CN210056198U - Distal humerus posterolateral locking bone fracture plate - Google Patents
Distal humerus posterolateral locking bone fracture plate Download PDFInfo
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- CN210056198U CN210056198U CN201920083785.1U CN201920083785U CN210056198U CN 210056198 U CN210056198 U CN 210056198U CN 201920083785 U CN201920083785 U CN 201920083785U CN 210056198 U CN210056198 U CN 210056198U
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Abstract
The application discloses outer side locking coaptation board behind humerus distal end, head and body including integrated into one piece, the head by the body top extends out, and the width of head is greater than the width of body, the head with the body central line is the axle, to outer slope and spiral rotation behind the humerus distal end, and the head is equipped with 8 screw holes, and the body is equipped with 4 locking pressurization holes at least, and the axis of 1 st to 3 rd screw hole is 86.4 °, 88.1 ° and 88.6 respectively with the axis of 4 th locking pressurization hole, and the axis of 1 st to 3 rd screw hole is in projection angle on the 4 th locking pressurization hole department longitudinal section is 84.7 °, 88.1 ° and 87.2 respectively, the axis of 1 st to 3 rd screw hole is in projection angle on the 4 th locking pressurization hole department cross section is 85.1 °, 75.7 ° and 88.3 respectively. The application has good anatomical performance and convenient operation.
Description
Technical Field
The application relates to novel first-aid and rehabilitation devices and technologies, in particular to a humerus far-end back-outer side locking bone fracture plate.
Background
The human humeral condyle looks like a wide and flat fan, and is easy to fracture due to its thinness, and has more kinds of fractures, for example: intercondylar humeral fracture, supracondylar humeral fracture, and intercondylar humeral fracture with supracondylar humeral fracture, and in addition, intercondylar humeral fracture with humeral shaft fracture is also frequently encountered clinically. In the prior art, a Y-shaped steel plate is mostly used for treating humeral condyle fractures, but with the advancement of time and technology, the following defects of the Y-shaped plate are found clinically: 1) the trauma is large, statistics shows that the humeral condyle fracture is abundant in children, and the children are in the growth and development stage, so that the requirement on reducing the trauma is higher; 2) the Y-shaped plate provided by a manufacturer is basically a flat plate, and when in operation, a doctor can shape the plate according to the bone condition of a patient, so that the operation is troublesome and the operation time is prolonged; 3) the plate breaking rate is high, and manufacturers generally adopt materials with low strength and low hardness to facilitate the shaping of doctors, so that the plates are easy to break. In addition, if the Y-shaped plate is adopted to treat intercondylar fracture and supracondylar fracture, the intercondylar fracture line has poor stability from the mechanical aspect, and is easy to generate up-and-down dislocation, thereby influencing the speed of fracture healing. The steel plate is not healed for a long time and has up and down dislocation, and the steel plate is easy to generate fatigue fracture after a long time.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a locking coaptation board in outer side behind the distal end of humerus to overcome not enough among the prior art.
In order to achieve the above object, the utility model provides a following technical scheme:
the embodiment of the application discloses outer locking coaptation board behind humerus distal end, outer locking coaptation board behind humerus distal end is close to humerus lateral surface and is concave shape, head and somatic part including integrated into one piece, the head by the somatic part top extends, the width of head is greater than the width of somatic part, the head with the somatic part central line is the axle, to outer slope and spiral rotation behind the humerus distal end, the head is equipped with 8 screw holes, the somatic part is equipped with 4 locking pressurization holes at least, the axis of 1 st to 3 rd screw hole is 86.4 °, 88.1 ° and 88.6 respectively with the axis of 4 th locking pressurization hole, the axis of 1 st to 3 rd screw hole is in projection angle on the 4 th locking pressurization hole department's longitudinal section is 84.7 °, 88.1 ° and 87.2 respectively, the axis of 1 st to 3 rd screw hole is in projection angle on the 4 th locking pressurization hole department's cross section is 85.1 ° (for respectively), 75.7 deg. and 88.3 deg..
Preferably, in the above humerus distal end posterolateral locking bone plate, the 1 st screw hole is a 2.5mm screw hole, the 2 nd to 8 th screw holes are 2.7mm screw holes, and the locking compression holes are all 3.5mm locking compression holes.
