SMI (Silicon Microstructures, Inc.) recently launched the new IntraSense™ product line at the Minimally Invasive Surgery Week conference, sponsored by the Society of Laparoendoscopic Surgeons. IntraSense™ features biocompatible pressure sensors that fit into 1-French tubing; the sensors are shipped with pre-attached and pre-encapsulated wiring to simplify integration. SMI is also sampling custom calibration solutions that can be designed to work with customers’ existing equipment. SMI has shipped millions of 1-French sensors for minimally invasive surgery, and the IntraSense™ design represents a step forward both in sensor performance as well as ease of implementation.
The IntraSense™ product line will benefit minimally invasive surgical procedures by allowing pressure measurements directly in many spaces throughout the anatomy. It can move through tortuous anatomy to measure intracranial pressure, intrauterine pressure, endovascular pressure and renal pressure. Glaucoma monitoring, biopsies, emergency surgery and biliary pressure monitoring are other areas where the IntraSense™ products might be used to provide the least invasive monitoring available.
Unique FEA-assisted electro-mechanical design along with advanced MEMS processing in SMI’s captive fabrication facility contribute to the high stability obtained by the sensor, which will guarantee offset drift of less than 3mmHg per hour. Provided in wire-attached die form, these sensors can be retrofitted to existing laparoscopic equipment or allow new designs with smaller design rules. Calibrated sensors, which eliminate the need for autozeroing or calibration by the surgeon, can be integrated into the customer’s electronics or provided as a separate plugin board.
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