CN104586469B - Local circulating device in addition to taking thrombus - Google Patents

Local circulating device in addition to taking thrombus Download PDF

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CN104586469B
CN104586469B CN201310534616.2A CN201310534616A CN104586469B CN 104586469 B CN104586469 B CN 104586469B CN 201310534616 A CN201310534616 A CN 201310534616A CN 104586469 B CN104586469 B CN 104586469B
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tube
impeller
thrombus
connected
inner tube
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CN104586469A (en
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闫士举
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上海理工大学
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Abstract

本发明公开了一种局部循环式血栓取除器,它主要包括用于打碎血栓的叶轮组件、头端保护管、内管、外管、第一Y形阀和第二Y形阀。 The present invention discloses a topical circulating thrombus take in addition, a component that includes an impeller for breaking the thrombus, the head end of the protective tube, an inner tube, an outer tube, a first valve and a second Y-Y valve. 在内管与叶轮组件之间形成第一环腔,在外管与内管之间形成第二环腔;第一Y形阀上设有用于与补液泵连接的补液接头,该补液接头与第二环腔连通;第二Y形阀上设有用于与抽栓泵连接的排栓接头,该排栓接头与第一环腔连通。 Between the inner tube and forming a first annulus wheel assembly, a second annular space is formed between the outer and inner tubes; fluid connector is provided for connection with a fluid pump, a first Y-shaped valve, the second fluid connector and communicating annulus; plug provided with a vent plug connector for the suction pump connected to the second Y-shaped valve, which communicates with the first row of pin connector ring cavity. 本发明的局部循环式血栓取除器可提高血栓取除率并防止损伤静脉内膜,可将血栓碎粒彻底排出体外并防止正常血液过度流失。 Local thrombus circulating the present invention may be taken in addition to the removal rate and improve thrombus taken to prevent intimal injury, thrombosis nibs may be completely eliminated from the body and to prevent excessive loss of normal blood. 本发明尤其适合采用经皮微创术式进行人体股深静脉血栓的取除。 The present invention is particularly suitable for deep venous thrombosis for human femoral percutaneous minimally invasive surgical procedures take in addition.

Description

局部循环式血栓取除器 Local circulating device in addition to taking thrombus

技术领域 FIELD

[0001] 本发明涉及一种医疗器械,特别涉及一种局部循环式血栓取除器。 [0001] The present invention relates to a medical instrument, particularly to a partial circulation type device in addition to taking thrombus.

背景技术 Background technique

[0002]由于饮食结构改变等原因,人们血栓病的发病率呈现增高趋势,尤其是下肢深静脉血栓病例越来越多。 [0002] Due to structural changes such as diet, the incidence of thrombosis of people showing an increasing trend, especially as more and more cases of deep vein thrombosis. 静脉血栓沉积会造成血流障碍和淤滞,从而在静脉血管内形成血栓性静脉炎症。 Depositing vein thrombosis and stasis cause blood disorders, inflammation thereby forming thrombophlebitis within the vein. 对于慢性髂股静脉血栓患者,静脉血栓会导致下肢长期肿胀,静脉曲张,破溃不愈等。 For chronic iliac vein thrombosis, venous thrombosis can lead to long-term lower limb swelling, varicose veins, ulceration unhealed. 另外,静脉血栓脱落后还可能会转移到身体其他部位和脏器,从而导致严重的并发症。 In addition, venous thrombosis after shedding may also be transferred to other body parts and organs, leading to serious complications. 例如,静脉中的血栓通过静脉血管转移并在肺部沉积,可造成肺栓塞,导致患者死亡。 For example, venous thrombi and by transferring vein pulmonary deposition, can cause pulmonary embolism, resulting in death of the patient. 血栓病的治疗方法有:1、内科治疗,主要采用抗凝、溶栓等药物治疗。 Treatment of thrombosis are: 1, medical treatment, mainly anticoagulant, thrombolytic therapy. 药物治疗偶尔会出现流血或出血等症状;另外,对某些紧急病例,采用药物疗法速度太慢。 Occasionally there will be drug treatment such as bleeding or bleeding; In addition, certain emergency cases, the use of drug therapy is too slow. 2、外科手术治疗,在血管上有血栓沉积的部位开一个切口,经由该切口取出血栓。 2, surgery, thrombosis deposited a cut-open portion, removed via the thrombotic vascular incision. 手术治疗对于深静脉血栓患者难度及创伤大;而且,取栓过程本身就有可能导致残余血栓块进入肺部,从而引起致命的肺栓塞。 Surgical treatment for large and deep vein thrombosis in patients with difficult wounds; Furthermore, thrombectomy procedure itself may result in the residual clot into the lungs, causing fatal pulmonary embolism. 3、介入治疗,可采用经皮穿刺的方式,通过患者体表一个微小的切口将专门的微创介入手术器械引入静脉,在X光透视下直接进行接触溶栓和除栓。 3, interventional therapy, percutaneous manner employed, the patient surface through a tiny incision specialized minimally invasive surgical instrument introduced into the vein, and other thrombolytic contact pin directly in the X-ray. 与常规的外科手术治疗相比,介入治疗创伤更小,受静脉血栓沉积部位深度的影响更小。 Compared to conventional surgery, less invasive intervention, by deep vein thrombosis smaller the deposition site.

