CN102579037B - Coronary vein mapping catheter and preparation method thereof - Google Patents

Coronary vein mapping catheter and preparation method thereof Download PDF

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CN102579037B
CN102579037B CN 201210016532 CN201210016532A CN102579037B CN 102579037 B CN102579037 B CN 102579037B CN 201210016532 CN201210016532 CN 201210016532 CN 201210016532 A CN201210016532 A CN 201210016532A CN 102579037 B CN102579037 B CN 102579037B
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mapping
catheter
electrode
coronary
end
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CN 201210016532
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CN102579037A (en )
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洪浪
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洪浪
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Abstract

本发明公开了一种冠状静脉标测导管及其制备方法,要解决的技术问题是明确靶点的确切位置。 The present invention discloses a mapping catheter in the coronary vein and its preparation method, the technical problem to be solved is to clear the exact location of targets. 本发明的冠状静脉标测导管设有导管,导管的远端为冠状窦标测段,设有环状的环电极,导管的远端端部设有端电极,导管的近端连接有连接头,端电极、环电极经导线与连接头连接。 Coronary venous mapping catheter of the present invention is provided with a catheter, the distal end of the catheter for mapping the coronary sinus section, an annular ring electrode, the distal end of the catheter is provided with an electrode terminal, is connected to the proximal end of the catheter connector terminal electrode, ring electrode is connected via a wire to the connector. 本发明的制备方法包括制作各零件,组装。 The preparation method included the production of the parts and assembly. 本发明与现有技术相比,导管远端的冠状窦标测段具有弹性,可以伸直,在自由状态为圆弧,冠状窦标测段圆弧段设置环电极、端电极,对流出道的冠状静脉远端进行标测时,可以快速送进,缩短手术时间,圆弧段上的环电极可靠在冠状静脉远端心大静脉开口处的标测,减少消融时明确靶点位置的时间和消融能量,操作方便,可以实现快速、连续的标测。 Compared with the prior art, the distal end of the coronary sinus catheter mapping section having elasticity, may be straight, an arc in the free state, the coronary sinus mapping ring electrodes disposed arcs segment, the terminal electrode of the outflow tract when the distal end of the coronary vein for mapping, fast feed, shorten the operation time, the ring electrodes on the arc segment reliable mapping the coronary venous distal opening of the great cardiac vein, a clear reduction target position when the ablation time and ablation energy, easy to operate, can achieve rapid, continuous mapping.

Description

冠状静脉标测导管及其制备方法 Coronary venous catheter mapping and preparation method

技术领域 FIELD

[0001] 本发明涉及一种医疗介入手术器械及其制备方法,特别是一种用于治疗流出道室性心律失常射频消融术的标测导管及其制备方法。 [0001] The present invention relates to a medical interventional surgical instrument and its preparation method, particularly to a mapping catheter and a preparation method of treating ventricular outflow tract for radiofrequency ablation of arrhythmias.

[0002] 背景资料 [0002] Background Information

[0003] 室性心律失常特别是室性早搏是临床最常见的心律失常。 [0003] ventricular arrhythmias especially premature ventricular contractions are the most common clinical arrhythmia. 长期药物治疗副作用大且疗效欠佳。 Long-term drug treatment side effects and lack of efficacy. 近年来,接受三维标测系统指导下的室性心律失常射频消融治疗的患者越来越多,但手术成功率从50〜90%不等。 In recent years, patients receiving ventricular arrhythmias under the guidance of three-dimensional mapping system radiofrequency ablation of more and more, but the success rate ranging from 50~90%. 手术中能有效、迅速的寻找射频消融的靶点是决定手术成功率的关键。 Surgery can effectively and quickly to find the target for radiofrequency ablation is a key determinant of the success rate of surgery. 对于室性心律失常特别是室性早搏而言,流出道室早室速的发生率高达60%以上,流出道室早位置复杂,涉及到右室流出道、左室流出道、肺动脉瓣上、主动脉窦、冠状静脉及其远端等部位。 For ventricular arrhythmias especially premature ventricular contractions, the incidence of ventricular premature beats VT outflow tract of up to 60%, premature ventricular outflow tract position complex, involving the right ventricular outflow tract, left ventricular outflow tract, the pulmonary valve, aortic sinus, the coronary vein and its distal end and other parts. 现有技术的四极或十极冠状窦标测电极很难置于冠状静脉远端。 Quadrupole or ten coronary sinus electrode mapping electrodes prior art is difficult to put the distal end of the coronary vein. 因此,无法对位于流出道位置的冠状静脉远端进行标测,不方便手术医生需找靶点。 Therefore, the mapping can not be located at the distal end of the coronary vein outflow position, the surgeon need to find a convenient target.

发明内容 SUMMARY

[0004] 本发明的目的是提供一种冠状静脉标测导管及其制备方法,要解决的技术问题是明确靶点的确切位置。 [0004] The object of the present invention is to provide a mapping catheter in the coronary vein and its preparation method, to solve the technical problem of the exact location of the target clear.

