CN208808636U - Rear pillar screw guide plate - Google Patents
Rear pillar screw guide plate Download PDFInfo
- Publication number
- CN208808636U CN208808636U CN201820754477.2U CN201820754477U CN208808636U CN 208808636 U CN208808636 U CN 208808636U CN 201820754477 U CN201820754477 U CN 201820754477U CN 208808636 U CN208808636 U CN 208808636U
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- CN
- China
- Prior art keywords
- plate
- rear pillar
- pillar screw
- screw guide
- guide plate
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a kind of rear pillar screw guide plate, it is characterized in that it includes bottom plate (1) and the guide pipe (2) on bottom plate (1), guide pipe (2) and the bottom of the bottom plate (1) of its bottom are mutually communicated, bottom plate (1) and guide pipe (2) are integrally formed, bottom plate (1) includes lateral iliac fossa jointing plate (1.1) and vertical crista iliaca jointing plate (1.2), wherein the inside of crista iliaca jointing plate (1.2) is connect with the outside of iliac fossa jointing plate (1.1), iliac fossa jointing plate (1.1) and crista iliaca jointing plate (1.2) are integrally formed.A kind of rear pillar screw guide plate of the utility model has the advantages that low cost, positioning are quasi-, also can be reduced using the rear pillar screw guide plate and has an X-rayed number in surgical procedure, so that the perspective of excessive number be avoided to cause the injury to human body.
Description
Technical field
The utility model relates to a kind of rear pillar screw guide plates.
Background technique
Fracture of acetabulum and pelvic fracture are the difficult points of orthopaedic trauma, and technical difficulty is big.Traditional open reduction wound is big, goes out
Blood is more, post-operative recovery is slow, and with the raising of surgical technic level and the progress for the treatment of concept, rear pillar screw is applied to acetabular bone
The treatment of folding and pelvic fracture.Traditional rear pillar screw needs to have an X-rayed the direction of lower adjustment guide pin, so that guide pin is located at rear pillar
In the channel of screw, the operation perspective time is long, since misoperation may cause injury of sciatic nerve.Currently, external and domestic
Some hospitals have used robotic assisted surgery, so that set the accuracy rate of nail and success rate greatly improves, but orthopedic robot
It is expensive, it is millions of easily, up to ten million, it is unfavorable for being widely popularized.
Therefore it is particularly important to seek the quasi- rear pillar screw guide plate of a kind of low cost, positioning, while being led using the rear pillar screw
Plate also can be reduced and have an X-rayed number in surgical procedure, so that the perspective of excessive number be avoided to cause the injury to human body.
Summary of the invention
Purpose of the utility model is to overcome the above-mentioned shortcomings and provide a kind of low cost, quasi- rear pillar screw guide plate is positioned,
It also can be reduced using the rear pillar screw guide plate and have an X-rayed number in surgical procedure, so that the perspective of excessive number be avoided to cause to human body
Injury.
Purpose of the utility model is realized as follows:
A kind of rear pillar screw guide plate, it includes bottom plate and the guide pipe on bottom plate, the bottom of guide pipe and its bottom
The bottom of plate is mutually communicated, and bottom plate and guide pipe are integrally formed, and bottom plate includes lateral iliac fossa jointing plate and vertical crista iliaca
Jointing plate, wherein the inside of crista iliaca jointing plate is connect with the outside of iliac fossa jointing plate, iliac fossa jointing plate and crista iliaca jointing plate one
Molding.
The iliac fossa jointing plate is gradually increased from Inside To Outside longitudinal size, and the inside acies of the iliac fossa jointing plate is vertical
To having a size of 2-3cm, the lateral dimension of the iliac fossa jointing plate is 8-9cm, and the outside longitudinal size of the iliac fossa jointing plate is
5-6cm。
The height of the guide pipe is 6-8cm, is oriented to pipe outside diameter 8mm, is oriented to bore 2.5mm.
The angle of guide pipe and horizontal plane is 29.7 ° ± 2.3 °, and the angle of guide pipe and sagittal plane is 8 ° ± 2.5 °.
Rear pillar screw guide plate is integrally formed by 3D printing.
The completely corresponding fitting of the shape of concave surface of rear pillar screw guide plate and the shape of the iliac fossa of human body and crista iliaca corresponding position.
The shape of the concave surface of rear pillar screw guide plate is the excessive shiny surface of circular arc, is provided with flexible glue below the shiny surface
Pad, the one side of soft rubber cushion is bonded with shiny surface, and the shape of the another side of soft rubber cushion and the iliac fossa of human body and crista iliaca corresponding position is complete
Corresponding fitting.
