Cannula for receiving surgical instruments
    6.
    发明授权
    Cannula for receiving surgical instruments 有权
    插管用于接受手术器械

    公开(公告)号:US07223278B2

    公开(公告)日:2007-05-29

    申请号:US10440231

    申请日:2003-05-16

    IPC分类号: A61M29/00

    摘要: A cannula (10) receives surgical instruments (120) for performing a surgical procedure on a body (130). The cannula (10) comprises a tube structure (12) defining a passage (16) through which the surgical instruments (120) are inserted into the body (130). The tube structure (12) has a proximal end (20) and a distal end (62). The tube structure (12) includes an expandable portion (40) for enabling an increase in the cross-sectional area of the passage (16) at the distal end (62). The expandable portion (40) of the tube structure (12), when expanded, has a conical configuration.

    摘要翻译: 套管(10)接收用于在身体(130)上执行外科手术的外科器械(120)。 套管(10)包括限定通道(16)的管结构(12),外科器械(120)可以通过该通道插入主体中)。 管结构(12)具有近端(20)和远端(62)。 管结构(12)包括可扩展部分(40),用于使远端(62)处的通道(16)的横截面面积增加。 管结构(12)的可膨胀部分(40)在膨胀时具有圆锥形构型。

    Methods and devices for improving blood flow to a heart of a patient
    7.
    发明授权
    Methods and devices for improving blood flow to a heart of a patient 失效
    用于改善患者心脏的血流的方法和装置

    公开(公告)号:US5989274A

    公开(公告)日:1999-11-23

    申请号:US770319

    申请日:1996-12-20

    IPC分类号: A61B18/00 A61B17/00 A61B17/32

    摘要: One device in accordance with the present invention includes a surgical device for creating channels in tissue of a patient. The device includes a catheter defining a lumen and a transducer assembly carried by the catheter along a lengthwise dimension of the catheter. An end effector is operatively coupled to the transducer assembly and extends distally relative to the transducer assembly. The end effector has a vibrating channel-forming tip wherein the channel-forming tip is adapted to create channels in the heart of a patient. A method in accordance with the present invention includes the steps of inserting an end effector having a tip into a patient, placing the tip of the end effector in direct contact with a surface of the heart, energizing the end effector to cause the tip to vibrate, piercing through the surface of the heart with the tip to create a channel, and removing the end effector.

    摘要翻译: 根据本发明的一个装置包括用于在患者的组织中产生通道的外科装置。 该装置包括限定内腔的导管和由导管沿导管的纵向尺寸承载的换能器组件。 端部执行器可操作地耦合到换能器组件并相对于换能器组件向远侧延伸。 末端执行器具有振动通道形成末端,其中通道形成末端适于在患者的心脏中产生通道。 根据本发明的方法包括以下步骤:将具有尖端的末端执行器插入患者体内,使末端执行器的末端与心脏的表面直接接触,激励末端执行器以使尖端振动 用尖端穿过心脏表面以形成通道,并且移除末端执行器。

    Catheter
    8.
    发明授权
    Catheter 失效
    导管

    公开(公告)号:US4617019A

    公开(公告)日:1986-10-14

    申请号:US655853

    申请日:1984-09-28

    IPC分类号: A61M25/00

    摘要: An intercostal catheter is provided which, when the distal end is flattened for insertion into an incision of a patient from the exterior, has a distal end that is smooth and substantially free of deleterious protuberances to minimize damage the patient. A method of making an intercostal catheter is provided that includes the steps of severing tubing at an acute angle to its longitudinal axis, and displacing a portion of the proximal extremity of the end wall of the severed end to prevent the occurrence of a protuberance when the tube end is flattened for insertion.

    摘要翻译: 提供肋间导管,当远端被平坦化以插入患者从外部切口时,具有平滑且基本上没有有害突起的远端,以最小化患者的损伤。 提供了一种制造肋间导管的方法,其包括以与其纵向轴线成锐角切断管道的步骤,以及使切断端部的端壁的近端部分的一部分移位,以防止当 管端扁平插入。

    Cholesteric liquid crystalline phase material-dye composition and
venapuncture method employing the composition
    9.
    发明授权
    Cholesteric liquid crystalline phase material-dye composition and venapuncture method employing the composition 失效
    胆固醇液相材料 - 染料组合物和采用组合物的静脉法

    公开(公告)号:US4015591A

    公开(公告)日:1977-04-05

    申请号:US658407

    申请日:1976-02-17

    摘要: A composition of matter having thermal color responsive characteristics and adapted for exhibiting improved color contrast includes an enantiotropic cholesteric liquid crystalline phase material, and at least two oil-soluble dyes dissolved in the material in a total dye concentration of 0.01-1% by weight of the composition, each of the dyes reflecting light of a different wave length in the range of 400 to 700 nanometers, and said dyes together absorbing light of substantially all wave lengths within said range. A method of effecting venapuncture in the human body includes the steps of cooling the skin over a venous area, applying directly on the skin a layer of the composition about 100 to 300 microns thick, allowing the skin over the venous area to rewarm due to venous blood flow, until the said material exhibits a mesophase color change to thereby delineate a vein therebeneath, and directing an instrument for venapuncture to a site in the said area indicated by the delineation to constitute the location of a vein.

    摘要翻译: 具有热色响应特性并适于显示改进的颜色对比度的物质组合物包括对映体胆固醇液晶相材料和溶解在材料中的至少两种油溶性染料,其总染料浓度为0.01-1重量% 所述组合物,每种染料反射在400-700纳米范围内不同波长的光,并且所述染料一起吸收在所述范围内基本上所有波长的光。 在人体中进行静脉穿刺的方法包括以下步骤:在静脉区域上冷却皮肤,在皮肤上直接施加约100至300微米厚的组合物层,允许静脉区域上的皮肤由于静脉而再次恢复 直到所述材料显示中间相颜色变化,从而描绘其中的静脉,并将用于静脉穿刺的器械引导到由所述描绘所指示的所述区域中的部位以构成静脉的位置。