CN102512234B - Clinical vertically and horizontally-locking intramedullary multi-dimensional stereotaxic device - Google Patents
Clinical vertically and horizontally-locking intramedullary multi-dimensional stereotaxic device Download PDFInfo
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- CN102512234B CN102512234B CN 201110452490 CN201110452490A CN102512234B CN 102512234 B CN102512234 B CN 102512234B CN 201110452490 CN201110452490 CN 201110452490 CN 201110452490 A CN201110452490 A CN 201110452490A CN 102512234 B CN102512234 B CN 102512234B
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- Prior art keywords
- pinning
- tail end
- marrow
- intramedullary
- stringer
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- 210000000988 bone and bone Anatomy 0.000 claims abstract description 43
- 230000001054 cortical effect Effects 0.000 claims abstract description 23
- 210000000689 upper leg Anatomy 0.000 claims description 22
- 208000010392 Bone Fractures Diseases 0.000 abstract description 14
- 210000002436 femur neck Anatomy 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 208000027418 Wounds and injury Diseases 0.000 abstract description 3
- 238000011084 recovery Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000004904 shortening Methods 0.000 abstract 1
- 206010017076 Fracture Diseases 0.000 description 7
- 230000036244 malformation Effects 0.000 description 5
- 206010020100 Hip fracture Diseases 0.000 description 4
- 238000005452 bending Methods 0.000 description 1
- 230000037186 bone physiology Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000020089 femoral neck fracture Diseases 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 108010048734 sclerotin Proteins 0.000 description 1
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Abstract
The invention relates to a clinical vertically and horizontally-locking intramedullary multi-dimensional stereotaxic device, in particular to an internal fixing appliance used for treating long tube bone fracture or correcting deformity. The clinical vertically and horizontally-locking intramedullary multi-dimensional stereotaxic device is provided with an intramedullary fixing device, and the two sides in the intramedullary fixing device are respectively provided with a longitudinal sliding groove which is internally provided with a longitudinal locking nail with certain elasticity; the two ends of the intramedullary fixing device are respectively a head end and a tail end; the head end of the intramedullary fixing device is provided with a concave groove, a support locking nail and a longitudinal locking nail; the concave groove is internally provided with a support locking nail; the tail end of the intramedullary fixing device is provided with a cover screw, a tail end hoop, a tail end screw rod, a U-shaped groove and a six-arris groove; a cortical bone locking nail, a cancellous bone locking nail and four femoral neck locking nails respectively pass through the interiors of locking nail holes; the tail end of the intramedullary fixing device is sheathed with the tail end hoop; and the cover screw is connected with the tail end screw rod by screw thread. The clinical vertically and horizontally-locking intramedullary multi-dimensional stereotaxic device has the effects of being simple in structure, convenient and flexible in operation, being installed in a closely resetting way, shortening the operation time, reducing the wound area of operation, being beneficial to the recovery of a patient, and relieving the pain of the patient, thus being widely applied to the appliance used for treating long tube bone fracture or correcting deformity.
Description
Technical field
The present invention relates to a kind of clinical usefulness and lock in length and breadth multi-C stereo fixture in the marrow, especially for the internal fixation device equipment for the treatment of long tubular bone fracture or malformation correction treatment.
Background technology
At present, intramedullary nail with lock does not arrange vertical lock and can not fix by multi-C stereo in the prior art, the spongy bone pinning is not set yet, need be long with operating time, the fixing difficulty of first inserting end pinning, wound area is large, need after the operation to take out an end pinning with secondary, otherwise height occurs in the disunion rate, causes the phenomenon of broken nail, increase the patient suffering, brought many inconvenience to operator; The pre-bending position of intramedullary pin is constant in addition, with bone physiology camber larger difference is arranged, the fixing of inapplicable and intercondylar fracture of the femur and fracture of femoral neck and intertrochanteric fracture of the femur.
