WO2015137757A1 - Medical laser apparatus - Google Patents

Abstract

Disclosed is a medical laser apparatus comprising: a laser oscillator for generating light energy and outputting the light energy frontward; a fiber coupling control guide disposed in front of the laser oscillator; a plurality of optical apertures disposed to be spaced apart from each other at an interval; an optical fiber of which one end is connected to each of the plurality of optical apertures so as to transfer the light energy to the other end; and a laser irradiation unit connected to the other end of the optical fiber, wherein the light energy outputted from the laser oscillator is selectively supplied to any one of the plurality of optical apertures through the fiber coupling control guide.

Description

Medical laser device

The present application relates to a medical laser device.

Recently, according to the development of various high-tech technologies and the development of various medical devices, in the medical field, high-tech laser devices are being used for the treatment of various diseases.

Illustratively, in dentistry, in particular in the treatment of tooth decay, unlike drills, which always require mechanical contact, laser machines enable contactless treatment and have higher accuracy. In addition, according to the laser device, the pain mainly caused by vibration or heat at the time of mechanical contact can also be minimized, so that painless treatment is much easier to achieve. Therefore, the laser device has completely or partially replaced a recent mechanical device such as a conventional drill. Doing.

However, existing laser devices are expensive and cannot be placed in various places. Therefore, a small number of laser devices have to be moved and used in various places. Therefore, frequent laser devices are damaged due to lens damage caused by impact during movement or dust generated during movement. There is a problem that the utilization falls due to failure.

The present application is to solve the above-mentioned problems of the prior art, it is possible to reduce the purchase cost by using a single laser oscillator, it is possible to prevent the failure caused by the impact during the movement or dust generated during the movement to reduce the maintenance cost An object of the present invention is to provide a medical laser device.

As a technical means for achieving the above technical problem, the medical laser device according to the first aspect of the present invention, a laser oscillator for generating light energy to output in front, a fiber coupling control guide disposed in front of the laser oscillator, A plurality of optical apertures disposed at intervals from each other, one side is connected to each of the plurality of optical apertures, including an optical fiber for transmitting optical energy to the other side, and a laser irradiation unit connected to the other side of the optical fiber, The optical energy output from the laser oscillator is selectively supplied to any one of the plurality of optical apertures through the fiber coupling control guide.

According to the above-described problem solving means of the present application, by selectively transmitting the optical energy to a plurality of laser irradiation apparatus using a single laser oscillator, it is possible to solve the problem of having to purchase a plurality of laser oscillators, thereby significantly reducing the cost Can be.

Also, instead of moving the laser oscillator directly, the fiber irradiation control guide is used to select the laser irradiation unit that should transmit light energy, thereby preventing failures caused by impact during movement or dust generated during movement. can do.

In addition, it is possible to reduce the purchase cost and maintenance cost of the medical laser device, to popularize the medical laser device can contribute to the active treatment for the patient and thereby improving the quality of the treatment. In the case of dental equipment, for example, the fear of drills can be eliminated, allowing patients to be treated and treated comfortably, thereby improving the quality of life and contributing to the improvement of public health.

1 is a schematic diagram of a medical laser device according to an embodiment of the present disclosure.

2 is a schematic diagram showing that the medical laser device according to an embodiment of the present application is actually installed.

3 is a schematic diagram of a medical laser device according to another embodiment of the present application.

4 is a partial plan view of a medical laser apparatus according to another embodiment of the present application.

5 is a cross-sectional view taken along line AA ′ of FIG. 4.

6 is a schematic diagram of a laser irradiation unit according to an embodiment of the present application.

DETAILED DESCRIPTION Hereinafter, exemplary embodiments of the present disclosure will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present disclosure. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. In the drawings, parts irrelevant to the description are omitted for simplicity of explanation, and like reference numerals designate like parts throughout the specification.

Throughout this specification, when a member is located "on" another member, this includes not only when one member is in contact with another member but also when another member exists between the two members.

