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    • 82. 发明申请
    • CIC HEARING AID SEAL AND METHOD OF MANUFACTURING THE SAME
    • CIC听力密封及其制造方法
    • WO2014040649A1
    • 2014-03-20
    • PCT/EP2012/068209
    • 2012-09-17
    • PHONAK AG
    • KARAMUK, ErdalWENZEL, Stuart
    • H04R25/00
    • H04R25/652B29C43/003B29C43/027B29C43/32B29C45/0001B29C45/0055B29C45/1671B29C2045/0058B29C2045/0091B29C2045/1673B29K2083/005B29K2105/041B29K2995/0002B29L2031/26F16J15/04H04R25/02H04R25/456H04R25/608H04R25/658H04R2225/023H04R2460/15
    • The invention relates to a method of manufacturing an acoustic seal (100, 110) for retaining a CIC hearing aid (30, 230) within a portion of the ear canal (10) by contact with the wall (20) of the ear canal, comprising: embedding sacrificial particles (70) having a size of at least 50μm and not more than 250μm into a silicone rubber matrix (72), wherein the concentration and the size of the sacrificial particles is selected such that a porosity of at least 40% is achieved; molding the silicone rubber matrix into a desired shape by using a mold and curing the silicone rubber matrix; removing the sacrificial particles from the silicone rubber matrix by leaching out the sacrificial particles in a solvent; and drying the silicone rubber matrix; wherein the seal is designed to surround at least part of the hearing aid and wherein the seal is designed, by selection of the size and/or the concentration and/or the distribution of the sacrificial particles, to provide for an acoustic attenuation of at least 20 dB in a frequency range between 200 Hz and 6 kHz, when the hearing aid is inserted into the ear canal, and for a compliance of at least 50 mm/N.
    • 本发明涉及一种用于通过与耳道的壁(20)接触来制造用于将CIC助听器(30,230)保持在耳道(10)的一部分内的声学密封件(100,110)的方法, 包括:将具有至少50μm且不大于250μm的尺寸的牺牲颗粒(70)嵌入到硅橡胶基质(72)中,其中所述牺牲颗粒的浓度和尺寸被选择为使得至少40% 已完成; 通过使用模具将硅橡胶基体成型为期望的形状并固化硅橡胶基体; 通过在溶剂中浸出牺牲颗粒从硅橡胶基质中除去牺牲颗粒; 并干燥硅橡胶基体; 其中所述密封件被设计成围绕所述助听器的至少一部分,并且其中通过选择所述牺牲颗粒的尺寸和/或浓度和/或分布来设计所述密封件,以提供至少 当助听器插入耳道时,在200Hz至6kHz之间的频率范围内为20dB,并且至少达到50mm / N。
    • 87. 发明申请
    • FLEXIBLE, CHEMICALLY RESISTANT TUBULAR DIAPHRAGM
    • 柔性,耐化学性管膜
    • WO99014496A1
    • 1999-03-25
    • PCT/US1998/019318
    • 1998-09-17
    • B29C43/02B29C43/18B29D23/00B32B25/08F04B43/00F04B43/10B32B1/08
    • B32B1/08B29C43/027B29C43/183B29D23/001B29K2027/18B29L2009/00B32B25/08B32B27/322B32B2307/714B32B2327/18B32B2597/00F04B43/0072F05C2225/00F05C2225/04
    • A flexible, chemically resistant tubular diaphragm and method for making the same. The diaphragm includes a substantially cylindrical body having a length and an outer portion comprising a layer of elastomeric material having an inner surface. The substantially cylindrical body includes a chemically resistant lining material adjacent the inner surface. The cross-sectional configuration of the substantially cylindrical body is substantially circular along its length. The method includes the steps of forming a substantially cylindrical body comprising a chemically resistant material and applying an elastomeric material to the outer surface of the substantially cylindrical body to surround the body and to form a composite substantially cylindrical body. The composite body is molded to obtain a substantially uniform circular cross-sectional configuration along its length before it is heated to a predetermined temperature under pressure.
    • 柔性,耐化学腐蚀的管状隔膜及其制造方法。 隔膜包括具有长度的基本上圆柱形的主体,外部包括具有内表面的弹性材料层。 基本上圆柱形的主体包括邻近内表面的耐化学腐蚀衬里材料。 基本上圆柱形的主体的横截面构造沿其长度基本上是圆形的。 该方法包括以下步骤:形成基本上圆柱形的主体,其包括耐化学腐蚀材料,并将弹性体材料施加到基本圆柱形主体的外表面以包围主体并形成复合的基本上圆柱形的主体。 在将复合体在压力下加热至预定温度之前,将复合体模制成沿其长度获得基本均匀的圆形横截面构造。
    • 90. 发明申请
    • SOFT TIP CATHETER AND METHOD OF MANUFACTURE
    • 软提示导管及其制造方法
    • WO1993000953A1
    • 1993-01-21
    • PCT/US1992005460
    • 1992-06-26
    • SHERWOOD MEDICAL COMPANY
    • SHERWOOD MEDICAL COMPANYBODICKY, Raymond, Otto
    • A61M25/00
    • A61M25/001A61M2025/0047A61M2025/0081B29C43/027B29C43/18B29C70/76B29L2031/7542Y10T156/1066
    • A catheter (10) and a method of manufacture thereof which includes a relatively rigid body (11) and a relatively soft tip (12) for decreasing the likelihood of injury or damage to tissue such as the wall of a blood vessel or the heart when the catheter (10) is used as a part of an invasive medical procedure such as angiography or angioplasty. The method includes the use of a core (15) which is sufficiently resistant to high temperatures to allow extrusion of polymeric material thereover in the process of forming the catheter (10). The core (15) controls the catheter's (10) inside diameter, and is sufficiently heat resistant to allow its use through all subsequent manufacturing process steps involving the formation of the soft tip (12). The method of the present invention prevents foreign material build up within the inner diameter of the catheter (10) during processing, eliminates the need for special fusion support mandrels during fusion of the soft tip (12) onto the catheter body (11), and maintains the integrity of the internal diameter of the catheter body (11) and soft tip (12) during the thermal and pressure processes of the manufacture. The invention also includes a novel method of sizing and fusing the soft tip (12) onto the catheter body (11) including the use of a piston member (29) about the core (15) which can apply pressure to the material forming the soft tip (12) at any time before, during or after the thermal heating step.