CN211271089U - Implanted anatomical elbow joint stabilizer - Google Patents
Implanted anatomical elbow joint stabilizer Download PDFInfo
- Publication number
- CN211271089U CN211271089U CN201921466931.5U CN201921466931U CN211271089U CN 211271089 U CN211271089 U CN 211271089U CN 201921466931 U CN201921466931 U CN 201921466931U CN 211271089 U CN211271089 U CN 211271089U
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- humerus
- ulna
- elbow joint
- stabilizer
- Prior art date
- 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.)
- Withdrawn - After Issue
Links
- 210000002310 elbow joint Anatomy 0.000 title claims abstract description 46
- 239000003381 stabilizer Substances 0.000 title claims abstract description 13
- 210000002758 humerus Anatomy 0.000 claims abstract description 39
- 210000000623 ulna Anatomy 0.000 claims abstract description 21
- 210000002320 radius Anatomy 0.000 claims abstract description 16
- 230000000694 effects Effects 0.000 claims abstract description 14
- 241000131317 Capitulum Species 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 12
- 210000002221 olecranon process Anatomy 0.000 claims abstract description 10
- 239000007943 implant Substances 0.000 claims description 12
- 210000000988 bone and bone Anatomy 0.000 claims description 6
- 229910000946 Y alloy Inorganic materials 0.000 claims description 5
- QARPMOZVUAXFLO-UHFFFAOYSA-N [Mg].[Y].[Ag] Chemical compound [Mg].[Y].[Ag] QARPMOZVUAXFLO-UHFFFAOYSA-N 0.000 claims description 5
- 238000005452 bending Methods 0.000 abstract description 5
- 238000002360 preparation method Methods 0.000 abstract description 2
- 230000001338 necrotic effect Effects 0.000 abstract 1
- 238000011084 recovery Methods 0.000 description 4
- 206010023204 Joint dislocation Diseases 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 208000015181 infectious disease Diseases 0.000 description 3
- 206010040893 Skin necrosis Diseases 0.000 description 2
- 206010048038 Wound infection Diseases 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011505 plaster Substances 0.000 description 2
- 210000000658 ulnar nerve Anatomy 0.000 description 2
- 206010053555 Arthritis bacterial Diseases 0.000 description 1
- 208000032544 Cicatrix Diseases 0.000 description 1
- 206010011985 Decubitus ulcer Diseases 0.000 description 1
- 206010049811 Extraskeletal ossification Diseases 0.000 description 1
- 208000034970 Heterotopic Ossification Diseases 0.000 description 1
- 206010060820 Joint injury Diseases 0.000 description 1
- 208000005137 Joint instability Diseases 0.000 description 1
- 206010023230 Joint stiffness Diseases 0.000 description 1
- 208000026137 Soft tissue injury Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 206010052428 Wound Diseases 0.000 description 1
- 210000001264 anterior cruciate ligament Anatomy 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 210000000845 cartilage Anatomy 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000001054 cortical effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002224 dissection Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 210000003414 extremity Anatomy 0.000 description 1
- 210000003195 fascia Anatomy 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 210000000629 knee joint Anatomy 0.000 description 1
- 210000003041 ligament Anatomy 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 206010033675 panniculitis Diseases 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 238000002271 resection Methods 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
- 230000037387 scars Effects 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 210000004304 subcutaneous tissue Anatomy 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
- 210000001364 upper extremity Anatomy 0.000 description 1
Images
Landscapes
- Prostheses (AREA)
Abstract
The utility model provides an embedded anatomical form elbow joint stabilizer, is including putting into the humerus capitulum axis of rotation intracardiac, as the horizontal pole of humerus rotation axis, through the fixed plate of fix with screw on ulna olecranon and the connecting rod of being connected the horizontal pole with the fixed plate, be equipped with the interval between connecting rod and ulna, radius and the humerus, the interval makes when bending and stretching the activity connecting rod and ulna, radius and humerus noninterfere, horizontal pole, connecting rod, fixed plate and screw are the degradable material preparation of implanting and form, can keep bending and stretching the activity after this device operation, and can maintain elbow joint stability under bending and stretching the activity, do not influence the outward appearance and wear the clothes after the operation, do not have the needle and infect, reduce wound and infect and the necrotic risk of skin, need not the secondary operation and take.
