CN105380693B - Surgical blood flow occlusion means one liver - Google Patents

Surgical blood flow occlusion means one liver Download PDF

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CN105380693B
CN105380693B CN201510748887.7A CN201510748887A CN105380693B CN 105380693 B CN105380693 B CN 105380693B CN 201510748887 A CN201510748887 A CN 201510748887A CN 105380693 B CN105380693 B CN 105380693B
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blood
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tube
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CN105380693A (en
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刘丰畅
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南京畅丰生物科技有限公司
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Abstract

本发明公开了一种肝脏手术血流阻断装置,包括可植入血管内的管体,所述管体的一端外表面上设置有防位移装置,管体的内部设置有空腔,空腔内设置有血液阻断装置;所述防位移装置包括扩张器,扩张器包括若干均匀设置于管体一端外表面上的台阶凸起,台阶凸起为楔形;所述台阶凸起上与管体外表面配合的表面上设置有调整槽,管体上与调整槽配合的位置上设置有开槽。 The present invention discloses a surgical liver blood flow occlusion device, comprising a tubular body implantable within a blood vessel, the outer surface of one end of the tubular body is provided with a displacement preventing means provided inside the tubular body has a cavity, the cavity the blocking means is provided with blood; said displacement preventing means includes a dilator, the dilator comprises a plurality of uniformly disposed at one end of the stepped outer surface of the tubular body projection, a wedge-shaped protrusion step; step and the projection tube vitro It is provided with adjustment slots, and adjustment of the tube fitting groove is provided with a slot position on the mating surfaces. 在本申请的技术方案中,防位移装置和血液阻断装置缺一不可,缺少了防位移装置,不保证固定位置,影响手术进度,缺少了血液阻断装置无法达到预定效果。 In the aspect of the present disclosure, the anti-displacement means and the means to block the blood indispensable, the lack of anti-displacement means, does not guarantee a fixed position, affect the progress of the operation, the lack of blood blocking means can not achieve the intended effect. 并且此两者在手术过程中是同时动作的,这样极大的节省了手术时间,提高了患者的生存概率。 And this is both operate simultaneously during surgery, the surgery such great save time and increase the probability of survival of patients.

Description

一种肝脏手术血流阻断装置 Surgical blood flow occlusion means one liver

技术领域 FIELD

[0001] 本发明涉及一种肝脏手术血流阻断装置,属于医疗器械领域。 [0001] The present invention relates to a surgical liver blood flow occlusion means belonging to the surgical field.

背景技术 Background technique

[0002] 肝静脉根部及肝后下腔静脉损伤是腹部创伤外科中最难以处理的情况之一,死亡率极高,在病例并不多的诊疗中心死亡率甚至可以达到80-100%,原因就是显露创口极为困难,即使勉强显露也是以大出血和或气栓为代价的,而且不能获得清晰的手术视野。 [0002] the roots of the hepatic vein and hepatic inferior vena cava injury is one case of abdominal trauma surgery is the most difficult to deal with high mortality, in many cases do not even reach the treatment center 80-100% mortality due to It revealed that the wound is extremely difficult, even if we manage to also reveal bleeding and air embolism or expense, and can not get a clear surgical field.

[0003] 前人的一些方法有:1.使用中空的软质导管,但需要的肝上及肝下分别游离阻断下腔静脉,置入阻断带,甚至需要开胸;2.使用上下两端双球囊软质导管实现全肝血流阻断,但操作性差,效率低,实践证明并没有获得良好的生存率,现在在逐渐被废弃;3.使用体外转流装置,但操作繁琐,条件要求高,无法广泛普及;4.极个别病例,使用覆膜支架来实现止血,但需要在数字减影的条件下进行,该支架植入后就不再取出,其后续诸如血栓,栓塞风险不言而喻,同时这种方法需要在患者生命体征相对稳定下进行,对于处于大出血进行期的病人根本不适用。 [0003] Some previous methods are: use of a hollow flexible conduit, but in the liver and liver are required to block the free inferior vena cava, into blocking tape, or even required thoracotomy; 2 up and down. both ends of the double balloon catheter to achieve a soft total hepatic ischemia, but poor operability, inefficient, and not proved good survival, now obsolescent; 3 CPB apparatus to use, but the cumbersome operation high conditions require, not widely available; 4 very few cases, the use of the stent graft to achieve hemostasis, but requires at the DSA, the stent after implantation not removed, such that subsequent thrombosis, embolism risk goes without saying that while this approach needs to be in a relatively stable vital signs of patients, for patients in the advanced stage of bleeding does not apply.

