TW202027672A - Three-axis rotational platform - Google Patents

Abstract

A three-axis rotational platform and a semicircular canal testing system using the same are provided to solve the incapability of the conventional three-dimension axial rotation platform to respectively test the semicircular canals in different directions. The three-axis rotational platform includes a base, a frame rotatably coupled to the base about a first axial direction, and a seat having a seating member rotatably coupled to the frame about a second axial direction and a third axial direction. The second axial direction is perpendicular to the first axial direction, and the third axial direction is perpendicular to the first and the second axial directions. The seating member includes a head-abutting portion located at an intersection of the first, the second and the third axial directions.

Description

Three-axis rotating platform and semicircular canal detection system using the platform

The present invention relates to a rotating platform and a detection system using the rotating platform, in particular to a detection system used for medical testing, which can rotate in three-axis directions, and can respectively detect whether there are lesions in the semicircular canals in three different directions. A three-axis rotating platform and a semicircular canal detection system using the platform.

The detection of dizziness in conventional patients is clinically usually performed by allowing the patient to sit on a rotating chair to induce and record the physiological signals related to the patient’s eye movements, and to assess the patient’s dizziness The reason is caused by inner ear problems or brain diseases.

Please refer to Figure 1, which is a conventional three-dimensional axial rotation platform 9 having a fixed frame 91, an outer ring 92, an inner ring 93 and a body bracket 94. The outer ring 92 is pivotally connected to the fixing frame 91, so that the outer ring 92 rotates in an axial direction relative to the fixing frame 91. The inner ring 93 is pivotally connected to the outer ring 92 so that the inner ring 93 rotates in another axial direction relative to the fixing frame 91. The body bracket 94 and the inner ring 93 rotate synchronously, so that the body bracket 94 rotates along another axial direction relative to the fixing frame 91, and the three axial directions are perpendicular to each other. An embodiment of the three-dimensional axial rotation platform 9 similar to the conventional one has been disclosed in the patent case of China Announcement No. 2628031 "Three-dimensional axial rotation instrument for treatment of otolithiasis".

The above-mentioned conventional three-dimensional axial rotation platform 9 cannot be tested separately for the semicircular canals in each direction, so it is impossible to determine exactly which direction the semicircular canals cause the patient's dizziness.

In view of this, the conventional three-dimensional axial rotation platform does still need to be improved.

In order to solve the above-mentioned problems, the purpose of the present invention is to provide a three-axis rotating platform, which is used for medical inspection work and can respectively rotate in the three-axis directions.

The second objective of the present invention is to provide a semicircular canal detection system, which is used for medical detection work and can respectively detect whether there are lesions in the semicircular canals in three different directions.

The directionality described in the full text of the present invention or its similar terms, such as "front", "rear", "left", "right", "up (top)", "down (bottom)", "inner", "outer" , "Side", etc., mainly refer to the directions of the attached drawings. The directional or similar terms are only used to help explain and understand the embodiments of the present invention, and are not used to limit the present invention.

The approximate terms such as "combination", "combination" or "assembly" mentioned in the full text of the present invention mainly include the types that can be separated without destroying the components after being connected, or the components can not be separated after being connected, which are common knowledge in the field Those can be selected based on the materials of the components to be connected or assembly requirements.

The three-axis rotating platform of the present invention includes: a base; a frame body that is rotatably coupled to the base with respect to a first axis; and a base body having a seat that can be opposite to a second Axial axis and a third axis are rotatably coupled to the frame body, the second axis and the first axis are perpendicular to each other, and the third axis is mutually perpendicular to the first axis and the second axis Vertically, the seat has a head abutment portion located at the junction of the first axis, the second axis, and the third axis.

The semicircular canal detection system of the present invention uses the three-axis rotating platform as described above, and further includes: an eyeball signal capturing element for capturing the three-axis rotating platform when the user rides on the three-axis rotating platform. The first axis, the second axis, and the third axis oscillate, and the user's eye movement position when looking at a target point during the rotation to generate an eye signal; and a processor element, Coupled to the three-axis rotating platform and the eyeball signal capturing element, the processor element controls the base to swing along the first axis, the second axis, and the third axis, respectively Whether the eye signal generates nystagmus behavior is analyzed to learn whether the user has a lesion in the semicircular canal relative to the first axis, the second axis, or the third axis.

Accordingly, the three-axis rotating platform of the present invention and the semicircular canal detection system using the platform can fix the user's head at the junction of the first axis, the second axis, and the third axis, and The seat is controlled to swing along the first axis, the second axis, and the third axis, and in the process of swinging, the eyeball signal capturing element is used to detect and obtain the user in the first axis. Eyeball signals in one axis, the second axis, and the third axis. Subsequently, the processor element analyzes whether each of the eyeball signals produces nystagmus behavior, so as to learn whether the semicircular canals of the user in different directions have lesions. In this way, the system has the effect of improving the accuracy of judging the vestibular system lesions.

Wherein, the frame body has a bottom plate and a side plate, the bottom plate is rotatably coupled to the base by a rotating component, the rotating component can rotate relative to the first axial direction, the side plate is connected to the bottom plate, a swing component and a The pushing assembly is respectively coupled to the side plate, the seat body is rotatably coupled to the swing assembly and the pushing assembly, the swing assembly can rotate relative to the second axis, and the pushing assembly can rotate relative to the third axis. In this way, the three-axis rotating platform of the present invention has the functions of simple manufacturing and convenient assembly.

Wherein, the rotating assembly has a first rotating element and a first driving element, the first rotating element is combined with the bottom plate, and has a rotatable first rotating shaft, the first rotating shaft is located in the first axial direction The first driving member is combined with the base and used to drive the first rotating shaft to rotate, so that the frame body and the first rotating shaft rotate synchronously. In this way, the frame system of the three-axis rotating platform of the present invention has the function of rotating along the first axis.

Wherein, the swing assembly has a second rotating member and a second driving member, the second rotating member is coupled to the side plate, and has a rotatable second rotating shaft, the second rotating shaft is located in the second axial direction The second driving member is used for driving the second rotating shaft to rotate, so that the seat body and the second rotating shaft pivot synchronously. In this way, the seat system of the three-axis rotating platform of the present invention has the function of rotating along the second axis.

Wherein, the pushing assembly has a first end, a second end and a third driving member. The first end is pivotally connected to the side plate, the second end is pivotally connected to the seat member, and the third driving member is used for The length of the pushing assembly can be adjusted by driving the second end, so that the seat member can swing along the third axis. In this way, the seat system of the three-axis rotating platform of the present invention has the function of rotating along the third axis.

Wherein, the base body further has a fixing member, and the fixing member is arranged adjacent to the head abutment portion. In this way, the user's head can be fixed to the head abutment portion, and the user's head can be prevented from deviating from the junction of the first axis, the second axis and the third axis during the swing process of the seat body, resulting To judge the misjudgment of the vestibular system lesions, the three-axis rotating platform of the present invention has the effect of further improving the accuracy of judging the vestibular system lesions.

Wherein, the seat member further has a holding part. In this way, when the user rides on the seat for semicircular canal detection, he can hold the grip with both hands to prevent the seat body from falling down during the swing process. The three-axis rotating platform of the present invention It has the effect of enhancing the safety protection effect.

The three-axis rotating platform of the present invention may further include a height adjustment component that is combined with the side plate, and the height adjustment component is combined with the side plate to adjust the height of the base. In this way, the height of the base can be adjusted according to the height of the user, so that the user's feet and the base are kept at an appropriate distance, so as to avoid the user's feet hitting the base during the detection process. Injuries, the three-axis rotating platform of the present invention has the effect of further improving safety protection.

Wherein, the eyeball signal capturing component is a head-mounted high-speed camera. In this way, the semicircular canal detection system of the present invention has the effect of improving the convenience of use.