Description
Technical Field
The utility model relates to the field of medical equipment, especially, relate to an implanted dissection type elbow joint stabilizer.
Background
Instability of the elbow joint caused by injury or loosening surgery is difficult to manage in orthopaedic clinical work. If the elbow joint is unstable and is not fixed, the function of the upper limb of the patient is affected; if not properly treated, it is easy to cause two or more operations, which will add additional pain to the patient. The following cases all pertain to a complex example of an elbow instability: 1. injury to the triple elbow joint and unstable coronal fracture; 2. dislocation of the elbow joint with severe soft tissue injury; 3. patients with stiff elbow joints are after undergoing complete loosening of the soft tissue surrounding the joint and/or resection of ectopic ossification. The above complicated elbow joint injury may remain unstable after bony structural fixation and ligament repair, and the conventional treatment methods for elbow joint instability include: 1. directly adopting a Kirschner wire to nail the elbow joint; 2. the bent position is fixed by a plaster splint or a brace, and 3, the bent position is fixed by an external fixing frame. However, joint cartilage is easily damaged when elbow joints are directly fixed by the Kirschner wires, purulent arthritis is caused by infection of needle channels, and a large reaction force can be given to steel needles for fixation by natural contraction force of elbow muscles, so that the elbow joints are not firmly fixed and the Kirschner wires are broken; plaster splints and braces also fail to provide adequate stability, especially for obese patients, with poor fixation; more importantly, the elbow joint is fixed in a static state in the above mode, the elbow joint cannot perform flexion and extension activities, and long-time braking can cause the elbow joint of a patient to be stiff again and the flexion and extension activities to be limited. Although the articulated external fixator can stabilize the elbow joint to prevent dislocation and ensure the flexion and extension activities of the elbow joint in the postoperative rehabilitation stage, the external fixator is large and heavy, the upper arm is arranged to influence the beauty and clothes wearing of the patient, the patient is difficult to suffer due to the action of gravity, and the articulated external fixator also has higher incidence of needle path pain, infection and looseness, and risks of damaging the radius and spirit and the like during nail placement.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects of the prior art and provides an implanted anatomical elbow joint stabilizer which can keep the flexion and extension activities after the operation and can maintain the stability of the elbow joint under the flexion and extension activities, does not influence the appearance and the clothes wearing of the elbow after the operation, does not have the needle passage infection and reduces the risks of wound infection and skin necrosis.
The utility model provides an implanted anatomical form elbow joint stabilizer, is including putting into the interior, as the horizontal pole of humerus rotation axis of rotation of humerus capitulum, through the fixed plate of fix with screw on ulna olecranon and the connecting rod of being connected the horizontal pole with the fixed plate, be equipped with the interval between connecting rod and ulna, radius and the humerus, the interval makes when bending and stretching the activity connecting rod and ulna, radius and humerus noninterfere. This device utilizes simple structure to make the horizontal pole as the pivot when ulna rotates around the humerus, the ulna is then stabilized to the fixed plate, prevent that elbow joint ulna slides away from the humerus under the activity of flexion and extension, elbow joint's stability has been guaranteed, it is fast to make the dislocation of elbow joint patient resume, and elbow joint is mobile during the recovery period, influence little to normal life, do not have the risk that elbow joint is stiff and straight after resuming, and this device is small moreover, put into the internal outward appearance and dress of not influencing completely, no needle channel infects, reduce wound infection and the risk of skin necrosis.
Furthermore, horizontal pole, connecting rod be integrated into one piece, horizontal pole, connecting rod, fixed plate and screw are the degradable implant material preparation and form, and preferred horizontal pole, connecting rod, fixed plate and screw adopt bone fixation magnesium silver yttrium alloy implant material. The degradable implant material is adopted, and the implant can be implanted once without taking out the implant after a secondary operation, so that the pain of a patient is greatly reduced.
