摘要:
An improved battery design which is particularly suitable for use in an implantable medical device is disclosed. The design utilizes a two-part case for the battery contents which allows freedom with respect to feedthrough locations and battery shape.
摘要:
An assembly integrating commercially available capacitors into filtered feedthroughs. A feedthrough assembly comprises a plurality of Input/Output (I/O) conductors, wherein the I/O conductors pass through a hermetic seal such that a first end of the I/O conductors reside on a non-hermetic side of the hermetic seal and a second end of the I/O conductors reside on a hermetic side of the hermetic seal, a printed circuit interconnect substrate residing on the hermetic side of the hermetic seal, and a plurality of ceramic chip capacitors mounted on the printed circuit interconnect substrate, wherein a first end of each capacitor is connected via the interconnect to the second end of an I/O conductor and a second end of each capacitor is connected via the interconnect to a constant voltage level.
摘要:
A method of fabricating implantable electronic medical devices eliminates the use of a backfill tube on the header or feed-through by reconfiguring the device's lead connector block anchor so as to provide it with a plug that can be used to seal an aperture in the device's header following removal of undesirable welding gases and replacement with an inert gas with a high breakdown resistance.
摘要:
A body implantable retaining assembly for forming an electrical or mechanical connection between a medical device and a lead is discussed herein. A first bore is formed in a housing of the device for receiving a lead terminal portion. A second bore is also formed in the device housing, which opens to the first bore and to an exterior housing surface. A retaining assembly is mounted within the second bore and is positioned to align with a lead terminal pin or a lead terminal ring. The retaining assembly is adjustable by an instrument, thereby allowing engagement and securing of the lead and the housing. A seal member provides electrical and fluid isolation of the retaining assembly from bodily fluids located proximate to the housing exterior surface. The seal member is disposed in the second bore between the retaining means and the exterior housing surface and includes a lubricated passage therethrough.
摘要:
An implantable medical device such as a cardiac pacemaker with a telemetry coil located in the device header rather than the conductive housing. The telemetry coil has a core made of magnetically permeable material such as ferrite in order to increase the efficiency of the coil and lessen space requirements.