CN108720913A - A kind of pelvis front pillar marrow interior locating device - Google Patents
A kind of pelvis front pillar marrow interior locating device Download PDFInfo
- Publication number
- CN108720913A CN108720913A CN201810699169.9A CN201810699169A CN108720913A CN 108720913 A CN108720913 A CN 108720913A CN 201810699169 A CN201810699169 A CN 201810699169A CN 108720913 A CN108720913 A CN 108720913A
- Authority
- CN
- China
- Prior art keywords
- pubis
- ilium
- screw hole
- locating pin
- external thread
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 210000004197 pelvis Anatomy 0.000 title claims abstract description 19
- 210000003689 pubic bone Anatomy 0.000 claims abstract description 58
- 210000003692 ilium Anatomy 0.000 claims abstract description 43
- 238000005452 bending Methods 0.000 claims abstract description 20
- 230000000149 penetrating effect Effects 0.000 claims 1
- 206010017076 Fracture Diseases 0.000 description 7
- 210000000988 bone and bone Anatomy 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 206010034246 Pelvic fractures Diseases 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 210000003484 anatomy Anatomy 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 230000000399 orthopedic effect Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- 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
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/72—Intramedullary pins, nails or other devices
- A61B17/7233—Intramedullary pins, nails or other devices with special means of locking the nail to the bone
-
- 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
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
Abstract
The invention discloses a kind of pelvis front pillar marrow interior locating devices, include for across pubis pulp cavity pubis locating pin and penetrate the ilium intramedullary nail of ilium, it is provided with screw hole in the middle part of pubis locating pin, ilium intramedullary nail includes hollow bending section, external thread part and elastic rod, hollow bending section one end is provided with defining flange, the hollow bending section other end is rotatablely connected with external thread part, hollow bending section is matched with the shape of ilium and the pulp cavity of pubis, in elastic rod position and hollow bending section, elastic rod is fixedly connected with external thread part, screw hole and external thread part screw-thread fit.This kind of pelvis front pillar marrow interior locating device make ilium intramedullary nail and pubis locating pin it is fixed direction it is more easy to control, processing safety higher.
Description
Technical field
The invention belongs to orthopedic medical device technical field, specifically a kind of pelvis front pillar marrow interior locating device.
Background technology
Pelvic fracture is a kind of wound caused via violence extruding, this injury is then common in traffic accident or surprisingly collapses
Caused by collapsing and weighing wounded, and due to pelvis be combined by bone by a variety of kenels made of anatomical structure, institute in different directions with power
Seriousness of the external impacts of amount in addition to that can influence pelvic fracture can also be produced because fracture or dislocation occurs for the bone of different parts
The fracture of raw different kenels.When occurring laterally fracture between ilium and pubis, first by ilium and shame when existing localization method
The position of bone is restored, and then on the outside of ilium towards squeezing into pelvis front pillar guide pin from pubis, then is inserted in sky from along guide pin
Heart bone screw screws in cannulated bone screws along guide pin and fixes ilium and pubis.Existing guide pin be it is straight, due to
There are certain physiologic radian, conventional screws of keeping straight on not to meet physiologic radian for the front pillar that pubic branch is constituted；And ilium and pubis
There is skin package in outside, by guide pin direct motion from ilium get to pubis before Zhi Fangxiang be difficult to control, operate more difficult,
And safety needs to control by masterful technique.
Invention content
The present invention is in view of the shortcomings of the prior art, provide a kind of pelvis front pillar marrow interior locating device, the spinous process of the seventh cervical vertebra before this kind of pelvis
Marrow interior locating device includes the ilium intramedullary nail for entering pubis pulp cavity across the pubis locating pin of pubis pulp cavity and across ilium, ilium
Intramedullary pin nose threads tense the fracture of ilium and pubis with the threaded hole cooperation in pubis locating pin, so that ilium
Intramedullary nail and pubis locating pin it is fixed direction it is more easy to control, processing safety higher.
In order to solve the above-mentioned technical problem, the present invention is addressed by following technical proposals：A kind of pelvis front pillar marrow
Interior locating device, include for across pubis pulp cavity pubis locating pin and penetrate the ilium intramedullary nail of ilium, the pubis is fixed
Position nail middle part is provided with screw hole, and the ilium intramedullary nail includes hollow bending section, external thread part and elastic rod, the hollow bending
Portion one end is provided with defining flange, and the hollow bending section other end is rotatablely connected with the external thread part, the hollow bending
Portion is matched with the shape of ilium and the pulp cavity of pubis, and the elastic rod is located in the hollow bending section, the elastic rod and institute
It states external thread part to be fixedly connected, the screw hole and the external thread part screw-thread fit.This kind of pelvis front pillar marrow interior locating device
It is propped up before pubis locating pin is penetrated pubis first when in use, then by ilium intramedullary nail, suitable position penetrates ilium on the outside of ilium
Ossis is advanced to along pulp cavity at the screw hole of pubis locating pin, makes external thread part screws in screw hole will by rotating elastic rod
Fracture tense, using the structure make ilium intramedullary nail and pubis locating pin it is fixed direction it is more easy to control, processing safety is more
It is high.
In above-mentioned technical proposal, it is preferred that pubis locating pin one end is provided with Hexagon hole equipped with external screw thread another end,
The channel for being provided in the pubis locating pin by the screw hole and being pierced by from Hexagon hole is fixed with instruction in the channel
Line, the index line are pierced by across the screw hole from the Hexagon hole along the channel.Index line is stretched at the time of surgery,
Then external thread part is screwed in into screw hole, can judge whether screw hole is aligned with external thread part by seeing whether index line shrinks.
In above-mentioned technical proposal, it is preferred that the screw hole side is provided with taper flaring, and the channel is set to the cone
At shape flaring.Using the structure external thread part at taper flaring is directly placed into, is more prone to be directed at and judge spiral shell
Whether hole is aligned with external thread part.
In above-mentioned technical proposal, it is preferred that the pubis locating pin be located at the Hexagon hole end be provided with it is described
Screw hole instruction line of weakness in the same direction.Make it possible to view the direction of screw hole on the outside of pubis locating pin using the structure, side
Just screw hole is aligned with external thread part.
In above-mentioned technical proposal, it is preferred that the pubis locating pin, which is located at the Hexagon hole end, is provided with flaring position
Set index line.The direction for making it possible to view flaring on the outside of pubis locating pin using the structure, facilitates screw hole and outer spiral shell
Line portion is aligned.
Compared with prior art, the present invention having the advantages that：This kind of pelvis front pillar marrow interior locating device makes
Used time props up before pubis locating pin is penetrated pubis first, and then by ilium intramedullary nail, suitable position penetrates ilium marrow on the outside of ilium
Chamber is advanced to along pulp cavity at the screw hole of pubis locating pin, makes external thread part screw in screw hole and will fracture by rotating elastic rod
Place tense, using the structure make ilium intramedullary nail and pubis locating pin it is fixed direction it is more easy to control, processing safety higher.
Description of the drawings
Fig. 1 is the schematic cross-sectional view after the installation of the embodiment of the present invention.
Fig. 2 is the schematic cross-sectional view of pubis locating pin in the embodiment of the present invention.
Fig. 3 is the schematic diagram in pubis locating pin at Hexagon hole in the embodiment of the present invention.
Specific implementation mode
Present invention is further described in detail with specific implementation mode below in conjunction with the accompanying drawings：It is a kind of referring to Fig. 1 to Fig. 3
Pelvis front pillar marrow interior locating device, include for across pubis pulp cavity pubis locating pin 1 and penetrate ilium ilium marrow in
Nail 2,1 middle part of the pubis locating pin are provided with screw hole 11, and the ilium intramedullary nail 2 includes hollow bending section 21, external thread part
22 and elastic rod 23, described 21 one end of hollow bending section be provided with defining flange 24,21 other end of hollow bending section and institute
The rotation connection of external thread part 22 is stated, the hollow bending section 21 is matched with the shape of ilium and the pulp cavity of pubis, the elastic rod
23 are located in the hollow bending section 21, and the elastic rod 23 is fixedly connected with the external thread part 22, the screw hole 11 and institute
State 22 screw-thread fit of external thread part.Pubis locating pin is penetrated shame by this kind of pelvis front pillar marrow interior locating device first when in use
Propped up before bone, then by ilium intramedullary nail, suitable position penetrates ilium pulp cavity on the outside of ilium, under normal circumstances ilium intramedullary nail from
The oblique pubis direction in position of highest point 2cm or so down penetrates in ilium on the outside of ilium, makes since quality is not hard in pulp cavity
Obtaining ilium intramedullary nail can be advanced at the screw hole of pubis locating pin along pulp cavity, by rotating elastic rod external thread part be revolved
Enter screw hole to tense fracture, using the structure make ilium intramedullary nail and pubis locating pin it is fixed direction it is more easy to control, operation
Safety higher.
