CN103222889B - Bone grafting devic - Google Patents
Bone grafting devic Download PDFInfo
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- CN103222889B CN103222889B CN201310184819.3A CN201310184819A CN103222889B CN 103222889 B CN103222889 B CN 103222889B CN 201310184819 A CN201310184819 A CN 201310184819A CN 103222889 B CN103222889 B CN 103222889B
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- bone grafting
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Abstract
The invention provides a bone grafting device and a use method of the bone grafting device. The bone grafting device comprises a main rod and an assistant rod hinged through a hinge shaft, wherein the main rod comprises a main clamping end and a main grasping end; the assistant rod comprises an assistant clamping end and an assistant grasping end; the main clamping end and the assistant clamping end are oppositely arranged at the first side of the hinge shaft, while the main grasping end and the assistant grasping end are oppositely arranged at the second side of the hinge shaft; the main clamping end is provided with a first gap. The bone grafting device provided by the invention solves the technical problem that in the prior art, the bone grafting device for back path bone grafting operation is in short. The bone grafting device is simple in structure, and the efficiency and safety of operation are improved. With the adoption of the use method of the bone grafting device, focus can be cleaned on both sides along a same cut. In operation, a single cut is used, so that the wound is small, and focus removal, bone grafting fusion among vertebral bodies and reconstruction of vertebral column stability can be completed in one period. The body position is not changed in operation, decompression is performed first and then deformation is corrected, and complications in the correcting process are less. Complications in operation and after operation are less, the operating time is short and the amount of bleeding is less.
Description
Technical field
The present invention relates to medical instruments field, especially, relate to a kind of bone grafting instrument.
Background technology
At present, the bony defect that treatment spinal tuberculosis or tumor cause mainly adopts the operation method of focal cleaning and bone grafting.Anterior approach is convenient to bone grafting, but large to surrounding tissue organ injury probability, post-operative complication is many; Otch is large, hemorrhage many, operation and anesthesia duration long; Tuberculosis of spine needs to cut off many roots bone, ligation multi-segmental blood vessel; Hospital stays is long, and surgery cost is high, and internal fixtion takes out difficulty; Operating procedure is loaded down with trivial details, complicated operation.In order to overcome the above-mentioned defect of front road bone grafting method, the clinical bony defect gradually adopting Posterior Bone Graft method treatment spinal tuberculosis or tumor to cause, and Posterior Bone Graft method is more and more subject to extensive concern because success rate of operation is high, but lack specialty, applicable bone grafting apparatus and related methods in the market, the bone grafting apparatus and related methods that preparation is applicable to Posterior Bone Graft method improves procedure efficiency and security performance technical barrier urgently to be resolved hurrily.
Summary of the invention
The object of the invention is to provide a kind of bone grafting instrument, to solve in prior art the technical problem of the bone grafting instrument lacked for Posterior Bone Graft operation.
For achieving the above object, according to an aspect of the present invention, provide a kind of bone grafting instrument, comprise mobile jib and secondary bar, mobile jib and secondary bar are articulated and connected by jointed shaft;
Mobile jib comprises main bare terminal end and main holding end, and secondary bar comprises secondary bare terminal end and secondary holding end, and main bare terminal end and secondary bare terminal end are relatively arranged on the first side of jointed shaft, and main holding end and secondary holding end are relatively arranged on the second side of jointed shaft; Main bare terminal end is provided with the first breach, and secondary bare terminal end is provided with second breach relative with the first breach.
Further, main holding end comprises tapped blind hole, and secondary holding end comprises the tapped through hole be oppositely arranged with tapped blind hole; Bone grafting instrument also comprises screw rod, and screw rod runs through tapped through hole to tapped blind hole place by nut check.
Further, nut comprises tightening nut and loosening nut, and tightening nut is located at the outside of secondary bar, and loosening nut is arranged in the middle of mobile jib and secondary bar.
Further, by laminating clamping between main bare terminal end and secondary bare terminal end after screw rod and tightening nut coordinate, the second breach of the first breach forms cavity.
Further, the end of main holding end is provided with button, and the end of button is higher than the end of secondary holding end.
Further, the surface area of button is greater than the area of the cross section of mobile jib.
Further, button is infundibulate.
Further, mobile jib is straight-bar structure, and secondary bar is Z-type bar structure, and mobile jib and secondary bar are 3 times of the second side relative to jointed shaft relative to the first side of jointed shaft.
