abstract：:Schlemm's canal (SC) is a ring structure responsible for maintaining fluid homeostasis in the anterior chamber of the eye by draining aqueous humor (AH) from the trabecular meshwork (TM) into the collecting channel (CC). Obstruction of the AH flow in this conventional pathway leads to an elevation of intraocular press...

journal_title：Medical engineering & physics

authors： Guo JM,Chen ZQ,Chen W,Yan XQ,Zhang H,Wang JM

更新日期：2021-02-01 00:00:00

abstract：:Small spaces make collision-free turns difficult for wheelchair users. Contrary to basic kinematic wheelchair modelling and not considered previously by engineers; when wheelchairs turn in small spaces, could lateral drift (sideways slipping) increase the risk of collisions with surrounding structures such as walls an...

journal_title：Medical engineering & physics

authors： Abraham BB

更新日期：2021-01-01 00:00:00

abstract：:This proof-of-concept study designs distal femur fracture plates from semi-rigid materials vs. traditional metals for toe-touch weight-bearing recommended to patients immediately after surgery. The two-fold goal was to (a) reduce stress shielding (SS) by increasing cortical bone stress thereby reducing the risk of bon...

journal_title：Medical engineering & physics

authors： Gee A,Bougherara H,Schemitsch EH,Zdero R

更新日期：2021-01-01 00:00:00

abstract：:The standard camera- and force plate-based set-up for motion analysis suffers from the disadvantage of being limited to laboratory settings. Since adaptive algorithms are able to learn the connection between known inputs and outputs and generalise this knowledge to unknown data, these algorithms can be used to leverag...

journal_title：Medical engineering & physics

authors： Mundt M,Koeppe A,David S,Bamer F,Potthast W,Markert B

更新日期：2020-12-01 00:00:00

abstract：:In this paper the biomechanical response of a novel dental preparation technique, referred to as the Anatomic-Functional-Geometry treatment (AFG), is investigated through a 3D nonlinear finite-element modelling approach. A comparative investigation against a standard technique employed in dental clinical practice is c...

journal_title：Medical engineering & physics

authors： Gaziano P,Lorenzi C,Bianchi D,Monaldo E,Dolci A,Vairo G

更新日期：2020-12-01 00:00:00

abstract：:Post-myocardial infarction remodeling process is known to alter the mechanical properties of the heart. Biomechanical parameters, such as tissue stiffness and contractility, would be useful for clinicians to better assess the severity of the diseased heart. However, these parameters are difficult to obtain in the curr...

journal_title：Medical engineering & physics

authors： Rumindo GK,Ohayon J,Croisille P,Clarysse P

更新日期：2020-11-01 00:00:00

abstract：:The Fit4Purpose project aims to develop upper limb prosthetic devices which are suitable for deployment in lower- and middle-income countries (LMIC's). Open-frame trans-radial socket designs are being considered, formed of several, linked components, including pads which interface directly with the skin surface. A mec...

journal_title：Medical engineering & physics

authors： Prince M,Kenney LP,Howard D

更新日期：2020-10-01 00:00:00

abstract：:Hepatic venous pressure gradient (HVPG) is a hemodynamic index widely used for evaluating the severity of portal hypertension. Theoretically, HVPG can be measured in any of the three major (i.e., right, middle and left) hepatic veins (HVs); however, it remains unclear whether HVPGs measured in different HVs are exchan...

journal_title：Medical engineering & physics

authors： Wang T,Liang F,Li L,Zhang W,Wang G,Wang J,Zhang C,Qi X

更新日期：2020-10-01 00:00:00

abstract：:Balance impairment is critical for many patient groups such as those with neural and musculoskeletal disorders and also the elderly. Accurate and objective assessment of balance performance has led to the development of several indices based on the measurement of the center of pressure. In this study, a robotic device...

journal_title：Medical engineering & physics

authors： Baselizadeh A,Behjat A,Torabi A,Behzadipour S

更新日期：2020-09-01 00:00:00

abstract：:Musculoskeletal simulations are an essential tool for studying functional implications of pathologies and of potential surgical outcomes, e.g., for the complex shoulder anatomy. Most shoulder models rely on line-segment approximation of muscles with potential limitations. Comprehensive shoulder models based on continu...

