CN104546054B - Adjustable closure device and method of releasing - Google Patents

Adjustable closure device and method of releasing Download PDF

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Publication number
CN104546054B
CN104546054B CN201510026530.8A CN201510026530A CN104546054B CN 104546054 B CN104546054 B CN 104546054B CN 201510026530 A CN201510026530 A CN 201510026530A CN 104546054 B CN104546054 B CN 104546054B
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disc
push rod
lower
ligation
lower disc
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CN201510026530.8A
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Chinese (zh)
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CN104546054A (en
Inventor
李博
杨永森
陈娟
罗鹏
王超
李超
张芳芳
蒲忠杰
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上海形状记忆合金材料有限公司
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Abstract

本发明提供一种可调式封堵装置及释放方法,该封堵装置包括封堵器和推送杆,封堵器包括上盘片和下盘片,上盘片和下盘片之间设有弹性连接件,下盘片的下方设有下盘片结扎套,弹性连接件的活动端穿过下盘片结扎套与推送杆可拆卸连接,推送杆沿轴向拉动弹性连接件,调节弹性连接件在上盘片和下盘片之间的长度。 The present invention provides an adjustable closure means and release means, the closure means comprises a push rod and an occluder, the occluder comprising an elastic upper disc and the lower disc between the upper disc and the lower disc connecting member, is provided under the lower disc ligation lower disc sets, the active end of the resilient connector sleeve and the lower disc pushers ligation detachable connection, push rod axially elastic connecting member is pulled, the elastic regulating member is connected through the length between the upper disc and the lower disc. 该可调式封堵装置及释放方法,通过调节弹性连接件在上盘片和下盘片之间的长度,达到调节上盘片和下盘片之间的夹持力的目的,使封堵装置更稳定牢固,与病变位置贴合更良好,可以适应不同大小、不同长度的病变,同时该可调式封堵装置的可回收再释放性使得手术发生意外时可以纠正,降低了手术风险和手术操作难度。 The adjustable occlusion device and delivery method, the connection between the disc and the lower disc by adjusting the length of the elastic, the purpose of adjusting the clamping force between the upper disc and the lower disc of the occlusion device more stable and secure, and lesion position better fit, can adapt to different sizes and different lengths of the lesion, while the adjustable occlusion device recyclable release can be corrected so that the operation time of the accident, reducing the risk of surgery and surgical procedures difficulty.

Description

可调式封堵装置及释放方法 Adjustable closure device and method of releasing

技术领域 FIELD

[0001 ]本发明涉及一种可调式封堵装置。 [0001] The present invention relates to an adjustable closure device.

[0002]本发明还涉及一种可调式封堵装置的释放方法。 [0002] The present invention further relates to a method for releasing adjustable occlusion device.

背景技术 Background technique

[0003]先天性心脏病主要是由于婴幼儿胚胎时期心腔内间隔封闭不全导致,针对这种缺损型病变,现行治疗方法主要是封闭治疗,包括外科缝合治疗以及介入的封堵治疗。 [0003] Congenital heart disease is mainly due to the intracardiac interval incomplete closure results in embryonic infants, for such defects lesions, the current treatment is mainly closed treatment, including therapy and surgical stapling closure therapeutic intervention.

[0004]在封堵治疗中,通常使用的封堵装置是蘑菇伞形封堵器或者弹簧圈,但蘑菇伞形封堵器在夹持力方面很难控制,而弹簧圈虽然可以控制夹持力,但不适用于大的缺损病变。 [0004] In the sealing treatment, the occlusion device generally used mushroom or umbrella occluder coils, but the mushrooms in mushroom occluder is difficult to control the clamping force respects, although the coil spring can be controlled clamping force, but not for large defects lesions. 现有一些设计的封堵盘片之间使用弹簧连接而不是传统的NiTi合金网连接,但弹簧长度固定,夹持力也是固定的,从而造成盘片对缺损周边的压迫是不可调节的,若应用在某些特殊病变例如室间隔缺损中时,会造成压迫水肿,严重时会造成三度传导阻滞(唯一的治疗方法是终身携带心脏起搏器)。 Some existing between the disk occluder designs using springs connected NiTi alloys instead of the traditional network connection, but the length of the spring is fixed, the clamping force is fixed, the pressure on the periphery of the disc causing the defect is not adjustable, if perform in certain lesions such as ventricular septal defect when, the cause of oppression edema, severe cases can cause third-degree block (the only treatment is a lifelong carry a pacemaker).

发明内容 SUMMARY

[0005]鉴于以上所述现有技术的缺点,本发明的目的在于提供一种可调式封堵装置及释放方法,用于解决现有技术中封堵装置的夹持力难以控制、不可调的问题。 [0005] In view of the foregoing disadvantages of the prior art, an object of the present invention is to provide an adjustable closure means and release means, the clamping force for solving the prior art occlusion device is difficult to control, is not adjustable problem.