Another aspect of the present invention additionally provides a kind of using method of aforesaid bone grafting instrument, comprises the following steps:
(1) remove focus, between the vertebral body of sick vertebra, repair out a strip bone grafting groove;
(2) get the first breach that plant bone mass closely embeds bone grafting instrument mobile jib, make main bare terminal end and secondary bare terminal end laminating clamping, by screw rod through tapped through hole to tapped blind hole place, locked by tightening nut and obtain the bone grafting instrument with plant bone mass;
(3) bone grafting instrument with plant bone mass is placed in strip bone grafting groove, beats the button of the bone grafting instrument with plant bone mass, plant bone mass is sent in strip bone grafting groove;
(4) regulate loosening nut that the main bare terminal end of bone grafting instrument is separated with secondary bare terminal end, detach bone grafting instrument.
Further, plant bone mass is homogeneous allogenic bone or autologous bone.
The present invention has following beneficial effect:
1, bone grafting instrument provided by the invention, comprises mobile jib and secondary bar, and mobile jib and secondary bar are articulated and connected by jointed shaft, mobile jib and secondary bar can be freely movable, the clamping of bone grafting instrument and unclamping conveniently, is convenient to the operation carrying out Via Posterior Spinal Approach bone grafting operation, improves efficiency and the safety of operation;
2, elongated bone grafting instrument, is implanting or in the process of beaing, can effectively keep plant bone mass geo-stationary, reduces because plant bone mass accidental displacement is to the damage of the surrounding tissue such as spinal cord, blood vessel or internal organs, reduces the infringement to spinal cord in the process of beaing simultaneously; The cavity of first and second breach formation of bare terminal end can hold the plant bone mass of different size, and this structure increases clamping friction power, avoids the infringement to jointed shaft, the more important thing is, is convenient to stablize plant bone mass in the process of beaing;
3, screw, dynamics that loosening nut can regulate plant bone mass to clamp, prevent the accidental injury that plant bone mass is shifted, can slowly unclamp again, prevent bone grafting instrument itself to the accidental injury of spinal cord and surrounding tissue; Infundibulate button is convenient to beaing of hammer, reduces the damage that the unexpected landing of hammer causes surrounding tissues such as spinal cords;
In the use procedure of 4, bone grafting instrument, carry out bilateral cleaning focus along same incision; Operation adopts single otch, and wound is little, can complete focal cleaning, Intervertebral fusion, spinal stability reconstruction by first phase; Without the need to changing position in art, correction deformity after decompression in advance, few intercurrent disease in orthopaedic procedures; In art, post-operative complication is few, and operating time is short, and amount of bleeding is few; The cycle of being in hospital is short, and patient economy burden is light; Sick vertebra pedicle internal fixtion, can recover the normal physiological curvature of spinal column effectively; Correct kyphosis deformity; Reduce internal fixtion to loosen, rupture; Fracture or dislocation takes out safer, smooth.
Except object described above, feature and advantage, the present invention also has other object, feature and advantage.Below with reference to figure, the present invention is further detailed explanation.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of the preferred embodiment of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
With reference to Fig. 1, the preferred embodiments of the present invention, provide a kind of bone grafting instrument, comprise mobile jib 10 and secondary bar 20, mobile jib 10 and secondary bar 20 are articulated and connected by jointed shaft 30, and mobile jib 10 can be freely movable with secondary bar 20, the clamping of bone grafting instrument and unclamping conveniently, is convenient to patient's operation technique.Mobile jib 10 comprises main bare terminal end 11 and main holding end 12, secondary bar 20 comprises secondary bare terminal end 21 and secondary holding end 22, main bare terminal end 11 and secondary bare terminal end 21 are relatively arranged on the first side of jointed shaft 30, and main holding end 12 and secondary holding end 22 are relatively arranged on the second side of jointed shaft 30.In operation process, patient is by regulating main holding end 12 and the main bare terminal end of distance adjustment 11 of secondary holding end 22 and the clamping degree of secondary bare terminal end 21.Main bare terminal end 11 is provided with the first breach 111, and secondary bare terminal end 21 is provided with second breach 211 relative with the first breach 111.
