ISO 7886-2:2020

Overview

ISO 7886-2:2020 specifies requirements for sterile single‑use hypodermic syringes (nominal capacity 1 ml and above) made of plastic and intended for use with power‑driven syringe pumps. It defines design, dimensional and performance requirements, test methods and information that manufacturers must supply. The standard excludes auto‑disable syringes (ISO 7886‑3), insulin syringes (ISO 8537), glass syringes, prefilled syringes and pharmacist‑fill kits, and it does not address compatibility with injection fluids.

Key topics and technical requirements

• Scope and exclusions: Plastic, single‑use syringes ≥1 ml for power‑driven pumps; several syringe types explicitly excluded.
• Design and nomenclature: Requirements for barrel, nozzle, piston/plunger assemblies and overall syringe geometry (see Clause 11–13).
• Performance tests (Clause 14 and normative Annexes):
  • Dead space - limits on residual volume.
  • Leakage - freedom from air and liquid leakage past the plunger stopper.
  • Short‑term flow‑rate accuracy - test methods and acceptance criteria (Annex A).
  • Pump forces - measurement guidance (Annex B).
  • Syringe compliance - determination procedures (Annex C).
• Material and chemical limits: Acidity/alkalinity, extractable metals, and lubricant considerations (Clauses 6–8).
• Graduated scale and tolerance: Marking, scale accuracy and capacity tolerances (Clauses 9–10).
• Packaging and labelling: Unit, multiple‑unit and user packaging, plus mandatory manufacturer information and marking (Clauses 15–16).
• Test methodology notes: Recognizes gravimetric limits at very low flow rates (speeds <1 ml/h considered inappropriate for some test methods) and emphasizes system performance as the syringe + pump combination.

Practical applications and users

ISO 7886‑2 is used to:

• Guide syringe manufacturers in design, dimensional tolerances, material selection, and performance testing for syringes intended for syringe pumps.
• Inform syringe pump manufacturers when validating pump‑syringe system performance (force settings, occlusion alarms, flow accuracy).
• Support regulatory submissions, procurement teams, and clinical engineers specifying syringe and pump compatibility, labelling and packaging requirements.
• Provide test labs with standardized methods to assess flow‑rate accuracy, leakage, dead space and mechanical performance.

Practical benefits include improved infusion accuracy, predictable pump forces, consistent packaging/marking, and clearer manufacturer information for safer pump operation.

Related standards

• ISO 7886‑1:2017 - Syringes for manual use
• ISO 7886‑3 - Auto‑disable syringes (exclusion referenced)
• ISO 8537 - Syringes for insulin (exclusion referenced)
• ISO 80369‑7 - Small‑bore connectors (relevant connector requirements)
• ISO/TR 19244 - Guidance on transition periods and implementation
• ISO 3696 - Water for analytical laboratory use (referenced test material)

Keywords: ISO 7886‑2, sterile hypodermic syringes, power‑driven syringe pumps, single‑use syringes, flow rate accuracy, syringe compliance, pump forces, dead space, syringe packaging.