Auto-disposal safe medical needle
A self-destructing and safe technology, applied in the fields of needles, applications, medical science, etc., can solve the problems of stabbing staff, complex structure, cross-infection of patients, etc., to prevent artificial rotation, avoid cross-infection, and avoid secondary use. Effect
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[0020] Example: such as Figure 1-4 As shown, the present invention provides a specific embodiment of a self-destructing safety medical needle, which includes: a sleeve 10 having an inner chamber 12, a needle base 20 capable of reciprocating movement in the inner chamber 12 and having a needle 22, and The locking head 28 of the needle base 20 interlocking and the conduit 30 communicating with the interior of the locking head 28, wherein the sleeve 10 is provided with a blocking block 120 and a locking block 122 in the inner cavity 12, and the needle base 20 is provided with a corresponding There is a limiting portion 24 abutting against the blocking block 120 , and an elastically deformable locking portion 26 interlocking with the locking block 122 . The blocking block 120 prevents the needle hub 20 from continuing to move, and the locking block 122 prevents the needle hub 20 from moving backward. The locking portion 26 is preferably a pair of elastically expandable expansion...
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