Class / Patent application number | Description | Number of patent applications / Date published |
606011000 | Beam energy control or monitoring | 69 |
20080221559 | Calibration and Quality Assurance System For Use With Ophthalmic Surgical Devices and Associated Methods - A method for determining a peak fluence of an excimer laser includes scanning an excimer laser beam in a predetermined pattern on a film. The film can include a polymer layer atop a substrate including an upper layer having a first characteristic and a lower layer having a second characteristic detectably distinct from the first characteristic. The predetermined pattern includes a plurality of discrete points receiving incrementally greater numbers of pulses, at least one point receiving a sufficient number of pulses to penetrate through the polymer layer and the upper layer. A breakthrough point is detected at which a smallest number of pulses was sufficient to penetrate through the polymer layer and the upper layer, thereby exposing the lower layer to a detection of the second characteristic. A peak fluence of the excimer laser can then be determined from the number of pulses received at the detected breakthrough point. | 09-11-2008 |
20080287935 | SYSTEM AND METHOD FOR PHOTOABLATION USING MULTIPLE FOCAL POINTS USING CYCLICAL PHASE MODULATION - A system and method for performing ophthalmic laser surgery requires directing a laser beam through a stationary beam splitter to create a pattern of multi-focal spots. Also, a beam scanner is used to move this pattern along a substantially spiral path in a target area of tissue. To compensate for cyclical changes in orientation of the pattern relative to its spiral path, a computer is used to phase modulate pattern movement. Specifically, this phase modulation is expressed as: | 11-20-2008 |
20090043296 | PHOTODYNAMIC THERAPY WITH SPATIALLY RESOLVED DUAL SPECTROSCOPIC MONITORING - An instrument for photodynamic therapy applies treatment light from a dye laser, white light, and ultraviolet fluorescence excitation light from an LED onto a lesion and surrounding areas in a time-multiplexed manner. The reflected white light is analyzed in a spectrometer to determine a correction for the dynamic optical spectral properties of the patient's tissue. Light emitted by fluorescence from the lesion and the surrounding areas is analyzed in another spectrometer, and the results are corrected in a computer, using the correction. An optical switch has been developed for the instrument, using a bistable solenoid and a sled. | 02-12-2009 |
20090105698 | Medical Laser User Interface - The medical laser user interface of the present invention generally comprises a medical laser unit and a control system. The medical laser unit includes an optical probe for delivering laser light to a patient's tissue. The control system controls operation of the medical laser unit. Specifically, the control system provides a foot pedal system that enables the user to switch between the delivery of a first wavelength of laser light and a second wavelength of laser light through depression of a foot pedal. In a first embodiment, a single foot pedal can be used to toggle the wavelengths, where as in a second embodiment two foot pedals can be use, i.e., one for the first wavelength and one for the second wavelength. The two wavelengths provided include a wavelength for vaporization of tissue and a wavelength for coagulation. | 04-23-2009 |
20090112193 | Systems and devices that utilize photolyzable nitric oxide donors - The present disclosure relates to systems and devices that utilize photolyzable nitric oxide donors. | 04-30-2009 |
20090112194 | LASER SYSTEM - A laser system ( | 04-30-2009 |
20090137997 | Interventional system providing tissue ablation cooling - An interventional system integrates a laser optical cooling unit into a medical catheter device for treating coronary artery disease (CAD) to safely steer and control cardiac tissue temperature and thermal patterns to prevent cardiac disease, tissue damage and myocardial ischemia or infarction, for example. An interventional system provides tissue ablation and cooling using a catheterization device. The catheterization device for internal anatomical insertion includes, a laser light emitting node for optical cooling of anatomical tissue, an ablation node for use in surgical removal of anatomical tissue and a temperature sensor. The temperature sensor senses temperature of anatomical tissue for use in regulating heating and cooling of tissue resulting from use of the ablation node and the laser light emitting node. | 05-28-2009 |
20090171329 | Spaster pattern and pulse blanking - System and method of photoaltering a region of a material using a pulsed laser beam. The method includes scanning the pulsed laser beam in a first portion of the region with a first pattern, scanning the pulsed laser beam in a second portion of the region with a second pattern, and separating a flap of the material at the region. The system includes a laser, a controller selecting at least first and second patterns, and a scanner operable in response to the controller. The first pattern has a first maximum acceleration associated with the second portion, and the second pattern has a second maximum acceleration associated with the second portion. The second maximum acceleration is less than the first maximum acceleration. The scanner scans the pulsed laser beam from the laser in the first portion with the first pattern and in the second portion with the second pattern. | 07-02-2009 |
20090216219 | PHOTON THERAPY DEVICE - The invention provides a controller unit for controlling the emission of at least on photon emitted source, the controller unit includes a central processing unit pre-programmed with selectable pre-programmed photonic emission protocols. The photonic emission protocols include parameters for regulating photonic emission from photon emitting sources, with the protocols having a pulsed emission mode for about 30% of the duration of each protocol, and a continuous emission mode for about 70% of the duration of each protocol, with a pulse rate selected from a range of frequencies of between 120 Hz and 20,000 Hz when in the pulsed emission mode. | 08-27-2009 |
20090281531 | INTERVENTIONAL AND THERAPEUTIC ELECTROMAGNETIC ENERGY SYSTEMS - Output optical energy pulses having relatively high energy magnitudes and short durations are combined with optical energy pulses having relatively low energy magnitudes and long durations. | 11-12-2009 |
20100016842 | Tapered Liquid Light Guide - A catheter tip is provided according to various embodiments of the disclosure. The catheter tip may comprise a distal end, a proximal end, and tubular walls. The distal end includes a distal aperture with a distal inside diameter, and the proximal end includes a proximal aperture with a proximal inside diameter. The proximal inside diameter may be greater than the distal inside diameter. The proximal end comprises attachment means configured to couple the proximal end with a distal end of a laser catheter. The tubular walls may include at least an inside taper from the proximal end to the distal end such that the inner tubular walls generally taper from the proximal inside diameter to the distal inside diameter. Moreover, the tubular walls may be configured to direct at least a liquid medium, for example, a biocompatible solution, toward the distal aperture. | 01-21-2010 |
20100049179 | LASER PROCESSING APPARATUS, OSSEOINTEGRATION METHOD, IMPLANT MATERIAL, AND IMPLANT-MATERIAL FABRICATION METHOD - A method of integrating bone and implant material includes drilling a hole in either one of the bone and the implant material through to a junction of the bone and the implant material by applying a laser beam to either one of the bone and the implant material and integrating the bone and the implant material by applying a laser beam to the junction through the hole drilled at the drilling. | 02-25-2010 |
20100057061 | Radiotherapeutic apparatus - A radiotherapeutic apparatus comprises a source of therapeutic radiation, a source of visible light arranged to cast a light field corresponding to the beam of radiation, and a multileaf collimator for shaping the beams, wherein a filter is disposed in the path of the visible light beam having a plurality of linear dark sections corresponding to leaves of the collimator. This prevents the incident light from falling on the leaves and removes the ghost images at source. By placing the filter in the head, the line can be very narrow and will be blurred into penumbra at the isocentre. This is therefore a very inexpensive yet effective method of reducing ghosting. A mirror can deflect the path of the visible light to correspond to that of the radiation beam, and the filter can be disposed anywhere in the beam path, such as prior to the mirror, subsequent to the mirror and prior to the collimator, or subsequent to the collimator. The filter thus creates dark sections in the light field corresponding to leaves (preferably all the leaves) of the collimator. | 03-04-2010 |
20100087804 | SYSTEM AND METHOD FOR TREATING TISSUE - A method and system for tissue treatment, wherein the method includes transmitting energy onto tissue to be treated, and maintaining a required distance, during the tissue treatment, between a hand piece and the tissue. The method may further include applying a soldering agent for facilitating tissue soldering, used as adhesive to various types of protein in human tissue, wherein the transmitting energy activates the soldering agent applied on the tissue. | 04-08-2010 |
20100280504 | TISSUE ABLATION DEVICE WITH PHOTOACOUSTIC LESION FORMATION FEEDBACK - A tissue ablation device employs one or more energy emitters ( | 11-04-2010 |
20100292679 | Method and apparatus for controlled laser ablation of material - A method and apparatus to produce controlled ablation of material through the use of laser pulses of short pulse widths at short wavelengths. | 11-18-2010 |
20110040295 | Cancer treatment using selective photo-apoptosis - A system for cancer treatment comprises a processor and a memory. The processor is configured to receive a target type and a host type and determine one or more illumination source characteristics such that: an illumination of the target type employing the one or more illumination source characteristics induces apoptosis in the target type without initiating thermolysis or ablation of the target type; and an illumination of the host type employing the one or more illumination source characteristics does not substantially induce apoptosis, thermolysis, or ablation in the host type. The memory is coupled to the processor and configured to provide the processor with instructions. | 02-17-2011 |
20110077627 | System and method for Microablation of tissue - The present invention generally relates to the field of laser treatment of tissue, and particularly, to a system and method for creating microablated channels in skin. The present invention is more particularly directed to treating subsurface tissue through the created channels. | 03-31-2011 |
20110106068 | FOOTSWITCH OPERABLE TO CONTROL A SURGICAL SYSTEM - The present invention provides a surgical footswitch that includes a base, a pedal, an encoder assembly, a wireless interface, and an internal power generator. The pedal mounts upon the base and pivots. The encoder assembly couples to the pedal. As the pedal pivots, the encoder assembly translates the mechanical signal of the pedal into a control signal based on the pedals position and/or orientation. The wireless interface couples the encoder assembly to receive the control signal. The wireless interface also couples the surgical footswitch to a surgical console operable to control and direct surgical equipment. The wireless interface passes the control signal from the encoder to the surgical console, which then directs the surgical equipment based on the control signal. This wireless interface eliminates the tangle of wires or tethers, which may be a hazard in the surgical theater. The internal power generator translates footswitch movement into stored energy to eliminate potential failures of the footswitch during a procedure and overcome the need to replace batteries within the footswitch. | 05-05-2011 |
