CN103142283B - Electromagnetic controllable occlusion system for celiac great vessels - Google Patents

Electromagnetic controllable occlusion system for celiac great vessels Download PDF

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CN103142283B
CN103142283B CN 201310051814 CN201310051814A CN103142283B CN 103142283 B CN103142283 B CN 103142283B CN 201310051814 CN201310051814 CN 201310051814 CN 201310051814 A CN201310051814 A CN 201310051814A CN 103142283 B CN103142283 B CN 103142283B
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electromagnet
vitro
element
vessel occlusion
magnetic body
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CN 201310051814
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CN103142283A (en )
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吕毅
马锋
魏涛
张谞丰
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西安交通大学
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Abstract

一种电磁可控性腹腔大血管阻断系统,包括体内磁力血管阻断器、体外电磁铁元件和中枢控制设备,体内磁力血管阻断器和体外电磁铁元件相对应,体外电磁铁元件和中枢控制设连接,体内磁力血管阻断器放于肝下下腔静脉的表面,用于压迫并阻断血管,体外电磁铁元件整合于手术床垫内,定位体内磁力血管阻断器的位置,逐渐增加体外电磁铁元件的电流,通过其与体内磁力血管阻断器之间的吸引力实现下腔静脉或腹主动脉的阻断,本发明操作简便、迅速且安全,避免了开腹或腹腔镜手术术中分离血管带来的手术时间延长、血管损伤等缺点,同时避免了传统血管阻断方法可能引起的全身血流动力学不稳的问题。 An electromagnetic controlled blocking systems abdominal great vessels, vessel occlusion device comprising a magnetic body, an electromagnet element in vitro and central control device, in vivo and in vitro vessel occlusion magnetic element corresponding to the electromagnet, the electromagnet element and central vitro the control set is connected, a magnetic body is placed on a surface vessel occlusion hepatic inferior vena cava for compression and block angiogenesis in vitro electromagnet element integrated in the mattress surgery, vascular magnetic body position location blanker gradually increasing the current in vitro electromagnet element, to achieve blocking or inferior vena cava through the abdominal aorta with the attraction between the magnetic body vessel occlusion device, the present invention is simple, fast and safe, avoiding laparotomy or laparoscopy isolated vascular surgical procedures caused prolonged surgery, vascular injury and other shortcomings, while avoiding systemic hemodynamics traditional vessel occlusion method may cause instability problems.

Description

一种电磁可控性腹腔大血管阻断系统 An electromagnetic controlled blocking systems abdominal great vessels

技术领域 FIELD

[0001] 本发明涉及医疗设备技术领域,适用于腹腔大血管即腹主动脉和下腔静脉的阻断,具体涉及一种电磁可控性血管阻断系统。 [0001] The present invention relates to the technical field of medical devices, i.e. large vessels suitable for peritoneal abdominal aorta and inferior vena cava blocking, particularly relates to an electromagnetic controlled blocking vascular system.

背景技术 Background technique

[0002] 近年来,随着外科手术技术的进步,相关手术器械和设备的发展以及各种止血药物的应用,术中出血的控制得到了较快发展,特别是血管阻断技术的使用。 [0002] In recent years, with advances in surgical techniques, development of applications relevant surgical instruments and equipment, and various hemostatic drugs, control of blood loss has been rapid development, especially the use of technology vessel occlusion. 在肝切除中,第一肝门全部或部分阻断、肝静脉阻断、全肝血流阻断均已应用于临床,最近提出的肝下下腔静脉阻断以降低中心静脉压的方法被证实可以明显减少术中出血。 In hepatectomy, hilar all or part of the first block, hepatic vein occlusion, the total hepatic ischemia have been used clinically recent hepatic inferior vena cava blocking approach is to reduce the central venous pressure shown to significantly reduce blood loss. 此外,在腹主动脉瘤修补手术、骨盆肿瘤及骨折手术中,腹主动脉的阻断也被用于辅助手术的顺利完成。 Further, in the abdominal aortic aneurysm repair surgery, pelvic tumors, and fractures, the occlusion of the abdominal aorta is also used to assist the successful completion of surgery. 在针对腹腔及盆腔的手术中,特别是有发生术中大出血可能的复杂手术,在腹主动脉上预置阻断带可以提高手术的安全性。 For abdominal and pelvic surgery, in particular it is possible to complex surgery intraoperative bleeding, pre-blocked with the safety of operation can be improved in the abdominal aorta. 对于腹腔内位置深在的大血管,包括下腔静脉和腹主动脉,传统的暴露、分离、阻断的方法不仅延长了手术时间,而且有可能造成医源性的血管损伤,特别是随着微创手术的迅速发展,更多的手术可以在腹腔镜下完成,由于腹腔镜操作下止血较为困难,利用血管阻断预防出血更为必要,而在腹腔镜下完成血管阻断相比开腹手术更加困难,因此优化和改进血管阻断方法及相关设备的创新研宄有重大临床意义和发展前景。 For intraperitoneal position deep in large vessels, including the inferior vena cava and abdominal aorta, the conventional exposure, separation, method of blocking not only prolongs the operation, and may cause iatrogenic vascular injury, especially with the rapid development of minimally invasive surgery, more surgery can be done laparoscopically, due to the more difficult laparoscopic operation to stop bleeding, block the blood vessels to prevent bleeding using the more necessary, and complete vessel occlusion in laparoscopic compared with open surgery surgery more difficult, and therefore to optimize and improve innovative study based vessel occlusion method and related equipment have great clinical significance and development prospects.