Throughout this specification, when a part is said to "include" a certain component, it means that it can further include other components, without excluding the other components unless specifically stated otherwise. As used throughout this specification, the terms "about", "substantially" and the like are used at, or in the sense of, numerical values when a manufacturing and material tolerance inherent in the stated meanings is indicated, Accurate or absolute figures are used to assist in the prevention of unfair use by unscrupulous infringers. As used throughout this specification, the term "step to" or "step of" does not mean "step for."

Hereinafter, with reference to the accompanying drawings will be described in detail the present application.

Referring to FIG. 1, the medical laser device 10 of the present disclosure may include a laser oscillator 100, a fiber coupling control guide 200, a plurality of optical apertures 300, and a plurality of optical apertures 300, respectively. A corresponding plurality of optical fibers 400 and laser irradiation unit 500 is included. In addition, the medical laser device 10 may further include a motor driver 220.

The laser oscillator 100 generates light energy and outputs it forward.

For example, the laser oscillator 100 may receive electric energy and amplify light to generate light energy such as one laser selected from a gas laser, a liquid laser, a solid laser, and a semiconductor laser and emit the light energy to the outside. .

The laser oscillator 100 as in the above-described example is a commonly used configuration that will be apparent to those skilled in the art, so detailed description thereof will be omitted.

The fiber coupling control guide 200 is disposed in front of the laser oscillator 100.

The optical aperture 300 may receive optical energy from the laser oscillator 100 and transmit the optical energy to the optical fiber 400.

The optical aperture 300 may be provided to the fiber coupling control guide 200. For example, referring to FIG. 1, the optical aperture 300 may be installed on the fiber coupling control guide 200.

In addition, the optical aperture 300 may be provided in plural and disposed at intervals from each other.

In addition, the fiber coupling control guide 200 is movable so that the optical energy output from the laser oscillator 100 can be selectively supplied to any one of the plurality of optical apertures 300.

To this end, the fiber coupling control guide 200 may move along a preset path, and the optical aperture 300 may be disposed corresponding to the preset path.

For example, a plurality of optical apertures 300 may be spaced apart from each other in the fiber coupling control guide 200. In addition, as the fiber coupling control guide 200 moves, the optical energy irradiated from the laser oscillator 100 may be accurately irradiated to one optical aperture 300 to be selected.

In addition, the fiber coupling control guide 200, when the operation input to any one of the laser irradiation unit 500 connected to each of the plurality of optical aperture 300 is made, the laser irradiation unit 500 is made of the operation input Optical energy of the laser oscillator 100 may be moved to the optical aperture 300 corresponding to the output.

For example, the operation input to the laser irradiation unit 500 may be made through a touch input or the like on a monitor provided in a chair of a room where the laser irradiation unit 500 to be used is located. According to the operation input through the monitor, the fiber coupling so that the optical energy of the laser oscillator 100 can be output to the optical aperture 300 corresponding to the laser irradiation unit 500 located in the same room as the operation input monitor The control guide 200 can be moved and aligned.

Or as another example, the operation input to the laser irradiation unit 500 may be made of a mechanical button, a touch button, and the like provided on the laser irradiation unit 500 itself.

In addition, the oscillation (output) of the laser (light energy) from the laser oscillator 100 can be made through the operation of the scaffold switch provided in the chair of the room where the laser irradiation unit 500 to be used is located.

For controlling the movement of the fiber coupling control guide 200, the medical laser device 10 of the present application may include a control unit. The control unit may be separately provided through a PC, but is not limited thereto and may be provided in the fiber coupling control guide 200 or the laser oscillator 100 itself.

As described above, the fiber coupling control guide 200 may move along a preset path, and the optical aperture 300 may be disposed corresponding to the preset path.

For example, referring to FIG. 1, the preset path may be set as a straight path, but is not limited thereto. This will be described later in more detail with reference to the configuration of the motor drive 220.

The optical aperture 300 may be disposed in the fiber coupling control guide 200 at predetermined intervals from each other along a preset path. In this case, the intervals between the plurality of optical apertures 300 may be set at the same intervals, but may be set at different intervals as necessary, such as a limitation of the placement space.

