A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 6/10 (2006.01) B25J 9/16 (2006.01)
Patent
CA 2172505
Computer control of a multi-axis radiographic instrument (10) is utilized to prevent contact between moving surfaces of the instrument based on soft limits. The soft limits are established from a legal space table (51) incorporating all combinations of axis movement of the equipment and relating those combinations to contacting (53) or non-contacting (55) surfaces. The legal space table (51) may be used to map efficient paths between a start (sp) and ending position (dp) and may be augmented with non-contacting transducers (57) which may sense patient movement not incorporated into the legal space table (51).
On recourt à la commande informatique d'un instrument radiographique multi-axes (10) pour empêcher tout contact entre des surfaces mobiles de cet instrument, en fonction de limites souples. Ces dernières sont fixées grâce à un tableau d'espacements permis (51) comprenant toutes les combinaisons de mouvements axiaux de l'instrument et corrélant ces combinaisons avec des surfaces de contact (53) ou sans contact (55). Le tableau d'espacements permis (51) permet de repérer des trajets efficaces entre des positions de départ (sp) et d'arrivée (dp), et il peut être complété par des transducteurs sans contact (57) pouvant détecter un mouvement du patient non pris en compte dans le tableau des espacements permis (51).
Hinton Corydon A.
Szejna Glenn
Borden Ladner Gervais Llp
Lunar Corporation
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