技术领域technical field
本实用新型涉及血栓捕获器，具体地指一种导管末梢血栓捕获器。The utility model relates to a thrombus catcher, in particular to a catheter end thrombus catcher.
背景技术Background technique
导管末梢血栓是植入性导管(输液导管、透析导管)末梢常见的并发症，其主要表现为导管末梢形成附壁血栓，血栓脱落将造成严重的临床损害，如肺栓塞、动脉远端栓塞，造成组织坏死甚至危及生命等。目前对于导管末梢血栓尚没有绝对有效的治疗方法，多采用全身抗凝治疗，对人体损伤大，治疗效果差。Thrombus at the end of the catheter is a common complication at the end of implantable catheters (infusion catheters, dialysis catheters). Cause tissue necrosis and even life-threatening. At present, there is no absolutely effective treatment method for catheter distal thrombosis, and systemic anticoagulant therapy is mostly used, which causes great damage to the human body and poor therapeutic effect.
发明内容Contents of the invention
本实用新型的目的就是要提供一种导管末梢血栓捕获器，该血栓捕获器采用伞状骨架与纤维网伞面相结合，通过操纵操作杆来展开或者闭合纤维网伞面实现对血管内导管末梢血栓的捕获。The purpose of this utility model is to provide a catheter distal thrombus catcher, the thrombus catcher uses an umbrella-shaped framework combined with a fiber mesh umbrella surface, through the manipulation of the operating rod to expand or close the fiber mesh umbrella surface to realize the detection of catheter distal thrombus in blood vessels capture.
为实现上述目的，本实用新型所设计的导管末梢血栓捕获器，包括操作杆、设置在操作杆一端可展开或者闭合的伞状骨架、以及覆盖在伞状骨架上的纤维网伞面；所述操作杆包括外套管和穿设在外套管中的内芯杆，所述内芯杆的两端穿出外套管的两端；所述伞状骨架包括若干根伞骨和设置在每根伞骨与外套管之间的支撑连杆，所述伞骨的一端与内芯杆的一端铰接，所述伞骨的另一端为自由端；所述支撑连杆的一端与伞骨的中部铰接，所述支撑连杆的另一端与外套管的外壁铰接。In order to achieve the above purpose, the catheter distal thrombus catcher designed by the utility model includes an operating rod, an umbrella-shaped skeleton arranged at one end of the operating rod that can be expanded or closed, and a fiber mesh umbrella surface covered on the umbrella-shaped skeleton; The operating rod includes an outer sleeve and an inner core rod pierced in the outer sleeve, and the two ends of the inner core rod pass through the two ends of the outer sleeve; the umbrella-shaped skeleton includes several ribs and is arranged on each rib One end of the umbrella rib is hinged with one end of the inner core rod, and the other end of the umbrella rib is a free end; one end of the support link is hinged with the middle part of the umbrella rib, so The other end of the support connecting rod is hinged with the outer wall of the outer casing.
进一步地，所述外套管为由塑料或者橡胶制备而成的长筒状构件。Further, the outer sleeve is a long cylindrical member made of plastic or rubber.
进一步地，所述内芯杆、伞骨和支撑连杆均为由金属材料制成的金属构件。Further, the inner core rod, the umbrella rib and the supporting link are all metal components made of metal materials.
进一步地，所述纤维网伞面为由橡胶、塑料、棉丝或者蚕丝制备而成的网状构件。Further, the fiber mesh canopy is a mesh member made of rubber, plastic, cotton or silk.
与现有技术相比，本实用新型的优点在于：Compared with the prior art, the utility model has the advantages of:
其一，本实用新型采用伞状骨架与纤维网伞面相结合，通过操纵操作杆来展开或者闭合纤维网伞面实现对血管内导管末梢血栓的捕获，使用中不使用全身抗凝药物，减少药物带来的副作用，通过物理的方法捕获导管末梢血栓，十分安全、有效。First, the utility model adopts the combination of the umbrella-shaped skeleton and the fiber mesh umbrella surface, and the fiber mesh umbrella surface is expanded or closed by manipulating the operating rod to realize the capture of the thrombus at the end of the catheter in the blood vessel, and the systemic anticoagulant drugs are not used during use, reducing the amount of drugs As a side effect, it is very safe and effective to capture the thrombus at the end of the catheter through physical methods.
其二，本实用新型的导管末梢血栓捕获器的结构简单，而且操作方便、实用性强。Second, the catheter distal thrombus catcher of the present invention has simple structure, convenient operation and strong practicability.
