FR2712172A1 - Skin exfoliation device with open circuit - Google Patents

Skin exfoliation device with open circuit Download PDF

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Publication number
FR2712172A1
FR2712172A1 FR9313608A FR9313608A FR2712172A1 FR 2712172 A1 FR2712172 A1 FR 2712172A1 FR 9313608 A FR9313608 A FR 9313608A FR 9313608 A FR9313608 A FR 9313608A FR 2712172 A1 FR2712172 A1 FR 2712172A1
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Prior art keywords
abrasive product
skin
air
pen
diffuser
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Pending
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FR9313608A
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French (fr)
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Rabier Nicolas
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Individual
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Individual
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Priority to FR9313608A priority Critical patent/FR2712172A1/en
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/54—Chiropodists' instruments, e.g. pedicure
    • A61B17/545—Chiropodists' instruments, e.g. pedicure using a stream or spray of abrasive particles
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32—Surgical cutting instruments
    • A61B2017/320004—Surgical cutting instruments abrasive

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

Abstract

The device includes a supply enclosure (25) containing an abrasive substance (A) maintained at atmospheric pressure through a cap (25) while a heating resistor (26) removes humidity. A vibrating mechanism (27,28) removes the substance from the enclosure and transmits it to a doser (4) and a hand held probe via a conduit (5). Atmospheric air is brought into the system via a filter (2) and a conduit (3). The probe includes a connector (14) and a removable pen shaped diffuser (12) with a nozzle (8).

Description

La présente invention concerne en général les appareillages d'abrasion et de microabrasion de la peau humaine, en particulier dans les domaines de la cosmétologie et de la dermatologie en vue du traitement et du gommage des inesthétismes cutanés tels que les cicatrices, les vergetures et les taches.The present invention generally relates to apparatus for abrasion and microabrasion of human skin, in particular in the fields of cosmetology and dermatology with a view to the treatment and exfoliation of cutaneous unsightly conditions such as scars, stretch marks and stains.

Ce genre de traitement est traditionnellement effectué à l'aide d'une petite meule pneumatique ou électrique, bien connue des dermatologues, et plus récemment par des appareils projetant un produit abrasif sur la peau à la manière des sableuses industrielles. Ces appareils dénommés appareils de microabrasion sont de deux types:
Le premier type d'appareils de microabrasion exploitant le brevet européen nO 0 564 392 A2 est caractérisé par l'utilisation de deux circuits indépendants, le premier circuit étant activé par un compresseur qui projette le produit abrasif contre la peau à travers une tête munie d'une entrée et d'une sortie; le deuxième circuit étant activé par une pompe à vide pour récupérer le produit abrasif à la sortie de la tête.This kind of treatment is traditionally carried out using a small pneumatic or electric wheel, well known to dermatologists, and more recently by devices projecting an abrasive product on the skin like industrial sanders. There are two types of devices called microabrasion devices:
The first type of microabrasion apparatus exploiting European patent No. 0 564 392 A2 is characterized by the use of two independent circuits, the first circuit being activated by a compressor which projects the abrasive product against the skin through a head provided with 'an entry and an exit; the second circuit being activated by a vacuum pump to recover the abrasive product at the outlet of the head.

Ce type d'appareil présente un premier inconvénient, celui de l'impossibilité de mettre en phase les deux circuits afin que tout le produit abrasif projeté par le premier circuit soit récupéré par le second et ce pour éviter la propagation hasardeuse du produit abrasif sur les zones qui ne sont pas à traiter. Le deuxième inconvénient étant le risque d'envoyer un jet de produit abrasif à distance de façon involontaire. Le troisième inconvénient étant la très grande agressivité de ce type d'appareils et la longue durée de la cicatrisation que cela provoque.This type of device has a first drawback, that of the impossibility of putting the two circuits in phase so that all of the abrasive product projected by the first circuit is recovered by the second, in order to avoid the hazardous propagation of the abrasive product on the areas that are not to be treated. The second disadvantage is the risk of sending a jet of abrasive product remotely unintentionally. The third drawback being the very aggressive nature of this type of device and the long duration of scarring that this causes.

