CN201734774U - Sacroiliac screw guider - Google Patents
Sacroiliac screw guider Download PDFInfo
- Publication number
- CN201734774U CN201734774U CN2010202249355U CN201020224935U CN201734774U CN 201734774 U CN201734774 U CN 201734774U CN 2010202249355 U CN2010202249355 U CN 2010202249355U CN 201020224935 U CN201020224935 U CN 201020224935U CN 201734774 U CN201734774 U CN 201734774U
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- China
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- screw
- positioning needle
- sacroiliac
- device frame
- guider
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Abstract
The utility model relates to the medical field and discloses a sacroiliac screw guider. In the utility model, the sacroiliac screw guider consists of a positioning needle A1, a positioning needle B2, an arc-shaped guider frame 3 and a screw implanting guide pipe 4, wherein a positioning needle A, a positioning needle B and the screw implanting guide pipe are detachably combined with the arc-shaped guider frame; the positioning needle A is used for positioning the position of the vertebral pedicle, and fixing the position of the arc-shaped guider frame with the positioning needle B; the screw implanting guide pipe is connected with the arc-shaped guider frame by a moving chute 5 on the arc-shaped guider frame, so as to realize the positioning of a sacroiliac screw to be implanted. The sacroiliac screw guider implants the sacroiliac screw into the body of a patient and can effectively avoid the vascular nerve injury, thus increasing the safety of surgery and reducing the complications of surgery.
Description
Technical field
This utility model relates to medical domain, particularly the sacroiliac screw implanted prosthetics in the medical domain.
Background technology
So-called posterior ring pelvic damage is meant that the ligamenta interossea structure is chaotic fully, and loss of stability causes pelvis rotation or vertical unstable.
At present, realize that the fixed superior method of posterior ring pelvic promptly is to be implanted into sacroiliac screw at patient's body.In recent years pelvis is fixed clinical and biomechanics Research shows: sacroiliac screw lateral surface behind ala of ilium is implanted, and pass sacroiliac joint and enter rumpbone middle and upper part vertebral body, be comparatively superior posterior ring pelvic internal fixation mode.Can effectively reduce intraoperative hemorrhage, operation wound and post-operative complication, be the important method of present minimally-invasive treatment posterior ring pelvic fracture.
Present sacroiliac screw is implanted fixing mostly free-hand finishing under x-ray machine monitors, therefore in whole sacroiliac screw implantation process, needs the X-ray of multi-angle to have an X-rayed repeatedly, and locate inaccurate, poor stability, safety is low, important nerve of easy damaged or blood vessel.Whole surgery process complexity, time are long.
The utility model content
The purpose of this utility model is to provide a kind of sacroiliac screw guider, makes sacroiliac screw accurately to implant in patient's body, avoids the nervus vasculairs damage, thereby increases the safety of operation, reduces postoperative complication.
For solving the problems of the technologies described above, embodiment of the present utility model provides a kind of sacroiliac screw guider, and the sacroiliac screw guider is implanted guide pipe 4 by positioning needle A1, positioning needle B2, arcuate guide device frame 3 and screw and formed;
Positioning needle A1, positioning needle B2, screw are implanted guide pipe 4 and all can be dismantled combination with arcuate guide device frame 3; Positioning needle A1 is used to locate the vertebral arch location of root, and together with the fixing position of arcuate guide device frame 3 of positioning needle B2;
Screw is implanted guide pipe 4 via the mobile chute 5 on the arcuate guide device frame 3, is connected with arcuate guide device frame 3, and the sacroiliac screw that is used to treat implantation positions.
This utility model embodiment compared with prior art, the main distinction and effect thereof are:
Implant guide pipe 4 by positioning needle A1, positioning needle B2, arcuate guide device frame 3 and screw and form the sacroiliac screw guider, positioning needle A, positioning needle B, screw are implanted guide pipe and all can be dismantled combination with arcuate guide device frame.Positioning needle A is used to locate the vertebral arch location of root, and unites the fixedly position of arcuate guide device frame with positioning needle B, and screw is implanted guide pipe via the mobile chute 5 on the arcuate guide device frame, is connected with arcuate guide device frame, and the location of the sacroiliac screw of implantation is treated in realization.Because the space anatomy relationship of sacrum 1 vertebral body lateral mass and pedicle of vertebral arch is special, therefore utilize pedicle of vertebral arch to import to determine the position of positioning needle A, after together with positioning needle B arcuate guide device frame being fixed, can utilize the mobile chute location sacroiliac screw direction on the arcuate guide device frame.Sacroiliac screw guider by design is implanted sacroiliac screw in patient's body, thoroughly change present single dependence x-ray fluoroscopy and located free-hand fixed model, not only simplified sacroiliac screw implant surgery operating process, and tight security and accuracy arranged, can effectively avoid the nervus vasculairs damage, increase the safety of operation greatly, reduced postoperative complication.In addition, adopt the sacroiliac screw guider to realize the implantation of sacroiliac screw, can reduce by 90% x-ray fluoroscopy amount, effectively protected doctor and patient.
