CN203303128U - Bone grafting instrument - Google Patents
Bone grafting instrument Download PDFInfo
- Publication number
- CN203303128U CN203303128U CN2013202724598U CN201320272459U CN203303128U CN 203303128 U CN203303128 U CN 203303128U CN 2013202724598 U CN2013202724598 U CN 2013202724598U CN 201320272459 U CN201320272459 U CN 201320272459U CN 203303128 U CN203303128 U CN 203303128U
- Authority
- CN
- China
- Prior art keywords
- bone grafting
- grafting instrument
- mobile jib
- bare terminal
- nut
- 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
Images
Abstract
The utility model provides a bone grafting instrument which comprises a primary rod and a secondary rod. The primary rod and the secondary rod are in hinge joint through a hinge shaft. The primary rod comprises the primary clamping end and the primary holding end. The secondary rod comprises the secondary clamping end and the secondary holding end. The primary clamping end and the secondary clamping end are oppositely arranged on the first side of the hinge shaft, the primary holding end and the secondary holding end are oppositely arranged on the second side of the hinge shaft, and a first notch is formed in the primary clamping end. The bone grafting instrument solves the technical problem of lacking a bone grafting instrument for posterior bone grafting operations in the prior art. The bone grafting instrument is simple in structure and improves operation efficiency and operation safety.
Description
Technical field
This utility model relates to medical instruments field, especially, relates to a kind of bone grafting instrument.
Background technology
At present, the bony defect that causes for the treatment of spinal tuberculosis or tumor mainly adopts the operation method of focal cleaning and bone grafting.Anterior approach is convenient to bone grafting, and still, large to surrounding tissue organ injury probability, post-operative complication is many; Otch is large, hemorrhage many, and operation and anesthesia duration are long; Tuberculosis of spine need to cut off many roots bone, ligation multi-segmental blood vessel; Hospital stays is long, and surgery cost is high, interior fixing taking-up 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 that gradually adopts Posterior Bone Graft method treatment spinal tuberculosis or tumor to cause, and the Posterior Bone Graft method more and more is subject to extensive concern because success rate of operation is high, but it is to improve operation efficiency and security performance technical barrier urgently to be resolved hurrily that the bone grafting apparatus and related methods that lack specialty in the market, is suitable for, preparation are applicable to the bone grafting apparatus and related methods of Posterior Bone Graft method.
The utility model content
This utility model purpose is to provide a kind of bone grafting instrument, to solve in prior art the technical problem lacked for the bone grafting instrument of Posterior Bone Graft operation.
For achieving the above object, this utility model provides a kind of bone grafting instrument, comprises mobile jib and secondary bar, and 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, screw rod run through tapped through hole to the tapped blind hole place by nut check.
Further, nut comprises and screws nut and unscrew nut, screws the outside that nut is located at secondary bar, unscrews nut and is arranged in the middle of mobile jib and secondary bar.
Further, screw rod and screw nut and coordinate after will between main bare terminal end and secondary bare terminal end, laminating clamp, 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 the straight-bar structure, and secondary bar is Z-type bar structure, and mobile jib and secondary bar are 3 times with respect to the second side of jointed shaft with respect to the first side of jointed shaft.
The utlity model has following beneficial effect:
1, the bone grafting instrument that provides of this utility model, comprise 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, be convenient to carry out the operation of Via Posterior Spinal Approach bone grafting operation, improved efficiency and the safety of operation;
2, elongated bone grafting instrument, in the process of implanting or beaing, can effectively keep plant bone mass relatively static, reduces because of the damage of plant bone mass accidental displacement to tissue or internal organs around spinal cord, blood vessel etc., reduces simultaneously in the process of beaing the infringement to spinal cord; The cavity that first and second breach of bare terminal end forms can hold the plant bone mass of different size, and this structure has increased clamping frictional force, has avoided the infringement to jointed shaft, the more important thing is, is convenient to stablize plant bone mass in the process of beaing;
3, screw, unscrew nut and can regulate the dynamics of plant bone mass clamping, prevent the accidental injury of plant bone mass displacement, can slowly unclamp again, prevent the accidental injury of bone grafting instrument to spinal cord and surrounding tissue itself; The infundibulate button is convenient to beaing of hammer, reduces the damage that the unexpected landing of hammer causes tissue around spinal cord etc.;
Except purpose described above, feature and advantage, this utility model also has other purpose, feature and advantage.Below with reference to figure, this utility model is described in further detail.
