CN219782853U - Joint capsule repairing device - Google Patents
Joint capsule repairing device Download PDFInfo
- Publication number
- CN219782853U CN219782853U CN202320114749.3U CN202320114749U CN219782853U CN 219782853 U CN219782853 U CN 219782853U CN 202320114749 U CN202320114749 U CN 202320114749U CN 219782853 U CN219782853 U CN 219782853U
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- CN
- China
- Prior art keywords
- fixing
- joint capsule
- joint
- femur
- prosthetic device
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 210000000281 joint capsule Anatomy 0.000 title claims abstract description 57
- 210000000689 upper leg Anatomy 0.000 claims abstract description 41
- 210000000988 bone and bone Anatomy 0.000 claims abstract description 27
- 210000000588 acetabulum Anatomy 0.000 claims abstract description 18
- 210000003041 ligament Anatomy 0.000 claims description 10
- 238000009940 knitting Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 210000000527 greater trochanter Anatomy 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000007779 soft material Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 210000004394 hip joint Anatomy 0.000 abstract description 9
- 230000035876 healing Effects 0.000 abstract description 6
- 239000007943 implant Substances 0.000 abstract description 2
- 230000000399 orthopedic effect Effects 0.000 abstract description 2
- 239000002775 capsule Substances 0.000 description 6
- 238000011540 hip replacement Methods 0.000 description 3
- 210000003205 muscle Anatomy 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002513 implantation Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 230000003902 lesion Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 210000004872 soft tissue Anatomy 0.000 description 2
- 102000008186 Collagen Human genes 0.000 description 1
- 108010035532 Collagen Proteins 0.000 description 1
- 206010062575 Muscle contracture Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000010261 cell growth Effects 0.000 description 1
- 229920001436 collagen Polymers 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 208000006111 contracture Diseases 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000012010 growth Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 210000004197 pelvis Anatomy 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
- 230000004936 stimulating effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 230000017423 tissue regeneration Effects 0.000 description 1
Abstract
The utility model discloses a joint capsule repairing device, which belongs to the technical field of orthopedic implants and comprises a herringbone body, wherein the connecting ends of two branches of the herringbone body are provided with first fixing ends, the first fixing ends are femur fixing ends, the tail ends of the two branches of the herringbone body are provided with second fixing ends, and the second fixing ends are joint capsule fixing ends or acetabulum fixing ends. The joint capsule repairing device can be suitable for stable reconstruction of the hip joint replacement joint, solves the problem of damage to the stable structure of the hip joint replacement operation, can recover the stable structure of the hip joint, and has large joint and healing area of the herringbone body and the bone, and firm fixation and healing.
Description
Technical Field
The utility model relates to the technical field of orthopedic implants, in particular to a joint capsule repairing device.
Background
The hip joint of human body mainly refers to the joint of proximal femur and pelvis, which is composed of acetabulum and femoral head, and the surrounding is connected with joint capsule, muscle, etc. The joint capsule has constraint function on the hip joint, and can maintain the stability of the joint. Because the hip joint of a human body belongs to a large joint, a plurality of lesions are easy to generate due to frequent weight bearing activities, and if the lesions are serious, hip joint replacement operation is needed.
In hip replacement surgery, one side of the joint capsule (anterior joint capsule or posterior joint capsule) is usually peeled off, cut off or resected from the bone surface, and dislocation is likely to occur when the constraint of the joint capsule is lost after the prosthesis is implanted. The current method for reconstructing joint stability is to suture the residual joint capsule and the external rotation muscle group, and to punch, thread and suture and fix the proximal trochanter region of femur, which has the following disadvantages: 1. the suture part is not firm, the perforation part is easy to tear off and fracture, and satisfactory stability cannot be provided; 2. poor contact between the joint capsule and the supinator group and the femur, and failure to form good healing; 3. the joint capsule and the external rotary muscle group contracture, the joint can not be sutured to the femoral trochanter after the normal structure is restored, or the joint can be easily torn off after forced suturing.
There are no products currently available on the market for stable reconstruction of hip replacement joints. Accordingly, there is a great need to provide an articulating capsule prosthetic device suitable for stable reconstruction of hip replacement joints to provide satisfactory stability.
Disclosure of Invention
The utility model aims to provide a joint capsule repairing device which can be suitable for stable reconstruction of a hip joint replacement joint.
