CN219814232U - Self-expanding umbrella-shaped tectorial membrane thrombus taking device - Google Patents

Abstract

The utility model relates to a self-expanding umbrella-shaped tectorial membrane thrombus taking device, which comprises an outer sheath tube and a thrombus taking tube, wherein a balloon catheter is arranged in the thrombus taking tube, and a tectorial membrane thrombus taking collector positioned in the outer sheath tube is also arranged at the head part of the thrombus taking tube, and is characterized in that: the tectorial membrane thrombus taking collector includes along the equidistant a plurality of elastic rods that distribute of thrombus taking pipe circumference and with thrombus taking pipe preceding terminal surface rigid coupling, the elastic rod extends and outside slope towards keeping away from the thrombus taking pipe direction, the front end of elastic rod has the bracing piece, bracing piece and elastic rod form braced frame, braced frame is last to be covered with the tectorial membrane, be provided with into the bolt mouth on the tectorial membrane, it is located the place ahead of elastic rod to advance the bolt mouth. The utility model has the beneficial effects of avoiding gaps between the device and the blood vessel wall in the use process, facilitating the pulling of thrombus by staff and having simpler operation.

Description

Self-expanding umbrella-shaped tectorial membrane thrombus taking device

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a self-expanding umbrella-shaped tectorial membrane thrombus taking device.

Background

Thrombus is a small block formed by abnormal coagulation of blood in blood vessels, and is easy to cause harm to human bodies if the thrombus is not cleared timely. Traditional thrombus cleaning modes: the method comprises the steps of firstly cutting the skin closest to a blood vessel, then opening the skin on a target blood vessel, stretching a balloon into the distal end of thrombus in the blood vessel from the opening, pressurizing the balloon, and pulling out the thrombus from the blood vessel by using the pressurized balloon.

And put forward a get thrombus sheath and get thrombus subassembly in prior art CN217138181U, through setting up the guiding hole with get the thrombus pipe, can make things convenient for the staff to introduce thrombus into getting the thrombus pipe in, and then reduce the operation to patient's wound to clear away the thrombus more thoroughly, but it also has certain technical problem.

For example, during the use of the device, the balloon is directly pulled to the distal end of the thrombus from one side of the thrombus by the guide wire, which causes that when the balloon pulls the thrombus to move in the blood vessel, gaps possibly appear between the guide port of the device and the blood vessel wall due to different forces applied to the side walls on two sides of the blood vessel wall, scattered small thrombus blocks possibly fall to the distal end of the blood vessel through the gaps, and the thrombus is generally attached to the blood vessel wall, so that the balloon is inconvenient for workers to pull.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the self-expanding umbrella-shaped tectorial membrane thrombus taking device which can avoid gaps between the device and the blood vessel wall in the use process, is convenient for operators to pull thrombus and has simpler operation.

The utility model provides a self-expanding umbrella-shaped tectorial membrane thrombus taking device which comprises an outer sheath tube and a thrombus taking tube, wherein a balloon catheter is arranged in the thrombus taking tube, a tectorial membrane thrombus taking collector which is positioned in the outer sheath tube is also arranged at the head part of the thrombus taking tube, the tectorial membrane thrombus taking collector comprises a plurality of elastic rods which are distributed along the circumferential direction of the thrombus taking tube at equal intervals and fixedly connected with the front end surface of the thrombus taking tube, the elastic rods extend towards the direction far away from the thrombus taking tube and incline outwards, the front ends of the elastic rods are connected with supporting rods, the supporting rods and the elastic rods form a supporting frame, the supporting frame is wrapped with a tectorial membrane, and a thrombus inlet is arranged on the tectorial membrane and positioned in front of the elastic rods.

