Class / Patent application number | Description | Number of patent applications / Date published |
606016000 | With optical fiber | 75 |
20080287940 | Fiber Pole Tip - A medical laser unit having a fiber pole tip providing protection and maneuverability to an optical fiber. The fiber pole tip includes a longitudinal channel for retaining the optical fiber so as to limit a bending radius of the optical fiber and prevent the creation of sharp stress risers in the optical fiber. A top surface of the fiber pole tip can include at least one tab projecting over the longitudinal channel to retain the optical fiber within the longitudinal channel. The fiber pole tip is rotatably attached to a fiber pole connected to the laser unit allowing for ease in positioning and manipulating the optical fiber without inducing sharp bends in the optical fiber and to remove stress from the optical fiber. | 11-20-2008 |
20080287941 | TAPERED FUSED WAVEGUIDE FOR TEETH WHITENING - A radiation emitting apparatus is disclosed that emits a substantially homogenous beam of radiation from an irregularly shaped output end. As described herein, a radiation emitting apparatus includes a bundled fiber guide coupled to an energy distribution tuner. The bundled fiber guide is coupled to the energy distribution tuner to receive a substantially uniform distribution of high power energy. The bundled fiber guide is configured to distribute the energy to emit a substantially uniform distribution of lower power energy toward a target surface, such as a body surface. The bundled fiber guide may include a plurality of fused optic fibers, a plurality of beam splitting mirror elements, or tapered waveguides. | 11-20-2008 |
20080306473 | Tissue-treating device with medium-control mechanism - Disclosed is a tissue-treating device. The device includes a waveguide to guide light, and a medium-control mechanism to change a medium disposed near an area of a tissue to which light from the waveguide is applied. The medium-control mechanism to change the medium may be configured to change the medium such that light energy applied to the area of the tissue with the changed medium results in changes to the area of the tissue that are different from changes to the area of the tissue resulting from application of light energy to the area without changing the medium. | 12-11-2008 |
20090048588 | Side-Firing Fiber Delivery Device with Active Cooling Cap - A medical laser system and related methods of utilizing cooling within and around an optical fiber tip to prevent premature failure of the optical fiber. The optical fiber is surrounded by protective jacket assembly including a body tube assembly and a tip cap assembly. The body tube assembly includes an internal fiber jacket and an external body tube with a body tube channel defined therebetween. The tip cap assembly includes an inner cap member and an outer cap member defining a cap irrigation channel therebetween. Together, the cap irrigation channel and body tube channel cooperatively define an internal irrigation channel. The optical fiber can be delivered to a treatment location through a cystoscope. Saline is directed through an external irrigation channel between the cystoscope and the protective jacket assembly as well as the internal irrigation channel to cool the fiber tip and prevent overheating and failure of the optical fiber. | 02-19-2009 |
20090054885 | BIOLOGICAL PHOTOMETRIC DEVICE - A biological photometric device includes a light irradiating unit for irradiating an object to be examined with light having a predetermined wavelength and sympathizing with oxygenated hemoglobin and deoxygenated hemoglobin through an optical fiber, a light detecting unit for detecting and amplifying light passing through a detecting optical fiber and the object as detected signals, a signal processing unit adapted for computing hemoglobin time change information based on oxygenated hemoglobin, deoxygenated hemoglobin and total hemoglobin in the object from the detected signals light detecting unit, and including a noise detector for arithmetically processing the detected signals and determining/detecting whether the time change information is noise attributed to the presence of obstacles to passing of light between the object and the end face of the optical fiber or noise attributed to the damage to the light irradiating unit, and a display unit for displaying the noise signals. | 02-26-2009 |
20090187175 | Disposable Hand Piece for Dental Surgical Laser - A disposable hand piece can be attached at the end of a laser beam delivery assembly. The hand piece can be longitudinally tapered and generally wedge-shaped in its width and slightly bent so as to form a tool which can be comfortable grasped by a Dentist for purposes of more accurately controlling the laser beam applied through the laser hand piece. The hand piece can include an internal means to supply fine mist of air and water for cooling of the treated area. The hand piece is constructed of inexpensive plastic materials and is designed to be disposable after a single use. | 07-23-2009 |
20090275935 | CANNULA ENCLOSING RECESSED WAVEGUIDE OUTPUT TIP - A cannula includes a proximal end, a distal end, and a cannula axis extending between the proximal end and the distal end. A lumen is disposed along at least a portion of the cannula between the proximal end and the distal end, and an energy output is configured to ablate a target surface, the energy output having a longitudinal axis and a tissue-disrupting distal end that is disposed within the lumen near the distal end. The tissue-disrupting distal end is configured to direct ablating energy in a direction toward the distal end of the cannula. The cannula axis and the longitudinal axis are concentric, and a region between the tissue-disrupting distal end and the distal end of the cannula is fixed and further can be transparent to a wavelength of energy emitted from the energy output. | 11-05-2009 |
20090292278 | Multi-Stage Procedures with a Modifiable Fiber and a Guide Tube Containing an Instrument - Disclosed is an apparatus that includes a modifiable fiber structure adapted to operate in at least two configurations such that in a sideways-firing configuration the fiber structure is adapted to emit radiation in a substantially sideways direction relative to a longitudinal axis of the fiber structure, and in another, axial-firing, configuration the fiber structure is adapted to emit radiation in a substantially axial direction relative to the longitudinal axis of the fiber structure. Also disclosed is another apparatus that includes a guide tube disposed within a scope, the guide tube configured to be advanced to a position near an area to be treated so that the scope can be advanced along the guide tube to the position near the area to be treated. The guide tube is further configured to receive a treatment instrument to perform a treatment procedure on the area to be treated. | 11-26-2009 |
