CN104490465B - Femoral neck guider - Google Patents
Femoral neck guider Download PDFInfo
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- CN104490465B CN104490465B CN201410773085.7A CN201410773085A CN104490465B CN 104490465 B CN104490465 B CN 104490465B CN 201410773085 A CN201410773085 A CN 201410773085A CN 104490465 B CN104490465 B CN 104490465B
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- gross bearings
- orientation
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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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- Life Sciences & Earth Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Surgery (AREA)
- Biomedical Technology (AREA)
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Heart & Thoracic Surgery (AREA)
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Abstract
The invention relates to a locating device for an orthopedic department, in particular to a femoral neck guider which belongs to the technical field of medical instruments. According to the technical scheme provided by the invention, the femoral neck guider comprises an orientation locating plate and an angle locating bar, wherein the angle locating bar is connected with the orientation locating plate through a movable joint, and an angle measuring plate and a temporary fixing mechanism are arranged on the movable joint which is used for connecting the angle locating bar and the orientation locating plate. The femoral neck guider disclosed by the invention is applied to femoral neck fracture minimally invasive surgery of the orthopedic department, the orientation locating plate and the angle locating plate are connected through the movable joint, the angle can be optionally regulated, a surgery doctor can be helped to quickly locate the femoral neck, the use is convenient, the locating accuracy rate is increased, and safety and reliability are realized.
Description
Technical field
The present invention relates to a kind of neck of femur guider, belongs to the technical field of medical apparatus and instruments.
Background technology
Three pieces of nail treatment bone bone fracture of cervical vertebras refer to that percutaneous screw in three pieces of external diameter 4mm into neck of femur by femoral neck bone broken line
Hollow thread steel nail, by rational deployment different stress are undertaken respectively, treat a kind of method of fracture of femoral neck.Three pieces of nail treatments
Bone bone fracture of cervical vertebra advantage is：Wound is little, and three pieces of thread steel nails are squeezed into into neck of femur correct position；Go out insufficiency of blood, otch is little, more
Close fast, it is safe, seldom there is severe complication；Curative effect affirms that postoperative a couple of days can discharge.This art formula is widely adopted,
Especially in gerontal patient.
Three pieces of nail treatment bone bone fracture of cervical vertebra operations are carried out under x-ray monitoring：The entry point one of the 1st piece of drive screw (distally nail)
As under greater trochanter summit 10cm, nail with the femoral shaft longitudinal axis be in 145 °～160 ° angles, be close to fractures inner side cortex reach femur
Head is at joint margins 0.5cm.The 2nd, 3 pieces of drive screws are pierced in succession every 1～1.5cm in the nearside of the nail, wherein one piece of deflection
The outer upside of neck of femur is so as to tensile stress, another piece intersects placement with preferably to anti-rotation.
Three pieces of nail treatment bone bone fracture of cervical vertebra surgical effect are closely related with three Mei Ding location layouts, and not straightforward manipulation, is X
Operate under radiography.Reusability C arm machine is needed to position in the preoperative art of surgical doctor, and the surgical experience by clinicist is adjusted repeatedly
Whole puncture needle tries positioning on.It is unavoidable to increase film making number of times, Yi Huansuo when not abundant enough the doctor of young or clinical experience operates
Raying amount increases, and increases puncture time, increases patient suffering.Even if the abundant doctor of clinical experience, also unavoidably in positioning
C arm machine film making positioning is used for multiple times and is repeatedly tried on using Kirschner wire.Clinic needs a kind of simple and practical neck of femur guider,
Reduce operating difficulty, improve procedure efficiency, increase operation safety.
The content of the invention
The purpose of the present invention is to overcome the deficiencies in the prior art, there is provided a kind of neck of femur guider, its structure letter
It is single compact, it is easy to use, can help clinicist that location efficiency and accurately is improved when three pieces of nail treatment bone bone fracture of cervical vertebras are performed the operation
Property, increase operation safety.
According to the technical scheme that the present invention is provided, the neck of femur guider, including for neck of femur plane and angle
The end of the fixing by gross bearings plate and angle locating bar of positioning, the fixing by gross bearings plate and angle locating bar one end passes through movable joint
Connection.Being rotated by movable joint can arbitrarily adjust the angle of fixing by gross bearings plate major axis and angle locating bar major axis.
The fixing by gross bearings plate arranges angular measurement plate centered on movable joint.Can the side of measure by angular measurement plate
The angle of the position location-plate and angle locating bar angulation in angular measurement plate plane.