Compared with prior art, the utility model has the beneficial effects that
The utility model rear pillar screw guide plate avoids in art to be had an X-rayed repeatedly, by the rear pillar screw guide plate of preoperative customization,
Only guide pin need to be squeezed into according to guide sleeve direction on rear pillar screw guide plate, that is, can guarantee that guide pin is located at rear pillar Safe screw channel
Interior, the merging of rear pillar screw can be completed in the hollow rear pillar screw for being screwed into appropriate length along guide pin, cheap, is easy to
It promotes.Therefore a kind of rear pillar screw guide plate of the utility model has the advantages that low cost, positioning are quasi-, using the rear pillar screw guide plate
It also can be reduced and have an X-rayed number in surgical procedure, so that the perspective of excessive number be avoided to cause the injury to human body.
Detailed description of the invention
Fig. 1 is a kind of front view of rear pillar screw guide plate.
Fig. 2 is a kind of top view of rear pillar screw guide plate.
The schematic diagram of the step of Fig. 3 is a kind of production method of rear pillar screw guide plate two.
The schematic diagram of the step of Fig. 4 is a kind of production method of rear pillar screw guide plate three.
The schematic diagram of the step of Fig. 5 is a kind of application method of rear pillar screw guide plate three.
The schematic diagram of the step of Fig. 6 is a kind of application method of rear pillar screw guide plate four.
Wherein:
Bottom plate 1, iliac fossa jointing plate 1.1, crista iliaca jointing plate 1.2
Guide pipe 2.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only invention a part of the embodiment, instead of all the embodiments.Based on this
Embodiment in invention, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, is fallen within the protection scope of the utility model.
Referring to Fig. 1-Fig. 2, the utility model relates to a kind of rear pillar screw guide plate, it includes bottom plate 1 and is located at bottom plate 1
On guide pipe 2, guide pipe 2 and the bottom of the bottom plate 1 of its bottom be mutually communicated, and bottom plate 1 and guide pipe 2 are integrally formed, with
For a kind of rear pillar screw guide plate of the rear pillar of left side (medically left and right is to say from the angle of patient), the bottom plate
The plate of 1 similar " 7 " character form structure bent for one, bottom plate 1 include lateral iliac fossa jointing plate 1.1 and vertical crista iliaca patch
Plywood 1.2, wherein the inside of crista iliaca jointing plate 1.2 is connect with the outside of iliac fossa jointing plate 1.1, iliac fossa jointing plate 1.1 and crista iliaca
Jointing plate 1.2 is integrally formed；
The bottom plate 1 with a thickness of 4-6mm, the iliac fossa jointing plate 1.1 is gradually increased from Inside To Outside size, described
The interior lateral margin longitudinal size of iliac fossa jointing plate 1.1 is 2-3cm, and the lateral dimension of the iliac fossa jointing plate 1.1 is 8-9cm, described
The outside longitudinal size of iliac fossa jointing plate 1.1 is 5-6cm, and the height of the guide pipe 2 is 6-8cm, and 2 outer diameter 8mm of guide pipe is led
To 2 internal diameter 2.5mm of pipe, the angle of guide pipe 2 and horizontal plane is 29.7 ° ± 2.3 °, the angle of guide pipe 2 and sagittal plane is 8 ° ±
2.5°。
As a preference, rear pillar screw guide plate is integrally formed by 3D printing.The concave surface of rear pillar screw guide plate is (namely
The bottom surface of iliac fossa jointing plate 1.1 and the medial surface of crista iliaca jointing plate 1.2) shape and human body iliac fossa and crista iliaca corresponding position shape
The completely corresponding fitting of shape.
As a preference, concave surface (the namely bottom surface of iliac fossa jointing plate 1.1 and crista iliaca jointing plate of rear pillar screw guide plate
1.2 medial surface) shape be the excessive shiny surface of circular arc, be provided with soft rubber cushion, the one side of soft rubber cushion below the shiny surface
It is bonded with shiny surface, the completely corresponding fitting of the another side of soft rubber cushion and the shape of the iliac fossa of human body and crista iliaca corresponding position.
Referring to Fig. 3-Fig. 4, a kind of production method of rear pillar screw guide plate:
Step 1: the pelvis affected part to patient carries out CT scan；
Step 2: CT scan data is imported MIMICS three-dimensional reconstruction software, the pelvis of reconstruction patients；
Step 3: simulation merging rear pillar screw, rear pillar screw diameter 6.5mm are observed in all directions on MIMICS software
Upper rear pillar screw position is good, finds out preferred plan；
Step 4: rear pillar screw guide plate is simulated according to the concrete shape of patient's pelvis iliac fossa and crista iliaca, so that rear pillar spiral shell
Nail guide plate attaches completely with patient's iliac fossa and crista iliaca, while the central axes of rear pillar screw are consistent with the central axes of guide pipe, guiding
Pipe axis is designed to the hollow pipe of diameter 2.5mm, and the guide pin squeezed into along this hollow pipe is located in rear pillar Safe screw channel, then
3D printing is carried out according to 1:1, prints rear pillar screw guide plate.
