Abstract: A dermatologic treatment apparatus is disclosed which includes one or more housings with at least one housing configured for manipulation in a dermatologic treatment procedure, a light source, and an electrical circuit. The circuit energizes the light source to produce output light pulses. A light path includes an aperture through which eye-safe light pulses are propagated having properties sufficient for providing efficacious treatment. An optical diffuser is disposed along the light path to reduce the integrated radiance to an eye-safe level. The apparatus produces an output fluence not less than 4 J/cm2.

Abstract: A technique for detecting and providing alerts or indications that can be used for controlling or altering the displacement speed of an applicator coupling skin heating energy across a treated skin. A temperature sensor monitors the rate of skin temperature change and provides feedback related to altering the applicator displacement speed according to the rate of skin temperature change. Disclosed is also an applicator for implementing this method.

Abstract: An aesthetic treatment device including: a multi illumination system having at least one source in the visible region, disposed around a periphery of a predetermined area of skin; an imaging device, sensitive to the illumination system, to discern features on or in the skin within the predetermined area of skin to be treated; multiple treatment light sources mounted on an optical bench and aimed and focused to a point of treatment in the predetermined area of skin; a mechanical guidance system to guide the multiple treatment light sources; and a pulse generator to control power output of the multiple treatment light sources based upon the treatment to be applied to the predetermined area of skin.

Abstract: A handpiece for treatment of the surface of a target tissue with at least one light beam is provided, the handpiece including a housing, at least one light source for generating at least one light beam, an opening for allowing the emission of the at least one light beam out of the housing and towards the target surface, a mechanism for controlled displacement of the at least one light source to move the at least one light beam across the target surface; and a controller for controlling the mechanism. A method is provided for treating a tissue surface with a light beam that includes directing a light beam towards the tissue surface, focusing the light beam at the tissue surface so that the focal point is positioned proximate the surface of the tissue so that the diameter of the light beam is smaller at the surface of the tissue than below the surface.

Abstract: Subjects treated with nonablative fractional photothermolysis (FP) have an intact stratum corneum, but can have microscopic lesions and vacuole formation within the epidermis. The vacuoles thus formed can trap dermal material and extrude it through the epidermis. Thus, FP can be used for the treatment of recalcitrant melasma, solar elastosis, and tattoos.

Abstract: A device for treating an area of skin by scanning radiation to form a pattern of treatment spots on the skin includes an automated scanning system configured to receive an input beam generated by a radiation source and scan the received input beam to provide a sequential series of output beams that form a pattern of treatment spots on the skin, the automated scanning system including a generally cup-shaped scanning element configured to rotate about a rotational axis. The generally cup-shaped scanning element may include a plurality of lenslets arranged around the rotational axis, each lenslet configured to provide one of the output beams, such that as the rotating scanning element rotates about the rotational axis, the input beam is sequentially reflected by different lenslets surfaces to provide the sequential series of output beams.

Abstract: A self-contained, hand-held device for providing a dermatological treatment includes a radiation source configured to generate one or more radiation beams, and an optical system configured to deliver the one or more radiation beams to the skin to provide a dermatological treatment. Each radiation beam includes a first axis beam profile and an orthogonal second axis beam profile. The optical system includes a first axis optic configured to influence the first axis beam profile of each radiation beam by a greater extent than the second axis beam profile of each radiation beam, and a second axis optic configured to influence the second axis beam profile of each radiation beam by a greater extent than the first axis beam profile of each radiation beam.

Abstract: Embodiments of methods and systems for hair treatment are disclosed. According to various embodiments, light is used to shave, trim, or otherwise modify hair shafts.

Abstract: A method for reducing human or animal tissue includes making a plurality of excisions to collectively form a patch of tissue to be reduced, instead of making a single large excision in the patch. Thus, scarring after healing is less noticeable. The treated regions of tissue may be arranged such that a total area of all removed tissue segments taken in a direction perpendicular to an axis of the patch changes gradually along said axis. The removed regions of tissue may be navicular in shape, and the patches may be navicular in shape in the event an elongated excision is made. The removal of tissue regions can be realized by proper treatment methods such as incisions and laser treatment.

