用于局部麻醉的弯曲式巩膜下套管。
Curved, sub-tenon cannula for local anesthesia.
作者信息
Stevens J D
机构信息
Moorfields Eye Hospital, London, England.
出版信息
Ophthalmic Surg. 1993 Feb;24(2):121-2.
PMID:8446347
Abstract
I describe a new cannula for delivery of sub-Tenon's local anesthetic solution. The cannula has a rigid structure, a 19-gauge diameter, and a shaft with a gentle curve, specifically designed to follow the contour of the globe. Anteroposterior flattening of the tip facilitates advancement of the cannula within the potential Tenon's-space tissue plane. Without the acute angulation of the shaft of the Bishop-Harmon-style cannula, it is easier to follow the globe contour and create less tenting-up of conjunctiva.
摘要
我描述了一种用于递送球后局部麻醉溶液的新型套管。该套管具有刚性结构、19号直径，以及带有平缓曲线的轴，其经过专门设计以贴合眼球轮廓。尖端的前后扁平有助于套管在潜在的球结膜下间隙组织平面内推进。由于没有毕晓普 - 哈蒙式套管轴的锐角，因此更容易贴合眼球轮廓，并且造成的结膜隆起更小。
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