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WO2008028983A1 - Dispositif électronique de diathermie - Google Patents

Dispositif électronique de diathermie Download PDF

Info

Publication number
WO2008028983A1
WO2008028983A1 PCT/ES2007/000355 ES2007000355W WO2008028983A1 WO 2008028983 A1 WO2008028983 A1 WO 2008028983A1 ES 2007000355 W ES2007000355 W ES 2007000355W WO 2008028983 A1 WO2008028983 A1 WO 2008028983A1
Authority
WO
WIPO (PCT)
Prior art keywords
diathermy
electronic device
electrodes
output power
electronic
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.)
Ceased
Application number
PCT/ES2007/000355
Other languages
English (en)
Spanish (es)
Other versions
WO2008028983A8 (fr
Inventor
José Calbet Benach
Javier Lario Garcia
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.)
Indiba SA
Original Assignee
Indiba SA
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 Indiba SA filed Critical Indiba SA
Publication of WO2008028983A1 publication Critical patent/WO2008028983A1/fr
Publication of WO2008028983A8 publication Critical patent/WO2008028983A8/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/02—Details
    • A61N1/04—Electrodes
    • A61N1/06—Electrodes for high-frequency therapy
    • 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
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/14—Probes or electrodes therefor
    • A61B18/1402—Probes for open surgery
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/18—Applying electric currents by contact electrodes
    • A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents

Definitions

  • This device by diathermy by conducted currents, is effective in multiple applications in the field of electromedicine and in the field of electrostatics.
  • Diathermy is the use of special electrical currents to raise the temperature of living tissues for therapeutic purposes.
  • the increase in the temperature of living tissues may be unintended as in the case of electrosurgical devices, or intentional as with devices with therapeutic or electrostatic uses.
  • the increase in temperature of living tissue by diathermy is achieved by transmitting energy to it by two methods: by induced currents (electrodes without contact with the tissue) and by conducted currents.
  • induced currents electrodes without contact with the tissue
  • conducted currents In the diathermy by conducted currents, two electrodes are applied in contact with the living tissue and there is a circulation of current between the two electrodes that crosses the living tissue that is in its path. The circulating current raises the temperature of the tissue by the Joule effect due to the resistance of the tissue itself.
  • the capacitive method With the coupling by contact (conducted currents) there are two methods of application: the capacitive method and the resistive method.
  • the electrodes In diathermy with contact coupling the electrodes are normally asymmetric, in that case, and due to the current density, the greatest increase in temperature occurs in the tissues closest to the active electrode (the smaller one).
  • the resistive method In the resistive method the two electrodes are metallic without insulating.
  • the two electrodes are metallic, but one of them has an insulating layer. •
  • the frequency of the signal applied in the contactless coupling method must be much higher than the frequency of the signal applied in the contactless coupling method.
  • Conducted current diathermy has been shown as a very effective tool in multiple applications in the field of electromedicine and electrostatics.
  • diathermy devices are known, some of them portable, applicable to electrosurgery with electrocoagulation function, for hematogenous purposes or to promote scarring, not causing an increase in the temperature of living tissue for therapy in any of them.
  • the object of the present invention is a new and small portable and manual diathermy device suitable for epidermal care, mainly for the facial area, but not exclusive of other areas. body, in order to reduce wrinkles, stretch marks, sagging, scars, etc., and increase hydration.
  • the device in question produces a temperature increase in: the dermis, the epidermis and in deeper layers such as the muscle, depending on its electrical resistance to the passage of the electric current through it, by means of an applicator handle.
  • This increase in temperature a significant increase in blood circulation is achieved.
  • the device is primarily intended for facial use in people, it can also be applied to other parts of the body and even to animals.
  • the device is formed by an ergonomic handle that integrates two metal electrodes in contact with the living tissue to be treated, the current flowing through the tissue by conduction. The goal is to increase the temperature locally.
  • the indicated handle comprises a control knob that regulates the output power, being able to hold the handle and operate the device with one hand.
  • the device is preferably powered by batteries or rechargeable batteries integrated in the same applicator handle, so it can be autonomous from the mains, although it could also be powered directly from the mains using a flexible connection cable.
  • the treatments are carried out by means of an applicator handle in which at one end the two metal electrodes are located without an insulating layer, although in one variant one or both electrodes can have an insulating layer.
  • Both electrodes must be of biocompatible material suitable for the treatment of diathermy on the human body.
  • the maximum output power can be of the order of 20 W, however a typical value can be 6 W.
  • the output power can be variable by means of a regulating control.
  • the frequency of the applied signal can be in a range of 100 kHz to 10 MHz so that nerve stimulation does not occur, and its value is not essential for the correct functionality of the device.
  • Figures 1 and 2 schematically illustrate, in side and front elevations, respectively, the device object of the invention.
  • Figure 3 shows a signal that can be of current or voltage normalized to the unit for maximum power delivered to the output.
  • Figure 4 shows a signal that can be of current or voltage normalized to the unit for approximately 30% of the power delivered to the output.
  • Figures 5 and 6 show signals for different powers delivered by varying the modulation of the voltage or current of the output signal.
  • the electronic diathermy device comprises two electrodes (1) and (2) installed next to each other in a tool (3) by which they are applied together in the area to be treated.
  • the two electrodes are preferably metallic, however one or both could have an insulating layer.
  • the tool (3) consists of an ergonomic handle (4) forming an inclined head (5) with an application plane (6) where the two electrodes (1) and (2) close to each other are installed.
  • the handle itself (4) comprises, in a preferred version rechargeable batteries or dry batteries (7) for operation with sufficient autonomy to carry out one or more complete treatments, a power level display made by an LCD display (8), with segment digits or with LEDs (9), a control (10) for controlling and regulating the output power, a printed circuit (11) that It comprises an oscillator (12) with a control circuit, a high performance output amplifier (13) and a battery charger circuit (14).
  • Reference (15) indicates a start-up command that will be installed in the handle (4) in the event that the device does not include a motion sensor for connection or disconnection.
  • the electrodes (1) and (2) will be installed in fixed mounting on the handle (4) with a separation of for example between 0.3 cm and 1 cm, however, if desired, they could be installed in a mounting that would allow to regulate their separation.
  • the device could comprise several aligned electrodes, two of which can be connected to the radiofrequency amplifier.
  • the two electrodes (1) and (2) may be of equal or similar size, symmetrical or asymmetrical, and their application surface will be preferably flat although in some cases they may have a convex or other configuration that suits their application, the surface being preferably 0.5 cm 2 .
  • a power connector is indicated with reference (16).
  • the variation of the output power with the control (10) can be achieved by varying the amplitude (amplitude modulation) (Fig. 3 and Fig. 4), or by modulating the output signal by a pulse signal or pulses (Fig. 5 and Fig. 6) (PWM pulse width modulation).
  • amplitude modulation amplitude modulation
  • Fig. 5 and Fig. 6 pulse signal or pulses
  • Figures 3, 4, 5 and 6 the axis of abscissa is the time and the axis of ordinates is the amplitude of the signal applied normalized to the unit.
  • Figure 3 shows the signal that provides the maximum output power. To reduce this power, the amplitude of the output signal can be reduced as shown in Figure 4 (amplitude modulation).
  • Figures 3, 4, 5 and 6 show an example sinusoidal signal, however the applied signal can also be square, exponential or triangular.
  • a control is performed, which can be a button, a potentiometer, an "encoder” or a small “joystick”.