[0003]经对现有技术的文献检索发现,专利号为ZL200320121061.0的中国实用新型专利《静脉取栓管》(授权公告号为CN2659350Y)公开了一种静脉取栓管。 [0003] Document Retrieval been found that the prior art, the patent number ZL200320121061.0 Chinese utility model patent "venous tube bolt" (authorized announcement No. CN2659350Y) discloses a venous pipe plug. 该专利由通管丝、取栓管及球囊3部分构成,优点为可取出四肢深静脉血栓而不损伤静脉瓣膜。 This patent by the stylet, the balloon embolectomy tubes and 3 parts, advantage can be taken out without damaging the limb deep vein thrombosis venous valve. 专利号为ZL96245233.5的中国实用新型专利《血管取栓导管》(授权公告号为CN2268496Y)公开了一种血管取栓导管。 Patent No. ZL96245233.5 of Chinese utility model patents "vascular embolectomy catheter" (notice of authorization number CN2268496Y) discloses a vascular catheter embolectomy. 该专利实际上为一种双腔导管,其中一腔连结球囊,用于供应液体或气体使球囊膨胀;另一腔用于血液喷流。 This patent in fact as a dual lumen catheter, wherein a coupling cavity balloon for supplying liquid or gas inflating the balloon; the other chamber for the blood jet. 该专利的优点为可自动判别导管头端是否到达血栓位置。 An advantage of this patent is automatically determined whether the catheter tip reaches the position of the thrombus. 该两专利均采用一个球囊执行刮除血栓的功能。 The two patents are performed using a balloon thrombus scraping function. 对于某些陈旧性血栓,可能很难实现一次性刮除,这样就需要重新插入导管,膨胀球囊后再次刮除残余血栓,很容易导致部分碎小的血栓块残余在血管内而不能被彻底取出。 For some old thrombi, may be difficult to achieve a disposable scraper, thus requiring re-insertion of the catheter after inflation of the balloon scraping residual thrombus again, easily lead to the residual portion Suixiao clot within the vessel can not be completely take out.

[0004] 专利号为ZL200820098250.3的中国实用新型专利《用于治疗血栓的滑动式组合导管》(授权公告号为CN201192520Y)公开了一种用于治疗血栓的滑动式组合导管。 [0004] Patent No. ZL200820098250.3 the Chinese utility model patent "for the treatment of thrombosis sliding combination duct" (authorized announcement No. CN201192520Y) discloses a combination of sliding catheter for the treatment of thrombosis. 该专利由一个芯管和一个套管构成,芯管和套管头端分别连结一个球囊。 This patent consists of a casing and a core tube, core tube and the sleeve are connected to a head end of the balloon. 该专利拟通过套管头端球囊的来回拖动来刮除血栓。 This patent intends to thrombus scraped by dragging the sleeve back and forth the head end of the balloon. 该专利的优点是采用两个球囊分别实现血管临时封堵和血栓刮除的功能,从而减小了碎小血栓块残余的几率。 The advantage of this patent is the use of two balloons are temporarily plugging blood vessels and thrombosis scraping function, thereby reducing the chance of residual clot Suixiao.