20110196355 | FLASH VAPORIZATION SURGICAL SYSTEMS - A laser can produce pulses of light energy to eject a volume of the tissue, and the energy can be delivered to a treatment site through a waveguide, such as a fiber optic waveguide. The incident laser energy can be absorbed within a volume of the target tissue with a tissue penetration depth and pulse direction such that the propagation of the energy from the tissue volume is inhibited and such that the target tissue within the volume reaches the spinodal threshold of decomposition and ejects the volume, for example without substantial damage to tissue adjacent the ejected volume. | 08-11-2011 |
20120022511 | LASER MODULATION FOR COAGULATION - An apparatus ( | 01-26-2012 |
20130289546 | PRODUCING HIGHER OPTICAL ABLATIVE POWER USING MULTIPLE PULSES HAVING CONTROLLABLE TEMPORAL RELATIONSHIPS - The use of multiple pulses having controllable temporal relationships can produce higher optical ablative pulse peak power using split by color pulses. Split pulses can be controllably delayed to increase pulse peak power, average power and/or repetition rate in single-amplifier or multi-amplifier systems. | 10-31-2013 |
20130317489 | Skin Wound Treatment System, Dressing and Biochemical Activation Device for the Use of Such a System - The present invention relates to a system for treatment of skin wounds, comprising an energy source for activation of a biochemical healing effect, and at least one dressing intended to be placed on the wound before the step of activation by said energy source, characterized in that said dressing comprises an identification means interacting in a contactless manner with a sensor that triggers the function of the energy source only when the distance between the sensor and said identification means is below a threshold value. | 11-28-2013 |
20140018784 | SELECTIVE LASER VAPORIZATION OF MATERIALS - A system may include a laser configured to output laser light with a wavelength between 600-780 nm, and a radiation delivery device. The radiation delivery device may be configured to output the laser light to a mesh or suture implant so that the mesh or suture implant is exposed to the laser light. The mesh or suture implant is attached to a patient and surrounded at least partially by tissue of the patient. The mesh or suture implant is vaporized by exposure to the laser light while tissue exposed to the laser light is not damaged by the laser light. | 01-16-2014 |
20140025051 | APPARATUS FOR OPTICAL SURGERY AND METHOD FOR CONTROLLING SAME - The present invention relates to an apparatus for optical surgery and to the method for controlling same, and provides the apparatus for optical surgery and a method for controlling same, comprising: a cutting open-energy source for generating the cutting open-energy for cutting open a surgery area; a hemostasis energy source for generating energy for hemostasis, which is formed separately from the cutting open-energy source, for stopping bleeding at the cut open surgery area; a hand piece, which is connected to the cutting open-energy source and the hemostasis energy source, for providing the cutting open-energy and the hemostasis energy to the surgery area; and a control part for controlling the cutting open-energy and the hemostasis energy, which are provided through the hand piece. | 01-23-2014 |
20140243805 | METHOD AND DEVICE FOR COMBINED TEMPERATURE-CONTROLLED LASER THERAPY BY MEANS OF A MULTIFUNCTIONAL THERAPY LASER - A laser therapy device includes a solid-state laser configured for a CW operation and including a pump source, and a controller configured to generate at least one first pulse of the laser in a first-pulse operation. The controller is configured to switch on the pump source to a pump power level S1 at least once during the first-pulse operation. A rise time E, after which the pump power level S1 of the pump source is attainable and starting from the time the pump source is switched on, is in a range of 50 ns to 350 ns. | 08-28-2014 |
20140276688 | System And Method For Simultaneous Laser Cutting And Cauterization Of Tissue - A method is disclosed for substantially cutting and cauterizing tissue during a surgical procedure. The method involves using a first laser beam to irradiate a first area. The first laser beam is configured in intensity and duration to cut the tissue within the first area, and further causes a temporary increase in an absorptivity of tissue in a second area in proximity to the first area. A second laser beam is used to irradiate the second area while the temporary increase in absorptivity is occurring. The second laser beam has a different intensity than the first laser beam and cauterizes tissue within the second area substantially simultaneously with the cutting of the tissue in the first area. | 09-18-2014 |
20150057647 | FLASH VAPORIZATION SURGICAL SYSTEMS - A laser can produce pulses of light energy to eject a volume of the tissue, and the energy can be delivered to a treatment site through a waveguide, such as a fiber optic waveguide. The incident laser energy can be absorbed within a volume of the target tissue with a tissue penetration depth and pulse direction such that the propagation of the energy from the tissue volume is inhibited and such that the target tissue within the volume reaches the spinodal threshold of decomposition and ejects the volume, for example without substantial damage to tissue adjacent the ejected volume. | 02-26-2015 |
