CN208799304U - Percutaneous fixation device for posterior ring pelvic fracture - Google Patents
Percutaneous fixation device for posterior ring pelvic fracture Download PDFInfo
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- CN208799304U CN208799304U CN201820575339.8U CN201820575339U CN208799304U CN 208799304 U CN208799304 U CN 208799304U CN 201820575339 U CN201820575339 U CN 201820575339U CN 208799304 U CN208799304 U CN 208799304U
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- screw
- sacrum
- anterior inferior
- posterior ring
- pedicle
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Abstract
The utility model discloses a kind of Percutaneous fixation devices for posterior ring pelvic fracture, belong to the field of medical instrument technology, the pitman including 1 pedicle screw of sacrum, anterior inferior spine screw and connection 1 pedicle screw of sacrum and the anterior inferior spine screw；One end of 1 pedicle screw of sacrum reaches 1 centrum of sacrum through the ilium outside plate of posterior ring pelvic, articulatio sacroiliaca, 1 pedicle of vertebral arch of sacrum, one end of the anterior inferior spine screw from the top of anterior inferior spine through acetabular bone above, acetabular anterior column, be directed toward greater sciatic notch top；The tail end of 1 pedicle screw of sacrum and the anterior inferior spine screw is separately fixed on the pitman.The present apparatus can complete percutaneous manipulation, effectively avoid caused by pelvis conventional therapy compared with macrolesion, and can be effectively fixed fracture site, maintain posterior ring pelvic stability.
Description
Technical field
The utility model belongs to the field of medical instrument technology, and in particular to it is a kind of for posterior ring pelvic fracture through intradermal solid
Determine device.
Background technique
Posterior ring pelvic anatomical structure is complicated, and main includes ilium, articulatio sacroiliaca, rumpbone, coccyx and its company at acetabular bone rear
Connect ligament etc..Posterior ring pelvic plays a leading role to the stability of entire pelvis, and biomechanics Research discovery, rear ring structure is to pelvis
Stabilization account for 60%.Height pendant wound, traffic accident wound the Risk Factors such as injure by a crashing object and can often cause posterior ring pelvic that fracture occurs, dislocates,
Restore the continuous of posterior ring pelvic, and rebuilds the emphasis that its stability is surgical intervention.
Traditional internal fixation operation of cutting and resetting wound is big, bleeding is more, and some patientss are not resistant to, and easily cause neural blood
The complication such as pipe damage, wound infection.And major way fixed in common posterior ring pelvic damage includes: that across the sacrum ilium in preceding road closes
It is fixed etc. through ilium steel plate, ilium waist to save steel plate, the way of escape, there are shortcomings.Steel plate screw internal fixation operation needs larger notch sudden and violent
Dew, bleeding is more, is difficult to effective pressurization the disadvantages of fixing, cannot bearing a heavy burden in early days.Ilium pedicle of lumbar vertebra screw is fixed have it is easy to operate,
Fixation, advantage highly-safe, significant in efficacy, but sacrococcyx rear portion is covered without muscle, and subcutaneous tissue is relatively thin, postoperative patient
Based on dorsal position, screw tail end oppress skin caused by postoperative pain, infection, cutaneous necrosis, pressure sore the problems such as it is more.
In recent years, with the continuous renewal of iconography equipment and to pelvic anatomy feature, biomechanics characteristic and its
Fracture mechanism further appreciates that minimal invasion surgical technic becomes the developing direction of Unstable pelvic fractures treatment.Way of escape spiral shell
Nail technology is using more and more, and compared with traditional treatment, such technology has that wound is small, operating time is short, bleeding is few, infection wind
The advantages that danger is low, patient suffering is small, effect is good, recovery is fast, few intercurrent disease.But simple femoral neck cannulated screw technology, equally deposit
Anti-shearing force, torsional rotation force, resistance to stress effect it is poor, set nail difficulty it is larger, misoperation easily cause blood vessel or nerve
The disadvantages of damage, postoperative patient early stage still needs to bed.And for the patient with fracture of ilium, simple femoral neck cannulated screw is not
It is applicable in, even if auxiliary iliac screw is fixed, can not accomplish strong effective fixation, be unfavorable for the recovery of patient.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of Percutaneous fixation dresses for posterior ring pelvic fracture
Set, surgical procedure is safe and reliable, can complete percutaneous manipulation, effectively avoid caused by pelvis conventional therapy compared with macrolesion, and
And the stability that fracture site can also be effectively fixed, maintain posterior ring pelvic.
