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    • 3. 发明授权
    • Drainage catheter
    • 排水导管
    • US06558350B1
    • 2003-05-06
    • US09598014
    • 2000-06-20
    • Charles C. HartRalph V. ClaymanSaid HilalNabil HilalJohn BrustadBounsavanh PravongviengkhamGary R. Dulak
    • Charles C. HartRalph V. ClaymanSaid HilalNabil HilalJohn BrustadBounsavanh PravongviengkhamGary R. Dulak
    • A61M2900
    • A61M25/0017A61M25/04
    • A drainage catheter is adapted to drain fluid from the body cavity through a body conduit and includes an elongate tube having a distal end and a retention member disposed at the distal end and adapted for movement between the low-profile state facilitating insertion of the catheter and a high-profile state facilitating the tension of the catheter in its operative position. A woven mesh forms at least a portion of one of the tube and the retention member, and can be made permeable or impermeable in various regions of the catheter. The woven mesh can be formed of filaments heat-settable so that the catheter automatically moves to the high-profile state. Insertion of the catheter can be facilitated using an obturator and a guidewire in an associated method, an obturator facilitating insertion of the catheter can be removed to permit the catheter to automatically return to a normal, high-profile state.
    • 引流导管适于通过体导管从体腔排出流体,并且包括细长管,其具有远端和设置在远端处的保持构件,并且适于在促进导管插入的低轮廓状态和 促进导管在其操作位置的张力的高轮廓状态。 编织网形成管和保持构件中的一个的至少一部分,并且可以在导管的各个区域中形成为可渗透的或不可渗透的。 编织网可以由可热固化的细丝形成,使得导管自动移动到高轮廓状态。 导管的插入可以通过使用封闭器和相关联的方法中的导丝来促进,可以去除促进导管插入的闭孔器,以允许导管自动返回到正常的高轮廓状态。
    • 5. 发明申请
    • Medical tubing having variable characteristics and method of making same
    • 具有可变特性的医用管及其制造方法
    • US20050165366A1
    • 2005-07-28
    • US10766138
    • 2004-01-28
    • John BrustadSaid HilalNabil HilalCharles HartGary JohnsonSerene HilalGhassan SakakineDonald GadberryEdward PingletonMatthew PetrimePayam AdlparvarCarl HadleyKenneth Vu
    • John BrustadSaid HilalNabil HilalCharles HartGary JohnsonSerene HilalGhassan SakakineDonald GadberryEdward PingletonMatthew PetrimePayam AdlparvarCarl HadleyKenneth Vu
    • A61B17/00A61B17/34A61M25/00A61M5/00
    • A61M25/0012A61B1/0011A61B1/0055A61B17/3421A61B2017/003A61M25/0043
    • The invention primarily is directed to a medical tubing adapted for insertion into a body tissue or cavity and method of manufacturing different variations of the tubing along a length of the tubing. The tubing comprises a plurality of individual, discrete, generally ring-shaped elements arranged in series and fused or bonded together forming a continuous tubular structure. The ring-shaped elements may be formed of a thermoplastic or a thermoset material. The ring-shaped elements may include plastic rings, metallic rings, un-reinforced plastic rings and/or metal reinforced plastic rings assembled along the length of the tubular structure to provide variable flexibility and kink-resistance. The tubular structure may have a cross-section of any geometric shape and it may be bent, twisted or curved without kinking. The ring-shaped elements may have different flexural modulus. The ring-shaped elements may include a combination of flexible and rigid ring-shaped elements assembled along different portions or sections of the tubular structure. The ring-shaped elements may be metallic and may be bonded with a resilient, flexible elastomeric adhesive, wherein the ring-shaped elements may have different lengths and may be fused closer or further apart to one another depending on the characteristics of a portion or section of the tubing. In another aspect of the invention, the medical tubing may further comprise a secondary lumen and a pull wire to control the tubular structure. The ring-shaped elements may be truncated to provide a bending bias. In another aspect of the invention, the ring-shaped elements may vary in diameter and/or composition in different portions or sections of the tubular structure. In yet another aspect of the invention, some of the ring-shaped elements may be radiopaque, or the ring-shaped elements may comprise of different colors to operate as indicators along the tubular structure.
    • 本发明主要针对适于插入身体组织或空腔的医用管道以及沿管道长度制造管道的不同变化的方法。 管道包括多个单独的离散的大体环形元件,其串联布置并且熔合或粘合在一起形成连续的管状结构。 环形元件可以由热塑性材料或热固性材料形成。 环形元件可以包括沿着管状结构的长度组装的塑料环,金属环,未增强塑料环和/或金属增强塑料环,以提供可变的柔性和抗扭结性。 管状结构可以具有任何几何形状的横截面,并且其可以弯曲,扭曲或弯曲而没有扭结。 环形元件可以具有不同的弯曲模量。 环形元件可以包括沿着管状结构的不同部分或部分组装的柔性和刚性环形元件的组合。 环形元件可以是金属的并且可以用弹性的柔性弹性体粘合剂粘合,其中环形元件可以具有不同的长度,并且可以根据部分或部分的特性彼此靠近或更远地彼此熔合 的管道。 在本发明的另一方面,医疗管道还可包括用于控制管状结构的次管腔和拉线。 环形元件可以被截断以提供弯曲偏压。 在本发明的另一方面,环形元件可以在管状结构的不同部分或部分中的直径和/或组成变化。 在本发明的另一方面,一些环形元件可以是不透射线的,或者环形元件可以包括不同颜色以作为沿着管状结构的指示器。
    • 6. 发明申请
    • Multi-seal trocar system
    • 多密封套管针系统
    • US20050033342A1
    • 2005-02-10
    • US10495671
    • 2001-11-13
    • Charles HartJohn BrustadNabil HilalSaid Hilal
    • Charles HartJohn BrustadNabil HilalSaid Hilal
    • A61B17/34
    • A61B17/3462A61B2017/3464
    • A multi-seal trocar system (10) includes a plurality of co-axial sealing elements (30 60,80) adapted for forming a seal with either a large or small instrument. Small and large scaling elements (45,62) are disposed in an in-line arrangement such that a single port is provided for instrument insertion. A zero seal (80) is disposed distally of the sealing elements to seal a working channel of the system and to prevent backflow when no instruments are inserted The small sealing element (45) is configured such that insertion of a large instrument automatically moves the small sealing element (45) out of its path, thereby avoiding contact with the large instrument
    • 多密封套管针系统(10)包括适于与大型或小型仪器形成密封件的多个同轴密封元件(30,60,80)。 小型和大型缩放元件(45,62)以串联排列设置,使得提供用于仪器插入的单个端口。 零密封件(80)被设置在密封元件的远侧以密封系统的工作通道,并且当没有仪器被插入时防止回流。小密封元件(45)构造成使得大型仪器的插入自动地移动小型 密封元件(45)脱离其路径,从而避免与大型仪器接触