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. 1997 Oct;14(4):210-7.
doi: 10.1016/s0885-3924(97)00181-4.

Performance of a Restrictive Flow Device and an Electronic Syringe Driver for Continuous Subcutaneous Infusion

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Performance of a Restrictive Flow Device and an Electronic Syringe Driver for Continuous Subcutaneous Infusion

D Capes et al. J Pain Symptom Manage. .
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Abstract

The aim of this study was to investigate the flow performance of the mechanical Springfusor 30 short model and the electronic Graseby MS16A. Flow rate was measured gravimetrically in a temperature-controlled cabinet. There was no statistically significant difference between the Graseby and Springfusor syringe drivers in the flow rate error at 25 degrees C. The percentage of flow rates within +/-20% accuracy during a 35-min periods at 25 degrees C was significantly less with the Graseby, being 91.9% compared with 100% for the Springfusor. Only 58.2% of flow rates with the Graseby were within the manufacturer claimed accuracy of +/-5%. The flow rate of the Springfusor was affected by temperature; at 30 degrees C the mean flow rate was 10.8% greater than at 25 degrees C. These results indicate that the Springfusor 30 had less flow rate variation than the Graseby MS16A. However, this would not be expected to cause noticeable clinical effects when used for opioid infusion in palliative care.

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