Patents by Inventor Bruno Lassalas
Bruno Lassalas has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11432963Abstract: Particular embodiments disclosed herein provide a surgical laser system comprising first laser source configured to emit a first laser beam with a first wavelength and a second laser source configured to emit a second laser beam with a second wavelength. The surgical laser system further comprises a first diffraction optical element (DOE) tuned to the first wavelength and a second DOE tuned to the second wavelength, wherein the first DOE is configured to diffract the first laser beam into one or more first diffracted beams at a diffraction angle and the second DOE is configured to diffract the second laser beam into one or more second diffracted beams at the same diffraction angle. The surgical laser system further comprises one or more beam splitters configured to reflect the one or more first diffracted beams and the one or more second diffracted beams onto a lens.Type: GrantFiled: May 27, 2020Date of Patent: September 6, 2022Assignee: Alcon Inc.Inventors: Bruno Lassalas, Mark Harrison Farley, Alireza Mirsepassi, Ronald T. Smith
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Publication number: 20220125640Abstract: In certain embodiments, a system for sensing occlusions in an optical system includes a first laser source configured to generate optical signals and a set of optical elements arranged to receive the optical signals from the first laser source and to direct the optical signals along a beam path. The system also includes a detector arranged to receive reflections of the optical signals traveling along at least a portion of the beam path and a control system communicably coupled to the detector. The control system is configured to detect, based on signals generated by the detector, reflection signals associated with the reflections of the optical signals, and disable a second laser source based on detection of the reflection signals.Type: ApplicationFiled: January 11, 2022Publication date: April 28, 2022Inventors: Gerald David Bacher, Nikki Koe, Bruno Lassalas, Alireza Mirsepassi, Dean Richardson, Ronald T. Smith
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Patent number: 11191606Abstract: In certain embodiments, an illuminating endoprobe system includes one or more light sources, a housing, a vitreous visualization fiber, and a general illumination fiber. The light sources generate a visualization light and an illumination light. The housing receives the visualization and illumination light, and has a probe tip with a probe axis. The vitreous visualization fiber transmits the visualization light through the probe tip. The visualization light has a visualization axis and a visualization beam angle at the probe tip. The general illumination fiber transmits the illumination light through the probe tip. The illumination light has an illumination axis and an illumination beam angle at the probe tip. The illumination beam angle is greater than the visualization beam angle, and the illumination axis is at an offset angle relative to the visualization axis, where the offset angle greater than 5 degrees.Type: GrantFiled: April 9, 2019Date of Patent: December 7, 2021Assignee: Alcon Inc.Inventors: Bruno Lassalas, Chenguang Diao, Alireza Mirsepassi, Kambiz Parto, Mark Harrison Farley
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Publication number: 20200375660Abstract: Particular embodiments disclosed herein provide a surgical laser system comprising first laser source configured to emit a first laser beam with a first wavelength and a second laser source configured to emit a second laser beam with a second wavelength. The surgical laser system further comprises a first diffraction optical element (DOE) tuned to the first wavelength and a second DOE tuned to the second wavelength, wherein the first DOE is configured to diffract the first laser beam into one or more first diffracted beams at a diffraction angle and the second DOE is configured to diffract the second laser beam into one or more second diffracted beams at the same diffraction angle. The surgical laser system further comprises one or more beam splitters configured to reflect the one or more first diffracted beams and the one or more second diffracted beams onto a lens.Type: ApplicationFiled: May 27, 2020Publication date: December 3, 2020Inventors: Bruno Lassalas, Mark Harrison Farley, Alireza Mirsepassi, Ronald T. Smith
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Publication number: 20200107960Abstract: In certain embodiments, a system for sensing occlusions in an optical system includes a first laser source configured to generate optical signals and a set of optical elements arranged to receive the optical signals from the first laser source and to direct the optical signals along a beam path. The system also includes a detector arranged to receive reflections of the optical signals travelling along at least a portion of the beam path and a control system communicably coupled to the detector. The control system is configured to detect, based on signals generated by the detector, reflection signals associated with the reflections of the optical signals, and disable a second laser source based on detection of the reflection signals.Type: ApplicationFiled: October 4, 2019Publication date: April 9, 2020Inventors: Gerald David Bacher, Nikki Koe, Bruno Lassalas, Alireza Mirsepassi, Dean Richardson, Ronald T. Smith
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Publication number: 20190314111Abstract: In certain embodiments, an illuminating endoprobe system includes one or more light sources, a housing, a vitreous visualization fiber, and a general illumination fiber. The light sources generate a visualization light and an illumination light. The housing receives the visualization and illumination light, and has a probe tip with a probe axis. The vitreous visualization fiber transmits the visualization light through the probe tip. The visualization light has a visualization axis and a visualization beam angle at the probe tip. The general illumination fiber transmits the illumination light through the probe tip. The illumination light has an illumination axis and an illumination beam angle at the probe tip. The illumination beam angle is greater than the visualization beam angle, and the illumination axis is at an offset angle relative to the visualization axis, where the offset angle greater than 5 degrees.Type: ApplicationFiled: April 9, 2019Publication date: October 17, 2019Inventors: Bruno Lassalas, Chenguang Diao, Alireza Mirsepassi, Kambiz Parto, Mark Harrison Farley
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Patent number: 9561085Abstract: 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.Type: GrantFiled: November 26, 2014Date of Patent: February 7, 2017Assignee: Alcon Research Ltd.Inventors: Michael J. Yadlowsky, Michael James Papac, Bruno Lassalas