The fixing by gross bearings plate is provided for the meta to orientation location-plate and angle locating bar adjacent to movable joint one end
Put interim fixed joint temporary securing mechanism.
The joint temporary securing mechanism includes being arranged on joint orientation spiral shell of the measurement and positioning plate adjacent to movable joint one end
Hole and the joint orientation bolt being embedded in joint orientation screw.The joint orientation screw is by measurement and positioning plate surface through company
Logical movable joint, the joint orientation bolt matches with joint orientation screw and can be in joint orientation screw by being rotationally advancing
Or retreat, the length of the joint orientation bolt is more than joint orientation screw.
Correspondence orientation location-plate 1 arranges arranging to side for angle locating bar 2 and positions substrate on the neck of femur guider,
The positioning substrate 6 arc shaped inside face arranges viscose glue positioning substrate and pastes face；The positioning substrate arc external side arranges distribution
The positioning substrate scale face 62 of vertical length graduation mark in length and breadth；Arranging between the positioning substrate and fixing by gross bearings plate can will position base
The temporarily fixed orientation plate temporary securing mechanism of plate and fixing by gross bearings Board position.
The orientation plate temporary securing mechanism, including：Positioning substrate is the magnetic that can be attracted each other with fixing by gross bearings plate
Material；Or positioning substrate and fixing by gross bearings plate one are magnetic material, one is the metal material that can be attracted by magnetic material.
The movable joint includes being arranged on the joint link slot of fixing by gross bearings plate one end and at angle locating bar one end end
Expand the joint connection projection of projection formation in portion；The joint connection projection and joint link slot form fit, joint connection is convex
Block can set and spacing can rotate in joint link slot and in joint link slot.
The joint connection projection for being arranged on angle locating bar one end is preferably convex spherical structure.It is now described to be arranged on
Fixing by gross bearings plate one end joint link slot is preferably more than half ball recess.Joint link slot spherical inner diameter connects projection compared with joint
Convex spherical inner diameter it is slightly larger, joint connection projection can be embedded in joint link slot and rotate.
The angle locating bar arranges hollow duct through major axis.The angle locating bar connects projection in opposed articulation
The hollow cell ends of the other end arrange horn mouth.
The angle locating bar is detachable structure, two or more angles through hollow duct is formed after separating and is positioned
Rod separates chunk, and two or more angle locating bars are separated and complete angle locating bar structure is formed after chunk split.
The joint link slot part of described fixing by gross bearings plate one end is detachable structure, and arthrodesis portion side is formed after separating
Position location-plate and half groove fixing by gross bearings plate, after the arthrodesis portion fixing by gross bearings plate is separated, are embedded in joint link slot and close
Section connection projection can be deviate from from the groove of half groove fixing by gross bearings plate end.The detachable structure of the orientation plate includes being arranged on pass
The point-like of section link slot weak part cuts off offline.
The arthrodesis portion fixing by gross bearings plate and half groove fixing by gross bearings plate split connecting portion arrange orientation plate temporary locking
Arthrodesis portion fixing by gross bearings plate and half groove fixing by gross bearings plate split can be formed one by mechanism, the orientation plate temporary locking mechanism
The structure and temporary locking of individual complete fixing by gross bearings plate.
The orientation plate temporary locking mechanism also includes buckle structure, according to this structure：In fixing by gross bearings plate one end
Joint link slot position be set to detachment structure, the fixing by gross bearings plate side wall of detachment line side arranges buckle, correspondence opposite side
Side wall arranges fixture block.After buckle buckles into fixture block, the arthrodesis portion fixing by gross bearings plate and half groove fixing by gross bearings plate split are locked
It is set to the hardened structure of complete fixing by gross bearings.Detachment line is preferably provided at joint link slot centrosymmetry line position.
The angular measurement plate is semi-circle shape, and semi-circular arc face edge arranges angular measurement plate graduation mark, semi-circle shape
Both ends arrange the angular measurement plate that can be movably connected in angular measurement plate on fixing by gross bearings plate and fix projection.Determine in the orientation
Projection correspondence position is fixed with angular measurement plate on the plate of position arranging can fix projection to angular measurement plate and set spacing and rotate
Angular measurement plate fixed groove.
The angular measurement plate arranged on the angular measurement plate fixes projection and is set to convex spherical structure.The now orientation
The angular measurement plate fixed groove arranged on location-plate is preferably more than half spherical structure groove, and its profile is consolidated with angular measurement plate
Determine projection similar, size is slightly larger.The angular measurement plate is fixed projection and can be set and spacing turns in angular measurement plate fixed groove
It is dynamic.