发明内容 SUMMARY

[0004] 针对现有技术存在的不足,本发明所要解决的技术问题是,提供一种肝脏手术血流阻断装置,解决了现有血液阻断装置的不足之处,,能够阻止下腔静脉血流自创口外流, 获得清晰的手术视野,便于对血管损伤部位进行修复 [0004] for the shortcomings of the prior art, the present invention is to solve the technical problem is to provide a surgical liver blood flow occlusion means to solve the shortcomings of existing blood ,, blocking means can prevent the inferior vena cava blood outflow own mouth, get a clear surgical field, facilitate the site of vascular injury repair

[0005] 为解决上述技术问题,本发明采取的技术方案是,一种肝脏手术血流阻断装置,包括可植入血管内的管体,所述管体的一端外表面上设置有防位移装置,管体的内部设置有空腔,空腔内设置有血液阻断装置;所述防位移装置包括扩张器,扩张器包括若干均匀设置于管体一端外表面上的台阶凸起,台阶凸起为楔形;所述台阶凸起上与管体外表面配合的表面上设置有调整槽,管体上与调整槽配合的位置上设置有开槽,台阶凸起相对于开槽可收缩和扩张;所述调整槽为楔形开槽,调整槽的深度增大的方向与台阶凸起高度增加的方向一致;所述空腔内设置有若干扩张杆;所述扩张杆的一端与调整槽滑动接触,另一端连接有一个环状连接器,扩张杆与环状连接器转动连接;所述血液阻断装置包括若干设置于空腔内的瓣膜;所述瓣膜的一端与空腔内壁通过转轴转动 [0005] To solve the above problems, the present invention takes technical solution, one liver surgical blood flow blocking means comprises a tubular body implantable within a blood vessel, is provided on the outer surface of one end of the tubular body anti-displacement inside the tubular body means is provided with a cavity, the cavity is provided with a blood blocking means; said displacement preventing means includes a dilator, the dilator comprises a plurality of uniformly disposed at one end of the stepped outer surface of the tubular body projections projecting step since a wedge shape; adjust groove provided on the tubular body and the fitting position adjustment groove is provided with a stepped upper surface of the projection and the outer surface of the tube with a grooved, stepped projections with respect to expandable and collapsible slot; the adjustment is wedge-shaped slotted groove, the groove depth increases to adjust a direction consistent with the stepped protrusion height increasing direction; the cavity is provided with a plurality of expansion rod; sliding contact with the end of the expansion rod adjusting tank, the other end is connected to an annular connector, the expansion rod rotatably connected to the annular connector; said blocking means comprises a plurality of blood valve disposed in the cavity; end of the cavity inner wall of the rotary valve via a shaft 接,另一端转动连接有一根推动杆;所述推动杆转动连接有弯杆,弯杆转动连接有一个推动环;所述血液阻断装置还包括一个血液通管,环状连接器和推动环套接于血液通管上,血液通管上还套接有一个调整环,调整环与血液通管通过螺纹转动连接。 Then, the other end rotatably connected to a push rod; push lever rotatably connected to the bent rod, bent rod rotatably connected to a push ring; said blocking means further comprise blood through a blood tube, an annular push ring and connector sleeved on the blood through the tube, the blood through the sleeved tube further has an adjustment ring, the adjustment ring is rotated with the blood through the tube by a threaded connection.

[0006] 优化的,上述肝脏手术血流阻断装置,所述血液通管靠近瓣膜的一端设置有喇叭状的开口,血液通管的内壁上设置有药物缓释层I和药物缓释层n,药物缓释层I和药物缓释层n外设置有药物缓释孔。 [0006] Optimization of the liver surgery blood flow occlusion means the tube near one end of the blood through the valve is provided on the inner wall is provided with an opening, through blood tube has a trumpet-shaped drug release layer and the drug release layer of the n I , drug release and the drug release layer I n an outer layer is provided with a drug release orifice.

