
Disposable Auto-Injector Pen (Prefilled Syringe) MHA-1/-2
Auto-Injector Pen (PFS) · 8 views
Spring-driven automatic injector for prefilled syringes. One-button subcutaneous injection with auditory and visual feedback. Supports 1ml and 2.25ml PFS with needle, filling volume 0.2–2.25ml.
Product Details
Product Overview
The Disposable Auto-Injector Pen is a spring-driven, single-use device designed for prefilled syringe (PFS) applications. It enables one-button subcutaneous injection with built-in auditory and visual completion feedback, making it ideal for patients with limited dexterity or visual impairment.

Technical Specifications
| Model | MHA-1 / MHA-2 |
| Cartridge | 1ml slender PFS with needle / 2.25ml PFS with needle |
| Filling Volume | 0.2–1ml / 0.4–2.25ml |
| Viscosity | 1–35cP |
| Injection Time | 5–15s (depends on fill volume, drug viscosity, and needle diameter) |
| Needle Diameter | 29G TW and larger diameters |
| PFS Needle Shield | Hard or soft |
| Needle Insertion Depth | 5–8mm |
| Injection Feedback | Auditory and visual feedback |
| Dose | Fixed, complete dose |
| Self-lock after Injection | Yes |

Applicable Drugs
- Tirzepatide
- Semaglutide
- Ixekizumab
- Secukinumab
- Omalizumab
- Adrenaline
- Sarilumab
- Dupilumab
- Alirocumab
Key Features
The auto-injection mechanism eliminates the need for manual plunger depression, ensuring consistent injection speed and patient comfort. The built-in safety lock prevents needle-stick injuries after use. Ideal for biologic drugs that require precise, hands-free subcutaneous delivery.
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