Veterinary Syringe Pump vs Infusion Pump: Choosing Micro-Volume Delivery Equipment for Pet Hospitals
A veterinary syringe pump delivers small volumes at very low flow rates, which is why it sits beside critical patients rather than replacing ward equipment. This guide compares syringe pump vs infusion pump for small animal patients and sets out how to specify fluid therapy equipment for pet hospitals.
What a Veterinary Syringe Pump Does That an Infusion Pump Does Not
An infusion pump pushes fluid from a bag through tubing; a syringe pump drives the plunger of a loaded syringe. The second format suits micro-volume drugs, where a 0.1 mL/h increment matters more than total volume. In practice the syringe pump handles anaesthetic infusions and constant-rate dosing, while the infusion pump covers larger-volume replacement.
Syringe Pump vs Infusion Pump: The Practical Difference
The difference is the container, not the electronics. A syringe pump holds a 10, 20, 30 or 50 mL syringe and drives the plunger directly, so dead space stays small and the drug arrives with little dilution. An infusion pump needs a bag and giving set, which suits replacement fluids but wastes volume for a 5 mL dose. On the VSP1 syringe pump the rate scales with syringe size, from 0.1–300 mL/h at 10 mL to 0.1–1500 mL/h at 50 mL.
Veterinary Syringe Pump Specifications That Change the Buying Decision
Specification sheets for a veterinary syringe pump read alike until you compare four numbers: rate range per syringe size, flow increment, occlusion alarm behaviour and battery runtime. Rate range tells you whether the unit can serve a cat at 0.5 mL/h and a 40 kg dog in one shift; the increment tells you how fine the adjustment is.
Reading Rate Range Per Syringe Size
Rate is not one number. A pump that tops out at 300 mL/h with a 10 mL syringe will reach 1500 mL/h with a 50 mL syringe, because the motor moves the plunger at one speed while the barrel diameter sets the volume. Ask for the rate at each syringe size you stock, and confirm the increment, which is 0.1 mL/h on the VSP1.
Two further fields matter at procurement. A 3.2-inch screen is readable at the cage side, and three alarm volume levels let a ward keep alarms audible instead of muting them at night.
Matching a Syringe Pump to Monitoring, Warming and Oxygen Support
A syringe pump is one node in a procedure chain. During a constant-rate infusion the patient needs haemodynamic monitoring, temperature support and, in longer cases, oxygen. Buying the pump without those companions leaves the ward unable to run the protocol the pump was specified for.
Where the Pump Sits in the Anaesthesia and ICU Chain
Place the pump where the anaesthetist can see both the syringe and the monitor. A 15-inch unit such as the VE15 multi-parameter monitor keeps ECG, SpO2 and NIBP on one screen, while a compact VM12 monitor suits a recovery cage. Add a forced-air warming device for cases longer than 45 minutes, since core temperature falls fastest in small anaesthetised patients.
Published Specifications for Micro-Volume Delivery Equipment
The table below lists only values published on our own product pages. Where a field is not published, it is marked for confirmation rather than estimated, because a flow figure or battery runtime invented for a quotation becomes a dispute at commissioning.
Specification Table Notes
| Product Type | Model | Published Specification | Flow & Delivery | Power & Battery | Confirm Before Ordering |
|---|---|---|---|---|---|
| Syringe pump | VSP1 | 10/20/30/50 mL syringes; 3.2-inch display; 336 × 120 × 140 mm; 2.0 kg | 0.1–1500 mL/h; increment 0.1 mL/h; per-size ranges | 100–240 VAC 50/60 Hz; 11.1 V 2000 mAh; over 10 h charge when off | Occlusion alarm threshold |
| Multi-parameter monitor | VE15 | 15-inch colour LCD; ECG, SpO2, NIBP, RESP, TEMP, HR, PR; optional CO2 and IBP | Not applicable | 100–240 VAC 70 VA; 12 V 2 Ah battery; Class I | Recorder and trolley options |
| Multi-parameter monitor | VM12 | 12.1-inch LCD; diagnostic, monitoring and surgical modes; under 4 kg with battery | Not applicable | 12 V 2 Ah battery; AC/DC dual use | AC input rating to be confirmed per specification |
| Forced-air warming | VHB | 35.0–43.0 °C; ±1 °C; 2-minute warm-up; 260 × 295 × 395 mm; 7.5 kg | Not applicable | AC 220 V 50/60 Hz; 1500 VA; ≤70 dB(A) | Blanket sizes and reuse cycle |
| Handheld spot-check monitor | VM5 | Compact blood oxygen and pulse monitor with waveform display | Not applicable | Internal rechargeable battery | Battery capacity to be confirmed per specification |
Two rows are deliberately incomplete. The warming device is listed with AC 220 V and 1500 VA as published, so confirm your site supply before ordering. The handheld monitor publishes an internal rechargeable battery without a capacity figure, so runtime has to be confirmed per specification rather than assumed.
Power, Mounting and Fluid Therapy Equipment Planning for Pet Hospitals
Continuous infusion exposes two weak points: power and mounting. A pump that runs on mains only stops when the circuit trips, and a pump placed on a cage top gets knocked. Plan battery runtime against your longest protocol and mount the unit on a pole at eye level.
Planning for Power Loss and Syringe Changes
The VSP1 switches between mains and its battery automatically, and a full charge from empty takes over 10 hours with the unit off, so a ward sharing one pump must charge it between cases. Write the syringe change into the protocol too. An occlusion alarm means a kinked line or a blocked catheter, and the response is a line check, not a rate increase.
Keep one spare giving set and one spare syringe of each size on the shelf; infusion set-ups fail at the connector more often than at the pump. Browse the full pet hospital equipment and consumables range for matched accessories.
Frequently Asked Questions
Buyers comparing quotations ask the same four questions: whether a syringe pump can replace an infusion pump, how low the flow can go, what happens during a power cut, and how the unit is cleaned between patients. The answers below apply to the equipment listed on this page.
Can a veterinary syringe pump replace an infusion pump?
Not entirely. A syringe pump is limited by syringe volume, so a 50 mL syringe at 20 mL/h runs for roughly two and a half hours. Use it for micro-volume drugs and keep an infusion pump or gravity set for large-volume replacement.
How low can the flow rate go on a syringe pump?
The floor depends on the syringe and the increment. On the VSP1 it is 0.1 mL/h across all four syringe sizes, in 0.1 mL/h steps, which is fine enough for feline constant-rate infusions.
What happens to the infusion during a power cut?
The VSP1 carries a 11.1 V 2000 mAh battery and switches between mains and battery automatically, so delivery continues. Confirm runtime at your own rate before relying on it, because published specifications do not state a duration.
How is the pump cleaned between patients?
Wipe the housing and plunger drive with a cloth dampened with neutral detergent, then dry. Do not immerse the unit or let fluid enter the drive mechanism, and follow your clinic disinfection protocol for the syringe cradle.
Request a Quote
Send your protocol list and we will return a configuration with syringe sizes, flow ranges and mounting hardware matched to it. Tell us the species mix, the longest infusion you run and the ward layout; we will confirm the published specifications line by line and quote from there.
Related reading: if your wards also plan hydration by drinking points rather than infusion lines, see our guide to pet water fountain placement and drinking point density.