Le deuxième type d'appareils de microabrasion exploitant le brevet européen n" 0 324 448
B 1 est caractérisé par l'utilisation d'une source de vide et présente l'inconvénient majeur de provoquer, à cause du vide qu'il génère, des oedèmes et des hypervascularisations handicapantes pour les traitements. The second type of microabrasion device using European patent no. 0 324 448
B 1 is characterized by the use of a vacuum source and has the major drawback of causing, because of the vacuum it generates, edemas and disabling hypervascularizations for the treatments.

Cet inconvénient majeur est accentué par l'utilisation d'un circuit fermé provoquant d'une part la réducuon de l'arrivée de l'air lors de son passage dans le récipient d'alimentation lorsque celui-ci est rempli de produit abrasif. Dans ce cas, le traitement se réduit à une succion sous vide de la peau, sans l'abraser, du fait de la très faible quantité de produit abrasif susceptible d'être entraîné par le volume d'air ainsi réduiL D'autre part, cet inconvénient est également accentué lorsque le filtre du récipient de collecte est saturé du fait de son contact direct avec les poussières de produit abrasif. là aussi, le récipient de, collecte se trouvant sous vide, le traitement se réduit à une succion sous vide de la peau, provoquant ainsi des oedèmes et des douleurs.This major drawback is accentuated by the use of a closed circuit causing on the one hand the reduction of the arrival of air during its passage through the supply container when the latter is filled with abrasive product. In this case, the treatment is reduced to vacuum suction of the skin, without abrading it, due to the very small amount of abrasive product capable of being entrained by the volume of air thus reduced. this drawback is also accentuated when the filter of the collection container is saturated due to its direct contact with the abrasive product dust. there too, the collection container being vacuum, the treatment is reduced to vacuum suction of the skin, thus causing edema and pain.

Le dispositif selon l'invention permet de remédier à ces inconvénients. ll comporte en effet, selon une première caractéristique, un seul circuit éliminant ainsi la nécessité de mettre en phase la projection et la récupération du produit abrasif et rendant impossible toute projection à distance. Ce circuit unique est ouvert en permanence à l'atmosphère ambiante ce qui empêche toute formation de vide à n'impose quel stade de l'utilisation.L'accès de l'air est direct, sans soupape de régulation et sans freiner le flux d'air qui ne traverse pas le récipient d'alimentation, le chargement de ce flux en produit abrasif steffectuant dans un doseur extérieur, également ouvert au passage de l'air et alimenté en produit abrasif grâce à un mécanisme de vibration.The device according to the invention overcomes these drawbacks. It has in fact, according to a first characteristic, a single circuit thus eliminating the need to phase the projection and the recovery of the abrasive product and making any projection from a distance impossible. This unique circuit is permanently open to the ambient atmosphere which prevents any formation of vacuum at any stage of use. The air access is direct, without regulating valve and without slowing the flow of air. air which does not pass through the feed container, the loading of this flow with abrasive product effecting in an external metering device, also open to the passage of air and supplied with abrasive product by means of a vibration mechanism.

De là, le flux d'air chargé en produit abrasif circule à l'intérieur de la pièce à main en effleurant la surface de la peau à travers un orifice en contact avec cette dernière, et continue son cheminement vers un sac de récupération qui retient les poussières de produit abrasif et les cellules de peau abrasées, sans entraver le parcours de l'air vers un compresseur.From there, the air flow loaded with abrasive product circulates inside the handpiece by touching the surface of the skin through an orifice in contact with the latter, and continues its path towards a recovery bag which retains abrasive product dust and abraded skin cells, without obstructing the air flow to a compressor.

L'efficacité du système réside dans l'optimalisation du circuit de façon à réaliser en permanence un équilibre entre le volume d'air déplacé, sa charge en produit abrasif et la vitesse à laquelle ce mélange effleure la surface de la peau.The effectiveness of the system lies in optimizing the circuit so as to constantly achieve a balance between the volume of air displaced, its load of abrasive product and the speed at which this mixture touches the surface of the skin.

