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Infusion pump cassette with anti-free-flow valve mechanism

一种输液泵、阀机构的技术，应用在具有柔性工作元件的泵、机器/发动机、泵等方向，能够解决匣盒装置复杂等问题

Inactive Publication Date: 2011-12-21
NESTEC SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Cassette devices of the type disclosed in U.S. Patent No. 5,904,668 to Hyman et al. and U.S. Patent No. 6,165,154 to Gray et al. tend to be more complex and require the action of additional associated mechanisms, such as an infusion pump door , handles, etc. movement or closure to fully function

Method used

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  • Infusion pump cassette with anti-free-flow valve mechanism
  • Infusion pump cassette with anti-free-flow valve mechanism
  • Infusion pump cassette with anti-free-flow valve mechanism

Examples

Experimental program
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Embodiment Construction

[0026]The present invention generally relates to a fluid delivery system that includes an infusion pump and a cassette that can be associated with the infusion pump to deliver fluid to a subject.

[0027] The cassette includes a housing having first and second ends to hold a flexible tubing for conducting fluid therethrough, wherein the tubing is configured to engage a pumping mechanism of an infusion pump that provides fluid through the tubing exercise. The housing has a section with rigid curved walls adjacent to which the tubing engages the pumping mechanism when associated with the infusion pump to provide fluid movement through the tubing. The cassette may include an anti-flow valve mechanism to prevent free flow through the tubing when not engaged with the pump.

[0028] The cassette may be associated with a dedicated infusion pump that controls the free flow of fluid from the reservoir to the subject, and the cassette / pump fluid delivery system provides controlled deli...

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Abstract

A cassette (1) that is insertable into an infusion pump for delivery of a fluid to a subject that has a housing with two ends for holding flexible tubing (75) through which the fluid is directed. The housing has an open area exposing the tubing, the tubing engages a pumping mechanism when inserted into an infusion pump. An anti-flow valve mechanism (100) associated with the tubing or the cassette and present either in, on or near the housing is made up of a piston (103 / 105) and spring (110), where the spring biases the piston against the tubing to prevent fluid flow.

Description

technical field [0001] The present invention relates to a device and method for preventing free flow during enteral or parenteral administration of fluids through the tubing of an infusion line. More particularly, the present invention relates to a device that can be associated with an infusion pump to deliver fluid to a subject, wherein the device includes a flow prevention valve mechanism such that when the device is associated with the infusion pump, the fluid is allowed to flow through the tubing, And when the device is removed from the pump, the anti-flow valve closes the tubing to prevent undesired free flow of solution through the tubing. Background technique [0002] The use of infusion sets to administer fluids to patients is well known in the medical arts. The infusion set is for enteral or parenteral application. Enteral feeding pumps are used to provide nutrition and medication to patients when they are unable to eat normally for various reasons. Parenteral (i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61M5/142A61M39/28
CPCA61M2205/128A61M5/14228A61M5/14232A61M2205/14A61M2205/6045A61M39/281F04B43/12
Inventor S·哈里哈尔桑B·海利
Owner NESTEC SA
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