Michael Spangenberg

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BACKGROUND Interspinous stand-alone implants are inserted without open decompression to treat symptomatic lumbar spinal stenosis (LSS). The insertion procedure is technically simple, low-risk, and quick. However, the question remains whether the resulting clinical outcomes compare with those of microsurgical decompression, the gold standard. MATERIAL AND(More)
BACKGROUND Hemolysis associated with hemodialysis is rare. The most frequent causes of hemodialysis-associated hemolysis are chemical contamination, heat, or mechanical injury of erythrocytes from occluded or kinked hemodialysis blood lines. When patients in three states developed hemolysis while undergoing hemodialysis between May 13 and 23, 1998, an(More)
A long-term goal in current robotic research is the development of intuitive interfaces for human-robot interaction. Here, one field of application are object manipulation tasks. Such tasks consist of grasping, moving, and placing objects [1]. In this work, we focus on the subtask of moving an object, which is also called the handling of the object. We(More)
One long term goal of robotic research is the development of robot systems, which have approximately the same cognitive, communicational, and manipulative abilities like humans and which can be operated by non-experts. The usage by non-experts sets additional requirements to the abilities of a robot system. For instance, the system should be able to(More)
One long term goal of artificial intelligence research is the development of robot systems, which have approximately the same cognitive, communicational, and handling abilities like humans. For instance, a human-like communication requires an intuitive and symbolic user interface. Since actual robot control systems typically consist of subsymbolic(More)
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