CN105078562A - Medical screw with connector - Google Patents
Medical screw with connector Download PDFInfo
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- CN105078562A CN105078562A CN201510112048.6A CN201510112048A CN105078562A CN 105078562 A CN105078562 A CN 105078562A CN 201510112048 A CN201510112048 A CN 201510112048A CN 105078562 A CN105078562 A CN 105078562A
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Abstract
The invention provides a medical screw with a connector. The medical screw comprises the connector and a screw body, a first passage and a second passage which are parallelly arranged transversely are arranged in a manner of penetrating the connector and used for locking a medical fixing rod, a threaded hole is formed in a position, perpendicular to each of the first passage and the second passage, of the connector, and the end of the screw body is connected with the lower end of the connector. During working, the threaded holes are matched with screw plugs through which the medical fixing rods in the first passage and the second passage are compressed and locked. According to different degrees of scoliosis, the connector mainly has three implementation structure, namely two long-groove passages, two penetrating-hole passages and a combination of a long-groove passage and a penetrating-hole passage. By the medical screw, scoliosis of a patient can by corrected effectively while probability of spinal growth and development is reserved.
Description
Technical field
The present invention relates to a kind of medical apparatus and instruments, particularly relate to a kind of Medical screw with adapter being used for the treatment of juvenile distortion.
Background technology
The serious scoliosis for the treatment of child uses so-called growing rod device system (being called for short growing rod system) usually, the object of its therapy is by Operation internal fixation device in order to correct the scoliosis distortion of patient, the probability of preservation spinal growth promoter simultaneously.Current normally used growing rod system, based on the principle strutting prolongation, mainly comprises staple (i.e. pedicle screw) or fixation hook, hold-down bars and adjustable connector.Staple or fixation hook are planted on the vertebral body at the head and the tail two ends of flexural deformation spinal column in operation, two hold-down bars are used to connect two ends staple or fixation hook, at middle part, two hold-down bars adjustable connectors are connected, the key step of spine correcting is: the staple at locking spinal column head and the tail two ends or fixation hook, unclamp middle part adjustable connector and for fulcrum, two hold-down bars pushed open to two ends with it, until bending spinal column obtains satisfied stretching position, then adjustable connector locking hold-down bars is maintained the rectification effect of spinal column.After the procedure, in order to not affect the growth promoter of patient's child spinal column, regularly (generally at six months to 1 year) is needed to repeat operation, adjustable connector is unclamped during operation, remove its locking to hold-down bars, then hold-down bars is strutted to head and the tail two ends the growth coordinating patient's spinal column again, finally locking hold-down bars again.
Although this growing rod system achieves good therapeutic effect in Clinical practice, but still there is wretched insufficiency, main cause is the rotation of scoliosis with spinal column, and this rotation may aggravate and bring out further scoliosis, in above-mentioned growing rod system, the standing part (i.e. staple or fixation hook) of whole apparatus is positioned at the head and the tail two ends of deformed spine, hold-down bars and adjustable connector only provide the support for two ends but the rotation of uncontrollable spinal column, this growing rod is so just made to have larger shortcoming in rectification lateral bending and maintenance rectification effect.Because hold-down bars realizes the support to two ends, both sides together with the adjustable connector being positioned at middle part, the bending effect that can affect rectification that hold-down bars generation is larger under load effect also can cause some instrument failure, as hold-down bars fractures, therefore need a kind of related medical apparatus solved the problems of the technologies described above.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of Medical screw with adapter that can ensure spine correcting effect, effectively prevent spinal column from rotating, to overcome the above-mentioned defect of prior art.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme: a kind of Medical screw with adapter, comprise adapter and screw, the first passage and second channel that laterally be arranged in parallel is offered through described adapter, described first passage and second channel are used for the medical hold-down bars of locking, described adapter has a screwed hole perpendicular to described first passage and second channel, and the end of described screw is connected with the lower end of adapter; During work, described screwed hole coordinates with plug screw, by plug screw, the medical hold-down bars in first passage and second channel is compressed locking.
Preferably, described first passage and second channel are and offer elongated slot on the connectors.
Preferably, described first passage and second channel are the through hole offered on the connectors.
Preferably, described first passage is the elongated slot offered on the connectors, and described second channel is the through hole offered on the connectors.
Preferably, described two screw holes are vertically offered on the connectors from the end face of adapter.
Preferably, the end of described screw is fixedly connected with the lower end of adapter.
Preferably, the end of described screw and the lower end of adapter are hinged.
As mentioned above, a kind of Medical screw with adapter of the present invention, there is following beneficial effect: the adapter in the present invention mainly comprises three kinds and implements structure, namely the passage of two longitudinals, two passages running through cellular type and longitudinal passage run through cellular type passage combine with one, according to the different situations of patient child in spine correcting operation, select suitable version.The present invention effectively can not only correct the scoliosis distortion of patient, and the probability of preservation spinal growth promoter, can not affect bone growth and development simultaneously.