[0006]为实现上述目的及其他相关目的,本发明提供一种可调式封堵装置,该封堵装置包括封堵器和推送杆,封堵器包括上盘片和下盘片,上盘片、下盘片由形状记忆丝线网状编织而成,上盘片和下盘片之间设有弹性连接件,弹性连接件设有与上盘片固定的固定端和穿过下盘片的活动端,下盘片的下方设有下盘片结扎套,弹性连接件的活动端穿过下盘片结扎套与推送杆可拆卸连接;推送杆沿轴向拉动弹性连接件,调节弹性连接件在上盘片和下盘片之间的长度;推送杆与弹性连接件脱离时,弹性连接件的活动端与下盘片结扎套的相对位置保持不变。 [0006] To achieve the above objects and other related objects, the present invention provides an adjustable closure means, the closure means comprises a push rod and an occluder, the occluder includes an upper disc and the lower disc, the disc , lower disc knitted wire mesh made of a shape memory, an elastic member connected between the disc and the lower disc, the resilient connecting member is provided with a fixed end fixed on the disc through the disc and activities end, below the lower disc is provided with lower disc ligation cover, the movable end of the resilient connector passing through the sleeve and the lower disc pushers ligation detachable connection; pulls push rod axially elastic connecting member connecting the elastic regulating member the length between the upper disc and the lower disc; when the resilient push rod connecting member disengaged, the relative position of the movable end of the resilient connector sleeve under the disk remains unchanged ligation.

[0007]优选的,推送杆包括推送杆外壳、推送杆内芯,推送杆内芯在推送杆外壳的内腔内沿轴线移动或旋转,推送杆外壳的端部与下盘片结扎套可拆卸连接,推送杆内芯的端部与弹性连接件的活动端可拆卸连接。 [0007] Preferably, the push rod pushers comprising a housing, the inner core push rod, the push rod within the lumen of the inner core along the axis of rotation or movement of the push rod housing, the push rod and the lower end portion of the housing cover disc detachably ligation connector, the resilient end portion of the inner core and the push rod connecting member is detachably connected to the movable end.

[0008]进一步的优选,推送杆外壳的端部与下盘片结扎套螺纹连接。 [0008] Further preferably, the end portion of the threaded sleeve and the ligation disk pushers connected to the housing.

[0009]进一步的优选,推送杆内芯的端部与弹性连接件的活动端螺纹连接或通过夹扣连接。 [0009] Further preferably, the resilient end portion of the push rod connected to the inner core member moveable end of a threaded connection or via a clip.

[0010]优选的,弹性连接件为弹簧。 [0010] Preferably, the elastic member is a spring connector.

[0011]进一步的优选,弹簧的活动端设有弹簧限位头部,弹簧限位头部的外径大于下盘片结扎套的内径。 [0011] Further preferably, the movable end of the spring with the spring retainer head, the outer diameter of the spring retainer head is greater than the inner diameter of the disk sets ligation.

[0012]进一步的优选,弹簧为圆柱状标准弹簧、方形弹簧、椭圆弹簧或圆锥状弹簧。 [0012] Further preferably, the spring is a cylindrical standard springs, square springs, conical springs or elliptical spring.

[0013]优选的,弹性连接件为管形网状编织结构,管形网状编织结构由形状记忆丝线网状编织而成。 [0013] Preferably, the elastic member is connected to a tubular braided mesh structure, the tubular structure knitted mesh knitted wire mesh made of a shape memory.

[0014]进一步的优选,管形网状编织结构的活动端设有编织结构结扎套,编织结构结扎套能穿过下盘片插入下盘片结扎套中,编织结构结扎套远离管形网状编织结构的一端设有结扎套限位头部,结扎套限位头部的外径大于下盘片结扎套的内径,管形网状编织结构靠近编织结构结扎套的一端设有沿径向伸展的伸展翼,伸展翼的外径大于下盘片结扎套的内径。 [0014] Further preferably, the movable end of the tubular net-like woven structure with ligation sheath braided structure, the braided structure to pass through the lower disc ligation cover disc inserted into the lower sleeve ligation, ligation of the woven structure of the tubular sleeve remote from the web One end of the woven structure is provided with the stopper sleeve head ligation, the ligation cover an outer diameter greater than the lower limit of the head of the inner diameter of the disk sets ligation, the tubular braided structure near one end of the mesh structure woven ligation sleeve provided with radially extending stretching wing is greater than the outer diameter of the lower wing extending the inner diameter of the disk sets ligation.

[0015]为实现上述目的及其他相关目的,本发明还提供一种使用上述可调式封堵装置的释放方法,包括以下步骤: [0015] To achieve the above objects and other related objects, the present invention also provides a method of using the above-described release adjustable occlusion device, comprising the steps of:

[0016] I)将推送杆与封堵器连接,拉动推送杆,将封堵器拉入输送鞘管内; [0016] I) a push rod connected to the occluder, pulls the push rod, the occluder delivery pulled into the sheath;

[0017] 2)通过输送鞘管,将封堵器送至病变位置; [0017] 2) through a delivery sheath, the closure device to the position of the lesion;

[0018] 3)推送推送杆外壳,将上盘片释放; [0018] 3) housing the push rod to push the release on the disc;

[0019] 4)同时推送推送杆外壳与推送杆内芯,释放弹性连接件; [0019] 4) while the push rod to push the housing and the inner core push rod, the resilient coupling is released;

[0020] 5)推送杆内芯保持不动,推送推送杆外壳,下盘片部分释放; [0020] 5) the push rod remains stationary core, pushers push the housing, the lower portion of the disk is released;

[0021] 6)将推送杆外壳与下盘片结扎套分离; [0021] 6) housing the push rod and the lower disc ligation cover separation;

[0022] 7)观察封堵器是否稳定牢固,若有需要,调节弹性连接件在上盘片和下盘片之间的长度; [0022] 7) whether the observed high stability occluder, if necessary, adjusting the elastic member between the upper disc and the lower disc of the length of the connection;

[0023] 8)抽回推送杆外壳,推送杆内芯与弹性连接件外露且完全释放; [0023] 8) a push rod housing is withdrawn, the push rod connecting member and the elastic inner core is exposed and completely released;

[0024] 9)将推送杆内芯与弹性连接件的活动端分离。 [0024] 9) the push rod free end of the inner core and the elastic connecting member separated.

