Bioelectrical guidance for anchoring

A system (500) includes an anchor (32), a delivery tool (510), and a data processing system (521). The delivery tool is configured to deliver the anchor to the heart of the subject and to drive the anchor into tissue (10) of the heart. The data processing system is adapted to receive, via the delivery tool, a first electrical signal from the anchor at the tissue after the delivery tool delivers the anchor to the heart, the anchor acting as an electrode. The data processing system is adapted to receive, via the delivery tool, a second electrical signal from a distal portion of the delivery tool within the heart. The data processing system is adapted to determine a position of the anchor within the heart in response to both the first signal and the second signal, and to provide an output indicative of the position. Other embodiments are also disclosed. 一种系统(500)包括锚固件(32)、递送工具(510)和数据处理系统(521)。递送工具配置成将锚固件递送到受试者的心脏，以及将锚固件驱动到心脏的组织(10)中。数据处理系统适于在递送工具将锚固件递送到心脏之后，经由递送工具从组织处的锚固件接收第一电信号，锚固件充当电极。数据处理系统适于经由递送工具从心脏内的递送工具的