CN217366002U

CN217366002U - Thrombus suction device

Info

Publication number: CN217366002U
Application number: CN202220729443.4U
Authority: CN
Inventors: 苏浩波; 汪涛; 许少睿; 袁园; 李鹏辉; 陈涛; 邹沛倩
Original assignee: Cuijie Medical Technology Nanjing Co ltd
Current assignee: Cuijie Medical Technology Nanjing Co ltd
Priority date: 2022-03-31
Filing date: 2022-03-31
Publication date: 2022-09-06
Anticipated expiration: 2032-03-31

Abstract

The utility model relates to a thrombus suction device. The thrombus aspiration device comprises a filter screen, a thrombus extraction bracket, a developing ring, a thrombus aspiration catheter and a catheter seat, wherein the thrombus aspiration catheter is fixed on the catheter seat, the distal end of the thrombus aspiration catheter is provided with a quick exchange structure, the thrombus extraction bracket is arranged in one side cavity of the thrombus aspiration catheter, and the filter screen is arranged in the other side cavity of the thrombus aspiration catheter; this thrombus suction device, embolus support suction thrombus is got through netted getting, and filter and catch broken fritter thrombus through netted filter screen, can clear up the thrombus to the utmost, the validity of operation has been guaranteed, the thrombus suction catheter that can the quick switch is set up, need not change the catheter at the in-process of operation seal wire, also be easier through angulation pathological change at the in-process of getting the thrombus, can not cause the damage to the vascular wall, the secondary injury to the patient has been avoided, can once only take out the thrombus, reduce operation number of times and operation operating time.

Description

Thrombus suction device

Technical Field

The utility model belongs to the technical field of medical instrument, concretely relates to thrombus suction device.

Background

Thrombosis is a multifactorial process of change in which genetic and environmental factors interact and interact with each other. The clinical common thrombus patients are mainly characterized by familial inheritance, recurrent attacks, symptom severity, abnormality of thrombus formation sites and younger onset time. At present, with the increasing pressure of social life, the environment is deteriorated due to the rapid economic growth, and the threat of thrombus to the life health of people is also shown.

At present, clinical treatment methods for thrombus mainly comprise a drug thrombolysis method, wherein thrombus is dissolved by injecting thrombolytic drugs, antiplatelet drugs and anticoagulants into blood vessels; implanting a stent to enlarge a lumen of a blood vessel; and artificial mechanical methods, which aspirate thrombi from blood vessels through surgical or suction devices. At present, the thrombus is mainly sucked out clinically by using a simple sucking-out device, so that a large amount of thrombus fragments cannot be sucked out and remain in blood vessels, the optimal effect of the operation cannot be achieved, and great discomfort is brought to patients. For this reason, a new technical solution needs to be designed to solve the problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a thrombus suction device with simple structure and reasonable design for solving the problems.

The utility model discloses a following technical scheme realizes above-mentioned purpose:

a thrombus suction device comprises a filter screen, a thrombus extraction bracket, a developing ring, a thrombus suction catheter and a catheter seat, wherein the thrombus suction catheter is of a double-cavity structure, the thrombus extraction bracket is arranged in one side cavity of the thrombus suction catheter, and the filter screen is arranged in the other side cavity of the thrombus suction catheter.

As the utility model discloses a further optimization scheme, thrombus suction catheter distal end is close to thrombectomy support department and still is provided with the development ring, and the material of development ring is platinum iridium alloy.

As a further optimization scheme of the utility model, the thrombectomy support is of a net structure, and the thrombectomy support is made of nickel-titanium alloy.

As the utility model discloses a further optimization scheme, filtering screen is network structure, filtering screen's seal wire diameter is 0.018 ', and seal wire length is 300cm, and the seal wire hardness is 1g, filtering screen's material is nickel titanium alloy.

As a further optimization scheme of the utility model, the thrombus suction catheter is set up to quick exchange structure, and length is 125-.

The beneficial effects of the utility model reside in that: the utility model discloses a setting up and getting the bolt support and be nickel titanium alloy network structure, can realize beating the mesh that breaks up the bold thrombus.

The utility model discloses a set up filter screen and be nickel titanium alloy network structure, can realize preventing the thrombus piece from escaping to the terminal blood vessel of distal end to the distal end protection of blood vessel, and filter and catch the purpose of broken fritter thrombus, clear up the thrombus to the at utmost, guarantee the validity of operation.

The utility model discloses a set up quick exchange thrombus suction catheter, need not change the pipe at the in-process of operation seal wire, also be easy more through angulation pathological change at the in-process of getting the thrombus, can not cause the damage to the vascular wall, avoided the secondary injury to the patient.

The utility model discloses a setting is got and is tied support and filter screen for the independent structure of each other, can realize getting repeatedly of tying the support and tie.

Drawings

FIG. 1 is a schematic view of a thrombus aspiration device assembly provided by the present invention;

FIG. 2 is a side view of a thrombus suction catheter of the thrombus aspiration device provided by the utility model;

FIG. 3 is a cross-sectional view of the thrombus suction catheter of the thrombus suction device provided by the present invention;

FIG. 4 is a schematic view of the filtering screen structure of the thrombus aspiration device provided by the present invention;

fig. 5 is a schematic structural view of a thrombus extraction support of the thrombus aspiration device provided by the present invention.

In the figure: 1. filtering the screen; 2. a thrombus taking support; 3. a developing ring; 4. a thrombus aspiration catheter; 5. a catheter hub.

Detailed Description

The present application will now be described in further detail with reference to the drawings, and it should be noted that the following detailed description is given for purposes of illustration only and should not be construed as limiting the scope of the present application, as these numerous insubstantial modifications and variations can be made by those skilled in the art based on the teachings of the present application.

