US 11,107,586 C1 (261st)
System and method for analyzing acetabular cup position
Charles DeCook, Gainesville, GA (US); and Andrew J. Cooper, Belleair Bluffs, FL (US)
Filed by Cuptimize, Inc., Belleair Bluffs, FL (US)
Assigned to DEPUY SYNTHES PRODUCTS, INC., Raynham, MA (US)
Supplemental Examination Request No. 96/050,073, Dec. 24, 2024.
Reexamination Certificate for Patent 11,107,586, issued Aug. 31, 2021, Appl. No. 17/144,611, Jan. 8, 2021.
Claims priority of provisional application 63/043,166, filed on Jun. 24, 2020.
Claims priority of provisional application 63/069,176, filed on Aug. 24, 2020.
Claims priority of provisional application 63/124,272, filed on Dec. 11, 2020.
Ex Parte Reexamination Certificate from Reexamination Ordered under 35 U.S.C. 257 issued on Oct. 3, 2025.
Int. Cl. G06K 9/00 (2022.01); G06T 7/00 (2017.01); G06T 7/38 (2017.01); G06T 7/73 (2017.01); G16H 30/40 (2018.01); G16H 50/30 (2018.01)
CPC G06T 7/73 (2017.01) [G06T 7/0012 (2013.01); G16H 30/40 (2018.01); G16H 50/30 (2018.01); G06T 2207/30008 (2013.01); G06T 2207/30052 (2013.01)]
OG exemplary drawing
AS A RESULT OF REEXAMINATION, IT HAS BEEN DETERMINED THAT:
Claims 1, 2, 15 and 16 are cancelled.
Claims 3, 4, 7-14 and 17-20 are determined to be patentable as amended.
Claims 5 and 6, dependent on an amended claim, are determined to be patentable.
3. The method of claim 2, further including:
acquiring a predetermined supine anteversion value and a predetermined supine inclination value;
calculating a seated anteversion of the acetabular cup component based on the predetermined supine anteversion value [ , ] and the pelvic tilt angle in the second anatomical position, and the pelvic tilt angle in the third anatomical position;
calculating a standing anteversion of the acetabular cup component based on the predetermined supine anteversion value, the pelvic tilt angle in the second anatomical position, and the pelvic tilt angle in the first anatomical position;
calculating a seated inclination of the acetabular cup component based on the predetermined supine inclination value, the pelvic tilt angle in the second anatomical position, and the pelvic tilt angle in the third anatomical position;
calculating a standing inclination of the acetabular cup component based on the predetermined supine inclination value, the pelvic tilt angle in the second anatomical position, and the pelvic tilt angle in the first anatomical position; and
displaying to a user the calculated standing inclination of the acetabular cup component, the calculated standing anteversion of the acetabular cup component, the calculated seated inclination of the acetabular cup component, and the calculated seated anteversion of the acetabular cup component.
4. The method of claim 3, wherein:
calculating the seated anteversion of the acetabular cup component for the seated position is based on:
AnteversionSeated=AnteversionSupine+(SPTSupine−SPTSeated)*AntCo
wherein AnteversionSupine is the predetermined supine anteversion value, SPTSupine is the supine pelvic tilt angle, SPTSeated is the seated pelvic tilt angle, and AntCo is an anteversion coefficient;
calculating the standing anteversion of the acetabular cup component for the standing position is based on:
AnteversionStanding=AnteversionSupine+(SPTSupine−SPTStanding)*AntCo
wherein AnteversionSupine is the predetermined supine anteversion value, SPTSupine is the supine pelvic tilt angle, SPTStanding is the standing pelvic tilt angle, and AntCo is the anteversion coefficient;
calculating the seated inclination of the acetabular cup component for the seated position is based on:
InclinationSeated=InclinationSupine+(SPTSupine−SPTSeated)*IncCo
wherein InclinationSupine is the predetermined supine inclination value, SPTSupine is the supine pelvic tilt angle, SPT Standing [ Seated ] is the standing [ seated ] pelvic tilt angle, and IncCo is an inclination coefficient; [ and]
calculating the standing inclination of the acetabular cup component for the standing position is based on:
InclinationStanding=InclinationSupine+(SPTSupine−SPTStanding)*IncCo
wherein InclinationSupine is the predetermined supine inclination value, SPTSupine is the supine pelvic tilt angle, SPTStanding is the standing pelvic tilt angle, and IncCo is the inclination coefficient.
7. The method of claim 2 [ 3] , wherein the predetermined supine anteversion value is initially set to a value between 20 and 30 degrees.
8. The method of claim 2 [ 3] , wherein the predetermined supine anteversion value is adjustable by a user.
9. The method of claim 2 [ 3] , further including qualitatively conveying if the calculated standing inclination of the acetabular cup component, the calculated standing anteversion of the acetabular cup component, the calculated seated inclination of the acetabular cup component, and the calculated seated anteversion of the acetabular cup component are each in a low risk, medium risk, or high-risk zone for hip dislocation.
10. The method of claim 1 [ 3] , wherein determining the sacral femoral pubic angle from any anteroposterior image of the patient's pelvic region includes:
digitally registering a vertebral anatomical landmark on the anteroposterior image;
digitally registering the [ a ] center point of the [ a ] femoral head on the anteroposterior image;
digitally registering a position of a superior point on a pubic symphysis on the anteroposterior image;
digitally registering a femoral pubic line extending from the center point of the femoral head to the position of the superior point on the pubic symphysis on the anteroposterior image; and
calculating the sacral femoral pubic angle, which corresponds to an angle between the femoral pubic line and a line extending from the center point of the femoral head to the vertebral anatomical landmark.