Accompanying drawing explanation
Fig. 1 is the first embodiment schematic diagram of the present invention.
Fig. 2 is the second embodiment schematic diagram of the present invention.
Fig. 3 is the third embodiment schematic diagram of the present invention.
Fig. 4 is the present invention's the 4th kind of embodiment schematic diagram.
Fig. 5 is the present invention's the 5th kind of embodiment schematic diagram.
Fig. 6 is the present invention's the 6th kind of embodiment schematic diagram.
Fig. 7 is the present invention's the 7th kind of embodiment schematic diagram.
Fig. 8 be the present invention with hold-down bars and plug screw coordinate schematic diagram.
Fig. 9 is using method schematic diagram of the present invention.
In figure: 1 adapter 2 screw
11 first passage 12 second channels
13 screwed hole 14 screwed holes
15 ball-and-socket 21 bulbs
3 hold-down bars 4 plug screws
51 pedicle screw 52 pedicle screws
Detailed description of the invention
The structure that Figure of description illustrates, ratio, size etc., content all only in order to coordinate description to disclose, understand for person skilled in the art scholar and read, and be not used to limit the enforceable qualifications of the present invention, therefore the not technical essential meaning of tool, the adjustment of the modification of any structure, the change of proportionate relationship or size, is not affecting under effect that the present invention can produce and the object that can reach, and all should still drop in scope that disclosed technology contents can contain.Simultaneously, quote in this description as " on ", D score, "front", "rear", the term such as " centre ", also only for ease of understanding of describing, and be not used to limit the enforceable scope of the present invention, the change of its relativeness or adjustment, under changing technology contents without essence, when being also considered as the enforceable category of the present invention.
As shown in Fig. 1-Fig. 7, a kind of Medical screw with adapter of the present invention, comprise adapter 1 and screw 2, the first passage 11 and second channel 12 that laterally be arranged in parallel is offered through described adapter 1, described first passage 11 and second channel 12, for the medical hold-down bars of locking (hereinafter referred to as hold-down bars), described adapter 1 have a screwed hole 13,14 perpendicular to described first passage 11 and second channel 12.During work, described screwed hole 13,14 coordinates with plug screw, by plug screw, the hold-down bars in first passage 11 and second channel 12 is compressed locking.The end of screw 2 of the present invention is connected with the lower end of adapter 1, namely according to the surgery situation needs of reality, when manufacturing, described screw 2 can be connected with the optional position of adapter 1 lower end, such as shown in Fig. 7, described screw 2 is connected to the interposition of adapter 1 lower end, and such as, shown in Fig. 8, described screw 2 is in deflection first passage 11 side, adapter 1 lower end or deflection second channel 12 side.In the present invention, for the ease of the operation of operation, described two screw holes 13,14 are vertically opened in adapter 1 from the end face of adapter 1, thus facilitate doctor that plug screw is directly screwed in screwed hole 13,14 above adapter 1.
According to the needs of actual service condition, first passage 11 of the present invention and second channel 12 have three kinds of versions, as described below.
Embodiment one: as shown in Figure 1, described first passage 11 and second channel 12 are and are opened in elongated slot on adapter 1, and described elongated slot is opened in the end face of adapter 1.Use in the operation of this structure mainly when juvenile is serious, reason to cause the hold-down bars be connected with spinal column head and the tail two ends to diverge angle comparatively greatly, acquires a certain degree of difficulty at the operation technique be arranged on adapter 1 by two hold-down bars.And this structure offers elongated slot on adapter 1, during operation, two hold-down bars are directly placed on elongated slot from top, bring conveniently to the operation technique of doctor, reduce operation easier.
Embodiment two: as shown in Figure 2, described first passage 11 and second channel 12 are the through hole be opened on adapter 1.Use in the operation of this structure mainly when juvenile is slight, reason is when juvenile is slight, to diverge angle less with the hold-down bars that is connected of spinal column head and the tail two ends, operation during operation is comparatively easy, so the connective stability in order to improve hold-down bars and adapter 1, adopting structure in the present embodiment, during operation, two hold-down bars being inserted in two through holes respectively, then locking is compressed with plug screw, good working effect.
Embodiment three: as shown in Figure 3, described first passage 11 is opened in the elongated slot on adapter 1, described second channel 12 is opened in the through hole on adapter 1, this structure mainly uses in operation when juvenile degree is between slight and serious, at guarantee operation technique simultaneously easily, the connective stability of hold-down bars and adapter is ensured.
