Needle-Free Multi-Dose Pen Injector for Weight Management & Aesthetic Programs

R&G Bio manufactures needle-free injection systems for weight management clinics, med spas and aesthetic brands — a complete 3-component platform ready for your private label slimming and body-contouring programs.

A spring-powered multi-dose pen delivers weight management peptides and beauty serums through a micro-orifice as a fine high-pressure stream — no needle, no sharps waste, no client anxiety, with consistent dosing session after session.

Every unit is EO gas sterilized, batch-coded for full traceability, and produced in Class 100,000 cleanrooms under an ISO 13485 quality system. Review our certifications and compliance documents and see how we manufacture before you place a bulk order.

We also run full OEM/ODM programs: custom specifications, private labeling, and packaging built around your brand, with factory-direct MOQs and tiered wholesale pricing.

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  • Needle-Free Technology
  • Multi-Dose Pen Design
  • 3-Component System
  • ISO 13485 Factory
  • OEM/ODM Ready

Key Specifications of the Needle Free Injector

Parameter

Specification

Injection Method

High-Pressure Jet (Needle-Free)

Pressure Mechanism

Spring-loaded micro-piston

Dose Control

Digital Adjustment Window (0–35 units)

Injection Dose Range

0.04 mL ~ 0.35 mL

Actuator Usage Cycles

12,000 cycles

Injector Length

Approx. 15 cm

Consumable Shelf Life

3 years

Material

Medical-Grade PC & 304 Stainless Steel

Sterilization

Ethylene Oxide (EO) Gas

Manufacturing Standard

ISO 13485:2016, Class 100,000 Cleanroom

Regulatory Support

CE marking, FDA 510(k) documentation

Injection Button

Manual injection trigger button

Safety Lock

Safety locking mechanism

Dose Window

Dose display window (scale “8” shown in image)

End Cap

Injector tip protective cap

Package Configuration

1 piece per package, individual sterile blister pack

MOQ

50 PCS

OEM / ODM

Available; custom branding, colors, dosage scales

Intended Use

Weight management peptide delivery, slimming & mesotherapy programs, beauty serum infusion, and insulin injection

The 3-Component Needle-Free Injection System

Our needle-free injector is designed to work as part of a complete delivery system. We also supply the essential companion components: the Vial Adapter for secure vial connection, and 0.5mL RTU Medicine Ampoule Container Cartridges for precise drug storage and dosing.

The core power unit with digital dose adjustment and pressurization mechanism. Delivers medication via a high-pressure micro-jet.

The sterile drug storage and delivery container that attaches to the pen injector. Holds up to 0.5mL of liquid medication.

Connects your medication vial to the cartridge so you can draw the required dose. Available in two types depending on your vial cap.

Get everything in one order

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⚡ MOQ: 50 pcs Injector / 1,000 pcs Cartridges | Reply in 12h

Why Switch to Needle-Free Injection Technology?

😰 Client Drop-Off & Program Abandonment

Needle anxiety is the #1 reason weight management clients quit injectable programs early — every abandoned program is lost recurring revenue for your clinic.

⚠️ Sharps Handling & Licensing Hassles

No needles means no sharps disposal costs, fewer regulatory hurdles, and a simpler workflow for your staff — ideal for high-volume aesthetic and slimming practices.

🩹 Skin Trauma & Uneven Absorption

Repeated needle injections cause hard lumps and localized tissue damage, reducing absorption consistency — a visible comfort issue your long-term program clients will notice.

The R&G BIO Needle-Free Solution

Our disposable sterile needle-free injector uses high-pressure jet technology (micro-aperture nozzle) to deliver formulations as a fine mist directly into subcutaneous tissue—no needle required. Perfect for weight management peptide programs, fat-dissolving mesotherapy, hyaluronic acid treatments, and insulin delivery.

Technical Advantages

Mist-Like Dispersion

Atomized medication spreads diffusely over 15-20mm area for faster, more complete absorption vs. pooled liquid from traditional needles.

Digital Dose Control

Precision adjustment window (0-35 units) ensures accurate delivery every time. Multi-dose capability reduces medical waste.

Zero Cross-Contamination

Single-use sterile ampoules with EO gas sterilization help reduce infection risks and needle-stick hazards.

Universal Compatibility

Type A adapter for plastic screw caps, Type B for metal seals. Compatible with all standard insulin and HA vials.

Needle-Free vs. Traditional Needle Injections

Needle-free injection outperforms traditional injection in pain control, psychological comfort, safety (needlestick/infection risk), and drug absorption efficiency—especially suitable for clients on long-term weight management or aesthetic programs who return for regular sessions, and for anyone with needle sensitivity.

