Holder for blood collection needle with blunting mechanism
    1.
    发明授权
    Holder for blood collection needle with blunting mechanism 失效
    持针机采血针采用钝化机制

    公开(公告)号:US06733465B1

    公开(公告)日:2004-05-11

    申请号:US09649773

    申请日:2000-08-29

    IPC分类号: A61B500

    摘要: The present invention relates to a blood collection system comprising a blood collection tube, a tube holder, and a self-blunting blood collection needle. A blunting member is deployed upon withdrawal of a blood collection tube from the tube holder, to blunt the needle and so safeguard the patient and the technician from inadvertent needle sticks. The blunting member is retracted to re-sharpen the needle when a subsequent collection tube is inserted into the holder. The mechanism effects blunting and re-sharpening of the needle with requiring that the technician manipulate the mechanism in a manner different from that of conventional, non-blunting blood collection needles. Four types of mechanisms are disclosed: a rack and pinion mechanism; a cylindrical cam mechanism; lever mechanisms and a reversing strap mechanism.

    摘要翻译: 本发明涉及一种采血系统,其包括采血管,管保持器和自钝性采血针。 在将收集管从管保持器上取出时,展开钝化构件,使针钝化,从而保护患者和技术人员免于无意的针刺。 当随后的收集管插入支架时,钝化构件缩回以重新锐化针。 这种机制会影响针头的钝化和再锐化,要求技术人员以不同于常规的非平坦采血针的方式操纵机构。 公开了四种类型的机构:齿条和小齿轮机构; 圆柱凸轮机构; 杠杆机构和反转带机构。

    Catheter assemblies for prevention of blood leakage
    3.
    发明授权
    Catheter assemblies for prevention of blood leakage 失效
    用于预防血液渗漏的导管组件

    公开(公告)号:US5030205A

    公开(公告)日:1991-07-09

    申请号:US452091

    申请日:1989-12-18

    摘要: A catheter is provided which deters the backflow of blood between the insertion needle and the catheter cannula by forming the distal end of the catheter hub so as to restrict the inner diameter of the catheter cannula to a wiping fit with the engaged insertion needle. In a first embodiment the distal end of the catheter hub is pre-formed to its desired final inner dimension. The distal end of the hub is stretched to an oversize condition, the catheter cannula is attached to the hub, and the distal end of the catheter hub is heated, causing a stress relief of the previously stretched hub. The distal end of the catheter hub returns to its pre-formed dimension which will mechanically restrict the diameter of the catheter cannula at that point to form the wiping fit with the engaged needle. In a second embodiment the inner diameter of the distal end of the catheter hub is reduced by inserting the distal end of the hub between the opposing faces of a swaging press, which close to compress the hub in one direction. The degree of closure is controlled by the dimension of at least one of a pair of orthogonally opposing swaging press surfaces, which then close to compress the hub in the orthogonal direction. The distal end of the hub is thus swaged to the desired dimension, and the process advantageously produces a finished product without the production of flash material at the intersection points of the swaging surfaces.

    Releasable locking needle assembly with optional release accessory therefor
    4.
    发明授权
    Releasable locking needle assembly with optional release accessory therefor 失效
    可释放的锁定针组件,带有可选的释放附件

    公开(公告)号:US06544239B2

    公开(公告)日:2003-04-08

    申请号:US09734994

    申请日:2000-12-12

    IPC分类号: A61M532

    CPC分类号: A61M25/0643 A61M25/0693

    摘要: A needle assembly includes a needle member (10) and a blunting member (26), the needle member (10) containing a needle cannula (12), the needle cannula (12) having a puncture tip (14) and having a needle passageway therethrough. The blunting member (26) contains a blunting probe (28) having a blunt end (28a). The needle cannula (12) and the blunting probe (28) are disposed telescopically one within the other without obstructing flow through the needle passageway, and are movable between a sharpened configuration in which the puncture tip (14) of the needle cannula (12) is exposed and a blunted configuration in which the blunt end (28a) of the blunting probe (28) extends beyond the puncture tip (14) to blunt the needle assembly. The assembly may be combined with an accessory device (such as a catheter hub, guide wire, etc.) to produce an apparatus that is lockable in a blunted configuration and that can be released by the associated accessory, or may be configured to be released by manual manipulation.

