CN215914791U

CN215914791U - Department of neurology acute stroke gets bolt simple and easy suction pump device

Info

Publication number: CN215914791U
Application number: CN202122044333.2U
Authority: CN
Inventors: 李方明; 陈小武; 张红鸭; 阳礼; 陈立铭
Original assignee: Shenzhen University General Hospital
Current assignee: Shenzhen University General Hospital
Priority date: 2021-08-27
Filing date: 2021-08-27
Publication date: 2022-03-01
Anticipated expiration: 2031-08-27

Abstract

The utility model belongs to the technical field of medical instruments, in particular to a simple suction pump device for taking thrombus in acute stroke in neurology, which comprises a suction device, a capturing device and a suction tube, wherein the top end of a traction guide wire is fixed, a blood vessel plugging mechanism, a thrombus capturing mechanism and a fragment intercepting mechanism which are arranged on the outer wall of the traction guide wire are released into a blood vessel, the blood vessel plugging mechanism prevents blood flow in the blood vessel from impacting the thrombus, the thrombus capturing mechanism captures the thrombus in the blood vessel, the fragment intercepting mechanism filters and screens thrombus fragments in the blood, then the traction guide wire is slowly withdrawn, the thrombus is captured and withdrawn to the interior of a recovery catheter by the thrombus capturing mechanism in the withdrawing process, the captured thrombus enters the interior of a filter cylinder from the suction tube under the action of the suction pump and is intercepted by a spiral blade and a filter plate in the filter cylinder, prevent that the thrombus from getting into the inside of suction pump, avoided the postoperative to clear up suction pump convenient to use.

Description

Department of neurology acute stroke gets bolt simple and easy suction pump device

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a simple suction pump device for taking thrombus in an acute stroke in neurology.

Background

Thrombus is a blood clot formed by abnormal aggregation of blood vessels of formed components such as red blood cells, platelets and fibrin in blood at different ratios under the pathological condition of a secondary intrinsic or extrinsic coagulation system. Thrombus can be formed in artery and vein vessels, is not limited to myocardial infarction, deep vein thrombosis or cerebrovascular thrombosis and other lesions, can spread over the tissues and organs of the whole body and can be generated in blood vessels at any part in the body, acute cerebral apoplexy vascular thrombosis is an emerging nerve interventional therapy method, thrombus is taken out by entering a guide wire and a thrombosis taking device in a leg artery and going to the blocked part in the intracranial along the blood vessel within a certain time window, generally within 24 hours after the occurrence of the disease, and the patient is recommended to be in bed for nerve thrombosis therapy if the patient is blocked within 24 hours after the occurrence of the disease and is in the large blood vessel, and the patient is not excited.

But the simple and easy suction pump device of thrombus is got in current department of neurology acute apoplexy, and the thrombus flows the pump the inside sometimes easily, and the postoperative need be taken out, and is poor to the seizure effect of thrombus moreover, influences the use.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the background technology, the utility model provides a simple suction pump device for taking thrombus out of an acute stroke in neurology, which has the characteristics of preventing the thrombus from entering the interior of the pump, good thrombus capturing effect and convenient use.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a simple and easy suction pump device of thrombus of taking out of department of neurology acute stroke, includes suction device, trapping apparatus and suction tube, trapping apparatus passes through the suction tube with suction device and can dismantle the connection, suction device includes suction pump and cartridge filter, the inside of cartridge filter is provided with the pivot, the output of suction pump runs through the right-hand member face of cartridge filter and extends to the inside and the pivot transmission of cartridge filter and be connected, the outer wall fixedly connected with a plurality of evenly distributed's helical blade of pivot, the inside right side of cartridge filter is provided with the filter, the outer wall of filter and the inner wall butt of cartridge filter, trapping apparatus includes recovery pipe and delivery catheter, the delivery catheter pegs graft in the inside of retrieving the pipe, the inside of delivery catheter is provided with draws the seal wire, draw the seal wire to be located the center axis of delivery catheter, the outer wall that draws the seal wire from the top down has set gradually vascular shutoff mechanism, Thrombus catch mechanism, development ring and piece interception mechanism.

