Marco Kalmar

Marco Kalmar
Otto-von-Guericke-Universität Magdeburg | OvGU · EIT

Master of Science

About

12
Publications
959
Reads
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25
Citations
Citations since 2016
12 Research Items
25 Citations
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Publications

Publications (12)
Conference Paper
Full-text available
The proposed work involves the use of Nitinol as a bended tip biopsy needle. Nitinol performs as the hollow core for tissue sampling. The goal is to show the visibility of the superelastic property of the Nitinol bended needle tip under ultrasound image guidance.
Article
Full-text available
Introduction: Contrast media injections, infusions, or experiments that require a constant volume flow close to or within a very high magnetic field like in magnetic resonance imaging (MRI) require a liquid reservoir and a power unit to deliver the fluid. However, most power units are driven by motors that are either not MRI-compatible or require...
Conference Paper
Core needle biopsy is an established method for diagnosis of cancerous tissue. To achieve high sensitivity of the diag-nosis multiple samples are collected from and around the suspected tumour zone. This is connected to multiple punc-tures and removal of the biopsy gun. Another possibility is the use of biopsy guns with large diameters. Both lead t...
Conference Paper
Sentinel lymph node (SLN) biopsy is an intraoperative technique to determine the status of a primary tumor. The procedure is based on the use of an external gamma probe, which generates an audio signal based on the direction and intensity of gamma radiation to guide the surgeon to the location of the SLNs. This method, however, does not provide any...
Conference Paper
Additive manufacturing is widely used in the meantime for medical device developments. Specially the BioDesign process with strong user integration and feedback loops benefits from fast prototyping. In this work, an innovative conceptual design of revolving biopsy needle is CAD modelled using SolidWorks software and subsequently 3D printed. The mat...
Article
Full-text available
The location of a puncture needle’s tip and the resistance of tissue against puncture are crucial information for clinicians during a percutaneous procedure. The tip location and needle alignment can be observed by image guidance. Tactile information caused by tissue resistance to rupture, allow clinicians the perception of structural changes durin...
Article
Full-text available
Phantoms mimicking special physiological processes of the human body are essential for evaluating prototypes of medical devices. Especially for thermometric MRI measurements, the temperature distribution in the brain needs to be simulated. Since this parameter is dependent on the tissue perfusion, a new hydrogel by MAGDASSIS et al. was evaluated in...
Article
Full-text available
Background: The magnetic resonance imaging (MRI) environment with its high-strength magnetic fields requires specialized and sometimes sophisticated solutions for otherwise simple problems. One of these problems is MR-compatible actuator mechanisms that transfer a signal into an action. Purpose: Normal actuators are based on a magnetic effect (eg,...
Article
Full-text available
Robotic minimally invasive surgery (RMIS) has played an important role in the last decades. In traditional surgery, surgeons rely on palpation using their hands. However, during RMIS, surgeons use the visual-haptics technique to compensate the missing sense of touch. Various sensors have been widely used to retrieve this natural sense, but there ar...

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