CN208525018U - Implanted device is fixed in a kind of fracture of neck of femur - Google Patents
Implanted device is fixed in a kind of fracture of neck of femur Download PDFInfo
- Publication number
- CN208525018U CN208525018U CN201721803277.3U CN201721803277U CN208525018U CN 208525018 U CN208525018 U CN 208525018U CN 201721803277 U CN201721803277 U CN 201721803277U CN 208525018 U CN208525018 U CN 208525018U
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- China
- Prior art keywords
- lockplate
- nail
- fracture
- away
- hole
- 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.)
- Expired - Fee Related
Links
- 208000020089 femoral neck fracture Diseases 0.000 title claims abstract description 22
- 239000003292 glue Substances 0.000 claims abstract description 15
- 210000000689 upper leg Anatomy 0.000 claims description 12
- 210000000527 greater trochanter Anatomy 0.000 claims description 5
- 238000010079 rubber tapping Methods 0.000 claims description 3
- 206010017076 Fracture Diseases 0.000 abstract description 8
- 208000010392 Bone Fractures Diseases 0.000 abstract description 7
- 210000000988 bone and bone Anatomy 0.000 abstract description 3
- 210000002436 femur neck Anatomy 0.000 abstract description 3
- 230000002980 postoperative effect Effects 0.000 abstract description 3
- 230000006378 damage Effects 0.000 abstract description 2
- 238000010008 shearing Methods 0.000 abstract description 2
- 208000027418 Wounds and injury Diseases 0.000 abstract 1
- 230000007547 defect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 abstract 1
- 208000014674 injury Diseases 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000002513 implantation Methods 0.000 description 4
- 208000001132 Osteoporosis Diseases 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 210000001694 thigh bone Anatomy 0.000 description 2
- 241000587161 Gomphocarpus Species 0.000 description 1
- 206010020100 Hip fracture Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000001054 cortical effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000000399 orthopedic effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Surgical Instruments (AREA)
- Prostheses (AREA)
Abstract
Implanted device is fixed in a kind of fracture of neck of femur, aim to solve the problem that existing in the prior art postoperative interior fixed loosen or fracture often occur, fracture redisplacement, the defects of bone nonunion, it proposes in a kind of fracture of neck of femur and fixes implanted device, including lockplate, main locking nail, it is followed closely away from portion's support locking, fixing glue, it is tiltedly installed with main lock hole on lockplate and several fix nail hole, main locking nail front end is provided with the side opening of ramp-like configuration, side opening is equipped with internal screw thread, aperture is adapted with away from portion's support locking nail front end, the rear end of main locking nail and fixing glue is respectively in main lock hole, it is threadedly coupled at fixed nail hole with lockplate, it is threadedly coupled away from portion's support locking nail front end with side opening.It has the technical effect that provide in femoral neck in stable triangle multidimensional and fix, effectively away from portion's inner support, to resist rotary force suffered by femoral neck and shearing force enough, keep fracture fixation more firm and anti-rotation, anti-back nail, while the injury to patient can be significantly reduced under Micro-operation.
Description
Technical field
The utility model relates to orthopedic medical device field, specially a kind of fixed implanted device of fracture of neck of femur.
Background technique
Fracture of neck of femur is most commonly that in Hip Fracture, especially middle-older patient disease incidence is higher, this fracture
Non-stability of fractures is tended to belong to after generation, and there are the great number of issues such as big, the destruction femoral head blood fortune of local lever strength, is both needed to
Want good reset and strong internal fixation operation treatment.At present both at home and abroad treatment fracture of neck of femur method and mode compared with
More, the outer methods of internal fixation of traditional marrow includes DHS, DCS, hollow nail, LCP, and methods of internal fixation includes intramedullary nail PFNA- II in marrow,
But for the middle-older patient for fracture of neck of femur occurs, because its mostly with osteoporosis and near end of thighbone cortical bone it is weak,
Therefore it is concurrent clinically postoperative interior fixed loosening or fracture, fracture redisplacement, bone nonunion etc. often occur using above-mentioned methods of internal fixation
Disease is unfavorable for Rehabilitation.
