Abstract: Certain aspects of the present disclosure provide a thermally robust laser probe assembly comprising a cannula, wherein one or more optical fibers extend at least partially through the cannula for transmitting laser light from a laser source to a target location. The probe assembly further comprises a lens housed in the cannula and a protective component press-fitted to the distal end of the cannula, wherein the lens is positioned between the one or more optical fibers and the protective component.

Abstract: An example multi-fiber, multi-spot laser probe comprises a plurality of fibers extending from a proximal end of the laser probe to at least near a distal end of the laser probe, where the proximal end of the laser probe is configured to be coupled to a laser source via an adapter interface, and a cannula having a distal end and surrounding the plurality of fibers along at least a portion of the laser probe at or near the distal end of the laser probe, where a distal end of each of the plurality of fibers is angle-polished so that the distal end of each fiber is angled relative to a longitudinal axis of the cannula and relative to a plane perpendicular to the longitudinal axis of the cannula. Additional embodiments employ lensed fibers, a distal window, ball lens, lens array, or faceted wedge.

Abstract: Certain aspects of the present disclosure provide a thermally robust laser probe assembly comprising a cannula, wherein one or more optical fibers extend at least partially through the cannula for transmitting laser light from a laser source to a target location. The probe assembly further comprises a lens housed in the cannula and a protective component press-fitted to the distal end of the cannula, wherein the lens is positioned between the one or more optical fibers and the protective component.

Abstract: Certain aspects of the present disclosure provide a thermally robust laser probe assembly comprising a cannula, wherein one or more optical fibers extend at least partially through the cannula for transmitting laser light from a laser source to a target location. The probe assembly further comprises a lens housed in the cannula and a protective component press-fitted to the distal end of the cannula, wherein the lens is positioned between the one or more optical fibers and the protective component.

Abstract: Various embodiments are generally directed to a surgical probe with shape-memory material, such as a probe with a set of light sources, for instance. Some embodiments are particularly directed to a cannula with a shape-memory material that is used to secure a window. In one or more embodiments, for example, an apparatus for surgical use may include a cannula with a shape-memory material in an austenitic phase. In some embodiments, the window may be positioned at an opening of the cannula when the shape-memory material is in a martensitic phase. In some embodiments, transitioning the shape-memory material from the martensitic phase to the austenitic phase secures the window in position at the opening of the cannula.

Abstract: 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.

Abstract: In some embodiments, an illuminated microsurgical instrument system includes a microsurgical instrument having a distally projecting tubular member arranged to perform a medical procedure. The tubular member has a distal tip and an outer surface, the outer surface having a flat surface formed therein. The instrument includes a sheath member surrounding a portion of the tubular member and extending toward the distal tip of the tubular member and an optical fiber extending along a length of the flat surface between the tubular member and the sheath member. The instrument may include an opening such as a slot in the distal end of the sheath member to direct exiting air away from the tip of the optical fiber. The instrument may further include a slack chamber, collar structure, and fiber guard member to support and guide the optical fiber to the distal tip.

Abstract: An example multi-fiber, multi-spot laser probe comprises a plurality of fibers extending from a proximal end of the laser probe to at least near a distal end of the laser probe, where the proximal end of the laser probe is configured to be coupled to a laser source via an adapter interface, and a cannula having a distal end and surrounding the plurality of fibers along at least a portion of the laser probe at or near the distal end of the laser probe, where a distal end of each of the plurality of fibers is angle-polished so that the distal end of each fiber is angled relative to a longitudinal axis of the cannula and relative to a plane perpendicular to the longitudinal axis of the cannula. Additional embodiments employ lensed fibers, a distal window, ball lens, lens array, or faceted wedge.

Abstract: Provided herein is an illuminated microsurgical instrument system and an illuminated microsurgical instrument. In one implementation, the system includes a microsurgical instrument having a distally projecting tubular member arranged to perform a medical procedure at an interventional site. The tubular member has a distal tip and an outer surface, the outer surface having a flat surface formed therein. The instrument includes a sheath member surrounding a portion of the tubular member and extending toward the distal tip of the tubular member and an optical fiber extending along a length of the flat surface between the tubular member and the sheath member. The instrument may further include a slack chamber, collar structure, and fiber guard member to support and guide the optical fiber to the distal tip.

Abstract: A surgical probe system comprising a surgical probe having a probe needle, an optical fiber incorporated onto the probe needle, wherein a proximal end of the optical fiber is connected to a light source and a distal end of the optical fiber projects illumination light from the light source over a tip of the probe needle; and an adjustment mechanism that varies the illumination light between a first beam having a first numerical aperture that facilitates vitreous visualization and a second beam having a second numerical aperture that facilitates background illumination, wherein the second numerical aperture is larger than the first numerical aperture.

Abstract: A surgical probe system comprising a surgical probe having a probe needle, a first optical fiber incorporated onto the probe needle, wherein a distal end of the first optical fiber projects a first beam of illumination light over a tip of the probe needle when activated; a second optical fiber incorporated onto the probe needle, wherein a distal end of the second optical fiber projects a second beam of illumination light over the tip of the probe needle when activated; and a third optical fiber incorporated onto the probe needle, wherein a distal end of the third optical fiber projects a third beam of light over the tip of the probe needle to perform a distance measurement between the probe needle and a patient's when activated, wherein the distance measurement is displayed or audibly presented to aid a user in probe positional awareness with respect to the patient's retina.

Abstract: 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.

Abstract: An example illuminated microsurgical instrument comprises a handpiece, a tubular member connected to the handpiece to perform a medical procedure at an interventional site, a sheath member surrounding a portion of the tubular member and extending toward the distal tip of the tubular member, and an optical fiber positioned within the sheath member and connected to the sheath member, wherein a distal tip of the optical fiber is recessed within the sheath member and directed toward the distal tip of the tubular member. The sheath member and distal tip of the optical fiber may be movable between a proximal position at a first distance from the distal tip of the tubular member and a distal position at a second distance from the distal tip of the tubular member, wherein the second distance is shorter than the first distance. Movement of the sheath member moves the distal tip of the optical fiber to generate a wider illumination or a narrower illumination on the site being visualized.

Abstract: Certain aspects of the present disclosure provide a thermally robust laser probe assembly comprising a cannula, wherein one or more optical fibers extend at least partially through the cannula for transmitting laser light from a laser source to a target location. The probe assembly further comprises a lens housed in the cannula and a protective component press-fitted to the distal end of the cannula, wherein the lens is positioned between the one or more optical fibers and the protective component.

Abstract: Various embodiments are generally directed to a surgical probe with shape-memory material, such as a probe with a set of light sources, for instance. Some embodiments are particularly directed to a cannula with a shape-memory material that is used to secure a window. In one or more embodiments, for example, an apparatus for surgical use may include a cannula with a shape-memory material in an austenitic phase. In some embodiments, the window may be positioned at an opening of the cannula when the shape-memory material is in a martensitic phase. In some embodiments, transitioning the shape-memory material from the martensitic phase to the austenitic phase secures the window in position at the opening of the cannula.

Abstract: A scanning optical probe and method includes a cannula, optical fiber, lens, and an actuating mechanism for tilting the optical fiber back and forth within the cannula. An actuator in the probe handle is coupled to various flexing and guide components extending through the cannula and towards the distal end of the scanning optical probe. Reciprocating motion from the actuator is transmitted to the components thereby causing the optical fiber at the distal end of the scanning optical probe to aim across target surfaces. The light emitted from the optical fiber is processed to generate a scan of the target area.

Abstract: The imaging probe can comprise a housing, having a proximal region configured to be coupled to an optical cable; a cannula, extending from a distal region of the housing; an optical guide, positioned partially in the housing and partially in the cannula, configured to receive an imaging light from the cable in the proximal region of the housing, and to guide the imaging light towards a distal end of the cannula; an optical focusing element, configured to receive the imaging light from the optical guide, and to emit a focused imaging light; an elastomeric optical element, configured to receive the focused imaging light from the optical focusing element, and to be deformable to redirect the focused imaging light; and an actuator system, configured to deform the elastomeric optical element to redirect the focused imaging light.

Abstract: An example laser probe comprises one or more fibers extending from a proximal end of the laser probe to at least near a distal end of the laser probe, where the proximal end of the laser probe is configured to be coupled to a laser source via an adapter interface, and a cannula having a distal end and surrounding the one or more fibers along at least a portion of the laser probe at or near the distal end of the laser probe. The laser probe further comprises one or more lens elements, where each lens element is fused to or formed directly on the distal end of a corresponding one of the one or more fibers. In some embodiments, the laser probe is a multi-fiber, multi-spot laser probe, e.g., comprising four or more fibers and four or more corresponding lens elements.

Abstract: An example multi-fiber, multi-spot laser probe comprises a plurality of fibers extending from a proximal end of the laser probe to at least near a distal end of the laser probe, where the proximal end of the laser probe is configured to be coupled to a laser source via an adapter interface, and a cannula having a distal end and surrounding the plurality of fibers along at least a portion of the laser probe at or near the distal end of the laser probe, where a distal end of each of the plurality of fibers is angle-polished so that the distal end of each fiber is angled relative to a longitudinal axis of the cannula and relative to a plane perpendicular to the longitudinal axis of the cannula. Additional embodiments employ lensed fibers, a distal window, ball lens, lens array, or faceted wedge.

Abstract: An optical light scanning probe is presented, the probe comprising a handle, shaped for grasping by a user; a cannula, protruding from a distal portion of the handle with an outer diameter smaller than 20 gauge; an optical fiber with a distal fiber-portion off a probe-axis, configured to receive a light from a light-source at a proximal fiber-portion, and to emit the received light at the distal fiber-portion; a fixed beam forming unit, disposed at a distal portion of the cannula, configured to receive the light from the distal fiber-portion, and to deflect the received light toward a target region; and a fiber actuator, housed at least partially in the handle, configured to move the distal fiber-portion to scan the deflected light along a scanning curve in the target region.