Precision implant needle and method of using same in seed implan

Details Precision implant needle and method of using same in seed implan Precision implant needle and method of using same in seed implan

1997-12-29

1999-08-17

Gilbert, Samuel

Surgery

Radioactive substance applied to body for therapy

Radioactive substance placed within body

600 1, A61M 3600, A61N 500

Patent

active

059385839

ABSTRACT:
The needle combination includes an insertion stylet which has a small diameter and is rigid. The tip of the insertion stylet is sharp for ease of insertion into the prostate. A needle sleeve has a larger diameter than the insertion stylet and is inserted into the prostate around the insertion stylet. A needle is loaded with radioactive seeds and spacers and is inserted, along with an implant stylet, into the sleeve after the insertion stylet has been removed. The needle and the sleeve are then removed together, while holding the implant stylet in place, so that the seeds are deposited in the prostate in desired locations.

REFERENCES:
patent: 4086914 (1978-05-01), Moore
patent: 4402308 (1983-09-01), Scott
patent: 4697575 (1987-10-01), Horowitz
patent: 4815449 (1989-03-01), Horowitz
patent: 5242373 (1993-09-01), Scott et al.
patent: 5626829 (1997-05-01), Koutrouvelis
Grimm, Blasko & Ragde, Ultrasound-Guided Transperineal Implantation of Iodine-125 and Palladium 103 for the Treatment of Eary Stage Prostate Cancer, Atlas of the Urologic Clinics of North America, vol. 2, No. 2, Oct. 1994.
Grimm, Glasko, Ragde, Sylvester & Clarke, Does Brachytherapy Have a Role in the Treatment of Prostate Cancer, Hematology/Oncology Clincs of North America, vol. 10, No. 3, Jun. 1996.

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