CN102488549A - Split type occipital plate - Google Patents
Split type occipital plate Download PDFInfo
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- CN102488549A CN102488549A CN2011103853549A CN201110385354A CN102488549A CN 102488549 A CN102488549 A CN 102488549A CN 2011103853549 A CN2011103853549 A CN 2011103853549A CN 201110385354 A CN201110385354 A CN 201110385354A CN 102488549 A CN102488549 A CN 102488549A
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- hole
- lock
- occipital bone
- bone plate
- split type
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Abstract
The invention discloses a split type occipital plate which comprises plate bodies, wherein the lower part of each plate body is an attaching surface used for being attached to an occipital bone of a human body; one side of each plate body is provided with a locking hole, and the other side of each plate body is provided with a stick-passing hole; the other side of each plate body is also provided with a stick-locking hole, and the stick-passing holes are communicated with the stick-locking holes; and the locking holes are through holes passing through the attaching surfaces. According to the invention, 2-4 separately-processed occipital plate bodies are adopted and used in pairs, respective orthopedic sticks of the occipital plate bodies used in pairs in the process of fixing orthopedic sticks can be fixed separately and respectively, the fixed position is adjusted conveniently, and the operation is convenient and rapid.
Description
Technical field
The present invention relates to posterior cervical pillow neck and merge auxiliary implement, relate in particular to a kind of occipital bone plate.
Background technology
At present, for traumatic fracture of cervical vertebra, especially fracture in the cervical vertebra district; The normal fixedly fracture end of pillow neck fusion that adopts, the pillow neck of prior art is fixedly connected system and often adopts integral type occipital bone plate to be connected with orthopedic rod, fixes; There are a lot of problems clinically in this, as:
1, operative process is complicated: because the occipitalia steel plate is an integral structure, an orthopedic excellent paraphysis body that is fixed on occipitalia steel plate both sides is fixedly the time, and opposite side is prone to perk, and difficulty is fixed; In addition, though orthopedic rod has pre-bending owing to the occipital bone individual variation, pre-bending radian and the frequent matching degree of occipital bone radian are not enough, further increase operation easier;
2, postoperative occipitalia steel plate is prone to come off: because the screw of fastening occipitalia steel plate is immobilizated on the block plate and the position near, stress concentration takes place in screw fastening place easily, thereby causes screw to deviate from occipital bone, and the problem that the occipitalia steel plate comes off takes place.
3, as shown in Figure 1; Screw on the occipitalia steel plate 7 is vertically implanted occipital bone 5, screw is implanted in the process of occipital bone 5 at tool using 21 often with between back 20 muscle and the soft tissue to interfere, and can be blocked doctor's sight line when operating; Cause the implantation process of screw to have difficulties, be difficult to fix.
Summary of the invention
To the problem that exists in the prior art, the object of the invention is for providing a kind of simple in structure, easy to operate and fixing reliable split type occipital bone plate.
For realizing above-mentioned purpose, technical scheme of the present invention is following:
A kind of split type occipital bone plate; Comprise body, said body bottom is the attaching face that is used to attach the human body occipital bone, and said body one side is provided with lock hole; Opposite side is provided with wears excellent hole; Said opposite side also is provided with the excellent hole of lock, saidly wears excellent hole and is communicated with the excellent hole of said lock, and said lock hole is the through hole that passes said attaching face.
Further, said to wear excellent hole be through hole, and said lock rod hole is a screwed hole.
Further, said lock hole centrage and sagittal plane angle are the 15-60 degree.
Further, said lock hole centrage and sagittal plane angle are 45 degree.
Further, said lock hole top is the ball-and-socket type hole.
Further, angle is the 45-60 degree between excellent centerline hole of said lock and the sagittal plane.
Further, angle is 45 degree between excellent centerline hole of said lock and the sagittal plane.
It is further, said that to wear excellent hole be manhole.
It is further, said that to wear excellent hole be ellipse hole.。
The present invention has following advantage:
1, lock hole centrage and sagittal plane angle are the 15-60 degree, make this occipital bone plate lock screw advance to follow closely direction becomes the 15-60 degree with sagittal plane angle; Angle is the 45-60 degree between excellent centerline hole of said lock and the sagittal plane, makes the excellent screw axis of lock become the angle of 45-60 degree with sagittal plane, when locking, can effectively avoid the plump soft tissue in back like this, and operation technique is convenient, reduces the locking difficulty; Obliquely go into nail and make the direction of advancing to follow closely of lock screw point to the thickest position of occipital bone, lock more firm.
