Results 81 to 90 of about 12,249,170 (324)

Design and Validation of a Semi-Active Variable Stiffness Foot Prosthesis

IEEE transactions on neural systems and rehabilitation engineering, 2018
This paper presents the design and validation of a novel lower limb prosthesis called the variable stiffness foot (VSF), designed to vary its forefoot stiffness in response to user activity.
Evan M. Glanzer, P. Adamczyk
semanticscholar   +1 more source

A Novel Core–Shell Hydrogel 3D Model for Studying Macrophage Mechanosensing and Foreign Body Giant Cell Formation

Advanced Healthcare Materials, EarlyView.
The foreign body response (FBR) to biomaterials is primarily driven by macrophages, which often fuse into destructive foreign body giant cells (FBGCs). To address the limited understanding of FBGC formation, a novel microscale core–shell hydrogel 3D model is developed using heterogeneous alginate‐collagen microcapsules with varying stiffness, offering ...
Manisha Mahanty, Wenquan Ou, Xiaoping Zhu, Jonathan S Bromberg, Xiaoming He, Shaik O. Rahaman   +5 more
wiley   +1 more source

Modular Femoral Stem for Hartofilakidis Type C Hip Dysplasia: Is It Necessary for 1‐mm Increment of Distal Stem Diameter?

Orthopaedic Surgery
Background S‐ROM prosthesis, one well‐used femoral prosthesis in the patients with developmental dysplasia of the hip (DDH), has a skipping size of the distal stem diameter.
Jiafeng Yi, Hongbin Xie, Yubo Liu, Yijian Huang, Wei Chai, Xiangpeng Kong   +5 more
doaj   +1 more source

The Design, Control, and Testing of an Integrated Electrohydrostatic Powered Ankle Prosthesis

IEEE/ASME transactions on mechatronics, 2019
This paper presents a prototype powered ankle prosthesis that can operate passively in most of the gait cycle and provide powered assistance for toe push-off and subsequent foot dorsiflexion.
Tian Yu, A. Plummer, Pejman Iravani, Jawaad Bhatti, S. Zahedi, D. Moser   +5 more
semanticscholar   +1 more source

Programmable Compliance in Small‐Diameter Vascular Grafts by Design of Melt‐Electrowritten Scaffold Architectures for In Situ Tissue Engineering

Advanced Healthcare Materials, EarlyView.
Small‐diameter vascular grafts with compliance tunable by design are fabricated via melt electrowriting. By controlling the winding angle of intertwined helical fibers, grafts with compliances matching those of human vessels, from veins to arteries, are realized. This holds the potential of avoiding a compliance mismatch, which has been identified as a
Kilian Maria Arthur Mueller, Christina Ahrens, Linda Grefen, Salma Mansi, Dario Arcuti, Elena De‐Juan‐Pardo, Felix Kur, Christian Hagl, Petra Mela   +8 more
wiley   +1 more source

Multiscale Hybrid Surface Topographies Orchestrate Immune Regulation, Antibacterial Defense, and Tissue Regeneration

Advanced Healthcare Materials, EarlyView.
Hybrid wrinkled topographies coordinate immune, tissue, and bacterial interactions. The surfaces promote osteointegration, tune macrophage polarization, and inhibit biofilm formation, highlighting a multifunctional strategy for next‐generation implant design.
Mohammad Asadi Tokmedash, Jacob Robins, J. Scott VanEpps, Minji Kim, Jouha Min   +4 more
wiley   +1 more source

Design, Control, and Preliminary Assessment of a Multifunctional Semipowered Ankle Prosthesis

IEEE/ASME transactions on mechatronics, 2019
This paper describes the design, control, and preliminary assessment of a novel microprocessor-controlled multifunction ankle prosthesis that provides three microprocessor-controlled behaviors—a selectable stiffness equilibrium angle, lockable conformal ...
H. Bartlett, B. Lawson, M. Goldfarb
semanticscholar   +1 more source

3D Printing Strategies for Bioengineering Human Cornea

Advanced Healthcare Materials, EarlyView.
This review highlights recent progress in 3D bioprinting strategies for engineering human corneas. Key aspects include the replication of corneal transparency, curvature, and biomechanical properties, alongside innovations in recent advancements in 3D printing methods, which benefit in overcoming current challenges.
Yunong Yuan, Khoon S. Lim, Gerard Sutton, Gordon G. Wallace, Jingjing You   +4 more
wiley   +1 more source

Uncemented three-dimensional-printed prosthetic replacement for giant cell tumor of distal radius: a new design of prosthesis and surgical techniques

Cancer Management and Research, 2018
Introduction Currently, it is challenging to treat giant cell tumor (GCT) of distal radius. For Campanacci grade III or recurrent GCTs, en bloc resection has been accepted as a better treatment option.
Minxun Lu, L. Min, Cong Xiao, Yongjiang Li, Yi Luo, Yong Zhou, Wenli Zhang, C. Tu   +7 more
semanticscholar   +1 more source

AI‐Assisted Design and Evaluation of SLM‐Ti64 Implants for Enhanced Bone Regeneration

Advanced Healthcare Materials, EarlyView.
AI‐driven simulations of biological healing, combining biomechanical modeling and machine learning, enable personalized orthopedic treatments. By decoding healing patterns influenced by implants and patient‐specific factors, this approach advances fracture repair understanding, optimizes implant design, and supports precision medicine and sustainable ...
Muhammad Usama Zaheer, Muhammad Hassan Razzaq, Mehmet Fatih Aycan, Yogendra Kumar Mishra   +3 more
wiley   +1 more source