WO2019119484A1

WO2019119484A1 - Oct probe rotation drive apparatus for use in lumen channel

Info

Publication number: WO2019119484A1
Application number: PCT/CN2017/118610
Authority: WO
Inventors: 杜宁意; 高峻; 宋李烟; 梁为亮; 李百灵
Original assignee: 广州永士达医疗科技有限责任公司
Priority date: 2017-12-18
Filing date: 2017-12-26
Publication date: 2019-06-27
Also published as: CN108095691A

Abstract

An OCT probe rotation drive apparatus for use in a lumen channel, comprising: an optical fibre slip ring (10), an optical fibre slip ring auxiliary workpiece (11), an optical slip ring drive workpiece (12), a first rotating wheel (131), a sensor fixing wheel (14), a fixing member (15), a probe fixing workpiece (17), and a drive component, the optical fibre slip ring (10) being connected to the optical fibre slip ring auxiliary workpiece (11), one end of the optical fibre slip ring drive workpiece (12) being connected to the optical fibre slip ring auxiliary workpiece (11), and the other end of the optical fibre slip ring drive workpiece (12) being connected to the first rotating wheel (131), the first rotating wheel (131) being connected to the sensor fixing wheel (14), and the sensor fixing wheel (14) being connected to the fixing member (15). In the present OCT probe rotation drive apparatus for use in a lumen channel, one end of the first rotating wheel (131) drives the rotation of the optical fibre slip ring drive workpiece (11), the optical fibre slip ring drive workpiece (11) driving the rotation of the optical fibre slip ring (10), and the other end of the first rotating wheel (131) driving the rotation of the fixing member (15), the fixing member (15) driving the rotation of the OCT probe, and a sensor on the sensor fixing wheel (14) simultaneously measuring the rotation speed of the first rotating wheel (131), such that the OCT probe can precisely detect images of the inside of the lumen channel.

Description

OCT probe rotary driving device for tube channel

Technical field

The present invention relates to the field of OCT probe driving, and more particularly to an OCT probe rotary driving device for a tube channel.

Background technique

Optical Coherence Tomography (OCT) is a method based on the principle of weak coherent light interference. The two-dimensional or three-dimensional structure of biological tissue is obtained by detecting the back reflection or scattering signals of different tissues to the incident weak coherent light. Imaging technology. It was first proposed by the Massachusetts Institute of Technology's research team in 1991. Compared with conventional nuclear magnetic, X-ray and ultrasonic imaging technologies, OCT has higher resolution up to the micron level, and because it is near-infrared optical imaging, there is no need to worry about any radiation risk; optical confocal with in vitro detection Compared to microscopes, OCT has a greater penetration depth, and it is easy to achieve miniaturization and portability by means of fiber optic technology, enabling on-line detection of living tissue. In recent years, OCT has achieved rapid development as a new imaging technology. Traditional OCT equipment has obtained a wide range of clinical diagnostic applications in the field of ophthalmology. Not only that, combined with fiber optics and endoscopic technology, research has begun to apply OCT imaging methods to many fields such as skin, teeth, cardiovascular, esophagus, and brain imaging.

When detecting the open channels of the human body such as the respiratory tract and reproductive tract, OCT probes are needed for detection. The current OCT probe rotary drive device is too simple, so that the OCT probe does not accurately detect the image inside the lumen. .

Summary of the invention

In order to overcome the deficiencies of the prior art, the object of the present invention is to provide an OCT probe rotary driving device for a tube channel, which can solve the current problem of driving the OCT probe rotary driving device to be too simple, so that the OCT probe can not be very accurate. The problem of detecting images inside the lumen.

