최소 단어 이상 선택하여야 합니다.
최대 10 단어까지만 선택 가능합니다.
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
DataON 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Edison 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0098266 (2011-04-29) |
등록번호 | US-9072913 (2015-07-07) |
발명자 / 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 | 피인용 횟수 : 20 인용 특허 : 451 |
A leadless cardiac pacemaker comprises a housing, a plurality of electrodes coupled to an outer surface of the housing, and a pulse delivery system hermetically contained within the housing and electrically coupled to the electrode plurality, the pulse delivery system configured for sourcing energy
A leadless cardiac pacemaker comprises a housing, a plurality of electrodes coupled to an outer surface of the housing, and a pulse delivery system hermetically contained within the housing and electrically coupled to the electrode plurality, the pulse delivery system configured for sourcing energy internal to the housing, generating and delivering electrical pulses to the electrode plurality. The pacemaker further comprises an activity sensor hermetically contained within the housing and adapted to sense activity and a processor hermetically contained within the housing and communicatively coupled to the pulse delivery system, the activity sensor, and the electrode plurality, the processor configured to control electrical pulse delivery at least partly based on the sensed activity.
1. A method of pacing a patient's heart, comprising: sensing a parameter with a sensor hermetically contained within a housing of a leadless pacemaker implanted in the heart, wherein the leadless pacemaker comprises a plurality of electrodes formed integrally to the housing or coupled to the housing
1. A method of pacing a patient's heart, comprising: sensing a parameter with a sensor hermetically contained within a housing of a leadless pacemaker implanted in the heart, wherein the leadless pacemaker comprises a plurality of electrodes formed integrally to the housing or coupled to the housing at a maximum distance of 2 centimeters;generating electrical pulses with a pulse delivery system hermetically contained within the housing of the leadless pacemaker;delivering the electrical pulses through the electrodes of the leadless pacemaker to stimulate the heart at least partly based on the sensed parameter;generating encoded information signals within the leadless pacemaker;directly communicating the encoded information signals from the leadless pacemaker during a cardiac refractory period of the heart to a device external to the patient through the electrodes of the leadless pacemaker; andsourcing energy of no more than 75-80 microwatts instantaneously for generating the electrical pulses using a battery, wherein the peak power of the leadless pacemaker is less than or equal to 74 microwatts. 2. The method of claim 1 wherein the delivering step further comprises delivering the electrical pulses to the heart through electrodes of the leadless pacemaker at least partly based on the sensed parameter and partly based on communication signals received via the electrodes. 3. The method of claim 1 wherein the sensing step further comprises sensing temperature with the sensor of the leadless pacemaker. 4. The method of claim 1 wherein the sensing step further comprises sensing pressure with the sensor of the leadless pacemaker. 5. The method of claim 1 wherein the information signals are selected from a group consisting of programmable parameter settings, event counts, power-supply voltage, power-supply current, and rate-response control parameters adapted for converting a sensor signal to a rate-responsive pacing parameter. 6. The method of claim 1 wherein the communicating step further comprises communicating encoded information signals to the device in designated codes encoding the information in pacing pulse width. 7. The method of claim 1 further comprising: invoking a low-gain setting in a receiving amplifier/filter of the leadless pacemaker for normal operation and detecting presence of at least one pulse; andinvoking a high-gain setting for detecting and decoding information encoded in the detected at least one pulse. 8. The method of claim 1, wherein the step of generating encoded information signals within the leadless pacemaker-comprises generating notches in at least one timing window of at least one pacing pulse as the encoded information. 9. A method of pacing a patient's heart, comprising: sensing a parameter with a sensor hermetically contained within a housing of a leadless pacemaker implanted in the heart, wherein the leadless pacemaker comprises a plurality of electrodes formed integrally to the housing or coupled to the housing at a maximum distance of 2 centimeters;generating electrical pulses with a pulse delivery system hermetically contained within the housing of the leadless pacemaker;delivering the electrical pulses through the electrodes of the leadless pacemaker to stimulate the heart at least partly based on the sensed parameter;generating encoded information signals within the leadless pacemaker;directly communicating the encoded information signals from the leadless pacemaker during a cardiac refractory period of the heart to a device external to the patient through the electrodes of the leadless pacemaker, wherein the sensor is configured to operate with a power requirement of no more than 10 microwatts.
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