Abstract: A hair treatment device is provided comprising a light-based detector (10) for detecting a hair (11) near a skin (12) surface. The light-based detector comprises a light source (13) for emitting optical radiation of at least a first wavelength and with an incident polarization towards the skin surface. A light sensor (14a, 14b) is provided for detecting light reflected at the skin surface. The light sensor (14a, 14b) is capable of separately detecting he reflected light with the incident polarization and with a different polarization and for providing a PP value representing the detected light with the incident polarization and a CP value representing the detected light with the different polarization.

Abstract: Disclosed is a skin treatment device for personal use. The device includes an optical radiation providing module operating in pulsed or continuous operation mode, a mechanism for continuously displacing the device across the skin, and a device displacement speed monitoring arrangement. When the device is applied to skin, the optical pulses repetition rate establishes the power of the optical radiation as a function of the device displacement speed. The device a hair removal mechanism configured to mechanically remove hair from the treated segment of the skin.

Abstract: The invention relates to a device for shortening hairs growing from human skin. The device has a laser source for generating a laser beam during a predetermined pulse time, an optical system for focusing the laser beam into a focal spot, and a laser beam manipulator for positioning the focal spot in a target position. According to the invention, a dimension of the focal spot and a power of the generated laser beam are such that, in the focal spot, the laser beam has a power density which is above a characteristic threshold value for hair tissue above which a laser induced optical breakdown (LIOB) phenomenon occurs in the hair tissue. The LIOB phenomenon results in a number of mechanical effects in the hair tissue, such as cavitation and the generation of shock waves, which damage the hair in positions surrounding the position in which the LIOB phenomenon occurs.

Abstract: Handpiece formed of a shell with a handgrip connected to a bundle of electrical power supply cables and of heat transfer fluid tubes and a head, accommodating a cartridge fitted with the controlled light source and with a light guide fed from the light source and the outlet surface of which constitutes the surface via which the light signal is emitted towards the surface of the skin that is to be treated. It comprises a housing, made in the shell, arriving under the emission surface of the cartridge and equipped with guide means and clip-fastening members. An interchangeable optical unit carrying the light guide is fitted removably into the housing. This optical unit has a casing accepting the light guide and equipped with guiding and clip-fastening surfaces to collaborate with the guide means and the retractable clip-fastening members belonging to the housing.

Abstract: The invention encompasses a method of inhibiting the growth of hair in skin including epilation of follicles in the skin, waiting until within 5 days of the commencement of metanagen, applying a photodynamic agent to the skin, and exposing the skin to photoactivating light.

Abstract: An optical biological information detecting apparatus includes a light emitting unit which emits observation light of a specific wavelength band to optically observe a desired portion of a tissue of a skin of a human body, and an annular light guide unit which guides the observation light to a desired area of a surface of the skin corresponding to the desired portion of the tissue of the skin, and which annularly irradiates the observation light onto the desired area of the surface of the skin. The apparatus further includes a light receiving unit which is disposed at a position surrounded by the annular light guide unit, and which receives scattered light scattered by the desired portion of the tissue of the skin after the observation light is annularly irradiated onto the desired area of the surface of the skin by the annular light guide unit.

Abstract: A method can include targeting a region of interest below a surface of skin, which contains fat lobuli and delivering ultrasound energy to the region of interest. The ultrasound energy generates a conformal lesion with said ultrasound energy on a surface of a fat lobuli. The lesion creates an opening in the surface of the fat lobuli, which allows the draining of a fluid out of the fat lobuli and through the opening. In addition, by applying ultrasound energy to fat cells to increase the temperature to between 43 degrees and 49 degrees, cell apoptosis can be realized, thereby resulting in reduction of fat.

Abstract: A dermatological treatment method includes directing laser energy having a wavelength of 2.79 ?m onto skin. According to disclosed methods, the energy can function to ablate a first portion of epidermal tissue, coagulate an underlying second portion of epidermal tissue, and promote collagen formation in tissue of the underlying dermis. In an exemplary treatment apparatus, a laser using a YSGG gain medium is mounted in a handpiece. The handpiece may include a two-axis scanner to allow for uniform scanning of the energy over the tissue surface.

