WO1999009928A1 - Physiotherapeutic device for treating the skin by suction under vacuum and ultrasound - Google Patents

Physiotherapeutic device for treating the skin by suction under vacuum and ultrasound Download PDF

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Publication number
WO1999009928A1
WO1999009928A1 PCT/FR1998/001844 FR9801844W WO9909928A1 WO 1999009928 A1 WO1999009928 A1 WO 1999009928A1 FR 9801844 W FR9801844 W FR 9801844W WO 9909928 A1 WO9909928 A1 WO 9909928A1
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WO
WIPO (PCT)
Prior art keywords
skin
ultrasonic
phase
ultrasound
field
Prior art date
Application number
PCT/FR1998/001844
Other languages
French (fr)
Inventor
Juliette Dubois
Original Assignee
Ermedica
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 Ermedica filed Critical Ermedica
Priority to EP98942777A priority Critical patent/EP1009353A1/en
Priority to CA002294822A priority patent/CA2294822A1/en
Publication of WO1999009928A1 publication Critical patent/WO1999009928A1/en

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H9/00—Pneumatic or hydraulic massage
    • A61H9/005—Pneumatic massage
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H23/00—Percussion or vibration massage, e.g. using supersonic vibration; Suction-vibration massage; Massage with moving diaphragms
    • A61H23/02—Percussion or vibration massage, e.g. using supersonic vibration; Suction-vibration massage; Massage with moving diaphragms with electric or magnetic drive
    • A61H23/0245—Percussion or vibration massage, e.g. using supersonic vibration; Suction-vibration massage; Massage with moving diaphragms with electric or magnetic drive with ultrasonic transducers, e.g. piezoelectric
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/30—Surgical pincettes without pivotal connections
    • A61B2017/306—Surgical pincettes without pivotal connections holding by means of suction
    • A61B2017/308—Surgical pincettes without pivotal connections holding by means of suction with suction cups