The angular measurement plate arranged on the angular measurement plate fixes projection and may be alternatively provided as cylindrical structure, now described
The angular measurement plate fixed groove arranged on fixing by gross bearings plate is more than half cylinder groove, and its profile is fixed with angular measurement plate
Projection is similar, and size is slightly larger.The angular measurement plate fixes projection and can set the spacing rotation in angular measurement plate fixed groove.
Advantages of the present invention：Surgical doctor can be assisted to be accurately positioned site of puncture, direction and angle, lower operation
Difficulty, its simple structure is easy to use, improves procedure efficiency, increases operation safety.
Description of the drawings
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 fixing by gross bearings plate top view of the present invention and implements shape and structure figure with joint orientation bolts assemblies relation.
Fig. 4 is fixing by gross bearings plate side view of the present invention and implements shape and structure figure with joint orientation bolts assemblies relation.
Fig. 5 is the enforcement shape and structure figure of present invention positioning substrate.
Fig. 6 is present invention positioning zig scale face expanded view.
Fig. 7 is that angle locating bar of the present invention implements shape and structure figure.
It is that shape and structure figure is implemented in two chunk splits that Fig. 8 is angle locating bar of the present invention.
Fig. 9 is that fixing by gross bearings plate of the present invention cuts off offline in joint link slot weak part setting point-like, and Jing point-like
Cut off the top view after offline detachment.
Figure 10 is side-looking of the fixing by gross bearings plate of the present invention after joint link slot weak part arranges buckle structure and separation
Figure.
Figure 11 is vertical view of the fixing by gross bearings plate of the present invention after joint link slot weak part arranges buckle structure and separation
Figure.
Figure 12 is the profile that the present invention is completed in handss Intraoperative position.
Description of reference numerals：1- fixing by gross bearings plates, 11- arthrodesises portion fixing by gross bearings plate, the groove fixing by gross bearings plates of 12- half,
13- point-like cut off offline, 14- angular measurement plate fixed grooves, 2- angle locating bars, the hollow ducts of 21-, 22- horn mouths, 3-
Movable joint, 31- joint link slots, 32- joints connection projection, 4- angular measurement plates, 41- angular measurement plates fix projection, 42-
Angular measurement plate graduation mark, 43- angular measurement plate hollow bulbs, 5- joints temporary securing mechanism, 51- joint orientation screws, 52- are closed
Section bolt, 6- positioning substrates, 61- positioning substrates paste face, 62- positioning substrate scales face, 71- buckle axle blocks, 72- buckles
Clasp, 73- buckle button blocks, 81- femorals head, 82- femoral neck bone broken lines, 83- necks of femur, 84- femoral shaft.
Specific embodiment
With reference to concrete drawings and Examples, the invention will be further described.
As shown in Figure 1：In order to be able to make surgical doctor be accurately positioned site of puncture, direction and angle, operation is improved
Efficiency, increases operation safety, and the present invention is by for the fixing by gross bearings plate 1 and angle positioning to neck of femur plane and angle positioning
Rod 2 constitutes main body, and the fixing by gross bearings plate 1 and one end end of angle locating bar 2 are connected by movable joint 3, can arbitrarily be adjusted
The major axis of fixing by gross bearings plate 1 and the major axis angulation angle of angle locating bar 2.
Specifically, fixing by gross bearings plate 1 is preferably strip slab structure.It is auxiliary in C arm machine with reference to preoperative image data when using
Help lower operation：First, by the major axis of fixing by gross bearings plate 1 and femoral shaft longer axis parallel, fixing by gross bearings plate 1 revolves around Ipsilateral thigh epidermis
Turn, make the major axis median line of fixing by gross bearings plate 1 with neck of femur major axis in one plane, and make fixing by gross bearings plate 1 be located at femoral shaft
The offside thigh epidermis of correspondence neck of femur；Then, fixing by gross bearings plate 1 and neck of femur aforementioned location relation are kept, is close to thigh table
Skin makes movable joint 3 be on neck of femur major axis extended line along the dynamic fixing by gross bearings plate 1 of femoral shaft major axis translation；Finally, by work
Movable joint 3 rotates the position of adjustment angle locating bar 2, makes the major axis of angle locating bar 2 overlap with neck of femur major axis and reaches operation
Angle.Now, positioning is completed, and along the major axis of angle locating bar 2 guided puncturing needle is squeezed into, and then is squeezed under ultrasonic puncture needle guide
Hollow screw group.Three pieces of drive screws are squeezed into and only need duplication similarity and operate.
