Lower extremities leg length calculation method
US11771498B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 7, 2020 |
| Grant date | Oct 3, 2023 |
| Priority date | — |
| Expiry date | Aug 16, 2041 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2034/108
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A method of calculating leg length discrepancy of a patient including: receiving patient bone data associated with a lower body of the patient; identifying anatomical landmarks in the patient bone data; orienting a first proximal landmark and a second proximal landmark relative to each other and an origin in a coordinate system; aligning a first axis associated with a first femur and a second axis associated with a second femur with a longitudinal axis extending in a distal-proximal direction, wherein the first and second distal landmarks are adjusted according to the alignment of the first and second axes; calculating a distance between the first and second distal landmarks in the distal-proximal direction along the longitudinal axis; and displaying at least one of the distance or a portion of the patient bone data on a display screen.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.