CN104398300A - Vertebral pedicle guider for minimally invasive surgery - Google Patents
Vertebral pedicle guider for minimally invasive surgery Download PDFInfo
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- CN104398300A CN104398300A CN201410779076.9A CN201410779076A CN104398300A CN 104398300 A CN104398300 A CN 104398300A CN 201410779076 A CN201410779076 A CN 201410779076A CN 104398300 A CN104398300 A CN 104398300A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/90—Guides therefor
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Abstract
The invention relates to a positioning device for an orthopedics department, especially relates to a vertebral pedicle guider for a minimally invasive surgery, and belongs to the technical field of medical equipment. According to the technical solution of the invention, the vertebral pedicle guider comprises a measurement positioning board and an angle positioning rod connected by a movable joint, and the connecting joint of the angle positioning rod and the measurement positioning board is provided with an angle measuring board and a temporary fixing mechanism. The vertebral pedicle guider is applied to the minimally invasive surgery of a spinal vertebral body in the orthopedics department and can be freely adjusted in angle to position the puncture direction in surgery, so that the positioning efficiency and accuracy can be improved and the guider has the advantages of security and reliability.
Description
Technical field
The present invention relates to a kind of Minimally Invasive Surgery pedicle of vertebral arch guider, belong to the technical field of medical apparatus and instruments.
Background technology
Vertebroplasty refers to that percutaneous increases vertebral body strength and stability by injecting bone cement in pedicle of vertebral arch or the export-oriented vertebral body of pedicle of vertebral arch to reach, and prevent from subsiding, alleviating pain, even part recovers a kind of Wicresoft spinal surgery technology for the purpose of vertebral height.Vertebroplasty is percutaneous vertebroplasty especially, and advantage is: wound is little, and puncture needle is thrust vertebral body; Safety is high, seldom occurs that neural blood vessel damages; Curative effect certainly, postoperative a couple of days symptom obviously alleviate, curative effect is lasting.Therefore, this art formula is widely adopted, especially in gerontal patient.
But vertebroplasty is operate under x-ray radiography, not straightforward manipulation, the preoperative Reusability C arm machine that needs is located, and relies on the surgical experience of clinicist repeatedly to adjust when puncture needle arrives appropriate angle position can to operate.When the doctor that young or clinical experience enrich not operates, unavoidable increase film making number of times, amount of radiation suffered by doctors and patients increases, and increases puncture time, increases patient suffering.Even if the doctor that clinical experience is abundant, also the unavoidable C arm machine that repeatedly uses when locating is made film location.A kind of simple and practical Minimally Invasive Surgery pedicle of vertebral arch guider of clinical needs, reduces operating difficulty, improves procedure efficiency, increases operation safety.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of Minimally Invasive Surgery pedicle of vertebral arch guider, it is simple and compact for structure, easy to use, and clinicist can be helped to improve location efficiency and accuracy when vertebral pedicle puncture, increases operation safety.
According to technical scheme provided by the invention, described Minimally Invasive Surgery pedicle of vertebral arch guider, comprise the measurement and positioning plate for measuring point of puncture and spinal column distance during vertebrae minimal invasive surgery and the angle orientation rod for locating puncture direction, described measurement and positioning plate and angle orientation rod are flexibly connected by movable joint.
Described measurement and positioning plate arranges the angular measurement plate for take measurement of an angle locating bar major axis and measurement and positioning plate major axis angulation angle centered by movable joint.
Described measurement and positioning plate arranges length scale line.
The reset of described length scale line is in movable joint central horizontal.
The contiguous movable joint one end of described measurement and positioning plate is arranged can by the temporary fixed joint temporary securing mechanism of measurement and positioning plate and angle orientation rod position.
Described joint temporary securing mechanism comprises the joint positioning screw hole being arranged on the contiguous movable joint one end of measurement and positioning plate and the joint bolt be embedded in the positioning screw hole of joint.Described joint positioning screw hole runs through connection movable joint by measurement and positioning plate surface.Described joint bolt and adaptive also can the turning in the positioning screw hole of joint of joint positioning screw hole advance or retreat.Described joint bolt length is greater than joint positioning screw hole.
Described measurement and positioning plate is arranged can along the level and smooth sliding bar of measurement and positioning plate major axis, and the major axis of described sliding bar is connected with vertical angle with the major axis of measurement and positioning plate.
Described slide bar is arranged the slide bar temporary securing mechanism that sliding bar can be temporarily fixed on measurement and positioning plate.
