CN102370501B - Spine single-side opener - Google Patents
Spine single-side opener Download PDFInfo
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- CN102370501B CN102370501B CN201010261473.9A CN201010261473A CN102370501B CN 102370501 B CN102370501 B CN 102370501B CN 201010261473 A CN201010261473 A CN 201010261473A CN 102370501 B CN102370501 B CN 102370501B
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Abstract
The invention relates to a spine single-side opener. The first, second, fourth and fifth parts of the spine single-side opener are in the same plane; the first part is detachably and fixed connected with the second part and the fourth part in a manner that the relative positions are adjustable, the fourth part is detachably and fixed connected with the fifth part in a manner that the relative positions are adjustable, the third part is arranged on the first part and is vertical to the plane, and a sixth part is arranged on the fourth part and is vertical to the plane; preferably, the third and sixth parts are provided with a first regulating nut and a second regulating nut respectively; the first part which can be released and move is inserted into the fourth and second parts; the fourth part which can be released and move is inserted into the fifth part; and the second, fifth, second and sixth parts are uniformly provided with convex hooks. In the invention, the design is novel and smart; the opener is suitable for single-side operation; the width as well as the depth and length of the opener can be adjusted; required operational areas can be exposed more flexibly, the pain in patients can be reduced and the structure is simple; and the opener is suitable for large-scale promotion and use.
Description
Technical field
The present invention relates to technical field of medical instruments, particularly spinal column dilator technical field, specifically a kind of spine single-side opener, is strut apparatus for the monolateral of posterior lumbar spinal surgery.
Background technology
During posterior lumbar spinal surgery, need to use dilator to be peeled off by the paraspinal muscle of patient.But mostly the dilator used clinically is at present to be made up of two panels stripping fork shape blade and slide bar, and volume ratio is huger, for the operation of traditional open posterior, often need patient to carry out bilateral paraspinal muscle widely and peel off, soft tissue injury is large, hemorrhage many.If patient is only side symptom, need to carry out operation at spine single-side, when the asymptomatic side of offside is without the need to processing, this dilator but often can not meet the demands.And rely on merely S shape drag hook, need special messenger's tractive to fix, waste time and energy, especially committed step as loosen nerve root or process venous plexus hemorrhage time, the unstable rule of drag hook easily produces danger.In addition, traditional dilator only can adjustment width, but still cannot regulate for the degree of depth of patient's lower back and length.
Therefore, expect a kind of spinal column dilator, it is applicable to monolateral operation, and not only can adjustment width, can also regulation depth and length.
Summary of the invention
The object of the invention is to overcome above-mentioned shortcoming of the prior art, a kind of spine single-side opener is provided, this spine single-side opener modern design is ingenious, be applicable to monolateral operation, and not only can adjustment width, can also regulation depth and length, required operative region can be appeared more neatly, reduce patient painful, and structure is simple, is suitable for large-scale promotion application.
To achieve these goals, spine single-side opener of the present invention have employed following technical scheme:
This spine single-side opener, be characterized in, comprise first component, second component, 3rd parts, 4th parts, 5th parts and the 6th parts, described first component, described second component, described 4th parts and described 5th parts are positioned at same plane, described first component is adjustably detachably fixedly connected with described 4th parts relative position with described second component respectively, described 4th parts are adjustably detachably fixedly connected with described 5th parts relative position, described 3rd parts to be installed on described first component and perpendicular to described plane, described 6th parts to be installed on described 4th parts and perpendicular to described plane.
In the present invention, so-called " relative position is adjustably detachably fixedly connected with " refers to both and is detachably fixedly connected with, and be detachably fixedly connected with dismounting both relative position scalable rear, after regulating, both again can fix on new fixed position.
Preferably, described 3rd parts are provided with the first regulating nut, described 6th parts are provided with the second regulating nut, described first regulating nut and described second regulating nut are oppositely arranged.
Preferably, described second component and described 5th component parallel are arranged, and vertically with described 4th parts arrange; Described 3rd parts are [arc, described 6th parts are] arc, and described 3rd parts and described 6th parts are oppositely arranged.
Preferably, described 3rd parts are plugged in described first component, and described 6th parts are plugged in described 4th parts.
