CN104208798A - Axillary artery cannula for achieving no perfusion ischemic areas during extracorporeal circulation period and application thereof - Google Patents

Axillary artery cannula for achieving no perfusion ischemic areas during extracorporeal circulation period and application thereof Download PDF

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Publication number
CN104208798A
CN104208798A CN 201410522552 CN201410522552A CN104208798A CN 104208798 A CN104208798 A CN 104208798A CN 201410522552 CN201410522552 CN 201410522552 CN 201410522552 A CN201410522552 A CN 201410522552A CN 104208798 A CN104208798 A CN 104208798A
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tube
cannula
perfusion
body
proximal end
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CN 201410522552
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Chinese (zh)
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黄晓
朱蕾
黄强
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黄晓
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Abstract

The invention relates to an axillary artery cannula for achieving no perfusion ischemic areas during extracorporeal circulation period and application thereof. The axillary artery cannula comprises a cannula body with a blood supplying end, and is characterized by also comprising a proximal artery tube and a distal artery tube which communicate with the cannula body and play roles in shunting and sharing pressure, thus forming an extracorporeal circulation plastic perfusion tube of which the whole structure is T-shaped or Y-shaped, wherein an included angle is reserved between the proximal artery tube of the perfusion tube with Y-shaped structure and the cannula body of the blood supplying end to distribute and adjust blood flow volume of perfusion. The axillary artery cannula is applied to a right axillary artery to achieve systemic arterial perfusion during the extracorporeal circulation period and selective cerebral perfusion during deep hypothermic circulatory arrest, and meanwhile can avoid right upper limb ischemia. Obviously, the axillary artery cannula can meet systemic arterial perfusion during the extracorporeal circulation period and cerebral perfusion during circulatory arrest, can distribute and adjust perfusion blood flow, and achieves no perfusion ischemic areas; and the axillary artery cannula is simple and convenient to operate, easy and reliable to fix, not prone to rising perfusion pressure and causing blood leakage, less in blood damage, greatly shortened in operation time and reduced in right upper limb ischemic time.

Description

体外循环期间无灌注缺血区域的腋动脉插管及应用 No perfusion of the ischemic area axillary artery during cardiopulmonary bypass and application

技术领域。 Technology.

[0001] 本发明涉及医疗器械领域,具体涉及一种体外循环期间无灌注缺血区域的腋动脉插管及应用。 [0001] The present invention relates to the field of medical devices, particularly non-ischemic area of ​​the axillary artery perfusion cannula during application and relates to a cardiopulmonary bypass.

背景技术 Background technique

[0002] 已有技术通常是应用一根长度20cm直插管,其一端连接人工心肺机动脉灌注管, 另一端插入右腋动脉,由于右侧腋动脉位置较深,显露及插管困难,很易损伤腋动脉、锁骨下静脉,腋神经等,手术难度较高。 [0002] The prior art typically use a length of 20cm line pipe having one end connected to an artificial heart-lung machine arterial infusion tube, and the other end inserted into the right axillary artery, axillary artery since the right position deeper, exposed and difficult intubation, it easy to damage the axillary artery, subclavian vein, axillary nerve, the higher the difficulty of operation. 而且病人手术期间由于插管对向近心端,位于远心端的右上肢一直处于缺血状态;另有应用直径8mm人工血管,一端连接人工心肺机动脉灌注管, 另一端必须缝合于右腋动脉或右颈总动脉,而缝合人工血管需要10分钟或更长时间,这段时间可能导致右侧颈总动脉缺血,从而使部分病人导致不可逆性缺血性脑损伤。 Since the patient during surgery and the proximal end of the cannula is located in the distal end of the right arm has been in the ischemic state; another Application of 8mm diameter artificial blood vessels, artificial heart lung machine end connected arterial infusion tube, and the other end to be sewn to the right axillary artery or the right carotid artery, and artificial blood vessel suturing take 10 minutes or longer, this time may cause ischemia right common carotid artery, so that some patients lead to irreversible ischemic brain injury. 缝合法的缺点还可导致肝素化期间吻合口漏血;另外,不同部位的动脉灌注必须使用各自专有的直插管或人工血管,不能通用,且在上述应用中已有技术的一根直插管无法或难以达到根据需要进行血流分配和压力调节。 Disadvantages also result in anastomotic suture during Louxue heparinized; Furthermore, different parts of the arterial perfusion must use their own proprietary artificial blood vessel or pipe line, not generic, and a prior art straight in such applications intubation impossible or difficult to achieve based on the need for blood pressure regulation and distribution. 显然操作简单,灌注可靠,尽可能减少脑缺血时间,以及预防其他器官缺血,减少脑并发症的发生和提高主动脉弓手术的成功率的医疗器械和方法, 是医患双方都渴望与苛求的。 Apparently simple, reliable perfusion, minimize cerebral ischemia time, and prevent other organ ischemia, reduce the incidence of cerebral complications and medical devices and methods of aortic arch surgery success rates of increase, is both doctors and patients are eager and demanding .