Referring to Fig. 5-Fig. 6, a kind of application method of rear pillar screw guide plate:
Step 1: need to only do the iliac fossa notch of 6cm or so in operation；
Step 2: removing the soft tissues such as the muscle on iliac fossa inner wall and crista iliaca；
Step 3: in the rear pillar screw guide plate that the implantation 3D printing of iliac fossa incision goes out, so that the rear pillar screw that 3D printing goes out
Consistent, the bottom plate of rear pillar screw guide plate and the iliac fossa of patient and ilium at this time are simulated in the position of guide plate and MIMICS three-dimensional software
The complete docile of ridge；
Step 4: X-ray examination confirms the accuracy of rear pillar screw guide plate in previous step in the step process, accurate
Property guarantee under the premise of, pierce diameter 2.5mm guide pin along the direction of the guide pipe of rear pillar screw guide plate, guarantee guide pin position
In in rear pillar Safe screw channel, guide pin selects the Kirschner wire of the diameter 2.5mm of 20cm long；
Step 5: successively taking out guide pin and rear pillar screw guide plate, it is then implanted into guide pin again along former direction, according still further to
Guide pin direction is screwed into the hollow rear pillar screw of appropriate length, finally removes guide pin again.
Step 6: X-ray examination is finally checked again.
The above is only the specific application examples of the utility model, do not constitute any limit to the protection scope of the utility model
System.Any technical scheme formed by adopting equivalent transformation or equivalent replacement, all fall within the utility model rights protection scope it
It is interior.
Claims (8)
1. a kind of rear pillar screw guide plate, it is characterised in that it includes bottom plate (1) and the guide pipe (2) on bottom plate (1), is led
It is mutually communicated to pipe (2) and the bottom of the bottom plate (1) of its bottom, bottom plate (1) and guide pipe (2) are integrally formed, and bottom plate (1) includes
Lateral iliac fossa jointing plate (1.1) and vertical crista iliaca jointing plate (1.2), the wherein inside of crista iliaca jointing plate (1.2) and ilium
The outside of nest jointing plate (1.1) connects, and iliac fossa jointing plate (1.1) and crista iliaca jointing plate (1.2) are integrally formed.
2. a kind of rear pillar screw guide plate according to claim 1, it is characterised in that the bottom plate with a thickness of 4-6mm.
3. a kind of rear pillar screw guide plate according to claim 1, it is characterised in that the iliac fossa jointing plate is outside from inside
Side longitudinal size is gradually increased, and the inside acies longitudinal size of the iliac fossa jointing plate is 2-3cm, the cross of the iliac fossa jointing plate
It is 5-6cm to the outside longitudinal size having a size of 8-9cm, the iliac fossa jointing plate.
4. a kind of rear pillar screw guide plate according to claim 1, it is characterised in that the height of the guide pipe is 6-8cm,
It is oriented to pipe outside diameter 8mm, is oriented to bore 2.5mm.
5. a kind of rear pillar screw guide plate according to claim 1, it is characterised in that the angle of guide pipe and horizontal plane is
29.7 ° ± 2.3 °, the angle of guide pipe and sagittal plane is 8 ° ± 2.5 °.
6. a kind of rear pillar screw guide plate according to claim 1, it is characterised in that rear pillar screw guide plate is by 3D printing one
It is body formed.
7. a kind of rear pillar screw guide plate according to claim 6, it is characterised in that the shape of the concave surface of rear pillar screw guide plate
With the completely corresponding fitting of the shape of the iliac fossa of human body and crista iliaca corresponding position.
8. a kind of rear pillar screw guide plate according to claim 6, it is characterised in that the shape of the concave surface of rear pillar screw guide plate
For the shiny surface that circular arc is excessive, it is provided with soft rubber cushion below the shiny surface, the one side of soft rubber cushion is bonded with shiny surface, soft rubber cushion
The completely corresponding fitting of another side and the shape of the iliac fossa of human body and crista iliaca corresponding position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820754477.2U CN208808636U (en) | 2018-05-21 | 2018-05-21 | Rear pillar screw guide plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820754477.2U CN208808636U (en) | 2018-05-21 | 2018-05-21 | Rear pillar screw guide plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208808636U true CN208808636U (en) | 2019-05-03 |
Family
ID=66269052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820754477.2U Expired - Fee Related CN208808636U (en) | 2018-05-21 | 2018-05-21 | Rear pillar screw guide plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208808636U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108814705A (en) * | 2018-05-21 | 2018-11-16 | 江阴市人民医院 | Rear pillar screw guide plate and preparation method thereof |
-
2018
- 2018-05-21 CN CN201820754477.2U patent/CN208808636U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108814705A (en) * | 2018-05-21 | 2018-11-16 | 江阴市人民医院 | Rear pillar screw guide plate and preparation method thereof |
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Legal Events
| 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: 20190503 |