In order to facilitate the capture of thrombus, the simple suction pump device for taking thrombus in acute stroke in neurology is preferably used, the blood vessel blocking mechanism is of an umbrella structure, the thrombus capturing mechanism is of a net structure, and the fragment intercepting mechanism is of a basket structure.

In order to adjust the pressure in the connecting pipe conveniently, the simple suction pump device for taking thrombus in the acute stroke in the neurology department is preferably provided with a pressure adjusting valve on the outer wall of the suction pipe.

In order to facilitate monitoring of the working pressure of the suction pump by workers and guarantee normal operation of the suction pump, the simple suction pump device for taking the bolt in the acute stroke of the neurology department is preferable, and the upper end face of the suction pump is provided with a pressure gauge.

In order to play a role in overload protection on the rotating shaft, the simple suction pump device for taking the thrombus in the acute stroke in the neurology department is preferably provided with the coupling between the output end of the suction pump and the rotating shaft.

In order to improve the water passing performance of the plurality of helical blades, the simple suction pump device for taking thrombus in the acute stroke of the neurology department is preferably provided with the plurality of uniformly distributed through holes which penetrate through the outer walls of the plurality of helical blades.

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

when in use, the top end of the traction guide wire is firstly fixed, the conveying catheter is retracted to the outlet of the recovery catheter, the blood vessel plugging mechanism, the thrombus capturing mechanism and the fragment intercepting mechanism which are arranged on the outer wall of the traction guide wire are released into the blood vessel, the blood vessel plugging mechanism is in a horn shape when in a release state, is in contact with the blood vessel wall and temporarily plugs the blood vessel to slow down the speed of the blood flow at the position, prevents the blood flow in the blood vessel from impacting the thrombus, the thrombus capturing mechanism is in an olive shape when in a release state, fully supports and expands the blood vessel wall and captures the thrombus inside the blood vessel, the fragment intercepting mechanism is in a net shape when in a release state, intercepts and captures thrombus fragments possibly generated by the thrombus, filters and screens the thrombus fragments in the blood, then the recovery catheter and the conveying catheter are fixed, the traction guide wire is slowly retracted, the thrombus capturing mechanism captures and retracts the thrombus inside the blood vessel to the interior of the recovery catheter during the retraction process, will retrieve the pipe afterwards, carry the pipe and pull the blood vessel that the seal wire is whole steadily to be withdrawn from, can accomplish the work of catching to the thrombus, catch the thrombus and get into the inside of cartridge filter from the suction tube under the effect of suction pump, intercept it through inside helical blade of cartridge filter and filter, prevent that the thrombus from getting into the inside of suction pump, avoided the postoperative to clear up convenient to use to the suction pump.

To sum up, this kind of simple and easy suction pump device of thrombus is got in department of neurology acute apoplexy has and prevents that the thrombus from getting into the pump inside, catches effectual, convenient to use's characteristics to the thrombus.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.

In the drawings:

FIG. 1 is a front sectional view of the present invention;

FIG. 2 is an enlarged view of a portion of the structure of the present invention;

FIG. 3 is an enlarged schematic view of the developer ring of the present invention;

in the figure, 1, a suction device; 2. a capture device; 3. a suction tube; 4. a suction pump; 5. a filter cartridge; 6. a rotating shaft; 7. a helical blade; 8. a filter plate; 9. a recovery conduit; 10. a delivery catheter; 11. drawing a guide wire; 12. a vessel occlusion mechanism; 13. a thrombus capture mechanism; 14. a developing ring; 15. a debris intercepting mechanism; 16. a pressure regulating valve; 17. a pressure gauge; 18. a coupling is provided.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1-3, the present invention provides the following technical solutions: the utility model provides a simple and easy suction pump device of thrombus is got to department of neurology acute stroke, includes suction device 1, trapping apparatus 2 and suction tube 3, its characterized in that: the catching device 2 is detachably connected with the suction device 1 through a suction pipe 3, the suction device 1 comprises a suction pump 4 and a filter cartridge 5, a rotating shaft 6 is arranged inside the filter cartridge 5, the output end of the suction pump 4 penetrates through the right end face of the filter cartridge 5 and extends into the filter cartridge 5 to be in transmission connection with the rotating shaft 6, the outer wall of the rotating shaft 6 is fixedly connected with a plurality of uniformly distributed spiral blades 7, a filter plate 8 is arranged on the right side inside the filter cartridge 5, the outer wall of the filter plate 8 is abutted against the inner wall of the filter cartridge 5, the catching device 2 comprises a recovery catheter 9 and a conveying catheter 10, the conveying catheter 10 is inserted into the recovery catheter 9, a traction guide wire 11 is arranged inside the conveying catheter 10, the traction guide wire 11 is positioned on the central axis of the conveying catheter 10, and a blood vessel plugging mechanism 12 and a thrombus catching mechanism 13 are sequentially arranged on the outer wall of the traction guide wire 11 from top to bottom, a developer ring 14 and a debris catching mechanism 15.