Definitions

  • Physiotherapeutic device for the treatment of the skin by vacuum suction and ultrasound
  • the present invention relates, as a new industrial product, to a physiotherapeutic device for the treatment of the skin in its thickness by vacuum suction and an ultrasound field.
  • ultrasound has already been used in the past for diagnostic purposes (ultrasound) and therapeutic purposes (ultrasound therapy) for the treatment of symptomatic affections of organs or soft tissues (in particular muscles, tendons and ligaments).
  • ultrasound is currently used to treat inflammation and / or improve blood circulation in the vessels, on the one hand, or to fragment urinary stones, on the other hand.
  • a physiotherapeutic device is recommended for the treatment of the skin in its thickness (at the level of the epidermis, the dermis and the hypodermis, and essentially at the level of the epidermis and the dermis), said device being characterized in that it comprises:
  • (B) at least one vacuum vacuum suction means used to dilate the layers (epidermis, dermis and, if appropriate, hypodermis) of a portion of skin (P) to be treated, said means of points (A) and (B) being arranged in such a way that, in operation, the portion of skin (P) to be treated is subjected to one or more cycles each comprising a vacuum suction phase and a phase of exposure to the ultrasound field , said vacuum suction phase and exposure phase to the ultrasonic field overlapping at least partially during the duration of each cycle.
  • Figures 3a - 3c show unit cycles of use according to the invention, and Figure 3d illustrates a unit cycle not suitable.
  • FIG. 4 shows in perspective a variant of the device according to the invention. Detailed description of the invention
  • the means providing an ultrasonic field is an ultrasonic head in ultrasonic connection with the skin and supplied by an ultrasonic generator on the one hand
  • the suction means by vacuum depression for expanding the layers located in the thickness of a portion of skin (P) to be treated is preferably a suction cup consisting of a bell having (i) an opening intended to come into contact, via its peripheral rim, with the external surface of the skin portion (P) to be treated, in operation the entire bell / rim / external surface delimiting a closed container, (ii) a window for connecting the closed chamber to a vacuum pump through a substantially non-deformable pipe.
  • the means providing an ultrasonic field consists of the closed enclosure made of an ultrasound conducting material.
  • the lower part of the closed enclosure comprises a flexible deformable part intended to come into contact with the external surface of the skin.
  • this flexible deformable part can follow the reliefs of the skin and the device according to the invention can adapt to any type of surface of the body.
  • this configuration of the lower part of the closed enclosure makes it possible to orient the device according to the invention if necessary to treat even the skin of difficultly accessible areas of the body.
  • the edge of the lower end of the closed enclosure intended to come into contact with the external surface of the skin is wide so as not to injure the skin in the operating phase of the device when the closed enclosure then vigorously applies against the external surface of the skin and that the latter is in particular under vacuum.
  • the device may further comprise at least one heating means capable of being coupled to the means providing the field of ultrasound.
  • This heating means may be indeed useful to improve the expansion of the skin portion which is formed by the vacuum suction.
  • the device according to the invention may further comprise at least one refrigerating means capable of being coupled to the means providing the ultrasonic field.
  • This cooling medium is advantageous in the sense that it limits the pain induced by the dilation of the portion of skin during vacuum suction.
  • the vacuum suction will be carried out so as to have in the closed enclosure a pressure less than ambient atmospheric pressure, preferably a pressure between 10 and 10 " Pa, and better still a pressure between 10 ' and 1 Pa.
  • the ultrasonic field will have a frequency between 20 kHz and 100 MHz, preferably a frequency between 500 kHz and 50 MHz, and better still a frequency between 1 and 30 MHz.
  • the device of the invention has practically no action, during its operation on the elimination of internal fats, in particular the fats of the hypodermis. It has surprisingly been discovered that exposure to the ultrasonic field protects the portion of skin treated from the undesirable effects of vacuum suction. In particular, in order to benefit as much as possible from the protective effect of the ultrasonic field, it is recommended that said phase of exposure to the ultrasonic field always begins before the vacuum suction phase within each unit cycle.
  • the vacuum suction phase will be performed during the exposure phase to the ultrasound field, and more preferably the duration of the phase of vacuum suction will be less than the exposure phase ultrasound field.
  • the treatment of the skin, to compensate for the insufficiencies of the connective tissue, by means of the device of the invention comprises a plurality of unit cycles, in general at least 10 unit cycles.
  • the shortcomings of the connective tissue which is treated, according to the invention include:
  • the device 1 comprises a means 10 providing an ultrasonic field (FIG. 1).
  • This means consists of an ultrasonic head 10, supplied by an ultrasonic generator 11, placed facing the skin and housed in a sealed manner in the vacuum suction means 20 via the opening 24 where it is set ( Figure 2).
  • an ultrasound conducting gel 40 represented in FIG. 1 is applied to the external surface 3 1 of the skin 30 to be treated at least at the level where the ultrasound head 10 will be positioned.
  • This gel is intended to serve as an ultrasonic connection between the ultrasonic head 10 and the skin 30 for conducting the ultrasound, playing the role of an interface.
  • Said vacuum suction means 20 is advantageously a suction cup constituted by a bell whose large opening 21 is intended to be closed by the external surface 3 1 of the portion (P) of the skin 30, along the peripheral rim 22 of the bell.
  • Said bell further comprises an opening 23 to allow the closed enclosure 2 to be connected, which it forms during operation, with a vacuum pump not shown.
  • the connection of the opening 23 to said pump is advantageously a sufficiently rigid conduit so as not to be deformed under the effect of the vacuum; in practice said conduit may be housed at least partially in the handle 25 of the ultrasonic generator 1 1.
  • the ultrasonic generator 1 1 is supplied with electric current by conductors arranged in a sheath 12 housed at least partially in said handle 25 .
  • the bell has a wall which is transparent over at least a portion of its surface. More advantageously the bell will be completely transparent. It will be designed in glass or better in transparent plastic, in particular in polycarbonate.
  • the edge of the lower end of the closed enclosure 2 intended to come into contact with the external surface 31 of the skin 30 is preferably sufficiently wide so that the force exerted by said edge of the closed enclosure 2 on said surface external surface 3 1 is distributed over a relatively large surface so as not to cut or mark said external surface 31.
  • the lower part of the closed enclosure 2 advantageously comprises a flexible deformable part 35 which adapts to the reliefs of the external surface 31 of the skin 30. This flexible deformable part 35 can be formed by a succession of circular rubber bellows. Note in FIG.
  • the assembly constituted by the handle 25, the generator 11 and the closed enclosure 2 can be slightly inclined relative to the direction normal to the skin thanks to the flexibility of the part 35. It is possible to thus maintaining this inclination during the operation of the device according to the invention so as not to disturb the patient by contact with said assembly. Also during the fitting of the device according to the invention against the patient's skin, the angle of approach can even be made according to the normal to the skin or from another angle. Even in an angle of approach different from normal to the skin, said part 35 will adapt to the external surface 31 of the skin 30 by acting on the spacing of the bellows and the flexibility of said part 35.
  • the controls relating to the formation of the ultrasonic field and the vacuum aspiration can be advantageously located near the ultrasonic generator, as represented by the reference numeral 12 in FIG. 1.
  • the ultrasonic generator as represented by the reference numeral 12 in FIG. 1.
  • T Ao represents the start of the phase of exposure to the ultrasonic field
  • - time T Ro represents the start of expansion to return to atmospheric pressure
  • - time T Rt represents the end of the expansion phase and corresponds to the start of the new cycle starting with the exposure phase (time T Ao ') to the ultrasound field.
  • the unit cycles which are suitable according to the invention are those of FIGS. 3a, 3b and 3c, where the vacuum suction phase and the phase of exposure to the ultrasound field are at least partially superimposed (see figure 3a). It is important that the exposure phase to the ultrasound field precedes the vacuum suction phase.
  • the vacuum suction phase 1 will have a duration identical to that of the phase of exposure to the ultrasound field and 2 will start at the same time as this (see FIG. 3 c), and better said phase. vacuum suction will be included in the duration of said phase of exposure to the ultrasonic field (see Figure 3b).
  • the transmission of ultrasound to the skin 30 can be done by direct ultrasonic connection between the ultrasonic head 10 directly in contact with the external surface 31 of said skin 30, without using a conductive gel 40, said ultrasonic head 10 arriving at approximately the same level as the edge of the closed enclosure 2.
  • the ultrasonic connection for the transmission of ultrasound between the ultrasonic generator 1 1 and the external surface 3 1 of the skin 30 can be done by means of the bell 2 constituted in this case at least on a part of the bell 2 extending between said ultrasonic generator 1 1 and the lower edge of said bell 2 of an ultrasonic conducting material of the rigid plastic type for example.
  • the ultrasonic head 10 is therefore constituted by said part of the bell 2 in contact with the skin, this part possibly being the entire bell 2 if the latter is made of a material conducting the ultrasound such as in figure 4.
  • the ultrasonic head 10 can be mounted outside and on the periphery of the bell 2.
  • the device according to the invention can be used both in a fixed position pressed against a part of the external surface of the portion (P) of the skin to be treated but also in translational movement on the skin to treat another portion of skin and / or to obtain a massage in parallel with the patient by a rolling / palpating effect skin.

