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53 条记录 (耗时 0.038 秒)

    Device and method for remote vessel ligation
    21.
    发明授权
    Device and method for remote vessel ligation 有权

    公开(公告)号：US6162173A

    公开(公告)日：2000-12-19

    申请号：US200218

    申请日：1998-11-25

    申请人： Albert K. Chin ,  Edwin J. Hlavka ,  John P. Lunsford ,  Jeffrey W. Baxter

    发明人： Albert K. Chin ,  Edwin J. Hlavka ,  John P. Lunsford ,  Jeffrey W. Baxter

    IPC分类号： A61B1/012 ,  A61B1/015 ,  A61B1/018 ,  A61B1/12 ,  A61B17/00 ,  A61B17/02 ,  A61B17/28 ,  A61B17/32 ,  A61B17/12

    CPC分类号： A61B1/313 ,  A61B17/00008 ,  A61B17/0218

    摘要： A retractor and a surgical tool are positioned within a cannula, and a dissection cradle of the retractor is positioned at the distal end of the cannula. The retractor includes a first portion with an axis approximately parallel to the axis of the cannula and a second portion with an axis skewed relative to the axis of the cannula. The dissection cradle is located at the distal end of the second portion of the retractor, and may include two substantially parallel, spaced legs with the retractor shaped in a loop between and in a plane skewed relative to the axes of the legs, and with the loop directed away from the surgical tool. Thus, in operation, when the surgeon locates a vessel and side branch of interest, the surgeon extends the retractor to cradle the vessel in the dissection cradle. Once cradled, the retractor may be fully extended to urge the vessel away from the axis of the cannula to isolate the side branch for exposure to the surgical tool. The dissection cradle may include a forward shoulder for positioning a suture loop. A forwardly-projecting tensioner supports a length of suture from the loop to maintain the loop in tension for transport along the vein. During advancement, the suture loop is safely maintained in place due to the tension provided by the tension mount and the support provided by the shoulder. Upon reaching the surgical site of interest, the retractor is retracted, causing the suture loop to be displaced onto the vein at the desired position. In one embodiment, the loop is tightened by pulling on the length of suture near the proximal end of the cannula to constrict the suture loop about the vein near the distal end of the cannula.

    Endoscopic inflatable retraction devices for separating layers of tissue, and methods of using
    22.
    发明授权
    Endoscopic inflatable retraction devices for separating layers of tissue, and methods of using 失效
    用于分离组织层的内窥镜充气回缩装置及其使用方法

    公开(公告)号：US5704372A

    公开(公告)日：1998-01-06

    申请号：US282287

    申请日：1994-07-29

    申请人： Frederic H. Moll ,  Jeffrey A. Smith ,  John P. Lunsford ,  Albert K. Chin

    发明人： Frederic H. Moll ,  Jeffrey A. Smith ,  John P. Lunsford ,  Albert K. Chin

    IPC分类号： A61B17/00 ,  A61B17/02 ,  A61B17/22 ,  A61B17/30 ,  A61B17/32 ,  A61B17/34 ,  A61B19/00 ,  A61B19/02 ,  A61M29/00

    CPC分类号： A61B17/3417 ,  A61B17/0218 ,  A61B17/0281 ,  A61B17/22032 ,  A61B90/50 ,  A61B17/3462 ,  A61B2017/00261 ,  A61B2017/00535 ,  A61B2017/00557 ,  A61B2017/306 ,  A61B2017/320048 ,  A61B2017/3486 ,  A61B2090/306

    摘要： An apparatus for separating a first layer of tissue, such as the peritoneum, from a second layer of tissue, such as the properitoneal fascia. The apparatus includes a main envelope that defines a main inflatable chamber. The apparatus also includes an introducing device that introduces the main envelope in a collapsed state between the first layer of tissue and the second layer of tissue. The introducing device also inflates the main envelope into an expanded state to separate the first layer of tissue from the second layer of tissue, and to create a working space between the two layers of tissue. Finally, the apparatus includes an insufflating device that introduces insufflation gas into the working space between the two layers of tissue. A method for separating a first layer of tissue from a second layer of tissue provides a main envelope and insufflation gas. The main envelope defines a main inflatable chamber. The main envelope is introduced in a collapsed state between the first layer of tissue and the second layer of tissue. The main envelope is inflated into an expanded state to separate the first layer of tissue from the second layer of tissue, and to create a working space between the two layers of tissue. Insufflation gas is then introduced into the working space between the layers of tissue.

