CN103239279B - Automatic distraction system for jugular anterior pyramid - Google Patents
Automatic distraction system for jugular anterior pyramid Download PDFInfo
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- CN103239279B CN103239279B CN201310187492.5A CN201310187492A CN103239279B CN 103239279 B CN103239279 B CN 103239279B CN 201310187492 A CN201310187492 A CN 201310187492A CN 103239279 B CN103239279 B CN 103239279B
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Abstract
The invention relates to a jugular anterior pyramid automatic distraction system which is convenient to operate and good in stability performance and enables view to be good after operating zone location. The automatic distraction system comprises a sliding rod, two distraction rods, pyramid puncture locating pins and two operation channel devices matched with the distraction rods. Each distraction rod comprises a sliding block and a connecting rod, wherein the end of a cross rod in the connecting rod is connected with the sliding block and a through hole is arranged in a vertical rod in the connecting rod. The pyramid puncture locating pins are arranged in the through holes, and the sliding blocks are sleeved on the sliding rod. Each operation channel device is formed by a limiting column and a baffle. Each limiting column is of a three-dimensional structure, wherein the side of the limiting column is provided with an open groove which penetrates through the upper end and the lower end to form a concave cross section. Contours of the open grooves of the limiting columns are in clasping matching with outer contours of the vertical rods in the connecting rods, the outer edges of two sides of the open grooves of the limiting columns are respectively connected with one baffle, and the operation channel devices form three-dimensional shapes with the cross sections in convex shapes without bottom edges after the limiting columns are connected with the baffles. The jugular anterior pyramid automatic distraction system has the advantages of being convenient to operate and good in stability performance and enabling the view to be good after operating zone location.
Description
Technical field
The present invention relates to medical instruments field, particularly a kind of Automatic distraction system for jugular anterior pyramid.
Background technology
When spinal operation, in order to avoid the muscle of knife-edge part spinal column both sides, blood vessel, trachea, esophagus, the tissue effect operation techniques such as thyroid, the tissue of knife-edge part spinal column both sides is needed to peel off and strut, conventional a kind of clamp type retractor at present, this dilator needs when using to be positioned over respectively in the entry at the left and right sides or the upper and lower two ends remembeing operative site, rely on the operation of operation, tissue is separated to both sides, expose vertebral body, so that hands art, because the blade strength strutted is not high, blade distal end has cohesion trend, strut method single, because needs at least two dilators just can play a role, in addition when strutting cone and carrying out disc removal, also need other apparatuses auxiliary, scalpel edge needs longer, not only increase patient suffering, and postoperative being not easy is healed, art district struts less effective, affect the visual field, operation technique is complicated, increase operation risk, do not meet minimally invasive spinal surgery theory, use domestic and international similar service aisle diameter general larger clinically, use rear to paravertebral muscles, particularly multifidi equivalent damage is larger, and it is expensive, increase corrective surgery cost.
Summary of the invention
The object of the present invention is to provide a kind of easy to operate, stability is good, the Automatic distraction system for jugular anterior pyramid that location, art district rearward vision is good,
The object of the present invention is achieved like this: it comprises slide bar, two strut bar, cone Needle localization is followed closely, two with the operation path device strutting bar and coordinate, strut bar and comprise slide block, inverted L-type connecting rod, in inverted L-type connecting rod, the end of cross bar is connected to slide block, the through hole of up/down perforation is provided with in montant in inverted L-type connecting rod, cone Needle localization nail is arranged in through hole, on the sheathed slide bar of slide block, the baffle plate that operation path device is L-type by limited post and cross section is formed, so-called limited post be side opening be provided with through upper and lower side fluting formed cross section be the stereochemical structure of matrix, the grooved profile of limited post coordinates embracing with montant outline in inverted L-type connecting rod, the baffle plate of a L-type is connected respectively at limited post fluting dual-side outer edge, making operation path device form cross section after limited post is connected with baffle plate is three-dimensional shape without base " convex " font, the fluting of two operation path device limited posts is embraced reply in opposite directions and is coordinated.
Tool of the present invention has the following advantages: 1 is easy to operate, struts in process carrying out throat cone, only this apparatus need be adopted to carry out disposable strutting, and without using two dilators, strut at twice, thus save the time.2 stabilities are good, the minimizing of distraction instrument quantity improves to stability, 3 location, art district rearward visions are good, after being strutted by this dilator, two to embrace operation path device between define good region, the visual field, avoid after traditional multiple dilator struts, mutually disturb, affect the phenomenon in the visual field, art district.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model;
Fig. 2 is a kind of structural representation to the operation path device embraced;
Fig. 3 is the another kind of structural representation to the operation path device embraced;
Label declaration
1 slide bar, 2 struts bar, 3 cone Needle localization nails, 4 operation path devices, 21 slide blocks, 22L type connecting rod, 23 cross bars, 24 montants, 25 through holes, 41 limited posts, 42 baffle plates, 43 connecting plates, 44 side shields;
Detailed description of the invention
As Fig. 1, shown in 2: it comprises slide bar 1, two strut bar 2, cone Needle localization nail 3, two with the operation path device 4 strutting bar 2 and coordinate, slide bar be used for spacing two strut bar, two strut bar and can slide on slide bar, thus the amplitude that control struts, strut bar 2 and comprise slide block 21, inverted L-type connecting rod 22, in inverted L-type connecting rod 22, the end of cross bar 23 is connected to slide block 21, such skid, just can drive L-type rod slide, the through hole 25 of up/down perforation is provided with in montant 24 in inverted L-type connecting rod 22, in general, slide two and strut bar and regulate the amplitude strutted, once the amplitude strutted is applicable to, just need to be fixed strutting bar, in order to ensure to strut fixing the most firm of bar, need in cone, be fixed with cone Needle localization nail to be fixed, cone Needle localization nail 3 is arranged in through hole 25, on the sheathed slide bar 1 of slide block 21, the baffle plate 42 that operation path device 4 is L-type by limited post 41 and cross section is formed, it is the stereochemical structure of matrix that the fluting of so-called limited post 41 through upper and lower side for side opening is provided with forms cross section, the grooved profile of limited post 41 coordinates embracing with montant 24 outline in inverted L-type connecting rod 22, the baffle plate 42 of a L-type is connected respectively at limited post 41 dual-side outer edge of slotting, limited post 41 makes operation path device 4 form cross section for the three-dimensional shape without base " convex " font after being connected with baffle plate 42, the fluting of two operation path device 4 limited posts 41 is embraced reply in opposite directions and is coordinated.In the process used, the limited post of operation path device can be set in the montant part of corresponding L-type connecting rod, two define an operation path to the baffle plate that the operation path device embraced has 4 L-types altogether.Angle in L-type connecting rod between cross bar and montant can about 90 degree suitably change, or the junction of L-type connecting rod cross bar and montant can also form certain chamfering, does not affect use.
The baffle plate 42 of L-type is made up of connecting plate 43 and side shield 44, and the side of connecting plate 43 and the side of side shield 44 are interconnected, and another side of connecting plate 43 is connected with limited post 41; In two operation path devices 4, in the baffle plate 42 of one of them operation path device 4L type, the width of connecting plate 43 adds that the thickness of side shield 44 equals the width that another operation path puts connecting plate 43 in the baffle plate 42 of L-type.The side shield lateral wall of one of them operation path device both sides is affixed on the medial wall of the side shield of another operation path device both sides like this, such operation path device is in the sealing of the operation path of raising operation path device, simultaneously in the process of two operation path devices folding, side shield is avoided to damage surrounding tissue.On the basis of embodiment 1,
Two operation path devices 4, to when embracing, be positioned at the baffle plate 42 of height lower than opposite side L-type of the baffle plate 42 of the same side L-type, and the base of the baffle plate 42 of all L-types flush.In general, when doing throat cone operation, generally offer one oblique otch the beside of neck, trunnion, afterwards otch is strutted, blood vessel, the tissue distribution of otch both sides are different, in general vascular tissue distributes more side, need by highly higher baffle, otherwise, vascular tissue distributes less side, need by highly lower baffle, reducing side height of baffle plate is determine according to the structure of operation path device and operative region, can improve surgical field of view further like this.
Using method of the present invention is as follows, first before being separated respective organization to vertebral body after operative region cuts out one opening, vertebral body cone Needle localization nail is fixed in cone, afterwards the tight operation path device to embracing being separately positioned on two struts on bar, and the through hole strutting bar is inserted in locating pin inserts in otch, when insertion struts bar, need the baffle plate confirming differing heights L-type towards, guarantee that the baffle plate of highly higher L-type to distribute more side towards vascular tissue, control to strut that bar struts floats afterwards by adjustment slide block, once the amplitude strutted is applicable to, in conjunction with characteristic of the present invention, with reference to the Clinical practice mode of existing operation device for spreading, can derive, when using the present invention to carry out spinal operation, operating time can be saved about 1 ~ 2 hour.
