Intraoperative knee kinematics measured by computer‐assisted navigation and intraoperative ligament balance have the potential to predict postoperative knee kinematics

2021 ◽  
Author(s):  
Kenichi Kono ◽  
Erik W. Dorthe ◽  
Tetsuya Tomita ◽  
Sakae Tanaka ◽  
Laurent Angibaud ◽  
...  
Keyword(s):  
Knee Kinematics ◽  
Computer Assisted ◽  
Assisted Navigation ◽  
Ligament Balance ◽  
Postoperative Knee

scholarly journals Registration process for real-time evaluation in biomedical application

2016 ◽  
Vol 7 (1) ◽  
pp. 8
Author(s):  
T. Vancouillie ◽  
Jan Victor ◽  
Patrick De Baets ◽  
Matthias Verstraete ◽  
Stijn Herregodts
Keyword(s):  
Evaluation Method ◽  
Biomedical Application ◽  
Knee Kinematics ◽  
Testing Procedure ◽  
Computer Assisted ◽  
Navigation Surgery ◽  
Theoretical Derivation ◽  
Prosthetic Devices ◽  
Assisted Navigation ◽  
Registration Process

The study of knee kinematics is used to analyse joint disorders, design of prosthetic devices, impact of surgical treatments and in general the study of the locomotion. In order to allow researchers to immediately visualise and interpret the influence of certain changes during tests and between different test setups, a testing procedure that allows on-line evaluation of knee kinematics, based on the principles of computer assisted navigation surgery, is established. A major challenge for this evaluation method is to identify the position of the bone relative to the attached markers prior to testing. In order to deal with this challenge a registration process is introduced. The theoretical derivation and optimisation of this registration process is derived and afterwards applied to a practical testing environment.

Indication and Application of Computer-Assisted Navigation in the HURS Craniofacial Unit: 2 Years’ Experience

2014 ◽  
Vol 75 (S 02) ◽  
Author(s):  
S. Heredero ◽  
J. Solivera ◽  
A. Candau ◽  
A. Dean ◽  
F. Alamillos ◽  
...  
Keyword(s):  
Computer Assisted ◽  
Assisted Navigation

Cervical 1-2 Posterior Instrumented Fusion Utilizing Computer-Assisted Navigation With Harvest of Rib Strut Autograft: 2-Dimensional Operative Video

2021 ◽  
Author(s):  
Timothy J Yee ◽  
Michael J Strong ◽  
Matthew S Willsey ◽  
Mark E Oppenlander
Keyword(s):  
Surface Area ◽  
Odontoid Process ◽  
Odontoid Fracture ◽  
Patient Specific ◽  
Computer Assisted ◽  
Type Ii ◽  
Instrumented Fusion ◽  
Assisted Navigation ◽  
Patient Consent ◽  
Posterior Instrumented Fusion

Abstract Nonunion of a type II odontoid fracture after the placement of an anterior odontoid screw can occur despite careful patient selection. Countervailing factors to successful fusion include the vascular watershed zone between the odontoid process and body of C2 as well as the relatively low surface area available for fusion. Patient-specific factors include osteoporosis, advanced age, and poor fracture fragment apposition. Cervical 1-2 posterior instrumented fusion is indicated for symptomatic nonunion. The technique leverages the larger posterolateral surface area for fusion and does not rely on bony growth in a watershed zone. Although loss of up to half of cervical rotation is expected after C1-2 arthrodesis, this may be better tolerated in the elderly, who may have lower physical demands than younger patients. In this video, we discuss the case of a 75-yr-old woman presenting with intractable mechanical cervicalgia 7 mo after sustaining a type II odontoid fracture and undergoing anterior odontoid screw placement at an outside institution. Cervical radiography and computed tomography exhibited haloing around the screw and nonunion across the fracture. We demonstrate C1-2 posterior instrumented fusion with Goel-Harms technique (C1 lateral mass and C2 pedicle screws), utilizing computer-assisted navigation, and modified Sonntag technique with rib strut autograft.  Posterior C1-2-instrumented fusion with rib strut autograft is an essential technique in the spine surgeon's armamentarium for the management of C1-2 instability, which can be a sequela of type II dens fracture. Detailed video demonstration has not been published to date.  Appropriate patient consent was obtained.

Point-to-Point Computer-Assisted Navigation for Precise Transfer of Planned Zygoma Osteotomies from the Stereolithographic Model into Reality

2006 ◽  
Vol 64 (3) ◽  
pp. 550-559 ◽  
Author(s):  
Clemens Klug ◽  
Kurt Schicho ◽  
Oliver Ploder ◽  
Kaan Yerit ◽  
Franz Watzinger ◽  
...  
Keyword(s):  
Computer Assisted ◽  
Assisted Navigation ◽  
Stereolithographic Model ◽  
Point To Point

scholarly journals Computer Assisted Navigation in Knee Arthroplasty

2011 ◽  
Vol 3 (4) ◽  
pp. 259 ◽  
Author(s):  
Dae Kyung Bae ◽  
Sang Jun Song
Keyword(s):  
Knee Arthroplasty ◽  
Computer Assisted ◽  
Assisted Navigation

scholarly journals Periacetabular Osteotomy Performed with Imageless Computer-Assisted Navigation: Case Report

2019 ◽  
Vol 2 (1-3) ◽  
pp. 33-39
Author(s):  
Atul F. Kamath ◽  
Rachel R. Mays
Keyword(s):  
Surgical Navigation ◽  
Periacetabular Osteotomy ◽  
Computer Navigation ◽  
Developmental Dysplasia ◽  
Computer Assisted ◽  
Developmental Hip Dysplasia ◽  
Assisted Navigation ◽  
First Case ◽  
Acetabular Fragment ◽  
Pao Surgery

Periacetabular osteotomy (PAO) is an effective surgical treatment for developmental hip dysplasia. The goal of PAO is to reorient the acetabulum to increase acetabular coverage of the femoral head, as well as to reduce contact pressures within the hip joint. The primary challenge of PAO is to accurately achieve the desired acetabular fragment orientation, while maximizing containment and congruency. As key parts of the procedure are performed out of direct field of view of the surgeon, combined with this challenge of precise spatial orientation, there is a potential role for technologies such as surgical navigation. Adjunctive technology may provide information on the orientation of repositioned acetabulum and may offer a useful assist in performing PAO. Here, we present a case of developmental dysplasia of the hip treated via PAO with the addition of an imageless computer navigation device. Surgery was successful, and, at 3 months after procedure, the patient was progressing well. To our best knowledge, this is the first case using imageless computer-assisted navigation in PAO surgery.

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