US 10,499,873 B2Granted

System and method for performing a bone density scan of a patient

AssigneeGeneral Electric Company

InventorsJames Wear, Serge Muller, Randall Payne, Paul Markwardt

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Abstract

A system for performing a bone density scan of a patient is provided. The system includes a radiation source operative to emit a radiation beam, a radiation detector operative to receive the radiation beam and generate an output signal based at least in part on the received radiation beam, and a controller in electronic communication with the radiation source and the radiation detector and operative to generate at least one of a bone mineral content measurement of the patient, a bone mineral density measurement of the patient, a body composition measurement of the patient, and a body thickness measurement of the patient. The controller is further operative to regulate the radiation beam such that a flux of the radiation beam at the radiation detector is within a target flux range.

Claims14

Dependent claims

A system for performing a bone density scan of a patient comprising:

a radiation source operative to emit a radiation beam and to move along a scanning path;
a radiation detector operative to move along the scanning path so as to receive the radiation beam and generate an output signal based at least in part on the received radiation beam;
a controller in electronic communication with the radiation source and the radiation detector and operative to generate at least one of a bone mineral content measurement of the patient, a bone mineral density measurement of the patient, a body composition measurement of the patient, and a body thickness measurement of the patient;
a beam filter disposed between the radiation source and the radiation detector and operative to adjustably restrict a portion of the radiation beam from reaching the radiation detector;
and
wherein:
the controller is further operative to regulate the radiation beam via adjusting a thickness of the beam filter while the radiation source and the radiation detector move along the scanning path such that a flux of the radiation beam at the radiation detector is within a target flux range.

4 more elements

A method for performing a bone density scan of a patient comprising:

emitting a radiation beam via a radiation source that moves along a scanning path and is in electronic communication with a controller;
receiving the emitted radiation beam via a radiation detector that moves along the scanning path and is in electronic communication with the controller;
regulating the radiation beam via the controller such that a flux of the radiation beam at the radiation detector is within a target flux range;
and
generating at least one of a bone mineral content measurement of the patient, a bone mineral density measurement of the patient, a body composition measurement of the patient, and a body thickness measurement of the patient via the controller based at least in part on an output signal generated by the radiation detector;
wherein regulating the radiation beam via the controller such that a flux of the radiation beam at the radiation detector is within a target flux range comprises:
adjusting a thickness of a beam filter via the controller, the beam filter disposed between the radiation source and the radiation detector and operative to restrict a portion of the radiation beam from reaching the radiation detector.

4 more elements

Dependencies are inferred from the claim text.

Facts

Application: 15/385,172Filed 20 Dec 2016
Published: US 2018/0168533 A121 Jun 2018
Granted: 10 Dec 2019
Term ends: Not estimatedThe source records don’t support an estimate.

Classification6 codes

A61B 6/54
Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment: control of…
A61B 6/4035
Arrangements for generating radiation specially adapted for radiation diagnosis: the source being combined with a filter or grating
A61B 6/482
Diagnostic techniques: involving multiple energy imaging
A61B 6/505
Specially adapted for specific body parts; specially adapted for specific clinical applications: for diagnosis of bone

Family

US 2018/0168533 A1Pre-grant publication · published 21 Jun 2018
US 10,499,873 B2This patent

From the US filing history. Foreign family members aren’t listed.

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