CN107280751B - Lateral edge anatomic locking plate of scapula for scapula fractures and its use - Google Patents

Abstract

According to the new concept of diagnosis and treatment of the scapula fracture, the invention provides the anatomy locking plate for the outer side edge of the scapula for the scapula fracture and the application thereof. The anatomy locking plate at the outer side edge of the scapula is divided into two types, wherein the fixing part of one upper end steel plate screw is the spine of the scapula, the fixing part of the other upper end steel plate screw is the glenoid of the scapula, and the fixing part at the middle lower section is the outer side edge of the scapula to the tip. The anatomy locking plate at the outer side edge of the scapula plays a role of an internal fixing bracket through a minimally invasive incision, and is suitable for minimally invasive treatment of scapula fracture. The invention is particularly suitable for the diagnosis and treatment operation of the scapula fracture by adopting the limited incision access way on the outer side of the scapula, has small operation wound, short operation time and good treatment effect, can reach the internal fixation requirement by only one long steel plate after being reset sometimes, and saves the related expense of patients while achieving the ideal treatment effect.

Description

Lateral edge anatomic locking plate of scapula for scapula fractures and its use

Technical field

The invention belongs to the field of medical devices, and specifically relates to a scapula lateral edge anatomical locking plate for scapula fracture surgery and its use.

Background technique

The scapula and ribs together form the thorax, which protects important tissues and organs such as the heart, lungs, and large blood vessels. The scapula is part of the shoulder girdle and supports shoulder joint movement. The scapula constitutes the shoulder joint. Fractures in this part are intra-articular fractures. In principle, those with indications for surgery need to undergo open reduction, strong internal fixation, and early functional exercise.

The scapula has an abnormal shape and is mostly a flat bone. The part that can firmly hold the screw-fixed steel plate is the periphery of the scapula, especially the scapula spine and the outer edge of the scapula. The cortex is relatively thick, and the screw fixation is relatively strong. However, the flat bone in the middle part is very thin (about 1-2mm) and cannot be strong. fixed purpose.

The application of the invention of CT in the diagnosis and treatment of scapula fractures, especially the standardized use of 2D and 3D reconstruction of the thoracic cage on 64-slice CT, is a milestone in the understanding of scapula fractures. Because in the past, the diagnosis of scapula fractures was easily missed through X-ray films alone, and was relatively simple and crude, most treatments were conservative.

The position of the scapula is relatively deep, and the incidence rate is low: 0.5-1%, most of which can be treated conservatively. Severe fractures are mostly high-energy injuries. While high-energy injuries injure the scapula, injuries to the thoracic and cardiac surgeons, lungs, ribs, etc. are often more critical than scapula fractures and require urgent treatment. This will delay the treatment of scapula fractures. treatment and lose the opportunity for surgical open reduction and internal fixation.

Patients without displacement can receive conservative treatment, but some patients with displacement may require surgery. Common classification methods include Hardegger classification, Miller classification, International Association for Internal Fixation (AO)/Orthopedic Trauma Association (OTA) classification, Ideberg classification of glenoid fractures, etc., but they have no special guiding significance for the selection of treatment options. . The indications for surgery for scapula fractures are not uniform. Currently, the relatively recognized indications for surgery are as follows: (1) fracture of the body of the scapula with a displacement greater than 10 mm; (2) glenoid polar angle (GPA angle): the line between the upper and lower lips of the joint and the glenoid The angle formed between the vertex and the lower angle of the scapula is normally 30-45 degrees. If it is less than 20 degrees, surgical treatment is required; (3) Scapular glenoid fracture: an intra-articular fracture with an intra-articular step greater than 3 mm; (4) Floating shoulder : Complete loss of bony and ligamentous connections between the glenohumeral joint, the fracture end and the trunk, and clavicle and scapular neck fractures are common.

A small number of fracture types adopt the anterior approach, while the vast majority of fractures are completed using the posterior approach.