Described slide bar temporary securing mechanism comprises the slide bar positioning screw hole be arranged on sliding bar and the slide bar bolt be embedded in slide bar positioning screw hole; Described slide bar positioning screw hole runs through side sliding bar bar wall; Described slide bar bolt and bar wall slide bar positioning screw hole adaptation also can be advanced or retreat in slide bar positioning screw hole.The length of described slide bar bolt is greater than slide bar positioning screw hole.
Described movable joint comprise be arranged on measurement and positioning plate one end can to angle locating bar set spacing and be flexibly connected joint link slot and be arranged on angle orientation rod one end give prominence to bulge formation joint be connected projection; Described joint connects projection and joint link slot form fit, and joint connects projection and can set and spacingly also to rotate in the link slot of joint in the link slot of joint.
The described joint being arranged on angle orientation rod one end connects projection and is preferably convex spherical structure.Be arranged on joint, measurement and positioning plate one end link slot now and be preferably more than half spherical structure groove, the spherical inner diameter that its spherical inner diameter connects projection compared with joint is slightly large.Described joint connects projection and can set and spacingly to rotate in the link slot of joint.
Described angle orientation rod runs through major axis and arranges hollow duct.
Described angle orientation rod connects the other end of projection hollow duct extreme ends at opposed articulation arranges horn mouth.
Described angle orientation rod is set to detachable structure, separates the two or more angle orientation rod running through hollow duct of rear formation and separates assembly, forms complete angle orientation bar structure after assembly split separated by two or more angle orientation rod.
The joint connection groove section of described measurement and positioning plate one end is divided and is set to detachable structure, separate rear formation arthrodesis portion measurement and positioning plate and half groove measurement and positioning plate, after described arthrodesis portion measurement and positioning plate is separated, being embedded in joint link slot intrinsic articulation connection projection can deviate from from half groove measurement and positioning plate groove.The detachable structure of described measurement and positioning plate comprises the point-like being arranged on joint link slot weak part and cuts off off-line.
Described arthrodesis portion measurement and positioning plate and half groove measurement and positioning plate are separated that position arranges can by arthrodesis portion measurement and positioning plate and half groove measurement and positioning plate split and temporary fixed measurement plate temporary securing mechanism.
Described measurement plate temporary securing mechanism is set to buckle structure, according to this structure: be set to from disconnected structure at the link slot position, joint of measurement and positioning plate one end, and arrange buckle from broken string side, corresponding opposite side arranges fixture block.After buckle snaps in fixture block, the split of measurement and positioning plate is as a whole, and split position is preferably the centrage of joint link slot spherical structure.
Described angular measurement plate is semi-circle shape, and edge, semi-circular arc face arranges angle index line, and semicircle both ends are arranged can fix projection by the angular measurement plate be movably connected on measurement and positioning plate by angular measurement plate; Described measurement and positioning plate and angular measurement plate are fixed projection correspondence position and are arranged and can fix projection to angular measurement plate and set spacing angular measurement plate fixed groove, and angular measurement plate is fixed projection and can be rotated in angular measurement plate fixed groove.
The angular measurement plate that described angular measurement plate is arranged fixes the preferred cylindrical structure of projection, and the angular measurement plate fixed groove now described measurement and positioning plate arranged is more than half cylinder groove, and it is similar that its profile and angular measurement plate fix projection, and size is slightly large.Described angular measurement plate is fixed projection and can be set and spacingly to rotate in angular measurement plate fixed groove.
It can be convex spherical structure that the angular measurement plate that described angular measurement plate is arranged fixes projection.The angular measurement plate fixed groove now described measurement and positioning plate arranged is preferably more than half spherical structure groove, and it is similar that its profile and angular measurement plate fix projection, and size is slightly large.Described angular measurement plate is fixed projection and can be set and spacingly to rotate in angular measurement plate fixed groove.
Advantage of the present invention: can assisting operation doctor accurately locate site of puncture, direction and angle, lowers operating difficulty, and its structure is simple, easy to use, improves procedure efficiency, increases operation safety.
Accompanying drawing explanation
Fig. 1 is whole implementation shape and structure figure of the present invention.
Fig. 2 is the front view of angular measurement plate of the present invention.
Fig. 3 is measurement and positioning plate top view of the present invention
Fig. 4 is that measurement and positioning plate side view of the present invention and joint bolt assembly relation implement shape and structure figure.
Fig. 5 is the side view of sliding bar of the present invention.
