ES2318950B1 - TRANSCUTANEOUS LASER THERAPY APPLIANCE USING AN ORGANIC LIGHT EMISSION DEVICE. - Google Patents

Abstract

Transcutaneous laser therapy device using an organic light emitting device.

The object of the invention consists of an apparatus Laser low intensity therapy of transcutaneous application by a device composed of Light Emitting Diodes Organic and you have programmed laser energy density to the treatment of different medical pathologies.

Description

Transcutaneous laser therapy device using an organic light emitting device.

Technical sector

The present invention relates to an apparatus of low intensity laser therapy and specifically to a team to its transcutaneous application using a diode composite device Organic Light Emitters (OLED) for the treatment of different medical pathologies

State of the art

The low intensity laser is applied therapeutically radiating body surface areas for the treatment of multiple diseases based on the effects biochemical, bioelectric and bioenergetic that produce photons in its interaction with biological structures. These applications Therapeutics extend to different medical specialties: traumatology rheumatology, dermatology, vascular, dentistry and neurology. (Jan Tuner and Lars Hode: Laser Therapy. Clinical practice and scientific background. Prima Books Sweden 2002).

The main current techniques of the Low intensity laser therapy application are performed through the contact technique and the non-contact technique.

In the application of laser radiation by the contact technique the therapist manually applies the probe laser at one point contacting the skin, needing a sweep points to treat large areas. There are probes in cluster composed of a certain number of laser diodes that Expand the contact area.

The limitation of the application technique of Low intensity laser by contact technique is the no existence of application of large areas transcutaneously of automatic way.

In the application of the non-contact technique, it usually radiates the scanning laser beam on the tissue treated. Large areas are treated as well as little.

The limitation currently of the application of the non-contact technique is that the beam goes through a certain space to reach the therapeutic goal, glasses are needed of protection for the sick and for the therapist, they need optical components for beam defocusing and a room specific for the location of the laser equipment. In addition the laser is radiates sequentially in an area not simultaneously on The whole area.

The laser therapy equipment is currently developed in the solid state or by laser diodes semiconductor (LED). LEDs are made of rigid materials in semiconductor layers. Patents KR264717, WO 9526217, GB2212010,  DE10116664 and US2005256554.

Recently the Diodes have been developed Organic Light Emitters whose acronym OLED comes from the English words Organic Light Emitting Diode. WO patent 2006001988.

There are OLEDs of "small molecule" and of "large molecule". OLEDs of large molecule whose acronym PLED comes from the English words Polymer Ligth Emitting Diode. Organic light emitting diodes are composed of a layer of luminescent organic polymer material located between two one devices on each side, one of them performs the function of anode and is deposited on a transparent material that allows the passage of the beam (such as glass or plastic) and the other device formed by a metallic layer fulfilling the function of cathode that It would act as a reflector. The principle of operation is the electroluminescence produced by the organic material when recombine positive and negative charges when a potential potential difference or voltage (typically 2 to 10 Vcc)

OLEDS emit wavelengths included in the range of visible light. infrared and ultraviolet being the wavelength of the light emitted depending on the organic material used.

OLEDs are currently used in monitors, computers, display and decoration. The advantages of OLEDs are Less consumption, lower production cost and flexible material. (Scientific American. February 2004, 64-69).

20-inch (50.8 cm) OLEDs have been achieved diagonal) consuming 25 W and with a performance of 300 Candles / m2.

There is currently no laser device low intensity therapy using devices composed of organic light emitting diodes.

Explanation of the invention.

The present invention relates to an apparatus of low intensity laser therapy for transcutaneous application by device composed of OLED.

The device consists of a power supply (which may include circuitry as a battery charger) and control circuit that includes a microprocessor and generator current that stimulates the OLED device that produces a laser beam of visible, infrared or ultraviolet light and that is in contact with the body surface being its dorsal face of opaque material (cathode). The microprocessor executes a program loaded in a non-volatile memory so that the parameters are stored of dosage for each pathology depending on the area of the device. This program can be updated with new pathologies, uses or modifications of those already stored.

The advantages of this mode of application of low intensity laser therapy are: reuse capacity for an indeterminate number of sessions; therapeutic action in large areas: non-invasive and painless technique; transcutaneous placement; Instant and instant application: cheap: flexible material; offers multiple treatment pathologies; expandable utility; Home and portable application: simple use by the user and automatic operation. Since the laser is located in the part in contact with the skin and in the upper part being of opaque material (cathode) it is not necessary to wear glasses for therapeutic use by the patient, nor the therapist (if any). OLEDs last tens of thousands of hours (several years) of regular use, and when used with connectors are
replaceable

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Description of the drawings

Fig. 1: Electrical block diagram of the device of OLED transcutaneous laser therapy. Power supply or battery (1), keypad (2), control circuit (3) consisting, as main elements: the microprocessor (4), memory (5) and trip circuit (6), laser OLED device (7), cable connection (8) and screen (9).

Fig. 2: Top view of the therapy device OLED transcutaneous laser where the keypad (10) is indicated, cable connection (11), laser OLED device (12) and display (13).

Fig. 3: Bottom view of the therapy device OLED transcutaneous laser where the lid of the battery or battery compartment (14), connection cable (15), fixing adhesive (16) and OLED device (17).

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Embodiment

The OLED transcutaneous laser therapy device It consists of the device itself where the source of power or battery (1), control circuit (3), keypad (2), screen (9) and the laser OLED device (7) that connects to the first through the connection cable (8).

The power supply or battery (1) It supplies the power for operation.

The control circuit is composed of a microprocessor (4), memory (5) and trip circuit (6) for the excitation of the laser OLED device.

The OLED laser device generates a laser beam of visible, infrared or ultraviolet light.

The control circuit is composed of a microprocessor (4) that governs the operation of the apparatus and run a program that is contained in memory (5) not volatile. The memory can be incorporated in the own microprocessor or external being. The program is used to control the device picking up the keypad orders and showing information on the screen. The keypad and the screen are the medium of interacting with the user. On the screen (which can be LCD, OLED or other technology deemed convenient) is controlled by the microprocessor and displays information such as the selected pathology, elapsed and remaining time of treatment or other information towards the user or therapist.

The control program is stored in memory of the OLED transcutaneous laser therapy device, as well as the different dosages of energy density for the Treatment of each disease.

The dosage of the laser energy applied in each treatment according to its pathology is based on the parameters to calculate the energy density (J / cm2), average power (W), energy (J) and the surface area of treatment
(cm2).

The treatment surface is given by the OLED area used, since it has some connectors and It can be exchanged as directed by the therapist.

From the above we obtain an energy density different for each clinical situation according to the formula:

J / cm2 = \ frac {\ text {Average power (W) x Exposure time (s)}} {Area \ Of the surface \ (cm2)

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The average power is calculated as next:

Medium power (Wm) = Wp x Tp x F

Where Wm is the average power (W), Wp is the peak power (W), Tp is the pulse duration (ns or ms) and F the pulse rate (Hz).

Therefore for an area of the surface to be treated given by the dimensions of the OLED device, the parameters variables will be the variable average power according to the factor of Pulse service, pulse rate and time of exposure or treatment

According to the selected pathology and the area of the surface of the connected OLED device, the microprocessor will calculate the treatment time based on the information stored with respect to the pulse duty cycle and frequency of the pulses that experts have been able to determine according to the Different studies and experiences.

The bottom of the OLED device (17) is transparent to allow the emission of laser radiation and performs the function of anode, the cathode of the upper part being OLED laser, reflective towards the emitting part and opaque towards the exterior (6) thus allowing to avoid the use of glasses protective for the user and the therapist himself, since the OLED device is already fixed in the treatment area.

An adhesive system (16) allows fixing the OLED to the body surface over the area to be treated.

The present invention is further illustrated. using the following example of the treatment parameters, the which are not intended to be limiting of its scope.

Example Sprain Treatment

Therapeutic objective: Manage a density of energy of 2 J / cm2.

According to the formula:

Time = \ frac {4 \ J / cm2} \ x \ 36 \ cm2} {100 \ x \ 10 ^ - 3} \ W} = 1440 \ s = 24 \ m

The energy density (4 J / cm2)

The power of OLED (100 mW)

The surface of the OLED (36 cm2)

Irradiation time = 24 minutes

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Industrial application

In the area of electromedicine, physiotherapy, rehabilitation, aesthetics, dentistry, veterinary.

Claims (8)

1. Transcutaneous laser therapy device using an organic light emitting device characterized in that it consists of a power source or battery (1) that feeds the control circuit (3) of the operation of the device and the polarization circuit of a device Organic light emitting diode (OLED) that generates laser radiation for transcutaneous application. 2. Transcutaneous laser therapy apparatus using an organic light emitting device according to claim 1, characterized in that it contains an organic light emitting diode (OLED) device (7) that generates a low, visible, infrared or ultraviolet light laser intensity. The external configuration of the OLED may vary in shape, number and size. 3. Transcutaneous laser therapy apparatus using an organic light emitting device according to claims 1 and 2, characterized in that it contains a control circuit (3) composed of a microprocessor (4), memory (5) and trip circuit (6 ) for the excitation of the laser OLED device (7), connected to a power source or battery (1). 4. Transcutaneous laser therapy apparatus using an organic light emitting device according to the preceding claims, characterized in that the emission of the generated laser can be of one or several wavelengths simultaneously or sequentially and continuous operation or at fixed frequency pulses or variable 5. Transcutaneous laser therapy device using an organic light emitting device, according to the preceding claims, characterized in that it can have a memory storing the parameters for the treatment of different pathologies and which can be updated with new treatments or modifications of those already stored. 6. Transcutaneous laser therapy device using an organic light emitting device, according to the preceding claims, characterized in that it may or may not have an LCD or OLED display and different controls, buttons and indicators for user interaction. 7. Transcutaneous laser therapy apparatus using an organic light emitting device according to the preceding claims, characterized in that it could have a configuration mode so that the therapist could modify some stored parameter to adapt the treatment to special cases or non-stored pathologies. 8. Transcutaneous laser therapy apparatus using an organic light emitting device, according to the preceding claims, characterized in that it is of industrial application in the areas of electromedicine, physiotherapy, rehabilitation, aesthetics, dentistry and veterinary medicine, with advantages of use by the patient of Immediate and instant, non-invasive techniques and easy to use and operate. In addition, OLEDs have a long duration with regular use.