US Patent 11166743 Devices and methods for cosmetic skin resurfacing

Disclosed herein are apparatuses, kits, and methods for treating skin, such as skin tightening, e.g., reducing skin laxity, for treating conditions that would benefit from tissue area or volume reduction, skin restoration, skin tightening, skin lifting, and/or skin repositioning, and/or for generally improving skin function or appearance. Such apparatuses, kits, and methods include one or more hollow needles each having at least one prong and a mechanism for removing skin tissue portion(s) from the hollow needle(s).