20150126982 | FIBER LASER SYSTEM FOR MEDICAL APPLICATIONS - Improved/efficient fiber laser systems are provided for medical/cosmetic applications, comprising at least one pump source, optically coupled with at least one fiber laser. The fiber laser comprises an irregularly-shaped single-, double- or multiple-clad fiber of unconventional structure and geometry, and means for partially/completely reflecting the pump radiation, such as Bragg gratings. The fiber laser system further comprises at least one fiber optic delivery device optically coupled with the pump source, with the irregularly-shaped single-, double- or multiple-clad fiber laser, or with both, to convey laser radiation to a treatment site. The fiber optic delivery device comprises one or more waveguides, preferably optical fibers. The irregularly-shaped fiber laser and waveguides of the fiber optic delivery device have the same or different tip configurations to perform the treatment according to therapeutic needs. In a preferred embodiment, the fiber laser treatment system operating at 915+30 nm, 975±30 nm and/or 1550±40, comprises control means to select delivery of one, two or three output laser beams, and regulates their respective output powers. | 05-07-2015 |
20150305811 | DEVICE AND METHOD FOR LASER TREATMENTS - Improved, efficient devices/methods for medical and cosmetic applications, involving the delivery of laser energy to tissue are provided. In a preferred embodiment a portable, easy-to-use laser system comprises at least one laser source operating at one or more laser wavelengths; an electronic visual display having a n-dimensional input interface to set/select laser parameters; and at least one waveguide optically coupled to the laser source to convey laser radiation to a treatment site. The n-dimensional input interface inputs/selects lasing parameters which allows the selection of a combination of output wavelengths and powers by simply touching the electronic visual display. Method of use comprises the steps of placing at least one waveguide at preselected treatment site; selecting a combination of laser wavelengths and power by interacting with an electronic visual display; and irradiating the treatment site. | 10-29-2015 |
20150342677 | REMOTE CONTROL SWITCH FOR A LASER SYSTEM - A laser system for use in an environment is disclosed. The laser system may include a base unit including a laser, a controller operatively coupled to the laser, and a first antenna operatively coupled to the controller. The laser system may further include a laser energy delivery system having a first end which receives laser energy from the laser and a second end which delivers the laser energy to the environment. The laser system may further include a switch unit located remote from the base unit and including a switch controller, a second antenna operatively coupled to the switch controller, and a user operable switch. The switch unit may be connected to the base unit through a tether. The controller may determine when the laser energy is provided to the laser energy delivery system based on a signal from the switch unit, the signal being sent wirelessly to the controller from the second antenna of the switch unit to the first antenna of the base unit. | 12-03-2015 |
20150359593 | CONVERTIBLE OPTICAL AND PRESSURE WAVE ABLATION SYSTEM AND METHOD - The present disclosure relates to a system and method for providing laser energy through a catheter towards a second end portion of the catheter. Based on a characteristic of the laser energy multiple types of ablation therapy may be implemented. A first ablation therapy is directed at the target site when the laser energy at the second end portion of the laser energy delivery system has a first characteristic. A second ablation therapy is directed at the target site when the laser energy at the second end portion of the laser energy delivery system has a second characteristic. The first ablation therapy may be an optical ablation therapy wherein the laser energy is directed at the target site as optical energy and the second ablation therapy may be a pressure wave ablation therapy wherein pressure waves are directed at the target site as pressure wave energy. | 12-17-2015 |
20160100886 | LASER MODULATION FOR COAGULATION - An apparatus has a pump module providing pump energy, a resonator and a controller. The resonator includes a gain medium receiving the pump energy from the pump module and producing light; reflective surfaces reflecting light produced by the gain medium back toward the gain medium; and a variable light attenuator receiving light produced by the gain medium. The controller controls the amount of light attenuated by the variable light attenuator such that the apparatus emits windows of pulses of laser light at spaced time intervals, each window containing a plurality of pulses of laser light and each interval between windows being larger than an interval between pulses within a window. The emitted windows of pulses of laser light heat tissue to a temperature that causes coagulation without vaporization. | 04-14-2016 |
20160135890 | CUTTING HUMAN OR ANIMAL BONE TISSUE AND PLANNING SUCH CUTTING - Method for planning a process of cutting human or animal bone tissue. The method includes: obtaining initial data of an initial situation of the bone tissue; defining target data of a target situation of the bone tissue; and computing a cut geometry using the initial data and the target data for cutting the bone tissue apart. The cut geometry includes a structure such that the bone tissue is reassemblable in an at least in one degree of freedom in the target situation after being cut apart along the cut geometry. By shaping the structure of the cut geometry according to the target situation the planned cut can be provided with a particular function. Such a functional cut can geometrically define and restrict possible movements of cut apart bone portions. The functional cut can allow for comparably precisely repositioning the bone into the target position and any movement therefrom can be prevented. | 05-19-2016 |
