CN205215458U - Zero notch of side approach fuses ware - Google Patents
Zero notch of side approach fuses ware Download PDFInfo
- Publication number
- CN205215458U CN205215458U CN201521015613.9U CN201521015613U CN205215458U CN 205215458 U CN205215458 U CN 205215458U CN 201521015613 U CN201521015613 U CN 201521015613U CN 205215458 U CN205215458 U CN 205215458U
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- hole
- fusion
- ware
- approach zero
- fixed body
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Abstract
The utility model discloses a zero notch of side approach fuses ware, including fusing the ware body and the fixed body, merge the ware body for a type cuboid structure, including upper and lower surface and lateral wall in the orientation of long limit, it link up two of fusing the upper and lower surface of the ware body and plants bone hole to fuse being provided with of around the middle part of ware body symmetry, the fixed body and integration ware body fixed connection, the upper and lower position of the fixed body all is provided with the ball socket, the ball socket is implanted there is locking screw. The utility model discloses the setting of 90 surperficial teeth about the fixed body and integration ware are personally experienced sth. Part of the body, it is more firm with being connected of lumbar vertebrae to make the integration ware personally experience sth. Part of the body, prevents, and it is more stable that the messenger implants the effect, locking screw's the slope setting and the inclined plane screw thread of screw tail portion set up, make locking screw twist the lumbar vertebrae body more easily, increase the convenience of implanting, front end at whole integration ware sets up the pilot pin, rear end setting device tool is held and is got the hole, confirms to increase simple operation nature in the fusion position easily when making the operation.
Description
Technical field
This utility model relates to medical instruments field, particularly relates to a kind of side approach zero incisura fusion device.
Background technology
Waist interbody fusion is one of method for the treatment of spinal disease, and annual increasing crowd accepts the treatment of interbody fusion.Interbody fusion comprises autologous bone transplanting and merges and allogenic bone transplantation fusion, due to autologous bone limited source, increase for district wound, can not provide the shortcoming such as mechanically stable timely that the clinical practice of interbody fusion is restricted, and allogenic bone transplantation not only costly, limited amount but also the virus disseminating caused by allograph bone and immunologic rejection be also affect its main cause in wide clinical application.In recent years, for improving bone collection fusion rate, reduce extenal fixation dependency, improve and keep the curvature of spinal column, Invasive lumbar fusion device arises at the historic moment.
After the intervertebral of existing Invasive lumbar fusion device patients with implantation, during the actions such as Invasive lumbar fusion device is swung back at spinal column, bend over, easily skid off from intervertebral.So need an implant procedure more convenient, after implantation, more stably remain on the fusion device of intervertebral.
Utility model content
The purpose of this utility model is to provide a kind of side approach zero incisura fusion device, the problem easily skidded off after solving inconvenience when fusion device is implanted, implantation.
For solving the problems of the technologies described above, this utility model adopts following technical scheme:
This utility model provides a kind of side approach zero incisura fusion device, comprises and merges body and fixed body;
Described fusion body is class rectangular structure, long side direction comprises upper and lower surface and sidewall; Merge two the bone grafting holes being provided with the through described upper and lower surface of fusion body symmetrical before and after the middle part of body; Middle part, two described bone grafting holes is provided with the first through hole of vertical with extension direction, bone grafting hole and through described fusion device body sidewall; Described fusion body right-hand member both sides are provided with the notch on band inclined-plane;
The two ends, left and right of described fixed body are provided with the convex on band inclined-plane, realize being fixedly connected with of described fixed body and described fusion body by cooperatively interacting of described convex and described notch; The upper and lower parts of described fixed body are provided with ball-and-socket; Described ball-and-socket is implanted lock-screw.
Further, bearing of trend and the described fusion body long limit bearing of trend of described ball-and-socket acutangulate, and after described ball-and-socket implants described lock-screw, described lock-screw and described fusion body are in described ball-and-socket the same side.
Further, also comprise nail pressing, described fusion body right-hand member center is provided with screwed hole, and described fixed body center offers bolt hole, and described nail pressing is through screwed hole described in described bolt hole precession.
Further, described bolt hole is stepped hole, comprises apertura lateralis and inboard aperture; Described apertura lateralis diameter is greater than described inboard aperture diameter.
Further, described screwed hole is connected with the described bone grafting hole closed on; Described nail pressing axial centre position offers the second through hole.
Further, the ailhead position of described nail pressing is provided with the second arcwall face, and described second arcwall face center is provided with cross recess; Described second arcwall face is provided with two arc notch, two described arc notch are symmetrical relative to ailhead center.
