TWI702029B - Three-axis rotational platform - Google Patents

Abstract

A three-axis rotational platform is 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

The invention relates to a rotating platform, in particular to a three-axis rotating platform used for medical inspection work, which can respectively rotate in three-axis directions and can respectively detect whether there are lesions in the semicircular canals in three different directions.

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 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 having a bottom plate and a side plate, the side plate is connected to the bottom plate, and the frame body is rotatably coupled to the base with respect to a first axis; A swing component, combined with the side plate, the swing component can rotate relative to a second axis, the second axis and the first axis are perpendicular to each other; a push component, combined with the side plate, the push component can be opposite A third axis rotates, the third axis is perpendicular to the first axis and the second axis; the base has a seat, and the seat can be rotatably coupled to the second axis The swing assembly is coupled to the push assembly rotatably relative to the third axial direction, the seat has a head abutment portion, the head abutment portion is located in the first axial direction, the second axial direction and the third axial direction And a height adjustment component, combined with the side plate, the height adjustment component is used to adjust the height of the seat.

Accordingly, the three-axis rotating platform of the present invention can fix the user’s head on the The junction of the first axis, the second axis, and the third axis for subsequent detection of the user’s horizontal semicircular canal, anterior semicircular canal, and posterior semicircular canal, to accurately determine the factors causing the user’s dizziness Caused by which semicircular canal. In this way, the system has the effect of improving the accuracy of judging the vestibular system lesions.

Wherein, the bottom plate is rotatably coupled to the base by a rotating component, and the rotating component can rotate relative to the first axial direction. 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 in Judge the vestibule For misjudgment of systemic lesions, the three-axis rotating platform of the present invention has the effect of further improving the accuracy of judging 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.

〔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

[Traditional]

9: Three-dimensional axial rotation platform

91: fixed frame

92: Outer Ring

93: inner ring

94: body bracket

[Figure 1] A combined perspective view of a conventional three-axis rotating platform.

[Figure 2] The 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 diagram of the use state of swinging to a first axis and a second axis respectively.

[Figure 4] The three-axis rotating platform of the present invention is used in a state of swinging toward a third axis.

[Figure 5] The system block diagram of the semicircular canal detection system of the present invention.

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. It is a preferred embodiment of the three-axis rotating platform P of the present invention. It includes a base 1, a frame 2 and a base 3. The frame 2 is coupled to the base 1, and the base 3 is coupled to the Frame 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, etc. 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 can fix the user's head at the junction of the first axis, the second axis, and the third axis for subsequent user-oriented When the horizontal semicircular canal, the front semicircular canal and the posterior semicircular canal are tested, it is possible to determine exactly which semicircular canal is responsible for the user's dizziness. 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.

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 (7)

A three-axis rotating platform includes: a base; a frame body with a bottom plate and a side plate; the side plate is connected to the bottom plate; the frame body is rotatably coupled to the base with respect to a first axis; and a swing Component, coupled to the side plate, the swing component can rotate relative to a second axis, the second axis and the first axis are perpendicular to each other; a sliding component, combined with the side plate, the sliding component can be relatively Three-axis rotation, the third axis is perpendicular to the first axis and the second axis; the seat body has a seat, and the seat can be rotatably coupled to the swing relative to the second axis Component, and rotatably coupled to the pushing component with respect to the third axis, the seat has a head abutment portion located at the junction of the first axis, the second axis, and the third axis At; and a height adjustment component, combined with the side plate, the height adjustment component used to adjust the height of the seat. For example, the three-axis rotating platform of claim 1, wherein the bottom plate is rotatably coupled to the base with a rotating component, and the rotating component can rotate relative to the first axis. For example, the three-axis rotating platform of claim 2, wherein the rotating assembly has a first rotating element and a first driving element, the first rotating element is coupled to the bottom plate and has a rotatable first rotating shaft, the The first rotating shaft is located in the first axial direction, and the first driving member is combined with the base and used for driving the first rotating shaft to rotate, so that the frame body and the first rotating shaft rotate synchronously. For example, the three-axis rotating platform of claim 1, wherein the swing assembly has a second rotating element and a second driving element, the second rotating element is coupled to the side plate and has a rotatable second rotating shaft, the 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. For example, the three-axis rotating platform of claim 1, wherein the pushing component has a first One 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 seating member, and the third driving member is used to drive the second end to adjust the The length of the component is pushed so that the seat member can swing along the third axis. For example, the three-axis rotating platform of claim 1, wherein the base body further has a fixing member, and the fixing member is disposed adjacent to the head portion. For example, the three-axis rotating platform of claim 1, wherein the seat member further has a holding part.

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