CN206630736U - A kind of ulna coronal process prosthesis - Google Patents
A kind of ulna coronal process prosthesis Download PDFInfo
- Publication number
- CN206630736U CN206630736U CN201620979778.6U CN201620979778U CN206630736U CN 206630736 U CN206630736 U CN 206630736U CN 201620979778 U CN201620979778 U CN 201620979778U CN 206630736 U CN206630736 U CN 206630736U
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- CN
- China
- Prior art keywords
- ulna
- lag screw
- coronoid process
- main body
- screw
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Abstract
The utility model discloses a kind of ulna coronal process prosthesis, including main body, the main body lower end is provided with two lag screw fixing holes, lag screw is respectively connected with two lag screw fixing holes, lag screw lower end is provided with screw thread, and two through holes are provided with coronoid process of ulna basal part, and two lag screw lower ends are each passed through through hole, lag screw lower end is connected with the nut being engaged with screw thread, and main body is fixedly connected with coronoid process of ulna basal part by lag screw with the cooperation of nut.The ulna coronal process prosthesis is simple in construction, and it is good to rebuild effect to coronoid process of ulna comminuted fracture；Anatomical reduction elbow joint, the mobility and stability in joint are can guarantee that, be advantageous to recover the stability of elbow joint；The coronoid process prosthese can obviously reduce postoperative complications, so as to shorten the treatment time of fracture of ulna coronoid process patient, reduce the treatment pain of patient.
Description
Technical field
Medical instruments field is the utility model is related to, specifically a kind of ulna coronal process prosthesis.
Background technology
According to Regan-Morrey partings, fracture of ulna coronoid process is divided into three types, I types：Fritter is torn at the top of coronoid process
De- fracture；II type：Single or comminuted fracture, sclerite are no more than the 50% of coronoid process；III type：Single or comminuted fracture, sclerite
More than the 50% of coronoid process.The clinical manifestation of fracture of ulna coronoid process is：Ancon swells and ache, and elbow horizontal line midpoint tenderness is obvious, stretches work in the wrong
It is dynamic limited.The non-operative treatment idicatio of fracture of ulna coronoid process：First, bone piece displacement unobvious；2nd, manipulative reduction success；3rd,
Bone piece is small, does not influence function；4th, elbow joint flexing position is fixed, and the reset that relaxation brachialis is advantageous to bone piece is stable.Coronoid process of ulna
The Operation indication of fracture：First, avulsion unstable fracture；2nd, bone piece causes locked joint into articular cavity；3rd, chi is merged
Bone olecranon or trochlea humeri fracture.The conventional method for the treatment of fracture of ulna coronoid process has at present：Bone piece the greater, it can be carried on the back in ulnar side
Side is fixed with cancellous bone screw；The small person of bone piece, intersected with Kirschner wire, wire binding is fixed.But for the chi of severe comminuted
Bone coronoid process is fractured, it is necessary to carry out coronoid process reconstruction, and because coronoid process of ulna is positioned at intra-articular, coronoid process is necessary for carrying cartilage
The autologous bone in face, and that there is the bone collection of cartilage to be respectively positioned on for area is intra-articular and indispensable for respective joint for whole body.At present
In the market does not occur ulna coronal process prosthesis, and coronoid process of ulna severe fracture patient is treated using existing method,
The shortcomings that treatment time is long, curative effect is poor is not only existed, and joint destabilization, limitation of activity, Osteoarthritis, bone easily occurs
Folding disunion, healing delay or the complication such as deformity, fixation failure, elbow joint stiffness, infection and ulnar neuropathy that heal, make
Patient is subject to many pains.
Utility model content
The purpose of this utility model is to provide a kind of ulna coronal process prosthesis, to solve what is proposed in above-mentioned background technology
Problem.
To achieve the above object, the utility model provides following technical scheme：
A kind of ulna coronal process prosthesis, including main body, the main body lower end are provided with two lag screw fixing holes, two
Lag screw is respectively connected with lag screw fixing hole, lag screw lower end is provided with screw thread, set on coronoid process of ulna basal part
Two through holes are equipped with, two lag screw lower ends are each passed through through hole, and lag screw lower end is connected with the spiral shell being engaged with screw thread
Cap, main body are fixedly connected with coronoid process of ulna basal part by lag screw with the cooperation of nut.
As further program of the utility model：The length direction of the lag screw fixing hole and the lower surface of main body
Vertically.
As the utility model further scheme：The nut is cortex of bone nut.
As the utility model further scheme：Pad is installed on the lag screw, is provided with pad convex
Rise.
Compared with prior art, the beneficial effects of the utility model are：
The ulna coronal process prosthesis is simple in construction, reasonable in design, good to coronoid process of ulna comminuted fracture reconstruction effect, energy
Ensure the mobility and stability in joint；Coronoid process prosthetic replacement reduces the probability of the dislocation of the elbow joint, even in ligament injury
In the case of also do not dislocate, be advantageous to recover elbow joint stability；And Osteoarthritis, joint deadlock after wound can be reduced
Hard and ectopic ossification generation；The coronoid process prosthese can significantly reduce joint destabilization, limitation of activity, Osteoarthritis, fracture
The hair of disunion, healing delay or the complication such as deformity, fixation failure, elbow joint stiffness, infection and ulnar neuropathy that heal
It is raw, so as to shorten the treatment time of fracture of ulna coronoid process patient, reduce the treatment pain of patient.
Brief description of the drawings
Fig. 1 is the structural representation of ulna coronal process prosthesis.