Furthermore, the diameter of the cross rod and the connecting rod is 2.0-2.5mm, the length of the fixing plate is 15-25mm, the width is 8-10mm, and the thickness is 1.0-2.0 mm.
Further, the length of the cross bar is 30-45 mm.
Further, the distance between the connecting rod and the ulna, the radius and the humerus is 1-3 mm.
By adopting the technical means, the utility model has simple structure and is integrated into one piece, the elbow joint can be placed in the device only by drilling holes in the humerus capitulum rotating circle center and the ulna olecranon during operation, the device comprises a cross rod placed in the humerus capitulum rotating circle center, the cross rod is connected with a fixed plate through a connecting rod, the fixed plate is fixed on the ulna olecranon, the cross rod is used as a rotating shaft when the ulna rotates around the humerus by utilizing the simple structure, the ulna is stabilized by the fixed plate, the ulna is prevented from sliding away from the humerus under the bending and stretching movement of the elbow joint, the stability of the elbow joint is ensured, the recovery speed of a patient with the elbow joint dislocation is high, the elbow joint can be moved during the recovery period, the influence on normal life is small, the risk of the elbow joint stiffness after recovery is avoided, in addition, the device is completely placed in the body without influencing the appearance and, the structure is made of degradable implant materials, can be automatically degraded in vivo, does not need to be taken out after a secondary operation, and greatly reduces the pain of patients.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a back side view of the elbow joint after the present invention is placed thereon.
Fig. 3 is a top view of the elbow joint of the present invention after being placed thereon.
Fig. 4 is a side view of the posterior ruler placed on the elbow joint of the present invention.
Fig. 5 is a radial view of the elbow joint.
Fig. 6 is a rear-front side view of the elbow joint of the present invention.
The icons are marked as: 1. the humerus fixing device comprises a cross rod, 2, a connecting rod, 3, a fixing plate, 4, a fixing hole, 5, a humerus capitulum, 6, an ulna olecranon, 7, a humerus pulley, 8 and a radius head.
Detailed Description
The present invention is further described in detail with reference to the accompanying drawings and embodiments, and in order to more clearly illustrate the embodiments of the present patent or the technical solutions in the prior art, the drawings required for 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 only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
As shown in fig. 1 to 6, the internal implanted anatomical elbow stabilizer comprises a cross rod 1 which is placed in the rotation axis of a small head 5 of a humerus and is used as a rotation axis of the humerus, a fixing plate 3 which is fixed on an olecranon 6 of the ulna through screws, and a connecting rod 2 which connects the cross rod 1 with the fixing plate 3, wherein a distance is arranged between the connecting rod 2 and the ulna, the radius and the humerus, the distance is such that the connecting rod 2 does not interfere with the ulna, the radius and the humerus during flexion and extension activities, and the distance between the connecting rod 2 and the ulna, the radius and the humerus is 1-3mm, so that the connecting rod 2 does not touch the ulna, the radius and the humerus during flexion and extension activities of the elbow joint, and does not protrude too much from the ulna, the radius and; the cross rod and the connecting rod are integrally formed and then fixed with the fixing plate 3 or the cross rod 1, the connecting rod 2 and the fixing plate 3 are integrally formed, the bent shape of the connecting rod 2 takes the position of the fixing plate 3 fixed on the olecranon 6 of the ulna and the position of the cross rod 1 placed in the rotation axis of the small head 5 of the humerus as the reference, and the cross rod and the connecting rod can be customized according to the shape of the bone of a patient in order to obtain better operation effect.
As an embodiment of the present device, the cross rod 1, the connecting rod 2, the fixing plate 3 and the screw are all bone fixation magnesium silver yttrium alloy implant materials, in this embodiment, the bone fixation magnesium silver yttrium alloy implant materials are described in patent numbers: CN201510833664.0 prepares the low-notch anatomical degradable bone fixation magnesium silver yttrium alloy implant material through ingot metallurgy, polishing and other methods, adopts the degradable implant material, can be implanted once, does not need to be taken out through secondary operation, and greatly reduces the pain of patients.
