CN213758506U - Olecranon fracture bone fracture plate - Google Patents
Olecranon fracture bone fracture plate Download PDFInfo
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- CN213758506U CN213758506U CN202021968159.XU CN202021968159U CN213758506U CN 213758506 U CN213758506 U CN 213758506U CN 202021968159 U CN202021968159 U CN 202021968159U CN 213758506 U CN213758506 U CN 213758506U
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Abstract
An olecroanon fracture bone plate is characterized by comprising a head part and a body part, wherein the head part and the body part are connected integrally in a seamless manner, the head part is bent and is upwards arranged along the body part in a slightly spiral manner, two back hooks similar to a snake tooth shape are arranged at the top end of the head part, and a concave part is arranged in each back hook; the front end of the head is provided with a plurality of locking screw holes for fixing the olecranon tip part of the ulna; the middle rear end of the head part is provided with a plurality of locking screw holes for fixing the olecranon pulley part of the ulna; the central position of the body part is provided with an oblong screw hole for pressurizing a cortical bone screw to ensure that the bone fracture plate is attached to the bone surface as much as possible, and a plurality of locking screw holes are respectively arranged above and below the oblong screw hole and used for fixing the ulna cadre part.
Description
Technical Field
The utility model relates to an olecranon fracture coaptation board belongs to medical instrument technical field.
Background
Olecranal fracture is a common fracture type in clinic, is mostly generated in adults, and accounts for about 10% of the fracture of the upper limbs of the adults. The olecroanon fracture is a multi-wave and semilunar incisional joint surface, which is intra-articular fracture, any residual joint surface is irregular, which can cause limited movement, dysfunction and traumatic arthritis, therefore, for the displaced olecroanon fracture, the incision reduction and internal fixation treatment should be selected first.
The traditional Kirschner wire tension band internal fixation technology for treating non-comminuted ulna olecranal fracture is widely used in clinic, but aiming at comminuted fracture, the technology has a plurality of defects: the fixation is not strong enough, the early function exercise can not be performed, the tension belt is loosened to cause the fracture displacement, the Kirschner wire is withdrawn to stimulate the skin to cause pain, and the like.
The traditional anatomical steel plate has a small number of holes arranged on the head, is only suitable for treating olecroanon simple fracture and is not suitable for treating a plurality of fractures or comminuted fracture at the proximal end of the ulna. For facet-compressed ulna olecranal fractures, the traditional 3.5mm locking screw does not effectively support the facet.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides an ulna olecranon fracture coaptation board.
The utility model discloses a solve the technical scheme that technical problem adopted as follows:
an olecroanon fracture bone plate is characterized by comprising a head part and a body part, wherein the head part and the body part are connected integrally in a seamless manner, the head part is bent and spirally arranged upwards along the body part, two back hooks similar to a snake tooth shape are arranged at the top end of the head part, and a concave part is arranged in each back hook; the front end of the head is provided with a plurality of locking screw holes for fixing the olecranon tip part of the ulna; the middle rear end of the head part is provided with a plurality of locking screw holes for fixing the olecranon pulley part of the ulna; the central position of the body part is provided with an oblong screw hole for pressurizing a cortical bone screw to ensure that the bone fracture plate is attached to the bone surface as much as possible, and a plurality of locking screw holes are respectively arranged above and below the oblong screw hole and used for fixing the ulna cadre part.
As a preferred technical scheme, the front end of the head part is provided with 3 2.4 or 2.7mm locking screw holes.
As a preferred technical scheme, the middle rear end of the head part is provided with 8 locking screw holes of 2.4mm or 2.7 mm.
As a preferred technical scheme, two locking screw holes with the diameter of 3.5mm are respectively arranged at the upper part and the lower part of the oblong screw hole.
The utility model discloses the beneficial effect who reaches is: the utility model provides an ulna eagle fracture anatomical steel plate with a plurality of locking screws at the head end, which is specially used for ulna near-end comminuted fracture, in particular to ulna near-end pulley articular surface collapse fracture; the multiple locking screws with the diameter of 2.4mm and the diameter of 2.7mm at the head end of the steel plate can effectively hold the olecranon to crush the fracture block and effectively support the articular surface of the ulna pulley; due to the anatomical steel plate and the low-notch design, the steel plate is more attached to the bone surface, and the soft tissue interference is relatively small; the angulation stability provided by the locking screw can provide effective under-articular support, and the reduction loss is avoided; the anatomical locking steel plate can more firmly fix the comminuted fracture, and the early functional exercise can be performed after the operation to avoid the occurrence of ossification myositis; the angulation stability provided by the locking screw can provide effective under-articular support, and the reduction loss is avoided; the steel plate is placed on the ridge behind the ulna to play a role similar to a tension band, and the internal fixation of the anatomical locking steel plate is an effective method for treating olecroanon comminuted fracture caused by a direct violence mechanism.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a front view of the present invention;
fig. 2 is a left side view of the present invention;
fig. 3 is a top view of the present invention;
fig. 4 is a perspective view of the present invention.
