CN102805893A - Hollow balloon catheter not blocking blood/air flow - Google Patents

Hollow balloon catheter not blocking blood/air flow Download PDF

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Publication number
CN102805893A
CN102805893A CN 201110145363 CN201110145363A CN102805893A CN 102805893 A CN102805893 A CN 102805893A CN 201110145363 CN201110145363 CN 201110145363 CN 201110145363 A CN201110145363 A CN 201110145363A CN 102805893 A CN102805893 A CN 102805893A
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hollow
balloon
catheter
blood
injection
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CN 201110145363
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Chinese (zh)
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李永东
李明华
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上海市第六人民医院
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Abstract

The invention provides a balloon catheter not blocking a blood/air flow, which comprises a hollow balloon and a catheter and is characterized in that a through hole area is formed on the balloon of the balloon catheter, one or more through holes are formed in the through hole area, and therefore the hollow balloon catheter not blocking the blood/air flow is formed; the inner part of a balloon wall is in a hollow structure, and can be filled with gas or liquid; the catheter can be arranged on one side or in the center of a balloon main body and is provided with a liquid injection chamber; and the liquid injection chamber is communicated with the inner part of the balloon wall. When the hollow balloon main body expands, the balloon catheter can play a role in dilating blood vessels, while the hollow part can ensure the smooth blood/air flow, and the ischemia or necrosis of the distal blood vessels or tissues are not caused. In addition, the balloon catheter can be placed in the blood vessels and a narrow place for a longer time, and has functions of a temporary blood stent.

Description

—种不阻断血/气流的空心/中空球囊导管技术领域 - Species not block the blood / air flow hollow / hollow balloon catheter Field

[0001] 本发明涉及一种介入医疗器械,具体说是涉及一种应用于全身动脉或静脉血管的不阻断血/气流的医用空心/中空囊导管。 [0001] The present invention relates to an interventional medical device, particularly, to a applied to the systemic arterial or venous blood vessels do not block / stream medical hollow / hollow balloon catheter.

背景技术 Background technique

[0002] 随着介入放射学技术的发展,球囊在介入治疗中的应用日趋广泛,将其置入至人体腔道狭窄处,可在一定时间内使腔道得到扩张,从而有力于治疗的进行。 [0002] With the development of interventional radiology techniques, with balloon in interventional therapy increasingly widespread, which is inserted into the body cavity stenosis, can be obtained so that the expansion cavity within a certain period of time, thereby effectively in the treatment of get on. 目前,球囊已成功用于血管狭窄或闭塞性病变的扩张成形或颅内动脉瘤的辅助治疗。 Currently, the balloon has been successfully used for angioplasty or vascular stenosis or occlusive disease adjuvant treatment of intracranial aneurysms. 而随着球囊介入治疗的广泛有效的治疗效果,所用的球囊也不断地发展,得到改进,使得其在应用中更方便,以达到更好的治疗效果。 With the balloon involved in a wide range of effective therapeutic effects of treatment, the use of balloon also constantly evolving, improved, making it more convenient in applications to achieve better therapeutic effect.

[0003] 如中国专利CN100473433C提供了一种球囊导管,通过对于导管的结构与材料改进,使得该种球囊导管更容易的行进到治疗部位,导管也可以更好的满足很多的互相对立的要求,提高使用球囊的治疗效果,尤其在管状动脉成形术领域中其效果更明显;又如中国专利CN 2933449Y提供了一种带有导管一端三通管的医用球囊扩张器,改变了一般使用球囊治疗时,先需多次插入内窥镜才能顺利将球囊送入治疗部位的缺陷,只需依次插入内窥镜便可完成球囊安放,从而减少了医生的工作量,也减轻了病人的痛苦。 [0003] The Chinese patent CN100473433C is provided a balloon catheter, by improving the structure and material of the catheter, so that this type of balloon catheter more easily travel to the treatment site, the catheter may be much better meet opposition to each other requirements, improve therapeutic effect using a balloon, particularly in the field of angioplasty arteries tubular its effect is more pronounced; Chinese patent CN 2933449Y Another example is provided with one kind of medical balloon catheter stent end tee, changing the general when using the balloon therapy, the first to be repeated in order to successfully insert the endoscope into the treatment site balloon defects, simply in order to complete the insertion of the endoscope balloon placed, thus reducing the workload of doctors, but also reduce the suffering of the patients. 但是上述两种球囊由于在使用时会一定程度上阻断血/气流,一般只能短期使用,不然可能造成由于血流阻塞,导致远端血管或组织缺血,并导致严重后果。 But these two balloon due to the use of blocking blood / air flow will be to a certain extent, generally only short-term use, or can be caused by blockage of blood flow, leading to distal vessel or tissue ischemia, and lead to serious consequences. 中国专利CN 201279187Y在球囊的内壁与外壁之间开设了多个通孔,尽管在应用时可以允许少部分血流通过,但仍然阻断了大部分血流,不可以长时间放置。 Chinese patent CN 201279187Y between the inner and outer walls of the balloon to open a plurality of through holes, although you can allow blood flow through small portion at the time of application, but still blocked most of the blood flow, can not place a long time. 否则依会然造成远端血管或组织缺血,使病人的生命健康受到威胁。 Otherwise, according to the will then cause the distal vessel or tissue ischemia, the health of the patient's life is threatened.

发明内容 SUMMARY

[0004] 本发明提供了一种不阻断血/气流的空心/中空囊导管,本发明包括一作为主体的球囊,在所述球囊的中间开设一个或多个贯通所述球囊的通孔,当球囊在膨胀时,起到扩张血管的作用,而球囊上开设有所述通孔的空心部分能确保血/气流顺利通过,避免了远端的血管或组织缺血或坏死,形成能通过血流的空心/中空球囊,克服现有的球囊阻断血流和不能长期放置的不足的问题。 [0004] The present invention provides a non-blocking hollow blood / air flow / hollow balloon catheter, a balloon of the present invention comprises as a main component, one or more through opening in the middle of the balloon of the balloon the through hole, when the balloon during expansion, dilation of blood vessels play a role, and the upper portion of the balloon defines a hollow through hole to ensure blood / gas stream passed, avoiding the distal vessels or tissue ischemia or necrosis , formed by a hollow blood / hollow balloon, the balloon overcomes the problems of the prior not blocking blood flow and insufficient long-term placement.

[0005] 本发明一种不阻断血/气流的空心/中空囊导管通过以下技术方案实现其目的: 一种不阻断血/气流的空心/中空球囊导管,其中,包括空心/中空球囊和导管;在所 [0005] The present invention which does not block the blood / air flow hollow / hollow balloon catheter to achieve its object by the following technical solutions: A blood do not block / stream hollow / hollow balloon catheter, comprising a hollow / hollow sphere and a balloon catheter; in the

述的空心/中空球囊中央设有通孔区域,所述通孔区域开设有一个或多个贯穿所述球囊用于血/气流畅通的通孔;所述空心/中空球囊的球囊壁内部为中空结构,且充有气体或液体; Hollow-described / balloon hollow central region is provided with a through hole, the through hole defines a region or a plurality of balloons through the blood / gas flow through flow aperture; said hollow / hollow balloon balloon the internal wall of a hollow structure, and filled with a gas or liquid;

所述导管中设有注液腔,所述注液腔与所述的空心/中空球囊的球囊壁内部相通。 The catheter is provided with the injection chamber, said inner balloon wall injection liquid chamber and the hollow / hollow balloon communication.

[0006] 上述的不阻断血/气流的空心/中空球囊导管,其中,所述空心/中空球囊的球囊壁厚约为0. 5〜1mm。 [0006] The blood does not block / stream hollow / hollow balloon catheter, wherein the balloon wall thickness of the hollow / hollow balloon about 0. 5~1mm. [0007] 上述的不阻断血/气流的空心/中空球囊导管,其中,所述球囊的球囊壁厚度与所述通孔区域半径的比为1:3〜1:5。 [0007] The blood does not block / stream hollow / hollow balloon catheter, wherein the balloon of the balloon wall thickness than the radius of the through hole is 1: 3~1: 5.

[0008] 上述的不阻断血/气流的空心/中空球囊导管,其中,所述球囊采用高分子材料或是娃I父等制成。 [0008] The blood does not block / stream hollow / hollow balloon catheter, wherein the balloon is made of a polymer material or the like baby I parent.

[0009] 上述的不阻断血/气流的空心/中空球囊导管,其中,所述导管一端安装于所述空心/中空球囊的两侧或中央,且在所述导管的注液腔侧壁开设注射孔,且所述注液腔通过注射孔与所述球囊壁的内部相通。 [0009] The blood does not block / stream hollow / hollow balloon catheter, wherein said catheter is attached to one end or both sides of the central hollow / hollow balloon, and in the injection lumen of the catheter side wall defines an injection hole, and the injection chamber through the injection hole communicates with the interior of the balloon wall.

[0010] 上述的不阻断血/气流的空心/中空球囊导管,其中,所述导管一端安装于所述球囊的侧壁中,且所述导管的注液腔侧壁开设注射孔,所述注液腔通过注射孔与所述球囊内部相通。 [0010] The blood does not block / stream hollow / hollow balloon catheter, wherein said catheter is attached to an end of the side wall of the balloon, the catheter and the liquid injection chamber sidewall defines the injection hole, the injection chamber through the injection hole communicates with the interior of the balloon.

[0011] 上述的不阻断血/气流的空心/中空球囊导管,其中,所述导管还设有一导丝腔。 [0011] The blood does not block / stream hollow / hollow balloon catheter, wherein the catheter further provided with a guide wire lumen. [0012] 上述的不阻断血/气流的空心/中空球囊导管,其中,所述导丝腔位于所述导管中央,所述的注液腔设于所述导丝腔外围,所述导丝腔与所述注液腔呈同轴环绕分布。 [0012] The blood does not block / stream hollow / hollow balloon catheter wherein the guidewire lumen located in said central duct, said liquid injection chamber provided in the periphery of the guide wire lumen, said guide wire lumen and the injection chamber coaxially surrounding distribution.

[0013] 上述的不阻断血/气流的空心/中空球囊导管,其中,所述导管的一端装有三通管,所述三通管的其中一个管口与所述导管连接;且所述三通管的另两个管口分别与所述导管的导丝腔和注液腔相通,其中与所述注液腔相通的管口为注射口,另一个为导丝口。 [0013] The blood does not block / stream hollow / hollow balloon catheter, wherein one end of the catheter equipped with tee, said tee wherein a nozzle connected to the conduit; and the the other two orifice tee respectively guidewire lumen of the catheter and the injection chamber communicates, wherein the liquid chamber communicating with the injection orifice of an injection port, the other is a guide wire port.

[0014] 上述的不阻断血/气流的空心/中空球囊导管,其中,所述空心/中空球囊为圆筒形。 [0014] The blood does not block / stream hollow / hollow balloon catheter, wherein the hollow / hollow cylindrical balloon.

[0015] 采用本发明一种不阻断血/气流的空心/中空球囊导管的优点在于: [0015] According to the present invention which does not block the blood / advantages hollow / hollow balloon catheter stream comprising:

I.本发明的球囊主体在膨胀时,起到扩张血管的作用,而通孔区域的通孔能确保血/气流顺利通过,避免了远端的血管或组织缺血或坏死。 I. balloon body of the present invention when inflated, play a role in dilation of blood vessels, and the through hole of the through-hole area ensures that blood / air flow passed, avoiding the distal vessels or tissue ischemia or necrosis.

[0016] 2.采用本发明可以在血管内或狭窄处较长时间放置,在一定程度上起到临时支架所起到的作用,提高治疗效果。 [0016] 2. The present invention may be longer or constriction is placed in a blood vessel, play the role of temporary support to some extent, improve the therapeutic effect.

附图说明 BRIEF DESCRIPTION

[0017] 图I为导管偏侧型的不阻断血/气流的空心/中空球囊导管的结构示意图; [0017] FIG hollow stream I / schematic structure of a hollow catheter balloon catheter does not block unilateral type blood /;

图2为导管偏侧型的不阻断血/气流的空心/中空球囊导管的球囊的截面结构示意图。 FIG 2 is a schematic cross-sectional configuration of the catheter does not block unilateral type blood / gas flow hollow / hollow balloon catheter balloon.

[0018] 图3为导管中央型的不阻断血/气流的空心/中空球囊导管的结构示意图; [0018] FIG. 3 is a central duct does not block the blood / air flow hollow / schematic view of a hollow catheter balloon structure;

图4为导管中央型的不阻断血/气流的空心/中空球囊导管的球囊的截面结构示意图。 FIG 4 is a schematic view of the central section of the duct does not block the blood / air flow hollow / hollow balloon catheter balloon.

具体实施方式 detailed description

[0019] 实施例I : [0019] Example I:

图I为本发明的一种导管位于偏侧的不阻断血/气流的空心/中空球囊导管的实施例示意图,图2为该实施例的球囊的截面示意图,如图所示,本发明包括球囊I和导管2,所述球囊2为圆筒形。 FIG embodiment of a catheter of the present invention positioned laterality I does not block the blood / air flow hollow / hollow schematic balloon catheter, FIG 2 is a cross sectional schematic view of an embodiment of a balloon, as shown, the present invention comprises a balloon catheter I and 2, the balloon 2 has a cylindrical shape. 在所述的球囊I中央,设有通孔区域,在所述通孔区域,沿所述导管2方向开设有一个圆形通孔13,所述圆筒形通孔13贯穿所述球囊1,使得所述球囊I的中央呈空心结构,形成血/气流的空心/中空球囊管道。 In the center of the balloon I, a through-hole region, the through hole region, defines a circular through hole 13 in the direction of the catheter 2, the cylindrical through hole 13 extending through the balloon 1, so that the balloon structure I in the form of a central hollow, a hollow blood / air flow / hollow balloon conduit. 当本发明放入人体血管狭窄处,扩张血管,同时,血管中的血液可从所述通孔13中流过,保持人体血液畅通;所述球囊I的球囊壁内部15为中空结构,且充有气体或液体,用于扩张血管,且在血管中可起到临时支架的作用。 When the present invention is placed in a body vessel stenosis, dilation of blood vessels, while blood vessels may be from 13 to flow through the through hole, to maintain blood flow; I said inner balloon wall of the balloon 15 has a hollow structure, and filled with gas or liquid, for dilating blood vessels, and can function as a temporary stent in a blood vessel.

[0020] 所述导管2中包括以一导丝腔21和一注液腔22,所述导丝腔21位于所述导管2中央,所述的注液腔22设于所述导丝腔21外围,使得所述导丝腔21与所述注液腔22呈同轴环绕分布。 In [0020] The catheter 2 comprises a guide wire lumen 21 and an injection chamber 22, the guidewire lumen 21 of the catheter 2 is located in the center of the injection chamber 22 provided in the guide wire lumen 21 periphery, such that the guide wire lumen 21 has the injection chamber 22 coaxially surrounding distribution. 所述导管的一端安装在所述球囊I中,如图I中,若在所述球囊I的侧壁挖以通孔4(实际并不存在该通孔4,只是为了描述需要),我们便可以发现,位于所述球囊I壁的内部的导管2在所述注液腔22的侧壁上开有多个注射孔23,且与所述球囊I的球囊壁的内部15相通,可为所述球囊I的球囊壁内部15注释液体或气体,使得所述球囊I扩张。 The end of the conduit is attached to the balloon I, as I, if the through-holes 4 to dig in a side wall of the balloon I (actual presence of the through-hole 4 does not only need to be described), we can find the balloon catheter positioned inside the wall 2 I with a plurality of injection holes 23 on the side wall of the injection chamber 22, the ball and the inner wall of the balloon 15 is I communication, may be a balloon wall of the balloon interior 15 I Notes liquid or gas, such that the balloon expandable I. 所述导管2的另一端装有三通管3,所述三通管3 —个管口33与所述导管连接2,套于所述导管2上,且所述三通管的另两个管口32和31分别与所述导管的导丝腔21和注液腔22相通;与所述注液腔22相通的管口31为注射口,另一个管口32为导丝口,其与所述导管2的导丝腔21相通。 The other end of catheter 2 with 3 tee, said tee 3 - of the nozzle 33 is connected to the catheter 2, the catheter 2 to the sleeve, and the other two pipe tee ports 32 and 31 respectively of the catheter guidewire lumen 21 and the injection chamber 22 communicating; injection chamber 22 and the nozzle communicating port 31 is an injection, a further nozzle 32 to the guide wire port, with the said guide wire lumen 21 of the catheter 2 communicates. 使用时,通过向三通管3的注射口31向所述球囊I的壁内充气或注液,使球囊I主体充盈。 In use, through the wall of the balloon to the inflator I into the tee 31 or the injection port 3 of the injection, filling the balloon body I. 在球囊I充盈的同时,既不阻断血流,又扩张了原本狭窄的血管,而且可以长时间放置,不会引起远端的血管或组织缺血或坏死。 While filling the balloon I, neither blocking blood flow and expansion of the original narrow blood vessels, and can be placed for a long time, it does not cause distal vessels or tissue ischemia or necrosis. [0021] 所述球囊I可以采用高分子材料或是硅胶等制成;且所述球囊I的球囊壁厚dl约为0. 5〜lmm,而所述球囊的侧壁厚度dl与通孔区域的半径Dl (本实施实例中也即所述通孔13的半径)比间于1:3〜1:5之间,该比例越大越好,这样利于血/气流的通过。 [0021] The balloon may be made of a polymer material I silica gel or the like; and a wall thickness of the balloon of the balloon I dl about 0. 5~lmm, and the balloon sidewall thickness dl the radius of the through-hole region Dl (i.e., in the present embodiment example the radius of the through hole 13) in the ratio of between 1: 3~1: 5, between the ratio the better, so conducive to cross the blood / air flow.

[0022] 实施例2 : [0022] Example 2:

图3为一种导管位于中央的本发明不阻断血/气流的空心/中空球囊导管的实施例示意图,图4为本实施例的球囊的截面示意图,如图所示,本发明包括球囊I和导管2,所述球囊2为圆筒形。 Example 3 is a schematic view of a catheter according to the present invention does not block the central blood / gas flow hollow / hollow balloon catheter, FIG 4 is a schematic sectional view of the balloon of the embodiment of the present embodiment, as shown, the present invention comprises I and the balloon catheter 2, the balloon 2 has a cylindrical shape. 在所述的球囊I中央设置通孔区域,沿所述导管2方向开设有两个通孔,通孔11和通孔12,所述两个通孔贯穿所述球囊1,使得所述球囊I的中央呈空心结构,形成血/气流的空心/中空球囊管道。 I balloon region of the central through hole, and defines two through holes in the direction of the catheter 2, the through-hole 11 and through hole 12, through said two through holes of the balloon 1, such that the I is the center of the balloon a hollow structure, the formation of blood / gas stream hollow / hollow balloon conduit. 当本发明放入人体血管狭窄处,扩张血管,同时,血管中的血液可从所述通孔11和通孔12中流过,保持人体血液畅通;所述导管2则所述通孔11和12分隔壁之间,所述球囊I的球囊壁内部15为中空结构,且充有气体或液体,用于扩张血管,且在血管中可起到临时支架的作用。 When the present invention is placed in a body vessel stenosis, dilation of blood vessels, while blood vessels may flow from the through-hole 11 and through hole 12 through, maintaining blood flow; 2 of the catheter 11 and the through hole 12 between the partition wall, the balloon wall I of the inner ball 15 is hollow and filled with a gas or a liquid, for dilating blood vessels, and can function as a temporary stent in a blood vessel.

