Abstract: Described herein are laser emitting medical devices and techniques implementable by laser emitting medical devices to distinguish between targeted and non-targeted objects based on fluorescence reflected from an object responsive to incidence of laser beam on the object. The disclosure provides to determine an average of the fluorescence over a number of samples and to determine whether the object is a targeted or non-targeted object based on the average.

Abstract: The present disclosure provides a surgical laser system configured to measure a distance between a distal end of an optical fiber in which laser energy is transmitted and a target where parasitic reflections such as from the distal end and proximal end of the optical fiber are accounted for in measuring the distance.

Abstract: The present disclosure provides a surgical laser system configured to interpolate damage to an optical fiber in which laser energy is transmitted to ablate a target. The surgical laser system is configured to measure, with one or more signal detector, intensity of parasitic reflections from the proximal and distal facets of the optical fiber. Further, the surgical laser system is configured to interpolate damage to the optical fiber based on the measured intensity and to dynamically adjust operation parameters and/or display alerts to a user based on the interpolated damage.

Abstract: The present disclosure provides a surgical laser system configured to measure a distance between a distal end of an optical fiber in which laser energy is transmitted and a target where reflections from the distal end of the optical fiber are accounted for in measuring the distance.

Abstract: The disclosure provides a surgical laser system including a surgical laser power supply and a surgical laser console. The surgical laser power supply can source higher electrical energy than it draws for a period of time in which the surgical laser console draws electrical energy from the surgical laser power supply to perform a surgical laser procedure, such as, laser lithotripsy or a laser enucleation of prostate (LEP) procedure.

Abstract: A medical laser system and associated methods for dynamically managing laser power during surgical procedures are disclosed. The system includes a laser console having a laser source, an optical coupler for delivering laser energy through an optical fiber, and a controller with a processor and memory. The controller receives operating parameters including laser on-time and off-time, and determines a temperature and/or thermal dose as a function of time based on the parameters. The thermal dose may be derived using models, lookup tables, or machine learning. The system automatically adjusts laser operating parameters, such as pulse energy or frequency, in response to the determined thermal dose to improve treatment efficiency while reducing risk of tissue damage.

Abstract: A medical apparatus includes a fiber channel having a proximal end and a distal end, a flexible bellows extending around at least the proximal end of the fiber channel, a motor, a circuitry, and a housing, the housing including a slidable component, wherein the housing surrounds at least a portion of the fiber channel, the flexible bellows, motor, and circuitry, and wherein the slidable component is located proximal of the fiber channel.

Abstract: The present disclosure provides a medical laser console device and method utilizing an additional visible laser beam as a live data indicator. The indicator beam, visible in the endoscope's camera field of view, conveys real-time procedural information by manipulating its characteristics such as color, shape, or temporal pattern. This approach keeps the physician's focus on the target site, potentially improving procedural outcomes and reducing fatigue. The system can use existing hardware or software to create the indicator beam, simplifying visual information presentation.

Abstract: The present disclosure provides a method and system for estimating the temperature of a working environment. Treatments that use laser and optical fiber technology may cause an undesirable increase in the temperature of a working environment. To that end, a laser source to generate light beams sensitive to a change in temperature can be generated and the temperature determined based on a distance between a distal end of the optical fiber and a target and the generated temperature sensitive light beam.

Abstract: The present disclosure is related to field of Fiber Feedback (FFB) technology, and provides a method and system for estimating the distance between a fiber end and a target. The method includes illuminating, by a Light Emitting, Transmitting and Detecting (LETD) system, the target with laser light of different wavelengths having low and high water absorption coefficients, using different laser light sources, as well as receiving a returned signal corresponding to the incident laser light of different wavelengths, and detecting the returned signal to measure intensity values of the returned signal of a specific wavelength. Using the measured intensity values, a processing unit may estimate distance between the fiber end and the target. The present disclosure enables accurate estimation of distance between a fiber end and the target. The present disclosure also provides a robust distance estimation technique which is compatible with different types of targets.

Abstract: The present disclosure provides a method and system for estimating the temperature of a working environment. Treatments that use laser and optical fiber technology may cause an undesirable increase in the temperature of a working environment. To that end, a laser source to generate light beams sensitive to a change in temperature can be generated and the temperature determined based on a distance between a distal end of the optical fiber and a target and the generated temperature of the sensitive light beam.