Angular measurement plate 4 is set centered on movable joint 3 on the fixing by gross bearings plate 1, to measure fixing by gross bearings plate 1
The angle of major axis and the major axis of angle locating bar 2 angulation in the plane of angular measurement plate 4.
As shown in Figure 2：In the embodiment of the present invention, the angular measurement plate 4 is preferably semicircular structure, with semi-circle shape circle
The heart（That is the sphere midpoint of movable joint 3）Centered on, in arc edge labelling angular measurement plate graduation mark 42, to accurate measurement
Fixing by gross bearings plate 1 and angle locating bar 2 provide precise positioning in the angulation of angular measurement plate 4 for operation.
Near center of circle position, preferably vacant to be set to angular measurement plate hollow in the middle of the angular measurement plate 4 of the semi-circle shape
Portion 43, it is to avoid angular measurement plate 4 affects to measure angle because holding the external structure of movable joint 3, also avoids the shadow of angular measurement plate 4
Ring rotation of the angle locating bar 2 by movable joint 3.
The fixing by gross bearings plate 1 arranges joint temporary securing mechanism 5 adjacent to the one end of movable joint 3, can be to orientation location-plate 1
Fix temporarily or release with the position of angle locating bar 2.So, joint temporary securing mechanism 5, the side of making are locked after the completion of positioning
The position of position location-plate 1 and angle locating bar 2 is fixed temporarily, it is to avoid shift in position occurs in subsequent operation, reduces error and sends out
Life meeting.After the completion of puncture procedure, joint temporary securing mechanism 5 is released, to release the present invention is removed, carry out subsequent procedures
Operation.So, this device can be reused in the positioning action squeezed into before next piece of drive screws.
As described in Fig. 3 and Fig. 4：The joint temporary securing mechanism 5 includes being arranged on fixing by gross bearings plate 1 adjacent to movable joint
The joint orientation screw 51 of 3 one end and the joint orientation for being adapted to and being embedded in joint orientation screw 51 with joint orientation screw 51
Bolt 52.Joint orientation screw 51 is reached adjacent to one end circular pore space structure of movable joint 3 by fixing by gross bearings plate 1 through connection
To the surface of movable joint 3.Corresponding, joint orientation bolt 52 is the bolt arrangement matched with joint orientation screw 51, described
The length of joint orientation bolt 52 is more than joint orientation screw 51.Joint orientation bolt 52 is located at the outside of joint orientation screw 51 one
The end at end is expanded and is set to as joint temporary securing mechanism 5, and concrete structure may be configured as nut structure.Locking joint is needed to face
When fixed mechanism 5 when, make joint orientation bolt 52 advance to movable joint 3 in joint orientation screw 51, until joint orientation spiral shell
The top of bolt 52 is stuck in the end of angle locating bar 2 being arranged in movable joint 3, so that fixing by gross bearings plate 1 and angle locating bar 2
Position is fixed temporarily.Reverse operating when needing to loosen, here is omitted.
The inwall of joint orientation screw 51 arranges the screw thread for matching with the outer wall of joint orientation bolt 52, makes joint orientation spiral shell
The operation of vertical advance of the bolt 52 in joint orientation screw 51 is converted into and is rotationally advancing, and increases operational stability, while making pass
Section temporary securing mechanism 5 is more stable when temporarily fixed.
The nut structure surface of described one end of joint orientation bolt 52 can arrange lines, increase friction system during rotation process
Number, is easy to operation.The other end end of the correspondence of joint orientation bolt 52 nut structure arranges flexible glue pad, increases joint and faces
When fixed mechanism 5 interim fixed dynamics, while reducing the infringement to the inner structure of movable joint 3.
As shown in Figures 5 and 6：Correspondence orientation location-plate 1 arranges the offside of angle locating bar 2 on the neck of femur guider
Face arranges positioning substrate 6, and the positioning substrate 6 is the platy structure that cross section matches for arc with thigh outer shape.It is described
Setting viscose glue in positioning substrate 6 arc shaped inside face forms positioning substrate and pastes face 61, and positioning substrate 6 arc external side is arranged and divided
The positioning substrate scale face 62 of cloth vertical length graduation mark in length and breadth.Arranging between the positioning substrate 6 and fixing by gross bearings plate 1 can be fixed
The temporarily fixed orientation plate temporary securing mechanism in position substrate 6 and the position of fixing by gross bearings plate 1.
