Search for dissertations about: "Medicinteknik."

Showing result 1 - 5 of 295 swedish dissertations containing the word Medicinteknik..

  1. 1. Non-invasive imaging for improved cardiovascular diagnostics Shear wave elastography, relative pressure estimation, and tomographic reconstruction

    University dissertation from Stockholm : KTH Royal Institute of Technology

    Author : David Marlevi; KTH.; Karolinska Institutet.; Karolinska Institutet.; [2019]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Medicinsk teknologi; Medical Technology; Medical imaging; Cardiovascular disease; Atherosclerosis; Hemodynamics; Ultrasound; Shear Wave Elastography SWE ; Magnetic Resonance Imaging MRI ; 4D flow MRI; Relative Pressure; Virtual Work-Energy; micro-Computed Tomography micro-CT ; Tomographic reconstruction; Pre-clinical imaging; Medicinsk avbildning; Hjärt-kärlsjukdomar; Ateroskleros; Hemodynamik; Ultraljud; Skjuvvågselastografi SWE ; Magnetresonanstomografi MRI ; 4D flödes-MRI; Tryckfall; Virtuellt flöde; mikro-Datortomografi mikro-CT ; Tomografisk rekonstruktion; Preklinisk avbildning;

    Abstract : Medicinsk avbildning utgör idag en central del av modern klinisk diagnostik, och bildgivande diagnostikverktyg har kommit att i grunden förändra sättet på vilket dagligt kliniskt arbete utförs. Medicinsk bildteknik används också i stor utsträckning inom hjärt-kärldiagnostik, och i takt med att nya tekniker utvecklas kan förfinad information inhämtas: ultraljudsbaserad elastografi möjliggör avbildning av vävnaders mekaniska egenskaper, fyrdimensionella blodflödesmönster kan kartläggas genom 4D flödes-magnetresonanstomografi (MRI), och mikro-Datortomografi (mikro-CT) möjliggör preklinisk avbildning i mikrometerupplösning. READ MORE

  2. 2. Infrared Neural Modulation: Photothermal Effects on Cortex Neurons Using Infrared Laser Heating

    University dissertation from KTH Royal Institute of Technology

    Author : Qingling Xia; KTH.; [2018]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; neural modulation; infrared laser; in - vitro experiment; multi - electrode arrays MEA ; heating model; temperature; neural networks; infrared neural inhibition INI ; hyperexcitation;

    Abstract : It would be of great value to have a precise and non-damaging neuromodulation technique in the field of basic neuroscience research and for clinical treatment of neurological diseases. Infrared neural modulation (INM) is a new modulation modality developed in the last decade, which uses pulsed or continues infrared (IR) light with a wavelength of 1200 to 2200 nm to directly alter neural signals. READ MORE

  3. 3. Combining the tactile resonance method and Raman spectroscopy for tissue characterization towards prostate cancer detection

    University dissertation from Luleå : Luleå tekniska universitet

    Author : Stefan Candefjord; Luleå tekniska universitet.; [2011]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Medical Engineering for Healthcare; Medicinsk teknik för hälsovård;

    Abstract : Prostate cancer (PCa) is the most common male cancer in Europe and the US, and only lung and colorectal cancer have a higher mortality among European men. In Sweden, PCa is the most common cause of cancer-related death for men. READ MORE

  4. 4. The Physical Axon Modeling, Simulation and Electrode Evaluation

    University dissertation from Linköping : Linköping University Electronic Press

    Author : Malcolm Latorre; Linköpings universitet.; Linköpings universitet.; [2017]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

    Abstract : Electrodes are used in medicine for detection of biological signals and for stimulating tissue, e.g. in deep brain stimulation (DBS). For both applications, an understanding of the functioning of the electrode, and its interface and interaction with the target tissue involved is necessary. READ MORE

  5. 5. Attenuation of hand-held machine vibrations. Application of non-linear tuned vibration absorber

    University dissertation from ; Chalmers tekniska högskola; Gothenburg

    Author : Hans Lindell; [2017]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Impact machine; Hand-arm vibration; High frequency vibration; ATVA; Nonlinear tuned vibration absorber; White finger; HAVS; Transient vibration; Auto Tuned Vibration Absorber; Vibration dynamics; ISO 5349;

    Abstract : Vibration injury in the hand-arm system from vibrating hand-held machines is one of the most common occupational health injuries and causes severe and often chronic nerve and vascular injuries to the operator. The objective with this study is to contribute to reduce hand-arm vibration injuries, first by developing methods of redesigning machines that will lower their vibration level and second to study how high frequency vibrations (HFV) above 1250 Hz effect the finger tissue which are not included in the current standard for risk evaluation. READ MORE