Further, main holding end 12 comprises tapped blind hole 13, and secondary holding end 22 comprises the tapped through hole 23 be oppositely arranged with tapped blind hole 13; Bone grafting instrument also comprises screw rod 50, and screw rod 50 runs through tapped through hole 23 to tapped blind hole 13 place by nut check.Due to patient can not be balanced when operating the dynamics that clamp with secondary holding end 22 of the main holding end of control 12, when the dynamics of clamping is lower, plant bone mass easily drops, and causes unnecessary trouble to performing the operation.In order to effectively clamp plant bone mass, main holding end 12 and secondary holding end 22 are adopted nut check by the present invention, prevent plant bone mass from dropping, and add the success rate of operation, improve procedure efficiency.Preferably, nut is wing nut, patient's more convenient operation.
Further, nut comprises tightening nut 40 and loosening nut 41, and tightening nut 40 is located at the outside of secondary bar 20, and loosening nut 41 is arranged in the middle of mobile jib 10 and secondary bar 20.Tightening nut 40 is for regulating the clamping dynamics of mobile jib 10 and secondary bar 20, and loosening nut 41 then unclamps degree for what regulate mobile jib 10 and secondary bar 20.In bone grafting operation process, if fit tension between main holding end 12 and secondary holding end 22, need to utilize manpower to unclamp main holding end 12 and secondary holding end 22, and the dynamics of manpower is uncontrollable, easily goes wrong, and increases operation risk.The present invention is in order to prevent the generation of above-mentioned situation, and by slowly regulating loosening nut 41, main holding end 12 is slowly separated with secondary holding end 22, and dynamics more easily controls, and reduces operation risk.By laminating clamping between main bare terminal end 11 and secondary bare terminal end 21 after its screw rod 50 and tightening nut 40 coordinate, now, the first breach 111 and the second breach 211 form cavity.This cavity is for holding the plant bone mass of the different size of required clamping, and clamping process is more reliable, prevents plant bone mass from moving or ejects, making plant bone mass better be transported to the position needing bone grafting.
Preferably, the end of main holding end 12 is provided with button 121, and the end of button 121 is higher than the end of secondary holding end 22.Due in bone grafting operation process, need bone grafting instrument to be transported to by hammer the position needing bone grafting.If directly beat main holding end 12 and the end of secondary holding end 22, easily affect mobile jib 10 and the mating reaction of secondary bar 20, the plant bone mass be absorbed in the first breach 111 is dropped.The present invention is provided with button 121 in the end of main holding end 12, makes the dynamics of hammer concentrate on mobile jib 10, does not affect coordinating of mobile jib 10 and secondary bar 20.Preferably, the surface area of button 121 is greater than the area of the cross section of mobile jib 10, makes the lifting surface area of mobile jib 10 larger, is convenient to beat.Preferably, button 121 is infundibulate, makes the stressed more concentrated of mobile jib 10.
Preferably, mobile jib 10 is straight-bar structure, and secondary bar 20 is Z-type bar structure, and the mobile jib 10 of bone grafting instrument coordinates more convenient with secondary bar 20 on the one hand, and on the other hand, make mobile jib 10 keep straight-bar structure, make the stressed more concentrated of bone grafting instrument, operation technique is more convenient.In addition, mobile jib 10 and secondary bar 20 are 3 times of the length of the second side relative to jointed shaft 30 relative to the length of the first side of jointed shaft 30, are convenient to better clamping.
Another aspect of the present invention additionally provides the using method of bone grafting instrument.Comprise the following steps:
(1) remove focus, between the vertebral body of sick vertebra, repair out a strip bone grafting groove, this bone grafting groove is for implanting plant bone mass.
(2) getting plant bone mass closely embeds in the cavity of the first breach 111 and the formation of the second breach 211, main bare terminal end 11 and secondary bare terminal end 21 are fitted clamp, by screw rod 50 through tapped through hole 23 to tapped blind hole 13 place, locked by tightening nut 40 and obtain the bone grafting instrument with plant bone mass;
(3) bone grafting instrument with plant bone mass is placed in strip bone grafting groove, beats the button 121 of the bone grafting instrument with plant bone mass, plant bone mass is sent in strip bone grafting groove;
(4) regulate loosening nut 41 that the main bare terminal end 11 of bone grafting instrument is separated with secondary bare terminal end 21, detach bone grafting instrument.
