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    • 5. 发明公开
    • Safety needle with collapsible sheath
    • 带可折叠护套的安全针
    • EP1430921A2
    • 2004-06-23
    • EP03257490.7
    • 2003-11-27
    • Vaillancourt, Patricia B.Vaillancourt, Michael J.
    • Vaillancourt, Vincent L. (deceased)Vaillancourt, Michael J.
    • A61M5/32A61M5/50
    • A61M5/3213A61M5/3243A61M2005/1581A61M2005/325A61M2005/3256B29C47/04B29K2067/00B29K2995/0077
    • The needle (11;74;92) of a syringe, wire guide, biopsy needle, Huber needle and the like is drawn into a protective cap (12;76;94) and sheath (22) arrangement after use for disposal purposes. The cap (12;76;94) is tethered to a housing (13;71;93) in which the needle (11;74;92) is mounted by the sheath (22). The sheath (22) is made of a film material that has a high tensile strength and a low percent of elongation, such as polyester. The sheath(22) is initially mounted about the needle (11;74;92) in a collapsed accordion-like condition between the cap (12;76;94) and housing (13;71;93). When the cap(12;76;94) is moved along the needle(11;74;92), the sheath (22) is played out over the needle (11;74;92). The cap(12;76;94) houses a spring clip(26;86;110) to snap over the bore (33;88;95) through which the needle (11;74;92) is retracted to prevent re-emergence of the needle (11;74;92). The flexible nature of the sheath (22) allows the sheath (22) to pass about the two legs of the Huber needle (92).
    • 注射器,导丝器,活检针,胡贝尔针等的针(11; 74; 92)在用于处置目的之后被拉入保护帽(12; 76; 94)和护套(22)装置中。 帽(12; 76; 94)系在壳体(13; 71; 93)上,针(11; 74; 92)通过护套(22)安装在该壳体中。 护套(22)由具有高拉伸强度和低伸长率的薄膜材料(例如聚酯)制成。 护套(22)最初以盖(12; 76; 94)和壳体(13; 71; 93)之间的折叠式手风琴状态围绕针(11; 74; 92)安装。 当帽(12; 76; 94)沿着针(11; 74; 92)移动时,护套(22)在针(11; 74; 92)上展开。 帽(12; 76; 94)容纳弹簧夹(26; 86; 110)以扣紧针(11; 74; 92)缩回穿过的孔(33; 88; 95),以防止再次出现 的针(11; 74; 92)。 护套(22)的柔性性质允许护套(22)围绕胡贝尔针(92)的两条腿通过。
    • 10. 发明公开
    • EP0902698A4 -
    • EP0902698A4 - Google专利
    • EP0902698A4
    • 1999-03-24
    • EP96909732
    • 1996-03-28
    • A61M5/32A61M25/06
    • A61M25/0637A61M5/3243A61M25/0631A61M2005/325A61M2005/3256Y10S128/919
    • A butterfly needle system (10) provided a housing (14) including a hollow central hub (15) and a winged extension (16) projecting from each side of the hub (15). The central hub (15) has front and rear ends and a clip opening (24) on an outer surface thereof. The needle cannula (12) has a sharpened first end (26) and extends axially through the central hub (15). A retaining clip (22) is disposed on the outer surface of the central hub (15) and extends at least partially through the clip opening (24). When the needle cannula (12) is positioned in the normal extended position with the sharpened first end (26) extending through the forward end of the hub (15), a lower terminal end of the retaining clip (22) is held biased against the needle cannula (12). When the needle cannula (12) is positioned in a retracted position with the sharpened first end (26) housed within the central hub (15), the lower terminal end (42) of the retaining clip (22) is disposed in an active position.
    • 蝴蝶针系统(10)提供了包括中空中心毂(15)和从毂(15)的每侧伸出的带翼延伸部(16)的壳体(14)。 中心毂(15)具有前端和后端以及在其外表面上的夹子开口(24)。 针管(12)具有锋利的第一端(26)并且轴向延伸穿过中心毂(15)。 保持夹(22)设置在中心毂(15)的外表面上并且至少部分地延伸穿过夹子开口(24)。 当针套管(12)定位在正常延伸位置时,尖锐的第一端(26)延伸穿过毂(15)的前端,保持夹(22)的下终端被保持偏置抵靠 针插管(12)。 当针套管(12)被定位在缩回位置中,尖锐的第一端(26)容纳在中心毂(15)内时,保持夹(22)的下终端(42)被置于活动位置 。