Searched for: subject:"needle%5C+insertion"
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document
van der Velden, sander (author)
Treatment of liver diseases is often done by means of interventional radiology and thereby needles are widely used. These needles are under constant development and therefore needle-tissue interaction data are necessary. The goal of this study is to provide data on needle forces during puncturing of liver blood vessels. These data can be used to...
master thesis 2018
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Adrichem, Don (author)
Liver cancer causes 700.000 deaths annually. To assess new devices and pre-clinical procedures for treatment, a safe test environment can be provided by a phantom. Phantoms act as a surrogate for certain physical properties of tissue. The purpose of this study is to design, construct and evaluate an anthropomorphic liver phantom, which simulates...
master thesis 2018
document
Hogervorst, J.C. (author)
Abstract—Percutaneous needle insertion is a minimally invasive technique, in which intervention effectiveness depends on needle placement accuracy. Targeting specific areas is difficult as needle trajectory is influenced by the highly variable and unpredictable nature of soft tissue. Furthermore the physician receives very limited information,...
master thesis 2013
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Gahler, M.C. (author)
Accurate positioning of the needle tip during insertion is essential to ensure a maximum effect of the treatment. Target error is a problem and a lot research fields aim to improve needle insertions. The possibility to measure cutting force and stiffness force separately from friction forces supports the development of new types of needles,...
master thesis 2012
document
Manoharan, V. (author)
Epidural anaesthesia is a pain relief technique commonly performed on patients in labor. It requires insertion of a needle into patients back into the epidural space of the spine and inject anaesthetic. It is a blind procedure and anaesthesiologists rely only on the forces felt during needle insertion to determine the position of the needle tip....
master thesis 2011
Searched for: subject:"needle%5C+insertion"
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