Steerable laser probe
First Claim
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1. A laser probe comprising:
- a handle having a handle distal end and a handle proximal end;
an actuation structure of the handle;
an actuation guide having an actuation guide distal end and an actuation guide proximal end wherein the actuation guide is disposed in the handle;
an end plug having an end plug distal end and an end plug proximal end wherein the end plug is disposed in the handle and wherein the end plug is configured to interface with a portion of the actuation guide;
a ring disposed over a portion of the end plug;
a piston having a piston distal end and a piston proximal end wherein the piston is disposed in the actuation guide;
a nosecone of the handle having a nosecone distal end and a nosecone proximal end;
a flexible housing tube having a flexible housing tube distal end and a flexible housing tube proximal end wherein the flexible housing tube proximal end is disposed in the nosecone and wherein the flexible housing tube has dimensions configured for performing ophthalmic surgical procedures; and
an optic fiber having an optic fiber distal end and an optic fiber proximal end wherein the optic fiber is disposed in the handle and the flexible housing tube and wherein a compression of the actuation structure is configured to extend the flexible housing tube relative to the optic fiber and curve the optic fiber and wherein the compression of the actuation structure is configured to extend the nosecone relative to the handle proximal end by actuating a pair of links wherein each link of the pair of links is connected to the actuation structure and the nosecone.
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Abstract
A steerable laser probe may include an actuation structure, a nosecone fixed to the actuation structure by one or more links and one or more link pins, a flexible housing tube, and an optic fiber disposed in the flexible housing tube and the actuation structure. A compression of the actuation structure may be configured to gradually curve the flexible housing tube and the optic fiber. A decompression of the actuation structure may be configured to gradually straighten the flexible housing tube and the optic fiber.
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Citations
20 Claims
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1. A laser probe comprising:
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a handle having a handle distal end and a handle proximal end; an actuation structure of the handle; an actuation guide having an actuation guide distal end and an actuation guide proximal end wherein the actuation guide is disposed in the handle; an end plug having an end plug distal end and an end plug proximal end wherein the end plug is disposed in the handle and wherein the end plug is configured to interface with a portion of the actuation guide; a ring disposed over a portion of the end plug; a piston having a piston distal end and a piston proximal end wherein the piston is disposed in the actuation guide; a nosecone of the handle having a nosecone distal end and a nosecone proximal end; a flexible housing tube having a flexible housing tube distal end and a flexible housing tube proximal end wherein the flexible housing tube proximal end is disposed in the nosecone and wherein the flexible housing tube has dimensions configured for performing ophthalmic surgical procedures; and an optic fiber having an optic fiber distal end and an optic fiber proximal end wherein the optic fiber is disposed in the handle and the flexible housing tube and wherein a compression of the actuation structure is configured to extend the flexible housing tube relative to the optic fiber and curve the optic fiber and wherein the compression of the actuation structure is configured to extend the nosecone relative to the handle proximal end by actuating a pair of links wherein each link of the pair of links is connected to the actuation structure and the nosecone. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A laser probe comprising:
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a handle having a handle distal end and a handle proximal end; an actuation structure of the handle; an actuation guide having an actuation guide distal end and an actuation guide proximal end wherein the actuation guide is disposed in the handle; an end plug having an end plug distal end and an end plug proximal end wherein the end plug is disposed in the handle and wherein the end plug is configured to interface with a portion of the actuation guide; a ring disposed over a portion of the end plug; a piston having a piston distal end and a piston proximal end wherein the piston is disposed in the actuation guide; a nosecone of the handle having a nosecone distal end and a nosecone proximal end; a flexible housing tube having a flexible housing tube distal end and a flexible housing tube proximal end wherein the flexible housing tube proximal end is disposed in the nosecone and wherein the flexible housing tube has dimensions configured for performing ophthalmic surgical procedures; and an optic fiber having an optic fiber distal end and an optic fiber proximal end wherein the optic fiber is disposed in the handle and the flexible housing tube and wherein a decompression of the actuation structure is configured to retract the flexible housing tube relative to the optic fiber and straighten the optic fiber and wherein the decompression of the actuation structure is configured to retract the nosecone relative to the handle proximal end by actuating a pair of links wherein each link of the pair of links is connected to the actuation structure and the nosecone. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification