CN109730816A - an intervertebral fusion device - Google Patents
an intervertebral fusion device Download PDFInfo
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- CN109730816A CN109730816A CN201910208167.XA CN201910208167A CN109730816A CN 109730816 A CN109730816 A CN 109730816A CN 201910208167 A CN201910208167 A CN 201910208167A CN 109730816 A CN109730816 A CN 109730816A
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- baffle
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- bone graft
- intervertebral
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Abstract
本发明公开了一种椎间融合器，解决了现有椎间融合器被击入椎间时植骨腔内的碎骨随之抖落的问题，包括椎间融合器、与椎间融合器配套使用的放置枪，所述椎间融合器包括作为前进端的前端、作为推入端的后端、设置在前端和后端之间且用于放置碎骨的植骨腔，所述植骨腔在竖直方向上贯穿椎间融合器，所述椎间融合器内沿植骨腔腔口方向设置有挡板放置环槽，所述挡板放置环槽延伸出后端，所述椎间融合器的后端设置有与放置枪的推进端相匹配的推进孔，所述放置枪的推进端设置连接有用于封闭植骨腔的挡板，所述挡板与挡板放置环槽相适应。本发明采用上述结构的椎间融合器，挡板可以有效的将碎骨封闭在植骨腔内，防止碎骨抖出。
The invention discloses an intervertebral fusion device, which solves the problem that the broken bone in the bone graft cavity shakes off when the existing intervertebral fusion device is driven into the intervertebral body. A matching placement gun, the intervertebral cage includes a front end as an advancing end, a rear end as a pushing end, a bone graft cavity arranged between the front end and the rear end and used for placing broken bones, the bone graft cavity is located in the The intervertebral cage runs through the intervertebral cage in the vertical direction, and a baffle placing ring groove is arranged in the intervertebral cage along the direction of the mouth of the bone graft cavity, and the baffle placing ring groove extends out of the rear end. The rear end is provided with a push hole matching the push end of the placement gun, the push end of the placement gun is provided with a baffle plate for closing the bone graft cavity, and the baffle plate is adapted to the baffle placement ring groove. The present invention adopts the intervertebral cage with the above-mentioned structure, and the baffle plate can effectively seal the broken bone in the bone graft cavity and prevent the broken bone from shaking out.
Description
Technical field
The invention belongs to the field of medical instrument technology, and in particular to a kind of Invasive lumbar fusion device.
Background technique
Invasive lumbar fusion device depressurizes fixed Intervertebral fusion after being mainly used for discectomy, will subtract in Invasive lumbar fusion device
Crushing bone is filled in it, and autologous bone can increase fusion rate, it is therefore desirable to which autologous bone filling contact decompression vertebral bone face is being merged
Want the larger window of indwelling to meet bone grafting needs in device.
Setting for Invasive lumbar fusion device stays window not closed at present, is to allow the autologous bone of filling to contact vertebral bone up and down
Face guarantees syncretizing effect.But it needs firmly to be driven into during Invasive lumbar fusion device implantation is interpyramidal, exactly because indwelling window is out
Structure is put, therefore fills the broken influential point of bone and is shaked out from indwelling window, the autologous bone shaked out, which is fallen to the ground, will receive pollution, influence normally to make
With causing self in Invasive lumbar fusion device furthermore, it is possible to which the autologous bone shaken off during being driven into is not found by behaviour personnel
Bone is omitted, if finding after Invasive lumbar fusion device is implanted into centrum, is difficult to the autologous bone that will be missed and is reentered into intervertebral again to melt
In clutch, the normal recovery of postoperative patient will affect.Therefore, it is necessary to research and develop the new Invasive lumbar fusion device of one kind to solve above-mentioned ask
Topic.
Summary of the invention
The invention discloses a kind of Invasive lumbar fusion device, when solving existing Invasive lumbar fusion device and being driven between centrum, bone grafting chamber
The interior broken influential point of bone is shaken therewith to the problem outside bone grafting chamber, and the present invention closes the bone grafting chamber after bone grafting by baffle, broken
Bone is closed in that bone grafting is intracavitary, and in Invasive lumbar fusion device implantation process, broken bone will not be shaken off out therewith.
The present invention to achieve the above object, is achieved through the following technical solutions:
A kind of Invasive lumbar fusion device, it is characterised in that described including Invasive lumbar fusion device and the matching used placement rifle of Invasive lumbar fusion device
Invasive lumbar fusion device includes the front end as preceding inlet side, the rear end as push-in end, is arranged between front-end and back-end and for putting
The bone grafting chamber of broken bone is set, the bone grafting chamber runs through Invasive lumbar fusion device in the vertical direction, and the Invasive lumbar fusion device is interior along bone grafting chamber
Accent direction is provided with baffle and places annular groove, and the baffle places annular groove and extends rear end, and the rear end of the Invasive lumbar fusion device is set
It is equipped with the advancement holes to match with the propulsion end for placing rifle, the propulsion end setting for placing rifle is connected with for closing bone grafting chamber
Baffle, the baffle and baffle are placed annular groove and are adapted.
