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- Active Motion Simulator (1)
- Biomechanics (1)
- Breast Cancer (1)
- Cadavers (1)
- Capillaries (1)
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- Cartilage (1)
- Contact area (1)
- Contact mechanics (1)
- Contact stress (1)
- Control theory (1)
- Digital volume correlation (1)
- Elastography (1)
- Elbow (1)
- Endothelial (1)
- Glenoid implants (1)
- Hemiarthroplasty (1)
- Humeral head implants (1)
- Implant-cement-bone interfaces (1)
- Joint Kinematics (1)
- Lattice (1)
- Micro-computed tomography (1)
- Microcirculation (1)
- Model (1)
- Motion-tracking Method (1)
- Oxygen (1)
- Porous (1)
- Radial head (1)
- Regulation (1)
- Stiffness (1)
- Strain (1)
Articles 1 - 5 of 5
Full-Text Articles in Engineering
A Two-Layer Continuous-Capillary Oxygen Transport Model: Development And Application To Blood Flow Regulation In Resting Skeletal Muscle., Keith C. Afas
Electronic Thesis and Dissertation Repository
In skeletal muscle (SM), the microcirculation distributes blood flow to capillary networks to meet local oxygen (O2) demand. Experiments using intra-vital video microscopy (IVVM) have quantified blood flow and O2 supply in capillary networks, and using an O2 exchange chamber have measured local changes in blood flow believed due to O2-dependent regulation. However, IVVM is unable to simultaneously measure capillary O2 supply and SM O2 content, implying the need for theoretical models to understand how flow regulation and SM oxygenation interact. In this thesis, a novel blood-tissue O2 transport model using …
The Application Of Digital Volume Correlation Bone Strain Measurements In The Osteoarthritic Glenohumeral Joint, Jakub R. Targosinski
The Application Of Digital Volume Correlation Bone Strain Measurements In The Osteoarthritic Glenohumeral Joint, Jakub R. Targosinski
Electronic Thesis and Dissertation Repository
This thesis investigates the accuracy and precision of digital volume correlation measurements derived from micro-computed tomography imagery of interfaces in the upper extremity of clinical relevance, namely, the implant-cement-bone interface of glenoid implants used in total shoulder arthroplasties and the implant-bone interface of shoulder hemiarthroplasties. The works within derive relationships between measurement accuracy and precision and parameters of practical interest such as image quality and measurement spatial resolution. It also analyzes the effects of micro-computed tomography image artifact-inducing materials on the accuracy and precision of digital volume correlation-based measurements and the spatial relationship between distance between the artifacting material and …
A Novel Ultrasound Elastography Technique For Evaluating Tumor Response To Neoadjuvant Chemotherapy In Patients With Locally Advanced Breast Cancer, Niusha Kheirkhah
A Novel Ultrasound Elastography Technique For Evaluating Tumor Response To Neoadjuvant Chemotherapy In Patients With Locally Advanced Breast Cancer, Niusha Kheirkhah
Electronic Thesis and Dissertation Repository
Breast cancer is the second most diagnosed cancer in women, estimated to affect 1 in 8 women during their lifetime. About 10% to 20% of new breast cancer cases are diagnosed with locally advanced breast cancer (LABC). LABC tumors are usually larger than 5 cm and/or attached to the skin or chest wall. It has been reported that when such cases are treated with surgery alone, metastasis and mortality rates are high, especially where skin involvement or attachment to the chest wall is extensive. As such, efficient treatment for this kind of breast cancer includes neoadjuvant chemotherapy (NAC) to shrink …
The Effects Of A Porous Internal Lattice Design On The Articular Contact Mechanics Of Radial Head Hemiarthroplasty Implants, Jessica Benitah
The Effects Of A Porous Internal Lattice Design On The Articular Contact Mechanics Of Radial Head Hemiarthroplasty Implants, Jessica Benitah
Electronic Thesis and Dissertation Repository
Hemiarthroplasty, where one side of a joint is replaced, is a minimally invasive procedure. It allows for the preservation of native tissue, though a significant ramification is accelerated cartilage wear when articulating with high stiffness materials that do not mimic the mechanical stiffness of the native tissue. An implant that employs a lattice design can significantly lower the stiffness of a solid structure whilst maintaining strength. This study was conducted to investigate the effect of implementing a porous internal lattice structure with a thin outer shell on the articular contact mechanics, using a radial head hemiarthroplasty. It was hypothesized that …
The Bio-Mechanical Development And Kinematic Evaluation Of Zone I And Zone Ii Injuries And Their Corresponding Surgical Repair Techniques Using An In-Vitro Active Finger Motion Simulator: A Cadaveric Study, Mohammad Haddara
Electronic Thesis and Dissertation Repository
Research development involving large scale joint mechanics and biomechanical adaptations is growing. However, interest in smaller scale joints, such as the fingers, is limited. Thus, the present work describes the enhancement and clinical application of a previously designed in-vitro active finger motion simulator in measuring and assessing intrinsic joint kinematics and tissue biomechanics including load transfer and strains induced tissues within the finger. Accuracy of electromagnetic tracking (EM) systems were evaluated compared to the standard optical tracking systems and used to develop motion derived finger joint coordinate systems. Moreover, minute strain gauges were utilized to measure strains induced by the …