CN111297437B - 泌尿结石腔的碎石取石器 - Google Patents

泌尿结石腔的碎石取石器 Download PDF

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CN111297437B
CN111297437B CN202010179336.4A CN202010179336A CN111297437B CN 111297437 B CN111297437 B CN 111297437B CN 202010179336 A CN202010179336 A CN 202010179336A CN 111297437 B CN111297437 B CN 111297437B
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pipe
calculus
catheter
stone
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CN111297437A (zh
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李瑞鹏
王彦彬
宋晨
周鹏
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Hangzhou Third Hospital
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/22Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
    • AHUMAN NECESSITIES
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    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/22Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
    • A61B17/22004Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for using mechanical vibrations, e.g. ultrasonic shock waves
    • A61B17/22012Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for using mechanical vibrations, e.g. ultrasonic shock waves in direct contact with, or very close to, the obstruction or concrement
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • A61B17/22Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
    • A61B17/22031Gripping instruments, e.g. forceps, for removing or smashing calculi
    • A61B17/22032Gripping instruments, e.g. forceps, for removing or smashing calculi having inflatable gripping elements
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    • A61B17/22031Gripping instruments, e.g. forceps, for removing or smashing calculi
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/22Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
    • A61B17/221Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions
    • A61B2017/2215Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions having an open distal end

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Abstract

本发明泌尿结石腔的碎石取石器公开了一种能够在夹持结石通过气囊的膨胀将其包裹在内避免漏石,且通过两种方式同时进行碎石,并在碎石后使气囊收缩以便取出的结石取石器,其特征在于固定壳置于导管一端上,所述固定壳上开有贯穿孔,且固定壳通过贯穿孔和导管相连通,气泵置于固定壳上,所述气泵的出气口和固定壳内部相连通,导丝置于导管内,推拉杆一端通过贯穿孔穿进导管内,且和导丝一端相连接,所述推拉杆的另一端上置有限位凸块,网篮丝和导丝的另一端相连接,所述导管的另一端端面上开有收纳槽,固定环插置于导管一端上,气囊置于固定环上,所述气囊端部上置有弹性收缩套,所述气囊和收纳槽相对应,所述导管壁厚内置有通气道。

Description

泌尿结石腔的碎石取石器
技术领域
本发明泌尿结石腔的碎石取石器涉及一种泌尿科使用的,对结石碎石进行取出的取石器,属于泌尿科设备领域。特别涉及一种能够在夹持结石通过气囊的膨胀将其包裹在内避免漏石,且通过两种方式同时进行碎石,并在碎石后使气囊收缩以便取出的结石取石器。
背景技术
结石是晶体物质在肾脏的异常聚积所致,为泌尿系统的常见病、多发病,目前,针对肾脏腔内的结石,一般是在通过将套石篮伸入结石腔内对结石进行抓取后,再通过碎石电极进行粉碎后,再配合套石篮将碎块结石从腔内取出,而因为套石篮为网状结构,在碎石过程中极容易遗漏碎石或者是难以将碎石沫取出,而现有带有套石兜的套石篮通过兜套将结石进行包裹来避免遗漏碎石,但是单纯依靠碎石电极进行碎石其很难将碎石完全碎除,碎石效率较低,导致碎石后的兜套端体积较大容易卡住,难以顺利从人体腔内取出。
公告号CN104095666A公开了一种泌尿系统结石腔内套取装置,其设有导管和导丝,所述导丝的远端设有网篮,所述网篮上固定有套石兜,所述套石兜被预塑成长条形兜状且近端的一面是开口的,套石兜上还设有微孔,该装置其套石兜在套取结石过程中,容易因为碎石不彻底而造成套石兜被碎石撑大而无法缩小,影响其正常的取出。
发明内容
为了改善上述情况,本发明泌尿结石腔的碎石取石器提供了一种能够在夹持结石通过气囊的膨胀将其包裹在内避免漏石,且通过两种方式同时进行碎石,并在碎石后使气囊收缩以便取出的结石取石器。
本发明泌尿结石腔的碎石取石器是这样实现的:本发明泌尿结石腔的碎石取石器由推拉杆、气泵、固定壳、穿入管、导管、气囊、注液管、网篮丝、收纳槽、通气道、导丝、牵拉线、弹性收缩套和固定环组成,固定壳置于导管一端上,所述固定壳上开有贯穿孔,且固定壳通过贯穿孔和导管相连通,气泵置于固定壳上,所述气泵的出气口和固定壳内部相连通,导丝置于导管内,推拉杆一端通过贯穿孔穿进导管内,且和导丝一端相连接,所述推拉杆的另一端上置有限位凸块,网篮丝和导丝的另一端相连接,所述导管的另一端端面上开有收纳槽,固定环插置于导管一端上,气囊置于固定环上,所述气囊端部上置有弹性收缩套,所述气囊和收纳槽相对应,所述导管壁厚内置有通气道,所述通气道的一端和收纳槽相连通,所述通气道的另一端和气泵的固定壳相连通,所述收纳槽为环形槽,所述导管底部靠近一端位置开有穿孔,牵拉线一端和气囊端部靠近弹性收缩套的位置相连接,所述牵拉线另一端先从气囊内部穿出并穿进导管内,然后从穿孔内穿出导管,注液管置于导管底部,且和导管相连通,所述注液管靠近导管的一端,穿入管置于导管上,且和导管相连通,所述穿入管和导管相连通,所述穿入管的另一端朝向推拉杆方向斜向延伸,所述推拉杆和贯穿孔之间置密封套,所述牵引线的另一端上连接置有限位球,所述导丝为刚性金属丝。
有益效果
一、能够避免碎石时的遗漏,将碎掉的结石完整收纳进行取出。
二、能够进行快速有效的碎石工作,提高碎石效率避免碎石不彻底的影响。
三、能够在碎石后进行收缩,以方便对碎石进行取出动作。
附图说明
图1本发明泌尿结石腔的碎石取石器的立体结构图。
图2本发明泌尿结石腔的碎石取石器的前视图。
图3本发明泌尿结石腔的碎石取石器网篮丝的立体结构图。
图4本发明泌尿结石腔的碎石取石器的结构示意图。
附图中
其中为:推拉杆(1),气泵(2),固定壳(3),穿入管(4),导管(5),气囊(6),注液管(7),网篮丝(8),收纳槽(9),通气道(10),导丝(11),牵拉线(12),弹性收缩套(13),固定环(14)
具体实施方式:
本发明泌尿结石腔的碎石取石器是这样实现的:本发明泌尿结石腔的碎石取石器由推拉杆(1)、气泵(2)、固定壳(3)、穿入管(4)、导管(5)、气囊(6)、注液管(7)、网篮丝(8)、收纳槽(9)、通气道(10)、导丝(11)、牵拉线(12)、弹性收缩套(13)和固定环(14)组成,固定壳(3)置于导管(5)一端上,所述固定壳(3)上开有贯穿孔,且固定壳(3)通过贯穿孔和导管(5)相连通,气泵(2)置于固定壳(3)上,所述气泵(2)的出气口和固定壳(3)内部相连通,导丝(11)置于导管(5)内,推拉杆(1)一端通过贯穿孔穿进导管(5)内,且和导丝(11)一端相连接,所述推拉杆(1)的另一端上置有限位凸块,网篮丝(8)和导丝(11)的另一端相连接,所述导管(5)的另一端端面上开有收纳槽(9),固定环(14)插置于导管(5)一端上,气囊(6)置于固定环(14)上,所述气囊(6)端部上置有弹性收缩套(13),所述气囊(6)和收纳槽(9)相对应,所述导管(5)壁厚内置有通气道(10),所述通气道(10)的一端和收纳槽(9)相连通,所述通气道(10)的另一端和气泵(2)的固定壳(3)相连通,所述收纳槽(9)为环形槽,所述导管(5)底部靠近一端位置开有穿孔,牵拉线(12)一端和气囊(6)端部靠近弹性收缩套(13)的位置相连接,所述牵拉线(12)另一端先从气囊(6)内部穿出并穿进导管(5)内,然后从穿孔内穿出导管(5),注液管(7)置于导管(5)底部,且和导管(5)相连通,所述注液管(7)靠近导管(5)的一端,穿入管(4)置于导管(5)上,且和导管(5)相连通,所述穿入管(4)和导管(5)相连通,所述穿入管(4)的另一端朝向推拉杆(1)方向斜向延伸,所述推拉杆(1)和贯穿孔之间置密封套,所述牵引线的另一端上连接置有限位球,所述导丝(11)为刚性金属丝。
使用前,气囊(6)未充气膨胀,气囊(6)收缩收纳在导管(5)端部的收纳槽(9)中,网篮丝(8)收在导管(5)内,使用时将导管(5)置入人体结石处,通过推动推拉杆(1)将网篮丝(8)从导管(5)内推出使其夹持住结石,然后启动气泵(2)通过通气道(10)对气囊(6)进行充气,使得气囊(6)充气膨胀从收纳槽(9)中挤出,气囊(6)上的弹性收缩套(13)在气囊(6)的膨胀推动下沿着网篮丝(8)外侧进行移动,进而气囊(6)沿着网篮丝(8)进行包裹,气囊(6)充气完成后形成椭圆形气囊(6)将网篮丝(8)和结石进行包裹,此时收缩套脱离网篮丝(8),在气囊(6)端部收缩成小套,然后人员可通过注液管(7)向气囊(6)腔注入酸性结石溶解液对结石进行溶解,同时通过穿入管(4)将超声碎石装置置入到气囊(6)腔内对结石进行碎石,以此双管而下对结石进行彻底的粉碎,在粉碎结石后,然后通过拉动牵拉线(12)和对应拉动推拉杆(1),将端部的气囊(6)进行收缩,然后从人体腔内取出;所述推拉杆(1)的另一端上置有限位凸块的设计,对推拉杆(1)进行限位,避免将其推入导管(5)内;
所述收纳槽(9)为环形槽的设计,能够在气囊(6)收缩使弹性收缩套(13)对应网篮丝(8),进而在气囊(6)膨胀时能够通过弹性收缩套(13)在网篮丝(8)外侧的移动实现对网篮丝(8)的包裹;
所述推拉杆(1)和贯穿孔之间置密封套的设计,对固定壳(3)进行密封,避免注入液体时漏出;
所述牵引线的另一端上连接置有限位球的设计,对牵拉线(12)端部进行限位,避免其进入导管(5)内难以找头;
所述导丝(11)为刚性金属丝的设计,导丝(11)为刚性,进而在通过推动推拉杆(1)推动网篮丝(8)时更加便于将其推出;
所述穿入管(4)的另一端朝向推拉杆(1)方向斜向延伸的设计,以便将超声随时装置斜向置入导管(5)内;
所述网篮丝(8)配合气囊(6)和弹性收缩套(13),能够在网篮丝(8)夹持住结石后,通过气囊(6)的膨胀将其包裹在内,以便后序碎石时不会出现漏石;
所述牵引线配合气囊(6),能够在碎石后通过拉动牵引线使气囊(6)收缩,以便取出;
先推动推拉杆(1),网篮丝(8)夹持主结石后,再对气囊(6)进行充气的设计,能够通过气囊(6)的膨胀将网篮丝(8)和其夹持的结石包裹在内,避免在后序碎石过程中出现漏石;
通过注液管(7)向气囊(6)内注入溶解液,同时将碎石装置通过穿入管(4)置入气囊(6)内的设计,两种方式同时对结石进行碎石操作,更加彻底;
碎石完成后,拉动推拉杆(1),同时拉动牵引线的设计,能够使气囊(6)收缩,以便取出;
达到能够在夹持结石通过气囊(6)的膨胀将其包裹在内避免漏石,且通过两种方式同时进行碎石,并在碎石后使气囊(6)收缩以便取出的目的。
上述实施例为本发明的较佳实施例,并非用以限定本发明实施的范围。任何本领域的普通技术人员,在不脱离本发明的发明范围内,当可作些许的改进,即凡是依照本发明所做的同等改进,应为本发明的范围所涵盖。