Fig. 6 is the top view of sliding bar of the present invention.
Fig. 7 is that shape and structure figure implemented by angle orientation of the present invention rod.
Fig. 8 is angle orientation rod of the present invention is that shape and structure figure is implemented in two parts splits.
Fig. 9 is that measurement and positioning plate of the present invention arranges point-like at joint link slot weak part and cuts off off-line, and cuts off off-line from the top view of having no progeny through point-like.
Figure 10 is the side view of measurement and positioning plate of the present invention after joint link slot weak part arranges buckle structure and is separated.
Figure 11 is the top view of measurement and positioning plate of the present invention after joint link slot weak part arranges buckle structure and is separated.
Figure 12 is the schematic diagram that the present invention completes at hands Intraoperative position.
Description of reference numerals: 1-measurement and positioning plate, 11-arthrodesis portion measurement and positioning plate, 12-half groove measurement and positioning plate, 13-point-like cuts off off-line, 14-angular measurement plate fixed groove, 2-angle orientation rod, 21-hollow duct, 22-horn mouth, 3-movable joint, 31-joint link slot, 32-joint connects projection, 4-angular measurement plate, 41-angular measurement plate fixes projection, 5-joint temporary securing mechanism, 51-joint positioning screw hole, 52-joint bolt, 6-sliding bar, 61-slide bar trepanning, 62-slide bar main body, 7-slide bar temporary securing mechanism, 71-slide bar positioning screw hole, 72-slide bar bolt, 81-buckle axle block, 82-buckle clasp, 83-buckle button block, 91-spinous process, 92-transverse process, 93-vertebral foramen, 94-vertebral body.
Detailed description of the invention
Below in conjunction with concrete drawings and Examples, the invention will be further described.
As shown in Figure 1: in order to surgical doctor can be made, site of puncture, direction and angle are accurately located, improve procedure efficiency, increasing operation safety, the present invention includes the measurement and positioning plate 1 for point of puncture and spinal column distance can be measured during vertebrae minimal invasive surgery and the angle orientation rod 2 for locating puncture direction.Described measurement and positioning plate 1 and angle orientation rod 2 are flexibly connected by movable joint 3, can random adjustment direction angle.
Particularly, measurement and positioning plate 1 is preferably long strip-board shape structure.With reference to the operation under C arm machine is auxiliary of preoperative image data during use: first, angle orientation rod 2 is placed in and prepares puncture patient body side, and measurement and positioning plate 1, positions along the translation of spinal column major axis vertebral body horizontal plane perpendicular to spinal column.After vertebral body horizontal plane has been located, measurement and positioning plate 1, along own long axis translation, positions the relative spinal column optimum distance of point of puncture.Finally, the angle orientation of adjustment angle orientation rod 2 relative measurement location-plates 1, accurately locates puncture direction.After more than having located, can puncture along angle orientation rod 2 directions and carry out subsequent procedures operation.
Described measurement and positioning plate 1 arranges angular measurement plate 4 centered by movable joint 3, in order to measure the angle of measurement and positioning plate 1 major axis and angle orientation rod 2 major axis angulations, playing indicative function when adjusting angle orientation rod (2) orientation and angle, avoiding blindly affected.
Shown in Fig. 2: in the embodiment of the present invention, described angular measurement plate 4 is preferably semicircular structure, centered by the semicircle center of circle (i.e. the sphere mid point of movable joint 3), at arc edge labelling angle index, in order to accurately to measure measurement and positioning plate 1 and angle orientation rod 2 at angular measurement plate 4 angulation.
As shown in Figure 3: described measurement and positioning plate 1 arranges length scale line.In the embodiment of the present invention, with the mid point of movable joint 3 for not arrange one end mark lengths scale numerical value of angle orientation rod 2 zero point to measurement and positioning plate 1.The vertical dimension between point of puncture to spinal column in measurement and positioning plate 1 plane can be calculated according to preoperative image data, use the rule that measurement and positioning plate 1 is arranged accurately to locate point of puncture in operation, increase positioning precision.
As shown in Figure 1: contiguous movable joint 3 one end of described measurement and positioning plate 1 arranges the joint temporary securing mechanism 5 be used for temporary fixed for the position of measurement and positioning plate 1 and angle orientation rod 2.Like this, temporary locking joint temporary securing mechanism 5 after positioning action completes, makes measurement and positioning plate 1 relative with the position of angle orientation rod 2 fixing, avoids, when follow-up puncture procedure, shift in position occurs, and reduces error chance of occurrence.And after puncture procedure completes, joint temporary securing mechanism 5 of loosening, shirks Minimally Invasive Surgery pedicle of vertebral arch guider of the present invention, conveniently carry out next step operation technique.
As shown in Figure 4: described joint temporary securing mechanism 5 comprises the joint positioning screw hole 51 being arranged on end, measurement and positioning plate 1 adjacent joints link slot 31 one end and the joint bolt 52 be embedded in joint positioning screw hole 51.Described joint positioning screw hole 51 circular pore space structure, is run through by measurement and positioning plate 1 one end end surface and is communicated with joint link slot 31.Corresponding, joint bolt 52 also with joint positioning screw hole 51 is adaptive can advances or retreat in joint positioning screw hole 52.Described joint bolt 52 length is greater than joint positioning screw hole 51, when needing locking joint temporary securing mechanism 5, forward adjusting joint bolt 52, joint bolt 52 is advanced to movable joint 3 at joint positioning screw hole 51, until bolt 52 top is stuck on the angle orientation rod 2 that is arranged in joint link slot 31, thus the position of measurement and positioning plate 1 and angle orientation rod 2 is fixed.Reverse operating when needing to loosen, repeats no more herein.
Described joint bolt 52 outer wall and joint positioning screw hole 51 inwall arrange the screw thread of coupling, and the adjustment action making joint bolt 52 vertical is converted into spinning movement, increase the stability regulated, and strengthen stability during temporary locking simultaneously.
One end of described joint bolt 52 is expanded and is set to operating grip, preferred spiral shell cap-like structure, and nut structure surface arranges lines, increases regulating friction force, handled easily; The other end of the relative nut of described joint bolt 52 arranges cushion, avoids damaging angle locating bar 2, and strengthens locking dynamics.
As shown in Figure 1: described measurement and positioning plate 1 is arranged can along the level and smooth sliding bar 6 of measurement and positioning plate major axis, and the major axis of described sliding bar 6 is connected with vertical angle with the major axis of measurement and positioning plate 1; Sliding bar 6 can along the smoothly movement of measurement and positioning plate 1 major axis.During use, vertebral body level aimed at by measurement and positioning plate 1, and the described sliding bar 6 that slides makes sliding bar 6 median line aim at spinal column median line; Now sliding bar 6 maintains static, described measurement and positioning plate 1 adjusts along own long axis (namely with sliding bar 6 vertical angle) is mobile, the point of puncture calculated according to preoperative image data is apart from the distance of spinal column median line, read the length scale numerical value of sliding bar 6 median line on measurement and positioning plate 1, determine suitable point of puncture position.For convenience of reading the scale of sliding bar 6 median line on measurement and positioning plate 1, sliding bar 6 median line position can arrange hollow structure, or adopts transparent material.
As shown in Figure 5, Figure 6: described sliding bar 6 is integrally made up of slide bar trepanning 61 and slide bar main body 62.Arrange ring set endoporus in described slide bar trepanning 61, ring set endoporus ring set is on measurement and positioning plate 1, and ring set endoporus hollow shape size is mated with sliding bar 6, and described sliding bar 6 and measurement and positioning plate 1 can keep vertical relation relative translation.Slide bar main body 62 needs just to spinal column median line when specific embodiments of the present invention use, and plays foundation location effect.
Described sliding bar 6 is arranged the slide bar temporary securing mechanism 7 that sliding bar 6 can be temporarily fixed on measurement and positioning plate 1.Fixed mechanism 7 can will be locked after described sliding bar 6 and measurement and positioning plate 1 pair of vertebral body plane and puncture point orientation complete, position skew when preventing subsequent operation temporarily.
Described slide bar temporary securing mechanism 7 comprises and is arranged on the slide bar positioning screw hole 71 arranged on slide bar trepanning 61 and the slide bar bolt 72 be embedded in slide bar positioning screw hole; Described slide bar positioning screw hole 71 is preferably circular opening and runs through side sliding bar 6 sidewall.Described slide bar bolt 72 length is greater than slide bar positioning screw hole 71, slide bar bolt 72 advances or retreats with bar wall slide bar positioning screw hole 71 adaptive also can leading in slide bar positioning screw hole 71, in order to the position relationship locked or loosen between sliding bar 6 and measurement and positioning plate 1.