Summary of the invention
The clinical usefulness of the present invention is locked the purpose of multi-C stereo fixture in the marrow in length and breadth, to overcome defects and a kind of clinical usefulness that designs is locked multi-C stereo fixture in the marrow in length and breadth, it is the stringer chute that adopts the cross locking nail and willfully press spongy bone pinning or neck of femur pinning and marrow inner fixer, vertical pinning slides in the stringer chute and has certain elasticity, cross locking is followed closely and is willfully pressed spongy bone pinning or neck of femur pinning to form multi-C stereo in medullary cavity and fixedly secures, after enter end and fixedly be easy to squeeze into the cross locking nail with sight, that realizes the treatment for the treatment of long tubular bone fracture or malformation correction locks the purpose that multi-C stereo is fixed in the marrow in length and breadth.
The clinical usefulness of the present invention is locked in length and breadth the interior multi-C stereo fixture of marrow and is taked following technical scheme to realize, it is by sight, the spongy bone pinning, the cortical bone pinning, the marrow inner fixer, vertical pinning, neck of femur pinning and support nail consist of, the place, both sides arranges the stringer chute in the marrow inner fixer, the vertical pinning of device in the stringer chute, vertical pinning has certain elasticity, the two ends of marrow inner fixer are respectively head end and tail end, Baltimore groove is set on the head end and supports pinning and vertical pinning, device support lock nail in the Baltimore groove, the lid silk is set on the tail end, the tail end hoop, the tail end leading screw, locking nail hole, U-lag and six rib grooves, penetrate respectively the cortical bone pinning in the locking nail hole, spongy bone pinning and four neck of femur pinnings, be nested with the tail end hoop on the tail end of marrow inner fixer, the lid silk is connected with tail end leading screw screw thread, on the tail end of stringer chute U-lag is set, device sight in the U-lag; With the head end of fixedly clamoring in the marrow after the end pulp cavity of fracturing enters other end pulp cavity, squeezed into from the tail end head-end along the stringer chute of marrow inner fixer by vertical pinning and to be fixed on the cortical bone, the stringer chute mouth of head end tilts can guarantee vertical pinning to both sides, the head end sensing cortical bone of vertical pinning is fixed when going out along the head end outlet of stringer chute; Again with spongy bone pinning or cortical bone pinning through a side seam spongiosa or cortical bone is passed the offside spongy bone or cortical bone is fixed, intertrochanteric fracture of the femur or fracture of femoral neck person lock on the marrow inner fixer setting of neck of femur locking nail hole not in one plane in length and breadth, can three-dimensional locking in neck of femur with the neck of femur pinning; The support pinning of head end will support pinning through sight and walk crosswise and squeeze into the medullary cavity center and can block in the Baltimore groove of head end, to cover silk after being wiped out by the outstanding tail end hoop redundance of vertical pinning and be screwed in the tail end leading screw, what reach the treatment for the treatment of long tubular bone fracture or malformation correction locks the effect that multi-C stereo is fixed in the marrow in length and breadth.
The effect that the clinical usefulness of the present invention is locked multi-C stereo fixture in the marrow in length and breadth is simple in structure, flexible to operation, but closed reduction is installed, shortened operating time, reduce the operation wound area, need not take out an end pinning as second operation, be conducive to patients ' recovery, it is painful to have alleviated patient, is widely used in the training equipment of long tubular bone fracture or malformation correction.
Description of drawings
The clinical usefulness of the present invention is locked in length and breadth the interior multi-C stereo fixture of marrow and be will be described in further detail with reference to Figs..
Fig. 1 is the structural representation that the clinical usefulness of the present invention is locked multi-C stereo fixture in the marrow in length and breadth.
1-lid silk, 2-tail end hoop, 3-tail end leading screw, 4-spongy bone pinning, 5-tail end, 6-cortical bone pinning, 7-locking nail hole, 8-marrow inner fixer, 9-head end, 10-vertical pinning 11-Baltimore groove 12-stringer chute 13-U-lag 14-six rib grooves 15-neck of femur pinning 16-support pinning.
