CN217526046U

CN217526046U - Thrombolysis catheter

Info

Publication number: CN217526046U
Application number: CN202221109990.9U
Authority: CN
Inventors: 庄金满
Original assignee: Peking University Third Hospital Peking University Third Clinical Medical College
Current assignee: Peking University Third Hospital Peking University Third Clinical Medical College
Priority date: 2022-05-10
Filing date: 2022-05-10
Publication date: 2022-10-04
Anticipated expiration: 2032-05-10

Abstract

The utility model relates to the field of medical equipment, a thrombolysis catheter is disclosed, including the pipe, the inside shutoff seal wire that is provided with of pipe, the terminal top middle part that runs through the pipe of shutoff seal wire extends to the outside, shutoff seal wire top external diameter is provided with the fender umbrella, pipe top both sides all are provided with a plurality of and cross the liquid hole, the fender umbrella still includes the movable seat of fixed connection on the pipe top external diameter and sliding connection on the shutoff seal wire external diameter. The utility model discloses in, install the fender umbrella additional at the head end of thrombolysis pipe shutoff seal wire for even there is the thrombus to drop at the thrombolysis in-process also can be intercepted by the fender umbrella, thereby avoided the kickback that distal end artery embolism caused, the expansion can be accomodate to the fender umbrella structure, can not produce the vascular entering obstacle to the pipe yet, and simple structure is effective, and the better operation demand of thrombolysis that satisfies offers convenience for medical personnel.

Description

Thrombolytic catheter

Technical Field

The utility model relates to the field of medical equipment, especially, relate to a thrombolysis pipe.

Background

The peripheral arterial thrombus obstructive disease has great threat to human health, the present treatment of the peripheral arterial thrombus obstructive disease mainly has anticoagulation, thrombolysis and operation thrombus extraction modes, the thrombolysis is divided into two modes of whole-body thrombolysis through veins and local thrombolysis through a catheter, the former has high bleeding risk due to large total dosage and low local drug concentration and poor thrombolysis effect, so the present clinical application is more inclined to local thrombolysis through a thrombolysis catheter.

However, in the application process of the method, local thrombus detachment and distal movement can occur, so that the condition of distal artery embolism is caused, the symptoms of a patient are suddenly aggravated, a clinician is forced to perform an emergency thrombus extraction operation, and limb necrosis can be caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a thrombolysis catheter.

In order to realize the purpose, the utility model adopts the following technical scheme: the utility model provides a thrombolytic catheter, includes the pipe, the inside shutoff seal wire that is provided with of pipe, the terminal top middle part that runs through the pipe of shutoff seal wire extends to the outside, shutoff seal wire top external diameter is provided with the umbrella, pipe top both sides all are provided with a plurality of side opening.

As a further description of the above technical solution:

the protective umbrella further comprises a fixed seat fixedly connected to the outer diameter of the top of the catheter and a movable seat slidably connected to the outer diameter of the plugging guide wire.

As a further description of the above technical solution:

the outer diameter of the fixed seat is uniformly and rotatably connected with four umbrella ribs, and the outer diameter of the movable seat is uniformly and rotatably connected with four supporting rods.

As a further description of the above technical solution:

the tail ends of the supporting rods are rotatably connected to one side, away from the plugging guide wire, of the bottom end of the umbrella rib.

As a further description of the above technical solution:

the inner side ends of the adjacent umbrella ribs are fixedly connected with umbrella blades, and the surfaces of the umbrella blades are provided with a plurality of liquid passing holes.

As a further description of the above technical solution:

the inner part of the plugging guide wire is also provided with a silk thread, and the top end of the silk thread penetrates through the upper side of the plugging guide wire and is fixedly connected to one side of the bottom end of the movable seat.

The utility model discloses following beneficial effect has:

the utility model discloses in, install the fender umbrella additional through the head end at thrombolysis pipe shutoff seal wire for even there is the thrombus to drop and also can be intercepted by the fender umbrella among the thrombolysis process, thereby avoided the bad consequence that distal end artery embolism caused, the expansion can be accomodate to the fender umbrella structure, can not produce the vascular entering obstacle to the pipe yet, and simple structure is effective, and the better thrombolytic operation demand of satisfying brings the facility for medical personnel.

Drawings

Fig. 1 is a schematic perspective view of a thrombolytic catheter according to the present invention;

fig. 2 is a bottom view of a protective umbrella in a thrombolytic catheter, which is provided by the utility model.

