Image intensifier reticle system

X-ray or gamma ray systems or devices – Auxiliary data acquisition or recording

Reexamination Certificate

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Details

C378S205000

Reexamination Certificate

active

06266394

ABSTRACT:

TECHNICAL FIELD
The present invention relates to C-arm surgical image intensifiers.
SUMMARY OF THE INVENTION
The present invention provides a reticle for attachment to an image intensifier and a method of use which allows a standard C-arm image intensifier to be easily aligned to rotate in a selected plane about any desired point in a human body. The present invention can be used to align an image intensifier to rotate in any plane through the human body, wherein the plane is preferably defined by viewing bones or other radio-opaque structures in the body with the image intensifier system. Although the present invention can be aligned to rotate the C-arm in any desired plane passing through a human body, the present invention is ideally suited to align a conventional C-arm image intensifier to rotate in a plane passing between two adjacent vertebrae in a patient's spine. It is to be understood, however, that the present invention is not so limited to alignment of C-arm image intensifiers only with respect to intervertebral planes.
After aligning the orientation of the image intensifier with the selected intervertebral plane, the image intensifier can be rotated about a selected point to provide both lateral and anterior-posterior views through the patient while remaining in the selected intervertebral plane.


REFERENCES:
patent: 4722336 (1988-02-01), Kim et al.
patent: 5189690 (1993-02-01), Samuel

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