A61B18/203

SURFACE AND SUBSURFACE TUMOR MAPPING FOR COMPUTER-GUIDED LASER SURGERY
20230127514 · 2023-04-27 ·

Disclosed are systems and techniques for providing laser treatment. For example, a vasculature structure associated with a tissue region can be determined. Based on the vasculature structure, one or more laser parameters for configuring a laser to deliver laser energy to at least one blood vessel within the tissue region can be determined. Laser energy can be delivered to the at least one blood vessel to halt blood flow to a targeted area within the tissue region.

Light-based skin treatment device

According to the invention, there is provided a light-based skin treatment device comprising a treatment light source; a treatment light exit window via which, during operation, treatment light generated by the treatment light source is applied to skin of a user, wherein the treatment light exit window comprises an optically transparent material arranged to contact the skin during operation; and an imaging unit comprising an image sensor 5 arranged to generate an image of the skin during operation. The skin treatment device further comprises an optical waveguide comprising a treatment light receiving surface, an imaging light exit surface and a main surface, wherein said treatment light receiving surface is arranged to receive the treatment light so that the treatment light enters the waveguide at the treatment light receiving surface; said main surface comprises the treatment light exit 10 window and is arranged to transmit the treatment light so that the treatment light exits the waveguide at the treatment light exit window; said imaging light exit surface is arranged with respect to the main surface to receive light reflected at the main surface by total internal reflection at positions where, during operation, no skin is in contact with the main surface; said image sensor is arranged to receive from the imaging light exit surface light which is 15 guided by total internal reflection from the main surface towards the imaging light exit surface.

Laser therapy device and method of use
11471697 · 2022-10-18 ·

A computerized method for controlling the operation of a laser therapy device is disclosed. A laser therapy device comprising laser diodes has a microprocessor for storing and executing instructions pertaining to the operation of the laser diodes within certain parameters. The computerized method detects the movement of the laser therapy device and alters the output of the laser diodes when a movement signal exceeds predetermined threshold parameters. The computerized method detects difference in temperature in certain areas, and patterns in temperature differences, for assistance in diagnosing ailments. The computerized method also detects differences in skin color to determine treatment areas. The computerized method also measures the distance of the laser therapy device to a treatment area. The microprocessor executes instructions then which can alter the output of the laser diodes or generate an alarm signal based on measurements received.

Systems and Methods of Optically Targeting Melanin and other Tissue Components for Enhanced Dermal Treatment
20230120325 · 2023-04-20 · ·

Systems and methods for treating tissue by concentrating a laser emission to at least one depth at a fluence sufficient to create an ablation volume in at least a portion of the target tissue and controlling pulse width within the picosecond regime to provide a desired mechanical pressure in the form of shock waves and/or pressure waves.

Apparatus, system, and method for computer modulated surgical laser intensity

A system for performing robotic laser surgery is disclosed. The system comprises at least one surgery equipment, a surgeon terminal, and a communication module. Further, the system includes a surgical computer communicatively coupled to the at least one surgery equipment via the communication module. The surgical computer is configured to transfer data between the surgeon terminal and the at least one surgery equipment. The surgeon terminal is configured to modulate the tunable laser to conduct the surgical procedure in fully autonomous mode or semi-autonomous mode using robot controls. Further, a plurality of sensors is used to real-time data while performing surgical procedure and transmit the real-time data to the surgeon terminal.

LASER DEVICE FOR SKIN TREATMENT CAPABLE OF ADJUSTING WAVELENGTH OF DIODE LASER AND/OR DURATION OF PULSE

A laser device for skin treatment, includes: a laser generating unit including one or a plurality of diode lasers configured to generate a diode laser pulse, one or a plurality of diode laser drivers each arranged to correspond to the diode laser and configured to vary diode laser pulses generated from the diode laser into pulses having different durations, a laser amplifying unit configured to amplify the pulse transmitted from the diode laser generating unit, and a controller configured to control the diode laser generating unit and the laser amplifying unit to control a wavelength and intensity of a laser output from the laser amplifying unit.

MICRO-PULSED LIQUID SPRAY FOR COOLING
20230064019 · 2023-03-02 · ·

An apparatus for cooling tissues which are treated with an energy-based device, such as a laser, is disclosed. The apparatus comprises a spray nozzle which generates an atomized liquid spray for the treatment area, wherein the atomized liquid spray is based on a mixture of liquid and gas. Further, the spray nozzle comprises at least one liquid outlet which ejects a liquid, and at least one gas outlet which ejects a gas stream. Besides, the apparatus for cooling comprises at least one delivery means for delivering pressurized gas to the spray nozzle; and a pumping means for the liquid, wherein the pumping means is configured to operate in pulses.

AESTHETIC METHOD OF BIOLOGICAL STRUCTURE TREATMENT BY MAGNETIC FIELD
20230117604 · 2023-04-20 ·

A device for enhancement of visual appearance including a first applicator to be coupled to a first area of a body region, with a first magnetic field generating device and a first radiofrequency electrode, a second applicator to be coupled to a second area of the body region, with a second magnetic field generating device. The device further includes a first energy storage device, a second energy storage device, and a first switching device to discharge energy from the first energy storage device to the first magnetic field generating to generate a first time-varying magnetic field to cause muscle contraction, and a second switching to discharge energy from the second energy storage device to the second magnetic field generating device to generate a second time-varying magnetic field. The first radiofrequency electrode may provide first radiofrequency waves causing heating of tissue within the first area of the body region.

Selective fat removal using photothermal heating

A system and method are provided for minimally-invasive selective fat removal from a target area by injecting the area with a solution of photo-absorbing nanoparticles and irradiating the injected area with a beam of near infrared (NIR) light. The NIR emission wavelength excites the nanoparticles to melt fat within the target area so that the liquefied fat can be aspirated from the target area. The nanoparticles may be gold nanorods having aspect ratios selected to produce surface plasmon resonance when irradiated with NIR light around 800 nm.

Picosecond laser apparatus and methods for treating target tissues with same

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.