CN210871883U

CN210871883U - Improved TREVO intracranial arterial thrombus and thrombus extraction integrated device

Info

Publication number: CN210871883U
Application number: CN201921389984.1U
Authority: CN
Inventors: 王草叶; 王祁; 何忠明; 彭亚; 刘圣
Original assignee: First Peoples Hospital of Changzhou
Current assignee: First Peoples Hospital of Changzhou
Priority date: 2019-08-26
Filing date: 2019-08-26
Publication date: 2020-06-30
Anticipated expiration: 2029-08-26

Abstract

The utility model relates to a get and tie technical field, specifically speaking relates to an improve TREVO intracranial artery thrombus and get and tie integrated device, including the tail end sacculus and cup joint the support of getting to tie in the tail end sacculus, the head of getting to tie the support is provided with the head fender-umbrella, and the head fender-umbrella includes sleeve pipe, memory umbrella stand and canopy, and the memory umbrella stand includes seal wire, spacing post and a plurality of skeleton, and the trailing end connection who gets to tie the support has controlling means, and sliding connection has the slide button on the controlling means, and the other end of seal wire is embedded into in the slide button. This intracranial arterial thrombus of improvement TREVO gets and ties integrated device for, through the head protection umbrella that sets up for when getting a thrombus support head and reacing the outer safe position of thrombus front end, stir controlling means and can release the memory umbrella stand from the cover intraductal and take the umbrella cover to form the umbrella-shaped structure of inversion, make get a thrombus support when withdrawing can not harm the blood vessel the protection can not drop to distal end blood vessel by the thrombus under the cutting, the operation is safer.

Description

Improved TREVO intracranial arterial thrombus and thrombus extraction integrated device

Technical Field

The utility model relates to a get and tie technical field, specifically speaking relates to an improve TREVO intracranial artery thrombus and get and tie integrated device.

Background

Trevo ProVue is the first complete visual mechanical thrombus taking device for stent samples, the whole process of arranging and thrombus taking is completely visual by adopting the stent sample thrombus taking (Stentriever) technology, and a doctor can see the arrangement and support state of the thrombus taking device, so that a new clinical standard is established in the aspects of thrombus taking precision and thrombus taking back. The biggest problem of the prior Trevo thrombus removal stent is that the front end of the prior Trevo thrombus removal stent is not provided with a protection device, thrombus falls off when the thrombus is withdrawn, and tiny thrombus runs the risk of escaping to a distant blood vessel, so that distant intracranial small blood vessel thromboembolism is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an improvement TREVO intracranial arterial thrombus thrombectomy integrated device to solve some or some defects that provide among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an improve TREVO intracranial artery thrombus and get and tie integrated device, includes the tail end sacculus and cup joints the support is tied to getting in the tail end sacculus, the head of getting to tie the support is provided with the head umbrella, the head umbrella includes inseparable welding and is in get the sleeve pipe of tying the support head, cup joint memory umbrella stand and the cladding in the sleeve pipe the canopy of memory umbrella stand periphery, the memory umbrella stand is including running through the seal wire of tail end sacculus, inseparable welding are in the spacing post and the inseparable welding of seal wire head are in a plurality of framves of spacing post head, the trailing end connection who gets to tie the support has controlling means, sliding connection has the draw runner on the controlling means, the other end of seal wire is embedded into in the draw runner.

Preferably, a catheter is integrally formed at the tail end of the tail balloon, and the guide wire extends out of the catheter so that the catheter can slide along the guide wire.

Preferably, the sleeve is internally provided with a storage cavity for storing the memory umbrella stand and the umbrella cover, the head end and the tail end of the sleeve are provided with through holes communicated with the storage cavity, and the inner diameter of each through hole is smaller than that of the storage cavity.

Preferably, the limiting column is located in the accommodating cavity, and the outer diameter of the limiting column is larger than the inner diameter of the through hole and smaller than the inner diameter of the accommodating cavity, so that the limiting column is limited in the sleeve.

Preferably, when the memory umbrella frame is retracted and stored in the sleeve together with the umbrella cover, the head of the memory umbrella frame extends out of the sleeve, and the head of the memory umbrella frame is prevented from abutting against the head end of the storage cavity when the memory umbrella frame is stored in the sleeve.

Preferably, the control device is provided with a sliding groove for installing the sliding button, the tail end of the bolt taking support is embedded into the control device, and the front end of the control device is provided with a through hole for the guide wire to pass through, so that the memory umbrella stand can be controlled to move through the guide wire by shifting the sliding button.

Compared with the prior art, the beneficial effects of the utility model are that:

this intracranial arterial thrombus of improvement TREVO gets and ties integrated device gets through setting up the head umbrella of protecting on getting the thrombus support for when getting the outer safe position of thrombus front end, stir controlling means and can release the memory umbrella stand from the cover intraductal and take the umbrella cover to form the umbrella-shaped structure of inversion, the thrombus of protection under being cut can not drop to distal end blood vessel when making getting the thrombus support and can not damaging blood vessel when withdrawing, and the operation is safer.

Drawings

FIG. 1 is a schematic view of the entire structure of embodiment 1;

FIG. 2 is a schematic structural view of a head protection umbrella in embodiment 1;

FIG. 3 is a schematic view of the structure of a socket in accordance with embodiment 1;

FIG. 4 is a schematic view showing the structure of the memory umbrella stand according to embodiment 1;

FIG. 5 is a schematic view showing the structure of the canopy in embodiment 1;

fig. 6 is a schematic structural diagram of a control device in embodiment 1.

In the figure: 1. a tail balloon; 11. a conduit; 2. a thrombus taking support; 3. a head protection umbrella; 31. a sleeve; 311. a receiving cavity; 312. a port; 32. a memory umbrella stand; 321. a guide wire; 322. a limiting column; 323. skeleton building; 33. an umbrella cover; 4. a control device; 41. a chute; 42. and a slide button.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to 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", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Further, "a number" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

Example 1

The embodiment provides an improved TREVO intracranial arterial thrombus embolectomy integrated device, as shown in fig. 1-6, including tail end sacculus 1 and embolectomy support 2 sleeved in tail end sacculus 1, the head of embolectomy support 2 is provided with head umbrella 3, head umbrella 3 includes the sleeve pipe 31 of close welding at embolectomy support 2 head, the memory umbrella stand 32 and the umbrella cover 33 of cladding in memory umbrella stand 32 periphery of sleeved in sleeve pipe 31, memory umbrella stand 32 includes the seal wire 321 that runs through tail end sacculus 1, the spacing post 322 of close welding at the seal wire 321 head and a plurality of skeleton 323 of close welding at spacing post 322 head, the end connection of embolectomy support 2 has controlling means 4, sliding connection has slide button 42 on controlling means 4, the other end of seal wire 321 is embedded into slide button 42.

In this embodiment, the catheter 11 is integrally formed at the tail end of the tail balloon 1, the guide wire 321 extends from the catheter 11, so that the catheter 11 can slide along the guide wire 321, when the catheter 11 drives the tail balloon 1 to slide along the guide wire 321 to the head end of the guide wire 321, the thrombus removal support 2 contracts into the catheter 11, and when the catheter 11 drives the tail balloon 1 to slide to the tail end of the guide wire 321, the thrombus removal support 2 extends from the catheter 11 and expands to form a mesh structure.

Specifically, a containing cavity 311 for containing the memory umbrella frame 32 and the umbrella cover 33 is formed in the sleeve 31, through holes 312 communicated with the containing cavity 311 are formed at the head end and the tail end of the sleeve 31, and the inner diameter of the through holes 312 is smaller than that of the containing cavity 311. The limiting column 322 is located in the containing cavity 311, and the outer diameter of the limiting column 322 is larger than the inner diameter of the through hole 312 and smaller than the inner diameter of the containing cavity 311, so that the limiting column 322 is limited in the sleeve 31, and the memory umbrella frame 32 is prevented from excessively retracting into or extending out of the sleeve 31.

Further, when the memory umbrella frame 32 is retracted together with the umbrella cover 33 and stored in the sleeve 31, the head of the memory umbrella frame 32 protrudes from the sleeve 31, and the head of the memory umbrella frame 32 is prevented from abutting against the head of the storage cavity 311 when the memory umbrella frame 32 is stored in the sleeve 31.

