynamics within the elliptic sac.
  • This experiment can evaluate the function of the elliptical capsule of the otolithic organ and test the function of the left and right lobes, respectively.
  • the subject is first slowly rotated on the axis of rotation of the horizontal semicircular canal at an acceleration of 4-6 deg/sec 2 until a constant speed of 300-400 deg/sec is reached.
  • the swivel chair automatically moves parallel to the horizontal One side of the semi-regular tube rotating shaft.
  • the original vertical rotation axis is 3.5-4 cm to the left or right side, and continues to rotate for about 30 seconds.
  • the function of the left elliptical capsule can be detected, because the left elliptical capsule feels the gravity inertia acceleration, that is, the resultant force of the centrifugal force and the gravity.
  • the right elliptical capsule function can be detected, as shown in FIG.
  • the vertigo diagnosis and treatment system of the present invention mainly comprises a frame, a spindle rotation system (ie, a revolution device), a secondary shaft rotation system (ie, a rotation device), and a seat biasing mechanism 6.
  • the spindle rotation system is powered by the spindle servo motor 10, and the cantilever is rotated about the horizontal axis;
  • the auxiliary shaft rotation system is powered by the auxiliary shaft servo motor 3, and the seat 20 is rotated about its own axis; the seat biasing mechanism 6 is realized.
  • the eccentric movement of the chair 20 at any distance within the range of travel.
  • the rack is mainly composed of a base 7, a main frame 5, and a sub-rack 8.
  • the base 7 is a support platform for the entire stun device, and the main frame 5 and the sub-frame 8 provide slewing support at both ends of the slewing frame 4 to form a simple support.
  • the mechanical structure of the beam can provide more stable motion support and high-speed eccentric rotation of the auxiliary shaft than the cantilever beam mechanical structure of the current vertigo equipment.
  • the spindle rotation system is mainly composed of a spindle servo motor 10, a main reducer 9, and a turret 4.
  • the spindle servo motor 10 outputs power, and the main reducer 9 transmits power to the turret 4, thereby causing the turret 4 to perform a rotational motion about a horizontal axis.
  • the emergency stop operation is taken, the spindle servo motor 10 is braked back, and the spindle rotation system stops immediately.
  • the spindle rotation system is gradually decelerated until it stops, and the gyrator 4 is returned to its position by gravity.
  • the rotation system is mainly composed of a secondary shaft servo motor 3, an auxiliary reduction gear 1 (for example, a worm gear reducer), and a seat rotating frame 2.
  • the auxiliary shaft servo motor 3 transmits power to the rotating frame by the worm gear reducer, thereby causing the seat rotating frame 2 to perform a rotational motion about its own axis.
  • the emergency stop operation is adopted, the auxiliary shaft servo motor 3 regenerative braking and the auxiliary reducer 1 reverse self-locking action, and the auxiliary shaft rotation system stops immediately.
  • the auxiliary shaft reducer is immediately stopped by the reverse self-locking of the auxiliary reducer 1.
  • the seat biasing mechanism 6 is mainly composed of a seat bottom plate 11, four sliding blocks 12 (ie, a linear motion unit), two horizontal guide shafts 13, a T-nut 14, a T-shaped screw rod 17, a main support base 15, and a sub-support.
  • the seat 18 and the stepping motor 16 are composed.
  • the seat 20 is pivoted on the seat pan 11, and the slider 12 and the horizontal guide shaft 13 provide the seat 20 with a degree of freedom of support and lateral offset in the horizontal direction.
  • the stepping motor 16 outputs power, and the T-type screw 17 decelerates to transmit power, and converts the rotary motion into a linear motion, thereby realizing the left and right shift of the seat 20 within the stroke range.