Abstract

The invention concerns a physiotherapeutic device (1) for treating the skin (30) in its thickness, said device being characterised in that it comprises: (A) at least means (10) supplying an ultrasound field, and (B) at least means (20) sucking by depression under vacuum for dilating the layers (epidermis, dermis and, if required, hypodermis) of a skin (P) portion to be treated., said means (A) and (B) being arranged such that, during treatment, the skin portion (P) to be treated is subjected to several cycles each comprising a suction under vacuum phase and a phase of exposure to the ultrasound field, said phases of suction under vacuum and of exposure to the ultrasound field being at least partially superposed during each cycle.

Description

Dispositif physiothérapeutique pour le traitement de la peau par aspiration sous vide et ultrason Physiotherapeutic device for the treatment of the skin by vacuum suction and ultrasound
Domaine de l'inventionField of the invention
La présente invention a trait, en tant que produit industriel nouveau, à un dispositif physiothérapeutique pour le traitement de la peau dans son épaisseur par aspiration sous vide et un champ d'ultrasons. Art antérieur On sait que l'on a déjà utilisé dans le passé des ultrasons dans un but diagnostic (échographie) et un but thérapeutique (ultrasonothérapie) pour le traitement des affections symptomatiques des organes ou tissus mous (notamment les muscles, tendons et ligaments). En particulier les ultrasons sont utilisés actuellement pour traiter les inflammations et/ou améliorer la circulation sanguine au niveau des vaisseaux, d'une part, ou pour fragmenter les calculs urinaires, d'autre part.The present invention relates, as a new industrial product, to a physiotherapeutic device for the treatment of the skin in its thickness by vacuum suction and an ultrasound field. PRIOR ART We know that ultrasound has already been used in the past for diagnostic purposes (ultrasound) and therapeutic purposes (ultrasound therapy) for the treatment of symptomatic affections of organs or soft tissues (in particular muscles, tendons and ligaments). . In particular, ultrasound is currently used to treat inflammation and / or improve blood circulation in the vessels, on the one hand, or to fragment urinary stones, on the other hand.
On sait par ailleurs que les ventouses sèches ou scarifiées (i.e. les ventouses autres que les ventouses obstétricales destinées à faciliter l'extraction des enfants lors d'accouchements difficiles) ont été utilisées jusqu'en 1950 pour provoquer un afflux local de sang en vue d'assurer ou produire une décongestion localisée. Il se trouve que les ventouses sèches ou scarifiées présentent plusieurs inconvénients. On connaît l'inconvénient esthétique et psychologique de rougeurs persistantes sur les portions de peau traitées. On connaît également l'inconvénient physiologique qui résulte de l'éclatement possible des vaisseaux sanguins, ce qui est une source potentielle de formation de caillots de fibrine sous-cutanés. De plus, les ventouses sèches et scarifiées ne peuvent pas être utilisées sur toutes les portions de peau. On connaît enfin une technique selon laquelle on procède à une liposuccion des graisses par une canule aspirante sous-cutanée et soumet le champ opératoire à l'action des ultrasons. But de l'inventionIt is also known as dry or cupping (ie cupping other than vacuum extractors to facilitate the extraction of children during difficult births) were used until 1950 to cause a local blood flow in order to '' ensure or produce localized decongestion. It turns out that dry or scarified suction cups have several drawbacks. We know the aesthetic and psychological disadvantage of persistent redness on the treated skin portions. We also know the physiological disadvantage which results from the possible bursting of blood vessels, which is a potential source of formation of subcutaneous fibrin clots. In addition, dry and scarified suction cups cannot be used on all skin portions. Finally, a technique is known according to which fat liposuction is carried out by a subcutaneous suction cannula and subjects the operating field to the action of ultrasound. Purpose of the invention
Il serait intéressant de fournir une nouvelle solution technique permettant de combiner les avantages des ventouses et des ultrasons et de résoudre le problème lié aux inconvénients précités des ventouses. Selon un autre aspect de l'invention, il existe un besoin pour le traitement de la peau, et notamment le traitement de son tissu conjonctif, qu'il convient de satisfaire. Objet de l'invention On se propose de fournir selon l'invention une nouvelle solution pour pallier au problème technique de la combinaison des avantages des ventouses et des ultrasons sans les inconvénients précités.It would be interesting to provide a new technical solution making it possible to combine the advantages of suction cups and ultrasound and to solve the problem linked to the aforementioned drawbacks of suction cups. According to another aspect of the invention, there is a need for the treatment of the skin, and in particular the treatment of its connective tissue, which must be satisfied. OBJECT OF THE INVENTION It is proposed to provide according to the invention a new solution to overcome the technical problem of combining the advantages of suction cups and ultrasound without the aforementioned drawbacks.
Suivant cette nouvelle solution, l'on préconise un dispositif physiothérapeutique pour le traitement de la peau dans son épaisseur (au niveau de l'épiderme, du derme et de l'hypoderme, et essentiellement au niveau de l'épiderme et du derme), ledit dispositif étant caractérisé en ce qu'il comprend :According to this new solution, a physiotherapeutic device is recommended for the treatment of the skin in its thickness (at the level of the epidermis, the dermis and the hypodermis, and essentially at the level of the epidermis and the dermis), said device being characterized in that it comprises:
