CN102488549B - Split type occipital plate - Google Patents
Split type occipital plate Download PDFInfo
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- CN102488549B CN102488549B CN201110385354.9A CN201110385354A CN102488549B CN 102488549 B CN102488549 B CN 102488549B CN 201110385354 A CN201110385354 A CN 201110385354A CN 102488549 B CN102488549 B CN 102488549B
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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 plate.
Background technology
At present, for traumatic fracture of cervical vertebra, especially cervical vertebra district fracture, the normal fixing fracture end of pillow neck fusion that adopts, the pillow neck of prior art is fixedly connected with system and often adopts integral type occipital plate to be connected with Orthopedic rod, is fixed, there are clinically a lot of problems in this, as:
1, operative process complexity: because occipitalia steel plate is integral type structure, be fixed on the Orthopedic rod one paraphysis body of occipitalia steel plate both sides when fixing, the easy perk of opposite side, more difficult fixing; In addition, although Orthopedic rod has pre-bending due to occipital bone individual variation, pre-bending radian and the frequent matching degree of occipital bone radian are inadequate, further increase operation easier;
2, postoperative occipitalia steel plate easily comes off: due to the screw of fastening occipitalia steel plate be immobilizated on a block plate and position close, easily there is stress concentration in screw fastening place, thereby causes screw to deviate from occipital bone, and the problem that occipitalia steel plate comes off occurs.
3, as shown in Figure 1, screw on occipitalia steel plate 7 is vertically implanted occipital bone 5, will be in the process of screw placement occipital bone 5 often with between back 20 muscle and soft tissue interfere, and can block doctor's sight line while operating at use instrument 21, cause the implantation process of screw to have difficulties, be difficult to fix.
Summary of the invention
For problems of the prior art, object of the present invention is for providing a kind of simple in structure, easy to operate and fixing reliable Split type occipital plate.
For achieving the above object, technical scheme of the present invention is as follows:
A kind of Split type occipital plate, comprise body, described body bottom is for attaching the attaching face of human body occipital bone, described body one side is provided with lock hole, opposite side is provided with wears excellent hole, described opposite side is also provided with the excellent hole of lock, described in wear excellent hole and be communicated with the excellent hole of described lock, described lock hole is the through hole through described attaching face.
Further, described in to wear excellent hole be through hole, described lock rod hole is screwed hole.
Further, described lock hole centrage and sagittal plane angle are 15-60 degree.
Further, described lock hole centrage and sagittal plane angle are 45 degree.
Further, described lock hole top is ball-and-socket type hole.
Further, between the excellent centerline hole of described lock and sagittal plane, angle is 45-60 degree.
Further, between the excellent centerline hole of described lock and sagittal plane, angle is 45 degree.
Further, described in, wearing excellent hole is manhole.
Further, described in, wearing excellent hole is ellipse hole.。
Tool of the present invention has the following advantages:
1, lock hole centrage and sagittal plane angle are 15-60 degree, make this occipital plate lock screw enter to follow closely direction to become with sagittal plane the angle of 15-60 degree; Between the excellent centerline hole of described lock and sagittal plane, angle is 45-60 degree, makes to lock excellent screw axis and become with sagittal plane the angle of 45-60 degree, can effectively avoid like this soft tissue of back plumpness in the time of locking, and operation technique facility reduces locking difficulty; The oblique direction of entering to follow closely that enters to follow closely to make lock screw is pointed to the thickest position of occipital bone, locks more firm.
2, occipital plate can 2 uses or 4 uses, and effectively dispersive stress of the integral type of comparing occipital plate reduces the risk of postoperative occipital plate slippage.
3, the locking nail of Orthopedic rod can lock rear folding section, can also use nut type locking.
4, the cooperation of the assembled of Split type occipital plate can reduce the strict demand to Orthopedic rod radian, and occipital plate can be according to the crooked radian reasonable arrangement latched position of Orthopedic rod.
Brief description of the drawings
Below in conjunction with accompanying drawing, the present invention is described in further detail:
Fig. 1 is the pillow neck fixed structure installation process schematic diagram of prior art;
Fig. 2 is a kind of Split type occipital plate perspective view of the present invention;
Fig. 3 is a kind of Split type occipital plate sectional structure of the present invention schematic diagram;
Fig. 4 is a kind of Split type occipital plate assembly structure of the present invention schematic diagram;
Fig. 5 is a kind of Split type occipital plate using state of the present invention schematic diagram.
Detailed description of the invention
The exemplary embodiments that embodies feature & benefits of the present invention will describe in detail in the following description.Be understood that the present invention can have various variations on different embodiment, it neither departs from the scope of the present invention, and explanation wherein and accompanying drawing be when the use that explain in itself, but not in order to limit the present invention.
