CN216985301U - Support for shoulder and pelvis - Google Patents

Abstract

The utility model provides a support for a shoulder pelvis, and relates to the technical field of medical instruments. The glenoid support includes a support body; the surface of the glenoid is coated or embedded with a lubricating layer, and the surface of the glenoid can be in smooth transition with the glenoid; the bracket body is provided with an auxiliary connecting piece connected with the glenoid defect part. The technical effects of inducing bone ingrowth, repairing the shoulder pelvis bone defect and enhancing the mechanical strength of the shoulder pelvis are achieved.

Description

Support for shoulder and pelvis

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a glenoid support.

Background

At present, the mode of treating shoulder joint dislocation accompanied with shoulder glenoid bone defect is bone transplantation operation, such as coracoid dislocation operation, autologous bone implantation and allogenic bone implantation, but the existing operation technology has a plurality of defects, for example, the degree of fitting between a bone block and a shoulder glenoid joint surface is poor, the hardness of the transplanted bone block is high, humeral head cartilage is easy to damage, in addition, the bone block needs a donor, and operation related diseases can occur in an autologous bone block supply area, so that the treatment effect is poor.

Therefore, it is an important technical problem to be solved by those skilled in the art to provide a glenoid support with good therapeutic effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a support for a glenoid so as to solve the technical problem of poor treatment effect in the prior art.

In a first aspect, an embodiment of the present invention provides a glenoid stent, including a stent body;

one side surface of the bracket body is an arc-shaped glenoid surface, a lubricating layer is arranged on the glenoid surface, and the glenoid surface can be in smooth transition with the glenoid;

and the bracket body is provided with an auxiliary connecting piece connected with the glenoid defect part.

With reference to the first aspect, an embodiment of the present invention provides a possible implementation manner of the first aspect, wherein the outer wall of the stent body is divided into the glenoid surface, the connecting surface and the outer surface;

the shoulder and pelvis surface, the connecting surface and the outer surface are connected in sequence;

the connecting surface is connected with the glenoid defect part.

With reference to the first aspect, an embodiment of the present invention provides a possible implementation manner of the first aspect, wherein the stent body is crescent-shaped.

With reference to the first aspect, an embodiment of the present invention provides a possible implementation manner of the first aspect, wherein the auxiliary connecting member includes a connecting hole for connecting a screw;

the connecting hole is arranged on the outer surface, and penetrates through the bracket body from the connecting surface.

With reference to the first aspect, an embodiment of the present invention provides a possible implementation manner of the first aspect, where the number of the connection holes is multiple.

With reference to the first aspect, an embodiment of the present invention provides a possible implementation manner of the first aspect, wherein the auxiliary connector further includes a connection block for connecting to a glenoid defect site;

the connecting block is arranged on the connecting surface.

With reference to the first aspect, an embodiment of the present invention provides a possible implementation manner of the first aspect, wherein the connecting block is located outside the connecting hole;

or the connecting block is positioned at the connecting hole, and a through hole communicated with the connecting hole is formed in the connecting block.

With reference to the first aspect, an embodiment of the present invention provides a possible implementation manner of the first aspect, wherein the stent body is made of a polymer, a bioceramic, or a metal.

With reference to the first aspect, an embodiment of the present invention provides a possible implementation manner of the first aspect, wherein the lubricating layer is made of a polymer or a metal.

With reference to the first aspect, an embodiment of the present invention provides a possible implementation manner of the first aspect, wherein the lubricating layer is made of a bioceramic material.

Has the advantages that:

the utility model provides a support for a shoulder and pelvis, which comprises a support body; one side surface of the bracket body is an arc-shaped glenoid surface, a lubricating layer is arranged on the glenoid surface, and the glenoid surface can be in smooth transition with the glenoid; the bracket body is provided with an auxiliary connecting piece connected with the glenoid defect part.

Specifically, carry out the operation in-process, medical staff sets up the support body in the defective department of patient's shoulder pelvis bone, and auxiliary connection spare can be embedded into the defective department of patient's shoulder pelvis bone this moment to the shoulder pelvis face on the support body can with the glenoid smooth transition of patient, through such setting, can ensure to resume the anatomical integrity of shoulder pelvis, avoid shoulder joint dislocation, improve treatment.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic view of a glenoid support provided by an embodiment of the present invention mounted on a patient's bone;

FIG. 2 is a perspective view of a glenoid support provided by an embodiment of the present invention mounted on a patient's bone;

FIG. 3 is a block diagram of a first embodiment of a glenoid support provided by way of example of the present invention;

fig. 4 is a schematic view of a first embodiment of a glenoid stent provided by an embodiment of the present invention (with a lubricating layer not shown);

fig. 5 is a schematic view of a second embodiment of a glenoid stent provided by an embodiment of the present invention (with a lubricating layer not shown);

fig. 6 is a schematic diagram of a second embodiment of a glenoid support provided by an embodiment of the present invention.

Icon:

100-a stent body; 110-glenoid surface; 120-connecting face; 130-an outer surface; 140-a lubricating layer;

200-auxiliary connections; 210-a connection hole; 220-connecting block;

300-glenoid defect site.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The utility model is described in further detail below by means of specific embodiments and with reference to the attached drawings.

Referring to fig. 1, 2, 3, 4, 5 and 6, an embodiment of the present invention provides a shoulder-cup stent including a stent body 100; one side surface of the bracket body 100 is an arc-shaped glenoid surface 110, a lubricating layer 140 is arranged on the glenoid surface 110, and the glenoid surface 110 can be in smooth transition with the glenoid; the stent body 100 is provided with an auxiliary connector 200 connected to the glenoid defect site 300.

Specifically, in the operation process, medical staff sets up support body 100 in the deficient department of patient's shoulder pelvis bone, and auxiliary connector 200 can be embedded into the deficient department of patient's shoulder pelvis bone this moment to shoulder pelvis face 110 on support body 100 can with the glenoid smooth transition of patient, through such setting, can ensure to resume the anatomical integrity of shoulder pelvis, avoid shoulder joint dislocation, improve treatment.

It should be noted that the stent body 100 can fill the defect of the shoulder pelvis bone and enhance the initial mechanical strength of the shoulder pelvis; the porous structure on the stent body 100 can induce bone ingrowth, so that bone tissues are filled into the stent, and the long-term mechanical strength of the shoulder cavity is enhanced; the material used for the stent body 100 has good biocompatibility.

Wherein, the support body 100 adopts porous structure, through such setting, be convenient for support body 100 and shoulder pelvis bone growth together after the operation. In addition, auxiliary connector 200 also can adopt porous structure, is convenient for support body 100 and shoulder pelvis bone production together after the operation to through auxiliary connector 200's setting, the support body 100 can be ensured not to shift in the initial stage of the operation, avoids the shoulder pelvis face 110 of support body 100 to appear the dislocation, guarantees that the glenoid of shoulder pelvis bone is smooth not have arch, do not cut off, guarantees that support body 100 and shoulder pelvis bone are grown together.

It should be noted that the lubricating layer 140 is coated on the glenoid surface 110 of the stent body 100, and cartilage tissue is replaced by the lubricating layer 140, so that the normal function of the glenoid can be ensured without damaging other bones of the patient.

Specifically, the stent body 100 is designed to have a porous structure, which can induce bone ingrowth, thereby repairing bone defects and maintaining long-term firmness of the stent. In addition, the stent body 100 may also take other structural designs, such as solid, or a combination of solid and porous.

It is further noted that the lubricating layer 140 is a lubricating polymer coating, such as polyethylene, or the like. In addition, the lubricating layer 140 may be made of bioceramic (HA) or metal,

in addition, the material of the main structure of the bracket can be selected from metal, biological ceramic or polymer and other materials with good biocompatibility, enough mechanical strength and bone ingrowth promoting property; the lubricating layer 140 can be made of polymer, bioceramic or metal material with good biocompatibility, smooth surface and high plasticity, which can reduce the cartilage destruction of humeral head and reduce the incidence of shoulder osteoarthritis, such as ultra-high molecular weight polyethylene, polyurethane, or silicone rubber.

The polymer may be PE (polyethylene), PCL (Polycaprolactone), PLGA (polylactic-co-glycolic acid), etc.

It should also be noted that the glenoid surface 110 may be coated with the lubricating layer 140, or the glenoid surface 110 may be embedded with the lubricating layer 140.

Referring to fig. 1-6, in an alternative version of this embodiment, the outer wall of the stent body 100 is divided into a glenoid surface 110, a connecting surface 120, and an outer surface 130; the glenoid surface 110, the connecting surface 120 and the outer surface 130 are connected in sequence; connecting surface 120 connects with glenoid defect site 300.

Specifically, when the stent body 100 is installed, the connecting surface 120 of the stent body 100 is connected to the glenoid defect portion 300 of the patient, and the glenoid surface 110 of the stent body 100 smoothly transitions to the glenoid.

Referring to fig. 1-6, in an alternative embodiment, the stent body 100 has a crescent shape.

It should be noted that the stent body 100 may also be provided in a fan shape, a semi-circular shape, etc. to conform the stent body 100 to the shape of the bone defect of the patient.

Referring to fig. 1 to 6, in an alternative of the present embodiment, the auxiliary link 200 includes a link hole 210 to which a screw is linked; the connection hole 210 is provided on the outer surface 130 and penetrates the holder body 100 from the connection surface 120.

Specifically, the stent body 100 can be fixed to the glenoid defect site 300 of the patient by a screw such as a bolt through the connection hole 210.

Wherein, the number of the connection holes 210 may be provided in plurality.

It should be noted that the connection holes 210 can not only allow connection screws to pass through, but also allow other surgical instruments or consumables to pass through to fix the stent body 100 at the defective bone of the patient, for example, the connection holes 210 can also allow a titanium plate loop (ENDOBUTTON) to pass through, thereby fixing the stent body 100 at the defective bone of the patient.

It should be noted that the opening of one end of the connection hole 210 is opened on the connection surface 120, the other end of the connection hole 210 may be opened on the outer surface 130, and the other end of the connection hole 210 may be opened on the glenoid surface 110.

Referring to fig. 1-6, in an alternative embodiment, the auxiliary connector 200 further includes a connecting block 220 for insertion into the glenoid defect site 300; the connection block 220 is disposed on the connection face 120.

Specifically, a connection block 220 is disposed on the connection surface 120 of the stent body 100, and the connection block 220 can be disposed to be inserted into the shoulder pelvis bone defect of the patient, and then the stent body 100 is further fixed at the glenoid defect site 300 of the patient by a screw of a bolt.

Referring to fig. 1 to 6, in an alternative of the present embodiment, the connection block 220 is located outside the connection hole 210; or, the connecting block 220 is located at the connecting hole 210, and a through hole communicated with the connecting hole 210 is formed on the connecting block 220.

In which the connection block 220 may be provided in various forms, for example, the connection block 220 does not contact the connection hole 210, that is, the connection block 220 is a side of the connection hole 210, and a projection of the connection block 220 along a normal direction of the connection surface 120 does not contact the connection hole 210. Alternatively, the connection block 220 may be provided in a tubular shape, and then the connection block 220 may be provided at the connection hole 210.

It should be noted that the connection block 220 is disposed on the connection surface 120, and the connection block 220 is located at the outer periphery of the connection hole 210, and the connection block 220 is not in contact with the connection hole 210.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (9)

1. A glenoid support comprising: a stent body (100);

one side surface of the bracket body (100) is an arc-shaped glenoid surface (110), a lubricating layer (140) is arranged on the glenoid surface (110), and the glenoid surface (110) can be in smooth transition with a glenoid;

the support body (100) is provided with an auxiliary connecting piece (200) connected with the glenoid defect part (300).

2. The glenoid stent of claim 1, wherein an outer wall of the stent body (100) is divided into the glenoid face (110), a connecting face (120), and an outer face (130);

the glenoid surface (110), the connecting surface (120) and the outer surface (130) are connected in sequence;

the connecting surface (120) is connected with the glenoid defect part (300).

3. The glenoid stent of claim 2, wherein the stent body (100) is crescent-shaped.

4. The glenoid brace of claim 2, wherein the auxiliary connector (200) includes a connection hole (210) to which a screw is connected;

the connecting hole (210) is arranged on the outer surface (130) and penetrates through the bracket body (100) from the connecting surface (120).

5. The glenoid support according to claim 4, wherein the number of the connection holes (210) is plural.

6. The glenoid brace of claim 4, wherein the auxiliary connector (200) further includes a connection block (220) for insertion into a glenoid defect site (300) connection;

the connecting block (220) is arranged on the connecting surface (120).

7. The glenoid brace of claim 6, wherein the connection block (220) is located outside the connection hole (210);

or the connecting block (220) is positioned at the connecting hole (210), and a through hole communicated with the connecting hole (210) is formed in the connecting block (220).

8. The glenoid stent of any one of claims 1-7, wherein the stent body (100) is made of a polymer, a bioceramic, or a metal.

9. The glenoid brace according to any one of claims 1 to 7, wherein the lubricating layer (140) is made of a polymer, a bioceramic, or a metal.

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