Bi-stable medical sensor

A - Human Necessities – 61 – B

Patent

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A61B 5/1455 (2006.01)

Patent

CA 2618601

A bi-stable sensor is provided that includes a frame upon which electrical and optical components may be disposed and a coating, such as an overmold coating, provided about the frame. A resistance-providing component is provided integral with or external to the coated bi-stable sensor such that the bi- stable sensor has two mechanically stable configurations that may be transitioned between by overcoming the resistance provided by the resistance- providing component and/or the by the coating, hi one embodiment, the resistance-providing component comprises an elastic band provided about a hinge of the frame, either within or external to the coating, hi one embodiment, the sensor may be placed on a patient's finger, toe, ear, and so forth to obtain pulse oximetry or other physiological measurements.

Capteur bistable qui comprend un cadre sur lequel on peut disposer des éléments électriques et optiques, et un revêtement, du type revêtement de surmoulage, autour du cadre. Un élément de résistance est intégré au capteur bistable revêtu, ou installé comme élément externe, de sorte que le capteur bistable puisse prendre deux configurations mécaniquement stables, une fois vaincue la résistance assurée par ledit élément et/ou par le revêtement. Selon une variante, l'élément en question comprend une bande élastique établie autour d'une charnière du cadre, soit en intégration avec le revêtement soit sous forme externe rapportée, et le capteur peut être placé sur un doigt, un doigt de pied, une oreille, etc. du patient, permettant d'effectuer des mesures de sphygmo-oxymétrie ou d'autres mesures physiologiques.

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