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Abstract

一种眩晕症诊疗系统，包括机架、公转装置、自转装置和座椅(20)；机架包括主机架(5)和相对设置的副机架(8)；公转装置包括动力机构和回转架(4)，回转架(4)设于主机架(5)和副机架(8)之间并为回转架(4)提供回转支撑；自转装置包括动力机构和座椅旋转架(2)。且进一步，眩晕症诊疗系统还包括座椅偏置机构(6)。眩晕症诊疗系统在公转装置和自转装置的共同作用下，可实现三个维度的自由旋转及任意位置的悬停，从而达到眩晕症诊疗的效果；在座椅偏置机构(6)的作用下，可实现被治疗人相对于旋转轴心的左右偏移，以进行单侧离心测试来检测单侧耳石器官的功能。

Description

一种眩晕症诊疗系统 技术领域
本发明涉及医疗器械技术领域，特别涉及一种眩晕症诊疗系统。
背景技术
前庭系统包含两种感觉器官：半规管和耳石器官。其中，半规管感受角加速度，为头部转动时的凝视稳定提供中枢眼动反射。耳石器官，包括椭圆囊和球囊，可以感受线性加速度，为位置稳定提供前庭脊髓反射。耳石器官作为重力-惯性力合力的感受器，可以感受空间方位。正常情况下耳石是附着于耳石膜上的，由于头部外伤、或者年老局部结构退化等原因，耳石器内的耳石从原来的位置上脱落，并在内耳内被称作为内淋巴的液体里游动。当人体头位变化时，这些半规管亦随之发生位置变化，沉伏的耳石就会随着液体的流动而运动，从而刺激半规管毛细胞，导致机体发生强烈性眩晕，时间一般较短，数秒至数分钟，可周期性加重或缓解。病程时间长短不一。此病症被称为耳石症又称为良性阵发性位置性眩晕(BPPV)，是指头部迅速运动至某一特定头位时出现的短暂阵发性发作的眩晕和眼震。
良性阵发性位置性眩晕症是一种临床上常见的周围性前庭疾病，可见于各年龄段，老年人多见。该病具有自限性。最常累及的半规管为后半规管(占80％～90％)，其次为外半规管(占10％)，最少受累的是上半规管(占2％)。当人体姿势发生变化时，不同半规管所受的刺激强度不同，通过对不同半规管平面的加速或减速旋转，可以刺激相应的半规管，故通过对不同半规管平面、不同方向的加速或减速旋转，可以刺激相应的半规管，从而对眩晕症进行治疗。
另外，目前前庭功能系列检测都是通过刺激内耳前庭终末器官而引发的前庭-眼动反射(vestibulo-ocular reflex,VOR)进行的。其中半规管VOR功能检测发展时间久应用广泛，而耳石器官VOR功能检测发展晚，长期以来一直缺乏相应的实验室检测技术。
中国专利申请201510621775.5公开了一种齿轮式眩晕症诊疗系统，实现了多维度的定位和转动。中国专利申请200910000200.6也公开了一种类似的体位旋转装置。然而，对于能够同时实现眩晕症诊疗及耳石器官功能评估的装置，尤其是通过单侧离心测试实现左右耳耳石器官功能分别评估的装置，目前还未见报道。
发明内容
本发明首先提供一种眩晕症诊疗系统，包括机架、公转装置、自转装置和座椅；所述 机架包括主机架和相对设置的副机架；所述公转装置包括动力机构和回转架，所述回转架设于主机架和副机架之间，主机架和副机架为回转架提供回转支撑；所述自转装置包括动力机构和座椅旋转架，所述座椅设于座椅旋转架上，座椅旋转架设于回转架内，回转架为座椅旋转架提供自转支撑；并且，所述座椅旋转架自转的轴线与所述回转架回转的轴线互相垂直。
本发明的眩晕症诊疗系统在公转装置和自转装置的共同作用下，可实现三个维度的自由旋转及任意位置的悬停，从而达到半规管VOR功能检测及耳石复位的效果。
进一步，所述眩晕症诊疗系统还包括座椅偏置机构，所述座椅偏置机构包括支撑座和设于支撑座上的水平导轨，所述支撑座固定在所述座椅旋转架上，所述座椅与所述水平导轨滑动连接。在座椅偏置机构的作用下，可实现受试者相对于旋转轴心的左右偏移，以达到分别评估左右耳耳石器官功能的目的。
附图说明
图1为本发明眩晕症诊疗系统的正视图。
图2为图1的左视图。
图3为座椅偏置机构的结构示意图。
图4为单侧离心测试的原理图。
