WO2011078645A2 - Équipement de stimulation électromagnétique pour le traitement systémique sur le bras de plaies chroniques, l'activation de l'angiogenèse et l'augmentation de la perméabilité vasculaire - Google Patents

Équipement de stimulation électromagnétique pour le traitement systémique sur le bras de plaies chroniques, l'activation de l'angiogenèse et l'augmentation de la perméabilité vasculaire Download PDF

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Publication number
WO2011078645A2
WO2011078645A2 PCT/MX2011/000003 MX2011000003W WO2011078645A2 WO 2011078645 A2 WO2011078645 A2 WO 2011078645A2 MX 2011000003 W MX2011000003 W MX 2011000003W WO 2011078645 A2 WO2011078645 A2 WO 2011078645A2
Authority
WO
WIPO (PCT)
Prior art keywords
coil
equipment
electromagnetic stimulation
systemic treatment
further characterized
Prior art date
Application number
PCT/MX2011/000003
Other languages
English (en)
Spanish (es)
Other versions
WO2011078645A3 (fr
Inventor
Luis CAÑEDO DORANTES
Héctor LOPEZ AGUADO
Alvaro Zamudio Lara
Gregorio Serrano Luna
Carlos Soto Curiel
Citlali Diaz Gutierrez
Original Assignee
Alandra Medical S.A.P.I. De C.V.
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 Alandra Medical S.A.P.I. De C.V. filed Critical Alandra Medical S.A.P.I. De C.V.
Publication of WO2011078645A2 publication Critical patent/WO2011078645A2/fr
Publication of WO2011078645A3 publication Critical patent/WO2011078645A3/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N2/00—Magnetotherapy
    • A61N2/02—Magnetotherapy using magnetic fields produced by coils, including single turn loops or electromagnets
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/40—Applying electric fields by inductive or capacitive coupling ; Applying radio-frequency signals

