CN209332250U - Femoral neck cannulated screw guide plate - Google Patents
Femoral neck cannulated screw guide plate Download PDFInfo
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- CN209332250U CN209332250U CN201820971482.9U CN201820971482U CN209332250U CN 209332250 U CN209332250 U CN 209332250U CN 201820971482 U CN201820971482 U CN 201820971482U CN 209332250 U CN209332250 U CN 209332250U
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- guide pipe
- guide plate
- femoral neck
- plate
- cannulated screw
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Abstract
The utility model relates to a kind of femoral neck cannulated 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 the channel of articulatio sacroiliaca 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 femoral neck cannulated screw guide plate of the utility model has the advantages that low cost, positioning are quasi-, also can be reduced using the femoral neck cannulated 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 femoral neck cannulated screw guide plates.
Background technique
Pelvic fracture is the difficult point of orthopaedic trauma, and technical difficulty is big.Traditional open reduction wound is big, bleeding is more, postoperative
Restore slow, with the raising of surgical technic level and the progress for the treatment of concept, after femoral neck cannulated screw is applied to pelvic fracture
The treatment of ring damage.Traditional femoral neck cannulated screw needs to have an X-rayed the direction of lower adjustment guide pin, so that guide pin is located at sacrum ilium pass
In the channel for saving screw, the operation perspective time is long, since misoperation may cause blood vessel, nerve and pelvic cavity viscera damage.Mesh
Before, external and domestic some hospitals have used robotic assisted surgery, so that set the accuracy rate of nail and success rate greatly improves, but
It is that orthopedic robot 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- femoral neck cannulated screw guide plate of a kind of low cost, positioning, while being closed using the sacrum ilium
Section screw guide plate, which also can be reduced, has 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 the quasi- femoral neck cannulated screws of a kind of low cost, positioning
Guide plate also can be reduced using the femoral neck cannulated screw guide plate and have an X-rayed number in surgical procedure, to avoid the perspective of excessive number
Cause the injury to human body.
Purpose of the utility model is realized as follows:
A kind of femoral neck cannulated screw guide plate, its main feature is that: including guide plate, outer guide pipe and connecting rod, the guide plate
Including lateral iliac fossa jointing plate and vertical crista iliaca jointing plate, wherein the inside of crista iliaca jointing plate and iliac fossa jointing plate is outer
Side connection, 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, and the channel of articulatio sacroiliaca is directed toward in the outer guide pipe central axes, described to lead outside
Xiang Guanzhong is provided with interior guide pipe, and 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 8-9cm, and the circular arc segment length is set as 4-5cm, the vertical lines
Segment length is set as 13-18cm.
The outer guiding length of tube is set as 8-13cm, 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.
It is provided with convex block on the outer guiding tube outer surface, the convex block inner cavity is set as hollow structure, and convex block inner wall
It is provided with internal screw thread, external screw thread is provided in the connecting rod outer end face, passes through spiral shell between the connecting rod outer end and convex block
Line connection.
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 femoral neck cannulated screw guide plate of the utility model avoids in art to be had an X-rayed repeatedly, is closed by the sacrum ilium of preoperative customization
Screw guide plate is saved, only need to squeeze into guide pin according to guide pipe direction on femoral neck cannulated screw guide plate, that is, can guarantee that guide pin is located at
In femoral neck cannulated screw exit passageway, sacrum ilium is can be completed in the hollow femoral neck cannulated screw for being screwed into appropriate length along guide pin
The merging of joint screw, it is cheap, it is easy to spread.Therefore a kind of femoral neck cannulated screw guide plate of the utility model has cost
Advantage low, positioning is quasi-, also can be reduced using the femoral neck cannulated screw guide plate and has an X-rayed number in surgical procedure, to avoid excessive
The perspective of number causes the injury to human body.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of femoral neck cannulated 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 femoral neck cannulated screw guide plate of embodiment one two.
The schematic diagram of the step of Fig. 5 is a kind of production method of femoral neck cannulated screw guide plate of embodiment one three.
The schematic diagram of the step of Fig. 6 is a kind of production method of femoral neck cannulated screw guide plate of embodiment one four.
The schematic diagram of the step of Fig. 7 is a kind of production method of femoral neck cannulated screw guide plate of embodiment one five.
Fig. 8 is a kind of structural schematic diagram of femoral neck cannulated screw guide plate of embodiment two.
The schematic diagram of the step of Fig. 9 is a kind of application method of femoral neck cannulated screw guide plate three.
The schematic diagram of the step of Figure 10 is a kind of application method of femoral neck cannulated screw guide plate four.
The schematic diagram of the step of Figure 11 is a kind of application method of femoral neck cannulated 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
Convex block 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 femoral neck cannulated screw guide plate, including guide plate 1, outer guide pipe
2 and connecting rod 3, the guide plate 1 is the plate of similar " 7 " character form structure of a bending, and the guide plate 1 includes lateral ilium
Nest jointing plate 1.1 and vertical crista iliaca jointing plate 1.2, wherein the inside of crista iliaca jointing plate 1.2 and iliac fossa jointing plate 1.1 is outer
Side connection, and iliac fossa jointing plate 1.1 and crista iliaca jointing plate 1.2 are integrally formed, 3 inner end of connecting rod and crista iliaca jointing plate 1.2
Outer surface connection, 3 outer end of connecting rod are connect with outer 2 outer surface of guide pipe, and articulatio sacroiliaca is directed toward in outer 2 central axes of guide pipe
Channel, outer 2 axis of guide pipe is set as hollow pipe, and interior guide pipe 4 is provided in hollow pipe, and outer guide pipe 2 and interior
Point-blank, the interior guide pipe 4 is flexibly connected 4 central axes of guide pipe with outer guide pipe 2.
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 8-
9cm, 3.2 length of arc section are set as 4-5cm, and 3.3 length of vertical straight line segment is set as 13-18cm.
2 length of outer guide pipe is set as 8-13cm, 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, femoral neck cannulated screw guide plate is integrally formed by 3D printing.The guide plate 1 concave surface (
Be exactly bottom surface and the medial surface of crista iliaca jointing plate 1.2 of iliac fossa jointing plate 1.1) shape and human body iliac fossa and crista iliaca corresponding position
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 femoral neck cannulated 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 femoral neck cannulated screw on MIMICS software, observation femoral neck cannulated screw in all directions
Position is good, finds out preferred plan；
Step 4: designing the outer guide pipe of femoral neck cannulated screw guide plate on the basis of femoral neck cannulated 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, guide plate are connected with guide pipe outside femoral neck cannulated screw by connecting rod, then according to 1:1
3D printing is carried out, femoral neck cannulated screw guide plate is printed.
Embodiment two:
Based on the structure of embodiment one, convex block 5,5 inner cavity of convex block are provided on outer 2 outer surface of guide pipe
It is set as hollow structure, and 5 inner wall of convex block is provided with internal screw thread, is provided with external screw thread in 3 outer end face of connecting rod, it is described
It is connected through a screw thread between 3 outer end of connecting rod and convex block 5, to facilitate the inner end extended line for adjusting outer guide pipe 2 can be accurate right
Standard arrives articulatio sacroiliaca position.
Referring to Fig. 9-Figure 11, a kind of application method of femoral neck cannulated 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 femoral neck cannulated screw guide plate that the implantation 3D printing of iliac fossa incision goes out, so that the sacrum ilium that 3D printing goes out
Simulate consistent in the position of joint screw guide plate and MIMICS three-dimensional software, the iliac fossa and crista iliaca of guide plate and patient are complete at this time
Full docile；
Step 4: outer along femoral neck cannulated screw guide plate is led when the complete docile of the iliac fossa and crista iliaca of guide plate and patient
The guide pipe into the insertion of the direction of pipe；
Step 5: piercing the guide pin of diameter 2.5mm along interior guide pipe direction, guarantee that guide pin is located at articulatio sacroiliaca spiral shell
It follows closely in exit passageway, the Kirschner wire of the diameter 2.5mm of 35cm, 40cm, 45cm, 50cm long can be selected in guide pin；
Step 6: guide pipe and femoral neck cannulated screw guide plate in successively taking out, are screwed into appropriate length according to guide pin direction
Hollow femoral neck cannulated screw, finally remove 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 (8)
1. a kind of femoral neck cannulated screw guide plate, it is characterised in that: including guide plate (1), outer guide pipe (2) and connecting rod (3), institute
Stating guide plate (1) includes lateral iliac fossa jointing plate (1.1) and vertical crista iliaca jointing plate (1.2), wherein crista iliaca jointing plate
(1.2) inside is 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) one
Molding, connecting rod (3) inner end are connect with crista iliaca jointing plate (1.2) outer surface, connecting rod (3) outer end and outer guide pipe (2)
The channel of articulatio sacroiliaca is directed toward in outer surface connection, outer guide pipe (2) central axes, is provided in the outer guide pipe (2) interior
Guide pipe (4), the interior guide pipe (4) are flexibly connected with outer guide pipe (2), are provided on outer guide pipe (2) outer surface
Convex block (5), convex block (5) inner cavity is set as hollow structure, and convex block (5) inner wall is provided with internal screw thread, the connecting rod (3)
It is provided with external screw thread in outer end face, is connected through a screw thread between connecting rod (3) outer end and convex block (5).
2. a kind of femoral neck cannulated screw guide plate according to claim 1, it is characterised in that: the connecting rod (3) includes cross
To straightway (3.1), arc section (3.2) and vertical straight line segment (3.3), the arc section (3.2) is set to lateral straightway
(3.1) between vertical straight line segment (3.3), described arc section (3.2) one end is connect with lateral straightway (3.1) outer end, described
Arc section (3.2) other end is connect with vertical straight line segment (3.3) inner end.
3. a kind of femoral neck cannulated screw guide plate according to claim 1, it is characterised in that: the thickness of the guide plate (1)
For 4-6mm.
4. a kind of femoral neck cannulated screw guide plate according to claim 1, it is characterised in that: the iliac fossa jointing plate (1.1)
It is gradually increased from Inside To Outside size, the inside longitudinal size of the iliac fossa jointing plate (1.1) is 3-4cm, the iliac fossa patch
The lateral dimension of plywood (1.1) is 5-6cm, and the outside longitudinal size of the iliac fossa jointing plate (1.1) is 5-6cm.
5. a kind of femoral neck cannulated screw guide plate according to claim 2, it is characterised in that: the transverse direction straightway (3.1)
Length is set as 8-9cm, and arc section (3.2) length is set as 4-5cm, and vertical straight line segment (3.3) length is set as
13-18cm。
6. a kind of femoral neck cannulated screw guide plate according to claim 1, it is characterised in that: outer guide pipe (2) length
It is set as 8-13cm, outer guide pipe (2) outer diameter is set as 12mm, and outer guide pipe (2) internal diameter is set as 6mm, described
Interior guide pipe (4) outer diameter is set as 6mm, and interior guide pipe (4) internal diameter is set as 2.5mm, and interior guide pipe (4) length is settable
For 25cm or 30cm or 35cm.
7. a kind of femoral neck cannulated screw guide plate according to claim 1, it is characterised in that: the concave surface of the guide plate (1)
The completely corresponding fitting of shape and the shape of the iliac fossa of human body and crista iliaca corresponding position.
8. a kind of femoral neck cannulated screw guide plate according to claim 1, it is characterised in that: the concave surface of the guide plate (1)
Shape is the excessive shiny surface of circular arc, is provided with soft rubber cushion below the shiny surface, the one side of soft rubber cushion is bonded with shiny surface, soft
The completely corresponding fitting of the another side of rubber mat 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 |
|---|---|---|---|
| CN201820971482.9U CN209332250U (en) | 2018-06-23 | 2018-06-23 | Femoral neck cannulated screw guide plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820971482.9U CN209332250U (en) | 2018-06-23 | 2018-06-23 | Femoral neck cannulated screw guide plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209332250U true CN209332250U (en) | 2019-09-03 |
Family
ID=67744391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820971482.9U Active CN209332250U (en) | 2018-06-23 | 2018-06-23 | Femoral neck cannulated screw guide plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209332250U (en) |
-
2018
- 2018-06-23 CN CN201820971482.9U patent/CN209332250U/en active Active
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