In order to solve the technical problems, the utility model provides the following technical scheme:
the utility model provides a joint bag prosthetic devices, includes the chevron shape body, the link of two branches of chevron shape body is equipped with first stiff end, first stiff end is the femur stiff end, the end of two branches of chevron shape body is equipped with the second stiff end, the second stiff end is joint bag stiff end or acetabular fixation end.
Further, one of the branches of the herringbone body conforms to the anatomical distribution of the iliofemoral ligament, and the other branch conforms to the anatomical distribution of the sitting femoral ligament.
Further, the femoral fixed end conforms to anatomical features behind the greater trochanter pyriform fossa of the femur.
Further, the femur fixing end is directly penetrated by a suture needle to fix the femur fixing end to the femur bone surface;
or, at least one row of bottom holes for the fixing nails or fixing wires to pass through are preformed on the femur fixing end so as to fix the femur fixing end to the femur bone surface;
or, the femur fixing end is integrally connected with a fixing nail and a fixing wire, so that the femur fixing end is fixed on the surface of femur bone.
Further, the second fixing end is a joint capsule fixing end, wherein:
the joint bag fixed end directly passes through the suture needle so as to suture and fix the joint bag fixed end and the joint bag;
or at least one row of bottom holes for the suture needle to pass through are prefabricated on the joint capsule fixing end so as to suture and fix the joint capsule fixing end and the joint capsule.
Further, the second fixation end is an acetabular fixation end, wherein:
the acetabular fixation end is directly penetrated by a suture needle to fix the acetabular fixation end to an acetabular wall bone surface;
or, at least one row of bottom holes for the fixing nails or fixing wires to pass through are prefabricated on the acetabulum fixing end so as to fix the acetabulum fixing end to the bone surface of the acetabular wall;
or, the fixed end of the acetabulum is integrally connected with a fixing nail and a fixing wire so as to fix the fixed end of the acetabulum to the surface of the bone of the acetabular wall.
Further, the herringbone body is made of soft materials with certain strength;
or the herringbone body part is of a knitting structure, and a plurality of knitting holes are formed in the surface of the herringbone body part.
Further, the chevron-shaped body is made of an absorbable material.
Further, the chevron-shaped body is of a single structure in the thickness direction thereof;
alternatively, the chevron body is layered in its thickness direction and the layered structure is joined into a single structure by process stitching or bonding or heat treatment or welding.
Further, the overall shape of the joint capsule repairing device is a shuttle-like shape or a rectangular shape or a round shape or an oval shape;
and/or, the first fixed end and the second fixed end are both in a knitted perforated structure.
The utility model has the following beneficial effects:
the joint capsule repairing device comprises a herringbone body, wherein the connecting ends of the two branches of the herringbone body are provided with first fixing ends, the first fixing ends are femur fixing ends, the tail ends of the two branches of the herringbone body are provided with second fixing ends, and the second fixing ends are joint capsule fixing ends or acetabulum fixing ends.
Drawings
FIG. 1 is a schematic elevational view of an articulating capsule prosthetic device of the present utility model;
FIG. 2 is a side view of FIG. 1;
FIG. 3 is an enlarged schematic view of the knit structure of the chevron shaped body of FIG. 1;
fig. 4 is an enlarged schematic view of the outer surface of the chevron shaped body of fig. 1.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved more apparent, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.
The utility model provides a joint capsule repairing device, which is shown in figures 1-4, and comprises a herringbone body part 1, wherein a first fixed end 2 is arranged at the connecting end of two branches of the herringbone body part 1, the first fixed end 2 is a femur fixed end, a second fixed end 3 is arranged at the tail end of two branches of the herringbone body part 1, and the second fixed end 3 is a joint capsule fixed end or an acetabulum fixed end.
The joint capsule repairing device comprises a herringbone body, wherein the connecting ends of the two branches of the herringbone body are provided with first fixing ends, the first fixing ends are femur fixing ends, the tail ends of the two branches of the herringbone body are provided with second fixing ends, and the second fixing ends are joint capsule fixing ends or acetabulum fixing ends.
The herringbone body 1 in the utility model is shaped like a herringbone according to the anatomical characteristics of the joint capsule and according to the anatomical distribution of the iliofemoral ligament and the sitting ligament and imitates the running of the physiological ligament, thus being capable of being thickened locally to form a thick part (thickened area) similar to the ligament, and when being implemented, one branch of the herringbone body 1 can conform to the anatomical distribution of the iliofemoral ligament, and the other branch conforms to the anatomical distribution of the sitting ligament; the herringbone body 1 can be an inward curved arc along the direction from the first fixed end 2 to the second fixed end 3; the herringbone body 1 can be in an inward bent arc shape along the length direction of the second fixed end 3, so that the herringbone body is better suitable for stable reconstruction of the rear part of the hip joint, and the fixation and healing are more firm. The femur fixing end preferably accords with the anatomical characteristics behind the greater trochanter pyriform fossa of the femur so that the femur fixing end is better attached to the bone surface and is more firm in fixing and healing.
To secure the femoral fixation end to the femoral bone surface, the present utility model may have the following configuration:
structural form one: the femoral fixation end may be passed directly through by a suture needle to fix the femoral fixation end to the femoral bone surface;
and the structural form II is as follows: the femur fixing end can be prefabricated with at least one row of bottom holes 5 for the fixing nails 4 or fixing wires to pass through so as to fix the femur fixing end to the femur bone surface;
and the structural form III: the femoral fixation end may be integrally connected with a fixation pin 4 and a fixation wire to fix the femoral fixation end to the femoral bone surface.
Depending on the second fixing end 3, the utility model may have the following embodiments:
example 1
The second fixation end 3 may be an articulating capsule fixation end. In order to fix the joint capsule fixing end and the joint capsule in a sewing way, the embodiment can have the following structural forms:
and the structural form is four: the joint bag fixing end can directly pass through the suture needle to fix the joint bag fixing end and the joint bag by suture or suture by a specially designed suture device;
and the structural form is five: at least one row of bottom holes 5 for the stitching needle to pass through can be prefabricated on the joint capsule fixing end so as to stitch and fix the joint capsule fixing end and the joint capsule.
Example 2
The second fixation end 3 may be an acetabular fixation end. To secure the acetabular fixation end to the acetabular wall bone surface, the present embodiment may have the following configuration:
structural form six: the acetabular fixation end may be passed directly through by a suture needle to secure the acetabular fixation end to the acetabular wall bone surface;
structural form seven: at least one row of bottom holes 5 for the fixing nails 4 or fixing wires to pass through can be prefabricated on the fixed end of the acetabulum so as to fix the fixed end of the acetabulum to the bone surface of the acetabular wall;
structural form eight: the fixed end of the acetabulum can be integrally connected with a fixing pin 4 and a fixing wire to fix the fixed end of the acetabulum to the bone surface of the acetabular wall. The acetabular fixation end in this embodiment may be a substitute for the capsule fixation end in embodiment 1 for use when the capsule is completely cut away and no capsule suture fixation is possible.
In the following, the femur fixing end adopts the fixing nail 4 with the fixing wire in the third structural form and the fixing end with the joint capsule as examples, and the implantation process is referred as follows:
after joint replacement is completed, the femur is dislocated, a row of fixing nails 4 are implanted at a proper position behind a proximal pyriform fos of the femur, a fixing wire passes through the femur fixing end of the joint capsule repairing device, the fixing wire is not tightened and knotted, then the joint is reset, the joint capsule is properly dissociated, the reconstruction device is placed in place, at least 2 rows of stitching fixation are carried out according to the overlapping position of the joint capsule and the joint capsule fixing end, the fixing wire of the femur fixing end is tightened and knotted and fixed, when the 2 nd row of fixing nails 4 of the femur fixing end are needed to be fixed, the tail part of the femur fixing end is pulled and covered on the bone surface behind the femur, and the fixing nails 4 are fixed at corresponding positions and the fixing wire of the first row of fixing nails 4 is tensioned and fixed, so that the femur fixing end and the bone surface are in a surface contact compression state, and implantation is completed.
When the acetabular fixation end is used, the fixation mode of the joint capsule fixation end is changed into at least 1 row of fixation nails 4 and fixation wires on the acetabular bone.
In the utility model, the herringbone body 1 can be made of soft materials with certain strength; the herringbone body 1 is preferably a knitted structure (see fig. 3), and a plurality of knitting holes are formed on the surface of the herringbone body to provide a support for the growth of cells and collagen fibers, and finally the herringbone body and the soft tissue are grown into a whole. The chevron shaped body 1 may be made of an absorbable material (see fig. 4) that provides stability early in the postoperative period and self-absorbs after healing of the soft tissue.
The chevron-shaped body 1 may be of a single structure in its thickness direction; the chevron-shaped body 1 may also be of layered construction in its thickness direction and the layered construction is joined into a single structure by work stitching or bonding or heat treatment or welding.
The general shape of the joint capsule repairing device can be a common shape like a fusiform shape, a rectangular shape, a round shape or an elliptic shape, and the like, and different models are provided to meet the operation requirements. The surface of the chevron shaped body 1 or the knitting holes may be filled with a supplement, the effect of which includes stimulating tissue ingrowth, promoting tissue regeneration, preventing infection at the surgical site, etc. The first fixing end 2 and the second fixing end 3 can be in a knitted perforated structure, so that better bone/joint capsule growth is facilitated, and the knitted perforation structure at the first fixing end 2 and the second fixing end 3 can be the same as or different from the knitted perforation of the herringbone body 1, and can be a perforated pitted surface or a knitted surface instead of a smooth surface.
While the foregoing is directed to the preferred embodiments of the present utility model, it will be appreciated by those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present utility model, and such modifications and adaptations are intended to be comprehended within the scope of the present utility model.
Claims (10)
1. The joint capsule repairing device is characterized by comprising a herringbone body, wherein the connecting ends of two branches of the herringbone body are provided with first fixing ends, the first fixing ends are femur fixing ends, the tail ends of the two branches of the herringbone body are provided with second fixing ends, and the second fixing ends are joint capsule fixing ends or acetabulum fixing ends.
2. The joint capsule prosthetic device of claim 1, wherein one of the branches of the chevron conforms to the anatomical distribution of the iliofemoral ligament and the other branch conforms to the anatomical distribution of the sitting ligament.
3. The joint capsule prosthetic device of claim 1, wherein the femoral fixed end conforms to anatomical features posterior to the greater trochanter pyriform fossa of the femur.
4. The joint capsule prosthetic device of claim 1, wherein the femoral fixation end is passed directly through by a suture needle to secure the femoral fixation end to a femoral bone surface;
or, at least one row of bottom holes for the fixing nails or fixing wires to pass through are preformed on the femur fixing end so as to fix the femur fixing end to the femur bone surface;
or, the femur fixing end is integrally connected with a fixing nail and a fixing wire, so that the femur fixing end is fixed on the surface of femur bone.
5. The joint capsule prosthetic device of claim 1, wherein the second fixed end is a joint capsule fixed end, wherein:
the joint bag fixed end directly passes through the suture needle so as to suture and fix the joint bag fixed end and the joint bag;
or at least one row of bottom holes for the suture needle to pass through are prefabricated on the joint capsule fixing end so as to suture and fix the joint capsule fixing end and the joint capsule.
6. The joint capsule prosthetic device of claim 1, wherein the second fixation end is an acetabular fixation end, wherein:
the acetabular fixation end is directly penetrated by a suture needle to fix the acetabular fixation end to an acetabular wall bone surface;
or, at least one row of bottom holes for the fixing nails or fixing wires to pass through are prefabricated on the acetabulum fixing end so as to fix the acetabulum fixing end to the bone surface of the acetabular wall;
or, the fixed end of the acetabulum is integrally connected with a fixing nail and a fixing wire so as to fix the fixed end of the acetabulum to the surface of the bone of the acetabular wall.
7. The joint capsule prosthetic device of claim 1, wherein the chevron body is made of a soft material having a strength;
or the herringbone body part is of a knitting structure, and a plurality of knitting holes are formed in the surface of the herringbone body part.
8. The joint capsule prosthetic device of claim 1, wherein the chevron shaped body is made of an absorbable material.
9. The joint capsule prosthetic device of claim 1, wherein the chevron shaped body is unitary in its thickness;
alternatively, the chevron body is layered in its thickness direction and the layered structure is joined into a single structure by process stitching or bonding or heat treatment or welding.
10. The joint capsule prosthetic device of claim 1, wherein the joint capsule prosthetic device is generally fusiform or rectangular or circular or oval in shape;
and/or, the first fixed end and the second fixed end are both in a knitted perforated structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320114749.3U CN219782853U (en) | 2023-01-17 | 2023-01-17 | Joint capsule repairing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320114749.3U CN219782853U (en) | 2023-01-17 | 2023-01-17 | Joint capsule repairing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219782853U true CN219782853U (en) | 2023-10-03 |
Family
ID=88180673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320114749.3U Active CN219782853U (en) | 2023-01-17 | 2023-01-17 | Joint capsule repairing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219782853U (en) |
-
2023
- 2023-01-17 CN CN202320114749.3U patent/CN219782853U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |