Surgery – Diagnostic testing – Detecting nuclear – electromagnetic – or ultrasonic radiation
Reexamination Certificate
2000-04-21
2010-12-14
Casler, Brian (Department: 3737)
Surgery
Diagnostic testing
Detecting nuclear, electromagnetic, or ultrasonic radiation
C128S849000
Reexamination Certificate
active
07853311
ABSTRACT:
A targeting device for providing a series of coordinates/lines within a sheet of sterile, flexible material with an adherent surface which is applied to the skin (after suitable surgical preparation). The sheet is non-porous and may have a topical antiseptic on the side which is applied to the skin. A fluoroscope or roentgenographic image of the portion of the body to which the adherent film is applied will show the underlying skeletal and radiopaque elements as well as the overlying surgical grid. Once the targeting device is applied, the coordinates on the grid lines are clearly visible on the surface of the skin as well as on the fluoroscopic or radiographic image and by knowing the direction of the fluoroscopic or radiographic beam, the operator will be able to thereby correlate a specific locus on the skin with an underlying skeletal element or other underlying radiopaque structure. By applying the targeting device to the part of the body in a circumferential or nearly circumferential manner, and utilizing a radiolucent operating room table, and a radiograph or C-arm fluoroscope, targeting techniques using the targeting device can be utilized at surgery. Multiple targeting or percutaneous procedures can be performed at the same sitting with the application of a single device.
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3M Innovative Properties Company
Casler Brian
Cwern Jonathan G
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