PMID: 9184460Jan 1, 1997Paper

On an ambulance stretcher suspension concerned with the reduction of patient's blood pressure variation

Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine
K SagawaT Takahashi

Abstract

The design process and control of an ambulance stretcher suspension to reduce patient's blood pressure variation (BPV) is discussed. The BPV caused by applying the vehicle brakes may lead to deterioration of a patient's condition. The proposed method can reduce BPV by tilting the stretcher and counterbalancing back-to-front acceleration of the ambulance with gravity. The experimental results obtained when using a manually controlled stretcher confirm that BPV is reduced by tilting the stretcher. A continuous control method that varies the tilting angle is investigated through simulation analysis. The results show that this control method reduces the BPV effectively and achieves safe transport of the patient.

References

Aug 14, 1976·British Medical Journal·R Snook, R Pacifico
Jan 1, 1982·European Journal of Applied Physiology and Occupational Physiology·H VogelR J von Baumgarten

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Citations

Sep 11, 2002·Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine·K Sagawa, H Inooka
Jan 19, 2005·Current Opinion in Neurology·John F Golding, Michael A Gresty
Apr 6, 2000·Clinical Autonomic Research : Official Journal of the Clinical Autonomic Research Society·M AokiM A Gresty
Jul 13, 2006·Clinical Autonomic Research : Official Journal of the Clinical Autonomic Research Society·David Andrew GreenMichael Andrew Gresty

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