Embodiments of systems and methods for medical treatment using a series of pulsed lasers are disclosed. In an example, a system for medical treatment includes a laser source, an optical module, and a controller coupled to the optical module. The laser source is configured to generate a series of pulsed lasers. The optical module is configured to provide a series of focused laser spots on a patient based on the series of pulsed lasers. The controller is configured to control the at least one of the optical module and a stage for holding the patient to move the series of focused laser spots on the patient to form a scan pattern.

A laser system includes a laser source generating a laser beam having ultra-short pulses; a laser delivery assembly optically receiving the laser beam and comprising: a beam splitter configured to split the laser beam between a first beam delivery path and a second beam delivery path; and at least one focusing lens optically coupled to the beam splitter and configured to focus the laser beam from each of the first beam delivery path and the second beam delivery path to a focal point on a predefined plane; wherein the first beam delivery path intersects the predefined plane at a first angle, the second beam delivery path intersects the predefined plane at a second angle, and a first pulse from the first beam delivery path and a second pulse from the second beam delivery path are coincident at the focal point.

A refractive index writing system includes a pulsed laser source, an objective lens for focusing an output of the pulsed laser source to a focal spot in an optical material, and a scanner for relatively moving the focal spot with respect to the optical material along a scan region. A beam multiplexer divides the output of the laser source into at least two working beams that are focused to variously shaped focal spots within the optical material. A controller controls at least one of a temporal and a spatial offset between the focal spots of the working beams together with the relative speed and direction of the scanner for maintaining an energy profile within the optical material along the scan region above a nonlinear absorption threshold of the optical material and below a breakdown threshold of the optical materials.

A system for the surface and subsurface delivery of therapeutic and cosmetic agents. The system includes a disposable attachable tip that can be pre-filled with medications or cosmetics and attached to hand pieces including electromagnetic and mechanical energy hand piece devices.

Embodiments of an apparatus and method for sealing and cutting of tissue during surgeries, especially in general, endoscopic, laparoscopic and robotic, are described. In one aspect, an apparatus comprises a laser system and a laser beam delivery unit. The laser unit is configured to emit a laser beam suitable for tissue sealing and cutting. The laser beam delivery unit is detachably coupled to the laser unit, and is configured to guide and direct the laser beam to seal and cut tissue. Use of optical fiber guided sensors described herein further enhances the safety and efficacy of the apparatus.

An optical system includes an array of optical elements configured to receive a primary laser beam and generate a plurality of sub-beams. The array of optical elements includes a plurality of optical elements that are configured to simultaneously focus the plurality of sub-beams to a plurality of focal regions in a target tissue. A pitch of the array of optical elements ranges from about 1 mm to about 3 mm. A numerical aperture of one or more optical elements of the plurality of optical element ranges from about 0.3 to about 1. A first sub-beam of the plurality sub-beams is configured to generate plasma in a first focal region of the plurality of focal regions.

A catheter system (100) for treating a treatment site (106) includes a first light source (124), a plurality of light guides (122A), a multiplexer (128), a multiplexer alignment system (142), and a first beamsplitter (268). The first light source (124) generates a source beam (124A). The multiplexer (128) receives the source beam (124A), and alternatively directs the source beam (124A) to each of the plurality of light guides (122A). The multiplexer alignment system (142) is operatively coupled to the multiplexer (128). The multiplexer alignment system (142) includes a second light source (270) that generates a probe source beam (270A) that is directed to scan across a guide proximal end (122P) of each of the plurality of light guides (122A) so that a time is determined to generate the source beam (124A) so that the source beam (124A) is optically coupled to the guide proximal end (122P) of each of the plurality of light guides (122A). The first beamsplitter (268) receives the source beam (124A) and the probe source beam (270A), and alternately directs the probe source beam (270A) and the source beam (124A) toward the guide proximal end (122P) of each of the plurality of light guides (122A).

A laser device for photocoagulation surgery is disclosed, wherein the laser device includes a multi-wavelength laser source having a first direction and a second direction different from the first direction. The laser device includes a positioning light source, a first laser light source, a first lens, a second laser light source, a second lens, a third laser light source, a third lens, a fourth laser light source and a fourth lens. The positioning light source configured to project a positioning visible light along the first direction, wherein the positioning visible light has a specific wavelength being about 635 nm. The first laser light source configured to project a first laser light having a first wavelength along the second direction. The first lens disposed in a main optical path of the positioning visible light, and configured to receive the first laser light and reflect the first laser light along the first direction.

A method of treatment of skin tissue with two laser devices of unequal wavelengths comprising the steps of: (1) activating the two laser devices simultaneously to produce two laser beams of unequal wavelength; (2) directing the two laser beams into a handpiece having a distal tip to direct the laser beams onto the skin tissue; (3) directing the two laser beams within the handpiece to an adjustable beam deflector; and, (4) the adjustable beam deflector directing the two laser beams onto the skin tissue to produce a pattern of laser spots simultaneously but separated from one another.

A treatment device for fractional laser-based skin treatment includes an emission window having an elongated area and predefined locations that are arranged in an elongated array which extends along a treatment axis of the window. A treatment generator has a treatment laser for emitting laser light towards skin tissue from the predefined locations in the emission window for generating, in use, laser-based lesions inside the skin tissue. The treatment device also includes a motion sensor for sensing motion of the treatment device relative to the skin surface, and a controller for determining a non-zero sequence of at least one of the predefined locations from which laser light is consecutively emitted in dependence on the sensed motion. The controller allows generation of the non-zero sequence when the sensed motion of the treatment device relative to the skin surface only has a component in a direction parallel to the treatment axis.