The object of the invention is achieved by the following technical solutions:

An OCT probe rotary driving device for a tube channel, comprising: a fiber slip ring, a fiber slip ring auxiliary workpiece, a fiber slip ring driving workpiece, a first rotating wheel, a sensor fixing wheel, a fixing member, a probe fixing workpiece, and a driving part The optical fiber slip ring is connected to the optical fiber slip ring auxiliary workpiece, and one end of the optical fiber slip ring driving workpiece is connected to the optical fiber slip ring auxiliary workpiece, and the optical fiber slip ring drives the other end of the workpiece and the first rotating wheel Connecting, the first rotating wheel is connected to the sensor fixing wheel, the first rotating wheel is connected to the driving component, the sensor fixing wheel is connected to the fixing component, the optical fiber slip ring, the optical fiber The slip ring auxiliary workpiece, the optical fiber slip ring driving workpiece, the first rotating wheel, the sensor fixing wheel, the fixing member, and the probe fixing workpiece are all in the same axial direction, and the OCT probe and the fixing member are a telescopic connection, the probe fixing the workpiece for reinforcing the OCT probe, the driving component driving the first rotating wheel to rotate, and the first rotating wheel driving the optical fiber slip ring driving at one end Rotation of the workpiece, said workpiece driving optical slip ring for driving the optical slip ring is rotated, the other end of the first rotating wheel rotates to drive the fixing member, said fixing member rotatably driven by the OCT probe.

Further, the driving component includes a second rotating wheel and a servo motor, and the first rotating wheel and the second rotating wheel are connected to each other through a timing belt to form a synchronous wheel, and the second rotating wheel is connected to the servo motor. .

Further, the timing belt is a corrugated timing belt or a chain timing belt.

Further, the base further includes a base, the first limiting hole, the second limiting hole, the third limiting hole, the fourth limiting hole, and the fifth limiting hole, the first limiting hole, the The second limiting hole, the third limiting hole and the fourth limiting hole are in the same axial direction and the holes are on the same straight line, the first limiting hole, the second limiting hole, The third limiting hole and the fourth limiting hole are sequentially distributed in the same axial direction, and the fifth limiting hole is located at one side of the third limiting hole; the sliding ring driving structure is located in the first Between a limiting hole and the second limiting hole, the first rotating wheel is located between the second limiting hole and the third limiting hole, and the fixing workpiece is located in the third Between the limiting hole and the fourth limiting hole, the fifth limiting hole is located between the second rotating wheel and the servo motor.

Further, a lateral fixing member is further included, one end of the lateral fixing member is fixed to the side of the base, and the other end of the lateral fixing member is fixed to the inner surface of the outer casing of the OCT probe rotary driving device.

Further, the optical fiber slip ring fixing member is fixed on the base, and the optical fiber slip ring fixing member includes a through hole, and the optical fiber slip ring passes through the through hole.

Further, the optical fiber slip ring fixing member further includes a first optical fiber slip ring fixing member and a second optical fiber slip ring fixing member, wherein the first optical fiber sliding ring fixing member bottom is fixed to the second optical fiber sliding ring fixing member The through hole is located on the first optical fiber slip ring fixing member, and the second optical fiber slip ring fixing member is fixed on the base.

Further, the optical fiber slip ring driving workpiece comprises a fiber slip ring driving member and a coupling, one end of the optical fiber slip ring driving member is connected to the coupling, and the other end of the optical fiber slip ring driving member is opposite to the optical fiber A slip ring assists the workpiece connection, the coupling being coupled to the first rotating wheel.

Compared with the prior art, the present invention has the beneficial effects of the OCT probe rotary driving device for the tube channel, wherein the driving component drives the first rotating wheel to rotate, and the first rotating wheel drives the optical fiber to slide at one end. The ring drives the workpiece to rotate, the fiber slip ring drives the workpiece to drive the fiber slip ring to rotate, the other end of the first rotating wheel drives the fixing member to rotate, the fixing member drives the OCT probe to rotate, and the sensor on the fixed wheel of the sensor measures the rotation speed of the first rotating wheel, and The speed of the first rotating wheel is adjusted according to the speed measured by the sensor, so that the OCT probe can accurately detect the image inside the tube channel.

The above description is only an overview of the technical solutions of the present invention, and the technical means of the present invention can be more clearly understood and can be implemented in accordance with the contents of the specification. Hereinafter, the preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Specific embodiments of the present invention are given in detail by the following examples and the accompanying drawings.

