Performance characteristics of pressure infusors

Uri Zaretsky, Ori Heller, David Elad*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


Pressure infusion devices (PID) are used in trauma hospitals and in military applications to enhance rapid fluid replacement of hypovolemic shocked patients. This work presents a simple inexpensive technique for evaluation of the performance characteristics of pressure infusors. Pressure–volume and volume–time curves of pneumatic and spring-activated infusors have been derived for pressurized infusion with various output resistances. Three indices of performance are suggested for evaluation of pressure infusors: the energy to discharge fluid from the bag, efficiency index and time required to empty 50% of the bag.

Original languageEnglish
Pages (from-to)35-41
Number of pages7
JournalTechnology and Health Care
Issue number1
StatePublished - 1994
Externally publishedYes


  • Hypovolemic shock
  • Performance
  • Pressure infusion device
  • Rapid fluid resuscitation


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