The accompanying drawing explanation
The accompanying drawing that forms the application's a part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining this utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of this utility model preferred embodiment.
The specific embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated, but the multitude of different ways that this utility model can be defined by the claims and cover is implemented.
With reference to Fig. 1, preferred embodiment of the present utility model, provide a kind of bone grafting instrument, comprise mobile jib 10 and secondary bar 20, mobile jib 10 is articulated and connected by jointed shaft 30 with secondary bar 20, and mobile jib 10 can be freely movable with secondary bar 20, the clamping of bone grafting instrument and unclamping conveniently, be 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, the patient is by regulating main holding end 12 and distance adjustment master's bare terminal end 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, screw rod 50 run through tapped through hole 23 to tapped blind hole 13 places by nut check.Due to the patient when operation can not be balanced the dynamics that clamps of the main holding end 12 of control and secondary holding end 22, when the clamping dynamics was low, plant bone mass easily dropped, and causes unnecessary trouble to operation.In order effectively to clamp plant bone mass, this utility model adopts nut check by main holding end 12 and secondary holding end 22, prevents that plant bone mass from dropping, and has increased the success rate of operation, has improved operation efficiency.Preferably, nut is wing nut, patient's more convenient operation.
Further, nut comprises and screws nut 40 and unscrew nut 41, screws the outside that nut 40 is located at secondary bar 20, unscrews nut 41 and is arranged in the middle of mobile jib 10 and secondary bar 20.Screw nut 40 be used to regulating the clamping dynamics of mobile jib 10 and secondary bar 20, unscrew nut 41 be used to regulating the degree of unclamping of mobile jib 10 and secondary bar 20.In the bone grafting operation process, if between main holding end 12 and secondary holding end 22, fit tension, 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 has increased operation risk.This utility model, in order to prevent the generation of above-mentioned situation, unscrews nut 41 by slow adjusting, and main holding end 12 and secondary holding end 22 are slowly separated, and dynamics is more easily controlled, and has reduced operation risk.Its screw rod 50 and screw nut 40 and coordinate after will between main bare terminal end 11 and secondary bare terminal end 21, laminating clamp, now, the first breach 111 and the second breach 211 formation cavitys.This cavity is for holding the plant bone mass of different size of required clamping, and clamping process is more reliable, prevents that plant bone mass from moving or ejecting, and makes plant bone mass better be transported to the position that needs 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.In the bone grafting operation process, need to bone grafting instrument be transported to by hammer to the position that needs bone grafting.If directly beat the end of main holding end 12 and secondary holding end 22, easily affect the mating reaction of mobile jib 10 and secondary bar 20, the plant bone masses that make to be absorbed in the first breach 111 drop.This utility model is provided with button 121 in the end of main holding end 12, and the dynamics of hammer is concentrated 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 the straight-bar structure, and secondary bar 20 is Z-type bar structure, and the mobile jib 10 of one side bone grafting instrument coordinates more convenient with secondary bar 20, on the other hand, makes mobile jib 10 keep the straight-bar structures, makes the stressed more concentrated of bone grafting instrument, and operation technique is more convenient.In addition, mobile jib 10 and secondary bar 20 are 3 times with respect to the length of the second side of jointed shaft 30 with respect to the length of the first side of jointed shaft 30, are convenient to better clamping.
The using method of bone grafting instrument of the present utility model.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) get in the cavity of plant bone mass tight embedding the first breach 111 and the second breach 211 formation, main bare terminal end 11 and 21 laminatings of secondary bare terminal end are clamped, by screw rod 50 through tapped through hole 23 to tapped blind hole 13 places, by the bone grafting instrument that screws nut 40 locking and obtain having plant bone mass;
The bone grafting instrument that (3) will have a plant bone mass is placed in strip bone grafting groove, beats the button 121 of the bone grafting instrument with plant bone mass, and plant bone mass is sent in strip bone grafting groove;
(4) regulate and to unscrew nut 41 the main bare terminal end 11 of bone grafting instrument and secondary bare terminal end 21 are separated, detach bone grafting instrument.
