CN103505798B - Surface ablation catheter trench - Google Patents

Surface ablation catheter trench Download PDF

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Publication number
CN103505798B
CN103505798B CN201310463990.8A CN201310463990A CN103505798B CN 103505798 B CN103505798 B CN 103505798B CN 201310463990 A CN201310463990 A CN 201310463990A CN 103505798 B CN103505798 B CN 103505798B
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catheter
support
ablation catheter
sealing layer
ablation
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CN201310463990.8A
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Chinese (zh)
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CN103505798A (en
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董永华
曹红光
廖申扬
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上海魅丽纬叶医疗科技有限公司
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Priority to CN201310463990.8A priority Critical patent/CN103505798B/en
Publication of CN103505798A publication Critical patent/CN103505798A/en
Priority claimed from CN201490000298.XU external-priority patent/CN205215353U/en
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Abstract

本发明公开了一种表面有沟槽的消融导管,包括配置在中心部位的支撑导管,和配置在支撑导管的外表面上的多条导线;多条导线围绕支撑导管的圆周方向配置,并且,每条导线沿支撑导管的长度方向延伸;在每条导线的外部配置有用于包覆导线的密封层,相邻的密封层在支撑导管的外表面上形成沟槽。 The present invention discloses a trench surface ablation catheter, comprising a catheter disposed in the central portion of the support, and a plurality of wires arranged in the outer surface of the support conduit; a plurality of wires disposed around a circumference direction of the support of the catheter, and, each longitudinal direction of the catheter along the support wire extends; each wire is disposed outside the sealing layer of a covered wire, the sealing layer is formed adjacent to the outer surface of the support on the trench duct. 与现有技术中将导线等内部结构包覆在圆形管材内部的设计相比,表面有沟槽的消融导管的外表面与导引导管内壁的接触面积更小,摩擦阻力大幅下降,方便手术操作;同时,表面有沟槽的消融导管与导引导管之间的空隙更大,可以充分满足消融手术中造影、灌洗、抗凝等要求。 Coating the inside of the pipe as compared to the circular design, the surface of an ablation catheter with an internal structure of the trench in the prior art and other wire and a contact area of ​​the outer surface of the inner wall of the guide catheter is smaller, a substantial decline in the frictional resistance, easy operation operation; at the same time, a larger gap between the surface of the trenches with the guide catheter ablation catheter, an ablation procedure can fully meet the contrast, lavage, anticoagulation requirements.

Description

表面有沟槽的消融导管 Surface ablation catheter trench

技术领域 FIELD

[0001] 本发明涉及一种医疗器械,更具体地是涉及一种表面有沟槽的消融导管。 [0001] The present invention relates to a medical device, and more particularly, to a trench surface ablation catheter.

背景技术 Background technique

[0002] 心脏是一个十分复杂的人体器官。 [0002] The heart is a very complex human organ. 心电流的刺激使心肌收缩,泵出血液并使之在血管内循环。 Heart stimulating current causes myocardial contraction, blood is pumped out and circulated within the vessel. 心电流首先穿过心房,然后是心室,引起相应的肌肉收缩。 First current through the heart atrium and ventricles, causing the corresponding muscle contraction. 心肌在心电流的作用下,进行有节律的协调收缩。 Under current role of cardiac heart, be coordinated rhythmic contractions. 随着年龄的增长或心脏的病理及生理特征的改变,会导致心脏的收缩失调、节律异常。 With the changing age or pathological and physiological characteristics of the heart, it can lead to contraction of the heart disorders, abnormal rhythm.

[0003] 治疗心律失常的方法之一是消融术,即通过介入手术切断不正常的心电流回路。 One [0003] The method of treatment is ablation of arrhythmias, abnormal heart that is cut off by the current loop interventional procedures. 为了进行消融术,需要将带有消融电极的导管送达左心房。 To perform ablation, a catheter having an ablation electrode needs to serve a left atrium. 一般情况下是经过股动脉穿刺,在X光影像观察下,将带有消融电极的电生理导管送至左心房,并使电极贴靠在肺静脉口上,通过采集电信号确定产生心律失常的非正常心电流回路的位置,由消融电极引起的放电能量或其他能量造成该位置附近的组织损伤变性及凝固性坏死,阻断非正常心电流回路。 Under normal circumstances is abnormal after femoral artery puncture, observation under X-ray images, with the electrophysiology catheter ablation electrodes to the left atrium, and the electrode bears against the pulmonary vein ostium, generates arrhythmia is determined by collecting electric signals the center position of the current loop, the discharge energy or other energy generated by the ablation electrode damage caused by degeneration of the tissue near the location and coagulation necrosis, block abnormal heart current loop. 用于消融的能量可以是射频电流、直流电流、微波、超声波或激光。 Energy for ablation may be radio frequency current, direct current, microwave, ultrasonic wave or laser.

