CN208725864U - The minimally invasive auxiliary reset device of intertrochanteric fracture - Google Patents
The minimally invasive auxiliary reset device of intertrochanteric fracture Download PDFInfo
- Publication number
- CN208725864U CN208725864U CN201820618142.8U CN201820618142U CN208725864U CN 208725864 U CN208725864 U CN 208725864U CN 201820618142 U CN201820618142 U CN 201820618142U CN 208725864 U CN208725864 U CN 208725864U
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- CN
- China
- Prior art keywords
- minimally invasive
- kirschner wire
- auxiliary reset
- wire guiding
- intertrochanteric fracture
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Abstract
The utility model discloses a kind of minimally invasive auxiliary reset devices of intertrochanteric fracture, including sleeve arrangement and pressurizing nut, the sleeve arrangement includes master collet, adjustable bolt and Kirschner wire guiding device, the master collet left end is provided with adjustable bolt, the adjustable bolt includes screw rod and nut, the screw rod includes smooth section and thread segment, the smooth section is located at the left end of thread segment, Kirschner wire guiding device is set on the master collet, multiple guide holes are evenly arranged on the Kirschner wire guiding device, the guide hole is parallel with master collet length direction, each guide hole center and Kirschner wire guiding device centre distance are set as 9mm-10.5mm.A kind of minimally invasive auxiliary reset device of intertrochanteric fracture of the utility model can reduce operation wound, reduce complication rate.
Description
Technical field
The utility model relates to a kind of minimally invasive auxiliary reset devices of intertrochanteric fracture, belong to medical apparatus technology neck
Domain.
Background technique
Intertrochanteric fracture is clinical common classification of fracture, and fixation is to treat such in minimally invasive closed reduction intramedullary nail
It fractures most common method.By traction table closed reduction in operation, can be set by small notch after C arm machine monitoring position is satisfied
Enter intramedullary nail, operation wound is small.But the A1.3 type intertrochanteric fracture or major fracture line for AO parting are located at lesser trochanter
The intertrochanteric fracture of lower section, lesser trochanter are connected with fractured near end block, due to the traction of iliopsoas, are passing through traction table longitudinal traction
Limbs length is restored, after keeping C arm machine monitoring side position satisfied by adjusting lower limb position, on P-A Cephalomatrics, fractured near end block is still
There is larger displacement inwardly.Conventional method is open reduction, and which not only adds the incidences of operation wound and complication, and
And the blood fortune of fracture end is destroyed, influence union.
Summary of the invention
Purpose of the utility model is to overcome the above-mentioned shortcomings and provide a kind of reduction operation wound, reduce complication
The minimally invasive auxiliary reset device of the intertrochanteric fracture of rate.
Purpose of the utility model is realized as follows:
A kind of minimally invasive auxiliary reset device of intertrochanteric fracture, its main feature is that: including sleeve arrangement and pressurizing nut,
The sleeve arrangement includes that master collet, adjustable bolt and Kirschner wire guiding device, the master collet left end are provided with adjustable spiral shell
Bolt, the adjustable bolt include screw rod and nut, and the screw surface is provided with smooth section and thread segment, the smooth section
In being set with Kirschner wire guiding device on the left end of thread segment, the master collet, it is evenly arranged on the Kirschner wire guiding device more
A guide hole, the guide hole is parallel with master collet length direction, each guide hole center and Kirschner wire guiding device center
Distance is set as 9mm-10.5mm.
It is operated using the minimally invasive auxiliary reset device of the intertrochanteric fracture as follows: aobvious according to X-ray film making result first
For the remote folding end lateral side of femur shown to the distance of fracture line, operation consent adjusts the depth that the screw rod on adjustable bolt inserts in the hole
Degree, so that distance and remote folding end lateral side of femur being equidistant to fracture line of the nut to screw rod left end head；
The first step does a stringer skin incision for being about 1cm to 1.5cm in big leg outer side and lesser trochanter level, separates flesh
Meat soft tissue bores a diameter about in 100 ° to hexagonal angle by electric drill and femur long axis at the position to remote folding end lateral side of femur
The hole 5mm beats remote folding end lateral side of femur cortex to fracture line, is then inserted into the screw rod on adjustable bolt along hole, makes adjustable
The remote folding end lateral side of femur cortex of nut contact on whole bolt, forms supporting point；
Second step squeezes into the Luowenke's needle treatment of 3.5mm by master collet, makes above Luowenke's needle treatment head to lesser trochanter
Cortex on the inside of neck of femur；
Third step, threadingly Kirschner wire direction is screwed into pressurizing nut to master collet tail end；
4th step is clamped the square plate of Luowenke's needle treatment tail portion by vessel forceps, pressurizing nut is continued to rotate, so that screw thread
Kirschner wire drives nearly folding end to draw close to remote folding end；
5th step squeezes into the reset Kirschner wire of 1-2 pieces of 2.5mm secondly by Kirschner wire guiding device, avoids pulp cavity；
6th step successively removes pressurizing nut, Luowenke's needle treatment, master collet after aforesaid operations are completed；
7th step proximally cuts the skin incision of 3cm-4cm finally above greater trochanter, separates to greater trochanter, passes through
Small notch is placed in proximal femoral nail, completes fracture fixation.
Preferably, the pressurizing nut internal diameter is set as 3.5mm.
Preferably, the sleeve arrangement internal diameter is set as 3.5mm-5mm.
Preferably, the outer screw diameter is set as 4.5mm-6mm, and the length of the screw rod is set as 30mm-50mm, described
Screw thread segment length is set as 20mm-30mm.
Preferably, the Kirschner wire guiding device is set as circular, and the Kirschner wire guiding device outer diameter is set as 20mm-
25mm。
Preferably, 6-8 guide hole is evenly arranged on the Kirschner wire guiding device, the guide hole internal diameter is set as
3mm。
Preferably, transition region is provided between the thread segment right end and master collet, the transition region outer diameter is from left to right
Gradually increase.
Preferably, the master collet right end is provided with handle, and the handle is U-shaped shape.
Preferably, a pair of of gripping handle is provided on the outside of the pressurizing nut.
Compared with prior art, the utility model has the beneficial effects that
A kind of minimally invasive auxiliary reset device of intertrochanteric fracture of the utility model can reduce operation wound, reduce simultaneously
Send out disease incidence.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the minimally invasive auxiliary reset device of intertrochanteric fracture of the utility model.
Fig. 2 is the right view of master collet and Kirschner wire guiding device in Fig. 1.
Fig. 3 is to operate the device first step schematic diagram.
Fig. 4 is to operate the device second step schematic diagram.
Fig. 5 is to operate the device third step schematic diagram.
Fig. 6 is to operate the 4th step schematic diagram of device.
Fig. 7 is to operate the 5th step schematic diagram of device.
Wherein:
Master collet 1
Adjustable bolt 2, screw rod 2.1, nut 2.2, smooth section 2.11, thread segment 2.12
Transition region 3
Kirschner wire guiding device 4
Guide hole 5
Handle 6
Pressurizing nut 7
Hold handle 8
Remote folding end lateral side of femur 9
Fracture line 10
Femur long axis 11
Luowenke's needle treatment 12
Lesser trochanter 13
Neck of femur 14
Reset Kirschner wire 15
Greater trochanter 16
Nearly folding end 17
Remote folding end 18
Vessel forceps 19.