As shown in Figure 2 and Figure 3, the present invention includes body 1, body 1 is for adopting titanium alloy or medical stainless steel material.Body 1 lower surface is the attaching face 11 attaching with human body occipital bone 5, can be plane, or with irregular of human anatomic structure being formed by multiple planes or curved surface of adapting, also can process as required certain arc.Body 1 upper surface can be plane, the concave plane that also can be formed by multiple planes or curved surface, in the present embodiment, left side, upper surface is an inclined-plane 12 (also can make as required plane or cambered surface), the inverted V-shaped structure 15 of Wei Youliang inclined-plane, right side 13,14 compositions, body 1 all around four faces all perpendicular to attaching face 11,12 left sides, inclined-plane, left side of body 1 upper end are also extended with a plane 16 that is parallel to attaching face (face that this face 16 is transition, inclined-plane 12 may extend into the leftmost side as required).
As shown in Figure 4, in the present embodiment, attaching face 11 is plane, and between inclined-plane, left side 12 and the attaching face 11 of body 1 bottom, angle, between 15-60 degree, is processed with lock hole 17 on inclined-plane, left side 12, lock hole 17 can be one, also can be processed into as required two or more.(in reality processing, lock hole 17 centrages and inclined-plane, left side 12 also can out of plumb perpendicular to inclined-plane, left side 12 for lock hole 17 centrages, lock hole 17 is only most important with sagittal angle), on attaching face 11, crossing angle between lock hole 17 centrages and attaching face 11 intersection point place tangent lines and lock hole 17 centrages is 30-75 degree, because attaching face in the present embodiment 11 is plane, on occipital bone 5, attach fixing, therefore can ensure that lock hole 17 and sagittal plane angle are 15-60 degree, this angle optimum is 45 degree.Lock hole 17 connects inclined-planes 12, left side and attaching faces 11, and lock hole 17 tops are ball-and-socket type hole 171, can ensure that ball screw 2 and occipital plate firmly lock.
As shown in Figure 5, what before and after the bottom that is positioned at inverted V-shaped structure 15 on body 1 is processed with, connect 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, determine according to actual needs.Wear excellent hole 18 for penetrating Orthopedic rod 3, and wear excellent hole 18 for oval, can facilitate Orthopedic rod 3 to carry out fine position wearing in excellent hole 18, this is worn excellent hole and also can be the circular port that diameter is more than or equal to Orthopedic rod, thereby realizes fine setting.According to actual needs, also can be processed as the slotted hole of two ends with arc by wearing excellent hole 18.
On body 1, on the inclined-plane, right side 14 of inverted V-shaped structure 15, be processed with the excellent hole 19 of lock, lock excellent hole 19 and be communicated with inclined-plane, right side 14 and wear excellent hole 18.Lock excellent hole 19 and be generally one, also can be processed into as required two or more.The centrage of locking excellent hole 19 (also can out of plumb perpendicular to this inclined-plane, right side 14, locking angle between excellent hole 19 and sagittal plane is only most important), between inclined-plane, right side 14 and attaching face 11, angle is between 45-60 degree, therefore lock between excellent hole 19 centrages and attaching face 11 (now attach face 11 for plane) angle between 30-45 degree, attaching face 11 attaches fixing on occipital bone 5, therefore can ensure to lock angle between excellent hole 19 centrages and sagittal plane is 45-60 degree, and optimum is 45 degree.Locking excellent hole 19 is screwed hole, for implanting the excellent screw 4 of lock, and so that the Orthopedic rod 3 penetrating in excellent hole 18 is locked, certainly, as long as the lock rod Kong Jun that can realize locking Orthopedic rod function is in protection domain.
Adopt two the present invention match use fixation procedure as described below: the body 1 of first getting an occipital plate is placed in the right side of occipital bone 5 knuckles, after location positioning, in lock hole 17, tiltedly penetrate ball screw 2, utilize screwdriver this ball screw 2 to be tiltedly screwed into the occipital bone 5 of human body through lock hole 17, the body 1 of tightening occipital bone plate is just fixed on the right side of occipital protuberance.Afterwards, repeat same step, the occipital plate of locking occipital protuberance opposite side, due to the design of split type occipital plate, be difficult for forming stress concentration fixing more reliable on occipital bone 5 of the body 1 that can make occipital plate, the difficult nail that moves back, and cause occipital plate to come off.
Then penetrate Orthopedic rod 3 wearing in excellent hole 18, adjust Orthopedic rod 3 wearing 18Zhong position, excellent hole according to different human body feature, after location positioning, 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 lock is threaded between excellent hole 19, wait to lock excellent screw 4 front ends and hold out against and wear Orthopedic rod 3 in excellent hole 18 through the excellent hole 19 of lock, and by locked Orthopedic rod 3 after wearing in excellent hole 18, the excellent screw 4 of lock can be fractureed, or adopt the excellent screw 4 of locking nut locking lock.
