Patent application number | Description | Published |
20100036406 | Method of Controlling a Surgical System Based on a Load on the Cutting Tip of a Handpiece - A surgical system that is able to sense the onset of an occlusion or other surgical event as well as the instant an occlusion breaks. To help avoid overheating of the tip, the system determines an approximate temperature of the eye using an irrigation flow rate and reduces the power to the handpiece automatically if an overheating situation is predicted. Alternatively or in addition, the system monitors the power drawn by the handpiece, which is indicative of the cutting load on the tip, and automatically adjusts the power or stroke of the tip to compensate for increased loads on the tip. | 02-11-2010 |
20100121364 | Method of Controlling A Surgical System Based On A Load On The Cutting Tip Of A Handpiece - A surgical system that is able to sense the onset of an occlusion or other surgical event as well as the instant an occlusion breaks. To help avoid overheating of the tip, the system determines an approximate temperature of the eye using an irrigation flow rate and reduces the power to the handpiece automatically if an overheating situation is predicted. Alternatively or in addition, the system monitors the power drawn by the handpiece, which is indicative of the cutting load on the tip, and automatically adjusts the power to the tip to compensate for increased loads on the tip. | 05-13-2010 |
20100130914 | Method Of Controlling A Surgical System Based On Irrigation Flow - A surgical system that is able to sense the onset of an occlusion or other surgical event as well as the instant an occlusion breaks. To help avoid overheating of the tip, the system determines a temperature of an eye using irrigation flow rate and reduces the power to the handpiece automatically if an overheating situation is predicted. Alternatively or in addition, the system monitors the power drawn by the handpiece, which is indicative of the cutting load on the tip, and automatically adjusts the power or stroke of the tip to compensate for increased loads on the tip. | 05-27-2010 |
20100268388 | Method of Controlling A Surgical System Based on Irrigation Flow - A surgical system that is able to sense the onset of an occlusion or other surgical event as well as the instant an occlusion breaks. To help avoid overheating of the tip, the system determines a temperature of an eye using irrigation flow rate and reduces the power to the handpiece automatically if an overheating situation is predicted. Alternatively or in addition, the system monitors the power drawn by the handpiece, which is indicative of the cutting load on the tip, and automatically adjusts the power or stroke of the tip to compensate for increased loads on the tip. | 10-21-2010 |
20110015563 | Method Of Controlling A Surgical System Based On A Rate Of Change Of An Operating Parameter - A surgical system that is able to sense the onset of an occlusion or other surgical event as well as when an occlusion breaks. To help avoid overheating of the tip, the system of the present invention predicts the temperature of the eye using irrigation flow rate and reduces the power to the handpiece automatically if an overheating situation is predicted. Alternatively or in addition, the system of the present invention monitors the power drawn by the handpiece, which is indicative of the cutting load on the tip, and automatically adjusts the power or stroke of the tip to compensate for increased loads on the tip. | 01-20-2011 |
20120078242 | Attenuated RF Power for Automated Capsulorhexis - A capsulorhexis apparatus includes a capsulorhexis probe configured for insertion into an eye through an incision and a pulse generator configured to deliver at least one radio-frequency (RF) pulse to the capsulorhexis probe. The delivered RF pulse has a pre-determined attenuation profile such that the power level of the delivered RF pulse is substantially attenuated over the RF pulse's duration. In some embodiments, the pulse generator is configured to deliver a series of two or more RF pulses to the eye, such that the energy of each of the second and subsequent pulses of the series is substantially attenuated relative to the energy of the immediately preceding pulse. | 03-29-2012 |
20120296264 | Method of Controlling a Surgical System Based on a Load on the Cutting Tip of a Handpiece - A surgical system that is able to sense the onset of an occlusion or other surgical event as well as the instant an occlusion breaks. To help avoid overheating of the tip, the system determines an approximate temperature of the eye using an irrigation flow rate and reduces the power to the handpiece automatically if an overheating situation is predicted. Alternatively or in addition, the system monitors the power drawn by the handpiece, which is indicative of the cutting load on the tip, and automatically adjusts the power or stroke of the tip to compensate for increased loads on the tip. | 11-22-2012 |
20130211435 | Method of Controlling a Surgical System Based on a Load on the Cutting Tip of a Handpiece - A surgical system that is able to sense the onset of an occlusion or other surgical event as well as the instant an occlusion breaks. To help avoid overheating of the tip, the system determines an approximate temperature of the eye using an irrigation flow rate and reduces the power to the handpiece automatically if an overheating situation is predicted. Alternatively or in addition, the system monitors the power drawn by the handpiece, which is indicative of the cutting load on the tip, and automatically adjusts the power to the tip to compensate for increased loads on the tip. | 08-15-2013 |
Patent application number | Description | Published |
