Surface, corrosion and biocompatibility aspects of Nitinol as an implant material.

abstract：:The goal of the study was to determine material constants of cancellous tissue in a compression test taking into account stress-strain characteristics. The nineteen test samples were resected from a femoral head of a patient qualified for a hip replacement surgery. During the compression tests, load-displacement curve...

journal_title：Bio-medical materials and engineering

authors： Kokot G,Makuch A,Skalski K,Bańczerowski J

更新日期：2018-01-01 00:00:00

abstract：:To address the lack of 3D space information in the digital radiography of a patient femur, a pose estimation method based on 2D-3D rigid registration is proposed in this study. The method uses two digital radiography images to realize the preoperative 3D visualization of a fractured femur. Compared with the pure Digit...

journal_title：Bio-medical materials and engineering

authors： Zhang X,Zhu Y,Li C,Zhao J,Li G

更新日期：2014-01-01 00:00:00

abstract：:In this investigation, ultrasonic parameters of kidney stones are measured, in vitro, using a double probe ultrasonic-through-transmission technique. Due to the complex chemical structure of these stones, a large variation in the values of the ultrasonic parameters is found. A correlation between ultrasonic properties...

journal_title：Bio-medical materials and engineering

authors： Singh VR,Dhawan JB

更新日期：1992-07-01 00:00:00

abstract：:In this study, design optimization of a tooth implant-supported fixed prosthesis was investigated theoretically. A three-dimensional finite element analysis was utilized to simulate the stress distribution and deformation, with an emphasis on the material selection for various parts of the prosthesis. This mandibular ...

journal_title：Bio-medical materials and engineering

authors： Dargahi J,Najarian S,Talebi M

更新日期：2005-01-01 00:00:00

abstract：:Biocompatible metals have been suggested as revolutionary biomaterials for bone-grafting therapies. Although metals and their alloys are widely and successfully used in producing biomedical implants due to their good mechanical properties and corrosion resistance, they have a lack in bioactivity. Therefore coating of ...

journal_title：Bio-medical materials and engineering

authors： Saleh MM,Touny AH,Al-Omair MA,Saleh MM

更新日期：2016-05-12 00:00:00

abstract：:The in vivo and in vitro drug release profiles from a self-setting bioactive CaO-SiO2-P2O5 glass bone cement containing indomethacin as a model drug were investigated. The cement containing 2% and 5% indomethacin (IMC) powder hardened within 5 min after mixing with ammonium phosphate buffer. After setting, in vitro dr...

journal_title：Bio-medical materials and engineering

authors： Otsuka M,Nakahigashi Y,Matsuda Y,Kokubo T,Yoshihara S,Fujita H,Nakamura T

更新日期：1997-01-01 00:00:00

abstract：BACKGROUND:Retearing mechanism after transosseous equivalent (TOE) rotator cuff repair has not been fully clarified yet. OBJECTIVE:The purposes of this study were to compare the stress distribution pattern in the tendon stump between knotted and knotless TOE repair and to investigate the role of suture tension applied...

journal_title：Bio-medical materials and engineering

authors： Sano H,Tokunaga M,Noguchi M,Inawashiro T,Irie T,Abe H,Yokobori AT

更新日期：2017-01-01 00:00:00

abstract：:This paper presents an X-ray diffraction method of measuring the residual stress/strain in bone tissue of rabbit's tibia. To derive the residual stress, bone powder of the diameter less than 40 micrometers was used as a control specimen at non-stressed state. From the X-ray measurements, it was clear that the distribu...

journal_title：Bio-medical materials and engineering

authors： Tadano S,Okoshi T

更新日期：2006-01-01 00:00:00

abstract：:A size-based blood cell sorting model with a micro-fence structure is proposed in the frame of immersed boundary and lattice Boltzmann method (IB-LBM). The fluid dynamics is obtained by solving the discrete lattice Boltzmann equation, and the cells motion and deformation are handled by the immersed boundary method. A ...

journal_title：Bio-medical materials and engineering

authors： Wei Q,Xu YQ,Tian FB,Gao TX,Tang XY,Zu WH

更新日期：2014-01-01 00:00:00

abstract：:In a previous work by the author [H.S. Hedia and M. Nemat-Alla, Design optimization of functionally graded dental implant, submitted to be published in the J. Bio-Medical Materials and Engineering], a functionally graded material dental implant was designed without cansellous bone in the model. In this investigation t...