The method of aforementioned removing focus is this area method commonly used, concrete operations are: patient is used to intubation and general anaesthesia, keep the patient ventricumbent position, by C type arm X-ray machine perspective, confirm the position of sick vertebra, stringer otch in center after row centered by patient's sick vertebra, the conventional bilateral vertebral plate that exposes is to the outside, little joint.On the upper and lower adjacent normal vertebral body of sick vertebra, insert pedicle screw, first in the lighter side of pathological changes, internal fixation bar is installed temporarily temporary fixed, appear canalis spinalis.The protection spinal cord; from heavier sick vertebra one side of pathological changes, sting except the upper and lower articular process of sick vertebra, transverse process, pedicle of vertebral arch; appear the Ipsilateral intervertebral space; excision intervertebral disc and upper and lower by infringement cartilage endplate part; along vertebral body side the place ahead; to sick vertebra leading edge, reach and strike off up and down abscess, sequestrum, caseous necrosis thing and granulation tissue, simultaneously capable psoas major pus flushing, drain.With method cleaning opposite side focus.After treating focal cleaning, with a large amount of normal saline flushing focal zones.
After bone grafting instrument detaches, cleaning down art district, streptomycin powder 1g, isoniazid 0.3g place in the Hou，Shu district of strictly stopping blooding, and pitman is installed, and tighten internal fixation screw.Utilize the pressurization of internal fixation system and strut slowly rectification kyphosis deformity of effect, after C type arm X-ray machine perspective confirmed that kyphosis deformity is corrected, placing drainage, successively closed otch.
Bone grafting instrument of the present utility model has following beneficial effect:
1, the bone grafting instrument that provides of wooden utility model, comprise mobile jib 10 and secondary bar 20, mobile jib 10 is articulated and connected by jointed shaft 30 with secondary bar 20, mobile jib 10 can be freely movable with secondary bar 20, the clamping of bone grafting instrument and unclamping conveniently, be convenient to carry out the operation of Via Posterior Spinal Approach bone grafting operation, improved efficiency and the safety of operation;
2, elongated bone grafting instrument, in the process of implanting or beaing, can effectively keep plant bone mass relatively static, reduces because of the damage of plant bone mass accidental displacement to tissue or internal organs around spinal cord, blood vessel etc., reduces simultaneously in the process of beaing the infringement to spinal cord; The cavity that first and second breach 111,211 of bare terminal end forms can hold the plant bone mass of different size, and this structure has increased clamping frictional force, has avoided 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, unscrew nut 40,41 and can regulate the dynamics of plant bone mass clamping, prevent the accidental injury of plant bone mass displacement, can slowly unclamp again, prevent the accidental injury of bone grafting instrument to spinal cord and surrounding tissue itself; Infundibulate button 121 is convenient to beaing of hammer, reduces the damage that the unexpected landing of hammer causes tissue around spinal cord etc.;
The foregoing is only the preferred embodiment of wooden utility model, be not limited to wooden utility model, for the technical staff in wooden field, this utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (8)
1. a bone grafting instrument, is characterized in that, comprises mobile jib (10) and secondary bar (20), and described mobile jib (10) is articulated and connected by jointed shaft (30) with secondary bar (20);
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 the first breach (111).
2. bone grafting instrument according to claim 1, 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) to be located by nut check.
3. bone grafting instrument according to claim 2, it is characterized in that, described nut comprises and screws nut (40) and unscrew nut (41), describedly screw the outside that nut (40) is located at secondary bar (20), the described nut (41) that unscrews is arranged between described mobile jib (10) and secondary bar (20).
