WO2019210856A1 - 一种十二指肠内置空肠套管释放系统及其使用方法 - Google Patents
一种十二指肠内置空肠套管释放系统及其使用方法 Download PDFInfo
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Abstract
Description
Claims (10)
- 一种十二指肠内置空肠套管释放系统,包括植入装置、推送组件、固定线(30)和释放线(50),其特征在于,植入装置包括收纳管壳(40)、释放体(10)、膜管(20)和支架(60),收纳壳体为管状,收纳管壳具有一近端开口和一远端开口,待释放的膜管(20)和支架(60)呈折叠状态设置在收纳壳体(40)中,膜管(20)近端与支架(60)远端连接,释放体(10)设置在收纳管壳(40)的远端开口处与膜管(20)远端连接;推送组件包括由内往外依次套设并且相互之间能够相对运动的推拉导丝(74)、内管(73)、中管(72)和外管(71),所述推拉导丝(74)的远端顶住释放体(10);所述内管(73)一部分位于所述收纳管壳(40)内并与所述释放体(10)连接;所述中管(72)的一端经收纳管壳(40)的近端开口伸入所述收纳管壳(40)内,且所述中管的该端固定设有位于所述收纳管壳中的用于推抵所述支架的推块(41);外管(71)位于所述收纳管壳(40)外且其一端直接或间接固定连接于收纳管壳的近端开口上;释放线(50)一端固定在内管(73)上,释放线(50)的另一端为自由端;固定线(30)一端固定在中管(72)上,固定线(30)另一端与释放线(50)的自由端配合形成活扣连接膜管(20)和释放体(10)。
- 根据权利要求1所述的一种十二指肠内置空肠套管释放系统,其特征在于,固定线连接膜管和释放体的一端从中管(72)中与内管的间隙处穿出。
- 根据权利要求2所述的一种十二指肠内置空肠套管释放系统,其特征在于,从中管和内管间隙处穿出的固定线固定到拉线旋钮(815)上。
- 根据权利要求1所述的一种十二指肠内置空肠套管释放系统,其特征在于,释放体(10)具有内腔,释放体(10)外周壁上设有连通所述内腔的一个孔A(111)和至少两个孔C(112),在释放体侧壁上设有一个或多个槽A(113),所述槽A(113)连接孔A(111)和其中一个孔C(112),用于孔A(111)到孔C(112)之间的走线通道,相邻的孔C(112)之间设有槽B(114),槽B(114)用于连接相邻的孔C(112)之间的走线通道;释放线(50)一端固定在内管(73)的远端,释放线(50)另一端进入释放体的内腔并从释放体顶端的孔A(111)引出,依次经过槽A(113)和槽B(114)后沿多个孔C(112)的周向分布方向缠绕在释放体(10)外侧壁;膜管(20)远端的外周壁上对应孔C(112)设有孔B(201),固定线(30)的一端从膜管(20)的内腔穿过,经过膜管上的孔B(201)和释放体上与其对应的孔C(112),绕过释放线再经过该孔C和孔B穿回膜管(20)内腔,然后重复上述过程将固定线的这端依次穿过膜管上其余孔B以及释放体上对应的孔C。
- 根据权利要求4所述的一种十二指肠内置空肠套管释放系统,其特征在于,孔A(111)位于释放体的顶部或靠近释放体的顶部设置;多个孔C(112)以释放体的安装轴线为中心在释放体外周壁上等距分布。
- 根据权利要求1所述的一种十二指肠内置空肠套管释放系统,其特征在于,推送组件中,中管(72)的近端从外管(71)的近端伸出,在外管(71)的近端连接有用于锁定或解锁中管相对于外管位置的中管锁定装置(71);内管(73)的近端从中管(72)的近端伸出,在中管(72)的近端连接有用于锁定或解锁内管相对于中管位置的内管锁定装置(82);推拉导线(74)的近端从内管的近端伸出,在内管的近端连接有用于锁定或解锁推拉导丝相对于内管位置的导丝锁定装置(83)。
- 根据权利要求6所述的一种十二指肠内置空肠套管释放系统,其特征在于,中管锁定装置(81)、内管锁定装置(82)和导丝锁定装置(83)实现锁定或解锁的结构相同,包括外壳(811),外壳一端收缩固定在外管、中管或内管近端,外壳内具有从其近端开口至其远端开口的通道,外壳上设有调节旋钮(812),调节旋钮具有延伸端(8121),通道内设有能受调节旋钮的延伸端(8121)挤压压紧从通道内经过的中管(72)、内管(73)或推拉导丝(74)的密封圈(813);外壳(811)内壁成型有限制密封圈在外壳内位置的限位台阶(8111);导丝锁定装置(83)包括与内管连通的鲁尔接头(84),用于控制是否能推动拉线导丝的调节旋钮可拆卸连接在鲁尔接头上,调节旋钮上设有供推拉导丝穿过的通道。