    摘要翻译: 针组件包括针构件(10)和钝化构件(26),针构件(10)包含针插管(12),针插管(12)具有穿刺尖端(14)并且具有针通路 通过。 钝化构件(26)包含具有钝端(28a)的钝化探针(28)。 针管(12)和钝化探头(28)可伸缩地设置在另一个内,而不会阻碍流过针通道,并且可以在其中针插管(12)的穿刺尖端(14)的尖锐构型之间移动, 被钝化的构型,其中钝器探针(28)的钝端(28a)延伸超过穿刺尖端(14)以钝化针组件。 该组件可以与附件装置(例如导管套管,导丝等)组合,以产生可被锁定在钝化构型中的并且可由关联附件释放的装置,或者可被配置为被释放 通过手动操作。

    Holder for blood collection needle with blunting mechanism
    5.
    发明授权
    Holder for blood collection needle with blunting mechanism 有权
    持针机采血针采用钝化机制

    公开(公告)号:US06146337A

    公开(公告)日:2000-11-14

    申请号:US199742

    申请日:1998-11-25

    摘要: The present invention relates to a self-blunting blood collection needle (55) in which a blunting member (26a) is deployed upon withdrawal of a blood collection tube (56a) from the tube holder (e.g., 136), to blunt the needle (22) and so safeguard the patient and the technician from inadvertent needle sticks. The blunting member (26a) is retracted to re-sharpen the needle (22) when a subsequent collection tube is inserted into the holder (136). The deployment and retraction of the blunting member (26a) is accomplished with a mechanism (142) that is responsive to the insertion and withdrawal of the blood collection tube (56a) to retract and deploy the blunting member (26a) accordingly. One feature of the present invention is that the mechanism (142) effects blunting and re-sharpening of the needle without requiring that the technician manipulate the mechanism in a manner different from that of conventional, non-blunting collection needles. Four mechanisms are disclosed: a rack and pinion mechanism (42); a cylindrical cam mechanism (142); a lever mechanism (242) and a reversing strap mechanism (342).

    摘要翻译: 本发明涉及一种自钝性采血针(55),其中在从血管收集管(56a)从管保持器(例如136)取出时,展平构件(26a)展开,使针头钝 22),从而保护患者和技术人员免于无意的针刺。 当随后的收集管插入到保持器(136)中时,钝化构件(26a)缩回以重新锐化针(22)。 钝化构件(26a)的展开和缩回通过机构(142)来实现,该机构响应于采血管(56a)的插入和抽出而相应地缩回和展开钝化构件(26a)。 本发明的一个特征在于,所述机构(142)能够实现针的钝化和再磨削,而不需要技术人员以与常规的非平纹收集针不同的方式操纵机构。 公开了四种机构:齿条和小齿轮机构(42); 圆柱形凸轮机构(142); 杠杆机构(242)和反转带机构(342)。

    Method of producing catheter assemblies for prevention of blood leakage
    8.
    发明授权
    Method of producing catheter assemblies for prevention of blood leakage 失效
    生产用于防止血液渗漏的导管组件的方法