When a specific optical aperture 300 is selected through an input of the laser irradiation unit 500, the fiber coupling control guide 200 may be configured such that the laser oscillator 100 may correspond to the selected optical aperture 300. May be moved by the distance between the optical aperture 300 corresponding to the laser oscillator 100 and the selected optical aperture 300.

Here, the correspondence between the selected optical aperture 300 and the laser oscillator 100 means that both configurations are arranged on a straight line so that the selected optical aperture 300 can receive the light energy output from the laser oscillator 100. May mean deployed. However, the selected optical aperture 300 and the laser oscillator 100 are not always limited thereto, and may include a case in which the path of the output optical energy is bent through reflection or spectroscopy.

Although five optical apertures 300 are located in the fiber coupling control guide 200 in FIG. 1, the number of optical apertures 300 is not limited thereto, but may be set to less than five or more. Can be.

The optical fiber 400 is connected to each of the plurality of optical apertures 300 to transmit optical energy to the other side. That is, the optical fiber 400 may be provided in plural so as to correspond one-to-one to each of the plurality of optical apertures 300.

In this case, the optical fiber 400 is formed to have a sufficient length to prevent a portion connected to the optical aperture 300 and the laser irradiation unit 500 from being shorted as the fiber coupling control guide 200 moves. It is preferable.

The laser irradiation unit 500 is connected to the other side of the optical fiber 400.

In exemplary embodiments, the laser irradiation unit 500 may be a handpiece type. For example, the handpiece type laser irradiation unit 500 may generally be provided in the form of a bar that can be grasped by a user.

Referring to FIG. 2, the laser irradiation unit 500 may be disposed in each room. By way of example, each room may be a treatment room. Alternatively, as another embodiment, the laser irradiation unit 500 may be provided for each treatment chair provided in the same space (room).

In addition, the laser oscillator 100 and the fiber coupling control guide 200 may be disposed in an operation chamber provided separately from each of the rooms.

For example, when the user instructs the operation command in the treatment room where the laser irradiation unit 500 is arranged, the fiber coupling control guide 200 located in the separate operation room operates to instruct the operation command. In order to receive the optical energy from the laser oscillator 100 to the optical aperture 300 corresponding to the), the laser oscillator 100 and the optical aperture 300 is located in a straight line in the laser oscillator 100 The irradiated light energy may be transmitted to the laser irradiation unit 500 through the optical aperture 300.

In addition, the motor drive unit 220 may provide a driving force for movement to the fiber coupling control guide 200. The motor drive unit 220 may include a motor 210.

The fiber coupling control guide 200 may be connected to the motor 210. The motor 210 is operated by the command of the motor drive unit 220, the driving force is transmitted to the fiber coupling control guide 200 in accordance with the operation of the motor 210, the fiber coupling control along a preset path The guide 200 may be moved.

Referring to FIG. 1, the optical apertures 300 may be spaced apart from each other on a straight path. That is, in this case, the above-described preset path may be a straight path, and the fiber coupling control guide 200 may be linearly reciprocated along the straight path by the motor 210. In addition, the optical aperture 300 may be disposed spaced apart from each other on a plane perpendicular to the optical energy output direction of the laser oscillator 100, the fiber coupling control guide 200 and the optical energy output direction of the laser oscillator The laser oscillator 100 may correspond to the optical aperture 300 selected by moving in the up, down, left, and right directions on a vertical plane.

As another embodiment, the preset path may be set as an arc-shaped path. In exemplary embodiments, the plurality of optical apertures 300 may be arranged in a revolving type. In addition, the motor 210 rotates a plurality of optical apertures 300 disposed about the axis around the axis around the axis parallel to the light energy output direction of the laser oscillator 100, thereby causing the laser oscillator 100 to rotate. The optical aperture 300 corresponding to) may be changed.

However, the fiber coupling control guide 200 is not limited to being moved by the motor 210, but may be moved by a conveyor belt or gear coupling.