DRAWINGS

The drawings described herein are intended to provide a further understanding of the invention, and are intended to be a part of the invention. In the drawing:

1 is a schematic structural view of an OCT probe rotary driving device for a tube channel according to the present invention;

2 is a schematic view showing the mechanism of a base in an OCT probe rotary driving device for a tube channel according to the present invention;

3 is a schematic structural view of a fiber slip ring driving workpiece in an OCT probe rotary driving device for a tube channel according to the present invention;

4 is a schematic structural view of an optical fiber slip ring fixing member in an OCT probe rotary driving device for a tube channel according to the present invention;

FIG. 5 is a schematic structural view of an OCT probe rotary driving device for a tube channel installed in a housing according to the present invention.

In the figure: 10, fiber slip ring; 11, fiber slip ring auxiliary workpiece; 12, fiber slip ring drive workpiece; 121, fiber slip ring drive; 122, coupling; 131, first wheel; 132, second Rotating wheel; 14, sensor fixed wheel; 15, fixing member; 16, probe unlocking workpiece; 17, probe fixed workpiece; 18, servo motor; 19, motor controller fixed workpiece; 2, base; 21, first limit hole 22, the second limit hole; 23, the third limit hole; 24, the fourth limit hole; 25, the fifth limit hole; 3, the lateral fixing member; 4, the optical fiber slip ring fixing member; The first optical fiber slip ring fixing member; 42, the second optical fiber slip ring fixing member; 5. the outer casing; 6. the optical fiber.

Detailed ways

The present invention will be further described in conjunction with the accompanying drawings and specific embodiments. It should be noted that, without conflict, the embodiments described below may be arbitrarily combined to form a new embodiment. .

As shown in FIG. 1 to FIG. 5, an OCT probe rotational driving device for a lumen of the present application, the OCT probe rotational driving device for a lumen of the present application is placed inside the outer casing 5, this embodiment The OCT probe rotation driving device for the tube channel includes a fiber slip ring 10, a fiber slip ring auxiliary workpiece 11, an optical fiber slip ring driving workpiece 12, a first rotating wheel 131, a second rotating wheel 132, a sensor fixing wheel 14, The fixing member 15, the probe unlocking workpiece 16, the probe fixing workpiece 17, the servo motor 18, the motor controller fixing the workpiece 19 and the base 2, the base 2 includes a first limiting hole 21, a second limiting hole 22, and a third limiting hole 23, a fourth limiting hole 24, a fifth limiting hole 25, the sliding ring driving structure is located between the first limiting hole 21 and the second limiting hole 22, the first rotating wheel 131 is located in the second limiting hole 22 and Between the third limiting holes 23, the fixing member 15 and the probe unlocking workpiece 16 are located between the third limiting hole 23 and the fourth limiting hole 24, and the second rotating wheel 132 passes through the fifth limiting hole 25, The five limit holes 25 are located between the second rotating wheel 132 and the servo motor 18. The first limiting hole 21, the second limiting hole 22, the third limiting hole 23, the fourth limiting hole 24 and the fifth limiting hole 25 are all circular through holes, and the first limiting hole 21 and the second The holes of the limiting hole 22, the third limiting hole 23 and the fourth limiting hole 24 are all on the same straight line, the first limiting hole 21, the second limiting hole 22, the third limiting hole 23 and the fourth limit The holes 24 are sequentially arranged on the same straight line, and the fifth limit holes 25 are located on the side of the third limit holes 23. The OCT probe rotary driving device for the tube channel of the present application further includes a lateral fixing member 3 and an optical fiber slip ring fixing member 4, and one end of the lateral fixing member 3 is fixed to the side of the base 2 by bolts, and the lateral fixing member 3 The other end is fixed to the inner surface of the outer casing 5. The optical fiber slip ring fixing member 4 is fixed to the base 2. The optical fiber slip ring fixing member 4 includes a through hole, and the optical fiber slip ring 10 passes through the through hole. The optical fiber slip ring fixing member 4 further includes a first optical fiber slip ring fixing member 41 and a second optical fiber slip ring fixing member 42. The bottom of the first optical fiber sliding ring fixing member 41 is fixed to the second optical fiber sliding ring fixing member 42. The second optical fiber slip ring fixing member 42 is fixed to the base 2 on the first optical fiber slip ring fixing member 41.

