CN217390837U - Locking device for transverse patella fracture - Google Patents
Locking device for transverse patella fracture Download PDFInfo
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- CN217390837U CN217390837U CN202123386429.3U CN202123386429U CN217390837U CN 217390837 U CN217390837 U CN 217390837U CN 202123386429 U CN202123386429 U CN 202123386429U CN 217390837 U CN217390837 U CN 217390837U
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Abstract
The utility model discloses a locking device for transverse patella fracture, which comprises a lateral pressure plate, a connecting transverse plate and a stabilizing hook; the bottom and the middle upper portion of the side heating plate are provided with a connecting transverse plate in the transverse direction, the upper end portion of the side heating plate is a bending section, the side heating plate and the connecting transverse plate are provided with front threaded holes, and the bending section is provided with a side threaded hole; the side threaded hole is larger than the front threaded hole; the lower end part of the side pressure plate and the bottom part of the connecting transverse plate at the bottom are both provided with a stabilizing hook; the utility model discloses application range is wide, and overall structure adopts the titanium alloy steel sheet to make, can reduce unnecessary structure according to the structure that the use of the fracture degree adaptability of patella corresponds, has reduced irritating of soft tissue, has also reached firm fixed effect simultaneously, has reduceed the misery of disease, facilitates for medical personnel.
Description
Technical Field
The utility model belongs to the technical field of the patella fracture is consolidated, concretely relates to a locking device for transverse patella fracture.
Background
The transverse patella fracture or the fracture with low crushing degree is a common fracture type clinically, the fixing method is many, and the commonly used internal fixing technology comprises suture internal fixation, steel wire cerclage internal fixation, Kirschner wire tension band internal fixation, holed Kirschner wire titanium cable tension band internal fixation and hollow titanium cable internal fixation; the clinical application of the fixation in the Kirschner wire tension band is more, simple and economic, but the foreign body reaction is larger and the postoperative complications are more. The foreign body reaction after the pure hollow nail internal fixation is less, and the hollow nail internal fixation can be implanted through skin under the assistance of an arthroscope, but the strict indication needs to be mastered, and the application range is very small.
For patients with low pulverization degree, in order to fix firmly, the titanium cable or steel wire tension band needs to be additionally fixed on the basis of the internal fixation of the hollow nail. Soft tissue irritation is also increased at the wire joints and at the titanium cable joints. In order to reduce the irritation of soft tissues and to broaden the indications for the use of hollow nail fixation, it is therefore necessary to develop a locking device suitable for transverse patellar fractures.
SUMMERY OF THE UTILITY MODEL
To the defect and the problem that existing equipment exists, the utility model provides a locking device for patella is horizontal to be fractured, the effectual soft tissue that exists among the existing equipment of having solved arouses greatly, the many problems of postoperative complication.
The utility model provides a scheme that its technical problem adopted is: a locking device for transverse patellar fracture comprises a side pressure plate, a connecting transverse plate and a stabilizing hook; the bottom and the middle upper portion of the side heating plate are provided with a connecting transverse plate in the transverse direction, the upper end portion of the side heating plate is a bending section, the side heating plate and the connecting transverse plate are provided with front threaded holes, and the bending section is provided with a side threaded hole; the side threaded hole is larger than the front threaded hole; the lower end of the side pressing plate and the bottom of the connecting transverse plate are both provided with stabilizing hooks.
Furthermore, a 4.0mm hollow compression screw is arranged in the side thread hole through internal threads; and 2.7mm locking screws are arranged in the front threaded holes.
Furthermore, the side threaded hole and the front threaded hole are both countersunk holes.
Further, the both ends of connecting the diaphragm are provided with the mounting hole, and the side is provided with the spread groove on pressing the board, and the middle part of spread groove is provided with the screw hole, the both ends suit of connecting the diaphragm is in the spread groove, and the mounting hole corresponds with the screw hole.
Further, the side pressing plate and the connecting transverse plate are made of titanium alloy steel plates.
The utility model has the advantages that: the utility model discloses the side pressure plate that is located both sides has been set up, the connection diaphragm that the side pressed the board is connected, and be provided with the section of bending in the upper end of side pressure plate, the lower part is provided with the stable hook, the section of bending can be adaptability bend, and the laminating is in the side of patella, thereby the stable hook, the side presses the board and wraps up the patella with the section of bending, the firm effect that pressurizes has, make the patella can keep certain shape, simultaneously in order to consolidate the fracture position, all be provided with the screw hole on the section of bending and the side press the board, screw hole female screw thread installation set screw, it links together to connect the diaphragm makes two sides press the board, firm intensity has further been improved, and the distribution range of screw hole has been enlarged.
The utility model discloses overall structure can design according to the surface shape of patella, divide different size and model, be fit for the patella of equidimension not, firm hook portion can be used for fixed patella down utmost point fracture part, do not make its aversion, the side screw hole on the section of bending can hold the hollow forcing screw of 4.0 millimeters and pass through, also can design into the hollow locking screw of 4.0 millimeters, positive screw hole designs to hold 2.7 millimeters locking screw, can be used for further fixed fracture piece, enlarge the adaptation disease that steel sheet and hollow screw are fixed, be applicable to and smash not serious patellar fracture, and to serious patellar fracture, can install the connection diaphragm additional according to the position needs, in order to enlarge the distribution range of reinforcing strength and screw.
Therefore, the utility model discloses application range is wide, and overall structure adopts the titanium alloy steel sheet to make, can reduce unnecessary structure according to the structure that the use of the fracture degree adaptability of patella corresponds, has reduced irritating of soft tissue, also for enlarging application scope simultaneously, has reduceed the misery of disease, facilitates for medical personnel.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of another embodiment of the present invention.
Fig. 3 is a cut-away view of the locking device.
Fig. 4 is a usage state diagram of the present invention.
The reference numbers in the figures are: 1 is the side gusset plate, 2 is the connection diaphragm, 3 is the section of bending, 4 are firm hooks, 5 are positive screw hole, 6 are the spread groove, 7 are the side screw hole, 8 are the patella, 9 are locking screw, 10 are hollow forcing screw.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Example 1: the embodiment aims to provide a locking device for transverse patellar fracture, which is mainly used for locking the patellar fracture, and the embodiment provides a structure with a limited-contact patella locking hook steel plate instead of a tension band in order to reduce irritation of soft tissues and expand the indication of applying hollow nail fixation.
As shown in fig. 1, a locking device for transverse fracture of patella includes a side pressure plate 1, a connecting cross plate 2 and a stabilizing hook 4; in this embodiment, the side adds and presses board 1 and connection diaphragm 2 to make for the titanium alloy steel sheet, the side adds and presses board 1 to distribute on both sides, connection diaphragm 2 spans between the both sides pressure board, and be provided with the section of bending 3 in the upper end of side pressure board 1, the lower part is provided with stable hook 4, the section of bending 3 department can be adaptability bend, and the laminating is at the side of patella 8, thereby stable hook 4, the side adds and presses board 1 and the section of bending 3 wraps up the patella, the firm effect of pressurization has, make the patella can keep certain shape, simultaneously in order to consolidate the fracture position, all be provided with the screw hole on section of bending 3 and side pressure board 1, the threaded hole female mounting set screw, connection diaphragm 2 makes two sides press the board to link together, the firm intensity has further been improved, and the distribution range of screw hole has been enlarged. .
Structurally, the bottom and the middle upper part of the side heating/pressing plate 1 are transversely provided with a connecting transverse plate 2, the upper end part of the side heating/pressing plate 1 is a bending section 3, the side heating/pressing plate 1 and the connecting transverse plate 2 are provided with front threaded holes 5, and the bending section 3 is provided with side threaded holes 7; the side threaded hole 7 is larger than the front threaded hole 5; the lower end of the side heating plate 1 and the bottom of the connecting cross plate 2 are provided with stabilizing hooks 4.
As shown in fig. 3-4, the front threaded hole 5 and the side threaded hole 7 are both countersunk holes, and a 4.0mm hollow compression screw is installed in the side threaded hole 7; and a 2.7mm locking screw is arranged in the front threaded hole 5.
When using, the kneecap of fracture resets earlier, then with the fixed kneecap utmost point down of firm hook, and place the side with board and the connection diaphragm that presses on the kneecap surface, the portion of bending according to the kneecap shape moderate degree (the form of the part adoption preflex on the steel sheet, can reach 1/3's place down in the side of kneecap upper portion, and can further bend and adjust as required in the art), make overall structure and kneecap shape laminating, then select suitable screw hole (the nail hole that can fix the bone block) according to the position of kneecap fracture, drill in proper order, set screw, screw thread and the screw hole on the screw are together fixed.
Therefore, the embodiment is suitable for transverse fracture of patella, transverse fracture accompanied by lower-pole fracture, longitudinal fracture of patella, transverse-oriented and non-heavy-weight-crushed fracture, the stimulation of internal fixtures to soft tissues is small, and the purposes of strong fixation and early function exercise can be achieved.
Example 2: this example is substantially the same as example 1, except that: the present embodiment provides another connection manner of connecting the transverse plates and the lateral reinforcing plates to be suitable for patellar fractures of different pulverization degrees.
As shown in fig. 2, the two ends of the connecting transverse plate 2 are provided with mounting holes, the side pressure plate 1 is provided with a connecting groove 6, the middle part of the connecting groove 6 is provided with a front threaded hole 5, the two ends of the connecting transverse plate are sleeved in the connecting groove, and the mounting holes 6 correspond to the threaded holes 5.
In this embodiment, place the both ends of connecting diaphragm 2 in spread groove 6, make its mounting hole correspond with positive screw hole, then can compress tightly the connection diaphragm fixedly in step when the fixed locking screw, can connect the diaphragm as required selective increase, utilize to connect the diaphragm and enlarge the distribution range of screw hole, improve application scope.
Claims (5)
1. A locking device for a transverse patellar fracture, comprising: the device comprises a side compression plate, a connecting transverse plate and a stabilizing hook; the bottom and the middle upper part of the side heating/pressing plate are transversely provided with connecting transverse plates, the upper end part of the side heating/pressing plate is a bending section, the side heating/pressing plate and the connecting transverse plates are provided with front threaded holes, and the bending section is provided with side threaded holes; the side threaded hole is larger than the front threaded hole; the lower end of the side pressure plate and the bottom of the connecting transverse plate are both provided with stabilizing hooks.
2. The locking device for a transverse patellar fracture according to claim 1, wherein: a 4.0mm hollow pressurizing screw is arranged in the side thread hole; and 2.7mm locking screws are arranged in the front threaded holes.
3. The locking device for a transverse patellar fracture according to claim 1, wherein: the side threaded hole and the front threaded hole are both countersunk holes.
4. The locking device for a transverse patellar fracture according to claim 1, wherein: the both ends of connecting the diaphragm are provided with the mounting hole, and the side is provided with the spread groove on pressing the board, and the middle part of spread groove is provided with the screw hole, the both ends suit of connecting the diaphragm is in the spread groove, and the mounting hole corresponds with the screw hole.
5. The locking device for a transverse patellar fracture according to claim 1, wherein: the side pressure plate and the connecting transverse plate are made of titanium alloy steel plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123386429.3U CN217390837U (en) | 2021-12-31 | 2021-12-31 | Locking device for transverse patella fracture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123386429.3U CN217390837U (en) | 2021-12-31 | 2021-12-31 | Locking device for transverse patella fracture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217390837U true CN217390837U (en) | 2022-09-09 |
Family
ID=83133759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123386429.3U Active CN217390837U (en) | 2021-12-31 | 2021-12-31 | Locking device for transverse patella fracture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217390837U (en) |
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2021
- 2021-12-31 CN CN202123386429.3U patent/CN217390837U/en active Active
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