Nerve surveillance cannulae systems

Details Nerve surveillance cannulae systems Nerve surveillance cannulae systems

2006-07-18

2006-07-18

Gibson, Roy D. (Department: 3739)

Surgery

Diagnostic testing

Structure of body-contacting electrode or electrode inserted...

C128S898000

Reexamination Certificate

active

07079883

ABSTRACT:
An expandable tip cannula system, comprising: a hollow cannula shaft having a proximal end and a distal end; and an expandable tip mounted at the distal end of the hollow cannula shaft, the expandable tip comprising a plurality of generally-triangular shaped petals held together in a radially-inwardly tapered arrangement between adjacent petals, each petal comprising a nerve sensing electrode disposed therein.

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