JP3658538B2 - Laser beam irradiation probe - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a laser beam irradiation probe that performs hair removal treatment by irradiating a skin with laser beam.
[0002]
[Problems to be solved by the invention]
Laser light is absorbed by a black substance and reflected by a white substance, and therefore has the property of being easily absorbed by melanin present in the skin.
Melanin is particularly abundant in the epidermis, outer root sheath, and hair matrix, and laser light is well absorbed by these tissues, from which Joule heat is radiated to damage the hair root and destroy the hair regeneration mechanism.
[0003]
In order to perform effective laser hair removal from such a viewpoint, it is necessary to administer a sufficient amount of light energy to the hair root.
However, thick and black hair absorbs laser light well and most of the energy is taken by the hair, so the amount of energy required for the hair root is lost.
Therefore, when removing thick and black hair, it is necessary to remove them before irradiating the laser beam.
[0004]
For hair removal, there are methods such as pulling out the hair, dissolving it with a hair removal cream, and stripping it off with a hair removal tape.
Of these, the method of pulling out the hair is laborious and painful, but compared to shaving with a razor, there is no remaining shaving, so the finish is clean and the hair grows slowly, so before laser hair removal Suitable as a hair removal method.
In addition, when an electrocoagulation hair removal method that causes protein coagulation in the dermal papilla head by high-frequency heat generated by applying a high frequency of about 300 to 3000 Hz to the hair to be removed at this time, hair regeneration is small and hair can be removed cleanly.
[0005]
Therefore, the present invention has been made to provide a laser beam irradiation probe capable of performing hair removal by using a combination of hair removal for making hair removal more effective and an electrocoagulation hair removal method.
[0006]
[Means for Solving the Problems]
In order to achieve this object, the present invention is configured as follows.
[0007]
That is, the invention of claim 1 is provided at the tip of the probe,
A semiconductor laser device for irradiating a laser beam;
Tweezers that pull the hair in front of it,
Is a laser beam irradiation probe.
According to a second aspect of the present invention, there is provided a laser beam irradiation probe according to the first aspect, wherein a condensing lens is attached in front of the optical axis of the semiconductor laser device, and the focal point of the condensing lens is connected in front of the tip of the tweezers. It is.
A third aspect of the present invention is the laser light irradiation probe according to the first or second aspect, wherein a high frequency power source is connected to the tweezers.
The invention of claim 4 is the laser beam irradiation probe according to claim 1 or 2, wherein the laser beam irradiation is stopped when the tweezers are closed.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below with reference to the drawings.
[0009]
FIG. 1 shows a side view in which a part of a laser beam irradiation probe embodying the present invention is cut out.
The laser beam irradiation probe 10 opens the front end of the cylindrical case 11 to provide a laser irradiation port a, and draws the cord b from the base end portion and connects to the control box 20.
The laser irradiation port a projects from the inner side of the case 11 to the front so that the tip of the tweezer 12 can be opened and closed, and the ball lens 13 is inserted by opening the center.
In addition, a heat sink 14 is attached to the rear of the ball lens 13, a through hole is formed in the axial center thereof, and the semiconductor laser diode 15 is inserted into the inner part.
[0010]
The tweezers 12 are formed of a conductor such as metal and have a structure in which a claw is provided at the tip of the two opposing pieces, and the base ends of the two opposing pieces are connected to the high frequency power source 21 of the control box 20.
Further, the outside of the two opposing pieces is covered with an insulator, and this portion is pressed so that a high-frequency current does not flow to the fingertip that opens and closes the tweezers 12.
[0011]
The spherical lens 13 condenses the laser light from the semiconductor laser diode 15 and focuses the front of the nail of the tweezer 12, but since the focal length is shorter than a normal lens, the optical power is reduced to a narrow range with a small focal depth. You can narrow down.
On the contrary, it spreads at the same angle from the position past the focal point, and the optical power is dispersed over a wide range.
For this reason, since the energy density becomes low and the optical power decreases at a position past the focal point, the risk of damaging the living body is reduced even if it is accidentally irradiated.
[0012]
The heat sink 14 diffuses heat generated during operation of the semiconductor laser diode 15 by heat conduction to suppress a decrease in output.
For this reason, it casts with aluminum or its alloy with good heat-conduction efficiency, and provides several dummy through-holes to improve heat dissipation efficiency.
[0013]
