Systems, devices and methods for monitoring current in a rotational medical device and led monitoring and display arrays for annunciating current and peak values of a monitored variable
AssigneeCardiovascular Systems, Inc.
InventorsMatthew W. Tilstra, Nicholas J. Ellering
Life of this patent
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Abstract
Various embodiments of the systems, methods and devices are provided to measure current by placing a current measuring device between an atherectomy device's pump and motor. In addition various embodiments of systems, methods and devices are provided with LED arrays on the atherectomy device handle, or external display, indicating real-time magnitudes of one or more monitored variables and peak value(s) of the monitored variable(s).
Claims22
A system for monitoring a variable of an atherectomy procedure executed by a rotational atherectomy device having a handle that surrounds an electric motor, and a rotational drive shaft in operative connection with the electric motor, the system comprising:
- a sensor for sensing the value of the monitored variable;
- a processor in operative communication with the sensor and comprising programmed instructions configured to determine whether the sensed value is above or below at least one threshold value;
- a display operatively connected with the processor and comprising an array of LED lights, wherein the processor is further configured to actuate one or more of the LED lights to indicate whether the sensed value is above or below the at least one threshold value,
- wherein the processor is further configured to annunciate one or more peak values reached during the atherectomy procedure, and
- wherein the display is integrated into the handle of the rotational atherectomy device.
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-15. (canceled)
A rotational medical device comprising:
- a prime mover;
- rotational drive shaft operatively connected with the electric motor;
- a pump operatively connected with the prime mover;
- and
- a current measurement box electrically connected with the prime mover and with the pump, wherein the current measurement box comprises a current sensor that is configured to sense an amount of current drawn by the prime mover during a rotational medical procedure.
A rotational atherectomy system comprising:
- an electric motor;
- a rotational drive shaft operatively connected with the electric motor;
- a pump operatively connected with the electric motor;
- a current measurement box electrically connected with the electric motor and with the pump, wherein the current measurement box comprises a current sensor that is configured to sense an amount of current drawn by the electric motor during a rotational atherectomy procedure;
- and
- a display in operative communication with a processor, wherein the processor is configured to execute programmed instructions to determine a current value and communicate the determined current value to the display, wherein the determined current value is displayed.
Dependencies are inferred from the claim text.