WO2017193620A1 - 可弯曲的穿刺鞘 - Google Patents

可弯曲的穿刺鞘 Download PDF

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Publication number
WO2017193620A1
WO2017193620A1 PCT/CN2017/070734 CN2017070734W WO2017193620A1 WO 2017193620 A1 WO2017193620 A1 WO 2017193620A1 CN 2017070734 W CN2017070734 W CN 2017070734W WO 2017193620 A1 WO2017193620 A1 WO 2017193620A1
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WO
WIPO (PCT)
Prior art keywords
sheath
puncture
delivery
puncture sheath
handle
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Application number
PCT/CN2017/070734
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English (en)
French (fr)
Inventor
刘云奇
殷胜利
郭少成
杨习锋
曾晨光
张希
Original Assignee
广州新诚生物科技有限公司
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Application filed by 广州新诚生物科技有限公司 filed Critical 广州新诚生物科技有限公司
Publication of WO2017193620A1 publication Critical patent/WO2017193620A1/zh

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34—Trocars; Puncturing needles

Definitions

  • the present invention relates to a cardiac occluder puncture sheath, and more particularly to a simple structure, convenient operation, convenient delivery of the sheath to the location of the heart defect, and convenient for the physician to accurately locate the spatial angle of the heterogeneous heart defect.
  • the bendable puncture sheath is a simple structure, convenient operation, convenient delivery of the sheath to the location of the heart defect, and convenient for the physician to accurately locate the spatial angle of the heterogeneous heart defect.
  • the present invention provides a flexible puncture sheath which is simple in structure, convenient in operation, convenient in conveying the sheath to quickly reach the position of the heart defect, and convenient for the physician to accurately locate the spatial angle of the shaped heart defect, and includes the conveying sheath a handle, a delivery sheath, a puncture sheath and a puncture sheath base, the delivery sheath handle is tubular, the delivery sheath is tubular, the left end of the delivery sheath is connected to the delivery sheath handle, and the puncture sheath is connected to the puncture sheath base, and the puncture sheath is worn
  • the inner lumen of the delivery sheath handle extends into the delivery sheath and is further characterized by a spring and a puncture sheath tip, the spring being coupled between the right end of the puncture sheath and the tip end of the puncture sheath.
  • the tip end of the puncture sheath core has a bullet shape, and the left end is a large end.
  • the utility model further includes a traction rope, the piercing sheath base is provided with a guiding hole, one end of the traction rope is connected to the right end of the spring, and the other end thereof passes through the inside of the conveying sheath in sequence.
  • Cavity, loss The inner cavity of the sheathing handle and the guiding hole of the piercing sheath base.
  • the housing further includes a mounting groove formed in the middle of the housing, and the housing is provided with a communication slot for connecting the guiding hole of the piercing sheath base and the mounting slot, the shell
  • the shaft is provided with a shaft pin corresponding to the position of the mounting groove, the shaft pin is sleeved with a dialing wheel rotatable therearound, and the dialing wheel is provided with a winding portion, and the other end of the bowing I rope is connected through The slot is connected to the dial wheel.
  • At least one positioning hole is disposed at a left end portion of the dial wheel, and an inner wall of the housing is provided with a plunger body respectively engageable with the position of the positioning hole .
  • the positioning holes are at least two, and all the positioning holes are annularly distributed.
  • a spring is disposed between the pin hole and the dial wheel.
  • a level is provided on the handle of the delivery sheath.
  • the length direction of the level is perpendicular to the longitudinal direction of the delivery sheath.
  • the bendable puncture sheath provided by the present invention has the following advantages compared with the prior art:
  • the right end of the puncture sheath of the puncture sheath of the cardiac occluder of the present invention is provided with a spring and a tip end of the puncture sheath core.
  • the toughness of the spring can be used to assist the tip of the sheath core.
  • the direction of the advancement is automatically changed to facilitate the distal end of the delivery sheath to quickly reach the defect of the heart; in addition, the tip of the puncture sheath core is bullet-shaped, which can greatly reduce the friction with the patient tissue and reduce the suffering of the patient.
  • the spring of the puncture sheath of the cardiac occluder of the present invention is connected with a traction rope.
  • the traction rope can facilitate the physician to actively change the bending direction of the spring according to the resistance during the traveling process, thereby further reducing the tissue organization with the patient. Friction, reducing the pain of the patient;
  • the utility model facilitates the doctor to operate the direction of advancement of the puncture sheath by dialing the wheel; further, the cooperation of the positioning hole and the plunger body facilitates the physician to maintain the puncture sheath at a certain angle.
