CN217853258U - Bone fracture plate for humerus fracture - Google Patents

Abstract

The utility model belongs to the technical field of medical instrument is relevant, solved the easy blood circulation on oppression bone surface of current coaptation board, serious meeting leads to the problem that the fracture surrounding tissue necrosis, union of fracture are slow, the nonunion of fracture. The utility model provides a bone fracture plate for humerus fracture, the bone fracture plate is fixed on the humerus bone face, evenly be provided with a plurality of screw holes on the bone fracture plate along the bone fracture plate axial, the bone fracture plate with the contact surface of humerus bone face is provided with the inclined plane, makes the area that the bone fracture plate kept away from the one side of humerus bone face is greater than the bone fracture plate with the area of the contact surface that the humerus bone face contacted.

Description

Bone fracture plate for humerus fracture

Technical Field

The utility model relates to a relevant technical field of medical instrument especially relates to a bone fracture plate for humerus fracture.

Background

The bone fracture plate is an internal fixer with holes for plate fracture, is commonly used by matching screws or bone fracture wires clinically, is divided into a common bone fracture plate and a pressurizing bone fracture plate, and can be made into a strip shape, a Y shape, an L shape, a T shape and the like according to different purposes. Among them, humeral fractures often occur in humeral shell neck, humeral shaft, humeral ankle, humeral lateral ankle and humeral medial ankle, especially the first three parts often occur at any age, and are mostly caused by direct or indirect violence, such as heavy impact, squeezing, striking and striking, the hand or elbow is on the ground, violence is transmitted to each part through the forearm or elbow, and X-ray examination can clearly diagnose and prompt fracture types.

The bone fracture plate is particularly applied to the fixation of fracture parts by utilizing the bone fracture plate and screws in orthopedic surgery, but in the implementation process, the bone fracture plate needs to be contacted with the bone surface to a certain extent when being fixed, so that the blood circulation on the surface of the bone is pressed by the steel plate, the blood circulation is damaged, and the problems of necrosis of tissues around the fracture, slow fracture healing, nonunion and the like are seriously caused.

SUMMERY OF THE UTILITY MODEL

The utility model provides a bone fracture plate for humerus fracture has solved the easy blood circulation that oppresses the bone surface of current bone fracture plate, serious meeting lead to fracture surrounding tissue necrosis, fracture healing slow, the problem of fracture nonunion.

An embodiment of the utility model provides a bone fracture plate for humerus fracture, the bone fracture plate is fixed on the humerus bone face, on the bone fracture plate along the bone fracture plate axial evenly is provided with a plurality of screw holes, the bone fracture plate with the contact surface of humerus bone face is provided with the inclined plane, makes the bone fracture plate is kept away from the area of the one side of humerus bone face is greater than the bone fracture plate with the area of the contact surface that the humerus bone face contacted.

In the technical scheme, the inclined surface is arranged on the surface, in contact with the humerus bone surface, of the bone fracture plate, the contact area between the bone fracture plate and the humerus bone surface can be effectively reduced by the inclined surface, namely the area of the surface, far away from the humerus bone surface, of the strip-shaped bone fracture plate is kept larger than the area of the surface, in contact with the humerus bone surface, of the bone fracture plate, so that the contact between the bone fracture plate and the humerus bone surface is reduced to the maximum extent, the influence on blood circulation of the bone fracture plate is reduced to the maximum extent, and meanwhile, the good fitting degree of the bone fracture plate and the humerus bone surface is kept; still evenly be provided with a plurality of screw holes on the coaptation board for insert the screw downthehole through the screw, fix the coaptation board at the humerus bone face, combine the inclined plane, make when reducing coaptation board and the contact of humerus bone face, guarantee the intensity of coaptation board.

Furthermore, the included angle between the inclined surface and the humeral bone surface jointed with the bone fracture plate is 30 degrees.

Among the above-mentioned technical scheme, the contained angle that the subsides of coaptation board and upper arm bone face back and inclined plane between sets up to 30 degrees, can improve on the prerequisite of the limited contact coaptation board of upper arm bone face, sets up the inclined plane with one side of the upper arm bone face of coaptation board laminating, makes the coaptation board not have under too big change in intensity, further descends with the contact of bone face, has reduced the influence of coaptation board to the blood circulation to avoid the blood circulation not good influence to the fracture restoration.

Furthermore, a plurality of pressure reduction grooves are uniformly formed in two sides of one surface, in contact with the humerus bone surface, of the bone fracture plate.

Among the above-mentioned technical scheme, the pressure-reducing groove on the coaptation board can effectively reduce the coaptation board to the pressure of humerus bone face, reduces the influence to the humerus fracture for the healing.

Furthermore, the plurality of screw holes are symmetrically arranged on the bone fracture plate.

Among the above-mentioned technical scheme, a plurality of screw holes symmetry sets up, can effectively guarantee the equilibrium of coaptation board, guarantees the correct butt joint of humerus fracture position.

Furthermore, arc-shaped end heads are arranged at two ends of the bone fracture plate.

Furthermore, the side edges of the bone fracture plate are provided with radians.