附图说明Description of drawings
图1为一种导管末梢血栓捕获器在展开状态时的结构示意图；Fig. 1 is a schematic structural view of a catheter distal thrombus catcher in a deployed state;
图2为图1所示导管末梢血栓捕获器穿过导管的结构示意图；Fig. 2 is a schematic diagram of the structure of the thrombus catcher at the end of the catheter shown in Fig. 1 passing through the catheter;
图3为图1所示导管末梢血栓捕获器在展开状态时捕获导管末梢血栓的结构示意图；Fig. 3 is a schematic diagram of the structure of the catheter distal thrombus capture device shown in Fig. 1 when it is deployed;
图4为图1所示导管末梢血栓捕获器在闭合状态时包裹住导管末梢血栓的结构示意图；Fig. 4 is a schematic structural view of the catheter distal thrombus capture device shown in Fig. 1 wrapping the catheter distal thrombus in a closed state;
图中，操作杆1、外套管1.1、内芯杆1.2、伞状骨架2、伞骨2.1、支撑连杆2.2、纤维网伞面3、导管4、导管末梢血栓5。In the figure, an operating rod 1, an outer sleeve 1.1, an inner core rod 1.2, an umbrella skeleton 2, an umbrella rib 2.1, a support link 2.2, a fiber mesh umbrella surface 3, a catheter 4, and a catheter distal thrombus 5.
具体实施方式Detailed ways
以下结合附图和具体实施例对本实用新型作进一步的详细描述：Below in conjunction with accompanying drawing and specific embodiment the utility model is described in further detail:
图1所示的一种导管末梢血栓捕获器，包括操作杆1、设置在操作杆1一端可展开或者闭合的伞状骨架2、以及覆盖在伞状骨架2上的纤维网伞面3，纤维网伞面3为由橡胶、塑料、棉丝或者蚕丝制备而成的网状构件。操作杆1包括外套管1.1和穿设在外套管1.1内的内芯杆1.2，内芯杆1.2的两端穿出外套管1.1的两端，外套管1.1为由塑料或者橡胶制备而成的长筒状构件，内芯杆1.2为由金属材料制成的金属构件；伞状骨架2包括若干根伞骨2.1和设置在每根伞骨2.1与外套管1.1之间的支撑连杆2.2，伞骨2.1和支撑连杆2.2均为由金属材料制成的金属构件，每根伞骨2.1的一端与内芯杆1.2的一端铰接，伞骨2.1的另一端为自由端；支撑连杆2.2的一端与伞骨2.1的中部铰接，支撑连杆2.2的另一端与外套管1.1的外壁铰接。这样，采用伞状骨架2与纤维网伞面3相结合，通过操纵操作杆1来展开或者闭合纤维网伞面3实现对血管内导管末梢血栓的捕获，使用中不使用全身抗凝药物，减少药物带来的副作用，通过物理的方法捕获导管末梢血栓，十分安全、有效。A catheter distal thrombus capture device shown in Figure 1 includes an operating rod 1, an umbrella-shaped skeleton 2 arranged at one end of the operating rod 1 that can be expanded or closed, and a fiber mesh umbrella surface 3 covered on the umbrella-shaped skeleton 2. The net umbrella surface 3 is a mesh member made of rubber, plastic, cotton silk or silk. The operating rod 1 includes an outer sleeve 1.1 and an inner core rod 1.2 which is installed in the outer sleeve 1.1. The two ends of the inner core rod 1.2 pass through the two ends of the outer sleeve 1.1. The outer sleeve 1.1 is a long tube made of plastic or rubber. The cylindrical member, the inner core rod 1.2 is a metal member made of metal material; the umbrella skeleton 2 includes several umbrella ribs 2.1 and the support link 2.2 arranged between each umbrella rib 2.1 and the outer casing 1.1, the umbrella ribs 2.1 and supporting link 2.2 are metal components made of metal materials, one end of each umbrella rib 2.1 is hinged to one end of inner core rod 1.2, and the other end of umbrella rib 2.1 is a free end; one end of supporting link 2.2 is connected to The middle part of the rib 2.1 is hinged, and the other end of the supporting link 2.2 is hinged with the outer wall of the outer casing 1.1. In this way, the umbrella-shaped skeleton 2 is combined with the fiber mesh umbrella surface 3, and the fiber mesh umbrella surface 3 is expanded or closed by manipulating the operating rod 1 to realize the capture of the thrombus at the end of the catheter in the blood vessel. Systemic anticoagulant drugs are not used during use, reducing The side effects caused by the drug, through the physical method to capture the thrombus at the end of the catheter, is very safe and effective.