[0025]优选的,所述步骤I)包括以下步骤: [0025] Preferably, said step I) comprises the steps of:

[0026]①将弹性连接件的活动端与推送杆内芯的端部连接; [0026] ① The free end of the resilient end portion of the connecting member and the inner core is connected to a push rod;

[0027]②将推送杆内芯连同弹性连接件的活动端一起拉入推送杆外壳中; [0027] ② push rod connected to the core member along with the resilient free end of the pull-push rod with the housing;

[0028]③将推送杆外壳与下盘片结扎套固定连接; [0028] ③ housing and the push rod is fixedly connected to the lower cover disc ligation;

[0029]④推送杆内芯连同弹性连接件的活动端,在推送杆外壳的空腔内沿轴线移动或旋转,调节弹性连接件在上盘片和下盘片之间的长度; [0029] ④ push rod free end of the core together with the elastic connector, the cavity along the axis of rotation or movement of the push rod housing, an elastic regulating member between the upper disc and the lower disc of the length of the connection;

[0030]⑤拉动推送杆,将封堵器拉入输送鞘管内。 [0030] ⑤ push rod is pulled, pull the occluder within the delivery sheath.

[0031]优选的,步骤7)中调节弹性连接件在上盘片和下盘片之间的长度的过程包括以下步骤: Process [0031] Preferably, step 7) adjusting an elastic member between the upper disc and the lower disc of the length of the connection comprises the steps of:

[0032]①将推送杆外壳前推,使推送杆内芯与弹性连接件回收到推送杆外壳的内腔内; [0032] ① before the push rod to push the housing, so that the push rod and the resilient core member connected to the inner cavity of the push rod recovered housing;

[0033]②将推送杆外壳与下盘片结扎套固定连接; [0033] ② housing and the push rod is fixedly connected to the lower cover disc ligation;

[0034]③将推送杆内芯及弹性连接件的活动端一起在推送杆外壳的空腔内沿轴线移动或旋转,调节弹性连接件在上盘片和下盘片之间的长度; [0034] ③ inner core push rod and an elastic member connecting the movable end of the movement or rotation of the push rod together with the cavity of the housing along the axis, the elastic regulating member between the upper disc and the lower disc of the length of the connection;

[0035]④将推送杆外壳与下盘片结扎套分离。 [0035] ④ push rod housing and separate sets of lower disc ligation.

[0036]如上所述,本发明可调式封堵装置及释放方法,具有以下有益效果: [0036] As described above, the present invention is adjustable occlusion device and delivery method, has the following advantages:

[0037]该可调式封堵装置及释放方法,通过调节弹性连接件在上盘片和下盘片之间的长度,达到调节上盘片和下盘片之间的夹持力的目的,使封堵装置更稳定牢固,与病变位置贴合更良好,可以适应不同大小、不同长度的病变,同时该可调式封堵装置的可回收再释放性使得手术发生意外时可以纠正,降低了手术风险和手术操作难度。 [0037] The adjustable occlusion device and delivery method, the connection between the disc and the lower disc by adjusting the length of the elastic, the purpose of adjusting the clamping force between the upper disc and the lower disc, so that secure the occlusion device is more stable, and better position against the lesion, can adapt to different sizes and different lengths of the lesion, while the adjustable occlusion device recyclable release can be corrected so that the operation time of the accident, reducing the risk of surgery and surgical operation more difficult.

附图说明 BRIEF DESCRIPTION

[0038]图1显示为本发明的可调式封堵装置的结构示意图。 [0038] FIG. 1 shows a schematic view of an adjustable occlusion device of the present invention.

[0039]图2显示为图1所示的可调式封堵装置的封堵器的第一种具体实施方式的结构示意图。 [0039] FIG. 2 shows a schematic structural view of a first particular embodiment of the occluder adjustable occlusion device shown in FIG. 1 embodiment.

[0040]图3显示为图1所示的可调式封堵装置的封堵器的第二种具体实施方式的结构示意图。 [0040] FIG. 3 shows a schematic structural view of a second specific embodiment of the occluder adjustable occlusion device shown in FIG. 1 embodiment.

[0041]图4显示为图1所示的可调式封堵装置的封堵器的第三种具体实施方式的结构示意图。 [0041] FIG. 4 shows a schematic structural view of a third specific embodiment of the occluder adjustable occlusion device shown in FIG. 1 embodiment.

[0042]图5显示为图1所示的可调式封堵装置的封堵器的第四种具体实施方式的结构示意图。 [0042] FIG. 5 shows a schematic structural view of a fourth specific embodiment of the occluder adjustable occlusion device shown in FIG. 1 embodiment.