Hereinafter, a medical laser apparatus 10 according to another embodiment of the present invention will be described with reference to FIG. 3.

The medical laser apparatus 10 according to another embodiment of the present invention may further include an aperture guide 310 in which a plurality of optical apertures 300 are disposed.

In addition, the fiber coupling control guide 200 may move along the preset path of the output terminal 202 for outputting the optical energy transmitted from the laser oscillator 100.

In other words, the output end 202 of the fiber coupling control guide 200 may be moved so that the light energy output from the laser oscillator 100 may be transmitted to the input end 302 of the selected optical aperture 300. For example, the fiber coupling control guide 200 may include an optical component for reflecting light spectroscopy, spectroscopy, and the like, and bending the optical energy irradiated from the laser oscillator 100 through the optical component to form a fiber coupling. It may be transmitted to the output terminal 202 of the control guide 200.

The optical aperture 300 may be disposed in the aperture guide 310 at intervals from each other. In addition, as the output end 202 of the fiber coupling control guide 200 moves, the optical energy emitted from the laser oscillator 100 is selected by the optical coupling control guide 200 through the optical aperture 300. Can be accurately investigated. In this case, the intervals between the plurality of optical apertures 300 may be set to the same intervals, but may be set to different intervals as necessary, such as a limitation of the placement space.

When the optical aperture 300 is selected through an input of the laser irradiation unit 500 or the like, the output terminal 202 of the fiber coupling control guide 200 may correspond to the selected optical aperture 300. The coupling control guide 200 may be moved by the distance between the optical aperture 300 corresponding to the laser oscillator 100 and the selected optical aperture 300. At this time, the optical energy output from the laser oscillator 100 may be bent through reflection, spectroscopy, etc. in the fiber coupling control guide 200 and transferred to the selected optical aperture 300. In other words, as the fiber coupling control guide 200 is moved, the light energy output from the laser oscillator 100 may be bent and transmitted in the direction in which the optical aperture 300 is positioned through reflection and spectroscopy. .

However, the present invention is not limited thereto, and the fiber coupling control guide 200 may include a plurality of output terminals 202 corresponding to the plurality of optical apertures 300. In this case, when one optical aperture 300 of the plurality of optical apertures 300 is selected, optical energy is output to the output terminal 202 of the fiber coupling control guide 200 corresponding to the selected optical aperture 300. The light energy may be bent and transmitted in a direction in which the selected output terminal 202 is located through reflection, spectroscopy, or the like, so that the N may be output.

For example, as illustrated in FIGS. 3 to 5, the optical aperture 300 may be arranged in a revolving type. In addition, the motor 210 is an output end of the fiber coupling control guide 200 to the plurality of optical apertures 300 disposed at intervals along the periphery with a center parallel to the optical energy output direction of the laser oscillator 100. The output end 202 of the fiber coupling control guide 200 can be rotated about the axis so that the 202 can correspond. In addition, as shown in FIG. 4, four optical apertures 300 may be provided. However, the optical aperture 300 may be set to less than four or more than four.

Here, the correspondence between the selected optical aperture 300 and the laser oscillator 100 means that the optical coupling 300 receives the optical energy output from the laser oscillator 100 so that the selected optical aperture 300 receives the optical coupling control guide 200. It may mean that the output terminal 202 of the is arranged.

The optical aperture 300 receives the light energy output from the output end 202 of the fiber coupling control guide 200 to the input end 302 of the optical aperture 300, and receives the light energy received by the input end 302. It may be delivered to the optical fiber 400.

The medical laser apparatus 10 of the present application moves only the fiber coupling control guide 200 in a state in which the shock-sensitive and expensive laser oscillator 100 is constantly fixed without moving, and is generated in the laser oscillator 100. By transmitting the light energy to each laser irradiation unit 500, it is not necessary to purchase a plurality of laser oscillator 100 can significantly reduce the cost. In addition, there is an advantage that it is possible to reduce the maintenance cost by preventing the failure caused by the impact generated during the movement of the laser device or the dust generated during the movement.

