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公开(公告)号:US20090227963A1
公开(公告)日:2009-09-10
申请号:US12464066
申请日:2009-05-11
申请人: Kirk P. SEWARD , Albert P. PISANO
发明人: Kirk P. SEWARD , Albert P. PISANO
IPC分类号: A61M5/32
CPC分类号: A61B17/3478 , A61B2017/00247 , A61B2017/00398 , A61B2017/22069 , A61B2017/22077 , A61B2018/00392 , A61M2025/0096 , A61M2025/105
摘要: An actuator for an interventional surgical procedure is described. The actuator may include an actuator body having a distal end and a proximal end. A central expandable section is located between the distal end and the proximal end. The expandable section is operable between an unactuated condition in which the expandable section is in a furled state and an actuated condition in which the expandable section is in an unfurled state. A needle is located at the expandable section. The needle is moveable in an approximately perpendicular direction relative to a central longitudinal axis of the actuator body from a position within the actuator body to a position outside of the actuator body.
摘要翻译: 描述了用于介入外科手术的致动器。 致动器可以包括具有远端和近端的致动器本体。 中心可扩张部分位于远端和近端之间。 可膨胀部分可在可膨胀部分处于卷起状态的未致动状态和可膨胀部分处于未折叠状态的致动状态之间操作。 针位于可扩张部位。 针可以相对于致动器主体的中心纵向轴线在大致垂直的方向上从致动器本体内的位置移动到致动器主体外侧的位置。
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公开(公告)号:US06872433B2
公开(公告)日:2005-03-29
申请号:US09819111
申请日:2001-03-27
IPC分类号: A61B17/00 , A61B17/12 , A61F2/00 , A61F2/86 , A61L29/12 , A61L31/12 , A61M25/00 , A61M25/01 , B29D23/00
CPC分类号: A61M25/0116 , A61B2017/003 , A61B2017/00345 , A61B2017/00398 , A61B2017/00867 , A61B2017/00871 , A61B2017/12077 , A61F2/86 , A61F2210/0023 , A61L29/126 , A61L31/128 , A61L2400/16 , A61M25/0043 , A61M25/0052 , A61M25/0053 , A61M25/0158 , A61M2025/0063 , A61M2205/0266 , Y10S428/913 , Y10T428/1352 , Y10T428/139 , Y10T428/1393 , Y10T428/1397 , Y10T428/2925
摘要: Micro-electromechanical tools for minimally invasive techniques including microsurgery. These tools utilize composite shape memory alloy (SMA), shape memory polymer (SMP) and combinations of SMA and SMP to produce catheter distal tips, actuators, etc., which are bistable. Applications for these structures include: 1) a method for reversible fine positioning of a catheter tip, 2) a method for reversible fine positioning of tools or therapeutic catheters by a guide catheter, 3) a method for bending articulation through the body's vasculature, 4) methods for controlled stent delivery, deployment, and repositioning, and 5) catheters with variable modulus, with vibration mode, with inchworm capability, and with articulated tips. These actuators and catheter tips are bistable and are opportune for in vivo usage because the materials are biocompatible and convenient for intravascular use as well as other minimal by invasive techniques.
摘要翻译: 用于微创技术的微机电工具,包括显微外科手术。 这些工具使用复合形状记忆合金(SMA),形状记忆聚合物(SMP)和SMA和SMP的组合来产生双稳态的导管远端尖端,致动器等。 这些结构的应用包括:1)导管末端可逆精细定位的方法,2)通过引导导管可逆地精确定位工具或治疗导管的方法,3)通过身体脉管系统弯曲关节的方法,4 )控制支架输送,部署和重新定位的方法,以及5)具有可变模量的导管,具有振动模式,具有蚯蚓能力,以及具有铰接尖端。 这些致动器和导管尖端是双稳态的,并且适合于体内使用,因为材料是生物相容性的并且便于血管内使用以及其它最小的侵入性技术。
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公开(公告)号:US07666163B2
公开(公告)日:2010-02-23
申请号:US12464066
申请日:2009-05-11
申请人: Kirk P. Seward , Albert P. Pisano
发明人: Kirk P. Seward , Albert P. Pisano
IPC分类号: A61M37/00
CPC分类号: A61B17/3478 , A61B2017/00247 , A61B2017/00398 , A61B2017/22069 , A61B2017/22077 , A61B2018/00392 , A61M2025/0096 , A61M2025/105
摘要: An actuator for an interventional surgical procedure is described. The actuator may include an actuator body having a distal end and a proximal end. A central expandable section is located between the distal end and the proximal end. The expandable section is operable between an unactuated condition in which the expandable section is in a furled state and an actuated condition in which the expandable section is in an unfurled state. A needle is located at the expandable section. The needle is moveable in an approximately perpendicular direction relative to a central longitudinal axis of the actuator body from a position within the actuator body to a position outside of the actuator body.
摘要翻译: 描述了用于介入外科手术的致动器。 致动器可以包括具有远端和近端的致动器本体。 中心可扩张部分位于远端和近端之间。 可膨胀部分可在可膨胀部分处于卷起状态的未致动状态和可膨胀部分处于未折叠状态的致动状态之间操作。 针位于可扩张部位。 针可以相对于致动器主体的中心纵向轴线在大致垂直的方向上从致动器本体内的位置移动到致动器主体外侧的位置。
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