KEYSER, STEPHEN, RICHARD,MILLER, JAMES, EDGERLY, III
申请号:
EP09701555
公开号:
EP2252358A4
申请日:
2009.01.09
申请国别(地区):
EP
年份:
2016
代理人:
摘要:
This invention provides devices and methods for insertion of a catheter into a vessel. The devices include coaxial slidably mounted needle, dilator and catheter components. The methods include piercing a vessel with the needle component, dilating the pierced hole with the dilator component, retraction of the needle component, insertion of the catheter and withdrawal of the dilator.