journal_title：Bio-medical materials and engineering

authors： Hedia HS

更新日期：2005-01-01 00:00:00

abstract：:A robust method for inducing bone-formation without an autograft has not been established. Currently, both platelet-rich plasma (PRP) and bone morphogenetic protein (BMP) have been widely investigated for their clinical use in such cases. However, their synergistic effect is still controversial and previously shown di...

journal_title：Bio-medical materials and engineering

authors： Yoshida K,Sumita Y,Marukawa E,Harashima M,Asahina I

更新日期：2013-01-01 00:00:00

abstract：:The interactions between carbon nanotubes and important biomolecules, above all collagen molecules, have not been studied in detail. This situation is partly due to the fact that CNT are solid entities, while most of the biomolecules can be prepared in solution. We used turbidity as a means of evaluating the interacti...

journal_title：Bio-medical materials and engineering

authors： Kuboki Y,Terada M,Kitagawa Y,Abe S,Uo M,Watari F

更新日期：2009-01-01 00:00:00

abstract：:To evaluate the ability of assessing the refractive change induced by myopic laser surgery using the intrinsic data, obtained from a reference intrinsic to the cornea. Twenty-nine eyes with laser in situ keratomileusis for myopia were included in the study. Statistical analyses were performed to determine the relation...

journal_title：Bio-medical materials and engineering

authors： Liu Y,Wang Z,Wang Y

更新日期：2015-01-01 00:00:00

abstract：:Based upon previous research on the relation between hip prosthesis designs and strain distributions in a proximal femur model, a prototype of a "physiological" hip prosthesis was designed and manufactured. Strain gauge measurements on a dry femur before and after implantation of this prosthesis were made in different...

journal_title：Bio-medical materials and engineering

authors： Vander Sloten J,Labey L,Van Audekercke R,Van der Perre G

更新日期：1993-04-01 00:00:00

abstract：:In the organism epithelia perform perfect barrier functions. Strong rheological and mechanical influences constitute the normal environment of this tissue throughout life. Most epithelia are exposed to different fluids at the luminal and basal sides. To obtain realistic information about tissue development in modern b...

journal_title：Bio-medical materials and engineering

authors： Minuth WW,Schumacher K,Strehl R

更新日期：2005-01-01 00:00:00

abstract：OBJECTIVE:Normal pregnancy is associated with profound alterations in the maternal cardiovascular system and PPG represents a sensitive and convenient technique capable of tracking changes in the pulsatile function of arteries. The aim of this study was to investigate the effects of maternal cardiovascular alterations ...

journal_title：Bio-medical materials and engineering

authors： Su F,Li Z,Sun X,Han N,Wang L,Luo X

更新日期：2014-01-01 00:00:00

abstract：BACKGROUND:Gait analysis, such as portable gait rhythmogram (PGR), provides objective information that helps in the quantitative evaluation of human locomotion. OBJECTIVE:The purpose of this study was to assess the reliability of PGR in post-stroke patients. METHODS:Two raters (A and B) examined 48 post-stroke patien...

journal_title：Bio-medical materials and engineering

authors： Miyata R,Matsumoto S,Miura S,Kawamura K,Uema T,Miyara K,Niibo A,Hoei T,Ogura T,Shimodozono M

更新日期：2020-01-01 00:00:00

abstract：OBJECTIVES:to assess reliability and reproducibility of quantitative MRI (7 T) in assessing rat femoro-tibial cartilage volume. METHODS:5 healthy rat knees were scanned in vivo using a 7 T experimental imager. Sagittal high resolution 3D Gradient Echo with fat suppression sequences were performed with a dedicated home...

journal_title：Bio-medical materials and engineering

authors： Goebel JC,Bolbos R,Pinzano A,Schaeffer M,Rengle A,Galois L,Etienne S,Netter P,Loeuille D,Beuf O,Gillet P

更新日期：2008-01-01 00:00:00

abstract：:One goal of functional tissue engineering is to manufacture scaffolds infiltrated with chondrocytes which are suitable for transplantation into the lesion areas of articular cartilage. Various research strategies are used to fabricate cartilage transplants which would have the correct phenotype, contain enough extrace...

journal_title：Bio-medical materials and engineering

authors： Pulkkinen H,Tiitu V,Lammentausta E,Laasanen MS,Hämäläinen ER,Kiviranta I,Lammi MJ

更新日期：2006-01-01 00:00:00

abstract：:The values of the propagation coefficient measured on a silicon rubber tube in the frequency range 1-15 Hz were compared, using four different equations. The first formula is based on three simultaneous pressure measurements performed at equidistant points; the remaining three equations are original, and make use of o...

