CN221431173U - Bone fracture plate - Google Patents

Abstract

The utility model belongs to the technical field of medical appliances, and discloses a bone fracture plate. The bone fracture plate comprises a plate body, a guide piece and a fixing piece, wherein a bending groove is formed in the side face of the plate body, and a plurality of fixing holes distributed in an array shape are formed in the plate body; a plurality of guide members detachably connected to the fixation holes, the guide members configured to provide guidance when drilling a bottom hole in the structure to be fractured; the fixing member can pass through the fixing hole and be implanted into the bottom hole. The bone fracture plate can be rapidly molded, the universality of the bone fracture plate is improved, the operation time is reduced, the guide piece is further arranged, the guide effect is good, the installation is convenient, metal fragments can be prevented from falling into a human body due to the occlusion of staggered teeth between the fixing piece and the fixing hole, and the integrity of the bone fracture plate structure is ensured.

Description

Bone fracture plate

Technical Field

The utility model belongs to the technical field of medical appliances, and particularly relates to a bone fracture plate.

Background

The bone fracture plate is one modern fracture internal fixing technology, and adopts closed fracture reduction technology and uses bone fracture plate to fix to maintain fracture alignment, so that the operation exposure and soft tissue peeling degree are minimized, the damage to blood supply of skin, periosteum, fracture block and other tissues is reduced, the fracture healing rate can be improved, and the occurrence rate of complications such as infection or fracture nonunion is reduced.

Prior art bone plates typically have the following drawbacks:

1) The whole side surface of the bone fracture plate is a straight line segment, so that a doctor is difficult to quickly shape the bone fracture plate to adapt to different fracture conditions in the operation process, the universality is low, the operation difficulty of bending the bone fracture plate in the operation process is increased, and the operation time is prolonged;

2) Be provided with the locking screw hole on the bone plate, can be because of not using relevant apparatus or apparatus misuse when locking screw hole implantation locking screw, cause the bottom hole of treating the coaptation structure to deviate from locking screw hole axis direction to lead to when locking screw is twisted in, the screw cap screw thread is interlock with the screw thread dislocation of locking screw hole, not only can destroy the screw thread profile, leads to the metal piece to fall into the human body, can also make the screw structure destroy, leads to fixed inefficacy.

Accordingly, there is a need for a bone plate that addresses the above-described issues.

Disclosure of utility model

The utility model aims to provide a bone fracture plate which not only can be rapidly shaped and improves the universality, but also can prevent metal scraps from falling into a human body due to the screw thread staggered tooth occlusion of a fixing piece and a fixing hole, and ensures the integrity of the screw thread structure of the fixing hole.

To achieve the purpose, the utility model adopts the following technical scheme:

a bone plate for connecting a structure to be fractured, the bone plate comprising:

the plate body is provided with bending grooves on the side surface, and a plurality of fixing holes distributed in an array shape are formed in the plate body;

A guide member detachably connected to the fixation holes, the guide member being configured to provide guidance when drilling a pilot hole in the structure to be fractured;

And the fixing piece can pass through the fixing hole and be implanted into the bottom hole.

Preferably, the plate body is of a T-shaped structure.

Preferably, the plate body comprises a head and a body, the head is vertically connected with the body, and the head and the body are both provided with the fixing holes.

Preferably, the head is of arcuate configuration.

Preferably, the bending grooves are arranged between every two fixing holes.

Preferably, the guide member includes a connecting portion and a guide portion connected to each other, the connecting portion is detachably connected to the fixing hole, and through holes penetrating through the connecting portion and the guide portion in order are provided in the connecting portion and the guide portion.

Preferably, the diameter of the fixing hole is gradually reduced from top to bottom in the vertical direction.

Preferably, the fixing hole comprises a first hole and a second hole which are distributed up and down and are communicated, the first hole is a light hole, and the second hole is a threaded hole;

The fixing piece comprises a fixing rod part and a fixing cap part which are connected, the fixing rod part can be implanted into the bottom hole, an external thread is arranged on the outer surface of the fixing cap part, and the external thread is in threaded fit with the internal thread of the second hole.

