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Cornerstone Reflectors


More visibility and security under ultrasound


Echogenic Cornerstone Geometry

The embossed structures of the Cornerstone Reflectors form three surfaces which meet each other at a 90° angle.

This guarantees direct or indirect reflection of the ultrasound waves even at very steep insertion angles.3)


Sophisticated 360° arrangement

Two cannula segments are graduated all-around with evenly offset Cornerstone Reflectors. The number and layout of these reflectors is matched precisely to the relevant cannula diameter.

Perfect cannula identification is guaranteed in every position.


Visibility irrespective of the insertion angle

The Cornerstone Reflectors are designed that the ultrasound waves are very well reflected even with an insertion angle of 60° to 70°.3)

Ultrasound waves are reflected along a total length of 20 mm. Cannula shaft and cannula tip can be clearly identified.


OptiView

Echogenic, three-dimensional Cornerstone Geometry
360° configuration, arranged evenly around the cannula shaft
Aligned to the cannula diameter
Two marked 1-cm long segments for position orientation
Cornerstone Reflectors are embossed as far as the tip of the cannula

= Optimum cannula visibility from shaft to tip, irrespective of the insertion angle




1) Wiesmann T., Bornträger A., Zoremba M., Neff M., Wulf H., Steinfeldt T. Compound imaging technology and echogenic needle design: effects on needle visibility and tissue imaging, Reg. Anesth. Pain Med. 2013 Sep–Oct; 38(5): 452–455

2) Sviggum H. P., Ahn K., Dilger J. A., Smith H. M. Needle echogenicity in sonographically guided regional anesthesia: blinded comparison of 4 enhanced needles and validation of visual criteria for evaluation, J. Ultrasound Med. 2013 Jan; 32(1): 143–148

3) Uppal V., Sondekoppam R. V., Ganapathy S. Effect of beam steering on the visibility of echogenic and non-echogenic needles: a laboratory study, Can. J. Anesth. 2014 Oct; 61(10): 909–915

4) Hebard S., Hocking G., Murray K. Two-dimensional mapping to assess direction and magnitude of needle tip error in ultrasoundguided regional anaesthesia, Anaesth. Intensive Care 2011; 39(6): 1076–1081

5) Edgcombe H., Hocking G. Sonographic identifi cation of needle tip by specialists and novices: a blinded comparison of 5 regional block needles in fresh human cadavers, Reg. Anesth. Pain Med. 2010 March–April; 35(2): 207–211

6) Hocking G. Mitchell C. Optimizing the safety and practice of ultrasound-guided regional anesthesia: the role of echogenic technology, Curr. Opin. Anaesthesiol. 2012 Oct; 25(5): 603–609

 
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