A5020663384- Soft Robotics and Applications
- Ultrasound Imaging and Elastography
- Advanced Radiotherapy Techniques
- AI in cancer detection
- Geomagnetism and Paleomagnetism Studies
- Medical Image Segmentation Techniques
- Magnetic and Electromagnetic Effects
- Surgical Simulation and Training
- MRI in cancer diagnosis
- Breast Lesions and Carcinomas
- Digital Radiography and Breast Imaging
- Additive Manufacturing and 3D Printing Technologies
- Advanced Sensor and Energy Harvesting Materials
- Electrical and Bioimpedance Tomography
- Gastrointestinal Bleeding Diagnosis and Treatment
- Chemical and Physical Properties of Materials
- Characterization and Applications of Magnetic Nanoparticles
- Radiomics and Machine Learning in Medical Imaging
- Microfluidic and Capillary Electrophoresis Applications
- Advanced MEMS and NEMS Technologies
- Advanced Memory and Neural Computing
- Microfluidic and Bio-sensing Technologies
- Photoacoustic and Ultrasonic Imaging
- CCD and CMOS Imaging Sensors
- Innovative Microfluidic and Catalytic Techniques Innovation
University of Twente
2017-2024
Abstract. Current additive manufacturing allows for the implementation of electrically interrogated 3-D printed sensors. In this contribution various technologies, sensing principles and applications are discussed. We will give both an overview some sensors presented in literature as well our own recent work on The printing methods discussed include fused deposition modelling (FDM), using multi-material poly-jetting. Materials mainly thermoplastics thermoplastic polyurethane (TPU), un-doped...
Mixing fluid samples or reactants is a paramount function in the fields of micro total analysis system (μTAS) and microchemical processing. However, rapid efficient mixing difficult to achieve inside microchannels because difficulty diffusive mass transfer laminar regime typical microfluidic flows. It has been well recorded that efficiency can be boosted by migrating from two-dimensional (2D) three-dimensional (3D) geometries. Although several 3D chaotic mixers have designed, most them offer...
The biopsy procedure is an important phase in breast cancer diagnosis. Accurate imaging and precise needle placement are crucial lesion targeting. This paper presents end-effector (EE) for robotic 3D ultrasound (US) acquisitions US-guided biopsies. EE mechanically guides the to a specified target within US plane. controlled all degrees of freedom (DOFs) except direction insertion, which by radiologist. It determines correct depth stops accordingly.In envisioned procedure, arm performs...
Current challenges in automated robotic breast ultrasound (US) acquisitions include keeping acoustic coupling between the and US probe, minimizing tissue deformations safety. In this paper, we present how an autonomous 3D acquisition can be performed utilizing a 7DOF robot equipped with linear transducer. Robotic would increase diagnostic value of modality since they allow patient specific scans have high reproducibility, accuracy efficiency. Additionally, more flexibility examining simplify...
One out of eight women will get breast cancer during their lifetime. A biopsy, a procedure in which tissue sample is acquired from the lesion, required to confirm diagnosis. biopsy preferably executed under ultrasound (US) guidance because it simple, fast, and cheap, gives real-time image feedback causes little patient discomfort. However, Magnetic Resonance (MR)-detected lesions may be barely or not visible on US difficult find due deformations breast. This paper presents robotic setup...
Biopsy of breast lesions only visible on MRI may benefit from patient-specific finite-element modeling the breast. This requires acquisition heterogeneous elasticity distribution. An acoustically transparent pad has been developed which enables strain elastography imaging using ultrasound without need for additional force or pressure sensors. The is known a priori while change in thickness detectable by edge detection. Based calculated distribution across pad, inner tissue can be...
Breast cancer affects one out of eight women. Ultrasound (US) plays an important role in the diagnostic workflow, especially during biopsy phase, which tissue is extracted from lesion for further analysis. The extension 2D to 3D US acquisitions has multiple benefits including enhanced localization and improved registration with MRI data. Current commercial systems lack ability preserve breast's original shape. Robotic scanners follow tailored trajectories produce high quality volumes by...
A biopsy is the only diagnostic procedure for accurate histological confirmation of breast cancer. When sonographic placement not feasible, a Magnetic Resonance Imaging(MRI)-guided often preferred. The lack real-time imaging information and deformations make it challenging to bring needle precisely towards tumour detected in pre-interventional (MR) images. current manual MRI-guided workflow inaccurate would benefit from technique that allows tracking localisation lesion during insertion....
Automated ultrasound of the breast has advantage to have whole scanned by technicians. Consequently, feedback radiologist about concurrent focal abnormalities (e.g., palpable lesions) is lost. To enable marking patient- or physician-reported abnormalities, we aimed develop skin markers that can be used without disturbing interpretability image.Disk-shaped were casted out silicone. In this IRB-approved prospective study, 16 patients included with a mean age 57 (39-85). all patients, same...
Adding volumetric ultrasound (3DUS) to MRI improves cancer detection rate in a breast. However, the fusion of 3DUS and is challenging due different position (supine versus prone, respectively) high deformation breast existing scanners. In this study, we present quantitatively evaluate novel robot-assisted scanning system for 3D US acquisitions. Since scanned prone with minimal measurable deformation, can facilitate - fusion. For quantitative evaluation, breast-shaped rigid polyvinyl-alcohol...
Current Additive Manufacturing allows for the implementation of electrically interrogated 3D printed sen- sors. In this contribution various technologies, sensing principles and applications are discussed. We will give both an overview some sensors presented in literature as well our own work.
Poster: ECR 2018 / C-2956 Breast lesion markers for 3D ultrasound examinations of the breast. by: L. de Jong 1, M. K. Welleweerd2, J. van Zelst1, F. Siepel2, S. Stramigioli2, Futterer1, R. Mann1, C. Korte1; 1Nijmegen/NL, 2Enschede/NL
We present a spectrophotometer (optical density meter) combined with electromagnets dedicated to the analysis of suspensions magnetotactic bacteria. The instrument can also be applied other magnetic cells and particles. have ensured that our system, called MagOD, easily reproduced by providing source 3D prints for housing, electronic designs, circuit board layouts, microcontroller software. compare performance system existing adapted commercial spectrophotometers. In addition, we demonstrate...
We present a spectrophotometer (optical density meter) combined with electromagnets dedicated to the analysis of suspensions magnetotactic bacteria. The instrument can also be applied other magnetic cells and particles. have ensured that our system, called MagOD, easily reproduced by providing source 3D prints for housing, electronic designs, circuit board layouts, microcontroller software. compare performance system existing adapted commercial spectrophotometers. In addition, we demonstrate...