Dermatological Apparatus and Method

• US 20090118720A1
• Filed: 12/31/2008
• Published: 05/07/2009
• Est. Priority Date: 12/12/2001
• Status: Abandoned Application

• Current Assignee: Reliant Technologies, Inc. (Bausch Health Cos., Inc.)
• Original Assignee: Reliant Technologies, Inc. (Bausch Health Cos., Inc.)
• Inventors: Black, Michael, Eimerl, David
• Application Number:
  US12/347,629
• Publication Number:
  US 20090118720A1
• Time in Patent Office: Days
• US Class Current: 606/9
• CPC Class Codes: A61B 18/203 applying laser energy to the outside of the body
• CPC Class Codes: A61B 2017/00057 Light
• CPC Class Codes: A61B 2018/00452 Skin
• CPC Class Codes: A61B 2018/208 with multiple treatment beams not sharing a common path, e.g. non-axial or parallel

Abstract

A dermatological laser apparatus in accordance with the present invention may comprise a plurality of laser light sources, a corresponding plurality of optical delivery pathways, and a focusing system. The dermatological laser apparatus may also comprise a control system for controlling the operation of the plurality of laser light sources to generate a broad range of therapeutic treatment patterns on or within a layer of skin.

Claims

1. (canceled)

2. A dermatological apparatus, comprising:

a plurality of light sources;

a plurality of optical waveguides each having a proximal end and a distal end, the proximal end of each optical waveguide connected on a one-by-one basis to a respective one of said plurality of light sources wherein each light source in said plurality of light sources is capable of delivering a light beam through its connected optical waveguide to the distal end of said connected optical waveguide;

a control means to select and control said plurality of light sources to deliver two or more of said light beams; and

a focusing means positioned between the distal ends of the optical waveguides and a targeted portion of a human skin, the distal ends of the optical waveguides separated from the focusing means by varying distances so as to focus the power of said delivered light beams in a non-overlapping pattern at varying depths underneath a surface of said targeted portion of said human skin.

3. The apparatus as set forth in claim 2, further comprising a skin deformation means to deform said targeted portion of said human skin, wherein said skin deformation means comprises a vacuum means to apply a vacuum at said targeted portion of said human skin.

4. The apparatus as set forth in claim 3, wherein said vacuum means further comprises a means for adjusting said vacuum to create an appropriate skin deformation.

5. The apparatus as set forth in claim 2, further comprising a viewing means to enable a user to view said targeted portion of said human skin, wherein said viewing means comprises a coating to protect said user'"'"'s eyes from reflections of said delivered light beams.

6. The apparatus as set forth in claim 2, wherein said focusing means is also a skin deformation means to deform said targeted portion of said human skin.

7. The apparatus as set forth in claim 2, wherein said focusing means is a spherical lens.

8. The apparatus as set forth in claim 2, wherein said plurality of light sources are diodes lasers.

9. The apparatus as set forth in claim 2, wherein said plurality of light sources have wavelengths ranging from 400 nm to 5 μ

m.

10. The apparatus as set forth in claim 2, wherein at least two of said plurality of light sources have different wavelengths resulting in different dermatological effects.

11. The apparatus as set forth in claim 2, wherein said pattern is a randomized pattern of said delivered light beams and said control means is programmable to select from among different randomized patterns.

12. The apparatus as set forth in claim 2, wherein said pattern is a programmed pattern of said delivered light beams and said control means is programmable to select from among different programmed patterns.

13. The apparatus as set forth in claim 2, wherein said pattern of said delivered light beams comprises two or more different wavelengths and said control means is programmable to select from different patterns that implement different treatments for the human skin.

14. The apparatus as set forth in claim 2, wherein said control means is programmable to select from different patterns by controlling light beam parameters of said plurality of light sources, wherein said light beam parameters comprise light beam timing, light beam duration or light beam power.

15. The apparatus as set forth in claim 2, wherein said plurality of optical waveguides are optical fibers.

16. The apparatus as set forth in claim 2, further comprising an infrared camera to record reflected radiation from said targeted portion of said human skin.

17. The apparatus as set forth in claim 16, further comprising a means for displaying data of said recorded radiation.

18. The apparatus as set forth in claim 2, further comprising a means to dispose a chemical agent to make said skin more transparent.

19. The apparatus as set forth in claim 2, wherein the focusing means focuses the power of said delivered light beams in a non-overlapping pattern at varying depths up to 1.5 mm underneath said targeted portion of said human skin.

20. The apparatus as set forth in claim 2, wherein the control means is configured to adjust a separation between adjacent ones of said light beams within the non-overlapping pattern.

21. The apparatus as set forth in claim 2, wherein the control means is configured to translate one or more of said light beams.

22. A dermatological laser apparatus, comprising:

a plurality of laser light sources;

a plurality of optical waveguides each having a proximal end and a distal end, the proximal end of each optical waveguide coupled respectively on a one-by-one basis to said plurality of laser light sources wherein each laser light source in said plurality of laser light sources is capable of delivering a laser light beam through its connected optical waveguide to the distal end of said connected optical waveguide;

a control system coupled electronically to said plurality of laser light sources for individually controlling the operation of each of said plurality of laser light sources to deliver two or more of said laser light beams; and

at least one lens positioned between the distal ends of the optical waveguides and a targeted portion of a human skin, the distal ends of the optical waveguides separated from the at least one lens by varying distances so that the at least one lens focuses the laser light beams in a non-overlapping pattern at varying depths at desired tissue locations within an epidermis, dermis, and/or hypodermis layer of human skin.

23. The dermatological laser apparatus of claim 22, wherein said control system comprises a microprocessor and related memory.

24. The dermatological laser apparatus of claim 23, further comprising a program that, when executed by said microprocessor, causes said microprocessor to selectively activate one or more of said plurality of laser light sources and thereby causes said dermatological laser apparatus to generate a selected pattern of beams that are delivered to said desired tissue location.

25. The dermatological laser apparatus of claim 22, wherein:

the plurality of laser light sources are configured to generate a plurality of laser light beams having selected wavelengths between 400 nm and 5 μ

m.

26. The dermatological laser apparatus of claim 25, wherein said control system and said optical delivery system are configured such that an output delivered by said optical delivery system comprises a blended beam having multiple frequency components defined by said selected wavelengths.

27. The dermatological laser apparatus of claim 25, wherein said control system is configured such that the non-overlapping pattern comprises a pattern of laser light beams having a plurality of differing wavelengths.

28. The dermatological laser apparatus of claim 25, wherein said plurality of laser light sources comprise at least two different laser light sources.