The classic posterior approach is the Judet approach, that is, a curved incision is made on the skin, starting from the posterior edge of the acromion, along the scapula spine and the inner edge of the scapula, in an arc to the lower angle of the scapula; the fracture is treated with internal steel plates and screws. For fixation, 4-hole or 6-8-hole reconstruction steel plates and screws can be used for internal fixation on the scapular spine of the scapula or the bone on the outer edge of the neck or body. After the steel plate is laid appropriately, the screws are drilled and screwed. However, it is necessary There are many parts to be incised, causing greater damage to the patient. The steel plates currently used for internal fixation are generally ordinary long strip-shaped reconstruction steel plates, which cannot fit neatly to the irregularly shaped scapula.

Contents of the invention

In view of the above-mentioned shortcomings in the prior art, the object of the present invention is to provide an anatomical locking plate for the lateral edge of the scapula, which is suitable for minimally invasive treatment of scapula fractures.

For scapula fracture surgery using existing techniques, the incision is larger, especially for patients using the posterior approach. Due to the longer "route", it causes greater trauma to the patient and takes longer to recover. Based on the inventor's many years of experience, an innovative minimally invasive treatment method suitable for scapula fracture surgery is proposed. The incision and damage are smaller, and scapula fractures that were originally indicated for surgery can be treated through indirect reduction and lateral edge fixation. Conservative treatment.

The present invention proposes a minimally invasive treatment method for scapula fracture surgery, using a limited incision approach on the lateral side of the scapula, and the surgical position is prone. The lateral limited incision approach of the scapula is an incision on the upper part of the affected side combined with an incision on the tip of the scapula.

The specific surgical method includes the following steps:

(1) Measure the length from the unaffected side of the scapula to the tip of the scapula, and roughly estimate the length of the anatomical locking plate at the lateral edge of the scapula that will be used;

(2) Make an incision on the upper part of the affected side, pull open the deltoid muscle, and enter from the subposterior muscle teres minor interface to the periosteum according to the direction of the muscle fibers to avoid damage to the subscapular nerve and subperiosteal dissection;

(3) Incision from the tip of the scapula to the periosteum, and subperiosteal dissection; the proximal and distal wounds join together to form a "tunnel" above the periosteum and under the deep fascia;

(4) To reduce the fracture, insert an anatomical locking plate on the lateral edge of the scapula through the "tunnel", and fix the upper and lower ends with no less than three screws on each side and six layers of cortex;

(5) The reconstruction part can anatomically reduce the lateral edge and restore the GAP (glenpolar angle).

Using the above surgical method, severely displaced fractures of the medial edge of the scapula and thin-walled body parts that originally required surgical treatment often undergo indirect reduction without the need for further open reduction and internal fixation. That is, the scapula fracture that originally had indications for surgery can be treated through The lateral edge is fixed and can be treated conservatively.

Based on the above-mentioned new concept of diagnosis and treatment of scapula fractures, when searching for a steel plate suitable for surgery, the inventor found that the bending of the existing steel plate was time-consuming and labor-intensive, and the bending effect was not ideal. In addition, fixation screws are sometimes difficult to meet the internal fixation principle of plate screws due to severe bone crushing, that is, it is difficult to meet the requirements of no less than three screws and six layers of cortex on each side. Based on this, the present invention designs a new type of anatomical locking plate for the lateral edge of the scapula, which is particularly suitable for the above-mentioned minimally invasive scapula fracture surgery.

The main body of the scapula lateral edge anatomical locking plate provided by the present invention is in the shape of a long strip, the upper section is a reconstruction steel plate section, and the middle and lower section is a reconstruction steel plate section.

The upper part of the anatomical locking plate on the lateral edge of the scapula is a reconstructed steel plate segment, and its corresponding fixation site is the scapular glenoid or scapular spine. Individual differences here are large, and the steel plate needs to be bent and shaped. The shape of the reconstructed steel plate is designed to achieve both rigidity and rigidity. At the same time, it takes into account the toughness and facilitates bending plasticity. The middle and lower segments (i.e., the middle and lower segments) correspond to the relatively flat lateral edge of the scapula body. Since there is no need for more personalized bending and shaping, the design is to reconstruct the shape of the steel plate, mainly considering the strength of the steel plate.

