CN218960850U - Suction-matched bolt taking support and bolt taking system with same - Google Patents

Abstract

The utility model discloses a suction-matched thrombus taking support and a thrombus taking system with the same. The thrombus taking bracket matched with suction can capture fallen thrombus and avoid re-embolism in blood vessel.

Description

Suction-matched bolt taking support and bolt taking system with same

Technical Field

The utility model relates to the technical field of vascular interventional medical treatment, in particular to a thrombus taking support matched with suction and a thrombus taking system.

Background

The matched suction thrombus taking support is a medical instrument for grabbing thrombus in a blood vessel, and the operation process is that the self-expanding matched suction thrombus taking support is pre-installed in an outer sheath tube, when the medical instrument is used, the distal end head end of the outer sheath tube is in butt joint with the proximal end of a microcatheter, the matched suction thrombus taking support is pushed into the microcatheter through a certain acting force, then the matched suction thrombus taking support is conveyed to a embolism position, the support is released, the thrombus is caught through the radial force of self-expanding expansion, and then the thrombus is recovered through the catheter, so that the thrombus is taken out of the body. However, in the process of thrombus extraction, thrombus displacement and fragmentation are easy to occur, so that adjacent branches of the occluded blood vessel or secondary branch blood vessel embolism, namely new part embolism caused by thrombus escape is caused.

Disclosure of Invention

The present utility model has been made based on the findings and knowledge of the inventors regarding the following facts and problems:

in the related art, an integrated suction-matched thrombus-taking support is disclosed, a protector is provided at the proximal end and the distal end of a thrombus-taking device, so that thrombus clots falling off from the suction-matched thrombus-taking support are prevented from entering a distal branch vessel to cause re-embolism in the vessel. However, the suction-compatible thrombi-taking stent of this related art needs to be embedded in the thrombus, and thus rupture of the thrombus is still liable to occur during the dragging of the thrombus.

The present utility model aims to solve at least one of the technical problems in the related art to some extent. Therefore, the embodiment of the utility model provides a thrombus taking support matched with suction, which can capture fallen thrombus and avoid the re-embolism in a blood vessel.

The embodiment of the utility model also provides a thrombus taking system.

According to an embodiment of the utility model, a suction-compatible thrombolytic stent comprises: a first tube body; the traction wire is arranged in the first pipe body in a penetrating way; the protecting component is sleeved on the traction wire, one end of the protecting component is connected with the first pipe body, the other end of the protecting component is connected with the traction wire, and the protecting component can be stretched or contracted in the length direction of the first pipe body so as to capture thrombus; and the thrombus taking component is connected with the first pipe body, and is arranged at intervals along the length direction of the first pipe body with the protecting component, and is used for taking thrombus.

According to the embolus stent matched with suction, which is disclosed by the embodiment of the utility model, the re-embolism caused by blocking of blood vessels by the escaped thrombus in the thrombus process is avoided.

In some embodiments, the suction-matched thrombus-taking support further comprises a second tube body, the second tube body is arranged at intervals with the first tube body, the second tube body is far away from or near the first tube body in the length direction of the first tube body, the second tube body is sleeved on the traction wire, and one end of the protection component far away from the first tube body is connected with the second tube body.

In some embodiments, the protection component includes a first connection portion, a second connection portion, and a body portion disposed between the first connection portion and the second connection portion, and the first connection portion is connected to the first tube, and the second connection portion is connected to the second tube.

In some embodiments, the body portion is a mesh structure.

In some embodiments, the body portion is a mesh structure made of at least one of a plurality of wires, a polymer fiber, a hydrogel fiber material, and a developing wire.

In some embodiments, the thrombus-removing member is a brush provided at an outer periphery of the first tube.

In some embodiments, the thrombus removing member is a spring, one end of the spring is connected to the first connecting portion, and the other end of the spring is connected to the first tube.

In some embodiments, the spring is a variable diameter spring.

In some embodiments, the suction-fitting thrombolytic stent further comprises a first developing ring provided on the second tube, and the first developing ring is provided at a junction of the protective member and the second tube.

An embolectomy system according to an embodiment of the present utility model includes: a matched-suction thrombolytic stent, which is the matched-suction thrombolytic stent according to any one of the above embodiments; and the suction catheter is sleeved on the thrombus taking support matched with suction, one end of the suction catheter stretches into the blood vessel, the other end of the suction catheter is suitable for being connected with the suction component, and the second developing ring is arranged on the suction catheter so as to observe the position of the suction catheter in the blood vessel.

According to the thrombus taking system provided by the embodiment of the utility model, the dragging distance of thrombus in the thrombus taking process can be shortened, the thrombus taking efficiency is improved, and the risk of thrombus rupture in the thrombus taking process can be reduced.

The suction-matched thrombolytic stent provided by the embodiment of the utility model has at least the following beneficial effects:

1. through setting up the protection component, can catch the thrombus that drops, avoid causing endovascular re-embolism, the protection component can extend or shrink so that open or shrink the protection component in the blood vessel in left and right directions under the drive of traction wire, can pass in the microcatheter of 0.017 inch.

2. The opening size of the protecting component can be adjusted according to the diameter of the blood vessel, so that the protecting component is prevented from damaging the blood vessel, the safety in the thrombus taking process is improved, the protecting component can keep the normal flow of blood while filtering thrombus, and the state of blood vessel ischemia is effectively relieved.

3. Through setting up the brush that can develop, can judge the circumstances of the removal of thrombus at the in-process of taking the thrombus to obtain thrombus real-time information, improve the security and the effectiveness of taking the thrombus.

Drawings

Fig. 1 is a schematic structural view of a suction-compatible thrombolytic stent according to an embodiment of the present utility model.

Fig. 2 is a schematic view of the suction-compatible thrombolytic stent of fig. 1 after deployment of the protective member.

Fig. 3 is a schematic structural view of a suction-compatible thrombolytic stent according to a further embodiment of the present utility model.

Fig. 4 is a schematic structural view of a suction-compatible thrombolytic stent according to still another embodiment of the present utility model.

Fig. 5 is a schematic illustration of the operation of a suction-compatible thrombolytic stent according to an embodiment of the utility model in which a microcatheter is passed through a thrombus.

Fig. 6 is a schematic illustration of the operation of a suction-compatible thrombolytic stent according to an embodiment of the present utility model in which the microcatheter is withdrawn and the microcatheter passed through the thrombus.

Fig. 7 is a schematic illustration of the operation of a suction-compatible thrombolytic stent according to an embodiment of the present utility model in which a microcatheter is withdrawn and the suction-compatible thrombolytic stent captures thrombus.

Fig. 8 is a schematic illustration of the operation of a suction-compatible thrombolytic stent according to an embodiment of the present utility model in which thrombus has been aspirated.

Reference numerals:

the first tube 101, the second tube 102,

the wire 2 is pulled in such a way that,

the protection member 3, the first connection portion 301, the second connection portion 302, the main body portion 303,

the bolt taking part 4, the brush 41, the spring 42,

a locking valve 5, a first imaging ring 6, a second imaging ring 7, a micro-guide wire 8, a micro-catheter 9 and an aspiration catheter 10.

Detailed Description

Reference will now be made in detail to embodiments of the present utility model, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

The suction-compatible thrombolytic stent according to an embodiment of the present utility model comprises a first tube 101, a traction wire 2, a protection member 3 and a thrombolytic member 4.

The pulling wire 2 is provided in the first tube 101.

The material of the traction wire 2 is a metal material.

The protection component 3 is sleeved on the traction wire 2, one end of the protection component 3 is connected with the first pipe body 101, and the other end of the protection component 3 is connected with the traction wire 2. The protecting member 3 may be extendable or retractable in the length direction of the first tube 101 so as to capture thrombus.

The protection member 3 is a self-expansion pipe network structure.

Specifically, as shown in fig. 1, the right end of the protection member 3 is connected to the left end of the first pipe body 101, and the left end of the protection member 3 is connected to the traction wire 2. Here, the protection member 3 may be connected to the first pipe body 101 by welding or bonding, and the protection member 3 may be connected to the traction wire 2 by welding or bonding.

The thrombus taking-out part 4 is used for catching thrombus, the thrombus taking-out part 4 is connected with the first tube body 101, and the thrombus taking-out part 4 and the protecting part 3 are arranged at intervals in the length direction of the first tube body.

