Dual Chamber Injection Pen
Cartridge Type: 4ml Liquid/Powder Dual-Chamber Cartridge
Drive Mechanism: A/B/C 3-Stage Rotational Step-Locking System
Dose Adjustment: Multi-Position Precision Dose Setting
Injection Mode: Reconstitution, Priming & Injection in One Device
Application: Biologics, Peptides, Hormones, and Lyophilized Drug Formulations
Material: Medical-Grade Pen Components & Type I Borosilicate Glass Cartridge
Customization: Logo, Color, Dose Dial, Packaging, and Labeling Available
Support Services: Device Customization, Compatibility Evaluation, Technical Documentation
Supply Type: OEM / ODM / Contract Manufacturing
Description
Technical Parameters
Dual Chamber Injection Pen Manufacturer | Advanced Drug Reconstitution & Delivery System for Pharmaceutical Applications
The Dual Chamber Injection Pen from Optimedvo is engineered for pharmaceutical companies developing biologics, peptides, hormones, and other high-value formulations that require separation before administration. By integrating drug storage, reconstitution, priming, and injection into a single platform, this system simplifies the drug delivery process while helping maintain formulation stability throughout the product lifecycle.
Unlike conventional injection devices, the system combines a high-precision injection pen with a customized 4ml dual-chamber cartridge featuring an internal bypass channel. The liquid diluent and lyophilized drug remain isolated during storage and are mixed only when required, helping preserve product integrity and shelf life.
As a professional Dual Chamber Injection Pen manufacturer, Optimedvo supports pharmaceutical and biotechnology companies with device development, customization, and technical integration services for combination products.
A/B/C Three-Stage Rotational Step-Locking Mechanism
Stage A – Controlled Reconstitution
The first rotational position activates the reconstitution process by directing the liquid component through the bypass channel into the powder chamber. The controlled transfer allows gradual mixing, reducing excessive pressure, foam generation, and formulation stress.
Stage B – Priming Control
The second locking position prepares the system for administration by stabilizing chamber pressure and supporting accurate priming. This step helps minimize air entrapment and unnecessary product loss.
Stage C – Injection Lock
The final position securely engages the dosing mechanism and injection system. Users can perform dose selection with clear tactile feedback, enabling smooth and precise drug administration.
Technical Specifications
| Section | Details |
|---|---|
| Cartridge Compatibility |
• 4ml liquid/powder dual-chamber cartridge • Internal bypass channel design |
| Drive Mechanism | • A/B/C three-stage rotational step-locking system |
| Dose Adjustment |
• Multi-position dose setting • Audible and tactile feedback mechanism |
| Dosing Performance | • Designed to support ISO 11608 compliance requirements |
| Product Versions |
• Reusable pen platform • Disposable prefilled platform |
| Recommended Applications |
• GLP-1 receptor agonists • Human Growth Hormone (HGH) • Follicle-Stimulating Hormone (FSH) • Interferons• Lyophilized peptide formulations • Antibody-based therapies • Other reconstitution-required injectable drugs |
Applications
Pharmaceutical manufacturers launching injectable biologics.
Biotechnology companies developing peptide therapies.
Contract development organizations (CDMOs).
Drug-device combination product programs.
Specialty pharmaceutical brands requiring customized delivery platforms.
Why Pharmaceutical Companies Choose This Dual Chamber Injection Pen
Instant Closed-System Drug Mixing
Traditional vial-based reconstitution often requires multiple preparation steps that can increase handling complexity. The integrated closed-system design allows mixing directly inside the cartridge immediately before use, reducing workflow steps while supporting formulation protection.
01
Enhanced Protection for Sensitive Biologics
Many modern biologics and peptide-based therapies require careful handling during preparation. The controlled reconstitution pathway helps reduce formulation stress and supports the preservation of critical product characteristics.
02
Premium 4ml Capacity
The 4ml cartridge platform is suitable for larger-volume formulations and specialized therapies where conventional injection systems may face volume limitations.
03
Reliable User Operation
The sequential rotate-lock-confirm process creates clear operational checkpoints that help prevent accidental activation and improve administration consistency.
04
company Certificate
Why Choose Hangzhou Medvo Co., Ltd.?
At OptiMedvo, we are a professional manufacturer of pharmaceutical injection pens, dual-chamber glass cartridges and medical plastic components, with in-house R&D, mold-making and ISO 13485-certified cleanroom production facilities. We support both reusable and disposable pen platforms fully compliant with ISO 11608, offer flexible OEM & ODM customization, and supply trusted pharma partners across over 50 countries with stable, fast lead times and rigorous batch-to-batch quality control.
Development & Technical Support Services
Optimedvo provides more than device manufacturing. Our team supports pharmaceutical companies throughout the development process of drug-device combination products. Available support includes:
- Combination product co-development
- Device integration consultation
- Pen-cartridge compatibility evaluation
- Container Closure Integrity (CCI) support
- Technical file preparation assistance
- Regulatory documentation support
- Prototype and sample development
As a trusted Dual Chamber Injection Pen factory, we understand the technical, regulatory, and commercial requirements associated with advanced injectable therapies and provide practical solutions tailored to project needs.
Quality Checking Process
Production Process
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FAQ
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Specifications
| Parameter | Technical Data |
|---|---|
| Max Injection Range | 0 – 80 IU (0.8 mL per injection) |
| Minimum Unit Dose | 1 IU (0.01 mL) |
| Dosing Increment | 1 click = 1 IU (0.01 mL) |
| Cartridge Volume | 3.0 mL (Total 300 units capacity) |
| Stopper Compatibility | Designed for Long 11.3mm Stoppers |
| Unit Packaging | Bulk Case: 200 pens / case |
| Device Type | Fully Disposable (Integrated Cartridge) |
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