Preferably, the fixing hole comprises a first hole and a second hole which are distributed up and down and are communicated, the first hole is a light hole, and the second hole is a threaded hole;

The fixing piece comprises a fixing rod part and a fixing cap part which are connected, the fixing rod part can be implanted into the bottom hole, the outer surface of the fixing cap part is a smooth arc surface, and the fixing cap part can be attached to the wall of the first hole.

Preferably, the length of the guide member is in the range of 15mm to 25mm.

The beneficial effects are that:

The utility model provides an improved design of a bone fracture plate, which comprises a plate body, a guide piece and a fixing piece. The side surface of the plate body is provided with the bending groove, so that doctors can conveniently cut redundant gaps, redundant bone plates can be cut according to the actual condition of fracture, doctors can conveniently and rapidly shape the bone plates, the universality of the bone plates is improved, bending is facilitated, and the plate body achieves proper physiological curvature; the plate body is provided with a plurality of fixing holes distributed in an array shape, the plurality of guide pieces are detachably connected with the fixing holes, the guide pieces are configured to provide guide when the bottom holes are drilled on the bone fracture structure, the implant can be more accurately placed in the bone fracture plate in operation through the arrangement, metal scraps can be prevented from falling into a human body due to the occlusion of staggered teeth between the fixing pieces and the fixing holes, and the integrity of the bone fracture plate is ensured; the fixing piece can be implanted into the bottom hole through the fixing hole, so that the structure to be fractured is connected with the bone plate, and the reliability of fracture fixation is improved.

Drawings

FIG. 1 is a schematic view of a plate body and guide member cooperating with each other according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a plate and a fixing member according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a fixing member according to an embodiment of the present utility model;

fig. 4 is a schematic structural view of a fixing member according to a second embodiment of the present utility model.

In the figure: 1. a plate body; 11. a bending groove; 12. a fixing hole; 121. a first hole; 122. a second hole; 13. a head; 14. a body;

2. a guide member; 21. a connection part; 22. a guide part; 23. a through hole;

3. A fixing member; 31. a fixed rod part; 32. and fixing the cap part.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are orientation or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

Embodiment one:

Fig. 1 shows a schematic structural diagram of the cooperation of the plate body 1 and the guide member 2 provided in the present embodiment, and fig. 2 shows a schematic structural diagram of the cooperation of the plate body 1 and the fixing member 3 provided in the present embodiment. As shown in fig. 1-2, the present embodiment provides a bone fracture plate for connecting a structure to be fractured, the bone fracture plate includes a plate body 1, a guiding element 2 and a fixing element 3, a bending groove 11 is arranged on a side surface of the plate body 1, and a plurality of fixing holes 12 distributed in an array shape are arranged on the plate body 1; a plurality of guides 2 removably connected to the fixation holes 12, the guides 2 being configured to provide guidance when drilling a bottom hole in the structure to be fractured; the fixing member 3 can pass through the fixing hole 12 and be implanted in the bottom hole. By arranging the bending groove 11 on the plate body 1, a doctor can more conveniently cut redundant vacancy fixing holes 12 before operation according to fracture conditions so as to perform rapid shaping, the universality of the bone fracture plate is improved, and the arrangement is more convenient to bend, so that the bone fracture plate reaches physiological curvature suitable for fracture positions; by arranging the guide piece 2, the guide is provided when the bottom hole is drilled on the structure to be fractured, so that the bone fracture plate can be more accurately placed into an implant in operation, and the bottom hole of the structure to be fractured is prevented from deviating from the axial direction of the locking fixing hole 12 because related instruments or improper use of the instruments are not used when the fixing piece 3 is implanted in the fixing hole 12, the phenomenon that metal scraps fall into a human body due to the fact that the fixing piece 3 is engaged with the fixing hole 12 in a staggered manner is prevented, and the integrity of the bone fracture plate structure is ensured; by providing the fixing element 3, it can be implanted into the bottom hole of the structure to be fractured through the fixing hole 12, so that the structure to be fractured is connected with the bone plate, and the reliability of fracture fixation is increased.

In the embodiment, the plate body 1 is of a T-shaped structure, so that the bone fracture plate can adapt to the bone fracture structures to be fractured under different fracture conditions, and the universality of the bone fracture plate is improved. In other embodiments, the plate body 1 may have other shapes such as a "Feng" shape, and may be connected to more structures to be fractured. Further, the plate body 1 comprises a head 13 and a body 14, the head 13 is vertically connected with the body 14, and fixing holes 12 are formed in the head 13 and the body 14. In the embodiment, the head 13 and the body 14 are of an integrally formed structure, and the integrally formed plate 1 has stable quality and good consistency. In other embodiments, the head 13 and the body 14 may be detachably connected, that is, the head 13 is provided with a plugboard, the body 14 is provided with a slot in plug-in fit with the plugboard, or the head 13 is provided with a plugboard in plug-in fit with the slot, the head 13 and the body 14 are detachably connected by inserting the plugboard into the slot, and the head 13 with different numbers of fixing holes 12 or the body 14 with different numbers of fixing holes 12 can be replaced correspondingly according to fracture conditions. In other embodiments, the head 13 and the body 14 may be fixedly connected by welding, which is not particularly limited in this embodiment.

Preferably, the head 13 is of an arc-shaped structure, and through the arrangement, the head 13 can be more attached to the physiological curvature of the surface of the structure to be fractured, so that the bone fracture plate is more in accordance with the physiological anatomy structure, and has good biomechanical performance. Further, bending grooves 11 are formed between every two fixing holes 12, and a doctor can cut out the fixing holes 12 along the positions of the bending grooves 11 according to fracture conditions before operation, so that the universality of the bone fracture plate is improved; the bending groove 11 is smaller than the rest of the plate body 1, so that the plate body 1 is more convenient for a doctor to cut before operation. Further, the guide member 2 includes a connecting portion 21 and a guide portion 22 which are connected, the connecting portion 21 is detachably connected with the fixing hole 12, the guide member 2 is detachably connected with the fixing hole 12 through the connecting portion 21 before the bottom hole is drilled for the bone structure, and the guide member 2 is removed after the bottom hole is drilled. Specifically, the connecting portion 21 is screwed with the fixing hole 12; through holes 23 which sequentially penetrate through the connecting part 21 and the guiding part 22 are formed in the connecting part and the guiding part, and a drill bit penetrates through the through holes 23 to drill a bottom hole in a structure to be fractured, so that the guiding part 2 can provide guiding when the bottom hole is drilled in the structure to be fractured during operation.

Fig. 3 shows a schematic structural view of the fixing member 3 provided in the present embodiment. As shown in fig. 3 and in combination with fig. 2, the fixing hole 12 includes a first hole 121 and a second hole 122 which are vertically distributed and are communicated, the first hole 121 is a light hole, and the second hole 122 is a threaded hole; the fixing piece 3 comprises a fixing rod portion 31 and a fixing cap portion 32 which are connected, the fixing rod portion 31 can be implanted into the bottom hole, external threads are formed on the outer surface of the fixing cap portion 32, the external threads are matched with internal threads of the second hole 122 in a threaded mode, the plate body 1 can be used as a locking bone plate through the arrangement, and the fixing piece 3 is used as a locking nail. When the plate body 1 is used as a locking bone plate, the fixing piece 3 is used as a locking nail, the hole is directly drilled through the guide piece 2 on the bone plate, then the hole is locked, the deviation of the locking nail from the bottom hole in operation is avoided, the fixing piece 3 and the plate body 1 of the bone plate are fully locked, and the fixing strength of the bone plate to the bone structure is ensured. Further, the diameter of the fixing hole 12 gradually decreases from top to bottom along the vertical direction, so that the fixing cap 32 and the second hole 122 are firmly fixed, and the first hole 121 diameter is larger than or equal to the second hole 122 diameter, so that the fixing piece 3 can scratch the inner wall of the first hole 121, and metal scraps fall into a human body.

Preferably, the length range of the guide piece 2 is 15mm-25mm, and the problem that the guide piece 2 is too long to shake greatly when positioning the bone plate can be avoided through the arrangement, so that the drilling positioning in the operation process of a doctor is facilitated, and the operation stability is improved. If necessary, a threaded bending needle may be used to contour the plate body 1 to the anatomy of the patient and a bending pin may be used to insert on the guide 2 or into the fixation hole 12 to prevent the fixation hole 12 from deforming when bending.

