CN101947346B - Catheter - Google Patents

Catheter Download PDF

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Publication number
CN101947346B
CN101947346B CN2010102801010A CN201010280101A CN101947346B CN 101947346 B CN101947346 B CN 101947346B CN 2010102801010 A CN2010102801010 A CN 2010102801010A CN 201010280101 A CN201010280101 A CN 201010280101A CN 101947346 B CN101947346 B CN 101947346B
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catheter
provided
end
main conduit
main
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CN2010102801010A
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CN101947346A (en
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张烨
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张烨
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Abstract

The invention discloses a catheter comprising a main conduit, the catheter and a urine outlet, wherein the catheter is arranged on the side wall of the top end of the main conduit, and the urine outlet is arranged on the tail end of the main conduit; the top end of the main conduit is positioned on the lower part of a catheterization hole and is provided with an inner fixed air sac; the main conduct is provided with an air sac cavity; one end of the air sac cavity is connected with the inner fixed air sac, and the other end of the air sac cavity forms an independent air sac path port on the tail end of the catheter; the top end of the main conduit is provided with a conducting wire path for inserting a conducting wire; the periphery of the conducting path is provided with bulges which are connected with the side wall of the main conduit and are used for preventing a metal bougie from breaking the catheter; the bulges are positioned on the upper part of the catheterization hole and form a whole with the top end of the main conduit; and the bulge is provided with one or a plurality of grooves for preventing the metal bougie from slipping. The invention has simple structure, reasonable design, perfect function, convenient operation, safe and reliable use, low production cost, good using effect and convenient popularization and use.

Description

一种导尿管 One kind of catheter

技术领域 FIELD

[0001] 本发明涉及一种医疗器具,尤其是涉及一种导尿管。 [0001] The present invention relates to a medical instrument, particularly to a catheter. 背景技术 Background technique

[0002] 导尿是临床上最常见的操作之一,目前医院使用的导尿管,通常是由橡胶或硅胶等材料制作的直径相等壁厚均勻的软式导尿管。 [0002] catheterization is one of the most common operations, catheters currently used in hospitals, the diameter is usually made of silicone rubber or the like material of uniform thickness equal to the soft catheter. 但征对老年性前列腺增生、前列腺炎以及尿道损伤等病症患者,由于尿道走行和弯曲度发生变化,采用普通导尿方式往往会出现不同程度的插管困难,插管失败后需膀胱穿刺造瘘或用金属导尿管导尿,由于金属导尿管不便保留,膀胱穿刺造瘘又为急症手术,因而实际工作中造成诸多不便。 But signs of elderly patients with symptoms of benign prostatic hyperplasia, prostatitis and urinary tract damage, due to the curvature of the urethra traveling and changes the way ordinary catheterization often varying degrees of difficulty intubation, after intubation failure bladder need callui catheter catheterization or metal, since the metal retention catheter inconvenience, bladder callui also for emergency operation, thereby causing inconvenience in practical work. 为了减少病人痛苦, 顺利插入导尿管,现场操作时通常会采用以下几种导尿方式:一、在导尿管中插入一根具有一定硬度和弹性的弯头金属探条,增加导尿管的硬度并改变导尿管头部的曲度,使导尿管形成类似于尿道扩张器的形状以方便插入;二、通过膀胱尿道镜的外鞘或顶部开小孔的空心金属尿道扩张器在尿道内留置一根斑马导丝或黑泥鳅导丝,然后保留导丝退出扩张器, 在普通导尿管顶部刺孔将导丝穿过导尿管,循导丝插入导尿管。 In order to reduce patient suffering, smooth insertion catheter, often use several ways catheterization during field operation: a, a metal insert elbow bougie having a certain hardness and elasticity in the catheter, increasing catheter changing the curvature of the catheter and the hardness of the head, so that a shape similar to the urethral catheter to facilitate insertion of the dilator; Second, the small holes through the top of the bladder or sheath cystoscopic urethral hollow metal dilator an indwelling urethral loach black zebra guidewire or guidewire, and the guidewire exits the stent retained in the top of the ordinary catheter guidewire through the puncture catheter, through the guidewire insertion catheter. 三、对于尿道损伤患者,可以采用内窥镜直视下将斑马导丝或黑泥鳅导丝通过损伤部位置入膀胱,然后保留导丝退出内窥镜,在普通导尿管顶部刺孔将导丝穿过导尿管,循导丝插入导尿管。 Third, the damage to the patient's urethra, may be employed under Endoscope black zebra loach guidewire or guidewire into the bladder through the injury site, and keep the guide wire exits the endoscope, the guide catheter in the normal top penetrating hole wire passes through the catheter, through the guidewire insertion catheter. 但是,现有技术中, 导尿管的前端为封闭式的,需要操作者自行在导尿管顶端刺孔穿过导丝,操作不便,浪费时间,操作不慎还容易造成不必要的针刺伤。 However, the prior art, a closed distal end of the catheter, the catheter itself requires the operator to puncture holes through the top wire, inconvenient operation, a waste of time, but also easily cause inadvertent operation unnecessary acupuncture hurt. 而且,在采用第一种导尿方式时,金属探条硬度大、极易穿破导尿管,对患者造成尿道损伤,甚至是尿道穿孔等身体伤害,增加了导尿的风险。 Also, when using the first catheterization way, metal exploration risk hardness, easy to puncture the catheter, causing urethral trauma to the patient and even bodily injury urethral perforation, increasing the catheterization article.

发明内容 SUMMARY

[0003] 本发明所要解决的技术问题在于针对上述现有技术中的不足,提供一种导尿管, 其结构简单、设计合理,功能完备,既能够方便地作为普通导尿管使用,又可以满足三种不同导尿方式的需要,能够有效地防止金属探条尖端穿破导尿管对患者造成身体伤害,使用安全可靠,便于推广使用。 [0003] The present invention solves the technical problem that the prior art in view of the above deficiencies, there is provided a catheter, its structure is simple, rational design, functions, both as an ordinary catheter can be conveniently used, but also meet three sets of needs of different ways of catheterization, can effectively prevent metal bougie catheter tip puncture causing bodily harm to the patient, the use of safe, reliable, easy to promote the use.

[0004] 为解决上述技术问题,本发明采用的技术方案是:一种导尿管,包括主导管、主导管顶端侧壁的导尿孔和主导管末端的出尿口,其特征在于:所述主导管顶端位于导尿孔的下部设有内固定气囊所述主导管中设有气囊腔道,所述气囊腔道的一端与内固定气囊相接,所述气囊腔道的另一端在导尿管末端形成独立的气囊通道口,所述主导管顶端设有用于插入导丝的导丝通道,所述导丝通道四周设有与主导管侧壁相接且用于防止金属探条穿破导尿管的凸起,所述凸起位于导尿孔的上部且与主导管顶端为一整体,所述凸起上设有一个或多个用于防止金属探条滑脱的凹槽。 [0004] To solve the above problems, the present invention adopts the technical solution is: A catheter comprising a main conduit urinary opening, the top of the side wall aperture catheterization main duct and leading end of the tube, characterized in that: the located in a lower portion of said main conduit to the top hole is provided within a fixed catheterization airbag the airbag is provided in the main duct cavity, one end of the inner lumen of the balloon fixed contact airbag, the airbag and the other end of the guide lumen catheter tip passage opening is formed independently of the airbag, the main duct is provided for inserting the guide wire tip guidewire passage, said guidewire passage surrounded by the side wall in contact with the main pipe and for preventing the pierced metal bougie catheter projection, said projection located catheterization and the top hole of the upper main conduit as a whole, said projection is provided with one or more recesses for preventing slippage of the metal bougie.

[0005] 所述主导管顶端位于导尿孔的上部设有冲洗孔,所述主导管中设有冲洗腔道,所述冲洗腔道的一端与冲洗孔相接,所述冲洗腔道的另一端在导尿管末端形成独立的冲洗通道口。 [0005] positioned to the top of the main duct is provided with an upper aperture catheterization flushing hole, flush with said main tube cavity, one end of the flushing channel flushing bore in contact, the flushing lumen another end passage opening is formed in a separate irrigation catheter tip. [0006] 所述凹槽为圆柱形、半球形或环绕导丝通道的环形。 [0006] The recess is cylindrical, hemispherical or annular passage surrounding the guidewire.

[0007] 本发明与现有技术相比具有以下优点: [0007] The prior art and the present invention has the following advantages:

[0008] 1、结构简单,设计合理:本发明在导尿管管体前端设计了导丝通道,方便插入导丝,还设计了用于抵住金属探条,防止金属探条穿破导尿管的凸起,而且在凸起上设计有一个或多个用于防止金属探条滑脱的圆柱形或半球形凹槽,可有效防止金属探条从导丝通道或导尿孔穿出,结构简单,设计合理。 [0008] 1, simple structure, reasonable design: The present invention is designed in the catheter tube distal guidewire channel, to facilitate the insertion guide wire, is also designed for the strip against the metal detector to prevent metal pierced catheterization bougie projection tubes, and the projection is designed with one or more metal bougie for preventing slippage of cylindrical or semi-spherical recess can be effectively prevented from piercing a metal bougie or catheterization guidewire passage aperture structure simple, reasonable design.