20160151114 | WALL THICKNESS COMPENSATION DURING LASER ORIFICE DRILLING | 06-02-2016 |
20160175021 | CONTROL MODULE FOR A POWERED SURGICAL TOOL, THE MODULE INCLUDING A SHELL HAVING ACTIVE SEALS DISPOSED AROUND THE CONDUCTIVE PINS THAT EXTEND INTO THE SHELL | 06-23-2016 |
20160184016 | System and Method of Managing Portable Laser Therapy Apparatus - Provided is a method of using a computer system to manage a remote laser emitting apparatus used in medical treatments, including the computer system receiving, through computer data communication, apparatus identification information associated with a remotely located laser emitting apparatus, and user identification information associated with a user of the laser emitting apparatus, the computer system storing the apparatus identification information and user identification information, the computer system correlating, in response to receiving data regarding a purchase of one or more treatment credits by the user, the purchased treatment credits to the laser emitting apparatus associated with the user, and the computer system communicating the purchased treatment credits to the laser emitting apparatus through computer data communication, wherein the purchased treatment credits authorize the laser emitting apparatus to perform a number of treatments corresponding to the purchased treatment credits. | 06-30-2016 |
20160192988 | Multiple Laser Source System for Portable Laser Therapy Apparatus | 07-07-2016 |
20190142514 | APPARATUS FOR EMITTING LASER PULSES | 05-16-2019 |
606012000 | Condition responsive | 30 |
20080234670 | SYSTEM AND APPARATUS PROVIDING A CONTROLLED LIGHT SOURCE FOR MEDICINAL APPLICATIONS - An application for a light source for killing blood pathogens. The light source includes multiple ultraviolet light emitting diodes and a visible-spectrum light emitting diode. A light mixer combines light from the ultraviolet light emitting diodes and the visible-spectrum light emitting diode and focuses a mixed light into a fiber optic for delivery to an intravenous needle. A controller adjusts an amount of current delivered to the ultraviolet light emitting diodes and visible-spectrum light emitting diode. A touch screen is interfaced to the controller for inputting commands and a display is interfaced to the controller for outputting information. | 09-25-2008 |
20080262484 | Motion-controlled laser surface treatment apparatus - An exposure apparatus for skin treatment or other applications includes a laser diode module controller that is configured to operate one or more laser diodes that are situated to provide optical radiation to an exposure aperture. A two-dimensional position sensor is secured to the exposure aperture and provides an exposure aperture translation signal that is coupled to the laser diode module controller. Delivery of optical radiation to the exposure aperture by the laser diode module controller is based on an exposure aperture translation or velocity that is estimated based on the exposure aperture translation signal. In addition, a clock or timer is coupled to the laser diode module controller to permit selection of laser diode pulse duty cycle or to provide safe or comfortable skin treatment. The two dimensional position sensor can be based on optical sensing such as provided in an optical mouse, and can also provide proximity sensing for safe, efficient operation. | 10-23-2008 |
20090112195 | Means for Calculating an Operating Parameter (Energy, Power or Duration of Emission) of an Endovenous Laser - The invention concerns a means for calculating an operating parameter of an endovenous laser delivering a value of the energy (E) of the laser beam, or a value of the power (P | 04-30-2009 |
20090143773 | DEVICE FOR ASSISTANCE IN THE WOUND HEALING PROCESSES - A device that assists in the wound healing process that takes into account the different skin types that are laser-treated in order to optimise the effectiveness of the wound-healing processes and to avoid any burning. The device comprises a laser source suitable for emitting a beam whose wavelength is between approximately 800 nanometres and approximately 820 nanometres and includes a control module suitable for controlling the laser source according to data regarding the skin type of the patient to be treated. | 06-04-2009 |
20090149845 | Methods and apparatus for preventing damage to optical fibers caused by thermal runaway - A temperature of a laser treatment area is monitored and an output of a laser is controlled or modulated to prevent damage resulting from thermal runaway or burn back. The detector may be positioned proximate or at a distal end of the fiber, and may be in the form of a detector arranged to detect leakage of higher order propagation modes from a bend in the fiber. Manual or automatic cleaning of the fiber may be initiated upon detection of overheating, either by dipping the fiber in a cleaning solution or supplying cleaning fluid to the fiber or treatment area. A fiber position detector may also be included to prevent damage when the fiber is withdrawn into an introducer or catheter. | 06-11-2009 |
20090177191 | Laser surgery methods and apparatus - A temperature of a laser treatment area is monitored and an output of a laser is controlled or modulated to prevent damage resulting from thermal runaway or burn back. The detector may be positioned proximate or at a distal end of the fiber, and may be in the form of a detector arranged to detect leakage of higher order propagation modes from a bend in the fiber. Manual or automatic cleaning of the fiber may be initiated upon detection of overheating, either by dipping the fiber in a cleaning solution or supplying cleaning fluid to the fiber or treatment area. A fiber position detector may also be included to prevent damage when the fiber is withdrawn into an introducer or catheter. UV radiation may be applied to the treatment site to prevent closing down of blood vessels upon introduction of a catheter or the bare fiber. | 07-09-2009 |