According to the usage conditions of the scapula lateral edge anatomical locking plate, the scapula lateral edge anatomical locking plate of the present invention is divided into two types: spinous plate and glenoid plate.

Spinal plate, that is, the screw fixation site of the reconstructed steel plate segment is the scapular spine, and the screw fixation site of the reconstructed steel plate segment is the anatomical locking plate on the lateral edge of the scapula at the lateral edge of the scapula tip. The scabular plate is mainly used to fix scapula body fractures and solve the problem of glenoid polar angle. In order to fix the steel plate to the scapular spine more effectively, the free end of the reconstructed steel plate segment in the scapular spine is T-shaped.

The glenoid plate, that is, the screw fixation site of the reconstructed steel plate segment is the scapula, and the screw fixation site of the reconstructed steel plate segment is the anatomical locking plate on the lateral edge of the scapula at the lateral edge of the scapula tip. The glenoid plate is mainly used for fixation of glenoid fractures and scapular neck fractures caused by floating shoulders.

The overall length of the scapula lateral edge anatomical locking plate can be designed with reference to the human body's conventional scapula lateral edge tip to scapula spine or from the lateral edge tip to scapula glenoid. Generally, it should be complete in length and short sizes to meet the needs of different individuals. As for the strength of the internal fixation of the fracture plate, it should be within the allowable range, and the longer the better. For example, the length of the anatomical locking plate at the lateral edge of the scapula can be 50-200mm, the width can be 9-10mm, and the thickness can be 2.5-3mm.

The anatomical locking plate on the lateral edge of the scapula is provided with a number of nail holes. The nail holes located on the reconstructed steel plate section are non-locking holes and are equipped with non-locking screws. The nail holes located on the reconstructed steel plate section are locking screw holes and are equipped with locking screws. screws.

Preferably, in the glenoid plate, the angle α between the reconstructed strip steel plate section and the reconstructed steel plate section is 45-55°; in the glenoid plate, the angle α between the reconstructed strip steel plate section and the reconstructed steel plate section is The angle θ is 30-40°.

In order to facilitate the temporary fixation of the steel plate during the operation, the ends of the reconstructed steel plate section and the end of the reconstructed steel plate section may be provided with protrusions, and holes for reset and temporary fixation are provided in the protrusions. The diameter of the hole for reduction and temporary fixation is smaller than the nail hole, and a 1.5-2.5mm Kirschner wire can be used.

In the scapula lateral edge anatomical locking plate of the present invention, the bending plasticity of the reconstruction steel plate section is greater than that of the reconstruction steel plate section, and the rigidity of the reconstruction steel plate section is greater than that of the reconstruction steel plate section.

The upper and lower ends of the anatomical locking plate on the lateral edge of the scapula are fixed on the scapula via screws. During fixation, at least three screws and six layers of cortex should be fixed at both ends of the fracture.

In the anatomical locking plate for the lateral edge of the scapula of the present invention, the reconstructed steel plate segment can anatomically reset the lateral edge and restore the glenoid angle.

The present invention further provides the use of the above-mentioned anatomical locking plate at the lateral edge of the scapula in preparing a steel plate for scapula fracture surgery.

The scapula surgery uses a limited incision approach on the lateral side of the scapula.

The scapula lateral edge anatomical locking plate of the present invention can be applied to the currently recognized surgical indications for scapula fractures:

(1) The body of the scapula is fractured and the displacement is greater than 10mm;

(2) The glenopolar angle is less than 20 degrees;

(3) Scapular glenoid fracture: an intra-articular fracture with an intra-articular step greater than 3mm;

(4) Floating shoulder: The bony and ligamentous connection between the glenohumeral joint, the fractured end and the trunk is completely lost. Fractures of the clavicle and scapular neck are common.

