CN219782852U

CN219782852U - Fixing support for cartilage repair

Info

Publication number: CN219782852U
Application number: CN202320892932.6U
Authority: CN
Inventors: 王耀宏; 王彬宜
Original assignee: Shanghai Lanma Biomaterials Co ltd
Current assignee: Shanghai Lanma Biomaterials Co ltd
Priority date: 2023-04-20
Filing date: 2023-04-20
Publication date: 2023-10-03
Anticipated expiration: 2033-04-20

Abstract

The utility model relates to the technical field of medical equipment, in particular to a fixing bracket for cartilage repair. The technical proposal comprises: the first PCL pressing column is installed to first clamp plate, material thin layer and outer loop, and the positive equidistance of first clamp plate has multiunit first PCL pressing column, and two sets of connecting blocks are installed at first clamp plate both ends, and first clamp plate openly is equipped with the material thin layer, and the material thin layer includes polylactic acid micropore layer, collagen material layer, alginate thin layer, and polylactic acid micropore layer bottom is equipped with the collagen material layer. The device can be firmly fixed to a designated area through the first PCL compression column, so that cartilage is limited and protected, meanwhile, the direction and speed of cartilage repair can be controlled, the cartilage repair is more orderly and regular, and the proliferation and differentiation of chondrocytes can be effectively stimulated by utilizing the good biocompatibility and biodegradability of the polylactic acid microporous layer, so that the growth and differentiation of the chondrocytes of a patient are promoted, and the regeneration and repair of cartilage tissues are accelerated.

Description

Fixing support for cartilage repair

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a fixing bracket for cartilage repair.

Background

Cartilage is a connective tissue, mainly composed of collagen fibers and cartilage matrix, and comprises collagen fibers, chondrocytes and collagen fiber exosomes, wherein the chondrocytes are the only cell types of cartilage tissues, are large-scale and polynuclear cells, and hyaline cartilage is a vascular-free tissue, and has extremely high transparency because of no collagen fibers in the matrix, and is mainly distributed on the eyeball, the nasal cavity, the throat and other parts.

The fixing bracket for cartilage repair needs to be specifically adjusted according to different patients before use, so that the workload of medical staff is increased, the use range of the fixing bracket is reduced, and meanwhile, the self air permeability of the fixing bracket is poor, so that the regeneration and repair conditions of cartilage are most likely to be affected.

Disclosure of Invention

The present utility model is directed to a fixing bracket for cartilage repair, which solves the problems set forth in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a cartilage repair uses fixed bolster, includes first clamp plate, material thin layer and outer loop, the first PCL compression leg of multiunit is installed to the positive equidistance of first clamp plate, two sets of connecting blocks are installed at first clamp plate both ends, first clamp plate openly is equipped with the material thin layer, the material thin layer includes polylactic acid micropore layer, collagen material layer, alginate thin layer, polylactic acid micropore layer bottom is equipped with the collagen material layer, the outer loop is installed in the first clamp plate outside, multiunit second PCL compression leg is installed to the positive equidistance of outer loop, the outer loop is openly kept away from the second PCL compression leg outside and is equipped with multiunit infiltration micropore, fixed bolster is installed to first clamp plate bottom.

Preferably, the front of the first pressing plate is provided with a plurality of groups of honeycomb holes at equal intervals.

Preferably, an alginate film layer is arranged at the bottom of the collagen material layer.

Preferably, a connecting groove is formed in the inner side of the outer ring.

Preferably, the front of the fixed support plate is provided with a plurality of groups of first micropores at equal intervals.

Preferably, the biological compression resistant plate is installed at the bottom of the fixed support plate, and a plurality of groups of protection micropores are formed in the front surface of the biological compression resistant plate.

Compared with the prior art, the utility model has the beneficial effects that:

1. the device can be firmly fixed to a designated area through the first PCL compression column, so that cartilage is limited and protected, meanwhile, the direction and speed of cartilage repair can be controlled, cartilage repair is more orderly and regular, and the proliferation and differentiation of chondrocytes can be effectively stimulated by utilizing good biocompatibility and biodegradability of the polylactic acid microporous layer, so that the growth and differentiation of the chondrocytes of a patient are promoted, and the regeneration and repair of cartilage tissues are accelerated.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a front cross-sectional view of the present utility model;

FIG. 3 is an exploded perspective view of a first platen of the present utility model;

FIG. 4 is a schematic view of a material film layer structure according to the present utility model;

fig. 5 is a schematic perspective view of an outer ring according to the present utility model.

In the figure: 1. a first platen; 101. a first PCL compression column; 102. honeycomb holes; 103. a connecting block; 2. a material film layer; 201. a polylactic acid microporous layer; 202. a layer of collagen material; 203. an alginate film layer; 3. an outer ring; 301. a second PCL compression column; 302. penetrating the micropores; 303. a connecting groove; 4. fixing a support plate; 401. a first microwell; 5. a biological pressure resistant plate; 501. protecting the micropores.

Detailed Description

The technical scheme of the utility model is further described below with reference to the attached drawings and specific embodiments.

Example 1

As shown in fig. 1-5, the fixing support for cartilage repair provided by the utility model comprises a first pressing plate 1, a material film layer 2 and an outer ring 3, wherein a plurality of groups of first PCL pressing columns 101 are equidistantly arranged on the front surface of the first pressing plate 1, two groups of connecting blocks 103 are arranged at two ends of the first pressing plate 1, the material film layer 2 comprises a polylactic acid microporous layer 201, a collagen material layer 202 and an alginate film layer 203, the bottom of the polylactic acid microporous layer 201 is provided with the collagen material layer 202, the outer ring 3 is arranged on the outer side of the first pressing plate 1, a plurality of groups of second PCL pressing columns 301 are equidistantly arranged on the front surface of the outer ring 3, a plurality of groups of permeation micropores 302 are arranged on the outer side of the outer ring 3, which is far away from the second PCL pressing columns 301, of the front surface of the first pressing plate 1 is provided with a fixing support plate 4.

Further, the front surface of the first pressing plate 1 is provided with a plurality of groups of honeycomb holes 102 at equal intervals.

Further, an alginate film layer 203 is provided at the bottom of the collagen material layer 202.

Further, the inner side of the outer ring 3 is provided with a connection groove 303.

Further, the front surface of the fixed support plate 4 is provided with a plurality of groups of first micropores 401 at equal intervals.

Further, a biological pressure resistant plate 5 is installed at the bottom of the fixed support plate 4, and a plurality of groups of protection micropores 501 are formed in the front face of the biological pressure resistant plate 5.

The working principle of the fixing bracket for cartilage repair based on the first embodiment is as follows: medical staff selects whether to be connected outer loop 3 through spread groove 303 with the connecting block 103 of first clamp plate 1 according to the cartilage treatment area of different patients, can make the device be applicable to most cases through the connection of outer loop 3 and first clamp plate 1, the medical staff uses the device to carry out operation rehabilitation to motionless patient and is convenient for, can firmly fix the device to appointed region through first PCL spliced pole 101, thereby carry out spacing protection to cartilage, can control cartilage prosthetic direction and speed simultaneously, make cartilage repair more orderly and regular, utilize polylactic acid micropore layer 201 self good biocompatibility and biodegradability, can effectively stimulate proliferation and differentiation of chondrocyte, thereby effectively promote regeneration and restoration of cartilage tissue, can effectively improve the diffusion rate of oxygen and nutrient through infiltration micropore 302, improve the growth and the differentiation of chondrocyte, can effectively increase the gas permeability of first clamp plate 1 through hole 102, increase the flow of gas and nutrient simultaneously.

The above-described embodiments are merely a few preferred embodiments of the present utility model, and many alternative modifications and combinations of the above-described embodiments will be apparent to those skilled in the art based on the technical solutions of the present utility model and the related teachings of the above-described embodiments.

Claims

1. A fixed bolster for cartilage repair, characterized in that: including first clamp plate (1), material film layer (2) and outer loop (3), multiunit first PCL spliced pole (101) are installed to first clamp plate (1) openly equidistance, two sets of connecting blocks (103) are installed at first clamp plate (1) both ends, first clamp plate (1) openly is equipped with material film layer (2), material film layer (2) include polylactic acid micropore layer (201), collagen material layer (202), alginate film layer (203), polylactic acid micropore layer (201) bottom is equipped with collagen material layer (202), outer loop (3) are installed in first clamp plate (1) outside, multiunit second PCL spliced pole (301) are installed to outer loop (3) openly equidistance, second PCL spliced pole (301) outside is equipped with multiunit infiltration micropore (302) are kept away from to outer loop (3) openly, fixed mounting plate (4) are installed to first clamp plate (1) bottom.

2. The cartilage repair fixation stent of claim 1, wherein: the front of the first pressing plate (1) is provided with a plurality of groups of honeycomb holes (102) at equal intervals.

3. The cartilage repair fixation stent of claim 1, wherein: an alginate film layer (203) is arranged at the bottom of the collagen material layer (202).

4. The cartilage repair fixation stent of claim 1, wherein: the inner side of the outer ring (3) is provided with a connecting groove (303).

5. The cartilage repair fixation stent of claim 1, wherein: the front of the fixed support plate (4) is provided with a plurality of groups of first micropores (401) at equal intervals.

6. The cartilage repair fixation stent of claim 1, wherein: the biological pressure resistant plate (5) is installed at the bottom of the fixed support plate (4), and a plurality of groups of protection micropores (501) are formed in the front of the biological pressure resistant plate (5).