CN201445713U - A device for skin medical cosmetology using binary grating focusing - Google Patents

Abstract

A device for medical cosmetology of skin by utilizing binary grating focusing comprises a light source, an optical filter, an aperture diaphragm and a focusing element consisting of a binary Dammann grating and a Fourier transform lens; the optical filter, the aperture diaphragm and the focusing element are sequentially positioned on an emergent light path behind the external light source and are all perpendicular to the optical axis; the light emitted by the light source passes through the optical filter to remove the stray light with unnecessary wavelength in the light source; then adjusting the light beam through an aperture diaphragm; then the adjusted light beam is incident on a focusing element, and a periodic light spot array is formed by the combined action of the binary Dammann grating and the Fourier transform lens and acts on the skin of a human body, so that the medical cosmetology can be realized by using the focusing light spots; the utility model has simple structure, low cost and convenient carrying; can meet the requirements of small hospitals and even individuals and families, and is convenient for popularization.

Description

A device for skin medical cosmetology using binary grating focusing

technical field

The utility model relates to a medical device, in particular to a device for skin medical beauty treatment by using a binary grating to focus.

Background technique

The use of light for medical treatment has been developed for many years, and a variety of medical devices using light have been developed to meet the requirements of patients. For example, at some point in the past, ultraviolet light has been used to treat psoriasis. There are also many people who use some light exposure in winter to reduce the body's seasonal response.

The use of lasers in medicine was developed in the 1960s, when they were used as cutting tools in some surgical procedures; in the past few decades, lasers have been used to treat various skin problems, such as burns, psoriasis and acne, etc. ; and lasers are also playing an increasing role in the treatment of ophthalmic diseases, such as surgery for the treatment of myopia.

In the past, skin rejuvenation and skin wrinkle removal could only be done through physical excision or grinding, which were difficult to control and easily damaged the skin or even caused scars.

At present, abroad, there are also devices that use lasers for medical cosmetology, such as for freckle removal, etc., but in the medical process, the cosmetology process of this device is carried out point by point, so the efficiency is relatively low.

How to provide a safe and efficient skin cosmetic device is an urgent problem to be solved.

Utility model content

The technical problem to be solved by the utility model is to propose a safe, effective and portable skin cosmetic medical device in view of the disadvantages and problems existing in the skin medical cosmetic device in the prior art.

The technical scheme adopted by the utility model to solve the technical problem is: a device for skin medical beauty treatment by using binary grating focusing, including a filter, an aperture diaphragm and a binary Damman grating and a Fourier transform lens. The focusing element; the filter is located on the outgoing light path behind the light source and placed perpendicular to the optical axis; the aperture stop, the binary Damman grating and the Fourier transform lens are placed in sequence behind the filter and placed perpendicular to the optical axis; the beam passes through the aperture The diaphragm is incident on a focusing element consisting of a binary Damman grating and a Fourier transform lens.

The light source is a laser with a wavelength range of 1 micron to 12 microns.

The shape of the filter is circular, quadrangular, or hexagonal.

The shape of the aperture stop is circular, quadrangular, or hexagonal.

The focusing element can form a periodic array of light spots, and the array number N ranges from 4 to 1000.

The material of the binary Damman grating in the focusing element is an infrared material.

The material of the focusing lens in the focusing element is an infrared material.

The infrared material is silicon, germanium, zinc sulfide, or zinc selenide.

The optical filter, the aperture stop and the focusing element composed of the binary Damman grating and the focusing lens are uniformly packaged by packaging technology, and can also be divided into two or three sections of packaging, each section contains one element or more than one element, using The threads are screwed together.

The material used for the above package is metal or alloy.

Compared with the prior art, the utility model has the following advantages:

(1) The medical beauty device of the present utility model adopts a binary Damman grating with a periodic spot array and a focusing element composed of a Fourier transform lens to divide the laser beam into an array of focused spots, that is, the energy of the laser is divided into Beam, using the light spot array for medical cosmetology, using this device does not need to directly contact the skin, the thermal effect of the focused light spot is used to destroy the collagen of the skin, so that it can re-grow into new young skin;

(2) The medical cosmetic device of the present utility model adopts a focusing element formed by a binary Damman grating and a Fourier transform lens to form a focusing spot size of micron level, and the spot only destroys about 20% of the skin collagen in the treated area The rest of the skin tissue is not destroyed, so the damaged collagen can quickly grow into new young collagen, and the regeneration of the skin in the entire treatment area can be completed through multiple treatments;

(3) The focusing element of the medical cosmetic device of the present utility model adopts a binary Damman grating with a periodic light point array, which can generate tens to hundreds of independent focusing light spot arrays, compared with the existing single-point laser scanning technology, which improves the efficiency and practical applicability of the device;

(4) The medical cosmetic device of the present utility model has a simple structure and low cost, can meet the needs of small hospitals and even individual families, and is easy to popularize.

(5) The focusing element adopted in the medical cosmetic device of the present utility model is a structure combining a binary Damman grating and a Fourier transform lens. practicality.

Description of drawings

Fig. 1 is the schematic diagram of the device utilizing binary grating focusing for medical cosmetology of the present invention; among the figure 1 is a light source, 2 is an optical filter, 3 is an aperture stop, 4 is a binary Damman grating, and 5 is a Fourier transform Lens, 6 is the treated human skin;

Fig. 2 is a schematic diagram of the unit structure in the binary Damman grating, wherein the black part represents the part to be etched away, and the white part represents the part to be kept.

