CN214208467U - Phalanx bone fracture plate - Google Patents

Abstract

The utility model discloses a phalanx bone fracture plate, which is characterized in that a bent tooth is arranged at one end part of a bone fracture plate main board, when the bent tooth is used, the end part of a phalanx can be hooked, and further, a screw is screwed in a screw hole, and the bone fracture plate is fixed by the fixing force after the screw is screwed in and the hooking fixing force of the bent tooth, so that the bone fracture plate is more stably fixed on the phalanx by the combination of two forces; furthermore, the bending teeth comprise a bending part, a straight rod part and a pointed head part, the pointed head part at the end part can well hold the end part of the phalange by combining the screwing-in fixing force of the screw, and the bending part and the straight rod part can reduce the sliding of the bending teeth, so that the bone fracture plate is fixed more firmly.

Description

Phalanx bone fracture plate

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to phalanx coaptation board.

Background

In daily life, the finger bone fracture is inevitable, which causes serious inconvenience to people's daily life. Generally, after the phalanges are fractured, the phalanges are fixed through a bone fracture plate, a bone plate specially used for the phalanges is not arranged in the early stage, and when the phalanges are used, only one bone plate as much as the phalanges is found for fixation, so that the restoration of the whole phalanges or the whole palms is defective. In order to solve this problem, chinese patent document CN204033463U discloses a miniature bone plate for finger bones or toe bones, which includes: the stainless steel sheet is bent inwards to form a concave cambered surface, and N screw holes are formed in the concave cambered surface stainless steel sheet; furthermore, in order to firmly fix the miniature bone fracture plate and the finger bones and ensure that the miniature bone fracture plate is suitable for different parts of the finger bones in different thicknesses, and screws can be fixed on the miniature bone fracture plate at multiple points, the arc-shaped stainless steel sheet is designed into a T-shaped structure, the top end of the arc-shaped stainless steel sheet has a concave cambered surface bending radius R at the transverse part and a longitudinal concave part, and a plurality of screw holes are uniformly distributed on the transverse part and the longitudinal part in a single row. The patent documents mentioned above form a T-shaped arc structure by design, and after the finger bone is fractured, the micro bone plate is placed at the fracture site, the transverse part is placed at the thick bone end, the longitudinal part is placed at the thin bone end, three holes are drilled at any selected one of the screw holes on the transverse part and the longitudinal part, and the fracture site is fixed by contacting the bone plate with the bone surface through screws. Therefore, the finger bone of the fracture is connected together by fixing the three parts of the bone fracture plate, and then the healing effect is achieved, but the finger bone is fixed by the three parts and cannot be firmly shifted due to the fact that the bone density is small or the size is small, and the finger bone is not well healed due to the fact that the finger bone is fixed by the three parts.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a phalanx coaptation board, it includes: the bone fracture plate main plate is in an arc-shaped design, and a plurality of screw holes are formed in the bone fracture plate main body; two side plates are formed on two sides of one end of the main plate of the bone fracture plate, and the two side plates are designed in an arc shape; the end parts of the two side plates arranged on the main plate of the bone fracture plate are provided with bent teeth, each bent tooth comprises a bent part, a straight rod part and a pointed part, and the bent parts are connected with the main plate of the bone fracture plate.

Furthermore, screw holes are formed in the end portions, far away from the main plate of the bone fracture plate, of the two side plates.

Furthermore, the two side plates are respectively connected with the main plate of the bone fracture plate through connecting parts, and at least one first groove is formed on one surface of each connecting part, which is in contact with the phalanx.

Further, the cross section of the groove is arc-shaped.

Further, the connecting part is in a contraction arrangement.

Furthermore, a first strip-shaped fixing hole is formed in the position, close to the middle, of the bone fracture plate main plate, and the length direction of the first strip-shaped fixing hole is consistent with that of the bone fracture plate main plate.

Further, with adjacent and being close to of first rectangular fixed orifices the curb plate position be formed with the rectangular fixed orifices of second on the coaptation board mainboard, the length direction of the rectangular fixed orifices of second with the length direction looks vertical of first rectangular fixed orifices.

Furthermore, a plurality of reduction forceps fixing grooves are also formed in the main plate of the bone fracture plate.

Furthermore, the periphery of the main plate of the bone fracture plate is arranged in a wave pattern.

Furthermore, one side of the bone plate main plate, which is in contact with the phalanges, is provided with at least one second groove.