Further, described fusion body right-hand member both sides are provided with the notch on band inclined-plane, and the two ends, left and right of described fixed body are provided with the convex on band inclined-plane, and described convex matches with described notch.
Further, described lock-screw comprises the head of a nail, rivet nut and nail tail, and the described head of a nail is six square grooves, and described rivet nut surface is provided with taper thread, and described nail tail surface is provided with inclined-plane screw thread.
Further, described fusion body left end is provided with locating hole, the positioning needle can developed when described locating hole interpolation enters to perform the operation; Described fixed body is provided with apparatus to hold and get hole.
Further, the described upper and lower surface of fusion body is provided with the first arcwall face, described first arcwall face is evenly placed with 90 ° of teeth.
Further, described fusion body adopts PEEK material.
Compared with prior art, Advantageous Effects of the present utility model is as follows:
The setting of this utility model fixed body and fusion body upper and lower surface 90 ° of teeth, makes the connection of fusion body and lumbar vertebra more firm, prevents from, make implantation effect more stable; The inclined-plane screw thread being obliquely installed and following closely afterbody of lock-screw is arranged, and makes lock-screw more easily be screwed into lumbar vertebral body, increases the convenience implanted; Positioning needle is set in the front end of whole fusion device, rear end arranges apparatus and hold and get hole, make easily to determine fusant position during operation, increase simple operation.
Accompanying drawing explanation
Illustrate that the utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 1 is the structure chart of this utility model side approach zero incisura fusion device;
Fig. 2 is the sectional view of A-A in Fig. 1;
Fig. 3 is the front view merging body;
Fig. 4 is the sectional view of B-B in Fig. 3;
Fig. 5 is the front view of fixed body;
Fig. 6 is the top view of fixed body;
Fig. 7 is the left view of fixed body;
Fig. 8 is the front view of nail pressing;
Fig. 9 is the left view of nail pressing;
Figure 10 is the front view of lock-screw;
Description of reference numerals: 1, positioning needle; 2, body is merged; 3, fixed body; 4, nail pressing; 5, lock-screw; 6, the first arcwall face; 7, bone grafting hole; 8, the first through hole; 9, locating hole; 10, screwed hole; 11, notch; 12, ball-and-socket; 13, apertura lateralis; 14, inboard aperture; 15, convex; 16, apparatus is held and is got hole; 17, the second arcwall face; 18, cross recess; 19, the second through hole; 20, arc notch; 21, cap is pushed up; 22, rivet nut; 23, tail is followed closely.
Detailed description of the invention
As shown in Figure 1, a kind of side approach zero incisura fusion device, comprises and merges body 2 and fixed body 3.
Described fusion body 2 is class rectangular structure, long side direction comprises upper and lower surface and sidewall; Merge two the bone grafting holes 7 being provided with the through described upper and lower surface of fusion body 2 symmetrical before and after the middle part of body 2, during operation, in bone grafting hole, fill fine grained chippings or Powdered implant, for completing the bone grafting operation of operation; Middle part, two described bone grafting holes 7 is provided with vertical and the first through hole 8 of through described fusion body 2 sidewall in direction of extending with bone grafting hole 7, planted implant can be made to flow out from bone grafting hole, enter intervertebral disc.
As shown in Fig. 2,4,6, described fusion body 2 right-hand member both sides are provided with the notch 11 on band inclined-plane, the two ends, left and right of described fixed body 3 are provided with the convex 15 on band inclined-plane, realize being fixedly connected with of described fixed body 3 and described fusion body 2 by cooperatively interacting of described convex 15 and described notch 11, be mechanically connected more stable; The upper and lower parts of described fixed body 3 are provided with ball-and-socket 12 (with reference to Fig. 7); Described ball-and-socket 12 is implanted lock-screw 5, for fixing fusion body, increases stability.
As shown in Figure 5, bearing of trend and the described fusion body 2 long limit bearing of trend of described ball-and-socket 12 acutangulate, and after described ball-and-socket 12 implants described lock-screw 5, described lock-screw 5 and described fusion body 2 are in described ball-and-socket 12 the same side (with reference to Fig. 1), tilting lock-screw can enter inside lumbar vertebra in side, and it is more convenient to operate.
As shown in Figure 2, also comprise nail pressing 4, described fusion body 2 right-hand member center is provided with screwed hole 10, described fixed body 3 center offers bolt hole, described nail pressing 4, through screwed hole 10 described in described bolt hole precession, further can ensure the connective stability merging body and fixed body.
