KEYSER, STEPHEN RICHARD,MILLER, JAMES EDGERLY, III
申请号:
CA2710969
公开号:
CA2710969C
申请日:
2009.01.09
申请国别(地区):
CA
年份:
2016
代理人:
摘要:
This invention provides devices and methods for insertion of a catheterinto a vessel. The devices include coaxial slidably mounted needle, dilatorand cathetercomponents. The methods include piercing a vessel with the needle component,dilatingthe pierced hole with the dilator component, retraction of the needlecomponent, insertionof the catheter and withdrawal of the dilator.