(A) au moins un moyen fournissant un champ d'ultrasons, et(A) at least one means providing an ultrasonic field, and
(B) au moins un moyen d'aspiration par dépression sous vide servant à dilater les couches (épiderme, derme et, le cas échéant, hypoderme) d'une portion de peau (P) à traiter, lesdits moyens des points (A) et (B) étant agencés de telle façon que, en fonctionnement, la portion de peau (P) à traiter soit soumise à un ou plusieurs cycles comprenant chacun une phase d'aspiration sous vide et une phase d'exposition au champ d'ultrasons, lesdites phase d'aspiration sous vide et phase d'exposition au champ d'ultrasons se superposant au moins partiellement pendant la durée de chaque cycle. Brève description des dessins(B) at least one vacuum vacuum suction means used to dilate the layers (epidermis, dermis and, if appropriate, hypodermis) of a portion of skin (P) to be treated, said means of points (A) and (B) being arranged in such a way that, in operation, the portion of skin (P) to be treated is subjected to one or more cycles each comprising a vacuum suction phase and a phase of exposure to the ultrasound field , said vacuum suction phase and exposure phase to the ultrasonic field overlapping at least partially during the duration of each cycle. Brief description of the drawings
Dans les dessins annexés, - la figure 1 représente schématiquement l'ensemble du dispositif conforme à l'invention ;In the accompanying drawings, - Figure 1 shows schematically the entire device according to the invention;
- la figure 2 représente schématiquement le moyen d'aspiration sous vide de l'invention ;- Figure 2 schematically shows the vacuum suction means of the invention;
- les figures 3a - 3c représentent des cycles unitaires d'utilisation selon l'invention, et la figure 3d illustre un cycle unitaire ne convenant pas.- Figures 3a - 3c show unit cycles of use according to the invention, and Figure 3d illustrates a unit cycle not suitable.
- La figure 4 représente en perspective une variante du dispositif conforme à l'invention. Description détaillée de l'invention- Figure 4 shows in perspective a variant of the device according to the invention. Detailed description of the invention
De façon pratique, le moyen fournissant un champ d'ultrasons est une tête à ultrasons en liaison ultrasonique avec la peau et alimentée par un générateur d'ultrasons, d'une part, et le moyen d'aspiration par dépression sous vide servant à dilater les couches situées dans l'épaisseur d'une portion de peau (P) à traiter est de préférence une ventouse constituée d'une cloche ayant (i) une ouverture destinée à venir en contact, par l'intermédiaire de son rebord périphérique, avec la surface externe de la portion de peau (P) à traiter, en fonctionnement l'ensemble cloche/rebord/surface externe délimitant une enceinte close, (ii) une fenêtre destinée à relier l'enceinte close à une pompe à vide par le biais d'une canalisation essentiellement indéformable.Conveniently, the means providing an ultrasonic field is an ultrasonic head in ultrasonic connection with the skin and supplied by an ultrasonic generator on the one hand, and the suction means by vacuum depression for expanding the layers located in the thickness of a portion of skin (P) to be treated is preferably a suction cup consisting of a bell having (i) an opening intended to come into contact, via its peripheral rim, with the external surface of the skin portion (P) to be treated, in operation the entire bell / rim / external surface delimiting a closed container, (ii) a window for connecting the closed chamber to a vacuum pump through a substantially non-deformable pipe.
Selon un autre mode de réalisation, le moyen fournissant un champ d'ultrasons est constituée par l'enceinte close réalisée dans un matériau conducteur des ultrasons.According to another embodiment, the means providing an ultrasonic field consists of the closed enclosure made of an ultrasound conducting material.
Selon un autre mode de réalisation, la partie inférieure de l'enceinte close comporte une partie déformable souple destinée à entrer en contact avec la surface externe de la peau. Ainsi, cette partie déformable souple peut épouser les reliefs de la peau et le dispositif selon l'invention peut s'adapter à n'importe quelle type de surface du corps. D'autre part, cette configuration de la partie inférieure de l'enceinte close permet d'orienter éventuellement le dispositif selon l'invention pour traiter même la peau des zones corporelles difficilement accessibles.According to another embodiment, the lower part of the closed enclosure comprises a flexible deformable part intended to come into contact with the external surface of the skin. Thus, this flexible deformable part can follow the reliefs of the skin and the device according to the invention can adapt to any type of surface of the body. On the other hand, this configuration of the lower part of the closed enclosure makes it possible to orient the device according to the invention if necessary to treat even the skin of difficultly accessible areas of the body.
Selon un autre mode de réalisation, le bord de l'extrémité inférieure de l'enceinte close destiné à entrer en contact avec la surface externe de la peau est large pour ne pas blesser la peau en phase de fonctionnement du dispositif lorsque l'enceinte close s'applique alors vigoureusement contre la surface externe de la peau et que celle-ci est en particulier sous vide.According to another embodiment, the edge of the lower end of the closed enclosure intended to come into contact with the external surface of the skin is wide so as not to injure the skin in the operating phase of the device when the closed enclosure then vigorously applies against the external surface of the skin and that the latter is in particular under vacuum.
Selon un mode particulier de mise en œuvre de l'invention, le dispositif peut comporter en outre au moins un moyen chauffant susceptible d'être couplé au moyen fournissant le champ d'ultrasons.According to a particular embodiment of the invention, the device may further comprise at least one heating means capable of being coupled to the means providing the field of ultrasound.
