A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 17/90 (2006.01) A61B 17/17 (2006.01) A61B 17/80 (2006.01) A61B 17/88 (2006.01)
Patent
CA 2198268
A plate holding drill guide or "trocar" is disclosed including a member having a channel with an internal diameter. A cannulated holding member having prongs is disposed, at least in part, within the channel. A cannula extends through the prongs. At one end, the prongs are flanged outward. The flanged portion has an external diameter which is greater than the internal diameter of the channel. The sliding member is displaceable over the flanged portion of the prongs. When an annular frame of a bone plate is disposed between the prongs and the sliding member is moved toward the flanged portion, the prongs grip the frame. A drill may be guided between the prongs through the cannula. A method is disclosed for holding a bone plate. An annular frame of the bone plate is positioned between prongs and aligned with a cannula extending between the prongs. A member is displaced along the prongs. The prongs are deflected inward, gripping the frame.
Plaque retenant un guide-foret ou un trocart incluant un élément ayant un canal doté d'un diamètre interne. Un élément de maintien de la canule muni de griffes se trouve, du moins en partie, dans le canal. Une canule passe à travers les griffes. € une extrémité, les griffes ont des brides tournées vers l'extérieur. La partie ayant une bride a un diamètre externe qui est plus grand que le diamètre interne du canal. L'élément coulissant est mobile sur la partie des griffes ayant une bride. Lorsque le cadre annulaire d'une plaque vissée est placé entre les griffes et que l'élément coulissant est déplacé vers la partie ayant une bride, les griffes saisissent le cadre. Un foret peut être guidé entre les griffes par la canule. La méthode de maintien d'une plaque vissée est aussi décrite. Le cadre annulaire de la plaque vissée est placé entre les griffes et aligné sur une canule entre les griffes. Un élément est déplacé le long des griffes. Les griffes sont déviées vers l'intérieur, et retiennent le cadre.
Borden Ladner Gervais Llp
Synthes (u.s.a.)
Synthes Usa Llc
LandOfFree
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