[0007] 优化的,上述肝脏手术血流阻断装置,所述药物缓释层I内设置有抗凝血药物,药物缓释层n上涂覆有抗痉挛药物。 [0007] Optimization of the liver surgery blood flow blocking means is provided with a release layer of the drug within I anticoagulants, anticonvulsants coated with the drug release layer n.

[0008] 优化的,上述肝脏手术血流阻断装置,所述抗凝血药物为肝素,抗痉挛药物为氯苯氨丁酸。 [0008] Optimization of the liver surgery blood flow blocking means, the anticoagulant agent is heparin, anticonvulsants as baclofen.

[0009] 优化的,上述肝脏手术血流阻断装置,所述瓣膜为充气气囊式瓣膜。 [0009] Optimization of the liver surgery blood flow blocking means, the valve is an inflatable balloon-type valve.

[0010] 优化的,上述肝脏手术血流阻断装置,所述血液通管表面上设置有若干调整刻度, 调整刻度之间的间距为推动杆长度的1/13。 [0010] Optimization of the liver surgery blood flow blocking means, the upper surface of the blood through the tube is provided with a plurality of adjustment scale, adjust the spacing between the scale of 1/13 push rod length.

[0011] 本发明的优点在于: [0011] The advantage of the present invention:

[0012] (1)设置了防位移装置,方便了血流阻断装置在血管内的位置固定,在手术过程中,不会因肌肉蠕动而造成装置移位,提高了使用可靠性。 [0012] (1) preventing the displacement means is provided to facilitate the fixing means position blocking blood flow in the blood vessel, during surgery, the muscles will not creep caused by shifting means, which has improved reliability.

[0013] (2)楔形的固定装置在装置进入血管时较顺滑,而且能够提供足够的固定支持力。 [0013] (2) relatively smooth wedge fixing means when the device into the vessel, and can provide a sufficient holding force is fixed.

[0014] (3)当血流阻断装置进入血管时,环状连接器在血液通管的收缩位置上,扩张杆此时处于与血液通管的夹角处于最小状态,台阶凸起收缩,方便血流阻断装置进入血管。 [0014] (3) When the blood flow blocking means into the vessel, the annular connector in a retracted position on the blood through-pipe, the expansion of the rod in this case the angle between the blood through the tube at a minimum, the stepped protrusion shrinkage, blocking means into the vessel to facilitate blood flow.

[0015] 当血流阻断装置进入血管预定位置时,将环状连接器在血液通管上滑动,扩张杆与血液通管的夹角逐渐变大,扩张杆向外扩张,从而促使台阶凸起向外扩张,当台阶凸起达到与血管内壁接触状态时,停止移动环状连接器。 [0015] When the blood flow blocking means into the vessel a predetermined position, the annular connector to the blood through the tube to slide through the blood angle expansion rod pipe gradually increases, the expansion rod outward expansion, thereby causing the stepped projections since outward expansion, when the projection reaches the step and in contact with the blood vessel wall, stops moving endless connector. 台阶凸起与血管内壁的接触压力150mmHG 时,为最佳压力状态,此状态下固定状态最佳并且不会损伤血管壁。 When the contact pressure of the stepped projection 150mmHG with the blood vessel wall, the pressure is the best state, the best and the fixed state without damaging the vessel wall in this state.

[0016] (4)本申请通过瓣膜阻断血流,推动环推动弯杆,弯杆带动推动杆,推动杆推动瓣膜闭合扩张。 [0016] (4) block the blood flow through the valve in this application, push push ring bent rod, bent rod driven push lever, push rod pushing the expansion valve is closed.

