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1. 发明授权

US5554164A Curved knife for linear staplers 失效
标题翻译：用于线性订书机的弯刀
公开(公告)号：US5554164A
公开(公告)日：1996-09-10
申请号：US415026
申请日：1995-03-30
申请人： Donald F. Wilson , Randolph F. Lehn , Frank Dworak , Roy D. Gravener , Joseph E. Kus , Ralph A. Stearns
发明人： Donald F. Wilson , Randolph F. Lehn , Frank Dworak , Roy D. Gravener , Joseph E. Kus , Ralph A. Stearns
IPC分类号： A61B17/072 , A61B17/32 , A61B17/62 , A61B17/08 , B31B1/00
CPC分类号： A61B17/07207 , A61B17/32 , A61B2017/07214
摘要： A knife for use with surgical fastening instrument for applying fasteners to tissue, the knife including a nonlinear cutting edge having a first portion, a second portion, and an intermediate between said first and said second portion, said first portion being positioned at least as distal as said intermediate portion. The cutting edge is configured to completely sever selected tissue while minimizing the potential for "wisping" of uncut or partially cut tissue away from the cutting edge.
摘要翻译：一种用于与用于将紧固件紧固到组织上的外科紧固器械一起使用的刀，所述刀具包括具有第一部分，第二部分和所述第一部分和所述第二部分之间的中间部分的非线性切削刃，所述第一部分至少位于远端作为所述中间部分。切割边缘被配置为完全切割所选择的组织，同时最小化将切割或部分切割的组织远离切割边缘的“阻挡”的可能性。

2. 发明申请

US20050178182A1 Metal-forming die and method for manufacturing same 失效
标题翻译：金属成型模具及其制造方法
公开(公告)号：US20050178182A1
公开(公告)日：2005-08-18
申请号：US10899819
申请日：2004-07-27
申请人： Bruce Dworak , Frank Dworak
发明人： Bruce Dworak , Frank Dworak
IPC分类号： A61B17/04 , A61B17/10 , B21D13/02 , B21J13/00
CPC分类号： B21D13/02 , A61B2017/07264
摘要： A metal-forming die according to the present invention includes die blades with convoluted opposed side surfaces that correspond to variable-width features on the working surface of the die. The convoluted side surfaces and variable-width working surface features permit the impression left by one die blade to fill space taken from an impression made by a laterally adjacent die blade. Such a die permits formation of working surface shapes not possible with flat-sided die components. The die is manufactured in discrete longitudinally extending components, or blades. Dividing the working surface of the die into longitudinally extending portions, each carried by a die blade allows conventional machining processes to be employed in forming the working surface on each die blade. An additional machining process cuts complementary shapes on the sides of the die blades. The die blades and their corresponding working surfaces interfit, or nest together.
摘要翻译：根据本发明的金属成型模具包括具有相对于模具的工作表面上的可变宽度特征的具有相反侧面的卷积的模具。卷曲的侧面和可变宽度的工作表面特征允许由一个模具刀片留下的印模填充从由相邻的横向刀片制成的印模所取得的空间。这种模具允许用平面模具部件形成不可能的工作表面形状。模具以分立的纵向延伸部件或叶片制造。将模具的工作表面划分成纵向延伸部分，每个由模片承载，允许在每个模具刀片上形成工作表面时采用常规的加工工艺。额外的加工工艺在模具刀片的侧面上切割互补的形状。模具刀片及其相应的工作表面互相配合，或嵌套在一起。

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