Lilly Ergo Pen II – Reusable, Cartridge insulin‑delivery pen (kit)
Complete Starter Kit.
Feature Specification
Dose range: 1–60 units
Dose increment: 1 unit
Cartridge size: 3 mL (100 IU/mL)
Compatible insulin: Humalog®, Huminsulin®
Mechanism: Mechanical piston syringe
Needles: Standard detachable pen needles
Regulatory clearance: FDA 510(k) K151686
Whats in the Box ?
1. Ergo Pen II ( Pens may Vary according to supply)
2. Portable carry case which holds pen, three needles, two -3ml Vials
3. X four 3ML HTC Sterile Vials (57mmx130mm)
4. x three scew on sterile disposible needles (0.23x4mm)
📌 Device Classification & Regulatory Details
Device name: Ergo Pen II
Manufacturer: Either = Eli Lilly® and Company, Humalog® & Huminsulin® depending on supply.
Regulatory class: Class II piston‑syringe device
FDA clearance: 510(k) K151686 (cleared 30 Dec 2015)
⚙️ Mechanical & Functional Specifications
Dose Delivery
Dose range: 1 to 60 units per injection
Dose increments: 1‑unit steps (fully adjustable)
Over‑dial protection: If you dial too high, you can dial back without wasting insulin
Injection mechanism: Manual mechanical piston drive (no electronics)
Cartridge Compatibility
Compatible cartridges:
Humalog® 3 mL (100 IU/mL)
Huminsulin® 3 mL (100 IU/mL)
Other Lilly 3 mL cartridges depending on region
Source: Official user manual
Cartridge holder: Screw‑type attachment for secure seating
Needle Compatibility
Uses single‑use, detachable pen needles (not included)
Compatible with standard pen‑needle brands (e.g., BD Viva® per NHS device guide)
Pen Construction & Components
From the official manual diagram:
Pen body
Dose knob
Injection button
Cartridge holder
Plunger
Inner & outer needle caps
Rubber cartridge cap seal
Paper tab (needle)
Designed for ergonomic grip and repeatable mechanical dosing.
📏 Physical & Usability Features
Reusable lifespan: Long‑term mechanical use (no electronics to expire)
Colour variants: Multiple colours depending on region (functionally identical)
Ergonomic design: Shaped for stable grip and low‑force dose dialing
Reset mechanism: Automatic plunger reset when inserting a new cartridge
Safety: No insulin exposure during cartridge change
🧪 Intended Use
Self‑injection of insulin using Lilly 3 mL cartridges
Suitable for adults and children with proper training
Designed for home and clinical use

