An improved dilator system for percutaneous nephrostomies

B. Rusnak, W. Castaneda-Zuniga, F. Kotula, M. Herrera, K. Amplatz

Research output: Contribution to journalArticle

40 Scopus citations


An improved dilator system that allows the safe introduction of large tubes into the kidney or biliary tract for stone exctraction is described. The dilator is made of flexible polyurethane and is reinforced by an ultrathin Teflon sleeve that remains in place for the extraction.

Original languageEnglish (US)
Number of pages1
JournalUnknown Journal
Issue number1
StatePublished - Jan 1 1982

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging

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  • Cite this

    Rusnak, B., Castaneda-Zuniga, W., Kotula, F., Herrera, M., & Amplatz, K. (1982). An improved dilator system for percutaneous nephrostomies. Unknown Journal, 144(1).