[0043]图6显示为图1所示的可调式封堵装置的封堵器的第五种具体实施方式的结构示意图。 [0043] FIG. 6 shows a schematic structural view of a fifth specific embodiment of the occluder adjustable occlusion device shown in FIG. 1 embodiment.

[0044]图7a至图7b显示为图1所示的可调式封堵装置的封堵器的第六种具体实施方式的结构示意图。 [0044] Figures 7a to 7b show schematic structural view of a sixth specific embodiment of the occluder adjustable occlusion device shown in FIG. 1 embodiment.

[0045]图8a至图Sb显示为图1所示的可调式封堵装置的封堵器的第七种具体实施方式的结构示意图。 [0045] Figures 8a-Sb show schematic structural view of a seventh specific embodiment of the occluder adjustable occlusion device shown in FIG. 1 embodiment.

[0046]图9a至图9f显示为图1所示的可调式封堵装置的推送杆的第一种具体实施方式的结构示意图。 [0046] Figures 9a-9f show a schematic structure of a first particular embodiment of the adjustable occlusion device shown in FIG. 1 pushers embodiment.

[0047]图10显示为图1所示的可调式封堵装置的推送杆的第二种具体实施方式的结构示意图。 [0047] FIG. 10 shows a schematic structural view of a second specific embodiment of the adjustable occlusion device shown in FIG. 1 pushers embodiment.

[0048] 元件标号说明 [0048] DESCRIPTION OF REFERENCE NUMERALS element

[0049] I 封堵器 [0049] I occluder

[0050] 11 上盘片[0051 ] 12 下盘片 [0050] 11 on the disk [0051] 12 lower disc

[0052] 121 下盘片结扎套 [0052] The ligation cover disc 121

[0053] 13 弹性连接件 [0053] The elastic connection member 13

[0054] 131 弹簧 [0054] 131 spring

[0055] 132 弹簧限位头部 [0055] The spring retainer head 132

[0056] 133 管形网状编织结构 [0056] 133 shaped mesh weave structure

[0057] 134 编织结构结扎套 [0057] The woven structure ligation cover 134

[0058] 135 结扎套限位头部 [0058] The head portion 135 stopper sleeve ligation

[0059] 136 伸展翼 [0059] extending wings 136

[0060] 14 腰部[0061 ] 2 推送杆 [0060] waist 14 [0061] 2 pushers

[0062] 21 推送杆外壳 [0062] 21 Push rod housing

[0063] 22 推送杆内芯 [0063] 22 the push rod core

[0064] 23 夹扣 [0064] 23 clip

[0065] 3 输送鞘管 [0065] The delivery sheath 3

具体实施方式 Detailed ways

[0066]以下由特定的具体实施例说明本发明的实施方式,熟悉此技术的人士可由本说明书所揭露的内容轻易地了解本发明的其他优点及功效。 [0066] The following examples illustrate embodiments of the present invention consists of certain specific, those skilled in the art disclosed in this specification may be readily understand the content of other advantages and effects of the present invention.

[0067]请参阅图1至图10。 [0067] Please refer to FIGS. 1 to 10. 须知,本说明书所附图式所绘示的结构、比例、大小等,均仅用以配合说明书所揭示的内容,以供熟悉此技术的人士了解与阅读,并非用以限定本发明可实施的限定条件,故不具技术上的实质意义,任何结构的修饰、比例关系的改变或大小的调整,在不影响本发明所能产生的功效及所能达成的目的下,均应仍落在本发明所揭示的技术内容得能涵盖的范围内。 Information, the accompanying drawings of the present specification, the structure illustrated, the ratio, size, etc., are only used to fit the contents disclosed in the specification, for those skilled in the art reading and understanding, not intended to limit the present invention may be implemented defined conditions, it has not technically meaningful, modified, altered, or the ratio between the size of the adjustment of any structure, in the object without affecting the efficacy of the present invention can be produced and can be achieved, according to the present invention shall still fall within the scope of the technical contents disclosed enough to be covered. 同时,本说明书中所引用的如“上”、“下”、“左”、“右”、“中间”及“一”等的用语,亦仅为便于叙述的明了,而非用以限定本发明可实施的范围,其相对关系的改变或调整,在无实质变更技术内容下,当亦视为本发明可实施的范畴。 Meanwhile, cited in this specification as "upper", "lower", "left", "right", "intermediate" and "an" terms are also clear convenience of description only and not intended to limit the scope of the present invention may be implemented to change or adjust their relative relationships, no substantial changes in the technical content, the category may be considered also when the embodiment of the present invention.

[0068]如图1至图10所示,本发明提供一种可调式封堵装置,该封堵装置包括封堵器I和推送杆2,封堵器I包括上盘片11和下盘片12,上盘片11、下盘片12由形状记忆丝线网状编织而成,上盘片11和下盘片12之间设有弹性连接件13,弹性连接件13设有与上盘片11固定的固定端和穿过下盘片12的活动端,下盘片12的下方设有下盘片结扎套121,弹性连接件13的活动端穿过下盘片结扎套121与推送杆2可拆卸连接;推送杆2沿轴向拉动弹性连接件13,调节弹性连接件13在上盘片11和下盘片12之间的长度;推送杆2与弹性连接件13脱离时,弹性连接件13的活动端与下盘片结扎套121的相对位置保持不变。 [0068] As shown in FIG. 1 to FIG. 10, the present invention provides an adjustable closure means, the closure means comprises a push rod and an occluder I 2, I occluder disk 11 includes an upper and lower disc 12, upper disc 11, lower disc 12 woven wire mesh made of a shape memory, an elastic member 13 connected between the lower disc 11 and upper disc 12, the elastic member 13 is provided with a connector 11 on the disc a fixed end fixed and movable end passing through the disk 12, below the lower disc 12 is provided under disc ligation cover 121, the elastic member 13 connected to the movable end of the ligation cover 121 through the lower disc 2 with pushers can Removing the connection; push rod 2 is pulled axially elastic connecting member 13, adjusting the length of the elastic connecting member 13 between the upper disc 12 and lower disc 11; a push rod 2 when the elastic member 13 from the connector, the elastic member 13 is connected the active end positions relative to the lower disc ligation cover 121 remains unchanged. 上述封堵装置,通过推送杆2沿轴向拉动弹性连接件13,调节弹性连接件13在上盘片11和下盘片12之间的长度,从而调节上盘片11和下盘片12之间的夹持力,使封堵装置更稳定牢固,与病变位置贴合更良好,可以适应不同大小、不同长度的病变。 Occlusion device described above, the connecting member 13 via an axial push rod 2 is pulled along the elastic, resilient connector member 13 adjusting a length between upper disc 12 and lower disc 11, thereby adjusting the upper disc 12 and lower disc 11 of the clamping force between the more stable and secure the occlusion device, and lesion position better fit, can adapt to different sizes and different lengths of lesions.

[0069]如图2至图6所示,弹性连接件13为弹簧131。 [0069] As shown in FIG. 2 to FIG. 6, the elastic member 13 is connected to a spring 131. 其中,弹簧131的活动端设有弹簧限位头部132,弹簧限位头部132的外径大于下盘片结扎套121的内径。 Wherein the movable end of the spring 131 of the spring retainer is provided with a head 132, a head outer diameter of the spring retainer 132 is greater than the inner diameter of the sleeve 121 of the disk ligation. 弹簧限位头部132用于连接弹簧131与推送杆2,同时也使推送杆2与弹簧131脱离时,弹簧131不会缩回到下盘片结扎套121中去。 When the head of the spring retainer 131 and a spring 132 for connecting the push rod 2, but also to push the spring 131 from the lever 2, the disc spring 131 does not retract into the ligation cover 121 to go.

[0070] 如图2所示,上盘片11和下盘片12之间除了弹簧131连接外,还通过腰部14连接,腰部14由形状记忆丝线网状编织而成,将弹簧131围在中间。 [0070] As shown, the upper disc 11 and lower disc 12 in addition to the spring 131 between the connection 14 is connected through the waist, the waist 14 of a shape memory wire woven mesh 2, around the middle of the spring 131 . 这种设计使在调节上盘片11和下盘片12之间的间距时,既调节了上盘片11和下盘片12之间的夹持力,又调节了腰部14的直径,增加了腰部14固定在病变位置的稳定性。 This design allows the adjustment in the spacing between the lower disc 11 and upper disc 12, regulates both the upper disc 11 and the clamping force between the lower disc 12, and the diameter of the waist 14 is adjusted, increased stability of the lesion 14 is fixed at the waist position.

[0071]如图2至图6所示,弹簧131可为圆柱状标准弹簧、方形弹簧、椭圆弹簧或圆锥状弹簧等各种不同形状的弹簧,可以适应不同形态的病变,适应性更广。 [0071] As shown in FIG. 2 to FIG. 6, the spring 131 may be differently shaped cylindrical spring standard springs, square springs, oval or conical springs and other springs, can be adapted to different forms of lesions, wider adaptability.

[0072]如图7a至图Sb所示,弹性连接件13为管形网状编织结构133,管形网状编织结构133由形状记忆丝线网状编织而成。 [0072] Figures 7a to Sb, the elastic connecting member 13 is a tubular braided structure 133 mesh, the tubular braided structure 133 mesh woven wire mesh made of a shape memory. 其中,管形网状编织结构133的活动端设有编织结构结扎套134,编织结构结扎套134能穿过下盘片12插入下盘片结扎套121中,编织结构结扎套134远离管形网状编织结构133的一端设有结扎套限位头部135,结扎套限位头部135的外径大于下盘片结扎套121的内径,管形网状编织结构133靠近编织结构结扎套134的一端设有沿径向伸展的伸展翼136,伸展翼136的外径大于下盘片结扎套121的内径。 Wherein the active end of the tubular braided structure 133 is provided with a mesh knitted structure ligation cover 134, knit structure at the ligation cover 134 can be inserted through the disc 12 in the disc under the ligation cover 121, the woven structure 134 away from the tubular sleeve ligation network braided structure 133 is provided at one end ligation sleeve head stopper 135, the outer diameter of the head 135 of the stopper sleeve ligation diameter greater than ligation cover 121 of the lower disc, the tubular braided structure 133 mesh woven structure near the ligation cover 134 provided at one end extending radially extending wings 136, 136 of wings extending outside diameter larger than the inner sleeve 121 of the lower disc ligation.