In this embodiment: fixing the top end of a traction guide wire 11, withdrawing a conveying catheter 10 to the outlet of a recovery catheter 9, enabling a blood vessel plugging mechanism 12, a thrombus capturing mechanism 13 and a fragment intercepting mechanism 15 which are arranged on the outer wall of the traction guide wire 11 to be released into a blood vessel, enabling the blood vessel plugging mechanism 12 to be in a horn shape when in a release state, contacting with the blood vessel wall and temporarily plugging the blood vessel to slow down the blood flow speed at the position, preventing the blood flow in the blood vessel from impacting thrombus, enabling the thrombus capturing mechanism 13 to be in an olive shape when in a release state, fully supporting and expanding the blood vessel wall, capturing thrombus in the blood vessel, enabling the fragment intercepting mechanism 15 to be in a net bag shape when in a release state, intercepting and capturing thrombus fragments possibly generated by the thrombus, filtering and screening the thrombus fragments in the blood, then fixing the recovery catheter 10 and the conveying catheter 9, and slowly withdrawing the traction guide wire 11, withdraw in-process thrombus and catch mechanism 13 and catch the thrombus of intravascular portion and withdraw to the inside of retrieving pipe 10, will retrieve pipe 10 afterwards, carry pipe 9 and pull the blood vessel that the seal wire 11 is whole steadily to be withdrawn from, can accomplish the work of catching to the thrombus, the inside of catching the thrombus and getting into cartridge filter 5 from suction tube 3 under the effect of suction pump 4, helical blade 7 and filter 8 through cartridge filter 5 inside intercept it, prevent that the thrombus from getting into the inside of suction pump 4, avoided the postoperative to clear up suction pump 4, high durability and convenient use.

As a technical optimization scheme of the utility model, the blood vessel plugging mechanism 12 is of an umbrella structure, the thrombus capturing mechanism 13 is of a net structure, and the fragment intercepting mechanism 15 is of a basket structure.

In this embodiment: the blood vessel plugging mechanism 12 is an umbrella structure, is in contact with the blood vessel wall and temporarily plugs the blood vessel to slow down the blood flow at the position, the thrombus capturing mechanism 13 is in favor of capturing thrombus for a net structure, and the fragment intercepting mechanism 15 is a basket structure, so that thrombus fragments in the blood can be filtered and screened conveniently.

As a technical optimization of the present invention, the outer wall of the suction pipe 3 is provided with a pressure regulating valve 16.

In this embodiment: the pressure regulating valve 16 is arranged to facilitate the regulation of the pressure inside the suction tube 3 and the regulation of the pressure according to the requirement of the thrombus.

As a technical optimization scheme of the utility model, the upper end surface of the suction pump 4 is provided with a pressure gauge 17.

In this embodiment: through the setting of manometer 17, the staff of being convenient for monitors the operating pressure of suction pump 4 in real time, guarantees its normal operating.

As a technical optimization scheme of the utility model, a coupling 18 is arranged between the output end of the suction pump 4 and the rotating shaft 6.

In this embodiment: the output end of the suction pump 4 is in transmission connection with the rotating shaft 6 through a coupling 18, the coupling 18 can connect the central shafts of different mechanisms to rotate together, transmit movement and torque, and compensate offset between the two shafts due to manufacturing and installation inaccuracy, deformation or thermal expansion in work and the like.

As a technical optimization scheme of the utility model, a plurality of through holes which are uniformly distributed penetrate through the outer walls of the helical blades 7.

