Body tissue penetrating method and apparatus

Details Body tissue penetrating method and apparatus Body tissue penetrating method and apparatus

A - Human Necessities

61

B

128/113

A61B 17/14 (2006.01) A61B 17/00 (2006.01) A61B 17/02 (2006.01) A61B 17/34 (2006.01) A61B 17/06 (2006.01)

Patent

CA 1098003

TITLE BODY TISSUE PENETRATING METHOD AND APPARATUS INVENTORS CESAR A. ROMERO-SIERRA ZENON JENNINGS JOSEPH WARWICK ABSTRACT OF THE DISCLOSURE A method and apparatus for making passageways through body tissue to provide access for a surgical operation beneath the tissue and comprises inserting a vibrating tissue penetrating probe into the tissue, inserting a tubular tissue separating member into the passageway and manipulating the member to separate tissue fibers and enlarge the passageway, and if required successively inserting separating members of increasing cross-section to further enlarge the passageway. A frustoconical tubular member may be used for further enlargement and retained in the passageway as a shield to provide an unobstructed passageway for a surgical operation. The invention alleviates bleeding and other deleterious post-operative effects of incisions. .

286534

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