More preferably, described 3rd parts have the 4th arms, and described first component has the 4th slot, and described 4th arms is plugged in described 4th slot; Described 6th parts have the 5th arms, and described 4th parts have the 5th slot, and described 5th arms is plugged in described 5th slot;
Preferably, described first component can discharge mobile being plugged in described 4th parts.After so-called " can discharge movement " refers to and is detachably fixedly connected with dismounting, the former along away from or removable near the latter direction, to correct position, both can fix again.
More preferably, described 4th parts are provided with the first slot, and described first component is provided with the first arms, and described first arms is plugged in described first slot, and described first slot is equipped with the first nut and described first nut holds out against described first arms.
Preferably, described first component can discharge mobile being plugged in described second component.
More preferably, described second component is provided with the second slot, and described first component is provided with the second arms, and described second arms is plugged in described second slot, and described second slot is equipped with the second nut and described second nut holds out against described second arms.
Preferably, described 4th parts can discharge mobile being plugged in described 5th parts.
More preferably, described 5th parts are provided with the 3rd slot, and described 4th parts are provided with the 3rd arms, and described 3rd arms is plugged in described 3rd slot, and described 3rd slot is equipped with the 3rd nut and described 3rd nut holds out against described 3rd arms.
Preferably, described second component is provided with the first convex hook, and described first convex hook is away from described first component; Described 5th parts are provided with the second convex hook, and described second convex hook is away from described 4th parts.
Preferably, described 3rd parts are provided with the 3rd convex hook, and described 3rd convex hook is away from described first component; Described 6th parts are provided with the 4th convex hook, and described 4th convex hook is away from described 4th parts.
Beneficial effect of the present invention is specific as follows:
1, first component of the present invention, second component, 4th parts and the 5th parts are positioned at same plane, first component is adjustably detachably fixedly connected with the 4th parts relative position with second component respectively, 4th parts are adjustably detachably fixedly connected with the 5th parts relative position, 3rd parts to be installed on first component and perpendicular to plane, 6th parts to be installed on the 4th parts and perpendicular to plane, thus realize length adjustment by first component and the 4th parts, depth adjustment is realized by first component and second component or the 4th parts and the 5th parts, novel in design ingenious, be applicable to monolateral operation, can regulation depth and length, and structure is simple, be suitable for large-scale promotion application.
2, the 3rd parts of the present invention are provided with the first regulating nut, 6th parts are provided with the second regulating nut, first regulating nut and the second regulating nut are oppositely arranged, thus realize width adjusting by the first regulating nut and the second regulating nut, thus realize the comprehensive adjustment of length, the degree of depth and width, required operative region can be appeared more neatly, reduce patient painful, be suitable for large-scale promotion application.
3, second component of the present invention is provided with the first convex hook, 5th parts are provided with the second convex hook, can be more firm be fixed on zygapophysial joints lateral border, 3rd parts are provided with the 3rd convex hook, 6th parts are provided with the 4th convex hook, the lateral margin being fixed on spinous process that can be more firm, and can not slide up and down, stability maintenance is good, is suitable for large-scale promotion application.
Accompanying drawing explanation
Fig. 1 is the schematic front view of a specific embodiment of the present invention.
Fig. 2 is the schematic top plan view of the specific embodiment shown in Fig. 1.
Fig. 3 a is the schematic front view of the first component of the specific embodiment shown in Fig. 1.
Fig. 3 b is the schematic front view of the second component of the specific embodiment shown in Fig. 1.
Fig. 3 c is the schematic front view of the 3rd parts of the specific embodiment shown in Fig. 1.
Fig. 3 d is the schematic front view of the 4th parts of the specific embodiment shown in Fig. 1.
Fig. 3 e is the schematic front view of the 5th parts of the specific embodiment shown in Fig. 1.
Fig. 3 f is the schematic front view of the 6th parts of the specific embodiment shown in Fig. 1.
Detailed description of the invention
In order to more clearly understand technology contents of the present invention, describe in detail especially exemplified by following examples, its object is only better understand content of the present invention but not limit the scope of the invention.
Refer to shown in Fig. 1-3f, spine single-side opener of the present invention comprises first component 1, second component 2, 3rd parts 3, 4th parts 4, 5th parts 5 and the 6th parts 6, described first component 1, described second component 2, described 4th parts 4 and described 5th parts 5 are positioned at same plane, described first component 1 is adjustably detachably fixedly connected with described 4th parts 4 relative position with described second component 2 respectively, described 4th parts 4 are adjustably detachably fixedly connected with described 5th parts 5 relative position, described 3rd parts 3 to be installed on described first component 1 and perpendicular to described plane, described 6th parts 6 to be installed on described 4th parts 4 and perpendicular to described plane.
In the present invention, so-called " relative position is adjustably detachably fixedly connected with " refers to both and is detachably fixedly connected with, and be detachably fixedly connected with dismounting both relative position scalable rear, after regulating, both again can fix on new fixed position.Such as can have multiple fixed position, both can fix any one fixed position wherein.
Refer to shown in Fig. 1, Fig. 2, Fig. 3 c and Fig. 3 f, in a particular embodiment of the present invention, described second component 2 and described 5th parts 5 be arranged in parallel, and vertically with described 4th parts 4 arrange; Described 3rd parts 3 are [arc, described 6th parts 6 are] arc, and described 3rd parts 3 and described 6th parts 6 are oppositely arranged.
Refer to shown in Fig. 2, Fig. 3 c and Fig. 3 f, in a particular embodiment of the present invention, described 3rd parts 3 are provided with the first regulating nut 31, described 6th parts 6 are provided with the second regulating nut 61, described first regulating nut 31 and described second regulating nut 61 are oppositely arranged.The length of [arc or] arc can be adjusted by the first regulating nut 31 or the second regulating nut 61, adapt to the different in width of different patient's lower back.
Preferably, described 3rd parts 3 are plugged in described first component 1, and described 6th parts 6 are plugged in described 4th parts 4.Refer to shown in Fig. 1, Fig. 2, Fig. 3 c and Fig. 3 f, in a particular embodiment of the present invention, described 3rd parts 3 have the 4th arms 32, and described first component 1 has the 4th slot 11, and described 4th arms 32 is plugged in described 4th slot 11; Described 6th parts 6 have the 5th arms 62, and described 4th parts 4 have the 5th slot 41, and described 5th arms 62 is plugged in described 5th slot 41.
Preferably, described first component 1 can discharge mobile being plugged in described 4th parts 4.After so-called " can discharge movement " refers to and is detachably fixedly connected with dismounting, the former along away from or removable near the latter direction, to correct position, both can fix again.Refer to shown in Fig. 1, Fig. 3 a and Fig. 3 d, in a particular embodiment of the present invention, described 4th parts 4 are provided with the first slot 42, described first component 1 is provided with the first arms 12, described first arms 12 is plugged in described first slot 42, and described first slot 42 is equipped with the first nut 43 and described first nut 43 holds out against described first arms 12.Thus tightening and lax realize the fixing of the first arms 12 and the first slot 42 and unclamp by the first nut 43, first arms 12 can be moved along the first slot 42 length direction after unclamping, to correct position, again the first nut 43 is tightened, first arms 12 and the first slot 42 are fixed, realize the distance adjustment between first component 1 and the 4th parts 4, thus the length of dilator can be regulated, adapt to the needs of single segmental or binodal section lesions treatment.
Preferably, described first component 1 can discharge mobile being plugged in described second component 2.Refer to shown in Fig. 1, Fig. 3 a and Fig. 3 b, in a particular embodiment of the present invention, described second component 2 is provided with the second slot 21, described first component 1 is provided with the second arms 13, described second arms 13 is plugged in described second slot 21, and described second slot 21 is equipped with the second nut 22 and described second nut 22 holds out against described second arms 13.Thus tightening and lax realize the fixing of the second arms 13 and the second slot 21 and unclamp by the second nut 22, second arms 13 can be moved along the second slot 21 length direction after unclamping, to correct position, again the second nut 22 is tightened, second arms 13 and the second slot 21 are fixed, realize the distance adjustment between first component 1 and second component 2, thus the height of dilator can be regulated, adapt to the different depth of different patient's lower back.
Preferably, described 4th parts 4 can discharge mobile being plugged in described 5th parts 5.Refer to shown in Fig. 1, Fig. 3 d and Fig. 3 e, in a particular embodiment of the present invention, described 5th parts 5 are provided with the 3rd slot 51, described 4th parts 4 are provided with the 3rd arms 44, described 3rd arms 44 is plugged in described 3rd slot 51, and described 3rd slot 51 is equipped with the 3rd nut 52 and described 3rd nut 52 holds out against described 3rd arms 44.Thus tightening and lax realize the fixing of the 3rd arms 44 and the 3rd slot 51 and unclamp by the 3rd nut 52,3rd arms 44 can be moved along the 3rd slot 51 length direction after unclamping, to correct position, again the 3rd nut 52 is tightened, 3rd arms 44 and the 3rd slot 51 are fixed, realize the distance adjustment between the 4th parts 4 and the 5th parts 5, thus the height of dilator can be regulated, adapt to the different depth of different patient's lower back.
