Instrument for tumor therapy

Details Instrument for tumor therapy Instrument for tumor therapy

1996-12-27

1998-03-03

Buiz, Michael

Surgery

Instruments

Cutting, puncturing or piercing

606170, A61B 1732

Patent

active

057229856

ABSTRACT:
An instrument for treating deep malignant brain tumors. A slender conically-tipped yttrium tubular instrument is provided for simultaneous intra-tumor surgery, aspiration, and brachytherapy. Features include: minimally disruptive stereotactic access to the tumor, incremental rotary surgical excision from the center of the tumor, vacuum aspiration of excised matter and fluids through the tubular instrument, intense tumor-confined yttrium-90 beta radiation, and progressive suction collapsing of the tumor. Potential benefits include: tumor bulk reduction, relief of intracranial pressure, confined radiation of marginal tumor extensions, radiation sterilization of the instrument, prevention of seeding, and avoidance of radiation necrosis complications.

REFERENCES:
patent: 5226909 (1993-07-01), Evans et al.

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