本实用新型的使用过程：以某患者右侧锁骨下静脉植入导管一周后拟拔管时，超声显示导管4的末梢有约2cm长的导管末梢血栓5为例：使用时，患者平静卧床，在超声监视下，将闭合状态的导管末梢血栓捕获器穿过导管4，使伞状骨架2整体越过导管末梢血栓5的部位(如图2所示)，位置确定后用手固定住外套管1.1向体外方向拉内芯杆1.2打开纤维网伞面3，再向导管4方向回拉，使导管末梢血栓5完全置于纤维网伞面3内(如图3所示)，然后用手固定住外套管1.1向体内方向推内芯杆1.2闭合纤维网伞面3，使得纤维网伞面3完全包裹住导管末梢血栓5(如图4所示)，实现对血栓的收集，随后将收集有血栓的闭合的捕获器通过导管内腔带出体外。The use process of the present utility model: when a certain patient's right subclavian vein is implanted with a catheter for one week and plans to extubate, ultrasound shows that the distal end of the catheter 4 has about 2 cm long catheter distal thrombus 5 as an example: during use, the patient lies in bed calmly, Under ultrasonic monitoring, pass the catheter end thrombus catcher in the closed state through the catheter 4, so that the umbrella-shaped skeleton 2 passes over the catheter end thrombus 5 as a whole (as shown in Figure 2), and fix the overtube 1.1 by hand after the position is determined Pull the inner core rod 1.2 toward the outside of the body to open the fiber mesh umbrella surface 3, and then pull it back in the direction of the catheter 4, so that the distal thrombus 5 of the catheter is completely placed in the fiber mesh umbrella surface 3 (as shown in Figure 3), and then fix it by hand The outer sleeve 1.1 pushes the inner core rod 1.2 toward the body to close the fiber mesh umbrella surface 3, so that the fiber mesh umbrella surface 3 completely wraps the distal thrombus 5 of the catheter (as shown in Figure 4), and realizes the collection of the thrombus, and then the collected thrombus The closed catcher is carried out of the body through the lumen of the catheter.
以上仅为本实用新型的具体实施方式，应当指出，任何熟悉本领域的技术人员在本实用新型所揭示的技术范围内，可轻易想到的变化或替换，都应涵盖在本实用新型的保护范围之内。The above are only specific embodiments of the present utility model, and it should be pointed out that any changes or replacements that can be easily thought of by anyone skilled in the art within the technical scope disclosed by the present utility model should be covered by the protection scope of the present utility model within.
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720395187.9UCN207613825U (en) | 2017-04-14 | 2017-04-14 | Catheter end thrombus catcher |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720395187.9UCN207613825U (en) | 2017-04-14 | 2017-04-14 | Catheter end thrombus catcher |
| Publication Number | Publication Date |
|---|---|
| CN207613825Utrue CN207613825U (en) | 2018-07-17 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720395187.9UActiveCN207613825U (en) | 2017-04-14 | 2017-04-14 | Catheter end thrombus catcher |
| Country | Link |
|---|---|
| CN (1) | CN207613825U (en) |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109758210A (en)* | 2019-03-07 | 2019-05-17 | 王奎梅 | The thrombus remover of beveled structure |
| CN111419339A (en)* | 2020-04-20 | 2020-07-17 | 上海心玮医疗科技有限公司 | Double-umbrella type adjustable bolt taking device |
| CN114672910A (en)* | 2022-03-31 | 2022-06-28 | 浙江理工大学 | An intelligent auxiliary device for fast docking of yarn breakage in warping machine |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109758210A (en)* | 2019-03-07 | 2019-05-17 | 王奎梅 | The thrombus remover of beveled structure |
| CN111419339A (en)* | 2020-04-20 | 2020-07-17 | 上海心玮医疗科技有限公司 | Double-umbrella type adjustable bolt taking device |
| CN114672910A (en)* | 2022-03-31 | 2022-06-28 | 浙江理工大学 | An intelligent auxiliary device for fast docking of yarn breakage in warping machine |
| CN114672910B (en)* | 2022-03-31 | 2023-01-06 | 浙江理工大学 | An intelligent auxiliary device for fast docking of warping machine yarn breakage |
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