[0004] 消融导管一般都需要在导引导管的协助下建立从体外到心脏或肾动脉的通道,而消融导管的大部分是保留在导引导管内的,也就是说在消融术中,导引导管包绕在消融导管的外壁上。 [0004] catheter ablation are generally required to set up the tunnel to the heart from outside the body or renal artery with the assistance of the guiding catheter, ablation catheter and mostly remain within the guiding catheter, which means that ablation, the guide an outer wall surrounding the catheter ablation catheter. 因此,导引导管的内径需要大于消融导管的外径,以便于消融导管的顺利通过。 Thus, the inner diameter must be greater than the outer diameter of the guide catheter ablation catheter, the ablation catheter to facilitate smooth passage. 同时,手术中,需要借助于DSA(数字减影血管造影)设备,通过向导引导管内注射造影剂,才可以清晰地观察到血管等目标部位的形状、位置、大小等关键信息。 Meanwhile, surgery, need the help of the DSA (Digital Subtraction Angiography) apparatus, the guide tube through the wizard injection of contrast agent, it can be clearly observed that the key information of the target site of a blood vessel shape, position, size and the like. 手术中还需要向导引导管内注入生理盐水进行灌洗,注入肝素进行抗凝。 Surgery is also a need to guide guide tube lavage saline injection, injection of heparin anticoagulation. 因此,在保证消融导管基本功能和强度不受影响的前提下,还需要保证消融导管和导引导管之间的空隙,用以充分满足造影、灌洗、抗凝等要求。 Thus, to ensure the basic functions of the ablation catheter and intensity unaffected premise, also we need to ensure a gap between the ablation catheter and the guiding catheter to fully meet contrast, lavage, anticoagulation requirements.

[0005] 在现有技术中,消融导管的外表面是圆形设计。 [0005] In the prior art, the ablation catheter is the outer surface of the circular design. 导线等内部结构都包覆在圆形管材内部,消融导管与导引导管之间的空隙只能通过增大导引导管的内径实现,而导引导管内径的增加必然增加消融手术的难度。 The internal structure of wire or the like are coated on a circular inner pipe, the gap between the ablation catheter and the guide catheter can be achieved by increasing the inner diameter of the guiding catheter, an inner diameter of the guide catheter increases inevitably increase the difficulty of the ablation procedure. 同时,为了保证消融导管顺利通过导引导管,也需要提供一种与导引导管之间的阻力更小的消融导管。 Meanwhile, in order to ensure the smooth ablation catheter through the guide catheter is also necessary to provide a resistance between the guiding catheter and a smaller ablation catheter.

发明内容 SUMMARY

[0006] 针对现有技术中消融导管的不足,本发明所要解决的技术问题在于提供一种表面有沟槽的消融导管。 [0006] less than the ablation catheter against the prior art, the present invention is to provide a technical problem to trench surface ablation catheter.

[0007] 为实现上述的发明目的,本发明采用下述的技术方案: [0007] To achieve the above object of the present invention, the present invention adopts the following technical solution:

[0008] —种表面有沟槽的消融导管,包括配置在所述消融导管中心部位的支撑导管,和配置在所述支撑导管的外表面上的多条导线;多条所述导线围绕所述支撑导管的圆周方向配置,并且,每条所述导线沿所述支撑导管的长度方向延伸;在每条所述导线的外部都配置有用于包覆所述导线的密封层,相邻的密封层在所述支撑导管的外表面上形成沟槽。 [0008] - seed trench surface ablation catheter, comprising a catheter disposed in the central portion of the ablation catheter of the support, and a plurality of wires disposed in an outer surface of the supporting conduit; said plurality of wires around the support conduit arranged in the circumferential direction, and each of said support wire extends along the longitudinal direction of the catheter; in each of said outer conductors are arranged with a sealing layer for coating of the wire, adjacent to the sealing layer forming a trench in the outer surface of the support catheter.