Preferably, in the above-mentioned distal humerus posterolateral locking bone plate, the 1 st to 3 rd screw holes are arranged in a triangular shape.
Preferably, in the above-described distal humerus posterolateral locking bone plate, the thickness of the distal humerus posterolateral locking bone plate is 3.2 mm.
Preferably, in the above-mentioned distal humerus posterolateral locking bone plate, the distal humerus posterolateral locking bone plate is made of a medical titanium material.
Compared with the prior art, the utility model has the advantages of: the utility model discloses an outer side locking coaptation board behind humerus distal end is dissected well, and the operation is convenient. The head part of the humerus fixing device is attached to the back side and the outer side of the humerus end in a wrapping mode, so that the humerus fixing device not only accords with anatomical parameters of a bone surface, but also has good stability; meanwhile, the resetting is accurate, the fixing is reliable, the pain of the patient is reduced, the design structure is simple and stable, and the processing cost is low; the medical titanium material is adopted for manufacturing, so that the biocompatibility is good; simple operation and convenient clinical application and popularization.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be 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 described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural view of a distal posterolateral humeral locking bone plate according to an embodiment of the present invention.
Fig. 2 is a top view of a distal posterolateral humeral locking bone plate according to an embodiment of the present invention.
Fig. 3 is an isometric view of a distal posterolateral humeral locking plate of an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described in detail below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1 to 3, the distal humerus posterior-lateral locking bone plate in the embodiment is made of a medical titanium material with a thickness of 3.2mm, and has good biocompatibility, the distal humerus posterior-lateral locking bone plate is concave on the end surface close to one side of the humerus, and includes a head portion and a body portion which are integrally formed, the head portion extends from the top end of the body portion, the width of the head portion is larger than the width of the body portion, the head portion inclines and spirally rotates towards the posterior lateral side of the distal humerus with the center line of the body portion as an axis, when the body portion is attached to the far side of the humerus shaft, the head portion is attached to the posterior side and the outer side of the humerus end in a wrapping manner, the attachment is convenient, the stability is good, the head portion is provided with 8 screw holes, which are respectively a 1 st to 8 th screw holes 1 to 8 th screw holes, wherein the 1 st to 3 rd, establishing a coordinate system by taking the axis of the 4 th locking pressurizing hole 12 as a Z axis, the axis of the 4 th locking pressurizing hole 12 pointing to the tail end of the body as an X axis and the side of the center of the 4 th locking pressurizing hole 12 facing away from the head as a Y axis, wherein the axes of the 1 st to 3 rd screw holes and the axis (Z axis) of the 4 th locking pressurizing hole 12 respectively form angles of 86.4 degrees, 88.1 degrees and 88.6 degrees, the projection angles of the axes of the 1 st to 3 rd screw holes on a YZ plane are respectively 84.7 degrees, 88.1 degrees and 87.2 degrees, and the projection angles of the axes of the 1 st to 3 rd screw holes on an XZ plane are respectively 85.1 degrees, 75.7 degrees and 88.3 degrees; in addition, the axes of the 4 th to 8 th screw holes are respectively at 26.8 °, 21.6 °, 19 °, 16.9 ° and 16.8 ° from the axis (Z-axis) of the 4 th locking pressurizing hole 12, the projection angles of the axes of the 4 th to 8 th screw holes on the YZ plane are respectively 24.9 °, 20.4 °, 15.7 °, 16.8 ° and 16.8 °, and the projection angles of the axes of the 4 th to 8 th screw holes on the XZ plane are respectively 11.1 °, 7.8 °, 11.3 °, 1.1 ° and 0.6 °; the axes of the 1 st to 3 rd locking pressurizing holes and the axis (Z-axis) of the 4 th locking pressurizing hole 12 are at 13.9 °, 6.1 ° and 4.2 °, respectively, the projection angles of the axes of the 1 st to 3 rd locking pressurizing holes on the YZ plane are at 13.9 °, 6 ° and 4 °, respectively, the projection angles of the axes of the 1 st to 3 rd locking pressurizing holes on the XZ plane are at 0.3 °, 1.1 ° and 1.3 °, respectively, the axes of the 5 th to 7 th locking pressurizing holes and the axis (Z-axis) of the 4 th locking pressurizing hole 12 are at 5.7 °, 5.7 ° and 5.7 °, respectively, the projection angles of the axes of the 5 th to 7 th locking pressurizing holes on the YZ plane are at 5.4 °, 5.4 ° and 5.5 °, and the projection angles of the axes of the 5 th to 7 th locking pressurizing holes on the XZ plane are at 1.6 °, and 1.6 °, respectively.