20090299353 | Tissue Treatment Device and Method - Disclosed is a treatment device. The treatment device includes a treatment tip that includes one or more members with contacting surfaces to contact a target area, the tip being mechanically coupled to a body member. The tip also includes one or more heating elements placed on at least one of the one or more members of the treatment tip, the one or more heating elements configured to be heated by laser radiation and to direct heat to treat at least a portion of the target area. | 12-03-2009 |
20090299354 | CARDIAC ABLATION CATHETERS FOR FORMING OVERLAPPING LESIONS - Methods and instruments are disclosed for creating lesions in tissue, especially cardiac tissue, for treatment of arrhythmias and the like, by employing an elastic balloon and an energy emitter, which is independently positionable within the lumen of the instrument and adapted to project a series of spots of ablative energy through a transmissive region of the balloon to a target tissue site. The energy emitter preferably is configured such the spots of energy result in a series of lesions formed in the target tissue region when the emitter is activated, the lesions having an average area ranging from about 5 mm | 12-03-2009 |
20100004645 | INVASIVE DUAL-WAVELENGTH LASER ACUPUNCTURE - An invasive laser acupuncture includes a first semiconductor laser connected to a first optical fiber acupuncture and providing red-based laser beam with the first optical fiber acupuncture; a second semiconductor laser connected to a second optical fiber acupuncture and providing a green-based laser beam with the second optical fiber acupuncture; and a driving circuit independently driving the first semiconductor laser and the second semiconductor laser in a continuous mode or a pulse mode by a switching operation. Since red and green lasers can independently be driven in the continuous mode and the pulse mode, the red and green laser can easily be adopted in a reinforcing and reducing treatment method in traditional oriental medicine. In addition, by using a metal-coated optical fiber acupuncture, the optical fiber acupuncture is injected directly into meridian pathways provided under an epidermal layer, such that it is possible to efficiently transmit a laser beam without loss. | 01-07-2010 |
20100004646 | LASER DELIVERY APPARATUS FOR ENDOVASCULAR APPLICATIONS - An apparatus for delivering energy, and in particular laser energy, to a tissue includes a protective quartz cap that is secured to a laser delivery fiber by a crimp sleeve. The fiber may have a conical tip, and the quartz cap may be secured to the crimp sleeve by a layer of epoxy. | 01-07-2010 |
20100100085 | Waveguides With Aiming Mechanisms - Disclosed are radiation systems and methods, including a system that includes a waveguide to direct radiation from a first radiation source, a covering to cover at least part of the waveguide and one or more optical fibers embedded in the covering to direct radiation from a second radiation source. Also disclosed is system that includes a hollow waveguide assembly including a proximal portion and a distal portion that can be coupled to the proximal portion at a coupling area, the hollow waveguide assembly being configured to direct radiation from a first radiation source to an output port at a distal end of the distal portion of the hollow waveguide assembly, and a coupling unit to couple into the distal portion of the hollow waveguide assembly radiation from a second radiation source and the radiation from the first source delivered through the proximal portion. | 04-22-2010 |
20100100086 | SATELLITE-PLATFORMED ELECTROMAGNETIC ENERGY TREATMENT DEVICE - A satellite platform facilitates the dividing of a laser system into functional modules, and operates to provide one or more of the functional modules directly into (e.g., closer toward) a user's operational space. In a typical implementation, the satellite platform pairs two or more of the functional modules into a combination and places it in the user's operational space. The two or more functional modules can be two of the major components of the laser-system user interface, namely, the handpiece and the control panel. The combination is provided by way of the satellite platform directly into the user's operational space, while part, all, or a majority of, the laser system may remain away from the use's operational space (e.g., on the wall, on the counter-top or at the walk-way). A particular embodiment of the satellite platform takes the form of an articulated arm similar to that used for components in conventional dental chairs. | 04-22-2010 |
20100106147 | SURGICAL LASER TIP APPARATUS WITH ALIGNMENT ASSEMBLY - An assembly for alignment of a sterile, releasably locking optical tip assembly housing an optical fiber connection to a laser surgical device includes a conductive wire sensing element A second embodiment includes an emitter and a detector. | 04-29-2010 |
20100160904 | PHOTOTHERMAL TREATMENT OF SOFT TISSUES - An apparatus and a method are provided for the treatment of soft tissue. The apparatus includes a light source and at least two optical assemblies. Each of the optical assemblies includes at least one optical element and a light-transmitting contact surface configured to transmit a substantially uniform distribution of light therethrough. The apparatus further includes at least two optical transmission devices each disposed between the light source and a corresponding one of the at least two optical assemblies. The apparatus also includes a handpiece to which the at least two optical assemblies are attached, and which is adapted to bring the light-transmitting contact surfaces of the at least two optical assemblies in contact with soft tissue disposed therebetween. The method includes compressing and substantially flattening portions of the tonsil tissue between light-transmitting contact surfaces of two opposed light emitting optical assemblies, introducing light into an optical element of each of the optical assemblies; and irradiating the tonsil tissue by directing the light from the optical element through the light-transmitting contact surfaces to the tonsil tissue in a substantially uniform light distribution. | 06-24-2010 |