Described 1 one end of pubis locating pin is provided with Hexagon hole 13 equipped with 12 another end of external screw thread, in the pubis locating pin 1
It is provided with by the screw hole 11 and is fixed with index line out of the channel that the Hexagon hole 13 is pierced by 14, the channel 14
15, the index line 15 is pierced by across the screw hole 11 from the Hexagon hole 13 along the channel 14.It stretches at the time of surgery,
Then index line screws in external thread part into screw hole, can judge that screw hole is with external thread part by seeing whether index line shrinks
No alignment.
11 side of the screw hole is provided with taper flaring 16, and the channel 14 is set at the taper flaring 16.Using
The structure enables the external thread part at taper flaring to be directly placed into, and is more prone to be aligned and judges that screw hole is with external thread part
No alignment.
The pubis locating pin 1, which is located at 13 end of the Hexagon hole, is provided with the instruction indentation in the same direction with the screw hole 11
Line 17.The direction for making it possible to view screw hole on the outside of pubis locating pin using the structure, facilitates screw hole and external thread part
Alignment.
The pubis locating pin 1, which is located at 13 end of the Hexagon hole, is provided with flaring position instruction line 18.Using the knot
Structure makes it possible to view the direction of flaring on the outside of pubis locating pin, and screw hole is facilitated to be aligned with external thread part.
Claims (5)
1. a kind of pelvis front pillar marrow interior locating device, it is characterised in that：Include for the pubis locating pin across pubis pulp cavity
（1）With the ilium intramedullary nail for penetrating ilium（2）, the pubis locating pin（1）Middle part is provided with screw hole（11）, in the ilium marrow
Nail（2）Including hollow bending section（21）, external thread part（22）And elastic rod（23）, the hollow bending section（21）One end is provided with
Defining flange（24）, the hollow bending section（21）The other end and the external thread part（22）Rotation connection, the hollow bending
Portion（21）It is matched with the shape of ilium and the pulp cavity of pubis, the elastic rod（23）Positioned at the hollow bending section（21）It is interior, institute
State elastic rod（23）With the external thread part（22）It is fixedly connected, the screw hole（11）With the external thread part（22）Screw thread is matched
It closes.
2. a kind of pelvis front pillar marrow interior locating device as described in claim 1, it is characterised in that：The pubis locating pin
（1）One end is equipped with external screw thread（12）Another end is provided with Hexagon hole（13）, the pubis locating pin（1）On be provided with by described
Screw hole（11）And from the Hexagon hole（13）The channel being pierced by（14）, the channel（14）Inside it is fixed with index line（15）, institute
State index line（15）Along the channel（14）Across the screw hole（11）From the Hexagon hole（13）It is pierced by.
3. a kind of pelvis front pillar marrow interior locating device as claimed in claim 2, it is characterised in that：The screw hole（11）Side
It is provided with taper flaring（16）, the channel（14）It is set to the taper flaring（16）Place.
4. a kind of pelvis front pillar marrow interior locating device as claimed in claim 3, it is characterised in that：The pubis locating pin
（1）Positioned at the Hexagon hole（13）It is provided at end and the screw hole（11）Instruction line of weakness in the same direction（17）.