发明内容 SUMMARY

[0003] 为了克服上述现有技术的缺点,本发明的目的在于提供一种电磁可控性血管阻断系统,操作简便、迅速且安全。 [0003] In order to overcome the drawbacks of the prior art, an object of the present invention is to provide an electromagnetic controlled blocking vascular system, is simple, quick and safe.

[0004] 为了实现上述目的,本发明采用的技术方案是: [0004] To achieve the above object, the technical solution adopted by the invention is:

[0005] 一种电磁可控性腹腔大血管阻断系统,包括体内磁力血管阻断器1、体外电磁铁元件2和中枢控制设备3,体内磁力血管阻断器I和体外电磁铁元件2相对应,体外电磁铁元件2和中枢控制设备3连接; [0005] An electromagnetic controlled blocking systems abdominal great vessels, including vessels in vivo magnetic blanker 1, vitro electromagnet element 2 and the central control apparatus 3, a magnetic body I and in vitro vessel occlusion electromagnet element 2 corresponds, in vitro element 2 and the electromagnet 3 is connected to the central control device;

[0006] 所述的体内磁力血管阻断器I放于大血管、肝下下腔静脉的表面,与体外电磁铁元件2接通后用于压迫并阻断血管; Magnetic vivo vascular blocker [0006] I is placed in the large vessels, liver surface of the inferior vena cava, after the electromagnet element 2 is turned on in vitro and block angiogenesis for pressing;

[0007] 所述的体外电磁铁元件2整合于手术床垫内,定位体内磁力血管阻断器I的位置,逐渐增加体外电磁铁元件2的电流,通过其与体内磁力血管阻断器I之间的吸引力实现下腔静脉或腹主动脉的阻断。 [0007] The in vitro electromagnet element 2 integrated in a mattress surgery, vascular magnetic body positioning position I blocker, increasing the electromagnet current vitro element 2, by which the magnetic body of the vessel blocker I attraction between the inferior vena cava or achieve blockade of the abdominal aorta.

[0008] 所述的体内磁力血管阻断器I为长方体形状、钕铁硼永磁材料,长X宽X高具有以下不同规格:0.5X0.5 X 3cm,0.5X0.5 X 4cm 以及0.5X0.5 X 5cm。 Magnetic vivo vascular blocker [0008] I is the shape of a rectangular parallelepiped, NdFeB, length X width X height specifications with the following exceptions: 0.5X0.5 X 3cm, 0.5X0.5 X 4cm and 0.5X0 .5 X 5cm.

[0009] 所述的体外电磁铁元件2为方形结构201,方形结构201与患者腹部区域相对应,在方形结构201内设有一个横梁202,横梁202配置在方形结构201的纵向滑轨内,横梁202上设有横向滑轨,电磁铁203配置在横向滑轨内。 Vitro electromagnet element [0009] 2, the structure 201 is a square, the square structure 201 corresponding to the abdominal region of a patient, the cross member 201 equipped with a 202 square configuration, the cross member 202 disposed within the longitudinal rails 201 of the square configuration, a transverse rail on the beam 202, an electromagnet 203 arranged in the transverse rail.

[0010] 所述的电磁铁203为圆柱体形状,铁心为软磁材料。 [0010] The electromagnet 203 is a cylindrical shape, the core of soft magnetic material.

[0011] 所述的中枢控制设备3包括显示屏301,显示屏301通过操作界面控制显示,操作界面设有开关302和通过电磁铁电流大小的调控系统303。 [0011] The central control apparatus 3 includes a display screen 301, the display 301 by operating the display control interface, a switch interface 302 and the magnitude of the current through the electromagnet 303 of the regulation system.

