John R. Cournoyer,Dina Belloli,Jonathan Correia,Scott Woodruff,Bethany F. Grant,Joseph Hernandez
申请号：
US13705472
公开号：
US09072528B2
申请日:
2012.12.05
申请国别(地区):
US
年份:
2015
代理人:
摘要：
A perforation instrument and method of using same, including a shaft capable of being inserted into a joint of a patient, having a longitudinal axis, and carrying at least one piercing member, each piercing member having a tip suitable to pierce sub-chondral bone. The instrument is capable of being altered between an exposed condition wherein the tip of the at least one piercing member is exposed and a safety condition wherein the tip of the at least one piercing member is not capable of piercing tissue.