5. a kind of pelvis front pillar marrow interior locating device as claimed in claim 4, it is characterised in that：The pubis locating pin
（1）Positioned at the Hexagon hole（13）Flaring position instruction line is provided at end（18）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810699169.9A CN108720913A (en) | 2018-06-29 | 2018-06-29 | A kind of pelvis front pillar marrow interior locating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810699169.9A CN108720913A (en) | 2018-06-29 | 2018-06-29 | A kind of pelvis front pillar marrow interior locating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108720913A true CN108720913A (en) | 2018-11-02 |
Family
ID=63925459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810699169.9A Pending CN108720913A (en) | 2018-06-29 | 2018-06-29 | A kind of pelvis front pillar marrow interior locating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108720913A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110428489A (en) * | 2019-07-26 | 2019-11-08 | 北京罗森博特科技有限公司 | Curved channel method and device for planning |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5443466A (en) * | 1991-12-13 | 1995-08-22 | Shah; Mrugesh K. | Method and apparatus for treating fractures of a bone |
| CN2283464Y (en) * | 1996-09-04 | 1998-06-10 | 吴未一 | Locator for distal lock hole of intramedullary nail with lock |
| DE102007023891A1 (en) * | 2007-05-23 | 2008-12-04 | Eichhorn, Stefan, Dipl.-Ing. | Locking intramedullary nail for insertion in a medullary cavity in long/hollow bones treats bone fractures or stiffening in the joints |
| CN202235658U (en) * | 2011-09-17 | 2012-05-30 | 王京生 | Elastic intramedullary nail of clavicle |
| CN104546103A (en) * | 2015-01-20 | 2015-04-29 | 深圳市博立生物材料有限公司 | Absorbable intraosseous fixing device with biological activity and plasticity and forming method |
| CN104887301A (en) * | 2015-06-26 | 2015-09-09 | 陈伟 | Pelvic fracture microinvasive intramedullary fixation device |
| US20150257800A1 (en) * | 2014-03-06 | 2015-09-17 | University Of British Columbia | Shape adaptable intramedullary fixation device |
| CN106725792A (en) * | 2017-01-10 | 2017-05-31 | 河北医科大学第三医院 | A kind of flexible intramedullary nail with pressurization anti-rotation function |
| CN206381232U (en) * | 2016-08-31 | 2017-08-08 | 马献忠 | Acetabular anterior column fracture anatomy type locking bone fracture plate |
| CN208876717U (en) * | 2018-06-29 | 2019-05-21 | 宁波市第六医院 | A kind of pelvis front pillar marrow interior locating device |
-
2018
- 2018-06-29 CN CN201810699169.9A patent/CN108720913A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5443466A (en) * | 1991-12-13 | 1995-08-22 | Shah; Mrugesh K. | Method and apparatus for treating fractures of a bone |
| CN2283464Y (en) * | 1996-09-04 | 1998-06-10 | 吴未一 | Locator for distal lock hole of intramedullary nail with lock |
| DE102007023891A1 (en) * | 2007-05-23 | 2008-12-04 | Eichhorn, Stefan, Dipl.-Ing. | Locking intramedullary nail for insertion in a medullary cavity in long/hollow bones treats bone fractures or stiffening in the joints |
| CN202235658U (en) * | 2011-09-17 | 2012-05-30 | 王京生 | Elastic intramedullary nail of clavicle |
| US20150257800A1 (en) * | 2014-03-06 | 2015-09-17 | University Of British Columbia | Shape adaptable intramedullary fixation device |
| CN104546103A (en) * | 2015-01-20 | 2015-04-29 | 深圳市博立生物材料有限公司 | Absorbable intraosseous fixing device with biological activity and plasticity and forming method |
| CN104887301A (en) * | 2015-06-26 | 2015-09-09 | 陈伟 | Pelvic fracture microinvasive intramedullary fixation device |
| CN206381232U (en) * | 2016-08-31 | 2017-08-08 | 马献忠 | Acetabular anterior column fracture anatomy type locking bone fracture plate |
| CN106725792A (en) * | 2017-01-10 | 2017-05-31 | 河北医科大学第三医院 | A kind of flexible intramedullary nail with pressurization anti-rotation function |
| CN208876717U (en) * | 2018-06-29 | 2019-05-21 | 宁波市第六医院 | A kind of pelvis front pillar marrow interior locating device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110428489A (en) * | 2019-07-26 | 2019-11-08 | 北京罗森博特科技有限公司 | Curved channel method and device for planning |
| CN110428489B (en) * | 2019-07-26 | 2020-06-19 | 北京罗森博特科技有限公司 | Arc-shaped channel planning method and device |
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