Face 61 is pasted after the completion of selecting using the positioning substrate of medial surface and can will position substrate in positioning substrate 6 position
6 are fixed on thigh epidermis, and the arc-shaped cross-section platy structure matched with thigh outer shape makes positioning substrate 6 be fixed on thigh table
Skin is more reliable and more stable.Positioning substrate 6 can it is easy it is safe be fixed on thigh epidermis, without the need for it is extra using adhesive plaster or other fix
Method.The concrete fixed position of positioning substrate 6 is：Positioning substrate pastes face 61 and is in thigh table of the neck of femur with respect to femoral shaft offside
Skin, and the positioning major axis of substrate 6, neck of femur major axis and femoral shaft major axis are in same plane.Neck of femur extended line and thigh table
The end of the one end of skin intersection point Distance positioning substrate 6 is 2cm-5cm.
The meaning that plate temporary securing mechanism in orientation is arranged is：Fixing by gross bearings plate 1 can temporarily be fixed by orientation plate
Mechanism is temporarily fixed on the positioning substrate scale face 62 of positioning substrate 6, is the position adjustment of follow-up fixing by gross bearings plate 1 and fixation etc.
Operation provides facility.
The positioning substrate scale face 62 arranges length scale line intersecting in length and breadth, and puts on length value.Make the side
When the movement adjustment of the surface of substrate 6 is positioned to femoral shaft and neck of femur positioning, this graduation apparatus rises and is accurately positioned work position location-plate 1
With.
The orientation plate temporary securing mechanism includes that positioning substrate 6 is the magnetic material for attracting each other with fixing by gross bearings plate 1
Material；Or positioning substrate 6 and fixing by gross bearings plate 1 one are magnetic material, one is the metal material that can be attracted by magnetic material.Profit
Fixing by gross bearings plate 1 in the follow-up positioning action of fixing by gross bearings plate 1 is made with the magnetic attraction between positioning substrate 6 and fixing by gross bearings plate 1
Can easily temporarily fix or shirk with positioning substrate 6, it is extremely easy to use.
As shown in Fig. 1, Fig. 3, Fig. 4 and Fig. 7：The movable joint 3 includes that the joint for being arranged on the one end of fixing by gross bearings plate 1 connects
The joint connection projection 32 of projection formation is expanded in access slot 31 and the one end of angle locating bar 2.The joint connection projection 32 and pass
The section form fit of link slot 31, joint connection projection 32 can set spacing in the joint link slot 31 and can be in joint link slot 31
Interior rotation.In specific embodiment, the minimum angles that the major axis of angle locating bar 2 is formed with the plane all directions of fixing by gross bearings plate 1
It is preferred that 30 degree.
The joint connection projection 32 for being arranged on the one end of angle locating bar 2 is preferably convex spherical structure, correspondingly, institute
State the groove for being arranged on one end joint link slot 31 of fixing by gross bearings plate 1 for more than half spherical structure.Joint connects projection 32 and closes
Section the profile of link slot 31 and size match, and the spherical inner diameter of joint link slot 31 compared with joint connect projection 32 spherical inner diameter slightly
Greatly, joint connection projection 32 is enable to be embedded in joint link slot large rotation angle and be difficult abjection.
As shown in Figure 7：The angle locating bar 2 arranges hollow duct 21 through major axis, and its effect is：When the present invention is to wearing
After the completion of the positioning of thorn direction, guided puncturing needle carries out localised puncture via the hollow duct 21.The internal diameter of hollow duct 21
It is slightly larger compared with positioning puncture needle external diameter and match, make positioning puncture needle puncture error caused by the bias internal of hollow duct 21 less,
Simultaneously frictional resistance is less, localised puncture relative ease.
The hollow duct 21 arranged on the angle locating bar 2 is arranged in the other end end that opposed articulation connects projection 32
For horn mouth 22, more hold when localised puncture needle end inserts hollow duct 21 when making positioning puncture needle import hollow duct 21
Easily, it is to avoid strict alignment operation.