[0012] 与现有技术相比,本发明的创新性在于: [0012] Compared with the prior art, the present invention is innovative:

[0013] 1.通过体外电磁铁203与体内磁力血管阻断器I之间相互吸引达到阻断血管血流的目的,操作简便、迅速且安全,避免了开腹或腹腔镜手术术中分离血管带来的手术时间延长、血管损伤等缺点。 [0013] 1. In vitro between the electromagnet 203 and the magnetic body attract each other vascular blocker I purpose of blocking blood flow, easy to operate, fast and safe, avoiding the open surgery or laparoscopic surgery separation vessel bring prolonged surgery, vascular injury and other shortcomings.

[0014] 2.在肝脏切除手术时使用肝下下腔静脉阻断降低中心静脉压的操作中,通过逐渐增加电磁铁203与体内磁力血管阻断器I之间的吸引力来阻断血管,同时观察中心静脉压及全身血流动力学得变化,以达到最佳的血管阻断状态,避免了传统血管阻断方法可能引起的全身血流动力学不稳的问题。 [0014] 2. hepatic inferior vena cava blocking during liver resection central venous pressure reducing operation, the blocked vessels by increasing the attraction between the electromagnet 203 and the magnetic body vessel blocker I, while observing the central venous pressure and systemic hemodynamics have to change in order to achieve optimal blood vessels blocking state, to avoid systemic hemodynamics traditional vessel occlusion method may cause instability problems.

附图说明 BRIEF DESCRIPTION

[0015] 图1为本发明结构示意图。 [0015] Fig 1 a schematic view of the structure of the present invention.

[0016] 图2为本发明的体外电磁铁元件2的结构示意图。 [0016] In vitro electromagnet element 2 of the present invention FIG. 2 is a schematic view of the structure.

[0017] 图3为本发明的中枢控制设备3的示意图。 3 is a schematic view of the central apparatus [0017] FIG. 3 of the present invention controls.

具体实施方式 detailed description

[0018] 下面结合附图和实施例对本发明做进一步详细说明。 Drawings and embodiments of the present invention will be further described in detail [0018] below in conjunction.

[0019] 如图1所示,一种电磁可控性腹腔大血管阻断系统,包括体内磁力血管阻断器1、体外电磁铁元件2和中枢控制设备3,体内磁力血管阻断器I和体外电磁铁元件2相对应,体外电磁铁元件2和中枢控制设备3连接; [0019] As shown, an electromagnetic controlled blocking systems abdominal great vessels 1, comprising a magnetic body vessel occlusion 1, 2 and central element vitro electromagnet control device 3, a magnetic body vessel occlusion I and 2 corresponds to the electromagnet element in vitro, in vitro element 2 and the electromagnet 3 is connected to the central control device;

[0020] 所述的体内磁力血管阻断器I放于大血管、肝下下腔静脉的表面,与体外电磁铁元件2接通后用于压迫并阻断血管; Magnetic vivo vascular blocker [0020] I is placed in the large vessels, liver surface of the inferior vena cava, after the electromagnet element 2 is turned on in vitro and block angiogenesis for pressing;

[0021] 所述的体外电磁铁元件2整合于手术床垫内,定位体内磁力血管阻断器I的位置,逐渐增加体外电磁铁元件2的电流,通过其与体内磁力血管阻断器I之间的吸引力实现下腔静脉或腹主动脉的阻断。 [0021] The in vitro electromagnet element 2 integrated in a mattress surgery, vascular magnetic body positioning position I blocker, increasing the electromagnet current vitro element 2, by which the magnetic body of the vessel blocker I attraction between the inferior vena cava or achieve blockade of the abdominal aorta.

[0022] 所述的体内磁力血管阻断器I为为长方体形状、钕铁硼永磁材料,长X宽X高具有以下不同规格:0.5X0.5X3cm,0.5X0.5X4cm 以及0.5X0.5X5cm。 Magnetic vivo vascular blocker [0022] I is the shape of a rectangular parallelepiped, NdFeB, length X width X height specifications with the following exceptions: 0.5X0.5X3cm, 0.5X0.5X4cm and 0.5X0.5X5cm.

[0023] 如图2所示,所述的体外电磁铁元件2为方形结构201,方形结构201与患者腹部区域相对应,在方形结构201内设有一个横梁202,横梁202配置在方形结构201的纵向滑轨内,横梁202上设有横向滑轨,电磁铁203配置在横向滑轨内。 [0023] As shown in FIG. 2, the in vitro electromagnet element 201 2 is a square structure, a square structure 201 corresponding to the abdominal region of the patient, equipped with a 201 square configuration in cross member 202, 202 arranged in a square beam structure 201 the longitudinal rails, transverse rails provided on the beam 202, an electromagnet 203 arranged in the transverse rail.

[0024] 所述的电磁铁203为圆柱体形状,铁心为软磁材料。 [0024] The electromagnet 203 is a cylindrical shape, the core of soft magnetic material.

[0025] 所述的中枢控制设备3包括显示屏301,显示屏301通过操作界面控制显示,操作界面设有开关302和通过电磁铁电流大小的调控系统303。 [0025] The central control apparatus 3 includes a display screen 301, the display 301 by operating the display control interface, a switch interface 302 and the magnitude of the current through the electromagnet 303 of the regulation system.

[0026] 本发明的工作原理是: [0026] The working principle of the present invention are:

[0027] 在开腹或腹腔镜手术中,放置体内磁力血管阻断器I于下腔静脉或腹主动脉的表面,通过体外电磁铁元件2的滑轨调整电磁铁203的位置使之与体内磁力血管阻断器I的位置相对应,接通电磁铁203的电源,调整通过电磁铁203电流的大小来逐渐增大其与体内磁力血管阻断器I之间的吸引力,实现血管内血流的完全阻断。 [0027] In the open or laparoscopic surgery, is placed within a magnetic surface at vascular occluder I abdominal aorta or vena cava, adjusting the position of the electromagnet 203 so the electromagnet element by in vitro and in vivo rail 2 magnetic vascular blocker I corresponding to the position, the electromagnet power supply 203 is turned on, adjusted to gradually increase the attraction between the magnetic body and the blood vessel which is blocked by the magnitude I of the current electromagnet 203, the blood within the blood vessels flow completely blocked.

[0028] 在肝切除术中阻断肝下下腔静脉的实例使用过程如下: [0028] The occlusion of hepatic inferior vena cava in a liver resection in the course of the following examples:

[0029] 患者取仰卧位,全麻后常规消毒铺巾,取右肋缘下切口,探查腹腔并通过术中超声评估肿瘤的大小、数量以及和重要血管的位置关系。 [0029] patient supine, the routine draped anesthesia, incision take costal margin, abdominal exploration by intraoperative ultrasonography and assessment of the position relationship between the size of the tumor, as well as the number and the major blood vessels. 暴露并分离肝上下腔静脉,在其表面放置体内磁力血管阻断器1,用手将其位置固定,通过手术床垫内的体外电磁铁元件2调整电磁铁元件的位置,与体内磁力血管阻断器I相对应,通过中枢控制设备3接通电源并缓慢增加通过电磁铁203的电流强度,观察体内磁力血管阻断器I对血管挤压情况并同时记录心电监护仪上中心静脉压及其他血流动力学指标的变化,当中心静脉压被控制在5-10cm水柱时不再增加电流的大小,若动脉压及心率维持在正常水平则开始进行常规的肝切除手术,移除肿瘤后缓慢减小通过电磁铁203内的电流强度,直至切断电源,完成手术。 Exposed and isolated hepatic inferior vena cava, which is placed on a magnetic surface of the vessel body 1 blocker, fixing its position by hand, by adjusting the position of the electromagnet element vitro electromagnet member within a surgical mattress 2, with the magnetic vascular resistance in vivo I corresponds to the breaker, by the central power and the control device 3 by slowly increasing the current strength of the electromagnet 203, a magnetic vessels observed in vivo situation blocker I squeeze vascular while recording ECG and CVP changes in other hemodynamic parameters, when the central venous pressure is controlled when the magnitude of the current no longer increases 5-10cm water column, if the arterial pressure and heart rate at a normal level routine proceeds to a liver resection, tumor removal by gradually reducing the current intensity in the solenoid 203, until the power is turned off to complete the operation.

Claims (4)