其中，1为辅助减速机，2为座椅旋转架，3为辅轴伺服电机，4为回转架，5为主机架，6为座椅偏置机构，7为底座，8为副机架，9为主减速机，10为主轴伺服电机，11为座椅底板，12为滑动块，13为水平导向轴，14为T型螺母，15为主支撑座，16为步进电机，17为T型丝杆，18为副支撑座，19为连接臂，20为座椅。
具体实施方式
如图1-3所示，以下通过具体实施方案对本发明作进一步说明。
本发明的眩晕症诊疗系统，包括机架、公转装置、自转装置和座椅20；所述机架包括主机架5和相对设置的副机架8；所述公转装置包括动力机构和回转架4，所述回转架4设于主机架5和副机架8之间，主机架5和副机架8为回转架4提供回转支撑；所述自转装置包括动力机构和座椅旋转架2，所述座椅20设于座椅旋转架2上，座椅旋转架2设于回转架4内，回转架4为座椅旋转架2提供自转支撑；并且，所述座椅旋转架2自转的轴线与所述回转架4回转的轴线互相垂直。
在一个具体的实施方案中，所述回转架4绕水平轴线作回转运动。此时，将回转架4位于主机架5和副机架8上的支点水平相对的设置，即可实现回转架4绕水平轴线的回转 运动。
在一个具体的实施方案中，所述回转架4为方框形结构。当然，也可为弧形、椭圆形或圆形等结构，此处优选为方框形结构，将更利于下述座椅偏置机构6的设置和整个设备的运行。
在一个具体的实施方案中，所述公转装置的动力机构包括主轴伺服电机10和主减速机9。
在一个具体的实施方案中，所述自转装置的动力机构包括辅轴伺服电机3和辅助减速机1。
在一个具体的实施方案中，所述辅助减速机1为蜗轮蜗杆减速机。
在一个具体的实施方案中，所述眩晕症诊疗系统包括底座7，所述机架固定在底座7上。
在一个优选的实施方案中，所述眩晕症诊疗系统还包括座椅偏置机构6，所述座椅偏置机构6包括支撑座和设于支撑座上的水平导轨，所述支撑座固定在所述座椅旋转架2上，所述座椅20与所述水平导轨滑动连接。
在一个具体的实施方案中，所述支撑座由主支撑座15和副支撑座18构成，在所述主支撑座15和副支撑座18之间设有座椅底板11，座椅底板11上设有水平导向轴13，所述水平导向轴13上设有滑动块12，所述座椅20固定在所述滑动块12上。
在一个具体的实施方案中，所述座椅底板11上设有两个导向轴，每个导向轴上设有两个滑动块12。
在一个具体的实施方案中，所述座椅偏置机构6还设有水平位移自驱动单元，所述水平位移自驱动单元包括步进电机16、连接臂19和动力传动机构，所述连接臂19将所述滑动块12固定连接起来，所述动力传动机构将步进电机16的动作传递到所述连接臂19。
在一个具体的实施方案中，所述动力传动机构包括相互配合的T型螺母14和T型丝杆17，所述步进电机16驱动T型丝杆17运动。
本发明在工作时，受试者在座椅20上，在公转装置和自转装置的共同作用下，可实现三个维度的自由旋转及任意位置的悬停，从而进行半规管VOR功能检测或耳石复位治疗。同时，在座椅偏置机构6的作用下，可实现被治疗人相对于旋转轴心的左右偏移，以进行单侧离心测试来检测椭圆囊-眼动反射的功能状态。
具体地，针对耳石VOR功能检测，本发明可实现单侧离心测试(Unilateral Centrifugation Test)，通过引发椭圆囊内淋巴流动力学改变，检测椭圆囊-眼动反射的功能状态。此实验可以对耳石器官的椭圆囊功能进行评估，并可分别测试左椭圆囊和右椭圆囊功能。先使受试者在水平半规管的旋转轴上以4-6deg/sec 2的加速度缓慢旋转，直到达到300-400deg/sec 的恒定速度，当水平半规管的VOR反应停止后，转椅自动平行移至水平半规管旋转轴的一侧，。即原垂直旋转轴左侧或右侧3.5-4厘米处，并继续旋转约30秒。在转椅绕右侧耳石旋转轴旋转时，可以检测左侧椭圆囊功能，因为此时左侧椭圆囊感受到重力惯性加速度，即离心力与重力的合力。同理，在转椅绕左侧耳石旋转轴旋转时，可以检测右侧椭圆囊功能，如图4所示。
以下对本发明的结构作进一步分析：
本发明的眩晕症诊疗系统主要由机架、主轴旋转系统(即公转装置)、辅轴旋转系统(即自转装置)、座椅偏置机构6组成。主轴旋转系统由主轴伺服电机10提供动力，悬臂绕水平轴线做旋转运动；辅轴旋转系统由辅轴伺服电机3提供动力，座椅20绕自身轴线做旋转运动；座椅偏置机构6实现座椅20在行程范围内任意距离的偏心运动。
