CN107981925A - A kind of pelvis inner support fixed system - Google Patents
A kind of pelvis inner support fixed system Download PDFInfo
- Publication number
- CN107981925A CN107981925A CN201711422969.8A CN201711422969A CN107981925A CN 107981925 A CN107981925 A CN 107981925A CN 201711422969 A CN201711422969 A CN 201711422969A CN 107981925 A CN107981925 A CN 107981925A
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- China
- Prior art keywords
- pelvis
- screw
- inner support
- support fixed
- fixed system
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/60—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like for external osteosynthesis, e.g. distractors, contractors
- A61B17/66—Alignment, compression or distraction mechanisms
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B2017/564—Methods for bone or joint treatment
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
Abstract
The invention discloses a kind of pelvis inner support fixed system, curved rod including two pelvis screws and for being placed on subcutaneous abdomen, one end of two pelvis screws is connected with the curved rod, further include the telescopic connection component of length, the other end connection corresponding with two ends of the connection component respectively of two pelvis screws.Two pelvis screws, curved rod and the connection component of the present invention form the annular of a closing, and annular structure make it that overall structure is more firm；Meanwhile the length of connection component can stretch, two pelvis screws can be strutted or tightened, realize the function of pelvis left and right directions pressure regulation so that the operation of pressure regulation is simpler.
Description
Technical field
The invention belongs to medical auxiliary instrument technical field, and in particular to a kind of pelvis inner support fixed system.
Background technology
Pelvic fracture is a type of orthopaedics major injury, and common surgical is fixed fracture mode and consolidated including pelvis front ring
Determine, posterior ring pelvic is fixed and passage screw is fixed.Pelvis front ring fixed form mainly has exterior fixing rack, steel plate screw to fix,
Percutaneous nail-stick system is fixed and simple screw is fixed；Pelvis rear is fixed with across ilium Interal fixation, ilium rod is fixed, across ilium
Nail rod is fixed and adjustable bone plate；Passage screw is fixed main backbone pelvis nail-stick system and is fixed, it is suitable for pelvis with
The situation that lumbar vertebrae is secured together.
Above-mentioned three kinds of modes, its internal fixation device are divided into two parts, and a part is in front of pelvis, and another part is in bone
Basin, and two parts are separated so that and overall stability is inadequate；Various apparatus standards differ, and connection is inconvenient；It is meanwhile existing
Some fixation fracture modes, it is impossible to the more easily pressure between adjusting instrument and pelvis.
The content of the invention
To solve the above-mentioned problems, the present invention provides a kind of stable structure and the pelvis inner support of pressure regulation can be facilitated to consolidate
Determine system.
To achieve the above object, the present invention is achieved by following technical scheme：
A kind of pelvis inner support fixed system of the present invention, including two pelvis screws and for being placed on belly skin
Under curved rod, one end of two pelvis screws is connected with the curved rod, further includes the telescopic connection component of length, two
The connection corresponding with two ends of the connection component respectively of the other end of a pelvis screw.
Further, the connection component includes connector and two regulating parts for being connected with the pelvis screw,
Two regulating parts are respectively provided at the both ends of the connector and so as to mode close to each other or remote is connected to institute
State connector.
Further, the connector and the regulating part are by the way of being threadedly coupled.
Further, the connector is the sleeve equipped with internal thread hole, and the internal thread hole is included for left hand thread
First thread segment and the second thread segment for right-handed thread；
Two regulating parts are respectively the first attachment screw equipped with left hand thread and the second company equipped with right-handed thread
Connect screw；
First attachment screw is connected to first thread segment, and second attachment screw is connected to second spiral shell
Line section.
Further, the outer wall of the sleeve, which is equipped with, is clamped for spanner to rotate the Access Division of the sleeve.
Further, first attachment screw be equipped be used to limiting first attachment screw screw in the sleeve away from
From the first nut.
Further, second attachment screw be equipped be used to limiting second attachment screw screw in the sleeve away from
From the second nut.
Further, the head of first attachment screw and second attachment screw is equipped with for the pelvis screw
The lantern ring that passes through of afterbody, the pelvis screw, which is equipped with, to be used to limit the fixing nut that the lantern ring slips the pelvis screw.