[0023] 所述导管2中包括以一导丝腔21和一注液腔22,所述导丝腔21位于所述导管2中央,所述的注液腔22设于所述导丝腔21外围,使得所述导丝腔21与所述注液腔22呈同轴环绕分布。 In [0023] The catheter 2 comprises a guide wire lumen 21 and an injection chamber 22, the guidewire lumen 21 of the catheter 2 is located in the center of the injection chamber 22 provided in the guide wire lumen 21 periphery, such that the guide wire lumen 21 has the injection chamber 22 coaxially surrounding distribution. 所述导管2位于所述球囊I中间,所述注液腔22的侧壁上开有多个注射孔,且与所述球囊I的球囊壁的内部相通,可为所述球囊I的球囊壁内部注释液体或气体,使得所述球囊I扩张。 The balloon catheter 2 is located in the middle of the I, the injection chamber 22 on the side wall with a plurality of injection holes, and communicates with the interior of the balloon wall of the balloon I, the balloon may be Note I balloon wall interior liquid or gas, such that the balloon expandable I. 所述导管2的另一端装有三通管3,所述三通管3 —个管口33与所述导管连接2 ;所述三通管的另两个管口32和31分别与所述导管的导丝腔21和注液腔22相通;与所述注液腔22相通的管口为注射口31,另一个管口为导丝口32,其与所述导丝腔21相通。 The other end of the catheter 2 with 3 tee, said tee 3 - of the nozzle 33 is connected to the conduit 2; the other of said two orifice tee 32 and conduit 31, respectively, with the guidewire lumen 21 and the injection chamber 22 communicates; with the injection nozzle 22 communicating chamber injection port 31, the other nozzle for the guide wire port 32, which communicates with the guide wire lumen 21. 使用时,通过向三通管3的注射口31向所述球囊I的球囊壁内充气或注液,使球囊I主体充盈。 In use, through the injection port 3 to the tee into the balloon wall 31 of the balloon inflation or injection I, I body filling the balloon. 在球囊I充盈的同时,既不阻断血流,又扩张了原本狭窄的血管,而且可以长时间放置,不会引起远端的血管或组织缺血或坏死。 While filling the balloon I, neither blocking blood flow and expansion of the original narrow blood vessels, and can be placed for a long time, it does not cause distal vessels or tissue ischemia or necrosis.

[0024] 所述球囊I采用高分子材料或是硅胶制成;且所述球囊I的球囊壁厚d2约为0. 5〜lmm,而所述球囊的侧壁厚度d2与所述通孔区域的半径D2比间于1:3飞之间,该比例越大越好,这样利于血/气流通过。 [0024] The use of polymer materials I or balloon made of silicone; thickness d2 of the balloon and the balloon is about I 0. 5~lmm, and the thickness d2 of the balloon and the side wall between the radius of said through hole to area ratio of D2 1: 3 between the fly, the larger the ratio, the better, so conducive to blood / gas flow through. [0025] 使用时,根据所述不阻断血/气流的空心/中空球囊导管使用的血管需要不同,从而选择导管不同型号的球囊导管,使得治疗更方便。 [0025] When used according to the blood does not block / stream hollow / hollow vessel requires the use of different balloon catheters, catheters to select different types of balloon catheters, such that treatment is more convenient.

[0026] 本发明不阻断血/气流的空心/中空球囊导管使用方法如下:实际操作时,先经股动脉插入5F或6F鞘管,经鞘管送入导丝至狭窄部位,然后通过导丝送入本发明的球囊I至狭窄处,用注射器向三通管3的注射口31充气或注液,气体或液体经导管上的通孔进入球囊I的球囊壁内,使球囊I膨胀,在不阻断血流的前提下,达到治疗目的。 [0026] The present invention does not block the blood / hollow / hollow gas flow method using a balloon catheter is as follows: the actual operation, to insert or 5F 6F sheath through the femoral artery, through the sheath to the guidewire into the stenosis, and then by the guide wire into the balloon of the present invention I to stenosis, the three-way syringe with the liquid injection 31 or pneumatic, gas or liquid through the through-hole of the balloon catheter into the balloon wall pipe I injection port 3, so that I balloon inflated, without blocking the blood flow, for therapeutic purposes.

[0027] 以上对本发明的具体实施例进行了详细描述,但其只是作为范例,本发明并不限制于以上描述的具体实施例。 [0027] The foregoing specific embodiments of the present invention has been described in detail, but just as an example, the present invention is not limited to the specific embodiments described above. 对于本领域技术人员而言,任何对本发明进行的等同修改和替代也都在本发明的范畴之中。 To those skilled in the art, any equivalent modifications and alternatives to the present invention are also in the scope of the invention. 因此,在不脱离本发明的精神和范围下所作的均等变换和修改,都应涵盖在本发明的范围内。 Thus, variations and modifications made to uniformly without departing from the spirit and scope of the present invention, shall fall within the scope of the present invention.

Claims (10)

  1. 1. 一种不阻断血/气流的空心/中空球囊导管,其特征在于,包括空心/中空球囊和导管;在所述的空心/中空球囊中央设有通孔区域,所述通孔区域开设有一个或多个贯穿所述球囊用于血/气流畅通的通孔;所述空心/中空球囊的球囊壁内部为中空结构,且充有气体或液体; 所述导管中设有注液腔,所述注液腔与所述的空心/中空球囊的球囊壁内部相通。 A not block the blood / air flow hollow / hollow balloon catheter comprising a hollow / balloon and a hollow catheter; a through hole in the hollow area / hollow center of the balloon, through the hole region defines one or more of the balloons through a blood / air flow requirements of the through hole; inner wall of the hollow ball / hollow balloon is hollow and is filled with gas or liquid; the conduit with injection liquid chamber, said liquid injection chamber inner balloon wall and the hollow / hollow balloon communication.
  2. 2.根据权利要求I所述的不阻断血/气流的空心/中空球囊导管,其特征在于,所述空心/中空球囊的球囊壁厚约为0. 5〜1mm。 According to claim I does not block the blood / hollow / hollow balloon catheter stream, characterized in that the hollow / hollow balloon, the balloon wall thickness of about 0. 5~1mm.
  3. 3.根据权利要求I所述的不阻断血/气流的空心/中空球囊导管,其特征在于,所述球囊的球囊壁厚度与所述通孔区域半径的比为1: 3〜1: 5。 The blood does not block the I / hollow / airflow hollow balloon catheter of claim wherein the balloon than the balloon wall thickness and radius of the through hole is 1: 3 ~ 1: 5.
  4. 4.根据权利要求I所述的不阻断血/气流的空心/中空球囊导管,其特征在于,所述球囊采用高分子材料或是硅胶等制成。 The blood does not block the I / hollow stream / hollow balloon catheter, wherein the balloon is made of a polymer material such as silica gel or claims.
  5. 5.根据权利要求I所述的不阻断血/气流的空心/中空球囊导管,其特征在于,所述导管一端安装于所述空心/中空球囊的两侧或中央,且在所述导管的注液腔侧壁开设注射孔,且所述注液腔通过注射孔与所述球囊壁的内部相通。 The blood does not block the I / hollow / hollow balloon catheter as claimed in claim stream, wherein an end of said conduit attached to both sides of the central hollow or / hollow balloon, and in the the injection chamber defines an injection hole side wall of the catheter, and the injection chamber through the injection hole communicates with the interior of the balloon wall.
  6. 6.根据权利要求I所述的不阻断血/气流的空心/中空球囊导管,其特征在于,所述导管一端安装于所述球囊的侧壁中,且所述导管的注液腔侧壁开设注射孔,所述注液腔通过注射孔与所述球囊内部相通。 6. I do not block the blood / air flow hollow / hollow balloon catheter as claimed in claim, wherein said liquid injection catheter lumen of the catheter of the balloon is attached to an end of the side walls, and sidewall defines an injection hole, the injection chamber through the injection hole communicates with the interior of the balloon.
  7. 7.根据权利要求5或6所述的不阻断血/气流的空心/中空球囊导管,其特征在于,所述导管还设有一导丝腔。 The block is not 5 or 6, the blood / air flow hollow / hollow balloon catheter as claimed in claim, wherein said catheter further provided with a guide wire lumen.
  8. 8.根据权利要求7所述的不阻断血/气流的空心/中空球囊导管,其特征在于,所述导丝腔位于所述导管中央,所述的注液腔设于所述导丝腔外围,所述导丝腔与所述注液腔呈同轴环绕分布。 Do not block the blood / air flow hollow / hollow balloon catheter according to claim 7, characterized in that said guidewire lumen located in said central duct, said liquid injection chamber provided in the guide wire a peripheral chamber, said guidewire lumen of said injection chamber and coaxially surrounding distribution.
  9. 9.根据权利要求8所述的不阻断血/气流的空心/中空球囊导管,其特征在于,所述导管的一端装有三通管,所述三通管的其中一个管口与所述导管连接;且所述三通管的另两个管口分别与所述导管的导丝腔和注液腔相通,其中与所述注液腔相通的管口为注射口,另一个为导丝口。 Do not block the blood / air flow hollow / hollow balloon catheter according to claim 8, wherein one end of the catheter equipped with tee, said tee wherein a nozzle of the catheter connector; and the other two are tee nozzle guide wire lumen in communication with the injection chamber and the conduit, wherein the injection nozzle and the liquid chamber communicating port injection, other guidewire mouth.
  10. 10.根据权利要求I所述的不阻断血/气流的空心/中空球囊导管,其特征在于,所述空心/中空球囊为圆筒形。 According to claim I does not block the blood / air flow hollow / hollow balloon catheter, characterized in that the hollow / hollow cylindrical balloon.
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103877673A (en) * 2014-03-31 2014-06-25 泸州医学院附属医院 Vasodilatation device
CN103948453A (en) * 2014-04-21 2014-07-30 上海市第六人民医院 Degradable magnesium alloy membranous stent and membranous stent system
CN105079951A (en) * 2015-09-22 2015-11-25 傅国胜 Perfusion medicine balloon
CN105530986A (en) * 2013-05-08 2016-04-27 埃姆博尔克斯公司 Device and methods for transvascular tumor embolization with integrated flow regulation
CN106726040A (en) * 2017-03-14 2017-05-31 重庆康华众联心血管病医院有限公司 Balloon following device for stents