Abstract: To provide a light irradiation device capable of easily removing and reducing hair with low power light without burden on skin. The light irradiation device according to the present invention includes a light source giving pulses of light in a wavelength range from 400 to 1200 nm and a light guide distributing the pulses of light given from the light source with energy intensity of 0.2 to 10 J/cm2 at a predetermined distance from the light outgoing surface.

Abstract: Cellulite is treated by severing septae, which interconnects the skin with the underlying muscle. The septae may be severed in connection with a liposuction procedure or independent of a liposuction procedure.

Abstract: A dermatological treatment device may include a device body; a radiation source housed by the device body and configured to emit pulses of treatment light for delivery to the skin to provide a dermatological treatment; a photo detector housed by the device body and configured to detect light from the skin; and control electronics housed by the device body and configured to: during the delivery of a particular treatment light pulse from the radiation source, receive signals from the photo detector; during the delivery of the particular treatment light pulse, automatically calculate at least one pulse parameter value for the particular treatment light pulse based at least on the signals received from the photo detector; and automatically control at least one parameter of the particular treatment light pulse based on the at least one calculated pulse parameter value for the particular treatment light pulse.

Abstract: An apparatus and corresponding method for treatment of skin conditions which includes a brushhead member which comprises a first portion which includes a plurality of rings of bristle tufts, the first portion oscillating in operation through a selected angle at a selected frequency and a second portion which also includes a plurality of rings of bristle tufts concentric with the first portion, the second portion remaining stationary in operation. At least one monochromatic light source is included, providing light directed from the brushhead in a direction substantially the same as the bristle tufts, such that the light impinges on the area of skin of the user acted on by the oscillating brushhead.

Abstract: A skin treatment apparatus that includes, a disposable electrode carrier with a plurality of voltage-applying dome-shaped elements protruding from the surface of the electrode carrier. Further, the protruding elements are spaced apart in a pattern. The apparatus operates to apply a voltage to at least some of the protruding elements. The apparatus applies a voltage to the protruding elements with a magnitude that is sufficient to result in an electrical break down of the skin and thereby cause electric current enabling the desired treatment.

Abstract: A method for reducing human or animal tissue includes making a plurality of excisions to collectively form a patch of tissue to be reduced, instead of making a single large excision in the patch. Thus, scarring after healing is less noticeable. The treated regions of tissue may be arranged such that a total area of all removed tissue segments taken in a direction perpendicular to an axis of the patch changes gradually along said axis. The removed regions of tissue may be navicular in shape, and the patches may be navicular in shape in the event an elongated excision is made. The removal of tissue regions can be realized by proper treatment methods such as incisions and laser treatment.

Abstract: An apparatus and process using a high-power, short-pulsed thulium laser to output infrared laser pulses delivered through an optical fiber, for cutting and ablating biological tissue. In some embodiments, the pulse length is shortened sufficiently to keep inside the stress-confined ablation region of operation. In some embodiments, the pulse is shortened to near the stress-confined ablation region of operation, while being slightly in the thermal-constrained region of operation. In some embodiments, the laser is coupled to a small low-OH optical fiber (˜100 ?m diameter). In some embodiments, the device has a pulse duration of about 100 ns for efficient ablation; however in some embodiments, this parameter is adjustable.

Abstract: A multiphoton microscope is provided. The microscope includes: an excitation source for providing an optical excitation beam at an excitation wavelength ?; a scanner for scanning the excitation beam on a sample; an objective for irradiating the sample with the excitation beam scanned by the scanner and for collecting an emission beam from the sample; a first detector for detecting a plurality of multiphoton signals; and an emission light path allowing transmission from the objective to the first detector a wavelength band limited to greater than or equal to ?/2 and less than ?, wherein the plurality of multiphoton signals have wavelengths within the wavelength band; wherein the plurality of multiphoton signals comprises a first multiphoton signal and a second multiphoton signal of different types. Fast image capture rate multiphoton microscopes for in vivo imaging, as well as photothermolysis methods using the microscopes are also provided.

