CN104274874B - 防堵塞血透导管 - Google Patents

防堵塞血透导管 Download PDF

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CN104274874B
CN104274874B CN201410581910.3A CN201410581910A CN104274874B CN 104274874 B CN104274874 B CN 104274874B CN 201410581910 A CN201410581910 A CN 201410581910A CN 104274874 B CN104274874 B CN 104274874B
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lumen
artery
opening
sacculus
tube chamber
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CN104274874A (zh
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王沛
荆文普
余勇
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ZHENGZHOU DIALL MEDICAL TECHNOLOGY Co Ltd
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ZHENGZHOU DIALL MEDICAL TECHNOLOGY Co Ltd
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES 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
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
    • A61M25/0023—Catheters; Hollow probes characterised by the form of the tubing by the form of the lumen, e.g. cross-section, variable diameter
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/0043—Catheters; Hollow probes characterised by structural features
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/0105—Steering means as part of the catheter or advancing means; Markers for positioning
    • A61M25/0125—Catheters carried by the bloodstream, e.g. with parachutes; Balloon catheters specially designed for this purpose
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES 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
    • A61M2202/00—Special media to be introduced, removed or treated
    • A61M2202/0014—Special media to be introduced, removed or treated removed from the body
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES 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
    • A61M2202/00—Special media to be introduced, removed or treated
    • A61M2202/04—Liquids
    • A61M2202/0413—Blood

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Public Health (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Engineering & Computer Science (AREA)
  • Veterinary Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • Biophysics (AREA)
  • Emergency Medicine (AREA)
  • Urology & Nephrology (AREA)
  • Vascular Medicine (AREA)
  • External Artificial Organs (AREA)
  • Media Introduction/Drainage Providing Device (AREA)

Abstract

一种防堵塞血透导管，管体包括管腔部和接管部充气腔在管腔内部，二者横截面为同心圆，充气腔被两个隔层连接在管腔内壁上，隔层将除充气腔外的管腔内部空间分为两个独立的腔体，分别为动脉腔和静脉腔；动脉腔和静脉腔分别设有开口甲和开口乙；充气腔上设有球囊，所述球囊在开口甲和开口乙后方；动脉腔、静脉腔、充气腔伸出管腔分别形成相互独立的动脉腔接管、静脉腔接管、球囊接气管。本发明结构简单，操作方便，十分有效的防止了血透管的堵塞问题，延长了血透管的使用寿命。

