Name
Title | ||
|---|---|---|
Non-Invasive Electromagnetic Skin Patch Sensor to Measure Intracranial Fluid-Volume Shifts. |
Abstract | ||
|---|---|---|
Elevated intracranial fluid volume can drive intracranial pressure increases, which can potentially result in numerous neurological complications or death. This study's focus was to develop a passive skin patch sensor for the head that would non-invasively measure cranial fluid volume shifts. The sensor consists of a single baseline component configured into a rectangular planar spiral with a self-resonant frequency response when impinged upon by external radio frequency sweeps. Fluid volume changes (10 mL increments) were detected through cranial bone using the sensor on a dry human skull model. Preliminary human tests utilized two sensors to determine feasibility of detecting fluid volume shifts in the complex environment of the human body. The correlation between fluid volume changes and shifts in the first resonance frequency using the dry human skull was classified as a second order polynomial with R-2 = 0.97. During preliminary and secondary human tests, a approximate to 24 MHz and an average of approximate to 45.07 MHz shifts in the principal resonant frequency were measured respectively, corresponding to the induced cephalad bio-fluid shifts. This electromagnetic resonant sensor may provide a non-invasive method to monitor shifts in fluid volume and assist with medical scenarios including stroke, cerebral hemorrhage, concussion, or monitoring intracranial pressure. |
Year | DOI | Venue |
|---|---|---|
2018 | 10.3390/s18041022 | SENSORS |
Keywords | Field | DocType |
dielectrics,health monitoring systems,intracranial pressure sensors,microwave sensors,point-of-care technologies,volume measurement,wearable sensors | Biomedical engineering,Skin patch,Spiral,Frequency response,Human skull,Resonant sensor,Intracranial pressure,Electronic engineering,Radio frequency,Cranial bone,Engineering | Journal |
Volume | Issue | ISSN |
18 | 4.0 | 1424-8220 |
Citations | PageRank | References |
2 | 0.45 | 5 |
Authors | ||
7 | ||
Name | Order | Citations | PageRank |
|---|---|---|---|
| Jacob L. Griffith | 1 | 2 | 0.79 |
| Kim Cluff | 2 | 5 | 1.99 |
| Brandon Eckerman | 3 | 2 | 0.45 |
| Jessica Aldrich | 4 | 2 | 0.45 |
| Ryan Becker | 5 | 2 | 0.45 |
| Peer Moore-Jansen | 6 | 2 | 0.45 |
| Patterson Jeremy | 7 | 5 | 0.98 |