The semiconductor laser diode 15 is excited by passing a current directly through a PN junction diode using a compound semiconductor such as GaAs to obtain laser oscillation. In addition, laser light having a peak wavelength of 600 to 1600 nm and an optical output of 5 mW to 3 W is output, and the thermal efficiency is high and sufficient photothermal reaction occurs on the skin.
[0014]
FIG. 2 shows a front view of a control box embodying the present invention.
The control box 20 includes a high-frequency power source 21 and a laser power source 22, a power switch 23 on the front, an adjustment dial 24 for adjusting the output of the high-frequency power source 21, and a setting for setting an on-time for intermittent irradiation of the semiconductor laser diode 15. A dial 25, a connector 26 for connecting the laser beam irradiation probe 10, and six LED lamps 27 for displaying an on-time set by the setting dial 25 are arranged.
[0015]
The setting dial 25 switches and sets the intermittent irradiation on-time in six stages.
At this time, the six LED lamps 27 are turned on one by one in order from the left, corresponding to six stages of on-time.
In order to prevent temporary damage to the skin during intermittent irradiation, a count value of a very short number of seconds is set in the timer.
[0016]
The laser beam irradiation probe of the present invention is configured as described above. When performing a hair removal treatment, first, the power switch 23 is turned on.
Next, the adjustment dial 24 and the setting dial 25 are operated to adjust the output of the high-frequency power source 21 according to the hair, and the on-time for intermittent irradiation is set.
Next, as shown in FIG. 3, the outside of the tweezers 12 is pressed with a fingertip to close the nail, and one of the hairs to be removed is selected and pinched.
At this time, the adjusted high-frequency current flows to the nail and damages the hair root.
Here, when a slight pain is felt, the hair is pulled out and the nail of the tweezer 12 is opened.
When the nail of the tweezer 12 is opened, the laser beam is intermittently irradiated on time set by the semiconductor laser diode 15.
As a result, laser light is applied to the pores after the hair has been pulled out, causing further damage to the hair roots.
If you feel pain again, move the probe to the next hair and repeat the same operation.
And hair removal and laser hair removal are complete | finished at the time of processing all the hair which should be removed.
[0017]
【The invention's effect】
As described above, the laser beam irradiation probe of the present invention has hair removal at the tip of the probe and is connected to a high frequency power source, and uses hair removal and electrocoagulation hair removal method in addition to laser hair removal.
Therefore, according to the present invention, hair removal is efficiently absorbed by the hair root by removing the hair, and the hair removal efficiency is increased. In addition, the electrocoagulation hair removal method is used in combination, and the finish is clean and the proportion of hair to be regenerated is less effective. Realizing laser hair removal.
[0018]
Moreover, the laser beam irradiation probe of this invention attaches a condensing lens, and ties the focus of a laser beam ahead from the tip of tweezers.
Therefore, according to the present invention, the tweezers can function as an adjuster, and the irradiation position of the laser beam can be kept at an appropriate height.
[0019]
Further, the laser beam irradiation probe of the present invention stops the laser beam irradiation when the tweezers are closed.
Therefore, according to the present invention, the laser beam is stopped while the hair removal is closed and the hair removal is performed, and when the hair removal is finished and the hair removal is opened, the laser light is irradiated. Therefore, the hair removal and the laser hair removal are alternately and efficiently performed. It can be carried out.
[Brief description of the drawings]
FIG. 1 is a side view in which a part of a laser beam irradiation probe embodying the present invention is cut away.
FIG. 2 is a front view of a control box embodying the present invention.
FIG. 3 is an explanatory diagram of a method for using a laser beam irradiation probe embodying the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 10 Laser beam irradiation probe 11 Case 12 Tweezers 13 Ball lens 14 Heat sink 15 Semiconductor laser diode 20 Control box 21 High frequency power source 22 Laser power source 23 Power switch 24 Adjustment dial 25 Setting dial 26 Connector 27 LED lamp a Laser irradiation port b Code

Claims (4)

At the tip of the probe,
A semiconductor laser device for irradiating a laser beam;
Tweezers that pull the hair in front of it,
A laser beam irradiation probe comprising: 2. The laser beam irradiation probe according to claim 1, wherein a condensing lens is attached in front of an optical axis of the semiconductor laser device, and a focal point of the condensing lens is connected in front of the tip of the tweezers. The laser beam irradiation probe according to claim 1, wherein a high frequency power source is connected to the tweezers. 3. The laser beam irradiation probe according to claim 1, wherein irradiation of the laser beam is stopped when the tweezers are closed.

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