CN102551705B - Auricular tachycardia mapping catheter and preparation method thereof - Google Patents

Auricular tachycardia mapping catheter and preparation method thereof Download PDF

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CN102551705B
CN102551705B CN 201210017020 CN201210017020A CN102551705B CN 102551705 B CN102551705 B CN 102551705B CN 201210017020 CN201210017020 CN 201210017020 CN 201210017020 A CN201210017020 A CN 201210017020A CN 102551705 B CN102551705 B CN 102551705B
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auricular
tachycardia
method
mapping
catheter
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CN 201210017020
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CN102551705A (en )
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赖珩莉
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赖珩莉
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Abstract

本发明公开了一种房性心动过速标测导管及其制备方法,要解决的技术问题是快速明确靶点的确切位置。 The present invention discloses an atrial tachycardia mapping catheter and a preparation method, the technical problem to be solved is to quickly ascertain the exact target position. 本发明的房性心动过速标测导管,设有导管,所述导管的近端连接有连接头,导管的远端为直线段的前端管与圆弧段,前端管上套置有环电极,圆弧段上套置有环电极,圆弧段端部连接有端电极;所述环电极、端电极经导线与连接头的插针电连接。 Atrial tachycardia mapping catheter according to the present invention, with a catheter proximal end connector connected to the distal end of the catheter tube and the front end of the arc segment of straight line segments, there is sleeved on the pipe end ring electrode , a cycloalkyl sleeved electrode, the arc end sections are connected to the terminal electrodes of a circular arc segment; said ring electrode, an electrode terminal electrically connected via wires and pins connected to the head. 本发明的制备方法包括零件制作和组装。 Preparation process of the invention comprises the production and assembly of parts. 本发明与现有技术相比,导管的远端为直线段的前端管与圆弧段,前端管上套置有环电极,圆弧段上套置有环电极,圆弧段端部连接有端电极,圆弧段为冠状窦标测段,前端管标测上腔静脉及右房,简化标测过程,使得整个手术过程中更加安全有效。 Compared with the prior art, the distal end of the catheter tube and the front end of the arc segment of straight line segments, there is sleeved on the front end of the ring electrode tube, sleeved on the circular arc segment with a ring electrode, connected to an end circular segments terminal electrodes, the arc segment of the coronary sinus mapping section, the pipe end mapping the superior vena cava and right atrium, to simplify the mapping process, so that the entire surgical procedure more safe and effective.

Description

房性心动过速标测导管及其制备方法 Atrial tachycardia mapping catheter and preparation method

技术领域 FIELD

[0001] 本发明涉及一种介入治疗的医疗器械及其制备方法,特别是一种用于房性心律失常射频消融时标测消融靶点的导管及其制备方法。 [0001] The present invention relates to medical devices and their method of preparation of intervention, in particular a catheter and a preparation method for radiofrequency ablation of atrial arrhythmia mapping and ablating target time.

[0002] 背景资料 [0002] Background Information

[0003] 越来越多的患者接受房颤射频消融的手术,而持续性房颤患者和房颤射频消融术后房速、房扑的射频消融仍然是射频消融治疗的难点。 [0003] More and more patients who received radiofrequency ablation of atrial fibrillation surgery, while patients with persistent atrial fibrillation and atrial tachycardia after radiofrequency ablation of atrial fibrillation, atrial flutter radiofrequency ablation is still radiofrequency ablation of difficulty. 房性心动过速发作时可能涉及到上腔静脉、心耳、冠状静脉窦、左右心房部位,因此能同时标测上腔静脉、高位右房、冠状窦近端及左房后下壁,以方便医生尽快明确房速的发生机制并找到病灶位点。 Atrial tachycardia may involve attack of the superior vena cava, atrial appendage, coronary sinus, right and left atrial site, it is possible to simultaneously lower wall after mapping vena cava, high right atrium, coronary sinus and the proximal end of the left atrium, to facilitate doctors clear as soon as possible mechanisms of atrial tachycardia and to find the lesion site. 采用现有技术中的标测导管,需要逐个部位进行标测寻找靶点,花费的时间较长。 Mapping catheter using prior art, the need for individually mapping to find the target site, take a long time.

发明内容 SUMMARY

[0004] 本发明的目的是提供一种房性心动过速标测导管及其制备方法,要解决的技术问题是快速明确靶点的确切位置。 [0004] The object of the present invention is to provide an atrial tachycardia mapping catheter and its method of preparation, the technical problem to be solved is to quickly ascertain the exact target position.

[0005] 本发明采用以下技术方案:一种房性心动过速标测导管,设有导管,所述导管的近端连接有连接头,导管的远端为直线段的前端管与圆弧段,前端管上套置有环电极,圆弧段上套置有环电极,圆弧段端部连接有端电极;所述环电极、端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 atrial tachycardia mapping catheter with a catheter proximal end connector connected to the distal end of the catheter tube and the front end of the arc segment of straight line segments , the sleeve distal end with a loop counter electrode, the arc segment is sleeved with a ring electrode, the arc segment terminal electrode connected to an end; said ring electrode, an electrode terminal electrically connected via wires and pins connected to the head.

[0006] 本发明的导管的近端连接有手柄,手柄的近端端部连接连接头。 The proximal end of the catheter [0006] the present invention is connected to a handle connected to the proximal end of the connector.

[0007] 本发明的端电极经弹性线与手柄连接。 Elasticized side electrode line with the handle [0007] The present invention is connected.

[0008] 本发明的圆弧段为管状`的双腔管,双腔管的外径为2.0-2.8mm,长为50_100mm,由同轴的两个管套置构成,双腔管具有弹性,自由状态为圆弧状,圆弧的曲率半径为7-100_。 [0008] The present invention is a circular segment of the tubular `double lumen, dual lumen tube is the outer diameter of 2.0-2.8mm, length 50_100mm, consists of two concentric tubes sleeved, double-lumen tube having elasticity, free state arc shape, the radius of curvature of the arc is 7-100_.

[0009] 本发明的导线设置在双腔管的内管与外管之间,弹性线设置在双腔管的内管内。 [0009] The wire of the invention is disposed between the inner tube and the outer tube of the double lumen tube, elastic threads disposed within the inner tube lumen tube.

[0010] 本发明的前端管的外径为1.40-2.40mm,内径为1.00-2.0Omm,长10-100mm。 [0010] The outer diameter of the distal end of the tube of the present invention is 1.40-2.40mm, an inner diameter of 1.00-2.0Omm, long 10-100mm.

[0011] 本发明的导管的外径为1.40-2.40mm,内径为1.00-2.0Omm,长650-1 IOOmm ;所述导管、前端管和双腔管制成为一体。 [0011] The outer diameter of the catheter of the present invention is 1.40-2.40mm, an inner diameter of 1.00-2.0Omm, 650-1 IOOmm long; the catheter, and the distal dual lumen tube integrated control.

[0012] 本发明的双腔管装有1-10个环状的环电极,环电极的外径为1.40-2.40mm,内径为1.00-2.0Omm,长1-1Omm ;所述双腔管的远端端部装有端电极,端电极外径为 [0012] The present invention is a double lumen tube with 1-10 annular ring electrode, the ring electrode is an outer diameter of 1.40-2.40mm, an inner diameter of 1.00-2.0Omm, long 1-1Omm; of the dual lumen tube distal end portion provided with an electrode terminal, an outer diameter of the terminal electrode

1.40-2.40m,长度为l-4mm ;所述端电极与环电极、环电极之间的间隔为3mm、4mm、5mm、6mm或10mm,或从近端至远端按2mm、8mm、2mm、…,或2mm、5mm、2mm、…的规律排列;所述前端管装有个1-10个环电极,环电极的外径为1.40-2.40mm,内径为1.00-2.00mm,长l-lOmm,环电极之间的间隔为3mm、4mm、5mm、6mm或10mm,或从近端至远端按2mm、8mm、2mm、…或2mm、5mm、2mm、…的规律排列;所述双腔管的最近端环电极与前端管的最远端环电极之间的间隔为10-200mm。 1.40-2.40m, a length of l-4mm; ring electrode and said end electrode, the spacing between the ring electrodes is 3mm, 4mm, 5mm, 6mm, or 10mm, or from the proximal end to the distal end by 2mm, 8mm, 2mm, ..., or 2mm, 5mm, 2mm, ... of the regular arrangement; the front end of a tube containing 1-10 ring electrodes, an outer diameter of the ring electrodes 1.40-2.40mm, an inner diameter of 1.00-2.00mm, long-l-lOmm , the spacing between the ring electrodes is 3mm, 4mm, 5mm, 6mm, or 10mm, or from the proximal end to the distal end by 2mm, 8mm, 2mm, ..., or 2mm, 5mm, 2mm, ... of the regular arrangement; the double lumen tubing the most recent ring electrode and the distal end of the distal tube of a spacing between the electrodes is 10-200mm.