Further, the head of the pelvis screw is equipped with the open slot for being used for being put into for the curved rod in it, described to open
The inner wall of mouth groove is equipped with screw thread；Further include the sealing screw that the open slot is skidded off for limiting the curved rod, the sealing spiral shell
Nail is threadedly coupled with the open slot.
Further, ilium pitman is further included, the ilium pitman is sheathed on the pelvis screw.
Compared with prior art, the beneficial effects of the invention are as follows：
Two pelvis screws, curved rod and the connection component of the present invention form the annular of a closing, and annular structure causes
Overall structure is more stablized；Meanwhile the length of connection component can stretch, two pelvis screws can be strutted or tighten, it is real
The function of existing pelvis left and right directions pressure regulation so that the operation of pressure regulation is simpler.
Brief description of the drawings
The embodiment of the present invention is described in further detail below in conjunction with the accompanying drawings, wherein：
Fig. 1 is a kind of structure diagram of pelvis inner support fixed system described in the embodiment of the present invention 1；
Fig. 2 is that Fig. 1 disassembles schematic diagram；
The sectional view of sleeve described in Fig. 3 embodiment of the present invention 1；
Fig. 4 is a kind of structure diagram of pelvis inner support fixed system described in the embodiment of the present invention 2.
In figure：
1- curved rods；
2- pelvis screws；
21- fixing nuts；22- open slots；
3- connection components；
31- sleeves；311- internal thread holes；The first thread segments of 3111- 3111；The second thread segments of 3112-；
The first attachment screws of 32-；The first nuts of 321-；First lantern rings of 322-；
The second attachment screws of 33-；The second nuts of 331-；Second lantern rings of 332-；
4- sealing screws；
5- ilium pitmans.
Embodiment
The preferred embodiment of the present invention is illustrated below in conjunction with attached drawing, it will be appreciated that described herein preferred real
Apply example to be merely to illustrate and explain the present invention, be not intended to limit the present invention.
Embodiment 1
As shown in FIG. 1 to 3, a kind of pelvis inner support fixed system of the present invention, including 1, two pelvis of curved rod
Screw 2, connection component 3, curved rod 1 are used to be placed on subcutaneous abdomen, and pelvis screw 2 is used for the ilium through pelvis.Two pelvises
One end of screw 2 is connected with curved rod 1, and the other end of two pelvis screws 2 is corresponding with two ends of connection component 3 respectively to be connected
Connect, that is to say, that two pelvis screws 2, curved rod 1 and connection component 3 form the annular of a closing, and annular structure causes whole
The structure of body is more firm., can be by two pelvises when connection component 3 extends meanwhile the length of connection component 3 can stretch
Screw 2 is to reversely strutting；When connection component 3 shortens, pelvis right and left can be realized by two pelvis screws 2 to tightening in the same direction
To the function of pressure regulation.
Preferably, connection component 3 includes connector and two regulating parts, two regulating parts are respectively provided at the both ends of connector
And be connected with connector, each regulating part pelvis screw 2 corresponding with one connects.Also, two regulating parts are connecting
Can be close to each other or remote on part, when two regulating parts are located remotely from each other, extended equivalent to connection component 3；When two adjustings
When part is close to each other, shorten equivalent to connection component 3.
Preferably, by the way of being threadedly coupled, two regulating parts screw in connector by adjusting for connector and regulating part
Interior length, realizes the flexible of 3 length of connection component.Specifically, connector is sleeve 31, and sleeve 31 is equipped with internal thread hole 311,
Internal thread hole 311 includes two sections, respectively the first thread segment 3111 and the second thread segment 3112, wherein, the first thread segment 3111
For left hand thread, the second thread segment 3112 is right-handed thread.Correspondingly, two regulating parts are respectively the first attachment screw 32 and
Two attachment screws 33, the first attachment screw 32 are equipped with left hand thread, are connected to the first thread segment 3111；Second attachment screw 33 is set
There is right-handed thread, be connected to the second thread segment 3112.At this time, sleeve 31 is kept not rotate, the first attachment screw 32 and second connects
Connect screw 33 at the same time to a direction rotate when, the first attachment screw 32 and the second attachment screw 33 are the corresponding screw threads of precession
Section, realizes that the two is close to each other；When first attachment screw 32 and the second attachment screw 33 are rotated to another direction at the same time, first
32 and second attachment screw 33 of attachment screw is to screw out corresponding thread segment, realizes that the two is located remotely from each other.Similarly, holding is worked as
When first attachment screw 32 and the second attachment screw 33 do not rotate, sleeve 31 is rotated to a direction, in the effect of threading force
Under, the first attachment screw 32 and the second attachment screw 33 can be threaded into corresponding thread segment at the same time, the two is close to each other；By sleeve
31 rotate to another direction, and under the action of threading force, the first attachment screw 32 and the second attachment screw 33 can be revolved at the same time
Go out corresponding thread segment, the two is located remotely from each other.Based on above-mentioned principle, after all parts are completed, i.e. 1, two bone of curved rod
After basin screw 2 and connection component 3 form the annular of a closing, since the first attachment screw 32 and the second attachment screw 33 connect
Corresponding pelvis screw 2 is connected to, therefore the two can not be rotated, at this time, respectively to opposite both direction turnbarrel 31, you can
Realize the close to each other or remote of the first attachment screw 32 and the second attachment screw 33, so as to fulfill the flexible of connection component 3, into
And achieve the purpose that to strut or shrink two pelvis screws 2.
Preferably, the outer wall of sleeve 31 is equipped with Access Division 312, and Access Division 312 is adapted with spanner, and spanner is connected to clamping
Can easily rotational sleeve 31 behind portion 312.Access Division 312 connects two altogether, is respectively provided at the both ends of sleeve 31, specifically, card
Socket part 312 be with 31 integrally formed regular hexagonal prism of sleeve, be looped around the outer wall of sleeve 31.
Preferably, the first attachment screw 32 is equipped with the first nut 321, and the first nut 321 is threadedly connected to the first connection spiral shell
Nail 32, when the position adjustment between the first attachment screw 32 and sleeve 31 in place after, rotation the first nut 321 make itself and sleeve 31
End abut against, at this time if continue turnbarrel 31, the first attachment screw 32 can not also continue by further screw in set
In cylinder 31, therefore the first nut 321 plays the role of limiting the distance that the first attachment screw 32 screws in sleeve 31.Based on above-mentioned
Identical purpose, it is preferable that the second attachment screw 33 is equipped with the second nut 331, and the second nut 331 is threadedly connected to the second connection
Screw 33, is readily apparent that, the second nut 331 can equally play the work that the second attachment screw 33 of limitation screws in the distance of sleeve 31
With.
Preferably, the head of the first attachment screw 32 and the second attachment screw 33 is equipped with the lantern ring, and the lantern ring can be for pelvis
The afterbody of screw 2 passes through, and specifically, the head of the first attachment screw 32 is equipped with first lantern ring 322, the head of the second attachment screw 33
Portion is equipped with second lantern ring 332.
Shape based on pelvis understands, two pelvis screws 2 pass through corresponding ilium after be not parallel, but can shape
In an angle, shape of the pelvis inner support fixed system in use state in almost fan.In order to make pelvis screw 2 can be with
Successfully pass through the lantern ring, it is preferable that first lantern ring 322 and 32 relative tilt of the first attachment screw are set, the two forms a folder
Angle, the angle are by medically obtaining ilium angle, then the angle drawn by the conversion of ilium angle after to pelvic anatomy.Phase
Ying Di, uses above-mentioned identical connection mode between the second attachment screw 33 and second lantern ring 332.
