V2: Pluma de inyección reutilizable con cuerpo de vidrio resistente y tapa metálica, de 3 ml y 60 UI, con dosis ajustable, para uso farmacéutico y sanitario

1. Executive Summary & Clinical Application

The global pharmaceutical landscape is experiencing a major paradigm shift toward precise, self-administered subcutaneous therapies. Driven by innovations in peptide therapeutics, micro-dosing endocrinology, and targeted dermatology, the need for reliable, high-precision delivery hardware has never been more critical. The V2 Reusable Adjustable Dosage Injection Pen by Zhengzhou PharGlass is an advanced delivery system engineered to bridge the gap between clinical efficacy and user autonomy.

Designed as a multi-use mechanical injector, the V2 platform integrates a highly calibrated variable dosage drivetrain compatible with standard 3ml cartridges. With a maximum capacity of 60IU per delivery cycle, it eliminates the risks associated with manual syringe loading, such as air bubbles, inaccurate measurements, and needle phobia. By replacing flimsy disposable single-use alternatives with an aerospace-grade material matrix, Zhengzhou PharGlass delivers a robust B2B solution optimized for clinical trials, contract manufacturing organizations (CMOs), and commercial pharmaceutical distribution.

• Target-Driven Micro-Dosing: Designed for therapeutic formulations that demand strict volumetric control down to international unit fractions.
• Cold-Chain Resilient Integrity: Built to withstand constant transitions between refrigeration temperatures ($2^\circ\text{C} – 8^\circ\text{C}$) and clinical room environments without loss of calibration.
• Standalone Fleet Architecture: Shipped as a streamlined single-pen unit without unnecessary peripheral clutter, allowing pharmaceutical brands to kit according to their specific sterile accessory requirements.

2. Technical Parameter Matrix

Engineering precision within medical delivery systems requires absolute adherence to strict tolerances. The data below outlines the physical and functional parameters of the V2 model:

Características técnicas	Standardized Specification (Model V2)
Product Framework	Adjustable Variable Dosage Auto-Injector
Manufacturer Entity	Zhengzhou PharGlass
Place of Manufacture	Henan, China
Regulatory Domain Scope	Pharmaceutical Packaging, Clinical Healthcare, Skincare
Primary Fluid Vessel	Compatible with Standardized 3ML Cartridges
Maximum Metered Delivery	60IU (International Units)
Drivetrain Mechanics	Fully Mechanical / Manual Lead Screw (Battery-Free)
Structural Shell Material	Medical-Grade Anodized Aluminum
Internal Liquid Pathway	Inert High-Borosilicate Pharmaceutical Glass
Protective Cap Closure	Solid Metal Friction Fit Lid
Internal Gasket Architecture	Low-Friction Elastomeric Rubber Stopper
Dimensiones físicas	16.0 cm $\times$ 1.86 cm
Peso neto del producto	50 grams (Optimal Center of Mass)
Marking and Graduation	High-Contrast, Anti-Abrasion Laser Carving
Aesthetic Finishes	Gold, Blue, Green, Black, Pink, Grey
Commercial Ecosystem	Full Support for OEM / ODM Custom Integration

Supply Chain & Shipping Parameters

• Unit Configuration: Single item packaging (Single pen packaging, without any accessories).
• Dimensional Envelope: 18.0 cm $\times$ 2.0 cm $\times$ 2.0 cm individual transit footprint.
• Logistical Gross Mass: 0.058 kg (58 grams streamlined weight configuration).
• Industrial Protective Packaging: Sealed Blister Nesting + Custom Inner Cardboard Box + High-Density Master Export Carton.

3. Advanced Material Science & Structural Engineering

Pharmaceutical formulations are highly sensitive to their primary container materials. Interacting with reactive plastics or low-grade polymers can cause protein adsorption, chemical leaching, and compromised drug stability. The V2 Injection Pen circumvents these vectors through a hybrid dual-material matrix.

Inert High-Borosilicate Glass Core

At the heart of the V2 pen is an internal lining made from high-borosilicate glass. This specialized material satisfies all global requirements for Type I pharmaceutical glass (including USP $<660>$ and EP 3.2.1). Glass provides an absolute barrier against gas permeation, preventing oxygen and moisture from degrading active ingredients inside the cartridge. This makes the V2 excellent for sensitive biopharmaceuticals, long-chain peptides, and premium hyaluronic skin matrices that degrade when exposed to volatile organic compounds found in basic polymers.

Anodized Aluminum Armor and Metal Cap

The delicate glass inner core is protected by an exterior shell made of medical-grade anodized aluminum. This surface preparation forms an oxide layer that prevents corrosion from sweat, body oils, and harsh clinic-grade sanitization agents like Isopropyl Alcohol or Chlorhexidine. Weighing just 50g, the metal case feels solid and balanced in the hand, reducing tremors during self-injection. The friction-fit metal lid keeps dust and light out, maintaining the stability of light-sensitive compounds.

4. Mechanical Kinematics & Dosing Precision

The V2 Injection Pen functions via a purely mechanical lead screw drive system, requiring no batteries, electronics, or external power. This ensures the pen remains reliable over its entire lifespan, avoiding issues like battery decay or firmware faults that can disable digital smart pens.

[Rotational Dial Input] ──> [Audible/Tactile Click Matrix] ──> [Precision Internal Screw Thread] ──> [Linear Piston Displacement] ──> [Consistent Fluidic Output]

The dosage adjustment system uses a highly accurate rotational dial that provides distinct click feedback for every unit metered. This tactile and auditory confirmation prevents dosing errors for patients with low vision. The precision internal screw thread converts rotational force into linear motion against the rubber stopper with exceptional accuracy, keeping volumetric deviation under $\pm 3.5\%$. This precise delivery profile ensures the drug reaches the targeted subcutaneous or intradermal layer uniformly, minimizing localized tissue trauma and maximizing therapeutic absorption.

5. B2B OEM/ODM Customization Framework

Zhengzhou PharGlass supports pharmaceutical manufacturers and high-end skincare brands with comprehensive OEM/ODM customization services. We adapt our base engineering platform to fit your brand identity and regulatory needs.

Precision Laser Carving and Aesthetics

We use advanced laser carving instead of traditional surface ink printing. This ensures that dosage indexes, batch numbers, and logos remain clear and readable even after years of use and sterilization cycles. Brands can choose from various anodized colors (Gold, Blue, Green, Black, Pink, Grey) to differentiate between drug concentrations, product lines, or brand identities.

Strategic Packaging & Deployment

The V2 is delivered as a streamlined single-pen packaging configuration without any accessories. This lightweight approach (58g gross shipping weight) lowers international freight costs and carbon footprints. It gives pharmaceutical distributors the flexibility to bundle the pen into custom medical kits alongside their own proprietary 3ml cartridges and specific safety needles.

6. Environmental Sustainability & Market Compliance

As healthcare systems worldwide adopt green procurement practices, single-use disposable plastic auto-injectors are facing scrutiny for producing tons of bio-medical waste. The V2 Reusable Injection Pen is an eco-friendly solution to this global issue.

By choosing a reusable aluminum and glass pen from Zhengzhou PharGlass, the only parts discarded after each use are the empty glass cartridge and the disposable needle. Over a standard multi-year treatment cycle, this system reduces medical plastic waste by more than 75% compared to disposable pens. This sustainable design positions your brand as an environmentally responsible leader, appealing to modern clinicians and eco-conscious patients alike.