Selon des modes particuliers de réalisation: - I'air ambiant entrant par l'ouverture (1) est purifié en traversant le filtre bactérien (2), arrive au doseur (4) en parcourant le conduit (3); le produit abrasif (A) se trouvant dans le récipient d'alimentation (24), maintenu à pression atmosphérique grâce au bouchon de mise à pression atmosphérique (25) et déshumidifié grâce à la résistance chauffante (26), est acheminé au doseur (4) grâce au mécanisme de vibration (27 et 28); le flux d'air, se charge de produit abrasif à son passage dans le doseur (4) et continue son parcours à travers le conduit (5), pour atteindre la pièce à main (15).According to particular embodiments: - the ambient air entering through the opening (1) is purified by passing through the bacterial filter (2), arrives at the metering device (4) by traversing the duct (3); the abrasive product (A) located in the feed container (24), maintained at atmospheric pressure thanks to the atmospheric pressure cap (25) and dehumidified thanks to the heating resistance (26), is conveyed to the metering device (4 ) thanks to the vibration mechanism (27 and 28); the air flow is loaded with abrasive product as it passes through the metering device (4) and continues its journey through the duct (5), to reach the handpiece (15).

- la pièce à main (15) est constituée d'un connecteur fixe (14) et d'un stylo diffuseur monobloc amovible (12) muni d'un orifice (8) destiné à mettre en contact le flux d'air chargé de produit abrasif avec la surface de la peau pour en effectuer l'abrasion; le connecteur (14) dispose d'un conduit d'arrivée interne (6) et d'un conduit de retour (10); le stylo diffuseur (12) dispose également d'un conduit d'arrivée (7) et d'un conduit de retour (9); le connecteur (14) et le stylo diffuseur (12) sont munis d'un mécanisme d'emboîtement étanche (13) permettant de mettre en phase les conduits (6 et 7) d'une part et les conduits (9 et 10) d'autre part ; le mécanisme d'emboîtement (13) comportant une butée de sécurité évitant l'inversion des connexions.- The handpiece (15) consists of a fixed connector (14) and a removable monobloc diffuser pen (12) provided with an orifice (8) intended to bring the flow of air loaded with product into contact abrasive with the surface of the skin to effect abrasion; the connector (14) has an internal inlet duct (6) and a return duct (10); the diffuser pen (12) also has an inlet duct (7) and a return duct (9); the connector (14) and the diffuser pen (12) are provided with a sealed interlocking mechanism (13) making it possible to phase the conduits (6 and 7) on the one hand and the conduits (9 and 10) d 'somewhere else ; the interlocking mechanism (13) comprising a safety stop preventing inversion of the connections.

- le flux d'air chargé de produit abrasif traverse les conduits (6 et 7) pour atteindre l'orifice (8) et effleurer la surface de la peau en se chargeant des cellules abrasées puis continue son chemin à travers les conduits (9, 10 et Il), et traverse l'ouverture (16) vers le sac de récupération (17) contenu dans le récipient d'arrivée (18); le flux d'air débarassé des poussières de produit abrasif et des cellules retenues par le sac, continue son chemin vers le compresseur (22) en traversant le filtre de protection (19), le raccord (20) et le conduit (21) pour sortir par l'ouverture (23).- the flow of air loaded with abrasive product crosses the conduits (6 and 7) to reach the orifice (8) and touches the surface of the skin by taking charge of the abraded cells then continues its path through the conduits (9, 10 and II), and passes through the opening (16) towards the recovery bag (17) contained in the arrival container (18); the flow of air, free of abrasive product dust and cells retained by the bag, continues on its way to the compressor (22) passing through the protective filter (19), the fitting (20) and the conduit (21) to exit through the opening (23).

