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Covered suction device
专利权人:
Lawrence G. Ponsi
发明人:
Lawrence G. Ponsi
申请号:
US12986433
公开号:
US08545452B2
申请日:
2011.01.07
申请国别(地区):
US
年份:
2013
代理人:
摘要:
A suction device which can protected before and after use. The suction device includes an elongated suction tube having a suction tip at one end. A retractable, protective sheath is connected to the tube and extends over the exposed length of the suction tube. A tip protector extends from the free end of the sheath, and includes an interference structure in the form of a plurality of spaced ribs protruding inwardly to engage and grip the suction tip. A hollow sheath housing is secured to the free end and a sheath inserter is secured to the suction tube proximate the connection end, with the sheath housing and the sheath inserter being shaped to insert the retractable sheath in the hollow sheath housing when the sheath is in a retracted position. The tip protector and the sheath housing can be portions of a unitary structure.
来源网站:
中国工程科技知识中心
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