Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 327 for “"Implantable"”.
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Biopsy-implantable chemical sensor
There is a dire need for tools that can rapidly detect cancer treatment efficacy. A cancer patient must endure the side effects of chemotherapy and radiotherapy. It will be weeks before a change in the size of the tumor can be observed and the oncologist has the information necessary to determine …
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Wireless Telemetry System for Implantable Sensors
… has revealed two major limitations with wireless implantable systems: a) the current size of implantable electronics limits the physical size of the system to larger subjects; and b) the systems only interface with one sensor type (e.g., pressure sensor only). This research focuses on the design …
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Implantable ferrite antenna for biomedical applications
We have developed an implantable microstrip patch antenna with dimensions of 10×10×1.28 mm, operating around the Industrial, Scientific and Medical (ISM) band (2.4 – 2.5 GHz). The antenna is characterized in skin-mimicking gels and compared with simulation results. The experimental measurements are …
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Electrospun membranes for implantable glucose biosensors
… was to apply electrospun biomimetic coatings on implantable glucose biosensors and test their efficacy as mass-transport limiting and tissue engineering membranes, with special focus on achieving reliable and long sensing life-time for biosensors when implanted in the body. The 3D structure of …
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Mass transport in implantable medical devices
Thesis (Ph. D.)--Massachusetts Institute of Technology, Whitaker College of Health Sciences and Technology, 1998.
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Development of implantable devices for schizophrenia treatment
… the nose to the brain. Therefore, intranasal implantable devices containing RIS was developed in this thesis to provide improved treatment of schizophrenia. This approach combines the advantages of implantable drug delivery systems and intranasal drug delivery systems. These implants can …
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A miniature, implantable wireless neural stimulation system
… through a computer interface, and a miniature, implantable wireless receiver and stimulator. The implant is tailored for use in zebra finches - small birds weighing just 12-15g - as part of ongoing research into the neural mechanisms of sequence generation and learning. The implant, assembled on …
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Biocompatibility of an implantable ophthalmic drug delivery device
… associated with this method, several implantable, timed release devices have been investigated to deliver these drugs directly to affected areas. Draper Laboratory and Massachusetts Eye and Ear Infirmary have proposed an implantable, fully programmable, mechanical device for long-term …
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Improving Implantable Medical Device Security Through Cooperative Jamming
Implantable medical devices (IMDs) are medically necessary devices embedded in a human body that monitor chronic disorders or automatically deliver therapies, such as insulin pumps or pacemakers. Typically, they are small form-factor devices with limited battery and processing power. Most IMDs have …
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The Development Of Mems-Based Implantable Oxygen Sensing Systems
Oxygen-based cues are direct assessments for a wide range of in vivo biological effects, ranging from mitochondrial disease to tissue engineering/regenerative medicine. Existing electrochemical oxygen sensors are permanent systems applicable to short-term intraoperative use; devices are extracted …
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Model Validation and Inversion of Active Implantable Medical Devices
The model validation and inversion for active implantable medical devices (AIMD) used for safety evaluations under magnetic resonance imaging (MRI) radio frequency (RF) coil emission were discussed. A mathematical derivation is presented to provide guidance on selecting meaningful pathways for the …
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Women’s experiences of living with an implantable cardioverter defibrillator
Implantable cardioverter defibrillators (ICDs) are used to treat lethal arrhythmias in patients identified as at risk of sudden cardiac death and can form an additional part of a cardiac resynchronisation therapy device (CRT) which is used for the treatment of heart failure. These cardiac devices …
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ST Monitoring on the Programmer for Implantable Cardioverter Devices
… of the disease. In order to support the new implantable devices with ST Monitoring capability, the programmer software was updated to support this new feature in the device. This thesis discusses the work on the programmer. Chapter 1 begins with a background of how monitoring technology in an …
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Long-term, subdermal implantable EEG recording and seizure detection
… to address this need by proposing a subdermal implantable, eight-channel EEG recorder and seizure detector that has two modes of operation: diagnosis and seizure counting. In the diagnosis mode, EEG is continuously recorded with a 500 Hz bandwidth. This bandwidth is five times higher than …
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An energy-efficient wireless data link for implantable electronics
… are important for the development of long-term implantable neural prostheses. Furthermore, in implanted systems with many neural recording electrodes, the data rate of the wireless link will need to be quite high since each recording electrode can produce about 120 kbps of data. For low-power …
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