[abstract] PAIN PUMP UTILIZATION IN THE HYPERBARIC ENVIRONMENT.

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[abstract] PAIN PUMP UTILIZATION IN THE HYPERBARIC ENVIRONMENT.

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Title: [abstract] PAIN PUMP UTILIZATION IN THE HYPERBARIC ENVIRONMENT.
Author: Stack, H
Abstract: BACKGROUND: Testing of two infusion pain pumps was undertaken (On-Q PainBuster Soaker® and the Stryker Pain Pump®) to determine the effects of increased ambient pressure on pump function. Under normobaric conditions, the standard administration rate of the On-Q PainBuster and the Stryker Pain Pump tested were 5ml/hr and 2.08ml/hr respectively. MATERIALS AND METHODS: The On-Q PainBuster, at normal room temperature, was filled with 240ml of water and placed in the hyperbaric chamber. The Stryker Pain Pump, at normal room temperature, was filled to 120ml of water and placed in the hyperbaric chamber. The catheter tips were located approximately 4cm above the reservoir and compressed to 2.5 atmospheres absolute. Both pumps were compressed at 3psi/minute, at pressure for 110 minutes, and decompressed at 3psi/minute, for a total time of 124 minutes. After testing the On-Q PainBuster under pressure, it was refilled to 240cc. The Stryker Pain Pump was refilled to 120cc, after testing under pressure. Each were placed on a counter surface, and again tested for 124 minutes at normal room temperature, with the flow of the catheter in an upward flowing position to duplicate exactly the same circumstances as in the hyperbaric chamber. The output of the On-Q PainBuster and the Stryker Pain Pump, during each testing phase, was measured in a 10cc syringe. This exact testing was repeated three times. RESULTS: Testing Phase I Testing Phase II Testing Phase III; On-Q Pain Buster hyperbaric chambe r 11ml of H2O 11ml of H2O 11ml of H2O; On-Q Pain Buster counter surface 11ml of H2O 11ml of H2O 11ml of H2O; Stryker Pain Pump hyperbaric chambe r 11.4ml of H2O 10 ml of H2O 10 ml of H2O; Stryker Pain Pump counter surface 4.16ml of H2O 4.15ml of H2O 4.16ml of H2O. CONCLUSIONS: The results of this study demonstrate that the On-Q PainBuster consistently delivered the appropriate volume independent of ambient pressure. The Stryker Pain Pump consistently delivered volumes in excess of the designed specifications while at pressure.
Description: Abstract of the Undersea and Hyperbaric Medical Society, Inc. Annual Scientific Meeting held June 14-16, 2007. Ritz-Carlton Kapalua Maui, Hawaii (http:www.uhms.org)
URI: http://archive.rubicon-foundation.org/5128
Date: 2007

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  • UHMS Meeting Abstracts
    This is a collection of the published abstracts from the Undersea and Hyperbaric Medical Society (UHMS) annual meetings.

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