Ce moyen chauffant peut être en effet utile pour compléter la dilatation de la portion de peau qui est réalisée par l'aspiration sous vide.This heating means may be indeed useful to improve the expansion of the skin portion which is formed by the vacuum suction.
Selon un autre mode particulier de mise en œuvre, le dispositif suivant l'invention peut comporter en outre au moins un moyen réfrigérant susceptible d'être couplé au moyen fournissant le champ d'ultrasons. Ce moyen réfrigérant est intéressant dans le sens qu'il limite la douleur induite par la dilatation de la portion de peau lors de l'aspiration sous vide.According to another particular mode of implementation, the device according to the invention may further comprise at least one refrigerating means capable of being coupled to the means providing the ultrasonic field. This cooling medium is advantageous in the sense that it limits the pain induced by the dilation of the portion of skin during vacuum suction.
En pratique, l'aspiration sous vide sera effectuée de façon à avoir dans l'enceinte close une pression inférieure à la pression atmosphérique ambiante, de préférence une pression comprise entre 10 et 10" Pa, et mieux une pression comprise entre 10' et 1 Pa.In practice, the vacuum suction will be carried out so as to have in the closed enclosure a pressure less than ambient atmospheric pressure, preferably a pressure between 10 and 10 " Pa, and better still a pressure between 10 ' and 1 Pa.
Egalement en pratique, le champ d'ultrasons aura une fréquence comprise entre 20 kHz et 100 MHz, de préférence une fréquence comprise entre 500 kHz et 50 MHz, et mieux une fréquence comprise entre 1 et 30 MHz.Also in practice, the ultrasonic field will have a frequency between 20 kHz and 100 MHz, preferably a frequency between 500 kHz and 50 MHz, and better still a frequency between 1 and 30 MHz.
Le dispositif de l'invention n'a pratiquement aucune action, lors de son fonctionnement sur l'élimination des graisses internes, notamment les graisses de l'hypoderme. On a découvert de façon surprenante que l'exposition au champ d'ultrasons protège la portion de peau traitée vis-à-vis des effets indésirables de l'aspiration sous vide. On recommande en particulier, pour bénéficier au maximum de l'effet protecteur du champ d'ultrasons, que ladite phase d'exposition au champ d'ultrasons débute toujours avant la phase d'aspiration sous vide à l'intérieur de chaque cycle unitaire.The device of the invention has practically no action, during its operation on the elimination of internal fats, in particular the fats of the hypodermis. It has surprisingly been discovered that exposure to the ultrasonic field protects the portion of skin treated from the undesirable effects of vacuum suction. In particular, in order to benefit as much as possible from the protective effect of the ultrasonic field, it is recommended that said phase of exposure to the ultrasonic field always begins before the vacuum suction phase within each unit cycle.
C'est pourquoi on recommande ce qui suit. Au cours de chaque cycle, la phase d'aspiration sous vide sera réalisée pendant la phase d'exposition au champ d'ultrasons, et mieux la durée de la phase d'aspiration sous vide sera inférieure à celle de la phase d'exposition au champ d'ultrasons.This is why we recommend the following. During each cycle, the vacuum suction phase will be performed during the exposure phase to the ultrasound field, and more preferably the duration of the phase of vacuum suction will be less than the exposure phase ultrasound field.
Le traitement de la peau, pour pallier aux insuffisances du tissu conjonctif, au moyen du dispositif de l'invention comporte une pluralité de cycles unitaires, en général au moins 10 cycles unitaires.The treatment of the skin, to compensate for the insufficiencies of the connective tissue, by means of the device of the invention comprises a plurality of unit cycles, in general at least 10 unit cycles.
Les insuffisances du tissu conjonctif que l'on traite, selon l'invention, comprennent notamment :The shortcomings of the connective tissue which is treated, according to the invention, include:
- la régénération dudit tissu au cours de la phase de cicatrisation qui suit une blessure interne ou externe, etthe regeneration of said tissue during the healing phase which follows an internal or external injury, and
- l'absence d'élasticité dudit tissu, du fait d'un faible apport enzymatique (catalase) notamment au niveau de l'hypoderme et du derme par le sang. D'autres avantages et caractéristiques de l'invention seront mieux compris à la lecture qui va suivre de la description d'exemples de réalisation en liaison avec les dessins annexés.- the absence of elasticity of said tissue, due to a low enzymatic supply (catalase) in particular at the level of the hypodermis and the dermis by the blood. Other advantages and characteristics of the invention will be better understood on reading the following description of the examples of embodiments in conjunction with the accompanying drawings.
Le dispositif 1 suivant l'invention comprend un moyen 10 fournissant un champ d'ultrasons (figure 1). Ce moyen est constitué par une tête à ultrasons 10, alimentée par un générateur d'ultrasons 1 1, disposée en regard de la peau et logée de façon étanche dans le moyen 20 d'aspiration sous vide par l'intermédiaire de l'ouverture 24 où elle est sertie (figure 2). De préférence, un gel 40 conducteur des ultrasons représenté en figure 1 est appliqué sur la surface externe 3 1 de la peau 30 à traiter au moins au niveau où sera positionnée la tête à ultrasons 10. Ce gel est destiné à servir de liaison ultrasonique entre la tête à ultrasons 10 et la peau 30 pour conduire les ultrasons, en jouant le rôle d'une interface.The device 1 according to the invention comprises a means 10 providing an ultrasonic field (FIG. 1). This means consists of an ultrasonic head 10, supplied by an ultrasonic generator 11, placed facing the skin and housed in a sealed manner in the vacuum suction means 20 via the opening 24 where it is set (Figure 2). Preferably, an ultrasound conducting gel 40 represented in FIG. 1 is applied to the external surface 3 1 of the skin 30 to be treated at least at the level where the ultrasound head 10 will be positioned. This gel is intended to serve as an ultrasonic connection between the ultrasonic head 10 and the skin 30 for conducting the ultrasound, playing the role of an interface.