As shown in Figure 8：The angle locating bar 2 is set to detachable structure, is formed after separating in two or more running through
The angle locating bar in emptying aperture road 21 separates chunk, and two or more angle locating bars are separated and complete angle is formed after chunk split
The structure of locating bar 2.In specific embodiments of the present invention, the angle locating bar 2 separates line preferably along the center axis of symmetry, makes angle
Degree locating bar 2 forms one and cuts open as 2 two symmetrical angle locating bar chunks after separating.It is of course also possible to be eccentric cutting, and
Cutting plane differs and is set to an even surface, but cutting plane must be longitudinally through hollow duct 21.Its actual clinical meaning is：When wearing
Pricker carries out localised puncture and completes and open after joint link slot 31 via hollow duct 21, and angle locating bar 2 can Jing easily
Cutting plane is divided into two, and each component of angle locating bar 2 is removed in light Jing both sides dismounting, be can guarantee that when angle locating bar 2 is dismantled
The stability of positioning puncture needle.Certainly, angle locating bar 2 is separated and separates chunk for multiple angle locating bars, and to reach knot is separated
The purpose of structure, the hollow duct 21 that any part cross section of any one the angle locating bar chunk formed after separating is formed is residual
Portion duct should be less than half hollow duct 21, enable puncture needle residual from the hollow duct 21 of any one angle locating bar chunk
Portion duct is easily removed.
As shown in Fig. 9, Figure 10 and Figure 11：The position of joint link slot 31 of described one end of fixing by gross bearings plate 1 is set to removable
From structure, arthrodesis portion's fixing by gross bearings plate 11 and half groove fixing by gross bearings plate 12 are formed after separating.Arthrodesis portion orientation
After the groove fixing by gross bearings plate 12 of location-plate 11 and half is separated, be embedded in joint link slot 31 joint connection projection 32 can easily from
Deviate from the groove of the end of half groove fixing by gross bearings plate 12.It is described to separate mating surface preferably along the cross-section joint link slot 31 of median line,
Meaning is：After positioning puncture needle completes localised puncture, the dialysis of joint link slot 31 can be made by this detaching structure, so as to tear open
Unload fixing by gross bearings plate 1；And carry out the disassembling section of next step angle locating bar 2.
As shown in Figures 10 and 11：The arthrodesis portion fixing by gross bearings plate 11 is connected with the split of half groove fixing by gross bearings plate 12
Portion arranges orientation plate temporary locking mechanism.The orientation plate temporary locking mechanism can be by arthrodesis portion fixing by gross bearings plate 11 and half
Simultaneously temporary locking becomes the whole structure of fixing by gross bearings plate 1 to the split of groove fixing by gross bearings plate 12, and classical prescription position plate faces after the completion of localised puncture
When locking mechanism orientation location-plate 1 is dismantled.Its meaning is equal to the part of joint link slot 31 and is set to detachable structure
Meaning, here is omitted.
As shown in Figure 9：The orientation plate temporary locking mechanism includes being arranged on the point-like of the weak part of joint link slot 31
Cut off offline 13.Before puncture needle localised puncture is completed, fixing by gross bearings plate 1 via point-like cut off offline 13 be connected to become it is whole
Body, undertakes complete function.After the completion of puncture needle localised puncture, firmly tear the point-like of fixing by gross bearings plate 1 and cut off offline 13
Two ends, make fixing by gross bearings plate 1 cut off offline 13 via point-like and are fractured into arthrodesis portion fixing by gross bearings plate 11 and half groove orientation
Location-plate 12.Point-like cuts off offline 13 one kind for being the detachable structure of above-mentioned joint link slot 31, and function and meaning are no longer gone to live in the household of one's in-laws on getting married
State.
As shown in Figure 10, Figure 11：The orientation plate temporary locking mechanism also includes buckle structure, according to this structure：
The fixing by gross bearings plate 1 is set to detachment structure at the position of joint link slot 31, and the Jing detachment lines of the fixing by gross bearings plate 1 are split
For arthrodesis portion fixing by gross bearings plate 11 and half groove fixing by gross bearings plate 12.Arthrodesis portion fixing by gross bearings plate 11 adjacent to split from
The both sides side of one end of broken string is respectively provided with two buckle axle blocks 71, and two buckle axle blocks 71 of Jing are respectively provided with buckle clasp
72.Correspondingly, half groove fixing by gross bearings plate 12 is respectively provided with buckle adjacent to one end both sides side corresponding position of split detachment line
Button block 73.Arthrodesis portion fixing by gross bearings plate 11 and half groove fixing by gross bearings plate 12 after split detachment line split, the both sides
Buckle clasp 72 is respectively clamped into corresponding buckle button block 73.Now, arthrodesis portion fixing by gross bearings plate 11 and half groove fixing by gross bearings
The split of plate 12 is that a fixing by gross bearings plate 1 is overall.When needing, both sides buckles clasp 72 is opened, you can joint link slot 31 is entered
Row dismounting is opened.Certainly, the orientation plate consolidates locking mechanism temporarily also includes many forms, and functional meaning is equal to joint connection
The part of groove 31 is set to the meaning of detachable structure, can be only that repeating groups dress is used, and here is omitted.