发明内容 SUMMARY

[0003] 本发明的目的在于提供一种腋动脉插管及其应用,以克服已有技术的诸种弊端和不足。 [0003] The object of the present invention is to provide an under-unite drawbacks axillary artery and its application to overcome the prior art.

[0004] 本发明的另一目的是提供一种可根据需要灌注血流量在血管中进行分配和调节的腋动脉插管,以尽量避免缝合手术、缩短手术时间以及减少右上肢缺血时间等。 [0004] Another object of the present invention is to provide a blood flow perfusion allocated in a blood vessel and adjusted as needed axillary artery, to minimize suture, shorten the operation time, and reduce the time the upper right limb ischemia.

[0005] 本发明是在已有插管的基础上,具体是把已有的作为供血的插管主体的一根直插管上,又增设两个有分流、分压作用的分支短管,即在总体结构上呈T型结构的医用灌注塑料管,或者呈Y型结构的体外循环医用灌注塑料管,达到灌注血的分流、分压,以控制或者调节血液灌注流量,并达到插管时简单、迅速,保证体外循环期间全身无缺血区域,同时显著减少缺血时间,减少并发症的发生等等。 [0005] The present invention is based on the cannula has, in particular on the existing blood supply to the body of the cannula as a pipe line, and additional two shunt, voltage division branch stub, i.e., the structure was in general T-shaped configuration of the medical infusion plastic tube, or in the form Y-type medical extracorporeal perfusion plastic pipe structure, to shunt blood perfusion, partial pressure, in order to adjust or control the flow of blood perfusion, and reaches the cannula simple, rapid, non-ischemic area to ensure that the body during cardiopulmonary bypass, while significantly reducing ischemic time, reduce complications, and so on.

[0006] 因此,本发明的最基本的技术方案:包括供血端的插管主体,其特征在于它还包括与插管主体相连通的有分流、分压作用的两个分支管一近心端管和远心端管,形成在总体结构上呈T型或者Y型结构的体外循环医用灌注塑料管,且上述近心端管的长度等于或稍大于远心端管的长度。 [0006] Thus, the most basic aspect of the present invention: includes a cannula body feeding end, characterized in that it comprises a body with a cannula in communication with a shunt, the partial pressure of two branch pipes effect a proximal end of the tube and the distal end of the tube, forming T-shaped or Y-shaped structure on the overall structure of extracorporeal perfusion of medical plastic tubing, and a length equal to or slightly greater than the length of the distal end of the proximal tube end of the tube.

[0007] 上述与插管主体相通的近心端管和远心端管三者是在同一个平面上,近心端管和远心端管在同一轴线,并且与插管主体的管径相同,或者小于插管主体的管径。 [0007] The tube and the proximal end of the distal end of the cannula tube body in communication with the above-described three are in the same plane, and the proximal end of the tube at the distal end of the same pipe axis, and is the same diameter of the cannula body , or less than the diameter of the cannula body.

[0008] 上述对于T型结构灌注塑料管所述的插管主体垂直于近心端管和远心端管,或者对于γ型结构灌注塑料管的近心端管和供血端的插管主体呈120-150°的夹角,远心端管和供血端的插管主体呈30-60°夹角,以控制或者调节灌注血流量。 Was 120 [0008] above for T structure infusion cannula body of the plastic pipe body perpendicular to the cannula tube and the proximal end of the feeding tube and the proximal end of the distal end of the tube, or a γ-type structure for the filling of the plastic tube -150 ° angle, the distal end of the cannula body and blood tube ends form an angle 30-60 °, in order to control or regulation of blood flow perfusion.

[0009] 上述的Y型结构灌注塑料管的近心端管和供血端的插管主体的最佳夹角为135。 Best angle cannula body tube and the proximal end of the blood [0009] The Y-shaped structure 135 filling the plastic tube. .

[0010] 考虑到便于手术插管,上述近心端管和远心端管的端头均呈45°斜口。 [0010] Considering the ease of surgical cannula the proximal end of the tube and the distal end of the tube end showed a 45 ° bevel.

[0011] 考虑到圆锥或球冠形更有利于手术插管,上述近心端管和远心端管的端头是至少有3个侧孔的球冠形,且各侧孔总面积大于插管主体的最大开口面积。 [0011] Considering the conical or spherical cap shape more conducive to surgical cannula the proximal end of the tube and the distal end of the tube end is a spherical cap having at least three side hole, and a total area larger than the insertion side holes the maximum open area of ​​the tube body. 这样也增大了进入近心端管和远心端管的血液灌注流量 This also increases the proximal end of the tube and into the distal end of the tube of blood flow perfusion

[0012] 考虑到可靠固定插管,并且尽可能减小手术切开的血管长度,上述分支管的近心端、远心端长度分别为1. 5cm和1. 0cm。 [0012] Considering the reliable fixation of the cannula, and to reduce the length of the vessel as possible surgical incision, the proximal end of the branch pipe, the distal end of 1. 5cm lengths and 1. 0cm.

[0013] 上述本发明应用于右侧腋动脉达到体外循环期间全身动脉灌注,和深低温停循环选择性脑灌注,同时可避免右上肢缺血。 [0013] of the present invention to achieve the right axillary artery systemic arterial perfusion during cardiopulmonary bypass, deep hypothermic circulatory arrest and selective cerebral perfusion while avoiding the right upper limb ischemia.

[0014] 显然,本发明不但能满足体外循环期间全身灌注及停循环期间脑灌注,达到灌注血流量的分配和调节,且在体外循环期间无灌注缺血区域。 [0014] Obviously, the present invention not only meets the cerebral perfusion during systemic infusion and stop circulation, distribution and regulation of blood flow perfusion and perfusion during cardiopulmonary bypass without cardiopulmonary bypass during the ischemic area. 而且操作简单方便,不易升高灌注压,不易漏血,血液破坏轻,固定容易、可靠、不易移位。 And simple operation, easy to increased perfusion pressure, easy endoleak, blood destroy light, easily fixed, reliable, easy to shift. 大大缩短手术时间,减少了右上肢缺血时间,克服现有动脉插管和方法的弊端。 Greatly shorten the operation time, reduce the right upper limb ischemia time, to overcome the drawbacks of existing arterial cannulation and methods.

附图说明 BRIEF DESCRIPTION

[0015] 图1.本发明的基本结构之一的示意图。 [0015] The schematic view showing a basic structure of the present invention 1. FIG.

[0016] 图2.本发明的有斜口的基本结构之一不意图。 [0016] Figure 2 is one of the present invention, the basic structure of the bevel is not intended.

