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Chapter and Conference Paper
A New Pneumatic Pad Controlled by Means of an Integrated Proportional Valve
Aerostatic air bearings have the advantages of supporting loads with no friction and wear and for this feature they are extensively adopted in metrology as they allow very precise motion. The possibility of in...
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Chapter and Conference Paper
A Lumped Model for Grooved Aerostatic Pad
Air pads are often embedded into robotic devices for manufacturing and measuring applications. Investigating the performance of these pads is essential to obtain robot characterized by very accurate motions an...
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Chapter and Conference Paper
Inverted Pendulum on a Cart Pneumatically Actuated by Means of Digital Valves
This paper deals with an inverted pendulum mounted on a sliding cart pneumatically actuated. Low cost digital pneumatic valves driven by PWM technique are used. The control system uses three nested PID regula...
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Chapter and Conference Paper
On Superoscillations Longevity: A Windowed Fourier Transform Approach
In this paper we prove that the evolution of a superoscillating sequence of functions Y N (x), which we take as the initial value of the Schrödinger equation, r...
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Chapter
Some Results on the Identification of Memory Kernels
The present paper is base on a talk given by one of the authors to the 7th International ISAAC Congress held in London, UK, in 2009. A few years ago the authors have introduced a strategy to prove global in ti...
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Chapter
An Inverse Problem for a Phase-field Model in Sobolev Spaces
We prove an existence and uniqueness result for an inverse problem arising from a phase-field model with two memory kernels. More precisely, we identify the convolution memory kernels and the diffusion coeffic...
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Chapter and Conference Paper
Micro-endoscopic-discectomy (MED) for far lateral disc herniation in the lumbar spine. Technical note
This study describes a new experience of the authors in the treatment of extraforaminal disc herniation via the micro-endoscopic far lateral approach to establish a less traumatic approach to extraforaminal di...
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Chapter and Conference Paper
Sympathetic and Vagal Fibrillation: Do They Exist?
Atrial fibrillation is a major clinical problem, not only because it involves a growing number of patients with different arrhythmia-related symptoms, but also because of its social and economic impact. Patien...
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Chapter and Conference Paper
Atrial Fibrillation and Flutter: Sympathetic Nervous System and Arrhythmogenesis
In the last few years, several studies have investigated the role of autonomic dysfunction in atrial fibrillation (AF) onset. In most instances, particularly in subjects with paroxysmal AF, a distinct proarrhy...
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Chapter and Conference Paper
The Role of Decompressive Craniectomy in the Treatment of Uncontrollable Post-Traumatic Intracranial Hypertension
The benefit of decompressive craniectomy for the treatment of uncontrolled post-traumatic intracranial hypertension seems to be encouraging if medical management fails. We present our experience in 22 cases of...
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Chapter
ATP Depletion: A Possible Role in the Pathogenesis of Uric Acid Nephrolithiasis in the Elderly
Undue acidity of the urine attributed to a deficiency in renal ammoniogenesis has been claimed to be prevalent in certain groups of patients who may form uric acid stones even in the absence of hyperuricosuria1.
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Chapter and Conference Paper
Development of a Second Generation Stereotactic Apparatus for Linear Accelerator Radiosurgery
Linear accelerator radiosurgery technique is based on a multiple intersecting arc irradiations procedure. The coincidence of the axis of two rotation movements (of gantry and treatment couch) into the isocente...
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Chapter and Conference Paper
Stereotactic External Radiotherapy for Gliomas: Technique, Dosimetry, Results
Stereotactic irradiation techniques have recently modified to a great extent the therapeutic approach to some brain tumours [1–13]. According to the observation by Szikla [13] that “high dose focal irradiation...
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Chapter and Conference Paper
Linear Accelerator Radiosurgery: Technical Note
Single-dose, stereotactically focalized, external irradiation (radiosurgery) has gained wide acceptance in neurosurgery as a useful and safe technique for dealing with neurological diseases, intracranial tumor...
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Chapter
New Approaches to the Study of Cerebral Ischemia in Man Using Single Photon Labeled Indicators
Our understanding of the pathophysiology of brain ischemia has greatly increased over the past decade. Recently the development of emission tomography has stimulated new investigative work in this area designe...
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Chapter and Conference Paper
Tissue Mechanical Resistance Measurements and Records in Stereotactic Biopsy Procedures
In previous reports the authors have described a fully motorized, Computer driven, stereotactic apparatus1, 5. In a following step a constant velocity dynamometer was built6, and connected with the aim of recordi...
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Chapter and Conference Paper
Clinical Application of an Original Stereotactic Apparatus
Within the last years, many computer assisted stereotactic procedures have been developed. The next step toward a completely automatized operation would be the introduction of a new stereotactic system mechani...
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Chapter and Conference Paper
Posterior Selective Spinal Thermorhizotomy for Control of Intractable Pain Syndroms
In cases of chronic pain involving rather few metamers or roots with a. minor functional relevance, posterior rhizotomy has become a widely performed operation. However, its inevitable consequences, such as co...
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Chapter and Conference Paper
Evaluation of Sleep EEG Alterations During Posttraumatic Coma in Order to Predict Cognitive Defects
Because of the large number of young people affected by severe cerebral traumatic lesions, the problem of predicting and treating residual neuropsychological deficits has recently been emphasized by several au...
