Device and Method for Treating Tissue

• US 20070208340A1
• Filed: 04/05/2005
• Published: 09/06/2007
• Est. Priority Date: 04/05/2004
• Status: Abandoned Application

• Current Assignee: The General Hospital Corporation (Mass General Brigham, Inc.)
• Original Assignee: The General Hospital Corporation (Mass General Brigham, Inc.)
• Inventors: Zelickson, Brian, Ganz, Robert
• Application Number:
  US11/547,463
• Publication Number:
  US 20070208340A1
• Time in Patent Office: Days
• US Class Current: 606/50
• CPC Class Codes: A61B 18/1477 Needle-like probes
• CPC Class Codes: A61B 2018/0016 Energy applicators arranged in a two- or three dimensional array
• CPC Class Codes: A61B 2018/00196 reciprocating lengthwise
• CPC Class Codes: A61B 2018/0022 Balloons
• CPC Class Codes: A61B 2018/00452 Skin
• CPC Class Codes: A61B 2018/00458 Deeper parts of the skin, e.g. treatment of vascular disorders or port wine stains
• CPC Class Codes: A61B 2018/0047 Upper parts of the skin, e.g. skin peeling or treatment of wrinkles
• CPC Class Codes: A61B 2018/00559 Female reproductive organs
• CPC Class Codes: A61B 2018/00589 Coagulation
• CPC Class Codes: A61B 2018/143 multiple needles
• CPC Class Codes: A61B 2018/167 Passive electrodes capacitively coupled to the skin
• CPC Class Codes: A61N 1/0502 Skin piercing electrodes
• CPC Class Codes: A61N 1/18 Applying electric currents by contact electrodes
• CPC Class Codes: A61N 1/328 for improving the appearance of the skin, e.g. facial toning or wrinkle treatment

Abstract

A device for creating a pattern of perforations in a tissue, comprising a treating surface coupled to a distal end of the elongated member and configured to be positioned adjacent one or more tissue planes, a plurality of electrodes extending outwardly from at least one surface of the treating surface and adapted for creating simultaneous perforations in one or more tissue layers, wherein the electrodes are provided in a pattern to impart a corresponding pattern of perforations in the one or more tissue layers. Methods of using the device and methods of creating perforations in one or more layers of tissues are also provided.

Claims

1. A device for creating a pattern of perforations in a tissue, comprising

a treating surface configured to be positioned in contact with tissue adjacent one or more tissue planes;

a plurality of electrodes extending outwardly from the treating surface and adapted for imparting simultaneous perforations into one or more tissue layers, wherein the electrodes are provided in a pattern to impart a corresponding pattern of perforations in the one or more tissue layers.

2. The device of claim 1 wherein the electrode pattern also selected to create a zone of coagulative tissue surrounding each perforation.

3. The device of claim 1 wherein the electrode pattern also selected to create a zone of coagulative tissue surrounding each perforation, wherein the zone of coagulative tissue has a length of between about 5 microns to about 100 microns.

4. The device of claim 1 wherein the electrode pattern is selected to create perforations which are between about 30 to about 100 microns in diameter, up to about 1000 microns deep and spaced apart by between about 50 to about 400 microns.

5. The device of claim 1 wherein the plurality of electrodes have a depth and width for providing perforations being no more than about 2 mm in depth and about 0.5 mm in width.

6. The device of claim 1 wherein the plurality of electrodes have a spacing for providing perforations spaced apart by no more than about 5 mm or less.

7. The device of claim 1 further comprising an energy source coupled to the plurality of electrodes, the energy source configured to deliver energy selected from the group consisting of radio frequency, non-ionizing ultraviolet radiation, or microwave radiation.

8. The device of claim 7 further comprising a control device coupled to the energy source.

9. The device of claim 1 wherein the plurality of electrodes are RF electrodes and are configured for receiving RF energy.

10. The device of claim 1 wherein the plurality of electrodes are provided as a plurality of electrode pairs.

11. The device of claim 1 wherein the plurality of electrodes are provided as an array of electrodes.

12. The device of claim 1 wherein the plurality of electrodes are monopolar electrodes.

13. The device of claim 1 wherein the plurality of electrodes are bipolar electrodes.

14. The device of claim 1 wherein the treating surface is selected from the group consisting of a flexible surface, contoured surface, rigid surface, horizontal surface, rolling surface, expandable surface and three-dimensional surface.

15. The device of claim 14 wherein the treating surface is an expandable surface and is sized in an expanded state to conform to a surface of a tissue.

16. The device of claim 14 wherein the treating surface is a horizontal surface and is applied to the one or more tissue planes in a stamping motion.

17. The device of claim 14 wherein the treating surface is a rolling surface and is applied to the one or more tissue planes in a rolling motion.

18. The device of claim 1 wherein the electrodes are configured to provide power in the range of about 50 to about 200 watts per square centimeter.

19. The device of claim 1 wherein the electrodes are configured to provide an energy of at least about 1 joule per square centimeter.

20. The device of claim 1 further comprising one or more sensors coupled to the plurality of electrodes.

23. A kit for creating a pattern of perforations in tissue, the kit comprising two or more devices as in claim 1, wherein each of the devices have either a differently sized treating surface, a differently shaped treating surface, a different treating surface type, a different electrode pattern, a different electrode width, a different electrode length or a different electrode spacing.

21. A device for creating a pattern of perforations in a tissue, comprising

an elongated member;

a treating surface coupled to a distal end of the elongated member and configured to be positioned adjacent one or more tissue planes;

a plurality of monopolar RF electrodes extending outwardly from at least one surface of the treating surface and adapted for imparting simultaneous perforations into one or more tissue layers, wherein the electrodes are provided in a pattern to impart a corresponding pattern of perforations in the one or more tissue layers and also a zone of coagulative tissue around each perforation.

22. A method for creating a pattern of perforations in tissue, comprising the steps of:

providing a device having a treating surface which includes a plurality of electrodes extending outwardly from the treating surface, wherein the plurality of electrodes are arranged in a desired pattern;

placing the treating surface in contact with tissue adjacent to one or more tissue planes;

delivering energy to the electrodes to simultaneously impart perforations into one or more layers of the tissue, wherein the perforations correspond to the electrode pattern.

24. A method for treating human skin, comprising:

identifying a target area of skin;

providing a device adapted to simultaneously create a desired pattern of perforations into one or more layers of the target area of skin;

simultaneously perforating the target area to provide the desired pattern of perforations which elicit a healing response that produces a revitalized skin surface.