    摘要翻译： 一种用于从第二层组织（例如腹膜筋膜）分离第一层组织（例如腹膜）的装置。 该装置包括限定主充气室的主外壳。 该装置还包括引入装置，该引入装置将第一层组织和第二组织层之间的折叠状态引入主包络体。 导入装置还使主外壳膨胀成展开状态，以将第一层组织与第二层组织分开，并在两层组织之间形成工作空间。 最后，该装置包括将吹入气体引入两层组织之间的工作空间中的吹入装置。 从第二层组织分离组织的第一层的方法提供主包膜和吹入气体。 主要信封定义了一个主要的可充气室。 在第一组织层和第二组织层之间的折叠状态下引入主信封。 主包膜膨胀成膨胀状态以将第一层组织与第二层组织分开，并在两层组织之间产生工作空间。 然后将吹入气体引入组织层之间的工作空间。

    Instrument And Method For Remotely Manipulating A Tissue Structure
    24.
    发明申请
    Instrument And Method For Remotely Manipulating A Tissue Structure 有权
    用于远程操作组织结构的仪器和方法

    公开(公告)号：US20090131747A1

    公开(公告)日：2009-05-21

    申请号：US12333542

    申请日：2008-12-12

    申请人： Albert K. Chin ,  John P. Lunsford ,  Tenny Chang ,  Jeffrey W. Baxter

    发明人： Albert K. Chin ,  John P. Lunsford ,  Tenny Chang ,  Jeffrey W. Baxter

    IPC分类号： A61B1/32

    CPC分类号： A61B1/313 ,  A61B17/00008 ,  A61B17/0218 ,  A61B2017/00292 ,  A61B2017/003 ,  A61B2017/00778

    摘要： A retractor and a surgical tool are positioned within a cannula, and a dissection cradle of the retractor is positioned at the distal end of the cannula. The retractor includes a dissection cradle that is resiliently supported along an axis skewed relative to the axis of the cannula. The dissection cradle, in operation, is extended to cradle the target vessel, and the retractor may be fully extended to urge the vessel away from the axis of the cannula to isolate a side branch for exposure to a surgical tool. The retractor includes a hollow support and a spray nozzle disposed in the distal end of the retractor to form an irrigation system and lens washer that can be selectively positioned to direct the spray of irrigation fluid at a remote surgical site or at an endoscopic lens.

    摘要翻译： 牵开器和手术工具定位在套管内，并且牵开器的解剖支架位于套管的远端。 牵开器包括一个解剖支架，该夹层支架沿着相对于套管轴线倾斜的轴线弹性支撑。 在操作中的解剖支架被延伸到对目标血管进行摇摆，并且牵开器可以被完全延伸以促使血管远离套管的轴线以隔离侧分支以暴露于手术工具。 牵开器包括中空支撑件和设置在牵开器的远端中的喷嘴，以形成灌洗系统和透镜垫圈，其可以选择性地定位成将冲洗流体的喷雾引导到远程外科手术部位或内窥镜镜片。

    Cannula-based irrigation system and method
    26.
    发明授权
    Cannula-based irrigation system and method 有权
    基于插管的灌溉系统和方法

    公开(公告)号：US06406425B1

    公开(公告)日：2002-06-18

    申请号：US09634132

    申请日：2000-08-08

    申请人： Albert K. Chin ,  John P. Lunsford ,  Tenny Chang ,  Jeffrey W. Baxter

    发明人： Albert K. Chin ,  John P. Lunsford ,  Tenny Chang ,  Jeffrey W. Baxter

    IPC分类号： A61B1702

    CPC分类号： A61B17/0218 ,  A61B1/00091 ,  A61B1/015 ,  A61B1/018 ,  A61B1/126 ,  A61B17/00008

    摘要： A retractor and a surgical tool are positioned within a cannula, and a dissection cradle of the retractor is positioned at the distal end of the cannula. The retractor includes a first portion with an axis approximately parallel to the axis of the cannula and a second portion with an axis skewed relative to the axis of the cannula. The dissection cradle may include two substantially parallel, spaced legs with the retractor shaped in a loop between and in a plane skewed relative to the axes of the legs, and with the loop directed away from the surgical tool. Thus, in operation, when a surgeon locates a vessel and side branch of interest, the surgeon extends the retractor to cradle the vessel in the dissection cradle. Once cradled, the retractor may be fully extended to urge the vessel away from the axis of the cannula to isolate the side branch for exposure to a surgical tool. One of the legs supporting the retractor is hollow and includes a spray nozzle disposed in the distal end of the retractor to form an irrigation system The proximal end of the hollow leg communicates with a fluid inlet which receives irrigation fluid under pressure for washing the endoscope lens. The spray nozzle on the retractor may be positioned to wash the endoscope lens, or upon selective extension of the retractor out of the cannula, the spray nozzle may be positioned to direct the spray of irrigation fluid at a remote surgical site.

    摘要翻译： 牵开器和手术工具定位在套管内，并且牵开器的解剖支架位于套管的远端。 牵开器包括具有大致平行于套管轴线的轴线的第一部分和具有相对于套管轴线倾斜的轴线的第二部分。 解剖支架可以包括两个基本上平行的间隔开的腿，其中牵开器成形为环绕在相对于腿的轴线倾斜的平面之间的环中，并且环路指向远离手术工具。 因此，在操作中，当外科医生定位感兴趣的血管和侧分支时，外科医生将牵开器延伸到将解剖支架中的血管摇动。 一旦收起，收缩器可以完全延伸以促使血管远离套管的轴线，以隔离侧分支以暴露于手术工具。 支撑牵开器的一个腿是中空的，并且包括设置在牵开器的远端中的喷嘴以形成冲洗系统。中空腿的近端与在压力下接收冲洗流体以洗涤内窥镜镜片的流体入口连通 。 牵开器上的喷嘴可以被定位成洗涤内窥镜镜片，或者在将牵开器选择性地延伸出套管之后，可以将喷嘴定位成将冲洗流体喷射在远程外科手术部位。

    Vessel isolating retractor cannula and method
    27.
    发明授权
    Vessel isolating retractor cannula and method 失效

    公开(公告)号：US5895353A

    公开(公告)日：1999-04-20

    申请号：US102723

    申请日：1998-06-22

    申请人： John P. Lunsford ,  Charles Gresl, Jr. ,  Albert K. Chin ,  John W. Davis ,  Tenny Chang ,  Jeffrey W. Baxter

    发明人： John P. Lunsford ,  Charles Gresl, Jr. ,  Albert K. Chin ,  John W. Davis ,  Tenny Chang ,  Jeffrey W. Baxter

    IPC分类号： A61B1/012 ,  A61B1/015 ,  A61B1/018 ,  A61B1/12 ,  A61B17/00 ,  A61B17/02 ,  A61B17/28 ,  A61B17/32

    CPC分类号： A61B17/0218 ,  A61B1/313 ,  A61B17/00008

    摘要： A retractor and a surgical tool are positioned within a cannula, and a dissection cradle of the retractor is positioned at the distal end of the cannula. The retractor includes a first portion with an axis approximately parallel to the axis of the cannula and a second portion with an axis at an angle to the axis of the cannula. The dissection cradle is located at the distal end of the second portion of the retractor, and may include two substantially parallel, spaced legs with the retractor shaped in a loop between and in a plane skewed relative to the axis of the legs, and with the loop directed away from the surgical tool. Thus, in operation, when the surgeon locates a vein and side branch of interest, the surgeon extends the retractor to cradle the vein in the dissection cradle. Once cradled, the retractor may be fully extended to urge the vein away from the axis of the cannula isolate the side branch for exposure to the surgical tool. In another embodiment, the cannula includes a sheath which encases the curved, resilient retractor at a first position to retain the retractor in substantially straight orientation, and which encases the retractor at a second position that allows the retractor to extend at an angle relative to the axis of the cannula.

    Flexible lifting apparatus
    28.
    发明授权
    Flexible lifting apparatus 失效
    柔性起重设备

    公开(公告)号：US5827314A

    公开(公告)日：1998-10-27

    申请号：US867873

    申请日：1997-06-04

    申请人： John P. Lunsford ,  Edwin J. Hlavka ,  Edmund J. Roschak ,  Daniel T. Wallace ,  Charles Gresl, Jr. ,  David B. McCallum ,  Dana G. Mead

    发明人： John P. Lunsford ,  Edwin J. Hlavka ,  Edmund J. Roschak ,  Daniel T. Wallace ,  Charles Gresl, Jr. ,  David B. McCallum ,  Dana G. Mead

    IPC分类号： A61B17/00 ,  A61B17/02 ,  A61B19/02 ,  A61M29/00

    CPC分类号： A61B17/0281 ,  A61B17/0218 ,  A61B2017/00557 ,  A61B2050/314

    摘要： A lifting apparatus for deployment through a laparoscopic incision in a body wall to apply an external lifting force over a large area of the body wall. The apparatus provides a broad lifting surface that is capable of applying a lifting force of at least 40 pounds (180 Newtons) to an area of a body wall sufficiently extensive to reduce the lifting pressure exerted on the body wall to well below that which could cause pressure trauma to the body wall, yet delivers this broad lifting surface through the body wall via an incision about 14 mm long. The apparatus comprises a body wall engaging element capable of passing in a packaged state through the laparoscopic incision, and being inflatable to an inflated state. In the inflated state, the body wall engaging element is substantially toroidal, provides a broad lifting face, and bounds a central hole. The body wall engaging element includes an equatorial portion facing into the central hole. The apparatus also includes a flexible lifting element that has a flexible portion capable of passing through the laparoscopic incision. The flexible portion is attached to the equatorial portion of the body wall engaging element and extends from the equatorial portion towards the broad lifting face. The flexible lifting element also includes an adapter, connected to part of the flexible portion remote from the equatorial portion of the body wall engaging element, that receives the external lifting force and transfers the external lifting force to the flexible portion.

    摘要翻译： 一种提升装置，用于通过体壁内的腹腔镜切口进行部署，以在身体壁的大面积上施加外部提升力。 该设备提供了一个宽大的提升表面，其能够将足够大的至少40磅（180牛顿）的提升力施加到足够广泛的体壁的区域，以减小施加在体壁上的提升压力，远低于可能导致 对身体壁的压力创伤，但通过大约14毫米长的切口将这个宽大的提升表面通过身体壁传递。 该装置包括能够通过腹腔镜切口穿过包装状态并且可充气至膨胀状态的体壁接合元件。 在充气状态下，身体壁接合元件基本上是环形的，提供宽的提升面，并限定中心孔。 身体壁接合元件包括面向中心孔的赤道部分。 该装置还包括具有能够通过腹腔镜切口的柔性部分的柔性提升元件。 柔性部分附接到体壁接合元件的赤道部分并且从赤道部分向着宽的提升面延伸。 柔性提升元件还包括适配器，其连接到远离体壁接合元件的赤道部分的柔性部分的一部分，其接收外部提升力并将外部提升力传递到柔性部分。

    Device and method for remote vessel ligation
    30.
    发明授权
    Device and method for remote vessel ligation 有权
    远程血管结扎装置及方法

    公开(公告)号：US07972265B1

    公开(公告)日：2011-07-05

    申请号：US10897157

    申请日：2004-07-21

    申请人： Albert K. Chin ,  Edwin J. Hlavka ,  John P. Lunsford ,  Jeffrey W. Baxter

    发明人： Albert K. Chin ,  Edwin J. Hlavka ,  John P. Lunsford ,  Jeffrey W. Baxter

    IPC分类号： A61B17/02

    CPC分类号： A61B17/0218 ,  A61B17/00008

    摘要： A retractor and a surgical tool are positioned at the distal end of the cannula. A dissection cradle is located at the distal end of a distal portion of the retractor that is resiliently skewed relative to the cannula axis, and includes two substantially parallel, spaced legs with the retractor shaped in a loop therebetween. The procedure includes locating a vessel and side branch of interest and extending the retractor to retain the vessel in the dissection cradle to urge the vessel away from the axis of the cannula in order to isolate a side branch for exposure to the surgical tool.

    摘要翻译： 牵开器和手术工具位于套管的远端。 解剖支架位于牵开器的远端部分的远端处，其相对于套管轴线弹性偏斜，并且包括两个基本上平行的间隔开的腿，牵开器成形为环形。 该过程包括定位感兴趣的血管和侧分支并延伸收缩器以将血管保持在解剖支架中，以将血管推离套管的轴线，以隔离侧分支以暴露于外科手术工具。