In order to make the above and other objects, features and advantages of the present invention more comprehensible, the preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings:

Please refer to Figure 2, which is a preferred embodiment of the three-axis rotating platform P of the present invention, which includes a base 1, a frame 2 and a base 3, and the frame 2 is combined with the base 1 , The seat body 3 is combined with the frame body 2.

The shape and state of the base 1 are not limited by the invention. In this embodiment, the base 1 is illustrated as a trapezoid.

Please also refer to FIG. 3, the frame 2 is rotatably coupled to the base 1 with respect to a first axis Y1. In detail, the frame body 2 may have a bottom plate 21 and a side plate 22. The bottom plate 21 can be rotatably coupled to the base 1 by a rotating assembly 23 that can rotate relative to the first axis Y1. Preferably, the rotating assembly 23 can be arranged inside the base 1. The rotating assembly 23 may have a first rotating member 24 and a first driving member M1. The first rotating member 24 is coupled to the bottom plate 21 and has a rotatable first rotating shaft R1, the first rotating shaft R1 Located in the first axis Y1, the first driving member M1 is coupled to the base 1, and is used to drive the first rotation axis R1 to rotate, so that the frame body 2 can rotate synchronously with the first rotation axis R1 . For example, the first driving member M1 may be a stepping motor.

Please refer to Figures 3 and 4, the side plate 22 is connected to the bottom plate 21, and the combination of the side plate 22 and the bottom plate 21 is not limited in the present invention, and may be integrally formed. A swing component 25 and a pushing component 26 are respectively combined with the side plate 22. The swing component 25 can rotate relative to a second axis Y2, and the second axis Y2 and the first axis Y1 are perpendicular to each other. The pushing assembly 26 can rotate relative to the third axis Y3, and the third axis Y3 is perpendicular to the first axis Y1 and the second axis Y2. In detail, the swing assembly 25 may have a second rotating member 27 and a second driving member M2. The second rotating member 27 is coupled to the side plate 22 and has a rotatable second rotating shaft R2. The two rotating shafts R2 are located in the second axial direction Y2, and the second driving member M2 is used to drive the second rotating shaft R2 to rotate, so that the seat body 3 and the second rotating shaft R2 pivot synchronously. In this embodiment In an example, the second driving member M2 may be a stepping motor. The pushing assembly 26 may have a first end 28, a second end 29, and a third driving member M3. The first end 28 is pivotally connected to the side plate 22, and the second end 29 is pivotally connected to the seat body 3. The length of the pushing assembly 26 can be adjusted so that the seat body 3 can swing along the third axis Y3. In this embodiment, the pushing assembly 26 is a telescopic electric push rod. The third driving member M3 is used to drive the second end 29 to expand and contract to adjust the length of the pushing assembly 26.

The seat body 3 may have a seat 31, and the seat 31 is rotatably coupled to the frame body 2 relative to the second axis Y2 and the third axis Y3. The seat 31 has a head abutment portion 32 located at the junction of the first axis Y1, the second axis Y2, and the third axis Y3. Preferably, the seat body 3 may further include a fixing member 33 disposed adjacent to the head contact portion 32 and used to fix the user's head on the head contact portion 32. In addition, the seat body 3 may further include a holding portion 34. In this embodiment, the number of the holding portions 34 may be two, and they are respectively arranged on two sides of the seat 31.

Preferably, the three-axis rotating platform P of the present invention may further include a height adjustment component 4 that is combined with the side plate 22 and used to adjust the height of the base 3. In detail, the height adjustment assembly 4 may have a lifting element 41 and a fourth driving element M4. The lifting element 41 is slidably coupled to the side plate 22, and the swing element 25 and the pushing element 26 are respectively coupled to the lifting element. The member 41. In this embodiment, the lifting member 41 can be a plate, but it is not limited thereto. The fourth driving member M4 is combined with the side plate 22 and the lifting member 41, and is used to drive the lifting member 41 to rise or fall along the first axial direction Y1. In this embodiment, the fourth driving member M4 may be A telescopic electric push rod.