In this embodiment: the arrangement of the plurality of through holes is favorable for improving the water passing performance of the plurality of helical blades 7.

The working principle and the using process of the utility model are as follows: when in use, the top end of the traction guide wire 11 is fixed, the conveying catheter 10 is retracted to the outlet of the recovery catheter 9, the blood vessel plugging mechanism 12, the thrombus capturing mechanism 13 and the fragment intercepting mechanism 15 which are arranged on the outer wall of the traction guide wire 11 are released into the blood vessel, the blood vessel plugging mechanism 12 is in a horn shape when in a release state, contacts with the blood vessel wall and temporarily plugs the blood vessel to slow down the blood flow speed at the position, the blood flow in the blood vessel is prevented from impacting thrombus, the thrombus capturing mechanism 13 is in an olive shape when in a release state, the blood vessel wall is fully supported and expanded and is captured, the fragment intercepting mechanism 15 is in a net bag shape when in a release state, thrombus fragments which are possibly generated by capturing thrombus are intercepted, the thrombus fragments in the blood are filtered and screened, then the recovery catheter 10 and the conveying catheter 9 are fixed, the traction guide wire 11 is slowly retracted, withdraw in-process thrombus and catch mechanism 13 and catch the thrombus of intravascular portion and withdraw to the inside of retrieving pipe 10, will retrieve pipe 10 afterwards, carry pipe 9 and pull the blood vessel that the seal wire 11 is whole steadily to be withdrawn from, can accomplish the work of catching to the thrombus, the inside of catching the thrombus and getting into cartridge filter 5 from suction tube 3 under the effect of suction pump 4, helical blade 7 and filter 8 through cartridge filter 5 inside intercept it, prevent that the thrombus from getting into the inside of suction pump 4, avoided the postoperative to clear up suction pump 4, high durability and convenient use.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a simple and easy suction pump device of thrombus of taking is suddenly dredged to department of neurology, includes suction device (1), trapping apparatus (2) and suction tube (3), its characterized in that: the catching device (2) is detachably connected with the suction device (1) through a suction pipe (3), the suction device (1) comprises a suction pump (4) and a filter cylinder (5), a rotating shaft (6) is arranged in the filter cylinder (5), the output end of the suction pump (4) penetrates through the right end face of the filter cylinder (5) and extends to the inside of the filter cylinder (5) to be in transmission connection with the rotating shaft (6), the outer wall of the rotating shaft (6) is fixedly connected with a plurality of uniformly distributed spiral blades (7), a filter plate (8) is arranged on the right side of the inside of the filter cylinder (5), the outer wall of the filter plate (8) is abutted against the inner wall of the filter cylinder (5), the catching device (2) comprises a recovery catheter (9) and a conveying catheter (10), the conveying catheter (10) is inserted in the recovery catheter (9), and a traction guide wire (11) is arranged in the conveying catheter (10), the traction guide wire (11) is positioned on the central axis of the conveying catheter (10), and the outer wall of the traction guide wire (11) is sequentially provided with a blood vessel plugging mechanism (12), a thrombus capturing mechanism (13), a developing ring (14) and a fragment intercepting mechanism (15) from top to bottom.

2. The simple thrombus extraction pump device in the acute stroke of neurology department as claimed in claim 1, wherein: the blood vessel plugging mechanism (12) is of an umbrella body structure, the thrombus capturing mechanism (13) is of a net body structure, and the fragment intercepting mechanism (15) is of a basket body structure.

3. The simple thrombus extraction pump device in the acute stroke of neurology department as claimed in claim 1, wherein: the outer wall of the suction pipe (3) is provided with a pressure regulating valve (16).

4. The simple thrombus extraction pump device in the acute stroke of neurology department as claimed in claim 1, wherein: and a pressure gauge (17) is arranged on the upper end surface of the suction pump (4).

5. The simple thrombus extraction pump device in the acute stroke of neurology department as claimed in claim 1, wherein: and a coupling (18) is arranged between the output end of the suction pump (4) and the rotating shaft (6).

6. The simple thrombus extraction pump device in the acute stroke of neurology department as claimed in claim 1, wherein: the outer walls of the helical blades (7) are provided with a plurality of uniformly distributed through holes in a penetrating way.