Claims (8)

1.一种泌尿结石腔的碎石取石器,其特征在于固定壳置于导管一端上,固定壳上开有贯穿孔,且固定壳通过贯穿孔和导管相连通,气泵置于固定壳上,气泵的出气口和固定壳内部相连通,导丝置于导管内,推拉杆一端通过贯穿孔穿进导管内,且和导丝一端相连接,网篮丝和导丝的另一端相连接,导管的另一端端面上开有收纳槽,固定环插置于导管一端上,气囊置于固定环上,气囊端部上置有弹性收缩套,气囊和收纳槽相对应,导管壁厚内置有通气道,通气道的一端和收纳槽相连通,所述通气道的另一端和气泵的固定壳相连通,导管底部靠近一端位置开有穿孔,牵拉线一端和气囊端部靠近弹性收缩套的位置相连接,所述牵拉线另一端先从气囊内部穿出并穿进导管内,然后从穿孔内穿出导管,注液管置于导管底部,且和导管相连通,所述注液管靠近导管的一端,穿入管置于导管上,且和导管相连通,所述穿入管和导管相连通,所述网篮丝配合气囊和弹性收缩套,能够在网篮丝夹持住结石后,通过气囊的膨胀将其包裹在内,以便后序碎石时不会出现漏石,所述牵拉线配合气囊,能够在碎石后通过拉动牵拉线使气囊收缩,以便取出。
2.根据权利要求1所述的一种泌尿结石腔的碎石取石器,其特征在于所述推拉杆的另一端上置有限位凸块。
3.根据权利要求1所述的一种泌尿结石腔的碎石取石器,其特征在于所述收纳槽为环形槽,能够在气囊收缩使弹性收缩套对应网篮丝,进而在气囊膨胀时能够通过弹性收缩套在网篮丝外侧的移动实现对网篮丝的包裹。
4.根据权利要求1所述的一种泌尿结石腔的碎石取石器,其特征在于所述牵拉线的另一端上连接置有限位球,对牵拉线端部进行限位,避免其进入导管内难以找头。
5.根据权利要求1所述的一种泌尿结石腔的碎石取石器,其特征在于所述穿入管的另一端朝向推拉杆方向斜向延伸。
6.根据权利要求1所述的一种泌尿结石腔的碎石取石器,其特征在于先推动推拉杆,网篮丝夹持主结石后,再对气囊进行充气的设计,能够通过气囊的膨胀将网篮丝和其夹持的结石包裹在内,避免在后序碎石过程中出现漏石。
7.根据权利要求1所述的一种泌尿结石腔的碎石取石器,其特征在于所述导丝为刚性金属丝,导丝为刚性,进而在通过推动推拉杆推动网篮丝时更加便于将其推出。
8.根据权利要求1所述的一种泌尿结石腔的碎石取石器,其特征在于所述推拉杆和贯穿孔之间置密封套。
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