[0009] 2、功能完备,使用安全可靠:本发明既能够方便地作为普通导尿管使用,适用于普通的导尿管易插入的患者,又能适用于由于各种病变导致尿道走行和弯曲度发生变化,导致插管困难的患者,可以满足上述三种导尿方式,方便安全地进行导尿,避免了操作不慎造成的针刺伤以及对患者的尿道损伤,使用安全可靠,功能完备。 [0009] 2, fully functional, safe and reliable: the present invention, both as an ordinary catheter can be conveniently used for patients with normal urinary catheter inserted easily, but also applicable to a variety of lesions caused by traveling and bending the urethra the degree of change, resulting in patients difficult intubation, to meet the above three ways catheterization, catheterization performed easily and securely, avoiding careless operation due to needle stick injuries and damage to the patient's urethra, the use of safe and reliable, fully functional .

[0010] 3、生产成本低,使用效果好,便于推广使用:本发明对导尿管结构上的改进,不会造成生产成本的增加,还完善了导尿管的功能,使用效果好,便于推广使用。 [0010] 3, low production cost, the use of effective, easy to promote the use of: the present invention is an improvement on the catheter structure, does not cause increase in production cost, but also improve the function of the catheter, the use of effective, easy to promote the use of.

[0011] 下面通过附图和实施例,对本发明的技术方案做进一步的详细描述。 [0011] The following drawings and embodiments, detailed description of the further aspect of the present invention.

附图说明 BRIEF DESCRIPTION

[0012] 图1为本发明实施例1的结构示意图。 [0012] Figure 1 schematic structural diagram of an embodiment of the invention.

[0013] 图2为图1的AA剖视图。 [0013] FIG. 2 is a cross-sectional view AA of FIG. 1.

[0014] 图3为本发明实施例1插入弯头金属探条后的结构示意图。 [0014] FIG. 3 is a schematic bend structure after the metal insert bougie Example 1 of the present embodiment of the invention.

[0015] 图4为本发明实施例2的结构示意图。 [0015] FIG. 4 schematic structural diagram of embodiment 2 of the present invention.

[0016] 图5为图4的BB剖视图。 [0016] FIG. 5 is a sectional view BB of FIG.

[0017] 图6为本发明实施例2插入弯头金属探条后的结构示意图。 [0017] FIG. 6 is a schematic bend structure after the metal insert bougie Example 2 embodiment of the present invention.

[0018] 图7为本发明实施例3的结构示意图。 [0018] FIG 7 schematic structural diagram of embodiment 3 of the present invention.

[0019] 图8为图7的CC剖视图。 [0019] FIG. 8 is a cross-sectional view of FIG. 7 CC.

[0020] 图9为本发明实施例3插入弯头金属探条后的结构示意图。 [0020] FIG. 9 is a schematic structure of Example 3 is inserted into the elbow metal bougie embodiment of the present invention.

[0021] 附图标记说明: [0021] REFERENCE NUMERALS:

[0022] 1-主导管; 2-导尿孔; 3-出尿口; [0022] 1- main duct; 2- catheterization aperture; 3- Urine out port;

[0023] 4-内固定气囊;5-气囊腔道;6-气囊通道口; [0023] 4- fixation balloon; 5- balloon cavity; 6- airbag passage opening;

[0024] 7-导丝通道; 8-凸起; 9-冲洗孔; [0024] 7- guidewire channel; 8- projection; 9- flushing hole;

[0025] 10-冲洗腔道; 11-冲洗通道口;12-凹槽; [0025] 10- irrigation lumen; 11- flushing channel opening; 12- recess;

[0026] 13-弯头金属探条。 [0026] 13- bend metal bougie.

具体实施方式 Detailed ways

[0027] 实施例1 [0027] Example 1

[0028] 如图1、图2和图3所示,本发明包括主导管1、主导管1顶端侧壁的导尿孔2和主导管1末端的出尿口3,其特征在于:所述主导管1顶端位于导尿孔2的下部设有内固定气囊4,所述主导管1中设有气囊腔道5,所述气囊腔道5的一端与内固定气囊4相接,所述气囊腔道5的另一端在导尿管末端形成独立的气囊通道口6,所述主导管1顶端设有用于插入导丝的导丝通道7,所述导丝通道7四周设有与主导管1侧壁相接且用于防止金属探条穿破导尿管的凸起8,所述凸起8位于导尿孔2的上部且与主导管1顶端为一整体,所述凸起8上设有一个用于防止金属探条滑脱的凹槽12。 [0028] As shown in FIG. 1, 2 and 3, the present invention includes a main pipe 1, a main conduit 1 to the top hole urinary catheterization outlet side walls 1 and 2 the end of the main conduit 3, characterized in that: said 1 is located in the top of the main duct 2 is provided with a lower bore catheterization fixation balloon 4, the main duct is provided in a cavity balloon 5, the balloon lumen and the inner end of the fixed contact 5 of the airbag 4, the balloon the other end of the cavity 5 forms an independent passage opening in the catheter tip balloon 6, the main duct 1 is provided with a guide wire inserted to the top of the guide wire channel 7, the guide wire channel 7 is surrounded by the main duct 1 and contacting the side wall for preventing metal bougie catheter pierced projections 8, the protrusion is located in an upper portion 8 with catheterization hole 2 and the main conduit 1 to the top as a whole, is provided on the projections 8 a metal bougie for preventing slippage of the groove 12.

[0029] 所述凹槽12为圆柱形或半球形,可有效防止金属探条从导丝通道或导尿孔穿出。 [0029] The recess 12 is a cylindrical or hemispherical, can effectively prevent the metal bougie out through the guidewire passage aperture or catheterization.

[0030] 实施例2 [0030] Example 2

[0031] 如图4、图5和图6所示,本实施例与实施例1不同的是:所述主导管1顶端位于导尿孔2的上部还设有冲洗孔9,所述主导管1中设有冲洗腔道10,所述冲洗腔道10的一端与冲洗孔9相接,所述冲洗腔道10的另一端在导尿管末端形成独立的冲洗通道口11 ;所述凸起8上设有四个用于防止金属探条滑脱的凹槽12。 [0031] Figures 4, 5 and 6, the present embodiment in Example 1 except that: the main conduit 1 to the top 2 located at an upper aperture catheterization is further provided flushing hole 9, the main duct 1 is provided with flushing lumen 10, one end of the flushing channel flushing bore 10 of the contact 9, the other end of said irrigation lumen 10 of the catheter is formed at the end of a separate flushing passage port 11; the projection 8 is provided with four metal bougie for preventing slippage of the groove 12. 其余结构与实施例1相同。 The rest of the structure of Example 1.

[0032] 实施例3 [0032] Example 3

[0033] 如图7、图8和图9所示,本实施例与实施例2不同的是:所述凹槽12为环绕导丝通道的环形。 [0033] As shown in FIG 7, FIG 8 and FIG 9, the present embodiment and Embodiment Example 2 except that: the recess 12 is an annular passage surrounding the guidewire. 其余结构与实施例2相同。 The rest of the structure of Example 2.

[0034] 用本发明所述的导尿管进行导尿操作时,如果患者的尿道没有病变,可以直接将该导尿管经尿道插入膀胱进行导尿,如果患者的尿道变长变细扭曲,有三种操作方式,第一种:从出尿口3向导尿管中插入一根具有一定硬度和弹性的弯头金属探条13,增加导尿管的硬度并改变导尿管头部的曲度,使导尿管形成类似于尿道扩张器的形状,更加符合尿道的生理结构,方便插入,该弯头金属探条13的头部顶在设置在凸起8上的凹槽12内,凸起8 可防止弯头金属探条13穿破导尿管对患者造成尿道损伤,凹槽12可有效防止弯头金属探条13滑脱,从导丝通道7或导尿孔2穿出;第二种:通过膀胱尿道镜的外鞘或顶部开小孔的空心金属尿道扩张器在尿道内留置一根斑马导丝或黑泥鳅导丝,然后保留导丝退出扩张器,将导丝通过本发明所述的导尿管上的导丝通道7穿入导尿 When [0034] catheterization manipulation of the catheter of the present invention, if the patient's urethra without lesions can be the catheter directly into the bladder through the urethra for catheterization, if the patient's urethra becomes long tapered twist, there are three operating modes, a first: from a urinary catheter inserted into the opening 3 having a certain hardness and elasticity elbow metal bougie 13, increase the stiffness of the catheter and change the curvature of the head of the catheter the catheter is formed of a shape similar to urinary dilators, more consistent physical structure of the urethra, facilitate insertion, the top of the head bend metal bougie 13 is provided in the recess 8 on the projections 12, the projections 8 prevents rupturing elbow metal bougie catheter 13 to the patient causing damage to the urethra, the groove 12 can effectively prevent slipping bend metal bougie 13, out through the guidewire passage aperture 7 catheterization or 2; the second : small holes through the top of the bladder or sheath urethroscopically hollow metal urethral stent indwelling guidewire or a black zebra loach guidewire within the urethra, and then to retain the guide wire exit dilator, the guide wire of the present invention guidewire passage 7 penetrates the catheter catheterization ,导尿管循导丝插入尿道; 第三种:对于尿道损伤患者,可以采用内窥镜直视下将斑马导丝或黑泥鳅导丝通过损伤部位置入膀胱,然后保留导丝退出内窥镜,将导丝通过本发明所述的导尿管上的导丝通道7 穿入导尿管,导尿管循导丝插入尿道。 , Follow the guide wire catheter into the urethra; third: damage to the patient's urethra, may be employed under Endoscope black zebra loach guidewire or guidewire into the bladder through the injury site, and keep the guide wire exit endoscopic mirror, the guidewire through the guidewire channel of the catheter according to the present invention penetrate catheter 7, catheter guide wire inserted into the urethra cycle. 可见在采用第二种和第三种操作方式时,穿入导丝方便,节省时间,避免了医务人员在现有导尿管上自行穿孔时操作不慎造成的针刺伤。 Visible when using the second and third mode of operation, the guide wire penetrates easily, save time and avoid the inadvertent needle stick injury caused by the operation of the medical staff in the conventional self-piercing catheter. 当导尿管进去膀胱内有尿液流出时,再继续将之插入4-5cm,然后从气囊通道口6向内固定气囊4 内注入液体或气体,固定好导尿管,然后抽出弯头金属探条13或导丝,尿液从导尿管排出。 When the flow of urine into the bladder catheter, and then continue to insert it into 4-5cm, then injecting a liquid or gas from the airbag passage port 6 is fixed inwardly of the airbag 4, fixed catheter and out the elbow metal bougie or guide wire 13, urine from the catheter. 设置的冲洗腔道10可以方便医务人员对患者膀胱进行冲洗,操作时,从冲洗通道口11注入冲洗液,冲洗液经冲洗腔道10从冲洗孔9流出,进入膀胱。 Flushing lumen 10 can be easily provided to a patient medical personnel bladder flushing, operation, rinsing liquid is injected from the irrigation channel port 11, flows out of the flushing holes 10 9 rinsed cavity flushing fluid, into the bladder.

[0035] 以上所述,仅是本发明的较佳实施例,并非对本发明作任何限制,凡是根据本发明技术实质对以上实施例所作的任何简单修改、变更以及等效结构变化,均仍属于本发明技术方案的保护范围内。 [0035] The above are only preferred embodiments of the present invention, not any limitation of the present invention, any simple modification according to any of the technical spirit of the present invention made of the foregoing embodiments, changes and equivalents structural changes, fall within the scope of the technical solution of the present invention.

Claims (3)

