# US 2014/0194955 A1 · Device and Method of Treating Fungal Nail Infections

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- Number: US 2014/0194955 A1
- Document ID: US20140194955A1
- Status: Published application
- Kind: A1
- Application number: 14/142,050
- Filed: 2013-12-27
- Published: 2014-07-10
- Earliest claimed: 2011-07-03
- Assignees: Gadi Presburger; Asaf Tenne; M.B. Mazor Consulting and Services Ltd; Medical Quant Ltd; Amos Thein
- Applicants: M.B. Mazor Consulting and Services Ltd; Medical Quant Ltd
- Inventors: Moshe POVOLOSKY; Gal Elchanan GOTLIEB
- Web page: https://patentgrep.com/patent/US20140194955A1

## CPC

- A61N 5/0624: {for eliminating microbes, germs, bacteria on or in the body}
- A61N 2/002: {in combination with another treatment}
- A61N 2/004: {specially adapted for a specific therapy}
- A61N 2005/0645: {Applicators worn by the patient}
- A61N 2005/0659: {infrared}
- A61N 2005/0662: {Visible light}
- A61N: ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY (measurement of bioelectric currents A61B; surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body A61B18/00; anaesthetic apparatus in general A61M; incandescent lamps H01K; infrared radiators for heating H05B)

## Abstract

Methods and devices of treating fungal nail infections are disclosed. A portable device for treating fungal nail infections includes an irradiator configured to irradiate light of at least first and second types, and an attaching element configured to attach the radiator to a digit having a nail which is infected by a fungal infection, and to position the irradiator at a position suitable to irradiate at least part of the nail.

## Claims

### Claim 1

A portable finger clip device for treating fungal nail infections, comprising:
an irradiator configured for irradiating the treated area, comprising at least one blue light emitting diode (LED) as a first light source and at least one IR laser light as a second light source, housed therein;
a power source; and
a controller for controlling said at least one blue (LED) and said at least one IR laser light source,
wherein said controller is adapted to control said irradiator to generate said red light and/or said blue light according to a suitable frequency scheme; said frequency scheme includes blue light irradiation at a wavelength of between 390 nm and 500 nm and said red light irradiation at a wavelength of between about 600 nm and about 950 nm; further wherein said blue LED source and said IR laser light source are arranged in a geometric array such that the projected beams of said light sources are configured to at least partially overlap said treated area.

### Claim 2 (depends on 1)

The device of claim 1, wherein said blue light is preferably at a wavelength of about 470 nm.

### Claim 3 (depends on 1)

The device of claim 1, wherein said irradiator comprises at least two blue LEDs and one IR laser light to generate blue light with red light relatively said IR laser light provides low power level of about 25W.

### Claim 4 (depends on 1)

The device of claim 1, wherein said at least one light source comprises a light configured for nail therapy, pain treatment and in parallel therapy of skin surrounding said fungal infection.

### Claim 5 (depends on 1)

The device of claim 1, wherein said red light is preferably at a wavelength of about 905 nm.

### Claim 6 (depends on 1)

The device of claim 1, wherein said frequency scheme includes a first sequence of frequencies increasing linearly and continuously from a first frequency to a second, greater, frequency, and a second sequence of frequencies decreasing linearly and continuously from the second frequency to the first frequency.

### Claim 7 (depends on 1)

The device of claim 1, wherein irradiator is adapted to irradiate first frequency comprising a frequency of about 100 Hertz (Hz), and said second frequency comprising a frequency of about 3000 Hz.

### Claim 8 (depends on 1)

The device of claim 1, wherein at least one of the following holds true:
said irradiator is adapted to irradiate said first light source during a first irradiation period, and substantially and simultaneously to irradiate said second light source during a second irradiation period: said first and second irradiation periods are at least partially overlap; and
said irradiator is used for irradiating said red light and/or said blue light according to a frequency scheme including a first sequence of frequencies increasing continuously from a first frequency to a second, greater, frequency, and a second sequence of frequencies decreasing continuously from the second frequency to the first frequency.

