Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 38 for “"cancellous bone"”.
-
Ultrasonic propagation in cancellous bone
… in attempt to apply them to the propagation in cancellous bone. The work is related to a new technique which uses ultrasonic attenuation to measure and predict osteoporosis, especially in the elderly population.The ultrasonic attenuation, the longitudinal ultrasonic velocity, the scattering …
-
Strain rate and density dependent behaviour of bovine cancellous bone in compression
The mechanical properties of bone are determined by means of low strain rate testing performed quasi-statically on the Zwick Universal Testing Machine and high strain rate testing performed on the Split Hopkinson Pressure Bar. Cancellous bone is sourced from the vertebrae of five bovine of …
-
Behaviour of normal, avascular and revascularizing cancellous bone: in vivo studies of the mechanical properties and tissue reactions of cancellous bone in the femoral head of an African pygmy goat
Contains fulltext : mmubn000001_065300939.pdf (Publisher’s version ) (Open Access)
-
The application of the homogenisation method to the numerical modelling of cancellous bone
… of developing idealised numerical models of cancellous bone in order to make reasonable predictions about its macro- and microstructural mechanical behaviour using the homogenisation method. In total joint replacement, cancellous bone (the soft porous bone which lies below the articular …
-
The effect of boundary conditions and architecture on the response of cancellous bone
… on the mechanical properties of bovine cancellous bone. 124 cylindrical cancellous samples (7.5 mm height) were harvested from a total of 9 bovine humeri. Mechanical properties of these samples were determined using compression tests performed at three, quasi-static strain rates, namely: …
-
Changes in 3 Dimensional Microstructures of Subchondral Cancellous Bone of Distal Femur in Early Osteoarthritis
… by articular cartilage but also by subchondral cancellous bone, ligaments, and synovium. This study was designed to explore what changes occurs in subchondral cancellous bone in early osteoarthritis and find out the relation between cartilage damage and microstructural changes of cancellous …
-
Cancellous bone use in the estimation of sex in a South African cadaveric and forensic sample
… of the study is to assess radiographic and dry bone measurements of the proximal femur for sex estimation in a South African population. This was done by assessing radiographic and dry bone parameters (e.g., traditional morphometric parameters and assessment of cancellous area and indirect …
-
Densitometric Comparison of Autogenous Cancellous Bone Graft and Extracorporeal Shock Wave Therapy in the Tibial Tuberosity Advancement Procedure in Dogs
… Advancement (TTA) treated with autogenous cancellous bone graft (ACBG), extracorporeal shock wave therapy (ESWT), a combination of ACBG and ESWT, and absence of both ACBG and ESWT using densitometry. Methods: Dogs presenting for surgical repair of a cranial cruciate ligament rupture were …
-
Evaluation of Two Techniques of Cancellous Bone Grafting of Experimental Subchondral Bone Cysts in the Medial Femoral Condyles of Horses
… 5 horses to mimic clinical cases of subchondral bone cysts after debridement. The defects were created with either a standard square ended drill bit or a compaction drill bit. The compaction drill bit compresses bone laterally and distally creating a dense wall and floor. Twelve-mm sternal …
-
Evaluation of biocompatible osteoconductive polymer (BOP) as an osteconductive implant
… Polymer (BOP) fiber (n = 16), autogenous cancellous bone from the proximal femur (n = 4) or proximal humerus (n = 7), or no treatment (n = 5). BOP block was attached extraperiosteally to the proximal humerus in 7 dogs. Surgery sites were evaluated radiographically at 4 week intervals, and …
-
Evaluating Bone by Ultrasound
Bone fractures associated with osteoporosis, a major bone disease characterized by low density and high fracture risk, are common causes of disability and large medical care expenses around the world. Considering its low cost, high portability, and non-ionizing nature, non-invasive ultrasound …
-
Physics of ultrasonic wave propagation in bone and heart characterized using Bayesian parameter estimation
… the propagation of ultrasonic waves in bone and in heart tissue through the use of Bayesian probability theory. Quantitative ultrasound is a noninvasive modality used for clinical detection, characterization, and evaluation of bone quality and cardiovascular disease. Approaches that …
-
Knöcherne Integration und Biokompatibilität eines neuen resorbierbaren Polymers zur Schraubenaugmentation im osteoporotischen Knochen
Bone integration and biocompatibility of a new bioresorbable polymer for screw augmentation in the osteosynthesis of osteoporotic cancellous bone: The surgical treatment of an osteoporosis-associated fracture is a clinically relevant problem, which yet has no satisfactory solution. The fixation of …
-
STUDIES IN THE DEVELOPMENT OF A XENOGRAFT-DERIVED BONE SCAFFOLD
Bone grafts are used in nearly one half of all musculoskeletal surgeries and represent an enormous health care expenditure. Tissue-engineered bone graft substitutes have garnered considerable attention to alleviate the risk of bone graft harvest and potential for disease transmission. Xenografts …
-
Modelling the mechanical behaviour of the interface between prosthesis and bone
The integrity of the cement-bone interface is vital to the long term stability of cemented arthroplasty. Although the factors affecting the strength of the cement-bone interface are well documented the behaviour and load transfer across the interface at the trabecular level has been largely …
-
Assessment of Injection Behavior of Commercially-available Bone BSMS for Subchondroplasty Procedures
<p>Subchondroplasty is a procedure that utilized bone substitutes materials (BSMs) or bone cement to correct bone defects in the subchondral bone. The two main materials used to compose BSMs are poly-methyl-methacrylate (PMMA) and calcium phosphate cement (CaP). Currently, there is no optimal bone …
-
Knee Balance Assessment During Cementation Is Detrimental to Initial TKA Tibial Tray Fixation
… surface by lipids endogenous to the surrounding cancellous bone and thereby enhance fixation strength between the implant and bone [2]. The purpose of this thesis is to understand the role contaminating lipids play in the mechanism of aseptic loosening and to perform a cadaveric study on modern …
-
Evaluation of a Novel Self-Assembled Nanocoating in Promoting Bone On-growth and Apposition on Metal
… of metallic implants in both cortical and cancellous bone over a conventional untreated implant. We hypothesize that a SAMP monolayer coating would lead to greater in-vivo bone on-growth and fixation of SAMP-coated stainless steel (SS) implants when compared against uncoated ones. An …
-
Statistical Shape Modeling to Quantify Variation in the Proximal Humeral Anatomy
… Shape Model (SSM) of the cortical and cancellous bone regions of the proximal humerus, and to assess potential shape differences with gender and ethnicity, with a goal of informing implant design. An SSM was used and Principal Component Analysis (PCA) was applied to data that …
Page 1 of 2