When needing locking slide bar temporary securing mechanism 7, forward regulates slide bar bolt 72, slide bar bolt 72 is advanced to the measurement and positioning plate 1 in slide bar trepanning 61 at slide bar positioning screw hole 71, until slide bar bolt 72 top is stuck on the measurement and positioning plate 1 that is arranged in slide bar positioning screw hole 71, thus the position of measurement and positioning plate 1 and sliding bar 6 is fixed.Reverse operating when needing to loosen, repeats no more herein.
Described slide bar bolt 72 outer wall and slide bar positioning screw hole 71 inwall arrange the screw thread of coupling, increase stability when adjustment and temporary locking.
One end of described slide bar bolt 72 is expanded and is set to operating grip, preferred spiral shell cap-like structure, and nut structure surface arranges lines, increases regulating friction force, handled easily; The other end of the relative nut of described slide bar bolt 72 arranges cushion, avoids the damage of measurement and positioning plate 1 and strengthens locking dynamics.
In this programme, detailed description of the invention has other schemes many, repeats no more herein.
As shown in Fig. 1, Fig. 3, Fig. 4 and Fig. 7: as described in movable joint 3 comprise be arranged on joint, measurement and positioning plate 1 one end link slot 31 be arranged on angle orientation rod 2 ends, one end joint be connected projection 32.Described joint connects projection 32 and mates with joint link slot 31, and joint connects projection 32 and can set and spacingly also significantly to rotate to all directions in joint link slot 31 in joint link slot 31.In specific embodiments, the minimum angles preferably 30 degree that angle orientation rod 2 major axis and measurement and positioning plate 1 plane all directions are formed.
The described joint being arranged on angle orientation rod 2 one end connects projection 32 and is preferably convex spherical structure.Correspondingly, described in be arranged on the groove that joint, measurement and positioning plate 1 one end link slot 31 is more than half concave ball shape structure, it is slightly large that joint link slot 31 spherical inner diameter connects the spherical inner diameter of projection 32 compared with joint.Make to state joint connect projection 32 can set spacing in the link slot of joint large rotation angle.
As shown in Figure 7: described angle orientation rod 2 runs through major axis and arranges hollow duct 21, its effect is: after the present invention has located puncture direction, puncture needle positions puncture via described hollow duct 21.Described hollow duct 21 the internal diameter preferably comparatively slightly large and coupling of positioning puncture needle external diameter, the puncture error that positioning puncture needle is caused at hollow duct 21 bias internal is less, and frictional resistance is less simultaneously, localised puncture relative ease.
The hollow duct 21 that described angle orientation rod 2 is arranged connects the other end of projection at opposed articulation and arranges horn mouth 22, comparatively easy when when making positioning puncture needle import hollow duct 21, localised puncture needle end inserts hollow duct 21, avoids strict alignment operation.
As shown in Figure 8: described angle orientation rod 2 is set to detachable structure, separate the two or more angle orientation rod running through hollow duct 21 of rear formation and separate assembly, after assembly split separated by two or more angle orientation rod, form complete angle orientation rod 2 structures.
In specific embodiments of the present invention, described angle orientation rod 2 preferably along the center axis of symmetry one cut open be two symmetrical structure.Certainly, also can be eccentric cutting, and decoupling plane differs and is decided to be an even surface, but cutting plane longitudinally must run through hollow duct 21, and the remnants of defeated troops that the hollow duct 21 of any part cross section of assembly separated by any one angle orientation rod are less than half hollow duct 21.Its actual clinical meaning is: to complete and after opening joint link slot 31 when puncture needle to position puncture via hollow duct 21, angle orientation rod 2 can be divided into two through cutting plane easily, easily remove angle orientation rod 2 each assemblies through both sides dismounting, the stability of positioning puncture needle can be ensured when 2 dismounting of angle orientation rod.Such as, especially when positioning puncture needle tail end expands, when positioning puncture needle tail end arranges injection connector, remove angle orientation rod 2 through both sides dismounting just more necessary to carry out next step operation technique.
Certainly, the assembling parts that angle orientation rod 2 also can be set to be greater than two forms, but decoupling plane longitudinally must run through hollow duct 21, and the remnants of defeated troops that the hollow duct 21 of any part cross section of assembly separated by any one angle orientation rod are less than half hollow duct 21.Functional meaning repeats no more herein.
