摘要:
A rechargeable implantable medical device with an external recharging coil carried on the medical device proximal face. The recharging coil can be attached to the medical device housing physically, or chemically, or a combination of both physically and chemically. The recharging coil electrically couples through housing electrical feedthroughs to electronics configured to perform a therapy and a rechargeable power source both carried inside the medical device housing. Additionally methods for attaching the external recharging coil to an implantable medical device are disclosed. The rechargeable implantable medical device can be a medical devices such as a neuro stimulators, drug delivery pumps, pacemakers, defibrillators, diagnostic recorders, cochlear implants, and the like.
摘要:
An Electrically Erasable Programmable Read Only Memory (EEPROM) memory cell and a method of operation are disclosed for creating an EEPROM memory cell in a standard CMOS process. A single polysilicon layer is used in combination with lightly doped MOS capacitors. The lightly doped capacitors employed in the EEPROM memory cell can be asymmetrical in design. Asymmetrical capacitors reduce area. Further capacitance variation caused by inversion can also be reduced by using multiple control capacitors. In addition, the use of multiple tunneling capacitors provides the benefit of customized tunneling paths.
摘要:
An implantable medical device having an implantable power source such as a rechargeable lithium ion battery. The implantable medical device includes a recharge module that regulates the recharging process of the implantable power source using closed-loop feedback control. The recharge module includes a recharge regulator, a recharge measurement device monitoring at least one recharge parameter, and a recharge regulation control unit for regulating the recharge energy delivered to the power source in response to the recharge measurement device. The recharge module adjusts the energy provided to the power source to ensure that the power source is being recharged under safe levels.