CN215651464U - Spinal vertebral plate guiding and fixing device - Google Patents
Spinal vertebral plate guiding and fixing device Download PDFInfo
- Publication number
- CN215651464U CN215651464U CN202122442063.0U CN202122442063U CN215651464U CN 215651464 U CN215651464 U CN 215651464U CN 202122442063 U CN202122442063 U CN 202122442063U CN 215651464 U CN215651464 U CN 215651464U
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- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 210000000988 bone and bone Anatomy 0.000 abstract description 15
- 238000000034 method Methods 0.000 abstract description 6
- 238000001356 surgical procedure Methods 0.000 abstract description 2
- 230000006378 damage Effects 0.000 description 3
- 210000001519 tissue Anatomy 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 208000012661 Dyskinesia Diseases 0.000 description 1
- 208000000112 Myalgia Diseases 0.000 description 1
- 206010033799 Paralysis Diseases 0.000 description 1
- 208000031481 Pathologic Constriction Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 210000000653 nervous system Anatomy 0.000 description 1
- 208000004296 neuralgia Diseases 0.000 description 1
- 230000036262 stenosis Effects 0.000 description 1
- 208000037804 stenosis Diseases 0.000 description 1
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Abstract
The utility model provides a spinal vertebral plate guiding and fixing device, which relates to the technical field of medical instruments and aims to solve the problems that after a vertebral plate is taken down in a spinal surgery, the vertebral plate needs to be installed and reset again, and sometimes the vertebral plate is difficult to fix due to a small angle of a vertebral body part and a small amount of residual bones, and the vertebral plate is convenient to fix due to the guiding device, and comprises an end pressing plate; the end pressing plate is of a transverse U-shaped structure; the left end and the right end of the connecting plate are respectively inserted with the vertical side wall of the end pressing plate in a sliding manner; the screw is vertically screwed in the middle of the end pressing plate and is screwed on the part penetrating through the connecting plate and inserted in the end pressing plate. According to the utility model, the guide wire block of the caulking groove part is clamped with the clamping groove, the sharp-pointed guide wire enters the body to be fixed, after the guide wire is rotated, the lead is clamped with the clamping groove through the caulking groove, and the screw passes through the caulking groove, so that the screw can directly enter the bone hole to be fixed, the screw cannot slip or dislocate in the fixing process, and the mounting and resetting are convenient.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to a spinal vertebral plate guiding and fixing device.
Background
Spinal canal (human nervous system through channel) stenosis is a common disease, and its clinical features show neuralgia, myalgia, dyskinesia, etc., which seriously affect the quality of life and even cause paralysis.
The operation treatment method that uses before generally is called the laminoplasty, like a vertebra vertebral lamina shaping fixing device in patent application CN201420629712.5, including support frame, back vertebral lamina fixed plate and side bone piece fixed plate, upwards extend integrative system to have a J type back vertebral lamina fixed plate in the left side upper surface of support frame, extend integrative system to the right at the right side upper surface level of support frame and have a side square bone piece fixed plate, the system has the bone screw mounting hole on the back vertebral lamina fixed plate, side bone piece fixed plate be preceding, the arc structure of back both ends kickup, the system has the bone screw mounting hole row on side bone piece fixed plate. This fixing device's side bone piece fixed plate is preceding, the arc structure of back both ends kickup, can conveniently adjust the position when the operation, ensures that this device and the vertebra surface of unevenness closely laminate, need not to consider the opening direction of vertebra vertebral plate simultaneously, also need not to get rid of the cortex surface of side bone piece, reduces the operation error, shortens the operation time, improves operation efficiency and fixed quality, has brought very big convenience for the fixed shaping operation of vertebra vertebral plate.
When the vertebral plate is removed in the spinal surgery, the vertebral plate needs to be installed and reset again, sometimes, because the angle of the vertebral body part and the residual bone quantity are small, the fixation is difficult, and a guiding device is needed to facilitate the fixation of the vertebral plate.