Utility model content
Based on drawbacks described above, technical problem to be solved by the utility model is: providing for treatment of femoral neck fracture more
Add securely, is not easy to loosen and move back nail, fixes implanted device in anti-rotational improvement.
Its technical solution is: fix implanted device in a kind of fracture of neck of femur, including lockplate, main locking nail, away from portion's branch
Locking nail, fixing glue are supportted, main lock hole is tiltedly installed on the lockplate and several fix nail hole, before the main locking nail
End is provided with the side opening of ramp-like configuration, which is equipped with internal screw thread, aperture is adapted with away from portion's support locking nail front end, described
The rear end of main locking nail and fixing glue is threadedly coupled at the main lock hole, fixed nail hole with the lockplate respectively, described
It is threadedly coupled away from portion's support locking nail front end with the side opening.
Compared with prior art, beneficial effect is: the main locking nail head of the utility model has tapped diagonal
Side opening is followed closely away from portion's support locking and is threadedly coupled with side opening, provides a kind of pair of nail cross lock, away from portion in femoral neck fracture
The multidimensional of support meets the mechanical characteristic of near end of thighbone to methods of internal fixation, takes into account locking and pressurizing, away from portion's support, anti-rotation
The advantages that, rotary force and shearing force suffered by highly effective resistance femur, and be less prone to loosening and move back nail.This utility model is special
Not in the fracture patient of osteoporosis, fixed in fragile femoral neck offer locking and pressurizing, the multidimensional away from portion's support, it is postoperative
It can obviously reduce the bed rest time of patient, the more conducively recovery of patient.
It can accurately be hammered into the side opening on main locking nail when preferably, for convenient for away from the nail implantation of portion's support locking, institute
The entrance for stating side opening is the inclined-plane being inclined outwardly, it is ensured that has the design of mutually pressurization fine motion when implantation.
Preferably, to further enhance torsional rotation force, the main locking nail surface is provided with along main locking nail axial direction
Indent card slot.
The utility model is described further in the following with reference to the drawings and specific embodiments.
Detailed description of the invention
Attached drawing 1 is the structural schematic diagram of the utility model embodiment 1；
Attached drawing 2 is the structural schematic diagram of the utility model embodiment 2；
Attached drawing 3 is the structural schematic diagram of the utility model embodiment 3；
Attached drawing 4 is the structural schematic diagram of main locking nail；
Attached drawing 5 is the cross-sectional view of main locking nail；
Attached drawing 6 is the structural schematic diagram of lockplate in embodiment 2；
Attached drawing 7 is the structural schematic diagram of lockplate in embodiment 3.
In attached drawing, 1 femur, 1-1 neck of femur, 1-2 bigelow's septum, 2 main locking nails, 2-1 side opening, 2-2 card slot, 2-3 hold nail and cut
Mark, 3 are held away from portion's support locking nail, 4 fixing glues, 5 lockplates, 8 main lock holes, 9 fixed nail hole, 10 away from portion support locking hole, 11
Plate incisura.
