发明名称 |
Medical device including an air evacuation system |
摘要 |
Medical device assemblies capable of aspirating liquid into a syringe barrel or other medical devices while evacuating any air from the syringe are described. An exemplary medical device includes a syringe barrel, plunger rod and stopper assembly having an air permeable and liquid impermeable porous portion and structure for forming a vacuum within either the stopper or the plunger rod. Described is a medical device including a syringe barrel, plunger rod and stopper assembly having an air permeable and liquid impermeable porous portion and structure for forming a vacuum within chamber between the stopper and plunger rod wherein the plunger rod includes a sealing edge and is moveable relative to the stopper. Exemplary medical devices may include a vent for allowing air that permeates through the porous portion to escape to atmosphere. Methods for aspirating a syringe barrel with a liquid are also provided. |
申请公布号 |
US8172794(B2) |
申请公布日期 |
2012.05.08 |
申请号 |
US20100767035 |
申请日期 |
2010.04.26 |
申请人 |
LUM CHEE LEONG;SOLTZ MICHAEL;BECTON, DICKINSON AND COMPANY |
发明人 |
LUM CHEE LEONG;SOLTZ MICHAEL |
分类号 |
A61M1/00 |
主分类号 |
A61M1/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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