Landscapes

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

Abstract

L'invention concerne un dispositif électronique de diathermie se caractérisant par un corps enveloppant manuellement manipulable, pourvu dans sa partie intérieure de moyens d'alimentation électrique et de moyens électroniques de génération d'impulsions de radiofréquence, connectés à deux électrodes métalliques actives adjacentes entre elles destinées à être appliquées sur la zone sous-cutanée comprenant le défaut à traiter. Lesdites électrodes occupent deux zones séparées de la surface du corps enveloppant de l'appareil, déterminant une zone intermédiaire unique entre les deux électrodes sur laquelle elles sont appliquées pour traiter le défaut cutané. Les électrodes ne comprennent pas de revêtement et appliquent des impulsions de radiofréquence sur la surface cutanée par conduction. Le corps de l'appareil présente un manche et un bouton-poussoir ergonomiques, pouvant être saisis et actionnés à l'aide d'une seule main.
PCT/ES2007/000355 2006-09-08 2007-06-15 Dispositif électronique de diathermie Ceased WO2008028983A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES200601984 2006-09-08
ES200601984 2006-09-08

Publications (2)

Publication Number Publication Date
WO2008028983A1 true WO2008028983A1 (fr) 2008-03-13
WO2008028983A8 WO2008028983A8 (fr) 2008-06-05

Family

ID=39156855

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/ES2007/000355 Ceased WO2008028983A1 (fr) 2006-09-08 2007-06-15 Dispositif électronique de diathermie

Country Status (1)

Country Link
WO (1) WO2008028983A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3053536A1 (fr) * 2014-12-19 2016-08-10 Brera Medical Technologies S.r.l. Dispositif électronique pour la diathermie avec contrôle actif de courant

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4033356A (en) * 1975-08-20 1977-07-05 Hakuju Institute For Health Science Co., Ltd. Apparatus for therapeutical treatment and stimulation of muscles by low-frequency oscillating electric current
ES2007810A6 (es) * 1988-04-11 1989-07-01 Erbalaser S A Aparato para la aplicacion de diatermia y rayos laser infrarrojos.
US4878493A (en) * 1983-10-28 1989-11-07 Ninetronix Venture I Hand-held diathermy apparatus
US6039734A (en) * 1995-10-24 2000-03-21 Gyrus Medical Limited Electrosurgical hand-held battery-operated instrument
ES1058245U (es) * 2004-08-02 2004-11-16 Jose Lopez Llurda Aplicador bipolar de radiofrecuencia o alta frecuencia para terapias de los tejidos de la piel.
ES1059864U (es) * 2005-03-15 2005-06-16 Frco. Jose Arriaza Muñoz Aplicador de radiofrecuencia o alta frecuencia para diatermia.

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4033356A (en) * 1975-08-20 1977-07-05 Hakuju Institute For Health Science Co., Ltd. Apparatus for therapeutical treatment and stimulation of muscles by low-frequency oscillating electric current
US4878493A (en) * 1983-10-28 1989-11-07 Ninetronix Venture I Hand-held diathermy apparatus
ES2007810A6 (es) * 1988-04-11 1989-07-01 Erbalaser S A Aparato para la aplicacion de diatermia y rayos laser infrarrojos.
US6039734A (en) * 1995-10-24 2000-03-21 Gyrus Medical Limited Electrosurgical hand-held battery-operated instrument
ES1058245U (es) * 2004-08-02 2004-11-16 Jose Lopez Llurda Aplicador bipolar de radiofrecuencia o alta frecuencia para terapias de los tejidos de la piel.
ES1059864U (es) * 2005-03-15 2005-06-16 Frco. Jose Arriaza Muñoz Aplicador de radiofrecuencia o alta frecuencia para diatermia.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3053536A1 (fr) * 2014-12-19 2016-08-10 Brera Medical Technologies S.r.l. Dispositif électronique pour la diathermie avec contrôle actif de courant

Also Published As

Publication number Publication date
WO2008028983A8 (fr) 2008-06-05

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