In addition, the control device 4 is provided with a chute 41 for installing a slide button 42, the tail end of the thrombus taking support 2 is embedded into the control device 4, the front end of the control device 4 is provided with a through hole for a guide wire 321 to pass through, so that the memory umbrella frame 32 can be controlled to move by toggling the slide button 42 through the guide wire 321, when the slide button 42 is toggled forwards, the slide button 42 pushes the memory umbrella frame 32 through the guide wire 321 to enable the memory umbrella frame 32 to slide out of the sleeve 31, at the moment, the memory umbrella frame 32 with the umbrella cover 33 expands to be an inverted umbrella-shaped structure, the thrombus cut off cannot fall off to a far-end blood vessel when the thrombus taking support 2 is retracted without damaging the blood vessel, and therefore, the operation is safer, and when the slide button 42 is toggled backwards, the slide button 42 pulls the memory umbrella frame 32 with the umbrella cover 33 through the guide wire 321 to retract into the sleeve 31.

When the improved TREVO intracranial arterial thrombus and thrombus removal integrated device of the embodiment is used, firstly, the slide button 42 is turned backwards to enable the slide button 42 to pull the memory umbrella frame 32 to retract into the sleeve 31 through the guide wire 321, then when the improved TREVO intracranial arterial thrombus and thrombus removal integrated device of the embodiment reaches the safe position outside the front end of thrombus, the catheter 11 is pulled backwards to enable the catheter 11 to drive the tail end saccule 1 to slide towards the tail end of the guide wire 321, at the moment, the thrombus removal support 2 extends out of the catheter 11 and expands to be of a net-shaped structure, the thrombus removal support 2 can cut the thrombus through rotating the thrombus removal support 2 in the blood vessel, finally when the slide button 42 is turned forwards after thrombus cutting, the slide button 42 pushes the memory umbrella frame 32 through the guide wire 321 to enable the memory umbrella frame 32 to slide out of the sleeve 31, at the moment, the memory umbrella frame 32 and the umbrella cover 33 are expanded to be of an inverted umbrella-shaped structure, so that the thrombus which is cut can not fall off to a far-end blood vessel when the thrombus removal, thereby making the operation safer.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an improve TREVO intracranial artery thrombus and get and tie integrated device, includes tail end sacculus (1) and cup joints and be in get in tail end sacculus (1) and tie support (2), its characterized in that: the head of taking bolt support (2) is provided with head umbrella (3), head umbrella (3) are including inseparable welding in sleeve pipe (31), the cup joint of taking bolt support (2) head memory umbrella stand (32) and cladding in sleeve pipe (31) umbrella stand (33) of memory umbrella stand (32) periphery, memory umbrella stand (32) are including running through seal wire (321), the inseparable welding of tail end sacculus (1) spacing post (322) and the inseparable welding of seal wire (321) head are in a plurality of skeletons (323) of spacing post (322) head, the end connection who takes bolt support (2) has controlling means (4), sliding connection has slide button (42) on controlling means (4), the other end of seal wire (321) is embedded into in slide button (42).

2. The modified TREVO intracranial arterial thrombus and thrombus removal integrated device according to claim 1, which is characterized in that: the tail end of the tail end sacculus (1) is integrally formed with a catheter (11), and the guide wire (321) extends out of the catheter (11).

3. The modified TREVO intracranial arterial thrombus and thrombus removal integrated device according to claim 1, which is characterized in that: the storage cavity (311) used for storing the memory umbrella frame (32) and the umbrella cover (33) is formed in the sleeve (31), the through holes (312) communicated with the storage cavity (311) are formed in the head end and the tail end of the sleeve (31), and the inner diameter of each through hole (312) is smaller than that of the storage cavity (311).

4. The modified TREVO intracranial arterial thrombus and thrombus removal integrated device according to claim 3, wherein: the limiting column (322) is located in the containing cavity (311), and the outer diameter of the limiting column (322) is larger than the inner diameter of the through hole (312) and smaller than the inner diameter of the containing cavity (311).

5. The modified TREVO intracranial arterial thrombus and thrombus removal integrated device according to claim 4, wherein: when the memory umbrella stand (32) is contracted together with the umbrella cover (33) and is accommodated in the sleeve (31), the head of the memory umbrella stand (32) extends out of the sleeve (31).

6. The modified TREVO intracranial arterial thrombus and thrombus removal integrated device according to claim 2, wherein: the control device (4) is provided with a sliding groove (41) used for installing the sliding button (42), the tail end of the embolectomy support (2) is embedded into the control device (4), and the front end of the control device (4) is provided with a through hole used for the guide wire (321) to pass through.