| http://www.w3.org/ns/prov#value | - A safety shield apparatus comprising: a needle having a distal portion and a proximal portion; and a shield including at least one elongated part, the shield having a proximal end mounted with the proximal portion of the needle and a distal end mounted with a planar contact surface, the shield being extensible between a retracted position and an extended position via fixed positioning of the plana
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