CN2910132Y - Retractor for microwound spine - Google Patents
Retractor for microwound spine Download PDFInfo
- Publication number
- CN2910132Y CN2910132Y CN 200620041817 CN200620041817U CN2910132Y CN 2910132 Y CN2910132 Y CN 2910132Y CN 200620041817 CN200620041817 CN 200620041817 CN 200620041817 U CN200620041817 U CN 200620041817U CN 2910132 Y CN2910132 Y CN 2910132Y
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- CN
- China
- Prior art keywords
- drag hook
- fixed bar
- hook body
- minimally invasive
- retractor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a retractor for microwound spine which is characterized in that the utility model comprises a retractor, a connection lever, a detachable handle. The retractor comprises a retractor body, a channel for fixed lever, a fixed lever, the channel for fixed lever is arranged on the retractor body, and the fixed lever passes though the channel for fixed lever, and the fixed lever has a bigger length than the channel for fixed lever, the fore end of the connection lever is connected to the rear end of the retractor body, and the rear end of the connection lever is connected to the detachable handle. Compared to the prior art, the utility model can optionally change the demanded angle according to the requirement of the patient on the fixed retractor, and has the characters of simple structure and convenient operation etc.
Description
Technical field
This utility model relates to a kind of medical apparatus and instruments, particularly relates to a kind of minimally invasive spine drag hook device.
Background technology
Existing cone drag hook system forms by strutting utensil and dismountable blade (drag hook portion).In case maximum shortcoming is a dilator when being fixed on certain position random translation-angle so can cause the inconvenience of patient in the middle of the operation, the prolongation operating time.
Summary of the invention
The purpose of this utility model is exactly to provide a kind of minimally invasive spine drag hook device for the defective that overcomes above-mentioned prior art existence.
The purpose of this utility model can be achieved through the following technical solutions: a kind of minimally invasive spine drag hook device, it is characterized in that, comprise drag hook portion, connecting rod, detachable handle, described drag hook portion comprises drag hook body, fixed bar passage, fixed bar, described fixed bar passage is located on the drag hook body, and described fixed bar is arranged in the fixed bar passage, and its length is greater than the fixed bar passage, the front end of described connecting rod is connected with the rear end of drag hook body, and the rear end of connecting rod is connected with detachable handle.
The upper rear end of described drag hook body is circular-arc for two jiaos, and the drag hook profile of tooth of its front end is the outstanding middle recessed wave in both sides.
The upper rear end of described drag hook body is circular-arc for two jiaos, the drag hook profile of tooth indentation of its front end.
Described fixed bar passage is located at the lower surface of drag hook body, the middle line parallel of its centrage and drag hook body, and this fixed bar channel interior structure is divided into two parts, and the bottom is circular, and top is hexagon.
Described fixed bar front end is provided with screw thread.
The drag hook of described drag hook body front end and drag hook body bottom surface are 80 ° or 90 °.
Adopt the produced a kind of minimally invasive spine drag hook device of above technical scheme, compared with prior art, can have characteristics such as simple in structure, easy to operate according to the needed angle of the random conversion of patient's requirement on fixed drag hook.
Description of drawings
Fig. 1 is structural representation of the present utility model (inclined drag hook);
Fig. 2 is the structural representation (vertical pulling hook) of another embodiment of this utility model;
Fig. 3 is the structural representation of a kind of drag hook body of the present utility model;
Fig. 4 is the structural representation of another kind of drag hook body of the present utility model;
Wherein: 1-drag hook portion, 2-connecting rod, 3-detachable handle, 4-drag hook body, 5-fixed bar passage, 6-fixed bar, 7-drag hook.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
The described a kind of minimally invasive spine drag hook device of Fig. 1～Fig. 4, comprise drag hook portion 1, connecting rod 2, detachable handle 3, described drag hook portion 1 comprises drag hook body 4, fixed bar passage 5, fixed bar 6, described fixed bar passage 5 is located on the drag hook body 4, described fixed bar 6 is arranged in the fixed bar passage 5, its length is greater than fixed bar passage 5, and the front end of described connecting rod 2 is connected with the rear end of drag hook body 4, and the rear end of connecting rod 2 is connected with detachable handle 3.