Compared with the prior art, the technical scheme of the utility model have following advantage:

(1) the phalanx bone fracture plate of the utility model is provided with the bent teeth at one end of the bone fracture plate main board, when the bent teeth are used, the bent teeth can hook the end of the phalanx, and further, screws are screwed in the screw holes, and the fixing force after the screws are screwed in and the fixing force of the bent teeth hook the bone fracture plate are combined to ensure that the bone fracture plate is more stably fixed on the phalanx; furthermore, the bending teeth comprise a bending part, a straight rod part and a pointed head part, the pointed head part at the end part can well hold the end part of the phalange by combining the screwing-in fixing force of the screw, and the bending part and the straight rod part can reduce the sliding of the bending teeth, so that the bone fracture plate is fixed more firmly.

(2) The utility model discloses a phalanx coaptation board, through setting up the both sides board, and then be provided with the screw hole at the tip of both sides board, the accessible screw is fixed to the fix with screw power of three direction and the stationary force of crooked tooth can form three-dimensional fixed mode, the fixed not firm problem of shifting of the most probable reduction coaptation board.

(3) The phalanx bone fracture plate of the utility model is more convenient and labor-saving when bending plasticity is needed by arranging the strip-shaped groove on the side plate; or, because the bone has a certain elastic equivalent, after the plasticity is finished or in the subsequent bone growth process, a little bone is filled in the groove space after the plasticity, so that the bone fracture plate is more stable in the recovery process after being fixed; or when the length side plate is not needed, a part of the side plate can be conveniently broken, and various bone types can be used.

(4) The utility model discloses a phalanx coaptation board, through setting up the rectangular shape fixed orifices of equidirectional, can make the coaptation board mainboard have certain power of dragging to crooked tooth through the difference of the orientation that the screw nail goes into, make the fixed back of coaptation board, more firm.

(5) The phalanx bone fracture plate of the utility model has the advantages that the connecting part is designed in a shrinkage way, so that the plasticity is easier; the bone fracture plate main board is provided with the recess on the one side of contacting the bone, and when the bone fracture plate is fixed, there is a little bone filling recess space behind the plasticity, makes the bone fracture plate after fixed, and is more firm at the recovery in-process.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a front view of a phalangeal bone plate of the present invention;

FIG. 2 is a bottom view of FIG. 1;

FIG. 3 is a right side view of FIG. 1;

fig. 4 is a perspective view of a phalangeal bone plate of the present invention;

fig. 5 is a schematic structural view of a phalangeal bone plate of the present invention;

the reference numbers in the figures denote: 1-a bone fracture plate main board; 2-screw holes; 3-side plate; 4-bending the teeth; 5-a connecting part; 6-a first groove; 7-a first elongated fixation hole; 8-a second elongated fixation hole; 9-a reset clamp fixing groove; 10-a second groove; 41-a bend; 42-straight rod part; 43-spike portion.

Detailed Description

The present invention now will be described more fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the invention are shown. The embodiments in the present invention, other embodiments obtained by a person of ordinary skill in the art without creative work, all belong to the protection scope of the present invention.