After using the scapula lateral edge anatomical locking plate of the present invention during scapula fracture surgery, the thin-walled displaced fractures of the scapula medial edge and body with surgical indications can be reduced indirectly without the need for open reduction and internal fixation with other steel plates. Conservative treatment.

Beneficial effects of the present invention:

The scapula lateral edge anatomical locking plate of the present invention is particularly suitable for diagnosis and treatment of scapula fractures using a limited lateral scapula incision approach, and can meet the plate and screw internal fixation principle, that is, no less than three screws and six layers of cortex on each side. After this operation, the thin-walled and severely displaced fractures of the medial edge of the scapula that originally required surgical treatment often undergo indirect reduction without the need for further open reduction and internal fixation. That is, the scapula fracture that was originally indicated for surgery is reduced through the lateral The edge is fixed and can be treated conservatively without using other steel plates. Therefore, the surgical trauma is small, the healing time is short, the treatment effect is good, and the patient's expenses are saved.

Description of the drawings

Figure 1 shows a schematic diagram of the scapula structure.

Figure 2 shows a schematic structural diagram of the anatomical locking plate at the lateral edge of the scapula in Embodiment 1.

Figure 3 shows a reference diagram of the use state of the anatomical locking plate at the lateral edge of the scapula in Figure 2.

Figure 4 shows a right side view of Figure 3.

Figure 5 shows a schematic structural diagram of the anatomical locking plate at the lateral edge of the scapula in Embodiment 2.

Figure 6 shows a schematic structural diagram of another embodiment of the scapula lateral edge anatomical locking plate in Embodiment 2.

Figure 7 shows a reference diagram of the anatomical locking plate on the lateral edge of the scapula in Figure 5 in use.

Figure 8 shows a right side view of Figure 7 .

Component label description

1 Reconstruction of strip steel plate section

2 Reconstruct the steel plate section

3 scapular spine

4 scapula

5 lateral edge

6 Tip of scapula

10 glenoid plate

11 Spinal plate

101 Locking screw hole

102 non-locking hole

103 Connector

104 Reset and temporary fixation holes

105 bumps

106 Three-hole T-shaped beam

107 Two-hole T-shaped beam

108 Gap

Detailed ways

The implementation of the present invention is described below with specific embodiments. Those familiar with this technology can easily understand other advantages and effects of the present invention from the content disclosed in this specification.

See Figure 1 to Figure 8. It should be noted that the structures, proportions, sizes, etc. shown in the drawings attached to this specification are only used to coordinate with the content disclosed in the specification for the understanding and reading of those familiar with this technology, and are not used to limit the implementation of the present invention. Restrictive conditions, so they have no technical substantive significance. Any structural modifications, changes in proportions, or adjustments in size should still fall within the scope of the present invention as long as they do not affect the effects that the present invention can produce and the purposes that can be achieved. The technical content disclosed must be within the scope that can be covered. At the same time, terms such as "upper", "lower", "left", "right", "middle" and "one" cited in this specification are only for convenience of description and are not used to limit the scope of this specification. The scope of the invention that can be implemented, and changes or adjustments in their relative relationships, as long as there is no substantial change in the technical content, shall also be regarded as the scope of the invention that can be implemented.

The scapula is shown in Figure 1 and is also called the scapula and lute bone. The scapula is located behind the rib cage and is an inverted triangular flat bone between the 2nd and 7th ribs. The positions of scapula spine 3, scapula glenoid 4, scapula lateral edge 5, and scapula tip 6 are as shown in the figure.

Example 1

The anatomic locking plate on the lateral edge of the scapula as shown in Figure 2 is the glenoid plate 10, which is mainly used to fix glenoid fractures and scapular neck fractures caused by floating shoulders. The main body of the anatomical locking plate at the lateral edge of the scapula is in a long strip shape, with the upper section being the reconstruction steel plate section 1, and the middle and lower section being the reconstruction steel plate section 2. The screw fixation site of the reconstructed steel plate segment is the scapula, and the screw fixation site of the reconstructed steel plate segment is the lateral edge of the tip 6 of the scapula. The length ratio between the reconstructed steel plate segment and the reconstructed steel plate segment can be designed and adjusted according to needs. Generally, the reconstructed steel plate segment corresponds to the lateral edge of the scapula, and the reconstructed steel plate segment corresponds to the outer edge of the scapula.

