Controller to select optical channel parameters in a catheter

1. A method, comprising:

receiving, at a microprocessor executable controller, catheter size information and a second information component, wherein the second information component comprises at least one of imaging information regarding a target endovascular structure, imaging information regarding a non-target endovascular structure, imaging information regarding target endovascular structure characterization information, a current location of a distal tip of the laser catheter, an orientation of the distal tip, an area of contact by the distal tip with the target endovascular structure, and an area of contact by the distal tip with the non-target endovascular structure,

upon receiving the catheter size information and the second information component, the microprocessor selecting at least one of a fiber active area for each optical channel, a number of optical channels, a configuration of fibers in an optical channel, an optical channel to be irradiated, and an ordering of optical channel irradiation;

directing a laser beam along an optical path onto a rotating optical member;

rotating the optical member to redirect the laser beam from the optical path onto one or more selected optical fibers of the laser catheter; and

irradiating, by the distal end of the laser catheter, the target endovascular structure.

2. The method of claim 1 , wherein the microprocessor executable controller selects the number of optical channels and fiber active area per optical channel to maintain a level of energy delivered by the irradiated optical channel below an adverse effect threshold but above a level to provide a proper fluence value for tissue ablation.

3. The method of claim 1 , wherein the microprocessor executable controller selects a first number of optical channels for a first catheter and a second number of optical channels for a second catheter and wherein the first and second numbers of optical channels are different and wherein a first total fiber active area of the first catheter is different from a second total fiber active area of the second catheter.

4. A system, comprising:

a microprocessor executable controller configured to:

receive catheter size information and a second information component, wherein the second information component comprises at least one of imaging information regarding a target endovascular structure, imaging information regarding a non-target endovascular structure, target endovascular structure characterization information, a current location of a distal tip of the laser catheter, an orientation of the distal tip, and an area of contact by the distal tip with the target endovascular structure, and an area of contact by the distal tip with the non-target endovascular structure;

select at least one of a fiber active area for each optical channel, a number of optical channels, a configuration of fibers in an optical channel, an optical channel to be irradiated, and an ordering of optical channel irradiation based on the catheter size information and the second information component; and

a rotating optical member to receive a laser beam along an optical path and rotate to a selected position to redirect the laser beam from the optical path onto one or more selected optical fibers of the laser catheter, wherein the distal end of the laser catheter irradiates the target endovascular structure.

5. The system of claim 4 , wherein the microprocessor executable controller is configured to select the number of optical channels and fiber active area per optical channel to maintain a level of energy delivered by the irradiated optical channel below an adverse effect threshold but above a level to provide a proper fluence value for tissue ablation.

6. The system of claim 4 , wherein the microprocessor executable controller is configured to select a first number of optical channels for a first catheter and a second number of optical channels for a second catheter, wherein the first and second numbers of optical channels are different, and wherein a first total fiber active area of the first catheter is different from a second total fiber active area of the second catheter.

7. A tangible, non-transient computer readable medium comprising microprocessor executable instructions that, when executed, perform operations comprising:

receiving catheter size information and a second information component, wherein the second information component comprises at least one of imaging information regarding a target endovascular structure, target endovascular structure characterization information, a current location of a distal tip of the laser catheter, an orientation of a distal tip of the laser catheter, and an area of contact by the distal tip with the target endovascular structure, and an area of contact by the distal tip with a non-target endovascular structure;

selecting at least one of a fiber active area for each optical channel, a number of optical channels, a configuration of fibers in an optical channel, an optical channel to be irradiated, and an ordering of optical channel irradiation based on the catheter size information and the second information component;

directing a laser beam along an optical path onto a rotating optical member;

rotating the optical member to redirect the laser beam from the optical path onto one or more selected optical fibers of the laser catheter; and

irradiating, by the distal end of the laser catheter, the target endovascular structure.

8. The computer readable medium of claim 7 , wherein the instructions, when executed, select the number of optical channels and fiber active area per optical channel to maintain a level of energy delivered by the irradiated optical channel below an adverse effect threshold but above a level to provide a proper fluence value for tissue ablation.

9. The computer readable medium of claim 7 , wherein the instructions, when executed, select a first number of optical channels for a first catheter and a second number of optical channels for a second catheter and wherein the first and second numbers of optical channels are different and wherein a first total fiber active area of the first catheter is different from a second total fiber active area of the second catheter.