CN215778546U - Dissection locking device for ulna coronal process fracture - Google Patents
Dissection locking device for ulna coronal process fracture Download PDFInfo
- Publication number
- CN215778546U CN215778546U CN202120587302.9U CN202120587302U CN215778546U CN 215778546 U CN215778546 U CN 215778546U CN 202120587302 U CN202120587302 U CN 202120587302U CN 215778546 U CN215778546 U CN 215778546U
- Authority
- CN
- China
- Prior art keywords
- hole
- locking screw
- main body
- fracture
- coronal process
- 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.)
- Active
Links
Images
Landscapes
- Surgical Instruments (AREA)
Abstract
The utility model discloses an anatomical locking device for ulna coronal process fracture, which comprises a main body and a plurality of screws, wherein one end of the main body is provided with three convex blades, the three blades are of a clover structure, the direction of the middle blade is the same as that of the main body, the other two side blades are positioned at two sides of the middle blade, the blades are respectively provided with a multi-axis locking screw hole, the part of the main body, which is butted with the three blades, is provided with a single-axis locking screw hole, the middle part of the main body is provided with a sliding hole, one end of the main body, which is far away from the blades, is provided with two single-axis locking screw holes, one side, which faces the sliding hole, of the multi-axis locking screw hole on the middle blade is provided with a Kirschner wire hole, and the tail end of the main body, which is far away from the blades, is provided with a Kirschner wire hole, and the ulna coronal process is connected with a temporary fracture block through the Kirschner wire hole; a plurality of screws respectively pass through the multi-axis locking screw hole and the single-axis locking screw hole to be connected with the ulna coronal process. The device can be firmly attached to the coronal process, and can realize individualized and accurate minimally invasive fixation of the fracture block.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to an anatomical locking device for ulna coronal process fracture.
Background
The ulna coronal process is very important for maintaining the stability of the elbow joint, and at present, the ulna coronal process fracture is usually treated by clinical operation and fixed by devices such as screws, steel wires, kirschner wires or steel plates. The proximal ulna is cancellous bone, and the coronal process bone mass is mostly smaller, resulting in a higher failure rate of the operation. For example, when the screw is not firmly fixed, the bone block is easy to shift after the screw is pulled out after the operation; the bone blocks are easy to cut by only adopting steel wires for fixation, and the fixation firmness is insufficient; for small bone blocks or comminuted coronary fracture, the kirschner wire is difficult to realize effective fixing and supporting; at present, the miniature steel plate is also adopted for fixation clinically, but the problems that the steel plate is not in conformity with the special steel plate for ulna coronal process fracture are solved, the steel plate is often required to be manually corrected, the shape of the steel plate is not appropriate, the direction of a single-axis directional locking screw is single, the steel plate is easy to enter a joint cavity when being implanted, the proper Kirschner wire hole is not used for temporary fixation and the like are caused.
In view of the above, there is a need in the art for an anatomic locking device for ulnar coronal process fractures that can be applied to the treatment of various types of ulnar coronal process fractures.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides an anatomical locking device for ulnar coronal process fracture, which solves the problems of the prior art.
In order to achieve the above objects, the present invention provides an anatomical locking device for ulna coronal process fracture, which is installed on the ulna coronal process, and comprises a main body and a plurality of screws, wherein one end of the main body is provided with three convex blades, the three convex blades are in a three-blade structure, the middle blade is in the same direction as the main body, the other two side blades are positioned at two sides of the middle blade, the blades are respectively provided with a polyaxial locking screw hole, the part of the main body abutting against the three convex blades is provided with a uniaxial locking screw hole, the middle part of the main body is provided with a sliding hole, one end of the main body far away from the convex blades is provided with two uniaxial locking screw holes, one side of the polyaxial locking screw hole on the middle blade facing the sliding hole is provided with a kirschner wire hole, the end of the main body far away from the convex blades is provided with a kirschner wire hole, the kirschner wire is connected with the ulna coronal process through the kirschner wire hole to temporarily fix the fracture block; the screws respectively penetrate through the multi-axis locking screw hole and the single-axis locking screw hole to be connected with the ulnar coronal process.
Preferably, the multi-axis locking screw hole and the single-axis locking screw hole are circular holes, the sliding hole is an oblong hole, and the diameter of the kirschner wire hole is 1.5 mm.
Preferably, the middle blade is bent towards the direction far away from the ulnar coronal process, and the bending degree is 35-40 degrees; the blades on the two side edges are respectively bent towards the direction close to the ulna coronal process and are bent into the curvature of 35-40 degrees.
Preferably, the plurality of screws includes three polyaxial locking screws, three uniaxial locking screws, and one common screw, the three polyaxial locking screws pass through the three polyaxial locking screw holes respectively to be connected with the ulnar coronal process, the three uniaxial locking screws pass through the three uniaxial locking screw holes respectively to be connected with the ulnar coronal process, and the common screw passes through the sliding hole to be connected with the ulnar coronal process.
Preferably, the polyaxial locking screw and the monoaxial locking screw have a diameter of 2.0 to 2.7mm, and the general screw has a diameter of 2.5 to 3.0 mm.