[0017] (5)推动环与环状连接器同时套接于血液通管上,当血液通管上的调整环在血液通管上运动时,调整环可以同时推动推动环与环状连接器,使后两者在血液通管上同时运动相同的位移量,即本装置的防位移装置和血液阻断装置同时动作,一次操作即可完成定位和血液阻断,节省了手术时间。 [0017] (5) and the annular push ring sleeved on the connector while the blood through the tube, when the adjustment ring on the tube through the blood to the blood moving through the tube, the adjustment ring may push the annular push ring connected simultaneously after the blood so that the two through-pipe in the simultaneous movement of the displacement amount, i.e., blood and anti-displacement means of the device while blocking device operation, a positioning operation can be completed blocked and blood, saving operation time.

[0018] (6)考虑到由于本装置是血管内装置,体积极小,如何测定台阶凸起与血管内壁的压力值是一个难题。 [0018] (6) taking into account that the present device is a intravascular devices, very small volume, how to measure the pressure vessel wall projection step is a difficult problem. 基于此点,本申请的台阶凸起上可以安装一个气囊,气囊连接一个气囊管,气囊管连接可充气式气压测定装置,这样通过测定气囊的充气气压,可以使台阶凸起与血管内壁在接触时保证最佳的接触状态。 Based on this point, the projection may be mounted on the step of the present application, a balloon, a bag tube connected to the airbag, the airbag may be connected to the inflatable pneumatic tube measuring apparatus, so that by measuring the balloon inflation pressure can make contact with the stepped projection vessel wall when ensure optimum contact state.

[0019] (7)手术过程中,如果发生肌肉痉挛,血管会产生蠕动,从而影响血流阻断装置在血管内的位置,本申请克服了这一难点。 [0019] (7) during the operation, if the muscle spasm, vessels produce peristalsis, thus affecting the position of the device within a blood vessel to block blood flow, the present application overcomes this difficulty.

[0020]当调整调整环时,防位移装置和血液阻断装置同时动作,在此过程中,有一段时间血流逐渐减小但是不会完全阻断,此时,有一部分的血液从血液通管内流过,此时,血液通管内的药物缓释层I内涂覆的抗凝血药物,药物缓释层n上涂覆的抗痉挛药物缓慢的进入血液内,起到了抗凝血和抗痉挛的作用,稳定了装置在血管内的位置。 [0020] When adjusting the adjustment ring, the anti-displacement means and a blood blocking device act simultaneously in the process for some time, but is gradually decreased blood flow is not completely blocked, this time, a portion of blood from the blood pass flowing through the inner tube, this time, in the drug sustained-release coating layer through-I in the blood anticoagulants tube, coated on the n-layer anticonvulsant drug release slowly into the blood, the anticoagulant and anti-play spasm, stabilizing the position of the device within the vessel.

[0021] ⑻使用肝素作为抗凝血剂,肝素作为一种常用的抗凝血剂,临床上主要用于血栓栓塞性疾病、心肌梗死、心血管手术、心脏导管检查、体外循环、血液透析等。 [0021] ⑻ heparin as an anticoagulant, heparin as an anticoagulant commonly used, mainly for thromboembolic disease, myocardial infarction, cardiovascular surgery, cardiac catheterization, cardiopulmonary bypass, hemodialysis clinical . 用于肝脏是因为肝素首先发现与肝脏细胞,并且应用于肝部能到达意想不到的抗凝血效果。 For heparin because the liver is first found in liver cells, and liver can be applied to reach unexpected anticoagulant effect. 防止了装置在血管内时间过长,发生局部血栓的症状,保证了手术的成功概率。 Means preventing the symptoms of a blood vessel in a long time, localized thrombosis, to ensure that the probability of success of surgery.

[0022]在本申请的技术方案中,防位移装置和血液阻断装置缺一不可,缺少了防位移装置,不保证固定位置,影响手术进度,缺少了血液阻断装置无法达到预定效果。 [0022] In the aspect of the present disclosure, the anti-displacement means and the means to block the blood indispensable, the lack of anti-displacement means, does not guarantee a fixed position, affect the progress of the operation, the lack of blood blocking means can not achieve the intended effect. 并且此两者在手术过程中是同时动作的,这样极大的节省了手术时间,提高了患者的生存概率。 And this is both operate simultaneously during surgery, the surgery such great save time and increase the probability of survival of patients.