In the above-mentioned technical solutions, it is two that the baffle, which places the quantity of annular groove, and one of baffle places annular groove position
In the lower section of accent on bone grafting chamber, and close to the upper window of bone grafting chamber.
In the above-mentioned technical solutions, another baffle is placed annular groove and is located above the lower accent of bone grafting chamber, and close to bone grafting
Accent under chamber.
In the above-mentioned technical solutions, when the propulsion end for placing rifle enters advancement holes, baffle is inserted into baffle and places annular groove.
In the above-mentioned technical solutions, the baffle is U-shaped structure, is provided on the closed end of U-shaped structure and pushes away with placement rifle
The connecting hole of inlet side connection.
In the above-mentioned technical solutions, the connecting hole is arranged at the closed end center of U-shaped structure.
In the above-mentioned technical solutions, the open end insertion baffle of the baffle is placed in annular groove.
In the above-mentioned technical solutions, the baffle is integrated molding structure.
In conclusion being had the advantages that since present invention employs above-mentioned technical proposals
Invasive lumbar fusion device of the invention is ingenious in design, novel, is driven into vertebra in Invasive lumbar fusion device for the intracavitary broken bone of bone grafting
Shake off phenomenon between bone, by baffle plate setting on the push-in end for placing rifle, while placement rifle is connect with Invasive lumbar fusion device, baffle
It is inserted into corresponding baffle to place in annular groove, whole operation process is simple, not will increase operating time.
Invasive lumbar fusion device structure of the invention is simple, easy to operate, and baffle is placed annular groove and is arranged in Invasive lumbar fusion device, base
Originally the prototype structure of Invasive lumbar fusion device is had not been changed, does not influence the normal use of Invasive lumbar fusion device.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention.
Fig. 2 is the schematic diagram of the section structure of the invention.
Fig. 3 is the matching used placement rifle structural schematic diagram with baffle of the present invention.
Wherein: 1, Invasive lumbar fusion device, 2, bone grafting chamber, 3, baffle placement annular groove, 4, advancement holes, 5, propulsion end, 6, baffle, 7,
Place rifle.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
As shown in Figure 1, a kind of Invasive lumbar fusion device, including Invasive lumbar fusion device and the matching used placement rifle of Invasive lumbar fusion device.
As shown in Fig. 2, Invasive lumbar fusion device fixes Intervertebral fusion for depressurizing after discectomy, including front end,
Rear end and the bone grafting chamber being arranged between front-end and back-end.Front end is inserted between vertebra at first as preceding inlet side, sub warhead can be used
Structure is conducive to the insertion of Invasive lumbar fusion device.Rear end is connect as push-in end with rifle is placed, and rear end is provided with and places rifle
The advancement holes for promoting end to match after placement rifle is connect with advancement holes, can make entire vertebra by placing the progradation of rifle
Between fusion device be pushed between vertebra.Bone grafting chamber is for placing broken bone, and bone grafting chamber runs through Invasive lumbar fusion device in the vertical direction, i.e.,
The upper accent of bone grafting chamber is in the upper surface of Invasive lumbar fusion device, and the lower accent of bone grafting chamber is in the lower surface of Invasive lumbar fusion device.
After broken bone is placed on bone grafting chamber, it is closed by baffle.Placement rifle structural schematic diagram as shown in Figure 3,
One end of rifle is placed as end is held, is provided with handle and adjustable side, the other end promotes end and Invasive lumbar fusion device as end is promoted
After connection, is driven by rotation adjustable side and end is promoted to be moved forward and backward.The propulsion end for placing rifle is connect with advancement holes and clamping, baffle
The propulsion end for placing rifle is set.In order to place baffle, being completely enclosed within broken bone, bone grafting is intracavitary, and Invasive lumbar fusion device is interior along plant
The accent direction of bone cavity is provided with baffle and places annular groove, and baffle places annular groove and baffle is adapted, and baffle is placed annular groove and extended
The rear end of Invasive lumbar fusion device out, convenient for the insertion of baffle.Due to be sealed to the entirety of bone grafting chamber, baffle places ring
The quantity of slot is two.One of baffle places the lower section that annular groove is located at accent on bone grafting chamber, and close to the upper of upper bone grafting chamber
Accent, baffle are placed in annular groove in the baffle and are closed to accent on bone grafting chamber；Another baffle places annular groove and is located at bone grafting
Above the lower accent of chamber, and close to the lower accent of bone grafting chamber, baffle accent in the case where the baffle is placed in annular groove to bone grafting chamber is carried out
Closing.