2, the occipital bone plate can 2 uses or 4 uses, and the integral type of comparing occipital bone plate is dispersive stress effectively, the risk of minimizing postoperative occipital bone plate slippage.
3, the locking nail of orthopedic rod can lock back folding section, can also use nut type locking.
4, the cooperation of the assembled of split type occipital bone plate can reduce the strict demand to orthopedic excellent radian, and the occipital bone plate can rationally be arranged latched position according to the crooked radian of orthopedic rod.
Description of drawings
Below in conjunction with accompanying drawing the present invention is done further explain:
Fig. 1 is the pillow neck fixed structure installation process sketch map of prior art;
Fig. 2 is a kind of split type occipital bone plate perspective view of the present invention;
Fig. 3 is a kind of split type occipital bone plate sectional structure sketch map of the present invention;
Fig. 4 is a kind of split type occipital bone plate assembly structure sketch map of the present invention;
Fig. 5 is a kind of split type occipital bone plate user mode sketch map of the present invention.
The specific embodiment
The exemplary embodiments that embodies characteristic of the present invention and advantage will be described in detail in following explanation.Be understood that the present invention can have various variations on various embodiment, its neither departing from the scope of the present invention, and explanation wherein and accompanying drawing be the usefulness of being used as explanation in itself, but not in order to restriction the present invention.
Like Fig. 2 and shown in Figure 3, the present invention includes body 1, body 1 is for adopting titanium alloy or medical stainless steel material.The attaching face 11 that body 1 lower surface is and human body occipital bone 5 attaches can be the plane, or with irregular of human anatomic structure forming by a plurality of planes or curved surface of adapting, also can process certain arc as required.Body 1 upper surface can be the plane; The concave plane that also can form by a plurality of planes or curved surface; In the present embodiment; Upper surface left side is an inclined-plane 12 (also can make plane or cambered surface as required), and the right side is the inverted V-shaped structure of being made up of two inclined- planes 13,14 15, body 1 all around four faces all perpendicular to attaching face 11; 12 left sides, inclined-plane, left side of body 1 upper end also be extended with one be parallel to attaching face plane 16 (this face 16 is the face of transition, and inclined-plane 12 may extend into the leftmost side as required).
As shown in Figure 4; Attaching face 11 is the plane in the present embodiment, and angle is processed with lock hole 17 between the attaching face 11 of inclined-plane, left side 12 and body 1 bottom on inclined-plane, left side 12 between the 15-60 degree; Lock hole 17 can be one, also can be processed into two or more as required.(lock hole 17 centrages and inclined-plane, left side 12 also can out of plumb in reality processing perpendicular to inclined-plane, left side 12 for lock hole 17 centrages; Lock hole 17 is only most important with sagittal angle); Cross on the attaching face 11 that angle is the 30-75 degree between lock hole 17 centrages and attaching face 11 intersection point place tangent lines and lock hole 17 centrages; Because attaching face 11 is the plane in the present embodiment; On occipital bone 5, attach and fix, can guarantee that therefore lock hole 17 and sagittal plane angle are the 15-60 degree, this angle optimum is 45 degree.Lock hole 17 connects inclined-plane 12, left side and attaching faces 11, and lock hole 17 tops are ball-and-socket type hole 171, can guarantee that ball screw 2 and occipital bone plate firmly lock.
As shown in Figure 5, what connect before and after the bottom that is positioned at inverted V-shaped structure 15 on the body 1 is processed with wears excellent hole 18, and this wears excellent hole 18 is one, and centrage can be parallel with attaching face 11, also can and attaching face 11 between angled, confirm according to actual needs.Wear excellent hole 18 and be used to penetrate orthopedic excellent 3, and wear excellent hole 18 for oval, can make things convenient for orthopedic excellent 3 in wearing excellent hole 18, to carry out fine position, this is worn excellent hole and also can be the circular port of diameter more than or equal to orthopedic rod, thereby realizes fine setting.According to actual needs, also can be processed as two ends and have arcual slotted hole wearing excellent hole 18.
