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FLEXIBLE SURGICAL SHEATH AND MULTI-PART INSERTION CANNULA
专利权人:
Oguz I. Cataltepe
发明人:
Oguz I. Cataltepe
申请号:
US13682115
公开号:
US20140142394A1
申请日:
2012.11.20
申请国别(地区):
US
年份:
2014
代理人:
摘要:
A flexible surgical sheath and multi-part insertion cannula for inserting the flexible sheath in a cranial surgical tunnel for gaining access to a ventricle or other surgical target. An obturator or other elongated insertion member drives a sheath assembly into a surgical recess, typically a hole drilled through the skull and brain of the surgical patient. The inserted sheath assembly includes two or more rigid sheath portions disposed around the obturator. The obturator has a tapered or angled tip for guiding the sheath assembly through the surgical tunnel to a target region such as a ventricle or other brain structure for which surgical intervention is sought. Following insertion, the obturator is withdrawn and a flexible sheath inserted in an insertion tunnel defined by the rigid sheath portions.
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