[0009] 其中较优地,所述密封层具有圆弧形的截面,所述密封层的底端与所述支撑导管的外表面紧密连接,形成一个圆弧状空间;所述导线配置于所述圆弧状空间内。 [0009] wherein Jiaoyou, the sealing layer has an arc-shaped cross section, the bottom end of the sealing layer is tightly connected to the outer surface of the conduit support to form a circular arc-shaped space; to the configuration of the wire said arcuate inner space.

[0010] 或者,其中较优地,所述密封层的截面具有圆弧形的顶部,和与所述圆弧形顶部的底边连接并向所述支撑导管的外表面延伸的直线形侧壁;所述导线配置于由圆弧形顶部、直线型侧壁和所述支撑导管的外表面构成的封闭空间内。 [0010] Alternatively, wherein Jiaoyou, the cross section of the sealing layer having arcuate top and bottom and connected to the top of the arc-shaped support to the outer surface of the sidewall rectilinear conduit extending ; disposed within the wire by the arc-shaped in a top, side walls and the straight outer surface of the conduit support constituting a closed space.

[0011] 其中较优地,相邻的所述密封层彼此连接,覆盖整个所述支撑导管的外表面。 [0011] wherein the Jiaoyou, the sealing layer adjacent to each other, cover the entire outer surface of the support catheter.

[0012] 其中较优地,所述导线与所述支撑导管的外表面相切,所述导线与所述密封层的顶部相切。 [0012] wherein Jiaoyou, the outer surface of the wire support tangential conduit, a top wire and the tangent to the sealing layer.

[0013] 其中较优地,多条所述导线围绕所述支撑导管的外圆周均匀排布。 [0013] wherein Jiaoyou, the plurality of wires around the outer circumference of the support pipe are arranged uniformly.

[0014] 其中较优地,多条所述导线围绕所述支撑导管的外圆周排布成梅花状。 [0014] wherein Jiaoyou, the plurality of wires around the outer circumference of the supporting catheter into a quincunx arrangement.

[0015] 其中较优地,所述导线的数量为六条。 [0015] wherein Jiaoyou, the number of the conductors is six.

[0016] 其中较优地,所述密封层由高分子材料制成。 [0016] wherein Jiaoyou, the sealing layer is made of a polymer material.

[0017] 其中较优的,所述高分子材料为聚氨酯、聚乙烯、聚丙烯或尼龙中的一种。 [0017] superior wherein the polymeric material is a polyurethane, a polyethylene, a polypropylene, or nylon.

[0018] 本发明提供的消融导管,在其支撑导管的外表面配置有多条导线,通过不同的密封层分别对每条导线进行密封,从而在消融导管的外表面形成多道沟槽。 [0018] The present invention provides an ablation catheter, the outer surface of the conduit supporting a plurality of wires arranged on each conductor is sealed by the sealing layer are different, thereby forming many grooves on the outer surface of the ablation catheter. 与现有技术中将导线等内部结构包覆在圆形管材内部的设计相比,表面有沟槽的消融导管的外表面与导引导管内壁的接触面积更小,摩擦阻力大幅下降,方便手术操作;同时,表面有沟槽的消融导管与导引导管之间的空隙更大,可以充分满足消融手术中造影、灌洗、抗凝等要求。 Coating the inside of the pipe as compared to the circular design, the surface of an ablation catheter with an internal structure of the trench in the prior art and other wire and a contact area of ​​the outer surface of the inner wall of the guide catheter is smaller, a substantial decline in the frictional resistance, easy operation operation; at the same time, a larger gap between the surface of the trenches with the guide catheter ablation catheter, an ablation procedure can fully meet the contrast, lavage, anticoagulation requirements.

附图说明 BRIEF DESCRIPTION

[0019]图1是表面有沟槽的消融导管的导线排布示意图; [0019] FIG. 1 is a grooved surface ablation catheter schematic arrangement of wires;

[0020]图2是表面有沟槽的消融导管的第一实施例的截面示意图; [0020] FIG. 2 is a schematic cross-sectional surface of the groove of the first embodiment of the ablation catheter;

[0021]图3是表面有沟槽的消融导管的第二实施例的截面示意图; [0021] FIG. 3 is a schematic cross-sectional surface of the trench to a second embodiment of an ablation catheter;

[0022] 图4是表面有沟槽的消融导管在导引导管内的截面示意图; [0022] FIG. 4 is a schematic view of the surface of the trench cross-section of the ablation catheter within the guiding catheter;

[0023] 图5A是图2所示消融导管与导引导管之间的空隙的示意图; [0023] FIG 5A is a schematic view of the ablation catheter and the gap between the guide catheter shown in FIG 2;

[0024] 图5B是现有消融导管与导引导管之间的空隙的示意图。 [0024] FIG 5B is a schematic diagram of the gap between the conventional ablation catheter and the guide catheter.

