Ultrasonic data collection
Embodiments include systems and or methods directed to ultrasound calibration, real-time C-mode approaches, calibration using a plate target, a ball-and-socket scan mechanism, a spherical spiral path scan mechanism, and a wireless disposable laryngoscope.
1. A method of calibrating an ultrasound scanner having a transducer that rotates about a first phi axis and a second theta axis, the phi axis being perpendicular to the theta axis, the method comprising:
collecting from a reflective planar target first ultrasound data in a scan plane by rotating the transducer about the phi axis;
calculating a first maximum peak intensity phi angle from the first ultrasound data;
rotating the transducer 180° about the theta axis;
collecting from the reflective planar target second ultrasound data in the scan plane by rotating the transducer about the phi axis;
calculating a second maximum peak intensity phi angle from the second ultrasound data;
determining a difference between the first and second maximum peak intensity phi angles; and
setting a phi offset value for the ultrasound scanner based on the determined difference.
2. The method of claim 1 , wherein the target is metallic.
3. The method of claim 1 , wherein collected data is B-mode data.
4. A method of calibrating an ultrasound scanner having a transducer that rotates about a first phi axis and a second theta axis, the phi axis being perpendicular to the theta axis, the method comprising the steps of:
collecting from a reflective planar target first ultrasound data in a scan plane by rotating the transducer about the phi axis in a first direction;
calculating a first maximum peak intensity phi angle from the first ultrasound data;
collecting from the reflective planar target second ultrasound data in the scan plane by rotating the transducer about the phi axis in a second direction opposite to the first direction;
calculating a second maximum peak intensity phi angle from the second ultrasound data;
determining a difference between the first and second maximum peak intensity phi angles; and
setting a phi offset value for the ultrasound scanner based on the determined difference.
5. The method of claim 4 , wherein the target is metallic.
6. The method of claim 4 , wherein collected data is B-mode data.
7. The method of claim 1 , wherein setting the phi offset value for the ultrasound scanner comprises:
determining whether the difference between the first and second maximum peak intensity phi angles is less than a threshold.
8. The method of claim 7 , wherein setting the phi offset value further comprises:
setting the phi offset value for the ultrasound scanner to a current phi offset value, in response to determining that the difference between the first and second maximum peak intensity phi angles is less than the threshold.
9. The method of claim 7 , wherein setting the phi offset value further comprises:
adjusting the phi offset value for the ultrasound scanner based on the determined difference, in response to determining that the difference between the first and second maximum peak intensity phi angles is greater than the threshold.
10. The method of claim 4 , wherein setting the phi offset value for the ultrasound scanner comprises:
determining whether the difference between the first and second maximum peak intensity phi angles is less than a threshold.
11. The method of claim 10 , wherein setting the phi offset value further comprises:
setting the phi offset value for the ultrasound scanner to a current phi offset value, in response to determining that the difference between the first and second maximum peak intensity phi angles is less than the threshold.
12. The method of claim 10 , wherein setting the phi offset value further comprises:
adjusting the phi offset value for the ultrasound scanner based on the determined difference, in response to determining that the difference between the first and second maximum peak intensity phi angles is greater than the threshold.
13. A system, comprising:
an ultrasound probe including:
a transducer configured to rotate about a theta axis and a phi axis, wherein the phi axis is perpendicular to the theta axis; and
a processing device configured to:
collect, from a reflective planar target, first ultrasound data in a scan plane by rotating the transducer about the phi axis,
calculate a first maximum peak intensity phi angle from the first ultrasound data,
rotate the transducer 180° about the theta axis,
collect, from the reflective planar target, second ultrasound data in the scan plane by rotating the transducer about the phi axis,
calculate a second maximum peak intensity phi angle from the second ultrasound data,
determine a difference between the first and second maximum peak intensity phi angles, and
set a phi offset value for the ultrasound probe based on the determined difference.
14. The system of claim 13 , wherein when setting the phi offset value for the ultrasound probe, the processing device is configured to:
determine whether the difference between the first and second maximum peak intensity phi angles is less than a threshold.
15. The system of claim 14 , wherein the setting the phi offset value, the processing device is further configured to:
set the phi offset value for the ultrasound probe to a current phi offset value, in response to determining that the difference between the first and second maximum peak intensity phi angles is less than threshold.
16. The system of claim 14 , wherein when setting the phi offset value, the processing device is further configured to:
adjust the phi offset value for the ultrasound probe based on the determined difference, in response to determining that the difference between the first and second maximum peak intensity phi angles is greater than the threshold.