Microwave hyperthermia probe

Details Microwave hyperthermia probe Microwave hyperthermia probe

1987-10-15

1989-06-27

Cohen, Lee S.

Surgery

Body protecting or restraining devices for patients or infants

Restrainers and immobilizers

128784, 219 1055F, A61N 502

Patent

active

048419885

ABSTRACT:
Heating pattern uniformity is provided in a coaxial microwave hyperthermia probe by varying the open area in the outer conductor in an axial direction such that there is a maximum open area in the axial center portion. The variations may be provided by winding an outer conductor in a helical pattern with a variable pitch or by cutting openings of axially varying size in a solid outer conductor. The invention is applicable to both flexible and rigid probes.

REFERENCES:
patent: 3230957 (1966-01-01), Seifert
patent: 3783221 (1974-01-01), Soulier
patent: 4154246 (1979-05-01), LeVeen
patent: 4316474 (1982-02-01), Spethmann
patent: 4583556 (1986-04-01), Hines et al.
patent: 4658836 (1981-04-01), Turner
patent: 4700716 (1987-10-01), Kasevich et al.
patent: 4712559 (1987-12-01), Turner

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