Among the above-mentioned technical scheme, arc end and radian can effectively reduce the wearing and tearing of coaptation board to the surface of a wound, reduce patient's misery.

To sum up, the utility model provides a bone fracture plate for humerus fracture, a plurality of screw holes that evenly set up on the bone fracture plate for insert the screw through the screw downthehole, fix the bone fracture plate at the humerus bone face, combine the inclined plane that the one side of bone fracture plate and the contact of humerus bone face set up, make when reducing bone fracture plate and the contact of humerus bone face, guarantee the intensity of bone fracture plate, make the bone fracture plate reduce the influence to the blood circulation in the at utmost, keep the better laminating degree of bone fracture plate and humerus bone face simultaneously.

Drawings

Fig. 1 is a schematic top view of a bone fracture plate for humeral fracture according to an embodiment of the present invention;

fig. 2 is a schematic bottom view of a bone fracture plate for humeral fracture according to an embodiment of the present invention;

fig. 3 is a side view of the bone plate for humeral fracture according to an embodiment of the present invention;

fig. 4 is a schematic bottom view of the bone fracture plate for humerus fracture according to the embodiment of the present invention shown in fig. 2.

Wherein, the name corresponding to the reference numeral in the figure is 101, bone fracture plate; 102. screw holes; 103. an inclined surface; 104. a pressure reducing tank; 105. an arc-shaped end.

Detailed Description

The embodiments of the present invention will be described in detail with reference to the accompanying drawings, but they are not to be construed as limiting the invention, and are presented by way of example only, and the advantages of the invention will become more apparent and can be easily understood by description.

The present invention will be further described with reference to fig. 1 to 4.

Example 1:

referring to fig. 1 to 2, in a first aspect, the bone plate 101 for humeral fracture is provided, the bone plate 101 is fixed on a humeral bone surface, a plurality of screw holes 102 are uniformly formed in the bone plate 101 along an axial direction of the bone plate 101, and a contact surface between the bone plate 101 and the humeral bone surface is provided with an inclined surface 103, so that an area of a surface of the bone plate 101 away from the humeral bone surface is larger than an area of a contact surface between the bone plate 101 and the humeral bone surface.

The inclined surface 103 is arranged on one surface of the bone fracture plate 101, which is in contact with the humeral bone surface, and the contact area between the bone fracture plate 101 and the humeral bone surface can be effectively reduced by the inclination, namely the area of the surface, far away from the humeral bone surface, of the strip-shaped bone fracture plate 101 is kept larger than that of the surface, in contact with the humeral bone surface, of the bone fracture plate 101, so that the contact between the bone fracture plate 101 and the humeral bone surface is reduced to the maximum extent, the influence on blood circulation is reduced to the maximum extent of the bone fracture plate 101, and meanwhile, the good fitting degree between the bone fracture plate 101 and the humeral bone surface is kept; still evenly be provided with a plurality of screw holes 102 on the coaptation board 101 for insert in screw hole 102 through the screw, fix coaptation board 101 at the humerus bone face, combine inclined plane 103, make when reducing the contact of coaptation board 101 and humerus bone face, guarantee coaptation board 101's intensity.

Example 2:

referring to fig. 2 and 3, in a second aspect, the bone plate 101 for humeral fracture is provided, the bone plate 101 is fixed on a humeral bone surface, a plurality of screw holes 102 are uniformly formed in the bone plate 101 along an axial direction of the bone plate 101, a contact surface between the bone plate 101 and the humeral bone surface is provided with an inclined surface 103, and an included angle between the inclined surface 103 and the humeral bone surface to which the bone plate 101 is attached is 30 degrees, so that an area of a surface of the bone plate 101, which is away from the humeral bone surface, is larger than an area of a contact surface between the bone plate 101 and the humeral bone surface.

Wherein the contained angle between the subsides back of above-mentioned coaptation board 101 and upper arm bone face and inclined plane 103 sets up to 30 degrees, can improve on the limited prerequisite of contacting coaptation board 101 of upper arm bone face, sets up inclined plane 103 with one side of the upper arm bone face of coaptation board 101 laminating, makes coaptation board 101 under intensity does not have too big change, further descends with the contact of bone face, has reduced the influence of coaptation board 101 to the blood circulation to avoid the bad influence to the fracture recovery of blood circulation.

Example 3:

referring to fig. 4, a third aspect of the present embodiment provides a bone plate 101 for fracture of a humerus, the bone plate 101 is fixed on a surface of a humerus, a plurality of screw holes 102 are uniformly formed in the bone plate 101 along an axial direction of the bone plate 101, and a contact surface of the bone plate 101 with the surface of the humerus is provided with an inclined surface 103, so that an area of a surface of the bone plate 101 away from the surface of the humerus is larger than an area of a contact surface of the bone plate 101 with the surface of the humerus; the bone fracture plate 101 with the one side both sides of humerus bone face contact still evenly are provided with a plurality of pressure-reducing grooves 104, and this pressure-reducing groove 104 can effectively reduce the pressure of bone fracture plate 101 to the humerus bone face, reduces the influence to the humerus fracture for the healing.