  1. 1.一种电磁可控性腹腔大血管阻断系统,其特征在于:包括体内磁力血管阻断器(1)、体外电磁铁元件⑵和中枢控制设备(3),体内磁力血管阻断器⑴和体外电磁铁元件(2)相对应,体外电磁铁元件⑵和中枢控制设备⑶连接; 所述的体内磁力血管阻断器(I)放于大血管、肝下下腔静脉的表面,与体外电磁铁元件2接通后用于压迫并阻断血管; 所述的体外电磁铁元件(2)整合于手术床垫内,定位体内磁力血管阻断器(I)的位置,逐渐增加体外电磁铁元件(2)的电流,通过其与体内磁力血管阻断器(I)之间的吸引力实现下腔静脉或腹主动脉的阻断; 所述的体外电磁铁元件(2)为方形结构(201),方形结构(201)与患者腹部区域相对应,在方形结构(201)内设有一个横梁(202),横梁(202)配置在方形结构(201)的纵向滑轨内,横梁(202)上设有横向滑轨,电磁铁(203)配置在横向滑轨内。 An electromagnetic controlled blocking systems abdominal great vessels, characterized by: a magnetic body vessel occlusion device (1), in vitro and central electromagnet member ⑵ control device (3), a magnetic body vessel blocker ⑴ and in vitro solenoid element (2) corresponds to, in vitro and central electromagnet member ⑵ ⑶ control device; said magnetic body vessel occlusion device (I) placed in large vessels, the surface of the lower hepatic vena cava, and in vitro after the electromagnet element 2 is turned on for pressing and blocking the vessel; said electromagnet vitro element (2) integrated in the mattress surgery, position location magnetic body vessel occlusion device (I) of the electromagnet is gradually increased in vitro current element (2), to achieve blocking the abdominal aorta or inferior vena cava through which a magnetic attractive force between the vessel occlusion device body (I); said electromagnet vitro element (2) is a square structure ( 201), a square structure (201) corresponding to the abdominal region of the patient, the rectangular structure (201) is provided with a cross member (202), the cross member (202) disposed in a square configuration (201) of the longitudinal rails, the cross member (202 a transverse slide rail), the electromagnet (203) disposed in the transverse rail.
  2. 2.根据权利要求1所述的一种电磁可控性腹腔大血管阻断系统,其特征在于:所述的体内磁力血管阻断器(I)为长方体形状、钕铁硼永磁材料,长X宽X高具有以下不同规格:0.5 X 0.5 X 3cm、0.5X0.5 X 4cm 以及0.5 X 0.5 X 5cm。 2. An electromagnetic controlled blocking systems abdominal great vessels according to claim 1, wherein: said magnetic body vessel occlusion device (I) is a rectangular parallelepiped shape, NdFeB, long X width X height specifications with the following exceptions: 0.5 X 0.5 X 3cm, 0.5X0.5 X 4cm and 0.5 X 0.5 X 5cm.
  3. 3.根据权利要求1所述的一种电磁可控性腹腔大血管阻断系统,其特征在于:所述的电磁铁(203)为圆柱体形状,铁心为软磁材料。 3. An electromagnetic controlled blocking systems abdominal great vessels according to claim 1, wherein: said electromagnet (203) is a cylindrical shape, the core of soft magnetic material.
  4. 4.根据权利要求1所述的一种电磁可控性腹腔大血管阻断系统,其特征在于:所述的中枢控制设备(3)包括显示屏(301),显示屏(301)通过操作界面控制显示,操作界面设有开关(302)和通过电磁铁电流大小的调控系统(303)。 4. An electromagnetic controlled blocking systems abdominal great vessels according to claim 1, wherein: said central control apparatus (3) comprises a display (301), display screen (301) via the user interface controlling a display, a switch interface (302) and the magnitude of the current through the electromagnet regulatory system (303).
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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2107894U (en) * 1991-12-18 1992-06-24 邹宁 Sacro-anterior thumbtack hemostat
CN101896137A (en) * 2007-10-11 2010-11-24 米卢克斯控股股份有限公司 Apparatus for controlling flow in a bodily organ
CN102008337A (en) * 2010-08-02 2011-04-13 西安交通大学 Magnetic device used for cardia-esophagogastric varices sugiura
CN102389326A (en) * 2011-07-19 2012-03-28 李悦 Automatic program-controlled pressure quantitative-controlled hemostasis device
EP2436338A1 (en) * 2004-08-05 2012-04-04 Torax Medical, Inc. Apparatus for treating body tissue sphincters and the like
CN202699212U (en) * 2012-04-05 2013-01-30 练栩辉 Sliding hemostasis needle

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2107894U (en) * 1991-12-18 1992-06-24 邹宁 Sacro-anterior thumbtack hemostat
EP2436338A1 (en) * 2004-08-05 2012-04-04 Torax Medical, Inc. Apparatus for treating body tissue sphincters and the like
CN101896137A (en) * 2007-10-11 2010-11-24 米卢克斯控股股份有限公司 Apparatus for controlling flow in a bodily organ
CN102008337A (en) * 2010-08-02 2011-04-13 西安交通大学 Magnetic device used for cardia-esophagogastric varices sugiura
CN102389326A (en) * 2011-07-19 2012-03-28 李悦 Automatic program-controlled pressure quantitative-controlled hemostasis device
CN202699212U (en) * 2012-04-05 2013-01-30 练栩辉 Sliding hemostasis needle

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