[0013] 本发明的手柄设有手柄壳,手柄壳内设有活动杆,活动杆伸出手柄壳的远端,与锁紧件螺纹连接,活动杆中部和近端端部的周缘开有密封槽,密封槽内设有密封圈;活动杆的中部开有长度尺寸方向与活动杆轴线一致的长槽,长槽内设有轴线与活动杆轴线垂直的柱状活动件,活动件可在长槽内沿活动杆轴向移动;活动杆的近端、手柄壳内设有圆柱状的内芯,内芯中部、与内芯轴线垂直装有固定柱。 [0013] The present invention is provided with a grip handle housing, the handle housing provided with a movable rod, the movable rod projecting distal end of the handle housing, a threaded connection with the locking member, the peripheral edge of the central movable rod and the proximal end of the seal is opened groove, a sealing ring seal groove; are opened in the middle of the active lever and the active lever length direction of the axis of the same slot length, a long cylindrical movable member is provided with slots perpendicular to the axis of the movable rod axis, the movable member can be elongated slot the movable rod to move axially along; proximally lever handle shell with a cylindrical inner core, the central core, the inner core with the vertical axis of mounting post.

[0014] 一种房性心动过速标测导管的制备方法,包括以下步骤:一、制备各零件,制作导管,采用尼龙弹性体Pebax5533管,外径为1.40-2.40mm,内径为1.00-2.00mm,长650-1100mm的导管,在导管的远端冠状窦标测段弯曲成型后钻1_10个小孔,小孔间隔为等间隔3mm、4mm、5mm、6mm 或10mm,或从近端至远端按2mm、8mm、2mm、...,或2mm、5mm、2mm、…的规律排列,在冠状窦标测段最近端的小孔距离10-200mm处,开始钻1-10个小孔,小孔间隔为等间隔3mm、4mm、5mm、6mm或IOmm,或从近端至远端按2mm、8mm、2mm、…,或2mm、5mm、2mm、…规律排列;端电极采用不锈钢或钼铱合金,外径为1.40-2.40mm,长度为l-4mm ;环电极采用不锈钢或钼铱合金,外径为L 40-2.40mm,内径为L 00-2.00臟,长1-lOmm,环电极的数量为2-20个;制作导线,将的铜线直径为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 [0014] A method for preparing atrial tachycardia mapping catheters, comprising the steps of: a preparation of the parts, making the catheter, Pebax5533 nylon elastomer tube, an outer diameter of 1.40-2.40mm, an inner diameter of 1.00-2.00 mm, length 650-1100mm catheter, the distal end of the catheter in the coronary sinus mapping section bending 1_10 drilled holes, 3mm holes spaced at equal intervals, 4mm, 5mm, 6mm, or 10mm, or from the proximal end to the distal arranged regularly side by 2mm, 8mm, 2mm, ..., or 2mm, 5mm, 2mm, ..., and the orifice of the coronary sinus at a distance of 10-200mm mapping the most proximal segment, beginning 1-10 drilled holes, small 3mm 2mm holes spaced at equal intervals, 4mm, 5mm, 6mm or IOmm, from proximal to distal, or by 2mm, 8mm, 2mm, ..., or, 5mm, 2mm, ... arranged regularly; terminal electrodes made of stainless steel or molybdenum iridium alloy , an outer diameter of 1.40-2.40mm, a length of l-4mm; ring electrodes made of stainless steel or molybdenum iridium alloy, an outer diameter of L 40-2.40mm, L 00-2.00 dirty inner diameter, length 1-lOmm, the number of ring electrodes 2-20; production of wire, the copper wire having a diameter of 0.1-0.5mm, 650-1100mm belt line outer polyurethane coating, polyurethane coating both ends of the strip, is exposed 线0.2cm,得到导线;弹性线采用直径为 Line 0.2cm, to give the wire; elastic wire with a diameter of

0.20-0.40mm,长度为650-1 IOOmm的镍钛线。 0.20-0.40mm, 650-1 IOOmm length of nitinol wire. 手柄壳、锁紧件、活动杆、内芯材料为聚甲醛树月旨,按现有技术注塑得到,活动件材料为不锈钢,按现有技术加工得到,固定柱为铝合金,按现有技术加工得到,密封圈采用外径为0.5mm,厚度为0.1mm的娃橡胶密封圈;所述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70-100_,将成型模具穿入导管内,将导管在20-100秒时间至加热温度为100-300°C,加热时间为100-800秒,冷却时间为100-800秒,从导管上抽出成型模具;二、将每根导线的一端分别焊接到端电极一端和环电极内,并把弹性线的一端焊接到端电极一端,将导线另一端分别从小孔中伸进导管,将连接端电极的一根导线、弹性线的另一端从导管的远端伸进导管,将焊接有导线的环电极套置在远端标测导管上,将焊接有导线、弹性线的端电极装在远端标测导管端部 Handle housing, the locking member, the movable rod, the core material is a polyoxymethylene tree months purpose, according to the prior art injection molding to obtain, the movable member made of stainless steel, obtained according to the prior art process, an aluminum alloy is fixed to the column, according to the prior art processed to give, seal with an outer diameter of 0.5mm, a thickness of 0.1mm baby rubber seal; mold mapping the coronary sinus filamentary segments, curved distal portion of a circular arc, the curvature of the curved portion 70-100_ radius of the mold penetrate the inner catheter, the catheter is heated to a temperature of 100-300 ° C in 20 to 100 seconds of time, heating time of 100 to 800 seconds, cooling time of 100 to 800 seconds, from the catheter extracting the mold; two, one end of each wire is welded to the inner end of the ring electrode and the end of the electrode, and welding the end of the elastic cord to the end of the electrode terminal, the other end of each wire extending into the conduit from the hole, the a wire connected to the electrode terminal, the other end of the elastic threads extend into the catheter from the distal end of the catheter, the ring electrode is welded wire sleeved on the distal end of the mapping catheter, wire welded to the end electrodes mounted elastic threads mapping catheter at the distal end ;将两个密封8分别装入活动杆两个的密封槽内,将导线、弹性线另一端从导管近端拉出;将内芯装入手柄壳中,将固定柱装配在手柄壳的第二小孔与内芯的盲孔中,将弹性线和导线分别穿过活动杆,弹性线另一端固定在固定柱上,将活动杆插入手柄壳中,将活动件旋入活动杆的孔,并伸进长槽中,将锁紧件旋在活动杆远端端部;将连接头插入手柄壳近端的孔内,导线分别焊接连接到连接头的插针内,完成房性心动过速标测导管的制作。 ; Seal the two active lever 8 respectively, into two seal grooves in the wire, the other end of the elastic cord is pulled out from the proximal end of the catheter; inner core shell loaded handle, the fixing of the handle post fitted shell two blind holes of the inner core, the elastic wires and conductors pass through the movable rod, the other end of the elastic cord in a fixed pillar, the movable rod into the handle housing, the movable member is movable rod screwed into the hole, and extending into the long groove, the locking portion is threaded at the distal end of the movable rod; the connector into the hole in the proximal end of the handle housing, the wires are soldered to the connection pin head, complete atrial tachycardia mapping catheter made.

[0015] 本发明与现有技术相比,导管的远端为直线段的前端管与圆弧段,前端管上套置有环电极,圆弧段上套置有环电极,圆弧段端部连接有端电极,圆弧段为冠状窦标测段,前端管标测上腔静脉及右房,简化标测过程,使得整个手术过程中更加安全有效。 [0015] Compared with the prior art, the distal end of the catheter tube and the front end of the arc segment of straight line segments, is sleeved on the front end with a ring electrode tube, sleeved on the circular arc segment with a ring electrode, the arc end section is connected to terminal electrode portion, the circular arc segment of the coronary sinus mapping section, the pipe end mapping the superior vena cava and right atrium, to simplify the mapping process, so that the entire surgical procedure more safe and effective.

