| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a medical needle with a protector, capable of securely preventing a needle body housed within the protector from projecting again from the protector. <P>SOLUTION: The medical needle with the protector includes: the needle body 1 composed of a needle tube 2 and a hub 3 with a connecting tube part 31 to connect a flexible tube 5; the protector 4 which can house the needle body 1; a spring member 6 for energizing the needle body 1 backward; and a locking means 42 for locking the needle body 1 at a use position. When the lock of the needle body 1 by the locking means 42 is released, the needle body 1 is moved backward with the energization power of the spring member 6, and the front end of the needle tube 2 is retracted into the protector 4, wuile the connection tube part 31 projects from the rear end of the protector 4. The connection tube part 31 has a narrow part 33 at the rear end and a stepped part 34 in a place where the narrow part 33 is connected to the front end. The connection tube part 31 can be separated at the stepped part 34 by folding the narrow part 33 to the front end of the connection tube part 31 with the front end of the flexible tube fitted and connected to the narrow part 33 from outside. <P>COPYRIGHT: (C)2011,JPO&INPIT |