Further, screw is implanted guide pipe can move to the interior arbitrary position of mobile chute, and movably scope is the safety zone of predefined implantation sacroiliac screw, so that sacroiliac screw guider of the present utility model is applicable to the patient of multiple different builds.
Further, positioning needle A and screw are implanted guide pipe with nut ways of connecting and arcuate guide device frame dismounting combination.By the mode of knob nut, positioning needle A and screw are implanted guide pipe and arcuate guide device frame is fixed or dismantled, easy to operate, simple.
Description of drawings
Fig. 1 is the sacroiliac screw guider schematic perspective view according to this utility model one better embodiment;
Fig. 2 is the sacroiliac screw guider floor map according to this utility model one better embodiment;
Fig. 3 is a sketch map of implanting positioning needle A according to the pedicle in this utility model one better embodiment;
Fig. 4 is the sketch map according to the placement arcuate guide device frame in this utility model one better embodiment;
Fig. 5 is according to the sketch map through arcuate guide device frame drivescrew implantation guide pipe in this utility model one better embodiment;
Fig. 6 is according to the sketch map through screw implantation guide pipe pedicle screw in this utility model one better embodiment.
The specific embodiment
In the following description, in order to make the reader understand the application better many ins and outs have been proposed.But, persons of ordinary skill in the art may appreciate that even without these ins and outs with based on the many variations and the modification of following each embodiment, also can realize each claim of the application technical scheme required for protection.
For making the purpose of this utility model, technical scheme and advantage clearer, embodiment of the present utility model is described in further detail below in conjunction with accompanying drawing.
This utility model one better embodiment relates to a kind of sacroiliac screw guider.As shown in Figure 1, this sacroiliac screw guider is made up of positioning needle A1, positioning needle B2, arcuate guide device frame 3 and screw implantation guide pipe 4.
Positioning needle A, positioning needle B, screw are implanted guide pipe and all can be dismantled combination with arcuate guide device frame, make up with the dismounting of arcuate guide device frame as realizing by the nut ways of connecting.Positioning needle A is used to locate the vertebral arch location of root, and together with the fixing position of arcuate guide device frame of positioning needle B.
Screw is implanted guide pipe via the mobile chute 5 on the arcuate guide device frame, is connected with arcuate guide device frame, and the sacroiliac screw that is used to treat implantation positions.The floor map of the sacroiliac screw guider in the present embodiment as shown in Figure 2.
Below the concrete occupation mode of the sacroiliac screw guider in the present embodiment is simply introduced:
At first, according to the location to pedicle of vertebral arch, implant positioning needle A, the sketch map of pedicle implantation positioning needle A as shown in Figure 3.The built-in nail technology of pedicle of vertebral arch is extensive in clinical practice, and technology maturation is for the feasibility of present embodiment provides assurance.
Then, the mode by the nut knob connects arcuate guide device frame on positioning needle A, as shown in Figure 4.The radian of the arcuate guide device frame in the present embodiment can be
Certainly, in actual applications, the design of the radian of arcuate guide device frame is adjustable between 60 degree～120 degree.
Then, utilize positioning needle B, with the rotation of effectively avoiding arcuate guide device frame, move together with the fixing position of arcuate guide device frame of positioning needle A.Screw is implanted guide pipe and is connected with arcuate guide device frame via the mobile chute on the arcuate guide device frame, and the sacroiliac screw for the treatment of implantation positions, as shown in Figure 5.Need to prove, screw is implanted guide pipe and is movable to the interior arbitrary position of mobile chute, mobile range in the mobile chute is the safety zone of predefined implantation sacroiliac screw, so that sacroiliac screw guider of the present utility model is applicable to the patient of multiple different builds.
Because sacrum 1 vertebral body lateral mass and pedicle of vertebral arch space anatomy relationship are special, pedicle of vertebral arch is constant at the middle position that the upright projection of lateral mass is positioned at lateral mass.The positioning needle A that pedicle is implanted can guarantee sacroiliac screw to be implanted in vertebral body, and because the side position image that is easier to obtain in the art can accurately be judged the degree of depth of positioning needle in the pedicle of vertebral arch, makes things convenient in the art and monitor.That is to say,, utilize a kind of easy " point-to-point " guider (being the sacroiliac screw guider of present embodiment) can accurately implant sacroiliac screw again as long as accurately implant pedicle of vertebral arch guide pin (being the positioning needle in the present embodiment).