Specific embodiment
Embodiment 1
Referring to attached drawing 1,4,5, fix implanted device in a kind of fracture of neck of femur, including lockplate 5, main locking nail 2, away from portion
Support locking follows closely 3, fixing glue 4.The lockplate 5 is used in femur marrow, is tiltedly installed with main lock hole 8, fixed nail hole thereon
9, away from portion support locking hole 10, there are 3 indent card slot 2-2,3 cards in main 2 surface of locking nail along main 2 axial direction of locking nail
Slot is uniformly distributed in main 2 outer surface of locking nail, and the side opening 2- that 3 ramp-like configurations run through main locking nail 2 is provided in card slot 2-2
1, the entrance of side opening 2-1 is in the card slot 2-2 of main 2 front end of locking nail.Side opening 2-1 is equipped with internal screw thread, aperture and away from portion's branch
It supports 3 front end of locking nail to be adapted, the entrance (one end i.e. away from 3 insertion of portion's support locking nail) of side opening 2-1 is half be inclined outwardly
Rectangle inclined-plane 2-1-1, being inclined outwardly as to the direction for deviateing the central axes side opening 2-1, the main locking nail 2, away from portion's branch here
The rear end of locking nail 3 and fixing glue 4 is supportted respectively in the main lock hole 8, away from portion support locking hole 10, fixed nail hole 9 and institute
The threaded connection of lockplate 5 is stated, it is described to be threadedly coupled away from 3 front ends of portion's support locking nail with the side opening 2-1.Main 2 head of locking nail
It with self tapping deep thread, is implanted into convenient for the self tapping of main locking nail 2, main 2 tail portion of locking nail, which has, holds nail with what aiming arm matched
Incisura 2-3.
Specifically, in the minimally invasive opening in greater trochanter position of patient femur 1, to be implanted into lockplate 5.Main locking nail 2, away from portion's branch
Support locking nail 3, fixing glue 4 in implantation on lockplate 5 main lock hole 8, away from portion support locking hole 10, fixed nail hole 9
It sets corresponding.Wherein main locking nail 2 passes through the main lock hole 8 on lockplate 5, is implanted into along neck of femur 1-1 extending direction.Away from portion's branch
Locking nail 3 is supportted below main locking nail 2, front end passes through side opening 2-1 and is threadedly coupled with main locking nail 2, away from portion's support locking nail 3
At bigelow's septum 1-2, main locking nail 2, lockplate 5 collectively form stable three-legged structure away from portion's support locking nail 3, fixed
Nail 4 is followed closely using standard lock, and fixing glue 4 passes through 9 fixations of fixation nail hole in lockplate 5.
Embodiment 2
Referring to attached drawing 2,4,5,6, compared with Example 1, difference in this case is that using lockplate 5 outside marrow,
Outside femur, inner surface matches with 1 greater trochanter lower shape of femur, and the main lock hole 8 fixes nail hole 9, away from portion
Support locking hole 10, with different angle eccentric setting, avoids following closely 3 and fixing glue away from portion's support locking along long 5 length direction of lockplate
It is interfered with each other when 4 implantation.There are the various designs convenient for operation in the utility model, has auxiliary interim fixing hole on lockplate 5, just
It is fixed temporarily in lockplate 5,5 head of lockplate, which is equipped with 3 and coincide with aiming arm, is convenient for aiming arm position is fixed to hold
Plate incisura 11 accurately matches fixation with aiming at arm and hold plate pawl, convenient for holding row Micro-operation.
Embodiment 3
Referring to attached drawing 3,4,5, the present embodiment is similar to Example 2, difference in this present embodiment, lockplate 5 be used in
Lockplate outside marrow, thereon not away from portion support locking hole 10, short 6 inner surface of lockplate and 1 greater trochanter lower shape of femur
Match, the fixed nail hole 9 is set as two holes in the same horizontal line, and the main lock hole 8 is in two fixed nail hole 9
Side, the short lockplate 6 are respectively threadedly coupled with 4 rear end of fixing glue at two fixed nail hole 9.Use two
The position of the fixed short lockplate of fixing glue 4, and the side opening 2-1 screw thread of front end and main locking nail 2 away from portion's support locking nail 3 is solid
Fixed, its rear end is directly connect with shaft of femur lateral cortex, can be no longer pass through lockplate.
Claims (10)
1. fixing implanted device in a kind of fracture of neck of femur, it is characterised in that: including lockplate (5), main locking nail (2), away from portion
Support locking follows closely (3), fixing glue (4), and main lock hole (8) is tiltedly installed on the lockplate (5) and several fix nail hole
(9), main locking nail (2) front end is provided with the side opening (2-1) of ramp-like configuration, which is equipped with internal screw thread, aperture
It is adapted with away from portion's support locking nail (3) front end, the rear end of the main locking nail (2) and fixing glue (4) is respectively in the main lock
Determine hole (8), be threadedly coupled with the lockplate (5) at fixed nail hole (9), it is described away from portion's support locking follow closely (3) front end with it is described
Side opening (2-1) is threadedly coupled.