    公开(公告)号:US5156792A

    公开(公告)日:1992-10-20

    申请号:US674831

    申请日:1991-03-25

    IPC分类号: A61M25/00 A61M25/06

    摘要: A catheter is provided which deters the backflow of blood between the insertion needle and the catheter cannula by forming the distal end of the catheter hub so as to restrict the inner diameter of the catheter cannula to a wiping fit with the engaged insertion needle. In a first embodiment the distal end of the catheter hub is pre-formed to its desired final inner dimension. The distal end of the hub is stretched to an oversize condition, the catheter cannula is attached to the hub, and the distal end of the catheter hub is heated, causing a stress relief of the previously stretched hub. The distal end of the catheter hub returns to its pre-formed dimension which will mechanically restrict the diameter of the catheter cannula at that point to form the wiping fit with the engaged needle. In a second embodiment the inner diameter of the distal end of the catheter hub is reduced by inserting the distal end of the hub between the opposing faces of a swaging press, which close to compress the hub in one direction. The degree of closure is controlled by the dimension of at least one of a pair of orthogonally opposing swaging press surfaces, which then close to compress the hub in the orthogonal direction. The distal end of the hub is thus swaged to the desired dimension, and the process advantageously produces a finished product without the production of flash material at the intersection points of the swaging surfaces.

    摘要翻译: 提供导管,其通过形成导管套管的远端来阻止插入针和导管插管之间的血液回流,以便将导管插管的内径限制为与接合的插入针的擦拭配合。 在第一实施例中,导管套管的远端预先形成其所需的最终内部尺寸。 轮毂的远端被拉伸到过大的状态,导管套管附接到轮毂,并且导管套管的远端被加热,从而导致先前拉伸的轮毂的应力消除。 导管毂的远端返回到其预先形成的尺寸,该尺寸将机械地限制该点处的导管插管的直径,以形成与接合的针的擦拭配合。 在第二实施例中,通过将轮毂的远端插入在挤压机的相对面之间来减小导管毂的远端的内径,该型锻压力机靠近在一个方向压缩轮毂。 闭合程度由一对正交相对的挤压冲压表面中的至少一个的尺寸控制,然后紧密的压紧表面接近在正交方向压缩毂。 因此,轮毂的远端被锻压到期望的尺寸,并且该方法有利地产生成品,而不在型锻表面的交叉点处产生闪光材料。

    Needle member with off-set flash chamber and/or display member
    9.
    发明授权
    Needle member with off-set flash chamber and/or display member 失效
    具有偏置闪光室和/或显示构件的针构件

    公开(公告)号:US06623456B1

    公开(公告)日:2003-09-23

    申请号:US09807562

    申请日:2001-04-12

    IPC分类号: A61M5178

    摘要: A needle assembly (10) for insertion or removal of fluids has a housing (20) that defines a flash chamber (64) that is radially offset from the longitudinal axis of the needle. An enhanced surface area display member (80) can be installed in an observable location in a needle housing (20) to facilitate observation of the fluid therein.

    摘要翻译: 用于插入或移除流体的针组件(10)具有限定从所述针的纵向轴线径向偏移的闪蒸室(64)的壳体(20)。 增强的表面积显示构件(80)可以安装在针壳体(20)中的可观察位置,以便于观察其中的流体。

    System for disposal of contaminated medical products
    10.
    发明授权
    System for disposal of contaminated medical products 失效
    污染医疗产品处置系统

    公开(公告)号:US06247592B1

    公开(公告)日:2001-06-19

    申请号:US08963283

    申请日:1997-11-03

    IPC分类号: A61M532

    摘要: A disposed system for medical waste, and particularly sharp ended waste, includes a sharps receptacle and a companion needle holder. The needle holder has an actuation mechanism capable of detachably mounting an externally threaded hub of a needle assembly to the holder. The sharps receptacle has a top with an automatic release structure disposed thereon for engagement with the actuation mechanism of the needle holder. The automatic release structure cooperates with the actuation mechanism of the needle holder to automatically detach a mounted needle assembly from the holder into the sharps receptacle in response to placement of the holder into the automatic release structure.

    摘要翻译: 用于医疗废物,特别是尖锐废物的处置系统包括锐器容器和伴随针保持器。 针保持器具有能够将针组件的外螺纹轮毂可拆卸地安装到保持器的致动机构。 锐器插座具有顶部,其上设置有自动释放结构,用于与针保持器的致动机构接合。 自动释放结构与针保持器的致动机构配合,以响应于将保持器放置到自动释放结构中,自动将安装的针组件从保持器分离到锐器容器中。