Definitions

  • the present invention relates to a device with coils that generate a uniform electromagnetic field within a cylindrical body, more specifically, a tubular device, provided with a power source and with external and internal housing within which the forearm to be irradiated by means of the constant magnetic field produced by a stratified arrangement of longitudinal coils located on the periphery of a tubular body located inside the housings.
  • Figure 1 is a perspective view of the arm equipment for the electromagnetic field application of the present invention.
  • Figure 2 is a cross-sectional view of the arm equipment for the electromagnetic field application of the present invention.
  • Figure 3 is an exploded view of the arm equipment for the electromagnetic field application of the present invention.
  • Figure 4 is a cross-sectional view showing the position of the coil and fans of the arm equipment for the electromagnetic field application of the present invention.
  • Figure 5 is a perspective view of the power source attached to the arm equipment for the electromagnetic field application of the present invention.
  • Figure 6 is a view without the upper housing showing the location of the power source elements for the arm equipment.
  • Figure 7 is a perspective view of the exploded view of the power source for the arm equipment.
  • the treatment consists in the application of electromagnetic fields with a field intensity in the center of the 9 Gauss coil.
  • a microcontroller of the Microchip family is used. The use is very simple, with two buttons the treatment time is set (one increases and the other decreases), the start button is pressed, and the electromagnetic field in the coil will begin to be generated to be applied on the forearm.
  • the arm equipment of the present invention can be divided into the following component elements or modules:
  • the digital control module and Visual Interface is mainly formed by a microcontroller, which among its functions are those of:
  • an EEPROM memory of the microcontroller has been enabled in the LED indicator control, where an event counter is stored indicating the number of times the equipment has been used. It is worth mentioning that microcontroller has established a maximum number of daily use of the equipment per year and a half. Upon reaching that pre-established account, the equipment will invariably fail in the electromagnetic field, requesting that the service indicator be activated.
  • this module consists of a 15 VAC / 2 A signal, which is rectified and converted to a frequency of 120Hz.
  • the coil has an internal diameter equal to that of the PVC tube (11.0 cm) since on it the 22 AWG copper magneto wire with double layer of varnish is wound, the solenoid coil (Helmholtz) has a total of 860 turns distributed in three layers and a length of 20.3 cm in which a total is accommodated.
  • the device has a field current sensor consisting of a shunt resistor, connected in series with the coil, which allows monitoring the current that is related to the generation of the electromagnetic field.
  • the sensor signal is sent directly to a VAC to VRMS converter, which allows you to convert the signal from analog to digital.
  • the microcontroller has been previously calibrated to produce the desired electromagnetic field strength, preferably with a 9 Gauss intensity.
  • a self-test routine is initiated, in which the magnetic field is monitored to have the appropriate intensity previously preset with the calibration. This is done by measuring the current flowing through the coil, the current is a function of the electromagnetic field.
  • This current is measured at a resistance of one ohm, which is in series with the coil, and what is taken is the voltage, which by ohm's law It will be equivalent to the current.
  • This voltage must be measured by the microcontroller, so it is first necessary to pass it through a stage of conversion of variable voltage to an RMS voltage, voltage on CD equivalent to the variable.
  • a special circuit designated as AD536 is used. The output of this voltage is introduced to one of the ports of the microcontroller, which has the characteristic of being able to convert from analog to digital, so at this stage it is possible to process the signal from the electromagnetic field.
  • the microcontroller evaluates whether this signal is within a range of ⁇ 10% of the 9 Gauss calibrated field.
  • the micro will activate the manual up / down control buttons of the equipment and a treatment can be made establishing the necessary time; on the other hand, a blue LED is lit and it will remain lit to indicate that the equipment is in working condition, if the evaluation is negative, an orange LED will continue to flash in signal that the equipment requires maintenance.
  • buttons are directly connected to a microcontroller, which is responsible for increasing or decreasing the counting scale of a counter with a preset value, as well as performing the logic necessary to display such information in the display, which is controlled through of only three control lines, using the SPI communication protocol.
  • the user must press the start button, which will indicate to the microcontroller that the amount set in the deployment should start the reverse count by means of a timer which is calibrated to display the information in every second.
  • the microcontroller will instruct a circuit consisting of a transistor and that functions as a switch to activate a relay, which will allow the connection of the coils to the rectified voltage at 120Hz.
  • Three fans are also activated as the coil cooling system, and thus provide comfort for the user by avoiding excessive heat generated by the Helmholtz coil.
  • the dial also contains a semi-circle of indicator LEDs that turn sequentially in the clockwise direction and will return to the starting point in the opposite direction, the ignition or illumination of the LEDs appears cyclically while the equipment is in operation.
  • the microcontroller is decreasing the counting scale of the counters, and is responsible for sending the information of the remaining minutes to the deployment, when the account is missing for a minute It will be appreciated in the display will be the countdown in seconds.
  • the coil, fan and LED display switches will be deactivated; A signal is also sent to a buzzer that causes an audible signal for a period of one second intermittently to indicate that the process is over.
  • the microcontroller has been set a maximum usage time. This carries a counter, whose result is stored in EEPROM memory. This adder is incremented each time the calibration test is requested. That is, if the micro detects that it must perform its calibration test, it first verifies the value it has stored in memory and compares it with the result of the counter (which also is in memory) If the counter is lower, then proceed to perform the calibration algorithm mentioned above; otherwise, the microcontroller will turn on the orange LED indicating that maintenance is required.
  • the start button is not activated and it is informed on the screen that maintenance service is required and that you should call the maintenance technician and reset the microcontroller counter, this by programming the micro, or by connecting special pin, and with the application of voltage pulses, with which it will be possible to erase the result of the counter in EEPROM memory. By doing this, it is possible to reuse the equipment. Periodic calibration is necessary to ensure the homogeneity of field lines within the coil, since a constant field strength is necessary.
  • the coil has an excitation source with a 120 VAC input transformer and 15 V rms output at 2 A, an AC to DC converter with 5 VDC output at 3 A that feeds a control card and the equipment fans to arm of the present invention.
  • the output of the transformer is connected to a module that doubles the frequency and this module feeds the solenoid coil.
  • a shunt resistor is connected in series with the coil, this arrangement is used to measure the current that passes through the coil.
  • the voltage generated at the coil terminals is sent to an AC to DC converter and at the output of that converter we will have the RMS value of the generated magnetic field.
