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    • 1. 发明授权
    • Needle with sealing valve
    • 带密封阀针
    • US07470254B2
    • 2008-12-30
    • US10910684
    • 2004-08-03
    • Michael BastaKevin SanfordEarl W. Voorhees, Jr.
    • Michael BastaKevin SanfordEarl W. Voorhees, Jr.
    • A61M5/178
    • A61M25/01A61M5/3293A61M25/065A61M25/0693A61M25/09041A61M39/0606A61M39/0693A61M39/26
    • A needle assembly (100) having a hollow needle (110) with a pointed distal end (112) and a proximal end (114). The assembly also includes a needle hub (120) having a distal hub end (122) fixedly connected to the needle (110), a proximal hub end (124) having an opening, and a passageway (126) extending therethrough between the distal end and the proximal end. A valve (140) is disposed within the passageway (126), wherein the valve comprises a sealing member (142) having at least one through-opening (150) disposed therein and a plunger (146) disposed proximate the sealing member (142) and slidable between a first position wherein the at least one through-opening (150) is closed such that the hollow needle (110) and the proximal hub end (124) are not in fluid communication with each other and a second position wherein the plunger (146) biases the at least one through-opening (150) to an open position, such that the hollow needle and the proximal hub end are in fluid communication with each other. A method of using the needle assembly (100) is also disclosed.
    • 具有具有尖头远端(112)和近端(114)的中空针(110)的针组件(100)。 所述组件还包括具有固定地连接到所述针(110)的远端轮毂端(122)的针毂(120),具有开口的近侧轮毂端(124)和在所述远端 和近端。 阀门(140)设置在通道(126)内,其中阀门包括密封件(142),该密封件具有设置在其中的至少一个通孔(150)和靠近密封件(142)设置的柱塞(146) 并且可在第一位置和第二位置之间滑动,其中至少一个通孔(150)被关闭,使得中空针头(110)和近侧毂端部(124)彼此不流体连通,并且第二位置,其中柱塞 (146)将所述至少一个通孔(150)偏压到打开位置,使得所述中空针头和所述近侧毂端部彼此流体连通。 还公开了使用针组件(100)的方法。
    • 2. 发明授权
    • Splittable multiple catheter assembly
    • 可分离多导管组件
    • US07918817B2
    • 2011-04-05
    • US10974267
    • 2004-10-27
    • Donald A. SchonJohn StephensEarl W. Voorhees, Jr.Timothy SchweikertKevin SanfordMahase Nardeo
    • Donald A. SchonJohn StephensEarl W. Voorhees, Jr.Timothy SchweikertKevin SanfordMahase Nardeo
    • A61M3/00
    • A61M25/0026A61M1/3661A61M25/0023A61M25/0029A61M25/0194A61M2025/0031A61M2025/0034A61M2025/0037
    • A multiple catheter assembly (100) including a first catheter (110) constructed from a first material and having a first proximal end region (112), a first distal end region (114) terminating in a first distal tip (116), and an outer surface (120) defining at least a first lumen (122) extending longitudinally therethrough between a first distal (118) and a first proximal (111) opening. The first proximal end region (112) is integrally connected to an extension tube (320) constructed from a second material. A second catheter (130) is constructed from the first material and having a second proximal end region (132), a second distal end region (134) terminating in a second distal tip (136), and a second outer surface (140) defining at least a second lumen (142) extending longitudinally therethrough between a second distal (138) and a second proximal (131) opening. The second proximal end region (132) is integrally connected to an extension tube (350) constructed from the second material. The first lumen (122) and the second lumen (142) are independent from each other for facilitating simultaneous flow in opposite directions. The outer surfaces (120, 140) of the first and second catheters are releasably joined for allowing the first and second distal tips (116, 136) to be at least partially longitudinally split from each other.