Example 1

As shown in fig. 1 to 5, a thrombus aspiration device includes a filter screen 1, a thrombus extraction support 2, a developing ring 3, a thrombus aspiration catheter 4, and a catheter hub 5, wherein a distal end of the thrombus aspiration catheter 4 is configured as a rapid exchange structure, the thrombus extraction support 2 is disposed in one side cavity of the thrombus aspiration catheter 4, and the filter screen 1 is disposed in the other side cavity of the thrombus aspiration catheter 4.

The development ring 3 is further arranged at the position, close to the thrombus taking support 2, of the far end of the thrombus suction catheter 4, the development ring 3 is made of platinum-iridium alloy, and the development ring 3 is arranged at the position, close to the thrombus taking support 2, of the far end of the thrombus suction catheter 4, so that the catheter for cardiovascular minimally invasive treatment can display the specific position of the catheter in the thrombus suction operation treatment process, a doctor can conveniently perform the thrombus suction operation, and the stability of the operation is improved.

Get and tie support 2 and be network structure, get the material of tying support 2 and be nickel titanium alloy, get tie support 2 through setting up and be network structure, the area of contact of tie support 2 and thrombus is got in the increase, help getting tie support 2 to hit broken up bold thrombus, through using nickel titanium alloy, get tie support 2 and have wear resistance, corrosion resistance and super elastic energy for when the thrombus can be more easily by the suction, reduce and get the damage of tie support 2 to the vascular wall.

The filtering screen 1 is of a net structure, the diameter of a guide wire of the filtering screen 1 is 0.018', the length of the guide wire is 300cm, the hardness of the guide wire is 1g, the filtering screen 1 is made of nickel-titanium alloy, the filtering screen 1 can protect the far end of a blood vessel, thrombus fragments can be prevented from escaping to the far end of the blood vessel, broken small thrombi can be filtered and captured, the thrombus can be cleaned to the maximum degree, and the effectiveness of the operation can be guaranteed.

The thrombus aspiration catheter 4 is set to be of a rapid exchange structure, the length of the guide wire is 125-150cm, the diameter of the thrombus aspiration catheter 4 is 6-10F, the material of the outer layer of the thrombus aspiration catheter 4 is PEBA, the material of the inner layer of the thrombus aspiration catheter 4 is PTFE, through the use of the rapid exchange structure, the catheter does not need to be replaced in the process of operating the guide wire, and the thrombus is easier to pass through an angulation lesion in the process of thrombus removal, so that the injury to the blood vessel wall is avoided, and the secondary injury to a patient is avoided.

The embolectomy support 2 and the filter screen 1 are arranged to be mutually independent structures, and repeated embolectomy of the embolectomy support 2 can be realized by arranging the embolectomy support 2 and the filter screen 1 to be mutually independent structures.

It should be noted that, the filtering screen 1, the thrombus extraction support 2, the developing ring 3, the thrombus extraction catheter 4 and the catheter seat 5 in the thrombus extraction device are all universal standard components or components known by technicians in the field, and the structure and principle thereof can be known by technical manuals or can be known by conventional experimental methods, the thrombus extraction device achieves the effect of capturing and collecting broken small thrombi while sucking out large thrombi by arranging the thrombus extraction support 2 and the filtering screen 1 as a net structure, can protect the blood vessel at the far end, prevents thrombus fragments from escaping to the far end blood vessel, can clean the thrombus to the maximum extent, ensures the effectiveness of the operation, does not need to replace the catheter in the process of operating the guide wire by arranging the thrombus extraction catheter 4 as a quick exchange structure, and is easier to pass through the lesion in the process of extracting thrombus, can not cause damage to the vessel wall and avoid secondary damage to the patient.

In the description of the present invention, it is to be understood that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the present application, unless expressly stated or limited otherwise, a first feature "on" or "under" a second feature may be directly contacting the second feature or the first and second features may be indirectly contacting the second feature through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means 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 present invention. In this specification, the schematic representations of the terms used above should not be understood to necessarily refer 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, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims

1. A thrombus aspiration device is characterized by comprising a filter screen (1), a thrombus aspiration support (2), a developing ring (3), a thrombus aspiration catheter (4) and a catheter seat (5), wherein the thrombus aspiration catheter (4) is of a double-cavity structure, the thrombus aspiration support (2) is arranged in one cavity of the thrombus aspiration catheter (4), and the filter screen (1) is arranged in the other cavity of the thrombus aspiration catheter (4).

2. A thrombus aspiration device according to claim 1, wherein: the thrombus aspiration catheter (4) distal end is close to and is got thrombus support (2) department and still is provided with development ring (3), the material of development ring (3) is platinum iridium alloy.

3. A thrombus aspiration device according to claim 1, wherein: the thrombus taking support (2) is of a net structure, and the thrombus taking support (2) is made of nickel-titanium alloy.

4. A thrombus aspiration device according to claim 1, wherein: the filtering screen (1) is of a net structure, the diameter of a guide wire of the filtering screen (1) is 0.018', the length of the guide wire is 300cm, the hardness of the guide wire is 1g, and the filtering screen (1) is made of nickel-titanium alloy.

5. A thrombus aspiration device according to claim 1, wherein: the thrombus suction catheter (4) is arranged to be of a rapid exchange structure, the length of the thrombus suction catheter is 125-150cm, the diameter of the thrombus suction catheter (4) is 6-10F, the outer layer of the thrombus suction catheter (4) is made of PEBA, and the inner layer of the thrombus suction catheter (4) is made of PTFE.