Meanwhile pelvis screw 2 is equipped with fixing nut 21, fixing nut 21 is threadedly connected to pelvis screw 2, fixing nut 21
The lantern ring can be limited and slip pelvis screw 2, first will be fixed by taking the assembling process of the first attachment screw 32 and pelvis screw 2 as an example
Nut 21 is pulled down, and pelvis screw 2 then is passed through first lantern ring 322, fixing nut 21 finally is mounted in pelvis screw 2 again, this
When fixing nut 21 can limit first lantern ring 322 and slip pelvis screw 2, so as to fulfill 2 and first attachment screw of pelvis screw
32 connection.By rotary fixing screw mother 21 connection component 3 can also be promoted to be slided along pelvis screw 2, so as to change connection group
Pressure between part 3 and pelvis, realizes the voltage regulation function in Anterior and posterior ring of pelvics direction., can be by pelvis after the completion of being operated to pressure regulation
Screw 2 is cut beyond the part of fixing nut 21.
Preferably, the head of pelvis screw 2 is equipped with open slot 22, and curved rod 1 can be placed in open slot 22.In order to by pelvis
Screw 2 is connected with curved rod 1, and present invention additionally comprises sealing screw 4, the inner wall of open slot 22 is equipped with screw thread, and curved rod 1 is put into open slot
After in 22, sealing screw 4 is threadedly coupled with open slot 22, so that open slot 22 be sealed, becomes to form a closing
Ring-type, and then prevent curved rod 1 from skidding off open slot 22.
Embodiment 2
As shown in figure 4, embodiment 2 and the difference of embodiment 1 are that present invention additionally comprises ilium pitman 5, ilium
Pitman 5 is sheathed on pelvis screw 2, and ilium pitman 5 can be connected fixation with lumbar vertebrae.
A kind of other structures of pelvis inner support fixed system of the present invention are referring to the prior art.
The above described is only a preferred embodiment of the present invention, not make limitation in any form to the present invention, therefore
Every any modification that without departing from technical solution of the present invention content, the technical spirit according to the present invention makees above example,
Equivalent variations and modification, in the range of still falling within technical solution of the present invention.
Claims (10)
1. a kind of pelvis inner support fixed system, including two pelvis screws and the curved rod for being placed on subcutaneous abdomen, two
One end of the pelvis screw is connected with the curved rod, it is characterised in that further include the telescopic connection component of length, two
The connection corresponding with two ends of the connection component respectively of the other end of the pelvis screw.
2. a kind of pelvis inner support fixed system according to claim 1, it is characterised in that the connection component includes connecting
Fitting and two regulating parts for being connected with the pelvis screw, two regulating parts are respectively provided at the two of the connector
Hold and so as to mode close to each other or remote is connected to the connector.
3. a kind of pelvis inner support fixed system according to claim 2, it is characterised in that the connector and the tune
Part is saved by the way of being threadedly coupled.
A kind of 4. pelvis inner support fixed system according to claim 3, it is characterised in that
The connector is the sleeve equipped with internal thread hole, and the internal thread hole is including being the first thread segment of left hand thread and being
Second thread segment of right-handed thread；
Two regulating parts are respectively the first attachment screw equipped with left hand thread and the second connection spiral shell equipped with right-handed thread
Nail；
First attachment screw is connected to first thread segment, and second attachment screw is connected to second screw thread
Section.
5. a kind of pelvis inner support fixed system according to claim 4, it is characterised in that the outer wall of the sleeve is equipped with
It is clamped for spanner to rotate the Access Division of the sleeve.
6. a kind of pelvis inner support fixed system according to claim 4, it is characterised in that first attachment screw is set
It is useful for limiting the first nut of the distance that first attachment screw screws in the sleeve.
7. a kind of pelvis inner support fixed system according to claim 4, it is characterised in that second attachment screw is set
It is useful for limiting the second nut of the distance that second attachment screw screws in the sleeve.
A kind of 8. pelvis inner support fixed system according to claim 4, it is characterised in that first attachment screw and
The head of second attachment screw is equipped with the lantern ring passed through for the afterbody of the pelvis screw, and the pelvis screw, which is equipped with, to be used
In the fixing nut for limiting the lantern ring slippage pelvis screw.
A kind of 9. pelvis inner support fixed system according to claim 1, it is characterised in that the head of the pelvis screw
Equipped with the open slot for being put into for the curved rod in it, the inner wall of the open slot is equipped with screw thread；Further include for limiting institute
The sealing screw that curved rod skids off the open slot is stated, the sealing screw is threadedly coupled with the open slot.
