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    • 1. 发明授权
    • Process for the manufacture of suture needles and needles produced
thereby
    • 用于制造由此制造的缝合针和针的方法
    • US5649961A
    • 1997-07-22
    • US470558
    • 1995-06-06
    • Walter McGregorSemyon Shchervinsky
    • Walter McGregorSemyon Shchervinsky
    • A61B17/06B21G1/00B21G1/02B21G1/06
    • A61B17/06066B21G1/00
    • A process for the manufacture of suture needles and, more particularly, a process for enhancing the physical strength of the suture needles through an expedient cold-working or cold-forming procedure. Also disclosed is the provision of a novel and physically strengthened suture needle, particularly a surgical suture needle possessing a curvilinear configuration wherein the cross-sectional configuration of the needle is cold-formed into varying shapes in order to produce a needle having superior physical characteristics and strengths imparted thereto through the inventive process. The needles are essentially cold formed, and which process includes the aspect of imparting to straight metal rods which are preferably constituted from stainless steel, manufacturing steps which include sharpening one end of rod severed segments so as to form the needle tip, thereafter curving the needle with the metal still being in a relatively ductile state, and subjecting the needle to a cold forming process, such as through the intermediary of pressure die molds or stamping, to produce varying cross-sectional shapes along the length of the needle.
    • 一种用于制造缝合针的方法,更具体地说,一种通过有利的冷加工或冷成型方法增强缝合针的物理强度的方法。 还公开了提供一种新型和物理上加强的缝合针,特别是具有曲线构型的外科缝合针,其中针的横截面构型被冷成型为变化的形状,以便产生具有优异物理特性的针和 通过本发明方法赋予它的优点。 针本质上是冷成型的,该方法包括赋予优选由不锈钢构成的直金属杆的方面,制造步骤包括磨削杆切割段的一端以形成针尖,然后弯曲针 金属仍然处于相对延性的状态,并且通过例如通过压模或冲压中间的方式对针进行冷成型处理,以沿着针的长度产生变化的横截面形状。
    • 3. 发明授权
    • Uniform felting needle barb and method of making same
    • 均匀刺针针刺及其制作方法
    • US4156305A
    • 1979-05-29
    • US834315
    • 1977-09-19
    • Edson P. Foster
    • Edson P. Foster
    • B21G1/06D04H18/00
    • D04H18/00B21G1/06D04H18/02
    • A felting needle, with thousands of its counterparts, must be identically reproducable and uniform so that consistent duplication of the finished product of felted material is possible. The method of the present invention, as well as the apparatus of this invention for practicing the method, have the capability, for the first time, of exact duplication of a felting-needle barb, with rounded contours on all faces and edges which contact the fibers, and with uniform size, shape and finish, all produced by a method which is essentially a one-step process reducing the number of steps of the manufacturing procedure to a minimum. Thus the apparatus and process provide a barb-forming tool which has a recess or cavity formed therein which is the exact mirror image or mating counterpart of the shape or outline of the barb and barb-recess to be formed in the needle, and which, with such contour-controlling and material-constraining cavity, produces an exact cavity, throat and barb each time the tool strikes the needle. Moreover, the complete forming of the throat and barb, including the depth, barb angle, face width, face angle, kickup (if any) and radii on the edges of the adjoining surfaces is accomplished simultaneously, in a single stroke of the forming tool.
    • 具有成千上万的对应物的毡针必须具有相同的可再现性和均匀性,以便可以使成品材料的成品一致地重复。 本发明的方法以及用于实施该方法的本发明的装置首次具有精确复制毡针倒钩的能力,在所有面和边缘上都具有圆形轮廓, 纤维,并且具有均匀的尺寸,形状和整理,所有这些都通过基本上是一步法的方法产生,将制造过程的步骤数减少到最小。 因此,该装置和方法提供了一种倒钩形成工具,其具有形成在其中的凹部或空腔,其是形成在针中的倒钩和倒钩凹部的形状或轮廓的精确镜像或配合对应物, 具有这种轮廓控制和材料约束腔,每当刀具撞击针时,产生精确的腔体,喉部和倒钩。 此外,在成形工具的一个行程中,同时实现了喉部和倒钩的完整形成,包括深度,倒钩角,面宽度,面角度,弯曲(如果有的话)和半径的相邻表面的边缘 。
    • 5. 发明授权
    • Method and apparatus for forming a uniform felting needle barb
    • 用于形成均匀刺针针刺的方法和装置
    • US4065955A
    • 1978-01-03
    • US689393
    • 1976-06-15
    • Edson Perkins Foster
    • Edson Perkins Foster
    • B21G1/06D04H18/00
    • D04H18/00B21G1/06D04H18/02
    • A felting needle, with thousands of its counterparts, must be identically reproducible and uniform so that consistent duplication of the finished product of felted material is possible. The method of the present invention, as well as the apparatus of this invention for practicing the method, have the capability, for the first time, of exact duplication of a felting-needle barb, with rounded contours on all faces and edges which contact the fibers, and with uniform size, shape and finish, all produced by a method which is essentially a one-step process reducing the number of steps of the manufacturing procedure to a minimum. Thus the apparatus and process provide a barb-forming tool which has a recess or cavity formed therein which is the exact mirror image or mating counterpart of the shape or outline of the barb and barb-recess to be formed in the needle, and which, with such contour-controlling and material-constraining cavity, produces an exact cavity, throat and barb each time the tool strikes the needle. Moreover, the complete forming of the throat and barb, including the depth, barb angle, face width, face angle, kickup (if any) and radii on the edges of the adjoining surfaces is accomplished simultaneously, in a single stroke of the forming tool.
    • 具有数千个对应物的毡针必须具有相同的可再现性和均匀性,以便成品材料的成品的一致重复是可能的。 本发明的方法以及用于实施该方法的本发明的装置首次具有精确复制毡针倒钩的能力,在所有面和边缘上都具有圆形轮廓, 纤维,并且具有均匀的尺寸,形状和整理,所有这些都通过基本上是一步法的方法产生,将制造过程的步骤数减少到最小。 因此,该装置和方法提供了一种倒钩形成工具,其具有形成在其中的凹部或空腔,其是形成在针中的倒钩和倒钩凹部的形状或轮廓的精确镜像或配合对应物, 具有这种轮廓控制和材料约束腔,每当刀具撞击针时,产生精确的腔体,喉部和倒钩。 此外,在成形工具的一个行程中,同时实现了喉部和倒钩的完整形成,包括深度,倒钩角,面宽度,面角度,底面(如果有的话)和相邻表面的边缘上的半径 。
    • 8. 发明授权
    • Latch knitting needle and method of making same
    • 锁编织针及其制作方法
    • US4099391A
    • 1978-07-11
    • US852785
    • 1977-11-18
    • Masao Fukuhara
    • Masao Fukuhara
    • B21G1/06D04B35/04
    • D04B35/04
    • A pivoted latch needle having a concave shaped seat formed in the stem portion thereof to receive therein the spoon end of the latch when the latter is moved to its opened position, the shape of the surface of the seat conforming to the curvature of the exterior surface of an arcuate section of a right circular cone the axis of which extends lengthwise of the needle, the curvatures of the surface of the convex side of the spoon end of the latch and of the surface of the seat being similar so that there is surface to surface contact therebetween, and a method of forming the seat by the use of an end milling cutter of cone shape to remove predetermined material from the stem of the needle.
    • 枢转的锁定针,其具有形成在其杆部分中的凹形座,以在其中移动到其打开位置时在其中容纳闩锁的勺子端,座椅的表面的形状符合外表面的曲率 一个圆形圆弧的弓形部分,其圆周的轴线沿着针的长度方向延伸,闩锁的勺子端的凸面的表面和座的表面的曲率相似,使得表面与 表面接触,以及通过使用锥形端铣刀形成座的方法,以从针的杆上移除预定材料。