具体实施方式 Detailed ways

[0025] 下面结合附图和具体实施例对本发明作进一步的详细说明。 Drawings and specific embodiments of the present invention will be further described in detail [0025] below in conjunction.

[0026] 结合图1至图3可知,本发明所提供的表面有沟槽的消融导管10(下文,简称消融导管10),包括配置在中心部位的支撑导管I和配置在支撑导管I的外表面上的多条导线2 ;多条导线2围绕支撑导管I的圆周方向配置,并且,每条导线2沿支撑导管I的长度方向延伸;在每条导线2的外部都配置有用于包覆导线2的密封层3,相邻的密封层3在支撑导管I的外表面上形成沟槽。 [0026] in conjunction with FIGS. 1 to 3 that the present invention provides a surface with a groove of the ablation catheter 10 (hereinafter, referred to as the ablation catheter 10), comprising a support arranged in the conduit I and a central portion disposed in the support outer catheter I a plurality of wires on the surface 2; 2 a plurality of wires disposed around a circumference direction of the support pipe I, and each wire 2 extending along the longitudinal direction of the catheter support I; outside each conductor 2 are covered wire configured for the sealing layer 32, the adjacent sealing layer 3 is formed on the outer surface of the support groove I of the catheter.

[0027]图2所示为本发明所提供的第一实施例。 The first embodiment of the present invention illustrated is provided [0027] FIG. 其中,在圆形支撑导管I的外部,沿其外圆周方向均匀地配置有六条导线2,彼此相邻的两条导线2与支撑导管I中心的连线构成60°的夹角,从而六条导线2围绕支撑导管I的外圆周排布成梅花状。 Wherein, in the circular outer support pipe I, uniformly along the outer circumferential direction are arranged six wire 2, two wires 2 adjacent to each other enclose an angle of 60 ° with the center line connecting the support pipe I, so that six leads 2 around an outer circumference of the support pipe I into a quincunx arrangement. 同时,在每条导线I外部设置一层塑料密封层3构成消融导管10,消融导管10的截面形状也呈梅花状。 Meanwhile, a layer of plastic on each conductor outer sealing layer 3 I ablation catheter 10, a sectional shape of the ablation catheter 10 also form a quincunx.

[0028] 如图2所示,在第一实施例中,包覆在导线I的外部的密封层3的截面呈圆弧形,密封层3的底部与支撑导管I的外表面紧密连接,形成一个圆弧状空间;导线2配置于圆弧状空间内。 [0028] As shown, in the first embodiment, the cladding 2 in a sectional arc-shaped outer conductor of the sealing layer I 3, the sealing layer 3 and the outer bottom surface of the support catheter I tight junctions, formed an arc-shaped space; wire 2 disposed within the arcuate space. 与此同时,相邻的密封层3在支撑导管I的外表面上形成沟槽。 At the same time, the sealing layer 3 is formed adjacent the trench in the support outer surface of the conduit I.

[0029] 图3所示为本发明所提供的第二实施例。 [0029] The second embodiment shown in FIG. 3 of the present invention provides. 在该实施例中,导线2在支撑导管I的外圆周方向配置的方式和数量与第一实施例相同。 In this embodiment, the configuration and number 2 in the outer circumferential direction of the support wire conduit I the same as the first embodiment. 其不同点在于,包覆在导线I的外部的密封层3的截面形状不同。 Which is different in that different cross-sectional shape of the wire is coated outside the sealing layer I 3. 第二实施例中,密封层3的截面具有圆弧形的顶部,和与圆弧形顶部的底边连接并向支撑导管I的外表面延伸的直线形侧壁。 In the second embodiment, the cross section of the sealing layer 3 having a top arcuate, rectilinear side walls and arcuate top and bottom connections to support the outer surface of the catheter extending I. 圆弧形顶部、直线型侧壁和支撑导管I的外表面构成一个封闭的空间,导线2分别配置于独立的封闭空间内。 Arc-shaped top, an outer side wall surface of the straight conduit I and the support constituting a closed space, the wires 2 are arranged in a separate enclosed space.

