CN218010080U

CN218010080U - Medical porous tantalum interbody fusion cage

Info

Publication number: CN218010080U
Application number: CN202221766804.9U
Authority: CN
Inventors: 腾跃晖; 余光祥; 张正浩
Original assignee: Jiangsu Qiangsheng Medical Technology Co ltd
Current assignee: Jiangsu Qiangsheng Medical Technology Co ltd
Priority date: 2022-07-11
Filing date: 2022-07-11
Publication date: 2022-12-13
Anticipated expiration: 2032-07-11

Abstract

The utility model discloses a medical porous tantalum interbody fusion cage, which comprises two solid end parts, wherein connecting rods are arranged at four corners between the two solid end parts, a bone grafting cavity cover is arranged at the middle part between the two solid end parts, a plurality of first through holes are arranged on the bone grafting cavity cover, a plurality of first reinforcing rods are arranged between the connecting rods and the bone grafting cavity cover, and a plurality of second reinforcing rods are arranged between two adjacent connecting rods; a pore structure part is arranged at a gap between the connecting rod and the bone grafting cavity cover and comprises a plurality of mutually connected columnar bodies, an inner cavity is arranged in each columnar body, and a plurality of second through holes are equidistantly arranged on the side surface of each columnar body; the utility model discloses an overall structure's setting has saved the production material, has alleviateed the dead weight, has reduced manufacturing cost, and is of value to the fusion cage more and fuses into the intervertebral.

Description

Medical porous tantalum interbody fusion cage

Technical Field

The utility model relates to the technical field of medical equipment, specifically a medical porous tantalum interbody fusion cage.

Background

Currently, intervertebral fusion has become the main means for treating diseases such as unstable lumbar vertebrae, lumbar spinal stenosis, degenerative spondylolisthesis, degenerative scoliosis, prosthetic joints and degenerative intervertebral disc diseases. The interbody fusion cage made of titanium-based metal is used more clinically, has the defects of limited bone growing capacity and easy instability after being implanted for a long time, and has the problems of low fusion speed, poor fusion effect, unsatisfactory clinical effect and the like in interbody fusion due to inconsistent gaps among vertebral bodies of patients and the addition of congenital scoliosis or deformity of some patients, thereby bringing much pain to the patients.

The utility model with publication number CN109771105B discloses a porous tantalum interbody fusion cage, through the 3D printing method with high-purity tantalum powder integrated printing fashioned structure, can solve above-mentioned problem, but the tantalum material that this kind of method needed to use is more, can cause the higher problem of manufacturing cost, therefore we improve this, provide a medical porous tantalum interbody fusion cage.

SUMMERY OF THE UTILITY MODEL

More materials that need to use for solving prior art existence, the higher defect of manufacturing cost, the utility model provides a medical porous tantalum interbody fusion cage.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a medical porous tantalum interbody fusion cage, which comprises two solid end parts, wherein connecting rods are arranged at the four corners between the two solid end parts, a bone grafting cavity cover is arranged at the middle part between the two solid end parts, a plurality of first through holes are arranged on the bone grafting cavity cover, a plurality of first reinforcing rods are arranged between the connecting rods and the bone grafting cavity cover, and a plurality of second reinforcing rods are arranged between the two adjacent connecting rods; the clearance department between connecting rod and the bone grafting chamber cover is equipped with pore structure portion, and pore structure portion includes a plurality of interconnect's columnar body, and the inside of columnar body is equipped with the inner chamber, and the equidistance is equipped with a plurality of second through-holes on the side of columnar body.

As a preferred technical scheme of the utility model, a plurality of first anchor strut and a plurality of second anchor strut all be Z type end to end and connect gradually.

As an optimized technical proposal of the utility model, the end part of the solid body is provided with an instrument groove and an instrument hole.

As an optimized technical proposal of the utility model, the cross sections of the column body and the inner cavity are regular hexagons.

The utility model has the advantages as follows:

1. this kind of medical porous tantalum interbody fusion cage, through be equipped with the connecting rod between two entity tip and plant the bone cavity cover, the connecting rod with plant and be equipped with a plurality of first anchor strut between the bone cavity cover, be equipped with a plurality of second anchor struts between two adjacent connecting rods, make the utility model discloses can enough play the supporting role at the human intervertebral, and saved the production material, alleviate the dead weight, reduce manufacturing cost.

