| Patent application number | Description | Published |
|---|
| 20090054874 | MULTI-LUMEN CATHETER INCLUDING A LUMEN HAVING A VARIABLE CROSS SECTIONAL AREA - A multi-lumen catheter configured for insertion into the vasculature of a patient for fluid infusion into or fluid aspiration from the patient is disclosed. The multi-lumen catheter includes one or more cross sectionally variable lumens, wherein the cross sectional area of the lumen(s) may be selectively increased, particularly during fluid infusion, in order to enable relatively greater fluid flow rate therethrough. In one embodiment, the multi-lumen catheter includes a deformable first septum for providing an increased cross sectional area for a lumen under high flow rate pressurization, such as power injection. A deformable second septum also deforms to allow for first septum deformation and additionally provides an urging force to restore the first septum to an un-deformed state once lumen pressurization has ceased. In another embodiment, a bi-positional septum is used to selectively increase the cross sectional area of a lumen of the catheter during power injection. | 02-26-2009 |
| 20090093748 | LOOP-TIP CATHETER - A hemodialysis catheter, including an elongate body with an outer wall enclosing an arterial lumen and a venous lumen, and a method of making same. A loop extends from a distal end of the body and defines an enclosed opening. An arterial inlet in fluid communication with the arterial lumen, and a venous outlet in fluid communication with the venous lumen, are positioned on the loop. | 04-09-2009 |
| 20090204074 | METHODS OF POWER INJECTING A FLUID THROUGH AN ACCESS PORT - Methods of power injecting a fluid through an access port are described. One method includes implanting in a patient an access port suitable for passing fluid therethrough at a rate of at least about 1 milliliter per second, the access port including a body defining a cavity, a septum, and an outlet in fluid communication with the cavity, and flowing a fluid through an infusion set into the access port at a rate of at least about 1 milliliter per second, the infusion set including a needle in fluid communication with a tubing, the tubing in fluid communication with a connector, each of the needle, tubing, and connector constructed to have a burst pressure of at least about 100 psi. | 08-13-2009 |
| 20090216216 | METHODS OF PERFORMING A POWER INJECTION PROCEDURE - Methods of performing a power injection procedure are described. One method includes taking an x-ray of a subcutaneously implanted access port in a patient to determine whether the access port includes a radiographic feature indicating that the access port is suitable for flowing fluid at a rate of at least about 1 milliliter per second through the access port, identifying the indicating radiographic feature on the x-ray, and flowing a fluid through the access port at a rate of at least about 1 milliliter per second. | 08-27-2009 |
| 20100010445 | CONNECTOR SYSTEM FOR A PROXIMALLY TRIMMABLE CATHETER - A catheter connector system for a subcutaneously placed catheter. The catheter connector system permits proximal trimming of the placed catheter, which is a procedure that provides numerous advantages over traditional methods of trimming catheter distal ends prior to implantation. The catheter connector system can be configured for a single lumen catheter or a multiple lumen catheter. The catheter connector system facilitates precise positioning of both distal and proximal ends of a catheter, providing enhanced functionability and patient comfort. | 01-14-2010 |
| 20110098653 | CONNECTOR SYSTEM FOR A PROXIMALLY TRIMMABLE CATHETER - A catheter connector system for a subcutaneously placed catheter and method of attaching a catheter to extracorporeal medical equipment. The catheter connector system and method enables proximal trimming of the placed catheter and facilitates precise positioning of both distal and proximal ends of a catheter. The method includes sliding a boot and dilator combination over a portion of a catheter extending from a venipuncture site until a distal end of the boot is positioned in the venipuncture site, removing the dilator from the boot, and trimming a portion of the catheter extending from a proximal end of the boot. A bifurcation assembly may be attached to the proximal end of the boot following trimming of the catheter. | 04-28-2011 |
| 20110190712 | SACRIFICIAL CATHETER - A sacrificial catheter assembly and method of use for placing a functional catheter within the body of a patient, such as into the patient's vasculature, is disclosed. In one embodiment, the sacrificial catheter assembly comprises a sacrificial catheter including an elongate body that defines a longitudinally extending lumen. A stylet is removably received within the lumen of the sacrificial catheter such that the catheter and stylet can be advanced together to a target destination within the body of the patient. The sacrificial catheter is configured so as to then be proximally slid over the stylet to remove the sacrificial catheter from the body while the stylet remains in place at the target destination. A functional catheter can then be distally slid over the stylet to place the functional catheter at the target destination. The stylet can then be removed from the body of the patient. | 08-04-2011 |