20100185188 | ELECTROMAGNETICALLY INDUCED TREATMENT DEVICES AND METHODS - A cutting device that uses electromagnetic energy to create a cutting effect on or within a target surface is disclosed. The cutting device includes an optic guide and three or more nozzles located on a body member. The nozzles direct a volume of particles of air and liquid away from the body member, and the volume of particles of air and liquid can facilitate one or more of a disruptive effect and a cooling effect on the target surface. Energy emitted from the optic guide can interact with the particles to impart disruptive forces onto or within a target surface. | 07-22-2010 |
20100234835 | LASER PERFORATION DEVICE AND LASER PERFORATION METHOD - A laser perforation device that has a simple structure and with which pain to a person in skin perforation is reduced. In the device, a laser beam emitted from a laser emitting device ( | 09-16-2010 |
20100234836 | LED Based Light Surgery Apparatus - A surgical apparatus for ablation, incision, and/or coagulation of biological tissue, the surgical apparatus comprising: at least one high intensity light emitting diode (LED) light source for producing a light beam with high power density; and an optical system for delivering said light beam to be absorbed by the biological tissue. The power density of the light beam is above a predetermined threshold level to increase a temperature of the biological tissue and cause a transformation for at least one constituent of the biological tissue for ablation, incision, and/or coagulation of the biological tissue. | 09-16-2010 |
20100234837 | METHOD AND APPARATUS FOR PRODUCING SUPERCONTINUUM LIGHT FOR MEDICAL AND BIOLOGICAL APPLICATIONS - A method and an apparatus are provided for producing SuperContinuum (SC) light for medical and biological applications is provided. Pulses are focused from a laser system into at least one of a pressurized cell and one or more fibers. A pump pulse is converted into the SC light at a specified rate of repetition. The SC light is applied at the specified rate of repetition to tissue for medical and biological applications. | 09-16-2010 |
20100262130 | APPARATUS, A METHOD AND A COMPUTER PROGRAM FOR APPLYING ENERGY TO AN OBJECT - The present invention relates to an apparatus ( | 10-14-2010 |
20100262131 | Medical laser treatment device and method utilizing total reflection induced by radiation - A device is provided for improved surgical procedures to remove unwanted or hyperplasic tissue from a patient. In particular, laser ablation, urological treatments, benign prostatic hyperplasia treatments and other applications benefit from the device. Specially prepared optical waveguide tips allow for enhanced irradiation of desired tissues with light sources including laser diodes, bright LEDs or lamps. The refractive indices of the waveguide materials and the surrounding medium are such that a significant fraction of the optical radiation, being transported in the waveguide, is coupled out of the waveguide into the surrounding medium through a peripheral surface at or near the distal end. The optical radiation is chosen to have an appropriate wavelength and sufficient power density, so that the surrounding medium will be changed in the vicinity of at least a part of the peripheral surface area. The changes of the surrounding medium result in a change of its refractive index such that the optical radiation is redirected. Device is particularly useful for treatments within a patient where entry and/or treatment space is limited/restricted. | 10-14-2010 |
20110087203 | SYSTEM FOR IMPROVING DIASTOLIC DYSFUNCTION - An elastic structure is introduced percutaneously into the left ventricle and attached to the walls of the ventricle. Over time the structure bonds firmly to the walls via scar tissue formation. The structure helps the ventricle expand and fill with blood during the diastolic period while having little affect on systolic performance. The structure also strengthens the ventricular walls and limits the effects of congestive heart failure, as the maximum expansion of the support structure is limited by flexible or elastic members. | 04-14-2011 |
20110144630 | Fiber optic device with controlled reuse - A fiber optic device includes an optical fiber passing through a handpiece that defines an internal passageway with an apertured endwall at a distal end of the passageway. A portion of the optical fiber is disposed within the passageway, and a stop member, such as a rigid sheath, within the passageway is attached to the optical fiber. An indexing member releasably engages the rigid sheath to maintain the rigid sheath at a predetermined position within the passageway. The rigid sheath preferably contains a series of index positions for incrementally adjusting the position of the sheath within the passageway. The rigid sheath is slidably mounted in the passageway and is configured to interfere with the endwall when the rigid sheath is released for movement within the internal cavity to its final position within the passageway. | 06-16-2011 |
20110166562 | High Durability Side Fire Optical Fiber for High Power Applications - An optical fiber treatment system is provided for high power laser transmission to an area of medical treatment. A side fire optical fiber tip for use in high power laser applications having outputs of greater than or equal to 50 Watts is a key to the system. Embodiments are particularly appropriate for the medical treatment of benign prostate hyperplasia (BPH) with a side fire optical fiber tip using a Holmium:YAG laser or a high power diode laser. Such procedures can be done with only local anesthesia. A predetermined length of an output tip on the distal end of the optical fiber of the present invention is formed with an optical fiber core and cladding layer of preselected thickness wherein the cladding to core diameter ratio is at least as great as 1.1. A side fire surface is formed on the distal end of the core/clad output end. Over this optical fiber output end, a pure silica capillary tube is fused to the predetermined length of exposed cladding where the outermost cladding is also pure silica to reduce thermal mismatch during the fusion process. By having the refractive index at the fusing interface of the tube to the cladding matched, and bubbles or gaps eliminated or prevented, it is possible to substantially enhance durability and eliminate Fresnel reflection losses at this interface. Further, the outer surface area where the laser energy is exiting from the tube may be heat treated with a laser to additionally increase durability for high power laser energy transmission in fluid environments. Germanium-doped silica as well as pure silica can be used as fiber core material. | 07-07-2011 |
