Surgical laser tool

Abstract

A surgical laser tool for performing a laser procedure at a treatment site is provided. The surgical laser tool includes a laser source, a fiber catheter, and an analytical device. The laser source is configured to generate laser energy. The fiber catheter is configured to (i) acquire optical feedback from the treatment site and (ii) deliver the laser energy to the treatment site. The analytical device is configured to analyze reflected light from the treatment site in order to allow a physician to perform a diagnosis on the treatment site.

1 - 21 . (canceled) 
     
     
         22 . A fiber catheter, comprising:
 a plurality of channels extending between a proximal end of the fiber catheter and a distal end of the fiber catheter;   a first fiber disposed in a first channel of the plurality of channels, wherein the first fiber is configured to deliver a diagnostic light from a diagnostic light source to a treatment site; and   a second fiber disposed in a second channel of the plurality of channels, wherein the second fiber is configured to deliver a laser energy from a laser source to the treatment site; and   an actuator configured to vibrate a distal end of the first fiber within the first channel.   
     
     
         23 . The fiber catheter of  claim 22 , wherein the second fiber is configured to discharge the laser energy substantially parallel to a longitudinal axis of the second fiber or substantially perpendicular to the longitudinal axis of the second fiber. 
     
     
         24 . The fiber catheter of  claim 22 , wherein the first fiber is further configured to receive optical feedback from the treatment site. 
     
     
         25 . The fiber catheter of  claim 22 , wherein the actuator includes a magnet configured to move the distal end of the first fiber, or a piezoelectric actuator. 
     
     
         26 . The fiber catheter of  claim 22 , wherein the first fiber includes a plurality of optical fibers. 
     
     
         27 . The fiber catheter of  claim 22 , further comprising an optical component at the proximal end of the fiber catheter, the optical component being configured to couple the first fiber to the diagnostic light source and the second fiber to the laser source. 
     
     
         28 . A tool comprising:
 a laser source configured to generate a laser energy;   a light source configured to generate a diagnostic light;   a fiber catheter comprising:
 a first fiber configured to deliver the diagnostic light from the light source to a treatment site, and 
 a second fiber configured to deliver the laser energy from the laser source to the treatment site; and 
   an actuator configured to vibrate a distal end of the first fiber independent of a distal end of the second fiber.   
     
     
         29 . The tool of  claim 28 , wherein the fiber catheter includes a first channel and a second channel, and wherein the first fiber is disposed in the first channel and the second fiber is disposed in the second channel. 
     
     
         30 . The tool of  claim 28 , wherein the first fiber is configured to receive optical feedback from the treatment site based on the diagnostic light, and wherein the tool further comprises an analytical device configured to analyze the optical feedback. 
     
     
         31 . The tool of  claim 30 , wherein the analytical device includes one or more of a spectrometer, a photodetector, or a photomultiplier tube. 
     
     
         32 . The tool of  claim 28 , wherein the light source includes one or more of a broadband light source, a white light source, a LED light source, a pulsed laser source, or a laser source. 
     
     
         33 . The tool of  claim 28 , wherein the first fiber includes a plurality of optical fibers. 
     
     
         34 . The tool of  claim 28 , further comprising an optical component at a proximal end of the fiber catheter, the optical component being configured to couple the first fiber to the diagnostic light source and the second fiber to the laser source. 
     
     
         35 . A method, comprising:
 positioning a distal end of a tool adjacent a treatment site, the tool comprising:
 a laser source configured to generate a laser energy, 
 a light source configured to generate a diagnostic light, 
 a fiber catheter including a first fiber configured to deliver the laser energy to the treatment site and a second fiber configured to deliver the diagnostic light to the treatment site, and 
 an actuator configured to oscillate a distal end of the second fiber independent of the first fiber; 
   oscillating the distal end of the second fiber relative to the first fiber;   discharging the diagnostic light from the light source through the distal end of the second fiber onto the treatment site;   receiving an optical feedback from the treatment site; and   analyzing the optical feedback.   
     
     
         36 . The method of  claim 35 , wherein the analyzing the optical feedback includes using one or more of a spectrometer, a photodetector, or a photomultiplier tube. 
     
     
         37 . The method of  claim 35 , wherein the light source includes one or more of a broadband light source, a white light source, a LED light source, a pulsed laser source, or a laser source. 
     
     
         38 . The method of  claim 35 , wherein the oscillating the distal end of the second fiber is performed at a same time as the diagnostic light is discharged from the second fiber. 
     
     
         39 . The method of  claim 35 , wherein the diagnostic light is discharged in a direction parallel to a longitudinal axis of the fiber catheter. 
     
     
         40 . The method of  claim 35 , further comprising delivering the laser energy to the treatment site in a direction substantially parallel to a longitudinal axis of the second fiber. 
     
     
         41 . The method of  claim 35 , further comprising delivering the laser energy to the treatment site in a direction substantially perpendicular to a longitudinal axis of the second fiber.