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    Cannula for receiving surgical instruments
    3.
    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：US07001397B2

    公开(公告)日：2006-02-21

    申请号：US10440002

    申请日：2003-05-16

    Applicant: Thomas W. Davison ,  Timothy E. Taylor ,  Adam Sher

    Inventor： Thomas W. Davison ,  Timothy E. Taylor ,  Adam Sher

    IPC: A61B17/00

    CPC classification number: A61B17/3421 ,  A61B17/0218 ,  A61B17/0293 ,  A61B17/1735 ,  A61B17/1757 ,  A61B17/282 ,  A61B17/29 ,  A61B17/320016 ,  A61B17/32002 ,  A61B17/3439 ,  A61B2017/00238 ,  A61B2017/00261 ,  A61B2017/0046

    Abstract: Methods and cannulae for providing access to a surgical location within a patient are described. 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.

    Abstract translation: 描述了用于提供对患者内的手术位置的接近的方法和插管。 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。

    Surgical tool for use in expanding a cannula
    5.
    发明授权
    Surgical tool for use in expanding a cannula 有权
    用于扩张套管的外科手术工具

    公开(公告)号：US06652553B2

    公开(公告)日：2003-11-25

    申请号：US09906463

    申请日：2001-07-16

    Applicant: Thomas W. Davison ,  Adam Sher ,  John D. Unger

    Inventor： Thomas W. Davison ,  Adam Sher ,  John D. Unger

    IPC: A61B1700

    CPC classification number: A61B17/0218 ,  A61B17/0293 ,  A61B17/282 ,  A61B17/29 ,  A61B17/320016 ,  A61B17/32002 ,  A61B17/3421 ,  A61B17/3439 ,  A61B2017/00238 ,  A61B2017/00261 ,  A61B2017/0046

    Abstract: A surgical tool (112, 410) for use in expanding a cannula (10, 150, 250) includes a first leg (114, 414) having a first end (118, 418) engageable with an inner surface (70, 212, 322) of the cannula. A second leg (114, 414) is connected with the first leg (114, 414). The second leg (114, 414) has a second end (118, 418) engageable with the inner surface (70, 212, 322) of the cannula (10, 150, 250). The first and second ends (118, 418) are movable away from each other to apply a radially outwardly directed force to the inner surface (70, 212, 322) of the cannula (10, 150, 250) and cause expansion of the cannula.

    Abstract translation: 用于扩张插管（10,150,250）的手术工具（112,410）包括具有可与内表面（70,212,322）接合的第一端（118,418）的第一腿部（114,414） ）。 第二腿部（114,414）与第一腿部（114,414）连接。 第二腿部（114,414）具有可与插管（10,150,250）的内表面（70,212,322）接合的第二端部（118,418）。 第一和第二端（118,418）可彼此远离地移动以向套管（10,150,250）的内表面（70,212,322）施加径向向外的力，并引起插管的膨胀 。

    Clamp coagulator/cutting system for ultrasonic surgical instruments
    6.
    发明授权
    Clamp coagulator/cutting system for ultrasonic surgical instruments 失效
    超声波手术器械夹钳/切割系统

    公开(公告)号：US5322055A

    公开(公告)日：1994-06-21

    申请号：US8809

    申请日：1993-01-27

    Applicant: Thomas W. Davison ,  Stephen DiMatteo ,  Paul Smith ,  Gary Whipple

    Inventor： Thomas W. Davison ,  Stephen DiMatteo ,  Paul Smith ,  Gary Whipple

    IPC: A61B17/12 ,  A61B17/00 ,  A61B17/28 ,  A61B17/32 ,  A61B18/00 ,  A61B18/14

    CPC classification number: A61B17/320068 ,  A61B17/320016 ,  A61B17/320092 ,  A61B18/1442 ,  A61B2017/00353 ,  A61B2017/2825 ,  A61B2017/2926 ,  A61B2017/2929 ,  A61B2017/2945 ,  A61B2017/320084 ,  A61B2018/1432

    Abstract: An ultrasonic surgical apparatus includes a surgical instrument having a handpiece with a transducer for converting an electrical signal into longitudinal vibratory motion of a blade connected to the handpiece and an accessory releasably connected to the handpiece to enable clamping of tissue against the vibrating blade to afford improved coagulating and cutting of tissue. Scissors-like grips actuate a pivoted clamp jaw along one side of the ultrasonically vibrating blade to compress and bias tissue against the blade in a direction normal to the direction of longitudinal vibratory movement. The clamp jaw and blade are rotatable relative to one another to align a selected blade edge of a multi-edged blade with the clamp jaw for cutting and coagulating while clamping or circumferentially spacing a selected blade edge from the clamp jaw for cutting and coagulating without clamping.