Preferably, there is an included angle between the reconstructed strip steel plate section 1 and the reconstructed steel plate section 2, and the included angle θ can generally be 30-40°, for example, 35°. The angle design makes it easier for doctors to operate. If there is no included angle, the operator needs to perform prefabricated bending according to individual conditions during use.

Further, nail holes are evenly distributed on the anatomical locking plate on the lateral edge of the scapula. Preferably, the nail holes can be arranged in a row. The number of nail holes is not limited and can be adjusted as needed.

The nail holes provided in the reconstructed steel plate section 1 are non-locking holes 102, equipped with non-locking screws, and the nail holes provided in the reconstructed steel plate section are locking screw holes 101, equipped with locking screws. Generally, the number of nail holes on the reconstructed steel plate section is 4 to 12, and the number of nail holes on the main body of the reconstructed strip steel plate section is 4. As shown in Figure 2, there are 8 nail holes on the reconstructed steel plate section 2, and there are 4 nail holes on the reconstructed strip steel plate section 1.

The non-locking hole nail 102 of the reconstructed steel plate segment can be a conventional through hole without a locking function, for example, an unthreaded through hole, which can be used with a non-locking screw, such as a 3.5mm cortical bone screw or a 4.0mm cancellous bone screw. The non-locking screw hole has no special requirements for the direction of screw insertion. It is convenient to adjust the direction of screw insertion according to the actual situation, thereby avoiding the obstruction between bones, allowing flexible operation and better fixing the steel plate on the scapula or glenoid.

The locking screw hole 101 of the reconstruction steel plate section is a conventional locking screw hole, generally a threaded hole, which can be used with a locking screw, such as a 4.0mm locking screw. After the threaded screw is screwed into this hole, the angle of the screw is fixed. The lateral edge of the tip of the scapula is not blocked by bone and is easy to operate. The locking screw hole is used to fix the plate more firmly.

Specifically, as shown in Figure 2, the reconstructed strip steel plate section includes uniformly distributed circular non-locking holes 102 and a connecting portion 103 connecting adjacent non-locking holes, and the connecting portion is cylindrical. The maximum diameter of the cross section of the connecting portion 103 is smaller than the outer diameter of the non-locking hole 102 . The reconstructed steel plate section includes a bar-shaped body with a number of locking screw holes 101 provided on it. Preferably, a gap 108 is provided on the side edge of the body between adjacent locking screw holes of the reconstruction steel plate section. The design of the gap can facilitate the reconstruction of the steel plate section for small shaping. Specifically, the gap 108 may be semicircular.

The reconstructed strip steel plate section and the reconstructed steel plate section can be made of the same material, and their thicknesses can be the same. The materials of existing steel plates, locking plates, and reconstruction plates suitable for orthopedic surgery are all suitable for the present invention. Based on the difference in form between the two, the rigidity of the reconstructed steel plate section is greater than that of the reconstructed strip steel plate section, and the bending plasticity of the reconstructed strip steel plate section is greater than that of the reconstructed steel plate section. Rigidity in the present invention refers to the ability to resist deformation; plasticity in the present invention refers to the ability of a material to bend and deform without destroying its integrity under the action of external forces. The greater the rigidity, the less likely it is to deform, and the greater the bending plasticity, the smaller the force required to bend and deform. Since the reconstructed steel plate segment has good bending plasticity, it can be easily prefabricated into a shape that is more compliant with the anatomical shape of the human scapula. At the same time, the reconstructed steel plate segment has a certain stiffness and can be prefabricated to conform to the anatomical shape of the human scapula. It is more compliant and can better shape the fractured scapula, so that it will not change its original anatomical shape due to muscle pulling; during the operation, the design of the reconstruction plate segment is more comfortable than the traditional reconstruction plate. Facilitates the fixation of the scapula spine and glenoid.