20110190749 | Low Profile Apparatus and Method for Phototherapy - Disclosed herein are optical assemblies having thin, low profile shapes. These optical assemblies may be used with fiber coupled lasers and other light sources, including high power sources, to irradiate tissue at a wavelength suitable for inducing ablation or coagulation to a target depth, denaturation, thermal modification of a tissue, and/or preferential injury to a target tissue structure. Example optical assemblies can produce substantially uniform illumination patterns that are useful for treating superficial tissue, including the internal or luminal (e.g., esophageal) tissue. Some examples may have capability for cooling superficial tissue or skin, such as a detachable, reusable heat sink for active cooling without consumables, fluid pumps, or other cooling equipment. | 08-04-2011 |
20110224661 | MINIMALLY INVASIVE SURGICAL SYSTEM FOR CO2 LASERS - A Minimally Invasive Surgical Laser Hand-piece (“MISLH”) for use with a probe is described. The MISLH has a MISLH proximal end and MISLH distal end, and the MISLH may include an optical coupler located at the MISLH proximal end, a substantially straight central bore within the MISLH, and an internal beam stop aperture within the central bore adjoined to the optical coupler. The central bore may extend from the optical coupler to the MISLH distal end and the central bore may be configured to accept the insertion of the probe within the central bore at the MISLH distal end. Additionally, the central bore may be configured to accept the insertion of the probe such that the probe is adjoined to the internal beam stop aperture. | 09-15-2011 |
20110238049 | Soft Tissue Laser - A soft tissue laser with a display, a control device, a controllable laser light source, a first light-conducting element and a receptacle at the light-emitting side end of a first light-conducting element, at which different tips having a second light-conducting element each can be arranged in such a fashion that they can be removed again, which tips differ from one another in the diameters of the second light-conducting elements and/or in the amount by which the second light conductor axially exceeds the free end of the tip. The control device, in particular depending on the desired work process, determines the suitable tip and controls the laser light source in such a fashion that the power necessary for the work process selected is available at the free end of the second light-conducting element. | 09-29-2011 |
20110251603 | PHOTONIC CRYSTAL FIBERS AND MEDICAL SYSTEMS INCLUDING PHOTONIC CRYSTAL FIBERS - In general, in one aspect, the disclosure features a system that includes a flexible waveguide having a hollow core extending along a waveguide axis and a region surrounding the core, the region being configured to guide radiation from the CO | 10-13-2011 |
20110319879 | BONE CUTTING DEVICE - To provide a bone cutting device capable of selectively cutting only a bone easily and quickly, the device of the present invention is adapted to cut a bone by irradiating with a laser beam and includes a light source for emitting a laser beam of 1000 to 1500 nm with a peak output of 10 to 70 W/cm | 12-29-2011 |
20120123398 | Light Guide Unit for a Laser Applicator - The present invention relates to a light guide unit for a laser applicator, wherein the light guide unit has a light guide tip assembly removably insertable into the laser applicator, wherein the light guide tip assembly comprises an optical fiber and a coupling member provided on a proximal end of the optical fiber. When the coupling member is provided on the optical fiber, a proximal end face of the optical fiber needs to be kept clean. It is also desired that the light guide tip assembly can be manufactured easily. It is suggested to provide the coupling member via a casting technique. | 05-17-2012 |
20120123399 | DENTAL SURGICAL LASER WITH FEEDBACK MECHANISMS - A surgical device based on the concept of controlling the laser power during laser surgery based on optical and other signals from the tip and the tissue is described. A laser surgical system generally comprises several basic components, such as a laser, a delivery system, a tip and a control system. A tip may be considered as a particular case of a thermo-optical tip (TOT). TOT is an optical and mechanical element which could be used to modify or treat soft and hard tissues, including cutting, coagulation, vaporization, carbonization, and ablation of tissues. | 05-17-2012 |
20120150164 | 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. | 06-14-2012 |
20120157982 | LASER PROBE TIP - A probe tip for communicating and laterally directing electromagnetic radiation comprises a waveguide, a primary capsule, a compressible member and a malleable secondary capsule. The waveguide is configured to communicate electromagnetic radiation and includes a beveled surface at a distal tip for redirecting electromagnetic radiation in a lateral direction. The primary capsule is attached over the distal tip of the waveguide. The compressible member covers a portion of the primary capsule. The malleable secondary capsule is positioned over the primary capsule and the compressible member, and includes a crimp that compresses the compressible member against the primary capsule and secures the secondary capsule to the primary capsule. | 06-21-2012 |
20120165801 | MONOLITHIC, SIDE PUMPED SOLID-STATE LASER AND APPLICATIONS THEREOF - A monolithic, side pumped solid-state laser ( | 06-28-2012 |
20120215211 | DELIVERY FIBER FOR SURGICAL LASER TREATMENT AND METHOD FOR MAKING SAME - An optical surgical fiber assembly for delivering laser radiation from a laser radiation source to a treatment site has a sealed off capillary enclosing a delivery end of the fiber. The capillary is formed from an outermost layer of fused silica and an adjacent layer of boron-doped fused silica having a higher CTE than that of the fused silica. The capillary is shrink-fitted onto the delivery end of the fiber. A compressive stress is imparted to the outermost layer of the capillary as a result of the shrink-fitting process and the CTE difference between the layers. This provides mechanical hardening of the surface of the outermost layer. | 08-23-2012 |