The specific embodiment
With reference to Fig. 1, the clinical usefulness of the present invention is locked multi-C stereo fixture in the marrow in length and breadth, it is by sight, spongy bone pinning 4, cortical bone pinning 6, marrow inner fixer 8, vertical pinning 10, neck of femur pinning 15 and support pinning 16 consist of, place, marrow inner fixer 8 interior both sides arranges stringer chute 12, stringer chute 12 interior devices are indulged pinning 10, vertical pinning 10 has certain elasticity, the two ends of marrow inner fixer 8 are respectively head end 9 and tail end 5, Baltimore groove 11 is set on the head end 9 and supports pinning 16 and vertical pinning 10, Baltimore groove 11 interior device support lock nails 16, lid silk l is set on the tail end 5, tail end hoop 2, tail end leading screw 3, locking nail hole 7, U-lag 13 and six rib grooves 14, the locking nail hole 7 interior cortical bone pinnings 6 that penetrate respectively, spongy bone pinning 4 and four neck of femur pinnings 15, be nested with tail end hoop 2 on the tail end 5 of marrow inner fixer 8, lid silk l is connected with tail end leading screw 3 screw threads, on the tail end 5 of stringer chute 12 U-lag 13 is set, U-lag 13 interior device sights; To fixedly clamor 8 head end 9 in the marrow after the end pulp cavity of fracturing enters other end pulp cavity, squeezed into from tail end 5 head-end 9 along the stringer chute 12 of marrow inner fixer 8 by vertical pinning 10 and to be fixed on the cortical bone, the outlet of the stringer chute 12 of head end 9 is tilted can guarantee to indulge when vertical pinning 10 is gone out along the outlet of the stringer chute 12 of head end 9 the head end 9 sensing cortical bone of pinning 10 and is fixed to both sides; Again with spongy bone pinning 4 or cortical bone pinning 6 through a side seam spongiosa or cortical bone is passed the offside spongy bone or cortical bone is fixed, intertrochanteric fracture of the femur or fracture of femoral neck person lock in length and breadth on the marrow inner fixer 8 neck of femur locking nail hole 7 and arrange not in one plane, can three-dimensional locking in neck of femur with neck of femur pinning 15; The support pinning 16 of head end 9 will support pinning 16 through sight and walk crosswise and squeeze into the medullary cavity center and can block in the Baltimore groove 11 of head end 9, to cover a silk l after being wiped out by vertical pinning 10 outstanding tail end hoop 2 redundances and be screwed in the tail end leading screw 3, what reach the treatment for the treatment of long tubular bone fracture or malformation correction locks the effect that multi-C stereo is fixed in the marrow in length and breadth.
The clinical usefulness of the present invention is locked the enforcement of multi-C stereo fixture in the marrow in length and breadth, it is to be entered again after fracture site enters other end pulp cavity through the end pulp cavity of fracturing by head end 9, by vertical pinning 10 along stringer chute 12 from tail end 5 dozens of head-end 9 and expose head end 9 and be fixed on the cortical bone, vertical pinning 10 has part to expose to outside the stringer chute 12 on the way, and fix with medullary cavity medial wall on the way, be fixed on the opposite side cortical bone through locking nail hole 7 through a side seam cortex by spongy bone pinning 4 or the cortical bone pinning 6 of sight with tail end 5 again; Intertrochanteric fracture of the femur or fracture of femoral neck can three-dimensionally lock in neck of femur with neck of femur pinning 15; The fracture pulverizing arranges the support pinning 16 of head end 9 when serious; Put tail end hoop 2 after wiping out tail end 5 unnecessary vertical pinnings 10, will cover silk l and be screwed in the tail end leading screw 3, prevent that vertical pinning 10 from withdrawing from along stringer chute 12; Lock in length and breadth marrow inner fixer 8 and be by vertical pinning 10 evagination parts, sclerotin is fixed in marrow inner fixer 8 exposed parts of and head end 9 fixing with the medullary cavity inwall along stringer chute 12 and the pulp cavity; Reach after spongy bone pinning 4 or cortical bone pinning 6 are fixing by sight and lock in length and breadth in the pulp cavity multi-C stereo and fix, can prevent that rotation from can prevent from again shrinking back, vertical pinning 10 is provided with certain spring function and is provided with again certain flexible fastening function, marrow inner fixer 8 cambers are formulated with the normal camber of bone, meet the bone physiologic radian.