    • 一种多导管组件(100),包括由第一材料构成并具有第一近端区域(112)的第一导管(110),终止于第一远端尖端(116)的第一远端区域(114) 外表面(120)限定在第一远端(118)和第一近端(111)开口之间至少延伸穿过其中的第一腔(122)。 第一近端区域(112)与由第二材料构成的延伸管(320)整体连接。 第二导管(130)由第一材料构成并具有第二近端区域(132),终止于第二远侧末端(136)的第二远端区域(134)和限定 至少第二腔(142),其在第二远端(138)和第二近端(131)开口之间纵向延伸通过。 第二近端区域(132)与由第二材料构成的延伸管(350)整体连接。 第一管腔(122)和第二管腔(142)彼此独立以便于沿相反方向同时流动。 第一和第二导管的外表面(120,140)可释放地接合,以允许第一和第二远端尖端(116,136)至少部分地彼此纵向分开。
    • 3. 发明授权
    • Catheter safety needle
    • 导管安全针
    • US07556617B2
    • 2009-07-07
    • US11061922
    • 2005-02-18
    • Earl W. Voorhees, Jr.John StephensKenneth J. Chesnin
    • Earl W. Voorhees, Jr.John StephensKenneth J. Chesnin
    • A61M5/178
    • A61M25/0631A61M5/3269
    • A catheter insertion needle assembly (100) including a generally elongated body (110), a slider assembly (120), and a needle housing (126) with a needle (130). The elongated body has a proximal end (114) and a distal end (112), a needle guard (140) disposed at the distal end of the body in a needle guard plane, a first or distal locking member (150), and a second or proximal locking member (118). The slider assembly (120) includes a slider (122) that is slidably disposed on the body (110) Needle (130) has a distal tip (134) and a cannulating portion (132) extending therethrough. A first locking tab (121) is releasably engageable with the first locking member (150) and a second locking portion is lockably engageable with the second locking member (118). The first locking tab (121) is releasable from the first locking member to allow the slider (122) to slide between a distal position relative to the body (110) wherein the tip (134) extends distally of the needle guard (140), and a proximal position relative to the body wherein the tip (134) is disposed within the needle guard plane. When the slider (122) is disposed at the proximal position, the second locking portion engages the second locking member (118) to preclude the slider (122) from sliding distally relative to the body (110).
    • 导管插入针组件(100),其包括大体上细长的主体(110),滑块组件(120)和具有针(130)的针壳体(126)。 细长主体具有近端(114)和远端(112),设置在主体的远端处的针护罩(140),位于针护罩平面中,第一或远端锁定构件(150),以及 第二或近端锁定构件(118)。 滑块组件(120)包括可滑动地设置在主体(110)上的滑块(122),针头(130)具有远侧末端(134)和延伸穿过其中的插管部分(132)。 第一锁定突片(121)可释放地与第一锁定构件(150)接合,并且第二锁定部分可锁定地与第二锁定构件(118)接合。 第一锁定突片(121)可从第一锁定构件释放,以允许滑块(122)在相对于主体(110)的远侧位置之间滑动,其中尖端(134)延伸到针罩(140)的远侧, 以及相对于身体的近端位置,其中尖端(134)设置在针保护平面内。 当滑块(122)设置在近侧位置时,第二锁定部分接合第二锁定构件(118)以阻止滑块(122)相对于主体(110)向远侧滑动。
    • 6. 发明授权
    • Method of using a multi-lumen catheter assembly
    • 使用多腔导管组件的方法
    • US07914513B2
    • 2011-03-29
    • US11190529
    • 2005-07-27
    • Earl W. Voorhees, Jr.
    • Earl W. Voorhees, Jr.
    • A61M31/00A61M3/00
    • A61M25/0097A61M2025/0031A61M2025/0034A61M2025/0037
    • A multi-lumen catheter assembly with a two-piece hub is disclosed. The catheter includes a distal portion having a plurality of catheter lumens, wherein each of the plurality of catheter lumens includes a distal tip and a proximal lumen portion. The distal portion further includes a distal hub portion slidably disposed over the proximal lumen portion, wherein the distal hub portion includes a pivoting locking member. The catheter assembly further includes a proximal portion having a plurality of catheter extensions, wherein each of the plurality of catheter extensions fluidly communicates with at least one of the plurality of catheter lumens. The proximal portion also includes a proximal hub portion having a locking receiver, wherein the pivoting locking member is releasably engaged with the locking receiver.
    • 公开了一种具有两件式毂的多腔导管组件。 导管包括具有多个导管腔的远侧部分,其中多个导管腔中的每一个包括远侧末端和近端内腔部分。 远侧部分还包括可滑动地设置在近端内腔部分上的远端轮毂部分,其中远端轮毂部分包括枢转锁定部件。 导管组件还包括具有多个导管延伸部的近端部分,其中多个导管延伸部中的每一个与多个导管腔中的至少一个流体连通。 近侧部分还包括具有锁定接收器的近侧毂部分,其中枢转锁定构件可释放地与锁定接收器接合。