The method of aforementioned removing focus is the method that this area is commonly used, concrete operations are: by patient's intubation and general anaesthesia, keep patient ventricumbent position, the position of sick vertebra is confirmed by C-arm X-ray machine perspective, stringer otch in center after row centered by the sick vertebra of patient, outside conventional exposure bilateral lamina to Minor articulus.The upper and lower adjacent normal vertebral body of sick vertebra inserts pedicle screw, first in the side that pathological changes is lighter, internal fixation bar is temporarily installed temporary fixed, appears canalis spinalis.Protection spinal cord; sting except the upper and lower articular process of sick vertebra, transverse process, pedicle of vertebral arch from the sick vertebra side that pathological changes is heavier; appear Ipsilateral intervertebral space; excision intervertebral disc and upper and lower by infringement cartilage endplate part; along front, vertebral body side; to sick vertebra leading edge and strike off abscess, sequestrum, caseous necrosis thing and granulation tissue up and down, simultaneously row psoas major pus rinse, drain.With method cleaning opposite side focus.After treating focal cleaning, with a large amount of normal saline flushing focal zone.
After bone grafting instrument detaches, cleaning down art district, after strict hemostasis, streptomycin powder lg, isoniazid 0.3g place in art district, install pitman, tighten internal fixation screw.Utilize the pressurization of internal fixation system and the effect that struts slowly to correct spinal anterior approach, after C-arm X-ray machine perspective confirms that kyphosis deformity is corrected, placing drainage, successively closes otch.
Adopt the using method of bone grafting instrument provided by the invention and this bone grafting instrument, there is following beneficial effect:
1, bone grafting instrument provided by the invention, comprise mobile jib 10 and secondary bar 20, mobile jib 10 and secondary bar 20 are articulated and connected by jointed shaft 30, mobile jib 10 can be freely movable with secondary bar 20, the clamping of bone grafting instrument and unclamp conveniently, be convenient to the operation carrying out Via Posterior Spinal Approach bone grafting operation, improve efficiency and the safety of operation;
2, elongated bone grafting instrument, is implanting or in the process of beaing, can effectively keep plant bone mass geo-stationary, reduces because plant bone mass accidental displacement is to the damage of the surrounding tissue such as spinal cord, blood vessel or internal organs, reduces the infringement to spinal cord in the process of beaing simultaneously; The cavity of first and second breach 111,211 formation of bare terminal end can hold the plant bone mass of different size, and this structure increases clamping friction power, avoids the infringement to jointed shaft 30, the more important thing is, is convenient to stablize plant bone mass in the process of beaing;
3, screw, dynamics that loosening nut 40,41 can regulate plant bone mass to clamp, prevent the accidental injury that plant bone mass is shifted, can slowly unclamp again, prevent bone grafting instrument itself to the accidental injury of spinal cord and surrounding tissue; Infundibulate button 121 is convenient to beaing of hammer, reduces the damage that the unexpected landing of hammer causes surrounding tissues such as spinal cords;
In the use procedure of 4, bone grafting instrument, carry out bilateral cleaning focus along same incision; Operation adopts single otch, and wound is little, can complete focal cleaning, Intervertebral fusion, spinal stability reconstruction by first phase; Without the need to changing position in art, correction deformity after decompression in advance, few intercurrent disease in orthopaedic procedures; In art, post-operative complication is few, and operating time is short, and amount of bleeding is few; The cycle of being in hospital is short, and patient economy burden is light; Sick vertebra pedicle internal fixtion, can recover the normal physiological curvature of spinal column effectively; Correct kyphosis deformity; Reduce internal fixtion to loosen, rupture; Fracture or dislocation takes out safer, smooth.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. a bone grafting instrument, is characterized in that, comprises mobile jib (10) and secondary bar (20), and described mobile jib (10) and secondary bar (20) are articulated and connected by jointed shaft (30);
Described mobile jib (10) comprises main bare terminal end (11) and main holding end (12), described secondary bar (20) comprises secondary bare terminal end (21) and secondary holding end (22), described main bare terminal end (11) and described secondary bare terminal end (21) are relatively arranged on the first side of described jointed shaft (30), and described main holding end (12) and described secondary holding end (22) are relatively arranged on the second side of described jointed shaft (30); Described main bare terminal end (11) is provided with the first breach (111), and described secondary bare terminal end (21) is provided with second breach (211) relative with described first breach (111);
The end of described main holding end (12) is provided with button (121), and the end of described button (121) is higher than the end of described secondary holding end (22);
Described mobile jib (10) is straight-bar structure, and described secondary bar (20) is Z-shaped bar structure.
