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    • 3. 发明申请
    • SURGICAL DEVICE WITH TACK-FREE GEL AND METHOD OF MANUFACTURE
    • 无缝凝胶的手术装置及其制造方法
    • WO2005013803A2
    • 2005-02-17
    • PCT/US2004/025511
    • 2004-08-05
    • APPLIED MEDICAL RESOURCES CORPORATIONAHLBERG, Russell, E.ADLPARVAR, PayamTAYLOR, Scott, V.WIXEY, Matthew, A.MARTINEZ, DanielBRUSTAD, John, R.
    • AHLBERG, Russell, E.ADLPARVAR, PayamTAYLOR, Scott, V.WIXEY, Matthew, A.MARTINEZ, DanielBRUSTAD, John, R.
    • A61B
    • A61M3/0279A61B17/3423A61B17/3462A61B17/3498A61B2017/00469A61B2017/22067B29C37/0067B29C39/006B29C39/025B29C39/123
    • A process of making a tack-free gel is disclosed comprising the steps of providing a mold defining a mold cavity, the mold cavity comprising a plastic material; pouring or injecting a molten gel having a high molding temperature into the mold cavity; and forming the tack-free gel as a thin layer of plastic of the mold cavity is melted over the gel. The forming step further comprises cooling the gel from the molten state to a solidified state. The melting temperature of the plastic material is lower than the molding temperature of the gel; and the higher the temperature differential, the greater the melting of the plastic material and the thicker the layer of the plastic material on the surface of the gel. The mold may be formed of low-density polyethylene (LDPE). With the process of the invention, the heat of the molten gel at its molding temperature is transferred to the surface of the LDPE mold so as to melt a thin layer of the LDPE. The mold may comprise a mold base having a plurality of mold holes forming a plurality of mold cavities, each of the mold holes comprising an axial pin to mold an axial hole through a center of the gel, an LDPE cylinder providing a predetermined inside diameter for the mold, and an LDPE disc mounted on the axial pin and disposed at the bottom of each mold cavity in the mold base. The process may further comprise the step of dabbing the gel in a low-friction powder such as polytetrafluoroethylene (PTFE) and a lubricant. The mold may further comprise a mold top disposed axially of the mold base and comprises a plurality of holes forming a plurality of cavities, each of the mold top holes is adapted to receive the LDPE cylinder, and a second LDPE disc disposed at the top of each mold cavity of the mold top.
    • 公开了制造无粘性凝胶的方法,包括以下步骤:提供限定模腔的模具,所述模腔包括塑料材料; 将具有高成型温度的熔融凝胶注入或注入模腔中; 并且将形成无粘性凝胶作为模腔的塑料薄层在凝胶上熔化。 形成步骤还包括将凝胶从熔融状态冷却至固化状态。 塑料材料的熔化温度低于凝胶的成型温度; 并且温差越高,塑料材料的熔化越大,并且凝胶表面上的塑料材料层越厚。 模具可以由低密度聚乙烯(LDPE)形成。 通过本发明的方法,熔融凝胶在其成型温度下的热量转移到LDPE模具的表面,以熔化LDPE的薄层。 模具可以包括具有形成多个模具腔的多个模具孔的模具基座,每个模具孔包括轴向销,以模制通过凝胶的中心的轴向孔,提供预定内径的LDPE圆筒, 模具和安装在轴向销上并设置在模具基座中的每个模具腔的底部的LDPE盘。 该方法还可以包括在诸如聚四氟乙烯(PTFE)和润滑剂的低摩擦粉末中浸渍凝胶的步骤。 模具还可包括设置在模具基座的轴向上的模具顶部,并且包括形成多个空腔的多个孔,每个模具顶部孔适于接纳LDPE圆筒,并且设置在第二LDPE圆盘的顶部 模具顶部的每个模腔。
    • 5. 发明申请
    • OVERMOLDED GRASPER JAW
    • 超大型砂纸机
    • WO2005046491A1
    • 2005-05-26
    • PCT/US2004/037770
    • 2004-11-12
    • APPLIED MEDICAL RESOURCES CORPORATIONAHLBERG, Russell, E.TAYLOR, Scott, V.OKIHISA, DavidBAK-BOYCHUCK, Gregory, I.KARAPETIAN, EmilSTOUT, John
    • AHLBERG, Russell, E.TAYLOR, Scott, V.OKIHISA, DavidBAK-BOYCHUCK, Gregory, I.KARAPETIAN, EmilSTOUT, John
    • A61B17/28