At last, implant the guide pipe pedicle screw through screw, as shown in Figure 6.Utilize the sacroiliac screw guider pedicle screw of present embodiment, can determine the screw orientation and the degree of depth, have tight security and accuracy.
Be not difficult to find, utilize the special space anatomy relationship of sacrum 1 vertebral body lateral mass and pedicle of vertebral arch, the sacroiliac screw guider of the present embodiment of designing, thoroughly change present single dependence x-ray fluoroscopy and located free-hand fixed model, not only simplify sacroiliac screw implant surgery operating process, and tight security and accuracy have been arranged, can effectively avoid the nervus vasculairs damage, increase the safety of operation greatly, reduced postoperative complication.In addition, adopt the sacroiliac screw guider to realize the implantation of sacroiliac screw, can reduce by 90% x-ray fluoroscopy amount, effectively protected doctor and patient.
In addition, what deserves to be mentioned is, is the mode by the knob nut in the present embodiment, positioning needle A and screw is implanted guide pipe and arcuate guide device frame is fixed or dismantled, easy to operate, simple.But be appreciated that in actual applications, also can realize positioning needle A and screw implantation guide pipe, with arcuate guide device frame dismounting combination by other modes.
Though by reference some preferred implementation of the present utility model, this utility model is illustrated and describes, but those of ordinary skill in the art should be understood that and can do various changes to it in the form and details, and do not depart from spirit and scope of the present utility model.
Claims (5)
1. a sacroiliac screw guider is characterized in that, described sacroiliac screw guider is implanted guide pipe (4) by positioning needle A (1), positioning needle B (2), arcuate guide device frame (3) and screw and formed;
Described positioning needle A (1), positioning needle B (2), screw are implanted guide pipe (4) and all can be dismantled combination with described arcuate guide device frame (3); Described positioning needle A (1) is used to locate the vertebral arch location of root, and fixes the position of described arcuate guide device frame (3) together with described positioning needle B (2);
Described screw is implanted guide pipe (4) via the mobile chute (5) on the described arcuate guide device frame (3), is connected with described arcuate guide device frame (3), and the sacroiliac screw that is used to treat implantation positions.
2. sacroiliac screw guider according to claim 1 is characterized in that, described screw is implanted guide pipe (4) can move to the interior arbitrary position of described mobile chute (5), and the moving range of described mobile chute (5) preestablishes.
3. sacroiliac screw guider according to claim 2 is characterized in that, described predefined moving range is for implanting the safety zone of sacroiliac screw.
4. according to each described sacroiliac screw guider in the claim 1 to 3, it is characterized in that the radian of described arcuate guide device frame (3) is
5. according to each described sacroiliac screw guider in the claim 1 to 3, it is characterized in that described positioning needle A (1) and described screw are implanted guide pipe (4) with nut ways of connecting and described arcuate guide device frame (3) dismounting combination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202249355U CN201734774U (en) | 2010-06-11 | 2010-06-11 | Sacroiliac screw guider |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202249355U CN201734774U (en) | 2010-06-11 | 2010-06-11 | Sacroiliac screw guider |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201734774U true CN201734774U (en) | 2011-02-09 |
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ID=43550052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202249355U Expired - Fee Related CN201734774U (en) | 2010-06-11 | 2010-06-11 | Sacroiliac screw guider |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201734774U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102274070A (en) * | 2010-06-11 | 2011-12-14 | 杨铁毅 | Sacroiliac screw guider |
| CN104127231A (en) * | 2014-07-16 | 2014-11-05 | 王钢 | Minimally-invasive S1 sacroiliac joint screw positioning guider |
| US10179014B1 (en) | 2012-06-01 | 2019-01-15 | Nuvasive, Inc. | Systems and methods for promoting sacroiliac joint fusion |
-
2010
- 2010-06-11 CN CN2010202249355U patent/CN201734774U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102274070A (en) * | 2010-06-11 | 2011-12-14 | 杨铁毅 | Sacroiliac screw guider |
| CN102274070B (en) * | 2010-06-11 | 2014-03-26 | 杨铁毅 | Sacroiliac screw guider |
| US10179014B1 (en) | 2012-06-01 | 2019-01-15 | Nuvasive, Inc. | Systems and methods for promoting sacroiliac joint fusion |
| US11253302B2 (en) | 2012-06-01 | 2022-02-22 | Nuvasive, Inc. | Systems and methods for promoting sacroiliac joint fusion |
| CN104127231A (en) * | 2014-07-16 | 2014-11-05 | 王钢 | Minimally-invasive S1 sacroiliac joint screw positioning guider |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110209 Termination date: 20170611 |