    Abstract translation: 超声手术装置包括具有手柄的外科器械，该手持件具有用于将电信号转换成连接到手持件上的刀片的纵向振动运动的换能器和可拆卸地连接到手持件的附件，以使组织能够相对于振动刀片夹紧以提供改进的 凝固和切割组织。 剪刀式把手沿着超声波振动叶片的一侧致动枢轴夹钳，以在垂直于纵向振动运动方向的方向上压缩和偏压组织。 钳夹和刀片可相对于彼此旋转，以将多刃刀片的选定刀片边缘与钳夹对齐，用于切割和凝固，同时夹紧或周向间隔选择的刀片边缘与钳夹，用于切割和凝固而不夹紧 。

    Preformable catheter
    7.
    发明授权
    Preformable catheter 失效
    预成型导管

    公开(公告)号：US4834709A

    公开(公告)日：1989-05-30

    申请号：US145706

    申请日：1988-01-19

    Applicant: Robert D. Banning ,  Ronald Crouther ,  Thomas W. Davison

    Inventor： Robert D. Banning ,  Ronald Crouther ,  Thomas W. Davison

    IPC: A61M25/00 ,  A61M39/00

    CPC classification number: A61M39/00 ,  A61M25/0041 ,  A61M25/09025

    Abstract: A catheter and stylet assembly is provided which includes a silicone rubber catheter for insertion into the left ventricle of the heart. A stylet of malleable metal covered by a plastic cover is inserted into the catheter to permit the catheter and stylet to be manually shaped into a desired form before insertion into the patient. The stylet is removable from the catheter after the catheter is in the patient.

    Abstract translation: 提供了一种导管和探针组件，其包括用于插入心脏左心室的硅橡胶导管。 将由塑料盖覆盖的可延展金属的探针插入导管中，以允许导管和探针在插入患者体内之前手动成形为所需形式。 导管在病人身后，探针可从导管中取出。

    Venipuncture method
    8.
    发明授权
    Venipuncture method 失效
    穿刺法

    公开(公告)号：US4175543A

    公开(公告)日：1979-11-27

    申请号：US889284

    申请日：1978-03-23

    Applicant: Fred K. Suzuki ,  Thomas W. Davison

    Inventor： Fred K. Suzuki ,  Thomas W. Davison

    IPC: A61B5/00 ,  A61M5/32 ,  A61M5/42 ,  C09K19/60 ,  G01K11/16 ,  A61B10/00

    CPC classification number: A61B5/489 ,  A61B5/015 ,  A61M5/32 ,  A61M5/427 ,  C09K19/60 ,  G01K11/165

    Abstract: A method of effecting venipuncture in the human body includes the steps of cooling the skin over a venous area of the body by applying a cold pack thereto and providing on the cooled skin in heat exchange relation thereto a layer of an enantiotropic cholesteric liquid crystalline phase material exhibiting a mesophase color change at a temperature reached by the skin due to venous blood flow, warming the cooled skin by venous blood flow in such area thereby to produce a mesophase color change in the material delineating a vein therebeneath, and directing an instrument for venipuncture to a site in such area indicated by the delineation to constitute the location of a vein.

    Abstract translation: 在人体中进行静脉穿刺的方法包括以下步骤：通过向其施加冷包以在身体的静脉区域上冷却皮肤，并在与冷却的皮肤热交换关系中提供一层对映体胆固醇液晶相材料 在由于静脉血流引起的皮肤温度达到的温度下呈现中间相色彩变化，由此在这种区域中通过静脉血流使冷却的皮肤变暖，从而在描绘其中的静脉的材料中产生中间相颜色变化，并引导静脉穿刺器械 到一个指定地区的地点，以构成静脉的位置。

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