附图说明 BRIEF DESCRIPTION

[0016] 图1是本发明的房性心动过速标测导管结构示意图。 [0016] FIG. 1 is a schematic diagram of atrial tachycardia mapping the conduit structure according to the present invention.

[0017] 图2是图1的AA剖面图。 [0017] FIG. 2 is an AA sectional view of FIG. 1.

[0018] 图3是本发明的手柄结构示意图。 [0018] FIG. 3 is a schematic view of the handle structure of the present invention.

[0019] 图4是本发明的手柄壳结构示意图。 [0019] FIG. 4 is a schematic view of the handle shell structure of the present invention.

[0020] 图5是本发明的锁紧件结构示意图。 [0020] FIG. 5 is a schematic view of a locking element structure of the present invention.

[0021] 图6是本发明的活动杆结构示意图。 [0021] FIG. 6 is a schematic view of the active lever structure of the present invention.

[0022] 图7是图6的B部放大图。 [0022] FIG. 7 is an enlarged view of portion B in FIG. 6.

[0023] 图8是本发明的内芯结构示意图。 [0023] FIG. 8 is a schematic view of the core structure of the present invention. [0024] 图9是图8的右视图。 [0024] FIG. 9 is a right side view of FIG.

[0025] 图10是本发明的固定柱结构示意图。 [0025] FIG. 10 is a schematic view of a fixed column structure of the present invention.

[0026] 图11为本发明的活动件结构示意图。 [0026] FIG. 11 is a schematic structural diagram of the present invention, the movable member.

[0027] 图12是本发明的连接头结构示意图。 [0027] FIG. 12 is a schematic view of the connection head structure of the present invention.

[0028] 图13是本发明的远端冠状窦标测段模具图。 [0028] FIG. 13 is a mapping of the coronary sinus distal mold section view of the invention.

具体实施方式 detailed description

[0029] 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 [0029] below in conjunction. 如图1所示,本发明的房性心动过速标测导管,设有导管5,导管5的近端连接有手柄16,手柄16的近端端部连接有连接头13,导管5的远端为标测导管。 1, atrial tachycardia mapping catheter according to the present invention, with the catheter 5, the conduit 5 is connected to the proximal end of handle 16, the proximal end of the handle 16 is connected to distal connector 13, the conduit 5 end is a mapping catheter. 标测导管由直线段与圆弧段连接构成,圆弧段位于导管的远端端部。 Mapping catheter is connected by a line segment constituting the arc segment, circular segment at the distal end of the catheter. 直线段为管状的前端管4,前端管4上套置有环状的环电极I。 Straight tubular section 4 of the pipe end, the pipe end 4 on the sleeve counter electrode has an annular ring I. 圆弧段为管状的双腔管3,双腔管3上套置有环状的环电极1,远端端部连接有圆柱状的端电极2。 Arc segment is tubular double lumen 3, double lumen sleeved annular ring electrodes 31 on the distal end portion is connected to the end of the cylindrical electrode 2. 直线段用于标测上腔静脉及右房。 Straight line segment for mapping the superior vena cava and right atrium. 圆弧段为冠状窦标测段,用于标测冠状窦。 Arc segment of the coronary sinus mapping section for mapping the coronary sinus.

[0030] 双腔管3的外径为2.0-2.8mm,展开长为50_100mm,由同轴的两个管套置构成,内管的内径为0.2mm-0.8mm,外管的内径为0.5mm-1.2mm。 An outer diameter of [0030] 3 double lumen tube is 2.0-2.8mm, expanded length 50_100mm, consists of two concentric sleeve opposing the inner diameter of the inner tube is 0.2mm-0.8mm, the inner diameter of the outer tube is 0.5mm -1.2mm. 双腔管3具有弹性,可以伸直,自由状态为圆弧状,圆弧的曲率半径为7-100mm。 3 double lumen tube having elasticity, may be straight, free state arc shape, the radius of curvature of the arc is 7-100mm.

[0031] 双腔管3的外部套置装有1-10个环状的环电极1,环电极I的轴线与双腔管3轴线同轴。 [0031] The double lumen external electrode 3 facing collar with an annular 1-10, the axis of the ring electrodes I dual lumen coaxial tube 3 axis. 环电极I的外径为1.40-2.40mm,内径为1.00-2.0Omm,长l-lOmm。 Outer ring electrode I is 1.40-2.40mm, an inner diameter of 1.00-2.0Omm, long-l-lOmm. 双腔管3的远端端部装有柱状的端电极2,端电极2外径为1.40-2.40m,长度为l_4mm。 Double lumen portion of the distal end of the electrode 3 with cylindrical end 2, an outer diameter of the terminal electrode 2 1.40-2.40m, length l_4mm. 端电极2与环电极1、环电极I之间的间隔为等间隔3mm、4mm、5mm、6mm或10mm,或从近端至远端按2mm、8mm、2mm、...,或2mm、5mm、2mm、…的规律`排列。 End of the electrode 2 and the ring electrode 1, an equal spacing between the ring electrodes spaced I 3mm, 4mm, 5mm, 6mm, or 10mm, or from the proximal end to the distal end by 2mm, 8mm, 2mm, ..., or 2mm, 5mm , 2mm, ... `law arrangement. 端电极2和环电极I采用不锈钢或者钼铱合金。 The ring electrode and the terminal electrode 2 I stainless steel or molybdenum iridium alloy.

[0032]前端管 4 的外径为1.40-2.40mm,内径为1.00-2.0Omm,长10-100_。 An outer diameter of [0032] the pipe end 4 is 1.40-2.40mm, an inner diameter of 1.00-2.0Omm, long 10-100_.

[0033] 前端管4的外部套置装有个1-10个环状的环电极1,环电极I的轴线与前端管4轴线同轴。 Ring electrodes [0033] the outer jacket facing the pipe end 4 with a 1-10 cyclic 1, coaxial with the axis 4 and the axis of the pipe end I of the ring electrode. 环电极I的外径为1.40-2.40mm,内径为1.00-2.00mm,长1-lOmm,环电极I之间的间隔为等间隔3mm、4mm、5mm、6mm或10mm,或从近端至远端按2mm、8mm、2mm、…或2mm、5mm、2mm、…的规律排列。 Outer ring electrode I is 1.40-2.40mm, an inner diameter of 1.00-2.00mm, length 1-lOmm, the spacing between the ring electrodes I equal intervals 3mm, 4mm, 5mm, 6mm, or 10mm, or from the proximal end to the distal end by 2mm, 8mm, 2mm, ..., or 2mm, 5mm, 2mm, ... of the regular arrangement.

[0034] 双腔管3的最近端环电极I与前端管4的最远端环电极I之间的间隔X为10_200mm。 [0034] 3 double lumen distal end of the most recent I ring electrode 4 and the pipe end between the ring electrode interval X I is 10_200mm.

[0035]导管 5 的外径为1.40-2.40mm,内径为1.00-2.00_,长650-1100_。 Outside diameter [0035] The duct 5 is 1.40-2.40mm, 1.00-2.00_ inner diameter, length 650-1100_.

[0036] 导管5、前端管4和双腔管3采用医用塑料高分子材料尼龙弹性体Pebax制成为一体。 [0036] The duct 5, the pipe end 4 and the double lumen 3 made of medical polymer plastic elastomer Pebax nylon made in one piece. 连接头13为外购标准件。 13 is a purchased standard connector parts.

