Stepper apparatus for use in the imaging/treatment of internal o

Details Stepper apparatus for use in the imaging/treatment of internal o Stepper apparatus for use in the imaging/treatment of internal o

1997-10-14

1999-02-16

Lateef, Marvin M.

Surgery

Diagnostic testing

Detecting nuclear, electromagnetic, or ultrasonic radiation

600462, A61B 800

Patent

active

058714480

ABSTRACT:
The stepper apparatus for use in imaging/treatment of prostate cancer with radioactive seeds includes a body portion, a support element for holding the ultrasound probe, a slide portion for moving the support element relative to the body portion, and a support element for holding a template which has a plurality of openings therethrough, through which radiation seed insertion needles may be positioned. The ultrasound probe may be moved longitudinally relative to the prostate in indexed steps of a known distance and also may be moved in a controlled, continuous fashion to determine the rear edge of the prostate which can then be used as a reference for future indexed steps. The slide portion moves along two spaced guide rods, one of which has a threaded portion which mates with a spring-loaded ball in the side of the slide portion as well as a rack and gear arrangement for accomplishing the dual (indexed and continuous) motion.

REFERENCES:
patent: 5211176 (1993-05-01), Ishiguro et al.
patent: 5282472 (1994-02-01), Companion et al.
patent: 5361768 (1994-11-01), Webler et al.
patent: 5474071 (1995-12-01), Chapelon et al.
Cotan Stabilizing Device, Mick Radio-Nuclear Instruments Inc., pp. 003-008, Dec. 12, 1996.
Stepping Unit UA 1084, Hutchinson Medical Designs, pp. 1-6, Oct. 1994.

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