US 2026/0137448 A1 · APPARATUS FOR LASER TREATMENT

Abstract

An apparatus for laser treatment, which may provide precise laser treatment in a body, the apparatus for laser treatment including: a light irradiation unit including an optical fiber; a catheter having an expansion fixing portion into which the optical fiber is inserted; a sensor monitoring unit including a plurality of sensors provided in the catheter; and a controller receiving measurement information from the sensor monitoring unit and controlling the light source Furthermore, the plurality of sensors include a shape information sensor inserted together with the optical fiber and configured to obtain internal shape information of the tubular tissue in a position of an optical fiber end to which light is irradiated, and in a cross-section, perpendicular to a longitudinal direction of the catheter, the shape information sensor is disposed in a central portion, together with the optical fiber.

Claims20

Dependent claims

An apparatus for laser treatment, comprising:

a light irradiation unit including an optical fiber connected to a light source;
a catheter having an expansion fixing portion into which the optical fiber is inserted, and which fixes a position thereof in a tubular tissue within a body;
a sensor monitoring unit including a plurality of sensors provided in the catheter;
and
a controller receiving measurement information from the sensor monitoring unit and controlling the light source of the light irradiation unit, and including a processor and a storage medium connected to the processor and storing a control program,
wherein the plurality of sensors include a shape information sensor inserted together with the optical fiber and configured to obtain internal shape information of the tubular tissue in a position of an optical fiber end to which light is irradiated, and
in a cross-section, perpendicular to a longitudinal direction of the catheter, the shape information sensor is disposed in a central portion, together with the optical fiber.

4 more elements

An apparatus for laser treatment, comprising:

a light irradiation unit including an optical fiber connected to a light source;
a catheter including a flexible tip disposed in a tip portion thereof, a balloon disposed behind the flexible tip, into which the optical fiber is inserted, and which fixes a position in a tubular tissue within a body, and an endoscope unit disposed in back of the balloon;
a piezoelectric sensor attached to the optical fiber within the balloon and configured to obtain diameter information of the tubular tissue behind an optical fiber end to which light is irradiated;
and
a fluid management unit including a pump for supplying fluid to inflate the balloon and removing the supplied fluid,
wherein the piezoelectric sensor is disposed in plural in a longitudinal direction of the catheter,
the piezoelectric sensor is disposed in a central portion, together with the optical fiber, in a cross-section, perpendicular to the longitudinal direction of the catheter,
the catheter includes a transparent tube surrounding the optical fiber and a delivery tube surrounding the transparent tube, and
the delivery tube includes a channel through which fluid passes, a channel in which the transparent tube is disposed, and a channel in which a wire connected to the piezoelectric sensor is disposed.

6 more elements

Dependencies are inferred from the claim text.

Apparatus for laser treatment

Life of this patent

Apparatus for laser treatment

Life of this patent

Abstract

Claims20