  • the heart occluder of the present invention is provided with a leveling device.
  • the level of the plane of the heart defect can be determined by the level meter, which facilitates subsequent sealing. Control of the delivery angle of the device.
  • FIG. 1 is a schematic structural view of a puncture sheath of a cardiac occluder according to the present invention
  • FIG. 2 is a partial cross-sectional view of the puncture sheath of the cardiac occluder of the present invention
  • FIG 3 is a schematic structural view of a guide member of the present invention.
  • the cardiac occluder puncture sheath of the present invention includes a delivery sheath handle 1, a connector 2, a delivery sheath 3, a puncture sheath base 4, a puncture sheath 5, a spring 6, and a puncture
  • the delivery sheath handle 1 is disposed in a lateral direction, and the delivery sheath handle 1 is tubular, and the left and right ends thereof are provided with a fistula, and the right end outer wall of the delivery sheath handle 1 is provided with a first connection portion.
  • the connecting head 2 is provided with a through hole 21 penetrating therethrough in the middle, and the connecting head 2 and the first connecting portion of the conveying sheath handle 1 are connected by a thread, a snap or other detachable connection.
  • the delivery sheath 3 is fixedly mounted in the through hole 21 of the connector 2, the delivery sheath 3 is tubular, and the delivery sheath 3 is disposed in the left-right direction, and a delivery passage for the occluder is established in the surgical channel by the delivery sheath 3.
  • the second end portion is provided at the right end portion of the puncture sheath base 4, and the puncture sheath base 4 is provided with a guide hole 41 penetrating therethrough.
  • the puncture sheath 5 is disposed in the left-right direction, and the left end of the puncture sheath 5 and the second connecting portion of the puncture sheath base 4 are connected by a thread, a buckle or other detachable connection, and the puncture sheath 5 sets It is provided in the inner cavity of the delivery sheath 3.
  • the spring 6 is disposed in the left-right direction, and the left end of the spring 6 is fixedly coupled to the right end portion of the puncture sheath 5.
  • the puncture sheath core tip 7 is disposed in the left-right direction, and the right end portion of the puncture sheath core tip 7 is in the shape of a bullet, and the left end is a large end, and the left end of the puncture sheath core tip 7 is fixedly connected to the spring 6. Right end.
  • the guide member 8 includes a housing 81, a toggle wheel 82, a traction rope 83, a plunger body 84, and a spring 85, wherein
  • the housing 81 is fixedly connected to the puncture sheath base 4, and a mounting groove 811 is formed in the middle of the housing 81, and the housing 81 is disposed There is a communication groove 812 for connecting the guiding hole 41 of the puncture sheath base 4 and the mounting groove 811.
  • the housing 81 is provided with a shaft pin 813 corresponding to the position of the mounting groove 811, and the shaft pin 813 is distributed in the left-right direction;
  • the outer wall of the left end of the dialing wheel 82 is provided with a winding portion 821.
  • the left end of the dialing wheel 82 is recessed inwardly to form a pin hole 822 that cooperates with the positioning post 813.
  • the outer wall of the right end of the dialing wheel 82 is provided with a ringing movement.
  • the rib 823, the left end of the dialing wheel 82 is provided with a positioning hole 824, and all the positioning holes 824 are circularly distributed;
  • One end of the traction cord 83 is fixedly coupled to the winding portion 821 of the dial wheel 82, and the other end thereof is sequentially connected to the right end of the spring 6 through the communication groove 812 of the housing 81 and the guide hole 41 of the piercing sheath base 4
  • the bowing I rope 83 may be part of the spring 6;
  • the plunger body 84 is disposed in the mounting groove 811 of the housing 81 corresponding to the position of the positioning hole 824 of each of the dialing wheels 82. During the rotation of the dialing wheel 82 about the shaft pin 813, the plunger body 84 can be snapped into each of the positioning holes 82 4 at a time.
  • the left end of the spring 85 is fixedly connected to the inner wall of the housing 81.
  • the right end of the spring 85 is sleeved in the pin hole 82 2 of the dialing wheel 82, and the outer wall of the shaft pin 813 is sleeved, and the corresponding position of the plunger body 84 is disengaged.
  • the dial wheel 82 rotates in the direction of the torsion of the spring 85 (opposite to the twisting direction of the spring 85).
  • the level 9 is disposed above the delivery sheath handle 1, and the length direction of the level 9 is perpendicular to the longitudinal direction of the delivery sheath 3. When the patient's heart defect is irregular, the level 9 can be used to determine the plane of the heart defect. The direction of the space.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pathology (AREA)
  • Surgical Instruments (AREA)