Further, the length of the anatomical locking plate at the lateral edge of the scapula can be 50-200mm, the width can be 9-10mm, and the thickness can be 2.5-3mm.

The free ends of the reconstructed steel plate section and the reconstructed strip steel plate section are provided with protrusions 105, and reset and temporary fixing holes 104 are provided on the protrusions. The raised edges should be rounded and cornerless to avoid secondary damage. The reset and temporary fixation holes 104 can be equipped with 1.5-2.5mm K-wires. The reduction and temporary fixation holes 104 can be used to temporarily fix the lateral edge of the scapula anatomical locking plate during surgery.

The glenoid plate 10 is suitable for fixation of glenoid fractures and scapular neck fractures caused by floating shoulders. When using it (see Figures 3 and 4), first predict the length of the anatomical locking plate on the lateral edge of the scapula to be used, and preform it into the required shape; the surgery uses a limited incision approach on the lateral side of the scapula, and the upper and lower incisions form a "tunnel" Both ends of the scapula are then inserted into "tunnels" during the operation. The anatomical locking plate on the lateral edge of the scapula is attached to the lateral edge of the scapula according to the direction of the lateral edge of the scapula. The reconstructed steel plate segment is extended to the glenoid, and then the reduction and temporary fixation holes are used. Fix it first to restore the glenoid angle, and then use cortical bone nails and locking screws to fix the whole thing. When fixed, there should be no less than three screws and six layers of cortex at each end. There is no need to use other fixation plates on the medial edge of the scapula and body.

Example 2

As shown in Figure 5, the anatomical locking plate at the lateral edge of the scapula is the spinous plate 11, which is mainly used to fix fractures in the body of the scapula and solve the problem of the glenoid angle. The main body of the anatomical locking plate at the lateral edge of the scapula is in the shape of a long strip. The upper section is the reconstruction steel plate section 1, and the middle and lower section is the reconstruction steel plate section 2. In order to make the fixation at the scapular spine more firm and meet the requirements of three screws and six layers of cortex, the free end of the reconstructed steel plate segment 1 is T-shaped as shown in Figure 5 or Figure 6. Among them, the screw fixation site of the reconstructed steel plate segment is the scapula spine, and the screw fixation site of the reconstructed steel plate segment is the lateral edge of the scapula tip 6. The length ratio between the reconstructed steel plate segment and the reconstructed steel plate segment can be designed and adjusted according to needs. Generally, the reconstructed steel plate segment corresponds to the lateral edge of the scapula, and the reconstructed steel plate segment corresponds to the scapular spine.

Preferably, there is an included angle between the reconstructed strip steel plate section 1 and the reconstructed steel plate section 2, and the included angle α can generally be 45-55°, for example, 50°. The angle design makes it easier for doctors to operate. If there is no included angle, the operator needs to perform prefabricated bending according to individual conditions during use.

Further, nail holes are evenly distributed on the anatomical locking plate on the lateral edge of the scapula. Preferably, the nail holes can be arranged in a row. The number of nail holes is not limited and can be adjusted as needed.

The nail holes provided in the reconstructed steel plate section 1 are non-locking holes 102, equipped with non-locking screws, and the nail holes provided in the reconstructed steel plate section are locking screw holes 101, equipped with locking screws. Generally, the number of nail holes on the reconstructed steel plate section is 4 to 12, and the number of nail holes on the main body of the reconstructed strip steel plate section is generally 4 (the same level on the end T-shaped beam 106 or 107 The holes in the positions are only converted into 1 hole on the main body). As shown in Figure 5, there are 8 nail holes on the reconstructed steel plate section 2, and there are 4 nail holes on the main body of the reconstructed strip steel plate section 1 (the 3 holes on the end three-hole T-shaped beam 106 are converted into 1 hole). As shown in Figure 6, there are 8 nail holes on the reconstructed steel plate section 2, and there are 4 nail holes on the main body of the reconstructed strip steel plate section 1 (the 2 holes on the end two-hole T-shaped beam 107 are converted into 1 on the main body). hole).