[0037] 环电极I内分别焊接连接导线14的一端,端电极2—端分别焊接连接一根导线14的一端和弹性线15的一端,导线14的另一端分别焊接连接在连接头13的插针上,弹性线15的另一端连接到手柄16上。 [0037] I within the ring electrodes are welded to one end of the connecting line 14, the terminal electrodes 2- ends are welded end connected to one end of a lead wire 14 and the elastic 15, the other end of the wire 14 are respectively connected to the welding head 13 inserted in the connector the needle, the other end of the elastic cord 15 is connected to the handle 16. 连接头13经导线电连接多导仪,多导仪通过端电极2和环电极I读取心内电信号。 Connector 13 is electrically connected via the wire polygraph, polygraph via the terminal electrode and the ring electrode I 2 read the ECG. 导线14采用包覆有绝缘层的铜线,用于传递心内电信号。 14 using copper wire coated with an insulating layer, for transferring electrical signals within the heart. 弹性线15采用不锈钢丝或其他金属丝,用于防止房性心动过速标测导管在送入受力时端电极2在作用力较大的情况下从冠状窦标测段端部脱落。 Elastic thread 15 made of stainless steel wire or other metal wire, for preventing atrial tachycardia mapping catheter into force at the end of the coronary sinus electrode 2 detached from the mapping section in an end portion is large force.

[0038] 如图2所示,导线14设置在双腔管3的内管与外管之间,弹性线15设置在双腔管3的内管内,以防止拉弹性线15调节圆弧段时损坏圆弧段内的导线14。 When [0038] As illustrated, the lead 14 is provided between the inner tube and the outer tube of the double lumen tube 3, elastic strands 15 disposed in the inner tube 3 of the double lumen tube 2, line 15 to prevent pulling the elastic regulating arc segment damaging the wires within the arcuate section 14. [0039] 如图3所7]^,手柄16设有手柄壳12,手柄壳12内设有活动杆7,手柄壳12与活动杆7同轴,活动杆7伸出手柄壳12的远端,与锁紧件6螺纹连接。 [0039] FIG 3 7] ^, handle 16 is provided with a handle shell 12, handle housing 12 features a movable lever 7, handle housing 12 coaxially with the movable rod 7, the movable rod 7 projecting distal end of handle housing 12 , 6 connected to the threaded locking member. 活动杆7中部和近端端部的周缘开有密封槽,密封槽内设有硅橡胶密封圈8,用于密封手柄壳12内孔与活动杆7外缘。 Movable rod 7 and the central portion of the peripheral edge of the proximal opening has a seal groove, a sealing groove is provided with a silicone rubber sealing ring 8 for sealing the hole 12 and the movable rod 7 handle housing outer rim. 活动杆7的中部开有长度尺寸方向与活动杆7轴线一致的长槽,长槽内设有轴线与活动杆7轴线垂直的柱状活动件9,活动件9可在长槽内沿活动杆7轴向移动。 Middle of the movable rod 7 is opened and the active lever length direction of the axis of the same long groove 7, with the axis of the long groove 7 perpendicular to the axis of the movable rod pillar movable member 9, the movable member 9 can be in the long groove along the rod 7 Activity axial movement. 活动杆7的近端、手柄壳12内设有圆柱状的内芯10,手柄壳12与内芯10同轴,内芯10中部、与内芯10轴线垂直装有固定柱11。 The proximal end of the active lever 7, a handle 12 equipped with a cylindrical housing inner core 10, casing 12 and the handle 10 coaxially with the core, the central core 10, the core 10 and perpendicular to the axis 11 with fixed column.

[0040] 如图4所示,手柄壳12为内部呈阶梯孔的中空圆柱状注塑件,从手柄壳12远端向近端孔径逐步增大,分别为第一孔17、第二孔18、第三孔19。 [0040] As shown in Fig 4, the handle housing 12 is a hollow cylindrical interior stepped hole injection molding, increasing from the distal end of the handle housing 12 proximal aperture, a first hole 17, respectively, the second hole 18, The third hole 19. 第一孔17的孔壁上开有第一螺孔20,第二孔18的孔壁上开有第二小孔21。 The first hole 17 of the wall of the hole 20 is opened first screw hole, the hole wall of the second aperture 18 has a second aperture 21 is opened. 第一孔17内设置活动杆7,活动杆7长槽内设置的活动件9伸进第一螺孔20内。 Hole 17 is provided in the first movable rod 7, the movable member movable rod 9 7 long groove extending into a first set of screw holes 20. 第二孔18内设置内芯10,内芯10上穿过的固定柱11伸进第二小孔21。 The second aperture 18 disposed within the inner core 10, fixed to the column 10 through the inner core 11 extends into the second aperture 21. 第三孔19用于放置安装连接头13。 The third mounting hole 19 for placing the connector 13.

[0041] 如图5所示,锁紧件6为筒状,内孔为螺孔,与活动杆7远端螺纹连接,用于导管5的近端伸进活动杆7远端端部后锁紧连接处。 [0041] 5, the locking member 6 is cylindrical, the bore is a threaded hole, the movable rod 7 is connected to the threaded distal end, a proximal end to the distal end 7 of the conduit 5 extending into the active lever lock tight connections.

[0042] 如图6和图7所示,活动杆7为筒状,中部和近端端部的周缘开有密封槽22、23,两密封槽之间开有10-20cm的长槽24,活动件9 一部分插入长槽中,另一部分伸进第一螺孔20内。 [0042] Figures 6 and 7, the movable shaft 7 is cylindrical, the central and the peripheral portion of the proximal seal groove opening 22, 23 are opened 10-20cm long groove 24 of the seal between the two grooves, 9 inserted in the elongated slot portion of the movable member, another part extending into the first screw hole 20. 活动杆7远端端部为外螺纹25结构,用于与锁紧件6螺纹连接,端部一段开有十字槽26,方便导管5的近端伸进活动杆7远端。 7 is a distal end portion of the active lever structure 25 is externally threaded for threaded connection to the locking member 6, the end portion of the cross section of the groove 26 are opened, the proximal end of the catheter to facilitate the active lever 5 protrudes into the distal end 7. 外螺纹25近端为外径大于活动杆7外径的凸缘27,用于推送手柄壳12 (回拉活动杆7)。 An externally threaded proximal end 25 of outer diameter greater than the outer diameter of the flange 7 active lever 27 for pushing the handle housing 12 (active pull-back lever 7).

[0043] 如图8和图9所示,内芯10为圆柱状,沿轴线开有通孔28,用于弹性线15穿过。 [0043] FIGS. 8 and 9, the inner core 10 is cylindrical with a through-hole along the axis 28, through line 15 for elastically. 圆柱中部与轴线垂直方向钻有盲孔29,固定柱11插入盲孔29中,固定柱11另一部分伸进第二小孔21内。 Central axis direction perpendicular to the cylindrical blind bore 29 is drilled, mounting post 11 is inserted into the blind hole 29, the mounting post 11 projects into the other part of the second aperture 21. 圆柱状内芯10上、与盲孔180°对称位置上,开有与内芯10轴线平行的第一槽30,用于于导线14穿过。 A cylindrical inner core 10, the blind bore 180 ° symmetrical positions, the opening 10 has an axis parallel to the first slot of the core 30, the wire 14 to pass through. 内芯10 的端部开有第二槽31,便于平稳准确把内芯10送入手柄壳12的内部位置。 End of the inner core 10 has a second open groove 31, to facilitate the smooth and accurate feeding of the core 10 inside the handle shell 12 of positions.

[0044] 如图10所示,固定柱11 一端开有第三槽32,用于工具(如一字螺丝刀)操作旋转固定柱11。 [0044] 10, 11 fixed to one end of the third groove 32 is opened column, for a tool (such as a flathead screwdriver) operation of the rotating column 11 is fixed. 固定柱11另一端与固定柱11轴线垂直开有第三小孔33,用于与内芯10上的通孔28配合使弹性线15穿过,并把弹性线15在固定柱11上按照顺时针的方向缠绕2圈,即可把弹性线15 —端固定在固定柱11上。 11 column to the other end 11 opening perpendicular to the axis of mounting post 33 with a third orifice, for the inner core through hole 1028 through the line 15 with the resilient and elastic thread 15 on the mounting post 11 in accordance with cis 2 turns clockwise winding direction, to the elastic line 15 - terminal 11 is fixed to the mounting post.

[0045] 如图11所示,活动件9为柱状,外部为外螺纹结构,用于与第一螺孔20配合连接,在端面开有内六方孔,方便内六角扳手将活动件9旋入到第一螺孔20内。 [0045] 11, the movable member 9 is cylindrical, the external structure is an external thread, for connection to a mating first screw hole 20, a hexagonal hole is opened in the inner end surface of the movable Allen wrench to facilitate screwing member 9 20 into the first threaded hole.