- 根据权利要求1所述的一种十二指肠内置空肠套管释放系统,其特征在于,释放体(10)具有外周壁(11)以及能连通收纳管壳内部的内腔(12),释放体上设有导丝快速交换通道(116),导丝快速交换通道(116)是由释放体上的两个通道开口(1161)直接导通形成的,这两个通道开口均位于外周壁暴露于收纳管壳的外表面上;导丝快速交换通道不经过释放体的内腔;释放体(10)上设有与推拉导丝插接配合的导丝槽(115);释放体(10)含有显影材料,可以在X光下显影。
- 如权利要求1-8中任一项所述的一种十二指肠内置空肠套管释放系统的使用方法,其特征在于,包括以下步骤:1)通过导丝引导植入装置进入十二指肠;2)操作中管(72)使中管带动推块(41)远离操作者运动从而使释放体(10)与所述收纳管壳(40)脱开,同时内管(73)与释放体(10)之间不发生位移;3)操作内管(73)使内管推动释放体(10)远离操作者运动展开膜管(20);4)通过推拉导丝(74)保持释放体(10)的位置,操作内管(73)朝向操作者运动,内管带动释放线(50)的自由端脱离固定线(30)使连接膜管(20)、释放体(10)和内管(73)的活扣解开;5)操作中管(72)和/或外管(71)使支架(60)脱离收纳管壳(40)进入肠道内的指定位置。
- 根据权利要求9所述的十二指肠内置空肠套管释放系统的使用方法,其特征在于,步骤2)中,解锁中管(72)相对外管(71)的位置,使中管(72)可相对外管(71)运动,保持内管(73)、中管(72)和推拉导丝(74)之间同步运动;步骤3)中,解锁内管(73)相对中管(72)的位置,使内管(73)可相对中管(72)运动,保持推拉导丝(74)和内管(73)同步运动;在支架脱离收纳管壳之前,通过内管注射生理盐水帮助膜管(20)展开。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BR112020019784-0A BR112020019784A2 (pt) | 2018-05-03 | 2019-04-30 | Sistema de liberação de cânula jejunal embutida no duodeno e um método de uso do mesmo |
MX2020009872A MX2020009872A (es) | 2018-05-03 | 2019-04-30 | Sistema de liberacion de canula de yeyuno incorporada al duodeno y un metodo de uso para este proposito. |
EP19795911.7A EP3789003A4 (en) | 2018-05-03 | 2019-04-30 | DUODENUM INTEGRATED JEJUNAL CANNULA RELEASE SYSTEM AND METHOD OF USE |
RU2020132991A RU2759594C1 (ru) | 2018-05-03 | 2019-04-30 | Встраиваемая в двенадцатиперстную кишку система для высвобождения канюли для тощей кишки и способ ее использования |
US16/981,896 US20210121369A1 (en) | 2018-05-03 | 2019-04-30 | Duodenum built-in jejunum cannula releasing system and a use method therefor |
CA3094114A CA3094114C (en) | 2018-05-03 | 2019-04-30 | Duodenum built-in jejunum cannula releasing system and a use method therefor |
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CA3094114C (en) | 2023-05-23 |
US20210121369A1 (en) | 2021-04-29 |
CA3094114A1 (en) | 2019-11-07 |
BR112020019784A2 (pt) | 2021-01-05 |
EP3789003A1 (en) | 2021-03-10 |
RU2759594C1 (ru) | 2021-11-15 |
MX2020009872A (es) | 2020-10-12 |
EP3789003A4 (en) | 2021-06-23 |
CN108464945A (zh) | 2018-08-31 |
CN108464945B (zh) | 2024-03-22 |
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