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US 11,026,590 B2Granted
Wireless MEMS left atrial pressure sensor
AssigneePacesetter, Inc.
InventorsPhong D. Doan, Apratim Dixit
Life of this patent
Estimating the term…
Abstract
Systems for monitoring left atrial pressure using implantable cardiac monitoring devices and, more specifically, to a left atrial pressure sensor implanted through a septal wall are presented herein.
Claims20
A method of implanting a wireless and leadless left atrial pressure measurement device into a left atrium of a patient, the method comprising:
- attaching the device to a catheter comprising a catheter proximal end, a catheter distal end, and a tether protruding from the catheter distal end, the device including a sensor and a plurality of anchoring elements, each of the plurality of anchoring elements including a free end and an attached end attached to a proximal portion of the sensor, wherein the tether is attached to at least one of the proximal portion of the sensor or the free end of at least one of the plurality of the anchoring elements;
- situating the device and the catheter within a lumen of a sheath having a sheath proximal end and a sheath distal end such that each of the plurality of anchoring elements is in an undeployed configuration within the lumen and the tether extends from the device in a proximal direction toward the catheter;
- advancing the catheter, sheath, and device to extend the device through a hole formed in the atrial septum from the right atrium into the left atrium.
A method of implanting a wireless and leadless left atrial pressure measurement device into a left atrium of a patient, the method comprising:
- attaching the device to a catheter comprising a catheter proximal end, a catheter distal end, and a tether protruding from the catheter distal end, the device comprising a sensor, at least one proximal anchoring element, and at least one distal anchoring element, each anchoring element comprising a free end and an attached end attached to the sensor, wherein the tether is attached to each free end of each of the at least one proximal anchoring elements;
- situating the device and the catheter within a lumen of a sheath comprising a sheath proximal end and a sheath distal end, wherein:
- each of the at least one distal anchoring elements is situated nearest to the sheath distal end in a first folded configuration extending in a distal direction within the lumen;
- each of the at least one proximal anchoring elements is situated in a second folded configuration extending in a proximal direction within the lumen;
- and the tether extending from the device in a proximal direction toward the catheter;
- and
- advancing the catheter, sheath, and device to extend the device through a hole formed in the atrial septum from the right atrium into the left atrium.
4 more elements
A method of implanting a wireless and leadless left atrial pressure measurement device into a left atrium of a patient, the method comprising:
- attaching the device to a catheter comprising a catheter proximal end, a catheter distal end, and a tether protruding from the catheter distal end, the device including a sensor and a plurality of anchoring elements, each of the plurality of anchoring elements including a free end and an attached end attached to the sensor;
- situating the device and the catheter within a lumen of a sheath having a sheath proximal end and a sheath distal end such that each of the plurality of anchoring elements is in an undeployed configuration within the lumen and the tether extends from the device in a proximal direction toward the catheter;
- advancing the catheter, sheath, and device to extend the device through a hole formed in the atrial septum from the right atrium into the left atrium;
- retracting the sheath to expose a first anchoring device of the plurality of anchoring devices within the right atrium and to deploy the first anchoring element within the right atrium;
- situating the first anchoring element against a right wall of the atrial septum;
- and
- further retracting the sheath to expose a second anchoring element of the plurality of anchoring devices, and to deploy the second anchoring element within the right atrium.
4 more elements
Dependencies are inferred from the claim text.