As shown in Figure 2：The two ends of the semicircular structure of the angular measurement plate 4 are respectively provided with angular measurement plate and fix projection
41.Correspondingly, as shown in Fig. 3, Fig. 4, Fig. 9, Figure 10 and Figure 11：The fixing by gross bearings plate 1 fixes projection with angular measurement plate
41 corresponding positions are respectively provided with angular measurement plate fixed groove 14.The angular measurement plate fixed groove 14 and angle locating bar
2 are located on the same side plane of fixing by gross bearings plate 1, and two angular measurement plate fixed grooves 14 are symmetrically divided with the median line of movable joint 3
Cloth.The angular measurement plate fixes projection 41 can set spacing in angular measurement plate fixed groove 14, enable angular measurement plate 4
The line of projection 41 is fixed along two angular measurement plates to be axis rotation and be difficult abjection.So, angle locating bar 2 adjusts arbitrarily angled
During orientation, rotation angle measurement plate 4 make its it is parallel with angle locating bar 2 be close to, can measure angle locating bar 2 and fixing by gross bearings
The major axis of plate 1 angulation angle in the plane of angular measurement plate 4.
Specifically, the angular measurement plate for arranging on the angular measurement plate 4 fixes projection 41 and is set to cylindrical structure, with
This correspondence, the angular measurement plate fixed groove 14 arranged on the fixing by gross bearings plate 1 is more than half cylinder groove.The angle
The profile of measurement plate fixed groove 14 fixes the form fit of projection 41 with angular measurement plate, and internal diameter is slightly larger.Make the angular measurement plate
Fixed projection 41 can set the spacing rotation in angular measurement plate fixed groove 14, and difficult for drop-off.
The angular measurement plate arranged on the angular measurement plate 4 is fixed projection 41 and be may be alternatively provided as convex spherical structure.With
This correspondence, on the fixing by gross bearings plate 1 arrange angular measurement plate fixed groove 14 be more than half spherical structure groove, its profile
Similar to angular measurement plate fixation projection 41, size is slightly larger.The angular measurement plate fixation projection 41 is set to set spacing at angle
Rotate in degree measurement plate fixed groove 14, and it is difficult for drop-off.
As shown in figure 12, it is the present invention and femur locations relation after the completion of positioning.Now, position substrate 6 to paste positioned at stock
Thigh epidermis of the bone neck 83 in the offside of femoral shaft 84；Positioning substrate 6 is with the longer axis parallel of fixing by gross bearings plate 1 and same with femoral shaft 84
To；Meanwhile, movable joint 3 is on the extended line of neck of femur 83；The long axis direction of angle locating bar 2 and the extended line weight of neck of femur 83
It is folded；The major axis extended line of angle locating bar 2 points to femoral head 81 by the fracture line 82 on neck of femur 83.
Clinical practice of the invention for convenience, all material be both preferably under x-ray can developing material, can be in X when using
The lower position relationship for reading femur and each part of the invention of line development, adjusts during convenient positioning to each module position relation
It is whole.
The present invention, carries out coarse localization, by fixing by gross bearings plate 1 in positioning substrate 6 by positioning 6 pairs of puncture directions of substrate
Surface movement is positioned to point of puncture, and wearing last angle orientation by 3 adjustment angle locating bar of movable joint, 2 pairs of positioning is carried out
Positioning.By the angular measurement plate 4 being arranged on fixing by gross bearings plate 1, decline positioning action blindness, position more efficient.
After the completion of Needle localization operation, by the open joint link slot 31 of orientation plate temporary locking mechanism dismounting, and then it is more to dismantle opening
The angle locating bar 2 that individual part assembles, so as to dismantle total of the present invention is removed, and only retains guiding puncture needle, it is to avoid
Affect subsequent procedures operation.The present invention makes operation technique positioning convenient, easy to use, improves procedure efficiency, reduces operation difficult
Degree, it is safe and reliable.