Since baffle needs simultaneously to close the upper accent of bone grafting chamber and lower accent, U-shaped knot is can be used in baffle
Structure, and integrated molding.The connecting hole for promoting end to connect with placement rifle is provided on the closed end of U-shaped structure, due to intervertebral
Fusion device is axially symmetric structure, and further connecting hole is arranged at the closed end center of U-shaped structure.It wears at the propulsion end for placing rifle
It crosses connecting hole to be fixedly connected with the baffle of U-shaped structure, the open end insertion baffle of baffle is placed in annular groove.
Invasive lumbar fusion device is used cooperatively process with the placement rifle with baffle are as follows: autologous bone (broken bone) is put into bone grafting first
It is intracavitary, the open end in push-in hole, placement rifle overhead gage on the push-in end alignment Invasive lumbar fusion device for placing rifle is then directed at vertebra
Between fusion device rear end baffle place annular groove, place rifle to the direction of Invasive lumbar fusion device promote, baffle be firstly inserted into baffle placement
In annular groove, continue to promote with placement rifle, the propulsion end for placing rifle is initially inserted into the advancement holes of Invasive lumbar fusion device, continues to press on
Placing rifle makes baffle be entirely insertable baffle placement annular groove, while placing rifle and promoting end corresponding position insertion advancement holes and by card
Tightly, it places rifle at this time to be connected and fixed with Invasive lumbar fusion device, baffle is by bone grafting chamber complete closure.Then pass through the placement with baffle
Entire Invasive lumbar fusion device is inserted between corresponding vertebra by rifle, is reached extraction behind designated position and is placed rifle, at the same baffle also therewith from
Extraction, bone grafting chamber the blocking even without baffle of Invasive lumbar fusion device at this time, since Invasive lumbar fusion device is slotting in baffle annular groove
Between entering vertebra, the epipyramis connecting with Invasive lumbar fusion device closes accent on bone grafting chamber, connect down with Invasive lumbar fusion device
Vertebra closes accent under bone grafting chamber, needs to use instead unbaffled placement rifle even if subsequent and strikes to Invasive lumbar fusion device
Specified state is reached, the intracavitary broken bone of bone grafting will not be fallen out with shaking off for Invasive lumbar fusion device.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910208167.XA CN109730816A (en) | 2019-03-19 | 2019-03-19 | an intervertebral fusion device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910208167.XA CN109730816A (en) | 2019-03-19 | 2019-03-19 | an intervertebral fusion device |
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| CN109730816A true CN109730816A (en) | 2019-05-10 |
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| CN201910208167.XA Pending CN109730816A (en) | 2019-03-19 | 2019-03-19 | an intervertebral fusion device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111358599A (en) * | 2020-03-03 | 2020-07-03 | 广东施泰宝医疗科技有限公司 | A kind of in-situ bone grafting and secondary bone grafting interbody fusion cage and its supporting tools |
| CN113171211A (en) * | 2021-06-02 | 2021-07-27 | 上海凯利泰医疗科技股份有限公司 | A fusion device |
| CN113180892A (en) * | 2021-06-10 | 2021-07-30 | 深圳市迈捷生命科学有限公司 | Intervertebral fusion device suitable for filling pulpous artificial bone and filling tool thereof |
| CN114424988A (en) * | 2020-10-29 | 2022-05-03 | 江苏国立医疗器械有限公司 | interbody cage |
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| US20070050031A1 (en) * | 2005-08-23 | 2007-03-01 | Hamid Khosrowshahi | Spinal implant and implant inserter |
| US20160128846A1 (en) * | 2006-12-22 | 2016-05-12 | Medos International Sarl | Composite Vertebral Spacers and Instrument |
| US20090198339A1 (en) * | 2008-02-06 | 2009-08-06 | Nuvasive, Inc. | Systems and methods for spinal fusion |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111358599A (en) * | 2020-03-03 | 2020-07-03 | 广东施泰宝医疗科技有限公司 | A kind of in-situ bone grafting and secondary bone grafting interbody fusion cage and its supporting tools |
| CN114424988A (en) * | 2020-10-29 | 2022-05-03 | 江苏国立医疗器械有限公司 | interbody cage |
| CN113171211A (en) * | 2021-06-02 | 2021-07-27 | 上海凯利泰医疗科技股份有限公司 | A fusion device |
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| CN113180892A (en) * | 2021-06-10 | 2021-07-30 | 深圳市迈捷生命科学有限公司 | Intervertebral fusion device suitable for filling pulpous artificial bone and filling tool thereof |
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Application publication date: 20190510 |