Please refer to Figure 5, which is an embodiment of the semicircular canal detection system of the present invention, which can use the above-mentioned three-axis rotating platform P to try to induce the user to produce nystagmus (Nystagmus) behavior, and also includes an eyeball signal capture The element 5 and a processor element 6 are coupled to the three-axis rotating platform P and the eyeball signal capturing element 5.

The eyeball signal capturing component 5 is used to capture when the user rides on the three-axis rotating platform P, the three-axis rotating platform P is respectively along the first axis Y1, the second axis Y2, and the third axis. The axis Y3 swings, and the user's eyeball movement position when looking at a target during the rotation process generates an eyeball signal respectively. In this embodiment, the eyeball signal capturing component 5 can be a head-mounted high-speed camera.

The processor element 6 is coupled to the three-axis rotating platform P and the eyeball signal capture element 5. The processor element 6 can be any electronic device with data storage, calculation and signal generation functions, such as a programmable logic controller (PLC), digital signal processor (DSP), microcontroller (MCU) or circuit board with the above functions. The processor element 6 can analyze each of the eyeball signals to determine which of the three semicircular canals of different directions included in the vestibular system has caused lesions that lead to static tension imbalance.

Specifically, the processor element 6 drives the rotating assembly 23, the swing assembly 25, and the pushing assembly 26 to control the seat body 3 along the first axis Y1, the second axis Y2, and the The third axis Y3 swings, and during the swinging process, the eyeball signal capturing element 5 is controlled to capture the user's eyeball movement position to generate an eyeball signal respectively. The processor element 6 analyzes the plurality of eyeball signals to learn the movement track and frequency of the user's eyeballs, and thereby analyzes whether the user has nystagmus behavior, so as to know that the user is relative to the first Whether the semicircular canal of the axis Y1, the second axis Y2 or the third axis Y3 has any disease.

In summary, the three-axis rotating platform of the present invention and the semicircular canal detection system using the platform can fix the user's head at the junction of the first axis, the second axis, and the third axis , And control the seat body to swing along the first axis, the second axis, and the third axis respectively, and in the process of swinging, the eyeball signal capturing element is used to detect and obtain the user in Eyeball signals in the first axis, the second axis, and the third axis. Subsequently, the processor element analyzes whether each of the eyeball signals produces nystagmus behavior, so as to learn whether the semicircular canals of the user in different directions have lesions. In this way, the system has the effect of improving the accuracy of judging the vestibular system lesions.

Although the present invention has been disclosed using the above-mentioned preferred embodiments, it is not intended to limit the present invention. Anyone who is familiar with the art without departing from the spirit and scope of the present invention may make various changes and modifications relative to the above-mentioned embodiments. The technical scope of the invention is protected. Therefore, the scope of protection of the invention shall be subject to the scope of the attached patent application.

﹝this invention﹞ 1: base 2: frame 21: bottom plate 22: side panel 23: Rotating components 24: The first rotating part 25: Swing component 26: Push the component 27: The second rotating part 28: first end 29: second end 3: seat body 31: Rides 32: Head to Department 33: fixed parts 34: Grip 4: Height adjustment components 41: Lifting parts 5: Eyeball signal capture component 6: processor components M1: the first drive M2: The second drive M3: The third driver M4: The fourth drive P: Three-axis rotating platform R1: The first rotation axis R2: second rotation axis Y1: first axis Y2: second axis Y3: third axis ﹝Used ﹞ 9: Three-dimensional axial rotation platform 91: fixed frame 92: Outer Ring 93: inner ring 94: body bracket

[Picture 1] A combined perspective view of a conventional three-axis rotating platform. [Figure 2] A combined perspective view of the three-axis rotating platform of the present invention. [Figure 3] The three-axis rotating platform of the present invention is a use state diagram of a first axis and a second axis respectively. [Figure 4] A diagram of the use state of the three-axis rotating platform of the present invention swinging toward a third axis. [Figure 5] The system block diagram of the semicircular canal detection system of the present invention.