Claims (3)
1. an Automatic distraction system for jugular anterior pyramid, it is characterized in that: it comprises slide bar (1), two strut bar (2), cone Needle localization nail (3), two with the operation path device (4) strutting bar (2) and coordinate, strut bar (2) and comprise slide block (21), inverted L-type connecting rod (22), in inverted L-type connecting rod (22), the end of cross bar (23) is connected to slide block (21), the through hole (25) of up/down perforation is provided with in montant (24) in inverted L-type connecting rod (22), cone Needle localization nail (3) is arranged in through hole (25), on slide block (21) sheathed slide bar (1), the baffle plate (42) that operation path device (4) is L-type by limited post (41) and cross section is formed, it is the stereochemical structure of matrix that the fluting of so-called limited post (41) through upper and lower side for side opening is provided with forms cross section, the grooved profile of limited post (41) coordinates embracing with montant (24) outline in inverted L-type connecting rod (22), the baffle plate (42) of a L-type is connected respectively at limited post (41) fluting dual-side outer edge, limited post (41) makes operation path device (4) form cross section after being connected with baffle plate (42) be three-dimensional shape without base " convex " font, the fluting of two operation path devices (4) limited post (41) is embraced reply in opposite directions and is coordinated.
2. Automatic distraction system for jugular anterior pyramid according to claim 1, it is characterized in that: the baffle plate (42) of L-type is made up of connecting plate (43) and side shield (44), the side of connecting plate (43) and the side of side shield (44) are interconnected, and another side of connecting plate (43) is connected with limited post (41); In two operation path devices (4), in the baffle plate (42) of one of them operation path device (4) L-type, the width of connecting plate (43) adds that the thickness of side shield (44) equals the width that another operation path puts connecting plate (43) in the baffle plate (42) of L-type.
3. Automatic distraction system for jugular anterior pyramid according to claim 1, it is characterized in that: two operation path devices (4) are to when embracing, be positioned at the baffle plate (42) of height lower than opposite side L-type of the baffle plate (42) of the same side L-type, and the base of the baffle plate of all L-types (42) flushes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310187492.5A CN103239279B (en) | 2013-05-20 | 2013-05-20 | Automatic distraction system for jugular anterior pyramid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310187492.5A CN103239279B (en) | 2013-05-20 | 2013-05-20 | Automatic distraction system for jugular anterior pyramid |
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| Publication Number | Publication Date |
|---|---|
| CN103239279A CN103239279A (en) | 2013-08-14 |
| CN103239279B true CN103239279B (en) | 2015-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310187492.5A Active CN103239279B (en) | 2013-05-20 | 2013-05-20 | Automatic distraction system for jugular anterior pyramid |
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| CN (1) | CN103239279B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103767745B (en) * | 2013-12-31 | 2015-11-18 | 王强 | A kind of anterior cervical vertebrae self-retractor system |
| CN106943166B (en) * | 2017-04-27 | 2023-11-24 | 北京大学第三医院 | Surgical spreader |
| CN107440777B (en) * | 2017-08-09 | 2020-05-08 | 中国人民解放军第二军医大学第二附属医院 | Cervical anterior rotation orthopedic vertebral body spreader |
| CN114533235B (en) * | 2022-02-24 | 2022-12-02 | 中国人民解放军总医院第七医学中心 | Children epiphyseal plate damage fixing device that resets |
Citations (5)
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|---|---|---|---|---|
| CN2776299Y (en) * | 2005-04-07 | 2006-05-03 | 康保全 | Wound open holding implement for vertebral column operation |
| CN200994798Y (en) * | 2007-01-19 | 2007-12-26 | 魏运动 | Adjusting cervical front-path supporter |
| CN201147360Y (en) * | 2008-02-21 | 2008-11-12 | 王翠荣 | Bone nail bidirectional retractor |
| CN201147359Y (en) * | 2008-02-01 | 2008-11-12 | 刘兰泽 | Anterior cervical positor |
| CN203226887U (en) * | 2013-05-20 | 2013-10-09 | 陈春美 | Automatic throat cone strutting system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050021040A1 (en) * | 2003-07-21 | 2005-01-27 | Rudolf Bertagnoli | Vertebral retainer-distracter and method of using same |
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2013
- 2013-05-20 CN CN201310187492.5A patent/CN103239279B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2776299Y (en) * | 2005-04-07 | 2006-05-03 | 康保全 | Wound open holding implement for vertebral column operation |
| CN200994798Y (en) * | 2007-01-19 | 2007-12-26 | 魏运动 | Adjusting cervical front-path supporter |
| CN201147359Y (en) * | 2008-02-01 | 2008-11-12 | 刘兰泽 | Anterior cervical positor |
| CN201147360Y (en) * | 2008-02-21 | 2008-11-12 | 王翠荣 | Bone nail bidirectional retractor |
| CN203226887U (en) * | 2013-05-20 | 2013-10-09 | 陈春美 | Automatic throat cone strutting system |
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| Publication number | Publication date |
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| CN103239279A (en) | 2013-08-14 |
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