4. bone grafting instrument according to claim 3, it is characterized in that, described screw rod (50) and describedly described main bare terminal end (11) and described secondary bare terminal end (21) laminating are clamped after screwing nut (40) and coordinating to described the first breach (111) and the second breach (211) formation cavity.
5. bone grafting instrument according to claim 1, is characterized in that, 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).
6. bone grafting instrument according to claim 5, 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).
7. bone grafting instrument according to claim 6, is characterized in that, described button (121) is infundibulate.
8. bone grafting instrument according to claim 1, it is characterized in that, described mobile jib (10) is the straight-bar structure, described secondary bar (20) is Z-shaped bar structure, and described mobile jib (10) and secondary bar (20) are 3 times with respect to the length of the second side of described jointed shaft (30) with respect to the length of the first side of described jointed shaft (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202724598U CN203303128U (en) | 2013-05-17 | 2013-05-17 | Bone grafting instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202724598U CN203303128U (en) | 2013-05-17 | 2013-05-17 | Bone grafting instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203303128U true CN203303128U (en) | 2013-11-27 |
Family
ID=49609370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202724598U Expired - Fee Related CN203303128U (en) | 2013-05-17 | 2013-05-17 | Bone grafting instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203303128U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103222889A (en) * | 2013-05-17 | 2013-07-31 | 中南大学湘雅医院 | Bone grafting device and use method of bone grafting device |
| CN106821485A (en) * | 2017-03-31 | 2017-06-13 | 河南理工大学 | A kind of bone grafting instrument |
-
2013
- 2013-05-17 CN CN2013202724598U patent/CN203303128U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103222889A (en) * | 2013-05-17 | 2013-07-31 | 中南大学湘雅医院 | Bone grafting device and use method of bone grafting device |
| CN103222889B (en) * | 2013-05-17 | 2015-01-14 | 中南大学湘雅医院 | Bone grafting devic |
| CN106821485A (en) * | 2017-03-31 | 2017-06-13 | 河南理工大学 | A kind of bone grafting instrument |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20230089601A1 (en) | Method of placing an implant between bone portions | |
| US9861496B2 (en) | Apparatus and method of spinal implant and fusion | |
| US10433880B2 (en) | Systems and methods for fusing a sacroiliac joint and anchoring an orthopedic appliance | |
| US10245087B2 (en) | Systems and methods for fusing a sacroiliac joint and anchoring an orthopedic appliance | |
| US8771282B2 (en) | Drill guide with rotating handle | |
| JP2019093158A (en) | Tissue retraction and vertebral displacement devices, systems and methods for posterior spinal fusion | |
| KR101987004B1 (en) | Bone repair system, kit and method | |
| JP7137736B2 (en) | articulating rod insert | |
| AU2013342208A1 (en) | Interbody interference implant and instrumentation | |
| WO2014143862A1 (en) | Methods and techniques for spinal surgery | |
| CN108498152A (en) | spinal implant system and method | |
| KR20150127153A (en) | Surgical implant system and method | |
| CN102860888A (en) | Integral lumbar intervertebral titanium plate fusion apparatus | |
| RU105157U1 (en) | Intervertebral implant and device for its introduction | |
| US20050171549A1 (en) | Apparatus and method for treating the spine | |
| CN101327153B (en) | Thoracic and lumbar vertebral posterior prosthesis | |
| CN203303128U (en) | Bone grafting instrument | |
| CN103222889B (en) | Bone grafting devic | |
| CN107028648A (en) | Extender in backbone pitman body | |
| US9326777B2 (en) | Decorticating surgical instruments and guidance systems with tactile feedback | |
| RU2517574C1 (en) | Method for surgical treatment of atlantoaxial injuries | |
| CN105708535A (en) | Posterior minimally invasive screw-rod system for thoracolumbar vertebral fracture | |
| CN205307076U (en) | Excellent system is followed closely by chest fracture of lumbar vertebra way of escape wicresoft | |
| RU146982U1 (en) | TRANSPEDICULAR SCREW | |
| CN102920504A (en) | Thoracic vertebra pedicle screw path detector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131127 Termination date: 20150517 |
|
| EXPY | Termination of patent right or utility model |