US 12,458,404 B2
Methods and arrangements for external fixators
Andrew P. Noblett, Bartlett, TN (US); Johnny R. Mason, Bartlett, TN (US); Paul Bell, Memphis, TN (US); Haden Janda, Germantown, TN (US); Shawn Standard, Cockeysville, MD (US); and Benjamin Ollivere, Nottingham (GB)
Assigned to SMITH & NEPHEW, INC., Memphis, TN (US); SMITH & NEPHEW ORTHOPAEDICS AG, Zug (CH); and SMITH & NEPHEW ASIA PACIFIC PTE. LIMITED, Singapore (SG)
Appl. No. 17/791,731
Filed by Smith & Nephew, Inc., Memphis, TN (US); Smith & Nephew Orthopaedics AG, Zug (CH); and Smith & Nephew Asia Pacific Pte. Limited, Singapore (SG)
PCT Filed Feb. 26, 2021, PCT No. PCT/US2021/019818
§ 371(c)(1), (2) Date Jul. 8, 2022,
PCT Pub. No. WO2021/173931, PCT Pub. Date Sep. 2, 2021.
Claims priority of provisional application 62/982,215, filed on Feb. 27, 2020.
Prior Publication US 2023/0086184 A1, Mar. 23, 2023
Int. Cl. A61B 17/56 (2006.01); A61B 34/10 (2016.01)
CPC A61B 17/56 (2013.01) [A61B 34/10 (2016.02)] 11 Claims
OG exemplary drawing
 
1. An apparatus to determine deformity parameters, the apparatus comprising:
a means for determining a postoperative cut line or cut plane for deformity analysis based on a first image, the first image comprising a postoperative image of a first bone segment and a second bone segment, of a bone;
a means for adjusting a display of the first bone segment and second bone segment via a graphical user interface, based on input received, to move the second bone segment in the display independently from movement of the first bone segment in the display;
a means for determining movements of the second bone segment with respect to the first bone segment in the display to determine the deformity parameters;
a means for identifying a preoperative osteotomy location on a second image of the bone comprising a processor and a chipset coupled with a memory and further comprising a display device coupled with the chipset;
a means for determining a first portion and a second portion of the second image, the first portion and second portion comprising bone segments of the bone, the bone segments representative of a potential, postoperative result of an osteotomy; and
a means for displaying the second image and the potential, postoperative result of the osteotomy including the bone segments.