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公开(公告)号：US08409114B2
公开(公告)日：2013-04-02
申请号：US11833117
申请日：2007-08-02
申请人： David J. Parins
发明人： David J. Parins
CPC分类号： A61M25/09 , A61M25/00 , A61M2025/09175
摘要： An intracorporeal device includes a shaft having a proximal section including a first elongate member and a distal section including a tubular member and a second elongate member. A proximal region of the tubular member is attached to the distal region of the first elongate member. The second elongate member is disposed within the lumen of the tubular member, and a proximal region of the second elongate member is attached to the proximal region of the elongate tubular member. As such, in some embodiments, the tubular member can function both as a member joining the first and second elongate members, and as a structural element in the distal section of the shaft providing for desired flexibility, torqueability, and/or pushability characteristics.
摘要翻译： 体内装置包括具有近端部分的轴，所述近端部分包括第一细长部件和包括管状部件和第二细长部件的远端部分。 管状构件的近侧区域附接到第一细长构件的远侧区域。 第二细长构件设置在管状构件的内腔中，并且第二细长构件的近侧区域附接到细长管状构件的近侧区域。 因此，在一些实施例中，管状构件既可以作为连接第一和第二细长构件的构件，也可以作为轴的远侧部分中的结构元件起作用，从而提供期望的柔性，可扭转性和/或推压性。
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公开(公告)号：US5192280A
公开(公告)日：1993-03-09
申请号：US797531
申请日：1991-11-25
申请人： David J. Parins
发明人： David J. Parins
CPC分类号： A61B18/1485 , A61B18/1402 , A61B2017/00274 , A61B2017/00292 , A61B2017/2927 , A61B2018/00547
摘要： An electrosurgical cutting instrument with bipolar electrodes integrally formed into a pivoting ceramic working head. The ceramic head is pivotable about a pivot point by selectively retracting a substantially rigid wire internal to a working element which is slidably and rotatably received within an introducer and connected to a point on the ceramic head offset from a longitudinal axis. Radial incisions are induced into a prostate gland during a transurethral resectioning of the prostate gland (TURP) by applying an RF energy across the bipolar electrodes from an external power source and drawing the electrodes across prostate gland tissue. The pivotal head can be selectively reciprocated to approximately a 90.degree. angle relative to a longitudinal axis of the introducer to effectively cauterize tissue during surgery to perform resectioning of the prostate. Increased maneuverability of the instrument allows a surgeon to more quickly and effectively complete a TURP. The electrodes may be formed in various shapes out of ductile tungsten alloy to withstand high operating temperatures depending upon the nature of the cutting desired. The cutting instrument is suitable for other surgical procedures as well performed using an endoscope.
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公开(公告)号：US06293945B1
公开(公告)日：2001-09-25
申请号：US09518943
申请日：2000-03-06
IPC分类号： A61B1818
CPC分类号： A61B18/1402 , A61B2018/00589 , A61B2018/00601 , A61B2018/1475 , A61B2218/002 , A61B2218/007 , A61B2218/008
摘要： A surgical instrument for performing three functions at the tip of a tube. The first function is for suction or irrigation of an area where surgery is being performed. The tubing can have a vacuum attached for sucking solid particles, liquids, gases or smoke from the area adjacent the end of the tubing. The tubing may also be used to pump fluids into the area adjacent the end of the tube to flush the area or apply a treatment. The tubing has an electrical current such that when the tube is applied to blood it will coagulate the blood. The tubing also has a cutting electrode for electrically cutting tissue. The cutting electrode extends out from the lumen of the tube and retracts therein when not in use. Therefore a surgeon has three instruments compactly arranged at his disposal at the distal end of the tube. Since the tube can be made long and thin it is useful when operating in a limited space and can be used in laparascopic or other microsurgeries. The tube is malleable for shaping it for ease of use. Thus the surgeon can electrically cut, suck out blood, smoke and other debris and electrically coagulate blood all with one instrument and at preferred angles or shapes.
摘要翻译： 一种用于在管的尖端执行三个功能的外科器械。 第一个功能是吸入或灌溉正在进行手术的区域。 管道可以具有附接的真空，用于从邻近管道端部的区域吸取固体颗粒，液体，气体或烟雾。 管道也可用于将流体泵送到邻近管端的区域以冲洗该区域或施加治疗。 管道具有电流，使得当管应用于血液时，其将凝结血液。 管道还具有用于电切割组织的切割电极。 切割电极从管的内腔延伸出来，并在不使用时收缩。 因此，外科医生有三个器械紧紧地布置在管子的远端处。 由于管可制成长而薄，所以在有限的空间中操作时可以使用，并且可以用于腹腔镜或其他微型手术。 该管是可塑的，用于成形以便于使用。 因此，外科医生可以用一个器械以优选的角度或形状电切割，吸出血液，烟雾和其他碎片并使血液全部凝结。
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公开(公告)号：US5743906A
公开(公告)日：1998-04-28
申请号：US713168
申请日：1996-09-12
CPC分类号： A61B10/06 , A61B18/1445 , A61B10/02 , A61B2018/00083 , A61B2018/126 , A61B2018/1861
摘要： A bipolar biopsy device comprising two biopsy tissue collecting receptacles wherein at least one biopsy tissue collecting receptacle is pivotable in relation to the other and wherein each biopsy tissue collecting receptacle supports an electrode portion thereon to which current can flow and a cutting edge that is electrically insulated from the electrode portion. The electrode portion coagulates the tissue surrounding the cutting portion. The cut tissue sample is retained within the receptacles so that it maybe removed for biopsy purposes. Preferably, each biopsy receptacle is individually pivotable in relation to the other and the device is dimensioned to have utility in endoscopic or similar procedures.