Compared with the prior art, the anatomical locking device for ulna coronal process fracture disclosed by the utility model has the advantages that: the anatomical locking device for ulna coronal process fracture can be firmly attached to the coronal process; the anatomical locking device aiming at the ulna coronal process fracture can adjust the nail placing direction according to the size of the fracture block and the sagittal position of a fracture line crown, so that the individualized and accurate minimally invasive fixation of the fracture block is realized; through the facility sliding hole, a common screw can be placed for pressurization and fixation, and the coronal process fracture block is further supported, so that the plate is tightly attached to the coronal process; the device can be temporarily fixed by arranging the Kirschner wire hole.
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, 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 the drawings without creative efforts.
Fig. 1 is a schematic plan view of an anatomical locking device for ulnar coronal fracture according to the present invention.
Fig. 2 is a schematic structural view showing that the anatomical locking device for the ulnar coronal process fracture is mounted on the ulnar coronal process.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
As shown in fig. 1 and 2, an anatomical locking device for ulnar coronal process fracture of the present application, mounted on an ulnar coronal process 100, the anatomical locking device for ulna coronary fracture comprises a main body 11, a plurality of screws and a kirschner wire, wherein one end of the main body 11 is provided with three convex blades 12, the three blades 12 are in a clover structure, the middle blade 12 has the same direction as the main body 11, the other two side blades 12 are positioned at two sides of the middle blade 12, the blades 12 are respectively provided with a multi-axis locking screw hole 111, the part of the main body 11 abutting against the three blades 12 is provided with a single-axis locking screw hole 113, the middle part of the main body 11 is provided with a sliding hole 114, one end of the main body 11 away from the blades 12 is provided with two single-axis locking screw holes 113, one side of the multi-axis locking screw hole 111 on the middle blade 12 facing the sliding hole 114 is provided with a Kirschner wire hole 112, and the end of the main body 11 away from the blades 12 is provided with the Kirschner wire hole 112. The multi-axis locking screw hole 111 and the single-axis locking screw hole 113 are circular holes, the sliding hole 114 is an oblong hole, and the kirschner wire hole 112 has a diameter of 1.5 mm. A plurality of screws are respectively connected with the ulnar coronal process 100 through the multi-axis locking screw hole 111 and the single-axis locking screw hole 113, and the kirschner wire is connected with the ulnar coronal process 100 through the kirschner wire hole 112.
Specifically, the middle blade 12 is bent to the direction far away from the ulna coronal process 100 and has a curvature of 35-40 degrees, and the blades 12 on the two side edges are respectively bent to the direction close to the ulna coronal process 100 and have a curvature of 35-40 degrees, so that the normal physiological anatomical radian of the ulna coronal process 100 can be better fitted.
The plurality of screws include three polyaxial locking screws 21, three uniaxial locking screws 22, and a common screw 23, the three polyaxial locking screws 21 are respectively coupled to the ulnar coronal process 100 through three polyaxial locking screw holes 111, the three uniaxial locking screws 22 are respectively coupled to the ulnar coronal process 100 through three uniaxial locking screw holes 113, and the common screw 23 is coupled to the ulnar coronal process 100 through a slide hole 114. Wherein the diameters of the multi-axis locking screw 21 and the single-axis locking screw 22 are 2.0-2.7mm, and the diameter of the ordinary screw 23 is 2.5-3.0 mm. The multi-axis locking screw 21 can adjust the screw placing direction according to the size of the fracture block and the sagittal position of the fracture line crown, so that the individualized and accurate minimally invasive fixation of the fracture block is realized. The common screw 23 is inserted through the sliding hole 114, so that the compression fixation can be performed, the fracture block of the coronal process can be further supported, the plate is tightly attached to the coronal process, and the displacement of the plate towards the palm side can be prevented.
When the anatomical locking device for ulna coronal process fracture is used, firstly, the ulna coronal process is exposed through an antecubital nerve blood vessel clearance approach, after the collapsed fracture block is restored to satisfaction, the device of the community is placed on the ulna coronal process 100, two Kirschner wires are placed through two Kirschner wire holes 112 for temporary fixation, a C-arm machine is used for observing the position of the locking device and the recovery condition of the articular surface in a perspective way, after the position of the device is satisfied and the articular surface is recovered to be good, 1 common 2.5-3.0mm screw 23 is placed through a sliding hole 114 for pressurization and fixation, then 3 multi-axis locking screws 21 with proper length of 2.0-2.7mm in diameter and 2 single-axis locking screws 22 with proper length of 2.0-2.7mm in diameter and far away from one end of the blade 12 are sequentially placed, whether the screws need to be placed in the single-axis locking 113 screw holes at one end of the butt-joint blade 12 is determined according to the fracture block shape and the fracture line position, to enhance the fixation.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. An anatomical locking device for ulna coronal process fracture is arranged on an ulna coronal process, it is characterized by comprising a main body and a plurality of screws, wherein one end of the main body is provided with three convex blades which are of a clover structure, the direction of the middle blade is the same as that of the main body, the vanes on the other two sides are positioned on two sides of the vane in the middle, the vanes are respectively provided with a multi-axis locking screw hole, the part of the main body abutting three blades is provided with a uniaxial locking screw hole, the middle part of the main body is provided with a sliding hole, the end of the main body far away from the blade is provided with two uniaxial locking screw holes, one side of the multiaxial locking screw hole on the middle blade facing the sliding hole is provided with a Kirschner wire hole, the tail end of the main body, which is far away from the blade, is provided with a Kirschner wire hole, and the Kirschner wire is connected with the ulna coronal process through the Kirschner wire hole to temporarily fix the fracture block; the screws respectively penetrate through the multi-axis locking screw hole and the single-axis locking screw hole to be connected with the ulnar coronal process.