In the figure: 1. a head portion; 2. a body portion; 3. a recess; 4. a Kirschner wire hole; 5. an oblong screw hole.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Example 1
As shown in fig. 1 to 2, an olecroanon fracture bone plate comprises a head part 1 and a body part 2, wherein the head part 1 and the body part 2 are connected in a seamless and integral manner, the head part 1 is bent and is arranged upwards along the body part 2 in a slightly spiral manner, two back hooks similar to a snake tooth shape are arranged at the top end of the head part 1, and a concave part 3 is arranged in each back hook, so that the head part 1 can be matched with the shape of an olecroanon tip part of an ulna and can be well clamped and fixed; the front end of the head part 1 is provided with 3 locking screw holes with the diameter of 2.4mm or 2.7mm for fixing the olecranon tip part of the ulna; the middle rear end of the head part 1 is provided with 8 locking screw holes with the diameter of 2.4mm or 2.7mm for fixing the olecranon pulley part of the ulna; the central position of the body part 2 is provided with an oblong screw hole 5 for pressurizing cortical bone screws to ensure that the bone fracture plate is attached to the bone surface as much as possible, and the oblong screw hole 5 is respectively provided with two locking screw holes of 3.5mm up and down for fixing the ulna cadre part.
Taking a lateral lying position by using brachial plexus anesthesia or general anesthesia, placing a tourniquet on an affected limb, carrying out conventional disinfection and towel laying in an operative field, taking a longitudinal incision behind an elbow, tightly adhering to the outer edge of an olecranon of an ulna, wherein the incision is about 6-10 cm long, cutting off subcutaneous tissues, longitudinally cutting off partial brachial triceps tendon at the attachment part of the olecranon, stripping towards two sides, facilitating the placement of a bone fracture plate, exposing the fracture end, clearing hematoma and a bone fragment, directly viewing the fracture by using a punctiform reduction forceps, and temporarily fixing by using a kirschner wire; if the fragments are difficult to reduce, absorbable threads or wires are used for temporary fixation, the fracture reduction is determined to be good under fluoroscopy, a bone fracture plate with a proper length is selected to be placed behind the olecroanon of the ulna and positioned on the ulna crest, the fracture of the olecroanon is fixed by bone screws with the length of 2.7mm or 2.4mm on the top of the head and the face of the steel plate, and the ulna trunk is fixed by cortical bone screws with the length of 3.5mm and locking screws.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. An olecroanon fracture bone plate is characterized by comprising a head part and a body part, wherein the head part and the body part are connected integrally in a seamless manner, the head part is bent and spirally arranged upwards along the body part, two back hooks similar to a snake tooth shape are arranged at the top end of the head part, and a concave part is arranged in each back hook; the front end of the head is provided with a plurality of locking screw holes for fixing the olecranon tip part of the ulna; the middle rear end of the head part is provided with a plurality of locking screw holes for fixing the olecranon pulley part of the ulna; the central position of the body part is provided with an oblong screw hole for pressurizing a cortical bone screw to ensure that the bone fracture plate is attached to the bone surface as much as possible, and a plurality of locking screw holes are respectively arranged above and below the oblong screw hole and used for fixing the ulna cadre part.
2. The olecranal fracture plate according to claim 1, wherein the head has 3 locking screw holes of 2.4mm or 2.7mm at the front end.
3. The olecranal fracture plate according to claim 1, wherein the head has 8 locking screw holes of 2.4mm or 2.7mm at the medial posterior end.
4. The olecranal fracture plate according to claim 1, wherein the oblong holes are provided with two locking holes of 3.5mm at the upper and lower sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021968159.XU CN213758506U (en) | 2020-09-10 | 2020-09-10 | Olecranon fracture bone fracture plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021968159.XU CN213758506U (en) | 2020-09-10 | 2020-09-10 | Olecranon fracture bone fracture plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213758506U true CN213758506U (en) | 2021-07-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021968159.XU Active CN213758506U (en) | 2020-09-10 | 2020-09-10 | Olecranon fracture bone fracture plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213758506U (en) |
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2020
- 2020-09-10 CN CN202021968159.XU patent/CN213758506U/en active Active
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