[0046] 弹性线15通过导管5的内腔,穿过锁紧件6和活动杆7的内孔连接在内芯10的固定柱11上。 [0046] The elastic thread 15 through the lumen of the catheter 5 through the locking member 6 and the movable rod 7 is connected to the inner bore of the inner core 10 is fixed on the post 11. 固定活动杆7的凸缘27,向远端推手柄壳12达到向近端推动活动杆7的目的,手柄壳12与伸出的活动杆7的总长度发生变化,固定柱11拉紧弹性线15,前端管4发生0-90度的弯曲形变,从而使得远端的冠状窦标测段到达预订位置能够后与被标测部位紧密接触。 The movable rod 277 fixed to the flange of the handle housing 12 distally pushed proximally to achieve the purpose of promoting the activities of the lever 7, the movable handle housing 12 extending the total length of the rod 7 is changed, mounting post 11 tensioned elastic thread 15, bending deformation of the pipe end 4 0-90 degrees, so that the distal end of the coronary sinus segment arrives after the mapping can be closely contacted with the mapping position reservation site. 活动件9在活动杆7的长槽内移动限制手柄壳12与伸出的活动杆7的总长度变化范围。 The movable member 912 and the total length of the active lever 7 projecting range of variation in the long groove to limit movement of the active lever handle 7 of the housing.

[0047] 如图12所示,连接头13为外购标准件,插针的数量为4-20针。 [0047] As shown in FIG. 12, connector 13 is a purchased standard, the number of pins of the needle 4-20.

[0048] 房性心动过速标测导管的制备方法,包括以下步骤: Preparation [0048] The method of atrial tachycardia mapping catheters, comprising the steps of:

[0049] 一、制备各零件,制作导管5、前端管4和双腔管3,采用美国阿科玛公司的尼龙弹性体Pebax5533导管、前端管和双腔管一体管,导管和前端管的外径为1.40-2.40mm,内径为1.00-2.0Omm,长660_1200mm,前端管长lO-lOOmm,双腔管外径为2.0-2.8mm,长为50-100mm,在导管的远端冠状窦标测段弯曲成型后钻1_10个小孔,小孔间隔为等间隔3mm、4mm、5mm、6mm或10mm,或从近端至远端按2mm、8mm、2mm、…,或2mm、5mm、2mm、…的规律排列,在冠状窦标测段最近端的小孔距离10-200mm处,开始钻1_10个小孔,小孔间隔为等间隔3mm-4mm- 5mm-6mm 或10mm,或从近端至远端按2mm、8mm、2mm、...,或2mm、5mm、2mm、…规律排列。 An outer [0049] I. Preparation of the parts, making the catheter 5, the pipe end 4 and the dual lumen tube 3, a US Arkema nylon elastomer Pebax5533 conduit, the pipe end and one double lumen tube, the distal end of the catheter tube and diameter of 1.40-2.40mm, an inner diameter of 1.00-2.0Omm, long 660_1200mm, distal tube length lO-lOOmm, double lumen tubing outer diameter of 2.0-2.8mm, a length of 50-100mm, mapping the coronary sinus at the distal end of the catheter after the segment bending 1_10 drilled holes, 3mm holes spaced at equal intervals, 4mm, 5mm, 6mm, or 10mm, or from the proximal end to the distal end by 2mm, 8mm, 2mm, ..., or 2mm, 5mm, 2mm, ... the regular arrangement, at the orifice of the coronary sinus at a distance of 10-200mm mapping the most proximal segment, beginning 1_10 drilled holes, hole spacing, etc. 3mm-4mm- 5mm-6mm or 10mm intervals from the proximal end to the distal end or press 2mm, 8mm, 2mm, ..., or 2mm, 5mm, 2mm, ... arranged regularly. 端电极2采用庄信万丰贸易(深圳)有限公司不锈钢或钼铱合金(90%钼10%铱),外径为1.40-2.40mm,长度为l_4mm的柱状端电极。 Terminal electrode 2 using Johnson Matthey's business (Shenzhen) Co., Ltd. iridium alloy, stainless steel or molybdenum (Mo 90% 10% iridium), an outer diameter of 1.40-2.40mm, the length of the cylindrical ends l_4mm electrode. 环电极I采用上海中克金属贸易有限公司不锈钢或钼铱合金(90%钼10%铱),外径为1.40-2.40mm,内径为1.00-2.00mm,长1-1Omm的环电极,环电极的数量为2-20个。 The ring electrodes I by Shanghai Ltd. g of metallic iridium alloy, stainless steel or molybdenum (Mo 90% 10% iridium), an outer diameter of 1.40-2.40mm, an inner diameter of 1.00-2.00mm, long 1-1Omm ring electrode, the ring electrode the number of 2-20. 制作导线14,将美国丽S导线公司丽S WIRE INDUSTRIES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 wire 14, the wire U.S. company Korea Korea S S WIRE INDUSTRIES copper wire having a diameter of 0.1-0.5 mm, with the outer polyurethane coating line 650-1100mm, stripped ends polyurethane coating, the copper wire is exposed 0.2cm, to give wire. 弹性线15采用的直径为0.20-0.40mm,长度为650-1 IOOmm的镍钛线。 Diameter of the elastic wire 15 is used 0.20-0.40mm, 650-1 IOOmm a length of nitinol wire. 手柄壳12、锁紧件6、活动杆7、内芯10材料为聚甲醛树脂,按现有技术注塑得到,活动件9材料为不锈钢,按现有技术加工得到,固定柱11为铝合金,按现有技术加工得到,密封圈8采用外径为0.5mm,厚度为0.1mm的娃橡胶密封圈。 Handle shell 12, the locking member 6, the active lever 7, the inner core material 10 is a polyacetal resin, obtained according to the prior art injection molding, the movable member 9 made of stainless steel, obtained according to the prior art process, the column 11 is fixed to an aluminum alloy, obtained by processing according to the prior art, an outer diameter of the sealing ring 8 using 0.5mm, a thickness of 0.1mm baby rubber seal.

[0050] 如图13所示,房性心动过速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。 [0050] As shown, the distal end of the mold segment mapping the coronary sinus atrial tachycardia mapping catheters filamentous, curved distal portion of a circular arc, the radius of curvature of the curved portion is 70-13 100mm. 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,20-100秒时间至热成型机的加热温度为100-300°C,加热时间为100-800秒,冷却时间为100-800秒,从导管上抽出成型模具,得到成型的远端冠状窦标测段。 Mapping the coronary sinus molding section is: penetrate the mold inner catheter, the catheter is placed on BS-50 type thermoforming machine Double Branch Shenzhen Xin Industrial Co., Ltd. manufactured 20-100 seconds to thermoformer the heating temperature is 100-300 ° C, heating time of 100 to 800 seconds, cooling time of 100 to 800 seconds, and the catheter withdrawn from the mold to obtain a molded distal coronary sinus mapping section. 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.

[0051] 二、将每根导线14的一端分别焊接到端电极2 —端和环电极I内,并把弹性线15的一端焊接到端电极2 —端,将导线14另一端分别从小孔中伸进导管5,将连接端电极2的一根导线14、弹性线15的另一端从导管5的远端伸进导管5,将焊接有导线14的环电极I套置在远端标测导管上,将焊接有`导线14、弹性线15的端电极2装在远端标测导管端部。 [0051] Second, one end of each wire 14 are welded to the end electrode 2 - electrode ring and the inner end I, and welding the end of the elastic wire 15 to the terminal electrode 2 - end, the other end of the wire 14 from each orifice 5 extending into the conduit, a connecting terminal electrode 14 of the wire 2, the other end of the elastic cord 15 extends into the catheter from the distal end 5 of the catheter 5, the ring electrode is welded I sleeved wire 14 at the distal end of the mapping on the catheter, the wire 14 'are welded, the elastic end wire electrode 2 is mounted on the distal end 15 of the mapping catheter tip. 用尺寸与环电极I外径大小一样的外卡工具将环电极I卡紧固定到远端标测导管上,用医疗级胶水将端电极2粘接固定到远端标测导管上。 The dimension and an outer diameter of the ring electrode as the magnitude of the external I card I tool clamping ring electrodes secured to the distal end of the mapping catheter with medical grade glue terminal electrode 2 is adhered and fixed to the distal end of the mapping catheter. 将两个密封圈8分别装入活动杆7两个的密封槽内,利用引导线将导线14、弹性线15另一端从导管5近端拉出。 The two sealing rings 8 respectively, into the two active lever seal groove 7, the wire 14 by the guide wire, the other end of the elastic cord 15 is pulled out from the proximal end 5 of the catheter. 将弹性线15套入内径0.8~1.0mm的钢管内,将导线14套入内径1.8~2.0mm的钢管内。 The inner steel tube 15 set into the inner diameter of the elastic thread 0.8 ~ 1.0mm, and the inner steel sleeve 14 lead into the inner diameter of 1.8 ~ 2.0mm. 将内芯10装入手柄壳12中,再将固定柱11装配在手柄壳12的第二小孔与内芯10的盲孔28中。 The inner core 10 into the handle housing 12, mounting post 11 and then fitted in the handle housing a second blind bore holes 12 and 10 of the core 28. 将两个钢管分别从手柄壳12、内芯10中穿过,取出钢管,此时弹性线15和导线14分别穿过活动杆 The two steel pipes 12, respectively, through the inner core 10 from the handle housing, remove the pipe, the elastic case 15 and the lead wires 14 pass through the movable rod

7。 7. 弹性线15另一端与内芯10上的通孔28配合使弹性线15穿过,并把弹性线15在固定柱11按照顺时针的方向旋转缠绕2圈,即可把弹性线15固定锁紧在固定柱11的圆柱状上。 Elastic thread 15 on the other end of the through-hole and the inner core 1028 through the line 15 with the elastic, and the elastic threads 15 in the mounting post 11 is wound clockwise around the rotating ring 2, the elastic thread 15 is fixed to the locking on the cylindrical mounting post 11. 固定在固定柱11上,将活动杆7插入手柄壳12中,推动活动杆7至手柄壳12中部位置,使用内六角扳手将活动件9旋入活动杆7的第一螺孔20,并伸进长槽24中,将活动杆7推送至最远端,使用一字改刀旋转固定柱11,剪去多余的弹性线15,在锁紧件6涂上乐泰胶水集团的乐泰胶水M-31CL胶后再旋紧在活动杆7远端端部。 Fixed to the fixing post 11, the movable rod 7 is inserted into the handle housing 12, pushing the movable rod 7 to the middle position of the handle housing 12, using the Allen wrench to the movable member 9 is screwed into the first screw hole 207 active lever and extending into the elongated slot 24, the movable rod 7 is pushed to the distal-most end, rotationally fixed blade 11 to change the word column used, cut off the excess elastic thread 15, coated with Loctite glue Group Loctite glue the locking member 6 M -31CL gum after 7 screwed active lever distal end. 将连接头13插入手柄壳12近端的孔内,导线14的另一端按照预先设置好的位置,分别焊接连接到连接头13的插针内,旋紧连接头13的外壳,完成房性心动过速标测导管的制作。 The other end 12 of the connector 13 is inserted into the proximal end of handle housing hole, the wire 14 in accordance with pre-set position, are respectively connected to the welding head 13 of pin connector, head 13 is screwed connector housing, the completion of atrial cardiac over-production speed mapping catheters. [0052] 医生手术时,将房性心动过速标测导管的标测导管穿入通用的鞘管管体内,待标测导管全部进入鞘管管体内,把鞘管管体内插入护送管内,通过护送管,把房性心动过速标测导管送至标测预订位置,将房性心动过速标测导管推出护送管,在X光下观察到房性心动过速标测导管远端呈远端冠状窦状态,推动活动杆,使活动杆内的密封圈跟手柄壳内腔紧密的贴在一起,活动杆内有10-20cm的长槽,推动活动杆使得活动件在活动杆长槽的范围内移动,调节活动杆位置,固定柱拉紧弹性线,前端管发生弯曲形变,使房性心动过速标测导管的远端冠状窦标测段与需标测的心肌部位紧密接触,如果环电极不能紧密接触到需标测的部位,可以旋转手柄一定角度,使得导管跟随手柄旋转的角度一致,操纵前端管发生转向,达到环电极与心肌待标测的部位紧密接触状态 [0052] When the surgeon, the atrial tachycardia mapping catheters generic mapping catheter sheath tube penetrates the body, until all of the mapping catheter access sheath tube body, the tube body is inserted into the sheath tube escorted by escort tube, the mapping catheter atrial tachycardia mapping to the reservation position, atrial tachycardia mapping catheter tube Release escort observed atrial tachycardia mapping catheter at the distal end of the light away form X end of the coronary sinus state, pushing the movable rod, so that the handle with the housing interior with a snug seal within the active lever, 10-20cm long groove of the movable rod, the rod pushes the moving member so that the movable elongated slot in the active lever the range of movement, the movable rod adjusting the position of the fixed post tensioned elastic thread, bending deformation of the pipe end, a distal end portion of the coronary sinus myocardial mapping and mapping section needs atrial tachycardia mapping catheters into close contact, if ring electrodes need not be in close contact with the portion of the mapping, the handle can be rotated a certain angle, so that the angle of the catheter to follow the rotation of the handle coincides steering actuating the pipe end occurs, and reach the site mapping ring electrode to be in close contact myocardial ,固定房性心动过速标测导管的远端冠状窦标测段。 The distal fixation atrial tachycardia mapping catheter in the coronary sinus mapping section. 为了准确的确定标测点位置,进行标测前,先通过造影导管对心内部位进行局部造影,待能准确判定标测位置后,把房性心动过速标测导管通过通用的连接线连接至多导仪,可进行标测。 In order to accurately determine the position mapping, pre mapping, local contrast to the first internal bit by cardiac angiography catheter, to be able to accurately determine the location of mapping, the mapping catheter atrial tachycardia are connected by a common connection line most conductivity meter, mapping may be performed. 房性心动过速标测导管的冠状窦标测段跟心脏的冠状窦形状一致,故可实现心脏冠状窦部位的标测。 Coronary sinus atrial tachycardia mapping section mapping catheter coincides with the shape of the coronary sinus of the heart, it can realize mapping the coronary sinus site. 冠状窦标测位置确定后,房性心动过速标测导管直线段就能到达上腔静脉及右心房位置,从而实现上腔静脉及右心房的标测。 After determining the position of coronary sinus mapping, atrial tachycardia mapping catheter can reach the straight segments superior vena cava and right atrium position, thereby realizing the mapping superior vena cava and right atrium.

[0053] 实施例1:狗活体,健康的公狗,体重20公斤,年龄2岁。 [0053] Example 1: Dogs live, healthy male dogs, weighing 20 kg, aged 2 years old. 本发明的房性心动过速标测导管一根,冠状窦标测段的直径为15mm,每个环电极长度为1mm,外径为1.2mm,电极数量9个,端电极的长度为2mm,外径为1.2mm,间隔为5mm。 Atrial tachycardia mapping catheter according to the present invention, a diameter of the coronary sinus mapping segment is 15mm, a length of each ring electrode 1mm, an outer diameter of 1.2mm, the number of electrodes 9, the length of the end electrodes of 2mm, an outer diameter of 1.2mm, an interval of 5mm. 直段环电极的长度为1mm,外径为2.33mm,电极数量为10个,间隔为5mm。 The length of the straight section of the ring electrodes of 1mm, an outer diameter of 2.33mm, the number of electrodes 10 at intervals of 5mm. 直线段最元端环电极与冠状窦标测段近端环电极的间隔为100_。 Spaced electrodes and the proximal coronary sinus mapping section most linear segment membered ring terminal electrode is 100 A. 将房性心动过速标测导管经护送管分别进入上腔静脉、心耳、冠状静脉窦、左右心房,在西门子DSAX射线监视下,首先推送连接头,使房性心动过速标测导管的远端冠状窦标测段到达上腔静脉,并使冠状窦标测段在上腔静脉口完全释放于上腔静脉口,推动手柄,使直段环电极发生变形,让直段环电极紧贴于心房内部进行标测。 The atrial tachycardia mapping catheter into the pipes are escorted through the superior vena cava, atrial appendage, coronary sinus, left and right atria, in the Siemens DSAX ray monitor, push first connector, so that atrial tachycardia mapping catheter distal end of the coronary sinus mapping section reaches the superior vena cava and coronary sinus mapping section opening in the superior vena cava to the superior vena cava complete release opening, push the handle, so that the straight section is deformed ring electrodes, so that close contact with the straight section of the ring electrode for internal atrial mapping. 推动手柄过程中,通过造影导管注射造影剂来准确判断出上腔静脉及心房内的标测状况。 Push the handle during injection of contrast medium through the catheter angiography to accurately determine the mapping conditions superior vena cava and atrium. 冠状窦的标测每一极的值从远端开始为75bpm、80bpm、74bpm、89bpm、91bpm、84bpm、97bpm、73bpm、94bpm、81bpm,此值均在正常范围内。 Each pole value mapping of the coronary sinus distal from the start 75bpm, 80bpm, 74bpm, 89bpm, 91bpm, 84bpm, 97bpm, 73bpm, 94bpm, 81bpm, this value was within the normal range. 由此可见,本发明的房性心动过速标测导管的冠状窦标测满足要求。 Thus, mapping the coronary sinus atrial tachycardia mapping catheter of the present invention meet the requirements. 直线段标测的上腔静脉及右心房的每一极的值从远端开始为86bpm、89bpm、70bpm、91bpm、96bpm、75bpm、79bpm、80bpm、81bpm、95bpm,此值均在正常范围60 ~IOObpm 内。 Each straight line segment electrode mapping value of the right atrium and the superior vena cava from the distal end of the start 86bpm, 89bpm, 70bpm, 91bpm, 96bpm, 75bpm, 79bpm, 80bpm, 81bpm, 95bpm, this value were in the normal range of 60 to within IOObpm. 由此可见,本发明的房性心动过速标测导管的直线段标测满足要求。 Thus, atrial tachycardia mapping catheter of the present invention meet the requirements of straight line segments mapping.

`[0054] 由实施例1可知,本发明的房性心动过速标测导管的标测满足要求,标测在半小时以内完成,采用本发明的房性心动过速标测导管进行在上腔静脉、心耳、冠状静脉窦、左右心房标测,能大大缩短手术时间,标测可靠,减少消融时明确靶点位置和消融能量,结构简单,方便手术医生操作。 `[0054] seen from Example 1, the mapping to meet the requirements atrial tachycardia mapping catheter of the present invention, the mapping is completed in less than half an hour, using atrial tachycardia mapping catheter according to the present invention on vena cava, atrial appendage, coronary sinus, right and left atrial mapping, can greatly shorten the operation time, reliable mapping, reducing the target position clear of ablation and the ablation energy, simple structure, convenient operation surgeon.

Claims (8)

  1. 1.一种房性心动过速标测导管,设有导管(5),导管(5)的近端连接有手柄(16),手柄(16)的近端端部连接连接头(13),导管(5)的远端为圆弧段,圆弧段上套置有环电极(1),圆弧段端部连接有端电极(2),环电极(I)、端电极(2)经导线(14)与连接头(13)的插针电连接,其特征在于:所述导管(5)的远端为直线段的前端管(4)与圆弧段,前端管(4)上套置有环电极(I);所述手柄(16)设有手柄壳(12),手柄壳(12)内设有活动杆(7),活动杆(7)伸出手柄壳(12)的远端,与锁紧件(6)螺纹连接,活动杆(7)中部和近端端部的周缘开有密封槽,密封槽内设有密封圈(8);活动杆(7)的中部开有长度尺寸方向与活动杆(7)轴线一致的长槽,长槽内设有轴线与活动杆(7)轴线垂直的柱状活动件(9),活动件(9)可在长槽内沿活动杆(7)轴向移动;活动杆(7)的近端、手柄壳(12)内设有圆柱状的内芯(10),内芯(10)中部、与内 An atrial tachycardia mapping catheter, with the catheter (5), the proximal end of the catheter (5) is connected to a handle (16), a handle (16) is connected to the proximal connector portion (13), the distal end of the catheter (5) is an arc segment, is sleeved with a ring electrode (1), connected to an end section of the arc electrode terminal (2), the ring electrode (I) on an arc segment, the terminal electrode (2) by conductor (14) and the connector (13) is electrically connected to the pin, wherein: the distal end of the catheter (5) for the pipe end straight section (4) and the arc segment, the pipe end (4) on the sleeve a ring counter electrode (the I); said handle (16) provided with a handle shell (12), a handle shell (12) is provided with the movable rod (7), the movable rod (7) projecting handle housing (12) distal end, a threaded connection with the locking element (6), the movable rod (7) and the peripheral edge of the central portion of the proximal seal groove opening, is provided with a sealing groove ring (8); the middle of the movable rod (7) is opened length direction of the movable rod (7) of the same axis of the elongated slot, the axis of the long groove is provided movable rod (7) perpendicular to the axis of the cylindrical movable member (9), the movable member (9) along the active lever in the long groove (7) axially movable; proximally rod (7), the handle housing (12) is provided with a cylindrical inner core (10), the central core (10), and the inner (10)轴线垂直装有固定柱(11)。 (10) with an axis perpendicular to the mounting post (11).
  2. 2.根据权利要求1所述的房性心动过速标测导管,其特征在于:所述端电极(2)经弹性线(15)与手柄(16)连接。 The atrial tachycardia mapping catheter according to claim 1, wherein: said terminal electrode (2) connected via an elastic cord (15) with the handle (16).
  3. 3.根据权利要求2所述的房性心动过速标测导管,其特征在于:所述圆弧段为管状的双腔管(3),双腔管(3)的外径为2.0-2.8mm,长为50_100mm,由同轴的两个管套置构成,双腔管(3)具有弹性,自由状态为圆弧状,圆弧的曲率半径为7-100mm。 The atrial tachycardia mapping catheter according to claim 2, wherein: said arc segment is tubular double lumen tube (3), the outer diameter dual lumen tube (3) is 2.0 to 2.8 mm, length of 50_100mm, consists of two concentric tubes sleeved, double-lumen tube (3) has an elastic, free state arc shape, the radius of curvature of the arc is 7-100mm.
  4. 4.根据权利要求3所述的房性心动过速标测导管,其特征在于:所述导线(14)设置在双腔管(3 )的内管与外管之间,弹性线(15 )设置在双腔管(3 )的内管内。 According to claim atrial tachycardia mapping catheter of claim 3, wherein: said wires (14) disposed between the inner and outer tubes double lumen tube (3), elastic threads (15) an inner tube disposed within the lumen tube (3).
  5. 5.根据权利要求4所述的房性心动过速标测导管,其特征在于:所述前端管(4)的外径为1.40-2.40mm,内径为1.00-2.0Omm,长10-100mm。 According to claim atrial tachycardia mapping catheter of claim 4, wherein: an outer diameter of said distal tube (4) is 1.40-2.40mm, an inner diameter of 1.00-2.0Omm, long 10-100mm.
  6. 6.根据权利要求5所述的房性心动过速标测导管,其特征在于:所述导管(5)的外径为1.40-2.40mm,内径为1.00-2.0Omm,长650-1 IOOmm ;所述导管(5)、前端管(4)和双腔管(3)制成为一体。 The atrial tachycardia mapping catheter according to claim 5, wherein: an outer diameter of the catheter (5) is 1.40-2.40mm, an inner diameter of 1.00-2.0Omm, long 650-1 IOOmm; the conduit (5), the pipe end (4) and a double-lumen tube (3) made in one piece. ` `
  7. 7.根据权利要求6所述的房性心动过速标测导管,其特征在于:所述双腔管(3)装有1-10个环状的环电极(1),环电极(I)的外径为1.40-2.40mm,内径为1.00-2.00mm,长1-1Omm;所述双腔管(3)的远端端部装有端电极(2),端电极(2)外径为1.40-2.40m,长度为1-4mm ;所述端电极(2)与环电极(I)、环电极(I)之间的间隔为3mm、4mm、5mm、6mm或10mm,或从近端至远端按2mm、8mm、2mm、...,或2mm、5mm、2mm、…的规律排列;所述前端管(4)装有个1-10个环电极(I ),环电极(I)的外径为1.40-2.40mm,内径为1.00-2.0Omm,长l-lOmm,环电极(I)之间的间隔为3mm、4mm、5mm、6mm或10mm,或从近端至远端按2mm、8mm、2mm、...或2mm、5mm、2mm、…的规律排列;所述双腔管(3)的最近端环电极(I)与前端管(4)的最远端环电极(I)之间的间隔为10-200mm。 The atrial tachycardia mapping catheter according to claim 6, wherein: said dual lumen tube (3) is provided with an annular ring electrode having 1 to 10 (1), the ring electrode (I) the outer diameter of 1.40-2.40mm, an inner diameter of 1.00-2.00mm, long 1-1Omm; the distal end of the dual lumen tube (3) provided with a terminal electrode (2), the terminal electrode (2) outer diameter 1.40-2.40m, 1-4mm in length; the end of the electrode (2) and the ring electrode (I), the spacing between the ring electrode (I) is 3mm, 4mm, 5mm, 6mm, or 10mm, or from the proximal end to the distal end of the law according to 2mm, 8mm, 2mm, ..., or 2mm, 5mm, 2mm, ... are arranged; said distal tube (4) is provided with two ring electrodes 1-10 (I), the ring electrode (I) the outer diameter of 1.40-2.40mm, an inner diameter of 1.00-2.0Omm, long-l-lOmm, the spacing between the ring electrode (I) is 3mm, 4mm, 5mm, 6mm, or 10mm, or from the proximal end to the distal end by 2mm , 8mm, 2mm, ..., or 2mm, 5mm, 2mm, ... of the regular arrangement; the double lumen tube (3) most proximal ring electrode (I) and the pipe end (4) of the most distal ring electrode (I interval between 10-200mm).