附图说明 BRIEF DESCRIPTION

[0023]图1是本发明的结构示意图; [0023] FIG. 1 is a structural diagram of the present invention;

[0024]图中1为管体、2为空腔、3为台阶凸起、4为调整槽、5为开槽、6为扩张杆、7为环状连接器、8为瓣膜、9为推动杆、10为弯杆、11为推动环、I2为血液通管、13为调整环、14为药物缓释层I、15为药物缓释层n。 [0024] FIG. 1 is a tubular body, a cavity 2, a stepped protrusion 3, 4 to adjust a groove, slot 5, 6 of the expansion rod, an annular connector 7, the valve 8, 9 to promote rod, bent rod 10, push ring 11, I2 blood through the tube, the adjustment ring 13, 14 of drug release layer I, 15 of drug release layer n.

具体实施方式 Detailed ways

[0025]下面结合附图与具体实施例进一步阐述本发明的技术特点。 Drawings and specific examples further illustrate the technical features of the present invention [0025] The following binding.

具体实施方式 Detailed ways

[0026]本发明为一种肝脏手术血流阻断装置,包括可植入血管内的管体,所述管体的一端外表面上设置有防位移装置,管体的内部设置有空腔,空腔内设置有血液阻断装置;所述防位移装置包括扩张器,扩张器包括若干均匀设置于管体一端外表面上的台阶凸起,台阶凸起为楔形;所述台阶凸起上与管体外表面配合的表面上设置有调整槽,管体上与调整槽配合的位置上设置有开槽,台阶凸起相对于开槽可收缩和扩张;所述调整槽为楔形开槽,调整槽的深度增大的方向与台阶凸起高度增加的方向一致;所述空腔内设置有若千扩张杆; 所述扩张杆的一端与调整槽滑动接触,另一端连接有一个环状连接器,扩张杆与环状连接器转动连接;所述血液阻断装置包括若干设置于空腔内的瓣膜;所述瓣膜的一端与空腔内壁通过转轴转动连接,另一端转动连接有一根推动杆;所 [0026] The present invention is a surgical liver blood flow occlusion device, comprising a tubular body implantable within a blood vessel, the outer surface of one end of the tubular body is provided with a displacement preventing means provided inside the tubular body cavity, the cavity is provided with a blood blocking means; said displacement preventing means includes a dilator, the dilator comprises a plurality of uniformly disposed at one end of the stepped outer surface of the tubular body projection, a wedge-shaped protrusion step; a projection and the step It is provided with adjustment slots, and adjustment of the tube fitting groove is provided with a slotted position, with respect to the stepped raised collapsible and expandable slotted mating surface on the outer surface of the tube; the adjustment groove is wedge-shaped slot, the adjustment tank increasing the depth direction coincides with a direction to increase the step height of the projections; if the cavity is provided with a one thousand expansion rod; sliding contact with the end of the expansion rod adjusting tank, and the other end is connected to an annular connector, expansion rod rotatably connected to the annular connector; includes a plurality of valves disposed in the cavity blocking device of the blood; end of the inner wall of the valve cavity is rotatably connected via a shaft, and the other end rotatably connected to a push rod; as 推动杆转动连接有弯杆,弯杆转动连接有一个推动环;所述血液阻断装置还包括一个血液通管,环状连接器和推动环套接于血液通管上,血液通管上还套接有一个调整环,调整环与血液通管通过螺纹转动连接。 Rotatably connected to a push rod bent rod, bent rod rotatably connected to a push ring; said blocking means further comprises a blood through blood tube connector and the annular push ring sleeved on the blood through the tube, the tube further through the blood sleeved an adjusting ring, the adjusting ring rotates with the blood through the tube by a threaded connection. 所述血液通管靠近瓣膜的一端设置有喇叭状的开口,血液通管的内壁上设置有药物缓释层I 和药物缓释层n,药物缓释层I和药物缓释层n外设置有药物缓释孔。 One end of the tube near the blood through the valve is provided on the inner wall is provided with an opening, through blood tube has a trumpet-shaped outer layer of drug release and the drug release layer I n, I and the drug release layer is provided with a drug release layer n drug delivery hole. 所述药物缓释层I内设置有抗凝血药物,药物缓释层n上涂覆有抗痉挛药物。 Said drug release layer I is provided with anticoagulants, drug release layer is coated with n anticonvulsants. 所述抗凝血药物为肝素,抗痉挛药物为氯苯氨丁酸。 The anticoagulant agent is heparin, anticonvulsants as baclofen. 所述瓣膜为充气气囊式瓣膜。 The valve is an inflatable balloon-type valve. 所述血液通管表面上设置有若千调整刻度, 调整刻度之间的间距为推动杆长度的1/13。 The tube is provided on the surface of blood through one thousand if the scale to adjust the spacing between the scale of 1/13 push rod length.