20120157828 | OPTICAL COHERENCE TOMOGRAPHY AND ILLUMINATION USING COMMON LIGHT SOURCE - A light source for a surgical system includes a broadband light source operable to produce broadband light. The light source further includes a wavelength splitter adapted to split the broadband light into illumination light having a spectral range covering at least a majority of the visible spectrum and surgical light having a spectral range outside of the spectral range of the illumination light. The light source then includes at least one surgical module adapted to control application of the surgical light. The light source also includes first and second coupling optics. The first coupling optics are configured to optically couple the illumination light to an illumination light guide for delivery to a first surgical probe. The second coupling optics are configured to optically couple the surgical light to a surgical light guide for delivery to a second surgical probe. | 06-21-2012 |
20120190921 | COUNTER-ROTATING OPHTHALMIC SCANNER DRIVE MECHANISM - An endoprobe for ophthalmic microsurgical procedures including a hand-piece including a motor, a cannula assembly coupled to the hand-piece, and a transmission system coupling the motor to the cannula assembly is provided. The cannula assembly having an outer tube and an inner tube concentric with the outer tube, each able to rotate about the longitudinal axis and having a proximal end and a distal end. The transmission system rotates the outer tube in a first direction and the inner tube in a second, opposing direction about the longitudinal axis. A method for scanning a light beam along a linear trajectory using a cannula assembly as above is also provided. | 07-26-2012 |
20120191078 | COMBINED SURGICAL ENDOPROBE FOR OPTICAL COHERENCE TOMOGRAPHY, ILLUMINATION OR PHOTOCOAGULATION - A surgical system includes a surgical laser source operable to emit a surgical laser beam and an OCT engine operable to emit an OCT beam. The surgical system also includes an endoprobe optically coupled to the surgical laser source and the OCT engine. The endoprobe includes an OCT fiber for transmitting the OCT beam, a surgical laser fiber for transmitting the surgical laser beam, and scanning optics optically coupled to the OCT fiber and the surgical laser fiber, the scanning optics configured to simultaneously scan both the OCT beam and the surgical laser beam. The surgical system further includes a processor programmed to control the scanning optics to scan the OCT beam and the surgical laser beam over a targeted tissue area and to detect an OCT signal from the targeted tissue area. | 07-26-2012 |
20120203075 | White coherent laser light launched into nano fibers for surgical illumination - Disclosed is an exemplary surgical illumination system that includes a first laser configured to emit a first light beam having a first spectral range, and an illumination probe optically connectable to the first laser. The first laser may be configured as a supercontinuum laser. The surgical illumination system may include a second laser configured to emit a second light beam having a second spectral range, and a beam combiner for combing the first and second laser beams to form a third laser beam having a spectral range of the first and second lasers. The illumination probe includes a fiber optic cable for delivering at least a portion of the first light beam to a surgical site. The fiber optic cable includes a fiber optic core having a diameter of 100 microns or less. | 08-09-2012 |
20120245569 | PNEUMATICALLY DRIVEN OPHTHALMIC SCANNING ENDOPROBE - An ophthalmic endoprobe including a hand-piece and a cannula assembly having a longitudinal axis is provided. The cannula assembly including an inner tube concentric with an outer tube; wherein the hand-piece may further include a motor powered by a pneumatic energy source, the motor providing motion to a transmission shaft; and a transmission system to couple the shaft motion to the cannula assembly; wherein the transmission system provides a counter-rotating motion to the inner tube and the outer tube about the longitudinal axis of the cannula. A fluid console for use in endoscopic ophthalmic microsurgery including a pneumatics module to obtain a pneumatic force from an external source and provide an adjustable pneumatic force; a scanning module coupled to the pneumatics module; and an endoprobe coupled to the scanning module is also provided. | 09-27-2012 |
20120283523 | ILLUMINATED MICROSURGICAL INSTRUMENT INCLUDING OPTICAL FIBER WITH BEVELED END FACE - An illuminated microsurgical instrument includes a microsurgical instrument having a distal tip and an optical fiber for delivering a beam of light to a surgical site. The optical fiber includes a proximal end for receiving a light beam from a light source, and a distal end proximate to the distal tip of the microsurgical instrument for emitting the light beam. The distal end includes a beveled end face either oriented toward or oriented opposite from the distal tip of the microsurgical instrument. | 11-08-2012 |
20130041233 | ENDOILLUMINATION USING DECENTERED FIBER LAUNCH - An endoilluminator system includes an endoilluminator probe and an illumination source. The endoilluminator probe includes a nano-scale optical fiber and a probe fiber connector, and the illumination source includes a source fiber connector. The illumination source is configured to produce an illumination spot at the source fiber connector having a diameter smaller than a diameter of a fiber core of the nano-scale optical fiber. The probe fiber connector and the source connector are configured when connected to align the illumination spot off-center relative to the nano-scale optical fiber such that the angular distribution of light emitted by the nano-scale optical fiber is increased relative to aligning the illumination spot at a center of the nano-scale optical fiber. | 02-14-2013 |