In the embodiment, the specific size of the device is set according to the size of elbow joints of most people, the diameter of the cross rod 1 and the connecting rod 2 is 2.0-2.5mm, the length of the cross rod 1 is 30-45mm, the length of the fixing plate 3 is 15-25mm, the width is 8-10mm, and the thickness is 1-2 mm.
The device is specifically arranged in a mode that: taking old elbow joint dislocation as an example, a patient adopts a lateral decubitus position during operation, a diseased limb is placed on a lateral support frame of an operation table, an approach behind an elbow joint is adopted, skin and subcutaneous tissues are incised, a humeral pulley 7 is exposed on the ulnar side, an ulnar nerve is dissociated and protected, a kocher approach is adopted on the radial side to expose a capitulum radialis and a capitulum humerus 5, fascia is incised on two sides of a tendon of a triceps brachii, and scars among an olecranal 6 fossa of the elbow joint, a head of the radius 8 and the capitulum humerus 5 are incised and completely released. The knee joint anterior cruciate ligament reconstruction guider is used and respectively arranged at the rotating circle center of the humerus capitulum 5 and the anterior lower edge of the humerus medial condyle, a hole is drilled along the rotating circle center of the humerus capitulum 5 by adopting a 2.5 or 3.0mm Kirschner wire, then the elbow joint is reset, the cross rod 1 of the device is inserted into the drilled hole at the circle center of the humerus capitulum 5 after the humerus joint and the brachial and radial joint are matched, and then the part of the fixing plate 3 is rotated, so that the fixing plate 3 is just attached to the olecranon 6. The olecranon 6 is drilled and measured in depth along the fixing hole 4 of the fixing plate 3 using a 2.5mm drill, and then 2 cortical screws with a diameter of 3.5mm are screwed in. If the cross rod 1 is inserted into the small head 5 of the humerus for too long, the small head is cut short in the operation, so that the end part of the cross rod 1 does not penetrate through the humerus pulley, and the ulnar nerve is prevented from being damaged. The elbow joint was then examined for stability during the operation, and the wound was cleaned and sutured if no further dislocation occurred.
In addition, it should be noted that the present invention is not limited to the above embodiments, as long as the specific size or shape of the component is not specified, the component can be any size or shape corresponding to the structure, and no matter there is any change in the material composition, all the structural designs provided by the present invention are a variation of the present invention, which should be considered within the protection scope of the present invention.
Claims (6)
1. An implantable anatomical stabilizer for an elbow joint, comprising: including put into the humerus capitulum (5) axis of rotation intracardiac, as horizontal pole (1) of humerus rotation axis, through fixed plate (3) of fix with screw on ulna olecranon (6) and connecting rod (2) of being connected horizontal pole (1) with fixed plate (3), be equipped with the interval between connecting rod (2) and ulna, radius and the humerus, the interval makes when crooking and stretching the activity connecting rod (2) and ulna, radius and humerus noninterfere.
2. The implantable anatomical elbow stabilizer of claim 1, wherein: the transverse rod (1) and the connecting rod (2) are integrally formed, and the transverse rod (1), the connecting rod (2), the fixing plate (3) and the screws are made of degradable implant materials.
3. The implantable anatomical elbow stabilizer of claim 2, wherein: the cross rod (1), the connecting rod (2), the fixing plate (3) and the screws are made of bone fixing magnesium-silver-yttrium alloy implant materials.
4. The implantable anatomical elbow stabilizer of claim 1, wherein: the diameters of the cross rod (1) and the connecting rod (2) are 2.0-2.5mm, the length of the fixing plate (3) is 15-25mm, the width is 8-10mm, and the thickness is 1-2 mm.