Illustration of the drawings:

1. a conduit; 2. plugging the guide wire; 3. protecting the umbrella; 4. a side hole; 5. a fixed seat; 6. a movable seat; 7. umbrella ribs; 8. a strut; 9. umbrella leaves; 10. a liquid passing hole; 11. and (4) silk threads.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-2, the present invention provides an embodiment: the utility model provides a thrombolysis catheter, includes

pipe

1, and 1 inside is provided with shutoff seal wire 2 of pipe, one of the primary structure for pass the blood vessel that is stopped up by the thrombus, 2 terminal top middle parts that run through pipe 1 of shutoff seal wire and extend to the outside, 2 top external diameters of shutoff seal wire are provided with umbrella 3, and the thrombus piece that the interception was dissolved, 1 top both sides of pipe all are provided with a plurality of side opening 4, make things convenient for the thrombolytic drug to flow out.

In another embodiment, the protective umbrella 3 further comprises a fixed seat 5 fixedly connected to the outer diameter of the top of the catheter 1 and a movable seat 6 slidably connected to the outer diameter of the plugging guide wire 2, the movable seat 6 is moved by blood, the protective umbrella 3 is opened, four ribs 7 are uniformly and rotatably connected to the outer diameter of the fixed seat 5, four support rods 8 are uniformly and rotatably connected to the outer diameter of the movable seat 6, a supporting function is achieved, the ends of the support rods 8 are rotatably connected to the bottom ends of the ribs 7 away from the one side of the plugging guide wire 2, umbrella blades 9 are fixedly connected to the inner side ends of the adjacent ribs 7 and adopt sterile cloth, the umbrella blades 9 can be stored and unfolded, a plurality of liquid passing holes 10 are formed in the surfaces of the umbrella blades 9, normal flow of blood is guaranteed, silk threads 11 are further arranged inside the plugging guide wire 2, the top ends of the silk threads 11 penetrate through the upper side of the plugging guide wire 2 and are fixedly connected to the bottom end of the movable seat 6 after an operation is finished, the operation, the movable seat 6 can be driven to move downwards by the silk threads 11, the protective umbrella 3 can be stored, and the whole structure can be conveniently taken out.

The working principle is as follows: through installing fender umbrella 3 additional at the head end of 1 shutoff seal wire 2 of thrombolysis pipe, produce the contact with the thrombus through side opening 4 flows back when the thrombolysis medicine, make the thrombus drop, the thrombus piece flows along with blood, can strut fender umbrella 3, blood can normally flow through cross liquid hole 10, and the thrombus piece then can be intercepted by fender umbrella 3, thereby the bad consequence that distal end artery embolism caused has been avoided, the expansion can be accomodate to fender umbrella 3 structure, can not produce the vascular obstacle that gets into to the pipe yet, moreover, the steam generator is simple in structure, and is effective, better satisfy the thrombolysis operation demand, bring the facility for medical personnel.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions on some technical features, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of the present invention.

Claims

1. A thrombolytic catheter, comprising a catheter (1), characterized in that: catheter (1) inside is provided with shutoff seal wire (2), shutoff seal wire (2) end runs through the top middle part of catheter (1) and extends to the outside, shutoff seal wire (2) top external diameter is provided with umbrella (3), catheter (1) top both sides all are provided with a plurality of side opening (4).

2. A thrombolytic catheter, according to claim 1, wherein: the protective umbrella (3) further comprises a fixed seat (5) fixedly connected to the outer diameter of the top of the catheter (1) and a movable seat (6) slidably connected to the outer diameter of the plugging guide wire (2).

3. A thrombolytic catheter, according to claim 2, wherein: the umbrella is characterized in that four umbrella ribs (7) are uniformly and rotatably connected to the periphery of the outer diameter of the fixed seat (5), and four supporting rods (8) are uniformly and rotatably connected to the periphery of the outer diameter of the movable seat (6).

4. A thrombolytic catheter, according to claim 3, wherein: the tail ends of the supporting rods (8) are rotatably connected to one side, far away from the plugging guide wire (2), of the bottom end of the umbrella rib (7).

5. A thrombolytic catheter according to claim 3, wherein: the inner side ends of the adjacent umbrella ribs (7) are fixedly connected with umbrella blades (9), and the surfaces of the umbrella blades (9) are provided with a plurality of liquid passing holes (10).

6. A thrombolytic catheter according to claim 2, wherein: the inner part of the plugging guide wire (2) is also provided with a silk thread (11), and the top end of the silk thread (11) penetrates through the upper side of the plugging guide wire (2) and is fixedly connected to one side of the bottom end of the movable seat (6).