Osmotic pump-2ML1W (10 pcs/box)

The RWD Osmotic Miniature Infusion Pump is a cost-effective, high-precision drug delivery system designed for long-term, continuous dosing in small laboratory animals such as mice and rats. Engineered to operate for up to 6 weeks, it significantly reduces the need for repeated manual injections, thereby minimizing animal stress and enhancing experimental consistency. The pump can be implanted subcutaneously or intraperitoneally for systemic administration, or connected to a catheter for targeted infusion into specific sites such as blood vessels, the brain, or spinal cord. Its innovative osmotic design features a semi-permeable membrane and a high-pressure salt chamber that absorbs body fluids, gradually compressing the internal drug reservoir to enable a constant and controlled release. This reliable mechanism ensures accurate and sustained infusion, making it ideal for chronic dosing studies, targeted drug delivery experiments, and preclinical research in pharmacology and neuroscience.

(drug delivery system as the image below )



 

Applications

• Cardiovascular disease model;
• Addiction Research;
• Emotion-based research;
• Medication research for diabetes and other metabolic diseases;
• Pain, injury, and other therapeutic drug infusions;
• Cancer Drug Screening;

Positions of the implanted pump and the drug pumped out

The pump can be implanted directly into the peritoneal cavity or the back of the neck to deliver the drug.
Drug delivery can be even for specific tissues, such as vessels, inner brain, spinal cord, lung, liver etc., just by attaching catheters or other accessories.

Size of Pump

Models: 3 sizes, 100ul, 200ul, and 2ml. The pump rate is stable through in-vivo testing.

Benefits of material

Made by biocompatible material to avoid immune rejection after implantation in rats and mice. Each pump is also sterilized by irradiation to ensure no inflammatory reaction in mice and rats.

Advantages

• Stable Pumping Rate
  • Predictable dosing and minimizes experimental variables to ensure reproducible and consistent results.
• Reduced Stress Response to Mice and Rats
  • Different from the traditional multiple injections, it reduces the stress response by continuous administration, without frequent animal handling, that ensures the experimental results and that animal welfare is guaranteed.
• Wide Application, Easy to Operate
  • Reducing the need for regular injections at night and on weekends. It can be directly subcutaneously or intraperitoneally embedded for systemic drug delivery, or connected to a catheter for use in other specific tissues or organs such as blood vessels, brain, liver, etc.

Specifications