Patent ID: 8712494
Filing Date: 2014-04-29
Classification: A61B

Abstract:
1. A non-invasive physiological sensor configured to be used in a patient monitoring system, the physiological sensor configured to monitor a physiological parameter at a tissue site, the physiological sensor comprising: at least one light emitting element configured to transmit light at a plurality of wavelengths, wherein a portion of the light is transmitted towards the tissue site and a portion of the light is transmitted in a different direction from the tissue site; at least one reflective frame positioned at least partially on one side of the light emitting element and electrically connected to the light emitting element, the at least one reflective frame being electrically conductive and comprising a cavity, the cavity configured to redirect at least a portion of the light transmitted in a different direction from the tissue site to the tissue site; and an encapsulate surrounding at least a portion of the reflective frame and the at least one light emitting element, the encapsulate configured to allow at least some of the light transmitted by the at least one light emitting element to pass through, the encapsulate comprising a top, a bottom and at least one edge.