[0027]本发明的优点在于: [0027] The advantage of the present invention:

[0028] (1)设置了防位移装置,方便了血流阻断装置在血管内的位置固定,在手术过程中,不会因肌肉蠕动而造成装置移位,提高了使用可靠性。 [0028] (1) preventing the displacement means is provided to facilitate the fixing means position blocking blood flow in the blood vessel, during surgery, the muscles will not creep caused by shifting means, which has improved reliability.

[0029] (2)楔形的固定装置在装置进入血管时较顺滑,而且能够提供足够的固定支持力。 [0029] (2) relatively smooth wedge fixing means when the device into the vessel, and can provide a sufficient holding force is fixed.

[0030] (3)当血流阻断装置进入血管时,环状连接器在血液通管的收缩位置上,扩张杆此时处于与血液通管的夹角处于最小状态,台阶凸起收缩,方便血流阻断装置进入血管。 [0030] (3) When the blood flow blocking means into the vessel, the annular connector in a retracted position on the blood through-pipe, the expansion of the rod in this case the angle between the blood through the tube at a minimum, the stepped protrusion shrinkage, blocking means into the vessel to facilitate blood flow.

[0031]当血流阻断装置进入血管预定位置时,将环状连接器在血液通管上滑动,扩张杆与血液通管的夹角逐渐变大,扩张杆向外扩张,从而促使台阶凸起向外扩张,当台阶凸起达到与血管内壁接触状态时,停止移动环状连接器。 [0031] When the blood flow blocking means into the vessel a predetermined position, the annular connector to the blood through the tube to slide through the blood angle expansion rod pipe gradually increases, the expansion rod outward expansion, thereby causing the stepped projections since outward expansion, when the projection reaches the step and in contact with the blood vessel wall, stops moving endless connector. 台阶凸起与血管内壁的接触压力150mmHG 时,为最佳压力状态,此状态下固定状态最佳并且不会损伤血管壁。 When the contact pressure of the stepped projection 150mmHG with the blood vessel wall, the pressure is the best state, the best and the fixed state without damaging the vessel wall in this state.

[0032] (4)本申请通过瓣膜阻断血流,推动环推动弯杆,弯杆带动推动杆,推动杆推动瓣膜闭合扩张。 [0032] (4) block the blood flow through the valve in this application, push push ring bent rod, bent rod driven push lever, push rod pushing the expansion valve is closed. L〇〇33] (5)推动环与环状连接器同时套接于血液通管上,当血液通管上的调整环在血液通管上运动时,调整环可以同时推动推动环与环状连接器,使后两者在血液通管上同时运动相同的位移量,即本装置的防位移装置和血液阻断装置同时动作,一次操作即可完成定位和血液阻断,节省了手术时间。 L〇〇33] (5) and the annular push ring sleeved on the connector while the blood through the tube, when the adjustment ring on the tube through the blood to the blood moving through the tube, the adjustment ring and the annular push ring can be pushed simultaneously after the connector, so that both of the blood through the tube while moving the displacement amount, i.e., blood and anti-displacement means of the device while blocking device operation, once the operation to complete the positioning and blocking of blood, saving operation time.