摘要翻译： 一种双极活检装置，包括两个活检组织收集容器，其中至少一个活组织检查组织收集容器可相对于另一活组织收集容器枢转，并且其中每个活组织检查组织收集容器支撑电流可流动的电极部分和电绝缘的切割边缘 从电极部分。 电极部分凝结围绕切割部分的组织。 切割的组织样品保留在容器内，使得其可以移除用于活检目的。 优选地，每个活检容器可以相对于另一活动容器单独地枢转，并且该装置的尺寸被确定为具有内窥镜或类似程序的效用。
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5.发明授权Bipolar instrument utilizing one stationary electrode and one movable electrode 失效双极仪器采用一个固定电极和一个可动电极
公开(公告)号：US5197964A
公开(公告)日：1993-03-30
申请号：US790490
申请日：1991-11-12
申请人： David J. Parins
发明人： David J. Parins
CPC分类号： A61B18/1442 , A61B18/1402 , A61B2018/00196
摘要： An electrosurgical instrument for the removal of tissue polyps and the like is disclosed. It features a bipolar pair of conductive electrodes for the cutting of tissue in which at least one electrode is moveable in relation to the other. These electrodes are mounted relative to an insulating plug, which is secured at the distal end of a tubular member. Pressure exerted on a thumb loop shifts the position of one electrode relative to the other. Upon application of RF voltage, the distance at which the electrodes are placed controls the amount of arcing which will occur between electrodes, when placed within a proper range. The electrodes are supplied with power from a standard RF energy source, controlled from a foot or hand switch. The insulating plug may further include metal traces disposed on the peripheral surface. When energized, these traces function as a bipolar pair of electrodes for effecting electrocoagulation of tissue and blood.
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公开(公告)号：US5171311A
公开(公告)日：1992-12-15
申请号：US763559
申请日：1991-09-23
CPC分类号： A61B18/1482 , A61B18/1402 , A61B2018/00119
摘要： An instrument for performing a percutaneous laparoscopic cholecystectomy includes a generally rigid, tubular body with a proximal end, a distal end and a lumen extending between these two ends and with a pair of bipolar electrodes projecting from the distal end of the tubular body and a handle member affixed to its proximal end. The outside diameter of the tubular body is sufficiently small that it can readily pass through a cannula inserted through a puncture made through the abdominal wall. A pair of conductors, connected at one end to the bipolar electrodes and at their other end to a source of radio frequency voltage, extend through the tube's lumen and a handle. Moreover, a fluid port may be formed through the handle so as to be in fluid communication with the lumen of the tube whereby fluids may be perfused through the instrument during its use or a suction may be applied to the proximal port for aspirating the surgical site. In one embodiment of the invention, the bipolar electrodes may be formed as conductive traces extending along the peripheral edges of a thin ceramic blade. In an alternative arrangement, the bipolar electrodes comprise first and second closley space J-spaced conductive hook members.
摘要翻译： 用于进行经皮腹腔镜胆囊切除术的器械包括通常刚性的管状体，其具有近端，远端和在这两个端部之间延伸的内腔，以及从管状体的远端突出的一对双极电极和手柄 构件固定在其近端。 管状体的外径足够小，使得其可以容易地穿过插入通过腹壁制成的穿刺的套管。 在一端连接到双极电极并且在另一端连接到射频电压源的一对导体延伸穿过管的内腔和手柄。 此外，可以通过手柄形成流体端口以便与管腔流体连通，从而在使用过程中可以通过仪器灌注流体，或者可以将吸力施加到近端口以抽吸手术部位 。 在本发明的一个实施例中，双极电极可以形成为沿着薄陶瓷刀片的周边边缘延伸的导电迹线。 在替代布置中，双极电极包括第一和第二闭合空间J隔开的导电钩构件。
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公开(公告)号：US4646742A
公开(公告)日：1987-03-03
申请号：US822385
申请日：1986-01-27
CPC分类号： A61M25/10181 , A61M25/1018 , A61M25/104
摘要： An angioplasty catheter having an outer tubular member and a coaxially aligned inner tubular member. The outer tube is of a first predetermined diameter over a majority of its length, but then tapers down, in a transition zone, to a second predetermined diameter less than the first and which extends to the catheter's distal tip. The inner tube has a distal end shaped to mate with the inside surface of the outer tube in the transition zone to form a seal when the inner tube is advanced in the distal direction. An expander is secured to the outer tube and inflatable by perfusing a fluid in the zone between the outer and inner tubes and through ports formed through the wall of the outer tube in the transition zone. By manipulating the proximal end of the inner tube, blood or other fluids may be perfused or exasperated and made to inflate or deflate the expander, the distal end of the inner tube acting as a valve, seating with the inner surface of the outer tube in the transition zone. The inner tube may be removed completely for maximum perfusion or for replacement with a guide wire or an optical fiber when performing laser angioplasty. The hub on the proximal end of the catheter body facilitates the manipulation of the aforementioned valve and the introduction of a perfusant along the length of the catheter body.
摘要翻译： 一种血管成形术导管，其具有外部管状构件和同轴对准的内部管状构件。 外管在其大部分长度上具有第一预定直径，但是在过渡区域中逐渐变细到比第一预定直径小的第二预定直径，并延伸到导管的远端。 内管具有形状与过渡区域中的外管内表面配合的远端，以在内管沿远端方向前进时形成密封。 膨胀器被固定到外管并且可以通过在外管和内管之间的区域中灌注流体并且通过在过渡区中通过外管的壁形成的端口来充气。 通过操纵内管的近端，血液或其他流体可能被灌注或激怒，并使膨胀器膨胀或放气，内管的远端作为阀，与外管的内表面对准 过渡区。 当进行激光血管成形术时，内管可以被完全去除以用于最大灌注或用导线或光纤替代。 导管主体的近端上的毂有利于上述阀的操作和沿导管主体的长度引入灌注液。
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公开(公告)号：US07747314B2
公开(公告)日：2010-06-29
申请号：US10748933
申请日：2003-12-30
申请人： David J. Parins , Peter Skujins
发明人： David J. Parins , Peter Skujins
IPC分类号： A61M25/00
CPC分类号： A61M25/09 , A61M25/0068 , A61M2025/09083 , A61M2025/09108 , A61M2025/09175 , Y10T29/49826
摘要： Alternative designs, materials and manufacturing methods for guidewires. Some embodiments pertain to a composite guidewire having proximal and distal section, and a connector adapted and configured for permanently joining the proximal section to the distal section. In some embodiments, at least one of the sections is made of a linear-elastic nickel-titanium alloy. Several alternative guidewire tip designs including coiled safety/shaping structures are also disclosed.
摘要翻译： 导线的替代设计，材料和制造方法。 一些实施例涉及具有近端和远端部分的复合导丝，以及适于和构造用于将近端部分永久地连接到远端部分的连接器。 在一些实施例中，至少一个部分由线性弹性镍钛合金制成。 还公开了包括卷绕的安全/成形结构的几种替代的导线尖端设计。
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公开(公告)号：US20100063569A1
公开(公告)日：2010-03-11
申请号：US12541461
申请日：2009-08-14
申请人： Bruce A. Tockman , Timothy R. Jackson , Brendan E. Koop , Lili Liu , Kimberly A. Morris , David J. Parins
发明人： Bruce A. Tockman , Timothy R. Jackson , Brendan E. Koop , Lili Liu , Kimberly A. Morris , David J. Parins
IPC分类号： A61N1/05
CPC分类号： A61N1/056 , A61N2001/0585
摘要： A medical lead includes a lead body having at least one conductor extending from a proximal end of the lead body to a distal end of the lead body. The proximal end is adapted to be connected to a pulse generator, and the distal end includes a curved portion. One or more electrodes are operatively connected to the at least one conductor and coupled to the curved portion of the lead body. At least a portion of each of the one or more electrodes includes an arrangement of interconnected, spaced-apart elements that are selectively configured to allow the one or more electrodes to conform to contours of the curved portion during and after implantation of the medical lead.
摘要翻译： 医疗用引线包括具有至少一个导体的引线体，导体从引线主体的近端延伸到引线主体的远端。 近端适于连接到脉冲发生器，并且远端包括弯曲部分。 一个或多个电极可操作地连接到至少一个导体并且耦合到引线主体的弯曲部分。 一个或多个电极中的每一个的至少一部分包括互连的间隔开的元件的布置，其被选择性地配置成允许一个或多个电极在植入医疗引线期间和之后使其符合弯曲部分的轮廓。
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公开(公告)号：US07540845B2
公开(公告)日：2009-06-02
申请号：US10656630
申请日：2003-09-05
申请人： David J. Parins
发明人： David J. Parins
CPC分类号： A61M25/09 , A61M2025/09091
摘要： An intracorporal device includes a helically wound coil having a plurality of windings forming a coil length and a thermoplastic polymer sleeve circumferentially disposed about a portion of the coil length. A plurality of discrete affixation points are disposed along the coil length. Each discrete affixation point fixes the thermoplastic polymer sleeve to two or more coil windings.
摘要翻译： 体内器件包括螺旋缠绕线圈，其具有形成线圈长度的多个绕组和围绕线圈长度的一部分周向设置的热塑性聚合物套筒。 沿着线圈长度设置多个离散的附加点。 每个离散的固定点将热塑性聚合物套筒固定到两个或更多个线圈绕组。
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