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M. Zecca,G. Cappiello,F. Sebastiani,S. Roccella,F. Vecchi,M. C. Carrozza,P. Dario 한국과학기술원 인간친화 복지 로봇 시스템 연구센터 2003 International Journal of Assistive Robotics and Me Vol.4 No.4
The development of a prosthetic hand able to replicate as much as possible the grasping and sensory features of the natural hand represents an ambitious project for scientists. State of the art technology is still far to provide engineers with components with similar performance of their natural models, and active prosthetic hands can be only a pale replication of the missing natural limb. <BR>This paper presents the current research efforts towards the development of a self-adaptative and anthropomorphic prosthetic hand. In particular, the paper is focused on the problem of replicating the natural sensory system of the hand with an artificial proprioceptive and exteroceptive sensory system.
A Robotic System for Soft Tissue Characterization
P,Vacalebri,R,Lazzarini,S,Roccella,F,Vecchi,M,C,Carrozza,M,Zecca,P,Dario 한국과학기술원 인간친화 복지 로봇 시스템 연구센터 2003 International Journal of Assistive Robotics and Me Vol.4 No.2
A miniature robotic system has been designed and fabricated to perform in vivo mechanical characterization of soft tissues. The tissue tester employs a stepper motor, which is controlled using micro-stepping techniques to prevent irregular rotation of motor shaft at low speeds. There is also a load cell to measure the reaction force of the tissue under test. At the end of tests session, data could be post elaborated on a PC with special software that reconstructs the force-displacement curves of the tissues being tested. Position and rate feedback are implemented with a digital encoder to minimize errors in motor control during the evaluation of typical viscoelastic phenomena of biological tissues. Calibration tests indicate that the force-displacement curves of the miniature robotic indenter are consistent with that obtained using an ordinary universal testing machine.
Domenico Umberto De Rose,Alessandro Perri,Francesca Gallini,Francesca Priolo,Eloisa Tiberi,Giovanni Vento,Enrico Zecca 대한소아내분비학회 2019 Annals of Pediatirc Endocrinology & Metabolism Vol.24 No.2
We report a case of transient pseudohypoparathyroidism in a full-term newborn that presented at 20 hours of life with hypocalcemic seizures, hyperphosphatemia and raised parathormone levels. The diagnosis of pseudohypoparathyroidism was made according to biochemical investigations. The infant was treated with calcium supplementation and vitamin D analog therapy, and he remained stable and symptom-free with normal serum biochemistries during follow-up. We suggest that transient pseudohypoparathyroidism of the newborn (ntPHP) might be included among inactivating parathyroid hormone (PTH)/PTH-related protein signaling disorders as defined by the classification schema recently proposed by the European Pseudohypoparathyroidism Network. To the best of our knowledge, this is the first report in which the new classification has been applied to a case of ntPHP.