[0017] 图3.本发明的Y型有侧孔的结构示意图(夹角为Q)。 Schematic structural diagram of [0017] FIG. 3. The Y-side hole of the present invention (the angle of Q).

[0018] 图4.本发明的Y型的基本结构之一示意图(夹角为Q)。 [0018] FIG one Y-shaped basic structure of the present invention. FIG 4. (angle is Q).

[0019] 图5.本发明插入右腋动脉的使用情况时的动脉血供示意图。 Schematic view of the blood supply [0019] FIG. 5. Insert the present invention the use of the right axillary artery.

[0020] 其中,1.插管主体,2.近心端管,3.远心端管,4.侧孔,5.斜口,6.右颈总动脉, 7. Willis环,8.左颈总动脉,9.左锁骨下动脉,10.主动脉弓,11.动脉阻断处,12.右腋动脉。 [0020] wherein a cannula body 2. proximal end of the tube, 3 tubes distal end, 4 side hole, 5. Bevel, 6 right common carotid artery, 7. Willis ring, 8 left carotid artery, 9 left subclavian artery 10. the aortic arch 11. artery occlusion at 12. the right axillary artery. 图5中的虚线圆圈是本发明的插放位置示意。 Dashed circle in FIG. 5 is the position of interposition of the present invention is schematically.

具体实施方式 Detailed ways

[0021] 如图1、2、3、4,本发明包括供血端的插管主体1,其特征在于它还包括与插管主体1相连通的有分流、分压作用的两个分支管一近心端管2和远心端管3,形成在总体结构上呈T型或者Y型结构的医用体外循环用灌注塑料管,且上述近心端管2的长度大于远心端管3的长度。 [0021] FIG. 3, 4, the present invention includes a cannula body feeding side 1, characterized in that it comprises a main body 1 with the cannula in communication with a shunt, voltage division of a nearly two branch pipes core tube 2 and the distal end of the end tube 3, a T-shape or Y extracorporeal medical structure in the overall structure of a plastic tube with a filling, and said proximal end of the tube 2 is longer than the length of the distal end of the tube 3. 通常插管主体1的长度是15-20cm。 Typically the length of the cannula body 1 is 15-20cm.

[0022] 考虑到手术时切的血管足够短,以及插管的稳定性,上述近心端管2和远心端管3 的长度分别为1. 5cm和1. 0cm左右。 [0022] Considering the surgical cut short enough blood vessel, the cannula and the stability of the proximal end of the tube 2 and the length of the distal end of the tube 3 and are about 1. 5cm 1. 0cm. 该长度定义为从插管主体1外周至端管的斜口5上缘的距离。 The length is defined from the upper edge of the beveled periphery to the 5 1 end of the cannula tube body distance. 即技术上要求上述近心端管2和远心端管3长度在保证不漏血的前提下越短越好, 从而使动脉切口最短,以防止切口缝合后动脉狭窄。 That is technically demanding above the proximal tube 2 and the distal end of the tube 3 at a length as short as possible to ensure that no blood leak premise, so that the shortest arteriotomy, after the incision to prevent arterial stenosis.

[0023] 上述与插管主体1相通的近心端管2和远心端管3,三者是在同一个平面上,近心端管2和远心端管3在同一轴线,并且与插管主体1的管径相同,或者小于插管主体1的管径。 [0023] The cannula body with a proximal end of the communicating tube 2 and the distal end of tube 3, three are in the same plane, the proximal end of the tube 2 and the distal end of the tube 3 in the same axis, and the plug tube body 1 the same diameter, or smaller than the diameter of the body 1 of the cannula.

[0024] 为了满足不同体重的患者体外循环的灌注需要,上述近心端管2、远心端管3和插管主体1的内径选为6_8mm。 [0024] In order to meet the needs extracorporeal perfusion of a patient different weights, said proximal end of tube 2, the distal end of the cannula 3 and the inner diameter of the body 1 preferably 6_8mm.