[0030] 在上述两个实施例中,消融导管10中包括六条导线2,六条导线2外部的密封层3彼此独立,不相互接触。 [0030] In the above two embodiments, the ablation catheter 10 comprises six wires 2, the six outer wires 2 a sealing layer 3 independently of one another, are not in contact with each other. 但随着导线2的数量的增加,或者随着密封层3与支撑导管I的接触面积的增大,相邻的密封层3也可以连接在一起,覆盖整个支撑导管I的外表面。 But with the increasing number of wire 2, or 3 with the increase of the contact area between the sealing layer I of the support pipe, adjacent sealing layer 3 may also be joined together, they cover the entire outer surface of the conduit I the support. 也就是说,密封层3可以彼此独立,也可以连接为一体,构成一个整体的密封层。 That is, the sealing layer 3 may be independently of one another, may be integrally connected, forming an integral seal layer.

[0031] 为了保证消融导管10的强度和韧性,密封层3可以使用高分子材料制作,例如使用聚氨酯、聚乙烯、聚丙烯、尼龙中的任意一种。 [0031] In order to ensure the strength and toughness of the ablation catheter 10, the sealing layer 3 may be made using a polymer material such as polyurethane, polyethylene, polypropylene, any nylon. 在制作消融导管10时,如果包覆在不同导线外部的密封层3已构成一个整体,则可以通过直接在导线2的外部熔覆等厚度的高分子材料制作密封层3。 In the production of the ablation catheter 10, if the different external wires coated sealing layer 3 constitutes an integral seal layer 3 may be made by a polymer material in the outer conductor 2 and the like cladding thickness directly.

[0032] 本发明所提供的表面有沟槽的消融导管10,具有结构紧凑,体积小的特点。 [0032] The present invention provides a surface with a groove of the ablation catheter 10, having a compact structure and small size characteristics. 为了进一步压缩消融导管10的体积,导线2可以直接与支撑导管I的外表面接触,导线2也可以与密封层3的顶部相切。 To further compress the volume of the ablation catheter 10, the wires 2 may be in direct contact with the outer surface of the support pipe I, the wire 2 may be tangential to the top of the sealing layer 3. 即,在该消融导管10中,导线2与支撑导管I的外表面相切,同时导线2与密封层3的顶部相切。 That is, in the ablation catheter 10, the outer surface of the wire 2 is tangent to the supporting catheter I, while the wire 2 is tangent to the top of the sealing layer 3.

[0033] 如图4所示,本发明所提供的表面有沟槽的消融导管10,在进行消融手术时,需要穿过导引导管20,并在导引导管20的协助下建立从体外到心脏或肾动脉的通道。 [0033] As shown in FIG. 4, the surface of the present invention provides an ablation catheter with a groove 10, during the ablation procedure, to pass through a guide catheter 20, and the establishment of assistance from guide catheter 20 in vitro to heart or renal artery channel. 下面,结合图5A对本发明所提供的表面有沟槽的消融导管10的使用情况,以及表面有沟槽的消融导管10和导引导管20之间的空隙进行介绍。 Referring to Fig. 5A with a surface groove provided in the present invention the use of an ablation catheter 10 and catheter ablation surface with a groove 10 and introduces a gap between the guide catheter 20. 同时,结合图5A和图5B对本发明所提供的表面有沟槽的消融导管10与现有技术中通常使用的圆柱形的消融导管10'进行比较。 Meanwhile, in conjunction with FIGS. 5A and 5B, the surface of the present invention has provided a cylindrical groove ablation catheter ablation catheter 10 commonly used prior art 10 'compared.

[0034] 现有技术中,圆柱形的消融导管10'将导线等内部结构包覆在圆形管材内部,其外表面为光滑的圆柱体。 [0034] In the prior art, cylindrical ablation catheter 10 'of the internal structure of the wire or the like coated circular inner pipe, the outer surface is a smooth cylinder. 如图5B所示,圆柱形的消融导管10'通过导引导管20时,圆柱形的外表面与导引导管20的内表面均可能接触,接触面积较大。 5B, the cylindrical ablation catheter 10 'is 20, the inner surface of the outer cylindrical surface 20 of the guide catheter through the guide catheter into contact are possible, a large contact area. 与之相比,如图5A所示,本发明所提供的表面有沟槽的消融导管10,在通过导引导管20时,只有密封层3的顶部有可能与导引导管20的内表面接触,接触面积大幅减小,摩擦阻力下降,方便手术操作。 Compared thereto, as shown in FIG. 5A, the surface of the present invention is provided with a groove 10 of the ablation catheter, the catheter 20 through the guide, only the top-sealing layer 3 may be exposed with the inner surface of the guide catheter 20 , the contact area is greatly reduced, the frictional resistance decreases convenient surgical procedure.