In above-mentioned any embodiment, as shown in Figure 1-Figure 3, the end of described screw 2 is all fixedly connected with the lower end of adapter 1, and concrete structure can be directly worn from top by screw 2 to be fixed on adapter 1; As Figure 4-Figure 6, the end of described screw 2 also can be hinged with the lower end of adapter 1, and its embodiment is provided with bulb 21 in the end of screw 2, and adapter 1 is provided with ball-and-socket 15, and described bulb 21 and ball-and-socket 15 match.Embodiment in Fig. 7 both can adopt screw 2 to be fixedly connected with the lower end of adapter 1, and screw 2 also can be adopted to be hinged with the lower end of adapter 1.The structure in Fig. 1-Fig. 3 is used when generally infant-growth is slower, the effect of correcting can be guaranteed like this, if infant-growth is very fast, then use the structure in Fig. 4-Fig. 6, reason is when infant-growth is very fast, distance increase between described spinal column head and the tail also can be very fast, will allow between hold-down bars and spinal column so as far as possible and have certain activity, prevent from hold-down bars and adapter 1 to be rigidly connected affecting vertebra growth, this structure is by adapter 1 and screw 2 is hinged can provide certain buffering leeway for the growth of skeleton.
Composition graphs 3, Fig. 8 and Fig. 9, using method of the present invention is: when performing the operation, two pedicle screws 51,52 are implanted respectively spinal column head and the tail two ends, then the present invention is also implanted on the centre position of spinal column by screw 2, get a hold-down bars 3, in pedicle screw 51 groove its two ends being placed on respectively spinal column head and in the first passage 11 of adapter 1, then also pretension is coordinated to be pressed against on hold-down bars 4 respectively with groove and first passage 11 with plug screw 4; Get a hold-down bars 3 again, in pedicle screw 52 groove its two ends being placed on respectively spinal column afterbody and in the second channel 12 of adapter 1, then also pretension is coordinated to be pressed against on hold-down bars 4 respectively with groove and second channel 12 with plug screw 4, correct and be that hold-down bars 4 is reserved and enough strutted length, finally the plug screw 4 in the groove on pedicle screw 51,52 and first passage 11, second channel 12 is screwed and hold-down bars 4 is compressed locking, thus the rectification completing spinal column is fixed.Subsequent procedures operation can be carried out after completing above-mentioned work.
In sum, a kind of Medical screw with adapter of the present invention, the scoliosis being connected to correct patient by Operation human body and with spinal column is out of shape, simultaneously the probability of preservation spinal growth promoter.So the present invention effectively overcomes practical problems more of the prior art thus has very high value and use meaning.
Above-mentioned embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.The present invention also has many aspects can improve under the prerequisite of overall thought, all without prejudice under spirit of the present invention and category, can modify above-described embodiment or change for person skilled in the art scholar.Therefore, such as have in art usually know the knowledgeable do not depart from complete under disclosed spirit and technological thought all equivalence modify or change, must be contained by claim of the present invention.
Claims (7)
1. the Medical screw with adapter, it is characterized in that: comprise adapter (1) and screw (2), the first passage (11) and second channel (12) that laterally be arranged in parallel is offered through described adapter (1), described first passage (11) and second channel (12) are for the medical hold-down bars of locking, described adapter (1) has a screwed hole (13 perpendicular to described first passage (11) and second channel (12), 14), the end of described screw (2) is connected with the lower end of adapter (1), during work, described screwed hole (13,14) coordinates with plug screw, by plug screw, the medical hold-down bars in first passage (11) and second channel (12) is compressed locking.
2. a kind of Medical screw with adapter according to claim 1, is characterized in that: described first passage (11) and second channel (12) are and are opened in the upper elongated slot of adapter (1).
3. a kind of Medical screw with adapter according to claim 1, is characterized in that: described first passage (11) and second channel (12) are the through hole be opened on adapter (1).
4. a kind of Medical screw with adapter according to claim 1, it is characterized in that: described first passage (11) is opened in the elongated slot on adapter (1), described second channel (12) is opened in the through hole on adapter (1).
5. a kind of Medical screw with adapter according to claim 1, is characterized in that: described two screw holes (13,14) are vertically opened in adapter (1) from the end face of adapter (1).
6. a kind of Medical screw with adapter according to claim 1-5 Arbitrary Term, is characterized in that: the end of described screw (2) is fixedly connected with the lower end of adapter (1).
