Conformal treatment device for delivering radiation

• US 10,639,497 B2
• Filed: 07/07/2016
• Issued: 05/05/2020
• Est. Priority Date: 07/07/2015
• Status: Active Grant

• Current Assignee: LaserCap Company
• Original Assignee: LaserCap Company
• Inventors: Rabin, Michael I., Smith, David Arthur
• Primary Examiner(s): Luan, Scott
• Application Number:
  US15/204,510
• Publication Number:
  US 20170007846A1
• Time in Patent Office: 1,398 Days
• CPC Class Codes: A61N 2005/063 comprising light transmitting means, e.g. optical fibres
• CPC Class Codes: A61N 2005/0647 the applicator adapted to be worn on the head
• CPC Class Codes: A61N 2005/0652 Arrays of diodes
• CPC Class Codes: A61N 2005/0659 infrared
• CPC Class Codes: A61N 2005/0661 ultraviolet
• CPC Class Codes: A61N 2005/0662 Visible light
• CPC Class Codes: A61N 5/0617 Hair treatment
• CPC Class Codes: A61N 5/067 using laser light

Abstract

A treatment device configured to illuminate a surface of a 3D skin surface when positioned adjacent the illuminated surface of the 3D skin surface. The treatment device includes a number of linear light source strips to conformally illuminate the 3D skin surface.

Claims

1. A medical or cosmetic treatment device configured to illuminate a surface of a 3D skin surface when positioned adjacent the illuminated surface of the 3D skin surface, the medical or cosmetic treatment device comprising:

a plurality of linear light source strips, wherein;

each linear light source strip includes a plurality of light sources;

each linear light source strip has an origination point and a termination point;

for a given linear light source strip, each light source of the given linear light source strip is arranged between the origination point and the termination point;

controller circuitry electrically connected to each of the plurality of linear light source strips, wherein;

the controller circuitry is configured to provide electrical power to each of the plurality of linear light source strips; and

a joining member configured to attach to the termination point of a majority of the plurality of linear light source strips, such that;

the plurality of linear light source strips are arranged to form a three-dimensional (3D) surface; and

the combined light emitted by the light sources of the plurality of linear light source strips illuminates the surface of the 3D skin surface when positioned adjacent the 3D skin surface;

wherein the plurality of linear light source strips are arranged in a fan like shape and, within the fan like shape, the linear light source strips are arranged in a palmate pattern on a concave interior surface of a supporting 3D concave shape.

2. The medical or cosmetic treatment device of claim 1, wherein the controller circuitry comprises a hub of the fan like shape.

3. The medical or cosmetic treatment device of claim 2, wherein the controller circuitry comprises two more distinct sub-controllers and the sub-controllers each comprise the hub of a subgroup of the plurality of linear light source strips.

4. The medical or cosmetic treatment device of claim 1, wherein the linear light source strips have different lengths.

5. The medical or cosmetic treatment device of claim 1, wherein the spacing between at least some of the adjacent linear light source strips is adjustable.

6. The medical or cosmetic treatment device of claim 1, wherein the joining member comprises an arc-shaped slice.

7. The medical or cosmetic treatment device of claim 1, wherein the plurality of linear light source strips are arranged such that the plurality of linear light source strips do not overlap.

8. The medical or cosmetic treatment device of claim 1, wherein the 3D surface is adjustable to illuminate the surface of 3D skin surfaces having different sizes.

9. The medical or cosmetic treatment device of claim 1, wherein the controller circuitry is configured to individually and separately provide electrical power to each linear light source strip.

10. The medical or cosmetic treatment device of claim 1, wherein the controller circuitry is configured to provide power to the plurality of linear light source strips, such that the plurality of linear light source strips are illuminated in a pattern where all of the plurality of linear light source strips are not simultaneously illuminated.

11. The medical or cosmetic treatment device of claim 1, further comprising a power supply configured to supply electrical power to the controller circuitry.

12. The medical or cosmetic treatment device of claim 11, wherein the power supply comprises a battery or a connector to an external power supply.

13. The medical or cosmetic treatment device of claim 11, wherein the power supply comprises a battery located adjacent the controller circuitry.

14. The medical or cosmetic treatment device of claim 1, wherein the plurality of light sources are either laser diodes, light emitting diodes (LEDs), or a combination of laser diodes and LEDs.

15. The medical or cosmetic treatment device of claim 1, wherein the plurality of light sources emit electromagnetic radiation within a range of wavelengths or set of wavelengths having a known therapeutic effect.

16. The medical or cosmetic treatment device of claim 15, wherein the plurality of light sources emit electromagnetic radiation having wavelengths chosen from at least one of the set of ultraviolet, visible, and infrared.

17. The medical or cosmetic treatment device of claim 15, wherein the plurality of light sources collectively emit electromagnetic radiation having wavelengths in two different wavelength ranges, each light source emitting light in only one of the two different wavelength ranges.

18. The medical or cosmetic treatment device of claim 17, wherein the two different wavelength ranges are chosen from at least one of the set ultraviolet, visible, and infrared.