Be processed with the excellent hole 19 of lock on the body 1 on the inclined-plane, right side 14 of inverted V-shaped structure 15, lock inclined-plane, 19 connection right side, excellent hole 14 and wear excellent hole 18.Lock excellent hole 19 and be generally one, also can be processed into two or more as required.The centrage of locking excellent hole 19 is perpendicular to this inclined-plane, right side 14 (but also out of plumb; Lock that angle is only most important between excellent hole 19 and the sagittal plane); Angle is between the 45-60 degree between inclined-plane, right side 14 and the attaching face 11, locks therefore that angle is between the 30-45 degree between excellent hole 19 centrages and the attaching face 11 (this moment, attaching face 11 was the plane), and attaching face 11 attaches on occipital bone 5 to be fixed; Therefore can guarantee to lock that angle is the 45-60 degree between excellent hole 19 centrages and the sagittal plane, optimum is 45 degree.Lock excellent hole 19 and be screwed hole, be used for implanting and lock excellent screw 4, will penetrate orthopedic excellent 3 lockings in the excellent hole 18, certainly, as long as can realize that the excellent Kong Jun of the lock of the orthopedic excellent function of locking is in protection domain.
The fixation procedure that adopts two the present invention to match to use is described below: the body 1 of at first getting an occipital bone plate places the right side of occipital bone 5 knuckles; After the position is confirmed; In lock hole 17, tiltedly penetrate ball screw 2; Utilize screwdriver that this ball screw 2 is passed the occipital bone 5 that lock hole 17 tiltedly is screwed into human body, the body 1 of tightening the occipital bone plate just is fixed on the right side of occipital protuberance.Afterwards, repeat same step, the occipital bone plate of locking occipital protuberance opposite side; Because the design of split type occipital bone plate is difficult for forming stress concentration, can make fixing more reliable on occipital bone 5 of the body 1 of occipital bone plate; The difficult nail that moves back, and cause the occipital bone plate to come off.
In wearing excellent hole 18, penetrate then orthopedic excellent 3, according to the different human body characteristics adjust orthopedic excellent 3 in wearing excellent hole 18 position, treat that the position is confirmed after, in the excellent hole 19 of lock, use operation tool 6 to be screwed into the excellent screw 4 of lock.Lock excellent screw 4 and be threaded between the excellent hole 19 with lock, wait to lock excellent screw 4 front ends pass the excellent hole 19 of lock hold out against wear in the excellent hole 18 orthopedic excellent 3, and with orthopedic excellent 3 locked in wearing excellent hole 18 after, can the excellent screw 4 of lock be fractureed, or adopt the excellent screw 4 of locking nut locking lock.
Then, the body 1 of another piece occipital bone plate is fixed on the left side of occipital bone 5 knuckles, method as stated again.After the body 1 of two blocks of occipital bone plates and an end of orthopedic excellent 3 fix, stride across fracture face 9 with orthopedic excellent 3, adopt pedicle screw or lateral mass screw to fix orthopedic excellent 3 the other end.The employing of pedicle screw or lateral mass screw is confirmed according to orthopedic excellent fixed position upper cervical spine anatomical shape, selects by surgical staff is on-the-spot.
The present invention has following advantage:
1, lock hole centrage and sagittal plane angle are the 15-60 degree, make this occipital bone plate lock screw advance to follow closely direction becomes the 15-60 degree with sagittal plane angle; Angle is the 45-60 degree between excellent centerline hole of said lock and the sagittal plane, makes the excellent screw axis of lock become the angle of 45-60 degree with sagittal plane, when locking, can effectively avoid the plump soft tissue in back like this, and operation technique is convenient, reduces the locking difficulty; Obliquely go into nail and make the direction of advancing to follow closely of lock screw point to the thickest position of occipital bone, lock more firm.
2, the occipital bone plate can 2 uses or 4 uses, and the integral type of comparing occipital bone plate is dispersive stress effectively, the risk of minimizing postoperative occipital bone plate slippage.
3, orthopedic excellent 3 locking nail can lock back folding section, can also use nut type locking.
4, the cooperation of the assembled of split type occipital bone plate can reduce the strict demand to orthopedic excellent 3 radians, and the occipital bone plate can rationally be arranged latched position according to orthopedic excellent 3 crooked radian.
Technical scheme of the present invention is disclosed as above by preferred embodiment.Those skilled in the art should recognize change and the retouching of under the situation that does not break away from appended scope of the present invention that claim disclosed of the present invention and spirit, being done, and all belong within the protection domain of claim of the present invention.
Claims (9)
1. a split type occipital bone plate is characterized in that, comprises body (1); Said body (1) bottom is the attaching face (11) that is used to attach the human body occipital bone; Said body (1) one side is provided with lock hole (17), and opposite side is provided with wears excellent hole (18), and said opposite side also is provided with lock excellent hole (19); The said excellent hole (18) of wearing is communicated with the excellent hole of said lock (19), and said lock hole (17) is the through hole that passes said attaching face.