[0005]申请号为92106702.X的中国发明专利《取体内脏器血管栓子的导管》(公开号为CN1072867A)公开了一种取体内脏器血管栓子的导管。 [0005] Application No. 92106702.X Chinese invention patent "take vascular emboli catheter body organs" (Publication No. CN1072867A) discloses a catheter body organs taken one kind of vascular emboli. 该专利由一个带有球囊的内导管和一个带有喇叭口并开设有侧孔的外套管构成。 This patent consists of a catheter with a balloon and defines with the outer sleeve and the bell mouth is formed with the side hole. 该专利可在刮除血栓的过程中不阻断血流。 This patent does not block the blood flow in the process it may be scraped thrombus. 但是,该专利的喇叭口为一大小固定的硬性结构,不能适应不同患者血管的粗细不等,另夕卜,这种硬性结构不利于外套管头端与人体血管接触部位的密封,再加上喇叭口附近还开有一些侧孔,这些原因都将导致部分碎小的血栓块残余在血管内而不能被彻底取出。 However, this patent is a bell mouth fixed-size rigid structure, can not meet the varying thickness of different patients with vascular, another Bu Xi, this rigid structure is not conducive to sealing the outer sleeve head end part of the body in contact with the vessel, plus also opened near the flared lateral openings, these reasons would cause some residual thrombus mass Suixiao can not be removed completely within the vessel.

[0006]以上4个专利中,直接执行血栓刮除功能的元件均为球囊。 [0006] In the above four patents, the balloon are performed directly thrombus scraper element function. 球囊本身为弹性元件,且表面光滑,再加上人体血管壁具有一定的弹性,这使得在执行血栓刮除的过程中血管和球囊均会发生一定程度的“退让”。 The balloon itself is an elastic member, and a smooth surface, together with the human blood vessel wall has a certain elasticity, which makes the blood vessel and the balloon will occur to some extent during the execution of the thrombus scraping "retreat." 导致某些血栓,尤其是陈旧性血栓并不能被彻底地刮除。 Cause some blood clots, especially in old thrombi not be thoroughly scrape.

[0007] 专利号为ZL200620164685.4的中国实用新型专利《取栓器》(授权公告号为CN201042451Y)公开了一种取栓器。 [0007] Patent No. China utility model patent ZL200620164685.4 of "thrombectomy device" (notice of authorization number CN201042451Y) discloses a thrombectomy device. 该专利采用由记忆合金丝构成的伞状结构进行血栓刮除,采用套管将刮除后的血栓排出体外。 This patent uses a scraping umbrella of thrombus memory alloy wire configuration, the sleeve thrombus using scraper excreted. 该专利采用金属丝而非球囊进行血栓刮除,可提高刮除效果。 This patent uses instead wire balloon thrombus scraping, scraping effect can be improved. 但是,金属丝同时也有可能刮伤血管内壁。 However, the wire is also likely to scratch the blood vessel wall.

[0008]上述的现有技术在以下3个方面尚存在不足:1、对于栓核或陈旧性血栓取除效果不理想,取除率低;2、取栓过程损伤血管内膜,容易形成继发性血栓;3、取拴过程中产生的血栓碎粒部分残留在血液内部进入旁路动脉和脏器,可能导致相关脏器发生栓塞或功能衰竭;4、取栓过程中正常血液流失多,易导致病人贫血。 [0008] The above-described prior art, there are still insufficient in the following three aspects: 1, for the core bolt or take old thrombi addition effect is not satisfactory, in addition to taking low; 2, neointimal embolectomy procedure, easily formed following recurrent thrombosis; 3, taken partially tied nib thrombus generated during the blood remaining in the interior of the artery and into bypass organs, may lead to the occurrence of thrombosis or related organ failure; 4, during normal embolectomy blood loss, and easily lead to anemia patients.

发明内容 SUMMARY

[0009]本发明的目的,就是为了解决上述问题,提供一种局部循环式血栓取除器。 [0009] The object of the present invention is to solve the above problems, there is provided a topical circulating device in addition to taking thrombus.