Ledit moyen 20 d'aspiration sous vide est avantageusement une ventouse constituée par une cloche dont la grande ouverture 21 est destinée à être obturée par la surface externe 3 1 de la portion (P) de la peau 30, le long du rebord périphérique 22 de la cloche. Ladite cloche comporte en outre une ouverture 23 pour permettre de relier l'enceinte close 2, qu'elle forme lors du fonctionnement, avec une pompe à vide non représentée. La liaison de l'ouverture 23 à ladite pompe est avantageusement un conduit suffisamment rigide pour ne pas être déformé sous l'effet du vide ; en pratique ledit conduit pourra être logé au moins partiellement dans la poignée 25 du générateur d'ultrasons 1 1. Le générateur d'ultrasons 1 1 est alimenté en courant électrique par des conducteurs disposés dans une gaine 12 logée au moins partiellement dans ladite poignée 25.Said vacuum suction means 20 is advantageously a suction cup constituted by a bell whose large opening 21 is intended to be closed by the external surface 3 1 of the portion (P) of the skin 30, along the peripheral rim 22 of the bell. Said bell further comprises an opening 23 to allow the closed enclosure 2 to be connected, which it forms during operation, with a vacuum pump not shown. The connection of the opening 23 to said pump is advantageously a sufficiently rigid conduit so as not to be deformed under the effect of the vacuum; in practice said conduit may be housed at least partially in the handle 25 of the ultrasonic generator 1 1. The ultrasonic generator 1 1 is supplied with electric current by conductors arranged in a sheath 12 housed at least partially in said handle 25 .
La cloche présente une paroi qui est transparente sur au moins une portion de sa surface. Plus avantageusement la cloche sera totalement transparente. Elle sera conçue en verre ou mieux en plastique transparent, notamment en polycarbonate. Le bord de l'extrémité inférieure de l'enceinte close 2 destiné à entrer en contact avec la surface externe 31 de la peau 30 est de préférence suffisamment large afin que la force s'exerçant dudit bord de l'enceinte close 2 sur ladite surface externe 3 1 soit répartie sur une surface relativement importante pour ne pas entailler ou marquer ladite surface externe 31. La partie inférieure de l'enceinte close 2 comporte avantageusement une partie déformable souple 35 qui s'adapte aux reliefs de la surface externe 31 de la peau 30. Cette partie déformable souple 35 peut être formée par une succession de soufflets circulaires en caoutchouc. On remarque sur la figure 4 que l'ensemble constitué par la poignée 25, le générateur 1 1 et l'enceinte close 2 peut être légèrement incliné par rapport à la direction normale à la peau grâce à la souplesse de la partie 35. On peut ainsi maintenir cette inclinaison lors du fonctionnement du dispositif selon l'invention pour ne pas gêner le patient par un contact avec ledit ensemble. Egalement en phase de pose du dispositif selon l'invention contre la peau du patient, l'angle d'approche peut se faire même indifféremment selon la normale à la peau ou selon un autre angle. Même dans un angle d'approche différent de la normale à la peau, ladite partie 35 va s'adapter à la surface externe 31 de la peau 30 en jouant sur l'écartement des soufflets et la souplesse de ladite partie 35.The bell has a wall which is transparent over at least a portion of its surface. More advantageously the bell will be completely transparent. It will be designed in glass or better in transparent plastic, in particular in polycarbonate. The edge of the lower end of the closed enclosure 2 intended to come into contact with the external surface 31 of the skin 30 is preferably sufficiently wide so that the force exerted by said edge of the closed enclosure 2 on said surface external surface 3 1 is distributed over a relatively large surface so as not to cut or mark said external surface 31. The lower part of the closed enclosure 2 advantageously comprises a flexible deformable part 35 which adapts to the reliefs of the external surface 31 of the skin 30. This flexible deformable part 35 can be formed by a succession of circular rubber bellows. Note in FIG. 4 that the assembly constituted by the handle 25, the generator 11 and the closed enclosure 2 can be slightly inclined relative to the direction normal to the skin thanks to the flexibility of the part 35. It is possible to thus maintaining this inclination during the operation of the device according to the invention so as not to disturb the patient by contact with said assembly. Also during the fitting of the device according to the invention against the patient's skin, the angle of approach can even be made according to the normal to the skin or from another angle. Even in an angle of approach different from normal to the skin, said part 35 will adapt to the external surface 31 of the skin 30 by acting on the spacing of the bellows and the flexibility of said part 35.
Les commandes relatives à la formation du champ d'ultrasons et de l'aspiration sous vide peuvent être situées de façon avantageuse près du générateur d'ultrasons, comme représenté par la référence numérique 12 de la figure 1. Dans les figures 3a - 3d, pour chaque cycle unitaire et en fonction du temps (selon une échelle très approximative) :The controls relating to the formation of the ultrasonic field and the vacuum aspiration can be advantageously located near the ultrasonic generator, as represented by the reference numeral 12 in FIG. 1. In FIGS. 3a - 3d, for each unitary cycle and as a function of time (on a very approximate scale):
