Dual, fused, and grooved optical localization fibers

Details Dual, fused, and grooved optical localization fibers Dual, fused, and grooved optical localization fibers

1996-01-16

1998-07-21

Shay, David M.

Surgery

Diagnostic testing

Detecting nuclear, electromagnetic, or ultrasonic radiation

600342, 600344, 600424, 600476, 606 2, A61N 506

Patent

active

057827710

ABSTRACT:
Optical localization fiber embodiments (200, 260, 270, 290, 310, 330, and 350) suitable for preoperative localization of soft tissue lesions by X-ray mammography, CT MRI, ultrasonography or nuclear medicine are provided. In these embodiments at least one hook is carried by an optical fiber for retention in soft tissue. The tip of the optical fiber is visible through the soft tissue when the origin of the optical fiber is attached to a light source. Embodiments include dual hooks (224, 226) attached through a hole (214) in the tip portion (206), a hook (262) fused to the tip (264), a hook (272) glued to the tip (274), a hook (292) held on by a cap (294), a hook (312) screwed into the tip (320), a hook (340) held in a bore in the tip portion (336) by cement, and a hook (358) in a groove (352). A supplemental optical fiber probe (250) provides a method for locating the fibers inside soft tissue.

REFERENCES:
patent: 5370640 (1994-12-01), Kolff

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