20120296324 | Optical Energy-Based Methods and Apparatus for Tissue Sealing - Optical energy-based methods and apparatus for sealing vascular tissue involves deforming vascular tissue to bring different layers of the vascular tissue into contact each other and illuminating the vascular tissue with a light beam having at least one portion of its spectrum overlapping with the absorption spectrum of the vascular tissue. The apparatus may include two deforming members configured to deform the vascular tissue placed between the deforming members. The apparatus may also include an optical system that has a light source configured to generate light, a light distribution element configured to distribute the light across the vascular tissue, and a light guide configured to guide the light from the light source to the light distribution element. The apparatus may further include a cutting member configured to cut the vascular tissue and to illuminate the vascular tissue with light to seal at least one cut surface of the vascular tissue. | 11-22-2012 |
20120303011 | Catheters and Methods for Identification and Treatment of Bodily Passages - Catheters useful in the identification and treatment of bodily passages, such as sinus cavities, are provided. A catheter includes an elongate main body defining an inflation lumen and an optic lumen, an inflatable balloon attached to the distal end of the main body, and a fiber optic disposed in the optic lumen. When connected to a light source, the fiber optic emits light radially along a portion of the balloon and axially from the distal end of the main body. Methods of identifying and treating bodily passages, such as sinus cavities, are also described. | 11-29-2012 |
20120316549 | Tissue Treatment Apparatus and Methods - Disclosed are apparatus, method, devices and instruments, including an apparatus that includes a flexible waveguide coupled to a supporting structure, and further coupled to a treatment tip. The apparatus also includes a beam controller to control application of a radiation beam emitted from the flexible waveguide to distribute the beam over an area different than an area covered by direct application of the beam to a single location on a target tissue. Further disclosed is an apparatus that includes a waveguide, coupleable to a laser source, and a thermal protection instrument. The thermal protection instrument includes a tissue contacting member to contact a part of an area of a tissue irradiated by laser radiation, and a beam blocking element to absorb at least some of radiation not absorbed by the area of the tissue, the beam blocking element being thermally isolated from the area of the tissue. | 12-13-2012 |
20130006230 | HYPERTHERMIA TREATMENT AND PROBE THEREFOR - 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. 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 to minimize collateral tissue damage. | 01-03-2013 |
20130018365 | DISPOSABLE TIP ASSEMBLY FOR LASER SURGICAL DEVICE - A multi-component sterile, disposable tip apparatus for laser surgical devices is provided and features assembly for alignment of a self-contained optical fiber to the surgical device and releasably locking assembly between the tip and device. | 01-17-2013 |
20130072918 | HANDPIECE INTENDED PARTICULARLY FOR MEDICAL LASER APPLICATIONS - A handpiece for a medical laser comprising an inner channel ( | 03-21-2013 |
20130085486 | Surgical Laser Cutting Device - Provided is a surgical handpiece for providing an electromagnetic cutting blade. The handpiece, comprises a body portion having an input end and an output end, a plurality of optical fibers for receiving laser energy having a wavelength within a predetermined wavelength range, wherein the optical fibers are received in the body portion at the input end and extend to the output end, and an optical fiber transition region within the body portion for arranging the plurality of optical fibers into a predetermine cutting shape at the output end, wherein laser energy transmitted from the arranged optical fibers at the output end interact with water molecules near the surgical target to generate micro-explosions that result in a cutting effect. | 04-04-2013 |
20130123769 | Distance Estimation Between a Fiber End and a Tissue Using Numerical Aperture Modulation - A system and method of estimating a distance between the distal end of an optical fiber and treated tissue, to improve treatment efficiency, is provided herein. The estimation is achieved by modulating the numerical aperture of a light beam transmitted through the fiber to receive reflections from the tissue and distinguish them from other reflections in the fiber, and further by calculating the distance by comparing reflection intensities of beams having different numerical aperture values that illuminate the tissue over a very short period, so that tissue and environment conditions do not change much. Distance estimation may be carried out by modulating the treatment beam itself, or by a light beam transmitted between pulses of a pulsed | 05-16-2013 |
20130144281 | Tissue Treatment Apparatus with Interchangeable Instrument/Accessories - A tissue treatment apparatus is provided for surgical and medical procedures and operations including an instrument and accessory base adapted for receiving one or more instruments and/or accessories configured for different procedures and operations and for a variety of modes of use of the treatment apparatus. | 06-06-2013 |
20130144282 | FIBER OPTIC PHOTOTHERAPY DEVICES INCLUDING LED LIGHT SOURCES - Phototherapy devices for phototherapy treatment of a patient include a light emitter for emitting light received from a light source. Means may be provided for altering the amount of power to the light source in response to a change in light output to maintain a substantially constant light output. The light source may comprise one or more LEDs that generate a blue light output and at least one other LED that generates a different color light output. | 06-06-2013 |
20130218147 | Protective Sheath and Method of Using Same for Laser Surgery - A protective sheath is provided to prevent mechanical damage to the working channel of the endoscope during insertion of the fiber, insulate the fiber from surrounding cooling fluids, and/or serve as an indicator of overheating that enables early detection of excess heating or burning of tissues or equipment at the treatment site. The protective sheath may include trim markings to facilitate cutting to a desired length, such as the length of the fiber in the scope, may also be arranged to glow when the fiber is pulled too far into the sheath, may be tightly fitted over the fiber to provide a plunger effect, and may include perforations to facilitate sterilization. | 08-22-2013 |