2. This kind of medical porous tantalum interbody fusion cage is equipped with pore structure portion through connecting rod and the clearance department of planting between the bone chamber cover, and pore structure portion includes a plurality of interconnect's columnar body, and the inside of columnar body is equipped with the inner chamber, and the equidistance is equipped with a plurality of second through-holes on the side of columnar body, makes the utility model discloses an effective growth of sclerotin etc. provides open growth space, is of value to the fusion cage more and fuses into the intervertebral.

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 serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of a medical porous tantalum interbody fusion cage of the present invention;

fig. 2 is a schematic view of a supporting structure of the medical porous tantalum interbody fusion cage of the present invention;

fig. 3 is a schematic structural view of the pore structure part of the medical porous tantalum interbody fusion cage of the present invention.

In the figure: 1. a solid end portion; 2. an instrument slot; 3. a connecting rod; 4. a first reinforcing rod; 5. a second reinforcing bar; 6. a bone grafting cavity cover; 7. a first through hole; 8. a pore structure portion; 9. a columnar body; 10. an inner cavity; 11. a second through hole; 12. an instrument hole.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in figures 1-2, the utility model relates to a medical porous tantalum interbody fusion cage, including two entity tip 1, be equipped with apparatus groove 2 and apparatus hole 12 on the entity tip 1, be convenient for with the apparatus centre gripping the utility model discloses, accomplish the implantation to the human body. Four corners department between two entity tip 1 all be equipped with connecting rod 3, middle part between two entity tip 1 is equipped with bone grafting chamber cover 6, be equipped with a plurality of first through-holes 7 on the bone grafting chamber cover 6, be equipped with a plurality of first anchor strut 4 between connecting rod 3 and the bone grafting chamber cover 6, be equipped with a plurality of second anchor strut 5 between two adjacent connecting rods 3, a plurality of first anchor strut 4 and a plurality of second anchor strut 5 all are Z type end to end and connect gradually for first anchor strut 4 and second anchor strut 5 can form the triangle structure with connecting rod 3 or bone grafting chamber cover 6, increase the utility model discloses a steadiness, above-mentioned structure make the utility model discloses can enough play the supporting role between human intervertebral, and saved the production material, alleviateed the dead weight. The clearance department between connecting rod 3 and the bone grafting chamber cover 6 is equipped with pore structure portion 8, as shown in fig. 3, pore structure portion 8 includes a plurality of interconnect's columnar body 9, and the inside of columnar body 9 is equipped with inner chamber 10, and the cross section of columnar body 9 and inner chamber 10 is regular hexagon for pore structure portion 8 is cellular, and the same material can make the space in pore structure portion 8 bigger, makes the structure of pore structure portion 8 more firm simultaneously, has more toughness. The equidistance is equipped with a plurality of second through-holes 11 on the side of columnar body 9, through the structure setting of pore structure portion 8, makes the utility model discloses an effective growth of sclerotin etc. provides open growth space, is of value to the fusion cage more and incorporates into the intervertebral.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A medical porous tantalum interbody fusion cage comprises two solid end parts (1), and is characterized in that connecting rods (3) are arranged at four corners between the two solid end parts (1), a bone grafting cavity cover (6) is arranged in the middle between the two solid end parts (1), a plurality of first through holes (7) are formed in the bone grafting cavity cover (6), a plurality of first reinforcing rods (4) are arranged between the connecting rods (3) and the bone grafting cavity cover (6), and a plurality of second reinforcing rods (5) are arranged between two adjacent connecting rods (3); the bone grafting cavity cover is characterized in that a gap between the connecting rod (3) and the bone grafting cavity cover (6) is provided with a pore structure part (8), the pore structure part (8) comprises a plurality of interconnected columnar bodies (9), an inner cavity (10) is arranged inside the columnar bodies (9), and a plurality of second through holes (11) are arranged on the side face of the columnar bodies (9) at equal intervals.

2. The medical porous tantalum interbody fusion cage according to claim 1, wherein the first reinforcing rods (4) and the second reinforcing rods (5) are connected end to end in a Z shape.

3. The medical porous tantalum interbody fusion cage according to claim 1, wherein the solid end (1) is provided with an instrument groove (2) and an instrument hole (12).

4. The medical porous tantalum interbody fusion cage according to claim 1, wherein the cross-section of the cylinder (9) and the inner cavity (10) is regular hexagon.