CN208404821U - A kind of metal spinal surgery sets nail omniselector - Google Patents

Abstract

The utility model discloses a kind of metal spinal surgeries to set nail omniselector, including origin reference location bar, in vacant nail rod and gravity Angle protractor, origin reference location bar upper end is in tetrahedral, its lower end is equipped with tip, origin reference location club shaft side can lean against on occipital bone, the other side is connected with a fan-shaped double guide rail structures, angle mark is carved in its front, in vacant nail rod main part be in cuboid, hollow channel is equipped among the main part of vacant nail rod in, in vacant nail rod parallelepiped body portion top side be equipped with an arc-shaped thin slice, the center of circle of arc-shaped thin slice is the tip of benchmark locating rod, arc-shaped thin slice front indicates angle index, in the vacant nail rod top other side be connected with cylindrical body, gravity Angle protractor is rectangle chip shape, its top is equipped with hole, the center of gravity Angle protractor is equipped with a fan groove, This programme is simple to operate, reduces operating time, reduces surgery cost.

Description

A kind of metal spinal surgery sets nail omniselector

Technical field

The utility model relates to technical field, specially a kind of metal spinal surgery sets nail omniselector.

Background technique

At present when clinical treatment pillow neck junctional area unstability, the main fixed form of cranium side is that " occipital bone steel plate screw is solid It is fixed ", " way of escape occipital condyle screw fixing system " is proposed to supplement or substitute " occipital bone steel plate by scholars such as Uribe within 2008 Screw fixing system ", new " way of escape occipital condyle screw fixing system " avoid risk existing for traditional technology from some aspects And deficiency, and its biomechanical property and dissection feasibility have obtained the affirmative of domestic and foreign scholars.But " way of escape occipital condyle Screw fixing system " needs to be related to this danger zone of occipital condyle, around there is hypoglossal canal, vertebral artery, condylar emissary vein, neck The important features such as marrow, atlanto occipital joint, the safety on vertical direction set nail space even within 5mm, rely solely on preoperative image It learns planning and fluoroscopy during operation is difficult to set nail safely, therefore limit the popularization and application of this technology.Currently with three-dimensional navigation in art Although the screw merging accuracy of " way of escape occipital condyle screw fixing system " can be improved in technology, reduce the incidence of complication, But its expense is high, increases operating time and needs longer learning curve；On the other hand, although 3D printing guide plate is smoothly answered Nail is set used in other centrums, but the rear exposed area of occipital condyle is too small, there is the obstruction of vertebral artery in lower section, none is enough The anatomical structure of specificity matches guide plate, therefore is also difficult to achieve the purpose that safety sets nail using " 3D printing technique ".

Auxiliary reported in the literature, which sets nail method, at present mainly " three-dimensional navigation technology in art " and " 3D printing guide plate technology ", The former there are expenses it is high, opportunity of operation is long, learning curve is long the disadvantages of, be difficult to promote in the hospital of middle and small scale；And the latter Because the particularity of occipital condyle dissection is also difficult to apply setting in nail in way of escape occipital condyle screw.Although current way of escape occipital condyle spiral shell The nail parameter of setting of nail has had certain standard, but manually sets nail according to preoperative CT and still need outside veteran backbone Section doctor implements, in order to avoid important adjacent structure around damage.Therefore lack one currently on the market for way of escape occipital condyle spiral shell Nail sets the householder method of nail, causes the technical application and big, the at high cost quagmire of Difficulty, operation risk.

Utility model content

Because the nail parameter of setting of current way of escape occipital condyle screw has had certain standard, and preoperative CT Three-dimensional Gravity Building technology also allows simulation operation to become possibility, so how accurately to answer preoperative simulation operation obtained " setting nail parameter " Using becomes the key solved the problems, such as in actual operation, in order to overcome the shortcomings of prior art, the utility model is provided A kind of metal spinal surgery sets nail omniselector, and setting nail parameter mainly includes " entry point ", " head inclination angle " and " leaning angle ", In " head inclination angle " be difficult in art to determine under naked eyes or perspective because of the dissection specificity of occipital condyle.We are published in " Chinese backbone Spinal cord magazine " on research shows that: " the head inclination angle " of way of escape occipital condyle screw and " screw-occipital bone angle of contingence " are linear related, And " screw-occipital bone angle of contingence " determines " screw-occipital bone tangent line under only need to visually looking at straight in art because outside sclerotin Angle ", it can determine occipital condyle screw " head inclination angle " parameter." entry point " and " leaning angle " can visually determine in art.

