An  effective, low cost solution for vaccines

Leveraging Stress Engineering’s device development approach to utilize low cost/high volume packaging, Force-4 developed a dual chamber device for injection. This approach seeks to minimize the end cost of goods after the injector is fully developed. The impact of this device is an effective, low cost solution, that is intuitive to operate and applicable for global vaccination use.

flexure-model-of-construction

Dual-chamber injector construction

Safety

The design centers around minimizing steps in operation to eliminate use errors. Flexure is sequential in use, and only in one particular order of operations. It cannot be used out of sequence or in reverse. It also cannot be repurposed for another injection purpose.

 

Product construction

The construction and activation through folds that increase pressure from one bullhead to the next is such that each operation cancels out the previous and is not able to be done in reverse. Flexure is intended to only work one way.

flexure how it works simulation of reconstitution

The Flexure difference

Sealed Film Construction – forming dual chambers

 

Frangible Membrane – area between 1st and 2nd bulkhead

 

Offset Fluid Entry – creates a wave and encourages mixing for reconstitution

 

Needle Assembly – welded to films

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