Example 1

As shown in fig. 1 to 4, the phalanx bone fracture plate disclosed in this embodiment includes a bone fracture plate main plate 1, the shape of the bone fracture plate main plate 1 is preferably a long-strip arc design, in order to make the bone fracture plate reduce stimulation to muscle tissue, a junction between adjacent surfaces of the bone fracture plate main plate may be designed as an arc transition, further, in order to reduce stimulation to periosteum by the bone fracture plate, the periphery of the bone fracture plate main plate 1 is designed as a wave pattern, and an arc at one end portion is matched with the wave pattern; the bone plate main body 1 is provided with a plurality of screw holes 2, the number of the screw holes 2 is not particularly limited, the designed position is generally arranged along the length direction of the bone plate main plate 1, further, in order to make the bone plate more firmly fixed, a first strip fixing hole 7 is formed at the position of the bone plate main plate 1 close to the middle, the length direction of the first strip fixing hole 7 is consistent with the length direction of the bone plate main plate 1, furthermore, a second strip fixing hole 8 is formed on the bone plate main plate 1 adjacent to the first strip fixing hole 7 and close to the side plate 2, the length direction of the second strip fixing hole 8 is vertical to the length direction of the first strip fixing hole 7, the two strip holes are designed to adjust the position of the bone plate in the operation process through the inclined force application direction of the screw, the structure of the two elongated holes is not particularly limited, in this embodiment, the elongated holes include an upper half portion whose side wall is an arc-shaped structure and a lower half portion of a straight cylinder, and the upper half portion of the arc-shaped structure applies force to the side wall of the elongated hole through a spherical or hemispherical nut of a screw to finely adjust the position of the bone fracture plate; two side plates 2 are formed on two sides of one end of the bone fracture plate main plate 1, the two side plates 2 are designed in an arc shape, screw holes are formed in end portions, far away from the bone fracture plate main plate 1, of the two side plates 2, preferably, the two side plates 2 are respectively connected with the bone fracture plate main plate 1 through connecting portions 5, at least one first groove 6 is formed in one face, contacting with finger bones, of the connecting portions 1, the first groove 6 is various in shape, the cross section of the first groove is preferably in an arc shape, in the embodiment, the cross section of the first groove is semicircular, the first grooves in the connecting portions 5 are preferably symmetrically arranged, and further, the connecting portions 5 are arranged in a shrinkage mode; the end parts of the two side plates 2 arranged on the main plate 1 of the bone plate are provided with bent teeth 4, the number and the structure of the bent teeth 4 are not particularly limited, in the embodiment, the number of the bent teeth 4 is 2, the bent teeth 4 comprise a bent part 41, a straight rod part 42 and a pointed part 43, the bent part 41 is connected with the main plate 41 of the bone plate, further, the arc angle of the bent part 41 is not particularly limited, preferably, the arc angle of the bent part 41 is 90 degrees; the bone fracture plate main plate 1 is also provided with a plurality of reduction forceps fixing grooves 9, the number of the reduction forceps fixing grooves is not limited, in the embodiment, the reduction forceps fixing grooves is 4, and the reduction forceps fixing grooves are distributed among the screw holes and the long holes at intervals.

Example 2

As shown in fig. 5, the present embodiment discloses a phalangeal bone plate which is a modification of embodiment 1, wherein: the side, in contact with the phalanges, of the bone plate main plate 1 is provided with at least one second groove 10, the second groove 10 is arranged between the screw hole and the strip-shaped hole, and the thickness of the second groove is 1/20-1/10 of the thickness of the bone plate main plate 1.

The application process of the phalangeal bone plate is as follows: selecting finger part with finger bone injury, cutting skin muscle tissue to the end part of the finger bone, correcting the finger bone, placing the bone plate, especially clamping the bent teeth, plastically fixing the bone plate, and suturing skin muscle tissue,

it should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims (10)

1. A phalangeal plate, comprising: the bone fracture plate main plate is in an arc-shaped design, and a plurality of screw holes are formed in the bone fracture plate main body; two side plates are formed on two sides of one end of the main plate of the bone fracture plate, and the two side plates are designed in an arc shape; the end parts of the two side plates arranged on the main plate of the bone fracture plate are provided with bent teeth, each bent tooth comprises a bent part, a straight rod part and a pointed part, and the bent parts are connected with the main plate of the bone fracture plate.

2. The phalangeal plate of claim 1, wherein the end portions of the side plates remote from the main plate are provided with screw holes.

3. The phalangeal bone plate according to claim 1 or 2, wherein the two side plates are respectively connected with the main plate via a connecting portion, and at least one first groove is formed on the side of the connecting portion contacting with phalanges.

4. The phalangeal plate of claim 3, wherein said recess is arcuate in cross-section.

5. The phalangeal plate of claim 4, wherein said connection portion is configured to be constricted.

6. The phalangeal plate of claim 5, wherein a first elongated hole is formed near the middle of the plate main plate, and the length direction of the first elongated hole is identical to the length direction of the plate main plate.

7. The phalangeal plate of claim 6, wherein a second elongated fixation hole is formed in said main plate adjacent to said first elongated fixation hole and adjacent to said side plate, wherein a length of said second elongated fixation hole is perpendicular to a length of said first elongated fixation hole.

8. The phalangeal bone plate of claim 7, wherein a plurality of reduction clamp fixing grooves are further formed on said plate main body.

9. The phalangeal bone plate of claim 8, wherein said plate main plate is contoured about its periphery.

10. The phalangeal plate of claim 9, wherein the main plate has at least one second recess formed in a surface thereof contacting the phalanges.

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