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    • 63. 发明公开
    • Surgical cutting instrument
    • Chirurgisches施氏仪器。
    • EP0499465A1
    • 1992-08-19
    • EP92301181.1
    • 1992-02-13
    • LINVATEC CORPORATION
    • Schuler, Donald K.
    • A61B17/32
    • A61B17/32002
    • The cutting strength of a rotary surgical cutting instrument (12) is increased by an on-axis bearing contact between the distal end of its rotatable inner member (16) and the interior surface of its outer member (14). The outer member (14) is provided with a distal cutting aperture (88) angularly oriented to the rotation axis and circumscribed by an oval outer cutting edge. The inner member (16) has two symmetrical rows of straight-sided triangular cutting teeth (102) positioned to cooperate with the outer cutting edge (88) to shear tissue, including bone, disposed in the cutting aperture. A clearance gap (134) between the inner and outer members (16,14) narrows in width in the region between the teeth (102) and the aperture (88) to prevent severed tissue from lodging between the inner and outer members. The height of the cutting teeth (102) is at least 50% of their width, and 15% to 22% of the outer diameter of the inner member. The straight sides of the teeth converge to crests (124) disposed in a first common longitudinal plane. The teeth (102) are separated by roots disposed in a second plane parallel to the first plane but disposed closer than the first plane to the rotation axis.
    • 通过其可旋转的内部构件(16)的远端和其外部构件(14)的内表面之间的轴上轴承接触,旋转外科切割器具(12)的切割强度增加。 外部构件(14)设置有远离切割孔(88),该远端切割孔(88)成角度地定向到旋转轴线并且被椭圆形外切割边缘限定。 内部构件(16)具有两个对称排的直立三角形切割齿(102),定位成与外部切割边缘(88)协作以剪切设置在切割孔中的包括骨骼的组织。 内部和外部构件(16,14)之间的间隙(134)在齿(102)和孔(88)之间的区域中宽度变窄,以防止被切断的组织倒入内部和外部构件之间。 切割齿(102)的高度为其内部构件的至少50%的宽度和15%至22%的外径。 齿的直边会聚到设置在第一公共纵向平面中的波峰(124)上。 齿(102)由设置在与第一平面平行的第二平面中的根分开,但是设置成比第一平面更靠近旋转轴线。
    • 68. 发明公开
    • Novel reagent and method for peptide synthesis
    • Neues Reagenz und Verfahren zur Peptidsynthese。
    • EP0482260A1
    • 1992-04-29
    • EP90311774.5
    • 1990-10-26
    • PROTEIN TECHNOLOGIES, INC.
    • Barstow, Leon E.Ward, Glen D.
    • C07K1/04C07K1/08
    • C07K1/04C07K1/082
    • A novel and convenient process is described for providing protected amino acids and activating agents for solid phase synthesis which drastically reduces the capital costs of equipment required for the preparation of peptides. The two normally very reactive reagents, when mixed as anhydrous powders are shelf stable and yet form an active compound rapidly when mixed together in solution. This invention presents a method for combining these highly reactive dry solids in a manner which makes them unreactive and shelf stable at room temperature for extended periods of time. Once the solids are dissolved in solvent, a highly reactive amino acid ester that can readily be used in solid phase peptide synthesis is formed. This method of delivery of reagents to an automated peptide synthesizer allows a very simplified instrument to be constructed using fewer and less expensive components and significantly reducing the associated software required.
    • 描述了一种新颖而方便的方法,用于提供用于固相合成的受保护的氨基酸和活化剂,其显着降低了制备肽所需的设备的资本成本。 两种通常非常活泼的试剂当以无水粉末混合时是稳定的,并且当在溶液中混合在一起时迅速形成活性化合物。 本发明提出了一种将这些高反应性干固体以使其在室温下长时间不反应和稳定的方式组合的方法。 一旦固体溶解在溶剂中,就可以形成易于用于固相肽合成的高反应性氨基酸酯。 将试剂递送到自动化肽合成仪的这种方法允许使用更少和更少成本的组分构建非常简化的仪器,并显着减少所需的相关软件。
    • 69. 发明公开
    • Banding tool with included clamping means
    • Bandwerkzeug mit Klemmittel。
    • EP0479623A1
    • 1992-04-08
    • EP91309148.4
    • 1991-10-04
    • Band-It-IDEX, Inc.
    • Jansen, George A.
    • B25B25/00B65B13/34
    • B65B13/345B25B25/005B65B13/027B65B13/305
    • A banding tool (10) is provided to tension and lock a band (12) and a buckle (14) around an object (16). The tool (10) has a housing (18) and a pull-up/cut-off handle (20) for cooperatingly tensioning the band (12). Upon properly tensioning the band (12) around the object (16), the handle (20) is further manipulated to engage a locking/cutting lever (26). The lever (26) engages a head (42) which holds a punch (46) therein and includes a surface (49). The punch (46) first contacts the band (12) to deform and lock the band (12) to itself. The surface (49) of the head (48) then bends and cuts the tail (134) from the band (12).
    • 提供捆扎工具(10)以围绕物体(16)张紧和锁定带(12)和带扣(14)。 工具(10)具有壳体(18)和用于协同地张紧带(12)的上拉/切断手柄(20)。 在围绕物体(16)适当地张紧带(12)时,手柄(20)进一步被操纵以接合锁定/切割杆(26)。 杠杆(26)接合在其中保持冲头(46)的头部(42),并包括表面(49)。 冲头(46)首先接合带(12)以将带(12)变形并锁定到其自身。 头部(48)的表面(49)然后从带(12)弯曲并切割尾部(134)。