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    • 3. 发明授权
    • Retrieval device made of precursor alloy cable
    • 由前体合金电缆制成的检测装置
    • US07972343B2
    • 2011-07-05
    • US10957685
    • 2004-10-05
    • Gary B. McAlister
    • Gary B. McAlister
    • A61B17/22
    • A61B17/221A61B2017/00867A61B2017/2212
    • A medical retrieval device for retrieving foreign objects from a patient and the method of constructing the device are disclosed. The device incorporates a wire cable composed of a precursor alloy to a superelastic material to improve durability of the device. Because precursor alloys exhibit a linear stress-strain relationship and a yield point associated with a relatively high stress level, the device transfers greater stresses before experiencing deformation. Thus, greater crushing forces can be achieved using a device of this type. These crushing forces may be needed when the foreign object is too large to remove intact. This property also facilitates the device in dilating ducts to retrieve foreign objects. Using the precursor alloy additionally eliminates the need for heat treatment of the cables used in constructing the device. A retrieval device made of precursor alloy cable also is less susceptible to permanent deformation and unwinding during use.
    • 公开了一种用于从患者检索异物的医疗检索装置和构造该装置的方法。 该装置将由前体合金构成的电线与超弹性材料结合,以提高装置的耐久性。 因为前体合金表现出线性应力 - 应变关系和与较高应力水平相关联的屈服点,所以器件在经历变形之前传递更大的应力。 因此,可以使用这种类型的装置来实现更大的破碎力。 当异物太大而不能彻底清除时,可能需要这些破碎力。 该属性还便于扩张管道中的装置检索异物。 使用前体合金另外消除了对用于构造装置的电缆进行热处理的需要。 由前体合金电缆制成的检索装置在使用过程中也不易受到永久变形和退绕的影响。
    • 9. 发明授权
    • Retrieval device made of precursor alloy cable
    • 由前体合金电缆制成的检测装置
    • US06402761B2
    • 2002-06-11
    • US09801186
    • 2001-03-08
    • Gary B. McAlister
    • Gary B. McAlister
    • A61B1722
    • A61B17/221A61B2017/00867A61B2017/2212
    • A medical retrieval device for retrieving foreign objects from a patient, the method of constructing the device, and the method of using the device are disclosed. The device incorporates a wire cable composed of a precursor alloy to a superelastic material to improve durability of the device. Because precursor alloys exhibit a linear stress-strain relationship and a yield point associated with a relatively high stress level, the device transfers greater stresses before experiencing deformation. Thus, greater crushing forces can be achieved using a device of this type. These crushing forces may be needed when the foreign object is too large to remove intact. This property also facilitates the device in dilating ducts to retrieve foreign objects. Using the precursor alloy additionally eliminates the need for heat treatment of the cables used in constructing the device. A retrieval device made of precursor alloy cable also is less susceptible to permanent deformation and unwinding during use.
    • 公开了一种用于从患者检索异物的医疗检索装置,构造装置的方法以及使用该装置的方法。 该装置将由前体合金构成的电线与超弹性材料结合,以提高装置的耐久性。 因为前体合金表现出线性应力 - 应变关系和与较高应力水平相关联的屈服点,所以器件在经历变形之前传递更大的应力。 因此,可以使用这种类型的装置来实现更大的破碎力。 当异物太大而不能彻底清除时,可能需要这些破碎力。 该属性还便于扩张管道中的装置检索异物。 使用前体合金另外消除了对用于构造装置的电缆进行热处理的需要。 由前体合金电缆制成的检索装置在使用过程中也不易受到永久变形和退绕的影响。
    • 10. 发明授权
    • Retrieval device made of precursor alloy cable
    • 由前体合金电缆制成的检测装置
    • US08221434B2
    • 2012-07-17
    • US12849492
    • 2010-08-03
    • Gary B. McAlister
    • Gary B. McAlister
    • A61B17/221
    • A61B17/221A61B2017/00867A61B2017/2212
    • A medical retrieval device for retrieving foreign objects from a patient and the method of constructing the device are disclosed. The device incorporates a wire cable composed of a precursor alloy to a superelastic material to improve durability of the device. Because precursor alloys exhibit, a linear stress-strain relationship and a yield point associated with a relatively high stress level, the device transfers greater stresses before experiencing deformation. Thus, greater crushing forces can be achieved using a device of this type. These crushing forces may be needed when the foreign object is too large to remove intact. This property also facilitates the device in dilating ducts to retrieve foreign objects. Using the precursor alloy additionally eliminates the need for heat treatment of the cables used in constructing the device. A retrieval device made of precursor alloy cable also is less susceptible to permanent deformation and unwinding during use.
    • 公开了一种用于从患者检索异物的医疗检索装置和构造该装置的方法。 该装置将由前体合金构成的电线与超弹性材料结合,以提高装置的耐久性。 由于前体合金表现出线性应力 - 应变关系和与较高应力水平相关联的屈服点,器件在经历变形之前传递更大的应力。 因此,可以使用这种类型的装置来实现更大的破碎力。 当异物太大而不能彻底清除时,可能需要这些破碎力。 该属性还便于扩张管道中的装置检索异物。 使用前体合金另外消除了对用于构造装置的电缆进行热处理的需要。 由前体合金电缆制成的检索装置在使用过程中也不易受到永久变形和退绕的影响。