As shown in Figure 7, described bolt hole is stepped hole, comprises apertura lateralis 13 and inboard aperture 14; Described apertura lateralis 13 diameter is greater than described inboard aperture 14 diameter, is submerged to (with reference to Fig. 2) in apertura lateralis in the ailhead position of nail pressing, reduces corner, reduce the injury to human body.
As shown in Figure 2, described screwed hole 10 is connected with the described bone grafting hole 7 closed on; Described nail pressing 4 axial centre position offers the second through hole 19, is equivalent to the through hole that another communicates with bone grafting hole.
As shown in FIG. 8 and 9, the ailhead position of described nail pressing 4 is provided with the second arcwall face 17, and described second arcwall face 17 center is provided with cross recess 18; Described second arcwall face 17 is provided with two arc notch, 20, two described arc notch 20 symmetrical relative to the second arcwall face 17 center.Arc notch, when nail pressing implants fixed body, can realize the effect dodging both sides lock-screw, after assembling, by nail pressing half-twist, compresses the lock-screw of both sides, prevents lock-screw from deviating from.
As shown in Figure 4,5, described fusion body 2 right-hand member both sides are provided with the notch 11 on band inclined-plane, the two ends, left and right of described fixed body 3 are provided with the convex 15 on band inclined-plane, described convex 15 matches with described notch 11 (with reference to Fig. 2), strengthens fixed body and the stable connection degree merging body further.
As shown in Figure 10, described lock-screw 5 comprises the head of a nail 21, rivet nut 22 and nail tail 23, and the described head of a nail 21 is six square grooves, is convenient to apparatus and holds and get; Described rivet nut 22 surface is provided with taper thread, increases resisting pull out forces, strengthens the connective stability of fusion device and lumbar vertebra further, prevents from skidding off; Described nail tail 23 surface is provided with inclined-plane screw thread, is conveniently screwed into lumbar vertebral body, increases convenience.
As shown in Fig. 1,4,5, described fusion body 2 left end is provided with locating hole 9, the positioning needle 1 can developed when described locating hole 9 interpolation enters to perform the operation, and handled easily, makes the position of fusion body observe out more intuitively; Described fixed body 3 is provided with apparatus to hold and get hole 16, handled easily, controls the position of implanting.
As shown in Figure 3, the described upper and lower surface of fusion body 2 is provided with the first arcwall face 6, and described first arcwall face 6 is evenly placed with 90 ° of teeth, increases hold, prevents from, and increases the stability implanting effect further.
Described fusion body 2 adopts PEEK material, has high temperature resistant, self-lubricating, the easily excellent properties such as processing and high mechanical properties special engineering plastics, and has good blending with human body, successfully instead of traditional titanium as artificial bone.Fixed body, lock-screw and nail pressing are that proof strength selects titanium alloy material.
Above-described embodiment is only be described optimal way of the present utility model; not scope of the present utility model is limited; under the prerequisite not departing from this utility model design spirit; the various distortion that those of ordinary skill in the art make the technical solution of the utility model and improvement, all should fall in protection domain that this utility model claims determine.
Claims (10)
1. a side approach zero incisura fusion device, is characterized in that: comprise and merge body (2) and fixed body (3);
Described fusion body (2) is class rectangular structure, long side direction comprises upper and lower surface and sidewall; Merge two the bone grafting holes (7) being provided with the upper and lower surface of through described fusion body (2) symmetrical before and after the middle part of body (2); Two described bone grafting hole (7) middle parts are provided with first through hole (8) of vertical with bone grafting hole (7) extension direction and through described fusion body (2) sidewall; Described fusion body (2) right-hand member both sides are provided with the notch (11) on band inclined-plane;
The two ends, left and right of described fixed body (3) are provided with the convex (15) on band inclined-plane, realize being fixedly connected with of described fixed body (3) and described fusion body (2) by cooperatively interacting of described convex (15) and described notch (11); The upper and lower parts of described fixed body (3) are provided with ball-and-socket (12); Described ball-and-socket (12) is implanted lock-screw (5).
2. side according to claim 1 approach zero incisura fusion device, it is characterized in that: bearing of trend and described fusion body (2) the long limit bearing of trend of described ball-and-socket (12) acutangulate, and after described ball-and-socket (12) implants described lock-screw (5), described lock-screw (5) and described fusion body (2) are in described ball-and-socket (12) the same side.
3. side according to claim 1 approach zero incisura fusion device, it is characterized in that: also comprise nail pressing (4), described fusion body (2) right-hand member center is provided with screwed hole (10), described fixed body (3) center offers bolt hole, and described nail pressing (4) is through screwed hole (10) described in described bolt hole precession.