- la fluidité du circuit, le dosage de la charge du flux d'air en produit abrasif, les diamètres des conduits, la configuration monobloc du stylo diffuseur (12), les propriétés du sac de récupération et les caractéristiques du compresseur assurent l'efficacité du dispositif.- the fluidity of the circuit, the dosage of the charge of the air flow in abrasive product, the diameters of the conduits, the monobloc configuration of the diffusing pen (12), the properties of the recovery bag and the characteristics of the compressor ensure efficiency of the device.

- selon une variante non illustrée, le récipient d'alimentation (24), étant indépendant du doseur (4), peut être remplacé par des cartouches d'alimentation jetables ; à titre d'exemple non limitatif, la cartouche pourra venir se connecter au doseur (4), la résistance chauffante (26) pouvant être remplacée par un mécanisme chauffant extérieur à la cartouche.- According to a variant not illustrated, the supply container (24), being independent of the dispenser (4), can be replaced by disposable supply cartridges; by way of nonlimiting example, the cartridge can be connected to the metering device (4), the heating resistor (26) being able to be replaced by a heating mechanism external to the cartridge.

- selon une variante non illustrée, I'ensemble des conduits, doseur et pièce à main peut être jetable; à titre d'exemple non limitatif, l'ensemble jetable pourra venir se connecter au filtre bactérien (2), au doseur (4) et au récipient d'arrivée (18). - According to a variant not illustrated, all of the conduits, metering device and handpiece can be disposable; by way of nonlimiting example, the disposable assembly can be connected to the bacterial filter (2), to the metering device (4) and to the inlet container (18).

Claims (8)

REVENDICATIONS 1) Dispositif destiné à effectuer une abrasion de la peau hurnaine au moyen d'un flux d'air chargé d'un produit abrasif (A) contenu dans un récipient d'alimentation (24), ce mélange étant entraîné pour effleurer la surface de la peau en circulant à l'intérieur d'une pièce à main (15) pourvue d'un orifice (8) en contact avec la peau et aussitôt collecté dans un sac de récupération (17) perméable à l'air, caractérisé en ce que, dans un seul circuit en permanence ouvert, le flux d'air chargé de produit abrasif est entraîné vers la surface de la peau par une aspiration continue sans jamais engendrer le vide ou s'en approcher. 1) Device intended to carry out an abrasion of the dark skin by means of a flow of air charged with an abrasive product (A) contained in a supply container (24), this mixture being entrained to graze the surface of the skin circulating inside a handpiece (15) provided with an orifice (8) in contact with the skin and immediately collected in a recovery bag (17) permeable to air, characterized in that that, in a single permanently open circuit, the flow of air loaded with abrasive product is drawn towards the surface of the skin by a continuous suction without ever generating the vacuum or approaching it. 2) Dispositif selon la revendication 1 caractérisé en ce que, même en positionnant l'orifice (8) du stylo diffuseur (12) contre la peau, le circuit du flux d'air reste en permanence ouvert sans engendrer le vide ou s'en approcher. 2) Device according to claim 1 characterized in that, even by positioning the orifice (8) of the diffuser pen (12) against the skin, the air flow circuit remains permanently open without generating vacuum or approach. 3) Dispositif selon la revendication 1 caractérisé en ce que le flux d'air ne traverse pas le produit abrasif (A) contenu dans le récipient d'alimentation (24). 3) Device according to claim 1 characterized in that the air flow does not pass through the abrasive product (A) contained in the supply container (24). 4) Dispositif selon la revendication 1 caractérisé en ce que le doseur (4) est extérieur au récipient d'alimentation (24) et reste ouvert au circuit du flux d'air sans soupape et sans valve de régulation. 4) Device according to claim 1 characterized in that the metering device (4) is external to the supply container (24) and remains open to the air flow circuit without valve and without regulating valve. 5) Dispositif selon les revendications 1 et 4 caractérisé en ce que le doseur (4) est muni d'un mécanisme de connexion permettant l'utilisation de cartouches de produit abrasif jetables. 5) Device according to claims 1 and 4 characterized in that the dispenser (4) is provided with a connection mechanism allowing the use of disposable abrasive product cartridges. 6) Dispositif selon la revendication 1 caractérisé en ce que le mécanisme d'emboîtement (13) du stylo diffuseur monobloc(l2) sur le connecteur fixe (14) empêche toutrisque d'inversion des connexions grâce à une butée de sécurité et garantit l'étanchéité du circuit du flux d'air chargé en produit abrasif sans qu'il soit nécessaire d'équiper le stylo diffuseur monobloc (12) de joints d'étanchéité. 6) Device according to claim 1 characterized in that the interlocking mechanism (13) of the one-piece diffuser pen (l2) on the fixed connector (14) prevents any risk of inversion of the connections thanks to a safety stop and guarantees the sealing of the air flow circuit loaded with abrasive product without the need to equip the monobloc diffuser pen (12) with seals. 7) Dispositif selon les revendications 1 et 6 caractérisé en ce que le stylo diffuseur monobloc (12) comprenant l'orifice (8) et les conduits (7 et 9) est entiement stérilisable. 7) Device according to claims 1 and 6 characterized in that the one-piece diffuser pen (12) comprising the orifice (8) and the conduits (7 and 9) is fully sterilizable. 8) Dispositif selon la revendication 1 caractérisé en ce que le mécanisme de vibration (27 et 28) permet une alimentation continue du doseur (4) en produit abrasif.  8) Device according to claim 1 characterized in that the vibration mechanism (27 and 28) allows a continuous supply of the metering device (4) in abrasive product.
FR9313608A 1993-11-09 1993-11-09 Skin exfoliation device with open circuit Pending FR2712172A1 (en)