20100042083 | CONTROL METHOD AND STRUCTURE OF LASER BEAM IRRADIATION BY USING A CONTACT SENSOR - The present invention relates to a laser beam control structure and method. A laser beam control structure of the present invention comprises a handpiece for irradiating laser beams output from a laser beam output device, on a predetermined part; at least one electrode unit positioned at a human body contact portion of the handpiece and receiving hum noise generated from a human body; and a control unit electrically connected to the electrode unit so as to measure the hum noise applied from the electrode unit and to cause the laser beams to be irradiated according to the measured hum noise. According to the present invention, there are advantages in that various types of hum noise generated from a human body are measured without applying an electric current to the human body, and a laser beam is irradiated according to the measured hum noise. | 02-18-2010 |
20100049180 | SYSTEM AND METHOD FOR CONDITIONING ANIMAL TISSUE USING LASER LIGHT - Systems and methods for prophylactic measures aimed at improving wound repair. In some embodiments, laser-mediated preconditioning would enhance surgical wound healing that was correlated with hsp70 expression. Using a pulsed laser (λ=1850 nm, Tp=2 ms, 50 Hz, H=7.64 mJ/cm | 02-25-2010 |
20100082020 | MEDICAL LASER APPARATUS HAVING CAPACITANCE SENSOR AND LASER EMISSION CONTROL DEVICE - A medical laser apparatus having a capacitance sensor and a laser emission control device is provided, which can improve the safety by sensing whether a laser handpiece is in contact with a skin using the capacitance sensor and emitting a laser beam only when the handpiece is in contact with the skin, and which can improve the accuracy by making it possible to confirm whether the handpiece stands perpendicular to the skin surface. The medical laser apparatus includes a main body | 04-01-2010 |
20100106145 | ABLATION TECHNIQUE FOR COSMETIC SURGERY - A method of non-invasive treatment of the human body is described by ablating a muscle or a nerve controlling the muscle. The method comprises stimulating a muscle to emit an electromyographic signal. The electromyographic signal is detected to ascertain the location of the said muscle or alternatively the nerve. The muscle or nerve is heated by means of optical energy while cooling the skin in the vicinity of the said muscle or nerve. Then radio frequency energy is applied to the muscle or nerve to ablate or partially to ablate said muscle or nerve. | 04-29-2010 |
20110190746 | CONTACT LASER ABLATION OF TISSUE - Apparatus and methods are described for laser ablation of tissue. The apparatus and methods utilize a laser source coupled to a fiberoptic laser delivery device and a laser driver and control system with features for protection of the laser delivery device, the patient, the operator and other components of the laser treatment system. Advantageously, the laser source may utilize laser diodes operating at approximately 975 nm, 1470 nm, 1535 nm or 1870 nm wavelengths with a laser power output of at least 60 watts, preferably greater than 80 watts and most preferably 120-150 watts or higher. The invention, which has broad medical and industrial applications, is described in relation to a method for treatment of benign prostatic hyperplasia (BPH) by contact laser ablation of the prostate (C-LAP). | 08-04-2011 |
20110218524 | METHOD AND APPARATUS FOR LASER-BASED SURGERY AND TREATMENT - The present invention relates to a method and apparatus for laser-based surgery and treatment, in particular of the human body. Inter alia, the present disclosure teaches an apparatus having a femtosecond laser that emits at least one pulse of laser energy having a pulse duration of less than 100 femtoseconds and a fiber optical channel for conducting said emitted pulse of laser energy to a vicinity of a human body to irradiate a localized area of said human body to effect at least one of microsurgery, neurosurgery, treatment of cardiovascular disease, treatment of the skin, tissue removal for biopsy, cutting of a mucous membrane, disintegration or vaporization of a gallstone or a kidney stone, and orthopedic surgery. | 09-08-2011 |
20110238048 | LASER SURGERY CONTROLLER WITH VARIABLE TIME DELAY AND FEEDBACK DETECTOR SENSITIVITY CONTROL - A handheld controller for laser surgical applications includes a variable time delay control to allow a surgeon to delay interruption of laser firing in response to feedback from an overheating detector, and a detector sensitivity control for changing a sensitivity of the detector. | 09-29-2011 |
20130123763 | CONTROL METHOD AND STRUCTURE OF LASER BEAM IRRADIATION BY USING A CONTACT SENSOR - The present invention relates to a laser beam control structure and method. A laser beam control structure of the present invention comprises a handpiece for irradiating laser beams output from a laser beam output device, on a predetermined part; at least one electrode unit positioned at a human body contact portion of the handpiece and receiving hum noise generated from a human body; and a control unit electrically connected to the electrode unit so as to measure the hum noise applied from the electrode unit and to case the laser beams to be irradiated according to the measured hum noise. According to the present invention, there are advantages in that various types of hum noise generated from a human body are measured without applying an electric current to the human body, and a laser beam is irradiated according to the measured hum noise. | 05-16-2013 |