1: base

2: frame

21: bottom plate

22: side panel

23: Rotating components

24: The first rotating part

25: Swing component

26: Push the component

27: The second rotating part

28: first end

29: second end

3: seat body

31: Rides

32: Head to Department

34: Grip

4: Height adjustment components

41: Lifting parts

M1: the first drive

M2: The second drive

M3: The third driver

M4: The fourth drive

P: Three-axis rotating platform

R1: The first rotation axis

R2: second rotation axis

Y1: first axis

Y2: second axis

Y3: third axis

Claims (10)

A three-axis rotating platform, including: A base A frame body rotatably coupled to the base with respect to a first axis; and A seat body has a seat, the seat is rotatably coupled to the frame with respect to a second axis and a third axis, the second axis and the first axis are perpendicular to each other, the third The axial direction is perpendicular to the first axial direction and the second axial direction, and the seat has a head abutment portion located at the junction of the first axial direction, the second axial direction and the third axial direction Place. For example, the three-axis rotating platform described in item 1 of the scope of patent application, wherein the frame has a bottom plate and a side plate, and the bottom plate is rotatably coupled to the base by a rotating component which can be relative to the first axis The side plate is connected to the bottom plate, a swing component and a push component are respectively combined with the side plate, the seat is rotatably connected to the swing component and the push component, and the swing component can rotate relative to the second axial direction , The pushing assembly can rotate relative to the third axis. The three-axis rotating platform described in item 2 of the scope of patent application, wherein the rotating assembly has a first rotating member and a first driving member, and the first rotating member is coupled to the bottom plate and has a rotatable first A rotating shaft, the first rotating shaft is located in the first axial direction, the first driving member is combined with the base, and is used to drive the first rotating shaft to rotate, so that the frame body and the first rotating shaft are aligned Synchronous rotation. The three-axis rotating platform described in item 2 of the scope of patent application, wherein the swing assembly has a second rotating member and a second driving member, and the second rotating member is coupled to the side plate and has a rotatable first Two rotating shafts, the second rotating shaft is located in the second axial direction, and the second driving member is used for driving the second rotating shaft to rotate, so that the seat body and the second rotating shaft pivot synchronously. The three-axis rotating platform described in item 2 of the scope of patent application, wherein the pushing assembly has a first end, a second end and a third driving member, the first end is pivotally connected to the side plate, and the second The end is pivotally connected to the seat member, and the third driving member is used for driving the second end to adjust the length of the pushing assembly, so that the seat member can swing along the third axis. For the three-axis rotating platform described in item 1 of the scope of patent application, wherein the base body further has a fixing member, and the fixing member is arranged adjacent to the head portion. According to the three-axis rotating platform described in item 1 of the scope of patent application, the seat member additionally has a grip portion. For example, the three-axis rotating platform described in item 1 of the scope of patent application further includes a height adjustment component, which is combined with the side plate and used to adjust the height of the base. A semicircular canal detection system using the three-axis rotating platform described in any one of items 1 to 8 in the scope of the patent application, and further includes: An eyeball signal capturing element for capturing that when a user rides on the three-axis rotating platform, the three-axis rotating platform swings along the first axis, the second axis, and the third axis, respectively, The user's eyeball movement position when looking at a target point during the rotation process to generate an eyeball signal respectively; and A processor element, coupled to the three-axis rotating platform and the eyeball signal capturing element, the processor element controls the seat body to perform along the first axis, the second axis, and the third axis, respectively Swing, and analyze whether each of the eye signals generates nystagmus behavior, so as to know whether the user has lesions in the semicircular canals of the first axis, the second axis, or the third axis. For the semicircular canal detection system described in item 9 of the scope of patent application, the eyeball signal capturing component is a head-mounted high-speed camera.

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