- l'instant TAo représente le début de la phase d'exposition au champ d'ultrasons,- the instant T Ao represents the start of the phase of exposure to the ultrasonic field,
- l'instant TAt représente la fin de la phase d'exposition au champ d'ultrasons,- the instant T At represents the end of the phase of exposure to the ultrasonic field,
- l'instant TBo représente le début de la phase d'aspiration sous vide,- the instant T Bo represents the start of the vacuum suction phase,
- l'instant TBt représente la fm de la phase d'aspiration sous vide,- the instant T Bt represents the fm of the vacuum suction phase,
- l'instant TRo représente le début de la détente pour revenir à la pression atmosphérique, et - l'instant TRt représente la fin de la phase détente et correspond au début du nouveau cycle commençant par la phase d'exposition (instant TAo') au champ d'ultrasons.- time T Ro represents the start of expansion to return to atmospheric pressure, and - time T Rt represents the end of the expansion phase and corresponds to the start of the new cycle starting with the exposure phase (time T Ao ') to the ultrasound field.
Les cycles unitaires qui conviennent selon l'invention sont ceux des figures 3a, 3b et 3c, où la phase d'aspiration sous vide et la phase d'exposition au champ d'ultrasons sont au moins partiellement superposées (voir figure 3a). Il est important que la phase d'exposition au champ d'ultrasons précède la phase d'aspiration sous vide. De préférence la phase d'aspiration sous vide 1 aura une durée identique à celle de la phase d'exposition au champ d'ultrasons et 2 débutera en même temps que celle-ci (voir figure 3 c), et mieux ladite phase d'aspiration sous vide sera incluse dans la durée de ladite phase d'exposition au champ d'ultrasons (voir figure 3b).The unit cycles which are suitable according to the invention are those of FIGS. 3a, 3b and 3c, where the vacuum suction phase and the phase of exposure to the ultrasound field are at least partially superimposed (see figure 3a). It is important that the exposure phase to the ultrasound field precedes the vacuum suction phase. Preferably the vacuum suction phase 1 will have a duration identical to that of the phase of exposure to the ultrasound field and 2 will start at the same time as this (see FIG. 3 c), and better said phase. vacuum suction will be included in the duration of said phase of exposure to the ultrasonic field (see Figure 3b).
Le cycle unitaire de la figure 3d ne convient pas selon l'invention dès lors que la phase d'aspiration sous vide intervient après la phase d'exposition au champ d'ultrasons, sans qu'il y ait superposition même partielle.The unit cycle of Figure 3d is not suitable according to the invention since the vacuum suction phase occurs after the phase of exposure to the ultrasonic field, without there being even partial superposition.
La description ci-dessus pour illustrer l'invention ne saurait en limiter la portée. Ainsi, la transmission des ultrasons vers la peau 30 peut se faire par liaison ultrasonique directe entre la tête à ultrasons 10 directement au contact de la surface externe 31 de ladite peau 30, sans utilisation d'un gel conducteur 40, ladite tête à ultrasons 10 arrivant sensiblement au même niveau que le bord de l'enceinte close 2.The above description to illustrate the invention should not limit its scope. Thus, the transmission of ultrasound to the skin 30 can be done by direct ultrasonic connection between the ultrasonic head 10 directly in contact with the external surface 31 of said skin 30, without using a conductive gel 40, said ultrasonic head 10 arriving at approximately the same level as the edge of the closed enclosure 2.
Selon un autre mode de réalisation de l'invention, la liaison ultrasonique pour la transmission des ultrasons entre le générateur d'ultrasons 1 1 et la surface externe 3 1 de la peau 30 peut se faire par l'intermédiaire de la cloche 2 constituée dans ce cas au moins sur une partie de la cloche 2 s'étendant entre ledit générateur d'ultrasons 1 1 et le bord inférieur de ladite cloche 2 d'un matériau conduisant les ultrasons du type plastique rigide par exemple. Dans ce mode de réalisation, la tête à ultrasons 10 est donc constituée par ladite partie de la cloche 2 au contact de la peau, cette partie pouvant être la cloche 2 toute entière si celle-ci est faite d'un matériau conduisant les ultrasons comme sur la figure 4.According to another embodiment of the invention, the ultrasonic connection for the transmission of ultrasound between the ultrasonic generator 1 1 and the external surface 3 1 of the skin 30 can be done by means of the bell 2 constituted in this case at least on a part of the bell 2 extending between said ultrasonic generator 1 1 and the lower edge of said bell 2 of an ultrasonic conducting material of the rigid plastic type for example. In this embodiment, the ultrasonic head 10 is therefore constituted by said part of the bell 2 in contact with the skin, this part possibly being the entire bell 2 if the latter is made of a material conducting the ultrasound such as in figure 4.
Selon un autre mode de réalisation, la tête à ultrasons 10 peut être montée à l'extérieur et en périphérie de la cloche 2. D'autre part, le dispositif selon l'invention peut être utilisé à la fois en position fixe plaqué sur une partie de la surface externe de la portion (P) de la peau à traiter mais également en mouvement de translation sur la peau pour traiter une autre portion de peau et/ ou pour obtenir un massage en parallèle du patient par un effet de rouler/ palper de la peau. According to another embodiment, the ultrasonic head 10 can be mounted outside and on the periphery of the bell 2. On the other hand, the device according to the invention can be used both in a fixed position pressed against a part of the external surface of the portion (P) of the skin to be treated but also in translational movement on the skin to treat another portion of skin and / or to obtain a massage in parallel with the patient by a rolling / palpating effect skin.