Description

防堵塞血透导管
技术领域
本实用新型涉及运用于医疗器械技术领域中的血液透析导管，尤其涉及一种防堵塞血透导管。
背景技术
血液透析系将患者血液引入透析器中，利用半渗透膜两侧溶质浓度差，经渗透，扩散与超滤作用，达到清除代谢产物及毒性物质，纠正水、电解质平衡紊乱的目的。血液透析(以下简称血透)包括肾脏替代治疗、血液灌流、免疫吸附、内毒素吸附和血浆置换等。每一种血液透析方式都各有特点，且适用于不同疾病及状态，但无论那种类型的血透都要建立动静脉通道，将动脉端血液引入透析器，经透析作用，使血液净化。然后将净化了的血液再由静脉端回输体内。
目前临床上常见是一种血透导管穿刺的方法进行动静脉通道的建立，而血液透析导管往往需要很长一段时间内留置在患者体内，导管留置一定时间以后会出现导管内形成血栓，以及纤维蛋白附着导管内壁或包裹外壁形成内鞘和外鞘（纤维袖套样改变），造成导管部分或完全堵塞。
发明内容
为解决上述问题，本实用新型设计发明了一种防堵塞血透导管。
本实用新型内容是：一种防堵塞血透导管，管体包括管腔部和接管部，管腔部包括动脉腔、静脉腔、充气腔、开口甲、开口乙、球囊；接管部包括动脉腔接管、球囊接气管、静脉腔接管，其特征是：充气腔在管腔内部，二者横截面为同心圆，充气腔被两个隔层连接在管腔内壁上，隔层将除充气腔外的管腔内部空间分为两个独立的腔体，分别为动脉腔和静脉腔；动脉腔和静脉腔分别设有开口甲和开口乙；充气腔上设有置于管腔内部的球囊，所述球囊在开口甲和开口乙后方；动脉腔、静脉腔、充气腔伸出管腔分别形成相互独立的动脉腔接管、静脉腔接管、球囊接气管。
管腔部末端的外壁上有两个凸块，两凸块之间形成凹槽，靠近管腔前端的一个凸块呈锥状。动脉腔、充气腔前端均为封闭状态。
有益效果
本实用新型结构简单，操作方便，十分有效的防止了血透管的堵塞问题，延长了血透管的使用寿命。
附图说明
附图1为防堵塞血透导管透析过程中球囊闭合状态时的剖视图；
附图2为防堵塞血透导管透析过程中球囊张开状态时的剖视图；
附图3为防堵塞血透导管的管腔截面图；
附图4为防堵塞血透导管透析过程中球囊闭合状态时剖视图的局部视图；
附图5为防堵塞血透导管透析过程中球囊张开状态时剖视图的局部视图；
图中1为动脉腔接气管、2球囊接气管、3静脉腔接气管、4球囊、5动脉腔开口、6静脉腔开口、7管腔、8动脉腔、9充气腔、10静脉腔、101为接管部、102为管腔部。
具体实施方式
一种防堵塞血透导管，管体包括管腔部和接管部，管腔部包括动脉腔、静脉腔、充气腔、开口甲、开口乙球囊；接管部包括动脉腔接管、球囊接气管、静脉腔接管，其特征是：充气腔在管腔内部，二者横截面为同心圆，充气腔被两个隔层连接在管腔内壁上，隔层将除充气腔外的管腔内部空间分为两个独立的腔体，分别为动脉腔和静脉腔；动脉腔和静脉腔分别设有开口甲和开口乙；充气腔上设有置于管腔内部的球囊，所述球囊在开口甲和开口乙后方；动脉腔、静脉腔、充气腔伸出管腔分别形成相互独立的动脉腔接管、静脉腔接管、球囊接气管。管腔部末端的外壁上有两个凸块，两凸块之间形成凹槽，靠近管腔前端的一个凸块呈锥状。动脉腔、充气腔前端均为封闭状态。
使用过程中，随着球囊中的气体放出，动脉腔和静脉腔形成通路，供血液流通，完成血透过程；当血透完成后，球囊通过充气膨胀将动脉腔和静脉腔从中隔断，从而防止血液接触空气凝固形成堵塞，延长血透管的使用寿命；同时管腔末端的凹槽与凸块能加固管体与人身体之间的连接，防止管体脱落。

Claims (3)

1.一种防堵塞血透导管，管体包括管腔部和接管部，管腔部包括动脉腔、静脉腔、充气腔、开口甲、开口乙、球囊；接管部包括动脉腔接管、球囊接气管、静脉腔接管，其特征是：充气腔在管腔内部，二者横截面为同心圆，充气腔被两个隔层连接在管腔内壁上，隔层将除充气腔外的管腔内部空间分为两个独立的腔体，分别为动脉腔和静脉腔；动脉腔和静脉腔分别设有开口甲和开口乙；充气腔上设有置于管腔内部的球囊，所述球囊在开口甲和开口乙后方；动脉腔、静脉腔、充气腔伸出管腔分别形成相互独立的动脉腔接管、静脉腔接管、球囊接气管。
2.根据权利要求书1所述的防堵塞血透导管，其特征是：管腔部末端的外壁上有两个凸块，两凸块之间形成凹槽，靠近管腔前端的一个凸块呈锥状。
3.根据权利要求书1所述的防堵塞血透导管，其特征是：动脉腔、充气腔前端均为封闭状态。
CN201410581910.3A 2014-10-28 2014-10-28 防堵塞血透导管 Active CN104274874B (zh)

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CN108837202A (zh) * 2018-05-09 2018-11-20 万胜 一种血液透析导管及其使用方法
CN110559498B (zh) * 2019-10-14 2024-05-31 南京医科大学附属逸夫医院 一种带有水囊的新型透析导管

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US5221255A (en) * 1990-01-10 1993-06-22 Mahurkar Sakharam D Reinforced multiple lumen catheter
JP4200851B2 (ja) * 2003-07-25 2008-12-24 ニプロ株式会社 留置針挿入用ホール形成ピンの装着治具
CN103889473A (zh) * 2011-08-26 2014-06-25 马歇尔·克尔 生物相容性导管
CN102861373A (zh) * 2012-09-25 2013-01-09 厦门大学附属中山医院 一种带有防贴壁装置的透析用中心静脉导管

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