07945334 is referenced by 23 patents and cites 35 patents.

A rechargeable implantable medical device with a magnetic shield placed on the distal side of a secondary recharging coil to improve charging efficiency is disclosed. The rechargeable implantable medical device can be a wide variety of medical devices such as neuro stimulators, drug delivery pumps, pacemakers, defibrillators, diagnostic recorders, cochlear implants. The implantable medical device has a secondary recharging coil carried over a magnetic shield and coupled to electronics and a rechargable power source carried inside the housing. The electronics are configured to perform a medical therapy. Additionally a method for enhancing electromagnetic coupling during recharging of an implantable medical device is disclosed, and a method for reducing temperature rise during recharging of an implantable medical device is disclosed.

Title
Implantable medical device and electrical stimulation device with magnetic shield
Application Number
10/998485
Publication Number
7945334 (B2)
Application Date
November 29, 2004
Publication Date
May 17, 2011
Inventor
Mark E Schommer
Maple Grove
MN, US
James E Riekels
New Hope
MN, US
John E Kast
Hugo
MN, US
Guillermo Echarri
Miami
FL, US
Oscar Jimenez
Coral Gables
FL, US
Agent
IPLM Group P A
Assignee
Medtronic
MN, US
IPC
A61N 1/18
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