20130231648 | METHOD AND APPARATUS FOR PROTECTING CAPILLARY OF LASER FIBER DURING INSERTION AND REDUCING METAL CAP DEGRADATION - A method and an apparatus according to an embodiment of the invention includes disposing a cover about a capillary used in a side-firing optical fiber. The cover can be used to protect the capillary when being inserted through an endoscope for medical treatment. In some embodiments, the cover can be a low-profile cover such as a coating made of a light-sensitive polymer or like material. At least a portion of the coating can be removed after insertion by exposing the light-sensitive material to laser energy transmitted from an optical-fiber-core end housed within the capillary. In other embodiments, the cover can be a slideable or moveable low-profile sleeve or metal cover. During insertion, the sleeve or metal cover is positioned over the capillary. After insertion, the sleeve or metal cover is retracted to expose the area to be treated to side-fired laser energy transmitted from the capillary. | 09-05-2013 |
20130231649 | DISPOSABLE TIPS FOR LASER SYSTEMS AND RELATED METHODS - A disposable tip may comprise a casing, a cannular portion, and a fiber. The casing may be sized and configured for attachment to a handpiece of a laser transmission system. The cannular portion may extend from the casing, and the cannular portion may have a channel therein. The fiber may be configured to deliver a laser beam to a surgical surface, and at least a portion of the fiber may be located within the channel of the cannular portion. | 09-05-2013 |
20130237976 | MEDICAL SYSTEM INCLUDING A FLEXIBLE WAVEGUIDE MECHANICALLY COUPLED TO AN ACTUATOR - In general, in one aspect, the disclosure features a system that includes a flexible waveguide having a hollow core extending along a waveguide axis and a region surrounding the core, the region being configured to guide radiation from the CO | 09-12-2013 |
20130253489 | Light Energy Sealing, Cutting and Sensing Surgical Device - The present disclosure is directed towards a medical instrument. The medical instrument includes a housing and an end effector assembly operably connected to the housing. The end effector assembly includes first and second jaw members each having a tissue contacting surface, at least one of the first and second jaw members movable between a first, spaced-apart position and a second proximate position, wherein in the second position, the jaw members cooperate to define a cavity configured to receive tissue between the jaw members. The end effector also includes at least one light-emitting element coupled to at least one of the first and second jaw members, the at least one light-emitting element adapted to deliver light energy to tissue grasped between the first and second jaw members to treat the tissue. | 09-26-2013 |
20130253490 | CATHETER ARRANGEMENT - At least one embodiment of the invention relates to a catheter arrangement comprising a catheter with a proximal section and a distal section, to measure a force acting on the distal section and simultaneously receive a temperature signal prevailing in the distal section. According to at least one embodiment of the invention, the catheter arrangement comprises an evaluation unit connected to a single combined optical force and temperature sensor, and further comprises a readout signal generator to generate and feed a readout signal modulated with a carrier frequency into the force sensor and temperature sensor. According to at least one embodiment of the invention, the catheter arrangement comprises a first readout device to read out a first modulated measuring signal portion, a second readout means to read out a second unmodulated measuring signal portion, and a processing unit to combine the first and second measuring signal portions. | 09-26-2013 |
20130274727 | SURGICAL SYSTEM AND METHOD OF USE OF THE SAME - A surgical system configured for treating tissue is provided. The surgical system includes a laser source and a laser scalpel. The laser scalpel is adapted to couple to the laser source and is operable in two modes of operation, a first mode of operation to analyze tissue of interest and a second mode of operation to treat tissue of interest. The laser scalpel includes a housing having first and second fiber optic cables extending therethrough. Each of the first and second fiber optic cables operable under the first mode of operation to collect information pertaining to at least one optical property of tissue of interest and at least one of the first and second fiber optic cables also operable under the second mode of operation to treat the tissue of interest. | 10-17-2013 |
20130289548 | LASER IRRADIATION TIP, LASER IRRADIATION HANDPIECE, LASER TREATMENT APPARATUS, AND LASER IRRADIATION TIP END MEMBER - A laser irradiation tip has a main body and a tip end portion. The main body is connected with a handpiece and irradiating therapeutic laser with high absorbability in water. The tip end portion being connected with the main body. The main body of the laser irradiation tip has an optical fiber for guiding the therapeutic laser, a water flow path, and an air flow path in a parallel manner. The tip end portion of the laser irradiation tip has a connection portion with the main body, a water guide path communicated with the water flow path of the main body, an air guide path communicated with the air flow path of the main body, a fiber guide portion capable of inserting a tip side portion of the optical fiber, and a mixing chamber of water and air. | 10-31-2013 |
20130304048 | STEERABLE LASER PROBE - A steerable laser probe may include a handle having a handle distal end and a handle proximal end, an actuation lever of the handle, a flexible housing tube having a flexible housing tube distal end and a flexible housing tube proximal end, and an optic fiber disposed within an inner bore of the handle and the flexible housing tube. An actuation of the actuation lever may gradually curve the flexible housing tube and the optic fiber. An actuation of the actuation lever may gradually straighten the flexible housing tube and the optic fiber. | 11-14-2013 |
20130317491 | ABLATION CATHETER - In order to sufficiently cauterize a target site existing in a deep portion of a cardiac muscle tissue even in the case where the fat layer attached to an epicardium is thick or where the cardiac muscle is thickened due to cardiac hypertrophy and the like, provided is an ablation catheter comprising: an elongated catheter main body; an electrode for ablation placed in a leading end part of the catheter main body; and an optical fiber that is placed along a longitudinal direction of the catheter main body, includes an emission end formed on a leading end surface of the catheter main body, and emits a laser beam guided therethrough from the emission end. | 11-28-2013 |
20140005647 | STEERABLE AND CONTROLLABLE MEDICAL LASER FIBERS | 01-02-2014 |