Claims

REVENDICATIONS
1. Dispositif physiothérapeutique (1) pour le traitement de la peau1. Physiotherapeutic device (1) for the treatment of the skin
(30) dans son épaisseur, ledit dispositif étant caractérisé en ce qu'il comprend(30) in its thickness, said device being characterized in that it comprises
(A) au moins un moyen (10) fournissant un champ d'ultrasons, et(A) at least one means (10) providing an ultrasonic field, and
(B) au moins un moyen (20) d'aspiration par dépression sous vide servant à dilater les couches d'une portion de peau (P) à traiter, lesdits moyens des points (A) et (B) étant agencés de telle façon que, en fonctionnement, la portion de peau (P) à traiter soit soumise à un ou plusieurs cycles comprenant chacun une phase d'aspiration sous vide et une phase d'exposition au champ d'ultrasons, lesdites phase d'aspiration sous vide et phase d'exposition au champ d'ultrasons se superposant au moins partiellement pendant la durée de chaque cycle.(B) at least one means (20) of vacuum suction for expanding the layers of a portion of skin (P) to be treated, said means of points (A) and (B) being arranged in such a way that, in operation, the portion of skin (P) to be processed is subjected to one or more rings each comprising a phase of vacuum suction and a phase of exposure to the ultrasound field, said suction phase in vacuo and phase of exposure to the ultrasonic field overlapping at least partially during the duration of each cycle.
2. Dispositif suivant la revendication 1, caractérisé en ce que ledit moyen (10) du point (A) est une tête à ultrasons, et en ce que ledit moyen (20) du point (B) est une ventouse. 2. Device according to claim 1, characterized in that said means (10) of point (A) is an ultrasonic head, and in that said means (20) of point (B) is a suction cup.
3. Dispositif suivant la revendication 1, caractérisé en ce que le moyen (10) fournissant un champ d'ultrasons est une tête à ultrasons en liaison ultrasonique avec la peau (30) et alimentée par un générateur d'ultrasons (11), et en ce que le moyen (20) d'aspiration par dépression sous vide servant à dilater les couches situées dans l'épaisseur d'une portion de peau (P) à traiter est une ventouse constituée d'une cloche ayant3. Device according to claim 1, characterized in that the means (10) providing an ultrasonic field is an ultrasonic head in ultrasonic connection with the skin (30) and supplied by an ultrasonic generator (11), and in that the vacuum vacuum suction means (20) for expanding the layers located in the thickness of a portion of skin (P) to be treated is a suction cup consisting of a bell having
(i) une ouverture (21) destinée à venir en contact, par l'intermédiaire de son rebord périphérique (22), avec la surface externe (31) de la portion de peau (P) à traiter (30), en fonctionnement l'ensemble cloche/rebord (22)/surface externe (31) délimitant une enceinte close (2),(i) an opening (21) intended to come into contact, via its peripheral rim (22), with the external surface (31) of the skin portion (P) to be treated (30), in operation l '' bell / rim (22) / external surface (31) delimiting a closed enclosure (2),
(ii) une fenêtre (23) destinée à relier l'enceinte close (2) à une pompe à vide par le biais d'une canalisation essentiellement indéformable.(ii) a window (23) intended to connect the closed enclosure (2) to a vacuum pump by means of an essentially non-deformable pipe.
4. Dispositif suivant la revendication 3, caractérisé en ce que la partie inférieure de l'enceinte close (2) comporte une partie déformable souple destinée à entrer en contact avec la surface externe (31) de la peau (30).4. Device according to claim 3, characterized in that the lower part of the closed enclosure (2) comprises a deformable part flexible intended to come into contact with the external surface (31) of the skin (30).
5. Dispositif suivant l'une quelconque des revendications 3 ou 4, caractérisé en ce que le bord de l'extrémité inférieure de l'enceinte close (2) destiné à entrer en contact avec la surface externe (31) de la peau (30) est large.5. Device according to any one of claims 3 or 4, characterized in that the edge of the lower end of the closed enclosure (2) intended to come into contact with the external surface (31) of the skin (30 ) is wide.
6. Dispositif suivant l'une quelconque des revendications 3 à 5, caractérisé en ce que la liaison ultrasonique entre le moyen ( 10) fournissant un champ d'ultrasons et la surface externe (31) de la peau (30) est constituée par l'enceinte close (2) réalisée dans un matériau conducteur des ultrasons.6. Device according to any one of claims 3 to 5, characterized in that the ultrasonic connection between the means (10) providing an ultrasonic field and the external surface (31) of the skin (30) is constituted by l 'closed enclosure (2) made of an ultrasonic conductive material.
7. Dispositif suivant l'une quelconque des revendications précédentes, caractérisé en ce qu'il comporte en outre au moins un moyen chauffant susceptible d'être couplé au moyen (10) fournissant le champ d'ultrasons. 7. Device according to any one of the preceding claims, characterized in that it further comprises at least one heating means capable of being coupled to the means (10) providing the ultrasound field.
8. Dispositif suivant l'une quelconque des revendications précédentes, caractérisé en ce qu'il comporte en outre au moins un moyen réfrigérant susceptible d'être couplé au moyen (10) fournissant le champ d'ultrasons.8. Device according to any one of the preceding claims, characterized in that it further comprises at least one cooling means capable of being coupled to the means (10) providing the ultrasound field.
9. Dispositif suivant la revendication 1, caractérisé en ce que, au cours de chaque cycle, la phase d'aspiration sous vide est réalisée pendant la phase d'exposition au champ d'ultrasons.9. Device according to claim 1, characterized in that, during each cycle, the vacuum suction phase is carried out during the phase of exposure to the ultrasound field.
10. Dispositif suivant la revendication 9, caractérisé en ce que la durée de la phase d'aspiration sous vide est inférieure à celle de la phase d'exposition au champ d'ultrasons. 10. Device according to claim 9, characterized in that the duration of the vacuum suction phase is less than that of the phase of exposure to the ultrasonic field.
PCT/FR1998/001844 1997-08-25 1998-08-24 Physiotherapeutic device for treating the skin by suction under vacuum and ultrasound WO1999009928A1 (en)

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EP98942777A EP1009353A1 (en) 1997-08-25 1998-08-24 Physiotherapeutic device for treating the skin by suction under vacuum and ultrasound
CA002294822A CA2294822A1 (en) 1997-08-25 1998-08-24 Physiotherapeutic device for treating the skin by suction under vacuum and ultrasound

Applications Claiming Priority (2)

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FR9710622A FR2767476B1 (en) 1997-08-25 1997-08-25 PHYSIOTHERAPEUTIC DEVICE FOR THE TREATMENT OF THE SKIN BY VACUUM AND ULTRASOUND SUCTION
FR97/10622 1997-08-25

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CA (1) CA2294822A1 (en)
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FR2767476A1 (en) 1999-02-26
EP1009353A1 (en) 2000-06-21
FR2767476B1 (en) 1999-10-15
CA2294822A1 (en) 1999-03-04

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