The non-locking hole nail 102 of the reconstructed steel plate segment can be a conventional through hole without a locking function, for example, an unthreaded through hole, which can be used with a non-locking screw, such as a 3.5mm cortical bone screw or a 4.0mm cancellous bone screw. The non-locking screw hole has no special requirements for the direction of screw insertion. It is convenient to adjust the direction of screw insertion according to the actual situation, thereby avoiding the obstruction between bones, allowing flexible operation and better fixing the steel plate on the scapula or glenoid.

The locking screw hole 101 of the reconstruction steel plate section is a conventional locking screw hole, generally a threaded hole, which can be used with a locking screw, such as a 4.0mm locking screw. After the threaded screw is screwed into this hole, the angle of the screw is fixed. The lateral edge of the tip of the scapula is not blocked by bone and is easy to operate. The locking screw hole is used to fix the plate more firmly.

Specifically, as shown in Figure 5, the reconstructed strip steel plate section includes uniformly distributed circular non-locking holes 102 and a connecting portion 103 connecting adjacent non-locking holes, and the connecting portion is cylindrical. The maximum diameter of the cross section of the connecting portion 103 is smaller than the outer diameter of the non-locking hole 102 . This structure makes the bending plasticity of the reconstructed strip steel plate stronger. The free end of the reconstructed strip steel plate section 1 is T-shaped as shown in Figure 5 or Figure 6. The T-shaped beam 106 or 107 is provided with a circular non-locking hole 102 for fixing the reconstructed strip steel plate section to the shoulder blade. Specifically, the three-hole T-shaped beam 106 as shown in Figure 5 may be provided with three circular non-locking holes, or the two-hole T-shaped beam 107 as shown in Figure 6 may be provided with two circular non-locking holes. Preferably, three circular non-locking holes are provided.

The reconstructed steel plate section is shown in Figure 5 and includes a strip body with a number of locking screw holes 101 provided on it. Preferably, a gap 108 is provided on the side edge of the body between adjacent locking screw holes of the reconstruction steel plate section. The design of the gap can facilitate the reconstruction of the steel plate section for small shaping. Specifically, the gap 108 may be semicircular.

The reconstructed strip steel plate section and the reconstructed steel plate section can be made of the same material, and their thicknesses can be the same. Based on the difference in form between the two, the stiffness of the reconstructed steel plate section is greater than that of the reconstructed belt section, and the bending plasticity of the reconstructed strip steel plate section is greater than that of the reconstructed steel plate section.

Further, the length of the anatomical locking plate at the lateral edge of the scapula can be 50-200mm, the width can be 9-10mm, and the thickness can be 2.5-3mm.

The free ends of the reconstructed steel plate sections are provided with protrusions 105, and reset and temporary fixing holes 104 are provided on the protrusions. As shown in Figures 5 and 6, the T-shaped beam of the reconstructed steel plate section is also provided with protrusions 105 at both ends, and reset and temporary fixing holes 104 are provided on them. The raised edges should be rounded and cornerless to avoid secondary damage. The reduction and temporary fixation holes can be equipped with 1.5-2.5mm K-wires, which can be used to temporarily fix the anatomical locking plate on the lateral edge of the scapula during surgery.

Spinal plate 11 is used to fix scapula body fractures and solve the problem of glenoid polar angle. Refer to Figures 7 and 8 when using it. First predict the length of the anatomical locking plate on the lateral edge of the scapula to be used, and pre-make it into the required shape. The surgery uses a limited incision approach on the lateral side of the scapula, with the upper and lower incisions forming two "tunnels". end. Then, a "tunnel" is inserted during the operation, and the anatomical locking plate on the lateral edge of the scapula is attached to the lateral edge of the scapula according to the direction of the lateral edge of the scapula. The reconstructed steel plate segment is extended to the scapular spine, and then the reduction and temporary fixation holes are used to fix it first. Hold it, restore the glenopolar angle, and then use cortical bone nails and locking screws to fix the whole thing. When fixed, there should be no less than three screws and six layers of cortex at each end. There is no need to use other fixation plates on the medial edge of the scapula and body.

