Surgical reference frame fixation device with cannulated...

Details Surgical reference frame fixation device with cannulated... Surgical reference frame fixation device with cannulated...

2005-05-17

2005-05-17

Ho, (Jackie) Tan-Uyen T. (Department: 3731)

Surgery

Instruments

Stereotaxic device

C606S054000, C606S096000, C600S417000

Reexamination Certificate

active

06893447

ABSTRACT:
A surgical fixation device for mounting a stereotactic reference frame to a patient. The device includes a mounting bracket assembly, a cannulated post, a base, an anchor tube, a plurality of percutaneous pins, and a driving device. The mounting bracket assembly is connected to a top portion of the post, whereas the base is slidably coupled to a bottom portion of the post, and defines a plurality of legs. The anchor tube extends distally from the post. The percutaneous pins extend distally from the legs, respectively. Finally, the driving device is connected to the post and is adapted to selectively contact the base. Upon final assembly, the base is longitudinally moveable relative to the anchor tube. The base can be moved to a retracted position such that the anchor tube is readily securable to a bony structure of the patient's anatomy. Once secured, the base can be moved distally such that the percutaneous pins engage the bony structure as well, thereby promoting overall stability of the device.

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