A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 17/14 (2006.01) B23D 51/10 (2006.01)
Patent
CA 2729454
Devices are described relating to the retaining of surgical tools (200, 300, 400, 420) within the chuck (102) of a reciprocating surgical instrument (10), such as a reciprocating saw. A securing chuck is disclosed for securing a surgical tool to a reciprocating surgical instrument that comprises a shaft (104) and a securing member (146). The shaft defines an axis (L) and has a cylindrical bore (110) extending along the axis. The bore may be shaped to receive a substantially rounded tool shank. A pair of transverse slots (112) may extend into the shaft along a plane passing through the axis for receiving a substantially flattened tool shank. The transverse slots intersect with the cylindrical bore. The securing member is carried by the shaft and is radially movable relative to the bore both inwardly and outwardly to secure the surgical tool in the chuck.
La présente invention concerne des dispositifs destinés au maintien doutils chirurgicaux dans la pièce de serrage dun instrument chirurgical en va-et-vient, tel quune scie alternative. Linvention concerne une pièce de serrage de retenue permettant la fixation dun outil chirurgical à un instrument chirurgical à mouvement alternatif comportant un arbre et un élément de fixation. Larbre définit un axe et présente un alésage de forme cylindrique sétendant selon laxe. Lalésage est conformé pour recevoir une queue doutil sensiblement arrondie. Une paire de fentes transversales se prolonge dans larbre selon un plan traversant laxe pour recevoir une queue doutil sensiblement aplatie. Les fentes transversales entrecroisent lalésage de forme cylindrique. Lélément de fixation est porté par larbre et est radialement mobile par rapport à lalésage vers lintérieur ainsi que vers lextérieur pour solidariser loutil chirurgical dans la pièce de serrage.
Medtronic Xomed Inc.
Smart & Biggar
LandOfFree
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