[0010]为了达到上述目的,本发明采用了以下技术方案:一种局部循环式血栓取除器,其包括: [0010] To achieve the above object, the present invention employs the following technical solution: A local circulating thrombus take other, comprising:

[0011]用于打碎血栓的叶轮组件; [0011] The impeller assembly for breaking the thrombus;

[0012]头端保护管,其套装在叶轮组件的头端; [0012] The head end the protective tube, which set in the head end of the impeller assembly;

[0013]内管,其套装在叶轮组件外并与头端保护管的后部嵌套相连,在内管与叶轮组件之间形成第一环腔; [0013] an inner tube, which set of nested and connected to the rear end of the protective tube in the head outside the impeller assembly, a first annular space formed between the inner tube and the impeller assembly;

[0014]外管,其套装在内管外,在外管与内管之间形成第二环腔; [0014] an outer tube, which inner tube outer suit, forming a second annulus between the outer tube and the inner tube;

[0015]第一 Y形阀,其套装在外管的后部,前端与外管的后端相连,第一Y形阀上设有用于与补液栗连接的补液接头,该补液接头与第二环腔连通; [0015] The first Y-shaped valve, the rear portion of the outer tube which is set, the front and rear ends is connected to the outer tube, provided with a fluid connector for connecting a first fluid Li Y-shaped valve, the fluid connector and the second ring communicating chamber;

[0016]第二 Y形阀,其套装在第一Y形阀后,前端与内管的后端相连,第二Y形阀上设有用于与抽栓栗连接的排栓接头,该排栓接头与第一环腔连通。 [0016] The second Y-shaped valve fitted over the first Y-shaped valve, the rear end is connected to the distal end of the inner tube, provided with an exhaust pump and plug connector for connecting the second pin Li Y valve, the discharge pin a first annulus in communication with the linker.

[0017] —用于与电机传动相连的传动方轴; [0017] - means connected to the drive shaft of the motor side gear;

[0018] 一连接在传动方轴前方的传动轴; [0018] In a shaft connected to the front drive shaft side;

[0019] 一连接在传动轴前方的叶轮转轴; [0019] The impeller shaft is connected to a front drive shaft;

[0020] 一安装在叶轮转轴前端的叶轮; [0020] The front end of a rotating shaft of the impeller is mounted on an impeller;

[0021]所述叶轮转轴及安装于其上的叶轮被封闭在头端保护管内,叶轮转轴与头端保护管之间设有定位轴承。 [0021] The impeller shaft and impeller mounted thereon is enclosed within the head end of the protective tube, with the bearings positioned between the impeller shaft and the head end of the protective tube.

[0022]所述头端保护管的前端开口形成吸栓口,头端保护管的侧壁分别设有泄压口和排栓口,泄压口和排栓口分别位于所述定位轴承的前后。 [0022] The tip end opening of the protective tube forming the suction port pin, the head end of the side wall of the protective tube are provided with pressure relief port and the discharge port plug, the relief port and a discharge port are located in front of the plug locating bearing .

[0023]所述内管的前端设有扩径部,所述头端保护管的后部与该扩径部嵌套相连,所述外管的前端端口位于内管的扩径部之后并与内管之间形成补液口。 [0023] The front end portion of the inner tube is provided with a diameter, said head after a rear end of the protective tube and connected to the enlarged diameter portion nested, the outer tube distal port positioned radially enlarged portion of the inner tube, and with the inner tube is formed between the fluid port.

[0024]所述第一 Y形阀后端与内管之间设有用于防止补液渗漏的第一密封圈;所述第二Y形阀与叶轮传动轴之间设有用于防止排出液渗漏的第二密封圈。 [0024] The first Y-shaped valve provided between the rear end of the inner tube and a first seal for preventing leakage of fluid; discharging the liquid is provided for preventing infiltration between the valve shaft and the second Y-shaped wheel a second seal leakage.

[0025]本发明的局部循环式血栓取除器刮除血栓彻底、可防止损伤静脉内膜、可将血栓彻底排出体外,避免碎小血栓块在人体内的残留。 [0025] recursive local thrombus filter of the present invention are removed by passing the scraper completely thrombus prevent intimal injury, thrombosis can be completely eliminated from the body, to avoid residual clot Suixiao human body. 本发明适合用于人体四肢静脉血栓的刮除,尤其适合采用经皮微创手术技术进行人体股静脉深处血栓的刮除。 The present invention is suitable for human limbs scraper venous thrombosis, especially for percutaneous minimally invasive surgical techniques for deep venous thrombosis of human femoral scraper.

