| 摘要 |
A needle having an enlarged diameter handle is encased within a tubular housing having a reduced diameter bore portion which engages a portion of the handle. A second portion of the handle extends outwardly from the housing and is enclosed in a removable end cap secured over that end of the housing. The other end of the housing encloses the needle and includes a second end cap removably secured to the second end of the tubular housing.
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