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    • 26. 发明申请
    • IMPROVED IMPACTOR
    • 改进的IMPACTOVER
    • WO2008016312A2
    • 2008-02-07
    • PCT/NZ2007/000200
    • 2007-08-01
    • ENZTEC LIMITEDMcMILLAN, Lain, AlexanderMORRISON, Paul, John
    • McMILLAN, Lain, AlexanderMORRISON, Paul, John
    • A61B17/92A61B17/58A61F2/00
    • A61B17/92A61F2/461A61F2002/30565A61F2002/4628A61F2002/4681
    • An impactor for positioning and holding a surgical or veterinary prosthetic implant whilst it is being driven into position, said impactor including:- (a) an impaction means; (b) an impaction shoe which is configured to receive and support a prosthetic implant in a predetermined position; (c) connection means which connect the impaction means to the impaction shoe and are configured to transmit an impact from the impaction means to the impaction shoe; (d) arms configured to engage an implant supported upon the impaction shoe; (e) said arms being biased into engagement with said implant, but movable against the bias out of engagement with the implant; (f) said connection means being adjustable between a first setting at which the impaction shoe is spring-loaded so as to bias an implant supported upon the impaction shoe into engagement with said arms but at which the impaction shoe can slide relative to said arms, against said spring bias; and a second setting at which both the impaction shoe and the arms are rigidly engaged with an implant supported upon the impaction shoe, to hold the implant in a predetermined position and orientation relative to the impaction means.
    • 用于在外科手术或兽用假体植入物被驱动到位的同时定位并保持外科手术或兽医假体植入物的冲击器,所述冲击器包括: - (a)冲击装置; (b)冲击鞋,所述冲击鞋构造成接收假体植入物并将其支撑在预定位置; (c)连接装置,其将冲击装置连接到冲击鞋并且被配置成将冲击装置的冲击传递到冲击鞋; (d)构造成接合支撑在冲击鞋上的植入物的臂; (e)所述臂被偏置成与所述植入物接合,但克服所述偏置而移动而脱离与植入物的接合; (f)所述连接装置可在第一设定和第二设定之间调节,在第一设定时,冲击靴被弹簧加载,以便将支撑在冲击鞋上的植入物偏置成与所述臂接合,但冲击鞋可相对于所述臂滑动, 抵抗所述弹簧偏压; 以及第二设置,在该第二设置中,冲击靴和臂与支撑在冲击鞋上的植入物刚性地接合,以将植入物保持在相对于冲击装置的预定位置和取向。