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    • 4. 发明专利
    • Surgical saw having a blade bar and an elongate rod allowing for attachment/removal of the blade bar
    • AU2013205321B2
    • 2016-08-18
    • AU2013205321
    • 2013-04-11
    • STRYKER CORP
    • COSGROVE LIAM CLAND TREVOR MBRINDLEY ROBERTWALEN JAMES G
    • A61B17/14
    • Abstract The present disclosure relates to a surgical saw for use with a blade assembly having a blade bar, at least one drive rod moveably disposed within the blade bar and a blade head that is oscillated by the at least one drive rod. The saw comprises a housing including a head, the head having an exposed planar surface for receiving the blade bar; a motor disposed in the housing; an oscillating drive assembly mounted to said housing head that includes at least one drive member that is moveably mounted to said head that extends above the planar surface, said oscillating drive member shaped to receive the at least one drive rod, wherein said oscillating drive assembly is connected to said motor and configured to, upon actuation of the motor, oscillate the at least one drive member so that the oscillation of the at least one drive member results in the reciprocation of the at least one drive rod; and a coupling member separate from the oscillating drive assembly, the coupling member being moveably mounted to the housing head so as to extend above the planar surface, said coupling member being shaped to extend at least partially over the blade assembly blade bar and having a locked state in which said coupling member presses against the blade bar to hold the blade bar to the planar surface and a load state in which the coupling member allows the insertion/removal of the blade bar from the planar surface; and a manually actuated control member moveably attached to the housing head and connected to said coupling member for moving the coupling member between the locked and load states. CD' -4
    • 8. 发明专利
    • SURGICAL SAGITTAL SAW BLADE WITH A BAR, A BLADE HEAD, DRIVE RODS AND FINGERS THAT CONNECT THE DRIVE RODS TO THE BLADE HEAD
    • AU2016238942A1
    • 2016-11-10
    • AU2016238942
    • 2016-10-07
    • STRYKER CORP
    • COSGROVE LIAM CLAND TREVOR MBRINDLEY ROBERTWALEN JAMES G
    • A61B17/14
    • A surgical saw blade, said saw blade comprising an elongated blade bar, said blade bar having opposed proximal and distal sections, the proximal section shaped so that the blade bar can be releasably statically secured to a powered surgical saw, said blade bar having at a distal end a primary opening that opens into a void space within said bar, and at least one second opening that is spaced proximally away from the primary opening; a blade head, said blade head having: a base that is pivotally mounted in said blade bar distal section void space; and a crown integral with the base that extends through and out of the blade bar primary opening, the crown being formed with teeth, wherein said base and said crown both have a thickness and the thickness of said crown is greater than the thickness of the base to allow the insertion of said blade bar into a kerf cut by the blade head; at least one drive rod that is moveably disposed in said blade bar, said at least one drive rod having a distal end located adjacent said blade head base and a proximal end configured to engage a drive member integral with the surgical saw, said at least one drive rod having a thickness that allows said drive rod to move with said blade bar; and at least one finger that extends above said at least one drive rod and above a surface of said blade head base, wherein said finger is connected to both said at least one drive rod and said blade base to pivotally connect said blade head base to said drive rod and said finger is seated in the blade bar second opening. 0"