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Patent number: 9526588Abstract: 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.Type: GrantFiled: November 26, 2014Date of Patent: December 27, 2016Assignee: Alcon Research Ltd.Inventors: Michael J. Yadlowsky, Michael James Papac, Bruno Lassalas
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Publication number: 20160228207Abstract: 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.Type: ApplicationFiled: November 26, 2014Publication date: August 11, 2016Inventors: Michael J. Yadlowsky, Michael James Papac, Bruno Lassalas
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Patent number: 8900139Abstract: 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.Type: GrantFiled: April 30, 2012Date of Patent: December 2, 2014Assignee: Alcon Research, Ltd.Inventors: Michael J. Yadlowsky, Michael James Papac, Bruno Lassalas
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Patent number: 8837883Abstract: 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.Type: GrantFiled: September 23, 2011Date of Patent: September 16, 2014Assignee: Alcon Research, Ltd.Inventors: Bruno Lassalas, Michael J. Papac, Michael J. Yadlowsky
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Publication number: 20130077917Abstract: 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.Type: ApplicationFiled: September 23, 2011Publication date: March 28, 2013Inventors: Bruno Lassalas, Michael J. Papac, Michael J. Yadlowsky
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Publication number: 20120283523Abstract: 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.Type: ApplicationFiled: April 30, 2012Publication date: November 8, 2012Inventors: Michael J. Yadlowsky, Michael James Papac, Bruno Lassalas
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Publication number: 20090234334Abstract: A system, apparatus and method for spatially distributed, spectrally neutral optical attenuation. One embodiment of the apparatus can include: an attenuator fin plate; a set of attenuator fins, wherein each of the fins is operably coupled to the fin plate at a preset fin angle to the fin plate normal such that the attenuator fins maintain their position relative to the fin plate as the fin plate moves; and a motor for rotating the fin plate a set angular distance around an axis of rotation, wherein the axis of rotation is at a preset fin plate angle to a light beam direction of travel and wherein the attenuator fins block varying amounts of the light beam as the fin plate is rotated through the set angular distance. The attenuator fin plate and attenuator fins can be a single, integral component, wherein the attenuator fin plate is etched and stamped to form the attenuator fins, or separately formed components that are attached, for example, to a separate frame.Type: ApplicationFiled: March 24, 2009Publication date: September 17, 2009Inventors: Alexander Artsyukhovich, T. Scott Rowe, Bruno Lassalas, Lawrence Darnell, W. Jake Kozlowski,, JR.
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Publication number: 20090040181Abstract: Embodiments provide a system and method for magnetic hand controllers. An embodiment of a magnetic hand controller can include a base portion comprising a base magnet, a hand control portion spaced from and movable relative to the base portion, the hand control portion comprising a hand control and a hand control magnet coupled to the hand control and oriented so that the hand control magnet is attracted to the base magnet. The hand control portion may be coupled to a device such that a user may control the device by moving the hand control.Type: ApplicationFiled: August 9, 2007Publication date: February 12, 2009Inventors: Lawrence Darnell, Christopher Horvath, Bruno Lassalas
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Publication number: 20070073279Abstract: A continuous wave laser is provided to produce isolated surgical effects within selected tissue layers. The continuous wave laser includes a laser source, an optical modulation device, and a system controller. The laser source produces a laser beam which is provided to the optical modulation device. The optical modulation device modulates the laser beam in order achieve isolated surgical effects within selected tissue layers. The system controller drives the laser source and the optical modulation device to achieve the isolated surgical effects. The system controller may direct the laser beam delivered to the selected tissues comprise a series of modulated bursts which further comprise modulated micro bursts. These bursts and micro bursts may be modulated in amplitude, duration and separation.Type: ApplicationFiled: September 29, 2006Publication date: March 29, 2007Inventors: T. Rowe, Christopher Horvath, Bryan Somen, Bruno Lassalas, Stanley Polski
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Publication number: 20060103835Abstract: An optical fiber detector, and a method and system for optical fiber detection are disclosed. One embodiment of the optical fiber detector of this invention comprises: a receptacle, to receive and position an optical fiber connector; an infra-red (“IR”) source for providing an incident IR beam onto a cross-sectional face of an optical fiber and a cross-sectional face of the optical fiber connector; and an IR detector for receiving a reflected IR beam from the face of the optical fiber and the face of the optical fiber connector and generating a detector signal representative of the intensity of the reflected IR beam, wherein the intensity of the reflected IR beam is representative of the presence and type of the optical fiber.Type: ApplicationFiled: November 14, 2005Publication date: May 18, 2006Inventors: Alexander Artsyukhovich, Bruno Lassalas, T. Rowe, Peter Nguyen
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Publication number: 20060033926Abstract: A system, apparatus and method for spatially distributed, spectrally neutral optical attenuation are disclosed. One embodiment of the apparatus comprises: an attenuator fin plate; a set of attenuator fins, wherein each of the fins is operably coupled to the fin plate at a preset fin angle to the fin plate normal such that the attenuator fins maintain their position relative to the fin plate as the fin plate moves; and a means for rotating the fin plate a set angular distance around an axis of rotation, wherein the axis of rotation is at a preset fin plate angle to a light beam direction of travel and wherein the attenuator fins block varying amounts of the light beam as the fin plate is rotated through the set angular distance. The attenuator fin plate and attenuator fins can be a single, integral component, wherein the attenuator fin plate is etched and stamped to form the attenuator fins, or separately formed components that are attached, for example, to a separate frame.Type: ApplicationFiled: August 15, 2005Publication date: February 16, 2006Inventors: Alexander Artsyukhovich, T. Rowe, Bruno Lassalas, Lawrence Darnell, W. Kozlowski