[0035] 同时,从图5A和图5B的对比可知,在具有同样管径大小的导引导管20内部,表面有沟槽的消融导管10与导引导管20之间的空隙更大,分布在其外表面的沟槽,可将现有技术中消融导管10'与导引导管20之间的空隙增加I倍以上。 [0035] Meanwhile, as apparent from comparison of FIGS. 5A and 5B, in the interior of the guide catheter 20 having the same diameter size, a larger surface of the trench 20 between the ablation catheter 10 and guide catheter voids distributed the outer surface of the trench, the prior art may be an ablation catheter 10 'and the gap between the guide catheter 20-fold increase in I above. 通过有效利用消融导管10外部的沟槽与导引导管20内壁之间的空隙15,可以充分满足消融手术中造影,灌洗,抗凝的要求。 The gap between the inner wall 10 outside of the catheter ablation by effectively using catheter 20 and the guide groove 15, we can fully meet the requirements of the ablation procedure in contrast, lavage, anticoagulation. 此空隙可容纳更多的造影剂,增强造影效果;可获得更多的灌洗空间,提高导引导管的灌洗效果,可充盈更多的肝素等抗凝药物,发挥抗凝作用。 This gap can accommodate more contrast agents, the contrast enhancement effect; lavage more space available, the improved guide catheter lavage effect, filling more heparin anticoagulant, anticoagulant role to play.

[0036] 综上所述,本发明提供的表面有沟槽的消融导管,在其支撑导管的外表面配置有多条导线,通过不同的密封层分别对每条导线进行密封,从而在消融导管的外表面形成多道沟槽。 [0036] In summary, the present invention provides a surface ablation catheter with a groove disposed on an outer surface of the conduit supporting a plurality of wires for each conductor is sealed by the sealing layer are different, so that the ablation catheter the outer surface of many grooves. 与现有技术中将导线等内部结构包覆在圆形管材内部的设计相比,表面有沟槽的消融导管的外表面与导引导管内壁的接触面积更小,摩擦阻力大幅下降,方便手术操作;同时,表面有沟槽的消融导管与导引导管之间的空隙更大,可以充分满足消融手术中造影、灌洗、抗凝等要求。 Coating the inside of the pipe as compared to the circular design, the surface of an ablation catheter with an internal structure of the trench in the prior art and other wire and a contact area of ​​the outer surface of the inner wall of the guide catheter is smaller, a substantial decline in the frictional resistance, easy operation operation; at the same time, a larger gap between the surface of the trenches with the guide catheter ablation catheter, an ablation procedure can fully meet the contrast, lavage, anticoagulation requirements. 该表面有沟槽的消融导管,可同时应用在心脏和肾动脉的射频消融手术中。 The ablation catheter surface grooves can be simultaneously used in RF ablation of cardiac and renal artery surgery.

[0037] 以上对本发明所提供的表面有沟槽的消融导管进行了详细的说明。 [0037] surface above the present invention has provided a catheter ablation trench detail. 对本领域的技术人员而言,在不背离本发明实质精神的前提下对它所做的任何显而易见的改动,都将构成对本发明专利权的侵犯,将承担相应的法律责任。 To those skilled in the art, without departing from the essential spirit of the invention in any obvious changes made to it, will constitute patent infringement of the present invention, it will bear the corresponding legal responsibility.

Claims (10)

