CN213787651U - Thrombus taking device for cerebral thrombosis - Google Patents

Abstract

The utility model discloses a thrombus taking device for cerebral thrombosis, which comprises a puncture conical head and an expansion lantern ring, wherein the right end of the puncture conical head is provided with an expansion lantern ring at the position of an annular edge, the expansion lantern ring is integrally formed at the puncture conical head, the expansion lantern ring is in a sleeved state relative to the puncture conical head, the right end of the puncture conical head is provided with a central butt joint at the position of a circle center, the central butt joint is integrally formed at the right end face of the puncture conical head, the right end of the central butt joint is provided with a cleaning net at the position of the edge, the cleaning net is connected at the right end edge of the central butt joint, the right end of the central butt joint is provided with a guide wire at the position of the circle center to peel off thrombus, and after peeling off, the thrombus is wrapped at the puncture conical head through the cleaning net, and then surface adsorption is carried out on the thrombus remained in a blood vessel in the pulling process, thereby avoiding the problem of repeated thrombus removal caused by residual thrombus remaining in the blood vessel.

Description

Thrombus taking device for cerebral thrombosis

Technical Field

The utility model belongs to the technical field of medical instrument is relevant, concretely relates to thrombectomy device for cerebral thrombosis.

Background

The medical apparatus refers to instruments, equipment, appliances, materials or other articles used alone or in combination for human body, including required software, and the functions of the medical apparatus used on the surface and in the body of human body are not obtained by means of pharmacology, immunology or metabolism, but may be participated in and play a certain auxiliary role.

The prior thrombus taking device technology for the cerebral thrombus has the following problems: the specification volume of the existing thrombus removal device is large, thrombus is easy to remain in a blood vessel wall after thrombus removal, and the problem of inconvenient operation such as secondary thrombus removal is solved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a thrombectomy device for cerebral thrombosis to the specification volume that proposes current thrombectomy device among the solution above-mentioned background art is great, and after thrombectomy, easily appear the thrombus and remain in the vascular wall, and then appear the inconvenient problem of operation such as secondary thrombectomy.

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

the utility model provides a bolt device of getting for cerebral thrombosis, includes the puncture conical head and expands the lantern ring, the right-hand member of puncture conical head is being located annular edge and is being provided with the expansion lantern ring, the expansion lantern ring integrated into one piece is in puncture conical head department, and the expansion lantern ring is for cup jointing the state for puncture conical head, the right-hand member of puncture conical head is being located centre of a circle department and is being provided with central butt joint, center butt joint integrated into one piece is in puncture conical head's right-hand member terminal surface department, the right-hand member of center butt joint is being located the edge and is being provided with the clearance net, the clearance network card connects in center butt joint's right-hand member edge, center butt joint's right-hand member is being located centre of a circle department and is provided with the guide wire, the guide wire transversely pegs graft to center butt joint's inboard.

Preferably, the cleaning net is a soft net material, and punctiform pores are uniformly penetrated through the surface of the cleaning net.

Preferably, the cleaning net can change shape under the action of force.

Preferably, the guide wire is an elastic metal wire, the guide wire can elastically deform under the action of force, and the guide wire can restore to the original set shape after deformation.

Preferably, the outer surface of the puncture conical head is etched with spiral grains, and the spiral grains at the puncture conical head are arranged in a concave manner relative to the surface of the puncture conical head.

Preferably, the expansion lantern ring and the puncture conical head are arranged in a seamless mode, and the expansion lantern ring and the puncture conical head are arranged in a circular arc transition mode.

Compared with the prior art, the utility model provides a get and tie device for cerebral thrombosis possesses following beneficial effect:

1. the utility model discloses a puncture conical head puncture is in thrombus department, and then pulls down at the cross-section of the puncture conical head and the expansion lantern ring, comes to peel off the operation to the thrombus, and after peeling off, wraps up in puncture conical head department through the clearance net, and then pulls the in-process of dragging, carries out surface adsorption to the intravascular thrombus of remaining to avoid remaining in the blood vessel because of remaining the thrombus, the repeated bolt problem of getting that leads to.

2. The utility model discloses a whole specification is less, and it is in the use process, and the operator of can being convenient for masters, can remove at the high efficiency when tieing, avoids because of the device specification is great, and then in the thrombectomy, the irreversible damage problem that causes the blood vessel.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

FIG. 1 is a schematic view of the overall structure of a thrombus removal device for cerebral thrombus according to the present invention;

FIG. 2 is a schematic structural view of a main body of the thrombus removal device for cerebral thrombus;

FIG. 3 is a schematic structural view of the thrombus removal device for cerebral thrombus provided by the present invention after thrombus removal;

FIG. 4 is a schematic view of the process of removing thrombus in the thrombus removal device for cerebral thrombus according to the present invention;

in the figure: 1. a puncture conical head; 2. expanding the lantern ring; 3. a central butt joint; 4. cleaning the net; 5. a guide wire.

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.

Referring to fig. 1-4, the present invention provides a technical solution of a thrombus extraction device for cerebral thrombosis:

the utility model provides a get and tie device for cerebral thrombosis, including puncture conical head 1 and expansion lantern ring 2, the right-hand member of puncture conical head 1 is being located annular edge and is being provided with the expansion lantern ring 2, 2 integrated into one piece of expansion lantern ring are in puncture conical head 1 department, the expansion lantern ring 2 is the cup joint state for puncture conical head 1, be seamless setting between the expansion lantern ring 2 and the puncture conical head 1, the expansion lantern ring 2 and puncture conical head 1 are circular arc transition setting, the right-hand member of puncture conical head 1 is being located centre of a circle department and is being provided with central butt joint 3, 3 integrated into one piece of central butt joint is in puncture conical head 1's right-hand member terminal surface department, the surface etching of puncture conical head 1 has the spiral line, puncture conical head 1 department spiral line sets up for the indent for puncture conical head 1's surface.

The utility model provides a thrombectomy device for cerebral thrombosis, the right-hand member including central butt joint 3 is being located the edge and is being provided with clearance net 4, clearance net 4 joint is in central butt joint 3's right-hand member edge, clearance net 4 is the setting of soft net material, the even punctiform hole that runs through in surface of clearance net 4, clearance net 4 can take place the shape change under the effect of power, central butt joint 3's right-hand member is being located centre of a circle department and is being provided with guide wire 5, guide wire 5 transversely pegs graft to central butt joint 3's inboard, guide wire 5 is the setting of elastic metal silk, elastic deformation can take place under the effect of power to guide wire 5, guide wire 5 can resume to original settlement shape after deformation.

The utility model discloses a theory of operation and use flow: when the operation of getting a bolt to endovascular thrombus, effort can be in advance in guide wire 5 department, and then remove through guide wire 5 drive puncture conical head 1, carry out the puncture operation to endovascular thrombus, and behind puncture conical head 1 whole puncture, through opposite direction pulling guide wire 5, and then pull down at expansion lantern ring 2 and puncture conical head 1 cross-section, strip the operation to the thrombus, strip back clearance net 4 parcel in puncture conical head 1 department, and then draw the in-process, carry out surface adsorption to endovascular residual thrombus, thereby avoid remaining in the blood vessel because of remaining the thrombus, the repeated bolt problem of getting that leads to.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a thrombectomy device for cerebral thrombosis, includes puncture conical head (1) and expansion lantern ring (2), its characterized in that: the right-hand member of puncture awl head (1) is being located annular edge and is being provided with the expansion lantern ring (2), the expansion lantern ring (2) integrated into one piece is in puncture awl head (1) department, and the expansion lantern ring (2) is for cup jointing the state for puncture awl head (1), the right-hand member of puncture awl head (1) is being located centre of a circle department and is being provided with central butt joint (3), central butt joint (3) integrated into one piece is in the right-hand member terminal surface department of puncture awl head (1), the right-hand member of central butt joint (3) is being located the edge and is being provided with clearance net (4), clearance net (4) joint is in the right-hand member edge of central butt joint (3), the right-hand member of central butt joint (3) is being located centre of a circle department and is provided with guide wire (5), guide wire (5) transversely peg graft to the inboard of central butt joint (3).

2. The thrombus removal device for cerebral thrombosis according to claim 1, wherein: the cleaning net (4) is a soft net material, and punctiform pores are uniformly penetrated through the surface of the cleaning net (4).

3. The thrombus removal device for cerebral thrombosis according to claim 1, wherein: the cleaning net (4) can change shape under the action of force.

4. The thrombus removal device for cerebral thrombosis according to claim 1, wherein: the guide wire (5) is arranged by an elastic metal wire, the guide wire (5) can be elastically deformed under the action of force, and the guide wire (5) can be restored to the original set shape after being deformed.

5. The thrombus removal device for cerebral thrombosis according to claim 1, wherein: spiral lines are etched on the outer surface of the puncture conical head (1), and the spiral lines at the puncture conical head (1) are arranged in a concave mode relative to the surface of the puncture conical head (1).

6. The thrombus removal device for cerebral thrombosis according to claim 1, wherein: the expansion sleeve ring (2) and the puncture conical head (1) are arranged in a seamless mode, and the expansion sleeve ring (2) and the puncture conical head (1) are arranged in a circular arc transition mode.

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