CN112107779A - 带球囊的瘘道逐级扩张型引流管 - Google Patents

带球囊的瘘道逐级扩张型引流管 Download PDF

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CN112107779A
CN112107779A CN202010985577.8A CN202010985577A CN112107779A CN 112107779 A CN112107779 A CN 112107779A CN 202010985577 A CN202010985577 A CN 202010985577A CN 112107779 A CN112107779 A CN 112107779A
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drainage tube
balloon
air bag
fistula
inner core
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宋玲玲
张�诚
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Affiliated Zhongshan Hospital of Dalian University
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Priority claimed from CN202010194539.0A external-priority patent/CN111420233A/zh
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00Catheters; Hollow probes
    • A61M25/10Balloon catheters
    • A61M25/1011Multiple balloon catheters
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00Catheters; Hollow probes
    • A61M25/0043Catheters; Hollow probes characterised by structural features
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00Catheters; Hollow probes
    • A61M25/0067Catheters; Hollow probes characterised by the distal end, e.g. tips
    • A61M25/0068Static characteristics of the catheter tip, e.g. shape, atraumatic tip, curved tip or tip structure
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00Catheters; Hollow probes
    • A61M25/0067Catheters; Hollow probes characterised by the distal end, e.g. tips
    • A61M25/0068Static characteristics of the catheter tip, e.g. shape, atraumatic tip, curved tip or tip structure
    • A61M25/007Side holes, e.g. their profiles or arrangements; Provisions to keep side holes unblocked
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00Catheters; Hollow probes
    • A61M25/10Balloon catheters
    • A61M25/1002Balloon catheters characterised by balloon shape
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M29/00Dilators with or without means for introducing media, e.g. remedies
    • A61M29/02Dilators made of swellable material

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  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
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  • Child & Adolescent Psychology (AREA)
  • Vascular Medicine (AREA)
  • Media Introduction/Drainage Providing Device (AREA)

Abstract

带球囊的瘘道逐级扩张型引流管属于医疗器械制造技术领域。本发明包括引流管及内芯,其中引流管头头部呈锥形,设有球形气囊及外径可变柱形气囊,内有的注水通道尾部设有连接头;球形气囊与柱形气囊之间的管壁上设有侧孔;引流管尾部接头表面设有螺纹,内芯尾部设有连接帽,其内设有螺纹,与引流管尾部结构表面螺纹相吻合,将内芯置入到引流管内并拧紧尾部接头。本发明达到的有益效果是,本装置头端设置球囊,避免引流管移位,本装置体部设置柱形气囊,采取逐渐加压的方式逐渐扩张瘘道,不会引起瘘道撕裂出血,疼痛等副反应更小。

