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    • 3. 发明授权
    • Hermetically sealable silicon system and method of making same
    • 密封硅系统及其制作方法
    • US07402899B1
    • 2008-07-22
    • US11622647
    • 2007-01-12
    • James S. WhitingNeal L. EiglerBrian M. MannWerner Hafelfinger
    • James S. WhitingNeal L. EiglerBrian M. MannWerner Hafelfinger
    • H01L21/30
    • H01L23/10B81B7/0077H01L2924/0002H01L2924/01079H01L2924/09701H01L2924/00
    • A device and method for hermetically sealing a medical device is provided. In one aspect, a silicon device is coupled to a sensor, such as a pressure transducer, which benefits from having direct contact with its environment, which in many cases, is the human body. Thus, a method to hermetically seal the non-sensing portion of a silicon device while allowing the sensing portion (e.g. the pressure transducer) to have direct contact with the body is provided. In one aspect, a silicon chip, a gold preform and a metallic housing are each primed for sealing and are assembled. The assembly is then heated to react the gold preform to the silicon chip and to form a molten gold-silicon alloy in-situ to bind the metallic housing to the non-sensing portion of the silicon chip. In this way, the non-sensing portion of the silicon chip is hermetically sealed and protected from exposure, while still permitting exposure of the sensing portion to the environment.
    • 提供一种用于密封医疗装置的装置和方法。 在一个方面,硅器件耦合到诸如压力传感器的传感器,其受益于与其环境的直接接触,其在许多情况下是人体。 因此,提供了一种使允许感测部分(例如压力传感器)与身体直接接触的硅器件的非感测部分密封的方法。 在一个方面,硅芯片,金预成型件和金属外壳各自用于密封并组装。 然后将组件加热以使金预成型件与硅芯片反应,并原位形成熔融的金 - 硅合金,以将金属外壳固定到硅芯片的非感测部分。 以这种方式,硅芯片的非感测部分被气密地密封并防止暴露,同时仍然允许感测部分暴露于环境中。
    • 7. 发明授权
    • Transmembrane access systems and methods
    • 跨膜进入系统和方法
    • US08029470B2
    • 2011-10-04
    • US10956899
    • 2004-09-30
    • James S. WhitingNeal L. EiglerJohn L. WardleWerner HafelfingerBrian Mann
    • James S. WhitingNeal L. EiglerJohn L. WardleWerner HafelfingerBrian Mann
    • A61M5/178
    • A61M25/0662A61M25/0041A61M2025/0681
    • Systems and methods for penetrating a tissue membrane to gain access to a target site are disclosed. In some examples, systems and methods for accessing the left atrium from the right atrium of a patient's heart are carried out by puncturing the intra-atrial septal wall. One embodiment provides a system for transseptal cardiac access that includes a stabilizer sheath having a side port, a shaped guiding catheter configured to exit the side port and a tissue penetration member disposed within and extendable from the distal end of the guide catheter. The tissue penetration member may be configured to penetrate tissue upon rotation and may be coupled to a distal portion of a torqueable shaft. In some embodiments, the stabilizer sheath and shaped guiding catheter may be moved relative to the patient's body structure and relative to each other so that a desired approach angle may be obtained for the tissue penetration member with respect to the target tissue.
    • 公开了渗透组织膜以获得进入目标部位的系统和方法。 在一些实例中,通过穿刺房间隔壁来进行从患者心脏的右心房进入左心房的系统和方法。 一个实施例提供了一种用于经心脏进入的系统,其包括具有侧端口的稳定器护套,被配置为离开侧端口的成形引导导管和设置在引导导管的远端内并且可从引导导管的远端延伸的组织穿透构件。 组织穿透构件可以构造成在旋转时穿透组织并且可以联接到可扭转轴的远侧部分。 在一些实施例中,稳定器护套和成形引导导管可以相对于患者的身体结构相对于彼此移动,使得组织穿透构件相对于目标组织可以获得期望的接近角。