A kind of 10. pelvis inner support fixed system according to claim 1, it is characterised in that ilium pitman is further included,
The ilium pitman is sheathed on the pelvis screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711422969.8A CN107981925B (en) | 2017-12-25 | 2017-12-25 | Intra-pelvic support fixing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711422969.8A CN107981925B (en) | 2017-12-25 | 2017-12-25 | Intra-pelvic support fixing system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107981925A true CN107981925A (en) | 2018-05-04 |
| CN107981925B CN107981925B (en) | 2020-12-25 |
Family
ID=62041876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711422969.8A Active CN107981925B (en) | 2017-12-25 | 2017-12-25 | Intra-pelvic support fixing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107981925B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5645544A (en) * | 1995-09-13 | 1997-07-08 | Danek Medical, Inc. | Variable angle extension rod |
| CN2386780Y (en) * | 1999-09-02 | 2000-07-12 | 中国人民解放军第三军医大学第二附属医院 | Front path restore fixer for thoracic vertebrae and lumbar vertebrae |
| CN2446961Y (en) * | 2000-09-01 | 2001-09-12 | 石文元 | Reduction fixator for fracture of pelvis |
| CN101588764A (en) * | 2006-12-26 | 2009-11-25 | 华沙整形外科股份有限公司 | Sacral reconstruction fixation device |
| CN101612054A (en) * | 2009-07-24 | 2009-12-30 | 王铁铸 | External-distraction pedicle screw-rod bracket of vertebral body |
| CN102551854A (en) * | 2012-01-17 | 2012-07-11 | 张英泽 | Three-dimensional fracture repositor |
| US20150289913A1 (en) * | 2013-11-16 | 2015-10-15 | Rahul Vaidya | Method and Apparatus for Minimally Invasive Treatment of Unstable Pelvic Ring Injuries Combined with Hip Arthroplasty |
| CN105455886A (en) * | 2015-12-31 | 2016-04-06 | 张英泽 | Fracture traction fixator capable of carrying out fracture traction fixation and rapid reduction simultaneously |
| CN205251663U (en) * | 2015-10-22 | 2016-05-25 | 上海市第一人民医院 | Excellent fixing system of ring nail before special percutaneous wicresoft of pelvis |
-
2017
- 2017-12-25 CN CN201711422969.8A patent/CN107981925B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5645544A (en) * | 1995-09-13 | 1997-07-08 | Danek Medical, Inc. | Variable angle extension rod |
| CN2386780Y (en) * | 1999-09-02 | 2000-07-12 | 中国人民解放军第三军医大学第二附属医院 | Front path restore fixer for thoracic vertebrae and lumbar vertebrae |
| CN2446961Y (en) * | 2000-09-01 | 2001-09-12 | 石文元 | Reduction fixator for fracture of pelvis |
| CN101588764A (en) * | 2006-12-26 | 2009-11-25 | 华沙整形外科股份有限公司 | Sacral reconstruction fixation device |
| CN101612054A (en) * | 2009-07-24 | 2009-12-30 | 王铁铸 | External-distraction pedicle screw-rod bracket of vertebral body |
| CN102551854A (en) * | 2012-01-17 | 2012-07-11 | 张英泽 | Three-dimensional fracture repositor |
| US20150289913A1 (en) * | 2013-11-16 | 2015-10-15 | Rahul Vaidya | Method and Apparatus for Minimally Invasive Treatment of Unstable Pelvic Ring Injuries Combined with Hip Arthroplasty |
| CN205251663U (en) * | 2015-10-22 | 2016-05-25 | 上海市第一人民医院 | Excellent fixing system of ring nail before special percutaneous wicresoft of pelvis |
| CN105455886A (en) * | 2015-12-31 | 2016-04-06 | 张英泽 | Fracture traction fixator capable of carrying out fracture traction fixation and rapid reduction simultaneously |
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| Publication number | Publication date |
|---|---|
| CN107981925B (en) | 2020-12-25 |
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