Fig. 2 is the scheme of installation of ulna coronal process prosthesis.
Fig. 3 is the structural representation of the pad in ulna coronal process prosthesis.
Wherein：1- main bodys；2- lag screw fixing holes；3- lag screws；4- nuts；5- coronoid process of ulna basal parts；6-
Pad；7- is raised.
Embodiment
The technical scheme of this patent is described in more detail with reference to embodiment.
Fig. 1-3, a kind of ulna coronal process prosthesis, including main body 1 are referred to, the lower end of main body 1 is provided with two pulling force
Screw fixed hole 2, lag screw 3 is respectively connected with two lag screw fixing holes 2, the lower end of lag screw 3 is provided with screw thread, chi
Two through holes are provided with bone coronoid process basal part 5, two lower ends of lag screw 3 are each passed through through hole, and the lower end of lag screw 3 connects
The nut 4 being engaged with screw thread is connected to, main body 1 is consolidated with coronoid process of ulna basal part 5 by the cooperation of lag screw 3 and nut 4
Fixed connection.Preferably, the length direction of the lag screw fixing hole 2 is vertical with the lower surface of main body 1, pulling force is easy to use
The ulna coronal process prosthesis is fixed on coronoid process of ulna basal part 5 by screw 3.Preferably, the nut 4 is cortex of bone spiral shell
Cap, it can prevent that nut 4 causes skin bulge during elbow joint flexing；Preferably, pad 6 is installed on the lag screw 3,
Projection 7 is provided with pad 6, pad 6 can make ulna coronal process prosthesis be close to coronoid process of ulna basal part 5, make structure more firm
Gu.
Operation principle of the present utility model is：Elbow anterior lateral cervical approach is taken, makees a serpentine otch, upper elbow band before elbow
Upper 3cm, lateral margin comes downwards to band before elbow along great biceps, extends to lateral margin in brachioradialis laterally along band and extends downwardly
To 6cm, skin and hypodermis are cut, dissociates and protects nervous cutaneus antebrachii lateralis, simultaneously radiad is led cut-out bicipital aponeurosis
Open, median nerve and upper arm blood vessel are led into radiad, you can appear capsular ligament before elbow, cut capsular ligament, appear coronoid process of ulna.With
Osteotome is horizontal up to traverse furrow in coronoid process of ulna basal part osteotomy, installs the coronoid process prosthese, and regulation makes articular surface coincide, Ran Hou
Drill two holes on coronoid process of ulna basal part 5, and fixed ulna coronal process prosthesis by the cooperation of lag screw 3 and nut 4
On ulna 5.
The ulna coronal process prosthesis is simple in construction, reasonable in design, good to coronoid process of ulna comminuted fracture reconstruction effect, energy
Ensure the mobility and stability in joint；Coronoid process prosthetic replacement reduces the probability of the dislocation of the elbow joint, even in ligament injury
In the case of also do not dislocate, be advantageous to recover elbow joint stability；The coronoid process prosthese can obviously reduce joint destabilization, activity
Limited, Osteoarthritis, nonunion, healing delay or healing deformity, fixation failure, elbow joint stiffness, infection and chi
The generation of the complication such as DPN, so as to shorten the treatment time of fracture of ulna coronoid process patient, reduce the treatment pain of patient
It is bitter.
The better embodiment of this patent is explained in detail above, but this patent is not limited to above-mentioned embodiment party
Formula, can also be on the premise of this patent objective not be departed from one skilled in the relevant art's possessed knowledge
Various changes can be made.
Claims (4)
1. a kind of ulna coronal process prosthesis, it is characterised in that including main body (1), main body (1) lower end is provided with two pulling force
Screw fixed hole (2), two lag screw fixing holes (2) are interior to be respectively connected with lag screw (3), and lag screw (3) lower end is set
There is screw thread, two through holes are provided with coronoid process of ulna basal part (5), two lag screw (3) lower ends are each passed through through hole, draw
Power screw (3) lower end is connected with the nut (4) being engaged with screw thread, and main body (1) passes through pulling force with coronoid process of ulna basal part (5)
Screw (3) is fixedly connected with the cooperation of nut (4).
2. ulna coronal process prosthesis according to claim 1, it is characterised in that the length of the lag screw fixing hole (2)
It is vertical with the lower surface of main body (1) to spend direction.
3. ulna coronal process prosthesis according to claim 1, it is characterised in that the nut (4) is cortex of bone nut.
4. ulna coronal process prosthesis according to claim 1, it is characterised in that be provided with pad on the lag screw (3)
Piece (6), it is provided with pad (6) raised (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620979778.6U CN206630736U (en) | 2016-08-29 | 2016-08-29 | A kind of ulna coronal process prosthesis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620979778.6U CN206630736U (en) | 2016-08-29 | 2016-08-29 | A kind of ulna coronal process prosthesis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206630736U true CN206630736U (en) | 2017-11-14 |
Family
ID=60259851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620979778.6U Expired - Fee Related CN206630736U (en) | 2016-08-29 | 2016-08-29 | A kind of ulna coronal process prosthesis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206630736U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111938874A (en) * | 2020-06-04 | 2020-11-17 | 北京积水潭医院 | Ulna coronal process prosthesis device and installer and installing method thereof |
-
2016
- 2016-08-29 CN CN201620979778.6U patent/CN206630736U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111938874A (en) * | 2020-06-04 | 2020-11-17 | 北京积水潭医院 | Ulna coronal process prosthesis device and installer and installing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171114 Termination date: 20180829 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |