CN209074856U - A kind of anterior column lag screw guide plate - Google Patents
A kind of anterior column lag screw guide plate Download PDFInfo
- Publication number
- CN209074856U CN209074856U CN201820971478.2U CN201820971478U CN209074856U CN 209074856 U CN209074856 U CN 209074856U CN 201820971478 U CN201820971478 U CN 201820971478U CN 209074856 U CN209074856 U CN 209074856U
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- guide plate
- guide pipe
- lag screw
- plate
- anterior column
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Abstract
The utility model relates to a kind of anterior column lag screw guide plate, including guide plate, outer guide pipe and connecting rod, the guide 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, and iliac fossa jointing plate and crista iliaca jointing plate are integrally formed, the connecting rod inner end is connect with crista iliaca jointing plate outer surface, connecting rod outer end is connect with outer guiding tube outer surface, it is directed toward front pillar channel in the outer guide pipe central axes, interior guide pipe is provided in the outer guide pipe, the interior guide pipe is flexibly connected with outer guide pipe.A kind of anterior column lag screw guide plate of the utility model has the advantages that low cost, positioning are quasi-, also can be reduced the perspective number in surgical procedure using the anterior column lag screw guide plate, 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 anterior column lag 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, anterior column lag screw is applied to acetabular bone
The treatment of folding and pelvic fracture.Traditional anterior column lag screw needs to have an X-rayed the direction of lower adjustment guide pin, so that guide pin is located at front pillar
In the channel of screw, the operation perspective time is long, since misoperation may cause blood vessel, nerve and pelvic cavity viscera damage.Currently,
External and domestic some hospitals have used robotic assisted surgery, so that setting the accuracy rate of nail and success rate greatly improves, still
Orthopedic robot is expensive, millions of easily, up to ten million, is unfavorable for being widely popularized.
Therefore it is particularly important to seek the quasi- anterior column lag screw guide plate of a kind of low cost, positioning, while being led using the anterior column lag 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- anterior column lag screw guide plate is positioned,
It also can be reduced using the anterior column lag 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 anterior column lag screw guide plate, its main feature is that: including guide plate, outer guide pipe and connecting rod, the guide plate includes
Lateral iliac fossa jointing plate and vertical crista iliaca jointing plate, wherein connects on the outside of the inside of crista iliaca jointing plate and iliac fossa jointing plate
It connects, and iliac fossa jointing plate and crista iliaca jointing plate are integrally formed, the connecting rod inner end is connect with crista iliaca jointing plate outer surface, is connected
Bar outer end is connect with outer guiding tube outer surface, and front pillar channel is directed toward in the outer guide pipe central axes, is arranged in the outer guide pipe
There is interior guide pipe, the interior guide pipe is flexibly connected with outer guide pipe.
The connecting rod includes that lateral straightway, arc section and vertical straight line segment, the arc section are set to lateral straight line
Between section and vertical straight line segment, described arc section one end connect with lateral straightway outer end, the arc section other end with vertically
The connection of straightway inner end.
The guide plate with a thickness of 4-6mm.
The iliac fossa jointing plate is gradually increased from Inside To Outside size, and the inside longitudinal size of the iliac fossa jointing plate is
3-4cm, the lateral dimension of the iliac fossa jointing plate are 5-6cm, and the outside longitudinal size of the iliac fossa jointing plate is 5-6cm.
The transverse direction length of straigh line is set as 5-6cm, and the circular arc segment length is set as 3-4cm, the vertical lines
Segment length is set as 6-7cm.
The outer guiding length of tube is set as 12-18cm, and the outer guiding pipe outside diameter is set as 12mm, the outer guide pipe
Internal diameter is set as 6mm, and the interior guiding pipe outside diameter is set as 6mm, and interior guiding bore is set as 2.5mm, the interior guide pipe
Length may be configured as 25cm or 30cm or 35cm.
The middle-end of the connecting rod is provided with linkwork.
The completely corresponding fitting of the concave of the guide plate and the shape of the iliac fossa of human body and crista iliaca corresponding position.
The concave of the guide plate is the excessive shiny surface of circular arc, is provided with soft rubber cushion below the shiny surface, soft
The one side of rubber mat is bonded with shiny surface, the completely corresponding patch of the another side of soft rubber cushion and the shape of the iliac fossa of human body and crista iliaca corresponding position
It closes.
Compared with prior art, the utility model has the beneficial effects that
A kind of anterior column lag screw guide plate of the utility model avoids in art to be had an X-rayed repeatedly, is led by the anterior column lag screw of preoperative customization
Plate only need to squeeze into guide pin according to guide pipe direction on anterior column lag screw guide plate, that is, can guarantee that guide pin is located at anterior column lag screw safety
In channel, the merging of anterior column lag screw is can be completed in the hollow anterior column lag screw for being screwed into appropriate length along guide pin, cheap,
It is easy to spread.Therefore a kind of anterior column lag screw guide plate of the utility model has the advantages that low cost, positioning are quasi-, using the anterior column lag screw
Guide 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.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of anterior column lag screw guide plate of embodiment one.
Fig. 2 is the connection relationship diagram of guide plate in Fig. 1, connecting rod and outer guide pipe.
Fig. 3 is the structural schematic diagram of interior guide pipe in Fig. 1.
The schematic diagram of the step of Fig. 4 is a kind of production method of anterior column lag screw guide plate of embodiment one two.
The schematic diagram of the step of Fig. 5 is a kind of production method of anterior column lag screw guide plate of embodiment one three.
The schematic diagram of the step of Fig. 6 is a kind of production method of anterior column lag screw guide plate of embodiment one four.
The schematic diagram of the step of Fig. 7 is a kind of production method of anterior column lag screw guide plate of embodiment one five.
Fig. 8 is a kind of structural schematic diagram of anterior column lag screw guide plate of embodiment two.
The schematic diagram of the step of Fig. 9 is a kind of application method of anterior column lag screw guide plate three.
The schematic diagram of the step of Figure 10 is a kind of application method of anterior column lag screw guide plate four.
The schematic diagram of the step of Figure 11 is a kind of application method of anterior column lag screw guide plate five.
Wherein:
Guide plate 1, iliac fossa jointing plate 1.1, crista iliaca jointing plate 1.2
Outer guide pipe 2
Connecting rod 3, lateral straightway 3.1, arc section 3.2, vertical straight line segment 3.3
Interior guide pipe 4
Linkwork 5.
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.
Embodiment one:
Referring to figures 1-3, the utility model relates to a kind of anterior column lag screw guide plate, including guide plate 1,2 and of outer guide pipe
Connecting rod 3, the guide plate 1 are the plate of similar " 7 " character form structure of a bending, and the guide plate 1 includes lateral iliac fossa
Jointing plate 1.1 and vertical crista iliaca jointing plate 1.2, the wherein outside of the inside of crista iliaca jointing plate 1.2 and iliac fossa jointing plate 1.1
Connection, and iliac fossa jointing plate 1.1 and crista iliaca jointing plate 1.2 are integrally formed, outside 3 inner end of connecting rod and crista iliaca jointing plate 1.2
Surface connection, 3 outer end of connecting rod are connect with outer 2 outer surface of guide pipe, and front pillar channel, institute are directed toward in outer 2 central axes of guide pipe
It states outer 2 axis of guide pipe and is set as hollow pipe, and be provided with interior guide pipe 4 in hollow pipe, and outer guide pipe 2 and interior guide pipe 4
On same straight line, the interior guide pipe 4 is flexibly connected with outer guide pipe 2 for central axes.
The guide plate 1 with a thickness of 4-6mm, the iliac fossa jointing plate 1.1 is gradually increased from Inside To Outside size, institute
The inside longitudinal size for stating iliac fossa jointing plate 1.1 is 3-4cm, and the lateral dimension of the iliac fossa jointing plate 1.1 is 5-6cm, described
The outside longitudinal size of iliac fossa jointing plate 1.1 is 5-6cm.
The connecting rod 3 includes that lateral straightway 3.1, arc section 3.2 and vertical straight line segment 3.3, the arc section 3.2 are set
It is placed between lateral straightway 3.1 and vertical straight line segment 3.3, described 3.2 one end of arc section and lateral 3.1 outer end of straightway connect
It connects, 3.2 other end of arc section is connect with 3.3 inner end of vertical straight line segment, and transverse direction 3.1 length of straightway is set as 5-
6cm, 3.2 length of arc section are set as 3-4cm, and 3.3 length of vertical straight line segment is set as 6-7cm.
2 length of outer guide pipe is set as 12-18cm, and outer 2 outer diameter of guide pipe is set as 12mm, the outer guiding
2 internal diameter of pipe is set as 6mm, and interior 4 outer diameter of guide pipe is set as 6mm, and interior 4 internal diameter of guide pipe is set as 2.5mm, it is described in lead
It may be configured as 25cm or 30cm or 35cm to 4 length of pipe.
As a preference, anterior column lag screw guide plate is integrally formed by 3D printing.The concave surface of the guide plate 1 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 the guide plate 1
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.
- Fig. 7 referring to fig. 4, a kind of production method of anterior column lag 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: the simulation merging anterior column lag screw on MIMICS software, observation front pillar screw position in all directions is good,
Find out preferred plan；
Step 4: designing the outer guide pipe of anterior column lag screw guide plate on the basis of anterior column lag screw；
Step 5: guide plate is simulated according to the concrete shape of patient's pelvis iliac fossa and crista iliaca, so that guide plate and patient
Iliac fossa and crista iliaca attach completely, and guide plate is connected with guide pipe outside anterior column lag screw by connecting rod, is then carried out according to 1:1
Anterior column lag screw guide plate is printed in 3D printing.
Embodiment two:
Based on the structure of embodiment one, the middle-end of connecting rod 3 is provided with linkwork 5, to facilitate adjustment is outer to lead
Front pillar position can be precisely aligned to the inner end extended line of pipe 2.
Referring to Fig. 9-Figure 11, a kind of application method of anterior column lag 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 anterior column lag screw guide plate that the implantation 3D printing of iliac fossa incision goes out, so that the anterior column lag screw that 3D printing goes out
Consistent, the complete docile of the iliac fossa and crista iliaca of guide plate and patient at this time is simulated in the position of guide plate and MIMICS three-dimensional software；
Step 4: when the complete docile of the iliac fossa and crista iliaca of guide plate and patient, along the outer guide pipe of anterior column lag screw guide plate
Direction be inserted into guide pipe；
Step 5: piercing the guide pin of diameter 2.5mm along interior guide pipe direction, guarantee that guide pin is located at anterior column lag screw peace
In full tunnel, the Kirschner wire of the diameter 2.5mm of 35cm, 40cm, 45cm, 50cm long is can be selected in guide pin；
Step 6: guide pipe and anterior column lag screw guide plate in successively taking out, the sky of appropriate length is screwed into according to guide pin direction
The anterior column lag screw of the heart, finally removes guide pin.
Step 7: 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 (9)
1. a kind of anterior column lag screw guide plate, it is characterised in that: described to lead including guide plate (1), outer guide pipe (2) and connecting rod (3)
It include lateral iliac fossa jointing plate (1.1) and vertical crista iliaca jointing plate (1.2) to plate (1), wherein crista iliaca jointing plate (1.2)
Inside connect with the outside of iliac fossa jointing plate (1.1), and iliac fossa jointing plate (1.1) and crista iliaca jointing plate (1.2) are integrally formed,
Connecting rod (3) inner end is connect with crista iliaca jointing plate (1.2) outer surface, connecting rod (3) outer end and outer guide pipe (2) outer surface
Connection, outer guide pipe (2) central axes are directed toward front pillar channel, are provided with interior guide pipe (4), institute in the outer guide pipe (2)
Interior guide pipe (4) is stated to be flexibly connected with outer guide pipe (2).
2. a kind of anterior column lag screw guide plate according to claim 1, it is characterised in that: the connecting rod (3) includes laterally straight
Line segment (3.1), arc section (3.2) and vertical straight line segment (3.3), the arc section (3.2) be set to lateral straightway (3.1) and
Between vertical straight line segment (3.3), described arc section (3.2) one end is connect with lateral straightway (3.1) outer end, the arc section
(3.2) other end is connect with vertical straight line segment (3.3) inner end.
3. a kind of anterior column lag screw guide plate according to claim 1, it is characterised in that: the guide plate (1) with a thickness of 4-
6mm。
4. a kind of anterior column lag screw guide plate according to claim 1, it is characterised in that: the iliac fossa jointing plate (1.1) is from interior
Laterally outside size is gradually increased, and the inside longitudinal size of the iliac fossa jointing plate (1.1) is 3-4cm, the iliac fossa jointing plate
(1.1) lateral dimension is 5-6cm, and the outside longitudinal size of the iliac fossa jointing plate (1.1) is 5-6cm.
5. a kind of anterior column lag screw guide plate according to claim 2, it is characterised in that: described transverse direction straightway (3.1) length
It is set as 5-6cm, arc section (3.2) length is set as 3-4cm, and vertical straight line segment (3.3) length is set as 6-
7cm。
6. a kind of anterior column lag screw guide plate according to claim 1, it is characterised in that: outer guide pipe (2) the length setting
For 12-18cm, outer guide pipe (2) outer diameter is set as 12mm, and outer guide pipe (2) internal diameter is set as 6mm, it is described in lead
It is set as 6mm to pipe (4) outer diameter, interior guide pipe (4) internal diameter is set as 2.5mm, and interior guide pipe (4) length may be configured as
25cm or 30cm or 35cm.
7. a kind of anterior column lag screw guide plate according to claim 1, it is characterised in that: the middle-end setting of the connecting rod is hinged
Connection mechanism.
8. a kind of anterior column lag screw guide plate according to claim 1, it is characterised in that: the concave of the guide plate (1)
With the completely corresponding fitting of the shape of the iliac fossa of human body and crista iliaca corresponding position.
9. a kind of anterior column lag screw guide plate according to claim 1, it is characterised in that: the concave of the guide plate (1)
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 |
|---|---|---|---|
| CN201820971478.2U CN209074856U (en) | 2018-06-23 | 2018-06-23 | A kind of anterior column lag screw guide plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820971478.2U CN209074856U (en) | 2018-06-23 | 2018-06-23 | A kind of anterior column lag screw guide plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209074856U true CN209074856U (en) | 2019-07-09 |
Family
ID=67113063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820971478.2U Active CN209074856U (en) | 2018-06-23 | 2018-06-23 | A kind of anterior column lag screw guide plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209074856U (en) |
-
2018
- 2018-06-23 CN CN201820971478.2U patent/CN209074856U/en active Active
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