Patent ID: 11944495
Assignee: FOUNDRY INNOVATION & RESEARCH 1, LTD.
Field: Medical technology (Instruments)
Classification: CPC A  G | IPC A

Claim 20:
21. An implantable ultrasonic vascular sensor configured to be implanted in a patient's inferior vena cava (IVC) at a fixed location within the IVC, comprising:
at least one ultrasound transducer;
a transducer drive circuit;
an implantable support structure configured to be implanted within the IVC in contact around a wall of the IVC and to move with physiological expansion and contraction of the IVC wall, wherein said at least one transducer and transducer drive circuit are supported on the support structure, said at least one ultrasound transducer supported to move with said physiological expansion and contraction of the IVC wall when the support structure moves therewith;
at least one passive reflector to reflect a signal from the at least one ultrasound transducer supported by said implantable support structure; and
means for wirelessly transmitting ultrasound data from the at least one ultrasound transducer.