20130172863 | DETERMINING APPARATUS AND DETERMINING METHOD - A photodynamic therapy apparatus as a determining apparatus is the photodynamic therapy apparatus for irradiating a tissue having absorbed photo-sensitive pharmaceutical, the photo-sensitive pharmaceutical absorbing an excitation light and emitting fluorescence, or a tissue absorbing the excitation light and emitting fluorescence, with the excitation light emitted from a tip portion of a laser catheter, including a connector, a light source, and a light detection unit. The laser catheter is capable of being attached/detached to/from the connector. The light source outputs the excitation light to the laser catheter via the connector. The light detection unit detects intensity or a spectrum of the fluorescence, the fluorescence being entered from the laser catheter via the connector, to determine whether the tip portion of the laser catheter contacts the tissue or not. | 07-04-2013 |
20130310820 | DEVICE AND METHOD FOR IMPROVED TREATMENT OF BODY LUMENS - A method/device are disclosed for performing procedures in body lumens using a local energy source, with quantitative information to determine treatment parameters, to accomplish efficient, safe body lumen treatment. In one embodiment, the system comprises a special optical fiber connected to a laser device capable of emitting laser radiation, receiving reflected laser radiation and processing signals as fiber is inserted into body lumen. Quantitative measurements are carried out, while advancing the optical fiber along the lumen. In another embodiment, lumen diameter and tissue reflectivity are measured along lumen's length. The system uses accumulated data to calculate/set optimal treatment parameters, such as radiation parameters and withdrawal speed, employing physical-mathematical models relating lumen characteristics to the energy/length required to efficiently treat the lumen. Once optical fiber reaches start position, lumen characteristics have been mapped along its complete length. Laser device may include a manual, automatic or semi-automatic pullback system with a sound/visual signal for guiding physician regarding optimal withdrawal speed. | 11-21-2013 |
20140012241 | HYPERTHERMIA TREATMENT AND PROBE THEREFOR - In vivo hyperthermia treatment of a target tissue can include imaging the target tissue with a magnetic resonance imaging (MRI) system, positioning a hyperthermia treatment probe in or proximate to the target tissue based on the imaging, and heating the target tissue by the probe. During the heating, changes in temperature of a volume of tissue that includes the target tissue can be monitored with the MRI system to determine an amount of the heating applied to the target tissue, and the heating can be terminated when the amount of the heating reaches a predetermined amount. | 01-09-2014 |
20140074076 | NON-INVASIVE AUTONOMIC NERVOUS SYSTEM MODULATION - A system for applying energy to nerves surrounding blood vessel can include a piezoelectric array comprising a plurality of ultrasound elements, a controller configured to individually control a phasing of each of the ultrasound elements, a platform on which the ultrasound elements are coupled, wherein the platform is configured to support at least a part of the patient, a programmable generator configured to generate an output power for at least one of the ultrasound elements, and a programmable processor configured to process a signal transmitted from one of the ultrasound elements and reflected back from tissue, and determine a tissue characteristic based on the reflected signal. | 03-13-2014 |
20140207129 | METHODS AND SYSTEM FOR IMAGE GUIDED CELL ABLATION WITH MICROSCOPIC RESOLUTION - The invention provides systems and method for the removal of diseased cells during surgery | 07-24-2014 |
20140214015 | SYSTEM FOR PREVENTING BLOOD CHARRING AT LASER BEAM EMITTING SITE OF LASER CATHETER - This invention provides a method and a system for preventing charring at a laser beam emitting site during treatment or diagnosis using a laser catheter for applying a laser beam. The method is intended to control laser beam irradiation of an apparatus equipped with a laser catheter comprising a laser beam transmission means and a laser beam emitting site used for diagnosis or treatment with the irradiation of the inside of a blood vessel or heart cavity with a laser beam. The method for controlling laser beam irradiation is intended to prevent blood charring at a laser emission site of an apparatus equipped with a laser catheter, and the method comprises a step of controlling a laser beam output in accordance with temporal changes in the intensity of the diffuse reflected light beam by erythrocytes applied to the inside of a blood vessel or heart cavity. | 07-31-2014 |
20140276689 | SMART MULTIPLEXED MEDICAL LASER SYSTEM - A system includes a laser catheter and a rotating optical member to receive a laser beam along an optical path and rotate to a selected position to redirect the laser beam from the optical path onto one or more selected optical fibers of a laser catheter, wherein a distal end of the laser catheter irradiates an endovascular structure. | 09-18-2014 |
20140276690 | CONTROLLER TO SELECT OPTICAL CHANNEL PARAMETERS IN A CATHETER - A system can include a microprocessor executable controller configured, based on one or more of total fiber active area of a laser catheter, imaging information regarding the target and/or non-target endovascular structure(s), target endovascular structure characterization information, current location and/or orientation of a distal tip of the laser catheter, and area of contact of the distal tip with the target and/or non-target endovascular structure to select at least one of a fiber active area for each optical channel, a number of optical channels, a configuration of fibers in an optical channel, an optical channel to be irradiated, and an ordering of optical channel irradiation. | 09-18-2014 |
