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.
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Showing 1 to 20 of 40 for “"Assist Device"”.
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Left Ventricle Assist Device
… the development and testing of left ventricle assist devices (LVADs). Heart disease is the leading cause of death in America, and LVAD offers an effective solution to patients with severe coronary artery disease who are not eligible for heart transplants. However, before testing LVADs in-vivo, …
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Engineering external heart assist device
… Department of Chemical Engineering on a heart assist device which was designed, built and tested in the laboratory. The project can be divided into a mechanical and an electrical task, both of which were undertaken by the author. The electrical task involved design and construction of a …
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Experiences of being maintained on a ventricular assist device
… support from two different types of ventricular assist device (VAD). The literature review focuses on the decisionmaking experience of patients and caregivers considering implantation of a left ventricular assist device (LVAD). The LVAD is a type of long-term/durable VAD which enables patients to …
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Ventricular assist device design and analysis : a computational approach
Thesis (Ph. D.)--Massachusetts Institute of Technology, Whitaker College of Health Sciences and Technology, 1996.
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Quantified flow characteristics in a model cardiac assist device
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1997.
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Experimental Evaluation and Characterization of a Mobility Assist Device Physical Interface
… active and independent is the use of mobility assist devices. These devices are designed to reduce the energy demand of the user with the use of electric motors providing torques at joints of the lower limb. Although promising, these devices have a problem: they become uncomfortable after …
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Design and control of a self-sensing piezoelectric reticle assist device
… presents the design and control techniques of a device for managing the inertial loads on photoreticle of lithography scanners. Reticle slip, resulting from large inertial loads, is a factor limiting the throughput and accuracy of the lithography scanners. Our reticle-assist device completely …
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Assessing Risk For Right Heart Failure After Left Ventricular Assist Device Implantation
… outcomes. Implantation of a left ventricular assist device (LVAD) has offered the promise of improved financial, clinical, and functional outcomes for those awaiting or ineligible for heart transplantation. Right Heart Failure (RHF), however, threatens positive outcomes as it remains the …
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Design of an assist device for automated rolling and repositioning bedridden patients
Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2002.
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Left ventricular assist device therapy: family caregivers' stress, perceived burden and quality of life.
… Individuals implanted with left ventricular assist devices (LVADs) as bridge to transplant or as destination therapy expect to be discharged home. Responsibility for providing care to those patients has fallen almost exclusively to family caregivers. Yet there is a paucity of research on the …
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Patients' and caregivers' inside perspectives: living with a left-ventricular assist device as destination therapy
<p>Left-ventricular assist devices (LVADs) have improved the quality of life for many patients with advanced heart failure. Past research focused on technology issues and survival rates, but patients' and caregivers' perspectives of living with an LVAD as a destination therapy (e.g., permanent …
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A state-of-the-art review of the bioartificial renal assist device developed at the University of Michigan, USA
… revolutionary invention called the Renal tubule Assist Device (RAD) which is the result of research and study of a group of scientists led by Dr. H. David Humes in University of Michigan, USA. The thesis starts with an overview of the kidney's anatomy, physiology and fundamentals of the kidney …
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Outcomes of patients transferred to the University of Michigan health system on a short-term ventricular assist device for cardiogenic shock
<p>Short-term ventricular assist devices (VADs) are mechanical pumps that are used to temporarily support a patient who is in cardiogenic shock. These VADs are effective in sustaining a patient’s life until he or she can been transferred to a tertiary cardiac center such as the University of …
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A Comparison of Maximal Exercise Responses among Patients with a Total Artificial Heart, a Left Ventricular Assist Device, or Advanced Heart Failure
… Corp., Pleasanton, CA) left‐ventricular assist device (HMII) patients. For patients with biventricular heart failure the TAH is a viable option to bridge patients until transplant becomes available. Its demonstrated improvement in mortality and increasing usage necessitates a shift in …
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The Impact of Ventricular Assist Device Prior to Transplantation on Morphological Parameters in Cardiac Allografts /// Въздействие на вентрикуларните помощни устройства преди трансплантация върху морфологичните параметри при сърдечните алографи
… suggesting that prolonged use of ventricular assist device (VAD) therapy may result in cardiac allograft dysfunction, as MCS patients show a higher frequency of antibody-mediated rejection (AMR) episodes. We aimed to analyze the effects of MCS on cardiac AMR with regards to capillary C3d and …
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The demands of vertical ladder ergometer climbing relating to the wind energy industry.
… ladder ergometer climbing, the effect of a climb assist device and the effect of space restriction on ladder climbing. A further aim was to understand the difference between climbing a pitched and vertical ladder ergometer. Using an online survey, it was found that 50% of respondents climbed wind …
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A Multi-Scale CFD Analysis of Patient-Specific Geometries to Tailor LVAD Cannula Implantation Under Pulsatile Flow Conditions: an investigation aimed at reducing stroke incidence in LVADs
A Left Ventricular Assist Device (LVAD) is a mechanical pump that provides temporary circulatory support when used as bridge-to-transplantation and relieves workload demand placed on a failing heart allowing for myocardia recovery when used as destination therapy. Stroke is the most devastating …
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Quantitative Analyse klappeninduzierter Mikroembolien mittels Doppler-Sonographie in vitro für gängige Herzklappenprothesen
… in mitral position of a left ventricular assist device (MEDOS?). A pulsed ultrasound machine with a dual gated 2 MHz transducer and embolus detection software was used. The ultrasound probe was firm integrated in the circulatory, while detection was performed at two depths to reduce …
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