5. The implantable anatomical elbow stabilizer of claim 4, wherein: the length of the cross rod (1) is 30-45 mm.
6. The implantable anatomical elbow stabilizer of claim 3, wherein: the distance between the connecting rod (2) and the ulna, the radius and the humerus is 1-3 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921466931.5U CN211271089U (en) | 2019-09-05 | 2019-09-05 | Implanted anatomical elbow joint stabilizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921466931.5U CN211271089U (en) | 2019-09-05 | 2019-09-05 | Implanted anatomical elbow joint stabilizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211271089U true CN211271089U (en) | 2020-08-18 |
Family
ID=72027320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921466931.5U Withdrawn - After Issue CN211271089U (en) | 2019-09-05 | 2019-09-05 | Implanted anatomical elbow joint stabilizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211271089U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110575240A (en) * | 2019-09-05 | 2019-12-17 | 中南大学湘雅医院 | Implanted anatomical elbow joint stabilizer |
-
2019
- 2019-09-05 CN CN201921466931.5U patent/CN211271089U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110575240A (en) * | 2019-09-05 | 2019-12-17 | 中南大学湘雅医院 | Implanted anatomical elbow joint stabilizer |
| CN110575240B (en) * | 2019-09-05 | 2024-04-26 | 中南大学湘雅医院 | Internally-implanted anatomic elbow joint stabilizer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Ring et al. | Fracture of the anteromedial facet of the coronoid process: surgical technique | |
| Seo et al. | Anatomic reconstruction of the distal radioulnar ligament for posttraumatic distal radioulnar joint instability | |
| CN211271089U (en) | Implanted anatomical elbow joint stabilizer | |
| CN110575240A (en) | Implanted anatomical elbow joint stabilizer | |
| US9820786B2 (en) | Knee hinge fixation apparatus and method for application thereof | |
| Holt et al. | Tibialis anterior tendon transfer for relapsing idiopathic clubfoot | |
| RU2414865C1 (en) | Method of surgical treatment of multi-fragmental fractures of shoulder head and/or neck | |
| Oh et al. | New modified technique of osteotomy for hallux valgus | |
| CN214761417U (en) | Bone fracture plate for fixing posterior ankle fracture | |
| Kumar et al. | Titanium elastic nails for pediatric femur fractures: Clinical and radiological study | |
| Liu et al. | Treatment of traumatic knee stiffness with Ilizarov stretcher | |
| Fossum et al. | Ulnar Collateral Ligament (UCL) Reconstruction With Proximal Single-Tunnel Suspensory Fixation | |
| RU2698614C1 (en) | Method of treating severe foot deformation in patients over 12 years of age with charcot-marie-tooth disease | |
| Krishnamurthy et al. | Evaluation and outcome of surgical management of supracondylar fracture humerus with intercondylar extension in adults | |
| CN108635058B (en) | Shin bone rear side blood vessel nerve protector | |
| Kocheta et al. | Landmark Technique for a Wrist Block | |
| RU2163787C1 (en) | Method for treating patients having intra-articular fractures of tibia | |
| Hayden | Harvest and clinical application of the fibula flap: Editorial review | |
| He et al. | CLINICAL EFFECT OF ARTHROSCOPIC TREATMENT OF ANTERIOR CRUCIATE LIGAMENT AVULSION FRACTURE WITH GATE-SHAPED KIRSCHNER WIRE | |
| Basile et al. | Radial head prosthesis disassembly: case report and medico-legal implications. | |
| Kadwad et al. | A prospective observational study of 30 patients of avulsion fracture treated with tension band wiring followed up to 6 months | |
| Leschinger et al. | Radial Head Fractures | |
| Coventry | Valgus osteotomy of the upper tibia | |
| Yang et al. | The efficacy of modified Ishiguro method in the treatment of mallet finger | |
| Aslam et al. | Functional Outcome of Paediatric Diaphyseal Fractures of Femur Treated with Closed Reduction and Multiple K Wire Fixation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200818 Effective date of abandoning: 20240426 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20200818 Effective date of abandoning: 20240426 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |