发明名称 |
PEN NEEDLE ASSEMBLY FOR INTRADERMAL MEDICATION INJECTION |
摘要 |
<p>A pen needle assembly (111) includes an outer shell (151) having a first end adapted to contact a patient's skin at an injection site. A hub (131) is movably disposed within the outer shell. A needle (121) is fixed to the movable hub and has a patient end for piercing the skin at the injection site. An inner shell (171) is disposed within the outer shell and adapted to engage the pen needle assembly with a drug delivery pen (100). A first spring (141) has a first end connected to the outer shell and a second end connected to the inner shell. A second spring (161) has a first end connected to the inner shell and a second end connected to the hub. An adhesive layer (191) is disposed on the movable hub for contacting and raising the skin at the injection site.</p> |
申请公布号 |
CA2742814(A1) |
申请公布日期 |
2010.05.14 |
申请号 |
CA20092742814 |
申请日期 |
2009.11.06 |
申请人 |
BECTON, DICKINSON AND COMPANY |
发明人 |
WEI, MIN |
分类号 |
A61M5/20 |
主分类号 |
A61M5/20 |
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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