 Tri-fold label or business form |
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| Glazing provided with a low-emissivity multilayer stack |
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| Light-emitting device and material therefor |
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| High purity stratified tissue and method of making same |
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| Soft treated uncreped throughdried tissue |
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| Method for making smooth uncreped throughdried sheets |
| OF THE INVENTION Directing attention to the Drawing, the invention will be described in further ... |
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| Soft tissue |
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Splittable multiple catheter assembly and methods for inserting the same
| Details |
Inventors: Ash, Stephen R.; Madison, Anthony J.; Schweikert, Timothy M.;
Assignee: Hemocleanse, Inc. (West Lafayette, IN); Medical Components, Inc. (Harleysville, PA)
Primary Examiner: Bockelman; Mark
Assistant Examiner: Thanh; LoAn H.
Attorney, Agent or Firm: Akin, Gump, Strauss, Hauer & Feld, L.L.P.
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. |
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DETAILED DESCRIPTION OF THE INVENTION Certain terminology is used herein for convenience only and is not be taken as a limitation on the present invention.
The words "right," "left," "outwardly" and "inwardly" designate directions in the drawings to which reference is made.
The words "proximal" and "distal" refer to directions away from and closer to, respectively, the insertion tips of the first and second catheters in the multiple catheter assembly according to the present invention.
The terminology includes the words above specifically mentioned, derivatives thereof, and words of similar import.
The following describes preferred embodiments of the invention.
However, it should be understood, based on this disclosure, that the invention is not limited by the preferred embodiments described herein.
Referring now to the drawings in detail, there are shown in FIGS.
1-4A, embodiments of a multiple catheter assembly generally indicated as 10, 10'.
The catheter assembly 10 shown in FIGS.
1, 2, 3 and 4A is a double catheter assembly, although assemblies having three or more catheters are within the scope of the invention.
Similarly, the catheter assembly 10' shown in FIGS.
1a, 3a, 4F and 4G, which represents a preferred embodiment according to the present invention, is shown and described herein as a double catheter assembly having a modified distal region as described further below, but also may have three or more catheters within the scope of the invention.
The embodiments of FIGS.
1 and 1a are in most respects the same and a general reference and description concerning the embodiment of FIGS.
1, 2, 3 and 4A also applies with respect to the preferred embodiment of FIGS.
1a, 3, 4F and 4G, unless specifically noted herein.
Notably, the distal end regions of the catheters 10, 10' are different in their cross-sectional configurations and the placement of the circumferential openings in those regions.
These features are described further below with specific reference to FIGS.
1, 3, 4F and 4G.
Referring to FIGS
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Manufacturing Materials 