20140025054 | Endoscopic Ultrasound Ablation Needle - A radiofrequency tissue ablation device includes an elongate outer cannula having proximal and distal ends and an intermediate length therebetween where a longitudinal region of the intermediate length is configured as an ablation electrode. A cannula lumen extends longitudinally through the cannula. A stylet extends slidably through the lumen and is secured to the cannula between the ablation electrode and the cannula distal end. The ablation electrode includes a plurality of substantially parallel helical apertures disposed around and extending through a cannula circumference. The ablation electrode is configured to be circumferentially expandable such that in a first state, it is essentially cylindrical with a substantially uniform outer diameter along substantially its entire length, and in a second state, its parallel helical apertures are expanded such that the intervening portions of the cannula form an outer diameter greater than the outer diameter of cannula portions proximal and distal of the electrode. | 01-23-2014 |
20140039475 | STEERABLE LASER PROBE - A steerable laser probe may include a handle having a handle distal end and a handle proximal end, a plurality of actuation controls of the handle, a flexible housing tube having a flexible housing tube distal end and a flexible housing tube proximal end, and an optic fiber disposed within an inner bore of the handle and the flexible housing tube. An actuation of an actuation control of the plurality of actuation controls may gradually curve the flexible housing tube. A gradual curving of the flexible housing tube may gradually curve the optic fiber. An actuation of an actuation control of the plurality of actuation controls may gradually straighten the flexible housing tube. A gradual straightening of the flexible housing tube may gradually straighten the optic fiber. | 02-06-2014 |
20140052115 | STEERABLE LASER PROBE - A steerable laser probe may include a handle having a handle, a housing sleeve, a first portion of the housing sleeve having a first stiffness, a second portion of the housing sleeve having a second stiffness, an actuation control of the handle, an optic fiber disposed in an inner bore of the handle and the housing sleeve, and a shape memory wire having a pre-formed curve. An actuation of the actuation control may be configured to gradually curve the housing sleeve and the optic fiber. An actuation of the actuation control may be configured to gradually straighten the housing sleeve and the optic fiber. | 02-20-2014 |
20140058368 | FORWARD FIRING FLAT TIP SURGICAL LASER FIBER ASSEMBLY - A forward firing optical fiber assembly includes an optical fiber and a capillary tube. The optical fiber includes a substantially flat end face at a distal end of the optical fiber that extends in a plane substantially perpendicular to a longitudinal axis of the optical fiber. The capillary tube includes a rounded distal tip, and the distal end of the optical fiber disposed within the capillary tube such that the end face of the optical fiber is disposed a distance from an interior distal end of the capillary tube. The forward firing optical fiber assembly includes a fusion region between the optical fiber and capillary tube configured to hermetically seal the end face within the capillary tube. | 02-27-2014 |
20140066912 | STEERABLE LASER PROBE - A steerable laser probe may include an actuation structure, a nosecone fixed to the actuation structure by one or more links and one or more link pins, a housing tube having a first housing tube portion with a first stiffness and a second housing tube portion with a second stiffness, and an optic fiber disposed in the housing tube and the actuation structure. A compression of the actuation structure may be configured to gradually curve the housing tube and the optic fiber. A decompression of the actuation structure may be configured to gradually straighten the housing tube and the optic fiber. | 03-06-2014 |
20140074079 | STEERABLE LASER PROBE - A steerable laser probe may include a handle having a handle distal end and a handle proximal end, an auto-fixing actuation control, a housing tube having a housing tube distal end and a housing tube proximal end, a first housing tube portion having a first stiffness, a second housing tube portion having a second stiffness, and an optic fiber disposed within an inner bore of the handle and the housing tube. An actuation of the auto-fixing actuation control may gradually curve the housing tube. A gradual curving of the housing tube may gradually curve the optic fiber. | 03-13-2014 |
20140074080 | SKIN COOLING APPARATUS AND METHOD - Skin cooling apparatus is provided for use with a medical treatment device such as a hypodermic syringe or a skin ablation laser or other electromagnetic source. The skin cooling apparatus provides selective, localized cooling of the target area that is acted upon by the medical treatment device. Included is a support body engaging at least a portion of the medical treatment device, for supporting and orienting the medical treatment device to the target area. A solid state cooling device such as a thermoelectric or Peltier device is carried by the support body and includes a cooling surface facing the target area of a patient's skin surface. The support body may be flexible so as to allow the medical treatment device to be inclined relative to the skin surface. The support body may also include aiming structure for directing the medical treatment device to a particular point within the target area. | 03-13-2014 |
20140088576 | STEERABLE LASER PROBE - A steerable laser probe may include a handle having a handle distal end and a handle proximal end, an actuation control of the handle, a housing tube having a housing tube distal end and a housing tube proximal end, a first housing tube portion having a first stiffness, a second housing tube portion having a second stiffness, an optic fiber disposed within an inner portion of the handle and the housing tube, and a cable disposed within the housing tube and the actuation control. A rotation of the actuation control may be configured to gradually curve the housing tube and the optic fiber. A rotation of the actuation control may be configured to gradually straighten the housing tube and the optic fiber. | 03-27-2014 |
20140121655 | LASER PROBE TIP - A probe tip for communicating and laterally directing electromagnetic radiation comprises a waveguide, a primary capsule, a compressible member and a malleable secondary capsule. The waveguide is configured to communicate electromagnetic radiation and includes a beveled surface at a distal tip for redirecting electromagnetic radiation in a lateral direction. The primary capsule is attached over the distal tip of the waveguide. The compressible member covers a portion of the primary capsule. The malleable secondary capsule is positioned over the primary capsule and the compressible member, and includes a crimp that compresses the compressible member against the primary capsule and secures the secondary capsule to the primary capsule. | 05-01-2014 |