[0034] ⑹考虑到由于本装置是血管内装置,体积极小,如何测定台阶凸起与血管内壁的压力值是一个难题。 [0034] ⑹ taking into account that the present device is a intravascular devices, very small volume, how to measure the pressure vessel wall projection step is a difficult problem. 基于此点,本申请的台阶凸起上可以安装一个气囊,气囊连接一个气囊管,气囊管连接可充气式气压测定装置,这样通过测定气囊的充气气压,可以使台阶凸起与血管内壁在接触时保证最佳的接触状态。 Based on this point, the projection may be mounted on the step of the present application, a balloon, a bag tube connected to the airbag, the airbag may be connected to the inflatable pneumatic tube measuring apparatus, so that by measuring the balloon inflation pressure can make contact with the stepped projection vessel wall when ensure optimum contact state.

[0035] (7)手术过程中,如果发生肌肉痉挛,血管会产生蠕动,从而影响血流阻断装置在血管内的位置,本申请克服了这一难点。 [0035] (7) during the operation, if the muscle spasm, vessels produce peristalsis, thus affecting the position of the device within a blood vessel to block blood flow, the present application overcomes this difficulty.

[0036]当调整调整环时,防位移装置和血液阻断装置同时动作,在此过程中,有一段时间血流逐渐减小但是不会完全阻断,此时,有一部分的血液从血液通管内流过,此时,血液通管内的药物缓释层I内涂覆的抗凝血药物,药物缓释层n上涂覆的抗痉挛药物缓慢的进入血液内,起到了抗凝血和抗痉挛的作用,稳定了装置在血管内的位置。 [0036] When adjusting the adjustment ring, the anti-displacement means and a blood blocking device act simultaneously in the process for some time, but is gradually decreased blood flow is not completely blocked, this time, a portion of blood from the blood pass flowing through the inner tube, this time, in the drug sustained-release coating layer through-I in the blood anticoagulants tube, coated on the n-layer anticonvulsant drug release slowly into the blood, the anticoagulant and anti-play spasm, stabilizing the position of the device within the vessel.

[0037] ⑻使用肝素作为抗凝血剂,肝素作为一种常用的抗凝血剂,临床上主要用于血栓栓塞性疾病、心肌梗死、心血管手术、心脏导管检查、体外循环、血液透析等。 [0037] ⑻ heparin as an anticoagulant, heparin as an anticoagulant commonly used, mainly for thromboembolic disease, myocardial infarction, cardiovascular surgery, cardiac catheterization, cardiopulmonary bypass, hemodialysis clinical . 用于肝脏是因为肝素首先发现与肝脏细胞,并且应用于肝部能到达意想不到的抗凝血效果。 For heparin because the liver is first found in liver cells, and liver can be applied to reach unexpected anticoagulant effect. 防止了装置在血管内时间过长,发生局部血栓的症状,保证了手术的成功概率。 Means preventing the symptoms of a blood vessel in a long time, localized thrombosis, to ensure that the probability of success of surgery.

[0038] 在本申请的技术方案中,防位移装置和血液阻断装置缺一不可,缺少了防位移装置,不保证固定位置,影响手术进度,缺少了血液阻断装置无法达到预定效果。 [0038] In the aspect of the present disclosure, the anti-displacement means and the means to block the blood indispensable, the lack of anti-displacement means, does not guarantee a fixed position, affect the progress of the operation, the lack of blood blocking means can not achieve the intended effect. 并且此两者在手术过程中是同时动作的,这样极大的节省了手术时间,提高了患者的生存概率。 And this is both operate simultaneously during surgery, the surgery such great save time and increase the probability of survival of patients.

[0039]当然,上述说明并非是对本发明的限制,本发明也并不限于上述举例,本技术领域的普通技术人员,在本发明的实质范围内,作出的变化、改型、添加或替换,都应属于本发明的保护范围。 [0039] Of course, the above description are not restrictive of the invention, the invention is not limited to the above example, variations of ordinary skill in the art, within the spirit of the present invention, made, modifications, additions or substitutions, It shall fall within the protection scope of the present invention.

