TY - JOUR
AU - Dragovich, Jean
AB - Med. & biol. Engng. Vol. 5, PP. 75-76. Pergamon Press, 1967. Printed in Great Britain LETTERS TO THE EDITOR LETTER-BY-LETTER COMMUNICATION BY THE ALMOST COMPLETE PARALYTIC s~, accommodate the patient's dexterity and to allow faster In a Technical Note in this journal (Roe, 1965) a operation as the patient develops facility. communication system was described in which a mute There is a speed-increasing refinement as follows: tetraplegic patient operated a letter-indicating device by The first twenty-three illuminated board positions are squeezing a microswitch with one hand and was thus called primary positions and comprise the letters A to V able to spell out words and "talk" to people thereby. and a transfer position. Normal or primary cycling is In a parallel development for a patient with roughly from A to transfer and repeat. If the master switch is the same capabilities (due to multiple schlerosis) a actuated during the time that the transfer position is system has been designed having a quite different illuminated the device cycles through a secondary set of principle of operation. It is believed to have some positions. This set comprises the letters W to Z, punctu- advantages over the system described by Roe. ation 
TI - Contamination of monitoring equipment
JF - Medical & Biological Engineering & Computing
DO - 10.1007/bf02478848
DA - 1967-01-01
UR - https://www.deepdyve.com/lp/springer-journals/contamination-of-monitoring-equipment-2Pn2428J8l
SP - 75
EP - 76
VL - 5
IS - 1
DP - DeepDyve
ER -