其中，机架主要由底座7、主机架5、副机架8组成，底座7是整个眩晕设备的支撑平台，主机架5和副机架8在回转架4两端提供回转支撑，形成简支梁的力学结构，与目前同类眩晕设备的悬臂梁力学结构相比，能够提供更稳定的运动支撑和辅轴的高速偏心旋转能力。
主轴旋转系统主要由主轴伺服电机10、主减速机9、回转架4组成。主轴伺服电机10输出动力，通过主减速机9传递动力给回转架4，从而使回转架4绕着水平轴线做旋转运动。紧机情况时，采取急停操作，主轴伺服电机10回生制动，主轴旋转系统立即停止运转。设备断电情况时，主轴旋转系统逐步减速运转直至停止，回转架4重力作用下归位。
自转系统主要由辅轴伺服电机3、辅助减速机1(例如蜗轮蜗杆减速机)、座椅旋转架2组成。辅轴伺服电机3通过蜗轮蜗杆减速机减速传递动力给旋转架，从而使座椅旋转架2绕自身轴线做旋转运动。紧急情况时，采取急停操作，辅轴伺服电机3回生制动和辅助减速机1反向自锁同时作用，辅轴旋转系统立即停止运转。设备断电情况时，利用辅助减速机1的反向自锁，辅轴旋转系统立即停止运转。
座椅偏置机构6主要由座椅底板11、四个滑动块12(即直线运动单元)、两个水平导向轴13、T型螺母14、T型丝杆17、主支撑座15、副支撑座18、步进电机16组成。座椅20安转在座椅底板11上，滑动块12和水平导向轴13给座椅20提供支撑和水平方向上左右偏移的自由度。步进电机16输出动力，T型丝杆17副减速传递动力，并将旋转运动转变成直线运动，从而实现座椅20在行程范围内的左右偏移。

Claims (10)

  1. 一种眩晕症诊疗系统，其特征在于，包括机架、公转装置、自转装置和座椅(20)；所述机架包括主机架(5)和相对设置的副机架(8)；所述公转装置包括动力机构和回转架(4)，所述回转架(4)设于主机架(5)和副机架(8)之间，主机架(5)和副机架(8)为回转架(4)提供回转支撑；所述自转装置包括动力机构和座椅旋转架(2)，所述座椅(20)设于座椅旋转架(2)上，座椅旋转架(2)设于回转架(4)内，回转架(4)为座椅旋转架(2)提供自转支撑；并且，所述座椅旋转架(2)自转的轴线与所述回转架(4)回转的轴线互相垂直。
  2. 根据权利要求1所述的眩晕症诊疗系统，其特征在于，所述眩晕症诊疗系统还包括座椅偏置机构(6)，所述座椅偏置机构(6)包括支撑座和设于支撑座上的水平导轨，所述支撑座固定在所述座椅旋转架(2)上，所述座椅(20)与所述水平导轨滑动连接。
  3. 根据权利要求2所述的眩晕症诊疗系统，其特征在于，所述支撑座由主支撑座(15)和副支撑座(18)构成，在所述主支撑座(15)和副支撑座(18)之间设有座椅底板(11)，座椅底板(11)上设有水平导向轴(13)，所述水平导向轴(13)上设有滑动块(12)，所述座椅(20)固定在所述滑动块(12)上。
  4. 根据权利要求3所述的眩晕症诊疗系统，其特征在于，所述座椅底板(11)上设有两个导向轴，每个导向轴上设有两个滑动块(12)。
  5. 根据权利要求4所述的眩晕症诊疗系统，其特征在于，所述座椅偏置机构(6)还设有水平位移自驱动单元，所述水平位移自驱动单元包括步进电机(16)、连接臂(19)和动力传动机构，所述连接臂(19)将所述滑动块(12)固定连接起来，所述动力传动机构将步进电机(16)的动作传递到所述连接臂(19)。
  6. 根据权利要求5所述的眩晕症诊疗系统，其特征在于，所述动力传动机构包括相互配合的T型螺母(14)和T型丝杆(17)，所述步进电机(16)驱动T型丝杆(17)运动。
  7. 根据权利要求1至6任一项所述的眩晕症诊疗系统，其特征在于，所述回转架(4)绕水平轴线作回转运动。
  8. 根据权利要求1至6任一项所述的眩晕症诊疗系统，其特征在于，所述回转架(4)为方框形结构。
  9. 根据权利要求1至6任一项所述的眩晕症诊疗系统，其特征在于，所述公转装置的动力机构包括主轴伺服电机(10)和主减速机(9)。
  10. 根据权利要求1至6任一项所述的眩晕症诊疗系统，其特征在于，所述自转装置的动力机构包括辅轴伺服电机(3)和辅助减速机(1)。
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