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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0168725 (1993-12-16) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 1005 인용 특허 : 0 |
A method and apparatus for providing an enhanced capability of detecting and gathering electrical cardiac signals via an array of relatively closely spaced subcutaneous electrodes (located on the body of an implanted device) which may be employed with suitable switching circuits, signal processors,
A method and apparatus for providing an enhanced capability of detecting and gathering electrical cardiac signals via an array of relatively closely spaced subcutaneous electrodes (located on the body of an implanted device) which may be employed with suitable switching circuits, signal processors, and memory to process the electrical cardiac signals between any selected pair or pairs of the electrode array in order to provide a leadless, orientation insensitive means for receiving the electrical signal from the heart. This far-field EGM may be used to provide storage and analysis of arrhythmic events and to provide control signals for the delivery of various therapies including pacing, cardioversion and defibrillation therapies as well as the delivery of antiarrhythmic drugs, and, in the pacing context, to effect capture detection and automatic stimulation threshold adaption, recording of PMT episodes, measurement of refractory periods in order to set timing windows for antitachy pacing therapies, and as a control signal for use in adjusting pacing rate to physiologic demand.
An apparatus for monitoring cardiac signals, comprising: a hermetically sealed housing; first and second pairs of electrodes mounted to said housing; sensing means, located within said housing, for sensing cardiac signals; command means, located outside said housing, for providing command signals in
An apparatus for monitoring cardiac signals, comprising: a hermetically sealed housing; first and second pairs of electrodes mounted to said housing; sensing means, located within said housing, for sensing cardiac signals; command means, located outside said housing, for providing command signals indicative of which of said first and second electrode pairs are to be coupled to said sensing means; selecting means, located within said housing and responsive to said command signals, for selectively coupling said first and second electrode pairs to said sensing means; processing means, located within said housing, for processing and converting said sensed cardiac signals into data signals; and means for storing said data signals.
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