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Innovations

Feasibility study of a force-sensing resistor device for landmark detection for neuraxial procedures and anesthesiologists’ impact on device improvement

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Pages 389-395 | Received 13 Mar 2020, Accepted 06 Jul 2020, Published online: 25 Aug 2020
 

Abstract

The standard of care for neuraxial procedures is landmark palpation to determine the site of placement. This research study aimed to test the primary feasibility of VerTouch™, a force-sensing resistor device, to identify landmarks for the initiation of neuraxial procedures. Patients were recruited at the time of labour epidural, or when consenting for spinal anaesthesia for caesarean delivery at a single centre. The clinical team used the device to create a pressure map image of the bony spine. If they felt confident, they used the device guide to make a mark on the patient’s back. If the mark was used, total insertions and redirections, combined as passes, of the needle during the procedure were counted for secondary outcome analysis. A total of 101 parturients were recruited, and the provider felt confident making a mark based on the imaging in 96.9% of cases. Device success (completion using the mark and ≤4 total passes) occurred in 91.4% of cases. This feasibility study showed that the primary outcome, the provider using the device to make a mark, was successful. In addition, based on comparing passes with historical data, the Vertouch™ device showed promise for future use to minimise needle manipulation in neuraxial procedures.

Disclosure statement

No potential conflict of interest was reported by the author(s).

Additional information

Funding

Research time was partially funded for co-author Mahesh Vaidyanathan by Intuitap Medical.

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