Embodiment two:

Fig. 4 shows a schematic structural view of the fixing member 3 provided in the present embodiment. As shown in fig. 4 and fig. 2, the present embodiment provides a bone fracture plate, which has substantially the same structure as the first embodiment, and the same points are not repeated, wherein the fixing hole 12 includes a first hole 121 and a second hole 122 which are vertically distributed and are communicated, the first hole 121 is a light hole, and the second hole 122 is a threaded hole; the mounting 3 includes the dead lever portion 31 and the fixed cap portion 32 that are connected, and dead lever portion 31 can implant in the bottom hole, and fixed cap portion 32 surface is smooth arc surface, and can laminate mutually with the pore wall of first hole 121, can regard as the pressurization board to use through this setting plate body 1, and mounting 3 is as the pressurization nail and uses. When the plate body 1 is used as a pressurizing plate and the fixing piece 3 is used as a pressurizing nail, the fixing holes 12 at different positions can be selected to avoid fracture areas, so that the fixation failure of the endophyte in fracture healing is prevented, the reliability of fracture fixation is improved, the success of operation is ensured, and the pain of secondary operation of a patient is reduced.

By providing the first holes 121 as light holes and the second holes 122 as threaded holes, either locking nails or compression nails can be selectively implanted in the fixation holes 12. The locking pin is the fixing piece 3 provided in the first embodiment, namely, the fixing piece 3 in which the fixing cap part 32 is in threaded fit with the second hole 122; the pressing nail is the fixing piece 3 provided in the second embodiment, that is, the fixing piece 3 which has a smooth arc surface on the outer surface of the fixing cap portion 32 and can be attached to the hole wall of the first hole 121. The appropriate fixing piece 3 is selected for implantation according to the fracture types of patients, the fracture ends are pressurized or locked, and the specification of the bone fracture plate is not required to be changed and adjusted because the appropriate fixing holes 12 are not formed, so that the operation is more convenient.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (6)

1. A bone plate for connecting a structure to be fractured, the bone plate comprising:

the plate comprises a plate body (1), wherein bending grooves (11) are formed in the side face of the plate body (1), and a plurality of fixing holes (12) distributed in an array shape are formed in the plate body (1);

A guide member (2), a plurality of said guide members (2) being detachably connected to said fixation holes (12), said guide member (2) being configured to provide guidance when drilling a bottom hole in said structure to be fractured;

A fixing element (3), the fixing element (3) being able to pass through the fixing hole (12) and to be implanted in the bottom hole;

the plate body (1) is of a T-shaped structure;

The plate body (1) comprises a head (13) and a body (14), wherein the head (13) is vertically connected with the body (14), and the fixing holes (12) are formed in the head (13) and the body (14);

The head part (13) is of an arc-shaped structure;

The guide piece (2) comprises a connecting part (21) and a guide part (22) which are connected, the connecting part (21) is detachably connected with the fixing hole (12), and through holes (23) penetrating through the connecting part (21) and the guide part (22) in sequence are formed in the connecting part and the guide part.

2. Bone plate according to claim 1, characterized in that the bending grooves (11) are provided between each two of the fixation holes (12).

3. The bone plate according to claim 1, characterized in that the diameter of the fixation hole (12) decreases gradually from top to bottom in the vertical direction.

4. The bone plate according to claim 1, wherein the fixation hole (12) comprises a first hole (121) and a second hole (122) which are vertically distributed and are communicated, the first hole (121) being a light hole, and the second hole (122) being a threaded hole;

The fixing piece (3) comprises a fixing rod portion (31) and a fixing cap portion (32) which are connected, the fixing rod portion (31) can be implanted into the bottom hole, external threads are arranged on the outer surface of the fixing cap portion (32), and the external threads are in threaded fit with internal threads of the second hole (122).

5. The bone plate according to claim 1, wherein the fixation hole (12) comprises a first hole (121) and a second hole (122) which are vertically distributed and are communicated, the first hole (121) being a light hole, and the second hole (122) being a threaded hole;

The fixing piece (3) comprises a fixing rod portion (31) and a fixing cap portion (32) which are connected, the fixing rod portion (31) can be implanted into the bottom hole, the outer surface of the fixing cap portion (32) is a smooth arc surface, and the fixing cap portion can be attached to the hole wall of the first hole (121).

6. Bone plate according to any one of claims 1-5, characterized in that the length of the guide (2) ranges from 15mm to 25mm.