Medicament Delivery Sub-Assembly With Universal Powerpack Modularity
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Solution Overview
Problem
The manufacturing of medicament delivery devices is complex and expensive due to the need for customization to meet varying technical requirements for different drugs with different viscosities and volumes, necessitating the identification of suitable components.
Innovation Solution
A method involving the use of standardized components, such as interchangeable plunger rods and delivery member guards, with a universal powerpack to assemble medicament delivery devices, allowing for customization while reducing complexity and cost.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If standardized components are used for medicament delivery devices, then manufacturing cost and complexity are reduced, but the ability to meet varying technical requirements for different drugs is limited
Solution Approach 1:
The patent implements a universal powerpack design that can accommodate multiple types of medicament containers (cartridges and syringes) with different volumes and viscosities. The powerpack contains a reusable motor assembly, control circuitry, and power supply that remain identical across different device configurations, while only the container-specific components vary. This universal platform reduces manufacturing complexity and cost while maintaining the ability to deliver different drugs with varying technical requirements.
2Reliability
If customized components are selected for each drug type, then technical requirements for different viscosities and volumes are met, but manufacturing becomes complex and expensive
Solution Approach 1:
The medicament delivery device is divided into modular segments: a universal powerpack module that handles motorization, control, and power supply, and interchangeable container modules (cartridges or syringes) that are specific to each drug type. This segmentation allows the complex customization requirements to be isolated to the simple container module, while the universal powerpack remains standardized. The result is reduced overall device complexity while maintaining reliable drug delivery performance for different viscosities and volumes through the specialized container designs.
Data Source
AI summary
The present disclosure provides a method of manufacturing a sub-assembly of a medicament delivery device. The method includes identifying one or more standardized components for the sub-assembly of the medicament delivery device from a group of standardized components. The group of standardized components includes at least one of a group of interchangeable plunger rods and a group of interchangeable delivery member guards. The plunger rods in the group have a structural and/or dimensional difference relative to one another, the delivery member guards in the group have a structural and/or dimensional difference relative to one another. The method further includes providing the identified one or more standardized components, providing a universal powerpack for the medicament delivery device, and assembling the sub-assembly of the medicament delivery device using the universal powerpack, and the identified one or more standardized components.