20140276691 | COMBINATION DIFFUSED AND FOCUSED FIBER OPTIC FOR DIAGNOSIS AND TREATMENT OF DISEASED CELLS - A method of treating diseased cells including the steps of instilling an optical imaging agent to a tissue of a patient, accessing the tissue with a device comprising a fiber tip, emitting a first light from the fiber tip and photodynamically diagnosing abnormal cells, and emitting a second light from the fiber tip to treat the abnormal cells. The first light can be a first power blue light and the second light can be a second power blue light, where the first power blue light can be a lower power than the second power blue light. | 09-18-2014 |
20140288542 | HYPERTHERMIA TREATMENT AND PROBE THEREFORE - A method of using a probe that emits energy to coagulate lesions is disclosed. The probe is constructed and arranged to emit light from its distal end, either at an angle to its longitudinal axis, or along its longitudinal axis. Optionally, an end reflector may be used to direct the energy in a beam to one side of the fiber end. A reinforcing sleeve for the fiber is mounted to a shielded, Piezo-electric motor constructed and arranged to move the fiber both longitudinally and rotationally within an optional elongate cannula. An MRI system is arranged to generate a series of output signals indicative of temperature in the targeted area. The application of energy is stopped when the temperature at the boundary of the lesion reaches the required hyperthermic temperature. Cooling of the tip portion of the probe is effected by expansion of a supplied cooling fluid through a restrictive orifice into an expansion zone at the probe end. The fiber is encased in a stiff tubular titanium probe with a relatively small fluid supply duct inside the probe with the interior of the probe acting as a return duct for the expanded liquid. The temperature of the probe end is monitored by a sensor in the probe end and controlled by controlling the pressure in the supplied cooling fluid. | 09-25-2014 |
20150018807 | RAMAN-TRIGGERED ABLATION/RESECTION SYSTEMS AND METHODS - A Raman-based resection system and methods of operation thereof are disclosed. The method includes producing, via an ablation laser, an interrogation electromagnetic radiation over a scanning point of a sample having been treated with a Raman reporter, the ablation laser illuminating the scanning point at an interrogation power level; acquiring, via a detector, a signal indicative of scattered photons emanating from the scanning point following the illumination; determining, via a processor, whether the acquired signal is indicative of the presence of the Raman reporter in and/or upon the scanning point; and, responsive to a determination of the presence of the Raman reporter in and/or upon the scanning point, producing, via the ablation laser, an ablation electromagnetic radiation over the scanning point to ablate tissue at the scanning point, wherein the ablation electromagnetic radiation is at a power level sufficient to ablate tissue. | 01-15-2015 |
20150038955 | SKIN CONTACT DETECTING DEVICE FOR A DEVICE TO BE SECURED - The invention relates to a skin contact detecting device ( | 02-05-2015 |
20150045778 | OBJECT INFORMATION ACQUIRING APPARATUS, LASER APPARATUS, AND MEDICAL APPARATUS - An object information acquiring apparatus is used which includes a laser medium that oscillates laser light, an excitation source that excites the laser medium, a voltage accumulator that applies a voltage to the excitation source, a voltage supplier that supplies a voltage to the voltage accumulator, a voltage controller that limits a maximum supplied voltage from the voltage supplier, a receiver that receives a photoacoustic wave generated by an object irradiated with the laser light, and a constructor that acquires characteristic information relating to the object in use of the photoacoustic wave, wherein the voltage controller compares a measured voltage value obtained by implementing division of a supplied voltage from the voltage supplier with a reference voltage value defining the maximum supplied voltage. | 02-12-2015 |
20150088108 | PROBE DRIVER - Image-guided therapy of a tissue can utilize magnetic resonance imaging (MRI) or another medical imaging device to guide an instrument within the tissue. A workstation can actuate movement of the instrument via a probe driver, and can actuate energy emission and/or cooling of the instrument to effect treatment to the tissue. The workstation and/or an operator of the workstation can be located outside a vicinity of an MRI device or other medical imaging device, and drive means for positioning the instrument can be located within the vicinity of the MRI device or the other medical imaging device. The instrument can be an MRI compatible laser probe that provides thermal therapy to, e.g., a tissue in a brain of a patient. The probe driver allows for precise positioning, stabilization and manipulation of a probe. | 03-26-2015 |
20150335385 | System for laser ablation surgery - An active tracking system includes an imager configured to image the temperature of a biological tissue and a heating laser configured to heat regions of the biological tissue. The imager locates high-temperature regions of the biological tissue and the heating laser is controlled to point toward target regions of the biological tissue based on the located high-temperature regions. The active tracking system can be used to control a heating laser to continuously heat a target region of a biological tissue even when the target region moves relative to the heating laser. The active tracking system could allow one or more target regions of a biological tissue to be ‘tagged’ with heat by the heating laser and to be tracked even when the one or more target regions move relative to the heating laser. Devices and methods for operating such active tracking systems are also provided. | 11-26-2015 |
20180021090 | METHODS AND SYSTEM FOR IMAGE GUIDED CELL ABLATION WITH MICROSCOPIC RESOLUTION | 01-25-2018 |