journal_title：Bio-medical materials and engineering

authors： Ursino M,Artioli E

更新日期：1992-10-01 00:00:00

abstract：:Synthetic grafting materials, such as calcium phosphates (hydroxyapatite, HA; tricalcium phosphate, TCP), polymers, or composites thereof, can be used as osteoconductive scaffolds and delivery vehicles for osteoinductive growth factors. Carrier materials must be engineered to deliver these factors in a controlled fash...

journal_title：Bio-medical materials and engineering

authors： Santoni BG,Pluhar GE,Motta T,Wheeler DL

更新日期：2007-01-01 00:00:00

abstract：BACKGROUND:Surface replication is a nondestructive evaluation technique applied in examining surface wear by recording surface irregularities, especially in conditions when surfaces of interest cannot be further manipulated to fit directly under a microscope to be examined. Enamel is the outermost protective layer of t...

journal_title：Bio-medical materials and engineering

authors： Ijbara M,Wada K,Wada J,Jayawardena JA,Miyashin M

更新日期：2020-01-01 00:00:00

abstract：:The interaction between implant materials and bone cells or oral epithelial (OE) cells contributes to the clinical success of dental implants. The functional activity of cells in contact with an implant is determined by its surface properties. Before cells attach, extracellular matrix (ECM) in the serum deposits on th...

journal_title：Bio-medical materials and engineering

authors： Goto T,Yoshinari M,Kobayashi S,Tanaka T

更新日期：2004-01-01 00:00:00

abstract：:PVA-hydrogel has excellent biocompatibility as well as preferable tribological characteristics as an artificial articular cartilage. One of the most difficult problems is the attachment of PVA-hydrogel to the underlying bone (or metal substrate). In the present study, the micro-mechanical attachment between the PVA-hy...

journal_title：Bio-medical materials and engineering

authors： Gu ZQ,Xiao JM,Lou SQ

更新日期：1999-01-01 00:00:00

abstract：:Stroke is a major cause of death and disability throughout the world. Subtotal occlusion of the carotid artery is an important risk factor for stroke. Carotid artery stenting (CAS) is increasingly being used for treatment of carotid artery stenosis. There are many reports on treating carotid artery stenosis by CAS; ho...

journal_title：Bio-medical materials and engineering

authors： Zhang C,Wang Z,Zheng H,Qiu Y,He X,Yang H,Liu W

更新日期：2012-01-01 00:00:00

abstract：:Bioelectrical impedance phase angle has been recommended as a tool to assess nutrition state, but there are no measuring devices have been specially designed for hospital residents. In this study, a system was established for the measurement of bioelectrical impedance phase angle. The electrical composition, calculati...

journal_title：Bio-medical materials and engineering

authors： Zhang G,Huo X,Wu C,Zhang C,Duan Z

更新日期：2014-01-01 00:00:00

abstract：:A novel technique and product for carpal tunnel microscopic surgical procedures using a modified medical device containing a head as a surgical scalpel under light guidance were designed and studied. The novel design of the medical device was developed and applied in a new carpal tunnel microscopic surgical procedure ...

journal_title：Bio-medical materials and engineering

authors： Chiang MC,Huang CC

更新日期：2015-01-01 00:00:00

abstract：:Level set method has been widely used in medical image analysis, but it has difficulties when being used in the segmentation of left ventricular (LV) boundaries on echocardiography images because the boundaries are not very distinguish, and the signal-to-noise ratio of echocardiography images is not very high. In this...

journal_title：Bio-medical materials and engineering

authors： Zhang Y,Gao Y,Li H,Teng Y,Kang Y

更新日期：2015-01-01 00:00:00

abstract：:Resorbable ceramics can promote the bony integration of implants. Their rate of degradation should ideally be synchronized with bone regeneration. This study examined the effect of rapidly resorbable calcium phosphate ceramics 602020, GB14, 305020 on adherence, proliferation and morphology of human bone-derived cells ...

journal_title：Bio-medical materials and engineering

authors： Radetzki F,Wohlrab D,Zeh A,Delank KS,Mendel T,Berger G,Syrowatka F,Mayr O,Bernstein A

更新日期：2011-01-01 00:00:00

abstract：BACKGROUND:The use of helmets was considered to be one of the important prevention strategies employed on construction sites. The shock absorption performance of a construction (or industrial) helmet is its most important performance parameter. Industrial helmets will experience cumulative structural damage when being ...

journal_title：Bio-medical materials and engineering

authors： Wu JZ,Pan CS,Ronaghi M,Wimer BM,Reischl U

更新日期：2021-01-01 00:00:00