1.一种表面有沟槽的消融导管,其特征在于: 所述消融导管包括配置在所述消融导管中心部位的支撑导管,和配置在所述支撑导管的外表面上的多条导线;多条所述导线围绕所述支撑导管的圆周方向配置,并且,每条所述导线沿所述支撑导管的长度方向延伸;在每条所述导线的外部配置有用于包覆所述导线的密封层,相邻的密封层在所述支撑导管的外表面上形成沟槽。 An ablation catheter surface grooves, wherein: the ablation catheter comprises a plurality of wires arranged in the support catheter ablation catheter central portion, and disposed in the outer conduit supporting surface; a plurality Article about the circumferential direction of the support wire catheter configuration, and each of said support wire extends along the longitudinal direction of the catheter; disposed outside each of said conductor layer for coating the sealing wire , trenches are formed adjacent sealing layer on the outer surface of the support catheter.
2.如权利要求1所述的消融导管,其特征在于: 所述密封层具有圆弧形的截面,所述密封层的底端与所述支撑导管的外表面紧密连接,形成一个圆弧状空间;所述导线配置于所述圆弧状空间内。 2. The ablation catheter according to claim 1, wherein: said sealing layer has an arc-shaped cross section, the bottom end of the sealing layer is tightly connected to the outer surface of the conduit support to form a circular arc shape space; said wire is disposed within the arcuate space.
3.如权利要求1所述的消融导管,其特征在于: 所述密封层的截面具有圆弧形的顶部,和与所述圆弧形顶部的底边连接并向所述支撑导管的外表面延伸的直线形侧壁,所述导线配置于由圆弧形顶部、直线型侧壁和所述支撑导管的外表面构成的封闭空间内。 3. The ablation catheter according to claim 1, wherein: said sealing layer having a top cross-sectional circular arc shape, and connected to the arc-shaped bottom to the top of the outer surface of the support pipe straight side walls extending the lead disposed in a closed space formed by a top arcuate, rectilinear side walls and an outer surface of the support catheter.
4.如权利要求1所述的消融导管,其特征在于: 相邻的所述密封层彼此连接,覆盖整个所述支撑导管的外表面。 4. The ablation catheter according to claim 1, wherein: the sealing layer adjacent to each other, cover the entire outer surface of the support catheter.
5.如权利要求1所述的消融导管,其特征在于: 所述导线与所述支撑导管的外表面相切,所述导线与所述密封层的顶部相切。 5. The ablation catheter according to claim 1, wherein: said lead supporting tangential to an outer surface of the conduit, a top wire and the tangent to the sealing layer.
6.如权利要求1所述的消融导管,其特征在于: 多条所述导线围绕所述支撑导管的外圆周均匀排布。 6. The ablation catheter according to claim 1, wherein: said plurality of wires around the outer circumference of the support pipe are arranged uniformly.
7.如权利要求6所述的消融导管,其特征在于: 多条所述导线围绕所述支撑导管的外圆周排布成梅花状。 As claimed in claim 6, the ablation catheter, comprising: a plurality of wires around the outer circumference of the supporting catheter into a quincunx arrangement.
8.如权利要求1〜7中任意一项所述的消融导管,其特征在于: 所述导线的数量为六条。 As claimed in any one of claims 1~7 The ablation catheter, which is characterized in that: the number of conductors is six.
9.如权利要求1所述的消融导管,其特征在于: 所述密封层由高分子材料制成。 9. The ablation catheter according to claim 1, wherein: said sealing layer is made of a polymer material.
10.如权利要求9所述的消融导管,其特征在于: 所述高分子材料为聚氨酯、聚乙烯、聚丙烯或尼龙中的一种。 According to claim 9 of the ablation catheter, characterized in that: the polymeric material is polyurethane, polyethylene, polypropylene, or one nylon.
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CN201310463990.8A CN103505798B (en) 2013-09-30 2013-09-30 Surface ablation catheter trench
CN201490000298.XU CN205215353U (en) 2013-02-07 2014-02-07 Radio frequency melts system and radio frequency melts equipment thereof
PCT/CN2014/000143 WO2014121664A1 (en) 2013-02-07 2014-02-07 Radio frequency ablation method, system and radio frequency ablation device thereof
US14/766,637 US9993291B2 (en) 2013-02-07 2014-02-07 Radio frequency ablation method, system and radio frequency ablation device thereof
EP14748628.6A EP2954865A4 (en) 2013-02-07 2014-02-07 Radio frequency ablation method, system and radio frequency ablation device thereof
JP2015556380A JP6453769B2 (en) 2013-02-07 2014-02-07 Induction cauterization method, system and induction cautery equipment

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CN102271750A (en) * 2008-11-14 2011-12-07 明诺医学股份有限公司 Selectively administered in the lumen
CN102274021A (en) * 2010-04-21 2011-12-14 韦伯斯特生物官能(以色列)有限公司 Using the circumferential ring bump electrodes provided lavage dual lasso catheter
CN102462532A (en) * 2011-10-25 2012-05-23 张石江 Conduit system with label testing and ablation functions in blood vessels
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