    • A61B17/282A61B17/29A61B2017/2825A61B2017/2902A61B2017/2933A61B2017/2934A61B2017/2936A61B2017/2943
    • The invention is directed to a surgical instrument comprising an elongate tube extending along an axis including a camming rod and an actuation mechanism operably connected to the camming rod, the camming rod having a camming pin and a camming projection; a first jaw spine having a first cam slot, a first interior camming surface, and a first exterior camming surface; and a second jaw spine having a second cam slot, a second interior camming surface, and a second exterior camming surface, the second jaw spine pivotally connected to the first jaw spine at a common pivot pin operably connected to the elongate tube to open and close the jaw spines in response to movement of the actuation mechanism. The camming pin rides along the first and second interior camming surfaces and operates to close the jaw spines when the camming rod is moved proximally. When the camming rod moves distally, the camming projection rides on the first and second exterior camming surfaces formed on the proximal sides of the respective first and second jaw spines and operates to open the jaw spines. A feature of the invention is one camming surface on each jaw spine can facilitate closing the jaw spines while the other camming surface on each jaw spine can facilitate opening the jaw spines. These two camming surfaces on each jaw spine can be widely separated. The jaw spines can be formed of a metallic material and are overmolded with an atraumatic plastic material. By overmolding the plastic onto the metal spine, an atraumatic outer surface can be formed of the plastic material along with a high degree of detail.
    • 本发明涉及一种外科器械,其包括沿轴线延伸的细长管,所述细长管包括可操作地连接到所述凸轮杆的凸轮杆和致动机构,所述凸轮杆具有凸轮销和凸轮凸轮; 具有第一凸轮槽,第一内部凸轮表面和第一外部凸轮表面的第一颚骨脊; 以及具有第二凸轮槽,第二内部凸轮表面和第二外部凸轮表面的第二夹爪,所述第二夹爪枢转地连接到与所述细长管可操作地连接以打开和关闭的公共枢轴的所述第一夹爪 颚爪响应于致动机构的移动而刺入。 凸轮销沿着第一和第二内部凸轮表面骑行,并且当凸轮杆向近侧移动时操作以闭合颚骨棘爪。 当凸轮杆向远端移动时,凸轮突起可骑在形成在相应的第一和第二爪脊的近侧上的第一和第二外部凸轮表面上,并且操作以打开颚骨。 本发明的特征是每个颚骨上的一个凸轮表面可以有助于闭合颚骨棘爪,而每个颌骨上的另一个凸轮表面可以有助于打开颚骨。 每个颚骨上的这两个凸轮表面可以被广泛地分开。 颚棘可以由金属材料形成,并用无创伤的塑料材料包覆成型。 通过将塑料包覆成型到金属脊上,无损伤的外表面可以由塑料材料以高度的细节形成。
    • 7. 发明申请
    • SYSTEM AND METHOD FOR ACTUATING A LAPAROSCOPIC SURGICAL INSTRUMENT
    • 用于行走手术器械的系统和方法
    • WO2005092216A1
    • 2005-10-06
    • PCT/US2005/005105
    • 2005-02-17
    • APPLIED MEDICAL RESOURCES CORPORATIONJOHNSON, Gary, M.AHLBERG, Russell, E.OKIHISA, DavidBAK-BOYCHUCK, Gregory, I.
    • JOHNSON, Gary, M.AHLBERG, Russell, E.OKIHISA, DavidBAK-BOYCHUCK, Gregory, I.
    • A61B17/28
    • 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转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而打开和关闭所述尖端 。 所述致动杆具有用于接纳所述第一和第二末端的销的槽,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。
    • 9. 发明申请
    • MULTIPLE-ANGLE SCISSOR BLADE
    • 多角度锯片
    • WO2005062750A2
    • 2005-07-14
    • PCT/US2004/036024
    • 2004-10-29
    • APPLIED MEDICAL RESOURCES CORPORATIONAHLBERG, Russell, E.JOHNSON, Gary, M.OKIHISA, David
    • AHLBERG, Russell, E.JOHNSON, Gary, M.OKIHISA, David
    • 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.
    • 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在叶片的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。 刀片可以在多个位置和组合中加厚。