2. split type occipital bone plate as claimed in claim 1 is characterized in that, said to wear excellent hole (18) be through hole, and said lock rod hole (19) is a screwed hole.
3. split type occipital bone plate as claimed in claim 1 is characterized in that said lock hole (17) centrage and sagittal plane angle are the 15-60 degree.
4. split type occipital bone plate as claimed in claim 3 is characterized in that, said lock hole (17) centrage and sagittal plane angle are 45 degree.
5. split type occipital bone plate as claimed in claim 3 is characterized in that, said lock hole (17) top is ball-and-socket type hole (171).
6. split type occipital bone plate as claimed in claim 2 is characterized in that angle is the 45-60 degree between the excellent hole of said lock (19) centrage and the sagittal plane.
7. split type occipital bone plate as claimed in claim 6 is characterized in that, angle is 45 degree between the excellent hole of said lock (19) centrage and the sagittal plane.
8. split type occipital bone plate as claimed in claim 1 is characterized in that, the said excellent hole (18) of wearing is manhole.
9. split type occipital bone plate as claimed in claim 1 is characterized in that, the said excellent hole (18) of wearing is ellipse hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110385354.9A CN102488549B (en) | 2011-11-28 | 2011-11-28 | Split type occipital plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110385354.9A CN102488549B (en) | 2011-11-28 | 2011-11-28 | Split type occipital plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102488549A true CN102488549A (en) | 2012-06-13 |
| CN102488549B CN102488549B (en) | 2014-07-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110385354.9A Active CN102488549B (en) | 2011-11-28 | 2011-11-28 | Split type occipital plate |
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| Country | Link |
|---|---|
| CN (1) | CN102488549B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5542946A (en) * | 1994-05-27 | 1996-08-06 | Sofamor S.N.C. | Hook for an occipito-cervical rod or plate of an occipito-cervical osteosynthesis instrumentation |
| US5558674A (en) * | 1993-12-17 | 1996-09-24 | Smith & Nephew Richards, Inc. | Devices and methods for posterior spinal fixation |
| US20060155283A1 (en) * | 2005-01-07 | 2006-07-13 | Depuy Spine Sarl | Occipital plate and guide systems |
| CN101909536A (en) * | 2007-10-24 | 2010-12-08 | 纽瓦西弗公司 | Surgical fixation system and related methods |
| US20110087292A1 (en) * | 2009-10-14 | 2011-04-14 | K2M, Inc. | Occipital fixation assembly, system and method for attaching the same |
-
2011
- 2011-11-28 CN CN201110385354.9A patent/CN102488549B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5558674A (en) * | 1993-12-17 | 1996-09-24 | Smith & Nephew Richards, Inc. | Devices and methods for posterior spinal fixation |
| US5542946A (en) * | 1994-05-27 | 1996-08-06 | Sofamor S.N.C. | Hook for an occipito-cervical rod or plate of an occipito-cervical osteosynthesis instrumentation |
| US20060155283A1 (en) * | 2005-01-07 | 2006-07-13 | Depuy Spine Sarl | Occipital plate and guide systems |
| CN101909536A (en) * | 2007-10-24 | 2010-12-08 | 纽瓦西弗公司 | Surgical fixation system and related methods |
| US20110087292A1 (en) * | 2009-10-14 | 2011-04-14 | K2M, Inc. | Occipital fixation assembly, system and method for attaching the same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102488549B (en) | 2014-07-30 |
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Owner name: BEIJING NATONG TECHNOLOGY GROUP CO., LTD. Effective date: 20150113 Owner name: NATON BIOLOGICAL TECHNOLOGY (BEIJING) CO., LTD. Free format text: FORMER OWNER: BEIJING NATONG TECHNOLOGY GROUP CO., LTD. Effective date: 20150113 |
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Free format text: CORRECT: ADDRESS; FROM: 100082 HAIDIAN, BEIJING TO: 100095 HAIDIAN, BEIJING |
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| TR01 | Transfer of patent right |
Effective date of registration: 20150113 Address after: 100095, 103, 1, 2-1, 2 North Ching Road, Beijing, Haidian District Patentee after: Nathon Biotechnology (Beijing) Co., Ltd. Patentee after: Beijing Natong Technology Group Co., Ltd. Address before: 100082 Beijing city Haidian District Deshengmen West Street No. 15 ocean scenery area 8-2-1201 room Patentee before: Beijing Natong Technology Group Co., Ltd. |