Specifically, as shown in fig. 1, the thrombectomy member 4 and the protection member 3 are arranged at intervals in the left-right direction, and the thrombectomy member 4 is connected to the first tube body 101. The right end of the first tube 101 is an end close to the operator, and the left end of the first tube 101 is an end far from the operator.

According to the thrombus taking support matched with suction, the protection component 3 is arranged, so that the fallen thrombus can be captured, the re-embolism in a blood vessel is avoided, and the protection component 3 can be stretched or contracted in the left-right direction under the driving of the traction wire 2 so as to be stretched or contracted in the blood vessel.

In some embodiments, the aspiration-compatible thrombolytic stent further comprises a second tube 102, the first tube 101 and the second tube 102 being spaced apart, the second tube 102 being either distal or proximal to the first tube 101.

The first tube 101 and the second tube 102 are both cylindrical, the diameters of the first tube 101 and the second tube 102 are the same, the inner diameters of the first tube 101 and the second tube 102 are the same, and the diameters of the first tube 101 and the second tube 102 are required to ensure that the micro-catheter 9 can pass through. The length of the first tube 101 is smaller than the length of the second tube 102. Specifically, the diameters of the first tube body 101 and the second tube body 102 can pass through the microcatheter 9 with the diameter of 0.017 inch, so that the thrombus taking support can pass through the microcatheter with the diameter of 0.017 inch, the length of the first tube body 101 is larger than 1600mm, and the length of the second tube body 102 is smaller than 200mm.

Specifically, as shown in fig. 3, the second pipe 102 is movable in the left-right direction to bring the second pipe 102 closer to or farther from the first pipe 101.

As shown in fig. 3, the traction wire 2 is coaxially arranged with the first tube body 101 and the second tube body 102, and the left end of the traction wire 2 is connected with the second tube body 102, so that the external dimension of the matched-suction thrombus-taking support can be reduced, and the trafficability of the matched-suction thrombus-taking support in the microcatheter 9 can be improved. In some embodiments, the protection component 3 includes a first connection portion 301, a second connection portion 302, and a main body portion 303, the main body portion 303 is disposed between the first connection portion 301 and the second connection portion 302, and the first connection portion 301 is connected to the first pipe body 101, and the second connection portion 302 is connected to the second pipe body 102.

Specifically, as shown in fig. 3, the left end of the first connection portion 301 is connected to the right end of the first tube body 101, the left end of the main body portion 303 is connected to the right end of the first connection portion 301, and the right end of the main body portion 303 is connected to the left end of the second connection portion 302.

The first connection portion 301, the second connection portion 302, and the main body portion 303 are integrally formed.

According to the suction-matched thrombus taking support, the protection component 3 can be more stably connected with the first tube body 101 and the second tube body 102 by arranging the first connecting part 301 and the second connecting part 302, and thrombus can be captured by the main body part 303.

In some embodiments, the body portion 303 is a mesh structure.

It should be noted that the main body 303 may capture fragments smaller than 40 μm while maintaining blood circulation.

Specifically, as shown in fig. 1 and 2, when the main body 303 is not expanded, the outer contour of the longitudinal section of the main body 303 is substantially rectangular, and when the main body 303 is expanded, the outer contour of the longitudinal section of the main body 303 is substantially elliptical, and compression may be continued to be changed into a cake shape. And as the distance between the first tube body 101 and the second tube body 102 gradually decreases, the dimension of the oval shape formed by the outer contour of the longitudinal section of the main body 303 in the left-right direction gradually decreases and the dimension in the up-down direction gradually increases, and when the distance between the first tube body 101 and the second tube body 102 gradually increases, the dimension of the oval shape formed by the outer contour of the longitudinal section of the main body 303 in the left-right direction gradually increases and the dimension in the up-down direction gradually decreases, and when the distance between the first tube body 101 and the second tube body 102 returns to the original position, the outer contour of the longitudinal section of the main body 303 returns to the rectangular shape.

According to the thrombus taking support matched with suction, the opening size of the protecting component 3 can be adjusted according to the diameter of a blood vessel, so that the protecting component 3 is prevented from damaging the blood vessel, the safety in a thrombus taking process is improved, the protecting component 3 can keep normal flow of blood while filtering thrombus, and the state of blood vessel ischemia is effectively relieved.