In the use process, the tectorial membrane thrombus removing collector positioned in the outer sheath tube is arranged at the head of the thrombus removing tube, the tectorial membrane thrombus removing collector is arranged to be a plurality of elastic rods which are distributed along the circumferential direction of the thrombus removing tube at equal intervals and are connected with the front end face of the thrombus removing tube, the elastic rods extend towards the direction far away from the thrombus removing tube and incline outwards, the front ends of the elastic rods are connected with supporting rods, the supporting rods and the elastic rods form a supporting frame, the supporting frame is wrapped with a tectorial membrane, the tectorial membrane is provided with a thrombus inlet, the thrombus inlet is positioned in front of the elastic rods, the outer sheath tube is pulled to a target position through a guide wire and an expansion hose, the expansion hose is pulled out from the outer sheath tube, the thrombus removing tube and the tectorial membrane thrombus collecting collector are inserted into the outer sheath tube, the outer sheath tube is slid backwards, the tectorial membrane thrombus collecting device arranged at the head of the thrombus removing tube extends, and after the elastic rods of the tectorial membrane thrombus collecting device extend outwards, the elastic rods which are compressed in the outer sheath tube are expanded outwards, and spread out, and further the supporting rods are driven to move outwards, and the supporting frame is driven to move outwards, and the tectorial membrane can be prevented from falling into a vascular vessel to a vascular vessel through a vascular duct to be attached to a vascular device by a far end.

Preferably, the back end surface of the outer sheath tube is fixedly connected with a communicating tube, the inner diameter of the front end of the communicating tube is smaller than that of the back end of the communicating tube, and the inner diameter of the front end of the communicating tube is consistent with that of the outer sheath tube. Through fixedly connected with communicating pipe on the rear end face of outer sheath pipe, and the internal diameter of communicating pipe front end is less than the internal diameter of communicating pipe rear end, and the internal diameter of communicating pipe front end is unanimous with the internal diameter of outer sheath pipe, utilizes communicating pipe can make things convenient for the staff to get into the outer sheath intraductal with the thrombus collector is got from the rear end opening of outer sheath pipe with the tectorial membrane.

Preferably, the bolt inlet is formed in the front end surface coating film of the support frame. Through offer the bolt mouth on the tectorial membrane of braced frame front end face, can make things convenient for the staff to clear up the thrombus in the main blood vessel.

Preferably, the bolt inlet is formed in the side wall coating film of the supporting frame. The thrombus inlet is formed in the covering film on the side wall of the supporting frame, so that a worker can conveniently clean thrombus of the branched blood vessel.

Preferably, one end of the thrombus taking tube far away from the elastic rod is provided with a rubber plug, a cross knife slot is formed in the axis position of the rubber plug, and the balloon catheter penetrates through the cross knife slot and extends into the thrombus taking tube. Through being provided with the rubber end cap in the one end that the thrombus taking pipe kept away from the elastic rod, open the cross sword seam in rubber end cap's axle center position to in passing cross sword seam with the sacculus pipe and extending the thrombus taking pipe, utilize cross sword seam and rubber end cap can prevent that blood from flowing out in a large number from the thrombus taking pipe in the in-process that the staff pulled sacculus pipe clearance thrombus.

Preferably, a drain pipe connected with the thrombus taking pipe in a conducting way is arranged on the side wall of the rear side of the thrombus taking pipe, and a switch valve is arranged on the drain pipe. Through be provided with on the rear side lateral wall of thrombus taking pipe with thrombus taking pipe switch-on connection's exhaust pipe to be provided with the ooff valve on the exhaust pipe, utilize the ooff valve can control the exhaust pipe and open and close, close the exhaust pipe when the staff is clearing up the thrombus, avoid the blood in the blood vessel to escape from the blood vessel, open the exhaust pipe when the staff draws in thrombus in the blood vessel to thrombus taking intraductal, can make the liquid material such as blood residue that exists in the thrombus discharge in the exhaust pipe.