Abstract: Methods and an apparatus for heating up a surface of a skin area that is to undergo a topical treatment are disclosed. A method placing a device enabled with vacuum suction pressure on a surface of a tissue area to be treated. Applying a vacuum suction pressure on the surface of the skin area to pull up the skin area, and an underlying tissue into an aperture opening of the device Simultaneously, while retaining vacuum suction, heating up a volume of tissue that is pulled up inside the aperture opening of the device such that the temperature of the tissue area rises to an elevated ambient temperature and performing a desired treatment, through an energy-generating module, on the tissue volume after the tissue area has been heated up.

Abstract: A system for treatment of a wound area of a patient including a first treatment pad comprising a plurality of Light Emitting Diodes (LEDs) for cleaning and exposing a wound area to ultraviolet light, a second treatment pad comprising removal ports for exposing the wound area to a negative pressure, and a control unit interoperably connected to the first and second treatment pads for providing a negative pressure and the ultraviolet light to the wound area.

Abstract: Methods for treatment of photoaging signs and skin texture includes precooling a surface of the skin to be treated, applying a beam of radiation to the surface of the skin having a wavelength between about 515 nm to about 1200 nm and a fluence less than about 26 j/cm2. The beam includes two or more pulses have different wavelengths wherein each pulse has a pulse width and a duration of a pulse (i.e., pulse duration), and wherein the second pulse is superimposed on the first pulse over the same treatment area. Also, the method includes applying dynamic cooling to the surface of the skin simultaneous with applying the beam of radiation to the surface of the skin.

Abstract: A device for treating skin, the gums, a tooth, or an internal organ by a laser pulse source for generating laser pulses with a pulse duration which is preferably in the femtosecond range, and an optical path for directing the laser pulses from the laser pulse source for the surface of the skin, gums, tooth or internal organ. The laser pulses are directed onto the surface of the skin, gums, tooth or the internal organ in such a way that the pulses are focused in the skin, in the gums, in the tooth or in the internal organ and cause a laser-induced optical breakdown below the surface of the respective skin, gums, tooth or internal organ, whereat the laser pulses have a larger cross-sectional area at the surface of the skin, of the gums, the tooth or of the internal organ than at the location of the laser-induced optical breakdown.

Abstract: The system for treating a region of the epidermis, comprising: —at least one laser energy source; —a time control device to generate a laser beam; —a laser energy focusing system arranged and produced to direct a laser beam on said region of the epidermis. The control device generates a laser beam comprising a plurality of composite pulses, emitted at a base frequency, each composite pulse comprising a sequence of sub-pulses at a higher frequency than said base frequency.

Abstract: The present invention relates to a device for administering electromagnetic radiation to human tissue, in particular light to skin. The device comprises a treatment head with a recess (10) in which the light is emitted and in which the air pressure may be decreased by a pump (11). The device also comprises a pressure gauge (8) for measuring the pressure in the recess (10). Above a certain threshold value the device will not function, because this indicates an incorrect positioning of the device on the skin, which might cause harm to persons. By providing the pressure gauge (8), an operator may determine whether the positioning of the treatment head is correct. The device is advantageously automated in that the pressure gauge (8) is connected to control means (5) for controlling the source (3) of radiation.

Abstract: Disclosed are methods for dermatological treatment of an area of skin of a subject that, in some embodiments, comprise moving a light director aperture in a prescribed direction relative to a skin surface and triggering a light source to produce a short-duration pulse of light and directing the produced short-duration pulse of light at a skin surface as a plurality of individual light beams every time the light director aperture travels a prescribed distance relative to the skin surface. Also disclosed are devices useful for fractional laser therapy to affect dermatological treatment that in some embodiments comprise a trigger functionally associated with a distance measurer functionally associated with a contact surface, the trigger configured to trigger a functionally-associated light source when a distance traveled by the contact surface along a skin surface is a prescribed distance.

Abstract: Provided are nanoparticles and formulations which are useful for cosmetic, diagnostic and therapeutic applications to mammals such as humans.

Abstract: An optical scanning device is adapted to output a light beam, and includes a base, a transmission mechanism, a rotary power source and a holder. The transmission mechanism is disposed on the base. The rotary power source is adapted to generate a rotation and mechanically connected to the transmission mechanism so as to drive the transmission mechanism to generate the rotation. The holder is disposed to the transmission mechanism and includes a first lateral section, wherein when the transmission mechanism and the holder are synchronously rotated, the first lateral section also rotates the output light beam and thus the output light beam forms a light spot having a scanning area projected on a destination.

