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    • 2. 发明申请
    • SPINAL INTERVERTEBRAL DISK REPLACEMENT MATERIAL FOR NUCLEUS PULPOSUS AND PRODUCTION METHOD THEREOF
    • 脊椎动脉内椎间盘置换材料及其生产方法
    • US20100256769A1
    • 2010-10-07
    • US12819825
    • 2010-06-21
    • Takashi NAKAMURASuongHyu HyonMasayuki KyomotoMakoto Kondo
    • Takashi NAKAMURASuongHyu HyonMasayuki KyomotoMakoto Kondo
    • A61F2/44B29C35/08
    • A61F2/442A61L27/16C08L29/04
    • To provide a spinal intervertebral disk replacement material for nucleus pulposus which is relatively superior in load resistance that causes smaller damage of the anulus fibrosus by insertion during operation, remains in the anulus fibrosus stably after operation, and also allows prevention of the damage of the vertebral body cartilage endplate and the anulus fibrosus surrounding the prosthetic portion by sliding, and a production method thereof.The present invention relates to a spinal intervertebral disk replacement material for nucleus pulposus, comprising a dry polyvinylalcohol gel having a percentage of saturated water content of 18 to 50 wt % that changes its shape at a shape deformation rate of 150 vol % or more by water absorption. The present invention also relates to a method of producing the spinal intervertebral disk replacement material for nucleus pulposus above, comprising a step of preparing a polyvinylalcohol gel having a percentage of saturated water content of 20 to 53 wt %, a step of converting the polyvinylalcohol gel into a polyvinylalcohol hydrogel in the hydrated state and forming it into a shape having a hollow region, a step of irradiating the polyvinylalcohol hydrogel with γ ray at an intensity of 20 to 100 kGy, and a step of drying the PVA hydrogel in such a manner that the resulting hydrogel is so deformed that the hollow region disappears.
    • 为了提供用于髓核的脊柱椎间盘置换材料,其在负荷阻力方面相对优越,其在手术中通过插入导致纤维细胞的较小损伤,在手术后保持在纤维环中,并且还允许防止椎体的损伤 身体软骨终板和通过滑动包围假体部分的纤维环,及其制造方法。 本发明涉及一种用于髓核的脊椎椎间盘置换材料,其包含干燥的聚乙烯醇凝胶,其饱和水含量百分比为18至50重量%,其形状以150体积%以上的形状变形率改变其水 吸收。 本发明还涉及上述用于制备髓核脊椎椎间盘置换材料的方法,包括以下步骤:制备饱和水含量百分比为20至53重量%的聚乙烯醇凝胶,将聚乙烯醇凝胶 成为水合状态的聚乙烯醇水凝胶,并将其形成为具有中空区域的形状,以20〜100kGy的强度用γ射线照射聚乙烯醇水凝胶的工序,以及以这种方式干燥PVA水凝胶的工序 所得水凝胶变形使得中空区域消失。
    • 8. 发明申请
    • ASK MODULATOR
    • 询问调制器
    • US20090161785A1
    • 2009-06-25
    • US11962141
    • 2007-12-21
    • Takashi NAKAMURA
    • Takashi NAKAMURA
    • H04L27/10
    • H04L27/04
    • An ASK modulator for reducing the difference in the On/Off ratio due to the difference in the envelope frequency components without deteriorating an adjacent wave leakage power is disclosed. The ASK modulator includes a Manchester encoder that generates Manchester-encoded signals by applying Manchester encoding to an input signal sequence, a waveform shaping unit that generates band-limited encoded signals from the Manchester-encoded signals, and detects and limits minimum values of waveforms of the band-limited encoded signals to generates shaped signals, and a modulating unit that modulates carrier waves based on the shaped signals.
    • 公开了一种ASK调制器,用于减小由于包络频率分量的差异导致的开/关比的差异,而不会使相邻的波浪泄漏功率恶化。 ASK调制器包括曼彻斯特编码器,其通过将曼彻斯特编码应用于输入信号序列来生成曼彻斯特编码的信号,波形整形单元,其从曼彻斯特编码的信号产生带限编码的信号,并且检测并限制 用于产生成形信号的带限编码信号,以及基于成形信号调制载波的调制单元。
    • 9. 发明申请
    • IRON-TYPE GOLF CLUB SET
    • 铁型高尔夫俱乐部套装
    • US20100029401A1
    • 2010-02-04
    • US12502131
    • 2009-07-13
    • Takashi NAKAMURA
    • Takashi NAKAMURA
    • A63B53/04
    • A63B53/047A63B53/00A63B60/00A63B2053/005A63B2053/0408A63B2053/0445
    • A set of iron-type golf clubs comprising “n” pieces of golf clubs having club heads with different loft angles and having advantages that variation in spin amount at mis-shots by long irons is small and accuracy in shots of intentionally curving a ball by short irons is high, each of the club heads having face 4 provided with a plurality of face grooves 10 extending in the toe-heel direction and a plurality of auxiliary grooves 11 including a plurality of first auxiliary grooves 11a extending in at least a region between toe side line L1 and heel side line L2, the first auxiliary grooves 11a being, in this region, in the form of curved grooves convex upward such that a curve descends from peak 13 toward the toe and heel side lines L1 and L2, and average degrees of curvature θi of the first auxiliary grooves of the club heads satisfying a specific relationship.
    • 一组铁杆式高尔夫球杆,包括具有不同杆角的球杆头的“n”个高尔夫球杆,并且具有以下优点,即长铁杆误射时的旋转量的变化小,故意将球弯曲的精确度 短铁杆较高,每个球杆头具有设置有沿趾部跟随方向延伸的多个面槽10的面4,以及多个辅助槽11,其包括多个第一辅助槽11a,第一辅助槽11a至少在 脚趾侧线L1和脚跟侧线L2,在该区域中,第一辅助槽11a呈向上凸起的曲线形状,使得曲线从峰13向脚趾和脚跟侧线L1和L2下降,并且平均 球杆头的第一辅助槽的曲率半径满足特定的关系。
    • 10. 发明申请
    • GOLF CLUB HEAD AND METHOD FOR PRODUCING THE SAME
    • 高尔夫俱乐部头及其生产方法
    • US20090305812A1
    • 2009-12-10
    • US12399708
    • 2009-03-06
    • Takashi NAKAMURA
    • Takashi NAKAMURA
    • A63B53/04B21D22/00
    • B21K23/00A63B53/047A63B2053/0408A63B2053/0445B21K17/00
    • A golf club head 1 having an improved dischargeability of foreign matters such as water and mud caught in face line grooves and a sufficient frictional force with a golf ball generated when hitting the ball, the club head 1 comprising a ball hitting face 2 including a hitting surface 7 and at least one face line groove 8 formed in the hitting surface 7, wherein the hitting surface 7 includes a rough surface portion 7a having an arithmetic mean roughness Raf of 0.20 to 0.55 μm, and the surface of the face line groove 8 has an arithmetic mean roughness Ra1 smaller than the arithmetic mean surface roughness Raf of the rough surface portion 7a, and a method for producing the club head 1.
    • 一种高尔夫球杆头1具有改善的排水性,例如水和泥浆等异物捕获在面线槽中,并且当撞击球时产生的高尔夫球具有足够的摩擦力,球杆头1包括击球面2,击球面2包括击球 表面7和形成在击打表面7中的至少一个面线槽8,其中击打表面7包括具有0.20至0.55μm的算术平均粗糙度Raf的粗糙表面部分7a,并且面线凹槽8的表面具有 算术平均粗糙度Ra1小于粗糙表面部分7a的算术平均表面粗糙度Raf,以及球杆头1的制造方法。