Nail is set technical solution adopted by the utility model to solve its technical problems is a kind of metal spinal surgery to lead Navigate device, including origin reference location bar, in vacant nail rod and gravity Angle protractor, the origin reference location bar be elongated solid rod-like structure, And the upper end is in tetrahedral, lower end is equipped with tip, and origin reference location club shaft side can lean against on occipital bone, and described The other side is connected with a fan-shaped double guide rail structures on origin reference location club shaft, and the sector double guide rail structures are in origin reference location bar The center of the body of rod, fan-shaped double guide rail structures front be carved with angle mark, it is described in vacant nail rod main part in length Cube, is equipped with hollow channel in described among the main part of vacant nail rod, it is described in vacant nail rod parallelepiped body portion top Portion side is equipped with an arc-shaped thin slice, it is described in vacant nail rod main part with arc-shaped thin slice in conjunction in sickle shaped, it is described The center of circle of arc-shaped thin slice is the tip of benchmark locating rod, and arc-shaped thin slice front indicates angle index, it is described in it is vacant The nail rod top other side is connected with cylindrical body, and the gravity Angle protractor is rectangle chip shape, and its top is equipped with hole, institute Gravity Angle protractor center is stated equipped with a fan groove, the fan groove front is equipped with angle mark.

As the utility model a preferred technical solution, the length of the origin reference location bar is 100mm, and fan-shaped pair is led The top of rail structural distance origin reference location bar is 50mm.

As the utility model a preferred technical solution, it is described in vacant nail rod a height of 3*3*90mm of length and width.

As the utility model a preferred technical solution, the diameter of the cylindrical body is 2mm, and the diameter of hole is 2.2mm。

Compared with prior art, the utility model has the beneficial effects that the novel navigation instrument is obtained using preoperative planning Set nail parameter, 1) before skin is cut in operation instrument angle can be adjusted using 1-2 minutes, it is only necessary to visually determine in art into nail After point, omniselector is placed.Can the screw way in vacant nail rod directly set nail, can effectively avoid hypoglossal canal, Vertebral artery, atlanto occipital joint, it is simple to operate, reduce operating time for three-dimensional navigation technology in art, reduces Surgery cost optimizes learning curve, is conducive to Technique Popularizing；2) for 3D printing guide plate, when reducing Preoperative Method Between, reduce the muscle periosteum stripping amount for setting nail peripheral region；3) this omniselector is metal material, can high temperature and high pressure steam disinfection Sterilizing, it is reusable, alleviate the financial burden of patient and hospital；4) highly-safe, in practice, utilize the instrument 3D printing model set nail, screw diameter 3.5mm on the 5 moist corpse of tool, preoperative and postoperative carries out CT examination verifying, all corpse Body successfully sets nail, and the damage of hypoglossal canal, vertebral artery, atlanto occipital joint occurs without an example.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the utility model left view figure structure schematic representation.

In figure: 1- origin reference location bar；Vacant nail rod in 2-；3- gravity Angle protractor；The tip 4-；5- sector double guide rail structures； 6- hollow channel；The arc-shaped thin slice of 7-；8- angle index；9- cylindrical body；10- hole；11- fan groove.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Embodiment:

As shown in Figure 1, the utility model, which provides a kind of metal spinal surgery, sets nail omniselector, including origin reference location Bar 1, in vacant nail rod 2 and gravity Angle protractor 3, the origin reference location bar 1 is elongated solid rod-like structure, the length is 100mm, And the upper end is in tetrahedral, lower end is equipped with tip 4, and 1 body of rod side of origin reference location bar can lean against on occipital bone, and institute It states the other side on 1 body of rod of origin reference location bar and is connected with a fan-shaped double guide rail structures 5, angle is carved in the sector double guide rail structures front Scale is known, to nail rod 2 vacant in limiting, and the angle in can determining between vacant nail rod 2 and origin reference location bar 1, institute State the center that fan-shaped 5 position of double guide rail structures is in 1 body of rod of origin reference location bar, it is described in vacant nail rod 2 main part In cuboid, it is described in vacant nail rod 2 a height of 3*3*90mm of length and width, set among the main part of vacant nail rod 2 in described Have hollow channel 6, for by guide pin, it is described in the parallelepiped body portion top side of vacant nail rod 2 to be equipped with an arc-shaped thin Piece 7, it is described in vacant 2 main part of nail rod combined with arc-shaped thin slice 7 in sickle shaped, the center of circle of the arc-shaped thin slice 7 is The tip of origin reference location bar 1,7 front of arc-shaped thin slice indicate angle index 8, it is described in the vacant 2 top other side of nail rod It is connected with cylindrical body 9, the gravity Angle protractor 3 is rectangle chip shape, and its top is equipped with hole 10, the gravity angulation 3 center of plate is equipped with a fan groove 11, and 11 front of fan groove is equipped with angle mark 12, to observe gravity Angle protractor 3 and in vacant nail rod 2 relative angle.