  8. 8.一种房性心动过速标测导管的制备方法,包括以下步骤:一、制备各零件,制作导管,采用尼龙弹性体Pebax5533管,外径为1.40-2.40mm,内径为1.00-2.0Omm,长650-1100mm的导管,在导管的远端冠状窦标测段弯曲成型后钻1_10个小孔,小孔间隔为等间隔3mm、4mm、5mm、6mm 或10mm,或从近端至远端按2mm、8mm、2mm、...,或2mm、5mm、2mm、…的规律排列,在冠状窦标测段最近端的小孔距离10-200mm处,开始钻1-10个小孔,小孔间隔为等间隔3mm、4mm、5mm、6mm或10mm,或从近端至远端按2mm、8mm、2mm、…,或2mm、5mm、2mm、…规律排列;端电极采用不锈钢或钼铱合金,外径为1.40-2.40mm,长度为l-4mm;环电极采用不锈钢或钼铱合金,外径为L 40-2.40mm,内径为L 00-2.00臟,长l-10mm,环电极的数量为2-20个;制作导线,将的铜线直径为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0.2c 8. A method of preparing atrial tachycardia mapping catheters, comprising the steps of: a preparation of the parts, making the catheter, Pebax5533 nylon elastomer tube, an outer diameter of 1.40-2.40mm, an inner diameter of 1.00-2.0Omm , 650-1100mm long catheter, the distal end of the bending section mapping the coronary sinus catheter 1_10 drilled holes, holes spaced at equal intervals 3mm, 4mm, 5mm, 6mm, or 10mm, or from the proximal end to the distal end press 2mm, 8mm, 2mm, ..., or 2mm, 5mm, 2mm, ... of the regular arrangement, the orifice of the coronary sinus at a distance of 10-200mm mapping the most proximal segment, beginning 1-10 drilled holes, apertures aligned at regular intervals 3mm, 4mm, 5mm, 6mm, or 10mm, or from the proximal end to the distal end by 2mm, 8mm, 2mm, ..., or 2mm, 5mm, 2mm, ... arranged regularly; terminal electrodes made of stainless steel or molybdenum iridium alloy, an outer diameter of 1.40-2.40mm, a length of l-4mm; ring electrodes made of stainless steel or molybdenum iridium alloy, an outer diameter of L 40-2.40mm, L 00-2.00 dirty inner diameter, length l-10mm, the number of ring electrodes 2-20; making wire, the copper wire having a diameter of 0.1-0.5 mm, with the outer polyurethane coating line 650-1100mm, stripped ends polyurethane coating, the copper wire is exposed 0.2c m,得到导线;弹性线采用直径为.0.20-0.40mm,长度为650-1100mm的镍钛线;手柄壳、锁紧件、活动杆、内芯材料为聚甲醛树月旨,按现有技术注塑得到,活动件材料为不锈钢,按现有技术加工得到,固定柱为铝合金,按现有技术加工得到,密封圈采用外径为0.5mm,厚度为0.1mm的娃橡胶密封圈;所述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70-100_,将成型模具穿入导管内,将导管在20-100秒时间至加热温度为100-300°C,加热时间为100-800秒,冷却时间为100-800秒,从导管上抽出成型模具;二、将每根导线的一端分别焊接到端电极一端和环电极内,并把弹性线的一端焊接到端电极一端,将导线另一端分别从小孔中伸进导管,将连接端电极的一根导线、弹性线的另一端从导管的远端伸进导管,将焊接有导线的环电极套置在远 m, to obtain a wire; elastic wire with a diameter of .0.20-0.40mm, nickel titanium wire length of 650-1100mm; handle housing, the locking member, the movable rod, the core material is a polyoxymethylene tree months purpose, according to the prior art injection molded, the movable member made of stainless steel, obtained according to the prior art process, an aluminum alloy is fixed to the column, obtained according to the prior art process, seal with an outer diameter of 0.5mm, a thickness of 0.1mm baby rubber seal; the mapping the coronary sinus mold segment is filiform, curved distal portion of a circular arc, the radius of curvature of the curved portion is 70-100_, penetrate the mold inner catheter, the catheter is heated to between 20 and 100 seconds temperature of 100-300 ° C, heating time of 100 to 800 seconds, cooling time of 100 to 800 seconds, withdrawn from the catheter mold; two, one end of each wire is welded to the inner end of the electrode and the ring electrode terminal, and the end of the elastic wire welded to the end of the electrode terminal, the other end of each wire extending into the conduit from the hole, the connection end of a wire electrode, the other end of the elastic threads extend into the catheter from the distal end of the catheter, the welding ring electrode lead wire at the distal sleeved 标测导管上,将焊接有导线、弹性线的端电极装在远端标测导管端部;将两个密封8分别装入活动杆两个的密封槽内,将导线、弹性线另一端从导管近端拉出;将内芯装入手柄壳中,将固定柱装配在手柄壳的第二小孔与内芯的盲孔中,将弹性线和导线分别穿过活动杆,弹性线另一端固定在固定柱上,将活动杆插入手柄壳中,将活动件旋入活动杆的孔,并伸进长槽中,将锁紧件旋在活动杆远端端部;将连接头插入手柄壳近端的孔内,导线分别焊接连接·到连接头的插针内,完成房性心动过速标测导管的制作。 The mapping catheter, the electrode lead will be welded ends, mounted at the distal end of the elastic line mapping catheter end; the other end of the two seal bars 8 are two seals into the active slot, wire, elastic cord from the proximal end of the catheter is pulled out; the inner core is loaded in the handle housing, the fixing columns fitted in the second blind bore holes within the core of the handle housing, the resilient wires and conductors pass through the movable rod, the other end of the elastic cord in a fixed pillar, the movable rod into the handle housing, the movable member is movable rod screwed into the hole, and a long groove extending into the distal end of the locking member screwed in the movable rod; connector into the handle housing the proximal end of the bore, the wires are soldered to the connecting-pin connector, to complete the production atrial tachycardia mapping catheters.
CN 201210017020 2012-01-19 2012-01-19 Auricular tachycardia mapping catheter and preparation method thereof CN102551705B (en)

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CN104771162A (en) * 2015-05-04 2015-07-15 中国人民解放军总医院 Heart electricity information mapping electrode
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US6308090B1 (en) * 1998-03-09 2001-10-23 Irvine Biomedical, Inc. Devices and methods for coronary sinus mapping
US6064905A (en) * 1998-06-18 2000-05-16 Cordis Webster, Inc. Multi-element tip electrode mapping catheter
US7039450B2 (en) * 2002-11-15 2006-05-02 Biosense Webster, Inc. Telescoping catheter
US7142903B2 (en) * 2003-03-12 2006-11-28 Biosense Webster, Inc. Catheter with contractable mapping assembly
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