Therefore, in view of the above, the present invention is developed and improved in view of the existing structure and deficiency, and provides a guiding and fixing device for spinal vertebral plate, so as to achieve the purpose of more practical value.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model provides a guiding and fixing device for a vertebral plate of a vertebral column, which aims to solve the problems that after the vertebral plate is removed in a vertebral operation, the vertebral plate needs to be installed and reset again, and sometimes, because the angle of a vertebral body part and the amount of residual bones are small, the vertebral plate is difficult to fix, and the vertebral plate needs to be convenient to fix by the guiding device.
The utility model relates to a spine vertebral plate guiding and fixing device, which is achieved by the following specific technical means:
a spinal lamina guidance fixture including an end clamp; the end pressing plate is of a transverse U-shaped structure; the left end and the right end of the connecting plate are respectively inserted with the vertical side wall of the end pressing plate in a sliding manner; the screw is vertically screwed in the middle of the end pressing plate and penetrates through the connecting plate to be inserted in the part of the end pressing plate; the guide wire block is of a crank-shaped structure, the upper transverse rod part of the guide wire block is clamped with the lower end of the end pressing plate, and the lower end of the screw penetrates through the guide wire block in a threaded mode.
Furthermore, the end pressure plate comprises an adjusting hole, a buffer column and a clamping groove, and the edge of the outer end of the horizontal flat plate at the bottom of the end pressure plate is a semi-cylindrical buffer column; a vertical strip-shaped adjusting hole is formed in the middle of the vertical plate of the end pressing plate, and one end of the connecting plate is inserted in the adjusting hole in a sliding mode; the middle part of the transverse plate at the lower end of the end pressing plate and the corresponding position of the penetrating position of the screw are provided with longitudinal clamping grooves, and the upper end of the wire guide block is clamped at the position.
Furthermore, the connecting plate comprises an inner supporting plate and a guide clamping plate, and two arc-shaped inner supporting plates which are bilaterally symmetrical and convex downwards are fixedly arranged on the bottom plane of the connecting plate; the direction cardboard is fixed mounting both ends about the connecting plate respectively, and the vertical slip joint of direction cardboard is in the adjustment hole, and the direction cardboard rotates through the snap ring with the screw and is connected.
Further, the guide wire block comprises a tip guide wire and an embedding groove, and the lower end of the guide wire block is a tip guide wire in a taper shape; the cross rod section of the wire guide block is provided with an embedded groove with the width consistent with that of the end pressing plate, and the wire guide block of the embedded groove part is clamped with the clamping groove.
Compared with the prior art, the utility model has the following beneficial effects:
1. because the upper end of wire guide block then the joint is in here, control and be adjustable structure between two end pressure plates and the connecting plate, can carry out the adaptability adjustment according to the structure of backbone vertebral plate department to in fixed laminating more, the bumping post can avoid producing sharp-pointed injury to peripheral tissue or structure.
2. Because the wire guide block of caulking groove part and draw-in groove looks joint, get into internal fixed with sharp-pointed most advanced seal wire in most advanced to go deep into one of them section distance, after rotatory, through caulking groove and draw-in groove looks joint, and make the screw pass, the screw can directly get into the bone hole and fix after being convenient for, can not the slippage and ectopic at fixed process, is convenient for install and resets.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.
Drawings
FIG. 1 is a front right upper axial view of the present invention.
Fig. 2 is a schematic diagram of the left rear upper axial view structure of the utility model.
Fig. 3 is a front right lower axial view of the present invention.