### Claim 9

A method of using a device for irradiating an infected fungal nail comprising steps of:
providing a portable finger clip device for treating fungal nail infections, comprising:
i. an irradiator configured for irradiating the treated area, comprising at least one blue light emitting diode (LED) as a first light source and at least one IR laser light as a second light source, housed therein;
ii. a power source; and,
iii. a controller for controlling said at least one blue (LED) and said at least one IR laser light source;
providing a frequency scheme;
positioning said irradiator upon said treated area at a position suitable to irradiate at least partly of said nail; and
operating said irradiator to irradiate light of at least one said blue light source and at least one said red light source on at least a portion of said treated area,
wherein said method additionally comprising steps of irradiating at least one said blue light source and/or at least one said red light source according to a suitable frequency scheme comprising said blue light at a wavelength of between 390 nm and 500 nm and said red light in a wavelength of between 600 nm and 950 nm; said frequency scheme including a first sequence of frequencies increasing linearly and continuously from a first frequency to a second, greater frequency, and a second sequence of said frequencies decreasing linearly and continuously from said second frequency to said first frequency.

### Claim 10 (depends on 9)

The method of claim 9, wherein said steps of irradiating said blue light at a wavelength of about 470 nm.

### Claim 11 (depends on 9)

The method of claim 9, wherein said steps of irradiating said red light at a wavelength of about 905 nm.

### Claim 12 (depends on 9)

The method of claim 9, wherein said method additionally comprising steps of irradiating first frequency of about 100 Hertz (Hz), and second frequency of about 3000 Hz.

### Claim 13 (depends on 9)

The method of claim 9, wherein said step of irradiating said first light source is during a first irradiation period, and said irradiating said second light source is during a second irradiation period; said first and second irradiation periods are at least partially overlap.

### Claim 14 (depends on 9)

The method of claim 9, wherein said method additionally comprising step of providing said blue LED source and said IR laser light source, configured to overlap said treated area such that said irradiator emits light in wavelength frequencies at a predetermined treatment power.

### Claim 15 (depends on 9)

The method of claim 9, wherein at least one of the following holds true:
irradiating said red light according to a frequency scheme including a first sequence of frequencies increasing continuously from a first frequency to a second, greater, frequency, and a second sequence of frequencies decreasing continuously from the second frequency to the first frequency; and
irradiating said blue light according to a frequency scheme including a first sequence of frequencies increasing continuously from a first frequency to a second, greater, frequency, and a second sequence of frequencies decreasing continuously from the second frequency to the first frequency;

### Claim 16 (depends on 1)

The device of claim 1, wherein said device further comprising a lower gripping element and an upper gripping element opposed to one another; said lower and upper gripping element are pivotally attached to a spring portion to keep the clip closed around a toe or finger; said clip incorporates at least one blue light LEDs and at least one IR laser light mounted in said clip for irradiating light toward said nail when the clip is closed around said said toe or said finger.

### Claim 17 (depends on 1)

The device of claim 1, wherein said at least one light source comprises a light configured for nail therapy, pain treatment and in parallel skin therapy, surrounding said fungal infection.

### Claim 18 (depends on 1)

The device of claim 1, wherein said device further comprises a separator configured to at least partially separate said irradiator and/or other portions of said device from said treated area.

### Claim 19 (depends on 1)

The device of claim 1, wherein at least one of the following holds true:
said geometric array has a configuration selected from the group consisting of:
polygon, square, triangle, hexagon, sphere, hemisphere, cylinder, circle, ellipse, rectangles, T-shape, bow tie or any polygon; and
said geometric array has a three-dimensional (3D) or two-dimensional array configuration.

### Claim 20 (depends on 1)

The device of claim 1, wherein at least one of the following holds true:
said configuration of said geometric array further comprises at least two light source positioned in a pattern selected from the group consisting of: polygon, square, triangle, hexagon, sphere, hemisphere, cylinder, circle, ellipse, rectangles, T-shape, bow tie or any polygon, within the interior of said configuration for distributing light;
said geometric array of said light sources for providing an optimal overlapped light beam on said treated area is adjusted according to variables selected from the group consisting of the position of said light sources, the intensity of said light sources, the distance between light sources, the optimal frequency for treating said treated area; and
said geometry arrangement of said light sources of said laser and at least said one LED are within an acceptance angle adjusted to about 6.9 mm distance between said light sources.

### Claim 21 (depends on 1)

The device of claim 1, wherein said blue light source is with a beam divergence of about 9×25 degree.

### Claim 22 (depends on 1)

The device of claim 1, wherein said red light source is with a beam divergence of about 120 degree.

### Claim 23 (depends on 1)

The device of claim 1, wherein said light sources produce an extended source having average acceptance angle of about 35 mR.

### Claim 24 (depends on 1)

The device of claim 1, wherein said fungal infections are selected from the group consisting of: distal lateral subungual Onychomycosis (DLSO), white superficial Onychomycosis (WSO), proximal subungual Onychomycosis (PSO), endonyx Onychomycosis (EO), and candidal Onychomycosis and any related disorder.