发明授权
- 专利标题: Dynamic adaptive respiration compensation with automatic gain control
- 专利标题(中): 动态自适应呼吸补偿与自动增益控制
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申请号: US12980515申请日: 2010-12-29
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公开(公告)号: US09113807B2公开(公告)日: 2015-08-25
- 发明人: Lev A. Koyrakh , Eric J. Voth , John A. Hauck , Jeffrey A. Schweitzer
- 申请人: Lev A. Koyrakh , Eric J. Voth , John A. Hauck , Jeffrey A. Schweitzer
- 申请人地址: US MN St. Paul
- 专利权人: St. Jude Medical, Atrial Fibrillation Division, Inc.
- 当前专利权人: St. Jude Medical, Atrial Fibrillation Division, Inc.
- 当前专利权人地址: US MN St. Paul
- 代理机构: Dykema Gossett PLLC
- 主分类号: A61B5/053
- IPC分类号: A61B5/053 ; A61B5/00 ; A61B5/06 ; H04L25/03 ; H04L25/02
摘要:
A system for determining a location of an electrode of a medical device (e.g., a catheter) in a body of a patient includes a localization block for producing an uncompensated electrode location, a motion compensation block for producing a compensation signal (i.e., for respiration, cardiac, etc.), and a mechanism for subtracting the compensation signal from the uncompensated electrode location. The result is a corrected electrode location substantially free of respiration and cardiac artifacts. The motion compensation block includes a dynamic adaptation feature which accounts for changes in a patient's respiration patterns as well as intentional movements of the medical device to different locations within the patient's body. The system further includes an automatic compensation gain control which suppresses compensation when certain conditions, such as noise or sudden patch impedance changes, are detected.