Abstract: Medical systems including a medical device are described. The medical device may include a shaft defining working channels, wherein each working channel has a respective lumen with a respective distal opening and the distal openings are positioned at a distal portion of the shaft. The medical device may further include an imaging device positioned at the distal portion of the shaft. The medical system may further include an instrument movable through one or more of the working channels; and a light source. A distal portion of the instrument may include an expandable end effector. The light source may be releasably positionable within the expandable end effector of the instrument.

Abstract: The present disclosure provides an endoscopic laser lithotripsy device and methods for such a device where image acquisition, lasing, illumination, and/or image processing is configured to mitigate distortions in the captured image resulting from the laser.

Abstract: The present disclosure provides a medical optical fiber with protective tips for use with medical laser-based treatment of internal bodily organs. The medical optical fibers have apertures in a jacket of the medical optical fiber to increase an adhesion between the protective tip and the jacket.

Abstract: The present disclosure provides medical optical fibers configured to couple to medical laser systems and convey laser energy to a target. The medical optical fibers comprise a fiber core surrounded by a cladding which is further surrounded by a jacket. The overall diameter of the jacket is configured for use with conventional endoscopes, but the diameter of the fiber core is configured to convey the laser energy at power densities to cause interactions between the laser energy and the target and between the laser energy and the liquid medium in which the target is found.

Abstract: An optical resonator for a medical laser system is provided. The optical resonator comprises a lasing medium, an optical pump, and a high-reflective (HR) and an optical coupling (OC) reflector. The HR and OC reflectors are disposed symmetrically relative to the lasing medium and the HR mirror, the OC mirror, or both the HR mirror and the OC mirror are flat mirrors. The optical resonator also includes a doped insert in which the lasing medium is disposed.

Abstract: The present invention is directed towards medical optical fibers with protective tips for use with endoscopes for laser based treatment of internal bodily organs and method of manufacture therefor. The medical optical fibers have a short stripped medical optical fiber section and a protective tip provided thereon to encapsulate both the stripped medical optical fiber section and the jacket tip immediately there behind.

Abstract: The present disclosure provides a method and system for distinguishing between a stone and a tissue based on fluorescence from the stone or the tissue. Multiple reference beams are projected on a target to determine the distance to the target. The intensity of a fluorescence excitation beam is measured in conjunction with the determined distance to calculate the luminescence of the target and therefore it is a valid target for therapeutic lasing. In case a valid target for therapeutic lasing is detected and a switch is actuated, the therapeutic lasing will be enabled. In case a valid target for therapeutic lasing is not detected and the switch is actuated, the therapeutic lasing will be immediately disabled. The fluorescence excitation beam is pulsed at a high intensity and low duty cycle to avoid blinding an endoscopic imager used in the procedure.

Abstract: Apparatus for the treatment of a target tissue with a laser beam in which the target tissue is immersed in a liquid medium within a body lumen. The laser device is configured to provide one or more laser pulses which are configured by a controller to have an energy sufficient to form one or more vapor bubbles in the liquid medium at the distal delivery end of the fiber. The one or more pulses are configured by the controller to: first, cause a vapor bubble to be formed distally of the distal end portion of the endoscope and around the distal delivery end of the optical fiber; second, cause a second bubble to be formed distally of the first bubble; and, third, inflate the second bubble as the first bubble has begun to collapse to expand an amount sufficient to displace a substantial portion of the liquid medium from the space between the distal delivery end of the fiber and the target tissue.

Abstract: A method of treating a mobile target tissue with a laser beam includes: providing a laser device for generating a laser beam and providing an optical fiber having a delivery end for guiding the laser beam to the target tissue; a controller causes the laser device to generate one or more laser pulses substantially along the same longitudinal axis. The controller causes the laser device to provide one or more laser pulses. The one or more pulses are selected to allow a vapor bubble formed by the one or more pulse to expand an amount sufficient to displace a substantial portion of the liquid medium from the space between the delivery end of the fiber and the target tissue. The one or more pulses are delivered to the target tissue through the vapor bubble after the vapor bubble has reached its maximum extent and has begun to collapse to reduce retropulsion of the mobile target tissue.