Disposable Spring-Driven Cartridge Pen Injector

Making Precision Dosing Simple, Effective, and Accessible. Cinvice Disposable Spring-driven Cartridge Pen Injector is an intelligent drug delivery system designed for single-use, featuring adjustable dosage and accurate, stable injection performance. Engineered for users who prefer a minimalist operation, it retains the advantages of pre-filled products while thoroughly innovating the injection mechanism—eliminating the protruding barrel extension and incorporating an automatic drug delivery function upon triggering, thus offering a more convenient and reassuring administration experience.

Disposable Spring-Driven Cartridge Pen Injector
Product Size

Total length 163mm, diameter 19mm

Product Specifications
Specifications3ml3ml3ml
Cartridge Specifications3ml3ml3ml
Single Min. Dose (ml)0.01ml0.01ml0.01ml
Single Max. Dose (ml)0.6ml0.35ml0.21ml
Memory Function✓✓✓
Injection FeedbackVisual/auditory cues
Injection Force<10N
Injection Time<10s
Injection AccuracyCompliant with the dose accuracy requirements of ISO 11608-1
Compatible Needle TypeInjection needles in compliance with ISO 11608-2 standard
Type of UseSingle use: discard the entire pen after the drug solution in the cartridge has been completely injected
Product Advantages
  • No Protruding Barrel Structure for Simpler Operation: Compact design with fewer operating steps for easier handling.
  • Spring-Driven, Easy Pressing: High-performance spring-driven system enables low-force injection.
  • Real-Time Dose Visibility for Full Control: Clear dose window allows dose setting to be viewed in real time.
  • Exclusive ergonomic design to prevent rolling: Non-round shape keeps the pen stable on flat surfaces.
  • Dual Feedback for Reliable Reassurance: Visual and auditory cues confirm dose setting and delivery completion.
  • High Precision Compliant with International Standards: Injection accuracy complies with ISO 11608-1 international standards.
  • Low Force Injection for Reduced Pain: Smooth delivery system reduces manual pushing force and discomfort.
Operation Steps
1 Priming
2 Dial dose
3 Inject
Customized Solutions

We provide flexible and diverse customization solutions to help you build differentiated products

  • Appearance Customization: Pen cap appearance, cartridge holder marking printing, housing color & logo, injection button, and dose adjustment printing style.
  • Specification Compatibility: Other specifications and injection volume ranges can be customized.
  • Technical Collaboration: Covers process validation, equipment development, and optimization of assembly processes.
  • Platform-based Development: Rapid customization based on mature platforms to shorten time to market and control project risks.
Customized Solutions
Quality Guarantee
  • Compliant with ISO 13485 Quality Management System requirements
  • Stringent factory inspection standards
  • Provide comprehensive after-sales support and technical services
Quality Guarantee
Drug Compatibility

Compatible with mainstream drug categories on the market, with strong adaptability and broad coverage (the following are representative examples)

Insulin & Analogues
  • Insulin aspart
  • Insulin lispro
  • Insulin glargine
  • Insulin detemir
  • Insulin isophane
  • Regular insulin
GLP-1 (for weight loss / blood sugar reduction)
  • Exenatide
  • Liraglutide
Reproductive & Growth Hormones
  • Follitropin alfa / choriogonadotropin alfa
  • Somatropin (Growth Hormone)
Antibody-mediated Disease Medication
  • Adalimumab / Etanercept / Infliximab
  • Ranibizumab / Aflibercept