Dual Chamber Cartridge Pen
Mixing System: Internal Bypass Channel Design
Operating Mechanism: A/B/C Three-Stage Rotational Locking Structure
Dose Setting: Adjustable Multi-Dose Configuration
Feedback System: Audible and Tactile Click Mechanism
Materials: Medical-Grade Components and Type I Borosilicate Glass Cartridge
Application Areas: Peptides, Biologics, Hormones, Lyophilized Injectable Drugs
Customization: OEM, ODM, Private Label Manufacturing
Description
Technical Parameters
Dual Chamber Cartridge Pen Manufacturer for Advanced Drug Reconstitution Systems
The Dual Chamber Cartridge Pen from Optimedvo is developed for pharmaceutical and biotechnology companies seeking a reliable platform for drug reconstitution and delivery. Combining a reusable pen body with a specialized 4ml liquid-and-powder cartridge, the system enables formulation preparation and administration within a sealed environment.
Designed for peptide drugs, biologics, hormones, and other moisture-sensitive formulations, the device keeps active ingredients separated until the point of use, helping maintain product stability during storage and transportation.

Product Highlights

1. Integrated Reconstitution and Delivery Platform
The system combines drug storage, mixing, dose preparation, and injection into a single device architecture. The customized dual-chamber cartridge incorporates an internal bypass channel that allows controlled transfer of liquid into the powder chamber when activated. This streamlined design reduces handling steps and creates a more efficient preparation process for high-value injectable products.
Unlike conventional cartridge systems, the Dual Chamber Cartridge Pen utilizes a staged rotational mechanism to guide users through preparation and administration.
Step 1 – Reconstitution: The cartridge holder is rotated to activate liquid transfer. The formulation is mixed gradually inside the cartridge, helping maintain consistency throughout the reconstitution process.
Step 2 – Priming: The second position prepares the cartridge for injection and supports accurate dose delivery by minimizing trapped air.
Step 3 – Injection: The final locking position fully engages the dose selector and injection mechanism, allowing smooth and controlled administration.
Technical Specifications
| Category | Details |
|---|---|
| Product Type | Dual Chamber Cartridge Pen |
| Compatible Cartridge | 4ml Liquid/Powder Dual-Chamber Cartridge |
| Mixing System | Internal Bypass Channel Design |
| Operating Mechanism | A/B/C Three-Stage Rotational Locking Structure |
| Dose Setting | Adjustable Multi-Dose Configuration |
| Feedback System | Audible and Tactile Click Mechanism |
| Product Versions | Reusable and Disposable Options Available |
| Materials | Medical-Grade Components and Type I Borosilicate Glass Cartridge |
| Application Areas | Peptides, Biologics, Hormones, Lyophilized Injectable Drugs |
| Customization | OEM, ODM, Private Label Manufacturing |
Target Applications
GLP-1 receptor agonist products.
Human Growth Hormone (HGH).
Follicle-Stimulating Hormone (FSH).
Interferon therapies.
Peptide-based formulations.
Antibody and biologic products requiring reconstitution.

Advantages for Pharmaceutical Development Projects
Closed-Cartridge Mixing Design
The liquid and lyophilized components remain separated during storage and are combined only when needed.
4ml Cartridge Capacity
The 4ml format provides additional flexibility for therapies that require larger fill volumes compared with standard injection pen platforms.
Enhanced User Confidence
Distinct rotational stages create clear operational feedback and reduce the possibility of incorrect handling during preparation and injection.
Flexible Device Customization

As an experienced Dual Chamber Cartridge Pen supplier, Optimedvo offers customization services tailored to commercial and clinical requirements, including:
Custom colors and branding.
Logo integration.
Packaging development.
Dose dial configuration.
Project-specific device modifications.
about Us
Hangzhou Medvo Co., Ltd. specializes in medical consumables and advanced drug delivery solutions for global pharmaceutical and biotechnology companies. With strong manufacturing capabilities, flexible customization options, and comprehensive project support, we help customers develop reliable delivery systems that align with both technical and commercial objectives.
Whether you are searching for a dependable Dual Chamber Cartridge Pen supplier, an OEM development partner, or a long-term manufacturing resource, Optimedvo is ready to support your next injectable drug delivery project.

Technical Support for Combination Products
Optimedvo works closely with pharmaceutical companies throughout the development process of drug-device combination products. Our support services include:
- Device feasibility evaluation
- Pen and cartridge compatibility assessment
- Container Closure Integrity (CCI) support
- Prototype development
- Technical documentation assistance
- Regulatory project support
As a professional Dual Chamber Cartridge Pen factory, we understand the challenges involved in bringing complex injectable therapies to market and provide practical engineering support from concept to commercialization.
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