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APPARATUS AND METHOD FOR PHACOEMULSIFICATION
专利权人:
NALLAKRISHNAN FAMILY TRUST
发明人:
Ravi Nallakrishnan
申请号:
US16532722
公开号:
US20200038242A1
申请日:
2019.08.06
申请国别(地区):
US
年份:
2020
代理人:
摘要:
A phacoemulsification needle is provided for emulsifying body tissue. The needle is adapted to be attached to a phacoemulsification handpiece that imparts a vibration to the needle. The needle has a hollow body with an operative distal end, a proximal end for being attached to a handpiece, and an internal surface defining an aspiration passage extending between the proximal and distal ends. The needle body includes a tip at the distal end and the needle body has a blockage reduction means located within the aspiration passage at a location proximal of the tip, wherein the blockage reduction means is one of: (i) a protrusion extending radially inward from the internal surface; (ii) a groove extending into the internal surface; (iii) at least one insert located within the aspiration passage; (iv) at least one blade located within the aspiration passage; or (v) a deformed portion of the needle body.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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