Abstract

一种结构简单，操作方便，方便输送鞘（3）快速到达心脏缺损位置，且方便医师准确定位异形心脏缺损的空间角度的可弯曲的穿刺鞘，它包括输送鞘手柄（1）、输送鞘（3）、穿刺鞘管（5）、穿刺鞘基座（4）、弹簧（6）、穿刺鞘管芯尖端（7）和牵引绳（83），输送鞘手柄（1）呈管状，输送鞘（3）呈管状，输送鞘（3）的左端连接输送鞘手柄（1），穿刺鞘管（5）左端连接穿刺鞘基座（4），穿刺鞘管（5）穿过输送鞘手柄（1）的内腔而伸入到输送鞘（3）内，弹簧（6）连接在穿刺鞘管（5）的右端与穿刺鞘管芯尖端（7）之间，穿刺鞘管芯尖端（7）呈子弹头状，其左端为大端，穿刺鞘基座（4）设置有导向孔（41），牵引绳（83）的一端连接至所述弹簧（6）的右端，其另一端依次穿过输送鞘（3）的内腔、输送鞘手柄（1）的内腔和穿刺鞘基座（4）的导向孔（41）。

Description

说明书 发明名称：可弯曲的穿刺鞘
技术领域
[0001] 本实用新型涉及一种心脏封堵器穿刺鞘， 更具体地说， 涉及一种结构简单， 操 作方便， 方便输送鞘快速到达心脏缺损位置， 且方便医师准确定位异形心脏缺 损的空间角度的可弯曲的穿刺鞘。
背景技术
[0002] 目前的心脏封堵器穿刺鞘， 由于微创手术中的心脏缺损处不大， 在治疗吋， 需 要医护人员准确快速的插入封堵器， 避免多次插入， 给患者造成痛苦， 因穿刺 过程中方向是难以把握的， 有吋会出现微调方向， 此吋一种在穿刺过程中具有 调整方向的功能的设备是十分必要的； 心脏的缺损形状一般是不规则的， 封堵 器在输送到缺损处吋往往不能对应缺损的形状快速安装， 还需要慢慢的调整合 适的角度， 延长的治疗的吋间， 增加了手术的风险， 在封堵器输送前能快速调 整到对应的位置是十分必要的， 既可以缩短治疗的吋间， 也可以提高准确性。 技术问题
[0003] 针对以上问题， 本实用新型提供一种结构简单， 操作方便， 方便输送鞘快速到 达心脏缺损位置， 且方便医师准确定位异形心脏缺损的空间角度的可弯曲的穿 刺鞘， 它包括输送鞘手柄、 输送鞘、 穿刺鞘和穿刺鞘基座， 所述输送鞘手柄呈 管状， 所述输送鞘呈管状， 输送鞘的左端连接输送鞘手柄， 所述穿刺鞘连接穿 刺鞘基座， 穿刺鞘穿过输送鞘手柄的内腔而伸入到输送鞘内， 其特征在于， 还 包括弹簧和穿刺鞘管芯尖端， 所述弹簧连接在穿刺鞘管的右端与穿刺鞘管芯尖 端之间。
问题的解决方案
技术解决方案
[0004] 为进一步实现本实用新型， 所述穿刺鞘管芯尖端呈子弹头状， 其左端为大端。
[0005] 为进一步实现本实用新型， 还包括牵引绳， 所述穿刺鞘基座设置有导向孔， 所 述牵引绳的一端连接至所述弹簧的右端， 其另一端依次穿过输送鞘的内腔、 输 送鞘手柄的内腔和穿刺鞘基座的导向孔。
[0006] 为进一步实现本实用新型， 还包括壳体， 所述壳体的中间形成有安装槽， 壳体 上设置有用于连通穿刺鞘基座的导向孔与所述安装槽的连通槽， 壳体对应于安 装槽的位置设置有轴销， 所述轴销上套设有可绕其旋转的拨动轮， 拨动轮上设 置有缠绕部， 所述牵弓 I绳的另一端穿过连通槽而连接至拨动轮。
[0007] 为进一步实现本实用新型， 所述拨动轮的左端端部设置有至少一个定位孔， 所 述壳体的内壁对应于所述定位孔的位置设置有可分别与其配合的柱塞体。
[0008] 为进一步实现本实用新型， 所述定位孔为至少两个， 所有定位孔呈环形分布。
[0009] 为进一步实现本实用新型， 所述销孔与拨动轮之间设置有弹簧。
[0010] 为进一步实现本实用新型， 所述输送鞘手柄上设置有水平仪。
[0011] 为进一步实现本实用新型， 所述水平仪的长度方向与输送鞘的长度方向相垂直 发明的有益效果
有益效果
[0012] 本实用新型提供的可弯曲的穿刺鞘同现有技术相比， 具有如下优点：
[0013] 1、 本实用新型的心脏封堵器穿刺鞘的穿刺鞘的右端依次设置弹簧和穿刺鞘管 芯尖端， 在定位输送鞘的吋候， 利用弹簧的韧性， 可以协助穿刺鞘管芯尖端自 动改变前进方向， 方便输送鞘的远端快速到达心脏缺损的部位； 另外， 穿刺鞘 管芯尖端呈子弹头状， 可以极大的降低与患者组织的摩擦， 减少患者的痛苦。
[0014] 2、 本实用新型的心脏封堵器穿刺鞘的弹簧上连接有牵引绳， 利用牵引绳可以 方便医师根据行进过程中的阻力的大小主动改变弹簧的弯曲方向， 进一步降低 与患者组织的摩擦， 减少患者的痛苦； 另外， 本实用新型通过拨动轮， 方便医 师操作穿刺鞘的前进方向； 再有， 通过定位孔和柱塞体的配合， 方便医师保持 穿刺鞘在某种确定的角度。
[0015] 3、 本实用新型的心脏封堵器穿刺鞘设置有水平仪， 当患者心脏缺损为异形 （ 不规则形状） 的吋候， 利用水平仪可以确定心脏缺损所在平面的空间方向， 方 便后续封堵器的送达角度的控制。
对附图的简要说明 附图说明
[0016] 图 1为本实用新型的心脏封堵器穿刺鞘的结构示意图；
[0017] 图 2为本实用新型的心脏封堵器穿刺鞘的局部剖视示意图；
[0018] 图 3为本实用新型的导向件的结构示意图。
实施该发明的最佳实施例
本发明的最佳实施方式
[0019] 为了使本实用新型的目的、 技术方案及优点更加清楚明白， 以下结合附图对本 实用新型进一步详细说明， 其中， 本实用新型的方向以图 1为标准。
[0020] 如图 1和 2所示， 本实用新型的心脏封堵器穿刺鞘包括输送鞘手柄 1、 连接头 2、 输送鞘 3、 穿刺鞘基座 4、 穿刺鞘管 5、 弹簧 6、 穿刺鞘管芯尖端 7、 导向件 8和水 平仪 9， 其中：
[0021] 输送鞘手柄 1呈横向设置， 输送鞘手柄 1呈管状， 其左右两端呈幵口设置， 输送 鞘手柄 1的右端外壁设置有第一连接部。
[0022] 连接头 2的中间设置有左右贯通的通孔 21， 连接头 2与输送鞘手柄 1的第一连接 部之间采用螺纹、 卡扣或者其他可拆卸的连接方式连接。
[0023] 输送鞘 3固定安装在连接头 2的通孔 21内， 输送鞘 3呈管状， 输送鞘 3呈左右方向 设置， 利用输送鞘 3在手术通道内建立一个封堵器的输送通道。
[0024] 穿刺鞘基座 4的右端端部设置有第二连接部， 穿刺鞘基座 4上设置有左右贯通的 导向孔 41。
[0025] 穿刺鞘管 5呈左右方向设置， 穿刺鞘管 5的左端与穿刺鞘基座 4的第二连接部之 间采用螺纹、 卡扣或者其他可拆卸的连接方式连接， 穿刺鞘管 5套设在输送鞘 3 的内腔中。
[0026] 弹簧 6呈左右方向设置， 弹簧 6的左端固定连接穿刺鞘管 5的右端端部。
[0027] 穿刺鞘管芯尖端 7呈左右方向设置， 穿刺鞘管芯尖端 7的右端端部呈子弹头状， 其左端为大端， 穿刺鞘管芯尖端 7的左端端部固定连接弹簧 6的右端。
[0028] 如图 3所示， 导向件 8包括壳体 81、 拨动轮 82、 牵引绳 83、 柱塞体 84和弹簧 85， 其中，
[0029] 壳体 81固定连接穿刺鞘基座 4， 壳体 81的中间形成有安装槽 811， 壳体 81上设置 有用于连通穿刺鞘基座 4的导向孔 41与安装槽 811的连通槽 812， 壳体 81对应于安 装槽 811的位置设置有轴销 813， 轴销 813呈左右方向分布；
[0030] 拨动轮 82的左端外壁设置有缠绕部 821， 拨动轮 82的左端端面向内凹陷形成有 与定位柱 813配合的销孔 822， 拨动轮 82的右端外壁设置有一圈拨动齿纹 823， 拨 动轮 82的左端端部设置有一圈定位孔 824， 所有定位孔 824呈圆形分布；
[0031] 牵引绳 83的一端固定连接拨动轮 82的缠绕部 821， 其另一端依次穿过壳体 81的 连通槽 812和穿刺鞘基座 4的导向孔 41而连接至弹簧 6的右端端部， 牵弓 I绳 83可以 为弹簧 6的一部分；
[0032] 柱塞体 84设置在壳体 81的安装槽 811内对应于每个拨动轮 82定位孔 824的位置， 拨动轮 82在以轴销 813为轴旋转的过程中， 柱塞体 84可以一次卡入每个定位孔 82 4内。
[0033] 弹簧 85的左端固定连接壳体 81的内壁， 弹簧 85的右端套设在拨动轮 82的销孔 82 2内， 且套住轴销 813的外壁， 在柱塞体 84脱离对应定位孔 824的吋候， 拨动轮 82 在弹簧 85的扭力下方向旋转 （与弹簧 85的扭曲方向相反） 。
[0034] 水平仪 9设置在输送鞘手柄 1之上， 水平仪 9的长度方向与输送鞘 3的长度方向相 垂直， 当患者心脏缺损为不规则形状的吋候， 利用水平仪 9可以确定心脏缺损所 在平面的空间方向。
[0035] 上面所述的实施例仅仅是对本实用新型的优选实施方式进行描述， 并非是对本 实用新型的范围进行限定， 在不脱离本实用新型设计精神前提下， 本领域普通 工程技术人员对本实用新型技术方案做出的任何变形和改进， 均应落入本实用 新型的权利要求书确定的保护范围内。