In some embodiments, the mesh openings of the mesh cells of body portion 303 gradually increase from left to right so that dislodged thrombus may be captured.

In some embodiments, the body portion 303 is a mesh structure made by braiding at least one of a plurality of wires, polymer fibers, hydrogel fibers with developing filaments.

It should be noted that, the main body 303 is woven by a plurality of nickel-titanium alloy wires or polymer hydrogel fibers, and it is understood that the main body 303 may be woven by hundreds of nickel-titanium alloy wires or polymer fibers smaller than 100 micrometers, hydrogel fibers, and at least three platinum iridium alloy or platinum tungsten alloy developing wires.

The hydrogel fiber is used to avoid damaging the vascular intima, and it should be noted that the plurality of developing filaments may be arranged at intervals in the circumferential direction of the first tube 101, so that the form of the main body 303 may be displayed during the thrombus taking process, and the operator may conveniently determine the expansion degree of the protecting member 3.

In some embodiments, the thrombus removing member 4 is a brush 41, and the brush 41 is provided on the outer periphery of the second tube 102.

The brush 41 is made up of a plurality of soft and fine developable fibers which are wound around the outer periphery of the second tube 1. The brush 41 and the second pipe body 1 may be coupled by bonding or welding, etc.

The developable fibers may be nylon with BaSO ₄ The developer is modified and processed, and the inner core can be nickel titanium wires made of developing materials such as tantalum, platinum and the like.

According to the thrombus taking support matched with suction, through the arrangement of the developable hairbrush 41, the movement condition of thrombus can be judged in the thrombus taking process, so that thrombus real-time information is obtained, and the safety and effectiveness of thrombus taking are improved.

In some embodiments, the latch member 4 is a spring 42, one end of the spring 42 is connected to the first connecting portion 301, and the other end of the spring 42 is connected to the first tube 101.

The material of the spring 42 is metal, and specifically, the material of the spring 42 is stainless steel or nitinol.

Specifically, as shown in fig. 3, the left end of the spring 42 is connected to the first connection portion 301, and the right end of the spring 42 is connected to the left end of the first pipe body 101.

In some embodiments, the spring 42 is a reducing spring 42.

Specifically, as shown in fig. 3, the spring 42 is a variable-pitch variable-diameter spring 42, that is, the pitch of the spring 42 varies with the diameter, the diameter increases, the pitch increases, the diameter decreases, and the pitch decreases.

The longitudinal section of the spring 42 is wavy and curved, and the spring 42 has at least 3-5 wave peak sections, that is, 3-5 parts with larger diameters, two adjacent wave peaks are connected through a wave trough section, and the diameter of the wave trough section is smaller than that of the wave peak section.

It should be noted that, the crest section and the trough section are integrally formed, so that the overall strength of the spring 42 is improved, and the spring 42 is prevented from breaking in the process of removing the thrombus.

According to the thrombus taking support matched with suction, the spring 42 is set as the variable-pitch variable-diameter spring 42, the spring 42 is provided with a plurality of peak sections and trough sections, the screw spacing of the peak sections is larger, so that thrombus is more embedded into the spring, the contact area of the spring and the thrombus is increased, the thrombus is easy to take out, the thrombus is kept relatively complete, thrombus fragments are prevented from entering a far end or a normal blood vessel, and the thrombus taking stability can be rapidly achieved and enhanced; can prevent the stent from damaging thrombus when being unfolded and released, thereby being applied to blood vessels with thinner distal tube diameters.

In some embodiments, the aspiration-compatible thrombolytic stent further comprises a locking valve 5, the locking valve 5 being connected to the first tube 101, the locking valve 5 being used to fix the position of the pull wire 2 within the first tube 101.

Specifically, as shown in fig. 1, the locking valve 5 is disposed at the right end of the first pipe body 101, and it should be noted that the locking valve 5 is an existing device, so the specific structure of the locking valve 5 is not repeated herein. The locking valve 5 is used for fixing the position of the pulling wire 2 in the first pipe body 101, in other words, when the locking valve 5 is opened, the pulling wire 2 can move in the first pipe body 101, and when the locking valve 5 is closed, the pulling wire 2 cannot move in the first pipe body 101.