[0005] 本发明采用以下技术方案:一种冠状静脉标测导管,所述冠状静脉标测导管设有导管,导管的远端为冠状窦标测段,冠状窦标测段设有环状的环电极,环电极的轴线与导管的轴线同轴,导管的远端端部设有端电极,导管的近端连接有连接头;所述冠状窦标测段在自由状态为曲率半径为70-100mm的圆弧;所述端电极、环电极经导线与连接头的插针电连接。 [0005] The present invention employs the following technical solutions: A coronary venous catheter mapping, the mapping catheter with coronary venous catheter, the distal end of the catheter to the coronary sinus mapping section, the mapping of the coronary sinus with an annular segment ring electrodes, the ring electrode is coaxial with the axis and the axis of the catheter, the distal end of the catheter is provided with an electrode terminal, is connected to the proximal end of the catheter connector; segment mapping the coronary sinus is in the free state radius of curvature of 70 100mm arc; the terminal electrode, ring electrode pins electrically connected via the wires and connector.

[0006] 本发明的环电极是1-20个,所述端电极为柱形,端电极经安全线与导管近端连接。 The ring electrode [0006] of the present invention is 1-20, the cylindrical electrode terminal, the terminal electrode is connected to the safety line via proximal catheter.

[0007] 本发明的导管采用尼龙弹性体,外径为1.40-2.40mm,内径为1.00-2.00mm,长650_1100mm。 Conduit [0007] The present invention employs a nylon elastomer, an outer diameter of 1.40-2.40mm, an inner diameter of 1.00-2.00mm, long 650_1100mm.

[0008] 本发明的端电极采用不锈钢或钼铱合金,外径为1.00-2.40m,长度为l_4mm ;所述环电极采用不锈钢或钼铱合金,外径为1.00-2.40mm,内径为0.80-2.00mm,长l-lOmm。 [0008] The end of the electrode of the present invention, an iridium alloy stainless steel or molybdenum, an outer diameter of 1.00-2.40m, length l_4mm; said ring electrodes made of stainless steel or molybdenum iridium alloy, an outer diameter of 1.00-2.40mm, an inner diameter of 0.80 2.00mm, length l-lOmm.

[0009] 本发明的端电极与环电极、环电极之间的间隔为2mm、5mm、8mm或10mm。 [0009] The ring electrode and the terminal electrode of the present invention, the spacing between the ring electrodes 2mm, 5mm, 8mm or 10mm.

[0010] 本发明的端电极与环电极、环电极之间的间隔均为5mm或10mm。 [0010] The electrode of the present invention and the end of the ring electrode, the spacing between the ring electrodes are 5mm or 10mm.

[0011] 本发明的端电极与环电极、环电极之间的间隔从端电极开始,按2mm、5mm、2mm、2mm、5mm、2mm、...,规律排列,或按2mm、8mm、2mm、2mm、8mm、2mm、...规律排列。 [0011] The ring electrode and the terminal electrode of the present invention, the spacing between the ring electrode from the electrode terminal starts, 2mm, 5mm, 2mm, 2mm, 5mm, 2mm, ... press, arranged regularly, or by 2mm, 8mm, 2mm , 2mm, 8mm, 2mm, ... regular arrangement.

[0012] 本发明的导线为外部带聚氨酯涂层的铜线,铜线直径为0.1-0.5mm。 Copper [0012] The wire of the invention is a polyurethane coating of the outer band, a copper wire having a diameter of 0.1-0.5mm.

[0013] 本发明的安全线由1-20股不锈钢丝绞合而成,不锈钢丝的丝径为0.1-0.5mm。 [0013] The security thread of the present invention is stainless steel wire by twisting together 1-20 shares, stainless steel wire of a wire diameter of 0.1-0.5mm.

[0014] 一种冠状静脉标测导管及其制备方法,包括以下步骤:一、制作导管,采用尼龙弹性体,外径为1.40-2.40mm,内径为1.00-2.00mm,长650_1100mm,在导管的远端冠状窦标测段弯曲成型后钻1-20个小孔;采用柱状端电极,外径为1.00-2.40m,长度为l_4mm ;采用环电极,外径为1.00-2.40mm,内径为0.80-2.00mm,长l-lOmm,环电极的数量为1-20个;制作导线,将铜线直径为0.1-0.5mm,外部带聚氨酯涂层的线650-1100mm,两端剥去聚氨酯涂层,露出铜线0.2cm,得到导线;制作安全线,将1-20股直径为0.1-0.5mm,长度为650-1 10mm的不锈钢丝绞合而成,得到安全线;所述冠状窦标测段的成型模具为丝状,远端为圆弧,曲率半径为70-100mm;将成型模具穿入导管内,室温经20-100秒时间至温度100-300°C,加热时间为100-800秒,冷却时间为100-800秒至室温,从导管上抽出成型模具,得到成型的冠状静脉标测导管的远端 [0014] A mapping catheter in a coronary vein and a preparation method comprising the following steps: First, the production conduit, nylon elastomer, an outer diameter of 1.40-2.40mm, an inner diameter of 1.00-2.00mm, long 650_1100mm, the catheter mapping the coronary sinus distal section bending drilled holes 1-20; end using a columnar electrode, an outer diameter of 1.00-2.40m, length l_4mm; use of ring electrodes, an outer diameter of 1.00-2.40mm, an inner diameter of 0.80 -2.00mm, long-l-lOmm, the number of ring electrodes is 1-20; production wire, copper wire having a diameter of 0.1-0.5mm, 650-1100mm belt line outer polyurethane coating, polyurethane coating stripped ends exposed copper 0.2cm, to give the wire; making a security thread, a strand diameter of 0.1-0.5 mm 1-20, 650-1 10mm length of stainless steel wire twisted together, to give a security thread; mapping the coronary sinus filamentous mold section, the distal end of a circular arc, the radius of curvature of 70-100mm; catheter penetrates the mold, after 20-100 seconds at room temperature to a temperature of 100-300 ° C, the heating time from 100 to 800 seconds, a cooling time of 100-800 seconds to room temperature, the catheter withdrawn from the mold, to obtain the mapping catheter coronary venous shaped distal end 冠状窦标测段;二、分别将每根导线的一端焊接到环电极内,将一根导线、安全线的一端焊接到端电极一端,焊接温度为450°C;将导线另一端分别从小孔中伸进导管,将一根导线、安全线的另一端从导管的远端伸进,将环电极、的端电极装在导管3的远端冠状窦标测段,用尺寸与环电极2外径大小一样的外卡工具将环电极2卡紧固定到冠状窦标测段上,端电极I装配到冠状窦标测段的远端;将导线和安全线从导管近端孔内拉出,将安全线固定栓到导管的近端,将导线的另一端焊接到连接头的插针内,完成冠状静脉标测导管的制作。 Mapping the coronary sinus segment; two, respectively, one end of each wire is welded to the inner ring electrode, a welding wire, one end of the safety line to the edge end of the electrode, welding temperature 450 ° C; the other end of the wire are small a catheter extending into the hole, to a wire, and the other end extending into the security thread from the distal end of the catheter, the ring electrode, an electrode mounted on the catheter distal end of the coronary sinus mapping section 3, with the size of the ring electrode 2 as the size of the outer diameter of the outer ring card tool clamping electrode 2 is fixed to the mapping section of the coronary sinus, the distal end of the electrode fitted to the coronary sinus I mapping section; wire and the proximal end of the safety line drawn from the catheter bore the safety line secured to the proximal end of the catheter plug, the other end of the welding wire connected to the pin head, to complete the production of the coronary vein mapping catheter.

[0015] 本发明与现有技术相比,导管远端的冠状窦标测段具有弹性,可以伸直,在自由状态为圆弧,冠状窦标测段圆弧段设置环电极、端电极,对流出道的冠状静脉远端进行标测时,可以快速送进,缩短手术时间,圆弧段上的环电极可靠在冠状静脉远端心大静脉开口处的标测,减少消融时明确靶点位置的时间和消融能量,操作方便,可以实现快速、连续的标测。 [0015] Compared with the prior art, the distal end of the coronary sinus catheter mapping section having elasticity, may be straight, an arc in the free state, the coronary sinus mapping ring electrodes disposed arcs segment, the terminal electrode, when the distal end of the coronary vein outflow tract mapping is to be fed quickly, shorten the operation time, the ring electrodes on the arc segment reliable mapping the coronary venous distal opening of the great cardiac vein, a clear reduction target ablation time and location of ablation energy, easy to operate, can achieve rapid, continuous mapping.

附图说明 BRIEF DESCRIPTION

[0016] 图1是本发明的冠状静脉标测导管结构示意图。 [0016] FIG. 1 is a schematic view of the mapping catheter coronary vein structures according to the present invention.

[0017] 图2是图1的AA图。 [0017] FIG. 2 is a view AA of FIG. 1.

[0018] 图3是本发明的连接头示意图。 [0018] FIG. 3 is a schematic view of connector according to the present invention.

[0019] 图4是本发明的鞘管示意图。 [0019] FIG. 4 is a schematic view of the sheath of the present invention.

[0020] 图5是本发明的冠状静脉标测导管与鞘管示意图。 [0020] FIG. 5 is a schematic view of the coronary catheter and the mapping of the present invention vein sheath.

[0021] 图6是本发明的冠状静脉标测导管远端冠状窦标测段成型模具图。 [0021] FIG. 6 is a coronary vein mapping catheter according to the present invention, the distal end of the coronary sinus mapping mold section in FIG.