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Publication number Priority date Publication date Assignee Title
US4909252A (en) * 1988-05-26 1990-03-20 The Regents Of The Univ. Of California Perfusion balloon catheter
CN2933449Y (en) * 2006-07-28 2007-08-15 常州市久虹医疗器械有限公司 Medical balloon dilator
CN101019774A (en) * 2007-02-12 2007-08-22 浙江大学 Blood vessel blocking drainage tube with thin wall sandwiched balloon
CN201279187Y (en) * 2008-10-30 2009-07-29 张春梅 Saccule

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4909252A (en) * 1988-05-26 1990-03-20 The Regents Of The Univ. Of California Perfusion balloon catheter
CN2933449Y (en) * 2006-07-28 2007-08-15 常州市久虹医疗器械有限公司 Medical balloon dilator
CN101019774A (en) * 2007-02-12 2007-08-22 浙江大学 Blood vessel blocking drainage tube with thin wall sandwiched balloon
CN201279187Y (en) * 2008-10-30 2009-07-29 张春梅 Saccule

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105530986A (en) * 2013-05-08 2016-04-27 埃姆博尔克斯公司 Device and methods for transvascular tumor embolization with integrated flow regulation
CN103877673A (en) * 2014-03-31 2014-06-25 泸州医学院附属医院 Vasodilatation device
CN103948453A (en) * 2014-04-21 2014-07-30 上海市第六人民医院 Degradable magnesium alloy membranous stent and membranous stent system
CN105079951A (en) * 2015-09-22 2015-11-25 傅国胜 Perfusion medicine balloon
CN106726040A (en) * 2017-03-14 2017-05-31 重庆康华众联心血管病医院有限公司 Balloon following device for stents

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