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Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997000050A2 (en) * 1995-06-16 1997-01-03 Moreno Naldoni Apparatus for microdermabrasion by means of a jet of a mixture of air/reducing substances and relating handle
EP0806184A1 (en) * 1996-05-10 1997-11-12 Mattioli Engineering S.r.l. Dermabrasion apparatus having disposable sterilized components
WO2000049953A1 (en) * 1999-02-23 2000-08-31 Parkin Roger C Skin abrasion device
US6432113B1 (en) 1999-02-23 2002-08-13 Roger C. Parkin Skin abrasion device
GB2373443A (en) * 2001-01-26 2002-09-25 Antonio Fulvio Ferrari Apparatus for removing surface portions of human tissue
EP1309276A1 (en) * 1999-10-20 2003-05-14 Ronald Allan Greenberg An apparatus for variable micro abrasion of human tissue and/or hides using different size and types of abrasive particles
US7070488B2 (en) 2002-10-21 2006-07-04 Bionoface Micro-abrasion device
US10172644B2 (en) 2006-03-29 2019-01-08 Edge Systems Llc Devices, systems and methods for treating the skin
US10179229B2 (en) 2014-12-23 2019-01-15 Edge Systems Llc Devices and methods for treating the skin using a porous member
US10238812B2 (en) 2013-03-15 2019-03-26 Edge Systems Llc Skin treatment systems and methods using needles
US10251675B2 (en) 2006-03-29 2019-04-09 Edge Systems Llc Devices, systems and methods for treating the skin
US10357642B2 (en) 2005-12-30 2019-07-23 Edge Systems Llc Removable tips for use with skin treatment systems
US10556097B2 (en) 2008-01-29 2020-02-11 Edge Systems Llc Devices for treating skin using treatment materials located along a tip
US10556096B2 (en) 2008-01-04 2020-02-11 Edge Systems Llc Devices and methods for skin treatment
US10993743B2 (en) 2013-03-15 2021-05-04 Edge Systems Llc Devices, systems and methods for treating the skin
US11020577B2 (en) 2008-01-29 2021-06-01 Edge Systems Llc Devices and systems for treating skin surfaces
US11241357B2 (en) 2015-07-08 2022-02-08 Edge Systems Llc Devices, systems and methods for promoting hair growth
US11744999B2 (en) 2014-12-23 2023-09-05 Hydra Facial LLC Devices and methods for treating the skin
USD1016615S1 (en) 2021-09-10 2024-03-05 Hydrafacial Llc Container for a skin treatment device

