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A device for dermatological treatment using a laser beam

A technology of dermatology and laser beams, applied in the fields of therapy, phototherapy, medical science, etc., can solve the problems of measurement combinations with infrared sensors, etc.

Active Publication Date: 2013-01-23
VIVATECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0036] In view of these additional difficulties related to the distance from or adjacent to the area to be treated, virtually none of the laser devices in the prior art incorporate infrared sensors due to the significant inaccuracy of the measurements

Method used

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  • A device for dermatological treatment using a laser beam
  • A device for dermatological treatment using a laser beam
  • A device for dermatological treatment using a laser beam

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Embodiment Construction

[0062] As the light source, a laser source or an LED source can be used, but a laser source is preferably used. The laser source emits in a wavelength range of 0.6 μm to 2.5 μm, preferably 0.7 μm to 2.2 μm, particularly preferably 1.1 μm to 1.6 μm, for example 1.21 μm. The light source allows 1 to 500J / cm 2 , preferably 2 to 250 J / cm 2 , particularly preferably 5 to 200 J / cm 2 Skin fluence is delivered to the treated skin surface.

[0063] In the case of the device according to the invention, the field of view of the infrared sensor is not therefore more divergent, but has a constriction (focal point) around which the diameter of the field of view is smallest. Therefore, a field of view with a diameter of 1.5mm to 8mm can be obtained practically at a distance of 10mm to 60mm from the sensor. It is thus possible to place the sensor away from the treatment area, thereby avoiding disturbances due to diffusion of the laser light. In fact, the intensity of light interference d...

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Abstract

The invention concerns a mechanism for dermatological treatment using a light beam, comprising: a laser source (1) suitable for directing a laser beam onto at least one zone (2) of the area of skin to be treated, a means of contactless measurement sensitive to radiation according to temperature, of the temperature of a skin area corresponding to the area (2) of skin being treated, and a means of controlling (13) the aforesaid laser source via the means of measurement, the device being characterised by the fact that the aforesaid means of contactless measurement comprises an inf rared sensor (4) and an objective lens (20) suitable for focusing the field of view (5) of the aforesaid inf rared sensor such that the area of skin contained within the aforesaid field of view (5) is fully included in the area of skin (2) being treated by the aforesaid device.

Description

technical field [0001] The present invention relates to a device for dermatological treatment using a laser beam preferably having a wavelength of 1.1 μm to 1.6 μm, for example 1.21 μm. Background technique [0002] It is known from document WO 2009 / 071592 that there are devices for the perioperative and postoperative treatment of surgical trauma. The device uses a laser source with a wavelength of 0.6 μm to 2.5 μm that shapes its beam so that when the laser irradiates the skin, the distribution of energy over the area to be treated is uniform. More specifically, the beam is shaped into a rectangle to match the geometry of the incision, and the incision is then treated in segments equal in size to the length of the rectangle formed by the laser beam. [0003] The difficulty with this device lies in the fact that, for each segment, the power and exposure time of the laser must be determined in order to heat the edge of the cut to a certain temperature which must be precisely...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B18/20A61N5/06
CPCA61B18/203A61B2017/00084A61N5/0616A61B2018/00642A61N2005/0659A61B2018/0047A61B2018/00452
Inventor 西尔万·吉劳德阿尔班·戈斯阿兰·科尔尼帕特里克·佩罗纳
Owner VIVATECH
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