[0073] 如图7a和图8a所示的封堵装置,其伸展翼136位于上盘片11与下盘片12之间,当需要调节上盘片11、下盘片12之间的夹持力时,将编织结构结扎套134、伸展翼136—起经下盘片结扎套121拉出至外部,由于伸展翼136由形状记忆丝线网状编织而成,当伸展翼136拉出至下盘片结扎套121的外部后,伸展翼136释放展开为原先设定的形状,杜绝了编织结构结扎套134再次回到下盘片结扎套121中的可能性;此时封堵装置的形状变为如图7b、图Sb所示,上盘片11、下盘片12之间的距离较之前有所变化,从而调节了上盘片11、下盘片12之间的夹持力。 Occlusion device [0073] Figure 7a and 8a, which is positioned between the extending wing 136 and the lower disk 11 on the disk 12, when the need to adjust the disc 11, lower disc 12 is sandwiched between the when the force, the woven structure ligation cover 134, wing extending from 136- pulled out to the outside through the lower disc ligation cover 121, since the wings 136 extend knitted wire mesh made of a shape memory, when the flap 136 extends out to the lower tray after ligation cover sheet 121 outside, extending wing 136 is released to expand the pre-set shape, eliminate the possibility of the braided structure ligation cover 134 to return to the ligation cover 121 in the disc; occlusion device at this time becomes the shape FIG. 7B, FIG Sb, the upper disc 11, lower disc 12 has a distance between changes than before, thereby adjusting the disc 11, the clamping force between the lower disc 12.

[0074] 如图9a至图10所示,推送杆2包括推送杆外壳21、推送杆内芯22,推送杆内芯22在推送杆外壳21的内腔内沿轴线移动或旋转,推送杆外壳21的端部与下盘片结扎套121可拆卸连接,推送杆内芯22的端部与弹性连接件13的活动端可拆卸连接。 [0074] Figures 9a to FIG. 10, the push rod 2 comprises a housing 21 a push rod, the push rod core 22, the push rod within the lumen of the inner core 22 moves along the axis or rotation of the push rod housing 21, push rod housing the lower end portion 121 of the disk ligation cover 21 is detachably connected to the inner end portion of the push rod and the resilient core 22 is connected to the movable end piece 13 is detachably connected. 其中,推送杆外壳21的端部与下盘片结扎套121螺纹连接。 Wherein, the push rod 21 is connected to the housing end portion and the lower disk 121 threaded sleeve ligation. 如图9a至图9f所示,推送杆内芯22的端部与弹性连接件13的活动端通过夹扣23连接;如图1O所示,推送杆内芯22的端部与弹性连接件13的活动端螺纹连接。 Figures 9a to 9f, the inner end portion of the push rod and the resilient core 22 is connected to the movable end piece 13 by a snap connection 23; FIG 1O, the inner end portion of the resilient core 22 is connected to the push rod member 13 the movable end a threaded connection.

[0075] 使用上述可调式封堵装置的释放方法,主要包括以下步骤: [0075] The method using the release adjustable occlusion device, mainly comprising the steps of:

[0076] I)将推送杆2与封堵器I连接,拉动推送杆2,将封堵器I拉入输送鞘管3内,其具体包括以下步骤, [0076] I) the push rod 2 is connected occluder I, the push rod 2 is pulled, the pull-I occluder within the delivery sheath 3, which includes the following steps,

[0077]①将弹性连接件13的活动端与推送杆内芯22的端部连接,如图9a至图9c所示的弹性连接件13的活动端与推送杆内芯22的端部通过夹扣23连接,如图10所示的弹性连接件13的活动端与推送杆内芯22的端部通过螺纹连接; The inner core and the movable end of the push rod [0077] ① elastic connecting member 13 is connected to the end 22, shown in Figure 9a through 9c of the resilient end portion of the inner core and the movable end of the push rod connecting member 22 through a clamp 13 buckle 23 is connected, as shown in Figure 10 resilient member connecting end portions 13 and the free end of the inner core push rod 22 is connected by a screw;

[0078]②将推送杆内芯22连同弹性连接件13的活动端一起拉入推送杆外壳21中,如图9d所示; [0078] ② the push rod 22, together with the active end of the resilient core member 13 is connected to the pull-in housing with pushers 21, as shown in FIG 9D;

[0079]③将推送杆外壳21与下盘片结扎套121固定连接,如图9d所示; [0079] ③ push rod 121 is fixed to the housing 21 is connected to the lower disc ligation cover, shown in FIG. 9d;

[0080]④推送杆内芯22连同弹性连接件13的活动端,在推送杆外壳21的空腔内沿轴线移动或旋转,调节弹性连接件13在上盘片11和下盘片12之间的长度,如图9e所示; [0080] ④ push rod 22 together with the core member connected to the resilient movable end 13, within the cavity along the axis of rotation or movement of the push rod housing 21, regulating the elastic member 13 connected between the upper disc 11 and lower disc 12 the length, as shown in FIG 9e;

[0081]⑤拉动推送杆2,将封堵器I拉入输送鞘管3内; [0081] ⑤ push rod 2 is pulled, the pull-I occluder delivery sheath 3;

[0082] 2)通过输送鞘管3,将封堵器I送至病变位置; [0082] 2) through a delivery sheath 3, the occluder to the lesion position I;

[0083] 3)推送推送杆外壳21,将上盘片11释放; [0083] 3) housing the push rod 21 pushes the upper disk 11 is released;

