Stephen Richard Keyser,James Edgerly Miller, III,Linda Miller
申请号:
US13331910
公开号:
US20120150118A1
申请日:
2011.12.20
申请国别(地区):
US
年份:
2012
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.