In the operation process, the screw holes 1 to 3 can ensure that the screws on the screw holes can accurately pass through the fracture line of the humeral bone condyle, and play a good role in improving the stability and the cure rate; the both sides of the body part can also be provided with grooves which are positioned between the locking pressurizing holes, namely, the body part is a reconstruction steel plate, and in the operation process, a doctor can make tiny shaping (deformation) according to the individual shape of the humerus of a patient.
To sum up, the humerus far-end back outer side locking bone fracture plate of the utility model has good anatomy and convenient operation. The head part of the humerus fixing device is attached to the back side and the outer side of the humerus end in a wrapping mode, so that the humerus fixing device not only accords with anatomical parameters of a bone surface, but also has good stability; meanwhile, the resetting is accurate, the fixing is reliable, the pain of the patient is reduced, the design structure is simple and stable, and the processing cost is low; the medical titanium material is adopted for manufacturing, so that the biocompatibility is good; simple operation and convenient clinical application and popularization.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing is directed to embodiments of the present application and it is noted that numerous modifications and adaptations may be made by those skilled in the art without departing from the principles of the present application and are intended to be within the scope of the present application.
Claims (5)
1. The utility model provides a distal humerus posterolateral locking bone plate, characterized in that distal humerus posterolateral locking bone plate is close to one side terminal surface of humerus and is concave, is including integrated into one piece's head and body, the head extends out by the body top, the width of head is greater than the width of body, the head uses the body central line as the axle, to distal humerus posterolateral slope and spiral rotation, the head is equipped with 8 screw holes, the body is equipped with 4 locking pressurization holes at least, the axis of 1 st to 3 rd screw hole is 86.4 °, 88.1 ° and 88.6 ° with the axis of 4 th locking pressurization hole respectively, the projection angle of the axis of 1 st to 3 rd screw hole on the 4 th locking pressurization hole longitudinal section is 84.7 °, 88.1 ° and 87.2 ° respectively, the projection angle of the axis of 1 st to 3 rd screw hole on the 4 th locking pressurization cross section is 85.1 °, respectively, 75.7 deg. and 88.3 deg..
2. The distal posterolateral humeral locking bone plate of claim 1, wherein: the 1 st screw hole is a 2.5mm screw hole, the 2 nd to 8 th screw holes are 2.7mm screw holes, and the locking pressurizing holes are 3.5mm locking pressurizing holes.
3. The distal posterolateral humeral locking bone plate of claim 1, wherein: the 1 st to 3 rd screw holes are arranged in a triangular shape.
4. The distal posterolateral humeral locking bone plate of claim 1, wherein: the thickness of the humerus far-end posterolateral locking bone plate is 3.2 mm.
5. The distal posterolateral humeral locking bone plate of claim 1, wherein: the humerus far-end back outer side locking bone fracture plate is made of medical titanium materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920083785.1U CN210056198U (en) | 2019-01-18 | 2019-01-18 | Distal humerus posterolateral locking bone fracture plate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920083785.1U CN210056198U (en) | 2019-01-18 | 2019-01-18 | Distal humerus posterolateral locking bone fracture plate |
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| CN210056198U true CN210056198U (en) | 2020-02-14 |
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| CN201920083785.1U Active CN210056198U (en) | 2019-01-18 | 2019-01-18 | Distal humerus posterolateral locking bone fracture plate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109498138A (en) * | 2019-01-18 | 2019-03-22 | 苏州欣荣博尔特医疗器械有限公司 | Locking bone fracture plate for far back outer side of humerus |
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2019
- 2019-01-18 CN CN201920083785.1U patent/CN210056198U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109498138A (en) * | 2019-01-18 | 2019-03-22 | 苏州欣荣博尔特医疗器械有限公司 | Locking bone fracture plate for far back outer side of humerus |
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