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    • 2. 发明申请
    • Multiple-angle scissor blade
    • 多角度剪刀片
    • US20050149087A1
    • 2005-07-07
    • US10976505
    • 2004-10-29
    • Russell AhlbergGary JohnsonDavid Okihisa
    • Russell AhlbergGary JohnsonDavid Okihisa
    • A61B17/32
    • A61B17/3201A61B17/320016B24B3/52B26B13/06B26B13/08
    • The invention is directed to a pair of laparoscopic scissors, comprising a pair of blades connected at a pivot, each of the blades having a length, a tip portion, a body portion, an outer surface, an inner surface and a cutting edge, the cutting edge forming an angle with the outer surface along the length of the blade such that tension during a cutting operation at the tip portion is about the same as tension at the body portion during the cutting operation. The angle formed may be greater at the tip portion which continuously decreases over the length of the blade. The tip portion may have a first body thickness and the body portion may have a second body thickness different from the first body thickness. During the cutting operation, the blades progressively move over each other to provide a point contact along the cutting edges. The blades may be thickened in a number of locations and combinations including: (1) one blade could be thicker than the other to force the opposing blade to flex; (2) both blades could be thicker at the body portions to give more strength when cutting staples; (3) each blade could be thickened on one side or the other to stiffen certain locations; and (4) the tips of each blade could be thicker than the body portions to provide increased tension at the tips. In another aspect of the invention, a process of manufacturing the pair of scissors of the invention is disclosed, comprising the steps of form grinding the blades into a desired shape from a pre-hardened block of material, and sharpening the cutting edges of the blades. The blades may also be formed through other processes including wire EDM, laser cutting, waterjet cutting, machining, cast or metal injection molding, and other independent profile manufacturing processes. The manufacturing process of the invention is beneficial in that each profile can be accurately controlled, and the parts will be exact every time.
    • 本发明涉及一对腹腔镜剪刀,包括一对在枢轴处连接的刀片,每个刀片具有长度,尖端部分,主体部分,外表面,内表面和切割边缘, 切割刃沿着刀片的长度与外表面形成一角度,使得在切割操作期间在尖端部分的切割操作期间的张力与主体部分处的张力大致相同。 形成的角度可能在尖端部分处大于叶片长度上连续减小的角度。 尖端部分可以具有第一本体厚度,并且主体部分可以具有不同于第一主体厚度的第二主体厚度。 在切割操作期间,叶片逐渐地彼此移动以沿着切割边缘提供点接触。 叶片可以在多个位置和组合中增厚,包括:(1)一个叶片可以比另一个叶片更厚以迫使相对的叶片弯曲; (2)当切割订书钉时,两个叶片在主体部分可以较厚,以提供更大的强度; (3)每个叶片可以在一侧或另一侧增厚以加固某些位置; 和(4)每个叶片的尖端可以比主体部分更厚,以在尖端处提供增加的张力。 在本发明的另一方面,公开了一种制造本发明的一对剪刀的方法,包括以下步骤:从预硬化的材料块将刀片成型为期望的形状,并且磨削刀片的切割刃 。 刀片也可以通过包括线切割,激光切割,水刀切割,机械加工,铸造或金属注射成型以及其它独立轮廓制造工艺的其它工艺形成。 本发明的制造方法的优点在于,可以精确地控制每个轮廓,并且每个部件将每次都精确。
    • 4. 发明申请
    • System and method for actuating a laparoscopic surgical instrument
    • 用于致动腹腔镜手术器械的系统和方法
    • US20050192598A1
    • 2005-09-01
    • US11059806
    • 2005-02-17
    • Gary JohnsonRussell AhlbergDavid OkihisaGregory Bak-Boychuk
    • Gary JohnsonRussell AhlbergDavid OkihisaGregory Bak-Boychuk
    • A61B17/04A61B17/28A61B17/32
    • A61B17/3201A61B17/1608A61B17/29A61B17/32A61B17/320016A61B2017/2932A61B2017/2934A61B2017/2936
    • The invention is directed to a pin and slot design where the driving slots are moved from the tips to the actuation rod in one aspect of the invention. As a result, the back end of each blade or tip can be dramatically reduced in area so that during full deflection, very little or no part of the blade or tip extends beyond the outside diameter of the shaft. This ensures that nothing catches on the blades or tips during grasper use and the shrink tubing found on the scissors would not be deformed. This can be done because the area for the slots is not needed. Moreover, the usable area for the drive slots on the blade or tip of the actuation rod is maximized to the overall diameter of the outer tube or shaft which provides additional leverage to the blades or tips. In addition, the depth of each slot can be varied such that during actuation, increased tension can be put on the blades or tips throughout the cut. More specifically, the surgical instrument of the invention comprises an elongate tube extending along an axis including an actuation rod coaxially slidable within the elongate tube, a first tip including a first pin formed on a proximal end surface of the first tip, and a second tip including a second pin formed on a proximal end surface of the second tip, the second tip pivotally connected to the first tip at a common pivot pin operably connected to the elongate tube to open and close the tips in response to movement of the actuation rod. The actuation rod has a slot to accept the pins of the first and second tips, the slot has camming surfaces for the pins to slide within the slot, and the proximal ends of the tips extend minimally outside the diameter of the elongate tube during actuation of the tips.
    • 本发明涉及一种销和槽设计,其中驱动槽在本发明的一个方面中从尖端移动到致动杆。 结果,每个叶片或尖端的后端可以大大减小面积,使得在完全偏转期间,叶片或尖端的很少或没有一部分延伸超过轴的外径。 这样可以确保在抓紧器使用过程中没有抓住刀片或尖端,并且剪刀上发现的收缩管不会变形。 这可以做到,因为不需要插槽的区域。 此外,用于驱动槽上的驱动槽或致动杆顶端的可用面积最大化到外管或轴的总直径,这为叶片或尖端提供额外的杠杆作用。 此外,每个槽的深度可以变化,使得在致动期间,可以在整个切割中的刀片或尖端上增加张力。 更具体地说,本发明的手术器械包括沿着轴延伸的细长管,该细长管包括在细长管中同轴滑动的致动杆,包括形成在第一末端的近端表面上的第一销的第一末端和第二末端 包括形成在所述第二末端的近端表面上的第二销,所述第二末端以可操作地连接到所述细长管的共同枢轴销枢转地连接到所述第一末端,以响应于所述致动杆的移动来打开和关闭所述末端。 所述致动杆具有用于接纳所述第一和第二尖端的销的槽,所述槽具有用于所述销在所述槽内滑动的凸轮表面,并且所述尖端的近端在致动期间最小地延伸到所述细长管的直径的外侧 提示。
    • 10. 发明授权
    • Application of speed effects to a video presentation
    • 速度效果应用于视频演示
    • US08209612B2
    • 2012-06-26
    • US12762747
    • 2010-04-19
    • Gary Johnson
    • Gary Johnson
    • G06F3/00G06F3/048
    • G11B27/34G11B27/005G11B27/034G11B27/036
    • Some embodiments provide a method of specifying speed effects for playing a video clip. The method defines a set of speed effects for the video clip. It then displays in real-time a presentation of the video clip that accounts for the set of speed effects defined for the video clip. In some embodiments, this method represents the playback speed of a video clip in terms of a graph that is part of a graphical user interface (“GUI”). This graph is defined along two axes, with one axis representing the playback time, and the other axis representing the content-time (i.e., the time within the video clip). In these embodiments, a user can change the playback speed of the video clip by using a set of GUI operations to select and modify the graph. For instance, a user can select and adjust the graph at different instances in time in order to change the playback speed of the video clip at these instances. Different embodiments use different types of graphs to represent playback speed. For instance, some embodiments use a deformable line bar that is superimposed on a rectangle that represents the video clip.
    • 一些实施例提供了一种指定用于播放视频剪辑的速度效果的方法。 该方法定义了视频剪辑的一组速度效果。 然后,它实时显示视频剪辑的呈现,该视频剪辑占用为视频剪辑定义的速度效果集。 在一些实施例中,该方法表示作为图形用户界面(“GUI”)的一部分的图形的视频剪辑的回放速度。 该图形沿两个轴定义,一个轴表示播放时间,另一个轴表示内容时间(即,视频剪辑内的时间)。 在这些实施例中,用户可以通过使用一组GUI操作来改变视频剪辑的播放速度来选择和修改图形。 例如,用户可以在不同的时间点选择和调整图形,以便在这些情况下改变视频剪辑的播放速度。 不同的实施例使用不同类型的图表来表示播放速度。 例如,一些实施例使用叠加在表示视频剪辑的矩形上的可变形线条。