The beneficial effects of the utility model are as follows: the device comprises a thrombus collecting device, a support rod, a support frame, a thrombus inlet, a thrombus leading tube, a dilating hose, a thrombus leading tube and a thrombus leading tube, wherein the thrombus collecting device is arranged at the head of the thrombus collecting tube and is positioned in the outer sheath tube, the tectorial membrane leading tube is arranged in the outer sheath tube, the tectorial membrane leading tube and the dilating hose are pulled to a target position through the guide wire and the dilating hose, the dilating hose is pulled out from the outer sheath tube, the thrombus collecting device is inserted into the outer sheath tube, the outer sheath tube is slid backwards, the tectorial membrane leading tube is led to extend out of the thrombus collecting device, and the tectorial membrane leading tube is outwards expanded after the elastic rod in the tectorial membrane leading tube extends out, the supporting rod is compressed in the outer sheath tube and outwards, the supporting rod is driven to outwards move, the supporting rod and the tectorial membrane on the elastic rod is further driven to move outwards, the supporting rod and the tectorial membrane leading tube can be covered by the supporting rod and the corresponding to the thrombus leading tube, and the thrombus leading tube can be prevented from falling from the blood vessel leading tube to the collecting device from the blood vessel to the blood vessel, and the thrombus can be conveniently removed from the blood vessel by the blood vessel leading tube.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a side view of the portion A of the structure of FIG. 1;

FIG. 3 is a cross-sectional view of the structure of the present utility model;

FIG. 4 is a diagram illustrating the use of embodiment 1 of the present utility model;

FIG. 5 is a side view of the portion B of FIG. 4;

FIG. 6 is a state diagram of the use of embodiment 2 of the present utility model

The figure shows:

1. the device comprises an outer sheath tube 2, a thrombus taking tube 3, a balloon catheter 4, a rubber plug 5, a supporting rod 6, a covering film 7, an elastic rod 8, a communicating tube 9, a thrombus inlet 10, a cross knife seam 11, a discharge tube 12 and a switching valve.

Detailed Description

In order to clearly illustrate the technical characteristics of the scheme, the scheme is explained below through a specific embodiment.

Example 1:

the utility model discloses a self-expanding umbrella-shaped tectorial membrane thrombus taking device as shown in fig. 1-3, which comprises an outer sheath tube 1 and a thrombus taking tube 2, wherein a balloon catheter 3 is arranged in the thrombus taking tube 2, and a tectorial membrane thrombus taking collector positioned in the outer sheath tube 1 is further arranged at the head part of the thrombus taking tube 2, and is characterized in that: tectorial membrane thrombus taking collector includes along thrombus taking pipe 2 circumference equidistance distribution and with a plurality of elastic rods 7 of thrombus taking pipe 2 preceding terminal surface rigid coupling, elastic rods 7 extend and outside slope towards keeping away from thrombus taking pipe 2 direction, the front end of elastic rods 7 has bracing piece 5, bracing piece 5 and elastic rods 7 form braced frame, the braced frame is lapped with tectorial membrane 6, be provided with into bolt mouth 9 on the tectorial membrane 6, advance bolt mouth 9 and be located the place ahead of elastic rods 7.