Feature

R&G BIO Needle-Free

Traditional Needle

Pain Level

Minimal or Painless (Slight impact sensation, more comfortable experience)

Noticeable Stinging Pain
(Repeated injections can lead to pain memory and fear)

Psychological Impact

Designed to Reduce “Needle Phobia” (Lower psychological burden, more acceptable for first-time and needle-sensitive clients)

Triggers Anxiety and Fear
(Especially for patients with needle sensitivity)

Needlestick Injury Risk

No Sharps (No needles, reducing cross-contamination and needlestick risk)

Risk Present
(Needle exposure poses risk of self-injury or injury to others)

Skin Damage

Reduces Nodules and Lipoatrophy (Avoids repeated puncture at the same site, preventing nodules)

Subcutaneous Nodules
(Long-term injections easily cause subcutaneous nodules and fat hypertrophy)

Infection Risk

No Open Skin Wounds (Jet delivery avoids needle punctures)

Relatively Higher
(Needle piercing skin creates infection risk)

Absorption Efficiency

Broad Tissue Dispersion (High-pressure jet disperses medication across subcutaneous tissue for even absorption)

Average Drug Absorption
(Medication pools under the skin, relatively slower absorption rate)

Dual-Use Applications

💉 Weight Management & Aesthetic Use

Weight Management Clinics
  • GLP-1 weight management peptide delivery (subcutaneous programs)
  • Fat-dissolving & body-contouring mesotherapy cocktails
  • Hyaluronic acid (HA) skin boosters
  • Vitamin & metabolism support injections (B12, C)
  • PRP (Platelet-Rich Plasma) therapy

🏥 Medical Use

Diabetes Care
  • Insulin delivery for Type 1 & Type 2 diabetes
  • Growth hormone administration
  • Vaccine delivery (flu, COVID-19)
  • Chronic disease management

Operation Process

Simple 4-Step Operation

1

Preparation

Remove auxiliary advance mechanism. Insert threaded end of sterile ampoule and tighten securely.

2

Pressurization

Rotate both ends clockwise until “click” indicates activation. Safety lock will pop out automatically.

3

Medication Loading

Connect vial via transfer interface. Rotate counter-clockwise to draw precise dose using digital window.

4

Delivery

Expel air bubbles. Press against skin at 90° to deliver painless, precise injection via micro-jet.

Our Certifications

R&G Bio is an integrated manufacturer with verified FDA registration, ISO 13485 / ISO 9001 certification and EU RoHS compliance — the documentation your market actually requires.

View Our Certificates Certification Support
  • Verified quality system — ISO 13485 / ISO 9001 certified factory, fully batch-traceable
  • Global market access — U.S. FDA registered, EU RoHS verified documentation
  • Custom certification support — if your market requires additional qualifications, we can assist in obtaining the relevant certifications. Contact us to discuss your requirements

Frequently Asked Questions

We offer full customization: device color matching (Pantone), logo engraving, custom dosage scales (units/ml), private label packaging, and multi-language IFU (Instructions For Use). MOQ starts at 1,000 units for basic branding, 5,000 for full color customization.

Our device uses a precise high-pressure spring mechanism to force medication through a 0.1mm micro-aperture nozzle at 100m/s velocity, creating a liquid jet that penetrates the stratum corneum without a physical needle.

The medication disperses in a 15-20mm umbrella pattern in the subcutaneous tissue for optimal absorption.

Most patients report only a mild “pressure snap” sensation rather than a sharp prick, and published evaluations of jet injectors generally report lower pain scores than traditional needles. Individual experience varies. The absence of skin piercing avoids activation of sharp pain receptors, which many needle-sensitive clients find more acceptable.

The injector is validated for weight management peptides, hyaluronic acid fillers (cross-linked), mesotherapy and fat-dissolving cocktails, vitamins (B12, C), insulin (all types), and growth hormones. The high-pressure mechanism handles viscosities up to 500cP. Contact us for specific formulation compatibility testing.

Yes. The needle-free design simplifies sharps handling and reduces client anxiety, making it well suited for high-volume aesthetic and weight management settings. Local regulations on injectable treatments vary — please confirm the requirements in your market before launching a program.

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About R&G Bio

Built on Precision.
Trusted Globally.

01

Where Precision Meets Medical-Grade Standards

ISO 13485 certified facility with ISO Class 100,000 cleanrooms. 316L surgical steel, complete traceability.

02

End-to-End Manufacturing Control

From needle configuration to sterile packaging, every step is precision-controlled with automated assembly and batch tracking.

03

Meeting International Regulatory Standards

CE Mark, FDA Registered, KFDA Approved, ISO 13485, RoHS Compliant. Full documentation for global market entry.

04

Trusted Tattoo Needle Manufacturer Since 2009

15+ years serving 50+ countries with premium cartridge tattoo needles and flexible OEM/ODM solutions.

Ready to discuss your custom tattoo needle requirements?

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OEM / ODM SERVICES

Contact us for wholesale pricing and custom configurations
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Tell us about your requirements and our team will respond within 24 hours with a detailed quote including pricing, lead times, and customization options.

  • support@rgbio.com
  • WhatsApp +86 18057404072
  • No. 703, Xincheng Avenue, Zengcheng District, Guangzhou City, Guangdong Province — Serving Global Markets