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    • 3. 发明授权
    • Method for manufacturing small diameter medical devices
    • 小直径医疗器械的制造方法
    • US06647755B2
    • 2003-11-18
    • US10092862
    • 2002-03-06
    • Robert A. RabinerBradley A. HareJanniah S. Prasad
    • Robert A. RabinerBradley A. HareJanniah S. Prasad
    • B21C128
    • B21C3/02A61B17/22012A61B2017/22015A61B2017/22018B21C1/22B21C1/30B21C9/02B21F45/008
    • An apparatus and method for manufacturing small diameter ultrasonic probes capable of vibrating in a transverse mode that can be used in ultrasonic tissue ablation. The apparatus includes a die, a style puller which is used to engage a functional end of the medical device, and a die room puller which is used to draw the medical device through the die. The die includes a bell-shaped lead-in on a front side of the die and a bell-shaped lead-in on a back side of the die allowing for reversal of the direction of the draw. The method of manufacturing includes heat treating a large diameter medical device, drawing the large diameter device through a die and reversing the draw of the medical device through the die to provide a medical device having a varying diameter along a length of the device. The method is repeated until a final diameter is reached.
    • 一种用于制造能够用于超声波组织消融的横向模式的小直径超声波探头的装置和方法。 该装置包括模具,用于接合医疗装置的功能端的型式拔出器,以及用于通过模具拉出医疗装置的模具室拉拔器。 模具包括在模具的前侧上的钟形引导件和在模具的背面上的钟形引入件,从而能够反转拉伸方向。 制造方法包括对大直径医疗装置进行热处理,通过模具拉伸大直径装置并使医疗装置通过模头反转,以提供具有沿装置长度变化的直径的医疗装置。 重复该方法直到达到最终直径。