11. The method of claim 1 [ 3] , wherein determining the spinal pelvic tilt angle from any lateral image includes directly determining the spinal pelvic tilt angle by:
digitally registering a vertebral anatomical landmark on the lateral image, wherein the vertebral anatomical landmark is a midpoint on a line corresponding to a patient's sacral endplate;
digitally registering a center point of a femoral head on the lateral image;
digitally registering a vertical axis on the lateral image that is vertically aligned with the center point of the femoral head; and
calculating the spinal pelvic tilt angle, which corresponds to an angle between the vertical axis and a line extending from the center point of the femoral head to the vertebral anatomical landmark.
12. The method of claim 1 [ 3] , wherein determining the spinal pelvic tilt angle from any lateral image includes indirectly determining the spinal pelvic tilt angle by:
digitally registering a vertebral anatomical landmark on the lateral image, wherein the vertebral anatomical landmark is a line corresponding to the [ a ] patient's sacral endplate;
digitally registering a horizontal axis on the lateral image that is horizontally aligned with a superior point on the line corresponding to the patient's sacral endplate;
determining a sacral slope angle, which corresponds to an angle between the horizontal axis and the vertebral anatomical landmark; and
calculating the spinal pelvic tilt angle by subtracting the sacral slope angle from a pelvic incidence of the patient.
13. The method of claim 1 [ 3] , further including:
acquiring an intraoperative image depicting an implanted acetabular cup component within a patient's body;
determining an intraoperative inclination and an intraoperative anteversion of the implanted acetabular cup component; and
calculating an intraoperative standing inclination of the acetabular cup component an intraoperative standing anteversion of the acetabular cup component, an intraoperative seated inclination of the acetabular cup component, and an intraoperative seated anteversion of the acetabular cup component.
14. The method of claim 1 [ 3] , wherein:
the image of the patient's pelvic region when the patient is in the second anatomical position is an anteroposterior image; and
determining the spinal pelvic tilt angle of the patient's pelvis in the second anatomical position includes subtracting a sacral femoral pubic angle from the anteroposterior image of the patient's pelvic region in the second anatomical position from the patient specific sacral femoral pubic constant.
17. The system of claim 16, further including:
acquiring a predetermined supine anteversion value and a predetermined supine inclination value;
calculating a seated anteversion of the acetabular cup component based on the predetermined supine anteversion value [ , ] and the pelvic tilt angle in the second anatomical position, and the pelvic tilt angle in the third anatomical position;
calculating a standing anteversion of the acetabular cup component based on the predetermined supine anteversion value, the pelvic tilt angle in the second anatomical position, and the pelvic tilt angle in the first anatomical position;
calculating a seated inclination of the acetabular cup component based on the predetermined supine inclination value, the pelvic tilt angle in the second anatomical position, and the pelvic tilt angle in the third anatomical position;
calculating a standing inclination of the acetabular cup component based on the predetermined supine inclination value, the pelvic tilt angle in the second anatomical position, and the pelvic tilt angle in the first anatomical position; and
displaying to a user the calculated standing inclination of the acetabular cup component, the calculated standing anteversion of the acetabular cup component, the calculated seated inclination of the acetabular cup component, and the calculated seated anteversion of the acetabular cup component.
18. The system of claim 15 [ 17] , wherein determining the sacral femoral pubic angle from any anteroposterior image of the patient's pelvic region includes:
digitally registering a vertebral anatomical landmark on the anteroposterior image;
digitally registering the [ a ] center point of the [ a ] femoral head on the anteroposterior image;
digitally registering a position of a superior point on a pubic symphysis on the anteroposterior image;
digitally registering a femoral pubic line extending from the center point of the femoral head to the position of the superior point on the pubic symphysis on the anteroposterior image; and
calculating the sacral femoral pubic angle, which corresponds to an angle between the femoral pubic line and a line extending from the center point of the femoral head to the vertebral anatomical landmark.
19. The system of claim 15 [ 17] , wherein determining the spinal pelvic tilt angle from any lateral image includes directly determining the spinal pelvic tilt angle by:
digitally registering a vertebral anatomical landmark on the lateral image, wherein the vertebral anatomical landmark is a midpoint on a line corresponding to a patient's sacral endplate;
digitally registering a center point of a femoral head on the lateral image;
digitally registering a vertical axis on the lateral image that is vertically aligned with the center point of the femoral head; and
calculating the spinal pelvic tilt angle, which corresponds to an angle between the vertical axis and a line extending from the center point of the femoral head to the vertebral anatomical landmark.
20. The system of claim 15 [ 17] , wherein determining the spinal pelvic tilt angle from any lateral image includes indirectly determining the spinal pelvic tilt angle by:
digitally registering a vertebral anatomical landmark on the lateral image, wherein the vertebral anatomical landmark is a line corresponding to the [ a ] patient's sacral endplate;
digitally registering a horizontal axis on the lateral image that is horizontally aligned with a superior point on the line corresponding to the patient's sacral endplate;
determining a sacral slope angle, which corresponds to an angle between the horizontal axis and the vertebral anatomical landmark; and
calculating the spinal pelvic tilt angle by subtracting the sacral slope angle from a pelvic incidence of the patient.