公开(公告)号：US5190551A

公开(公告)日：1993-03-02

申请号：US628390

申请日：1990-12-14

申请人： ALbert K. Chin ,  Milton B. McColl ,  Kathryn J. Hoffman ,  Diane E. Caramore

发明人： ALbert K. Chin ,  Milton B. McColl ,  Kathryn J. Hoffman ,  Diane E. Caramore

IPC分类号： A61F2/46

CPC分类号： A61B17/8847

摘要： A cement plug received within a bone recess is extracted by forming a bore within the plug, tapping the bore to form internal screw threads therein, engaging the threads with a pulling tool, and applying tension to the tool to extract the plug. The bore is formed through means of a rod inserted into the plug while in a fluid state and/or a drill bit having a tubular guide received therearound to maintain the bit in generally aligned condition with the bone recess and limit the depth to which the bit penetrates the plug. The degree to which the bore is tapped and engaged by the pulling tool is controlled to avoid exceeding the extent of the bore and the screw threads formed therein. One embodiment employs a self-tapping extraction rod which serves both as a tap to form the screw threads and as the pulling tool to apply tension to extract the plug. Another embodiment employs a tap which is separate from the pulling tool. In both embodiments, a sleeve received around the tap and tool serves to measure and limit the extent to which the screw threads are formed and engaged.

摘要翻译： 容纳在骨凹槽内的水泥塞通过在塞子内形成一个孔而被抽出，从而在孔内敲击以在其中形成内螺纹，使其与牵引工具接合，并向工具施加张力以提取塞子。 通过在流体状态下插入插塞中的杆的方式形成孔，和/或具有接收在其周围的管状引导件的钻头，以将钻头保持在与骨凹槽大致对齐的状态并限制钻头的深度 穿过插头。 控制钻孔和拉动工具接合的程度，以避免超过其中形成的孔和螺纹的程度。 一个实施例采用自攻丝提取杆，其既用作丝锥形成螺纹，又用作牵引工具以施加张力以提取塞子。 另一个实施例采用与牵引工具分开的水龙头。 在两个实施例中，围绕丝锥和工具容纳的套筒用于测量和限制螺纹形成和接合的程度。

公开(公告)号：US5078718A

公开(公告)日：1992-01-07

申请号：US510145

申请日：1990-04-17

申请人： Frederic H. Moll ,  Milton B. Mccoll ,  F. T. Watkins ,  Charles Gresl

发明人： Frederic H. Moll ,  Milton B. Mccoll ,  F. T. Watkins ,  Charles Gresl

IPC分类号： A61F2/46

CPC分类号： A61B17/8847

摘要： A method and apparatus for removing a pre-placed prosthetic joint from a bone cavity and conditioning the cavity for receipt of a replacement joint. The pre-placed joint is first pulled from the mantle of hardened cement holding it within the cavity, thus leaving a cavity within the mantle. A mass of fluid cement is then placed within the cement cavity, after which a pulling tool is inserted into the fluid cement and the fluid cement is permitted to cure to bond with the hardened cement and form an integral mass. The pulling tool has detachable sections or sleeves, each with grip forming elements on its exterior and structure to connect a slap-hammer to its proximal end. Tension is then applied to the each section to remove the section and the cement mantle surrounding it from the bone cavity. The process is repeated for each section until all of the cement mantle is removed.

摘要翻译： 一种用于从骨腔去除预置的假体关节并调节腔以接收替换关节的方法和装置。 预先放置的接头首先从硬化水泥的地壳中拉出，将其保持在空腔内，从而在地幔内留下一个空腔。 然后将大量流体水泥放置在水泥腔内，然后将拉动工具插入流体水泥中，并允许流体水泥固化以与硬化的水泥结合并形成整体。 牵引工具具有可拆卸的部分或套筒，每个部分或套筒在其外部具有夹紧形成元件并且将结构连接到其近端。 然后将张力施加到每个部分以从骨腔去除该部分和围绕其的水泥套。 对于每个部分重复该过程，直到除去所有的水泥套。

公开(公告)号：US5122143A

公开(公告)日：1992-06-16

申请号：US720656

申请日：1991-06-25

申请人： Milton B. McColl ,  Frederic H. Moll

发明人： Milton B. McColl ,  Frederic H. Moll

IPC分类号： A61F2/36 ,  A61F2/46

CPC分类号： A61B17/8847

摘要： A method and apparatus for removing a pre-placed prosthetic appliance anchored in place in a bone recess by a cement mantle and conditioning the recess for receipt of a replacement appliance. The preplaced appliance is first pulled from the mantle of hardened cement holding it within the recess, thus leaving a cavity within the mantle. A screw threaded post having nuts threadably engaged therewith at longitudinally spaced locations is then anchored within the cavity with a new mass of cement. Thereafter, the post is threadably disengaged from the nuts, leaving the nuts in place within the new mass of cement. A pulling tool is then successively engaged with the nuts and tensioned to incrementally remove the mantle from the recess.

摘要翻译： 一种用于通过水泥罩去除锚定在骨凹槽中的预置假体器具的方法和装置，并且调节所述凹部以接收更换器具。 首先将预置的器具从硬化水泥套中拉出，将其保持在凹槽内，从而在地幔内留下空腔。 然后用新的水泥块将具有螺母与螺纹连接的螺纹柱在纵向间隔开的位置处固定在空腔内。 此后，柱与螺母螺纹脱开，将螺母留在新的水泥块内的适当位置。 然后拉动工具与螺母相继接合并张紧以逐渐从凹部移除地幔。

公开(公告)号：US5041120A

公开(公告)日：1991-08-20

申请号：US467724

申请日：1990-01-19

申请人： Milton B. McColl ,  Albert K. Chin

发明人： Milton B. McColl ,  Albert K. Chin

IPC分类号： A61B19/00 ,  A61F2/46

CPC分类号： A61B17/8847 ,  A61B2090/062

摘要： A mantle of cement having an elongate cavity formed therein is removed from adhered condition within a bone recess by successively breaking away sections of the mantle with a plurality of elongate screw threaded pulling elements proportioned to engage a limited length of a screw threaded mass of cement received in the cavity. The apparatus of the invention is provided in kit form with sufficient elements to enable the full length of the mantle to be removed in successive steps. The kit may also include a cement injection syringe and vent tube to fill the cavity of the mantle with a mass of cement, a die to form a screw threaded passage in the mass of cement, and a slap hammer connectable to the pulling elements.

摘要翻译： 通过用多个细长的螺纹拉拔元件连续地切除外套的部分，使其中形成有细长空腔的水泥套被从骨凹槽中的粘附状态中去除，该多个细长的螺纹拉拔元件成比例地接合有限长度的接收的螺纹质量的水泥 在腔里。 本发明的装置以套件形式提供，具有足够的元件，以使得能够在连续的步骤中移除地幔的全长。 试剂盒还可以包括水泥注射注射器和通气管，以用大量的水泥填充地幔的腔体，模具以在水泥块中形成螺纹通道，以及可连接到牵引元件的敲击锤。

公开(公告)号：US5222957A

公开(公告)日：1993-06-29

申请号：US866699

申请日：1992-04-10

申请人： Milton B. McColl ,  Frederic H. Moll

发明人： Milton B. McColl ,  Frederic H. Moll

IPC分类号： A61F2/46

CPC分类号： A61B17/8847

摘要： A method and apparatus for removing a pre-placed prosthetic appliance anchored in place in a bone recess by a cement mantle and conditioning the recess for receipt of a replacement appliance. The preplaced appliance is first pulled from the mantle of hardened cement holding it within the recess, thus leaving a cavity within the mantle. A screw threaded post having nuts threadably engaged therewith at longitudinally spaced locations is then anchored within the cavity with a new mass of cement. Thereafter, the post is threadably disengaged from the nuts, leaving the nuts in place within the new mass of cement. A pulling tool is then successively engaged with the nuts and tensioned to incrementally remove the mantle from the recess.

摘要翻译： 一种用于通过水泥罩去除锚定在骨凹槽中的预置假体器具的方法和装置，并且调节所述凹部以接收更换器具。 首先将预置的器具从硬化水泥套中拉出，将其保持在凹槽内，从而在地幔内留下空腔。 然后用新的水泥块将具有螺母与螺纹连接的螺纹柱在纵向间隔开的位置处固定在空腔内。 此后，柱与螺母螺纹脱开，将螺母留在新的水泥块内的适当位置。 然后拉动工具与螺母相继接合并张紧以逐渐从凹部移除地幔。