KATERKAMP ANDREAS,SCHUMACHER VOLKER,KLUG ROBERT,SIPPEL MARTIN
申请号：
IN6802/DELNP/2010
公开号：
IN2010DN06802A
申请日:
2010.09.27
申请国别(地区):
IN
年份:
2012
代理人:
摘要：
The invention relates to a spinal cannula with a needle hub having a transparent area for observing the liquor flowing through a hollow cavity of the needle hub, in which a means for refracting or reflecting rays of light is provided in or at the transparent area of the needle hub.