Preferably, angle mark is carved in 5 front of the fan-shaped double guide rail structures, to nail rod 2 vacant in limiting, and Angle in can determining between vacant nail rod 2 and origin reference location bar 1.

Preferably, the diameter of the cylindrical body is 2mm, and the diameter of hole is 2.2mm, is used for and 3 groups of gravity Angle protractor Dress, to gravity Angle protractor 3 and it is described in vacant nail rod 2 connection.

The specifically used method of the utility model: preoperative planning patient rests the head on neck CT, determines that the way of escape is rested the head on according to reconstruction image Bone condyle screw sets nail parameter, records entry point position, leaning angle, the screw-occipital bone angle of contingence respectively, preoperative that opposed nail is also needed to lead Navigate device sterilization, after drape of washing one's hands, is first adjusted according to the leaning angle of preoperative determination and screw-occipital bone angle of contingence before cutting skin Nail omniselector is set well, after successively cutting exposure occipital condyle rear, anchor point is selected according to the entry point position of preoperative determination, by base The anchoring of tip 4 of quasi- locating rod 1 in the position, then tilts omniselector, Zhi Daozhong according to the angular side of the introversion of preoperative determination Vacant nail rod 2 and 3 angle of gravity Angle protractor are equal to leaning angle, and the benchmark of omniselector is then set nail rod 1 and is leaned in aquamous part of occipital bone, Vacant nail rod carries out setting nail at this time can passing through guide pin.

The utility model is mainly characterized by, which sets nail parameter using what preoperative planning obtained, and 1) Instrument angle can be adjusted using 1-2 minutes before skin is cut in operation, it is only necessary to after visually determining entry point in art, place and lead Navigate device.Can the screw way in vacant nail rod directly set nail, can effectively avoid hypoglossal canal, vertebral artery, extensive region pillow close Section, it is simple to operate, reduce operating time for three-dimensional navigation technology in art, reduce surgery cost, optimizes Learning curve is conducive to Technique Popularizing；2) for 3D printing guide plate, reduce preoperative preparation time, reduce and set nail The muscle periosteum stripping amount of peripheral region；3) this omniselector be metal material, can high temperature and high pressure steam sterilization, repeat benefit With alleviating the financial burden of patient and hospital；4) highly-safe, in practice, utilize the 3D printing model of the instrument Nail, screw diameter 3.5mm are set on the 5 moist corpse of tool, preoperative and postoperative carries out CT examination verifying, and all corpse are successfully set Nail, and the damage without an example generation hypoglossal canal, vertebral artery, atlanto occipital joint.

It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting Related claim.

Claims (5)

1. a kind of metal spinal surgery sets nail omniselector, including origin reference location bar (1), in vacant nail rod (2) and gravity amount Gusset (3), it is characterised in that: the origin reference location bar (1) is elongated solid rod-like structure, and the upper end is in tetrahedral, Lower end is equipped with tip (4), and origin reference location bar (1) body of rod side can lean against on occipital bone, and the origin reference location bar (1) bar The other side is connected with a fan-shaped double guide rail structures (5) on body, and sector double guide rail structures (5) position is in origin reference location bar (1) center of the body of rod, fan-shaped double guide rail structures (5) front be carved with angle mark, it is described in vacant nail rod (2) main body Part is in cuboid, is equipped with hollow channel (6) among the main part of vacant nail rod (2) in described, it is described in vacant nail rod (2) parallelepiped body portion top side be equipped with an arc-shaped thin slice (7), it is described in vacant nail rod (2) main part and circular arc It is in sickle shaped that shape thin slice (7), which combines, and the center of circle of the arc-shaped thin slice (7) is the tip of benchmark locating rod (1), the arc-shaped Thin slice (7) front indicates angle index (8), it is described in vacant nail rod (2) the top other side be connected with cylindrical body (9), it is described heavy Strength gusset (3) is rectangle chip shape, and its top is equipped with hole (10), to be connected with cylindrical body, the gravity amount Gusset (3) center is equipped with a fan groove (11), and angle mark (12) are carved in front.

2. a kind of metal spinal surgery according to claim 1 sets nail omniselector, it is characterised in that: the benchmark is fixed The length of position bar (1) is 100mm, and top of the fan-shaped double guide rail structures (5) apart from origin reference location bar (1) is 50mm.

3. a kind of metal spinal surgery according to claim 1 sets nail omniselector, it is characterised in that: vacant in described The a height of 3*3*90mm of length and width of nail rod (2).

4. a kind of metal spinal surgery according to claim 1 sets nail omniselector, it is characterised in that: described fan-shaped double It is carved with angle mark in guide rail structure (5) front.

5. a kind of metal spinal surgery according to claim 1 sets nail omniselector, it is characterised in that: the cylindrical body (9) diameter is 2mm, and the diameter of hole (10) is 2.2mm.