发明名称 |
Shielded needle |
摘要 |
An apparatus for injecting a substance into a human or animal comprising a body, a needle coupled to the body and terminating in a point and a needle guard mounted on the body for movement from a retracted position in which the guard does not shield the needle to an extended position in which the guard shields the needle. The needle guard can be releasably retained in the retracted position and locked in the extended position. Locking of the needle guard is accomplished by interlocking members carried by the needle guard and by a collar mounted on the body.
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申请公布号 |
US4631057(A) |
申请公布日期 |
1986.12.23 |
申请号 |
US19850809277 |
申请日期 |
1985.12.17 |
申请人 |
SMITH, DOLORES A.;SAMPSON, NORMA A.;SAMPSON, EARL W. |
发明人 |
MITCHELL, CHARLES B. |
分类号 |
A61M5/178;A61M5/32;(IPC1-7):A61M5/32 |
主分类号 |
A61M5/178 |
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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