Abstract: A tissue interface module has an applicator chamber on a proximal side of the tissue interface module and a tissue acquisition chamber on a distal side of the tissue interface module. The applicator chamber may include: an opening adapted to receive the applicator; an attachment mechanism positioned in the applicator chamber and adapted to attach the tissue interface module to the applicator; a sealing member positioned at a proximal side of the applicator chamber; and a vacuum interface positioned at a proximal side of the applicator chamber and adapted to receive a vacuum inlet positioned on a distal end of the applicator. The invention also includes corresponding methods.

Abstract: An aesthetic treatment device including: a multi illumination system having at least one source in the visible region, disposed around a periphery of a predetermined area of skin; an imaging device, sensitive to the illumination system, to discern features on or in the skin within the predetermined area of skin to be treated; multiple treatment light sources mounted on an optical bench and aimed and focused to a point of treatment in the predetermined area of skin; a mechanical guidance system to guide the multiple treatment light sources; and a pulse generator to control power output of the multiple treatment light sources based upon the treatment to be applied to the predetermined area of skin.

Abstract: We describe devices, methods, and systems used for hair removal. In particular, we describe hair removal devices, particularly epilation devices, methods of using those devices, and systems including those hair removal devices. Our hair removal devices include, in combination, a.) at least one primary energy source that applies that energy, e.g., radio-frequency (RF), high intensity focused ultrasonic (HIFU) energy, or high intensity light, e.g., intense-pulsed light (IPL) or light from flash lamps or lasers, to the skin or to hair in a continuous, semi-continuous, or pulsed mode and b.) a hair removal component or components, such as rotary mechanical hair removal structures or epilators, that perform a mechanical hair removal step. Auxiliary treatment or control components such as comparatively lower power heaters, ultrasound devices, coolers, impedance measurement devices, etc. may also be included in the combination or used in conjunction with our combination device.

Abstract: Described is a device for driving a dermatological laser. The system includes a first diode, an inductor, a switch, and a photodetector. A first end of the inductor is coupled to an end of the first diode, and a second end of the inductor is coupled to a flashlamp. An electrical control of the switch is coupled to a control system, a first end of the switch is coupled to a power source, and a second end of the switch is coupled to the first end of the inductor and the end of the first diode. The photodetector is adapted to measure at least one of output energy or output power of a laser medium pumped by the flashlamp. The photodetector is in communication with the control system for modulating a flashlamp that drives current to maintain a predetermined value of the measured output energy or output power.

Abstract: The invention relates to a novel medical device for performing laser sweat ablation (LSA) therapy or skin tightening therapy comprising a skin contact member comprising a skin presenting platform of a smooth nature against which skin can smoothly travel and a laser discharge port, which port has a discharge angle between 20° and 60° with respect to the skin contact surface of said platform whereby, in use, laser energy discharging from said port does so at said constant discharge angle whatever the curvature of the skin.

Abstract: The present invention relates to a cells and cell tissue treatment device and use thereof.

Abstract: A PhotoDynamic Therapy (PDT) method is presented for cosmetic rejuvenation, which is exemplified by a two phase approach for treating facial and neck skin aging while minimizing damage to the underlying region of skin being treated. To obtain best results a combination of treatments are used. This includes applying photosensitizer and light energy for stimulating the collagen within the skin, thereby restoring the elasticity of skin. The treatment procedures take about six weeks consisting of impair (damage) and repair (recovery) sessions involving skin preparation by peeling, skin detoxification, application and distribution of photosensitizer to the skin, irradiation of pre-sensitized skin followed by removal of mask. Results of long lasting improvement, especially in comparison with most cosmetic treatments, are obtained upon completion of the series, with marked changes being observed after individual sessions, which provide added incentive to complete a treatment program.

