# Unknown Medfusion 3500

> Source: https://shop.ezmedsource.com/products/unknown-medfusion-3500

## At a glance

- **Manufacturer:** Unknown
- **Model:** Medfusion 3500
- **Category:** Infusion Pump

## Description

The Smiths Medfusion 3500 is a syringe infusion pump designed for continuous and intermittent medication delivery. It accepts syringes ranging from 1 mL to 60 mL and delivers medication at flow rates from 0.01 mL/hr to 1130 mL/hr with +/- 2% accuracy. The pump supports continuous infusion, volume/time, mass-based, weight-based, intermittent, and bolus delivery modes. It is powered by an internal battery rated for 10 hours at 25°C when infusing at 5.0 mL/hr with a 60 mL syringe. The pump includes audio and visual alarms for occlusion, near-empty, and system faults. It mounts to an I.V. pole, infant isolette, or radiant warmer with rotation adjustment.

## Tech Info

- **Pump Type:** Smart Syringe Infusion Pump
- **Flow Rate Range:** 0.01 mL/hr to 1130 mL/hr
- **Flow Rate Accuracy:** +/- 2%
- **Syringe Sizes Accepted:** 1 mL, 3 mL, 5 mL, 10 mL, 20 mL, 30 mL, 60 mL
- **Delivery Modes:** Continuous, Volume/Time, Mass, Body Weight, Intermittent, Bolus
- **Battery Life:** 10 hours at 25°C infusing at 5.0 mL/hr with 60 mL syringe
- **Mounting:** I.V. pole, infant isolette, radiant warmer (rotatable)

## Common Problems

- Motor does not run.
- Motor rate error.
- Occlusion alarm does not sound or sounds intermittently (primary audible alarm component failure).
- Super capacitor post corrosion or failure.
- Force sensor bridge test failure.
- Clutch or plunger mechanical binding or wear.

## Specifications

| Spec | Value |
| --- | --- |
| Pump Type | Smart Syringe Infusion Pump |
| Battery Life | 10 hours at 25°C (5.0 mL/hr, 60 mL syringe) |
| Syringe Sizes | 1, 3, 5, 10, 20, 30, 60 mL |
| Delivery Modes | Continuous, Volume/Time, Mass, Body Weight, Intermittent, Bolus |
| Flow Rate Range | 0.01 mL/hr to 1130 mL/hr |
| Flow Rate Accuracy | +/- 2% |

## Vendor offers

### Prescott's Med

- **Purchase** · Quote on request · availability: AvailableOnRequest
- **Repair** · Quote on request · availability: InStock

### Adepto Medical

- **TradeIn** · Quote on request · availability: AvailableOnRequest
- **Rent** · Quote on request · availability: AvailableOnRequest
- **Purchase** · Quote on request · availability: AvailableOnRequest
- **Repair** · Quote on request · availability: InStock

## Documents

- [Smiths Medfusion 3500 Operation Manual](https://storage.googleapis.com/ezmedsource-product-images/product-manuals/efb2a693146a993e.pdf) — manual
- [Smiths Medfusion 3500 Service Manual](https://storage.googleapis.com/ezmedsource-product-images/product-manuals/b1e4b2e463bcef02.pdf) — manual

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