journal_title：Medical engineering & physics

authors： Péan F,Goksel O

更新日期：2020-08-01 00:00:00

abstract：:Multi-fragmented fractures of the proximal humerus are difficult to treat, especially in the case of osteoporotic bone. Intra-operative risks include cartilage damage when inserting multiple screws. A common post-operative complication is distal-varus collapse of the head. The aim of this study was to investigate if a...

journal_title：Medical engineering & physics

authors： Cristofolini L,Morellato K,Cavallo M,Guerra E

更新日期：2020-08-01 00:00:00

abstract：:Biodegradable materials have been generating increasing bit of interest in biomedical applications and associated research. The evolution of implants made up of such materials (Mg-alloys, etc.) has the potential to be a game changer in fracture surgeries. These implants are essentially made up of a plate and a number ...

journal_title：Medical engineering & physics

authors： Chandra G,Pandey A,Pandey S

更新日期：2020-07-01 00:00:00

abstract：:A decrease in mobility, related to illness, trauma or ageing, negatively affects the quality of life of the rapidly growing elderly population. A promising solution to maintain this standard of living is powered wearable mobility assist devices. Although they have achieved technological breakthroughs in the last decad...

journal_title：Medical engineering & physics

authors： Levesque L,Doumit M

更新日期：2020-06-01 00:00:00

abstract：:Extensive research is ongoing in the field of orthoses/exoskeleton design for efficient lower limbs assistance. However, despite wearable devices reported to improve lower limb mobility, their structural impacts on whole-body vertical dynamics have not been investigated. This study introduced a model identification ap...

journal_title：Medical engineering & physics

authors： Mahmood I,Martinez-Hernandez U,Dehghani-Sanij AA

更新日期：2020-06-01 00:00:00

abstract：:Pedicle screw loosening is still observed in clinical practice. Therefore, the understanding of the interaction between screw and bone is evermore subject of research. However, complex relationships between screw design and anchorage are rarely examined. For this reason, it is investigated whether screw fixation is pr...

journal_title：Medical engineering & physics

authors： Weidling M,Oefner C,Schoenfelder S,Heyde CE

更新日期：2020-05-01 00:00:00

abstract：:Observational balance tests (e.g., Berg Balance Scale) are used to evaluate fall-risk. However, they tend to be subjective, and their reliability and sensitivity can be limited. The use of in-lab equipment for objective balance evaluation has not been common in clinical practice, due to the requirement of an equipped ...

journal_title：Medical engineering & physics

authors： Noamani A,Nazarahari M,Lewicke J,Vette AH,Rouhani H

更新日期：2020-03-01 00:00:00

abstract：OBJECTIVE:To illustrate (a) whether a statistical shape model (SSM) augmented with anatomical landmark set(s) performs better fitting and provides improved clinical relevance over non-augmented SSM and (b) which anatomical landmark set provides the best augmentation strategy for predicting the glenoid region of the sca...

journal_title：Medical engineering & physics

authors： Salhi A,Burdin V,Brochard S,Mutsvangwa TE,Borotikar B

更新日期：2020-02-01 00:00:00

abstract：:Total hip arthroplasty (THA) broaching involves impacting a broach handle with a mallet, facilitating force transmission to progress broaches into the femoral medullary canal. Limited surgical access during direct anterior THAs increases off-axis forces, potentially contributing to tissue damage. The aim was to charac...

journal_title：Medical engineering & physics

authors： Preutenborbeck M,Reuter J,Ferrari E

更新日期：2020-02-01 00:00:00

abstract：:Zygomatic implant technology has been regarded as an alternative treatment to massive grafting surgery in the severe atrophic maxillary. Nowadays, the assistant method with a real-time surgical navigation has been applied to reduce the risks of zygomatic implant placement. However, the accuracy of the complex operatio...

journal_title：Medical engineering & physics

authors： Cao Z,Qin C,Fan S,Yu D,Wu Y,Qin J,Chen X

更新日期：2020-01-01 00:00:00

abstract：:Surface electromyography (sEMG) has dominated upper-limb prosthesis control for decades due to its simplicity and effectiveness [1-3]. However, the inherent variability of EMG signal hinders the flexible and accurate control of advanced multi-functional prosthesis. This study is an attempt to use ultrasonography (US) ...