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EP0294548A1 (en) * 1987-04-21 1988-12-14 Dentsply International, Inc. Single multi-function handpiece for dental instruments
EP0324448A1 (en) * 1988-01-11 1989-07-19 L.I.C.A. di ROSSO & C. S.n.c. Apparatus for making micro-abrasions on human tissue
EP0421942A1 (en) * 1989-10-06 1991-04-10 CASTELLINI S.p.A. An instrument for cleaning the surfaces ot teeth
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Cited By (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997000050A2 (en) * 1995-06-16 1997-01-03 Moreno Naldoni Apparatus for microdermabrasion by means of a jet of a mixture of air/reducing substances and relating handle
WO1997000050A3 (en) * 1995-06-16 1997-03-13 Moreno Naldoni Apparatus for microdermabrasion by means of a jet of a mixture of air/reducing substances and relating handle
EP0806184A1 (en) * 1996-05-10 1997-11-12 Mattioli Engineering S.r.l. Dermabrasion apparatus having disposable sterilized components
US6149634A (en) * 1996-05-10 2000-11-21 Mattioli Engineering Ltd. Collecting bottle for dermabrasion treatment
WO2000049953A1 (en) * 1999-02-23 2000-08-31 Parkin Roger C Skin abrasion device
US6235039B1 (en) 1999-02-23 2001-05-22 Roger C. Parkin Skin abrasion device
US6432113B1 (en) 1999-02-23 2002-08-13 Roger C. Parkin Skin abrasion device
EP1309276A1 (en) * 1999-10-20 2003-05-14 Ronald Allan Greenberg An apparatus for variable micro abrasion of human tissue and/or hides using different size and types of abrasive particles
EP1309276A4 (en) * 1999-10-20 2006-02-15 Ronald Allan Greenberg An apparatus for variable micro abrasion of human tissue and/or hides using different size and types of abrasive particles
GB2373443A (en) * 2001-01-26 2002-09-25 Antonio Fulvio Ferrari Apparatus for removing surface portions of human tissue
US7070488B2 (en) 2002-10-21 2006-07-04 Bionoface Micro-abrasion device
US7241208B2 (en) 2002-10-21 2007-07-10 Bionoface Micro-abrasion device
US11865287B2 (en) 2005-12-30 2024-01-09 Hydrafacial Llc Devices and methods for treating skin
US10357642B2 (en) 2005-12-30 2019-07-23 Edge Systems Llc Removable tips for use with skin treatment systems
US10357641B2 (en) 2005-12-30 2019-07-23 Edge Systems Llc Tips for skin treatment device
US11446477B2 (en) 2005-12-30 2022-09-20 Hydrafacial Llc Devices and methods for treating skin
US11612726B2 (en) 2005-12-30 2023-03-28 Hydrafacial Llc Devices and methods for treating skin
US11547840B2 (en) 2005-12-30 2023-01-10 Hydrafacial Llc Devices and methods for treating skin
US10172644B2 (en) 2006-03-29 2019-01-08 Edge Systems Llc Devices, systems and methods for treating the skin
US10251675B2 (en) 2006-03-29 2019-04-09 Edge Systems Llc Devices, systems and methods for treating the skin
US11717326B2 (en) 2006-03-29 2023-08-08 Hydrafacial Llc Devices, systems and methods for treating the skin
US11883621B2 (en) 2008-01-04 2024-01-30 Hydrafacial Llc Devices and methods for skin treatment
US10556096B2 (en) 2008-01-04 2020-02-11 Edge Systems Llc Devices and methods for skin treatment
US10556097B2 (en) 2008-01-29 2020-02-11 Edge Systems Llc Devices for treating skin using treatment materials located along a tip
US11020577B2 (en) 2008-01-29 2021-06-01 Edge Systems Llc Devices and systems for treating skin surfaces
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