Refer to shown in Fig. 1, Fig. 3 b and Fig. 3 e, in a particular embodiment of the present invention, described second component 2 is provided with the first convex hook 23, and described first convex hook 23 is away from described first component 1; Described 5th parts 5 are provided with the second convex hook 53, and described second convex hook 53, away from described 4th parts 4, can make it more firm be fixed on zygapophysial joints lateral border.
Refer to shown in Fig. 1, Fig. 3 c and Fig. 3 f, in a particular embodiment of the present invention, described 3rd parts 3 are provided with the 3rd convex hook 33, and described 3rd convex hook 33 is away from described first component 1; Described 6th parts 6 are provided with the 4th convex hook 63, and described 4th convex hook 63, away from described 4th parts 4, can make the lateral margin being fixed on spinous process that it is more firm, and can not slide up and down.
Before using the present invention, first first component 1 is inserted in the first slot 42 of the 4th parts 4, by means of the secured adjusted length of the first nut 43 by the first arms 12.First component 1 inserts in the second slot 21 of second component 2 by the second arms 13, and the 4th parts 4 insert in the 3rd slot 51 of the 5th parts 5 by the 3rd arms 44, by means of the degree of depth of the secured adjusted dilator of the second nut 22 and the 3rd nut 52.By the first convex hook 23 and the second convex hook 53 of second component 2 and the 5th parts 5 tail end, dilator can be made to be fixed on zygapophysial joints lateral border.Then by means of [the upper lateral jag (i.e. the 4th arms 32) of arc (i.e. the 3rd parts 3) inserts the 4th slot 11 of first component 1, ] upper lateral jag (i.e. the 5th arms 62) in arc (i.e. the 6th parts 6) inserts the 5th slot 41 on the 4th parts 4,4th convex hook 63 of the lower, transverse jag of [the 3rd convex hook 33 of the lower, transverse jag of arc and] arc can be fixed on the lateral margin of spinous process securely, and width regulates by the first regulating nut 31 and the second regulating nut 61.Like this, by means of spine single-side opener of the present invention, namely required operative region can obtain satisfied appearing.
To sum up, spine single-side opener modern design of the present invention is ingenious, is applicable to monolateral operation, and not only can adjustment width, can also regulation depth and length, required operative region can be appeared more neatly, reduce patient painful, and structure is simple, is suitable for large-scale promotion application.
In this description, the present invention is described with reference to its specific embodiment.But, still can make various amendment and conversion obviously and not deviate from the spirit and scope of the present invention.Therefore, description and accompanying drawing are regarded in an illustrative, rather than a restrictive.
Claims (12)
1. a spine single-side opener, it is characterized in that, comprise first component, second component, 3rd parts, 4th parts, 5th parts and the 6th parts, described first component, described second component, described 4th parts and described 5th parts are positioned at same plane, described first component is adjustably detachably fixedly connected with described 4th parts relative position with described second component respectively, described 4th parts are adjustably detachably fixedly connected with described 5th parts relative position, described 3rd parts to be installed on described first component and perpendicular to described plane, described 6th parts to be installed on described 4th parts and perpendicular to described plane.
2. spine single-side opener according to claim 1, is characterized in that, described 3rd parts are provided with the first regulating nut, and described 6th parts are provided with the second regulating nut, and described first regulating nut and described second regulating nut are oppositely arranged.
3. spine single-side opener according to claim 1, is characterized in that, described second component and described 5th component parallel are arranged, and vertically with described 4th parts arranges; Described 3rd parts are [arc, described 6th parts are] arc, and described 3rd parts and described 6th parts are oppositely arranged.
4. spine single-side opener according to claim 1, is characterized in that, described 3rd parts are plugged in described first component, and described 6th parts are plugged in described 4th parts.
5. spine single-side opener according to claim 1, is characterized in that, described first component can discharge mobile being plugged in described 4th parts.
6. spine single-side opener according to claim 5, it is characterized in that, described 4th parts are provided with the first slot, described first component is provided with the first arms, described first arms is plugged in described first slot, and described first slot is equipped with the first nut and described first nut holds out against described first arms.
7. spine single-side opener according to claim 1, is characterized in that, described first component can discharge mobile being plugged in described second component.
8. spine single-side opener according to claim 7, it is characterized in that, described second component is provided with the second slot, described first component is provided with the second arms, described second arms is plugged in described second slot, and described second slot is equipped with the second nut and described second nut holds out against described second arms.
9. spine single-side opener according to claim 1, is characterized in that, described 4th parts can discharge mobile being plugged in described 5th parts.
10. spine single-side opener according to claim 9, it is characterized in that, described 5th parts are provided with the 3rd slot, described 4th parts are provided with the 3rd arms, described 3rd arms is plugged in described 3rd slot, and described 3rd slot is equipped with the 3rd nut and described 3rd nut holds out against described 3rd arms.
11. spine single-side openers according to claim 1, is characterized in that, described second component is provided with the first convex hook, and described first convex hook is away from described first component; Described 5th parts are provided with the second convex hook, and described second convex hook is away from described 4th parts.
12. spine single-side openers according to claim 1, is characterized in that, described 3rd parts are provided with the 3rd convex hook, and described 3rd convex hook is away from described first component; Described 6th parts are provided with the 4th convex hook, and described 4th convex hook is away from described 4th parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010261473.9A CN102370501B (en) | 2010-08-24 | 2010-08-24 | Spine single-side opener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010261473.9A CN102370501B (en) | 2010-08-24 | 2010-08-24 | Spine single-side opener |
Publications (2)
| Publication Number | Publication Date |
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| CN102370501A CN102370501A (en) | 2012-03-14 |
| CN102370501B true CN102370501B (en) | 2015-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010261473.9A Active CN102370501B (en) | 2010-08-24 | 2010-08-24 | Spine single-side opener |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110215244B (en) * | 2019-07-18 | 2021-02-05 | 拾欣 | A strut mechanism for orthopedics backbone operation tissue |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5928139A (en) * | 1998-04-24 | 1999-07-27 | Koros; Tibor B. | Retractor with adjustable length blades and light pipe guides |
| WO1999039665A1 (en) * | 1998-02-06 | 1999-08-12 | Biedermann Motech Gmbh | Spacer with adjustable axial length |
| US6616605B2 (en) * | 2001-02-15 | 2003-09-09 | Genesee Biomedical, Inc. | Quadretractor and method of use |
| CN201208269Y (en) * | 2008-06-27 | 2009-03-18 | 常州奥斯迈医疗器械有限公司 | Lumbar vertebra posterior micro-wound approach strutting system |
| CN201879744U (en) * | 2010-08-24 | 2011-06-29 | 上海市杨浦区中心医院 | Unilateral spreader for spina |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7618424B2 (en) * | 2005-04-29 | 2009-11-17 | Warsaw Orthopedic, Inc. | Orthopedic instrument |
-
2010
- 2010-08-24 CN CN201010261473.9A patent/CN102370501B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999039665A1 (en) * | 1998-02-06 | 1999-08-12 | Biedermann Motech Gmbh | Spacer with adjustable axial length |
| US5928139A (en) * | 1998-04-24 | 1999-07-27 | Koros; Tibor B. | Retractor with adjustable length blades and light pipe guides |
| US6616605B2 (en) * | 2001-02-15 | 2003-09-09 | Genesee Biomedical, Inc. | Quadretractor and method of use |
| CN201208269Y (en) * | 2008-06-27 | 2009-03-18 | 常州奥斯迈医疗器械有限公司 | Lumbar vertebra posterior micro-wound approach strutting system |
| CN201879744U (en) * | 2010-08-24 | 2011-06-29 | 上海市杨浦区中心医院 | Unilateral spreader for spina |
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| Publication number | Publication date |
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| CN102370501A (en) | 2012-03-14 |
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Application publication date: 20120314 Assignee: Shanghai Luxi Medical Devices Co., Ltd. Assignor: Shanghai Yangpu Central Hospital Contract record no.: 2019310000051 Denomination of invention: Spine single-side opener Granted publication date: 20150218 License type: Exclusive License Record date: 20190722 |
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