Perception by Palpation: Development and Testing of a Haptic Ferrogranular Jamming Surface.

ABSTRACT: Tactile hands-only training is particularly important for medical palpation. Generally, equipment for palpation training is expensive, static, or provides too few study cases to practice on. We have therefore developed a novel haptic surface concept for palpation training, using ferrogranular jamming. The concept's design consists of a tactile field spanning 260 x 160 mm, and uses ferromagnetic granules to alter shape, position, and hardness of palpable irregularities. Granules are enclosed in a compliant vacuum-sealed chamber connected to a pneumatic system. A variety of geometric shapes (output) can be obtained by manipulating and arranging granules with permanent magnets. The tactile hardness of the palpable output can be controlled by adjusting the chamber's vacuum level. A psychophysi

SUBMITTER: Rorvik SB 

PROVIDER: S-EPMC8505531 | biostudies-literature | 2021

REPOSITORIES: biostudies-literature