Fig. 4 is a schematic axial view of the plugging state of the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. an end pressing plate; 101. an adjustment hole; 102. a buffer column; 103. a card slot; 2. a connecting plate; 201. an inner supporting plate; 202. a guide clamping plate; 3. a wire guide block; 301. a tip guidewire; 302. caulking grooves; 4. and (4) screws.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 4:
the utility model provides a spinal vertebral plate guiding and fixing device, which comprises an end pressing plate 1; the end pressing plate 1 is in a horizontal U-shaped structure; the connecting plate 2 is of a horizontal plate-shaped structure, and the left end and the right end of the connecting plate 2 are respectively inserted with the vertical side wall of the end pressing plate 1 in a sliding manner; the screw 4 is vertically screwed in the middle of the end pressing plate 1, and the screw 4 is screwed on the part penetrating through the connecting plate 2 and inserted in the end pressing plate 1; the guide wire block 3 is of a crank-shaped structure, the upper transverse rod part of the guide wire block 3 is clamped with the lower end of the end pressing plate 1, and the lower end of the screw 4 is also screwed through the guide wire block 3.
The end pressing plate 1 comprises an adjusting hole 101, a buffer column 102 and a clamping groove 103, and the edge of the outer end of the horizontal flat plate at the bottom of the end pressing plate 1 is provided with the semi-cylindrical buffer column 102; a vertical strip-shaped adjusting hole 101 is formed in the middle of a vertical plate of the end pressing plate 1, and one end of the connecting plate 2 is inserted in the adjusting hole 101 in a sliding mode; the middle part of the transverse plate at the lower end of the end pressing plate 1 and the corresponding position of the screw 4 are penetrated out, a longitudinal clamping groove 103 is formed in the corresponding position, the upper end of the wire guide block 3 is clamped in the position, an adjustable structure is formed between the left end pressing plate 1 and the right end pressing plate 2, adaptability adjustment can be carried out according to the structure of the vertebral column position, so that the fixing is more fit, and the buffer column 102 can avoid sharp injuries to peripheral tissues or structures.
The connecting plate 2 comprises an inner supporting plate 201 and a guide clamping plate 202, and two arc-shaped inner supporting plates 201 which are bilaterally symmetrical and convex downwards are fixedly arranged on the bottom plane of the connecting plate 2; both ends about connecting plate 2 are fixed mounting respectively to direction cardboard 202, and the vertical slip joint of direction cardboard 202 is in adjustment hole 101, and direction cardboard 202 rotates through the snap ring with screw 4 to be connected, and connecting plate 2 can be connected between two end pressure boards 1, increases the steadiness, interior brace 201 can and the spinal column between the flexible connection, avoid excessively damaging the spinal column.
The guide wire block 3 comprises a tip guide wire 301 and a caulking groove 302, and the lower end of the guide wire block 3 is the tip guide wire 301 in a taper shape; offer on the horizontal pole section of wire guide block 3 with end clamp plate 1 width unanimous caulking groove 302, the wire guide block 3 of caulking groove 302 part and draw-in groove 103 looks joint, it is internal fixed to get into sharp-pointed end seal wire 301 in pointed end, and go deep into one of them section distance, after rotatory, through caulking groove 302 and draw-in groove 103 looks joint, and make screw 4 pass, be convenient for later screw 4 can directly get into the bone hole and fix, can not slippage and dystopy at fixed process.
The specific use mode and function of the embodiment are as follows:
during the use process, the sharp-pointed guide wire 301 is fixed in the body and penetrates into the body for a certain distance, and after rotating, the embedded groove 302 is clamped with the clamping groove 103, and the screw 4 passes through the embedded groove, so that the screw 4 can directly enter the bone hole for fixing, the screw 4 is vertically inserted from the end pressing plate 1 without slipping and dislocation in the fixing process, the guide clamping plate 202 is vertically clamped in the adjusting hole 101 in a sliding way, the guide clamping plate 202 is rotatably connected with the screw 4 through a clamping ring, the connecting plate 2 can connect the two end pressing plates 1 to increase the stability, the inner supporting plate 201 can be flexibly connected with the spine to avoid excessively damaging the spine, and the left end pressing plate 1 and the right end pressing plate 2 are both adjustable structures, can be adaptively adjusted according to the structure of the vertebral plate of the vertebral column, so that the fixation is more conformable, the bumper posts 102 may avoid sharp damage to surrounding tissue or structures.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (7)
1. Spinal vertebral plate guide fixing device, its characterized in that: a spinal lamina guidance fixture comprising:
an end pressing plate (1);
the end pressing plate (1) is of a transverse U-shaped structure;
the connecting plate (2) is of a horizontal plate-shaped structure, and the left end and the right end of the connecting plate (2) are respectively inserted with the vertical side wall of the end pressing plate (1) in a sliding manner;
the screw (4) is vertically screwed in the middle of the end pressing plate (1), and the screw (4) penetrates through the connecting plate (2) in a screwed mode and is inserted in the part of the end pressing plate (1);
the wire guide block (3) is of a crank-shaped structure, the upper end transverse rod part of the wire guide block (3) is clamped with the lower end of the end pressing plate (1), and the lower end of the screw (4) penetrates through the wire guide block (3) in a threaded manner.
2. The spinal lamina guidance fixture of claim 1, wherein: the end pressing plate (1) comprises:
the edge of the outer end of the horizontal flat plate at the bottom of the end pressure plate (1) is a semi-cylindrical buffer column (102);
the vertical strip-shaped adjusting holes (101) are formed in the middle of the vertical plate of the end pressing plate (1), and one end of the connecting plate (2) is inserted into the adjusting holes (101) in a sliding mode.
3. The spinal lamina guidance fixture of claim 1, wherein: the end pressing plate (1) further comprises:
the middle part of the transverse plate at the lower end of the end pressing plate (1) and the corresponding part of the penetrating position of the screw (4) are provided with a longitudinal clamping groove (103), and the upper end of the wire guide block (3) is clamped and connected with the clamping groove (103).
4. The spinal lamina guidance fixture of claim 1, wherein: the connection plate (2) comprises:
the inner supporting plate (201), two arc inner supporting plates (201) which are bilaterally symmetrical and convex downwards are fixedly arranged on the plane of the bottom of the connecting plate (2).
5. The spinal lamina guidance fixture of claim 1, wherein: the connection plate (2) further comprises:
the guide clamping plates (202) are fixedly arranged at the left end and the right end of the connecting plate (2) respectively, the guide clamping plates (202) are vertically connected in the adjusting holes (101) in a sliding and clamping mode, and the guide clamping plates (202) are rotatably connected with the screws (4) through clamping rings.
6. The spinal lamina guidance fixture of claim 1, wherein: the wire guide block (3) comprises:
the lower end of the guide wire block (3) is a pointed guide wire (301) in a pointed cone shape.
7. The spinal lamina guidance fixture of claim 1, wherein: the wire guide block (3) further comprises:
the wire guide block is characterized by comprising an embedded groove (302), the transverse rod section of the wire guide block (3) is provided with the embedded groove (302) with the width consistent with that of the end pressing plate (1), and the wire guide block (3) of the embedded groove (302) is clamped with the clamping groove (103).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122442063.0U CN215651464U (en) | 2021-10-11 | 2021-10-11 | Spinal vertebral plate guiding and fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122442063.0U CN215651464U (en) | 2021-10-11 | 2021-10-11 | Spinal vertebral plate guiding and fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215651464U true CN215651464U (en) | 2022-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122442063.0U Expired - Fee Related CN215651464U (en) | 2021-10-11 | 2021-10-11 | Spinal vertebral plate guiding and fixing device |
Country Status (1)
| Country | Link |
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| CN (1) | CN215651464U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114617624A (en) * | 2022-03-09 | 2022-06-14 | 四川大学华西医院 | Lifting reduction auxiliary device for femoral shaft fracture operation |
-
2021
- 2021-10-11 CN CN202122442063.0U patent/CN215651464U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114617624A (en) * | 2022-03-09 | 2022-06-14 | 四川大学华西医院 | Lifting reduction auxiliary device for femoral shaft fracture operation |
| CN114617624B (en) * | 2022-03-09 | 2023-05-23 | 四川大学华西医院 | Lifting and resetting auxiliary device for femoral shaft fracture operation |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220128 |