System and method for determining path lengths through a body lumen
First Claim
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1. A computer-implemented method for determining a path length from an end point of a body lumen to a site of interest in the body lumen, the method comprising the steps:
- obtaining location data of a wireless in vivo device;
determining, using a processing unit, a raw path length value of the in vivo device between an end point of the body lumen and the site of interest, based upon the location data of the in vivo device;
determining a raw total lumen length value based upon the location data of the in vivo device;
calculating, using the processing unit, a relative path length value using a ratio between the raw path length value and the raw total lumen length value;
calculating, using the processing unit, an actual path length between the end point of the body lumen and the site of interest, using the relative path length value and a pre-selected overall lumen length value; and
displaying the actual path length value.
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Abstract
A system and method for determining the path length through a body lumen, for example to a specified location, is described. A location detection system may identify the location in space of an in-vivo device over time. A path-length detection unit may use data from the location detection system to determine a path traveled by an in-vivo device. A site of interest along that path may be identified. The distance of the site of interest from at least one end point of a body lumen may be determined.
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Citations
18 Claims
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1. A computer-implemented method for determining a path length from an end point of a body lumen to a site of interest in the body lumen, the method comprising the steps:
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obtaining location data of a wireless in vivo device; determining, using a processing unit, a raw path length value of the in vivo device between an end point of the body lumen and the site of interest, based upon the location data of the in vivo device; determining a raw total lumen length value based upon the location data of the in vivo device; calculating, using the processing unit, a relative path length value using a ratio between the raw path length value and the raw total lumen length value; calculating, using the processing unit, an actual path length between the end point of the body lumen and the site of interest, using the relative path length value and a pre-selected overall lumen length value; and displaying the actual path length value. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A computer-implemented method for determining a path length from an end point of a body lumen to a site of interest in the body lumen, the method comprising the steps:
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obtaining location data of an autonomous in vivo device; determining, using a processing unit, a raw path length value of the in vivo device between an end point of the body lumen and the site of interest, based upon the location data of the in vivo device; determining a raw total lumen length value based upon the location data of the in vivo device; calculating, using the processing unit, a ratio between a pre-selected overall lumen length value and the raw total lumen length value; calculating, using the processing unit, an actual path length between the end point of the body lumen and the site of interest, by multiplying the raw path length value by said ratio; and displaying the actual path length value and an identification of said end point of the body lumen. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18)
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Specification