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Design of a leg support for an ultrasound-guided nerve block

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Author: Joustra, L.
Mentor: Albayrak, A. · Vogt, M. · Goossens, R.H.M.
Faculty:Industrial Design Engineering
Department:Industrial Design
Programme:Master specialisation Medisign (IPD)
Type:Master thesis
Date:2009-12-11
Keywords: design · ultrasound · nerve block · anesthesiology
Rights: (c) 2009 Joustra, L.

Abstract

In this report the project of designing a leg support for use during the procedure of an ultrasound-guided nerve block is described.

The ultrasound-guided peripheral nerve block is a new regional anesthesia technique that is very promising. This new technique encounters problems when parts of a patients leg needs to be sedated for a certain operation. In most cases there are two nerves that need to be blocked, the n. Femoralis and the n. Ischiadicus. The first one is positioned in the groin while the other is positioned in the subgluteal region (buttock).

In general pediatric patients are under general anesthesia while performing the ultrasound-guided peripheral nerve blocks. This results in that there is a problem when the n. Ischiadicus needs to be reached, because the pediatric patient is lying unconscious on his back. The conventional way is to turn the patient around with two to three anesthetic staff members. This causes problems for the staff and the patient.

In this report a new solution is explored, one that is staff and patient friendly. The end result is a product that can be placed by one anesthetic staff member while the patient lies unconscious on his back. The product lifts the leg that needs to be operated and in this way create a large workspace for the anesthesiologist to perform the ultrasound-guide nerve block of the n. Ischiadicus.