CN209789995U - Pedicle screw navigation system under X-ray machine - Google Patents
Pedicle screw navigation system under X-ray machine Download PDFInfo
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- CN209789995U CN209789995U CN201821716359.9U CN201821716359U CN209789995U CN 209789995 U CN209789995 U CN 209789995U CN 201821716359 U CN201821716359 U CN 201821716359U CN 209789995 U CN209789995 U CN 209789995U
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- pedicle screw
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Abstract
The utility model relates to a lower pedicle screw navigation system of an X-ray machine, which comprises a base, wherein a movable seat is connected on the base in a sliding way, a vertical support rod is connected on the movable seat, and a connecting seat is hinged on the vertical support rod; the connecting seat is provided with a horizontal supporting rod through a connecting shaft; the front end of the horizontal support rod is connected with a guide pin fixing seat through a spherical universal joint, and a guide pin is detachably arranged on the guide pin fixing seat through a locking screw. The utility model discloses the base is placed along the sick bed, removes the seat and can move along sick bed length direction, vertical support bar's height-adjustable festival, and the connecting seat can rotate vertical support bar relatively, and horizontal support bar can rotate round the connecting axle simultaneously, and the guide pin fixing base can be round the universal rotation of horizontal support bar, and multi-angle, diversified regulation can be realized to the guide pin, makes it reach standard operation position.
Description
Technical Field
The utility model relates to a medical auxiliary assembly field, more specifically the pedicle of vertebral arch screw navigation under X-ray machine that says so relates to.
Background
The pedicle screw is the most basic and widely applied implant in the spinal stability reconstruction internal fixation system, and can be widely applied in clinic due to the excellent biomechanical stability. The traditional pedicle screw placement needs an open operation to cut open the skin, peel off the muscle fascia or expose the pedicle screw placement point along the muscle gap approach, thereby completing the open nail placement. The open nail-placing increases operation trauma, enhances the trauma feeling of an operation patient, reduces the operation tolerance, and delays the early functional exercise and rehabilitation treatment after the spinal surgery, thereby reducing the operation curative effect.
with the rapid development of the minimally invasive concept and the minimally invasive technology in recent years, the spine minimally invasive technology is also developed to be more and more fierce. The invention relates to a minimally invasive percutaneous pedicle screw nail placing technology, which is as early as 2001, a Sextant system is a milestone for percutaneous pedicle screw internal fixation (PPSF), and compared with the traditional open surgery, the minimally invasive percutaneous pedicle screw nail placing technology has the advantages of small damage, less bleeding, low infection risk, light postoperative pain, short hospitalization time and the like, but the nail placing is continuously completed under the perspective of a C-arm X-ray machine due to the requirement, so that the radioactive radiation of doctors and patients is increased, the surgery time is prolonged, and the percutaneous pedicle screw nail is limited based on the limitations of the two points. Aiming at the particularity and universality of the problem, the minimally invasive percutaneous pedicle screw placement can be safely and quickly completed on the premise of effectively reducing radioactive radiation by operating the console and monitoring the position of the navigator guide pin in real time by the C-shaped arm X-ray machine display, and the minimally invasive percutaneous pedicle screw placement device has good clinical practical value and popularization prospect.
SUMMERY OF THE UTILITY MODEL
The utility model aims at prior art's weak point, provide a pedicle screw navigation under X-ray machine, the guide pin can realize multi-angle, diversified regulation, makes it reach standard operation position.
The technical solution of the utility model is as follows:
A lower pedicle screw navigation system of an X-ray machine comprises a base, wherein a moving seat is connected onto the base in a sliding manner, a vertical supporting rod is connected onto the moving seat, and a connecting seat is hinged onto the vertical supporting rod; the connecting seat is provided with a horizontal supporting rod through a connecting shaft; the front end of the horizontal support rod is connected with a guide pin fixing seat through a spherical universal joint, and a guide pin is detachably arranged on the guide pin fixing seat through a locking screw.
preferably, the two sides of the bottom of the base are respectively connected with universal wheels through supports, and locking assemblies capable of locking the universal wheels are arranged on the two groups of supports.
Preferably, the base is provided with a slide rail, the bottom of the movable seat is provided with a slide block, the slide block is arranged on the slide rail in a matched mode, four corners of the upper portion of the movable seat are respectively provided with a mounting hole, the slide block is provided with positioning holes corresponding to the four groups of mounting holes, and the movable seat and the slide block can be locked and fixed through screws.
Preferably, the vertical support rod is a hollow pipe body structure consisting of a thick pipe at the lower part and a thin rod adjustably arranged on the thick pipe, and the lower end of the thick pipe is welded and fixed on the movable seat.
Preferably, the left end of the connecting seat is movably connected with the vertical supporting rod through a hinge shaft, a U-shaped groove is formed in the right end of the connecting seat, a connecting shaft is longitudinally arranged in the U-shaped groove, and the connecting shaft penetrates through the horizontal supporting rod.
Preferably, a circle of gear teeth are arranged on the connecting shaft and inside the U-shaped groove, a through hole is formed in the horizontal supporting rod, a circle of tooth grooves matched with the gear teeth are formed in the circumferential direction of the through hole, and the horizontal supporting rod is meshed with the connecting shaft through the gear teeth and the tooth grooves.
Preferably, the guide pin fixing base is of a spherical structure, a guide pin hole and a threaded hole communicated with the guide pin hole are formed in the guide pin fixing base, the guide pin penetrates through the guide pin hole, the lower portion of the guide pin extends out of the guide pin fixing base, and the locking screw is installed in the threaded hole and can lock the guide pin.
Preferably, the right end of the horizontal support rod is provided with threads, a threaded hole is formed in the spherical universal joint, the horizontal support rod is screwed on the spherical universal joint, and the spherical universal joint is matched and arranged in a spherical slotted hole formed in the guide pin fixing seat.
Preferably, the guide pin is a conical structure with a thick upper part and a thin lower part.
The beneficial effects of the utility model reside in that:
The utility model discloses the base is placed along the sick bed, removes the seat and can move along sick bed length direction, vertical support bar's height-adjustable festival, and the connecting seat can rotate vertical support bar relatively, and horizontal support bar can rotate round the connecting axle simultaneously, and the guide pin fixing base can be round the universal rotation of horizontal support bar, and multi-angle, diversified regulation can be realized to the guide pin, makes it reach standard operation position.
drawings
The invention will be further explained with reference to the drawings:
Fig. 1 is a schematic structural view of the present invention;
In fig. 1: 1-a base; 2, moving the seat; 3-vertical support bar; 301-thick pipe; 302-thin rod; 303-mounting holes; 4, a connecting seat; 401-U type groove; 5, connecting the shaft; 6-horizontal supporting rod; 7-ball universal joint; 8-guide pin fixing seat; 801-guide pin holes; 802-threaded hole; 9-guiding a needle; 10-locking screw; 11-a scaffold; 12-universal wheel; 13-a locking assembly; 14-a slide rail; 15-a slide block.
Detailed Description
The embodiment, see fig. 1, a pedicle screw navigation system under X-ray machine, including base 1, its characterized in that: the base 1 is connected with a moving seat 2 in a sliding manner, the moving seat is connected with a vertical supporting rod 3, and the vertical supporting rod is hinged with a connecting seat 4; a horizontal support rod 6 is arranged on the connecting seat through a connecting shaft 5; the front end of the horizontal support rod 6 is connected with a guide pin fixing seat 8 through a spherical universal joint 7, and a guide pin 9 is detachably arranged on the guide pin fixing seat 8 through a locking screw 10.
the bottom both sides of base are connected with universal wheel 12 through support 11 respectively, and wherein two sets of supports facial make-up are equipped with the locking Assembly 13 that can lock the universal wheel. The universal wheels are arranged, so that the whole device can be transported and moved conveniently, the device can be switched between any sickbeds, and the operation can be performed conveniently.