The upper rear end of described drag hook body 1 is circular-arc for two jiaos, and drag hook 7 profiles of tooth of its front end are the outstanding middle recessed wave in both sides; The upper rear end of described drag hook body 1 is circular-arc for two jiaos, the drag hook 7 profile of tooth indentations of its front end; Described fixed bar passage 5 is located at the lower surface of drag hook body 1, the middle line parallel of its centrage and drag hook body 4, and these fixed bar passage 5 internal structures are divided into two parts, and the bottom is circular, and top is hexagon; Described fixed bar 6 front ends are provided with screw thread; The drag hook 7 and drag hook body 4 bottom surfaces of described drag hook body 4 front ends are 80 ° or 90 °.
The effect of fixed bar passage: place fixed bar and limit the direction of drag hook body; Fixed bar channel interior structure is divided into two parts, the bottom circle, and three millimeters of diameters, length is six centimetres; Top is hexagon, and inscribed circle diameter is four centimetres, and length is one centimetre.
Embodiment 1:
Present embodiment is applicable to the lumbar vertebra Minimally Invasive Surgery, the width of drag hook body 4 is respectively three, four, five centimetres of three kinds of specifications, length is respectively ten, 12,14,16 centimetres of four kinds of specifications, wherein wide is the center line of position deviation drag hook body of fixed bar passage 5 of five centimetres drag hook body 4, the border, the left and right sides of wheelbase drag hook body 4 is respectively two and three centimetres in the fixed bar passage 5, and drag hook 7 profiles of tooth are the outstanding middle recessed wave in both sides.
Embodiment 2:
Present embodiment is applicable to the cervical vertebra Minimally Invasive Surgery.Drag hook body 4 width are respectively two, three centimetres, and length is three, four, five, six centimetres; Drag hook 7 has 10 ° inclination angle, and promptly the angle of drag hook body and head end is 80 ° of angles, and drag hook 7 profiles of tooth are both sides outstanding middle recessed wave or indentation; The reach of fixed bar 6 head ends is one centimetre, and total length is six, seven, eight, nine centimetres, and the length of fixed bar passage 5 is three centimetres.
Claims (6)
1. minimally invasive spine drag hook device, it is characterized in that, comprise drag hook portion, connecting rod, detachable handle, described drag hook portion comprises drag hook body, fixed bar passage, fixed bar, described fixed bar passage is located on the drag hook body, and described fixed bar is arranged in the fixed bar passage, and its length is greater than the fixed bar passage, the front end of described connecting rod is connected with the rear end of drag hook body, and the rear end of connecting rod is connected with detachable handle.
2. a kind of minimally invasive spine drag hook device according to claim 1 is characterized in that the upper rear end of described drag hook body is circular-arc for two jiaos, and the drag hook profile of tooth of its front end is the outstanding middle recessed wave in both sides.
3. a kind of minimally invasive spine drag hook device according to claim 1 is characterized in that the upper rear end of described drag hook body is circular-arc for two jiaos, the drag hook profile of tooth indentation of its front end.
4. according to claim 1 or 2 or 3 described a kind of minimally invasive spine drag hook devices, it is characterized in that described fixed bar passage is located at the lower surface of drag hook body, the middle line parallel of its centrage and drag hook body, this fixed bar channel interior structure is divided into two parts, and the bottom is circular, and top is hexagon.
5. a kind of minimally invasive spine drag hook device according to claim 1 is characterized in that described fixed bar front end is provided with screw thread.
6. according to claim 1 or 2 or 3 described a kind of minimally invasive spine drag hook devices, it is characterized in that the drag hook of described drag hook body front end and drag hook body bottom surface are 80 ° or 90 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620041817 CN2910132Y (en) | 2006-05-17 | 2006-05-17 | Retractor for microwound spine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620041817 CN2910132Y (en) | 2006-05-17 | 2006-05-17 | Retractor for microwound spine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2910132Y true CN2910132Y (en) | 2007-06-13 |
Family
ID=38131998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620041817 Expired - Fee Related CN2910132Y (en) | 2006-05-17 | 2006-05-17 | Retractor for microwound spine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2910132Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014117562A1 (en) * | 2013-01-30 | 2014-08-07 | 南京医科大学第一附属医院 | Exposure apparatus for spinal posterior minimally invasive screw fixation surgery |
-
2006
- 2006-05-17 CN CN 200620041817 patent/CN2910132Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014117562A1 (en) * | 2013-01-30 | 2014-08-07 | 南京医科大学第一附属医院 | Exposure apparatus for spinal posterior minimally invasive screw fixation surgery |
| US9439641B2 (en) | 2013-01-30 | 2016-09-13 | The First Affiliated Hospital Of Nanjing Medical University | Exposure apparatus for posterior spinal minimally invasive screw placement surgery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070613 Termination date: 20120517 |