1993
DOI: 10.1177/0310057x9302100213
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Laboratory Evaluation of the Go Medical PCI: A Disposable Patient-Controlled Analgesia Device

Abstract: A low-cost, disposable patient-controlled analgesia device was tested using a computer-controlled, automated testing station designed to simulate clinical use. Five devices were tested and delivered a mean bolus dose size of 95% of nominal, although one device achieved only 85% of nominal. Delivery was lowest immediately following an eight-hour interval during which no demands were made. Further development and evaluation of this interesting device is warranted.

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Cited by 12 publications
(3 citation statements)
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“…This flow pattern is common to all elastomeric pumps (18-20) and is due to variations in pressure within a stretched elastomeric reservoir (21). This variation in infusion rate is considered clinically acceptable with no hazard to patients (22, 23). Using medications with relatively long half-life and the time pattern of postoperative pain make the use of disposable pumps justified for postoperative analgesia.…”
Section: Discussionmentioning
confidence: 99%
“…This flow pattern is common to all elastomeric pumps (18-20) and is due to variations in pressure within a stretched elastomeric reservoir (21). This variation in infusion rate is considered clinically acceptable with no hazard to patients (22, 23). Using medications with relatively long half-life and the time pattern of postoperative pain make the use of disposable pumps justified for postoperative analgesia.…”
Section: Discussionmentioning
confidence: 99%
“…Some patients may have intentionally injected smaller volumes as a means of titrating the dose against effects and sideeffects. An additional factor that may have predisposed to lower drug consumption in the disposable group is a tendency for apparatus of this design to under-deliver with time; however, this was thought unlikely to be of clinical significance in a laboratory analysis of an intravenous PCA device from the same manufacturer (6).…”
Section: Discussionmentioning
confidence: 99%
“…Injector (figure I ) is similar t o an intravenous model that was described previously (6). Patients depress a spring-loaded syringe plunger to receive a nominal 4 mL bolus which is injected first into a small elastic reservoir then via a filter into the epidural catheter over 5-10 seconds.…”
Section: Usa) the Patient Controlled Epiduralmentioning
confidence: 99%