2. bone grafting instrument according to claim 1, it is characterized in that, described main holding end (12) comprises tapped blind hole (13), and described secondary holding end (22) comprises the tapped through hole (23) be oppositely arranged with described tapped blind hole (13); Described bone grafting instrument also comprises screw rod (50), and described screw rod (50) runs through described tapped through hole (23) to tapped blind hole (13) place by nut check.
3. bone grafting instrument according to claim 2, it is characterized in that, described nut comprises tightening nut (40) and loosening nut (41), described tightening nut (40) is located at the outside of secondary bar (20), and described loosening nut (41) is arranged between described mobile jib (10) and secondary bar (20).
4. bone grafting instrument according to claim 3, it is characterized in that, by described main bare terminal end (11) and described secondary bare terminal end (21) laminating clamping after described screw rod (50) and described tightening nut (40) coordinate, described first breach (111) and the second breach (211) form cavity.
5. bone grafting instrument according to claim 1, is characterized in that, the surface area of described button (121) is greater than the area of the cross section of described mobile jib (10).
6. bone grafting instrument according to claim 1, is characterized in that, described button (121) is infundibulate.
7. bone grafting instrument according to claim 1, it is characterized in that, described mobile jib (10) and secondary bar (20) are 3 times of the length of the second side relative to described jointed shaft (30) relative to the length of the first side of described jointed shaft (30).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310184819.3A CN103222889B (en) | 2013-05-17 | 2013-05-17 | Bone grafting devic |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310184819.3A CN103222889B (en) | 2013-05-17 | 2013-05-17 | Bone grafting devic |
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| CN103222889A CN103222889A (en) | 2013-07-31 |
| CN103222889B true CN103222889B (en) | 2015-01-14 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103976773B (en) * | 2014-06-04 | 2016-02-24 | 马秋野 | reduction forceps |
| CN108852509B (en) * | 2018-05-18 | 2020-03-20 | 陈光鑫 | Medical instrument clamp for hand and foot microsurgery |
| CN113125226B (en) * | 2021-04-16 | 2023-09-05 | 重庆医药高等专科学校 | Biological tissue slicer |
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| CN86205619U (en) * | 1986-08-11 | 1987-05-20 | 周志 | Forceps bone holder and fixture |
| CN101128158A (en) * | 2004-09-29 | 2008-02-20 | 新特斯有限责任公司 | Less invasive surgical system and methods |
| WO2008098054A2 (en) * | 2007-02-06 | 2008-08-14 | Pioneer Surgical Technology, Inc. | Intervertebral implant devices and methods for insertion thereof |
| CN201492490U (en) * | 2009-08-31 | 2010-06-02 | 张清波 | Fracture fixing apparatus |
| CN101953711A (en) * | 2010-10-15 | 2011-01-26 | 上海交通大学医学院附属新华医院 | Asymmetric eight-figure steel plate built in epiphyseal arrest and application thereof |
| CN102429717A (en) * | 2011-09-05 | 2012-05-02 | 李长民 | Steel plate fixing clamp |
| CN203303128U (en) * | 2013-05-17 | 2013-11-27 | 中南大学湘雅医院 | Bone grafting instrument |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102548511B (en) * | 2009-08-19 | 2015-07-15 | 斯恩蒂斯有限公司 | Method and apparatus for augmenting bone |
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2013
- 2013-05-17 CN CN201310184819.3A patent/CN103222889B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86205619U (en) * | 1986-08-11 | 1987-05-20 | 周志 | Forceps bone holder and fixture |
| CN101128158A (en) * | 2004-09-29 | 2008-02-20 | 新特斯有限责任公司 | Less invasive surgical system and methods |
| WO2008098054A2 (en) * | 2007-02-06 | 2008-08-14 | Pioneer Surgical Technology, Inc. | Intervertebral implant devices and methods for insertion thereof |
| CN201492490U (en) * | 2009-08-31 | 2010-06-02 | 张清波 | Fracture fixing apparatus |
| CN101953711A (en) * | 2010-10-15 | 2011-01-26 | 上海交通大学医学院附属新华医院 | Asymmetric eight-figure steel plate built in epiphyseal arrest and application thereof |
| CN102429717A (en) * | 2011-09-05 | 2012-05-02 | 李长民 | Steel plate fixing clamp |
| CN203303128U (en) * | 2013-05-17 | 2013-11-27 | 中南大学湘雅医院 | Bone grafting instrument |
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