[MR-track pointer. A reusable device for localization during interventions]. Academic Article uri icon

Overview

abstract

  • PURPOSE: Development of an helpful instrument for a better planning and orientation during MR guided interventions. MATERIAL AND METHODS: We developed a reusable, sterilizable instrument that can be filled both with a solution of Gd-DTPA (1%) and with a sodium chloride solution (0.9%). The pointer has a diameter of 3 and 5 mm resp. and its length is 100-150 mm. The instrument can be combined with an interactive stereotactic tracking device. RESULTS: The MR-Track-Pointer can be fixed to the two handpieces of the integrated interactive tracking system without problems. The pointer can be seen both on T1w and T2w sequences inside and outside of the tissue. This new instrument can be interactively used for reliable planning the biopsy trajectory, planning craniotomies and identifying structures which are only visible on MR images. CONCLUSIONS: The MR-Track-Pointer is an ideal supplement for the integrated virtual tracking system. It permits a minimal invasive orientation and facilitates the exact localisation of suspect lesions in sensible regions during MR guided interventions, e.g. diagnostic biopsies and tumour resections.

publication date

  • September 1, 1999

Research

keywords

  • Magnetic Resonance Imaging
  • Stereotaxic Techniques
  • Surgical Instruments

Identity

Scopus Document Identifier

  • 0032888586

Digital Object Identifier (DOI)

  • 10.1055/s-1999-11088

PubMed ID

  • 10520336

Additional Document Info

volume

  • 171

issue

  • 3