Picosecond laser apparatus and methods for treating target tissues with same
First Claim
1. A method of treating a target tissue comprising:
- generating, using a laser source, an output beam having a subnanosecond pulse duration;
modifying the output beam, using an optical system, to provide a photomechanically disruptive treatment beam;
directing the photomechanically disruptive treatment beam to one or more regions of the target tissue;
photomechanically disrupting the one or more regions of the target tissue; and
inducing collagen restoration within the target tissue in response to photomechanically disrupting the one or more regions of target tissue.
8 Assignments
0 Petitions
Accused Products
Abstract
Apparatuses and methods are disclosed for applying laser energy having desired pulse characteristics, including a sufficiently short duration and/or a sufficiently high energy for the photomechanical treatment of skin pigmentations and pigmented lesions, both naturally-occurring (e.g., birthmarks), as well as artificial (e.g., tattoos). The laser energy may be generated with an apparatus having a resonator with the capability of switching between a modelocked pulse operating mode and an amplification operating mode. The operating modes are carried out through the application of a time-dependent bias voltage, having waveforms as described herein, to an electro-optical device positioned along the optical axis of the resonator.
-
Citations
22 Claims
-
1. A method of treating a target tissue comprising:
-
generating, using a laser source, an output beam having a subnanosecond pulse duration; modifying the output beam, using an optical system, to provide a photomechanically disruptive treatment beam; directing the photomechanically disruptive treatment beam to one or more regions of the target tissue; photomechanically disrupting the one or more regions of the target tissue; and inducing collagen restoration within the target tissue in response to photomechanically disrupting the one or more regions of target tissue. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
-
-
11. A method of treating a target tissue comprising one or more pigments, the method comprising:
-
generating, using a laser source, an output beam having a subnanosecond pulse duration; modifying the output beam, using an optical system, to provide a photomechanically disruptive treatment beam; directing the photomechanically disruptive treatment beam to one or more pigments of the target tissue, wherein the one or more pigments are visible prior to treatment; and decreasing visible appearance of one or more pigments within the target tissue in response to the photomechanically disruptive treatment beam. - View Dependent Claims (12, 13, 14, 15, 16, 17)
-
-
18. A method of treating tissue comprising oxyhemoglobin, the method comprising:
-
generating, using a laser source, an output beam having a subnanosecond pulse duration; modifying the output beam, using an optical system, to provide a photomechanically disruptive treatment beam; directing the photomechanically disruptive treatment beam to one or more regions of the target tissue comprising oxyhemoglobin, wherein the target tissue comprises a vascular lesion that is visible prior to treatment; and decreasing visible appearance of the vascular lesion in response to the photomechanically disruptive treatment beam. - View Dependent Claims (19, 20, 21, 22)
-
Specification