journal_title：Medical engineering & physics

authors： Wang Z,Fang Y,Zhou D,Li K,Cointet C,Liu H

更新日期：2020-01-01 00:00:00

abstract：OBJECTIVE:Mathematical modeling of cerebral hemodynamics by descriptive equations can estimate the underlying pulsatile component of cerebral arterial blood volume (CaBV). This way, clinical monitoring of changes in cerebral compartmental compliances becomes possible. Our aim is to validate the most adequate method of ...

journal_title：Medical engineering & physics

authors： Calviello LA,Zeiler FA,Donnelly J,Uryga A,de Riva N,Smielewski P,Czosnyka M

更新日期：2019-12-01 00:00:00

abstract：:Heart rate variability (HRV) is a non-invasive alternative to analyze the role of the autonomic nervous system (ANS) on heart functioning. Many tools have been developed to analyze collected cardiac data. Among them, the Central Tendency Measure (CTM) is a quantitative method for variability analysis of RR intervals. ...

journal_title：Medical engineering & physics

authors： Belfort RAU,Treccossi SPC,Silva JLF,Pillat VG,Freitas CBN,Dos Santos L

更新日期：2019-12-01 00:00:00

abstract：:Electrochemotherapy (ECT) exploits the phenomenon of electroporation, which is the increase of cell permeability through the application of an electrical field. This technique is applied in medical centers in Europe and in veterinary clinics in Europe, Brazil, and Argentina. ECT treatment requires a minimum electric f...

journal_title：Medical engineering & physics

authors： Pintarelli GB,Berkenbrock JA,Rassele A,Rangel MMM,Suzuki DOH

更新日期：2019-12-01 00:00:00

abstract：:Neointimal hyperplasia (NIH) is a major obstacle to graft patency in the peripheral arteries. A complex interaction of biomechanical factors contribute to NIH development and progression, and although haemodynamic markers such as wall shear stress have been linked to the disease, these have so far been insufficient to...

journal_title：Medical engineering & physics

authors： Donadoni F,Bonfanti M,Pichardo-Almarza C,Homer-Vanniasinkam S,Dardik A,Díaz-Zuccarini V

更新日期：2019-12-01 00:00:00

abstract：:Inserting the distal locking screws is a challenging step of the intramedullary nailing procedures due to the nail deformation that makes the proximally mounted targeting systems ineffective. A pre-planning methodology is proposed, based on an analytical model of the nail-bone construct, to predict the nail deformatio...

journal_title：Medical engineering & physics

authors： Mortazavi J,Farahmand F,Behzadipour S,Yeganeh A

更新日期：2019-12-01 00:00:00

abstract：:Two optimization-driven approaches were employed to develop kinematics-driven (KD) and stability-based kinematics-driven (SKD) musculoskeletal models of an adult thoracolumbar to ascertain the significance of spine stability in holding the upright-standing posture after muscular disuse atrophy. Both models were used t...

journal_title：Medical engineering & physics

authors： Kamal Z,Rouhi G

更新日期：2019-11-01 00:00:00

abstract：:Understanding hip osteoarthritis requires new investigational tools for quantitative studies of biophysical and biomechanical properties as well as for determination of structure. Three new protocols to study pathological changes in cartilage and to measure cartilage thickness in intact human hips are described using ...

journal_title：Medical engineering & physics

authors： Zhang H,Belev G,Stewart RC,Grinstaff MW,Snyder BD,Wilson DR

更新日期：2019-11-01 00:00:00

abstract：:The measurement of wrist active range of motion (ROM) is essential for determining the progress of hand functional recovery, which can provide insight into quantitative improvements and enable effective monitoring during hand rehabilitation. Compared with manual methods, which depend on the experience of the therapist...

journal_title：Medical engineering & physics

authors： Zhang M,McDaid A,Zhang S,Zhang Y,Xie SQ

更新日期：2019-09-01 00:00:00

abstract：:Human-administered clinical scales are commonly used for quantifying motor performance and determining the course of therapy in post-stroke individuals. Computerized methods aim to improve consistency, resolution and duration of patients' evaluation. The objective of this study was to test the validity of computerized...

journal_title：Medical engineering & physics

authors： Isaković MS,Savić AM,Konstantinović LM,Popović MB

更新日期：2019-09-01 00:00:00

abstract：:Budd-Chiari syndrome (BCS) is a rare liver disease characterised by the obstruction of draining hepatic veins, and subsequent reduced blood return to the heart. Although many clinical BCS studies have been reported, few studies have quantified the associated changes that occur in the entire hepatic circulation. In thi...