Abstract: A hair-growth adjusting light emitting device includes a device body, a light-emitting unit attached to the device body, and a locking unit for locking the light-emitting unit to the device body. The device body has a main capacitor, a device body connector, an electric power switch, a release switch, and an electric power supplying part. The light-emitting unit has a light-emitting body and a light-emitting body side connector. Furthermore, the hair-growth adjusting light emitting device includes a release restriction mechanism for preventing the light-emitting unit from being released by the release button when the electric power switch is at a power-on position where the electric power supplying part feeds the electric power to the main connector, and a power-on restriction mechanism for preventing the electric power switch from moving to the power-on position when the light-emitting unit is detached from the device body.

Abstract: Light sources and methods for spreading a beam of electromagnetic radiation. The light sources include a scattering element with an outlet and an angular-selective element with an inlet spatially disposed between the outlet of the scattering element and an electromagnetic radiation source. The beam enters the inlet traveling in a direction of propagation and propagates through the beam spreader to the outlet for transmission from the outlet. The scattering element includes a scattering medium configured to scatter the electromagnetic radiation in the beam to provide a two-dimensional spatial distribution for intensity that is substantially uniformly across the outlet. The angular-selective element is configured to reflect a majority of the electromagnetic radiation of the first beam scattered by the scattering medium in a direction opposite to the propagation direction and reaching the angular-selective element.

Abstract: A system and method are provided that are capable of selectively treating a vein using photothermolysis techniques, where an electromagnetic radiation is applied to tissue containing the vein. The radiation can be selected so that it may be more effectively absorbed by veins as compared to arteries. Thus, unwanted thermal damage to arteries in the vicinity of the vein being treated can be reduced or avoided. The radiation can have a frequency of approximately 654 nm, which can provide a ratio of absorption by veins to absorption by arteries of about 3.7. Other wavelengths near 654 nm may be provided, for example, which can have an absorption ratio greater than, e.g., about 3.3 to 3.6.

Abstract: The handpiece for treating the skin with irradiation using a light beam (F1), comprises a first window (1) and a second window (2) and first means for cooling the first window (1). Said first window (1) and said second window (2) are positioned opposite one another and are separated by a gas-filled space. They are capable of transmitting a light beam (F1) and said first window (1) is intended to be applied in contact with the skin during the treatment. The handpiece comprises means for heating the gas between the two windows (1, 2).

Abstract: Lasers capable of lasing at least two wavelengths are provided having a lasing medium which is capable of lasing at a first wavelength and at a second wavelength. Also provided are laser workstations having two lasers driven by a single electronics drive system in which a single energy storage network is connected to a first laser pump chamber operative to excite a first laser medium and connected to a second laser pump chamber operative to excite a second laser medium. Also provided are methods of treating skin having a skin problem using multiple wavelengths of laser energy.

Abstract: A combination therapy pad that includes a first layer and a second layer operatively coupled to the first layer. A fiber-optic array is disposed between the first layer and the second layer. A third layer is operatively coupled to the first layer. The third layer includes a vacuum tube in fluid communication with a vacuum source and a therapeutic fluid tube in fluid communication with a therapeutic fluid source. The third layer provides at least one of vacuum therapy and therapeutic fluid treatment to a wound area.

Abstract: A method and apparatus that will alter the fibrous strands in the fatty layers of the skin to reduce the appearance of cellulite and adipose tissue. Electromagnetic energy is used to selectively shrink or alternatively photoacoustically ablate the collagen in the constricting bands of connective tissue that causes the dimpled appearance of cellulite and adipose tissue while avoiding damage to the surrounding fatty cells.

Abstract: A dermatological skin treatment device is provided. The device comprises a handpiece and a cutting tool, wherein the tool is inserted through the conduit and percutaneously inserted into a tissue disposed within a recessed area of the handpiece. The device and method cut the fibrous structures under the skin that cause cellulite at an angle substantially parallel to the surface of the skin and replace these structures with a non-cellulite forming structure by deploying a highly fibrous mesh through a single needle hole to create a highly fibrous layer directly or through wound healing processes.

Abstract: A modulating light having a wavelength of 600 nm to 1000 nm excluding a range of 870 nm to 910 nm is irradiated to a portion around hair roots such that a light absorptive component existing in a human body around the hair roots absorbs the light for modulating hair growth. The light having the wavelength in the above range enhances hair growth free from causing inflammation, yet safely and gentle to skin.