Apparatus and Method for Imaging the Relative Motion of Skeletal Segments
a technology of relative motion and skeletal segments, applied in the field of automatic system for monitoring the movement of bones in the skeleton, can solve the problems of preventing accurate diagnosis and informed treatment, unable to assess the functional integrity of joints, especially spinal joints, without invasive procedures, etc., and achieve the effect of minimal invasiveness
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example 1
Imaging of a Patient with Intractable Spinal Pain
[0071]Data Acquisition
[0072]Typically, a patient with chronic intractable spinal pain will be referred for the investigation. The patient will normally attend the X-ray department as an outpatient and will enter an imaging suite under the direction of a radiographer and an assistant. All components of the device, which is portable, will be in place when the patient enters.
[0073]The patient will be familiarised with the action of the passive motion platform by demonstration and then will be helped to lie on it in the prone or supine position. The swing platform will be moved and the patient's acceptance of the motion determined. The range of motion achievable will be decided by discussion and tested without imaging to ensure it is well tolerated. Devices for gonadal protection and the reduction of any intensifier flare will then be placed on the passive motion platform.
[0074]The radiographer will centre the level of interest and config...
example 2
An Objective Spinal Imaging Assessment of the Integrity of Lumbar Spine Stabilisation Grafts
[0084]The prospect of a second operative procedure following an apparently unsuccessful spinal fusion is an unwelcome one. The method of the present invention described herein combines sufficiently reduced operator interaction with acceptable error limitation to be operationally useful as a tool for reporting findings about graft integrity for spinal surgeons.
[0085]Methods and results: The measurement of lumbar inter-vertebral coronal and saggital plane motion ii: vivo using this technique is in 3 stages:
[0086]Fluoroscopic screening of patients lying on a passive motion table
[0087]Co-ordinated real-time digital acquisition of the intensifier images.
[0088]Registration of the images of each vertebra by templates which are automatically tracked and whose output is converted to inter-vertebral kinematic parameters and averaged for display and reporting.
[0089]Results are currently displayed as int...
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