Detailed ways

Describe the utility model in detail below in conjunction with accompanying drawing and specific embodiment. But the following examples are limited to explain the utility model, and the protection scope of the utility model should include the whole contents of the claims, and those skilled in the art can realize the whole contents of the claims of the utility model through the following examples.

A device for skin medical cosmetology using binary grating focusing in this embodiment includes a light source 1, an optical filter 2, an aperture stop 3 and a focusing element composed of a binary Damman grating 4 and a Fourier transform lens 5 The focusing element can form a periodic array of light spots; the optical filter 2 in the device, the aperture stop 3, the focusing element composed of a binary Damman grating 4 and a Fourier transform lens 5 are sequentially located at the outlet behind the external light source 1 and are placed perpendicular to the optical axis; the light emitted by the light source 1 passes through the filter 2 to remove the stray light of the unnecessary wavelength in the light source; then passes through the aperture stop 3 and enters the binary Damman grating 4 and the Fourier transformation lens 5 to form On the focusing element of the device, a periodic array of light spots is formed to act on the treated human skin 6 to achieve medical cosmetology. The schematic diagram of the optical path of the device is shown in Figure 1.

The selected light source 1 of the present embodiment is a _CO2 laser with a wavelength of 10.6 microns, and its light wave will not cause damage to human skin; the diameter of the laser output beam is greater than 5 mm; the shape of the optical filter 2 and the focusing element 4 can be adjusted as required It is a circle, or quadrilateral, or various figures such as hexagon; the focal length f of the focusing element is 50mm; the materials of the binary Damman grating 4 and the Fourier transform lens 5 in the focusing element are all infrared materials, which can be Silicon, or germanium, or zinc sulfide, or zinc selenide. The unit pattern of the binary Damman grating structure is shown in Figure 2, the period size is 430 microns, and the number of arrays is 35×35.

The utility model device can generate a 7×7 light spot array by using the above-mentioned binary Damman grating structure and adding a Fourier transform lens to form a focusing element, that is, it can form 49 independent focusing light spots, compared with the prior art The single-point laser scanning adopted is more convenient and is an efficient treatment method.

The laser medical cosmetology device using the focus spot of the utility model is a miniaturized device. Usually, the outer dimension of the optical filter 2 is 10mm-25mm; the outer dimension range of the aperture diaphragm 3 is 10mm-25mm; The outer dimensions of the binary Damman grating 4 and the Fourier transform lens 5 range from 10mm to 25mm; the distance between the optical filter 2 and the aperture stop 3 can be 10mm to 60mm; the distance between the aperture stop 3 and the binary Damman grating 4 The distance between the binary Damman grating and the Fourier transform lens is 0mm ~ 5mm; the optical filter 2, the aperture stop 3, the binary The Damman grating 4 and the Fourier transform lens 5 are packaged; when packaged, they can be packaged uniformly, or divided into two or three sections; each section contains one or more elements, which are screwed together; when used with an external light source 1 connected; the medical beauty device has a simple structure, low cost, and is easy to carry; it can meet the needs of small hospitals and even individual families, and is easy to promote.

Claims (10)

1. a device that utilizes binary raster focus to carry out medical beauty treatment of skin is characterized in that: comprise optical filter (2), aperture diaphragm (3) and the concentrating element of being made up of a binary Darman raster (4) and Fourier variation lens (5); Optical filter (2) is positioned on the emitting light path behind the light source (1) and perpendicular to optical axis to be placed, and all places perpendicular to optical axis after aperture diaphragm (3), binary Darman raster (4) and Fourier variation lens (5) are positioned at optical filter (2) successively.

2. a kind of device that utilizes binary raster focus to carry out medical beauty treatment of skin according to claim 1 is characterized in that: described light source (1) is a laser instrument, and its wave-length coverage is 1 micron～12 microns.

3. a kind of device that utilizes binary raster focus to carry out medical beauty treatment of skin according to claim 1 is characterized in that: the profile of described optical filter (2) is circle, tetragon, or hexagon.

4. a kind of device that utilizes binary raster focus to carry out medical beauty treatment of skin according to claim 1 is characterized in that: the profile of described aperture diaphragm (3) is circle, tetragon, or hexagon.

5. a kind of device that utilizes binary raster focus to carry out medical beauty treatment of skin according to claim 1, it is characterized in that: described concentrating element can form periodic array of light spots, and its number of arrays N scope is 4～1000.

6. a kind of device that utilizes binary raster focus to carry out medical beauty treatment of skin according to claim 1 is characterized in that: described. the material of the binary Darman raster (4) in the concentrating element is an infra-red material.

7. a kind of device that utilizes binary raster focus to carry out medical beauty treatment of skin according to claim 1 is characterized in that: the material of the condenser lens in the described concentrating element (5) is an infra-red material.

8. according to claim 6 or 7 described a kind of devices that utilize binary raster focus to carry out medical beauty treatment of skin, it is characterized in that: described infra-red material is silicon, germanium, zinc sulfide or zinc selenide.

9. a kind of device that utilizes binary raster focus to carry out medical beauty treatment of skin according to claim 1, it is characterized in that: adopt encapsulation technology to unify to encapsulate with optical filter (2), aperture diaphragm (3) with by the concentrating element that binary Darman raster (4) and condenser lens (5) are formed, also can be divided into two sections or three sections encapsulation, every section comprises an element or an above element, utilizes screw thread to twist and lumps together.

10. a kind of device that utilizes binary raster focus to carry out medical beauty treatment of skin according to claim 9 is characterized in that: the material that encapsulation is adopted is metal or alloy.

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