Detection of Total Knee Prostheses at Airport Security Checkpoints

2012 ◽  
Vol 27 (6) ◽  
pp. 1228-1233 ◽  
Author(s):  
Qais Naziri ◽  
Aaron J. Johnson ◽  
Hasan A. Hooper ◽  
Said H. Sana ◽  
Michael A. Mont
Keyword(s):  
Airport Security ◽  
Knee Prostheses ◽  
Total Knee ◽  
Security Checkpoints

Detection of Total Knee Arthroplasties at Airport Security Checkpoints: How Do Updated Security Measures Affect Patients?

2016 ◽  
Vol 30 (06) ◽  
pp. 532-534
Author(s):  
Kimona Issa ◽  
Todd Pierce ◽  
Chukwuweieke Gwam ◽  
Peter Goljan ◽  
Anthony Festa ◽  
...  
Keyword(s):  
Automatic Target Recognition ◽  
The Body ◽  
Airport Security ◽  
Security Measures ◽  
Metal Detector ◽  
Historical Cohort ◽  
Total Knee ◽  
Metal Detectors ◽  
Security Checkpoints ◽  
Recognition Software

AbstractAirport security measures continue to be updated with the incorporation of the new body scanners and automatic target recognition software. The purpose of this study was analyze the incidence of: (1) triggering the security alarm; (2) extra security searches; (3) perceived inconvenience; and (4) presence of other surgical hardware in those who underwent total knee arthroplasty (TKA) and passed through airport security. A questionnaire was given to 125 consecutive patients with a TKA. Those who passed through airport security after January 2014 were considered for inclusion. A questionnaire was administered that addressed the number of encounters with airport security, metal detector activation, additional screening procedures, and perceived inconvenience. Out of the 125 patients, 53 met inclusion criteria. Out of the 53 patients, 20 (38%) reported that their prosthesis triggered a metal detector. Out of the 20 patients, 8 (40%) who reported triggering of metal detectors also reported the presence of surgical hardware elsewhere in the body. Eighteen of the 53 patients (34%) believed having a TKA was inconvenient for airplane travel. Compared with the historical cohort, alarms were triggered in 70 of 97 patients (p = 0.0001) and 50 of 97 reported inconvenience when traveling (n = 50 of 97 patients; p = 0.04). The incidences of those who underwent TKA triggering alarms and perceiving inconvenience when passing through airport security have decreased from previously published studies. This is most likely due to the recent updates and modifications to screening. As these security measures are modified and implant designs continue to evolve, this is an area of investigation that should continue.

Accurate internal–external rotation measurement in total knee prostheses: A magnetic solution

2012 ◽  
Vol 45 (11) ◽  
pp. 2023-2027 ◽  
Author(s):  
Arash Arami ◽  
Jenifer Miehlbradt ◽  
Kamiar Aminian
Keyword(s):  
External Rotation ◽  
Knee Prostheses ◽  
Rotation Measurement ◽  
Total Knee

The Relationship between Pre- and Postoperative Range of Motion Utilizing Three Cruciate-Retaining Total Knee Prostheses

2009 ◽  
Vol 22 (5) ◽  
pp. 368-374 ◽  
Author(s):  
Daniel M. Stormont ◽  
Kim J. Chillag ◽  
James W. Scott ◽  
Mark A. Klaassen ◽  
William S. Pietrzak
Keyword(s):  
Range Of Motion ◽  
Knee Prostheses ◽  
Cruciate Retaining ◽  
Total Knee ◽  
The Relationship

scholarly journals Lubrication Property of Total Knee Prostheses with PVA Hydrogel Layer as Artificial Cartilage.

1994 ◽  
Vol 60 (580) ◽  
pp. 4295-4302
Author(s):  
Yoshinori Sawae ◽  
Teruo Murakami ◽  
Hidehiko Higaki ◽  
Sigeaki Moriyama
Keyword(s):  
Knee Prostheses ◽  
Artificial Cartilage ◽  
Total Knee ◽  
Pva Hydrogel

scholarly journals In VivoHealthy Knee Kinematics during Dynamic Full Flexion

2013 ◽  
Vol 2013 ◽  
pp. 1-4 ◽  
Author(s):  
Satoshi Hamai ◽  
Taka-aki Moro-oka ◽  
Nicholas J. Dunbar ◽  
Hiromasa Miura ◽  
Yukihide Iwamoto ◽  
...  
Keyword(s):  
Knee Flexion ◽  
Knee Kinematics ◽  
The Other ◽  
Medial Compartment ◽  
Knee Flexion Angle ◽  
Knee Prostheses ◽  
Healthy Knee ◽  
Total Knee ◽  
Full Flexion ◽  
2D Model

Healthy knee kinematics during dynamic full flexion were evaluated using 3D-to-2D model registration techniques. Continuous knee motions were recorded during full flexion in a lunge from 85° to 150°. Medial and lateral tibiofemoral contacts and femoral internal-external and varus-valgus rotations were analyzed as a function of knee flexion angle. The medial tibiofemoral contact translated anteroposteriorly, but remained on the center of the medial compartment. On the other hand, the lateral tibiofemoral contact translated posteriorly to the edge of the tibial surface at 150° flexion. The femur exhibited external and valgus rotation relative to the tibia over the entire activity and reached 30° external and 5° valgus rotations at 150° flexion. Kinematics’ data during dynamic full flexion may provide important insight as to the designing of high-flexion total knee prostheses.

CT metal artefact reduction of total knee prostheses using angled gantry multiplanar reformation

The Knee ◽  
2010 ◽  
Vol 17 (4) ◽  
pp. 279-282 ◽  
Author(s):  
Mark Lewis ◽  
Andoni P. Toms ◽  
Karen Reid ◽  
William Bugg
Keyword(s):  
Knee Prostheses ◽  
Multiplanar Reformation ◽  
Metal Artefact Reduction ◽  
Metal Artefact ◽  
Total Knee ◽  
Artefact Reduction

scholarly journals A case of an atraumatic implant failure after primary rotating-hinge total knee arthroplasty

2021 ◽  
Vol 87 (3) ◽  
pp. 449-451
Author(s):  
Lucas Petitqueux ◽  
Karen Verhulst ◽  
Jan Dauwe ◽  
Dirk Dauwe
Keyword(s):  
Total Knee Arthroplasty ◽  
Knee Arthroplasty ◽  
Medical Literature ◽  
Femoral Stem ◽  
Revision Total Knee Arthroplasty ◽  
Knee Prostheses ◽  
Rotating Hinge ◽  
Total Knee ◽  
Rotating Hinge Knee ◽  
Implant Breakage

Rotating-hinge knee implants are fully constrained knee prostheses commonly used for revision total knee arthroplasty. Nevertheless, rotating-hinge devices have been increasingly utilized in primary setting. Complications are inevitable in orthopedic surgery, however, implant breakage after RHK arthroplasty has been rarely described in medical literature. We present a rare case of 70-year-old Caucasian, male patient who suffered an atraumatic femoral stem breakage in a primary NexGen ® Rotating Hinge Knee (Zimmer-Biomet ® , Warsaw, IN, USA).

Surface roughness of the proximal and distal bearing surface of mobile bearing total knee prostheses

2002 ◽  
Vol 17 (6) ◽  
pp. 713-717 ◽  
Author(s):  
P. Chapman-Sheath ◽  
S. Cain ◽  
W.J.M. Bruce ◽  
W.K. Chung ◽  
W.R. Walsh
Keyword(s):  
Surface Roughness ◽  
Mobile Bearing ◽  
Knee Prostheses ◽  
Bearing Surface ◽  
Total Knee
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