According to the suction-matched thrombus taking support, the form of the protection part 3 and the thrombus taking part 4 can be kept by arranging the locking valve 5, so that the safety and stability in a thrombus taking process are ensured.

In some embodiments, the suction-compatible thrombolytic stent further comprises a first imaging ring 6, the first imaging ring 6 is disposed on the second tube 102, and the first imaging ring 6 is disposed at the connection between the protective member 3 and the second tube 102.

Specifically, as shown in fig. 1, the first developing ring 6 is disposed at the connection portion between the first connection portion 301 and the second tube 102, and the material of the first developing ring 6 may be platinum iridium, platinum tungsten or tantalum.

According to the suction-matched thrombus taking support provided by the embodiment of the utility model, the position of the second tube body 102 can be judged by arranging the first imaging ring 6, so that the second tube body 102 and the protection component 3 penetrate through thrombus in a thrombus taking process, and the first imaging ring 6 is arranged at the joint of the second tube body 102 and the protection component 3 and can further strengthen the connection of the second tube body 102 and the protection component 3, so that the second connection part 301 and the second tube body 102 are prevented from being separated.

The operation of the suction-compatible thrombolytic stent according to an embodiment of the present utility model is described below with reference to fig. 1 to 8.

The microcatheter 8 is threaded into a blood vessel, the microcatheter 8 is threaded through a thrombus, the microcatheter 9 is threaded into the blood vessel along the extending direction of the microcatheter 8, the microcatheter 8 is removed after the microcatheter 9 is threaded through the thrombus, the interior of the microcatheter 9 is hollow at the moment, and then the aspiration-matched thrombus-taking stent is threaded into the microcatheter 9 along the extending direction of the microcatheter 9, and the locking valve 5 is in a closed state in the process of pushing the aspiration-matched thrombus-taking stent into the microcatheter 9.

Observing the position of the first imaging ring 6 through the contrast device, when the protecting component 3 passes through thrombus and the thrombus taking component 4 is positioned in the thrombus, removing the microcatheter 9, at the moment, the thrombus taking component 4 is embedded into the thrombus without the constraint of the microcatheter 9, so that the thrombus is grabbed, then the locking valve 5 is loosened, the traction wire 2 is pulled, the second tube 102 moves towards the first tube 101 and drives the protecting component 3 to expand, the expansion degree of the protecting component 3 can be observed through the contrast device, the locking is carried out again after the expansion degree is determined, and then the thrombus is taken out of the blood vessel by pulling the first tube 101.

After the brush 41 is embedded with the thrombus, a part of the brush embedded with the thrombus is lodged, and the brush not embedded with the thrombus is not lodged, when the thrombus is dragged, if the thrombus moves, the position of the thrombus can be judged by judging the lodging condition of the brush, so that an operator can more intuitively observe the position and the state of the thrombus, and the effectiveness of thrombus taking is improved.

A thrombolysis system according to an embodiment of the present utility model includes a thrombolysis stent, a suction catheter and a second developing ring in cooperation with suction.

The suction-compatible thrombolytic stent is the suction-compatible thrombolytic stent of any of the above embodiments.

The suction catheter 10 is sleeved on the thrombus-taking bracket matched with suction, one end of the suction catheter 10 extends into a blood vessel, and the other end of the suction catheter 10 is suitable for being connected with a suction part.

A second imaging ring 7 is provided on the suction catheter 10 in order to visualize the position of the suction catheter 10 within said blood vessel.

Specifically, as shown in fig. 7, the second imaging ring 7 is provided at an end of the aspiration catheter 10 extending into the blood vessel.

According to the thrombus taking system provided by the embodiment of the utility model, thrombus can be stably taken by arranging the thrombus taking support matched with suction, the thrombus is dragged to the suction catheter 10 by the thrombus taking support matched with suction, and the thrombus is sucked out of a blood vessel by the suction catheter 10, so that the thrombus is dragged out of the blood vessel without using the thrombus taking support matched with suction, the dragging distance of the thrombus in the blood vessel is shortened, the thrombus rupture in the thrombus taking process is avoided, and the re-embolism in the blood vessel is avoided.