Furthermore, as the medical laser device 10 is reduced in purchasing cost and maintenance cost, it is possible to popularize the medical laser device, thereby contributing to the active treatment for the patient and consequently improving the quality of the treatment.

Although not shown in the drawing, an output lens unit may be provided between the laser oscillator 100 and the wiper coupling control guide 200 to convert the wavelength of light energy passing therethrough.

The output lens unit may include a lens driver that may move the plurality of output lenses along a predetermined path such that the light energy of the laser oscillator 100 is output by passing through any one of the plurality of output lenses and the plurality of output lenses. .

In exemplary embodiments, the predetermined path may be a straight path. As a specific example, a plurality of output lenses are provided with lens mounts arranged at intervals along a linear path, and the lens driver includes an output lens for linearly moving such lens mounts to pass optical energy output from the laser oscillator 100. You can choose.

Alternatively, the predetermined path may be a circular path, in which case a plurality of output lenses are provided with lens mounts arranged at intervals along the circumferential direction, and the lens driving unit rotates the lens mounts while rotating the laser oscillator 100. It is possible to select an output lens for passing the optical edge output from the camera.

In addition, each of the plurality of output lenses may convert wavelengths of light energy passing through differently. The wavelength converted by the output lens may vary depending on the properties of the coating of the output lens. That is, each of the plurality of output lenses may have different physical properties of the material coated with the lens.

In addition, the laser irradiation unit 500 of the present application may further include an alignment index unit so that the selected optical aperture 300 and the laser oscillator 100 can be accurately aligned.

In addition, the optical aperture 100 selected to receive the optical energy output from the laser oscillator 100 among the laser oscillator 100 and the plurality of optical apertures 300 may be detected and aligned by a sensor. Can be. Control of such alignment may be performed by the controller. In addition, as the sensor, various sensors such as a photo sensor may be used.

Next, with reference to FIG. 5, the laser irradiation unit 500 of this application is demonstrated in detail.

The laser irradiation unit 500 of the present application may include a focusing lens 510, a beam barrel 520, a spacer barrel 530, and a forward and backward means 540.

The focusing lens 510 converges the light energy input from the optical fiber 400 and irradiates it forward.

The beam barrel 520 serves as a passage through which the light energy output from the focusing lens 510 passes.

The spacer barrel 530 is inserted into the outer circumference of the beam barrel 520.

The forward and backward means 540 forwards and backwards the spacer barrel 530 along the beam barrel 520, so that the distance between the front end of the spacer barrel 530 and the focusing lens 510 is adjusted, so that the front end of the spacer barrel 530 is adjusted. The distance between the portion in contact with the focusing lens 510 is adjusted to adjust the size of the light energy.

The laser irradiation unit 500 may include a wavelength filter 550. The wavelength filter 550 may be interchangeably disposed at the front or the rear of the focusing lens 510, and may select and pass light energy of a specific wavelength band from the incident light energy.

The laser irradiation unit 500 may include a diffusion lens 580 and an array lens 560. The diffusion lens 580 may be disposed to be replaced in front of the focusing lens 510 to diffuse the incident laser beam. In addition, the array lens 560 is disposed to be replaceable in front of the diffusion lens 580, and serves to focus the incident light energy to the multi-point.

The laser irradiation unit 500 may include an infection protection cap 570 in front of the spacer barrel 530. Infection protection cap 570 is coupled to replace the replacement can be used per patient to prevent infection between patients.

The above description of the present application is intended for illustration, and it will be understood by those skilled in the art that the present invention may be easily modified in other specific forms without changing the technical spirit or essential features of the present application. Therefore, it should be understood that the embodiments described above are exemplary in all respects and not restrictive. For example, each component described as a single type may be implemented in a distributed manner, and similarly, components described as distributed may be implemented in a combined form.

The scope of the present application is indicated by the following claims rather than the above description, and it should be construed that all changes or modifications derived from the meaning and scope of the claims and their equivalents are included in the scope of the present application.