In order to solve the above technical problems, the technical solution of the utility model is:
For the Percutaneous fixation device of posterior ring pelvic fracture, including 1 pedicle screw of sacrum, anterior inferior spine screw and connection
The pitman of 1 pedicle screw of sacrum and the anterior inferior spine screw；One end of 1 pedicle screw of sacrum is through posterior ring pelvic
Ilium outside plate, articulatio sacroiliaca, 1 pedicle of vertebral arch of sacrum reach 1 centrum of sacrum, one end of the anterior inferior spine screw is from the upper of anterior inferior spine
It is directed toward above greater sciatic notch through acetabular bone top, acetabular anterior column side；1 pedicle screw of sacrum and the anterior inferior spine screw
Tail end be separately fixed on the pitman.
Further, 1 pedicle screw of sacrum and the anterior inferior spine screw are each passed through on the articulatio sacroiliaca
Bone channel above bone channel and the anterior inferior spine.
Further, the pitman is mounted on the deep face of muscle on the outside of the ilium outside plate.
Further, the anatomical structure of the pitman and the ilium outside plate matches.
Further, the stud that the pitman is 8 millimeters of diameter.
Further, the pitman is passed through equipped with confession 1 pedicle screw of sacrum and the anterior inferior spine screw
First screw hole and the second screw hole, first screw hole and second screw hole respectively with 1 pedicle screw of sacrum
Match with the anterior inferior spine screw.
Further, first screw hole and second screw hole are separately positioned on the both ends of the pitman.
Further, 1 pedicle screw of sacrum and the anterior inferior spine screw are 8 millimeters of diameter of titanium matter full thread
Cancellous bone screw, length are 45 millimeters~110 millimeters.
Further, the length of 1 pedicle screw of sacrum is 80 millimeters, and the length of the anterior inferior spine screw is 60 millis
Rice.
Further, the heart of 1 pedicle screw of sacrum and the anterior inferior spine screw is hollow.
After above-mentioned technical proposal, the beneficial effects of the utility model are:
Due to the Percutaneous fixation device for posterior ring pelvic fracture of the utility model, including 1 pedicle screw of sacrum, ilium
The pitman of front lower stone screw and connection sacrum 1 pedicle screw and anterior inferior spine screw；One end of 1 pedicle screw of sacrum is through pelvis
The ilium outside plate of ring, articulatio sacroiliaca, 1 pedicle of vertebral arch of sacrum reach 1 centrum of sacrum afterwards, and one end of anterior inferior spine screw is from the upper of anterior inferior spine
It is directed toward above greater sciatic notch through acetabular bone top, acetabular anterior column side；The tail end of 1 pedicle screw of sacrum and anterior inferior spine screw point
It is not fixed on pitman, is percutaneous manipulation when being performed the operation using the present apparatus, securely and reliably, wound is small, bleeding is few, Infective morbidity
It is few；By the fixation of pitman, anti-shearing force, torsional rotation force, resistance to stress effect are good for 1 pedicle screw of sacrum, anterior inferior spine screw,
Fixing intensity is big, and stablizing effect is good, the stability that can effectively fix fracture site, maintain posterior ring pelvic.
Since pitman is mounted on the deep face of muscle on the outside of ilium outside plate, implantation difficulty is small, relatively easy, safety of performing the operation
It is high.
Due to the heart of 1 pedicle screw of sacrum and anterior inferior spine screw be it is hollow, when operation, squeezed into bone channel
Kirschner wire confirms the angle and length of Kirschner wire, selects suitable screw, is screwed into channel, can effectively mention through Kirschner wire guidance
The accuracy of high screw placement.
In conclusion the complete percutaneous manipulation of Percutaneous fixation device for posterior ring pelvic fracture of the utility model, hand
Art is safe and reliable, and wound is small, bleeding is few, Infective morbidity is few, effectively solves the fixation problem at posterior ring pelvic fracture position, installation
Difficulty is small, and stability is high.
Detailed description of the invention
Fig. 1 is scheme of installation of the utility model for the Percutaneous fixation device of posterior ring pelvic fracture；
In figure, 1 pedicle screw of 10- sacrum, 11- anterior inferior spine screw, 12- pitman, 20- ilium, 21- acetabular bone, 22- ilium
Front lower spine, 23- articulatio sacroiliaca, 1 centrum of 24- sacrum.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples.
The orientation being related in this specification is subject to shown in attached drawing, and relative positional relationship is only represented, and is not represented absolutely
Positional relationship, the outside being related in this specification refer to the side far from posterior ring pelvic center.
As shown in Figure 1, being used for the Percutaneous fixation device of posterior ring pelvic fracture, including 1 pedicle screw 10 of sacrum, ilium are front lower
The pitman 12 of stone screw 11 and connection sacrum 1 pedicle screw 10 and anterior inferior spine screw 11.One end of 1 pedicle screw 10 of sacrum
Reach 1 centrum 24 of sacrum through ilium outside plate, articulatio sacroiliaca 23,1 pedicle of vertebral arch of sacrum on ilium 20, one end of anterior inferior spine screw 11 from
It is directed toward above greater sciatic notch through 21 top of acetabular bone, acetabular anterior column the top of anterior inferior spine 22.1 pedicle screw 10 of sacrum and ilium
The tail end of front lower stone screw 11 is separately fixed on pitman 12, and pitman 12 is mounted on the outside of ilium outside plate, is located at gluteus
Deep face.Wherein, before 1 pedicle screw 10 of sacrum and anterior inferior spine screw 11 are each passed through bone channel and ilium on articulatio sacroiliaca 23
The bone channel of lower 22 top of spine, that is, avoid blood vessel and nerve, two screws can be implanted into safely.Articulatio sacroiliaca is clinically percutaneously installed
Screw technique is close to maturation is improved, and anterior inferior spine position is than shallower, and pitman 12 is mounted on the depth of muscle on the outside of ilium outside plate
In face, pedicle screw and pitman 12 are all easier, and aforesaid operations are time-consuming less.Moreover, two pieces of screws and pitman 12
Implantation position is shallower, removes and is very easy to, and the damage caused by patient body is small.
As shown in Figure 1, pitman 12 is equipped with the first spiral shell passed through for 1 pedicle screw 10 of sacrum and anterior inferior spine screw 11
Nail hole and the second screw hole, the first screw hole and the second screw hole respectively with 1 pedicle screw 10 of sacrum and anterior inferior spine screw 11
Match.First screw hole and the second screw hole are separately positioned on the both ends of pitman 12.
Preferred 1 pedicle screw 10 of sacrum and anterior inferior spine screw 11 are that 8 millimeters of diameter of titanium matter is complete in present embodiment
Screw thread cancellous bone screw, length are 45mm~110mm.Further, 1 pedicle screw 10 of sacrum is preferably the spiral shell of length 80mm
Nail, anterior inferior spine screw 11 are preferably the screw of length 60mm.Wherein, 1 pedicle screw 10 of sacrum and anterior inferior spine screw 11
Heart be it is hollow, can be accurately implanted into the patient under the guidance of Kirschner wire.
Pitman 12 and the anatomical structure of ilium outside plate match, and can effectively mitigate the burden of patient.It is excellent in the present embodiment
Selecting pitman 12 is 8 millimeters of diameter of stud, and plastotype is simple, and intensity is reliable, and the stud for choosing suitable length is moulded by ilium outside plate
After type, through skin incision, gluteus depth face is passed through, is connect and 1 pedicle screw 10 of sacrum and anterior inferior spine spiral shell with ilium outside plate outside
Between nail 11.
It is had an X-rayed during operation using C-arm, can effectively ensure that the precision and efficiency of implantation, overall surgical time and traditional
The operation of open reduction Plate internal fixiation, which is compared, to be significantly reduced.
Pelvic fracture merges multiple injury, the combined injury at other positions, patient is commonly present blood flow usually from high-energy damage
Mechanics is abnormal, and traditional incision reduction fixation operation wound is big, bleeding is more, can not implement in early days.And fixed damage is small in this, goes out
Blood is few, only needs the small notch of two 1.5cm or so that the interior fixation of posterior ring pelvic can be completed when being implanted into the present apparatus, damage is small, out
Blood 50ml or so hardly has any impact to the haemodynamics of patient, therefore can be with early implementation.It is suitble to most bone
Ring fracture dislocation patient after basin.And since notch is small, bleeding is few, the time is short, therefore postoperative infection is few, and patient's postoperative pain is light,
Restore fast.It is particularly suitable for senile osteoporosis patient, is conducive to the treatment and rehabilitation of the elderly.
The utility model for posterior ring pelvic fracture dislocation inner fixing device, by setting can percutaneous manipulation sacrum 1
Pedicle screw, anterior inferior spine screw and the pitman for connecting two screws can reduce patient's damage, effectively fixed fractures
Position, the stability for rebuilding posterior ring pelvic.
Although the foregoing describe specific embodiment of the present utility model, it should be appreciated by those skilled in the art,
Described embodiment is only a part of the embodiment of the utility model, and instead of all the embodiments, these are only to lift
Example explanation, the protection scope of the utility model is limited by described claims.Those skilled in the art is without departing substantially from this
It, can be to these embodiments under any creative labor of no process under the premise of the principle and essence of utility model
Various changes or modifications are made, but these change and modification each fall within the protection scope of the utility model.
Claims (10)
1. being used for the Percutaneous fixation device of posterior ring pelvic fracture, which is characterized in that including 1 pedicle screw of sacrum, anterior inferior spine
Screw and the pitman for connecting 1 pedicle screw of sacrum and the anterior inferior spine screw；One end of 1 pedicle screw of sacrum
Ilium outside plate, articulatio sacroiliaca through posterior ring pelvic, 1 pedicle of vertebral arch of sacrum reach 1 centrum of sacrum, and one end of the anterior inferior spine screw is from ilium
It is directed toward above greater sciatic notch through acetabular bone top, acetabular anterior column the top of front lower spine；1 pedicle screw of sacrum and the ilium
The tail end of front lower stone screw is separately fixed on the pitman.
2. the Percutaneous fixation device according to claim 1 for posterior ring pelvic fracture, which is characterized in that the sacrum 1
Pedicle screw and the anterior inferior spine screw are each passed through above bone channel and the anterior inferior spine of the articulatio sacroiliaca
Bone channel.
3. the Percutaneous fixation device according to claim 1 for posterior ring pelvic fracture, which is characterized in that the connection
Stick is mounted on the deep face of muscle on the outside of the ilium outside plate.
4. the Percutaneous fixation device according to claim 3 for posterior ring pelvic fracture, which is characterized in that pitman with
The anatomical structure of the ilium outside plate matches.
5. the Percutaneous fixation device according to claim 4 for posterior ring pelvic fracture, which is characterized in that the connection
The stud that stick is 8 millimeters of diameter.
6. the Percutaneous fixation device according to claim 5 for posterior ring pelvic fracture, which is characterized in that the connection
Stick is equipped with the first screw hole and the second screw hole passed through for 1 pedicle screw of sacrum and the anterior inferior spine screw, institute
The first screw hole and second screw hole is stated to match with 1 pedicle screw of sacrum and the anterior inferior spine screw respectively.
7. the Percutaneous fixation device according to claim 6 for posterior ring pelvic fracture, which is characterized in that described first
Screw hole and second screw hole are separately positioned on the both ends of the pitman.
8. the Percutaneous fixation device according to claim 2 for posterior ring pelvic fracture, which is characterized in that the sacrum 1
Pedicle screw and the anterior inferior spine screw are 8 millimeters of diameter of titanium matter full thread cancellous bone screw, and length is 45 millimeters
~110 millimeters.
9. the Percutaneous fixation device according to claim 8 for posterior ring pelvic fracture, which is characterized in that the sacrum 1
The length of pedicle screw is 80 millimeters, and the length of the anterior inferior spine screw is 60 millimeters.
10. the Percutaneous fixation device according to claim 9 for posterior ring pelvic fracture, which is characterized in that the sacrum 1
The heart of pedicle screw and the anterior inferior spine screw is hollow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820575339.8U CN208799304U (en) | 2018-04-20 | 2018-04-20 | Percutaneous fixation device for posterior ring pelvic fracture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820575339.8U CN208799304U (en) | 2018-04-20 | 2018-04-20 | Percutaneous fixation device for posterior ring pelvic fracture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208799304U true CN208799304U (en) | 2019-04-30 |
Family
ID=66224309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820575339.8U Expired - Fee Related CN208799304U (en) | 2018-04-20 | 2018-04-20 | Percutaneous fixation device for posterior ring pelvic fracture |
Country Status (1)
| Country | Link |
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| CN (1) | CN208799304U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2736839C1 (en) * | 2020-03-05 | 2020-11-20 | Никита Николаевич Заднепровский | Device for closed osteosynthesis of pelvic fractures and rod fixation of pelvic bones |
-
2018
- 2018-04-20 CN CN201820575339.8U patent/CN208799304U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2736839C1 (en) * | 2020-03-05 | 2020-11-20 | Никита Николаевич Заднепровский | Device for closed osteosynthesis of pelvic fractures and rod fixation of pelvic bones |
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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 |
Granted publication date: 20190430 Termination date: 20200420 |
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| CF01 | Termination of patent right due to non-payment of annual fee |