公开(公告)号：US20100298696A1

公开(公告)日：2010-11-25

申请号：US12850844

申请日：2010-08-05

申请人： Steven E. Field ,  Ryan L. Goosen ,  Brain R. Mulder ,  Richard M. Chesbrough

发明人： Steven E. Field ,  Ryan L. Goosen ,  Brain R. Mulder ,  Richard M. Chesbrough

IPC分类号： A61B5/05

CPC分类号： A61B90/39 ,  A61B2090/3908 ,  A61B2090/3987

摘要： A marking apparatus includes a rigid cannula having a peripheral wall forming a lumen that carries an imaging marker, a proximal end coupled to a handle, a lateral opening in the peripheral wall that is open to the lumen, and a closed-off distal portion having a ramp adjacent the lumen. The closed-off distal portion extends distally from the ramp to terminate at a tissue piercing pointed tip. The ramp of the rigid cannula is curved to transition from the peripheral wall of the rigid cannula to the lateral opening of the rigid cannula. The ramp of the rigid cannula is adapted to engage the distal end of the stylet as the stylet is advanced through the lumen of the rigid cannula to guide the distal end of the stylet to a position to substantially close off the lateral opening of the rigid cannula having the tissue piercing tip.

摘要翻译： 标记装置包括刚性套管，其具有形成内腔的外围壁，所述内壁承载成像标记，连接到手柄的近端，围绕所述内腔的周壁中的侧向开口，以及封闭远端部分， 靠近管腔的斜坡。 闭合远端部分从斜坡向远侧延伸以终止于组织穿刺的尖端。 刚性插管的斜面弯曲成从刚性插管的周壁过渡到刚性插管的侧向开口。 当探针通过刚性插管的内腔前进时，刚性插管的斜面适于接合探针的远端，以将探针的远端引导到基本上封闭刚性插管的侧向开口的位置 具有组织穿刺尖端。