journal_title：Medical engineering & physics

authors： Ho H,Qiu C

更新日期：2019-07-01 00:00:00

abstract：:Subsensory electrical noise stimulation has been shown to improve sensory perception in humans. However, the majority of this work has been limited to the laboratory due to unavailability of portable body-worn stimulators. In this paper, we present a robust and reliable stimulator, engineered for wearable applications...

journal_title：Medical engineering & physics

authors： Breen PP,Serrador JM,Gargiulo GD

更新日期：2019-06-01 00:00:00

abstract：:A major challenge during minimally invasive surgery is transfer of high forces through small, flexible instruments, such as needles and catheters, because of their low buckling resistance. In this study, we determined the feasibility of using a Newton's Cradle-inspired catheter (patented) to transfer high-force impuls...

journal_title：Medical engineering & physics

authors： Sakes A,Grandia L,Lether R,Steenstra L,Valentijn MC,Breedveld P,Spronck JW

更新日期：2019-05-01 00:00:00

abstract：:Accurate models of bone shapes are essential for orthopaedic reconstructions. The commonly used methods of using the contralateral side requires an intact bone and anatomical symmetry. Recent studies have shown that statistical shape and appearance models (SSAMs) as an alternative can predict accurate geometric models...

journal_title：Medical engineering & physics

authors： Nolte D,Bull AMJ

更新日期：2019-05-01 00:00:00

abstract：:The natural passive flexion axis of human cadaveric knees was determined using a technique that minimized coupled tibiofemoral motions (translations and rotations), and the kinematic effects of mal-positioned flexion axes were determined. The femur was clamped in an apparatus that allowed unconstrained tibial motions ...

journal_title：Medical engineering & physics

authors： Markolf KL,Yang PR,Joshi NB,Petrigliano FA,McAllister DR

更新日期：2019-05-01 00:00:00

abstract：:Image-based finite element modelling has been commonly used to determine the biomechanical behaviours of human femora, particularly for the diagnosis of femoral head necrosis. One of the fundamental aspects of biomechanical modelling is the relationship between bone density, which is obtained from images, and elastic ...

journal_title：Medical engineering & physics

authors： Yue Y,Yang H,Li Y,Zhong H,Tang Q,Wang J,Wang R,He H,Chen W,Chen D

更新日期：2019-04-01 00:00:00

abstract：:Dental implant stability influences the decision on the determination of the duration between implant insertion and loading. This work investigates the resonant frequency analysis by means of a numerical model. The investigation is done numerically through the determination of the eigenfrequencies and performing stead...

journal_title：Medical engineering & physics

authors： Rittel D,Dorogoy A,Haïat G,Shemtov-Yona K

更新日期：2019-04-01 00:00:00

abstract：:In this manuscript we describe the development and testing of a bipolar electrode for the simultaneous acquisition of ultrasound (US) images and surface electromyograms (EMGs) from the same muscle region. The developed electrode (bEMG-US) consists of two circular sensing regions (20 mm diameter) with fixed inter-elect...

journal_title：Medical engineering & physics

authors： Botter A,Beltrandi M,Cerone GL,Gazzoni M,Vieira TMM

更新日期：2019-02-01 00:00:00

abstract：:Ankle sprains are the most common sports injury. Gaining a better understanding of ankle mechanics will help improve current treatments, enabling a better quality of life for patients following surgery. In this paper, the development of a robotic system for ankle joint testing is presented. It is composed of an indust...

journal_title：Medical engineering & physics

authors： El Daou H,Calder JD,Stephen JM

更新日期：2018-12-01 00:00:00

abstract：:Understanding morphological features that characterize normal hip joint is critical and necessary for a more comprehensive definition of pathological presentations, such as femoroacetabular impingement and hip dysplasia. Based on anatomical observations that articular surfaces of synovial joints are better represented...

journal_title：Medical engineering & physics

authors： Lopes DS,Pires SM,Mascarenhas VV,Silva MT,Jorge JA

更新日期：2018-09-01 00:00:00

abstract：:This study presents a novel method for the detection and classification of a wide range of physical activities, including standing, sitting, lying, level walking, and walking upstairs and downstairs using a single chest-mounted accelerometer. The trunk inclination angle and variation of the gravitational component of ...

journal_title：Medical engineering & physics

authors： Nazarahari M,Rouhani H

更新日期：2018-07-01 00:00:00