Valve implant with integrated sensor and transmitter
Sensor-integrated prosthetic valves that can comprise a variety of features, including a plurality of valve leaflets, a frame assembly configured to support the plurality of valve leaflets and define a plurality of commissure supports terminating at an outflow end of the prosthetic valve, a sensor device associated with the frame assembly and configured to generate a sensor signal, for example, a sensor signal indicating deflection of one or more of the plurality of commissure supports, and a transmitter assembly configured to receive the sensor signal from the sensor device and wirelessly transmit a transmission signal that is based at least in part on the sensor signal.
1. A prosthetic valve comprising:
a plurality of valve leaflets;
a frame assembly configured to support the plurality of valve leaflets;
an annular sealing ring disposed at an inflow end of the prosthetic valve;
a sensor device configured to sense a physiological parameter and provide a sensor signal; and
a transmitter assembly disposed proximate the annular sealing ring, the transmitter assembly comprising:
a magnetic core form; and
a conductive coil having a plurality of windings wrapped at least partially around the core form;
wherein the transmitter assembly is configured to receive the sensor signal from the sensor device and wirelessly transmit a transmission signal that is based at least in part on the sensor signal.
2. The prosthetic valve of claim 1 , wherein the core form is wrapped circumferentially around the prosthetic valve proximate to the annular sealing ring.
3. The prosthetic valve of claim 1 , wherein the plurality of windings are circumferentially wrapped around the core form.
4. The prosthetic valve of claim 1 , wherein the plurality of windings are configured generate electrical power in response to ultrasound transmission signals to which the plurality of windings are exposed.
5. The prosthetic valve of claim 1 , wherein the plurality of windings of the conductive coil wrap circumferentially around the core form.
6. The prosthetic valve of claim 1 , wherein the plurality of windings run longitudinally along a length of the core form.
7. The prosthetic valve of claim 1 , wherein each of the plurality of windings wraps around the frame assembly.
8. A prosthetic valve comprising:
a plurality of valve leaflets;
a frame assembly configured to support the plurality of valve leaflets;
an annular sealing ring disposed at an inflow end of the prosthetic valve;
a sensor device configured to sense a physiological parameter and provide a sensor signal; and
a transmitter assembly disposed proximate the annular sealing ring, the transmitter assembly comprising:
a core form comprising a hermetically-sealed, air-filled hollow tube; and
a conductive coil having a plurality of windings wrapped at least partially around the core form;
wherein the transmitter assembly is configured to receive the sensor signal from the sensor device and wirelessly transmit a transmission signal that is based at least in part on the sensor signal.
9. A system comprising:
a prosthetic valve configured to be implanted in a body of a patient, the prosthetic valve including:
a plurality of valve leaflets;
a frame assembly configured to support the plurality of valve leaflets;
an annular sealing ring disposed at an inflow end of the prosthetic valve;
a sensor device configured to sense a physical parameter and provide a sensor signal; and
a transmitter assembly disposed proximate the annular sealing ring, the transmitter assembly comprising a conductive coil having a plurality of windings, the conductive coil wrapping circumferentially around the frame assembly;
wherein the transmitter assembly is configured to receive the sensor signal from the sensor device and wirelessly transmit a transmission signal that is based at least in part on the sensor signal.
10. The system of claim 9 , further comprising an external transceiver device configured to wirelessly couple with the conductive coil from outside of the body of the patient.
11. The system of claim 10 , wherein the external transceiver device is configured to be worn around a chest of the patient.
12. The system of claim 10 , wherein the external transceiver device comprises a plurality of coil windings that are configured to be close to co-planar with the plurality of windings of the conductive coil of the transmitter assembly of the prosthetic valve.
13. The system of claim 10 , wherein the external transceiver device is configured to transmit power to the conductive coil of the transmitter assembly of the prosthetic valve.
14. The system of claim 9 , wherein an axis of the conductive coil runs circumferentially around the frame assembly.
15. The system of claim 9 , wherein each of the plurality of windings of the conductive coil wraps circumferentially around the frame assembly.
16. The system of claim 9 , further comprising an elongate core form wrapping circumferentially around the frame assembly, wherein:
the conductive coil is disposed on the core form; and
the core form is one of a magnetic core or a hollow tube.
17. The system of claim 16 , wherein the plurality of windings of the conductive coil wrap circumferentially around the core form.
18. The system of claim 16 , wherein the plurality of windings run longitudinally along a length of the core form.