Description

带球囊的瘘道逐级扩张型引流管
技术领域
本发明属于医疗器械制造技术领域,涉及带球囊的瘘道逐级扩张型引流管。
背景技术
胆囊及肝内外胆管结石是一种常见病,可诱发急慢性胆囊炎、胆管炎、梗阻性黄疸、胆道肿瘤等并发症。胆结石的传统治疗方式是开腹胆囊切除及肝叶切除,再腹腔镜及胆道镜技术日益发展的今天,腹腔镜下胆囊切开取石及胆道探查取石术,成为胆结石治疗的重要手段。
无论是腹腔镜下胆囊切开取石,但是胆道探查取石,需要在全麻下进行。对于不能耐受全麻风险的高龄、高危患者,以及接受多次开腹手术的患者,可先采取经皮经肝胆囊及胆管穿刺引流术,随后逐渐扩张瘘道,待瘘道扩张至16Fr以上时,则可经瘘道置入胆道镜进入胆囊及但管内碎石、取石。瘘道扩张包括两种方式,一种是一次手术中使用不同型号的硬质扩张管扩张瘘道,但是该种方式仍需要在全麻状态下完成,容易发生出血、肝脓肿、胆漏等并发症,另一种是间断更换更粗型号的胆道引流管,此种方式无需麻醉,但是两次手术之间间隔较长,导致疾病治疗时间较长。如果间隔时间较短或选择较粗型号引流管,不但增加了患者的痛苦,也增加了置管的难度。
发明内容
本发明的目的就是提供一种柱型气囊最大扩张直径可变、无需麻醉、损伤小、并发症少、操作简单的带球囊的瘘道逐级扩张型引流管。
本发明包括引流管1,还包括内芯2,引流管1尾部与内芯2尾部连接引流管1尾部接头外表面设有外螺纹3;内芯2尾部设有连接帽5,连接帽5内表面设有内螺纹4;外螺纹3与内螺纹4相吻合,将内芯2置入到引流管1内,并拧紧尾部接头的外螺纹3与内螺纹4;引流管1上设置有球形气囊11,球形气囊11内有注水通道6和设置在引流管1尾部的连接头8连接;引流管1上设置有柱形气囊12,柱形气囊12内有注水通道7和设置在引流管1尾部的连接头9连接;球形气囊11和柱形气囊12之间的管壁上设有侧孔10;
引流管头1头部呈锥形;
引流管1长度为60-100cm,外径为7Fr,内径为5Fr;
内芯2长60-100cm,外径为4.5Fr,内径为3.5Fr;
球形球囊11直径为0.6-2cm;
柱形气囊12外径变化范围分别为8-11Fr、12-15Fr和16-19Fr;
引流管1管壁上设有侧孔10为1-10个;
引流管1管壁上设有侧孔10为5个;
内芯2上部设置有防滑垫13。
本发明的优点是:
1.本装置球囊型号齐全,但是引流管型号均为7Fr,容易置入到瘘道内;
2.本装置头端设置球囊,避免引流管移位;
3.本装置体部设置柱形气囊,采取逐渐加压的方式逐渐扩张瘘道,不会引起瘘道撕裂出血,疼痛等副反应更小。
4.每个柱型气囊扩张球囊最大扩张直径可变,可减少更换引流管次数。起瘘道撕裂出血,疼痛等副反应更小。
附图说明
图1是本发明的引流管的示意图;
图2是本发明的内芯的示意图;
图3是本发明组装后的示意图;
图4是本发明充盈头部球形气囊的示意图;
图5是本发明充盈扩张柱形气囊的示意图;
图6是本发明放置到指定位置扩张瘘道的示意图。
其中,1.引流管,2.内芯,3.外螺纹,4.内螺纹,5.连接帽,6.注水通道,7.注水通道,8.接头,9.接头,10.侧孔,11.球形气囊,12.柱形气囊,13.防滑垫,A.截面,B.截面。
具体实施方式
下面结合附图和具体实施方式对本发明做进一步说明。
本发明包括引流管1和内芯2;内芯2上部设置有防滑垫13;引流管1尾部接头外表面设有外螺纹3;内芯2尾部设有连接帽5连接帽5内表面设有内螺纹4;外螺纹3与内螺纹4相吻合,将内芯2置入到引流管1内,并拧紧尾部接头的外螺纹3与内螺纹4,引流管1尾部与内芯2尾部连接;引流管头1头部呈锥形;引流管1长度为90cm,外径为7Fr,内径为5Fr;内芯2长90cm,外径为4.5Fr,内径为3.5Fr;引流管1上设置有球形气囊11,球形气囊11内有注水通道6和设置在引流管1尾部的连接头8连接;球形球囊11直径为1.5cm;引流管1上设置有柱形气囊12,柱形气囊12内有注水通道7和设置在引流管1尾部的连接头9连接;柱形气囊12外径变化范围为12-15Fr;球形气囊11和柱形气囊12之间的引流管1管壁上设有5个侧孔10。
A截面以上为管囊或胆管,A截面和B截面之间为腹壁及肝脏实质,B截面为皮肤。
超声或X线监视下经原引流管置入导丝,留置导丝并将退出原引流管,将内芯2置入到引流管1内并拧紧尾部接头,在导丝引导下置入本发明装置,将本装置置入到胆管制定位置后,向接头8内注入含造影剂生理盐水,球形气囊11大小与胆管壁直径一致,防止引流管移动,退出内芯2,使用压力泵向接头9内间断注入含造影剂生理盐水,逐渐充盈柱形气囊12,缓慢扩张瘘道,引流管1尾部连接引流袋引流胆汁。

Claims (10)

1.带球囊的瘘道逐级扩张型引流管包括引流管(1),其特征在于,还包括内芯(2),引流管(1)尾部接头外表面设有外螺纹(3);内芯(2)尾部设有连接帽(5),连接帽(5)内表面设有内螺纹(4);外螺纹(3)与内螺纹(4)连接;引流管(1)上设置有球形气囊(11),球形气囊(11)内有注水通道(6)和设置在引流管(1)尾部的连接头(8)连接;引流管(1)上设置有柱形气囊(12),柱形气囊(12)内有注水通道(7)和设置在引流管(1)尾部的连接头(9)连接。
2.根据权利要求1所述的带球囊的瘘道逐级扩张型引流管,其特征在于,引流管(1)长度为60-100cm,外径为7Fr,内径为5Fr;内芯(2)长60-100cm,外径为4.5Fr,内径为3.5Fr。
3.根据权利要求1所述的带球囊的瘘道逐级扩张型引流管,其特征在于,球形球囊(11)直径为0.6-2cm。
4.根据权利要求1所述的带球囊的瘘道逐级扩张型引流管,其特征在于,柱形气囊(12)外径为8-11Fr。
5.根据权利要求1、3或4所述的带球囊的瘘道逐级扩张型引流管,其特征在于,球形气囊(11)和柱形气囊(12)之间的管壁上设有侧孔(10)。
6.根据权利要求1、3、4或5所述的带球囊的瘘道逐级扩张型引流管,其特征在于,引流管(1)管壁上设有侧孔(10)为1-10个。
7.根据权利要求1、3、4、5或6所述的带球囊的瘘道逐级扩张型引流管,其特征在于,引流管(1)管壁上设有侧孔(10)为5个。
8.根据权利要求1所述的带球囊的瘘道逐级扩张型引流管,其特征在于,内芯(2)上部设置有防滑垫(13)。
9.根据权利要求1所述的带球囊的瘘道逐级扩张型引流管,其特征在于,柱形气囊(12)外径为12-15Fr。
10.根据权利要求1所述的带球囊的瘘道逐级扩张型引流管,其特征在于,柱形气囊(12)外径为16-19Fr。
CN202010985577.8A 2020-03-19 2020-09-18 带球囊的瘘道逐级扩张型引流管 Withdrawn CN112107779A (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN2020101945390 2020-03-19
CN202010194545.6A CN111420236A (zh) 2020-03-19 2020-03-19 带球囊的瘘道扩张型引流管
CN202010194539.0A CN111420233A (zh) 2020-03-19 2020-03-19 带球囊的瘘道逐级扩张型引流管
CN2020101945456 2020-03-19

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