As shown in Fig. 9, Figure 10 and Figure 11: as described in measurement and positioning plate 1 one end be set to detachable structure in joint link slot 31 part, separate rear formation arthrodesis portion measurement and positioning plate 11 and half groove measurement and positioning plate 12.After described arthrodesis portion measurement and positioning plate 11 and half groove measurement and positioning plate 12 are separated, being embedded in joint link slot 31 intrinsic articulation connection projection 32 can deviate from easily from half groove measurement and positioning plate groove.The split face of separating is preferably along median line cross-section joint link slot 31, meaning is: after positioning puncture needle completes localised puncture, by this detaching structure, joint link slot 31 is dismantled open, thus dismounting measurement and positioning plate 1, measurement and positioning plate 1 is departed from angle orientation rod 2.The detachable structure of described measurement plate comprises the point-like being arranged on joint link slot 31 weak part and cuts off off-line 13.Before puncture needle localised puncture completes, measurement and positioning plate 1 cuts off off-line 13 via point-like and is connected to become entirety, bears complete function; After puncture needle localised puncture completes, firmly tear the two ends that measurement and positioning plate 1 point-like cuts off off-line 13, make measurement and positioning plate 1 cut off off-line 13 via point-like and be fractured into arthrodesis portion measurement and positioning plate 11 and half groove measurement and positioning plate 12.
As shown in Figures 10 and 11: described arthrodesis portion measurement and positioning plate 11 and half groove measurement and positioning plate 12 separate that structure position arranges can by arthrodesis portion measurement and positioning plate 11 and half groove measurement and positioning plate 12 split and temporary fixed measurement plate temporary securing mechanism.Use before localised puncture operation and measure plate temporary securing mechanism by arthrodesis portion measurement and positioning plate 11 and the as a whole use of half groove measurement and positioning plate 12 temporary locking.Through measuring plate temporary securing mechanism, measurement and positioning plate 1 is dismantled after localised puncture completes.Its meaning is equal to the meaning that joint link slot 31 part is set to detachable structure, just can repeat assembling and use, repeat no more herein.
As shown in Figure 10, Figure 11: described measurement plate temporary securing mechanism is set to buckle structure, according to this structure: described measurement and positioning plate 1 is set to from disconnected structure at joint link slot 31 place, described measurement and positioning plate 1 is through being split as arthrodesis portion measurement and positioning plate 11 and half groove measurement and positioning plate 12 from broken string.In the contiguous split of arthrodesis portion measurement and positioning plate 11, two buckle axle blocks 81 are set respectively from the side, both sides of one end of broken string, embed through two buckle axle blocks 81 and buckle clasp 82 is set.Correspondingly, the contiguous split of half groove measurement and positioning plate 12 arranges buckle button block 83 from side, both sides, one end corresponding position of broken string.Arthrodesis portion measurement and positioning plate 11 and half groove measurement and positioning plate 12 along split after broken string split, described buckle clasp 82 can snap in buckle and buckle block 83, when buckle clasp 82 snaps in after buckle buckles block 83, arthrodesis portion measurement and positioning plate 11 and half groove measurement and positioning plate 12 split are that a measurement and positioning plate 1 is overall.When needing, open buckle clasp 82, dismounting can be carried out to joint link slot 31 open.Certainly, described measurement plate temporary securing mechanism also comprises many forms, and its meaning is equal to the meaning that joint link slot 31 part is set to detachable structure, just can repeat assembling and use, repeat no more herein.
As shown in Figure 2: described angular measurement plate 4 is semi-circle shape, and arc surface edge arranges angle index line.The central part in the contiguous center of circle of plate angular measurement plate 4 of semi-circle shape is preferably vacant, avoids connecting projection 32 position because holding convex joint of exposing joint link slot 31 thus hindering the rotation of angle orientation rod 2.
The both ends of the semi-circular structure of described angular measurement plate 4 are arranged can fix projection 41 by angular measurement plate 4 angular measurement plate be movably connected on measurement and positioning plate 1.Correspondingly, as shown in Fig. 3, Fig. 4, Fig. 9, Figure 10 and Figure 11: as described in measurement and positioning plate 1 fix projection 41 correspondence position with angular measurement plate two angular measurement plate fixed grooves 14 be set.Described angular measurement plate fixed groove 14 is positioned in the plane of measurement and positioning plate 1 the same side with angle orientation rod 2, and two angular measurement plate fixed grooves 14 are symmetrical centered by movable joint 3.Described angular measurement plate is fixed projection 41 and can be set and to be spacingly arranged in the angular measurement plate fixed groove 14 of measurement and positioning plate 1 in correspondence, and making angular measurement plate 4 can fix projection 41 line along two angular measurement plates is axis rotation.Like this, the arbitrarily angled orientation of angle orientation rod 2 adjustment, rotation angle measurement plate 4 makes it rod 2 is parallel with angle orientation to be close to, and all can measure the angle of excellent 2 major axis of angle orientation and measurement and positioning plate 1 major axis angulation in angular measurement plate 4 plane.
The angular measurement plate that described angular measurement plate 4 is arranged fixes projection 41 preferably cylindrical structure, and correspondingly, the angular measurement plate fixed groove 14 that described measurement and positioning plate 1 is arranged is more than half cylinder groove.It is similar that described angular measurement plate fixed groove 14 profile and angular measurement plate fix projection 41 profile, and cylinder internal diameter is slightly large.Make described angular measurement plate fix projection 41 and can set spacing rotation in angular measurement plate fixed groove 14.
It also can be convex spherical structure that the angular measurement plate that described angular measurement plate 4 is arranged fixes projection 41.Correspondingly, the angular measurement plate fixed groove 14 that described measurement and positioning plate 1 is arranged is more than half spherical structure groove, and it is similar that its profile and angular measurement plate fix projection 41, and size is slightly large.Make described angular measurement plate fix projection 41 and can set spacing rotation in angular measurement plate fixed groove 14.
As shown in figure 13, for having located rear the present invention and vertebral body position relationship.Now, sliding bar 6 major axis, just to spinal column median line, meanwhile, is positioned at directly over vertebral body spinous process 91; Measurement and positioning plate 1 major axis just hits exactly horizontal plane to vertebral body 94; Angle orientation rod 2 orientation angle (i.e. positioning puncture needle puncture angle) is avoided vertebral foramen 93 via pedicle hole and is pointed to vertebral body 94.
Conveniently clinical practice of the present invention, all material is all preferably under x-ray can developing material, can read the position relationship of vertebral body structure and the present invention's each parts during use under x-ray development, conveniently adjusts each module position relation when locating
The present invention, is positioned operation vertebral body plane by measurement and positioning plate 1, uses the angle orientation rod 2 pairs of positioning puncture needles be connected with measurement and positioning plate 1 by movable joint 3 to position.By being arranged on sliding bar 6 on measurement and positioning plate 1 and angular measurement plate 4, positioning action blindness being declined, locates more accurate.After Needle localization has operated, by measuring plate temporary securing mechanism dismounting open joint link slot 31, and then dismantle the angle orientation rod 2 of multiple assembling parts, and then remove total of the present invention, only retain guiding puncture needle, avoid affecting subsequent procedures operation.It is convenient, easy to use that the present invention makes operation technique locate, and improves procedure efficiency, reduce operating difficulty, safe and reliable.
Claims (10)
1. a Minimally Invasive Surgery pedicle of vertebral arch guider, it is characterized in that: comprise the measurement and positioning plate (1) for measuring point of puncture and spinal column distance during vertebrae minimal invasive surgery and the angle orientation rod (2) for locating puncture direction, described measurement and positioning plate (1) and angle orientation rod (2) are flexibly connected by movable joint (3).
2. Minimally Invasive Surgery pedicle of vertebral arch guider according to claim 1, is characterized in that: described measurement and positioning plate (1) arranges the angular measurement plate (4) of be used for taking measurement of an angle locating bar (2) major axis and measurement and positioning plate (1) major axis angulation angle centered by movable joint (3).
3. Minimally Invasive Surgery pedicle of vertebral arch guider according to claim 1, is characterized in that: described measurement and positioning plate (1) arranges length scale line; Contiguous movable joint (3) one end of described measurement and positioning plate (1) is arranged can by the temporary fixed joint temporary securing mechanism (5) of measurement and positioning plate (1) and angle orientation rod (2) position;
Described joint temporary securing mechanism (5) comprises the joint positioning screw hole (51) being arranged on contiguous movable joint (3) end, one end of measurement and positioning plate (1) and the joint bolt (52) be embedded in joint positioning screw hole (51); Described joint positioning screw hole (51) is run through by the surface of measurement and positioning plate (1) end, one end and is communicated with movable joint (3); Also with joint positioning screw hole (51) is adaptive can advances or retreat in described joint bolt (52) in joint positioning screw hole (51).
4. Minimally Invasive Surgery pedicle of vertebral arch guider according to claim 1, it is characterized in that: described measurement and positioning plate (1) is arranged can along the level and smooth sliding bar (6) of measurement and positioning plate (1) major axis, and the major axis of described sliding bar (6) is connected with vertical angle with the major axis of measurement and positioning plate (1).