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 to FIG. 2, the utility model relates to a kind of intertrochanteric fracture minimally invasive auxiliary reset device, packet
Sleeve arrangement and pressurizing nut 7 are included, the sleeve arrangement length is set as 100mm, and the sleeve arrangement internal diameter is set as
3.5mm-5mm, the sleeve arrangement include master collet 1, adjustable bolt 2 and Kirschner wire guiding device 4,1 outer diameter of master collet
It is set as 12mm-15mm, 1 left end of master collet is provided with adjustable bolt 2, and the adjustable bolt 2 includes 2.1 He of screw rod
Nut 2.2,2.2 outer diameter of nut are set as 10mm, and 2.2 length of nut is set as 5mm, the length setting of the screw rod 2.1
For 30mm-50mm, 2.1 outer diameter of screw rod is set as 4.5mm-6mm, and 2.1 surface of screw rod is provided with 2.11 He of smooth section
Thread segment 2.12, the smooth section 2.11 are located at the left end of thread segment 2.12, and 2.12 length of thread segment is set as 20mm-
30mm, is provided with transition region 3 between 2.12 right end of thread segment and master collet 1,3 outer diameter of transition region is from left to right gradually
Increase, the length of the transition region 3 is set as 10mm, and 1 right end of master collet is provided with handle 6, and the handle 6 is U-shaped shape.
Circular Kirschner wire guiding device 4 is set on the master collet 1,4 outer diameter of Kirschner wire guiding device is set as
20mm-25mm, 4 length of Kirschner wire guiding device are set as 10mm, and 6-8 are evenly arranged on the Kirschner wire guiding device 4
Guide hole 5, the guide hole 5 is parallel with 1 length direction of master collet, in each 5 center of guide hole and Kirschner wire guiding device 4
Heart distance is set as 9mm-10.5mm, and 5 internal diameter of guide hole is set as 3mm.
7 internal diameter of pressurizing nut is set as 3.5mm, and a pair of of gripping handle 8 is provided on the outside of the pressurizing nut 7.
Operating process is as follows: first according to X-ray film making remote folding end lateral side of femur 9 as the result is shown to fracture line 10 away from
From operation consent adjusts the depth that the screw rod 2.1 on adjustable bolt 2 inserts in the hole, so that nut 2.2 is to 2.1 left end of screw rod
The distance on head and remote folding being equidistant to fracture line 10 of end lateral side of femur 9；
The first step is done the stringer skin that one is about 1cm to 1.5cm with 13 level of lesser trochanter in big leg outer side and is cut referring to Fig. 3
Mouthful, separation muscular soft tissues to remote folding end lateral side of femur 9 are in 100 ° to 120 ° by electric drill and femur long axis 11 at the position
Remote folding 9 cortex of end lateral side of femur is beaten to fracture line 10, then by the screw rod on adjustable bolt 2 in the hole one diameter of angular bit about 5mm
2.1 are inserted into along hole, so that the nut 2.2 on adjustable bolt 2 is contacted remote folding 9 cortex of end lateral side of femur, form supporting point；
Second step referring to fig. 4, the Luowenke's needle treatment 12 of 3.5mm is squeezed by master collet 1, makes 12 head of Luowenke's needle treatment extremely
The 14 inside cortex of neck of femur of 13 top of lesser trochanter；
Third step is referring to Fig. 5, and threadingly 12 direction of Kirschner wire is screwed into pressurizing nut 7 to 1 tail end of master collet；
4th step continues to rotate pressurization referring to Fig. 6, then by the square plate of the clamping of vessel forceps 19 12 tail portion of Luowenke's needle treatment
Nut 7, so that Luowenke's needle treatment 12 drives nearly folding end 17 to draw close to remote folding end 18, to realize the reduction of the fracture；
5th step is squeezed into the reset Kirschner wire 15 of 1-2 pieces of 2.5mm secondly by Kirschner wire guiding device 4, is avoided referring to Fig. 7
Pulp cavity achievees the purpose that maintain to reset；
6th step successively removes pressurizing nut 7, Luowenke's needle treatment 12, master collet 1 after aforesaid operations are completed；
7th step proximally cuts the skin incision of 3cm-4cm finally above greater trochanter 16, separates to greater trochanter 16,
It is placed in proximal femoral nail by small notch, completes fracture fixation.
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 minimally invasive auxiliary reset device of intertrochanteric fracture, it is characterised in that: including sleeve arrangement and pressurizing nut
(7), the sleeve arrangement includes master collet (1), adjustable bolt (2) and Kirschner wire guiding device (4), and the master collet (1) is left
End is provided with adjustable bolt (2), and the adjustable bolt (2) includes screw rod (2.1) and nut (2.2), the screw rod (2.1)
Surface is provided with smooth section (2.11) and thread segment (2.12), and the smooth section (2.11) is located at the left end of thread segment (2.12),
It is set with Kirschner wire guiding device (4) on the master collet (1), is evenly arranged with multiple guidance on the Kirschner wire guiding device (4)
Hole (5), the guide hole (5) is parallel with master collet (1) length direction, and each guide hole (5) center and Kirschner wire guide
Device (4) centre distance is set as 9mm-10.5mm.
2. a kind of minimally invasive auxiliary reset device of intertrochanteric fracture according to claim 1, it is characterised in that: described
Pressurizing nut (7) internal diameter is set as 3.5mm.
3. a kind of minimally invasive auxiliary reset device of intertrochanteric fracture according to claim 1, it is characterised in that: described
Sleeve arrangement internal diameter is set as 3.5mm-5mm.
4. a kind of minimally invasive auxiliary reset device of intertrochanteric fracture according to claim 1, it is characterised in that: described
Screw rod (2.1) outer diameter is set as 4.5mm-6mm, and the length of the screw rod (2.1) is set as 30mm-50mm, the thread segment
(2.12) length is set as 20mm-30mm.
5. a kind of minimally invasive auxiliary reset device of intertrochanteric fracture according to claim 1, it is characterised in that: described
Kirschner wire guiding device (4) is set as circular, and Kirschner wire guiding device (4) outer diameter is set as 20mm-25mm.
6. a kind of minimally invasive auxiliary reset device of intertrochanteric fracture according to claim 5, it is characterised in that: described
It is evenly arranged on Kirschner wire guiding device (4) 6-8 guide hole (5), guide hole (5) internal diameter is set as 3mm.
7. a kind of minimally invasive auxiliary reset device of intertrochanteric fracture according to claim 1, it is characterised in that: described
It is provided between thread segment (2.12) right end and master collet (1) transition region (3), transition region (3) outer diameter is from left to right gradually
Increase.
8. a kind of minimally invasive auxiliary reset device of intertrochanteric fracture according to claim 1, it is characterised in that: described
Master collet (1) right end is provided with handle (6), and the handle (6) is U-shaped shape.
9. a kind of minimally invasive auxiliary reset device of intertrochanteric fracture according to claim 1, it is characterised in that: described
A pair of of gripping handle (8) is provided on the outside of pressurizing nut (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820618142.8U CN208725864U (en) | 2018-04-27 | 2018-04-27 | The minimally invasive auxiliary reset device of intertrochanteric fracture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820618142.8U CN208725864U (en) | 2018-04-27 | 2018-04-27 | The minimally invasive auxiliary reset device of intertrochanteric fracture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208725864U true CN208725864U (en) | 2019-04-12 |
Family
ID=66022173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820618142.8U Expired - Fee Related CN208725864U (en) | 2018-04-27 | 2018-04-27 | The minimally invasive auxiliary reset device of intertrochanteric fracture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208725864U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108478275A (en) * | 2018-04-27 | 2018-09-04 | 江阴市人民医院 | The minimally invasive auxiliary reset device of intertrochanteric fracture |
-
2018
- 2018-04-27 CN CN201820618142.8U patent/CN208725864U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108478275A (en) * | 2018-04-27 | 2018-09-04 | 江阴市人民医院 | The minimally invasive auxiliary reset device of intertrochanteric fracture |
| CN108478275B (en) * | 2018-04-27 | 2023-12-01 | 江阴市人民医院 | Minimally invasive auxiliary resetting device for intertrochanteric fracture |
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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: 20190412 |