[0084] 4)同时推送推送杆外壳21与推送杆内芯22,释放弹性连接件13; [0084] 4) while pushing the push rod 21 and the push rod housing core 22, the elastic connecting member 13 is released;

[0085] 5)推送杆内芯22保持不动,推送推送杆外壳21,下盘片12部分释放; [0085] 5) a push rod within the core 22 remains stationary, the push rod pushes the housing 21, lower disc 12 is partially released;

[0086] 6)将推送杆外壳21与下盘片结扎套121分离; [0086] 6) a push rod separated from the lower housing 21,121 ligation cover disc;

[0087] 7)观察封堵器I是否稳定牢固,若有需要,调节弹性连接件13在上盘片11和下盘片12之间的长度;其中,调节弹性连接件13在上盘片11和下盘片12之间的长度的过程包括以下步骤, [0087] 7) Observation whether I occluder high stability, if necessary, adjust the length of the elastic member 13 connected between the upper disc 11 and lower disc 12; wherein the elastic regulating member 13 is connected on the disk 11 and the length of the process between the lower disc 12 includes the following steps,

[0088]①将推送杆外壳21前推,使推送杆内芯22与弹性连接件13回收到推送杆外壳21的内腔内; [0088] ① before the push rod 21 pushes the housing, the inner core 22 so that the push rod connecting member 13 and the elastic recovery of the pushers 21, the inner cavity of the housing;

[0089]②将推送杆外壳21与下盘片结扎套121固定连接; [0089] ② push rod 121 is fixed to the housing 21 is connected to the lower disc ligation cover;

[0090]③将推送杆内芯22及弹性连接件13的活动端一起在推送杆外壳21的空腔内沿轴线移动或旋转,调节弹性连接件13在上盘片11和下盘片12之间的长度; [0090] ③ inner core push rod 22 and the free end of the elastic member 13 is connected with the cavity of the housing 21 along the axis of rotation of the push rod to move or adjust the elastic member 13 connected to the upper disc 11 and lower disc 12 of the length between;

[0091]④将推送杆外壳21与下盘片结扎套121分离。 [0091] ④ the push rod 21 and the lower disc ligation cover 121 of the housing separated.

[0092] 8)抽回推送杆外壳21,推送杆内芯22与弹性连接件13外露且完全释放; [0092] 8) a push rod housing 21 is withdrawn, the push rod 22 and the inner core is exposed and the elastic connecting member 13 is completely released;

[0093] 9)将推送杆内芯22与弹性连接件13的活动端分离,此时,若弹性连接件13为如图9f所示的弹簧131时,则弹簧131留在下盘片结扎套121外部的部分自动卷曲,不会再往下盘片结扎套121内缩回,若弹性连接件13为如图10所示的管形网状编织结构133,则伸展翼136杜绝了管形网状编织结构133缩回的可能性。 [0093] 9) a push rod separated from the inner core 22 and the free end of the resilient member 13 is connected, in which case, if the elastic member 13 is connected to a spring 131 as shown in FIG. 9F, the lower disc spring 131 remain ligation cover 121 the outer part of the automatic crimping, will not be retracted into the sleeve 121 down disc ligation, if the elastic member 13 connected to tubular braided mesh structure as shown in FIG. 10 133, the extended wings 136 prevent the tubular mesh the possibility of the braided structure 133 is retracted.

[0094]上述方法中,若封堵器I如图2所示,则在释放或收回弹性连接件13的同时,也一起释放或收回腰部14。 [0094] The above-described method, when the occluder I 2, while the retracted or release elastic connection member 13, 14 is also released or retracted along the waist.

[0095]综上所述,本发明可调式封堵装置及释放方法,通过调节弹性连接件在上盘片和下盘片之间的长度,达到调节上盘片和下盘片之间的夹持力的目的,使封堵装置更稳定牢固,与病变位置贴合更良好,可以适应不同大小、不同长度的病变,同时该可调式封堵装置的可回收再释放性使得手术发生意外时可以纠正,降低了手术风险和手术操作难度。 [0095] In summary, the present invention is adjustable occlusion device and delivery method, the connection between the disc and the lower disc by adjusting the length of the elastic achieve interposed between the adjusting disc and the lower disc when the holding force of the object can make more stable and secure the occlusion device, and lesion position better fit, can adapt to different sizes and different lengths of the lesion, while the adjustable occlusion device such recyclable releasing accident surgery correction, reducing the risk of surgery and surgical operations difficult. 所以,本发明有效克服了现有技术中的种种缺点而具高度产业利用价值。 Therefore, the present invention effectively overcomes the drawbacks of the prior art and with a high degree of value industry.

[0096]上述实施例仅例示性说明本发明的原理及其功效,而非用于限制本发明。 [0096] the above-described embodiments are only to illustrate the principle and efficacy of the present invention, the present invention is not intended to be limiting. 任何熟悉此技术的人士皆可在不违背本发明的精神及范畴下,对上述实施例进行修饰或改变。 Any person skilled in this art can be made at without departing from the spirit and scope of the present invention, the above-described embodiments can be modified or changed. 因此,举凡所属技术领域中具有通常知识者在未脱离本发明所揭示的精神与技术思想下所完成的一切等效修饰或改变,仍应由本发明的权利要求所涵盖。 Thus, one skilled in the art that whenever all having ordinary knowledge in the technical ideas and spirit of the present invention is disclosed without departing from the completed equivalent modified or altered, yet the claims shall be encompassed by the present invention.

