Glass Microelectrode Injection Pump

Glass Microelectrode Injection Pump

The Glass Microelectrode Injection Pump is a high-precision, high-airtightness, and high-stability injection pump designed for precise timed and quantitative microinjection and aspiration in applications such as oocytes, animal embryos, protozoa, animal brains, and eyes. It can be paired with a stereotaxic instrument for intracranial viral or tracer injections, and is also suitable for agricultural research including pest control and plant protection—enabling targeted substance injection or aspiration in insect embryos and larvae.

Main Application Fields

  • Rodent Research Applications
    √ Deep brain injections in guinea pigs, rats, and mice for viruses, drugs, neurotransmitters, or dyes
    √ Oocyte and embryo injections in guinea pigs, rats, and mice for genetic material, drugs, or dyes

  • Zebrafish Research Applications
    √ Zebrafish oocyte gene or dye injection
    √ In vivo injections in zebrafish larvae

  • Insect Research Applications
    √ Oocyte injections in nematodes, worms, fruit flies, cotton bollworms, brown planthoppers, etc.
    √ In vivo drug or dye injections in nematodes and worms
    √ In vivo drug or dye injections in fruit flies, cotton bollworms, and brown planthoppers

  • Xenopus Oocyte and Tadpole Injections


Performance Advantages
※ Multiple operation modes: homing, emptying, sampling, and programmable injection
※ High precision: injection volumes as low as <1 nl
※ Hydraulic technology ensures consistent injection volume
※ Injection methods: single manual injection or programmable injection with auto-save
※ User-friendly touchscreen operation
※ Expandable potential applications based on requirements
※ Easy-to-use micro-pipetting and injection capillaries
※ No O-ring required; simple assembly with effective sealing


Technical Parameters

  1. 5-inch LCD touchscreen with one-key Chinese/English switching

  2. Stroke: 25 mm

  3. Capillary dimensions: OD 0.045″ (1.14 mm), ID 0.021″ (0.53 mm)

  4. Flow rate range: 0.295 nl – 12.763 μl/min

  5. Adjustment resolution: 7.9 μm/min

  6. Stroke resolution: 0.165 μm

  7. Rated linear thrust: 20 N

  8. Setting method: Touchscreen configuration

  9. Control accuracy: ≤0.5% error at ≥30% full stroke

  10. External control interface: Start/stop, fast forward, fast reverse

  11. Communication interface: RS485; Power supply: AC 220 V ±10%, 50/60 Hz; Power consumption: <10 W

  12. Operating environment: 0–40°C, relative humidity <80%

  13. Dimensions (L × W × H): 180 × 46 × 78 mm


This pump offers researchers a versatile and precise tool for a wide range of microinjection applications across multiple biological models and disciplines.

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