20130077917 | Shaping laser beam launches into optical fibers to yield specific output effects - Certain embodiments may include a laser system configured to emit collimated laser light, a beam diverging element configured to diverge the laser light to yield a range of propagation angles with a maximum angle greater than zero, and fiber coupling optics configured to direct the diverged laser light towards a spot of a cross-section of a fiber core of an optical fiber. As another example, certain embodiments may include a laser system configured to emit collimated laser light, a beam shaping element configured to shape the laser light into a beam with an elliptical cross-section, and fiber coupling optics configured to direct the diverged laser light towards a spot of a cross-section of a fiber core of an optical fiber, where the spot's center point is located at a distance from the cross-section's center point. | 03-28-2013 |
20130079598 | Ophthalmic endoilluminators with directed light - Certain embodiments of an endoilluminator may include a cannula, an intermediate material, and an optical fiber. The cannula has a substantially cylindrical shape that defines an interior region and has a cylindrical axis. The intermediate material is disposed within the interior region. The optical fiber is disposed within the intermediate material and has a fiber optical axis and a distal end configured to emit light. The emitted light has an illumination pattern with an illumination axis that is not parallel to the cylindrical axis. | 03-28-2013 |
20130116670 | RETINAL LASER SURGERY - Various systems, processes, and computer program products may be used to perform retinal laser surgery. In particular implementations, systems, processes, and computer program products may include the ability to identify retina blood vessels from a retina image and determine a retina location needing therapy and not substantially intersecting a retina blood vessel. The systems, processes, and computer program products may also include the ability to generate a command to activate a retinal laser when a beam from the retinal laser will be aligned with the therapeutic location. | 05-09-2013 |
20130144278 | Devices and Methods for Multispot Scanning - An ophthalmic endoprobe system comprises an optical fiber configured to transmit light energy along an optical axis. The system further comprises a first scanning element rotatable relative to the optical fiber and arranged to receive at least a portion of the transmitted light energy. The first scanning element includes a diffractive optical element. The system also comprises a second scanning element rotatable relative to the first scanning element and arranged to receive at least a portion of the transmitted light energy from the first scanning element. | 06-06-2013 |
20130158392 | Reciprocating Drive Optical Scanner for Surgical Endoprobes - A microsurgical endoprobe and method for use are provided. The microsurgical endoprobe may have a cannula assembly with a proximal element and a distal element coupled to a mechanical actuator. The microsurgical endoprobe may be configured to rotate at least one of the proximal element and the distal element in a first direction for an arc period, perform a microsurgical procedure on the tissue, and rotate the at least one of the proximal element and the distal element in a second direction opposite to the first direction for the arc period. The microsurgical endoprobe may include a hand-piece having a motor with a cannula assembly coupled to the hand-piece. | 06-20-2013 |
20130158393 | Concentric Drive Scanning Probe - An endoprobe for microsurgical procedures is provided, including a hand-piece having a concentric drive having a proximal coupling and a distal coupling and a cannula assembly coupled to the hand-piece. The cannula assembly may include an outer tube having a longitudinal axis and an inner tube positioned within the outer tube, the distal coupling providing a first rotation to the outer tube about the longitudinal axis and the proximal coupling providing a second rotation to the inner tube within the outer tube. According to embodiments disclosed herein a method for scanning a light beam using a cannula assembly as described above is also provided. | 06-20-2013 |
20140066723 | White coherent laser light launched into nano fibers for surgical illumination - Disclosed is an exemplary surgical illumination system that includes a first laser configured to emit a first light beam having a first spectral range, and an illumination probe optically connectable to the first laser. The first laser may be configured as a supercontinuum laser. The surgical illumination system may include a second laser configured to emit a second light beam having a second spectral range, and a beam combiner for combing the first and second laser beams to form a third laser beam having a spectral range of the first and second lasers. The illumination probe includes a fiber optic cable for delivering at least a portion of the first light beam to a surgical site. The fiber optic cable includes a fiber optic core having a diameter of 100 microns or less. | 03-06-2014 |
Patent application number | Description | Published |
20080234666 | SURGICAL LASER SYSTEM CONTROL ARCHITECTURE - Embodiments of the present invention provide a surgical laser system having a control architecture operable to enable the surgical laser to be controlled from a user interface local to the laser system (e.g., the laser system front panel) and from a remote device. According to one embodiment of the present invention, a surgical laser unit operable to implement one set of functionality may be coupled to an advanced control unit such that the surgical laser unit may be controllable by the advanced control unit. The advance control unit may be a surgical system such as a vitreoretinal surgical system or other such surgical system. | 09-25-2008 |