One end of the optical fiber slip ring 10 is connected to the optical slip ring auxiliary workpiece 11 , and the other end of the optical fiber slip ring 10 is connected to the optical fiber 6 . One end of the optical fiber slip ring driving workpiece 12 is connected with the optical fiber slip ring auxiliary workpiece 11 , and the optical fiber slip ring drives the other end of the workpiece 12 . A rotating wheel 131 is connected, and the optical fiber slip ring driving workpiece 12 includes an optical fiber slip ring driving member 121 and a coupling 122. One end of the optical fiber sliding ring driving member 121 is connected to the coupling 122, and the other end of the optical fiber sliding ring driving member 121 is optically slidable. The ring auxiliary workpiece 11 is connected, and the coupling 122 is coupled to the first rotating wheel 131.

The first rotating wheel 131 is connected to the sensor fixing wheel 14, the sensor fixing wheel 14 is connected to the fixing member 15, the fixing member 15 is connected to the probe unlocking workpiece 16, the OCT probe and the fixing member 15 are telescopically connected, and the probe unlocking the workpiece 16 is a through hole type. The workpiece, the OCT probe and the fixing member 15 extend through the probe to unlock the workpiece 16, the probe unlocking workpiece 16 is connected to the probe fixing workpiece 17, and the fourth limiting hole 24 is located between the probe unlocking workpiece 16 and the probe fixing workpiece 17; the probe fixing member 17 is used for For the reinforcement of the OCT probe, the first rotating wheel 131 and the second rotating wheel 132 are connected to each other by a timing belt to form a synchronous wheel, which is synchronous with a corrugated timing belt or a chain timing belt. The second rotating wheel 132 is connected to the servo motor 18. The motor controller fixed workpiece 19 is fixed with a motor controller circuit board, the motor controller circuit board is connected with the servo motor 18, and the sensor fixing wheel 14 is mounted with a sensor, and the sensor measurement is first. The rotation speed of the wheel 131 is rotated.

During use, the OCT probe is telescopically coupled to the fixing member 15. The probe fixing workpiece 17 reinforces the OCT probe in the rotary driving device in this embodiment, and the probe is fixed to fix the workpiece 17 to trigger the probe to unlock the workpiece 16 against the fixing member 15 Therefore, the OCT probe is extended, and the workpiece is fixed at the side for reinforcing the OCT probe; at this time, the motor controller circuit board controls the servo motor 18 to rotate, the servo motor 18 rotates to drive the second rotating wheel 132 to rotate, and the second rotating wheel 132 rotates. The rotation of the first rotating wheel 131 causes the first rotating wheel 131 to drive the optical fiber slip ring to drive the workpiece 12 to rotate the optical fiber slip ring 10, the optical fiber slip ring 10 is connected to the optical fiber, and the other end of the first rotating wheel 131 drives the fixing member 15 Rotating to drive the OCT probe to rotate, so that the OCT probe can measure the image in the tube channel in all directions.

The OCT probe rotary driving device for the tube channel of the invention applies the motor controller circuit board to control the rotation of the servo motor, the servo motor drives the second rotating wheel to rotate, and the second rotating wheel drives the first rotating wheel to rotate, One end of the rotating wheel drives the optical fiber slip ring to drive the workpiece to rotate, the optical fiber slip ring drives the workpiece to drive the optical fiber slip ring to rotate, the other end of the first rotating wheel drives the fixing member to rotate, the fixing member drives the OCT probe to rotate, and the sensor measurement on the sensor fixed wheel The rotation speed of the rotating wheel and the signal of the opening of the probe are triggered according to the speed measured by the sensor, so that the OCT probe can accurately detect the image inside the tube channel, and the rotation speed of the first rotating wheel is detected in real time by a highly accurate sensor. Therefore, the user can know the rotation speed of the first rotating wheel in real time, and can accurately adjust the rotation speed of the first rotating wheel to the required rotation speed by using the rotation speed of the first rotating wheel measured by the sensor, thereby avoiding insufficient speed adjustment. Accurate problem, the OCT probe accurately detects the tube by controlling the motor and the combination of the sensor Image within the track.

The above is only the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention; those skilled in the art can smoothly implement the present invention as shown in the drawings and above; however, A person skilled in the art can make equivalent changes to the changes, modifications and evolutions made by the above-discussed technical contents without departing from the technical scope of the present invention, and are equivalent embodiments of the present invention; Any changes, modifications, and evolutions of any equivalent changes made to the above embodiments in accordance with the essential techniques of the present invention are still within the scope of the technical solutions of the present invention.