Claims (6)

1. 一种肝脏手术血流阻断装置,其特征在于:包括可植入血管内的管体,所述管体的一端外表面上设置有防位移装置,管体的内部设置有空腔,空腔内设置有血液阻断装置;所述防位移装置包括扩张器,扩张器包括若干均匀设置于管体一端外表面上的台阶凸起,台阶凸起为楔形;所述台阶凸起上与管体外表面配合的表面上设置有调整槽,管体上与调整槽配合的位置上设置有开槽,台阶凸起相对于开槽可收缩和扩张;所述调整槽为楔形开槽,调整槽的深度增大的方向与台阶凸起高度增加的方向一致;所述空腔内设置有若干扩张杆; 所述扩张杆的一端与调整槽滑动接触,另一端连接有一个环状连接器,扩张杆与环状连接器转动连接;所述血液阻断装置包括若干设置于空腔内的瓣膜;所述瓣膜的一端与空腔内壁通过转轴转动连接,另一端转动连接有一根推动杆;所 A surgical liver blood flow blocking means, characterized by: a tubular body implantable within a blood vessel, the outer surface of one end of the tubular body is provided with a displacement preventing means provided inside the tubular body cavity, the cavity is provided with a blood blocking means; said displacement preventing means includes a dilator, the dilator comprises a plurality of uniformly disposed at one end of the stepped outer surface of the tubular body projection, a wedge-shaped protrusion step; a projection and the step It is provided with adjustment slots, and adjustment of the tube fitting groove is provided with a slotted position, with respect to the stepped raised collapsible and expandable slotted mating surface on the outer surface of the tube; the adjustment groove is wedge-shaped slot, the adjustment tank uniform depth direction of the step increases the projections increase in height direction; the expansion cavity is provided with a plurality of rod; rod end of the expansion and adjustment of the sliding contact groove, and the other end is connected to an annular connector, the expansion lever rotatably connected to the annular connector; includes a plurality of valves disposed in the cavity blocking device of the blood; end of the inner wall of the valve cavity is rotatably connected via a shaft, and the other end rotatably connected to a push rod; as 推动杆转动连接有弯杆,弯杆转动连接有一个推动环;所述血液阻断装置还包括一个血液通管,环状连接器和推动环套接于血液通管上,血液通管上还套接有一个调整环,调整环与血液通管通过螺纹转动连接。 Rotatably connected to a push rod bent rod, bent rod rotatably connected to a push ring; said blocking means further comprises a blood through blood tube connector and the annular push ring sleeved on the blood through the tube, the tube further through the blood sleeved an adjusting ring, the adjusting ring rotates with the blood through the tube by a threaded connection.
2.根据权利要求1所述的肝脏手术血流阻断装置,其特征在于:所述血液通管靠近瓣膜的一端设置有喇叭状的开口,血液通管的内壁上设置有药物缓释层I和药物缓释层n,药物缓释层I和药物缓释层n外设置有药物缓释孔。 The blood flow of the liver surgery blocking device according to claim 1, wherein: the blood through the tube near one end of the valve is provided with a trumpet-shaped opening, provided with a drug release layer I on the inner wall of the blood through the tube and the drug release layer n, drug release and the drug release layer I is provided with an outer layer of the n drug release hole.
3.根据权利要求2所述的肝脏手术血流阻断装置,其特征在于:所述药物缓释层I内设置有抗凝血药物,药物缓释层n上涂覆有抗痉挛药物。 2 according to the blood flow blocking liver surgery apparatus as claimed in claim wherein: said medicament is provided with a release layer I anticoagulants, drug release layer is coated with n anticonvulsants.
4.根据权利要求3所述的肝脏手术血流阻断装置,其特征在于:所述抗凝血药物为肝素,抗痉挛药物为氯苯氨丁酸。 4. The surgical liver blood flow blocking device according to claim 3, wherein: the anticoagulants heparin, anticonvulsants as baclofen.
5.根据权利要求1所述的肝脏手术血流阻断装置,其特征在于:所述瓣膜为充气气囊式瓣膜。 The blood flow of the liver surgery in blocking device according to claim 1, characterized in that: the valve is an inflatable balloon-type valve.
6.根据权利要求5所述的肝脏手术血流阻断装置,其特征在于:所述血液通管表面上设置有若干调整刻度,调整刻度之间的间距为推动杆长度的1/13。 5 according to the liver blood flow occlusion surgical apparatus as claimed in claim wherein: the blood through the tubes disposed on the surface of a number of adjustments scale, adjust the spacing between the scale of 1/13 push rod length.
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