In summary, the present invention effectively overcomes various shortcomings in the prior art and has high industrial utilization value.

The above embodiments only illustrate the principles and effects of the present invention, but are not intended to limit the present invention. Anyone familiar with this technology can modify or change the above embodiments without departing from the spirit and scope of the invention. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the technical field without departing from the spirit and technical ideas disclosed in the present invention shall still be covered by the claims of the present invention.

Claims (9)

1. An anatomical locking plate for the lateral edge of the scapula for scapula fractures, characterized in that the main body of the anatomical locking plate for the lateral edge of the scapula is in the shape of a long strip, the upper section is a reconstruction steel plate section (1), and the middle and lower section is a reconstruction steel plate section (2 ), the anatomical locking plate on the lateral edge of the scapula is provided with a number of nail holes, and the nail holes provided in the reconstructed steel plate section are non-locking holes (102), equipped with non-locking screws, and the nail holes provided in the reconstructed steel plate section are The locking screw hole (101) is equipped with a locking screw; the anatomical locking plate on the lateral edge of the scapula is a spinobular plate (11) or a glenoid plate (10); the spinobular plate (11) is used to treat fractures of the body of the scapula. To fix and solve the glenoid polar angle problem, the screw fixation site of the reconstructed steel plate segment (1) of the scabular plate is the scapular spine (3), and the screw fixation site of the reconstructed steel plate segment (2) is from the lateral edge of the scapula to the tip; so The glenoid plate is used to fix glenoid fractures and scapular neck fractures caused by floating shoulders. The screw fixation part of the reconstructed steel plate segment (1) of the glenoid plate is the scapula (4), and the screw fixation part of the reconstructed steel plate segment (2) is The screw fixation site is from the lateral edge of the scapula to the tip; the bending plasticity of the reconstructed steel plate section (1) is greater than that of the reconstructed steel plate section (2), and the rigidity of the reconstructed steel plate section (2) is greater than that of the reconstructed steel plate section (1). 2. The anatomical locking plate for the lateral edge of the scapula according to claim 1, characterized in that, in the spinous plate (11), the free end of the reconstructed steel plate section (1) is T-shaped. 3. The scapula lateral edge anatomical locking plate according to claim 2, characterized in that, in the spinous plate, the angle α between the reconstructed steel plate section (1) and the reconstructed steel plate section (2) is 45-55 °; In the glenoid plate, the angle θ between the reconstructed steel plate section (1) and the reconstructed steel plate section (2) is 30-40°. 4. The scapula lateral edge anatomical locking plate according to claim 1, characterized in that the scapula lateral edge anatomical locking plate has a length of 50-200mm, a width of 9-10mm, and a thickness of 2.5-3mm. 5. The scapula lateral edge anatomical locking plate according to claim 1, characterized in that the end of the reconstruction band steel plate section (1) and the end of the reconstruction steel plate section (2) are provided with protrusions (105), and the protrusions are in the middle. It is equipped with holes (104) for reset and temporary fixation. 6. The scapula lateral edge anatomical locking plate according to any one of claims 1 to 5, characterized in that the upper and lower ends of the scapula lateral edge anatomical locking plate are fixed on the scapula through screws. When fixed, both ends of the fracture line are not fixed. Less than three screws and six layers of cortex can meet the minimum requirements for stable fixation. 7. The use of the scapula lateral edge anatomical locking plate according to any one of claims 1 to 5 in preparing a steel plate for scapula fracture surgery. 8. The use according to claim 7, wherein the scapula fracture surgery approach suitable for the scapula lateral edge anatomical locking plate is a scapula lateral limited incision approach. 9. The use as claimed in claim 7, characterized in that, after the scapula lateral edge anatomical locking plate is used after reduction during scapula fracture surgery, the original surgical indications for the scapula medial edge and body thin wall are displaced. Most fractures can be reduced indirectly without the need for open reduction or internal fixation with other plates.