[0025] 如图1-2,对于T型结构灌注塑料管所述的插管主体1垂直于近心端管2和远心端管3,或者如图3-4,对于Υ型结构灌注塑料管的近心端管2和供血端的插管主体1呈120-150°的夹角,远心端管3和供血端的插管主体1呈30-60°夹角。 [0025] FIG. 1-2, for a T-shaped structure of the vertical tube of the infusion cannula the plastic body at the proximal end of the tube 2 and the distal end of the core tube 3, or FIG. 3-4, for perfusion plastic structure Υ the proximal end of the tube 2 and the tube feeding end of the cannula body angle was 120-150 ° 1, the distal end of the tube 3 and the end of the cannula body 1 blood was 30-60 ° angle.

[0026] 上述的对于Υ型结构灌注塑料管的近心端管2和供血端的插管主体1的最佳夹角为135°,该夹角既保证近心端管2、远心端管3的灌注流量,又不会升高泵压,从而使血液破坏轻,插管处不易漏血,且操作方便。 [0026] For the above-described structure Υ perfusion proximal end of the plastic tube and the tube feeding end of the cannula body 2 an optimal angle of 135 °, the angle both to ensure the proximal end the tube 2, the distal end of the tube 3 perfusion flow, and will not increase the pump pressure, so that the blood destroy light, easy intubation at Louxue, and easy to operate.

[0027] 如图2、4,上述近心端管2和远心端管3的端头呈45°的斜口5,以便于手术时插管。 [0027] 2, 4, the tube 2 and the proximal end of the distal end of the diagonal tube 5 end 3 of 45 ° to the cannula at the time of surgery.

[0028] 如图3,考虑到圆锥或球冠形更有利于手术插管,上述近心端管2和远心端管3的端头是至少有3个侧孔的球冠形,且各侧孔总面积等于或者大于插管主体1的最大开口面积。 [0028] 3, taking into account the conical or spherical cap shape more conducive to surgical cannula the proximal end of the tube 2 and the distal end of the tip tube 3 is at least three spherical cap side of the hole, and each the total area of ​​the side holes is equal to or greater than the maximum opening area of ​​the main body 1 of the cannula. 这样也提供了从侧孔来调节进入近心端管2和远心端管3的血液灌注流量。 This also provided to adjust the side hole into the blood tube 2 and the proximal end of the distal end tube 3 perfusion flow.

[0029] 上述本发明可应用于右侧腋动脉达到体外循环期间全身动脉灌注,和深低温停循环选择性脑灌注,同时可避免右上肢缺血。 [0029] The present invention can be applied to achieve the right axillary artery systemic arterial perfusion during cardiopulmonary bypass, deep hypothermic circulatory arrest and selective cerebral perfusion while avoiding the right upper limb ischemia. 应用本发明时,将该插管应用于右侧腋动脉,既可保证体外循环期间全身灌注,又兼顾右上肢灌注,克服了现有腋动脉插管导致的右上肢缺血。 When the present invention is applied, the right axillary artery cannula is applied, can ensure systemic perfusion during cardiopulmonary bypass, and take into account the right upper limb perfusion, right upper limb ischemia overcome prior axillary artery caused. 应用本发明与缝合人工血管法相比时,不需要缝合,减少动脉缺血时间。 When compared with the artificial blood vessel suturing method of the present invention is applied, no sutures, to reduce arterial ischemic time. 应用本发明与已有上腔静脉逆行灌注相比时,灌注压易于控制,避免了非生理灌注可能导致的脑出血, 以及脑保护不良的后果。 When applying the present invention compared with the existing superior vena cava retrograde perfusion, perfusion pressure is easy to control, to avoid non-physiological perfusion may lead to cerebral hemorrhage, and adverse consequences of brain protection.