Claims

An OCT probe rotary driving device for a tube channel, comprising: an optical fiber slip ring, an optical fiber slip ring auxiliary workpiece, an optical fiber slip ring driving workpiece, a first rotating wheel, a sensor fixing wheel, a fixing member, and a probe fixing workpiece And a driving component, the optical fiber slip ring is connected to the optical fiber slip ring auxiliary workpiece, and one end of the optical fiber slip ring driving workpiece is connected to the optical fiber slip ring auxiliary workpiece, and the optical fiber slip ring drives the other end of the workpiece and the first a rotating wheel is connected, the first rotating wheel is connected to the sensor fixing wheel, the first rotating wheel is connected to the driving component, the sensor fixing wheel is connected with the fixing component, the optical fiber slip ring, The optical fiber slip ring auxiliary workpiece, the optical fiber slip ring driving workpiece, the first rotating wheel, the sensor fixing wheel, the fixing member, and the probe fixing workpiece are all in the same axial direction, and the OCT probe and the a fixing member retractably connected, the probe fixing the workpiece for reinforcing the OCT probe, the driving component driving the first rotating wheel to rotate, the first rotating wheel driving the one end Fiber slip ring driven to rotate the workpiece, the workpiece fiber slip ring drive driving the optical fiber slip ring rotates, the first rotatable drive wheel and the other end of said fixing rotatable member, said rotatable fixing member driven by the OCT probe.
An OCT probe rotary driving device for a tube channel according to claim 1, wherein said driving member comprises a second rotating wheel, a servo motor, said first rotating wheel and said second rotation The wheels are connected to each other by a timing belt to form a synchronous wheel, and the second rotating wheel is coupled to the servo motor.
An OCT probe rotary driving device for a lumen according to claim 2, wherein said synchronous belt corona timing belt or chain timing belt.
The OCT probe rotary driving device for a tube channel according to claim 2, further comprising a base, the base comprising a first limiting hole, a second limiting hole, and a third limiting hole a fourth limiting hole, a fifth limiting hole, the first limiting hole, the second limiting hole, the third limiting hole and the fourth limiting hole are the same axial hole The first limiting hole, the second limiting hole, the third limiting hole and the fourth limiting hole are sequentially distributed in the same axial direction, and the fifth limiting position is The hole is located at one side of the third limiting hole; the sliding ring driving structure is located between the first limiting hole and the second limiting hole, and the first rotating wheel is located at the second limit Between the hole and the third limiting hole, the fixing workpiece is located between the third limiting hole and the fourth limiting hole, and the fifth limiting hole is located at the second rotating wheel Between the servo motor and the servo motor.
An OCT probe rotary driving device for a tube channel according to claim 4, further comprising a lateral fixing member, one end of the lateral fixing member being fixed to a side of the base, the lateral direction The other end of the fixing member is fixed to the inner surface of the outer casing of the OCT probe rotary driving device.
The OCT probe rotary driving device for a tube channel according to claim 5, further comprising: an optical fiber slip ring fixing member, wherein the optical fiber slip ring fixing member is fixed on the base, the optical fiber The slip ring fixing member includes a through hole through which the optical fiber slip ring passes.
The OCT probe rotary driving device for a tube channel according to claim 6, wherein the optical fiber slip ring fixing member further comprises a first optical fiber slip ring fixing member and a second optical fiber sliding ring fixing member, The bottom of the first optical fiber slip ring fixing member is fixed on the second optical fiber slip ring fixing member, the through hole is located on the first optical fiber slip ring fixing member, and the second optical fiber sliding ring fixing member is fixed to On the base.
The OCT probe rotary driving device for a tube channel according to claim 1, wherein the optical fiber slip ring driving workpiece comprises a fiber slip ring driving member and a coupling, and the optical fiber slip ring driving member One end is connected to the coupling, and the other end of the optical fiber slip ring drive member is connected to the optical fiber slip ring auxiliary workpiece, and the coupling is connected to the first rotating wheel.