CN216823620U - Metacarpal orthopedic compression locking plate - Google Patents
Metacarpal orthopedic compression locking plate Download PDFInfo
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- CN216823620U CN216823620U CN202122813886.XU CN202122813886U CN216823620U CN 216823620 U CN216823620 U CN 216823620U CN 202122813886 U CN202122813886 U CN 202122813886U CN 216823620 U CN216823620 U CN 216823620U
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- locking
- locking plate
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- hole
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Abstract
The utility model discloses a metacarpal orthopedic compression locking plate, which comprises: the locking plate comprises a locking plate body, wherein the locking plate body is used as a carrier for connecting a bone; the locking holes are distributed in the extending direction of the locking plate body; the waist type groove, the extending direction in waist type groove with perpendicular or be the acute angle between the axis of lockplate body. The locking plate disclosed by the utility model can rotate or move to a certain degree if two broken bones cannot be completely attached in an operation, so that the attaching precision between the broken bones is greatly facilitated, and the operation difficulty of a doctor is reduced; and the fixation between the locking plate and the bone substance forms a fixation on one surface, thereby improving the stability between the locking plate and the bone substance.
Description
Technical Field
The utility model relates to the technical field of surgical instruments, in particular to a metacarpal orthopedic compression locking plate.
Background
The orthopedic compression locking plate is generally applied to bone reduction and bone fixation after bone resection, in particular to deformity correction of bone, such as pathological fracture operations of rotation, extension, shortening and the like of finger bones. Generally speaking, a compression locking plate is used for connecting broken or fractured bone bones to help the bone to heal again, and the specific method is that one end of the compression locking plate is connected with one of the bone fragments through a locking nail, and the other end of the compression locking plate is connected with the other bone fragment through the locking nail, so that the two bone fragments are connected and fixed to assist the healing of the two bone fragments;
The existing compression locking plate has certain defects: when the existing pressurizing locking plate is reused, a doctor needs to completely align the broken bones and then connect the broken bones, so that the operation difficulty of the doctor is higher, and in the process of connecting the broken bones, the broken bones are easy to slightly move, so that the broken bones are difficult to be tightly attached, and the later-period bone healing is not facilitated; in addition, the existing pressurizing locking plate has poor stability for locking sclerotin, is easy to loose, has low fitting degree between the pressurizing locking plate and the sclerotin, and is easy to influence surrounding soft tissues.
Under the circumstances, the present invention provides a metacarpal orthopedic compression locking plate to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a metacarpal orthopedic compression locking plate, which solves the above problems.
In order to solve the technical problems, the utility model provides the following technical scheme: an orthopedic of metacarpal compression locking plate comprising: the locking plate body is used as a carrier for connecting sclerotin; the locking holes are distributed in the extending direction of the locking plate body; the waist type groove, the extending direction in waist type groove with perpendicular or be the acute angle between the axis of lockplate body.
Preferably, the waist-shaped groove comprises: the first waist-shaped groove and the central axis of the locking plate body form an acute angle; and the second waist-shaped groove is perpendicular to the central axis of the locking plate body.
Preferably, the first waist-shaped groove is an arc-shaped groove.
Preferably, the locking plate body comprises a head plate body, a neck plate body and a tail plate body which are arranged in sequence; the locking holes comprise a first locking hole, a second locking hole and a third locking hole; the first locking hole is located on the head plate body, the second locking hole is located on the neck plate body, and the third locking hole is located on the tail plate body; the number of the second locking holes is multiple, and the second locking holes are distributed in an S shape.
Preferably, the first waist-shaped groove is positioned on the head plate body; the second waist-shaped groove is positioned on the tail board body.
Preferably, the first locking hole comprises a first hole and a second hole, and the first waist-shaped groove and the first hole or the first waist-shaped groove and the second hole are of a concentric structure.
Preferably, the locking plate body is of a cambered surface structure.
Preferably, the locking hole is a threaded hole, and the locking hole includes: a locking hole body; and the reversing grooves are distributed at the edge of the locking hole body and communicated with the locking hole body.
Preferably, the inner wall surface of the waist-shaped groove is of a conical surface structure.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the locking plate disclosed by the utility model, the waist-shaped groove which is vertical to or forms an acute angle with the central axis of the locking plate body is arranged on the locking plate, so that if two broken bones cannot be completely attached, the two broken bones also need to be rotated or moved to a certain degree, and the broken bones can be driven to be finely adjusted by directly adjusting the positions of cortical bone screws in the waist-shaped groove, so that the locking plate has great help for the attachment precision of the broken bones and also reduces the operation difficulty of a doctor;
2. according to the locking plate disclosed by the utility model, the locking holes distributed in an S shape are formed in the middle of the locking plate, so that the locking plate and the bone are fixed on one surface instead of one straight line, and the stability between the locking plate body and the bone is improved;
3. the locking plate disclosed by the utility model is of a cambered surface structure, so that the preformed anatomical surface and the appearance design of the locking plate are more fit with the anatomical physiological structure of bones, and the fit degree and the stability between the locking plate and bone are improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a perspective view of an orthopedic metacarpal compression locking plate in accordance with an embodiment of the present invention;
FIG. 2 is a perspective view of a locking aperture in an embodiment of the present invention;
FIG. 3 is an elevation view of an orthopedic metacarpal compression locking plate in accordance with an embodiment of the present invention;
FIG. 4 is a front view of a locking hole in an embodiment of the present invention;
in the figure:
the locking plate comprises a locking plate body 1, a head plate body 11, a neck plate body 12 and a tail plate body 13;
a locking hole 2, a first locking hole 21, a first hole 211, a second hole 212, a second locking hole 22, a third locking hole 23, a locking hole body 2a, a reversing groove 2 b;
a waist-shaped groove 3, a first waist-shaped groove 31 and a second waist-shaped groove 32.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment is as follows: as shown in fig. 1 to 4, the present embodiment provides an optimal scheme of a metacarpal bone orthopedic compression locking plate, specifically, the locking plate includes a locking plate body 1 as a carrier for connecting a bone, the locking plate body 1 is a plate-shaped strip structure and is adapted to a metacarpal bone of a human body, and the locking plate is designed to be implanted transversely and directly from the back side, so that the implantation manner of the locking plate can avoid soft tissues such as tendons, and the stimulation to the soft tissues can be reduced;
furthermore, as the metacarpal bones of the human body, especially the finger bones, are arc-shaped structures with larger bending degree in the circumferential direction, when the locking plate body 1 is connected with the bone, the fitting degree and the stability between the locking plate body 1 and the bone need to be considered, and based on the consideration, the locking plate body 1 is set into the arc-shaped structure, so that the preformed anatomical surface and the appearance design of the locking plate body 1 can be more fitted with the anatomical physiological structure of the bone;
furthermore, in order to realize splicing, shape correction, fixation and the like of the broken metacarpal bones, the locking plate also comprises a plurality of locking holes 2, and the locking holes 2 are distributed in the extending direction of the locking plate body 1, when the locking plate is used, locking nails are driven into some locking holes 2 and are simultaneously placed into a fragment of a certain broken metacarpal bone, other locking nails are driven into the rest locking holes 2, and other locking nails are simultaneously placed into other fragments, so that a plurality of broken bone substances can be connected through the locking plate body 1 and the locking nails;
Furthermore, in order to realize more stable combination between the locking plate body 1 and the broken metacarpal bone, the locking hole 2 is set to be a threaded hole, the corresponding locking nail is a screw, the locking plate body 1 and the broken metacarpal bone can be stably connected through the meshing action of screw teeth, a stable environment is provided for subsequent bone ingrowth and bone connection, in addition, the inner wall surface of the locking hole 2 is of a conical surface structure, the head of the screw can sink into the locking hole 2, and the damage to soft tissues is avoided;
furthermore, each locking hole 2 comprises a locking hole body 2a and a plurality of reversing grooves 2b distributed at the edge of the locking hole body 2a, and the reversing grooves 2b are communicated with the locking hole body 2a, so that when the screw is placed into the locking hole 2, the screw can swing by an angle, namely the head of the screw can be deviated into one reversing groove 2b, and the screw can be placed into the bone fragments at different angles, so that the splicing of the bone fragments with more complicated conditions can be adapted;
further, the locking plate body 1 comprises a head plate body 11, a neck plate body 12 and a tail plate body 13 which are sequentially arranged, wherein the head plate body 11, the neck plate body 12 and the tail plate body 13 are integrally formed, the locking hole 2 comprises a first locking hole 21, a second locking hole 22 and a third locking hole 23, the first locking hole 21 is positioned on the head plate body 11, the second locking hole 22 is positioned on the neck plate body 12, and the third locking hole 23 is positioned on the tail plate body 13, the locking plate body 1 is set to be of a multi-section structure, so that more operation conditions can be met, and a proper locking hole can be selected according to the bone fracture conditions;
Further, there are three second locking holes 22, and the three second locking holes 22 are distributed in an S shape, so that the fixation between the locking plate body 1 and the bone is not only a straight line fixation, but also a planar fixation, thereby improving the stability between the locking plate body 1 and the bone;
furthermore, two first locking holes 21 are provided, so that a doctor can select the first locking holes 21 at different positions according to the condition of broken bone during operation;
furthermore, the number of the third locking holes 23 is two, so that a doctor can select the third locking holes 23 at different positions according to the condition of broken bone during operation, and can lock multiple holes if necessary;
furthermore, the locking plate also comprises a waist-shaped groove 3, the waist-shaped groove 3 is positioned on the locking plate body 1, the extending direction of the waist-shaped groove 3 is vertical to or forms an acute angle with the central axis of the locking plate body 1, in an operation, one broken bone can be connected with the locking plate body 1 by using a locking hole and a locking nail, and then a cortical bone screw is implanted into the waist-shaped groove 3 and the other broken bone, if the two broken bones cannot be completely attached, a certain rotation or movement is needed, the position of the cortical bone screw in the waist-shaped groove 3 can be directly adjusted to drive the other broken bone to be finely adjusted, so that the attachment precision between the broken bones is greatly facilitated, and the operation difficulty of a doctor is also reduced;
Furthermore, the inner wall surface of the waist-shaped groove 3 is of a conical surface structure, so that the head of the screw can sink into the waist-shaped groove 3, and the damage to soft tissues is avoided;
further, the waist-shaped groove 3 comprises a first waist-shaped groove 31, the first waist-shaped groove 31 is positioned on the head plate body 11, and an acute angle is formed between the first waist-shaped groove 31 and the central axis of the locking plate body 1, so that fine adjustment of rotation of the broken bone can be realized;
furthermore, the first locking hole 21 comprises a first hole 211 and a second hole 212, the first waist-shaped groove and the first hole or the first waist-shaped groove and the second hole are concentric, and the first waist-shaped groove 31 is an arc-shaped groove, so that when the angle between two broken bones is finely adjusted, the geometrical structure is better met;
furthermore, the waist-shaped groove 3 includes a second waist-shaped groove 32, and the second waist-shaped groove 32 is located on the tail plate body 13, and the extending direction of the second waist-shaped groove 32 is perpendicular to the central axis of the locking plate body 1, so that the distance between the two bone fragments can be conveniently finely adjusted.
It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. An orthopedic of metacarpal compression locking plate comprising:
the locking plate body is used as a carrier for connecting sclerotin;
the locking holes are distributed in the extending direction of the locking plate body;
the waist-shaped groove is perpendicular to or forms an acute angle with the central axis of the locking plate body in the extending direction;
the waist type groove includes: the first waist-shaped groove and the central axis of the locking plate body form an acute angle; and the second waist-shaped groove is vertical to the central axis of the locking plate body.
2. The orthopedic metacarpal compression locking plate as claimed in claim 1, wherein said first waist-shaped groove is an arc-shaped groove.
3. An orthopedic volar compression locking plate as claimed in claims 1 or 2 wherein:
the locking plate body comprises a head plate body, a neck plate body and a tail plate body which are arranged in sequence;
the locking holes comprise a first locking hole, a second locking hole and a third locking hole;
the first locking hole is located on the head plate body, the second locking hole is located on the neck plate body, and the third locking hole is located on the tail plate body;
the number of the second locking holes is multiple, and the second locking holes are distributed in an S shape.
4. The orthopedic of metacarpal compression locking plate as claimed in claim 3, wherein:
the first waist-shaped groove is positioned on the head plate body;
the second waist-shaped groove is positioned on the tail board body.
5. The orthopedic of metacarpal compression locking plate as claimed in claim 4, wherein: the first locking hole comprises a first hole and a second hole, and the first waist-shaped groove and the first hole or the first waist-shaped groove and the second hole are of concentric structures.
6. The metacarpal orthopedic compression locking plate as claimed in any one of claims 1-2, wherein: the locking plate body is of a cambered surface structure.
7. The orthopedic of metacarpal compression locking plate as claimed in any one of claims 1-2, wherein said locking hole is a threaded hole, and said locking hole includes:
a locking hole body;
and the reversing grooves are distributed at the edge of the locking hole body and communicated with the locking hole body.
8. The metacarpal orthopedic compression locking plate as claimed in any one of claims 1-2, wherein the inner wall surface of the waist-shaped groove is of a conical surface structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122813886.XU CN216823620U (en) | 2021-11-17 | 2021-11-17 | Metacarpal orthopedic compression locking plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122813886.XU CN216823620U (en) | 2021-11-17 | 2021-11-17 | Metacarpal orthopedic compression locking plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216823620U true CN216823620U (en) | 2022-06-28 |
Family
ID=82101561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122813886.XU Active CN216823620U (en) | 2021-11-17 | 2021-11-17 | Metacarpal orthopedic compression locking plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216823620U (en) |
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2021
- 2021-11-17 CN CN202122813886.XU patent/CN216823620U/en active Active
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