Hanger Arm Extension Pump Cover for NPTWi

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Solution Overview

Problem

Current negative pressure wound therapy systems with instillation (NPTWi) face limitations in the size and shape of fluid containers that can be used due to the configuration of the hanger arm, and the peristaltic pump is exposed and susceptible to damage when not in use.

Innovation Solution

A hanger arm extension pump cover device that supports larger fluid containers and covers the peristaltic pump when not in use, featuring a body with a hook and tab for secure attachment, a sleeve for hanger arm integration, and a panel with latching structures for bracket engagement, protecting the pump and allowing for adjustable height.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If the hanger arm configuration is maintained as is, then the device structure remains simple, but the size and shape of fluid containers that can be used are limited

Engineering Contradiction:

Improvefluid container size and shapeVSAvoidhanger arm configuration

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The pump cover is designed to perform multiple functions: it protects the peristaltic pump when not in use and serves as an extension for the hanger arm during operation. This multi-functionality allows larger fluid containers to be suspended while maintaining device simplicity.

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The invention merges the pump cover and hanger arm extension into a single integrated component. The pump cover includes a hanger arm extension feature that combines the protective cover function with the container suspension function, eliminating the need for separate components.

Inventive Principle:

Principle #5Merging (Combining)

2Reliability

If the peristaltic pump is exposed for easy access, then the ease of operation is improved, but the pump becomes susceptible to damage

Engineering Contradiction:

Improvepump protectionVSAvoidpump accessibility

Core Design Contradiction:

ReliabilityVSEase of operation

Solution Approach 1:

The pump cover is designed to be removable, allowing dynamic switching between protected and accessible states. During operation, the cover can be removed to access the pump, and during storage or non-use, the cover is installed to protect the pump.

Inventive Principle:

Principle #15Dynamics

3Reliability

If a separate pump cover is used to protect the peristaltic pump, then the pump protection is improved, but the device complexity increases

Engineering Contradiction:

Improvepump protectionVSAvoidnumber of components

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The pump cover and hanger arm extension are merged into a single integrated component. This combination eliminates the need for separate pump cover and hanger arm components, reducing overall device complexity while maintaining both protective and suspensive functions.

Inventive Principle:

Principle #5Merging (Combining)

Data Source

PatentEP3727491B1Combination hanger arm extension and pump cover for a wound therapy device

Publication Date: 2023.09.27 SOLVENTUM INTELLECTUAL PROPERTIES CO

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AI summary

A combination hanger arm extension and pump cover device can be used with an instillation unit. The device includes a body portion that has a first end and a second end. A hook extends from the first end, and a tab extends from the body proximate the hook. A panel is disposed proximate the second end. A substantially rectangular sleeve extends at least partially through the body. The sleeve is disposed between the first and second end.