System and method for identifying malformation of a hip in a hum

Details System and method for identifying malformation of a hip in a hum System and method for identifying malformation of a hip in a hum

1997-12-15

2000-03-07

Smith, Ruth S.

Surgery

Diagnostic testing

Detecting nuclear, electromagnetic, or ultrasonic radiation

600587, 378 62, 378108, A61B 500

Patent

active

060352272

ABSTRACT:
A system and method for low-dosage imaging is particularly suited to diagnosis of dislocated hips in newborn babies. The minimum required dosage of radiation required to form an image is derived on the basis of the measured weight of the subject, typically by use of look-up tables. For diagnosis of dislocated hips, a tensile force is preferably applied to the leg of the subject so as to generate a temporary cavity within the hip in accordance with the vacuum phenomenon. An image is then formed of soft tissue surrounding the cavity. This allows the hip to be identified as either a normal hip or a malformed hip in accordance with the shape of the cavity. The system typically employs two very low dosage X-ray pulses of differing frequencies which are directed through the subject's hip toward a stimulated emission secondary source. The resulting images are sensed using a full-frame CCD, and are combined to form a composite image containing both hard tissue and soft tissue information. The system may also feature a sensor for ensuring that sufficient tensile force is applied to generate a cavity according to the Vacuum Phenomenon. Other applications of the low-dosage system and method include thoracic X-ray imaging for infants.

REFERENCES:
patent: 5704356 (1998-01-01), Shmueli

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