the base is provided with a sliding rail 14, the bottom of the moving seat is provided with a sliding block 15, the sliding block is arranged on the sliding rail in a matching mode, four corners of the upper portion of the moving seat are respectively provided with a mounting hole, the sliding block is provided with positioning holes corresponding to the four groups of mounting holes, and the moving seat and the sliding block can be locked and fixed through screws. This embodiment, the base is placed along the sick bed, and the direction of slide rail is to the unanimity with the length of sick bed, and the removal seat can remove along the length direction of sick bed like this, is convenient for adjust the position of guide pin at the length direction of sick bed.
The vertical support rod is a hollow pipe body structure consisting of a thick pipe 301 at the lower part and a thin rod 302 adjustably arranged on the thick pipe, and the lower end of the thick pipe is welded and fixed on the movable seat. The thick pipe is longitudinally provided with a plurality of groups of mounting holes 303, the thin rod is provided with a thread through hole, the bolt passes through one group of mounting holes and the thread through hole to lock and fix the thin rod and the thick pipe, and the thin rod is adjustable relative to the thick pipe, so that the height of the guide pin can be adjusted.
The left end of the connecting seat is movably connected with the vertical supporting rod through a hinge shaft, a U-shaped groove 401 is formed in the right end of the connecting seat, a connecting shaft 5 is longitudinally arranged in the U-shaped groove, and the connecting shaft penetrates through the horizontal supporting rod. The connecting seat can be rotatory round the hinge to make the guide pin also can be rotatory round the hinge, realize the angle modulation of guide pin.
The connecting shaft is provided with a circle of gear teeth inside the U-shaped groove, the horizontal support rod is provided with a through hole, a circle of tooth grooves matched with the gear teeth are formed in the circumferential direction of the through hole, and the horizontal support rod is meshed with the connecting shaft through the gear teeth and the tooth grooves. The horizontal support rod can rotate around the connecting shaft, so that the guide pin can also rotate around the hinge shaft, and the adjustment of the rotating angle of the guide pin on the same horizontal plane is realized.
The guide pin fixing base is spherical structure, be equipped with guide pin hole 801 on the guide pin fixing base and with the screw hole 802 that the guide pin hole link up, the guide pin is worn to locate in the guide pin hole, and the lower part of guide pin stretches out outside the guide pin fixing base, and locking screw installs at the screw hole and can lock the guide pin.
The right-hand member of horizontal support pole is equipped with the screw thread, is equipped with the screw hole in the spherical universal joint, and horizontal support pole spiro union is on spherical universal joint, and the spherical universal joint cooperation is installed in the spherical slotted hole that is equipped with in the guide pin fixing base.
The guide pin is of a conical structure with a thick upper part and a thin lower part.
The utility model discloses the working process:
The utility model discloses the during operation needs cooperation C type arm X line machine to work together, and C type arm X line machine scans earlier and fixes a position and has put the nail point, will again the utility model discloses a corresponding position is implanted in advance to the setpoint that the guide pin scanned according to X line machine, then hollow pedicle screw is implanted along the guide pin again to the tissue wound that radiation exposure that the operation brought under having avoided X line machine and open the operation and brought is accomplished wicresoft's percutaneous pedicle screw and is put the nail technique.
The above embodiments are specific descriptions of the present invention, and are only further descriptions of the present invention, which should not be construed as limitations of the protection scope of the present invention, and some non-essential modifications and adjustments made by those skilled in the art according to the above embodiments are all within the protection scope of the present invention.