具体实施方式 Detailed ways

[0022] 下面结合附图和实施例对本发明作进一步详细说明。 Drawings and embodiments of the present invention will be further described in detail [0022] below in conjunction. 如图1所示,本发明的冠状静脉标测导管,设有导管3,导管3的远端为冠状窦标测段,冠状窦标测段设有环状的环电极2,环电极2的轴线与导管3的轴线同轴,导管3的远端端部设有柱形的端电极1,端电极I的轴线与导管3的轴线同轴,导管3的近端连接有连接头4。 1, the coronary vein mapping catheter according to the present invention, with the catheter 3, the distal end of the catheter 3 for mapping the coronary sinus segment, segment mapping the coronary sinus of an annular ring electrodes 2, 2 of the ring electrode axis coaxial with the axis 3 of the catheter, the distal end of the catheter 3 is provided with a cylindrical terminal electrodes 1, end electrodes I axis coaxial with the axis 3 of the catheter, the proximal end of conduit 3 is connected to connector 4. 冠状窦标测段具有弹性,可以伸直,在自由状态为曲率半径为70-100mm的一段圆弧。 Mapping of the coronary sinus having a resilient section may be straight, in the free state radius of curvature of a circular arc of 70-100mm.

[0023] 导管3采用高分子材料尼龙弹性体Pebax制成,外径为1.40_2.40mm,内径为 [0023] The conduit 3 with polymer made of a nylon elastomer Pebax, an outer diameter of 1.40_2.40mm, inner diameter

1.00-2.0Omm,长650-1100mm。 1.00-2.0Omm, length 650-1100mm.

[0024] 端电极I采用不锈钢或钼铱合金,外径为1.00-2.40m,长度为l_4mm。 [0024] I a terminal electrode made of stainless steel or molybdenum iridium alloy, an outer diameter of 1.00-2.40m, length l_4mm. 环电极2采用不锈钢或钼铱合金,外径为1.00-2.40mm,内径为0.80-2.00mm,长l-lOmm。 Ring electrodes 2 made of stainless steel or molybdenum iridium alloy, an outer diameter of 1.00-2.40mm, an inner diameter of 0.80-2.00mm, long-l-lOmm. 环电极2的数量为1-20个。 2 is the number of ring electrodes 1-20.

[0025] 端电极I与环电极2的间隔(a)为2mm、5mm、8mm或10mm,环电极2与环电极2的间隔(b)为2mm、5mm、8mm或10mm。 [0025] The spacing (a) a terminal electrode I and the ring electrode 2 is 2mm, 5mm, 8mm or 10mm, ring electrode 2 and the ring electrode spacing (B) 2 is 2mm, 5mm, 8mm or 10mm. 进一步端电极I与环电极2、环电极2之间的间隔均为5mm或10mm,最佳为从端电极I开始,端电极I与环电极2、环电极2之间的间隔按2mm、5mm、2mm、2mm、5mm、2mm、...,规律排列,或按2mm、8mm、2mm、2mm、8mm、2mm、...规律排列。 I electrode 2 and the ring electrode, the spacing between the ring electrodes are further end 5mm or 10mm, most preferably from I to start end of the electrode, the spacing between the ring electrode and the terminal electrode I 2 by 2mm ring electrodes, 5mm , 2mm, 2mm, 5mm, 2mm, ..., arranged regularly, or by 2mm, 8mm, 2mm, 2mm, 8mm, 2mm, ... arranged regularly.

[0026] 端电极I经安全线6和一根导线5与连接头4的插针电连接,环电极2分别经导线5与连接头4的插针电连接,连接头4与多导仪电连接,多导仪通过端电极I和环电极2采集心内活动的电信号。 [0026] I via the terminal electrode 6 and a security thread lead 5 is electrically connected to the connection pin head 4, the ring electrode pin 2 are electrically connected via conductor 5 to the connector 4, the connector 4 is electrically polygraph connection polygraph cardiac electrical activity within 2 collected by the ring electrode and the terminal electrodes I. 导线5用于传递电信号,安全线6用于连接端电极和导管3近端,用于在冠状静脉标测导管受力情况下,防止端电极I从冠状窦标测段脱落。 5 wires for transmitting electrical signals, a security thread and the terminal electrode 6 for connecting the proximal end of the catheter 3 for the coronary venous catheter mapping the forces, to prevent the terminal electrodes from coming off I segment mapping the coronary sinus.

[0027] 如图2所示,导线5为外部带聚氨酯涂层的铜线,铜线直径为0.1-0.5mm。 [0027] As shown in FIG 2, the outer conductor 5 is a copper wire with polyurethane coating, a copper wire having a diameter of 0.1-0.5mm. 安全线6由1-20股不锈钢丝绞合而成,不锈钢丝的丝径为0.1-0.5mm。 6 security thread stainless steel wire by twisting together 1-20 shares, stainless steel wire of a wire diameter of 0.1-0.5mm.

[0028] 如图3所示,连接头4为外购的标准件,连接头4内设有与连接头轴线平行、相互绝缘的插针,插针的数为4-20针。 [0028] As shown in FIG 3, 4 are standard connector purchased, connector 4 is provided parallel to the connector axis, mutually insulated pin, the pin number 4-20 needles.

[0029] 如图5所示,本发明的冠状静脉标测导管使用时放入鞘管内。 As shown in [0029] FIG. 5, the sheath into the coronary vein using a mapping catheter of the present invention. 如图4所示,鞘管设有鞘管管体8,鞘管管体8的近端连接有鲁尔接头7,鲁尔接头7为注塑外购标准件,鞘管管体8采用医用塑料高分子材料尼龙弹性体PebaxjhgS 2.00-2.5mm,内径为1.8-2.3mm,长度为850_1200mm。 4, the sheath is provided with a sheath pipe 8, the proximal end of the sheath pipe 8 is connected to a luer connector 7, 7 luer purchased standard injection molding, the sheath body 8 is made of medical plastic pipe nylon elastomer polymer material PebaxjhgS 2.00-2.5mm, an inner diameter of 1.8-2.3mm, length 850_1200mm.

[0030] 本发明的冠状静脉标测导管的制备方法,包括以下步骤: [0030] Preparation coronary vein mapping catheter according to the present invention, comprising the steps of:

[0031] 一、制作各零件,制作导管3,米用美国Access Point Technologies US公司(www.aptmed.com)的尼龙弹性体Pebax5533 管,外径为1.40-2.40mm,内径为1.00-2.0Omm,长650-1100mm,在导管的远端冠状窦标测段弯曲成型后钻1_20个小孔。 [0031] First, the production of the parts, making conduit 3, with m U.S. Access Point Technologies US Corporation (www.aptmed.com) Pebax5533 nylon elastomer tube, an outer diameter of 1.40-2.40mm, an inner diameter of 1.00-2.0Omm, length 650-1100mm, after mapping the coronary sinus distal section of the catheter bending 1_20 drilled small holes. 采用庄信万丰贸易(深圳)有限公司的柱状端电极1,外径为1.00-2.40m,长度为l_4mm。 Trade using Johnson Matthey (Shenzhen) Co. cylindrical ends of the electrode 1, an outer diameter of 1.00-2.40m, length l_4mm. 采用上海中克金属贸易有限公司的环电极2,外径为1.00-2.40mm,内径为0.80-2.0Omm,长1-10臟,环电极的数量为1-20个。 By Shanghai Co., Ltd. in gram of metal ring electrode 2, an outer diameter of 1.00-2.40mm, an inner diameter of 0.80-2.0Omm, long dirty 1-10, the number of ring electrodes is 1-20. 制作导线5,将美国MWS WIRE INDUSTRIES公司(www.mwswire.com)的铜线直径为0.1-0.5mm,外部带聚氨酯涂层的线650-1100mm,两端剥去聚氨酯涂层,露出铜线0.2cm,得到导线。 Making conductors 5, the U.S. MWS WIRE INDUSTRIES Company (www.mwswire.com) copper wire having a diameter of 0.1-0.5mm, 650-1100mm belt line outer polyurethane coating, polyurethane coating strip ends to expose the copper wire 0.2 cm, to obtain a wire. 制作安全线6,将庄信万丰贸易有限公司的1-20股直径为0.1-0.5mm,长度为650-1 10mm的不锈钢丝绞合而成,得到安全线。 Production of security thread 6, the strand diameter 1-20 Johnson Matthey Ltd. of 0.1-0.5 mm, a length of stainless steel wire 650-1 10mm twisted together to give a security thread.

[0032] 如图6所示,冠状静脉标测导管的远端冠状窦标测段的成型模具为丝状,远端为一段圆弧的弯曲部分,弯曲部分的曲率半径为70-100mm。 [0032] As shown in FIG 6, the distal end of the coronary sinus mold mapping section mapping catheter filamentous coronary vein, distal to the curved portion of the segment of a circle, the radius of curvature of the curved portion is 70-100mm. 冠状静脉标测导管的远端冠状窦标测段的成型工艺为:将成型模具穿入导管内,将导管放置于深圳市鑫双科实业有限公司制造的BS-50型热成型机上,室温经20-100秒时间至热成型的加热温度100-300°C,加热时间为100-800秒,冷却时间为100-800秒至室温,从导管上抽出成型模具,得到成型的冠状静脉标测导管的远端冠状窦标测段。 Molding the distal coronary sinus coronary vein mapping section for mapping catheter: The catheter penetration mold, catheter placed on BS-50 type thermoforming machine Double Branch Shenzhen Xin Industrial Co., Ltd. made at room temperature by 20-100 seconds to thermoforming heating temperature 100-300 ° C, heating time of 100 to 800 seconds, a cooling time of 100-800 seconds to room temperature, extracting the mold from the catheter, mapping catheter coronary venous obtained molded mapping the coronary sinus distal segment. 最佳为250秒时间至温度250°C,加热时间为500秒,冷却时间为500秒。 Best time of 250 seconds to a temperature of 250 ° C, the heating time is 500 seconds, a cooling time of 500 seconds.

[0033] 二、分别将每根导线5的一端焊接到环电极2内,将一根导线5、安全线6的一端通过电阻焊焊接到端电极I 一端,焊接温度为450°C。 [0033] Second, each one end of each wire 5 is welded to the inner ring electrode 2, one end of a wire 5, 6 is welded to the safety line I terminal electrode at one end, the welding temperature of 450 ° C by resistance welding. 将导线5另一端分别从小孔中伸进导管3,将一根导线5、安全线6的另一端从导管3的远端伸进,将已焊接好导线5的环电极2,焊接好导线5、安全线6的端电极I 一起装在导管3的远端冠状窦标测段,用尺寸与环电极2外径大小一样的外卡工具将环电极2卡紧固定到冠状窦标测段上,端电极I装配到冠状窦标测段的远端,端电极I用医疗级胶水来粘接固定到冠状窦标测段的远端上。 The other end of each wire 5 extending into the conduit 3 from the hole, the other end of a conductor 5, 6 projecting into the security thread from the distal end of the catheter 3, which has been soldered wire loop electrode 5 2, good welding wire 5, the terminal electrode 6 of the safety line I with the distal end of the catheter in the coronary sinus mounted mapping section 3, with the outer diameter of the ring electrode 2 as an outer size card tool clamping ring electrode 2 is fixed to the coronary sinus mapping section , the terminal electrodes fitted to the distal end of the coronary sinus I mapping section, a terminal electrode with a medical grade glue to I adhesively secured to the distal segment mapping the coronary sinus. 将导线5和安全线6从导管3近端孔内拉出,将安全线6固定栓到导管3的近端,将导线5的另一端按照预先分配的位置焊接到连接头4的插针内,旋紧连接头4,完成冠状静脉标测导管的制作。 Security thread 5 and the wire 6 is pulled out from the proximal end of the catheter bore 3, the safety pin 6 is fixed to the proximal end of the wire conduit 3, the other end of the wire 5 is welded to the pin 4 of connector according to the position of the pre-allocated , tighten the connector 4, to complete the mapping catheter coronary venous production.

[0034] 医生手术时,将冠状静脉标测导管远端冠状窦标测段从近端穿入鞘管,待冠状窦标测段全部进入鞘管内后,通过鞘管,把冠状静脉标测导管远端冠状窦标测段送至标测预订位置,到达预订位置后,将冠状静脉标测导管远端的冠状窦标测段推出鞘管,在X光下观察到冠状静脉标测导管远端冠状窦标测段释放后为弯曲状态。 After [0034] When the surgeon, mapping the coronary venous catheter distal coronary sinus mapping through the sheath from the proximal tube segment, segment mapping until all the coronary sinus into the sheath, through the sheath, the mapping catheter coronary venous after the distal end of the coronary sinus to the mapping section mapping position reservation, reservation reaches the position, the distal end of the mapping catheter coronary venous coronary sinus Release sheath segment mapping, mapping observed coronary venous catheter at the distal end of the X-ray mapping the coronary sinus is released after the bent state section. 医生握住连接头操作使冠状静脉标测导管的冠状窦标测段与被标测的心肌部位紧密接触,如果电极环不能很好接触到被标测的部位,将连接头旋转一定角度,操纵冠状静脉标测导管使冠状窦标测段发生偏转,达到电极环与心肌被标测的部位紧密接触。 Doctors hold the connector head makes coronary venous coronary sinus catheter mapping section mapping sites are in intimate contact with cardiac mapping, if the ring electrode is not well exposed to the mapping of the site, the connection head is rotated a certain angle, the manipulation coronary venous catheter mapping section mapping the coronary sinus so deflected, to the ring electrode is in intimate contact with the myocardial site mapping. 稳定固定冠状静脉标测导管的冠状窦标测段。 Coronary venous stably fixed mapping catheters segment mapping the coronary sinus. 为了准确的确定标测点位置,进行标测前,可以先对心内部位进行局部造影,待能准确判定标测位置后,把冠状静脉标测导管的连接头通过通用的电连接线连接至多导仪,进行标测。 In order to accurately determine the mapping position before for mapping, can first internal bit heart local contrast, to be able to accurately determine the mapping location, the coronary venous mapping catheters connector connected by a common electrical connection line up conductivity meter, for mapping.

[0035] 实施例1:离体试验,采用新鲜牛肉一块,尺寸200 X 200 X 100mm,本发明的冠状静脉标测导管一根,端电极直径为2mm,每个标测的环电极长度为1mm,环电极数量9个,从远端开始,端电极与环电极、环电极之间的间隔依次为2mm、8mm、2mm、8mm、2mm、8mm、2mm、8mm、2mm,多导仪为现有技术的多道生理记录仪。 [0035] Example 1: In vitro tests, using a fresh beef, dimensions 200 X 200 X 100mm, coronary venous mapping catheter of the invention a terminal electrode having a diameter of 2mm, the length of each ring electrode for mapping 1mm , the number of ring electrodes 9, beginning from the distal end electrodes and the ring electrode, the spacing between the ring electrodes were 2mm, 8mm, 2mm, 8mm, 2mm, 8mm, 2mm, 8mm, 2mm, a conventional polygraph polygraph recorder technology. 试验分两个过程,第一个过程为9个环电极逐一标测。 Test two processes, the first process is a ring electrode 9 one by one mapping. 冠状静脉标测导管远端冠状窦标测段插入牛肉后,操纵连接头,使冠状静脉标测导管远端的冠状窦标测段呈自由释放状态,让冠状窦标测段上的环电极与牛肉紧密接触。 Coronary venous catheter distal mapping section mapping the coronary sinus after insertion beef actuating connector, so that the distal end of the mapping catheter coronary venous coronary sinus mapping segments in a free state is released, so that the ring electrodes on the mapping section and the coronary sinus close contact with the beef. 将9个电极的导线和I个端电极接在多导仪上,设定多导仪为逐一标测,试验过程中,每一电极标测正常,正常值为60〜10bpm之间,均在范围内。 The wire electrodes 9 and the I terminal electrodes connected to the polygraph, polygraph is set by one mapping, during the test, the normal mapping each electrode, between normal 60~10bpm, were range. 第二个过程为双极标测,即端电极与第一个环电极、第二个环电极与第三个环电极、第四个环电极与第五个环电极、第六个环电极与第七个环电极、第八个环电极与第九个环电极之间的双极标测。 The second is a bipolar mapping process, i.e., a ring electrode and end electrodes, a second ring electrode and the third ring electrode, a fourth electrode and a fifth ring-ring electrodes, and the sixth ring electrodes seventh ring electrodes, bipolar mapping between the eighth and ninth ring electrode ring electrodes. 冠状静脉标测导管远端冠状窦标测段插入牛肉后,操纵连接头,使冠状静脉标测导管远端的冠状窦标测段呈自由释放状态,让冠状窦标测段上的环电极与牛肉紧密接触。 Coronary venous catheter distal mapping section mapping the coronary sinus after insertion beef actuating connector, so that the distal end of the mapping catheter coronary venous coronary sinus mapping segments in a free state is released, so that the ring electrodes on the mapping section and the coronary sinus close contact with the beef. 试验过程中,每两极电极标测正常,正常值为60〜10bpm之间,均在范围内。 During the test, each bipolar electrode normal mapping, between normal 60~10bpm, are within the scope.

[0036] 实施例2:狗活体,健康的公狗,体重20公斤以上,年龄2岁。 [0036] Example 2: Dog living, healthy male dogs, weighing more than 20 kg, aged 2 years old. 本发明的冠状静脉标测导管一根,远端冠状窦标测段的外径为1.3mm,每个环电极长度为1mm,电极数量9个,端电极的长度为2mm,外径为1.2mm,从远端开始,端电极与环电极、环电极之间的间隔依次为2mm、8mm、2mm、8mm、2mm、8mm、2mm、8mm、2mm。 Coronary venous mapping catheter of the invention an outer diameter of the distal coronary sinus mapping section is 1.3mm, the length of each ring electrode 1mm, the number of electrodes 9, the length of the end electrodes of 2mm, an outer diameter of 1.2mm , beginning from the distal end electrodes and the ring electrode, the spacing between the ring electrodes were 2mm, 8mm, 2mm, 8mm, 2mm, 8mm, 2mm, 8mm, 2mm. 将本发明的冠状静脉标测导管的冠状窦标测段经鞘管送入冠状静脉,同时进行造影明确冠状静脉的分支,在西门子DSAX射线监视下,操作者推送连接头,使冠状静脉标测导管发生弯曲,远端被送至冠状静脉远端心大静脉开口处,再向远端推送冠状静脉标测导管,将其远端冠状窦标测段推出,推动连接头,使冠状窦标测段发生偏转,到达冠状静脉远端心大静脉开口处。 Mapping the coronary sinus segment coronary vein mapping catheter according to the invention into the sheath through the coronary vein, at the same time a clear contrast coronary vein branches, in the Siemens DSAX ray monitoring, the operator push connectors, so coronary vein mapping bent conduit, is supplied to the distal end of the great cardiac vein coronary vein distal opening, the distal end of the push again mapping coronary venous catheter to its distal end segment Release mapping the coronary sinus, push connectors, so mapping the coronary sinus segment deflects arriving distal great cardiac vein coronary venous openings. 操作者握住连接头,控制冠状静脉标测导管整体向远端推进,使冠状静脉标测导管的冠状窦标测段上的环电极紧密贴靠冠状静脉远端心大静脉开口处,电连接线连接至多导仪,对流出道的冠状静脉远端进行标测。 Operator holds the connectors, controls the entire coronary venous mapping catheter is advanced distally so that the ring electrodes on the mapping section of the coronary sinus mapping catheter tightly against coronary vein coronary vein distal great cardiac vein openings, electrically connected conductivity meter connected to the multi-line, the distal end of the coronary vein outflow channel mapping is performed. 从远端开始,每一极的值为82bpm、88bpm、77bpm、89bpm、75bpm、84bpm、80bpm、94bpm、78bpm、90bpm,此值均在正常范围内。 Beginning from the distal end of each electrode is 82bpm, 88bpm, 77bpm, 89bpm, 75bpm, 84bpm, 80bpm, 94bpm, 78bpm, 90bpm, this value was within the normal range. 由此可见,本发明的冠状静脉标测导管的标测满足要求。 Thus, mapping the coronary venous catheters mapping to meet the requirements of the present invention.

[0037] 实施例1和实施例2均在半小时以内完成。 [0037] Example 1 and Example 2 were completed within half an hour. 采用本发明的冠状静脉标测导管对流出道的冠状静脉远端进行标测,能大大缩短手术时间,可靠在冠状静脉远端心大静脉开口处的标测,减少消融时明确靶点位置的时间和消融能量,操作方便,实现了快速、连续的环形标测。 Using the target position when the clear coronary venous catheter of the present invention, the mapping of the coronary vein outflow tract distal mapping is performed, can greatly shorten the operation time, reliable mapping the coronary venous distal opening of the great cardiac vein, the ablation reduced ablation energy and time, easy to operate to achieve a rapid, continuous annular mapping.

Claims (1)

  1. 1.一种冠状静脉标测导管的制备方法,包括以下步骤:一、制作导管,采用尼龙弹性体,外径为1.40-2.40mm,内径为1.00-2.00mm,长650_1100mm,在导管的远端冠状窦标测段弯曲成型后钻1_20个小孔;米用柱状端电极,外径为1.00-2.40mm,长度为l_4mm ;米用环电极,外径为1.00-2.40mm,内径为0.80-2.00mm,长l-lOmm,环电极的数量为1-20个;制作导线,将铜线直径为0.1-0.5mm,外部带聚氨酯涂层的线650-1100mm,两端剥去聚氨酯涂层,露出铜线0.2cm,得到导线;制作安全线,将1-20股直径为0.1-0.5mm,长度为650-1 10mm的不锈钢丝绞合而成,得到安全线;所述冠状窦标测段的成型模具为丝状,远端为圆弧,曲率半径为70-100mm;将成型模具穿入导管内,室温经20-100秒时间至温度100-300°C,加热时间为100-800秒,冷却时间为100-800秒至室温,从导管上抽出成型模具,得到成型的冠状静脉标测导管的远端冠状 1. A method for preparing a coronary vein mapping catheter, comprising the following steps: First, the production conduit, nylon elastomer, an outer diameter of 1.40-2.40mm, an inner diameter of 1.00-2.00mm, long 650_1100mm, the distal end of the catheter mapping the coronary sinus bending section 1_20 drilled small holes; m with columnar electrode terminal, an outer diameter of 1.00-2.40mm, length l_4mm; m with ring electrodes, an outer diameter of 1.00-2.40mm, an inner diameter of 0.80 to 2.00 mm, length l-lOmm, the number of ring electrodes is 1-20; production wire, copper wire having a diameter of 0.1-0.5 mm, with the outer polyurethane coating line 650-1100mm, stripped ends polyurethane coating, is exposed copper 0.2cm, to give the wire; making a security thread, a strand diameter of 0.1-0.5 mm 1-20, 650-1 10mm length of stainless steel wire twisted together, to give a security thread; mapping the coronary sinus segment filamentous mold, the distal end of a circular arc, the radius of curvature of 70-100mm; catheter penetrates the mold, after 20-100 seconds at room temperature to a temperature of 100-300 ° C, heating time of 100 to 800 seconds, cooling time from 100 to 800 seconds to room temperature, the catheter withdrawn from the mold, to obtain the mapping catheter coronary venous shaped distal coronal 标测段;二、将导线中的其中一根导线以及安全线的一端焊接到端电极一端,焊接温度为450°C ;将一端焊接到端电极的这一根导线以及安全线的另一端从导管的远端伸进;将其余的导线的一端焊接到环电极内,将其余的导线的另一端分别从小孔中伸进导管;将环电极、端电极装在导管(3)的远端冠状窦标测段,用尺寸与环电极(2)外径大小一样的外卡工具将环电极(2)卡紧固定到冠状窦标测段上,端电极(I)装配到冠状窦标测段的远端;将所有的导线和安全线从导管近端孔内拉出,将安全线固定栓到导管的近端,将所有的导线的另一端焊接到连接头的插针内,完成冠状静脉标测导管的制作。 Mapping section; two, the conductor wire, and wherein one end of a safety line is welded to the end of the electrode terminal, the soldering temperature is 450 ° C; welded end to end to which an end of the wire electrode and the security thread from extending into the distal end of the catheter; end of the welding wire into the rest of the ring electrodes, the other end of each wire extending into the rest of the catheter out of the hole; ring electrode mounted at the distal end of the electrode catheter (3) mapping the coronary sinus segment, with the size of the ring electrode (2) is the same as the outer size of the outer diameter of the ring electrode card means (2) is secured to clamp the coronary sinus mapping section, a terminal electrode (I) into the coronary sinus mapping assembly a distal segment; all wires drawn out from the catheter and the proximal end of the safety wire hole, the safety bolt is fixed to the proximal end of the catheter line, the other end of all the welding wire into the connector pin to complete coronal intravenous catheters prepared mapping.
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