[0030] 如图5,应用于右侧腋动脉达到体外循环期间全身动脉灌注,和深低温停循环选择性脑灌注,同时可避免右上肢缺血;插管时,用两把无损伤钳阻断腋动脉,两钳之间纵行切开动脉2cm,首先插入近心端2,然后导入远心端3,分别收紧阻断带固定,排气后连接主动脉灌注管,摆放合适角度固定,此时作为体外循环动脉灌注管。 [0030] FIG. 5, is applied to achieve the right axillary artery systemic arterial perfusion during cardiopulmonary bypass, deep hypothermic circulatory arrest and selective cerebral perfusion, while avoiding the upper right limb ischemia; intubation, using two atraumatic clamp barrier off axillary artery, between the two longitudinal incision forceps artery 2cm, is first inserted into the proximal end 2, and then introduced into the distal end 3, with a fixed blocking are tightened, the exhaust pipe is connected aorta infusion, display appropriate angle fixed, as the case extracorporeal arterial infusion tube. 避免现有插管导致的右上肢缺血。 Avoid the right upper limb ischemia caused by existing intubation. 当深低温停循环行主动脉弓3大分支吻合时,阻断Y形管远心端动脉及无名动脉, 经该管低流量选择性脑灌注。 When deep hypothermic circulatory arrest aortic arch anastomosis three major branches, and arteries block the Y-tube distal end innominate artery, through the low flow tube selective cerebral perfusion.

[0031] 拔下插管时,先阻断Y形管近、远心端,拔出Y形管,使用6-0聚丙烯(Prolene)线连续缝合一层后,排气开放阻断钳,恢复右腋动脉血供,需2-3分钟,6-0聚丙烯(Prolene) 线连续缝合加固一层,3-0可吸收线缝合切口即可。 [0031] When removing the cannula, Y-shaped tube near the first block, the distal end, pull Y-shaped tube, using 6-0 polypropylene (Prolene) suture line after the continuous layer, the exhaust opening clamp block, right axilla restore blood supply, take 2-3 minutes, 6-0 polypropylene (Prolene) continuous suture reinforcement layer, 3-0 absorbable suture to the incision.

[0032] 实施例1 [0032] Example 1

[0033] 如图1,本发明的最简单结构包括供血端的插管主体1,其特征在于它还包括与插管主体1相连通的两个有分流、分压作用的两个分支短管一近心端管2和远心端管3,,形成在总体结构上呈T型结构的医用灌注塑料管。 [0033] As shown in FIG 1, the simplest structure of the present invention includes a cannula body feeding side 1, characterized in that it comprises a main body 1 with the cannula in communication both with a split, the role of the two branches of the partial pressure of a short tube proximal end and a distal end of the tube 2 tube 3 ,, T-shaped structure is formed on the overall structure of a medical infusion plastic tube. 其内径皆取为8mm,近心端管2和远心端管3 的端头呈45°的斜口5以利于插管。 It is taken as an inner diameter of 8mm, the proximal end of the tube 2 and the tip 3 of the distal end of the tube 45 ° to the diagonal 5 to facilitate intubation.

[0034] 通常取插管主体长度20cm,近心端管2和远心端管3分别为1. 5cm和1. 0cm。 [0034] generally taken the cannula body length 20cm, the proximal end of the tube 2 and the distal end of tube 3 and respectively 1. 5cm 1. 0cm.

[0035] 实施例2 [0035] Example 2

[0036] 如图4,本发明包括供血端的插管主体1,其特征在于它还包括与插管主体1相通的近心端管2和远心端管3,三者呈Y型结构在同一个平面上的医用塑料管,且近心端管2 和供血端的插管主体1呈135°夹角,即Q为45°夹角,以减低血流阻力,降低泵压,从而保证灌注流量,减轻血液破坏。 [0036] FIG 4, the present invention includes a cannula body feeding side 1, characterized in that it comprises a body with a proximal end of the cannula tube 2 and communicating distal end tube 3, three were in the same Y-shaped structure a medical plastic tube on a plane, and the proximal end of the cannula tube body 2 and the blood side was 135 ° angle 1, i.e. Q is an angle of 45 °, to reduce flow resistance, to reduce the pump pressure to ensure perfusion flow, reduce the blood damage.

[0037] 实施例3 [0037] Example 3

[0038] 如图3,本发明包括供血端的插管主体1,其特征在于它还包括与插管主体1相连通的有分流、分压作用的两个分支管一近心端管2和远心端管3,形成在总体结构上呈T型或者Υ型结构的医用体外循环用灌注塑料管,且上述在总体结构上无论呈Τ型或Υ型结构的灌注塑料管,其近心端管2和远心端管3的的端头都可以是有侧孔的球冠形,取有6个对称排布的侧孔,并保证各侧孔总面积大于插管主体1的最大开口面积。 [0038] FIG. 3, the present invention includes a cannula body feeding side 1, characterized in that it comprises a main body 1 with the cannula in communication with a shunt, the partial pressure of two branch pipes effect a proximal end and a distal tube 2 heart end tube 3, was formed on the overall structure or a T-shaped structure Υ extracorporeal circulation medical infusion plastic tube, and said structure in general whether in type or a reperfusion Τ Υ plastic tube type structure, its proximal end tube 2 and a tip distal end tube 3 may be side hole of a spherical cap, take six symmetrically arranged side hole, and ensure that the total area of ​​the side holes is greater than the maximum opening area of ​​the cannula body 1.

Claims (8)

1. 一种体外循环期间无灌注缺血区域的腋动脉插管,包括供血端的插管主体(1),其特征在于它还包括与插管主体(1)相连通的有分流、分压作用的两个分支管一近心端管(2)和远心端管(3),形成在总体结构上呈型或者Y型结构的医用体外循环用灌注塑料管, 且上述近心端管(2)的长度或等于或稍大于远心端管(3)的长度。 No ischemic perfusion during cardiopulmonary bypass region An axillary artery cannula includes a cannula body feeding end (1), characterized in that it comprises a cannula body (1) communicating with a split, voltage division the two branch pipes a proximal end of the tube (2) and the distal end tube (3), was formed on the overall structure or type of medical extracorporeal perfusion with a Y-shaped configuration of the plastic tube, and said proximal end of the tube (2 ) is equal to or slightly greater than the length or distal end of the tube (3) length.
2. 如权利要求1所述的腋动脉插管,其特征在于上述与插管主体(1)相通的近心端管(2)和远心端管(3)三者是在同一个平面上,近心端管(2)和远心端管(3)在同一轴线,并且与插管主体(1)的管径相同,或者小于插管主体(1)的管径。 2. axillary artery cannula according to claim 1, wherein said cannula body (1) communicating tube proximal end (2) and the distal end tube (3) three are on the same plane , the proximal end of the tube (2) and the distal end tube (3) on the same axis, the cannula and the same body (1) in diameter, or less than (1) the diameter of the cannula body.
3. 如权利要求1或2所述的腋动脉插管,其特征在于对于T型结构灌注塑料管所述的插管主体(1)垂直于近心端管(2)和远心端管(3),或者对于Y型结构灌注塑料管的近心端管(2)和供血端的插管主体(1)呈120-150°夹角,远心端管(3)和供血端的插管主体(1) 呈30-60°夹角,以控制或者调节灌注血流量。 Axillary artery cannula as claimed in claim 1 or 2 (2) and the distal end tube (claim, wherein the cannula body to the T-shaped plastic filling tube structure according to (1) perpendicular to the proximal end of the tube 3), or Y structures for filling the plastic tube proximal end of the tube (2) and a cannula body (1) blood was 120-150 ° angle end, the distal end tube (3) and the cannula body feeding end ( 1) as a 30-60 ° angle, to control or regulation of blood flow perfusion.
4. 如权利要求3所述的腋动脉插管,其特征在于所述的对于Y型结构灌注塑料管的近心端管(2)和供血端的插管主体(1)的最佳夹角为135°。 4. axillary artery cannula according to claim 3, wherein said optimum angle for the Y-shaped structure of the plastic tube filling tube proximal end (2) and a cannula body (1) for feeding end 135 °.