20140163537 | APPARATUS AND METHOD FOR REAL-TIME IMAGING AND MONITORING OF AN ELECTROSURGICAL PROCEDURE - An optical coherence tomography probe and laser combination device configured for real-time z-directional guidance of the incisional depth of a surgical procedure. It can be used alone or placed within the working channel of an endoscope. The device includes an OCT single mode fiber, and a laser fiber or laser hollow waveguide or electrical surgical wire positioned adjacent to the OCT single mode fiber. The single mode fiber is configured to move laterally when activated by an actuator to scan light data reflected from a sample that is positioned in front of a distal end of the device. The light data can be processed to generate a B-scan image. The device can collect data in real-time during lasing, or immediately prior to and following the cutting. The surgical tool, when coupled to a processor, can deactivate when the B-scan image identifies that the incision is within a predefined tolerance. | 06-12-2014 |
20140188096 | SPLIT SURGICAL LASER FIBER - A surgical laser tool comprises an output member that includes an output laser fiber, a probe tip, and electrical contacts. The probe tip is attached to a distal end of the output laser fiber. Electromagnetic energy transmitted through the output laser fiber is discharged through the probe tip. The electrical contacts are supported at a proximal end of the output member. | 07-03-2014 |
20140194862 | MULTI-SPOT LASER PROBE WITH MICRO-STRUCTURED FACETED PROXIMAL SURFACE - An optical surgical probe includes a cannula; a light guide within the cannula, configured to receive a light beam from the light source, to guide the light beam to a distal end of the light guide, and to emit the light beam at the distal end of the light guide; and a multi-spot generator at a distal end of the cannula, the multi-spot generator having a faceted proximal surface with oblique facets, configured to receive the light beam emitted at the distal end of the light guide and to split the received light beam into multiple beam-components, and a distal surface through which the multiple beam-components exit the multi-spot generator, wherein the proximal surface of the multi-spot generator is micro-structured with a modulation length smaller than a wavelength of the light beam in order to reduce the reflectance of light back into the probe. | 07-10-2014 |
20140214016 | Orthopedic Device Having Detachable Components for Treatment Stages and Method for Using the Same - An orthopedic device has detachable components for treatment stages of an injury or surgical procedure. The orthopedic device is arranged as a protective functional support for regeneration of knee cartilage after surgical repair procedures, and includes a flexion control kit and a wrap-around liner sleeve. | 07-31-2014 |
20150112319 | BIDIRECTIONAL SELF-CENTERING TIP FOR FIBER OPTICS DESIGNED FOR ENDOVASCULAR TREATMENTS - The invention relates to a cable or optical fibre, to which a protective finish has been added, which is formed by a tubular duct, the end parts of which have been mechanized in the form of fingers that have elbowed areas in the vicinity of the tips thereof, which elbowed areas expand toward the outside when the cable and said covering protrude from the catheter, and contract when the cable and finish are introduced into the catheter, avoiding, as is the case at present, a situation in which the fingers are straight and flat, which can produce a tear in walls of the blood vessel in the event of the operator wishing to reinsert the optical fibre through a vein in order to resume treating an already treated area. | 04-23-2015 |
20150126984 | NON-CONTACT HANDPIECE FOR LASER TISSUE CUTTING - A non-contact laser handpiece, contains optical components modified to provide a high density uniform later beam at a distance from the handpiece that minimizes effects of back reflection. | 05-07-2015 |
20150342679 | ELECTROMAGNETIC ENERGY OUTPUT SYSTEM - An apparatus having an excitation source that includes at least one laser diode and also having a handpiece with a disposable, bendable tip cannula is disclosed. The bendable tip can include a pliable material possessing a treatment characteristic of being bendable by a user three or more times without kinking from a generally straight orientation to a self-supporting bent configuration spanning an angle of at least forty degrees while remaining fully operational. | 12-03-2015 |
20160038236 | DEVICE FOR TISSUE REMOVAL - Improved device and method for safe, accurate, efficient surgical procedures are disclosed. A preferred device is a waveguide assembly for delivering electromagnetic radiation to a tissue comprising a waveguide with a multi-facetted tip and a cap over the 5 multi-facetted tip. Preferably the waveguide is an optical fiber. The cap is a protective, reinforced cap fused to the optical fiber's tip as an integral part of it and comprises an axially-extending portion oriented at a predetermined angle relative to the elongated axis of the optical fiber. A method of manufacturing special waveguide caps is provided. The optical fiber assembly delivers high power electromagnetic radiation in lateral direction 10 with respect to the elongated axis of the optical fiber, determined by the multiple-facetted tip, the slant angles of the optical fiber's core, and the orientation of the cap's axially-extending portion. A method for removing unwanted tissue like in benign prostatic hyperplasia treatments is also provided. | 02-11-2016 |
20160184018 | HANDPIECE LASER TREATMENT APPARATUS CAPABLE OF ADJUSTING LENGTH OF OPTICAL FIBER - The present invention relates generally to a handpiece laser treatment apparatus for treating an affected area by irradiating lasers thereto. More particularly, the present invention relates to a handpiece laser treatment apparatus capable of adjusting the drawn length of an optical fiber in which laser is irradiated. The handpiece laser treatment apparatus capable of adjusting the length of optical fiber according to the present invention comprises: a laser module for generating a laser; an optical fiber that is connected to the laser module so that the laser is irradiated to the outside; a main body in which the laser module is inserted and disposed in the inside and the optical fiber is projected forwardly; and a slider for adjusting the length of the optical fiber which is projected in front of the body. | 06-30-2016 |