Claims

权利要求书
一种可弯曲的穿刺鞘， 它包括输送鞘手柄、 输送鞘、 穿刺鞘和穿刺鞘 基座， 所述输送鞘手柄呈管状， 所述输送鞘呈管状， 输送鞘的左端连 接输送鞘手柄， 所述穿刺鞘左端连接穿刺鞘基座， 穿刺鞘穿过输送鞘 手柄的内腔而伸入到输送鞘内， 其特征在于， 还包括弹簧和穿刺鞘管 芯尖端， 所述弹簧连接在穿刺鞘管的右端与穿刺鞘管芯尖端之间。 根据权利要求 1所述的可弯曲的穿刺鞘， 其特征在于， 所述穿刺鞘管 芯尖端呈子弹头状， 其左端为大端。
根据权利要求 1所述的可弯曲的穿刺鞘， 其特征在于， 还包括牵引绳
， 所述穿刺鞘基座设置有导向孔， 所述牵引绳的一端连接至所述弹簧 的右端， 其另一端依次穿过输送鞘的内腔、 输送鞘手柄的内腔和穿刺 鞘基座的导向孔。
根据权利要求 3所述的可弯曲的穿刺鞘， 其特征在于， 还包括壳体， 所述壳体的中间形成有安装槽， 壳体上设置有用于连通穿刺鞘基座的 导向孔与所述安装槽的连通槽， 壳体对应于安装槽的位置设置有轴销 ， 所述轴销上套设有可绕其旋转的拨动轮， 拨动轮上设置有缠绕部， 所述牵引绳的另一端穿过连通槽而连接至拨动轮。
根据权利要求 4所述的可弯曲的穿刺鞘， 其特征在于， 所述拨动轮的 左端端部设置有至少一个定位孔， 所述壳体的内壁对应于所述定位孔 的位置设置有可分别与其配合的柱塞体。
根据权利要求 5所述的可弯曲的穿刺鞘， 其特征在于， 所述定位孔为 至少两个， 所有定位孔呈环形分布。
根据权利要求 4所述的可弯曲的穿刺鞘， 其特征在于， 所述销孔与拨 动轮之间设置有弹簧。
根据权利要求 1所述的可弯曲的穿刺鞘， 其特征在于， 所述输送鞘手 柄上设置有水平仪。
根据权利要求 1所述的可弯曲的穿刺鞘， 其特征在于， 所述水平仪的 长度方向与输送鞘的长度方向相垂直。
PCT/CN2017/070734 2016-05-13 2017-01-10 可弯曲的穿刺鞘 WO2017193620A1 (zh)

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CN110772304B (zh) * 2018-07-31 2022-03-18 江苏风和医疗器材股份有限公司 一种穿刺器外壳及穿刺器
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