附图说明 BRIEF DESCRIPTION

[0026]图1是本发明局部循环式血栓取除器的整体结构示意图; [0026] FIG. 1 is a schematic view of an overall structure except the recursive local thrombus present invention taken;

[0027]图2是本发明局部循环式血栓取除器的头端结构示意图; [0027] FIG. 2 is a schematic view of the structure in addition to the head end's local thrombus circulating the present invention taken;

[0028]图3是本发明局部循环式血栓取除器的尾端结构示意图; [0028] FIG. 3 is a schematic partial circulation type of the present invention taken thrombus filter in addition to the structure of the trailing end;

[0029]图4是本发明局部循环式血栓取除器的头端剖视结构示意图; [0029] FIG. 4 is a partial circulation type thrombus filter of the present invention taken in addition to the head end of a schematic cross-sectional configuration;

[0030]图5是本发明中的头端保护管结构示意图; [0030] FIG. 5 is a schematic view of the head end of the protective tube structure of the present invention;

[0031]图6是本发明中的叶轮组件结构示意图; [0031] FIG. 6 is a schematic diagram of the structure of the impeller assembly of the present invention;

[0032]图7是本发明局部循环式血栓取除器的工作状态示意图; [0032] FIG. 7 is a partial circulation type of the present invention taken thrombus schematic other's operating state;

[0033]图8是本发明局部循环式血栓取除器的工作原理示意图。 [0033] FIG. 8 is a schematic diagram of an operation principle other local thrombus circulating the present invention taken.

具体实施方式 Detailed ways

[0034] 参见图1,配合参见图2-图6,本发明的局部循环式血栓取除器,包括:用于打碎血栓的叶轮组件1、头端保护管2、内管3、外管4、第一Y形阀5和第二Y形阀6。 [0034] Referring to FIG. 1, see FIGS. 2-6 with the partial circulation type of the present invention taken in addition to thrombus, comprising: means for breaking the thrombus impeller assembly 1, the head end of the protective tube 2, inner tube 3 and outer tube 4, a first Y-shaped valve 5 and the second Y-shaped valve 6.

[0035] 配合参见图6、图3,上述用于打碎血栓的叶轮组件I进一步包括:一用于与电机传动相连的传动方轴U,一连接在传动方轴前方的传动轴12、一连接在传动轴前方的叶轮转轴13、一安装在叶轮转轴前端的叶轮14。 [0035] Referring to Figure 6 with Figure 3, said impeller assembly for breaking the thrombus I further comprising: a drive side shaft and a drive motor connected to U, a connecting shaft 12, a square drive shaft in the front in the front wheel drive shaft connected to the rotary shaft 13, a rotating shaft of the impeller is mounted in the distal end of the impeller 14.

[0036]配合参见图4、图5,头端保护管2套装在叶轮组件的头端,该头端保护管的前端开口形成吸栓口21,头端保护管的侧壁分别设有泄压口22和排栓口23,叶轮转轴与头端保护管之间设有定位轴承24,泄压口和排栓口分别位于定位轴承的前后。 [0036] with 4, 5, the head end of the protective tube 2 set at the distal end of the impeller assembly of the head, the head end of the protective tube forming the suction opening of the bolt opening 21, the side wall of the head end of the protective tube are provided with relief port 22 and a discharge port plug 23, a bearing 24 is provided with longitudinal positioning, pressure relief port and a discharge port, respectively, the positioning pin between the bearing shaft and the impeller tip protective tube. 叶轮转轴13及安装于其上的叶轮14被封闭在头端保护管内。 The impeller shaft 13 and the impeller 14 mounted thereon is enclosed within the head end of the protective tube.

[0037]内管3套装在叶轮组件I外并与头端保护管2的后部嵌套相连,在内管与叶轮组件之间形成第一环腔7。 [0037] Set the inner tube 3 and the outer wheel assembly I is connected to the rear portion of the head end of the protective tube 2 nest, a first annulus is formed between the inner tube 7 and the impeller assembly. 在内管3的前端设有扩径部,头端保护管2的后部与该扩径部嵌套相连。 The front end of the inner tube 3 is provided with the enlarged diameter portion, the head end of the protective tube 2 is connected to the rear portion of the enlarged diameter portion nested. 外管4套装在内管3外,在外管与内管之间形成第二环腔8;外管4的前端端口位于内管的扩径部之后并与内管之间形成补液口41。 The second ring chamber 8 is formed between the outer tube and the inner tube outer tube 4 inner package 3 outer tube; an outer tube distal port 4 is located after the enlarged diameter portion of the inner tube 41 and forms a fluid port and between the inner tube.