The operation of the thrombolytic system according to an embodiment of the present utility model is described below with reference to fig. 1 to 8.

The aspiration catheter 10 is inserted into a blood vessel, the micro-guide wire 8 is inserted into the aspiration catheter 10 and the micro-guide wire 8 is inserted into the blood vessel, then the micro-guide wire 9 is inserted into the blood vessel along the extending direction of the micro-guide wire 8 after the micro-guide wire 8 is inserted into the blood vessel, the micro-guide wire 8 is removed after the micro-guide wire 9 is inserted into the blood vessel, at this time, the interior of the micro-guide wire 9 is hollow, and then the aspiration-matched thrombus-taking stent is inserted into the micro-guide wire 9 along the extending direction of the micro-guide wire 9, and the locking valve 5 is closed during the pushing of the aspiration-matched thrombus-taking stent into the micro-guide wire 9. Observing the position of the first imaging ring 6 through the contrast device, when the protecting component 3 passes through thrombus and the thrombus taking component 4 is positioned in the thrombus, withdrawing the microcatheter 9, at the moment, embedding the thrombus taking component 4 into the thrombus without the restraint of the microcatheter 9, enabling the brush 41 or the spring 42 to be embedded into the thrombus, then loosening the locking valve 5, pulling the traction wire 2, enabling the second tube 102 to move towards the first tube 101 and drive the protecting component 3 to expand, observing the expansion degree of the protecting component 3 through the contrast device, and then pulling the first tube 101, dragging the thrombus to one end of the aspiration catheter 10 extending into the blood vessel, and simultaneously starting aspiration to aspirate the thrombus.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

For purposes of this disclosure, the terms "one embodiment," "some embodiments," "example," "a particular example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims (10)

1. A suction-compatible thrombolytic stent comprising:

a first tube body;

the traction wire is arranged in the first pipe body in a penetrating way;

the protecting component is sleeved on the traction wire, one end of the protecting component is connected with the first pipe body, the other end of the protecting component is connected with the traction wire, and the protecting component can be stretched or contracted in the length direction of the first pipe body so as to capture thrombus;

and the thrombus taking component is connected with the first pipe body, and is arranged at intervals along the length direction of the first pipe body with the protecting component, and is used for taking thrombus.

2. The aspiration-matched thrombus removal support according to claim 1, further comprising a second tube body, wherein the second tube body is arranged at intervals with the first tube body, the second tube body can be far away from or close to the first tube body in the length direction of the first tube body, the second tube body is sleeved on the traction wire, and one end of the protection component far away from the first tube body is connected with the second tube body.

3. The aspiration-compatible thrombolytic stent of claim 2, wherein said protective member comprises a first connecting portion, a second connecting portion and a main body portion, said main body portion being disposed between said first connecting portion and said second connecting portion, and said first connecting portion being connected to said first tube and said second connecting portion being connected to said second tube.

4. A suction-compatible thrombolytic stent according to claim 3 wherein said main body portion is a mesh structure.

5. The aspiration-compatible thrombolytic stent according to claim 3, wherein said main body portion is a mesh structure formed by braiding at least one of a plurality of wires, polymer fibers, hydrogel fiber materials and developing filaments.

6. A suction-compatible thrombectomy bracket according to claim 3, wherein said thrombectomy member is a brush disposed on an outer periphery of said first tube body.

7. A suction-fitting thrombectomy bracket according to claim 3, wherein the thrombectomy member is a spring, one end of the spring is connected to the first connecting portion, and the other end of the spring is connected to the first tube.

8. The suction-compatible thrombolytic stent of claim 7 wherein said spring is a reducing spring.

9. The suction-fitting thrombectomy bracket of claim 8, further comprising a first developing ring disposed on the second tube, and the first developing ring is disposed at a junction of the protective member and the second tube.

10. A thrombolytic system comprising:

a co-suction thrombolytic stent, the co-suction thrombolytic stent being a co-suction thrombolytic stent according to any of claims 1-9;

a suction catheter, which is sleeved on the thrombus taking support matched with suction, one end of the suction catheter stretches into a blood vessel, and the other end of the suction catheter is suitable for being connected with a suction part;

a second visualization ring disposed on the aspiration catheter for viewing the position of the aspiration catheter within the blood vessel.

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