Claims (2)
1. a clinical usefulness is locked multi-C stereo fixture in the marrow in length and breadth, it is by sight, spongy bone pinning (4), cortical bone pinning (6), marrow inner fixer (8), vertical pinning (10), neck of femur pinning (15) and support pinning (16) consist of, it is characterized in that place, the interior both sides of marrow inner fixer (8) arranges stringer chute (12), the vertical pinning (10) of device in the stringer chute (12), vertical pinning (10) has certain elasticity, the two ends of marrow inner fixer (8) are respectively head end (9) and tail end (5), Baltimore groove (11) is set on the head end (9) and supports pinning (16) and vertical pinning (10), device support lock nail (16) in the Baltimore groove (11), lid silk (l) is set on the tail end (5), tail end hoop (2), tail end leading screw (3), locking nail hole (7), U-lag (13) and six rib grooves (14), penetrate respectively cortical bone pinning (6) in the locking nail hole (7), spongy bone pinning (4) and four neck of femur pinnings (15), be nested with tail end hoop (2) on the tail end (5) of marrow inner fixer (8), lid silk (l) is connected with tail end leading screw (3) screw thread, on the tail end (5) of stringer chute (12) U-lag (13) is set, device sight in the U-lag (13).
2. lock in length and breadth multi-C stereo fixture in the marrow according to clinical usefulness claimed in claim 1, it is characterized in that the head end (9) of marrow interior fixedly clamor (8) is after the end pulp cavity of fracturing enters other end pulp cavity, squeezed into from tail end (5) head-end (9) along the stringer chute (12) of marrow inner fixer (8) by vertical pinning (10) and to be fixed on the cortical bone, the outlet of the stringer chute (12) of head end (9) tilts can guarantee that head end (9) the sensing cortical bone of indulging pinning (10) when vertical pinning (10) is gone out along the outlet of the stringer chute (12) of head end (9) fixes to both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110452490 CN102512234B (en) | 2011-12-30 | 2011-12-30 | Clinical vertically and horizontally-locking intramedullary multi-dimensional stereotaxic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110452490 CN102512234B (en) | 2011-12-30 | 2011-12-30 | Clinical vertically and horizontally-locking intramedullary multi-dimensional stereotaxic device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102512234A CN102512234A (en) | 2012-06-27 |
| CN102512234B true CN102512234B (en) | 2013-05-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110452490 Expired - Fee Related CN102512234B (en) | 2011-12-30 | 2011-12-30 | Clinical vertically and horizontally-locking intramedullary multi-dimensional stereotaxic device |
Country Status (1)
| Country | Link |
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| CN (1) | CN102512234B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI523634B (en) * | 2013-12-02 | 2016-03-01 | 財團法人金屬工業研究發展中心 | Bone fracture fixation device |
| CN111904578A (en) * | 2020-08-28 | 2020-11-10 | 陈聚伍 | Intramedullary fixation device for radius capitulum fracture |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1287271B1 (en) * | 1996-04-05 | 1998-08-04 | Antonio Chemello | ENDOMIDOLLAR NAIL FOR THE OSTEOSYNTHESIS OF LONG BONE FRACTURES |
| ES2354878T3 (en) * | 2003-04-09 | 2011-03-18 | Synthes Gmbh | INTRAMEDULAR KEY FOR THE FIXATION OF FEMOR FRACTURES. |
| CN2652346Y (en) * | 2003-11-13 | 2004-11-03 | 李新军 | Intramedullary nail with lock and fork at first inserting end |
| CN202437322U (en) * | 2011-12-30 | 2012-09-19 | 李新军 | Clinical multi-dimensional intramedullary fixator capable of vertically and horizontally locking |
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2011
- 2011-12-30 CN CN 201110452490 patent/CN102512234B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN102512234A (en) | 2012-06-27 |
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Granted publication date: 20130501 |
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