Invention Grant
US08221412B2 Medical needles and electrodes with improved bending stiffness 有权
具有改善弯曲刚度的医用针和电极

Medical needles and electrodes with improved bending stiffness
Abstract:
A device for penetrating tissue includes an elongated element having a distal end, a proximal end, a body extending between the distal and the proximal ends, and a lumen located within at least a portion of the body, wherein the lumen has a cross-sectional shape that is a polygon. A device for penetrating tissue includes an elongated element having a distal end, a proximal end, and a body extending between the distal and the proximal ends, at least a portion of the body having a cross-sectional profile that is a polygon, wherein the elongated element is a cannula.
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