  • the cover or manual control interface of the device is controlled by the microprocessor, it consists of control buttons such as the power button (ON), the button that increases the counter count (ASC), said account is displayed in three digits and seven segments; the (DESC) button that decreases the account or runs it in reverse when it has been set with the counter, the descending display is also shown in a three-digit, seven-segment display; Once the account programmed by the counter is established, the start button (INI) is pressed to allow the operation of arm equipment of the present invention.
  • the three-digit seven-segment display is controlled by a SPI serial protocol.
  • Figure 1 is a perspective view of the equipment where the forearm is placed for the magnetic field irradiation for a certain period pre-established by the user, consists of an internal support housing (2) built in white fiberglass, two auxiliary outer cases in blue fiberglass that are fastened by means of screws to the internal housing (2); the upper auxiliary housing (1) and the lower auxiliary housing (3), both housings have on their side faces an irregular distribution of small holes that allow free air circulation for internal ventilation that is carried out by means of fans that they do not allow the Helmholtz coil to overheat, said coil is wound on the central PVC tube (4) that defines a central cylindrical space where the user's forearm is placed in the magnetic field irradiation process.
  • the flat section of the housing (2) defines a cover where the control buttons of the device such as the power button, the counting buttons, the display screen and an arrangement of LEDs indicating the operation of the device are placed.
  • Figure 2 shows a cross-section of the apparatus of the present invention, in said section the flat section or cover of the housing (2) is denoted where the control terminals are placed as buttons and LED indicators of operation and counting, attached to the housing (2) is the lower auxiliary housing (3) which also has a flat section with non-skid tires (6) that prevent the involuntary displacement of the apparatus when the user has inserted the forearm into the central cylindrical hole defined by PVC pipe (4), the Flat section of (3) defines the base of the apparatus of the present invention, also associated with the housing (2) is the upper auxiliary housing (1) that functions as an envelope of the internal elements of the apparatus such as fans, coil and control card (not shown).
  • the housings are made of fiberglass and the auxiliaries are provided on their side face with a plurality of small holes for forced ventilation by means of internal fans that keep the coil at a certain temperature pleasant to the human body.
  • the forearm is placed inside the tube (4) and the generation time of the magnetic field radiating said forearm is programmed to cause beneficial effects on healing.
  • Figure 3 is an exploded view of the arm apparatus of the present invention, shows both the main housing (2) that serves to hold fans (40) in their respective fan holders (13), also holds the card control (11) that is part of the digital control circuit and visual interface consisting of a microcontroller, a communication interface, a three-digit seven-segment display screen controlled by the SPI serial protocol, the central PVC pipe (4) on which the coil (0) that generates the required magnetic field in the center of it is wound, in the flat section of said housing (2) the control terminals or buttons such as the half circle of LEDs are placed under pressure (14), the neoprene buttons for turning the meter on and off and back (16) as well as the meter display (15), the power connection (5) providing the power to the power is also placed in said housing the coil, control card and information display.
  • the card control (11) that is part of the digital control circuit and visual interface consisting of a microcontroller, a communication interface, a three-digit seven-segment display screen controlled by the SPI
  • auxiliary housings provided on their side faces with a plurality of small holes that allow air circulation through them, the holes without a regular pattern, in the lower housing (1) extend along (18) and in the upper housing cross the surface in a strip central (17); the auxiliary housings have assembly ribs on the side edges, such as the rib (19) of the upper housing, through said ribs the auxiliary housings are screwed to the main housing to be attached thereto, both housings are made of fiber of glass; but the main one is white and the auxiliaries are blue in this preferred mode.
  • the current is circulated through the turns formed in three layers of the coil (10) to generate the magnetic field whose field lines are located along the circular space of the PVC pipe.
  • the field LED is activated when the electromagnetic field is monitored and it is verified that it is within the acceptable operating limits, otherwise, the service LED is continuously blinking to indicate that there is an anomaly.
  • the circuit that controls the on and off of the three fans has a switch with a transistor that is activated by the microcontroller when starting the arm device with the coil generating magnetic field, the work of the fans is to ensure that the coil Keep at an acceptable temperature.
  • the voltage supply to the coil is activated with a circuit with a transistor in switch configuration that controls the activation of the coil and therefore the magnetic field production, the field is monitored through a resistor connected in series with the coil.
  • the voltage is converted to a DC voltage by means of the AD536 circuit and subsequently converted to a digital signal, a work that the microcontroller performs.
  • Figure 4 shows a cross-section of the arm apparatus of the present invention, in which the radial location of each element is shown, in the center the PVC tube (4) and the coil (wound on the outer face thereof) 10) that produces the required magnetic field whose flow lines pass through the space defined by the tube (4), there are two lower and one upper fans (40) that together keep the coil stable in temperature since at He passed of the current generates heat, attached to the flat area of the main housing and on the inner side of it the control card (11) is placed that contains the appropriate and pertinent circuits for the operation of the arm apparatus of the present invention , associated to the control card (11) are the buttons (16), the display screen (15) and the half circle of indicator LEDs (not shown).
  • the lower auxiliary housing (3) and on the outer face 10 of the flat area contains two rows of non-skid rubbers (6) with which the apparatus of the present invention rests on any flat surface, at the connecting edge between the housing upper (1) and lower housing (3) and on the side end is the power outlet (5) that allows the power supply of the device. This power comes from a power source attached to it.
  • Figure 5 shows a perspective view of the power source that feeds the arm equipment of the present invention, whose exterior consists of two housings, one upper (52) and one lower (51), the upper housing contains a plurality of holes (53) that allow ventilation and therefore cooling of the interior thereof, the side hole (54) is for connection to the arm apparatus of the present invention, that is, corresponds to the energy outlet, said source contains inside a chassis, a transformer, an assembly card, an eliminator, not shown.
  • Figure 6 shows a top view without the upper housing, that is to say without a cover, where the elements of said power source that feeds the arm equipment of the present application are shown, the position of the electrical connection (61) is shown. , the eliminator (62) on the assembly card (63) that is secured to the lower housing by the clamping means (64); The location of the transformer (65) that feeds power to the connection (54) towards the arm apparatus is also shown.
  • Figure 7 is a perspective view of the exploded power source, the upper housing (52) with the distribution of holes (53) on the upper face, the transformer (65) the eliminator (62) and the electrical connection (61), mounted on the assembly card (63), which a in turn it is assembled in the internal chassis of the lower housing (51), on the side face of the housing (51) the connection port (54) is placed to the arm equipment of the present application.
  • the housings are assembled through fastening means or screws.