1. 一种导尿管,包括主导管(1)、主导管(1)顶端侧壁的导尿孔(2)和主导管(1)末端的出尿口(3),其特征在于:所述主导管(1)顶端位于导尿孔O)的下部设有内固定气囊G),所述主导管(1)中设有气囊腔道(5),所述气囊腔道(5)的一端与内固定气囊(4)相接,所述气囊腔道(5)的另一端在导尿管末端形成独立的气囊通道口(6),所述主导管(1) 顶端设有用于插入导丝的导丝通道(7),所述导丝通道(7)四周设有与主导管(1)侧壁相接且用于防止金属探条穿破导尿管的凸起(8),所述凸起(8)位于导尿孔(2)的上部且与主导管(1)顶端为一整体,所述凸起(8)上设有一个或多个用于防止金属探条滑脱的凹槽(12)。 A catheter, comprising a main duct (1), the main conduit (1) tip catheterization hole sidewall (2) and the main conduit (1) out of the urine outlet end (3), characterized in that: the one end of said main duct (1) is located in the top hole catheterization O) of a lower portion of the airbag is provided with a fixed G), the main duct (1) is provided with a balloon lumen (5), the balloon lumen (5) (6) and the inner balloon is fixed (4) contact the balloon lumen (5) formed in the other end separate balloon catheter passage opening in the end, the main duct (1) is provided for inserting the guide wire to the top a guidewire passage (7), said guide wire passage (7) surrounded by projection (8) pierced metal bougie catheter with a main conduit (1) and for preventing contact with the side wall, the projections (8) located catheterization hole (2) and the upper portion of the main duct (1) is integral to the top, the projection (8) provided with one or more recesses for preventing slippage of the metal bougie (12).
2.按照权利要求1所述的一种导尿管,其特征在于:所述主导管(1)顶端位于导尿孔(2)的上部设有冲洗孔(9),所述主导管(1)中设有冲洗腔道(10),所述冲洗腔道(10)的一端与冲洗孔(9)相接,所述冲洗腔道(10)的另一端在导尿管末端形成独立的冲洗通道口(11)。 2. The catheter according to one kind of claim 1, wherein: said main pipe (1) located at the top catheterization hole (2) provided with an upper flushing hole (9), the main duct (1 ) is provided with a flushing lumen (10), the flushing lumen (10) is flush with the end hole (9) in contact with the flushing lumen (10) formed in the other end of the catheter at the end of a separate flushing passage opening (11).
3.按照权利要求1所述的一种导尿管,其特征在于:所述凹槽(12)为圆柱形、半球形或环绕导丝通道(7)的环形。 3. The catheter according to one kind of claim 1, wherein: said recess (12) is cylindrical, hemispherical or annular passage surrounding the guide wire (7).
CN2010102801010A 2010-09-10 2010-09-10 Catheter CN101947346B (en)

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CN104107500A (en) * 2014-07-29 2014-10-22 江苏康诺医疗器械有限公司 Sterile super-lubricity antiseep safety catheter structure
CN104922777B (en) * 2015-07-02 2018-04-17 江苏省肿瘤医院 An adjustable catheter tip aperture size
CN106215310A (en) * 2016-07-14 2016-12-14 成都嘉宝祥生物科技有限公司 Catheter for urethra dilation and production method for same

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4850358A (en) 1986-11-14 1989-07-25 Millar Instruments, Inc. Method and assembly for introducing multiple devices into a biological vessel
US5201315A (en) 1991-10-08 1993-04-13 Griffith James M Ultrasound imaging sheath
WO1998042399A1 (en) 1997-03-25 1998-10-01 Radius Medical Technologies, Inc. Flexible guidewire with radiopaque plastic tip
WO1998052637A1 (en) 1997-05-23 1998-11-26 Biosense, Inc. Catheter with oblique lumen
US6022319A (en) 1991-05-23 2000-02-08 Scimed Life Systems, Inc. Intravascular device such as introducer sheath or balloon catheter or the like and methods for use thereof
WO2001005330A1 (en) 1999-07-20 2001-01-25 Karram Mickey M Apparatus and method to facilitate intermittent self-catheterization
WO2007049313A1 (en) 2005-10-28 2007-05-03 Invatec S.R.L. Auxiliary probes
WO2010014799A1 (en) 2008-07-30 2010-02-04 Acclarent, Inc. Paranasal ostium finder devices and methods

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030032936A1 (en) * 2001-08-10 2003-02-13 Lederman Robert J. Side-exit catheter and method for its use

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4850358A (en) 1986-11-14 1989-07-25 Millar Instruments, Inc. Method and assembly for introducing multiple devices into a biological vessel
US6022319A (en) 1991-05-23 2000-02-08 Scimed Life Systems, Inc. Intravascular device such as introducer sheath or balloon catheter or the like and methods for use thereof
US5201315A (en) 1991-10-08 1993-04-13 Griffith James M Ultrasound imaging sheath
WO1998042399A1 (en) 1997-03-25 1998-10-01 Radius Medical Technologies, Inc. Flexible guidewire with radiopaque plastic tip
WO1998052637A1 (en) 1997-05-23 1998-11-26 Biosense, Inc. Catheter with oblique lumen
WO2001005330A1 (en) 1999-07-20 2001-01-25 Karram Mickey M Apparatus and method to facilitate intermittent self-catheterization
WO2007049313A1 (en) 2005-10-28 2007-05-03 Invatec S.R.L. Auxiliary probes
WO2010014799A1 (en) 2008-07-30 2010-02-04 Acclarent, Inc. Paranasal ostium finder devices and methods

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