公开(公告)号：USRE40913E1

公开(公告)日：2009-09-08

申请号：US10997558

申请日：2004-11-24

Applicant: Timothy M. Schweikert ,  Anthony J. Madison ,  Donald A. Schon

Inventor： Timothy M. Schweikert ,  Anthony J. Madison ,  Donald A. Schon

IPC: A61M27/00

CPC classification number: A61M25/0009 ,  A61M25/0029 ,  A61M25/0068 ,  A61M25/007 ,  A61M25/008 ,  A61M2025/0031 ,  A61M2025/0037 ,  A61M2025/0081

Abstract: A multilumen catheter assembly and methods for making and inserting the same are provided. The catheter assembly includes a unitary catheter and at least two distal end tubes which extend distally from the unitary catheter. The at least two lumens in the unitary catheter are in fluid communication with passageways through the distal end tubes. The catheter assembly may be made by extruding a unitary catheter tube having internal longitudinally extending lumens, then splitting the tube on its distal end portion to form distal end tubes. The tubes are then ground and polished to form a smooth surface on the exterior of the tubes. The catheter assembly may also be made by forming an outer layer on at least two longitudinally extending catheters while leaving two distally extending portions of the tubes outside the outer layer to form the distal end tubes. The multilumen catheter assembly may be inserted in a patient for acute and chronic catheterization and subcutaneously tunneled and inserted using a single insertion procedure while leaving the distal end tubes within the vessel capable of free movement and sealing the insertion site into an area to be catheterized.

Abstract translation: 提供了一种多腔导管组件及其制造和插入方法。 导管组件包括整体导管和从整体导管向远端延伸的至少两个远端管。 整体导管中的至少两个腔与通过远端管的通道流体连通。 导管组件可以通过挤出具有内部纵向延伸的内腔的整体导管，然后在其远端部分上分裂管以形成远端管来制造。 然后将管研磨和抛光以在管的外部形成光滑表面。 导管组件也可以通过在至少两个纵向延伸的导管上形成外层，同时将管的两个远端延伸部分留在外层之外以形成远端管。 多腔导管组件可以插入患者中用于急性和慢性导管插入，并且使用单次插入程序皮下穿刺并插入，同时将远端管留在容器内能够自由移动并将插入部位密封到待导管的区域中。

公开(公告)号：US5944732A

公开(公告)日：1999-08-31

申请号：US927392

申请日：1997-08-27

Applicant: J. Daniel Raulerson ,  Anthony J. Madison ,  Timothy M. Schweikert

Inventor： J. Daniel Raulerson ,  Anthony J. Madison ,  Timothy M. Schweikert

IPC: A61B17/34 ,  A61B17/32

CPC classification number: A61B17/3415 ,  A61B17/3417

Abstract: A subcutaneous tunnelling device, a dilator and a method of forming a subcutaneous tunnel are provided. The device includes a trocar having a front end with a point configured for piercing skin, and a dilator which has a front end removably attached to the rear end of the trocar. The dilator is for dilating a section of a subcutaneous tunnel and includes a dilating section having a maximum diameter sized for dilating an interior surface of a subcutaneous tunnel for seating a catheter stabilizing cuff in the subcutaneous tunnel. The method of forming a subcutaneous tunnel includes the steps of inserting a trocar through a first location on a cutaneous surface and moving the trocar through subcutaneous tissue to form a subcutaneous tunnel. The trocar is at least partially removed and a front end of a dilator is attached to the trocar. A section of the tunnel is dilated by moving the dilator partially through the tunnel until the front end of the dilator reaches a first subcutaneous location in the tunnel. The dilator and trocar are at least partially withdrawn from the dilated tunnel section of the subcutaneous tunnel through the first end of the tunnel.

Abstract translation: 提供皮下隧道装置，扩张器和形成皮下隧道的方法。 该装置包括一个具有前端的套管针，该前端具有用于刺穿皮肤的点，以及一个扩张器，其具有可拆卸地附接到套管针的后端的前端。 扩张器用于扩张皮下隧道的一部分，并且包括具有最大直径的扩张部分，其尺寸用于扩张皮下隧道的内表面，用于将导管稳定袖带放置在皮下隧道中。 形成皮下隧道的方法包括以下步骤：将套针针穿过皮肤表面上的第一位置，并通过皮下组织移动套管针以形成皮下隧道。 套管针至少部分地被去除，并且扩张器的前端附接到套管针。 通过将扩张器部分地移动通过隧道，扩张器的一部分扩张，直到扩张器的前端到达隧道中的第一皮下位置。 扩张器和套管针至少部分地通过隧道的第一端从皮下隧道的扩张隧道部分撤出。

公开(公告)号：US08241245B2

公开(公告)日：2012-08-14

申请号：US10961706

申请日：2004-10-08

Applicant: David F. Markel ,  Earl W. Voorhees, Jr. ,  Anthony J. Madison ,  Timothy Schweikert ,  Mahase Nardeo ,  Mark Fisher

Inventor： David F. Markel ,  Earl W. Voorhees, Jr. ,  Anthony J. Madison ,  Timothy Schweikert ,  Mahase Nardeo ,  Mark Fisher

IPC: A61M31/00 ,  A61M37/00

CPC classification number: A61M25/0014 ,  A61M25/0028 ,  A61M25/0045 ,  A61M25/0068 ,  A61M25/007 ,  A61M25/0097 ,  A61M25/0194 ,  A61M2025/0004 ,  A61M2025/0031 ,  A61M2025/0039 ,  A61M2025/0063 ,  Y10T29/49826

Abstract: A co-axial catheter assembly including a first lumen having a first distal end and a first proximal end, and a second lumen having a second distal end and a second proximal end. The second lumen extends co-axially with the first lumen, wherein the second lumen is at least partially disposed within the first lumen and the second distal end extends distally of the first distal end. A catheter hub provides for fluid connections of the inner and outer lumens with respective extension tubes, and includes spacers that maintain the proximal end of the inner lumen concentrically within the proximal end of the outer lumen and the distal end of the inner lumen concentrically within the distal end of the outer lumen, respectively. Methods of manufacturing and of inserting the catheter are also disclosed.

Abstract translation: 一种同轴导管组件，包括具有第一远端和第一近端的第一腔，以及具有第二远端和第二近端的第二腔。 所述第二腔与所述第一腔同轴地延伸，其中所述第二腔至少部分地设置在所述第一腔内，并且所述第二远端在所述第一远端的远侧延伸。 导管座提供内腔和外腔与相应的延伸管的流体连接，并且包括间隔件，其将内腔的近端同心地保持在外腔的近端内并且内腔的远端同心地保持在内腔内 分别为外腔的远端。 还公开了制造和插入导管的方法。

公开(公告)号：US20100043196A1

公开(公告)日：2010-02-25

申请号：US12611991

申请日：2009-11-04

Applicant: David F. Markel ,  Earl W. Voorhees, JR. ,  Anthony J. Madison ,  Timothy Schweikert ,  Mahase Nardeo ,  Mark Fisher

Inventor： David F. Markel ,  Earl W. Voorhees, JR. ,  Anthony J. Madison ,  Timothy Schweikert ,  Mahase Nardeo ,  Mark Fisher

IPC: B23P17/04 ,  B29C43/18

CPC classification number: A61M25/0014 ,  A61M25/0028 ,  A61M25/0045 ,  A61M25/0068 ,  A61M25/007 ,  A61M25/0097 ,  A61M25/0194 ,  A61M2025/0004 ,  A61M2025/0031 ,  A61M2025/0039 ,  A61M2025/0063 ,  Y10T29/49826

Abstract: A co-axial catheter assembly (100), including a first lumen (110) having a first distal end (114) and a first proximal end (112), and a second lumen (120) having a second distal end (124) and a second proximal end (122). The second lumen (120) extends co-axially with the first lumen (110), wherein the second lumen is at least partially disposed within the first lumen and the second distal end extends distally of the first distal end. A method of manufacturing the catheter is also disclosed.

Abstract translation: 包括具有第一远端（114）和第一近端（112）的第一腔（110）和具有第二远端（124）的第二腔（120）的同轴导管组件（100） 第二近端（122）。 所述第二腔（120）与所述第一腔（110）同轴地延伸，其中所述第二腔至少部分地设置在所述第一腔内，并且所述第二远端延伸到所述第一远端的远侧。 还公开了制造导管的方法。

公开(公告)号：US06190349B1

公开(公告)日：2001-02-20

申请号：US09365698

申请日：1999-08-02

Applicant: Stephen R. Ash ,  Anthony J. Madison ,  Timothy M. Schweikert

Inventor： Stephen R. Ash ,  Anthony J. Madison ,  Timothy M. Schweikert

IPC: A61M300

CPC classification number: A61M25/0021 ,  A61M25/0043 ,  A61M2025/0031 ,  A61M2025/0034 ,  A61M2025/0037 ,  A61M2025/004

Abstract: A multiple lumen catheter assembly and methods for inserting the same are provided. The assembly includes a splittable membrane joining a first catheter and a second catheter for allowing the catheters to be at least partially longitudinally split from each other. Each catheter has at least one lumen extending longitudinally through the catheter. One method for inserting the assembly includes making an incision near the area to be catheterized, at least partially splitting the distal end regions of the catheters from each other by splitting apart the splittable membrane, and inserting the distal end regions of the catheters in a juxtaposed relation through the incision and into the area to be catheterized. In another method, the catheters are first tunnelled subcutaneously by pulling the distal end regions of the catheters in the assembly through a tunnel and outwardly from the tunnel near the area to be catheterized, leaving proximal end regions at least partially within the tunnel. An incision is made near the area to be catheterized, the distal end regions of the catheters are at least partially split from each other by splitting the splittable membrane, and the distal end regions of the catheters are inserted in a juxtaposed relation through the incision and into the area to be catheterized.

Abstract translation: 提供了一种多腔导管组件及其插入方法。 该组件包括接合第一导管和第二导管的可分离膜，用于允许导管至少部分地彼此纵向分开。 每个导管具有至少一个沿着导管纵向延伸的内腔。 用于插入组件的一种方法包括在待导管的区域附近形成切口，至少部分地将导管的远端区域彼此分开，通过分开可分离的膜并将导管的远端区域并列插入 通过切口和进入导管区域的关系。 在另一种方法中，导管首先通过穿过隧道拉动组件中的导管的远端区域并从导管区域附近的隧道向外拉动皮下，使得近端区域至少部分地在隧道内。 在待导管的区域附近进行切口，通过分裂可分离的膜，导管的远端区域至少部分地彼此分开，并且导管的远端区域通过切口以并置的关系插入，并且 进入导管区域。

公开(公告)号：US5624413A

公开(公告)日：1997-04-29

申请号：US606152

申请日：1996-02-23

Applicant: David F. Markel ,  Anthony J. Madison

Inventor： David F. Markel ,  Anthony J. Madison

IPC: A61M25/01 ,  A61M25/00

CPC classification number: A61M25/0194

Abstract: A method is provided for inserting a multiple catheter assembly into an area of a body to be catheterized through a single incision. Two independent catheters which are independently movable with respect to each other, or unattached to each other, along their entire length are inserted into the single incision. In use, the first catheter withdraws fluid from the area and the second catheter delivers fluid to the area. As part of the insertion method, the longitudinal distance between proximal portions of the two catheters are adjusted to provide a predetermined longitudinal distance between distal portions of the two catheters within the area.

Abstract translation: 提供了一种用于通过单个切口将多个导管组件插入待导管的身体的区域中的方法。 两个独立的导管可相对于彼此独立地移动，或者彼此不相连，沿其整个长度被插入到单个切口中。 在使用中，第一导管从该区域抽出流体，而第二导管将流体输送到该区域。 作为插入方法的一部分，调整两个导管的近端部分之间的纵向距离，以在该区域内的两个导管的远端部分之间提供预定的纵向距离。

公开(公告)号：US5053004A

公开(公告)日：1991-10-01

申请号：US571930

申请日：1990-08-24

Applicant: David F. Markel ,  Anthony J. Madison ,  David E. Roberts ,  William R. Harkins

Inventor： David F. Markel ,  Anthony J. Madison ,  David E. Roberts ,  William R. Harkins

IPC: A61M5/158 ,  A61M25/00

CPC classification number: A61M5/1582 ,  A61M25/0009 ,  A61M2025/0031 ,  A61M2025/0034 ,  A61M2025/0039 ,  A61M25/0097 ,  A61M25/0102 ,  Y10T29/49826

Abstract: A double-lumen catheter is made of two generally coaxial tubes. The tubes are joined, at their distal ends, by a sleeve inserted between the tubes, the sleeve being bonded to both tubes. The inner and outer tubes are connected, respectively, at their proximal ends, to first and second hubs. The hubs are bonded together. The distal ends of the tubes may be formed into a tapered tip, preferably having a rounded edge. The proximal ends of the tubes can be connected to external fluid devices. The invention also includes a method of making the catheter. According to this method, inner and outer tubes are separately formed, and the proximal end of each tube is connected to a hub. Then, the inner tube is threaded into the outer tube, until the distal ends of the tubes are near each other. A sleeve is inserted between the tubes, at the distal end, and the sleeve is then bonded to both tubes. The hubs are also bonded together. Thus, the tubes are firmly joined to each other, but only at their distal and proximal ends. The outer tube has a plurality of holes, located around its circumference, at the distal end, to provide access to the outer lumen. The distal tip provides an exit port for the inner lumen. The catheter can also be provided with a dilator/stylet which is initially inserted within the inner lumen, and which is withdrawn after the catheter has been inserted into a patient.

Abstract translation: 双腔导管由两个大体上同轴的管制成。 这些管在其远端处通过插入在管之间的套筒连接，套筒连接到两个管。 内管和外管分别在其近端连接到第一和第二毂。 集线器结合在一起。 管的远端可以形成为锥形尖端，优选地具有圆形边缘。 管的近端可以连接到外部流体装置。 本发明还包括制造导管的方法。 根据该方法，分别形成内管和外管，并且每个管的近端连接到毂。 然后，将内管拧入外管，直到管的远端彼此靠近。 在管之间插入套管，在远端处，然后将套筒粘合到两个管上。 轮毂也结合在一起。 因此，管彼此牢固地接合，但仅在其远端和近端处。 外管在远端处具有围绕其圆周设置的多个孔，以提供对外腔的通路。 远端提供用于内腔的出口。 导管还可以设置有最初插入内腔内的扩张器/管心针，并且在导管插入患者体内之后将其取出。

公开(公告)号：US07018374B2

公开(公告)日：2006-03-28

申请号：US10659824

申请日：2003-09-11

Applicant: Donald A. Schon ,  Anthony J. Madison ,  Timothy M. Schweikert

Inventor： Donald A. Schon ,  Anthony J. Madison ,  Timothy M. Schweikert

IPC: A61M27/00

CPC classification number: A61M25/0023 ,  A61M25/0009 ,  A61M25/0029 ,  A61M25/0068 ,  A61M25/007 ,  A61M25/0071 ,  A61M25/008 ,  A61M2025/0031 ,  A61M2025/0034 ,  A61M2025/0037 ,  A61M2025/0081 ,  A61M2025/0188

Abstract: A multilumen catheter assembly is provided, which includes a unitary portion and at least two distal end tubes extending distally from the unitary portion. The unitary portion includes an exterior having a generally round or oval shape in cross section and includes at least two distal end tubes of generally circular (or other) cross sectional shape extending longitudinally therethrough. The catheter assembly may be made by extruding a unitary tube having internal longitudinally extending lumens (of circular or other shape), then splitting the tube on its distal end portion to form distal end tubes. The tubes are then ground and polished, the finished tubes retaining in combination the generally oval cross sectional shape of the unitary extrusion, or the finished tubes can each be finished to a circular, or other, cross sectional shape; or the finished tubes could include a combination of cross sectional shapes over its longitudinal length.

Abstract translation: 提供了一种多腔导管组件，其包括整体部分和从整体部分向远侧延伸的至少两个远端管。 整体部分包括具有大致圆形或椭圆形横截面的外部，并且包括至少两个纵向延伸穿过其中的大致圆形（或其他）截面形状的远端管。 导管组件可以通过挤出具有内部纵向延伸的腔（圆形或其他形状）的整体管制成，然后在其远端部分上分裂管以形成远端管。 然后对管进行研磨和抛光，成品管将整体挤压件的大致椭圆形截面形状保持在一起，或者成品管可以完成为圆形或其它横截面形状; 或者成品管可以包括其纵向长度上的横截面形状的组合。

公开(公告)号：US06695832B2

公开(公告)日：2004-02-24

申请号：US10300999

申请日：2002-11-21

Applicant: Donald A. Schon ,  Anthony J. Madison ,  Timothy Schweikert

Inventor： Donald A. Schon ,  Anthony J. Madison ,  Timothy Schweikert

IPC: A61M2500

CPC classification number: A61M25/0023 ,  A61M25/0009 ,  A61M25/0029 ,  A61M25/0068 ,  A61M25/007 ,  A61M25/0071 ,  A61M25/008 ,  A61M2025/0031 ,  A61M2025/0034 ,  A61M2025/0037 ,  A61M2025/0081 ,  A61M2025/0188

Abstract: A multilumen catheter assembly is provided, which includes a unitary portion and at least two distal end tubes extending distally from the unitary portion. The unitary portion includes an exterior having a generally round or oval shape in cross section and includes at least two distal end tubes of generally circular (or other) cross sectional shape extending longitudinally therethrough. The catheter assembly may be made by extruding a unitary tube having internal longitudinally extending lumens (of circular or other shape), then splitting the tube on its distal end portion to form distal end tubes. The tubes are then ground and polished, the finished tubes retaining in combination the generally oval cross sectional shape of the unitary extrusion, or the finished tubes can each be finished to a circular, or other, cross sectional shape, or the finished tubes could include a combination of cross sectional shapes over its longitudinal length.

Abstract translation: 提供了一种多腔导管组件，其包括整体部分和从整体部分向远侧延伸的至少两个远端管。 整体部分包括具有大致圆形或椭圆形横截面的外部，并且包括至少两个纵向延伸穿过其中的大致圆形（或其他）截面形状的远端管。 导管组件可以通过挤出具有内部纵向延伸的腔（圆形或其他形状）的整体管制成，然后在其远端部分上分裂管以形成远端管。 然后对管进行研磨和抛光，成品管将整体挤压件的大致椭圆形横截面形状保持在一起，或者成品管可以完成为圆形或其它横截面形状，或者成品管可以包括 在其纵向长度上的横截面形状的组合。

公开(公告)号：US11058849B2

公开(公告)日：2021-07-13

申请号：US11698657

申请日：2007-01-26

Applicant: Donald A. Schon ,  Anthony J. Madison ,  Timothy M. Schweikert

Inventor： Donald A. Schon ,  Anthony J. Madison ,  Timothy M. Schweikert

IPC: A61M25/00 ,  A61M25/01

Abstract: A multilumen catheter assembly includes a unitary portion and at least two distal end tubes extending distally from the unitary portion. The unitary portion includes an exterior having a generally circular shape in cross section and is attached to the at least two distal end tubes. In one embodiment, the catheter assembly may be made by extruding a unitary tube having internal longitudinally extending lumens, then splitting the unitary tube at a distal end portion of the unitary tube to form the at least two distal end tubes. The at least two distal end tubes are then ground and polished. In another embodiment, the catheter assembly may be made by extruding the at least two distal end tubes and permanently bonding proximal ends thereof to form the unitary portion.