5. 如权利要求1或2所述的动脉插管,其特征在于上述近心端管(2)和远心端管(3) 的长度分别是1.5cm和1.0cm,而且其端头呈45°的斜口(5)以利于插管。 5. arterial cannula of claim 1 or claim 2, wherein the length of said proximal end of the tube (2) and the distal end tube (3) respectively 1.5cm and 1.0cm, and its tip 45 ° oblique opening (5) in order to facilitate intubation.
6. 如权利要求1或2所述的腋动脉插管,其特征在于上述近心端管(2)和远心端管(3) 的端头是至少有3个侧孔(4)的球冠形,且各侧孔(4)总面积大于插管主体(1)的最大开口面积,以便由侧孔(4)的大小调配灌注血流量。 6. axillary artery cannula of claim 1 or claim 2, wherein the proximal end of the tip above the tube (2) and the distal end tube (3) is at least three balls side hole (4) (4) the total area of ​​the crown, and the side holes is greater than the cannula body (1) has a maximum opening area of ​​the side hole for filling (4) the size of the blood flow formulations.
7. 如权利要求1或2所述的腋动脉插管,其特征是近心端管⑵、远心端管⑶和插管主体(1)的内径为6-8_,以满足不同体重病人体外循环的灌注需要。 7. axillary artery cannula of claim 1 or claim 2, wherein the proximal end of the tube ⑵, the inner diameter of the distal end of the tube and cannula ⑶ body (1) is 6-8_ to meet different patient body weight in vitro perfusion need to loop.
8. 权利要求1或2所述的腋动脉插管,其特征是应用于右侧腋动脉达到体外循环期间全身动脉灌注,同时避免右上肢缺血和深低温停循环选择性脑灌注。 Axillary claim 12 or claim artery, characterized in that applied to the right axillary artery reaches the systemic arterial perfusion during cardiopulmonary bypass, while avoiding limb ischemia and the right DHCA selective cerebral perfusion.
CN 201410522552 2014-10-02 2014-10-02 Axillary artery cannula for achieving no perfusion ischemic areas during extracorporeal circulation period and application thereof CN104208798A (en)

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US5807356A (en) * 1994-01-18 1998-09-15 Vasca, Inc. Catheter with valve
US6123682A (en) * 1996-08-13 2000-09-26 Heartstent Corporation Closed chest coronary bypass
US20050060026A1 (en) * 2003-09-17 2005-03-17 Ricardo Gamboa Fenestrated asymmetric intracardiac device for the completion of total cavopulmonary anastomosis through cardiac catheterization
CN201026340Y (en) * 2006-11-09 2008-02-27 王京玉 Arterial cannula
CN201410215Y (en) * 2009-03-27 2010-02-24 王光辉 T-shaped intracerebral hematoma drain tube

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4114618A (en) * 1976-12-15 1978-09-19 Vargas Jorge J Catheter assembly
US5807356A (en) * 1994-01-18 1998-09-15 Vasca, Inc. Catheter with valve
US6123682A (en) * 1996-08-13 2000-09-26 Heartstent Corporation Closed chest coronary bypass
US20050060026A1 (en) * 2003-09-17 2005-03-17 Ricardo Gamboa Fenestrated asymmetric intracardiac device for the completion of total cavopulmonary anastomosis through cardiac catheterization
CN201026340Y (en) * 2006-11-09 2008-02-27 王京玉 Arterial cannula
CN201410215Y (en) * 2009-03-27 2010-02-24 王光辉 T-shaped intracerebral hematoma drain tube

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