Example 4:

referring to fig. 4, a fourth aspect of the present embodiment provides a bone plate 101 for fracture of a humerus, the bone plate 101 being fixed to a surface of the humerus, the bone plate 101 being provided with a plurality of screw holes 102 uniformly along an axial direction of the bone plate 101, a contact surface of the bone plate 101 with the surface of the humerus being provided with an inclined surface 103, such that an area of a surface of the bone plate 101 away from the surface of the humerus is larger than an area of a contact surface of the bone plate 101 with the surface of the humerus; bone plate 101 with the one side both sides of humerus bone face contact still evenly are provided with a plurality of relief groove 104, the both ends of bone plate 101 are provided with arc end 105, the side of bone plate 101 all is provided with the radian, and above-mentioned arc end 105 and radian can effectively reduce bone plate 101 to the wearing and tearing of the surface of a wound, reduce patient's misery.

In the above embodiments, the plurality of screw holes 102 are symmetrically arranged on the bone plate 101 in the left-right direction, so that the balance degree of the bone plate 101 can be effectively ensured, and the correct butt joint of the humeral fracture part can be ensured.

Specifically, the bone plate 101 is implemented as follows:

soft tissues are evaluated, neurovascular functions are checked, and a standard positive position X-ray film of the whole humerus is shot, including adjacent joints, wherein the length of limbs, the recovery of the line and the correction of deformity are main treatment targets. The patient lies on the operating bed capable of transmitting X rays in a supine position, and the medical staff usually adopts an arm lateral incision, starting from the front edge of the deltoid dead center, on the lateral side of the upper arm, corresponding to the space between the biceps brachii and the triceps brachii, parallel to the lateral edge of the brachialis, and ending in the gap between the brachialis and the brachial radialis, and incises the skin to expose the brachial shaft. Then dissect and reset, this step can use the reduction forceps or kirschner wire to fix and reset, if necessary, the fluoroscopy is checked the reset condition, can use the instrument to have automatic centering bone-holding forceps, pointed end reduction forceps, guide pin.

Then further according to the fracture condition, select the coaptation board 101 of suitable length, place coaptation board 101 in the outer side of the humerus, install the guide pin drill bushing at the screw hole 102 at coaptation board 101 both ends, drill into the cortex of bone through the guide pin drill bushing with the guide pin, fix coaptation board 101 temporarily, screw in the screwed hole that needs the drilling with the drill bushing, the screw thread must coincide completely. The drill sleeve can ensure that the drilled hole channel has correct direction, so that the locking screw is correctly locked on the bone fracture plate 101, and specifically, a 2.8 drill bit is used for drilling through cortex lycii on the two sides through the drill sleeve; after drilling, the drill bit and the drill sleeve are removed, and 2 or more screws are fixed at both ends of the fracture. Exposing the bone plate 101 and the locking nails according to the original incision, stripping the surface of the bone plate 101 and the quick-assembling handle, matching with the hexagon socket screwdriver rod, unscrewing all the locking nails, taking out all the locking nails, and then taking down the bone plate 101. If the screw tail cap slides teeth, the locking nail cannot be taken out by using the inner hexagonal screwdriver, the SW2.5 sliding extractor and the quick-assembly handle can be vertically inserted into the inner hexagonal of the screw cap of the locking nail after being connected, and the locking nail is taken out in the anticlockwise direction. If the broken screw occurs, the broken screw extractor can be matched with the quick-mounting handle to enlarge the screw channel along the screw rod, and then the screw is taken out.

The utility model provides a bone fracture plate for humerus fracture, a plurality of screw holes that evenly set up on the bone fracture plate for insert the screw hole through the screw, fix the bone fracture plate at the humerus bone face, the inclined plane that the one side that combines coaptation plate and humerus bone face contact set up, make when reducing the contact of coaptation plate and humerus bone face, guarantee the intensity of bone fracture plate, make the influence of reduction to the blood circulation in the bone fracture plate at utmost, keep the better laminating degree of bone fracture plate and humerus bone face simultaneously, the suitability is higher.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (6)

1. The utility model provides a bone fracture plate for humerus fracture, the bone fracture plate is fixed on the humerus bone face, its characterized in that, evenly be provided with a plurality of screw holes on the bone fracture plate along the bone fracture plate axial, the bone fracture plate with the contact surface of humerus bone face is provided with the inclined plane, makes the area that the bone fracture plate kept away from the one side of humerus bone face is greater than the bone fracture plate with the area of the contact surface that the humerus bone face contacted.

2. The bone plate for humeral fracture according to claim 1, wherein an angle between the inclined surface and the humeral surface to which the bone plate is attached is 30 degrees.

3. The bone plate for humeral fracture according to claim 1, wherein a plurality of pressure reduction grooves are uniformly formed on both sides of a surface of the bone plate which contacts the humeral surface.

4. The bone plate for humeral fracture according to claim 1, wherein a plurality of the screw holes are provided in bilateral symmetry on the bone plate.

5. The bone plate for humeral fracture according to claim 1, wherein both ends of the bone plate are provided with arc-shaped tips.

6. The bone plate for humeral fracture according to claim 1, wherein the sides of the bone plate are each provided with a curvature.

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