EP3419539A1 - Procédé cosmétique pour retirer des tatouages de la peau d'un être humain ou d'un animal - Google Patents

Procédé cosmétique pour retirer des tatouages de la peau d'un être humain ou d'un animal

Info

Publication number
EP3419539A1
EP3419539A1 EP17707798.9A EP17707798A EP3419539A1 EP 3419539 A1 EP3419539 A1 EP 3419539A1 EP 17707798 A EP17707798 A EP 17707798A EP 3419539 A1 EP3419539 A1 EP 3419539A1
Authority
EP
European Patent Office
Prior art keywords
skin
cosmetic method
icing fluid
area
cosmetic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP17707798.9A
Other languages
German (de)
English (en)
Inventor
Daniel Bolz
Paolo Flaim
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Caccuri Vincenzo
Quagliarella Fabio
Original Assignee
Caccuri Vincenzo
Quagliarella Fabio
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Caccuri Vincenzo, Quagliarella Fabio filed Critical Caccuri Vincenzo
Publication of EP3419539A1 publication Critical patent/EP3419539A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/02—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by cooling, e.g. cryogenic techniques
    • A61B18/0218—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by cooling, e.g. cryogenic techniques with open-end cryogenic probe, e.g. for spraying fluid directly on tissue or via a tissue-contacting porous tip
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00743—Type of operation; Specification of treatment sites
    • A61B2017/00747—Dermatology
    • A61B2017/00769—Tattoo removal

Definitions

  • the present invention relates to a cosmetic method and an associated device for as scar-free as possible removal of tattoos
  • tattoos are widespread geographically and in different cultures. In animals tattoos take place for identification purposes. In humans, tattoos are a form of body modification.
  • enclosed color pigments are by means of laser radiation through
  • the method should be particularly simple and inexpensive as well as gentle to the skin. For those affected and for
  • End users should be provided with a high degree of user safety by the method and the associated device, so that even persons with only limited medical training are generally eligible for the user-friendly implementation of the method.
  • the acquisition and investment costs for a device suitable for carrying out the method should be as low as possible.
  • the acquisition and investment costs for a device suitable for carrying out the method should be as low as possible.
  • the thus provided method is designed for the removal of tattoos of human or animal skin.
  • the method consists in applying an icing fluid to at least one area segment lying in the region of the tattoo of the skin from the outside on the skin.
  • the local application of an icing fluid in a given area segment leads to a local
  • Icing fluid are applied directly to the dermis provided with the color pigments or come into direct contact with the dermis.
  • the skin layer provided with the color pigments can thus be iced well or locally frozen or at a temperature below the damage threshold of the skin
  • the opening and / or partial removal of the epidermis by means of cosmetic dermabrasion improves the cooling effect of the icing fluid on and in the skin layer provided with color pigments.
  • this makes it possible, when the cosmetic procedure is used for the first time, to transport all the dyes present in the region of the affected area segment outwards during skin regeneration and crust formation and thus to effectively remove them from the skin.
  • an uppermost skin layer by means of
  • Dermabrasion locally opened or ablated to a maximum depth of less than 0.1 mm or less than 0.05 mm.
  • Such a small removal of the uppermost skin layer, ie the epidermis, can therefore also be called an exfoliation.
  • the area of the skin to be treated with the icing fluid is subjected beforehand, that is to say prior to application of the icing fluid, to a so-called microdermabrasion. This is a controlled, mechanical removal of the uppermost skin layer (s).
  • the already described dermabrasion can be carried out in particular as microdermabrasion.
  • a microdermabrasion can be performed by a beautician according to current regulations, as this is a purely cosmetic procedure.
  • Microdermabrasion is equivalent to sandblasting. Local skin abrasions can be done without chemical agents. At the same time, the affected surface segment of the skin to be treated is cleaned particularly well by means of cosmetic dermabrasion or by means of microdermabrasion. By cosmetic dermabrasion or microdermabrasion are already already anyway
  • the uppermost or outermost skin layer that is to say the epidermis, should be removed by no more than 0.1 mm or even no more than 0.05 mm.
  • the removal of the epidermis should be as gentle as possible. Under no circumstances are those below the epidermis lying
  • the maximum size of the area segment to be provided with the icing fluid in the region of the tattoo is between 5 mm 2 and 20 mm 2 .
  • the surface segments to be treated can be configured, for example, circular or elliptical. But there are also any other geometric contours for those with the
  • Icing fluid to be treated surface segments conceivable. In a circular configuration of the surface segment to be treated with the icing fluid, this may have a maximum diameter of 2.5 mm to about 5 mm.
  • Such small surface segments enable a good crust formation process that is hardly noticeable to the person concerned. Furthermore, any surface tensions arising in the affected skin as a result of crust formation can be reduced to a minimum. This can further tearing the already formed crust are effectively counteracted. Such small surface segments also hardly limit the mobility of the affected person in the field of tattooing. According to a development of the cosmetic method, a skin area provided with the tattoo is subdivided into a plurality of area segments. In this case, only such surface segments are acted upon by the icing fluid which is around one
  • the surface segments to be treated with the icing fluid typically have a distance from each other that is approximately at least of the same order of magnitude as the diameter or area of the surface segments themselves.
  • Such surface segments that have not been treated with the freezing fluid in a first treatment will be treated as part of a repetition of the entire procedure in a similar or identical manner to surface segments already treated in a first procedure.
  • Treatment of the skin in the area of the tattoo takes place only after the skin treated in the course of a first and previous treatment has completely healed, that is, after all crusts formed as a result of the icing have fallen off.
  • a mask which can be applied to the skin and has passage openings is provided for dividing the skin into surface segments and for applying the icing fluid.
  • the said mask is placed on the skin.
  • the passage openings indicate the surface segments of the skin which can be acted upon by the icing fluid.
  • the geometry and position of the through-holes is in line with the geometry and the position of the treated surface segments of the skin.
  • the openings provided in the mask also lay those
  • the mask can be designed as a flexible mask, for example in the form of a flexible film or shell. Furthermore, the mask can be fixed in a frictional or cohesive manner with the skin to be treated. The mask can for example be attached and fixed externally to the skin with suitable straps or else by means of adhesive strips.
  • the mask may further provide a thermal insulating effect.
  • the mask can also be made of a thermally insulating material, for example of a thermoplastic and / or elastic plastic, which shows no cracking even at low temperatures and which is low temperature stable. In that regard, those covered by the mask and outside the
  • the mask may further comprise one or more thermoplastic
  • Elastomer materials such as e.g. have or consist of natural or synthetic rubber materials.
  • the icing fluid is in the form of a cryogenic liquid, a cryogenic gas or a form of a cryogenic liquid-gas mixture.
  • the icing fluid that is to say the cryogenic liquid, the cryogenic gas or a corresponding cryogenic liquid-gas mixture, for example also in the form of an aerosol, is applied to the at least one surface segment of the skin.
  • the icing fluid can, for example, in drop form and with the help of Mask applied locally to the skin. It is also conceivable that
  • Spray the icing fluid onto the surface of the skin In particular, it is provided to direct the icing fluid onto the surface segment by means of a particularly fine and focused beam.
  • liquid nitrogen and liquid nitrogen compounds such as
  • Nitrous oxide (N2O) in question. Such acted as icing fluid
  • Kryowashkeiten are commercially available in large quantities and quite inexpensive. Nitrous oxide, for example, in the form of comparatively easier to handle
  • the icing fluid can be used for icing in the form of a so-called cryogenic gas or cryogenic gas mixture.
  • Working temperatures between 228 K (-45 C) and 77 K (-196 C) can be used. Icing of the skin for the purpose described here can already be achieved with temperatures below -49 ° C. The necessary low temperatures can be achieved by relaxation
  • cryogenic liquefied nitrogen boils without pressure at 77 K or -196 ° C.
  • a surface segment of the skin is acted upon by the freezing fluid for a period of at most 15 seconds, at most 20 seconds or at most 30 seconds.
  • a time limit of the treatment of the surface segment with the icing fluid prevents any large-scale injury to the skin. Typical application times in the range of 15 to 20 seconds are usually sufficient to those with the
  • Color pigments provided skin layer (s) in the dermis controlled to die off. According to a further embodiment it is provided that the icing fluid in a circular interrupted movement over the entire selected
  • Surface segment of the skin is distributed. This applies in particular to an icing fluid applied to the surface segment in the form of a directed jet. When the affected surface segment is exposed to the icing fluid, the formation of an ice layer should be avoided as far as possible.
  • a circular motion during spraying of the icing fluid can by means of a concentrated
  • Beam effect of the applied fluid are mechanically removed. Furthermore, by means of a circular, uninterrupted movement, the surface segment to be acted upon by the icing fluid can be as evenly and homogeneously as possible
  • Be subjected to cold treatment It is advantageous in this case to direct the beam onto the surface segment at a predetermined angle of inclination of up to 30 ° with respect to a surface normal of the skin area to be treated.
  • the invention further relates to a device for
  • the device comprises an applicator for applying an icing fluid to a tattoo surface area lying on the outside of the skin.
  • the device further comprises a mask which can be applied to the skin and provided with a plurality of through-openings.
  • Glacial fluid to be applied.
  • the surface segments of the skin that have been exposed directly from the through-openings and that are accessible via the through-openings come into limited local contact with the icing fluid.
  • a minimum distance between adjacent passage openings is in the range of the size, that is, the diameter or the area of the passage openings. The distance between adjacent passage openings but can also be 1, 5 to 3 times the Diameter or area of the through holes amount.
  • the through holes are equidistant and evenly distributed over the surface of the mask. All through holes typically have identical contours or geometries.
  • the mask is further fastened by means of suitable fasteners to the skin or fixed thereto.
  • suitable fasteners to the skin or fixed thereto.
  • the mask fulfills several purposes in this respect, it serves the division of the skin in individual surface segments and provides a treatment grid for a so far
  • the mask serves to localize the cosmetic application to the selected skin segments, namely the
  • the device further comprises a Dermabrasions réelle in order to subject the area to be subjected to the cold treatment area segment, or several to be subjected to a cold treatment area segments of a cosmetic dermabrasion.
  • the device can provide a treatment kit for a gentle, scar-free as possible removal of tattoos of the human or animal skin.
  • the treatment kit may consist of an applicator for applying the icing fluid, a mask provided with through-openings and a dermabrasion device.
  • the applicator can in particular be designed as a portable applicator, which is characterized by a one-hand operation.
  • the applicator may be designed pin-shaped. At its distal end, it can have a jet opening, via which a concentrated jet of the icing fluid can be directed onto an affected area of the skin.
  • the applicator may comprise a removable housing cover having an insertion opening for a Cartridge has.
  • pressurized cartridges filled with a gaseous and / or liquid icing fluid or cryofluid can be inserted into the insertion opening.
  • the pressure level prevailing inside the cartridge can be used for the generation of a jet and for the automatic discharge of a jet of the cryogenic liquid.
  • the applicator can be designed purely pressure-operated and de-energized.
  • FIG. 1 shows a body part provided with a tattoo
  • Fig. 2 is an imaginary segmentation of the tattoo into individual
  • FIG. 4 shows a flow chart of the cosmetic method and FIG. 5 shows the individual components of the method for carrying out the method
  • a body part 1 of the human body namely, a forearm 2 is shown.
  • the skin 3 of the forearm 2 is provided with a tattoo 10.
  • the tattoo forming color pigments are typically located below the epidermis of the skin 3, typically within the so-called dermis, such as in the stratum papillae.
  • an icing fluid in particular a cryogenic according to the cosmetic method of the invention
  • the skin 3 in the area of the tattoo 10 is subdivided into individual surface segments 10.1, 10.2, 10.3, 11.1, 11.2, 11.3, etc., as shown by way of example in FIG.
  • a square or rectangular subdivision into individual surface segments is shown. But it can also, as shown for example in Fig. 3, circular or oval surface segments 10.1, 1 1 .1 for the
  • Cryo-treatment of the skin 3 can be selected.
  • the affected surface segments 10.1, 1 1 .1 can be marked either by means of a temporary and washable paint application.
  • the mask 20 typically has a planar mask body 21 with a plurality of through openings 20.1, 21 .1.
  • the mask 20 is provided for direct support on the skin 3. It can also be attached by means of straps and / or by means of adhesive strips if necessary by means of an adhesive coating on its underside to the affected skin area 3 and fixed thereto.
  • the distance of the individual passage openings 20.1, 21 .1, in particular the distance immediately adjacent in the mask body 21 provided through holes 20.1, 21 .1 is typically at least as large as the diameter or the cross section through one of the through holes 20.1, 21 .1.
  • the distance between adjacent passage openings 20.1, 21 .1 at least 1, 5 times as large, 2 times as large or at least 3 times as large as the diameter of the individual
  • Through holes 20.1, 21 .1. Define with a direct overlay on the skin 3 the passage openings 20.1, 21 .1 directly underlying surface segments 10.1, 1 1 .1 of the skin. 3
  • the marked for example by means of the mask 20 surface segments 10.1, 1 1 .1 of the skin 3 are treated with the cryogenic cryogenic fluid for a predetermined period.
  • the cryogenic fluid or the icing fluid punctiform and exclusively on the
  • Treatment of individual surface segments 10.1, 11.1 with the icing fluid or with the cryogenic fluid is typically 15 to a maximum of 30 seconds.
  • the cryogenic liquid or the icing fluid By locally and spatially limited application of the cryogenic liquid or the icing fluid, the affected areas of the skin are frozen or cooled so strong that the affected tissue dies.
  • the human or animal body is thereby stimulated to form new skin cells and to transport the dead and provided with the color pigments skin cells with the ink enclosed therein outward from the body.
  • the dead skin cells and the color pigments enclosed therein are incorporated into a crust, which gradually grows out of the skin or out of the body of the affected person or the affected animal.
  • the applicator 30 typically has a housing 31.
  • the elongate, typically pin or bar shaped housing 31 has a cryogenic liquid discharge nozzle 32 at one of the longitudinal and distal ends, respectively.
  • a cryogenic liquid discharge nozzle 32 By means of the nozzle 32, a focused or concentrated jet of cryogenic liquid can be applied quite precisely to the previously selected surface segment 10. 1, 1 .2 of the skin 3.
  • a concentrated jet of cryogenic liquid can also have a
  • Ice formation on the skin surface 3 can be avoided.
  • the momentum of the jet can be so great that ice particles formed as a result of the cryogenic treatment on the Skin surface 3 in the region of the passage openings 20.1, 21 .1 can be sprayed away as by a circular and possibly slightly inclined to the vertical movement of the beam.
  • the application of the cryogenic liquid by means of a circular movement within the selected for the treatment surface segment 10.1, 1 1 .1 also serves a uniform order of the cryogenic liquid.
  • a dermabrasion device 40 typically has an elongate housing 41. At a longitudinal end of the housing 41, for example at a distal end, a cap 42 with an abrasive tool 43
  • the Dermabrasions réelle 40 may be configured in particular in the form of a Mikrodermabrasions réelles.
  • a respective suitable attachment 42 can be used.
  • the abrasive tool 43 may, for example, as a rotating
  • Be designed grinding tool It may have a comparatively rough surface suitable for a grinding action, in order at least to open or partially ablate the outermost skin layer.
  • the epidermis is typically removed only to a maximum depth of less than 0.1 mm or less than 0.05 mm.
  • Icing fluid with the underlying dermis or the stratum papillar By locally opening or removing the epidermis can be a particularly good and
  • the affected area of the skin can also, for example, with small crystals, such as alumina, salt or with
  • Dermabrasion or microdermabrasion also stimulate the growth of new skin cells.
  • the healing process after performing the local cold treatment can be done much faster and faster in this way.
  • a first step 100 individual surface segments of the skin 3 in the region of the tattoo are selected or determined for the treatment procedure.
  • the already described mask 20 can be placed on the skin and fixed thereto.
  • the mask 20 with its passage openings 20.1, 21 .1 determines a treatment grid.
  • step 102 the epidermis of a selected surface segment 10.1 of the skin 3 is opened or removed at least partially by dermabrasion, in particular by means of microdermabrasion, or possibly also completely removed.
  • step 104 the icing fluid, typically in the form of the already described cryogenic fluid, is applied only and exclusively to the selected surface segment 10.1, 11.1. This is typically done with the aid of the applicator 30. In this case, in particular a fine or
  • Individual surface segments 10.1, 11.1 typically have a size between 5 mm 2 and 20 mm 2 .
  • For circular surface segments 10.1, 1 1 .1 are
  • Diameter between 2.5 mm and 5 mm provided. Such small surface segments enable a far-reaching tension-free healing process of the skin 3.
  • step 106 After the cold treatment in step 104, in a subsequent step 106 an individually varying waiting time, typically of several weeks, must be observed. Only after all icy parts of the skin 3 are completely healed and only after a crust formation completed and corresponding with
  • Color pigments provided crusts have dropped from the skin 3, the procedure, or the cosmetic procedure can be repeated.
  • step 108 other surface segments are selected. This can be done, for example, by a predetermined offset of the mask 20 with respect to its original position. Thereafter, the process of steps 102, 104 and 106 is performed again. Depending on the success of the individual treatments, the entire procedure must be carried out again after appropriate waiting times, until finally all the color pigments have been removed from the skin 3. It is also conceivable that individual tattoos are removed without an advance segmentation with only a single comparatively large-scale icing. However, such tattoos must not be larger than 1 cm or 1, 5 cm.
  • the opening or removal of the epidermis is typically carried out for all given by the mask 20 segments 10.1, 10.2, 10.3, 1 1 .1, 1 1 .2, 1 1 .3 of the skin 3, if affected area segments are in the tattoo 10. Also the mask 20 segments 10.1, 10.2, 10.3, 1 1 .1, 1 1 .2, 1 1 .3 of the skin 3, if affected area segments are in the tattoo 10. Also the mask 20 segments 10.1, 10.2, 10.3, 1 1 .1, 1 1 .2, 1 1 .3 of the skin 3, if affected area segments are in the tattoo 10. Also the
  • the applicator 30 shown only schematically and simplified in FIG. 5 has at its proximal end a receptacle for a cartridge 33, which is filled with the cryogenic liquid.
  • Cartridge designed cartridge 33 may also be optionally enclosed by a removable housing cover. Furthermore, the applicator 30 with a
  • Actuator 34 is provided, which ensures with appropriate actuation that a fine jet of cryogenic liquid from the nozzle 32 exits.
  • Actuator 34 may be configured as a button or as a rocker switch. It may be particularly suitable for actuation by the forefinger of a user, in particular when the applicator 30 is held in the manner of a stylus.
  • the housing 31 may have a handle piece with at least one recessed grip 35 at an end portion facing the nozzle 32.
  • the applicator can be clean
  • the replaceable cartridge or the pressure vessel can serve as a pressure reservoir, by means of which the cryogenic fluid, i. the cryogenic liquid or cryogenic gas can exit the nozzle 32 at a comparatively high velocity.
  • the applicator 30 For the application of the icing fluid or the cryogenic liquid to the skin 3, it is provided to align the applicator 30 at an angle of 70 ° to 90 °, that is to say approximately perpendicular to the plane of the skin 3.
  • the applicator 30 is in rapid, small circular movements successively on the treated
  • Color pigments provided skin layer, that is the dermis, optimally frozen and can be cold-treated.
  • the duration of treatment for each surface segment 10.1, 11.1 can also depend on the type of tattoo present there. With a weak shading, it is already sufficient to freeze the affected area for only about 15 seconds. For heavily stained skin areas, an uninterrupted period of use should be around 20 seconds.

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  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Biomedical Technology (AREA)
  • Engineering & Computer Science (AREA)
  • Otolaryngology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Cosmetics (AREA)

Abstract

Un aspect de l'invention concerne un procédé cosmétique pour retirer des tatouages (10) de la peau (3) d'un être humain ou d'un animal, consistant à appliquer de l'extérieur sur la peau (3) un fluide cryogénique sur au moins un segment superficiel (10.1, 11.1) situé dans la zone du tatouage (10).
EP17707798.9A 2016-02-24 2017-02-23 Procédé cosmétique pour retirer des tatouages de la peau d'un être humain ou d'un animal Withdrawn EP3419539A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP16157210.2A EP3210556A1 (fr) 2016-02-24 2016-02-24 Procede cosmetique destine a enlever les tatouages de la peau humaine ou animale
PCT/EP2017/054164 WO2017144587A1 (fr) 2016-02-24 2017-02-23 Procédé cosmétique pour retirer des tatouages de la peau d'un être humain ou d'un animal

Publications (1)

Publication Number Publication Date
EP3419539A1 true EP3419539A1 (fr) 2019-01-02

Family

ID=55451026

Family Applications (2)

Application Number Title Priority Date Filing Date
EP16157210.2A Withdrawn EP3210556A1 (fr) 2016-02-24 2016-02-24 Procede cosmetique destine a enlever les tatouages de la peau humaine ou animale
EP17707798.9A Withdrawn EP3419539A1 (fr) 2016-02-24 2017-02-23 Procédé cosmétique pour retirer des tatouages de la peau d'un être humain ou d'un animal

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP16157210.2A Withdrawn EP3210556A1 (fr) 2016-02-24 2016-02-24 Procede cosmetique destine a enlever les tatouages de la peau humaine ou animale

Country Status (2)

Country Link
EP (2) EP3210556A1 (fr)
WO (1) WO2017144587A1 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7780656B2 (en) * 2004-12-10 2010-08-24 Reliant Technologies, Inc. Patterned thermal treatment using patterned cryogen spray and irradiation by light
US20070078290A1 (en) * 2005-09-30 2007-04-05 Esenaliev Rinat O Ultrasound-based treatment methods for therapeutic treatment of skin and subcutaneous tissues
RU2366469C2 (ru) 2007-10-02 2009-09-10 Константин Станиславович Авраменко Способ удаления татуировок или шрамов
US8663162B2 (en) * 2011-01-19 2014-03-04 Rejuvatek Medical Inc. Tattoo removal system
AU2014306273B2 (en) * 2013-08-09 2019-07-11 Cytrellis Biosystems, Inc. Methods and apparatuses for skin treatment using non-thermal tissue ablation

Also Published As

Publication number Publication date
WO2017144587A1 (fr) 2017-08-31
EP3210556A1 (fr) 2017-08-30

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