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Magnetic Treatment Devices (AREA)
  • Electrotherapy Devices (AREA)

Abstract

L'invention concerne un équipement de bras pour l'application d'un champ électromagnétique à modules de commande numérique et interface, formé d'un microcontrôleur qui surveille le courant et le champ électromagnétique, le déploiement de l'information; un générateur de champ avec un signal de 15 VCA et 2A, lequel est redressé et converti à une fréquence de 120Hz; des bobines qui génèrent un champ magnétique uniforme de 9 Gauss à l'intérieur de la carcasse; un capteur de courant qui surveille le courant relativement au champ magnétique produit. Les parties du dispositif se placent dans et sur des carcasses. A l'intérieur du centre creux desdites carcasses est placé l'avant-bras devant être irradié par le champ, la carcasse principale présente une fixation de ventilateurs utilisés pour refroidir les bobines, une source d'alimentation avec éliminateur et transformateur qui fournit l'énergie à la bobine, des ventilateurs et une carte de commande.
PCT/MX2011/000003 2009-12-21 2011-01-05 Équipement de stimulation électromagnétique pour le traitement systémique sur le bras de plaies chroniques, l'activation de l'angiogenèse et l'augmentation de la perméabilité vasculaire WO2011078645A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
MX2010000097 2009-12-21
MXMX/A/2010/000097 2009-12-21

Publications (2)

Publication Number Publication Date
WO2011078645A2 true WO2011078645A2 (fr) 2011-06-30
WO2011078645A3 WO2011078645A3 (fr) 2011-11-24

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PCT/MX2011/000003 WO2011078645A2 (fr) 2009-12-21 2011-01-05 Équipement de stimulation électromagnétique pour le traitement systémique sur le bras de plaies chroniques, l'activation de l'angiogenèse et l'augmentation de la perméabilité vasculaire

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4932951A (en) * 1988-03-23 1990-06-12 Life Resonances, Inc. Method and apparatus for controlling tissue growth and an applied fluctuating magnetic field
DE19824504A1 (de) * 1998-06-02 1999-12-09 Albrecht Struppler Vorrichtung zur Stimulation eines Körperteils
WO2001015770A2 (fr) * 1999-08-27 2001-03-08 Luis Canedo Procede electromagnetique permettant de traiter des lesions liees a une perfusion sanguine inadaptee, une denervation partielle, une perte tissulaire, la douleur, un oedeme, une inflammation et infection
EP2113284A1 (fr) * 2008-04-30 2009-11-04 Neue Magnetodyn GmbH Dispositif de stimulation d'un processus de guérison

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4932951A (en) * 1988-03-23 1990-06-12 Life Resonances, Inc. Method and apparatus for controlling tissue growth and an applied fluctuating magnetic field
DE19824504A1 (de) * 1998-06-02 1999-12-09 Albrecht Struppler Vorrichtung zur Stimulation eines Körperteils
WO2001015770A2 (fr) * 1999-08-27 2001-03-08 Luis Canedo Procede electromagnetique permettant de traiter des lesions liees a une perfusion sanguine inadaptee, une denervation partielle, une perte tissulaire, la douleur, un oedeme, une inflammation et infection
EP2113284A1 (fr) * 2008-04-30 2009-11-04 Neue Magnetodyn GmbH Dispositif de stimulation d'un processus de guérison

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
CANEDO-DORANTES L.: 'Healing of chronic arterial and venous leg ulcers with systemic electromagnetic fields' ARCHIVES OF MEDICAL RESEARCH vol. 33, 2002, pages 281 - 289 *

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