Then, then the body of another piece occipital plate 1 is fixed on to the left side of occipital bone 5 knuckles, method is described above.After the body 1 of two occipital plates and one end of Orthopedic rod 3 fix, Orthopedic rod 3 is striden across to fracture face 9, adopt pedicle screw or lateral mass screw to be fixed to the other end of Orthopedic rod 3.The employing of pedicle screw or lateral mass screw is determined according to Orthopedic rod fixed position upper cervical spine anatomical shape, selects by surgical staff is on-the-spot.
Tool of the present invention has the following advantages:
1, lock hole centrage and sagittal plane angle are 15-60 degree, make this occipital plate lock screw enter to follow closely direction to become with sagittal plane the angle of 15-60 degree; Between the excellent centerline hole of described lock and sagittal plane, angle is 45-60 degree, makes to lock excellent screw axis and become with sagittal plane the angle of 45-60 degree, can effectively avoid like this soft tissue of back plumpness in the time of locking, and operation technique facility reduces locking difficulty; The oblique direction of entering to follow closely that enters to follow closely to make lock screw is pointed to the thickest position of occipital bone, locks more firm.
2, occipital plate can 2 uses or 4 uses, and effectively dispersive stress of the integral type of comparing occipital plate reduces the risk of postoperative occipital plate slippage.
3, the locking nail of Orthopedic rod 3 can lock rear folding section, can also use nut type locking.
4, the cooperation of the assembled of Split type occipital plate can reduce the strict demand to Orthopedic rod 3 radians, and occipital plate can be according to the crooked radian reasonable arrangement latched position of Orthopedic rod 3.
Technical scheme of the present invention is disclosed as above by preferred embodiment.Those skilled in the art should recognize change and the retouching the scope and spirit of the present invention that the appended claim of the present invention discloses, done in the case of not departing from, within all belonging to the protection domain of claim of the present invention.
Claims (9)
1. a Split type occipital plate, it is characterized in that, comprise body (1), described body (1) bottom is the attaching face (11) for attaching human body occipital bone, left side, described body (1) upper surface is an inclined-plane (12), on described inclined-plane (12), be provided with lock hole (17), described lock hole (17) connects described inclined-plane (12) and described attaching face (11); Described body (1) right side, upper surface serve as reasons left side inclined-plane (13) and inclined-plane, right side (14) form inverted V-shaped structure (15); What before and after described inverted V-shaped structure (15) bottom is processed with, connect wears excellent hole (18), on the inclined-plane, described right side (14) of described inverted V-shaped structure (15), be processed with lock excellent hole (19), the excellent hole of described lock (19) be communicated with inclined-plane, described right side (14) and described in wear excellent hole (18).
2. Split type occipital plate as claimed in claim 1, is characterized in that, the excellent hole of described lock (19) is screwed hole.
3. Split type occipital plate as claimed in claim 1, is characterized in that, described lock hole (17) centrage and sagittal plane angle are 15-60 degree.
4. Split type occipital plate as claimed in claim 3, is characterized in that, described lock hole (17) centrage and sagittal plane angle are 45 degree.
5. Split type occipital plate as claimed in claim 3, is characterized in that, described lock hole (17) top is ball-and-socket type hole (171).
6. Split type occipital plate as claimed in claim 2, is characterized in that, between the excellent hole of described lock (19) centrage and sagittal plane, angle is 45-60 degree.
7. Split type occipital plate as claimed in claim 6, is characterized in that, between the excellent hole of described lock (19) centrage and sagittal plane, angle is 45 degree.
8. Split type occipital plate as claimed in claim 1, is characterized in that, described in wear excellent hole (18) for manhole.
9. Split type occipital plate as claimed in claim 1, is characterized in that, described in wear excellent hole (18) for 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 CN102488549A (en) | 2012-06-13 |
| CN102488549B true 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 |
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| CN (1) | CN102488549B (en) |
Citations (3)
| 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 |
| CN101909536A (en) * | 2007-10-24 | 2010-12-08 | 纽瓦西弗公司 | Surgical fixation system and related methods |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060155284A1 (en) * | 2005-01-07 | 2006-07-13 | Depuy Spine Sarl | Occipital plate and guide systems |
| 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 (3)
| 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 |
| CN101909536A (en) * | 2007-10-24 | 2010-12-08 | 纽瓦西弗公司 | Surgical fixation system and related methods |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102488549A (en) | 2012-06-13 |
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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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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. |