Claims (7)
1. The utility model provides a pedicle screw navigation under X line machine, includes the base, its characterized in that: the base is connected with a moving seat in a sliding manner, the moving seat is connected with a vertical supporting rod, and the vertical supporting rod is hinged with a connecting seat; the connecting seat is provided with a horizontal supporting rod through a connecting shaft; the front end of the horizontal support rod is connected with a guide pin fixing seat through a spherical universal joint, and a guide pin is detachably arranged on the guide pin fixing seat through a locking screw;
The base is provided with a slide rail, the bottom of the movable seat is provided with a slide block, the slide block is arranged on the slide rail in a matching way, four corners of the upper part of the movable seat are respectively provided with a mounting hole, the slide block is provided with positioning holes corresponding to the four groups of mounting holes, and the movable seat and the slide block can be locked and fixed through screws;
The utility model discloses a lock device, including guide pin fixing base, guide pin hole, locking screw, guide pin hole, locking screw, guide pin fixing base is spherical structure, be equipped with the guide pin hole on the guide pin fixing base and with the screw hole that the guide pin hole link up, the guide pin is worn to locate in the guide pin hole, and the lower part of guide pin stretches out outside the guide pin fixing base, the locking screw is installed in the screw hole and.
2. the pedicle screw navigation system for X-ray machines as claimed in claim 1, wherein: the bottom both sides of base have the universal wheel through leg joint respectively, wherein two sets of support facial make-up are equipped with the locking Assembly that can lock the universal wheel.
3. The pedicle screw navigation system for X-ray machines as claimed in claim 1, wherein: the vertical support rod is a hollow pipe body structure consisting of a thick pipe at the lower part and a thin rod adjustably arranged on the thick pipe, and the lower end of the thick pipe is welded and fixed on the movable seat.
4. The pedicle screw navigation system for X-ray machines as claimed in claim 1, wherein: the left end of the connecting seat is movably connected with the vertical supporting rod through a hinge shaft, a U-shaped groove is formed in the right end of the connecting seat, a connecting shaft is longitudinally arranged in the U-shaped groove, and the connecting shaft penetrates through the horizontal supporting rod.
5. The pedicle screw navigation system for X-ray machines as claimed in claim 4, wherein: the connecting shaft is provided with a circle of gear teeth inside the U-shaped groove, the horizontal support rod is provided with a through hole, a circle of tooth grooves matched with the gear teeth are formed in the circumferential direction of the through hole, and the horizontal support rod is meshed with the connecting shaft through the gear teeth and the tooth grooves.
6. The pedicle screw navigation system for X-ray machines as claimed in claim 1, wherein: the right-hand member of horizontal support pole is equipped with the screw thread, is equipped with the screw hole in the spherical universal joint, and horizontal support pole spiro union is on spherical universal joint, and the spherical universal joint cooperation is installed in the spherical slotted hole that is equipped with in the guide pin fixing base.
7. The pedicle screw navigation system for X-ray machines as claimed in claim 1, wherein: the guide pin is of a conical structure with a thick upper part and a thin lower part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821716359.9U CN209789995U (en) | 2018-10-23 | 2018-10-23 | Pedicle screw navigation system under X-ray machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821716359.9U CN209789995U (en) | 2018-10-23 | 2018-10-23 | Pedicle screw navigation system under X-ray machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209789995U true CN209789995U (en) | 2019-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821716359.9U Active CN209789995U (en) | 2018-10-23 | 2018-10-23 | Pedicle screw navigation system under X-ray machine |
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| CN (1) | CN209789995U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111795277A (en) * | 2020-06-13 | 2020-10-20 | 安徽国达城建设施科技有限公司 | Interim intelligent monitoring device |
| CN114631962A (en) * | 2022-03-08 | 2022-06-17 | 郜鸿 | Vertebral pedicle screw positioning system |
-
2018
- 2018-10-23 CN CN201821716359.9U patent/CN209789995U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111795277A (en) * | 2020-06-13 | 2020-10-20 | 安徽国达城建设施科技有限公司 | Interim intelligent monitoring device |
| CN114631962A (en) * | 2022-03-08 | 2022-06-17 | 郜鸿 | Vertebral pedicle screw positioning system |
| CN114631962B (en) * | 2022-03-08 | 2023-10-10 | 中国人民解放军空军军医大学 | Vertebral pedicle screw positioning system |
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