[0038]第一 Y形阀5套装在外管4的后部,前端与外管4的后端相连,第一Y形阀上设有用于与补液栗连接的补液接头51,该补液接头与第二环腔连通。 [0038] The first Y-shaped rear portion of the outer tube 5 Set valve 4 is connected to the rear end of the distal end of the outer tube 4, it is provided with a fluid connector 51 connected to the first fluid Li Y-valve, the connector and the first fluid bicyclic communication chamber.

[0039]第二 Y形阀6套装在叶轮组件上并串接在第一Y形阀后,前端与内管的后端相连,第二Y形阀上设有用于与抽栓栗连接的排栓接头61,该排栓接头与第一环腔连通。 [0039] The second Y-shaped valve 6 is fitted over the impeller assembly and is connected in series after the first Y-shaped valve, the rear end is connected to the front end of the inner tube, provided with a discharge pump connected to the second plug Li Y valve 61 plug connector, the plug connector and the first discharge annulus communication.

[0040]在第一 Y形阀5后端与内管3之间设有用于防止补液渗漏的第一密封圈9;在第二Y形阀6后端与叶轮组件的传动轴12之间设有用于防止排出液渗漏的第二密封圈10。 [0040] Y-shaped valve between the first 5 and the rear end of the inner tube 3 is provided with a first fluid leakage seal for preventing 9; between the second Y-shaped valve shaft 6 and the rear wheel assembly 12 It provided with a second seal for preventing leakage of liquid 10 is discharged.

[0041 ]本发明的工作原理可结合图7、图8说明如下: [0041] The working principle of the present invention may be incorporated in FIG. 7, FIG. 8 described below:

[0042]图7、图8中所示,15表示人体下肢深静脉,16表示深静脉血栓。 [0042] FIG. 7, shown in Figure 8, 15 indicates the body of deep venous, 16 denotes deep vein thrombosis. 为了取除深静脉血栓,将本发明的局部循环式血栓取除器插入人体下肢深静脉,使其头端达到深静脉血栓部位。 In order to take in addition deep vein thrombosis, thrombosis of the local circulation type of the present invention taken in addition to deep venous insertion body, making it reach the end of the head portion of deep vein thrombosis. 将传动方轴11与电机相连,将补液接头51与补液栗相连,将排栓接头61与抽栓栗相连。 The square drive shaft 11 connected with the motor, the fluid connector 51 is connected with the fluid Li, exhaust plug connector 61 is connected to the pin Li pumping. 然后启动电机、补液栗和抽栓栗,通过传动轴12、叶轮转轴13带动叶轮14转动,叶轮转动产生的相对负压把血栓吸向吸栓口21,血栓接触叶轮后被打成碎粒并由泄压口22排出至静脉局部。 Then start the motor, and the suction fluid Li Li bolt, the impeller shaft 13 driven by rotation of the impeller 14 through the shaft 12, rotation of the impeller generates a negative pressure relative to the suction thrombectomy plug port 21, after the contact of the impeller labeled thrombus groats and discharged from the relief port 22 to the venous part. 由补液栗送来的生理盐水则经补液接头51进入内管与外管之问的第二环腔8,从补液口41注入静脉局部,少部分向右流入静脉未发生血栓的区段与正常血液融合,大部分向左流,与已经打碎的血栓碎粒融合,在相对负压的作用下一起从排栓口23经由内管与传动轴11之间的第一环腔7,经排栓接头61排出体外。 Li a fluid section normal saline is fed via the fluid connector 51 into the inner pipe Q and the outer pipe of the second annular chamber 8, local intravenous injection fluid from port 41, a small portion into the venous thrombosis did not occur to the right of blood fusion, most of the flow to the left, has been broken nibs thrombus fusion, under relatively negative pressure act together from the discharge port 23 via a first bolt annular space between the inner tube and the drive shaft 117, through the discharge 61 plug connector excreted.

