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Valved Catheter Assemblies And Related Methods

A catheter assembly, catheter technology, applied in the direction of catheters, valves, body balance valves, etc.

Inactive Publication Date: 2016-03-16
B BRAUN MELSUNGEN AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

While this method prevents undesired exposure to blood, positive pressure within the IV line can also prevent desired flashback

Method used

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  • Valved Catheter Assemblies And Related Methods
  • Valved Catheter Assemblies And Related Methods
  • Valved Catheter Assemblies And Related Methods

Examples

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Embodiment Construction

[0020] The following detailed description describes the present embodiments with reference to the accompanying drawings. In the figures, reference numerals designate elements of the invention. These reference numerals are reproduced below in connection with the discussion of corresponding figure features.

[0021] Embodiments of the valved catheter assembly and associated methods of the present invention are described below with reference to the accompanying drawings. These drawings and their written description indicate that certain components of the device are integrally formed and certain other components of the device are formed as separate pieces. Those skilled in the art will recognize that components shown or described herein as being integrally formed may in alternative embodiments be formed as separate pieces. Those skilled in the art will further recognize that components shown or described herein as formed as separate pieces may in alternative embodiments be integ...

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Abstract

The invention relates to valved catheter assemblies and related methods. The valved catheter assemblies described herein provide several advantages, including low cracking pressure for fluid infusion, greater cracking pressure for fluid aspiration, and reduction or elimination of dead space. In some embodiments, a valve of the catheter assembly has a conical shape, which provides different cracking pressures for infusion and aspiration. Also in some embodiments, a valve of the catheter assembly may include peripheral slits that enable fluid to flow around the perimeter of the valve during infusion, which helps to flush out fluid from around the valve.

Description

technical field [0001] The present invention relates to aspiration / infusion devices, such as intravenous ("IV") catheters. More particularly, the present invention relates to flushable peripheral intravenous catheter assemblies having features capable of selectively activating fluid flow through the catheter assembly. Background technique [0002] Catheters are commonly used to infuse fluids into a patient's vasculature, such as saline, various medications, and total parenteral nutrition. Catheters are also commonly used to draw blood from a patient, or to monitor various parameters of a patient's vasculature. [0003] The catheter and / or needle are typically coupled to a catheter adapter, also known as a catheter hub, to enable the attachment of IV tubing to the catheter. Thus, after the catheter or needle is placed in the patient's vasculature, the catheter adapter is coupled to the fluid source through a length of IV tubing. To confirm proper placement of the needle an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61M25/00A61B5/153
CPCA61M25/0097A61M25/0606A61M25/0618A61M2039/0646A61M2039/0653A61M2039/0666A61M2039/2433A61M2039/244
Inventor O·博纳尔
Owner B BRAUN MELSUNGEN AG
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