4. side according to claim 3 approach zero incisura fusion device, is characterized in that: described bolt hole is stepped hole, comprises apertura lateralis (13) and inboard aperture (14); Described apertura lateralis (13) diameter is greater than described inboard aperture (14) diameter.
5. side according to claim 3 approach zero incisura fusion device, is characterized in that: described screwed hole (10) is connected with the described bone grafting hole (7) of closing on; Described nail pressing (4) axial centre position offers the second through hole (19).
6. according to the side approach zero incisura fusion device in claim 3-5 described in any one, it is characterized in that: the ailhead position of described nail pressing (4) is provided with the second arcwall face (17), described second arcwall face (17) center is provided with cross recess (18); Described second arcwall face (17) is provided with two arc notch (20), two described arc notch (20) are symmetrical relative to the second arcwall face (17) center.
7. side according to claim 1 approach zero incisura fusion device, it is characterized in that: described lock-screw (5) comprises the head of a nail (21), rivet nut (22) and nail tail (23), the described head of a nail (21) is six square grooves, described rivet nut (22) surface is provided with taper thread, and described nail tail (23) surface is provided with inclined-plane screw thread.
8. side according to claim 1 approach zero incisura fusion device, it is characterized in that: described fusion body (2) left end is provided with locating hole (9), the positioning needle (1) can developed when described locating hole (9) interpolation enters to perform the operation; Described fixed body (3) is provided with apparatus to hold and get hole (16).
9. according to the side approach zero incisura fusion device in claim 1-5 or 7,8 described in any one, it is characterized in that: the upper and lower surface of described fusion body (2) is provided with the first arcwall face (6), described first arcwall face (6) is evenly placed with 90 ° of teeth.
10. according to the side approach zero incisura fusion device in claim 1-5 or 7,8 described in any one, it is characterized in that: described fusion body (2) adopts PEEK material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521015613.9U CN205215458U (en) | 2015-12-09 | 2015-12-09 | Zero notch of side approach fuses ware |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521015613.9U CN205215458U (en) | 2015-12-09 | 2015-12-09 | Zero notch of side approach fuses ware |
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| Publication Number | Publication Date |
|---|---|
| CN205215458U true CN205215458U (en) | 2016-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521015613.9U Withdrawn - After Issue CN205215458U (en) | 2015-12-09 | 2015-12-09 | Zero notch of side approach fuses ware |
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| Country | Link |
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| CN (1) | CN205215458U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105287062A (en) * | 2015-12-09 | 2016-02-03 | 北京市富乐科技开发有限公司 | Lateral-admission-passage zero-incisure fusion cage |
| CN108078656A (en) * | 2018-01-31 | 2018-05-29 | 贾志强 | A kind of expansion type Invasive lumbar fusion device for applying to minimally invasive spine surgical |
| CN111419377A (en) * | 2020-03-29 | 2020-07-17 | 上海长征医院 | Carbon fiber pedicle screw and manufacturing method thereof |
| CN113367858A (en) * | 2021-05-21 | 2021-09-10 | 北京纳通医疗科技控股有限公司 | Fusion cage and fusion device comprising same |
-
2015
- 2015-12-09 CN CN201521015613.9U patent/CN205215458U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105287062A (en) * | 2015-12-09 | 2016-02-03 | 北京市富乐科技开发有限公司 | Lateral-admission-passage zero-incisure fusion cage |
| CN108078656A (en) * | 2018-01-31 | 2018-05-29 | 贾志强 | A kind of expansion type Invasive lumbar fusion device for applying to minimally invasive spine surgical |
| CN108078656B (en) * | 2018-01-31 | 2024-01-02 | 贾志强 | Expansion type interbody fusion cage applied to minimally invasive spine surgery |
| CN111419377A (en) * | 2020-03-29 | 2020-07-17 | 上海长征医院 | Carbon fiber pedicle screw and manufacturing method thereof |
| CN113367858A (en) * | 2021-05-21 | 2021-09-10 | 北京纳通医疗科技控股有限公司 | Fusion cage and fusion device comprising same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170301 Address after: 101204 West Beijing District of Pinggu City Mafang Industrial Zone No. 50 Patentee after: Beijing Fule Science & Technology Development Co., Ltd. Patentee after: Hu Huanyu Address before: 101204 West Beijing District of Pinggu City Mafang Industrial Zone No. 50 Patentee before: Hu Huanyu |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20160511 Effective date of abandoning: 20170627 |
|
| AV01 | Patent right actively abandoned |