Claims (1)

1.一种局部循环式血栓取除器,其特征在于包括: 用于打碎血栓的叶轮组件; 头端保护管,其套装在叶轮组件的头端; 内管,其套装在叶轮组件外并与头端保护管的后部嵌套相连,在内管与叶轮组件之间形成第一环腔; 外管,其套装在内管外,在外管与内管之间形成第二环腔; 第一Y形阀,其套装在外管的后部,前端与外管的后端相连,第一Y形阀上设有用于与补液栗连接的补液接头,该补液接头与第二环腔连通; 第二Y形阀,其串接在第一Y形阀后,前端与内管的后端相连,第二Y形阀上设有用于与抽栓栗连接的排栓接头,该排栓接头与第一环腔连通; 所述叶轮组件进一步包括: 一用于与电机传动相连的传动方轴; 一连接在传动方轴前方的传动轴; 一连接在传动轴前方的叶轮转轴; 一安装在叶轮转轴前端的叶轮; 所述叶轮转轴及安装于其上的叶轮 A local thrombus take other circulating device, comprising: means for breaking the thrombus impeller assembly; head end of the protective tube, which is set at the head end of the impeller assembly; inner tube, which set outside the impeller assembly and nesting is connected to the rear end of the head of the protective tube, forming a first annulus between the inner tube and the impeller assembly; an outer tube, which inner tube outer suit, forming a second annulus between the inner tube and the outer tube; the first a Y-shaped valve, the rear portion of the outer tube which is set, the front and rear ends is connected to the outer tube, provided with a fluid connector for connecting a first fluid Li Y-shaped valve, the fluid connector communicates with the second annulus; first two Y-shaped valve which is connected in series after the first Y-shaped valve, the rear end is connected to the front end of the inner tube, provided with a pump for discharging pin connector plug Li Y connected to the second valve, the first row of plug connector and an annular chamber in communication; the impeller assembly further comprises: a square shaft with a drive gear connected to the motor; a drive shaft connected to a front side of a drive shaft; impeller shaft is connected to a front drive shaft; an impeller mounted on the shaft the front end of an impeller; impeller shaft and the impeller mounted thereon 封闭在头端保护管内,叶轮转轴与头端保护管之间设有定位轴承; 所述头端保护管的前端开口形成吸栓口,头端保护管的侧壁分别设有泄压口和排栓口,泄压口和排栓口分别位于所述定位轴承的前后; 所述内管的前端设有扩径部,所述头端保护管的后部与该扩径部嵌套相连,所述外管的前端端口位于内管的扩径部之后并与内管之间形成补液口; 所述第一Y形阀后端与内管之间设有用于防止补液渗漏的第一密封圈;所述第二Y形阀与叶轮传动轴之间设有用于防止排出液渗漏的第二密封圈。 Enclosed within the head end of the protective tube, with the bearings positioned between the impeller shaft and the head end of the protective tube; protective tube distal the head end of the bolt opening of the suction port is formed, the head end of the side wall of the protective tube and the exhaust port are respectively provided with relief tap port, the relief port and the discharge port are respectively located before and after the pin positioning bearing; front end of the inner tube is provided with enlarged diameter portions, said rear portion of the head end of the protective tube is connected to the enlarged diameter portion nested, the the distal end of said tube and the outer port is formed between the inner tube and the fluid port is located after the enlarged diameter portion of the inner tube; Y is provided between the first valve and the rear end of the inner pipe for preventing the first fluid seal leakage ; Y is provided with the second discharging a second seal for preventing fluid leakage between the valve and the impeller shaft.
CN201310534616.2A 2013-11-01 2013-11-01 Local circulating device in addition to taking thrombus CN104586469B (en)

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CN106073856B (en) * 2016-05-16 2018-09-18 西安交通大学第一附属医院 It is a kind of angiocarpy embolism intervention take pin device
WO2018161959A1 (en) * 2017-03-10 2018-09-13 上海心玮医疗科技有限公司 Thrombectomy device system
CN109199527A (en) * 2017-06-30 2019-01-15 微创心脉医疗科技(上海)有限公司 Mechanical thrombus remove device
CN107854114A (en) * 2017-10-12 2018-03-30 中国科学院上海光学精密机械研究所 Passively-driven rotary scanning optical probe

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