Multiplexed medical device lead with standard header
First Claim
1. A method for transmitting a pacing pulse from a pulse generator to an electrode and transmitting sensor data from a sensing circuit to the pulse generator using at least one switch and a shared conductor in a cardiac stimulus device lead, wherein the lead includes the sensing circuit external to the pulse generator and the sensing circuit is adapted to prepare the sensor data for output to the pulse generator, comprising:
- electrically connecting the shared conductor to the electrode, electrically disconnecting the shared conductor from the sensing circuit, and transmitting the pacing pulse using the shared conductor to the electrode when the shared conductor is electrically connected to the electrode and electrically disconnected from the sensing circuit; and
electrically connecting the shared conductor to the sensing circuit and electrically disconnecting the shared conductor from the electrode, and transmitting the sensor data using the sensing circuit and the shared electrode when the shared conductor is electrically connected to the sensing circuit and electrically disconnected from the electrode.
0 Assignments
0 Petitions
Accused Products
Abstract
Systems and methods for providing a cardiac stimulus device lead with additional sensing capabilities without violating header standards is disclosed. A cardiac stimulus device lead is provided according to one aspect. According to one embodiment, the lead includes a first conductor and a second conductor for transmitting an electrical pulse from a pulse generator. The lead further includes a multiplexer switch, a first electrode, a second electrode, a sensing circuit and a controller. The first conductor is connected to the multiplexer switch. A first terminal of the multiplexer switch is connected to the first electrode and a second terminal of the multiplexer switch is connected to the sensing circuit. The second conductor is connected to the second electrode. The controller is connected to the multiplexer switch, and is adapted to selectively connect the first conductor to one of the first electrode and the sensing circuit.
-
Citations
36 Claims
-
1. A method for transmitting a pacing pulse from a pulse generator to an electrode and transmitting sensor data from a sensing circuit to the pulse generator using at least one switch and a shared conductor in a cardiac stimulus device lead, wherein the lead includes the sensing circuit external to the pulse generator and the sensing circuit is adapted to prepare the sensor data for output to the pulse generator, comprising:
-
electrically connecting the shared conductor to the electrode, electrically disconnecting the shared conductor from the sensing circuit, and transmitting the pacing pulse using the shared conductor to the electrode when the shared conductor is electrically connected to the electrode and electrically disconnected from the sensing circuit; and electrically connecting the shared conductor to the sensing circuit and electrically disconnecting the shared conductor from the electrode, and transmitting the sensor data using the sensing circuit and the shared electrode when the shared conductor is electrically connected to the sensing circuit and electrically disconnected from the electrode. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
-
-
12. A method for periodically transmitting a pacing pulse from a pulse generator to an electrode and transmitting sensor data from a sensing circuit to the pulse generator using a shared conductor in a cardiac stimulus device lead, comprising:
-
transmitting the pacing pulse to the electrode using the shared conductor during a first time slot of a pulse period, including electrically connecting the shared conductor to the electrode and electrically disconnecting the shared conductor from the sensing circuit in preparation to transmit the pacing pulse; transmitting sensor data acquired during a preceding pulse period from the sensing circuit to the pulse generator using the shared conductor during a second time slot of the pulse period, including electrically connecting the shared conductor to the sensing circuit and electrically disconnecting the shared conductor from the electrode in preparation to transmit the previously-acquired sensor data; transmitting an active discharge pulse to the electrode using the shared conductor during a third time slot of the pulse period, including electrically connecting the shared conductor to the electrode and electrically disconnecting the shared conductor from the sensing circuit in preparation to transmit the pacing pulse; and acquiring sensor data using the electrode during a fourth time slot of the pulse period, including storing the sensor data in the sensor circuit. - View Dependent Claims (13, 14)
-
-
15. A method, comprising:
-
generating a pacing pulse for transmission on a cardiac stimulus device lead; processing sensor data at the lead using a sensor circuit external to a pulse generator, wherein processing the sensor data includes preparing the sensor data for output to the pulse generator; outputting sensor data for transmission on the lead using at least one switch; initiating an active discharge pulse for transmission on the lead; and preparing for a subsequent pacing pulse. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36)
-
Specification