CN210843271U - Plugging device with concave structure connecting piece - Google Patents

Abstract

The utility model discloses a plugging device with indent structural connection spare, this plugging device including: the net-shaped body is provided with a closing end and a connecting end which are oppositely arranged; the closing-in line penetrates through the grids at the closing-in end to close the opening at the closing-in end; and the connecting piece is connected to the connecting end and comprises an operating area which is used for being connected with a conveyor for conveying the plugging device. The connecting piece is internally provided with an inwards concave structure, the inwards concave structure is positioned in the middle of the connecting piece, the inwards concave structure is recessed from the near end of the connecting piece to the far end of the connecting piece, and the inwards concave structure is used for being connected with the conveyor. The proximal end is adjacent the outer surface of the connector and the distal end is adjacent the interior of the connector. Compare in prior art's the plugging device that has threaded connection spare, the utility model discloses a this kind of scheme can reduce the processing degree of difficulty, reduces the defective percentage, practices thrift the cost.

Description

Plugging device with concave structure connecting piece

Technical Field

The utility model relates to the field of medical equipment, in particular to plugging device with indent structural connection spare for the treatment elder generation is sick, contains the defect of atrial septal defect, ductus arteriosus, ventricular septal defect, oval hole not closed, left auricle, or disease that needs the shutoff treatment such as blood vessel, other shutoff tissue cavitys.

Background

In the prior art, the stopper is generally provided with a connecting member at one end thereof, and the connecting member is internally threaded to be connected with a conveyor to realize the conveying of the stopper. Because the internal thread processing degree of difficulty is higher, can produce higher defective percentage in the production process moreover, cause the waste of raw and other materials and invalid improvement of cost of labor like this. When treating tumor and vascular lesion, the occluder can also be implanted into the supply vessel of the lesion organ to occlude the vessel and interrupt the blood supply, so as to achieve the purposes of controlling bleeding, treating tumor and vascular lesion and eliminating the function of the diseased organ.

In summary, the prior art is difficult and expensive to manufacture due to the threaded connection of the occluding device.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a plugging device with indent structure connecting piece in order to overcome prior art because the connecting piece of plugging device has the screw thread and is difficult to preparation and the higher defect of manufacturing cost.

The utility model discloses an above-mentioned technical problem is solved through following technical scheme:

the utility model provides an occluder with indent structural connection spare which characterized in that, it is including: the net-shaped body is provided with a closing end and a connecting end which are oppositely arranged; a closing line, wherein the closing line penetrates through the plurality of grids at the closing end to realize closing at the closing end; the connecting piece is connected to the connecting end and comprises an operating area, and the operating area is used for being connected with a conveyor for conveying the plugging device;

the conveyor comprises a conveyor body, a connecting piece, a conveyor belt.

In the scheme, the non-threaded connection with the conveyor can be realized through the operation area, and the processing difficulty and the manufacturing cost are favorably reduced under the condition that threads do not need to be processed. The connecting part of the conveyor can enter the concave structure and is tightly connected with the concave structure, so that the stopper can be caught conveniently.

Preferably, the mesh body, the closing line and the connecting piece are all made of implantable materials, and are made of metal materials, metal alloy materials or medical polymer materials.

Preferably, the metal material is stainless steel or titanium; the metal alloy material is a cobalt-based alloy, a titanium alloy or a nickel-titanium alloy shape memory material; the medical polymer material is a biological inert medical polymer material or an absorbable medical polymer material.

Preferably, the concave structure has a first end and a second end along the concave direction, wherein the first end is located on the outer surface of the connecting member with the concave structure, and the size of the first end is smaller than that of the second end.

In this aspect, the inlet end (first end) of the connecting member serving as the conveyor is made smaller, and the connecting end (second end) of the connecting member serving as the conveyor is made larger, which is advantageous for improving the reliability of the connection of the conveyor and the stopper.

Preferably, the concave structure is a dovetail groove structure or an inverted frustum structure.

Preferably, along the concave direction of the concave structure, the concave structure comprises a conical structure and a columnar structure which are connected and communicated, and the cross-sectional dimension of the columnar structure is larger than the maximum cross-sectional dimension of the conical structure;

or along the concave direction of the concave structure, the concave structure comprises a first columnar structure and a second columnar structure which are connected and communicated, and the sectional dimension of the second columnar structure is larger than that of the first columnar structure.

In the scheme, the columnar structure is favorable for realizing the fixed holding of the connecting part of the conveyor, and the plugging device is convenient to reliably capture.

On the basis of the common knowledge in the field, the above preferred conditions can be combined at will to obtain the preferred embodiments of the present invention.

The utility model discloses an actively advance the effect and lie in:

the utility model discloses a plugging device with indent structural connection spare, one end is with closing up the line binding off, and the other end is provided with the connecting piece that has the indent structure, can not need set up the screw thread, and the size of connecting piece can be less than current threaded connection spare's size, and the connecting piece easily makes, can be caught by the conveyer in order to realize the transport of plugging device. In addition, the connecting part of the conveyor can enter the concave structure and is tightly connected with the concave structure, so that the stopper can be caught conveniently. Compared with the plugging device with the threaded connecting piece in the prior art, the scheme of the utility model can reduce the processing difficulty, reduce the defective rate and save the cost; in addition, it is easy to catch.

Drawings

Fig. 1 is a schematic perspective view of an occluder having a connection member with an indent structure according to embodiment 1 of the present invention.

Fig. 2 is a schematic front view of a connector according to embodiment 1 of the present invention.

Fig. 3 is a schematic front view of a connector according to embodiment 2 of the present invention.

Fig. 4 is a schematic view showing the connection of the connecting member of embodiment 2 of the present invention to the connecting portion of the conveyor.

Description of reference numerals:

40: net-shaped body

41: closing end

42: connecting end

60: connecting piece

65: inner concave structure

651: first end

652: second end

653: conical structure

654: columnar structure

9: conveyor

Detailed Description

The present invention will be more clearly and completely described below with reference to the accompanying drawings.

Example 1

The present embodiment discloses an occluder with a concave connecting member, as shown in fig. 1-2, comprising: a mesh body 40, a closing line and a connecting piece 60. The structure of the reticular body 40 is similar to that of the prior art, and comprises two net disks, and membranes for endothelial cells to climb are sewed in the two net disks. In this embodiment, the two net disks are both concave and have the same concave direction.

The mesh body 40 has a female end 41 and a connecting end 42 disposed opposite each other. The closing-in lines penetrate through the plurality of grids at the closing-in end 41 to realize closing-in at the closing-in end 41. A connecting element 60 is connected to the connecting end 42, which connecting element 60 comprises an operating area for connection to a conveyor for transporting the stopper.

Wherein, the inside of the connecting piece 60 is provided with a concave structure 65, and the concave structure 65 is located in the middle of the connecting piece 60, the concave structure 65 is recessed from the proximal end of the connecting piece 60 towards the inside of the distal end of the connecting piece 60, the concave structure 65 is used for connecting with the conveyor, wherein, the proximal end of the connecting piece 60 is close to the outer surface of the connecting piece 60, and the distal end of the connecting piece 60 is close to the inside of the connecting piece 60.

In the embodiment, the thread-free connection with the conveyor can be realized through the operation area, and the processing difficulty and the manufacturing cost are favorably reduced under the condition that the thread does not need to be processed. The connecting part of the conveyor can enter the concave structure 65 and be tightly connected with the concave structure 65, so that the stopper can be caught conveniently.

It should be noted that the mesh body, the closing line and the connecting member are all made of implantable materials, such as metal materials, metal alloy materials or medical polymer materials. Wherein the metal material is stainless steel or titanium; the metal alloy material is cobalt-based alloy, titanium alloy or nickel-titanium alloy shape memory material; the medical polymer material is a biological inert medical polymer material or an absorbable medical polymer material.

In addition, in the embodiment, the inner part of the occluder is also provided with fiber fabrics for endothelial tissues to climb and increase the barrier of the apparatus to blood or body fluid.

In addition, as shown in fig. 2, the connecting member 60 is provided with a concave structure 65, the concave structure 65 being recessed from the outer surface of the connecting member 60 toward the inside of the connecting member 60, the concave structure 65 being for connection with the conveyor. So arranged, the connecting part of the conveyor can enter the concave structure 65 and be tightly connected with the concave structure 65.

In the present embodiment, as will be understood by referring to fig. 2, the concave structure 65 has a first end 651 and a second end 652 along the concave direction, wherein the first end 651 is located on the outer surface of the connecting member 60, and the size of the first end 651 is smaller than that of the second end 652. The arrangement is such that the inlet end (first end) of the connecting part used as the conveyor is smaller and the connecting end (second end) of the connecting part used as the conveyor is larger, which is beneficial to improving the reliability of the connection of the conveyor and the stopper.

Further, in the present embodiment, the concave structure is a dovetail groove structure. In addition, in the present embodiment, the concave structure 65 is symmetrical with respect to the central axis direction of the mesh body.

In an alternative embodiment, the concave structure may also be an inverted frustum structure, and in this case, the structural schematic diagram of the connecting member may also be illustrated in fig. 2, except that the inner wall surface of the inverted frustum structure is a curved surface as compared with the dovetail groove structure.

Example 2

This example is similar to example 1, except that: the specific structure of the concave structure. As shown in fig. 3 and 4, the concave structure 65 includes a taper structure 653 and a pillar structure 654 connected and communicated with each other along the concave direction, and the pillar structure 654 has a cross-sectional dimension larger than the maximum cross-sectional dimension of the taper structure 653. Wherein the columnar structure 654 facilitates a secure grip of the connecting member of the carrier.

It should be noted that fig. 4 schematically shows the connection of the conveyor 9 with the concave structure, wherein the connection part of the conveyor 9 is a Y-shaped structure.

In other alternative embodiments, the concave structure may also be configured as: along the concave-in direction of the concave-in structure, the concave-in structure comprises a first columnar structure and a second columnar structure which are connected and communicated, and the sectional dimension of the second columnar structure is larger than that of the first columnar structure. Wherein the second cylindrical structure is also beneficial for realizing the fixed holding of the connecting part of the conveyor.

In describing the present invention, an embodiment may be provided with multiple figures, and reference numerals for the same components in the same embodiment are not necessarily shown in each figure; it will be appreciated by those skilled in the art that while one or more figures in an embodiment are described, they may be understood in conjunction with other figures in the embodiment; it will be understood by those skilled in the art that when no specific reference is made to which figure the text specifically corresponds, the text can be understood in conjunction with all of the figures in the embodiment.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Although specific embodiments of the present invention have been described above, it will be understood by those skilled in the art that this is by way of example only and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and the principles of the present invention, and these changes and modifications are all within the scope of the present invention.

Claims (6)

1. The utility model provides an occluder with indent structural connection spare which characterized in that, it including: the net-shaped body is provided with a closing end and a connecting end which are oppositely arranged; a closing line, wherein the closing line penetrates through the plurality of grids at the closing end to realize closing at the closing end; the connecting piece is connected to the connecting end and comprises an operating area, and the operating area is used for being connected with a conveyor for conveying the plugging device;

the conveyor comprises a conveyor body, a connecting piece, a conveyor belt.

2. The occlusion device with concave structural connection elements as in claim 1, wherein the net-shaped body, the line of the mouth-closing and the connection elements are all made of implantable materials, such as metal materials, metal alloy materials or medical polymer materials.

3. The occluder of claim 2, wherein said metallic material is stainless steel or titanium; the metal alloy material is a cobalt-based alloy, a titanium alloy or a nickel-titanium alloy shape memory material; the medical polymer material is a biological inert medical polymer material or an absorbable medical polymer material.

4. The occluder of claim 1, wherein the female structure has a first end and a second end in a female direction, wherein the first end is located on an outer surface of the female structure connector and has a dimension smaller than the second end.

5. The occlusion device of claim 1, wherein the female structure is a dovetail groove structure or an inverted frustum structure.

6. The occluder of claim 1, wherein the female structure comprises a cone-shaped structure and a column-shaped structure connected and communicated with each other along a female direction of the female structure, and a cross-sectional dimension of the column-shaped structure is larger than a maximum cross-sectional dimension of the cone-shaped structure;

or along the concave direction of the concave structure, the concave structure comprises a first columnar structure and a second columnar structure which are connected and communicated, and the sectional dimension of the second columnar structure is larger than that of the first columnar structure.

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