Airway bypass site selection and treatment planning

• US 7,985,187 B2
• Filed: 01/08/2009
• Issued: 07/26/2011
• Est. Priority Date: 06/30/2006
• Status: Active Grant

• Current Assignee: Broncus Medical Incorporated
• Original Assignee: Broncus Technologies, Inc
• Inventors: Cole, Cary, Roschak, Edmund J., Wibowo, Henky, Keast, Thomas M.
• Primary Examiner(s): Marmor, II; Charles A
• Assistant Examiner(s): Toth; Karen E
• Application Number:
  US12/350,785
• Publication Number:
  US 20090124883A1
• Time in Patent Office: 929 Days
• Field of Search: 600/529
• US Class Current: 600/529
• CPC Class Codes: A61B 1/2676 Bronchoscopes
• CPC Class Codes: A61B 5/02007 Evaluating blood vessel condition, e.g. elasticity, compliance
• CPC Class Codes: A61B 5/08 Detecting, measuring or recording devices for evaluating the respiratory organs A61B5/0205 takes precedence
• CPC Class Codes: A61B 5/1075 for measuring dimensions by non-invasive methods, e.g. for determining thickness of tissue layer A61B8/0858 takes precedence
• CPC Class Codes: A61B 6/00 Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment instruments measuring radiation intensity for application in the field of nuclear medicine, e.g. in vivo counting, G01T1/161; apparatus for taking X-ray photographs G03B42/02
• CPC Class Codes: A61B 6/481 involving the use of contrast agents
• CPC Class Codes: A61B 8/12 in body cavities or body tracts, e.g. by using catheters catheters per se A61M25/00

Abstract

This invention relates to systems and methods for site selection and placement of extra-anatomic passages altering gaseous flow in a diseased lung.

Claims

1. A method of assessing a plurality of treatment sites in airways of a lung of a patient, the method comprising:

selecting the plurality of sites within the airways of the diseased lung;

determining at least one anatomic characteristic of each site;

assessing a degree of a plurality of diseased regions in the lung;

using a computer to calculate a score for each site based on the degree of the plurality of diseased regions in the lung, at least one anatomic characteristic of each site and a proximity of the site to at least one of the diseased regions; and

displaying each score in association with each site in graphical form on a computer assisted display or visualization system.

2. The method of claim 1, where identifying the plurality of sites comprises selecting at least one site per each segmental airway of the bronchi.

3. The method of claim 1, further comprises performing non-invasive imaging to assess the degree of the plurality of diseased regions of the lung and to determine at least one anatomic characteristic of each site.

4. The method of claim 3, where the non-invasive imaging is computer tomography (CT) imaging.

5. The method of claim 3, where assessing the degree of the diseased region in the lung comprises comparing the diseased pattern in the region to a database of images with diseased pattern.

6. The method of claim 1, further comprises displaying information regarding at least one anatomic characteristic of the site when displaying the score of the site.

7. The method of claim 1, wherein each of said identifying at least one parameter of the component device;

identifying a target region in the airway based on at least one anatomical parameter;

locating at least one location of diseased lung tissue;

automatically selecting at least one treatment site and displaying the plurality of treatment sites is carried out solely on data and other imaging.

8. A method for identifying treatment sites in airways of a patient'"'"'s lung for treatment by a surgical system comprising at least one component device, the method comprising:

identifying at least one parameter of the component device;

identifying a target region in the airway based on at least one anatomical parameter;

locating at least one location of diseased lung tissue;

using a computer to automatically select at least one treatment site by assessing the anatomy between at least one of the potential treatment sites and at least one location of diseased lung; and

displaying the plurality of treatment sites in data, electronic or graphic form on a computer assisted display or visualization system.

9. The method of claim 8, where the component device comprises an access device and a treatment device.

10. The method of claim 9, where the treatment device is selected from a group consisting of a holemaking device and an implant delivery device.

11. The method of claim 8, where the system parameter comprises a parameter selected from a group consisting of a length, diameter, and bending radius of one or more of the component devices.

12. The method of claim 8, wherein each of said identifying at least one parameter of the component device;

identifying a target region in the airway based on at least one anatomical parameter;

locating at least one location of diseased lung tissue;

automatically selecting at least one treatment site and displaying the plurality of treatment sites is carried out prior to the treatment.

13. The method of claim 8, further comprising the step of transmitting the treatment sites to a system for tracking a probe through a body of the patient.

14. The method of claim 13, wherein said tracking system comprises at least one sensor.

15. The method of claim 8, comprising superimposing the treatment sites onto a virtual rendering of the airways.

16. The method of claim 8, further comprising evaluating at least one access path to at least one treatment site.

17. The method of claim 8, further comprising creating and displaying a sites roadmap to said treatment site.

18. A method for ranking treatment sites in a lung from a previously obtained set of image data, said method comprising:

identifying a plurality of candidate treatment sites in an airway in the lung;

ranking the treatment sites to obtain a first treatment site on a computer; and

visually displaying a path to said first treatment site on a computer assisted display or visualization system.

19. The method of claim 18 wherein said ranking comprises ranking a plurality of treatment sites by assessing the anatomy between at least one of the treatment sites and at least one location of diseased lung tissue, and characteristics of a treatment device adapted to create holes in said airway walls.

20. The method of claim 18 further comprising transmitting said treatment sites and path to a navigation system for guiding a physician to a treatment site during a surgical procedure.

21. The method of claim 18, further comprising automating the ranking of the treatment sites via software.