19. The medical or cosmetic treatment device of claim 1, further comprising a light diffuser, wherein:

the light diffuser includes a surface;

the plurality of linear light source strips are mounted adjacent the surface of the light diffuser;

each light source of the plurality of linear light source strips emits electromagnetic radiation towards the diffuser;

the light diffuser is configured to reflect, scatter, and/or refract light in order to provide uniform illumination to the surface of the 3D skin surface.

20. The medical or cosmetic treatment device of claim 1, further comprising a diffuser, wherein:

the diffuser is mounted adjacent an interior convex surface of the 3D surface;

each light source of the plurality of linear light source strips emits electromagnetic radiation towards the diffuser;

the diffuser is configured to scatter and/or refract light in order to provide uniform illumination to the surface of the 3D convex skin surface.

21. The medical or cosmetic treatment device of claim 1, further comprising an inner layer comprising a surface including a plurality of light covering elements positioned to receive the light sources of the linear light source strips, wherein each light covering element forms a structure shaped to receive a light emission end of one of the light sources of the plurality of linear light source strips.

22. The medical or cosmetic treatment device of claim 21, wherein the light covering elements are configured to act as light guides to direct light emitted by the light sources away from the light sources.

23. A method of manufacturing treatment device configured to illuminate a surface of a 3D skin surface, the method comprising:

overlying an adhesive layer on a back surface of an array of a plurality of linear light source strips, such that the adhesive layer adheres to the back surface of the array, wherein;

each linear light source strip of the plurality of linear light source strips includes a plurality of light sources connected to a substrate;

the substrate forms a back surface of the array;

each light source includes a light emission end and a base end opposite the light emission end;

the base end of each light source is connected to the substrate;

each of the plurality of linear light source strips are connected to an origin point of the array;

the linear light source strips fan out from the origin point;

the adhesive layer includes a first surface that adheres to the back surface of the array and a second surface opposite the first surface;

overlying an outer layer on the second surface of the adhesive layer;

connecting controller circuitry to the array, wherein the controller circuitry provides electrical power to the light sources of the array;

connecting to a joining member each linear light source strip at a terminating end opposite the origin point, such that the linear light source strips of the array are arranged to form a three-dimensional (3D) surface such that the combined light emitted by the light sources of the plurality of linear light source strips illuminates the surface of the 3D skin surface when positioned adjacent the 3D skin surface;

wherein the plurality of linear light source strips are arranged in a fan like shape and, within the fan like shape, the linear light source strips are arranged in a palmate pattern on a concave interior surface of a supporting 3D concave shape.

24. The method of claim 23, further comprising:

overlying an inner layer on a front surface of the array, wherein the inner layer comprises a surface including a plurality of light covering elements positioned to receive the light sources of the array.

25. The method of claim 24, wherein overlying the inner layer on the front surface of the array includes positioning the light emission end of each of the light sources of the array into a light covering element projecting from the surface of the inner layer.

26. The method of claim 23, wherein the adhesive layer comprises:

a pressure sensitive adhesive on the first surface that is applied to the back surface of the array;

a heat activated adhesive or a second pressure sensitive adhesive on the second surface that is applied to the outer layer.

27. The method of claim 26, further comprising heat curing the adhesive layer after connecting each linear light source strip at the terminating end to adhere the outer layer and the adhesive layer.

28. The method of claim 23, wherein at least one of the array, adhesive layer, or outer layer is die cut or laser cut.

29. The method of claim 23, wherein each linear light source strip is connected at the terminating end to a joining member.

30. The method of claim 29, further comprising:

prior to connecting each linear light source strip to the joining member, cutting the combination of the array, adhesive layer, and outer layer, wherein the cutting comprises;

forming a joining hole at the terminating end of each linear light source strip opposite the origin point, wherein each linear light source strip is joined to the joining member via the joining hole.

31. The method of claim 30, wherein:

prior to cutting the array, adhesive layer, and outer layer, the array of linear light source strips comprises a sheet including a plurality of light sources positioned such that the plurality of light sources form the plurality of linear light source strips when the array is cut.

32. The method of claim 31, wherein:

the joining member comprises an arc-shaped slice; and

connecting the linear light source strips to the joining member comprises positioning a terminating point of each linear light source strip in a receiving structure of the joining member such that projections located within the receiving structure of the joining member interact with the joining hole of each linear light source strip.

33. The method of claim 23, wherein:

the joining member comprises an arc-shaped slice;

connecting the linear light source strips to the joining member comprises positioning the terminating end of each linear light source strip in a receiving structure of the joining member such that the linear light source strips are maintained in the formed 3D surface.

34. The method of claim 23, wherein the array of linear light source strips is formed by affixing separate linear light source strips to an origin structure.

35. The method of claim 23, wherein the array of linear light source strips is symmetric about a central axis perpendicular to one or more base linear light source strips.

36. The method of claim 23, wherein the controller circuitry is connected to the light source strip array near the origin point.

37. The method of claim 23, wherein the controller circuitry is connected to the array by electrically connecting the controller circuitry to electrical leads supplying power to each of the plurality of linear light source strips.

38. The method of claim 23, wherein the controller circuitry is physically connected to the outer layer.