Claims (20)

In the medical laser device, A laser oscillator generating light energy and outputting it forward; A fiber coupling control guide disposed in front of the laser oscillator; A plurality of optical apertures spaced apart from each other; An optical fiber having one side connected to each of the plurality of optical apertures and transferring optical energy to the other side; And Including a laser irradiation unit connected to the other side of the optical fiber, The optical energy output from the laser oscillator is selectively supplied to any one of the plurality of optical apertures through the fiber coupling control guide. The method of claim 1, The optical aperture is disposed on the fiber coupling guide, The fiber coupling control guide is movable along a preset path, The optical aperture is a medical laser device that is disposed corresponding to the predetermined path. The method of claim 2, The predetermined path is a medical laser device that is a path that moves on a plane perpendicular to the light energy output direction of the laser oscillator or a path that rotates about an axis parallel to the light energy output direction of the laser oscillator. The method of claim 1, Further comprising an aperture guide in which the optical aperture is disposed, The fiber coupling control guide may be moved along a preset path at which an output terminal for outputting optical energy transmitted from the laser oscillator is output. The optical aperture is a medical laser device that is disposed corresponding to the predetermined path. The method of claim 4, wherein The predetermined path is a medical laser device that is a path that moves on a plane perpendicular to the light energy output direction of the laser oscillator or a path that rotates about an axis parallel to the light energy output direction of the laser oscillator. The method of claim 5, The fiber coupling control guide is a medical laser device for spectroscopy or reflects the light energy transmitted from the laser oscillator to the selected optical aperture. The method of claim 1, The fiber coupling control guide may include an optical aperture connected to the laser irradiation unit in which the operation input is made, when an operation input is made to any one of the laser irradiation units connected to the plurality of optical apertures. Medical laser device is moved so that the light energy is output. The method of claim 7, wherein The operation input is a medical laser device that is made through the input to the monitor provided in the chair of the room where the laser irradiation unit to be used. The method of claim 1, The output of the light energy from the laser oscillator is a medical laser device that is made through the operation of the foot switch provided in the chair of the room where the laser irradiation unit to be used. The method of claim 1, The laser irradiation unit is disposed in each room, The laser oscillator and the fiber coupling control guide is disposed in the operating room provided separately from the room medical laser device The method of claim 1, Medical laser device further comprises a motor drive unit for providing a driving force for movement in the fiber coupling control guide. The method of claim 1, The laser irradiation unit is a medical laser device of the handpiece type. The method of claim 1, The laser irradiation unit A focusing lens for converging light energy input from the optical fiber; A beam barrel through which the optical energy output from the focusing lens passes; A spacer barrel inserted into an outer circumference of the beam barrel; And And a forward and backward means for advancing the spacer barrel back and forth along the beam barrel. The method of claim 13, The laser irradiation unit, And a wavelength filter which is disposed to be replaced at the front or the rear of the focusing lens, and passes through a light filter for selecting and passing light energy of a specific wavelength band from the incident light energy. The method of claim 13, The laser irradiation unit, A diffusing lens disposed in a replaceable front of the focusing lens and diffusing the incident light energy; And Medical laser device is disposed in the front of the diffusion lens replaceable, the array lens for focusing the incident light energy to a multi-point. The method of claim 13, The laser irradiation unit, Medical laser device that includes an infection protection cap that is interchangeably coupled to the front of the spacer barrel used for each patient. The method of claim 1, A medical laser device comprising an output lens unit for converting a wavelength of light energy passing between the laser oscillator and the fiber coupling control guide. The method of claim 17, The output lens unit includes a plurality of output lenses and a lens driving unit for moving the plurality of output lenses along a predetermined path such that the light energy of the laser oscillator is output through any one of the plurality of output lenses. Medical laser device. The method of claim 18, Each of the plurality of output lenses, the medical laser device having different lens coating properties to convert the wavelength of light energy passing through different. The method of claim 1, The optical aperture of the laser oscillator and the plurality of optical apertures selected to receive the optical energy output from the laser oscillator, the relative position is sensed and aligned by the sensor.

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