Patent ID: 6216537
Filing Date: 2001-04-17
Classification: A61B,A61N,G01P,H05K

Abstract:
A method for providing a medical device including an accelerometer, the method comprising the steps of:providing a medical device having a housing;providing a substrate, the substrate defining a mounting plane and including two or more surface mount contact pads;providing an accelerometer device to be mounted on the substrate, wherein providing the accelerometer device includes:providing an accelerometer sensing element having an axis of sensitivity, wherein the accelerometer sensing element includes a device body having a longitudinal axis extending between generally parallel first and second ends thereof, wherein the accelerometer device further has a first principal surface extending between the first and second ends of the device body parallel to the longitudinal axis, wherein the axis of sensitivity is perpendicular to a plane defined by the first principal surface, and further wherein the accelerometer sensing element includes two or more conductive pad regions on each of the first and second ends of the device body,providing a first and a second multilayer end cap, wherein each of the first and second multilayer end caps includes two or more conductive elements on one side thereof and further includes two or more conductive traces electrically connected to the two or more conductive elements thereof, each of the two or more conductive traces of each of the first and second multilayer end caps terminating at a surface mount contact regions along at least one edge thereof, andattaching the first and second multilayer end caps to the first and second ends of the device body, respectively, with the conductive elements of the first and second multilayer end caps in electrical contact with the conductive pad regions of the first and second ends of the device body;mounting the accelerometer device on the substrate with the surface mount contact regions electrically connected to the two or more surface mount contact pads of the substrate such that the axis of sensitivity of the accelerometer sensing element is perpendicular to the mounting plane defined by the substrate; andenclosing the substrate having the accelerometer device mounted thereon in the housing of the medical device.