20100182569 | OPHTHALMIC ENDOILLUMINATION USING FIBER GENERATED LIGHT - In one aspect of the invention, an ophthalmic endoilluminator includes at least one pump light source and a scintillator fiber optically coupled to the pump light source. The scintillator fiber receives an output of the pump light source and produces light in a different wavelength range than the output of the pump light source. An optical coupling element couples the light to an optical fiber, which conducts the light into an eye. | 07-22-2010 |
20100318074 | OPHTHALMIC ENDOILLUMINATION USING LOW-POWER LASER LIGHT - An ophthalmic surgical system includes a laser light source having a laser treatment mode and an illumination mode. The laser treatment mode has a first power, and the illumination mode has a second power less than the first power. The ophthalmic surgical console also includes focusing optics operable to optically couple the laser light source to a light guide in the illumination mode. | 12-16-2010 |
20110037948 | White light emitting diode (LED) illuminator for ophthalmic endoillumination - An ophthalmic endoilluminator is provided. The ophthalmic endoilluminator includes one or more white light emitting diodes (LEDs), an additional light source, a first optical assembly, an optical coupling element, and an optical fiber optically coupled to the optical coupling element. The white LED is capped with a phosphor layer. The additional light source illuminates at least a portion of an exterior surface of the phosphor layer within an absorption band of phosphor material of the phosphor layer in order to excite the phosphor layer and produce additional white light. The first optical assembly receives and substantially collimates the white light. The optical coupling element receives the substantially collimated white light from the first optical assembly and directs the light to an optical fiber. The optical fiber is then used to conduct the white light into an eye. | 02-17-2011 |
20110037949 | OPHTHALMIC ENDOILLUMINATION WITH THERMALLY ISOLATED PHOSPHOR - An illuminator configured to deliver white light into an optical fiber includes a pump light source and a white phosphor. The pump light source configured to emit short-wavelength light. The white phosphor is disposed to receive the short-wavelength light from the pump light source and to output white light in response to the pumping light. The white phosphor is thermally isolated from the pump light source. | 02-17-2011 |
20110038174 | OPHTHALMIC ENDOILLUMINATION WITH LIGHT COLLECTOR FOR WHITE PHOSPHOR - In one embodiment, an illuminator configured to emit light into an optical fiber includes at least one pump light source configured to emit short-wavelength light. The illuminator further includes a white phosphor disposed to receive the short-wavelength light and to emit white light in response. The illuminator also includes a light collector configured to collect the short-wavelength light at the white phosphor such that a brightness of the white light is greater than a brightness of the short-wavelength light. | 02-17-2011 |
20110148304 | THERMOELECTRIC COOLING FOR INCREASED BRIGHTNESS IN A WHITE LIGHT L.E.D. ILLUMINATOR - A white light source includes a light-emitting diode configured to emit light of a characteristic wavelength. The white light source also includes at least one phosphor. The phosphor is configured to emit light in response to the light emitted by the light-emitting diode so that the white light source emits white light. The white light source further includes a thermally conductive base in thermal contact with the light-emitting diode and a thermo-electric cooler in thermal contact with the thermally conductive base. | 06-23-2011 |
20110292343 | Spectrally-adjustable ophthalmic illumination with discrete sources - An ophthalmic illuminator includes a one or more light combining stages arranged in series to augment a white light source with various color spectral bands. A first stage combines white light from a white light source with colored light from a first color source. Each subsequent stage in the series adds its own respective colored light. The color sources may be selectively turned on/off or driven with variable amounts of power. In this fashion, a combined light is produced by the final stage that represents a desired chromaticity and brightness as desired for a particular ophthalmic therapeutic procedure. | 12-01-2011 |
20110292344 | Real-time spectrally-adjustable ophthalmic illumination - An ophthalmic illuminator is provided that includes a plurality of color sources, each color source producing a light of a corresponding color; a combiner for combining the light from the color sources to produced a combined light; at least one optical fiber configured to receive the combined light and propagate the received combined light towards a distal end of the ophthalmic illuminator; and a controller configured to control an intensity for each of the color sources responsive to a sampling of a spectral content for the combined light. | 12-01-2011 |
20120147329 | WAVELENGTH CONVERTING ILLUMINATION PROBE - Disclosed is an exemplary wavelength converting illumination probe having an illumination probe that can be selectively connected to a light source configured to generate light at a first wavelength range. The illumination probe including a lumen defining an aperture in a distal end of the illumination probe for emitting light. The wavelength converting illumination probe further including a wavelength converting element disposed within the lumen of the illumination probe. The wavelength converting element operable for receiving light from the light source at the first wavelength range, and converting the light to a second wavelength range. | 06-14-2012 |