Surgical Device and Surgical Method
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Accused Products
Abstract
A surgical instrument system for ophthalmic surgery in an eye is provided, comprising: an OCT apparatus including an interferometer; an optical fiber coupled to the OCT apparatus and extending a probe arm of the interferometer; a hand tool comprising: a hand piece, a tube extending away from the hand piece and comprising a distal end portion having a longitudinal axis, wherein a distal portion of the optical fiber is received within the tube; a beam emitter coupled to a tip end of the optical fiber and configured to emit an OCT measuring beam into an emission direction; and an actuator configured to change the emission direction of the OCT measuring beam relative to a tip end of the distal end portion.
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Citations
80 Claims
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1-60. -60. (canceled)
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61. A surgical instrument system for ophthalmic surgery in an interior of an eye, comprising:
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an OCT apparatus including an interferometer; an optical fiber coupled to the OCT apparatus and extending a probe arm of the interferometer, the optical fiber having a tip end; a hand tool comprising; a hand piece, a tube extending away from the hand piece and comprising a distal end portion having a longitudinal axis and a tip end, wherein a distal portion of the optical fiber is received within the tube; a beam emitter coupled to the tip end of the optical fiber and configured to emit an OCT measuring beam into an emission direction of the beam emitter; and an actuator configured to change the emission direction of the OCT measuring beam relative to the tip end of the distal end portion; wherein a first tangent to the longitudinal axis at a proximal end of the distal end portion and a second tangent to the longitudinal axis at the tip end of the distal end portion form a bending angle of the distal end portion of between 60 and 100 degrees; wherein a first distance between an intersection point of the first tangent with the second tangent and the proximal end is between 4.5 mm and 8 mm; and wherein a second distance between the intersection point and the tip end of the distal end portion is between 3 mm and 9 mm.
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68. A surgical instrument system for ophthalmic surgery in an interior of an eye, comprising:
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an OCT apparatus including an interferometer; an optical fiber coupled to the OCT apparatus and extending a probe arm of the interferometer, the optical fiber having a tip end; a hand tool comprising; a hand piece, a tube extending away from the hand piece and comprising a distal end portion having a longitudinal axis and a tip end, wherein a distal portion of the optical fiber is received within the tube; a beam emitter coupled to the tip end of the optical fiber and configured to emit an OCT measuring beam into an emission direction of the beam emitter; and an actuator configured to change the emission direction of the OCT measuring beam relative to the tip end of the distal end portion; wherein a first tangent to the longitudinal axis at a proximal end of the distal end portion and a second tangent to the longitudinal axis at the tip end of the distal end portion form a bending angle of the distal end portion of between 60 and 100 degrees; and wherein the tip end of the distal end portion is displaced by less than 1.5 mm, when a force of 0.25 N is applied to the tip end of the distal end portion and the proximal end is held stationary.
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74. A surgical instrument system for ophthalmic surgery in an interior of an eye, comprising:
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an OCT apparatus including an interferometer; an optical fiber coupled to the OCT apparatus and extending a probe arm of the interferometer, the optical fiber having a tip end; a hand tool comprising; a hand piece, a tube extending away from the hand piece and comprising a distal end portion having a longitudinal axis and a tip end, wherein a distal portion of the optical fiber is received within the tube; a beam emitter coupled to the tip end of the optical fiber and configured to emit an OCT measuring beam into an emission direction of the beam emitter; and an actuator configured to change the emission direction of the OCT measuring beam relative to the tip end of the distal end portion; and a phacoemulsificator.
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76. A method comprising:
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inserting an OCT probe into an interior of an eye; emitting an OCT measuring beam from the OCT probe located within the eye into plural directions; and receiving OCT measuring light scattered from various tissue structures of the eye with the OCT probe.
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80. A method, the method comprising:
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forming a hole in a lens of an eye by removing a portion of the lens; inserting an OCT probe into the hole formed in the lens; emitting an OCT measuring beam from the OCT probe located within the hole formed in the lens into plural directions; and receiving OCT measuring light scattered from various tissue structures of the eye with the OCT probe.
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Specification