5. Minimally Invasive Surgery pedicle of vertebral arch guider according to claim 4, is characterized in that: described slide bar (6) is arranged the slide bar temporary securing mechanism (7) that sliding bar (6) can be temporarily fixed on measurement and positioning plate (1);
Described slide bar temporary securing mechanism (7) comprises the slide bar positioning screw hole (71) be arranged on sliding bar (6) and the slide bar bolt (72) be embedded in slide bar positioning screw hole (71); Described slide bar positioning screw hole (71) runs through side sliding bar (6) bar wall; Described slide bar bolt (72) also with bar wall slide bar positioning screw hole (71) is adaptive can be advanced or retreat in slide bar positioning screw hole (71).
6. the Minimally Invasive Surgery pedicle of vertebral arch guider according to claims 1, is characterized in that: described movable joint (3) comprise be arranged on measurement and positioning plate (1) one end can to angle locating bar (2) set spacing and be flexibly connected joint link slot (31) and be arranged on angle orientation rod (2) one end give prominence to bulge formation joint be connected projection (32); Described joint connects projection (32) and joint link slot (31) form fit, and joint connects projection (32) and set and spacingly also to rotate in joint link slot (31) joint link slot (31) in.
7. the Minimally Invasive Surgery pedicle of vertebral arch guider according to claims 1, is characterized in that: described angle orientation rod (2) is run through major axis and arranged hollow duct (21); Described angle orientation rod (2) connects hollow duct (21) end of the other end of projection (32) end at opposed articulation arranges horn mouth (22).
8. the Minimally Invasive Surgery pedicle of vertebral arch guider according to claims 1, it is characterized in that: described angle orientation rod (2) is set to detachable structure, separate the two or more angle orientation rod running through hollow duct (21) of rear formation and separate assembly, after assembly split separated by two or more angle orientation rod, form complete angle orientation rod (2) structure.
9. the Minimally Invasive Surgery pedicle of vertebral arch guider according to claims 6, it is characterized in that: joint link slot (31) part of described measurement and positioning plate (1) one end is detachable structure, separate rear formation arthrodesis portion measurement and positioning plate (11) and half groove measurement and positioning plate (12), after described arthrodesis portion measurement and positioning plate (11) is separated, the joint be embedded in joint link slot (31) connects projection (32) and can deviate from from the groove of half groove measurement and positioning plate (12); The detachable structure of described measurement and positioning plate (1) comprises the point-like being arranged on joint link slot (31) weak part and cuts off off-line (13).
10. Minimally Invasive Surgery pedicle of vertebral arch guider according to claim 2, it is characterized in that: described angular measurement plate (4) is semi-circle shape, edge, semi-circular arc face arranges angle index line, and semicircle both ends are arranged can fix projection (41) by the angular measurement plate be movably connected on measurement and positioning plate (1) by angular measurement plate (4); Described measurement and positioning plate (1) and angular measurement plate are fixed projection (41) correspondence position and are arranged and can fix projection (41) to angular measurement plate and set spacing angular measurement plate fixed groove (14), and angular measurement plate is fixed projection (41) and can be rotated in angular measurement plate fixed groove (14).
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| CN201410779076.9A CN104398300B (en) | 2014-12-15 | 2014-12-15 | Minimally Invasive Surgery pedicle of vertebral arch guider |
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| CN201410779076.9A CN104398300B (en) | 2014-12-15 | 2014-12-15 | Minimally Invasive Surgery pedicle of vertebral arch guider |
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| CN104398300B CN104398300B (en) | 2016-10-26 |
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|---|---|
| CN104398300B (en) | 2016-10-26 |
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Effective date of registration: 20180712 Address after: 226500 Fuxin Road 8, lower yuan town, Rugao City, Nantong, Jiangsu Patentee after: Nantong Angel medical supplies Co.,Ltd. Address before: 214023 Department of orthopedics, Wuxi people's Hospital, No. 299 Qingyang Road, Nanchang District, Wuxi, Jiangsu Co-patentee before: Gao Hong Patentee before: Zhao Jijun |
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Denomination of invention: Pedicle guide for minimally invasive surgery Effective date of registration: 20210827 Granted publication date: 20161026 Pledgee: Jiangsu Rugao Rural Commercial Bank Co.,Ltd. Xiayuan sub branch Pledgor: Nantong Angel medical supplies Co.,Ltd. Registration number: Y2021320010331 |
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