Claims (4)

1.一种可调式封堵装置,其特征在于:所述封堵装置包括封堵器(I)和推送杆(2),所述封堵器(I)包括上盘片(11)和下盘片(12),所述上盘片(11)、下盘片(12)由形状记忆丝线网状编织而成,所述上盘片(11)和下盘片(12)之间设有弹性连接件(13),所述弹性连接件(13)设有与所述上盘片(11)固定的固定端和穿过所述下盘片(12)的活动端,所述下盘片(12)的下方设有下盘片结扎套(121),所述弹性连接件(13)的活动端穿过所述下盘片结扎套(121)与推送杆(2)可拆卸连接;所述推送杆(2)沿轴向拉动所述弹性连接件(13),调节所述弹性连接件(13)在所述上盘片(11)和下盘片(12)之间的长度;所述推送杆(2)与弹性连接件(13)脱离时,所述弹性连接件(13)的活动端与所述下盘片结扎套(121)的相对位置保持不变; 所述弹性连接件(13)为管形网状编织结构(133),所述管形网状编织结构(133)由形状记忆丝线网 An adjustable occlusion device, characterized in that: said closure means comprises a closure device (I) and a push rod (2), the occluder (I) comprising the disc (11) and a lower the disk (12), said upper disk (11), the disc (12) knitted wire mesh made of a shape memory, is provided between the upper disc (11) and a lower disk (12) the resilient connecting member (13), said elastic connecting member (13) is provided with the upper disc (11) fixed through the fixed end and the lower disc (12) of the movable end of the lower disc the bottom (12) is provided with a lower disc ligation cover (121), said elastic connecting member (13) through the moveable end of the ligation cover disc (121) and the push rod (2) is detachably connected; the said push rod (2) axially pulling said resilient connecting member (13), between the adjusting the length (12) of said elastic connecting member (13) in the upper disc (11) and lower disc; the when said push rod (2) is connected with the elastic member (13) is disengaged, the movable end of the elastic connecting member (13) relative to the position of the lower disc ligation sleeve (121) remains unchanged; the resilient connection member (13) braided mesh tubular structure (133), said tubular woven mesh structure (133) of a shape memory wire mesh 编织而成;所述管形网状编织结构(133)的活动端设有编织结构结扎套(134),所述编织结构结扎套(134)能穿过所述下盘片(12)插入下盘片结扎套(121)中,所述编织结构结扎套(134)远离所述管形网状编织结构(133)的一端设有结扎套限位头部(135),所述结扎套限位头部(135)的外径大于所述下盘片结扎套(121)的内径,所述管形网状编织结构(133)靠近所述编织结构结扎套(134)的一端设有沿径向伸展的伸展翼(136),所述伸展翼(136)的外径大于所述下盘片结扎套(121)的内径。 Woven; mesh weave of the tubular structure (133) is provided with a movable end ligation sleeve woven structure (134), said woven structure ligation cover (134) can pass through the lower disc (12) inserted into the lower ligation disk sets (121), the woven structure ligation sleeve (134) remote from said one end of the tubular braided mesh structure (133) is provided with a stopper head ligation sleeve (135), said sleeve stop ligation the inner diameter of the outer diameter of the head (135) is greater than the lower disc ligation cover (121), said tubular woven mesh structure (133) near one end of the woven structure ligation sleeve (134) is provided with radially extension extending wings (136), an outer diameter of said extending wings (136) is larger than the inner disc ligation cover (121) of the lower.
2.根据权利要求1所述的可调式封堵装置,其特征在于:所述推送杆(2)包括推送杆外壳(21)、推送杆内芯(22),所述推送杆内芯(22)在所述推送杆外壳(21)的内腔内沿轴线移动或旋转,所述推送杆外壳(21)的端部与下盘片结扎套(121)可拆卸连接,所述推送杆内芯(22)的端部与弹性连接件(13)的活动端可拆卸连接。 2. The adjustable occlusion device according to claim 1, wherein: said push rod (2) comprises a push rod housing (21), a push rod within the core (22), said inner core push rod (22 ) within the lumen along the axis of rotation or movement of the push rod housing (21), the push rod housing (21) and the lower end portion of the disk ligation cover (121) detachably connected to the push rod core (22) connected to an end portion of the elastic member (13) is detachably connected to the movable end.
3.根据权利要求2所述的可调式封堵装置,其特征在于:所述推送杆外壳(21)的端部与下盘片结扎套(121)螺纹连接。 3. adjustable occlusion device of claim 2, wherein: the housing (21) and the lower end portion of the ligation cover disc (121) connected to the push rod threaded.
4.根据权利要求2所述的可调式封堵装置,其特征在于:所述推送杆内芯(22)的端部与弹性连接件(13)的活动端螺纹连接或通过夹扣(23)连接。 4. The adjustable occlusion device of claim 2, wherein: said push rod core (22) connected to an end portion of the elastic member (13) by screwing or movable end of the clip (23) connection.
CN201510026530.8A 2015-01-19 2015-01-19 Adjustable closure device and method of releasing CN104546054B (en)

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