Disposable protective overlay covering for biomedical sensors
First Claim
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1. A biomedical sensor overlay covering, comprising:
- an electrically conductive contact pad substrate layer having a body-directed surface with an adhesive that adheres to skin of a subject;
an electrically insulating substrate layer having a first surface that is coupled to a surface of the contact pad substrate layer that is opposite to the body-directed surface;
a cushioning substrate layer coupled to the first surface of the electrically insulating substrate layer; and
an electrostatic shield substrate layer coupled to a second surface of the electrically insulating substrate layer that is opposite to the first surface of the electrically insulating substrate layer, the electrostatic shield substrate layer having a retaining region that is shaped to retain and encase a biomedical sensor, wherein the electrostatic shield substrate layer shields the biomedical sensor from external electrical fields and, through an electrical contact with the skin of the subject established with the electrically conductive contact pad, dissipates accumulation of electrostatic charge into a body of the subject, and wherein the cushioning layer makes mechanical contact with the electrically insulating substrate layer at an area corresponding to the retaining region to suppress movement artifact.
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Abstract
A disposable, low profile sensor overlay covering for use with biomedical sensors and which includes a framework of flexible component layers supporting an arrangement of electrostatic shielding, insulating, cushioning, and electrically conductive adhesive substrate components configured to form a protective covering encasing the sensor. The combination of component layers provides a means to stabilize the relative position of the sensor with respect to the skin and reduce the potential for sensor dislodgment. The mechanical and electrical configurations act in synergy to shield the sensor from external electrical fields and suppress movement artifact.
27 Citations
27 Claims
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1. A biomedical sensor overlay covering, comprising:
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an electrically conductive contact pad substrate layer having a body-directed surface with an adhesive that adheres to skin of a subject; an electrically insulating substrate layer having a first surface that is coupled to a surface of the contact pad substrate layer that is opposite to the body-directed surface; a cushioning substrate layer coupled to the first surface of the electrically insulating substrate layer; and an electrostatic shield substrate layer coupled to a second surface of the electrically insulating substrate layer that is opposite to the first surface of the electrically insulating substrate layer, the electrostatic shield substrate layer having a retaining region that is shaped to retain and encase a biomedical sensor, wherein the electrostatic shield substrate layer shields the biomedical sensor from external electrical fields and, through an electrical contact with the skin of the subject established with the electrically conductive contact pad, dissipates accumulation of electrostatic charge into a body of the subject, and wherein the cushioning layer makes mechanical contact with the electrically insulating substrate layer at an area corresponding to the retaining region to suppress movement artifact. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27)
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Specification