7. a kind of Medical screw with adapter according to claim 1-5 Arbitrary Term, is characterized in that: the end of described screw (2) and the lower end of adapter (1) are hinged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510112048.6A CN105078562A (en) | 2015-03-13 | 2015-03-13 | Medical screw with connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510112048.6A CN105078562A (en) | 2015-03-13 | 2015-03-13 | Medical screw with connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105078562A true CN105078562A (en) | 2015-11-25 |
Family
ID=54560525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510112048.6A Pending CN105078562A (en) | 2015-03-13 | 2015-03-13 | Medical screw with connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105078562A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105963006A (en) * | 2016-04-22 | 2016-09-28 | 深圳市斯玛仪器有限公司 | Vertebral pedicle fixator and fixing system |
| CN109549696A (en) * | 2017-09-27 | 2019-04-02 | 上海三友医疗器械股份有限公司 | A kind of adjustable double flute internal fixation device of spine and bone screws |
| CN111329568A (en) * | 2020-04-03 | 2020-06-26 | 贵州医科大学附属医院 | Flexible combined fixing device for spine |
| CN113440236A (en) * | 2021-06-22 | 2021-09-28 | 浙江德康医疗器械有限公司 | Domino connection system |
| US11311317B2 (en) | 2019-09-25 | 2022-04-26 | Stelios KOUTSOUMBELIS | Spinal fixation device with rotatable connector |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101366656A (en) * | 2007-08-16 | 2009-02-18 | 上海锐植医疗器械有限公司 | Dynamic spine internal fixation system |
| CN101601606A (en) * | 2009-06-30 | 2009-12-16 | 郑修军 | The fixed novel vertebral pedicle bolt structure that is used for that lumbar vertebra compression fracture resets and lumbar spondylolisthesis resets |
| US20100087865A1 (en) * | 2008-10-08 | 2010-04-08 | Lutz Biedermann | Bone anchoring device and stabilization device for bone parts or vertebrae comprising such a bone anchoring device |
| CN102028531A (en) * | 2010-12-20 | 2011-04-27 | 常州市康辉医疗器械有限公司 | Dynamic scoliosis correction device |
| CN202982193U (en) * | 2013-01-05 | 2013-06-12 | 山东威高骨科材料有限公司 | Double-linked pedicle screw |
| CN204562352U (en) * | 2015-03-13 | 2015-08-19 | 上海三友医疗器械有限公司 | A kind of Medical screw with adapter |
-
2015
- 2015-03-13 CN CN201510112048.6A patent/CN105078562A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101366656A (en) * | 2007-08-16 | 2009-02-18 | 上海锐植医疗器械有限公司 | Dynamic spine internal fixation system |
| US20100087865A1 (en) * | 2008-10-08 | 2010-04-08 | Lutz Biedermann | Bone anchoring device and stabilization device for bone parts or vertebrae comprising such a bone anchoring device |
| CN101601606A (en) * | 2009-06-30 | 2009-12-16 | 郑修军 | The fixed novel vertebral pedicle bolt structure that is used for that lumbar vertebra compression fracture resets and lumbar spondylolisthesis resets |
| CN102028531A (en) * | 2010-12-20 | 2011-04-27 | 常州市康辉医疗器械有限公司 | Dynamic scoliosis correction device |
| CN202982193U (en) * | 2013-01-05 | 2013-06-12 | 山东威高骨科材料有限公司 | Double-linked pedicle screw |
| CN204562352U (en) * | 2015-03-13 | 2015-08-19 | 上海三友医疗器械有限公司 | A kind of Medical screw with adapter |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105963006A (en) * | 2016-04-22 | 2016-09-28 | 深圳市斯玛仪器有限公司 | Vertebral pedicle fixator and fixing system |
| CN109549696A (en) * | 2017-09-27 | 2019-04-02 | 上海三友医疗器械股份有限公司 | A kind of adjustable double flute internal fixation device of spine and bone screws |
| CN109549696B (en) * | 2017-09-27 | 2024-03-22 | 上海三友医疗器械股份有限公司 | Adjustable double-groove spine internal fixation device and bone screw |
| US11311317B2 (en) | 2019-09-25 | 2022-04-26 | Stelios KOUTSOUMBELIS | Spinal fixation device with rotatable connector |
| CN111329568A (en) * | 2020-04-03 | 2020-06-26 | 贵州医科大学附属医院 | Flexible combined fixing device for spine |
| CN111329568B (en) * | 2020-04-03 | 2023-04-11 | 贵州医科大学附属医院 | Flexible combined fixing device for spine |
| CN113440236A (en) * | 2021-06-22 | 2021-09-28 | 浙江德康医疗器械有限公司 | Domino connection system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Xuejun Inventor after: Liu Mingyan Inventor before: Zhang Xuejun Inventor before: Liu Mingyan Inventor before: Huang Jiachun |
|
| COR | Change of bibliographic data | ||
| CB02 | Change of applicant information |
Address after: 201807 Jiading District Jia Tang Road, Shanghai, No. 1988 Applicant after: Shanghai Sanyou medical equipment Limited by Share Ltd Address before: 201807 Jiading District Jia Tang Road, Shanghai, No. 1988 Applicant before: Shanghai Sanyou Medical Devices Co., Ltd. |
|
| COR | Change of bibliographic data | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151125 |