2. fixing implanted device in a kind of fracture of neck of femur according to claim 1, it is characterised in that: the side opening (2-
1) entrance is half rectangle inclined-plane (2-1-1) being inclined outwardly.
3. fixing implanted device in a kind of fracture of neck of femur according to claim 1, it is characterised in that: the main locking nail
(2) surface is provided with indent card slot (2-2) along main locking nail (2) axial direction.
4. fixing implanted device in a kind of fracture of neck of femur according to claim 3, it is characterised in that: the card slot (2-
2) dividing equally in main locking nail (2) outer surface has 3.
5. fixing implanted device in a kind of fracture of neck of femur according to claim 3, it is characterised in that: the side opening (2-
1) entrance setting is in the card slot (2-2) of main locking nail (2) front end.
6. fixing implanted device in a kind of fracture of neck of femur according to claim 1, it is characterised in that: the main locking nail
(2) head has self tapping deep thread, and tail portion has facilitate aiming arm to use to hold nail incisura (2-3).
7. according to claim 1 to fixing implanted device, feature in a kind of fracture of neck of femur described in any claim in 6
Be: the lockplate (5) is the interior lockplate of marrow, is also had on the lockplate (5) away from portion support locking hole (10), described
It is threadedly coupled at away from portion support locking hole (10) with the lockplate (5) away from portion's support locking nail (3) rear end.
8. fixing implanted device in a kind of fracture of neck of femur according to claim 1, it is characterised in that: the lockplate
(5) it is marrow foreign minister lockplate, also has on the lockplate (5) away from portion support locking hole (10), the lockplate (5) inside table
Face matches with femur (1) greater trochanter lower shape, and the main lock hole (8), supports away from portion and locks several fixations nail hole (9)
Determine hole (10) and is distributed setting along lockplate (5) length direction, it is described to follow closely (3) rear end away from portion support locking hole away from portion's support locking
(10) it is threadedly coupled at the long lockplate (5).
9. fixing implanted device in a kind of fracture of neck of femur according to claim 1, it is characterised in that: the lockplate
It (5) is short lockplate outside marrow, lockplate (5) inner surface matches with femur (1) greater trochanter lower shape, the fixation
Nail hole (9) is set as two holes in the same horizontal line, and the main lock hole (8) is above two fixed nail hole (9), the locking
Plate (5) is respectively threadedly coupled with fixing glue (4) rear end at two fixed nail hole (9).
10. fixing implanted device in a kind of fracture of neck of femur according to claim 8 or claim 9, it is characterised in that: the locking
Plate (5) head, which coincide equipped with 3 with aiming arm, holds plate incisura (11) convenient for what aiming arm position was fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721803277.3U CN208525018U (en) | 2017-12-21 | 2017-12-21 | Implanted device is fixed in a kind of fracture of neck of femur |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721803277.3U CN208525018U (en) | 2017-12-21 | 2017-12-21 | Implanted device is fixed in a kind of fracture of neck of femur |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208525018U true CN208525018U (en) | 2019-02-22 |
Family
ID=65399023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721803277.3U Expired - Fee Related CN208525018U (en) | 2017-12-21 | 2017-12-21 | Implanted device is fixed in a kind of fracture of neck of femur |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208525018U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113397766A (en) * | 2021-06-17 | 2021-09-17 | 嘉思特华剑医疗器材(天津)有限公司 | Bionic surface hip joint prosthesis with high long-term stability |
-
2017
- 2017-12-21 CN CN201721803277.3U patent/CN208525018U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113397766A (en) * | 2021-06-17 | 2021-09-17 | 嘉思特华剑医疗器材(天津)有限公司 | Bionic surface hip joint prosthesis with high long-term stability |
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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: 20190222 |