2. The anatomical locking device for an ulnar coronal fracture as recited in claim 1, wherein the polyaxial locking screw hole and the monoaxial locking screw hole are circular holes, the sliding hole is an oblong hole, and the kirschner wire hole has a diameter of 1.5 mm.
3. The anatomical locking device for an ulnar coronal fracture as recited in claim 1, wherein said medial blade is bent away from said ulnar coronal process at a 35-40 ° degree of curvature; the blades on the two side edges are respectively bent towards the direction close to the ulna coronal process and are bent into the curvature of 35-40 degrees.
4. The anatomical locking device for an ulnar coronal fracture as recited in claim 1, wherein said plurality of screws includes three polyaxial locking screws, three monoaxial locking screws and a common screw, three of said polyaxial locking screws are respectively passed through three of said polyaxial locking screw holes to be coupled with the ulnar coronal process, three of said monoaxial locking screws are respectively passed through three of said monoaxial locking screw holes to be coupled with the ulnar coronal process, and said common screw is passed through said slide hole to be coupled with the ulnar coronal process.
5. The anatomical locking device for an ulnar coronal fracture as recited in claim 4, wherein the polyaxial locking screw and the monoaxial locking screw have a diameter of 2.0-2.7mm, and the common screw has a diameter of 2.5-3.0 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120587302.9U CN215778546U (en) | 2021-03-23 | 2021-03-23 | Dissection locking device for ulna coronal process fracture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120587302.9U CN215778546U (en) | 2021-03-23 | 2021-03-23 | Dissection locking device for ulna coronal process fracture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215778546U true CN215778546U (en) | 2022-02-11 |
Family
ID=80162244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120587302.9U Active CN215778546U (en) | 2021-03-23 | 2021-03-23 | Dissection locking device for ulna coronal process fracture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215778546U (en) |
-
2021
- 2021-03-23 CN CN202120587302.9U patent/CN215778546U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103126731B (en) | Exposure device for vertebral column back-way small-incision paraspinal muscle clearance admission passage | |
| CN103110437B (en) | Exposure device for spinal posterior minimally invasive surgery nailing | |
| US9566104B2 (en) | Reduction forceps with dual 90°-deformation for distribution among two planes | |
| EP3267915B1 (en) | Open latarjet for correction of anterior-inferior glenoid bone loss | |
| CN102551863B (en) | Anatomical humerus bridge-type bone fracture plate | |
| US20240058043A1 (en) | Bone fixation implants | |
| Kucukkaya et al. | Correction of complex lower extremity deformities with the use of the Ilizarov-Taylor spatial frame | |
| CN215778546U (en) | Dissection locking device for ulna coronal process fracture | |
| CN102551862A (en) | Anatomical tibia far-end inner-side bridge-type bone fracture plate | |
| JP2017520350A (en) | Fixation device for proximal humerus | |
| CN209490075U (en) | 7 type metal abnormal shape dissection of fracture of scapula back side/locking steel plate | |
| CN107280751B (en) | Scapula outside edge anatomical locking plate for scapula fracture and application thereof | |
| CN103110438B (en) | Distraction maintenance device for small incision for posterior minimally invasive screw fixation for vertebral column of patient | |
| CN215778565U (en) | Fracture reduction forceps for orthopedics and traumatology | |
| EP3348217A1 (en) | Plate for synthesis of a bone fracture and kit comprising such a plate | |
| CN110478024B (en) | Auxiliary reduction internal fixing device for femoral neck fracture | |
| CN209789984U (en) | Tibia far-end posterolateral dissection locking bone fracture plate | |
| CN201912212U (en) | Anatomical humerus far-end inner-side bridge bone bonding plate | |
| US20030009192A1 (en) | Forceps used for the surgical reduction of fractured facial bones | |
| CN208582487U (en) | A kind of fixed device of the minimally invasive Laminoplasty of double door | |
| WO2019221265A1 (en) | Treatment tool | |
| CN212261487U (en) | Anatomical bone fracture plate for acromion fracture and internal fixation system comprising same | |
| CN220385183U (en) | Single door surgical instrument bag | |
| CN215534951U (en) | Internal implantation device for dislocation and fracture of sternoclavicular joint | |
| CN204971529U (en) | Two nails hook metaphysis pressurization fixer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |