CN216985300U - A tubercle subassembly that resets for false body - Google Patents
A tubercle subassembly that resets for false body Download PDFInfo
- Publication number
- CN216985300U CN216985300U CN202122835329.8U CN202122835329U CN216985300U CN 216985300 U CN216985300 U CN 216985300U CN 202122835329 U CN202122835329 U CN 202122835329U CN 216985300 U CN216985300 U CN 216985300U
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- Prior art keywords
- tuberosity
- reduction assembly
- suture
- assembly body
- nodule
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- 230000009467 reduction Effects 0.000 claims abstract description 41
- 210000002758 humerus Anatomy 0.000 claims abstract description 6
- 230000035876 healing Effects 0.000 abstract description 8
- 210000000323 shoulder joint Anatomy 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 4
- 208000010392 Bone Fractures Diseases 0.000 description 7
- 206010017076 Fracture Diseases 0.000 description 7
- 210000000988 bone and bone Anatomy 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 210000004095 humeral head Anatomy 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 210000003205 muscle Anatomy 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 238000004873 anchoring Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 210000000513 rotator cuff Anatomy 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 206010063659 Aversion Diseases 0.000 description 1
- 208000024779 Comminuted Fractures Diseases 0.000 description 1
- 206010016228 Fasciitis Diseases 0.000 description 1
- 241001653121 Glenoides Species 0.000 description 1
- 206010020462 Humerus fracture Diseases 0.000 description 1
- 208000002103 Shoulder Fractures Diseases 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 206010020718 hyperplasia Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000008407 joint function Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- Prostheses (AREA)
Abstract
The present invention provides a tuberosity reduction assembly for a prosthesis, comprising: the tuberosity reduction assembly body, and the intertubercular sulcus on the tuberosity reduction assembly body is consistent with the intertubercular sulcus of the proximal humerus. The advantages are that: the nodule reduction assembly has certain elasticity, can generate the action of a tension band, forms a dynamic pressurization effect between fracture blocks, enhances the healing capability of nodules and improves the function of shoulder joints after operation; the large and small nodules can be anatomically reduced through the suture holes.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to a nodule reduction assembly for a half-shoulder replacement prosthesis and a preparation method thereof.
Background
After the prosthesis is installed in the existing half-shoulder joint replacement operation, the large and small tuberosity fracture blocks are reset through suture traction, and then the large and small tuberosity is annularly tied on the prosthesis handle. Part of the half-shoulder prosthesis is provided with a side wing, and the large and small nodes can be fixed on the thread holes of the side wing in a cerclage mode. But this approach does not allow for anatomical reduction and fixation of large and small nodules.
Most of recent researches report that the mobility and the function recovery of the shoulder joint after the operation of treating the proximal humerus fracture by adopting the artificial half-shoulder joint replacement are not ideal. Because the large and small nodules are usually comminuted fractures and are often accompanied by bone defects of different degrees, the reduction of the nodules is easy to cause poor due to the lack of effective anatomical landmark reference during the reduction of the large and small nodules. In addition, the annular attachment of large and small nodules to the stem of the prosthesis also tends to result in the nodules being too low and having a reduced volume. Compressive stress is required for healing of fracture blocks, and the bundled large and small nodules are pulled by rotator cuff muscles, so that the fracture blocks are separated from each other, and fiber hyperplasia is easily caused, so that non-healing or malformed healing is generated.
Due to the unpredictable nature of half shoulder replacement size nodule healing, more and more physicians choose to treat complex proximal humeral fractures with trans-total shoulder joint replacement. Trans-total shoulder replacement can improve the average level of function after shoulder surgery, but requires the prosthesis to be installed on the normal glenoid side and is difficult to revision once it fails.
SUMMERY OF THE UTILITY MODEL
The utility model provides a tuberosity reduction assembly for a prosthesis, which can be placed between a humeral head and a prosthesis handle to finally realize anatomical reduction and stable fixation of large and small tuberosity, improve the healing rate of the tuberosity and realize good recovery of shoulder joint function of a patient.
In order to realize the purpose of the utility model, the utility model provides the following technical scheme:
a tuberosity reduction assembly for a prosthesis, comprising: including the tuberosity resetting assembly body, and the intertubercular sulcus on the tuberosity resetting assembly body is unanimous with the intertubercular sulcus of proximal humerus.
Preferably, the tuberosity resetting assembly body is provided with two first suture holes corresponding to the subscapularis, one second suture hole corresponding to the infraspinatus, one third suture hole corresponding to the minor circular muscle and one fourth suture hole corresponding to the supraspinatus.
Preferably, the nodule reduction assembly body is further provided with a through hole in the middle.
Preferably, the big knot on the knot reset assembly body is located the one side of seting up No. two suture holes, No. three suture holes, and the little knot on the knot reset assembly body is located the one side of seting up a suture hole.
Preferably, five suture holes that two intervals set up are still seted up to the one side that deviates from four suture holes on the nodule reduction subassembly body.
The utility model relates to a tuberosity reduction assembly for a prosthesis, which has the advantages that:
1. the shapes of large and small nodules on the nodule reduction assembly can be used as reduction marks, suture holes are reserved on the nodule reduction assembly respectively corresponding to the shoulder sleeve footprint area, and the large and small nodules can be dissected and reduced through the suture holes;
2. the tuberosity reduction assembly can be designed in a customized mode, and the assembly form is designed according to the shoulder joint CT of a patient so as to achieve the purpose of individually reconstructing the proximal humerus anatomical structure.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model. In the drawings:
FIG. 1 is a schematic representation of the configuration of a tuberosity reduction assembly for use in a half shoulder replacement prosthesis in accordance with the present invention;
wherein:
1. the nodule reduction assembly body, 11, big nodule, 12, little nodule, through-hole 13, No. one suture hole 14, No. two suture holes 15, No. three suture holes 16, No. four suture holes 17, No. five suture holes 18.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it should be understood that they are presented herein only to illustrate and explain the present invention and not to limit the present invention.
The principle of the utility model is as follows: the big and small nodule forms on the nodule reduction assembly can be used as reduction marks, suture holes are reserved on the nodule reduction assembly corresponding to the big and small nodule fracture blocks respectively, and anatomical reduction of the big and small nodules can be realized through the suture holes. The node reduction assembly also has certain elasticity, can generate tension belt effect, forms dynamic pressurization effect between fracture blocks and enhances the healing capability of the node.
In order to achieve ideal shoulder joint mobility and function recovery after prosthesis installation in a half shoulder joint replacement surgery, the utility model provides a tuberosity reduction assembly for a prosthesis, as shown in figure 1, which comprises: the tuberosity resetting assembly body 1 and the intertubercular sulcus on the tuberosity resetting assembly body 1 are consistent with the intertubercular sulcus of the proximal humerus.
In order to make the reduction of the large and small nodules have effective anatomical marks as reference, the nodule reduction assembly body 1 is provided with two first suture holes 14 corresponding to the subscapularis, a second suture hole 15 corresponding to the infraspinatus, a third suture hole 16 corresponding to the minor teres and a fourth suture hole 17 corresponding to the supraspinatus. In order to be convenient, quick and accurate in the installation process, the middle of the nodule resetting assembly body is also provided with a through hole 13.
In a specific implementation manner, in order to realize anchoring fixation of the nodule reduction assembly, the large nodule 11 on the nodule reduction assembly body 1 is positioned on one side provided with a second suture hole 15 and a third suture hole 16, and the small nodule 12 on the nodule reduction assembly body 1 is positioned on one side provided with a first suture hole 14.
The tuberosity reduction assembly is placed between the humeral head and the prosthesis handle after the prosthesis handle is installed in the half shoulder replacement operation to fix the humeral head prosthesis. The tuberosity reduction assembly is rotated about through-hole 13 so that the intertubercular sulcus of the tuberosity reduction assembly coincides with the proximal intertubercular sulcus of the humerus. The joint of the two aponeuroses of the large and small nodules is sutured through suture holes on the large and small nodules and knotted to complete anchoring and fixing. The method comprises the following steps: two suture holes 14 corresponding to the subscapularis are horizontally knotted and fixed with sutures at a second suture hole 15 corresponding to the infraspinatus and a third suture hole 16 corresponding to the minor circular muscle at the rear, and a fourth suture hole 17 corresponding to the supraspinatus and a suture at a fifth suture hole 18 arranged at an interval are also arranged at one side deviating from the fourth suture hole 17 for vertically knotting and fixing.
When the bone piece received the tractive of raglan sleeve, node reset subassembly body 1 can reduce the bone piece aversion with the pulling force dispersion to improve the fixed stability of node. The node reduction assembly also has certain elastic deformation capacity, and when the large and small nodes generate separation tendency under the traction of the rotator cuff, the node reduction assembly can play a role of a tension band, so that a dynamic pressurization effect is formed between fracture blocks, and the healing of the fracture blocks is promoted.
Structures or principles not explicitly described in the present invention are available to those skilled in the art through conventional technical means, and thus are not described herein in detail.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the utility model. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (3)
1. A tuberosity reduction assembly for a prosthesis, characterized by: comprises a tuberosity resetting assembly body (1), and an intertubercular sulcus on the tuberosity resetting assembly body (1) is consistent with an intertubercular sulcus at the proximal end of a humerus;
the tuberosity reduction assembly body (1) is provided with two first suture holes (14) corresponding to the subscapularis, a second suture hole (15) corresponding to the infraspinatus, a third suture hole (16) corresponding to the minor teres and a fourth suture hole (17) corresponding to the supraspinatus;
big knot (11) on the knot reset assembly body (1) are located the one side of seting up No. two suture holes (15), No. three suture holes (16), and little knot (12) on the knot reset assembly body are located the one side of seting up a suture hole (14).
2. The tuberosity reduction assembly for a prosthesis of claim 1, wherein: the middle of the nodule resetting assembly body (1) is also provided with a through hole (13).
3. A tuberosity reduction assembly for a prosthesis according to claim 1, wherein: two five-stitch holes (18) arranged at intervals are further formed in one side of the nodule reduction assembly body (1) deviating from the four-stitch hole (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122835329.8U CN216985300U (en) | 2021-11-18 | 2021-11-18 | A tubercle subassembly that resets for false body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122835329.8U CN216985300U (en) | 2021-11-18 | 2021-11-18 | A tubercle subassembly that resets for false body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216985300U true CN216985300U (en) | 2022-07-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122835329.8U Expired - Fee Related CN216985300U (en) | 2021-11-18 | 2021-11-18 | A tubercle subassembly that resets for false body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216985300U (en) |
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2021
- 2021-11-18 CN CN202122835329.8U patent/CN216985300U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220719 |
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| CF01 | Termination of patent right due to non-payment of annual fee |