As shown in fig. 4-5, the bolt inlet 9 is formed in the covering film 6 on the front end surface of the supporting frame, so that a worker can conveniently use the device in a main blood vessel, and further, the worker can conveniently clean thrombus. Through fixedly connected with communicating pipe 8 on the rear end face of outer sheath pipe 1, and the internal diameter of communicating pipe 8 front end is less than the internal diameter of communicating pipe 8 rear end, and the internal diameter of communicating pipe 8 front end is unanimous with the internal diameter of outer sheath pipe 1, utilizes communicating pipe 8 can make things convenient for the staff to get bolt pipe 2 and tectorial membrane to get the bolt collector from the rear end opening of outer sheath pipe 1 into in the outer sheath pipe 1. Through being provided with rubber end cap 4 at the one end that the thrombus taking tube 2 kept away from elastic rod 7, open the cross knife slot 10 in rubber end cap 4's axle center position to extend sacculus pipe 3 through cross knife slot 10 to the thrombus taking tube 2 in, utilize cross knife slot 10 and rubber end cap 4 can prevent that blood from flowing out in a large number from thrombus taking tube 2 in the in-process that the staff pulled sacculus pipe 3 clearance thrombus. Through be provided with on the rear side lateral wall of thrombus taking pipe 2 with thrombus taking pipe 2 switch-on connection's drain pipe 11 to be provided with ooff valve 12 on drain pipe 11, utilize ooff valve 12 can control drain pipe 11 and open and close, close drain pipe 11 when the staff is clearing up the thrombus, avoid the blood in the blood vessel to escape from the blood vessel, open drain pipe 11 when the staff draws into thrombus taking pipe 2 in with the blood vessel, can make the liquid substance such as blood residue that exists in the thrombus discharge in the drain pipe 11.

As can be seen from fig. 1 to 6, the method of using the embodiment 1 is as follows: firstly, pull the outer sheath 1 to the vicinity of thrombus needing to be cleaned in a main vessel through a guide wire and an expansion hose, then draw the expansion hose out of the outer sheath 1, and insert the thrombus taking tube 2 and a covered thrombus taking collector into the outer sheath 1 through a rear end opening of a communicating pipe 8, then slide the outer sheath 1 backwards, so that the covered thrombus taking collector arranged at the head of the thrombus taking tube 2 is separated from and extends out of the outer sheath 1, after the elastic rod 7 in the covered thrombus taking collector is extended, the elastic rod is in a restrained state in the outer sheath 1, the elastic rod is extended outwards after the elastic rod is extended, and drives a supporting rod to move, so that the covered thrombus 6 corresponding to the supporting rod 5 and the supporting rod 5 can be attached to the vascular wall of a human body, the balloon catheter 3 is extended to the distal end of the thrombus, the balloon is inflated by pressurization, the pressurized balloon pulls the thrombus into the covered thrombus taking collector from a thrombus inlet 9 on the front end surface covered thrombus collecting tube 6, and pulls the thrombus taking collector into the thrombus collecting tube 2 from the covered thrombus collecting tube through the pressurized balloon, the thrombus taking collector to be discharged into the thrombus collecting tube through a cross valve 11, and the thrombus can be discharged from the thrombus collecting tube 2 to the outside through a large-shaped plug valve 11, and the thrombus can be discharged from the inside the thrombus collecting tube 11 through a large-shaped valve 11, the thrombus collecting tube can be discharged in the process, the process can be guaranteed, and the outside can be discharged in the process of the outside has a large volume of the thrombus can be discharged outside through the thrombus tube 11, and has the outside can be discharged outside the large when the thrombus can be discharged outside through the thrombus tube 11 through the thrombus tube is opened.

Example 2:

this embodiment differs from embodiment 1 in that: as shown in fig. 6, the bolt inlet 9 is formed in the covering film 6 on the side wall of the supporting frame, so that a worker can conveniently extend the balloon catheter 3 from the bolt inlet 9, and the worker can conveniently clean thrombus blocks in the branch blood vessel.

As can be seen from fig. 1 to 6, the method of using the embodiment 2 is as follows: firstly, pull the outer sheath 1 to the target position through guide wire and expansion hose, draw out the expansion hose from the outer sheath 1, and insert the thrombus taking tube 2 and the tectorial membrane thrombus taking collector into the outer sheath through the rear end opening of communicating pipe 8, slide the outer sheath 1 backward again, make the tectorial membrane thrombus taking collector that sets up at the head of thrombus taking tube 2 break away from communicating pipe 8 and stretch out outer sheath 1, the elastic rod 7 of tectorial membrane thrombus taking collector is no longer received the constraint of communicating pipe 8 after stretching out outer sheath 1, can expand to the outside, and drive bracing piece 5 and laminating on the vascular wall rather than corresponding tectorial membrane 6, and make the bolt mouth 9 of seting up on braced frame lateral wall tectorial membrane 6 and the branch vessel on the main vessel align, stretch into the distal end of thrombus in the branch vessel from bolt mouth 9 again, pressurize balloon catheter 3 again, utilize the sacculus after pressurizing to draw thrombus into the tectorial membrane collector from the entry mouth 9 on braced frame lateral wall tectorial membrane 6, it can be discharged from the capillary plug mouth 2 to the capillary plug mouth 2 through the valve 11 after this moment, can be opened in the operation volume of draining plug 11 from the inner side wall of the capillary tube 2 to the capillary tube, the drain volume can be guaranteed in the process of draining the blood from the inner side of the capillary tube to the inner side of the vessel, the capillary tube is opened in the volume of the capillary tube is opened, the volume of the capillary tube is discharged from the inner vessel is opened to the inner vessel is 11, the volume can be discharged in the volume of the vessel is easy, and the blood can be discharged from the inner vessel is discharged to the inner the vessel is discharged to the outside.

Of course, the above description is not limited to the above examples, and the technical features of the present utility model that are not described may be implemented by or by using the prior art, which is not described herein again; the above examples and drawings are only for illustrating the technical scheme of the present utility model and not for limiting the same, and the present utility model has been described in detail with reference to the preferred embodiments, and it should be understood by those skilled in the art that changes, modifications, additions or substitutions made by those skilled in the art without departing from the spirit of the present utility model and the scope of the appended claims.

Claims (6)

1. The utility model provides a from umbrella-type tectorial membrane thrombus taking device, includes sheath pipe (1) and thrombus taking pipe (2), be provided with sacculus pipe (3) in thrombus taking pipe (2), the head of thrombus taking pipe (2) still is provided with the tectorial membrane thrombus taking collector that is located in sheath pipe (1), its characterized in that: tectorial membrane thrombus taking collector includes along thrombus taking pipe (2) circumference equidistance distribution and with a plurality of elastic rods (7) of thrombus taking pipe (2) preceding terminal surface rigid coupling, elastic rod (7) orientation is kept away from thrombus taking pipe (2) direction and is extended and outside slope, the front end of elastic rod (7) has bracing piece (5), bracing piece (5) and elastic rod (7) form braced frame, braced frame is last to be covered with tectorial membrane (6), be provided with into bolt mouth (9) on tectorial membrane (6), advance bolt mouth (9) and be located the place ahead of elastic rod (7).

2. The self-expanding umbrella-shaped tectorial membrane thrombus removal device of claim 1, wherein: the inner diameter of the front end of the communicating pipe (8) is smaller than that of the rear end of the communicating pipe (8), and the inner diameter of the front end of the communicating pipe (8) is consistent with that of the outer sheath (1).

3. The self-expanding umbrella-shaped tectorial membrane thrombus removal device of claim 1, wherein: the bolt inlet (9) is arranged on the front end surface coating film (6) of the supporting frame.

4. The self-expanding umbrella-shaped tectorial membrane thrombus removal device of claim 1, wherein: the bolt inlet (9) is arranged on the side wall coating film (6) of the supporting frame.

5. The self-expanding umbrella-shaped tectorial membrane thrombus removal device of claim 1, wherein: one end of the thrombus taking tube (2) far away from the elastic rod (7) is provided with a rubber plug (4), a cross knife slot (10) is formed in the axis position of the rubber plug (4), and the balloon catheter (3) penetrates through the cross knife slot (10) and extends into the thrombus taking tube (2).

6. The self-expanding umbrella-shaped tectorial membrane thrombus removal device of claim 1, wherein: the device is characterized in that a discharge pipe (11) connected with the thrombus taking pipe (2) in a conducting way is arranged on the side wall of the rear side of the thrombus taking pipe (2), and a switch valve (12) is arranged on the discharge pipe (11).