Searched for: contributor%3A%22van+den+Dobbelsteen%2C+J.J.+%28mentor%29%22
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Weijenberg, Yannick (author)
This thesis investigates clinical phase recognition for cardiac catheterization purposes, focusing on coronary angiography (CAG) procedures, in the context of an increasing annual prevalence of coronary artery disease. It applies machine learning to analyze C-arm logs and video recordings, aiming to improve procedural efficiency by recognizing...
master thesis 2023
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Ansems, Nynke (author)
Gastroschisis, a congenital abdominal wall defect located to the right of the intact umbilical cord (UC), results in the herniation of fetal abdominal organs into the amniotic cavity without a protective membrane covering these structures. Complex gastroschisis (CG), comprising approximately 10% of cases, is associated with significantly higher...
master thesis 2023
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Chang, Yiheng (author)
Catheterization Laboratory (Cath Lab) is a hospital examination room equipped with diagnostic imaging equipment to display the heart arteries and to detect and treat any abnormality or stenosis. This thesis addresses the urgent need to improve the efficiency of operating rooms in Cath Labs due to the increasing number of patients with...
master thesis 2023
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van Deudekom, Thijs (author)
Summary<br/>Introduction<br/>The increasing use of cardiac catheterisation procedures has raised concerns about occupational radiation exposure and its associated health risks for clinicians. Radiation exposure can lead to deterministic and stochastic effects, including cataract and various cancers. To minimise these risks, the ALARA (As Low As...
master thesis 2023
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van Beekum, Karlijn (author)
The operating rooms (OR) in hospitals is a complex system, with a high number of innovations every year. Therefore the healthcare professionals (HCPs) are required to choose between the several aspects and innovations for the OR. Decision-making requires a mutual vision (Littlejohn et al., 2017) and should be based on evidence (Turner et al.,...
master thesis 2023
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Tjiam, Yuan (author)
Surgical teams use instrument counts to prevent leaving unintended objects in patients. This is done manually, but could potentially be done through computer vision software. This paper presents a proof of concept for detecting instruments in the operating room with the Scale Invariant Feature Transform (SIFT). The SIFT algorithm is explored and...
master thesis 2022
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Sickler, Hanna (author)
Prostate cancer is the most frequently diagnosed cancer type among men, and the third deathliest form of cancer. Several treatments are available to treat prostate cancer. Low Dose Rate Brachytherapy (LDR BT) is one of them, which inserts permanent radioactive seeds into the prostate using a needle. The literature review performed prior to this...
master thesis 2022
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Preis, Louisa (author)
This thesis concerns the design process of the mechanical excision mechanism of a minimally invasive sentinel lymph node biopsy medical device. The design is tested, validated and improved using force tests, data analyses, proof-of-principal tests, calculations and finite element method models. The conclusion of these analyses is that the...
master thesis 2022
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Jongeneel, Hilda (author)
The growing demand for cardiovascular treatments and the need to control the ever rising health care expenditures require efficient use of expensive resources, such as cardiac catheterization laboratories (cath labs). These in cardiac catheterization specialized operating rooms are labor and capital-intensive. Therefore, a high utilization is...
master thesis 2022
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Keizer, Jasper (author)
<b>Problem:</b> One of the biggest challenges in hospitals today is improving efficiency, (patient) safety and quality of care while cutting on costs. A current reoccurring challenge in the operation department is the coordination of the components involved in making a surgery successful. One of those components is the set of surgical...
master thesis 2021
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Koopman, Laurence (author)
Breast cancer is currently the most prevalent type of cancer. The concluding diagnosis can be obtained with an MRI-guided biopsy. However, due to respiratory movement and human error, the procedure can require multiple attempts, resulting in harmful consequences. To reach the target at the first attempt, the precision of the procedure should be...
master thesis 2021
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Beers, Wietske (author)
Laparoscopic suturing is one of the most difficult and time-consuming tasks in laparoscopic surgery. The long instrument shafts, two-dimensional view, and limited space for movement make simple actions, such as grasping and manipulating the needle and thread, difficult in the laparoscopic setting. To simplify the suturing process, the Hornet...
master thesis 2021
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van der Molen, Dana (author)
Glioblastoma multiforme tumors (GBM) are the most frequent and aggressive brain tumor type and have a very low survival rate. In order to improve the patient’s outcome for a patient suffering from GBM the production of brain phantoms can be of great help. A brain phantom can be used for multiple purposes, such as neurological planning, training...
master thesis 2021
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van Koten, Eveline (author)
In up to 30% of hernia patients revision surgery is needed due to infection, pain and defect recurrence. The role that abdominal wall tension plays in this is incontrovertible: most repair techniques in herniorrhaphy aim to reduce tension at the aponeurotic edge, as excess tension is directly related with local ischemia and recurrence of the...
master thesis 2021
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Gigengack, Eline (author)
This thesis describes the design process of a new instrument that can be used to perform a fetal aortic valvuloplasty procedure. Congenital heart defects occur in 8 to 12 out of every 1000 live births. Aortic stenosis (AS) is one of the most common congenital heart defects. When AS occurs, the opening and closing of the aortic valve does not...
master thesis 2021
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Joosen, Max (author)
Sentinel lymph node biopsy (SLNB) is a procedure that is used to determine the stage of disease of melanoma patients and determine further treatment. However, the morbidities accompanied with this procedure are not negligible (e.g., wound infection, lymphoedema and seroma). With the goal reduce the incidence of morbidities, this thesis...
master thesis 2021
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van Hartingsveldt, Tessa (author)
During the first COVID-19 wave in the Netherlands, hospitals had to scale down their elective care all over the hospital to make room for COVID-19 patients. Even the Operating Room (OR) reduced their surgeries to acute care. It is, however, hard to define how much the OR should downscale. Also, there are no national plans on how hospitals should...
master thesis 2021
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Veldman, Ellen (author)
Prostate cancer is the most frequently diagnosed type of cancer among males. Brachytherapy has become a common treatment for this disease. In this form of radiotherapy, sealed radiation sources are placed through a implant catheters inside the prostate. This treatment affects the tumor cells locally and reduces damage to healthy tissues. However...
master thesis 2020
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Imming, Sietske (author)
Maximisation of treatment efficiency in hospitals can lead to significant growth in terms of patient satisfaction, staff productivity and hospital revenue. Scheduling for the operating department is currently done manually, using standard values for duration that vary with procedure type. This implies that no patient characteristics nor...
master thesis 2020
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Schouten, Anneke (author)
When in 2008 the financial crisis set it in Europe, consequences for the healthcare systems were inevitable (Parmar, Stavropoulou, &amp; Ioannidis, 2016). Health budgets were reduced, and since the beginning of the crisis, 1.5 million additional people in Europe have had an unmet need for healthcare (A. Reeves, McKee, &amp; Stuckler, 2015). A...
master thesis 2020
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