Claims (3)
1. a kind of neck of femur guider, is characterized in that：Including for the fixing by gross bearings plate to neck of femur plane and angle positioning（1）
With angle locating bar（2）, the fixing by gross bearings plate（1）With angle locating bar（2）One end end pass through movable joint（3）Even
Connect；
The fixing by gross bearings plate（1）With movable joint（3）Centered on be provided for measure angle locating bar（2）With fixing by gross bearings plate
（1）The angular measurement plate of angulation angle（4）；
The fixing by gross bearings plate（1）Neighbouring movable joint（3）One end is provided for fixing by gross bearings plate（1）With angle locating bar
（2）The temporarily fixed joint temporary securing mechanism in position（5）；The joint temporary securing mechanism（5）Including being arranged on measurement
Location-plate（1）Neighbouring movable joint（3）The joint orientation screw of one end（51）Be embedded at joint orientation screw（51）Interior pass
Section bolt（52）；The joint orientation screw（51）By measurement and positioning plate（1）Surface is through connection movable joint（3）；Institute
State joint orientation bolt（52）With joint orientation screw（51）Adaptation simultaneously can be in joint orientation screw（51）It is interior along joint orientation spiral shell
Hole（51）Major axis advances or retreats；
Correspondence orientation location-plate on the neck of femur guider（1）Angle locating bar is set（2）To side arrange positioning substrate
（6）, the positioning substrate（6）It is the platy structure that arc is matched with thigh outer shape for cross section；The positioning substrate（6）
Arc shaped inside face arranges viscose glue positioning substrate and pastes face（61）；The positioning substrate（6）Arc external side arranges distribution and hangs down in length and breadth
The positioning substrate scale face of straight length scale line（62）；The positioning substrate（6）With fixing by gross bearings plate（1）Between arrange and will can position
Substrate（6）With fixing by gross bearings plate（1）The temporarily fixed orientation plate temporary securing mechanism in position；
The orientation plate temporary securing mechanism includes：The positioning substrate（6）With fixing by gross bearings plate（1）For the magnetic for attracting each other
Material；Or positioning substrate（6）With fixing by gross bearings plate（1）One is magnetic material, and one is the metal that can be attracted by magnetic material
Material；
The orientation plate temporary locking mechanism also includes buckle structure, the fixing by gross bearings plate（1）In joint link slot（31）Portion
Position is set to detachment structure, the fixing by gross bearings plate（1）Jing detachment lines are split as arthrodesis portion fixing by gross bearings plate（11）With
Half groove fixing by gross bearings plate（12）, in arthrodesis portion fixing by gross bearings plate（11）The both sides side point of one end of neighbouring split detachment line
She Zhi not two buckle axle blocks（71）, two buckle axle blocks of Jing（71）It is respectively provided with buckle clasp（72）, correspondingly, half groove side
Position location-plate（12）One end both sides side corresponding position of neighbouring split detachment line is respectively provided with buckle button block（73）；
The movable joint（3）Including being arranged on fixing by gross bearings plate（1）The joint link slot of one end（31）With angle locating bar（2）
Expand the joint connection projection of projection formation in one end（32）；The joint connects projection（32）With joint link slot（31）Profile
Matching, joint connection projection（32）Can set spacing in joint link slot（31）It is interior and can be in joint link slot（31）Interior rotation；
The angle locating bar（2）Through major axis, hollow duct is set（21）；The angle locating bar（2）In opposed articulation connection
Projection（32）The hollow duct of the other end（21）End arrange horn mouth（22）；
The angle locating bar（2）For detachable structure, form two or more through hollow duct after separating（21）Angle
Locating bar separates chunk, and two or more angle locating bars are separated and complete angle locating bar is formed after chunk split（2）Structure.
2. neck of femur guider according to claim 1, is characterized in that：The fixing by gross bearings plate（1）The joint of one end connects
Access slot（31）Part is set to detachable structure, and arthrodesis portion fixing by gross bearings plate is formed after separating（11）With half groove fixing by gross bearings
Plate（12）；The arthrodesis portion fixing by gross bearings plate（11）After separating, joint link slot is embedded in（31）Intrinsic articulation connects projection
（32）Can be from half groove fixing by gross bearings plate（12）Deviate from the groove of end；The orientation plate temporary locking mechanism includes being arranged on pass
Section link slot（31）The point-like of weak part cuts off offline（13）；
The arthrodesis portion fixing by gross bearings plate（11）With half groove fixing by gross bearings plate（12）It is interim that split connecting portion arranges orientation plate
Locking mechanism, the orientation plate temporary locking mechanism can be by arthrodesis portion fixing by gross bearings plate（11）With half groove fixing by gross bearings plate
（12）Split forms a complete fixing by gross bearings plate（1）Structure and temporary locking.
3. neck of femur guider according to claim 1, is characterized in that：The angular measurement plate（4）For semi-circle shape, half
Round cambered surface edge arranges angular measurement plate graduation mark（42）, the both ends of semi-circle shape are arranged can be by angular measurement plate（4）It is living
It is dynamic to be connected to fixing by gross bearings plate（1）On angular measurement plate fix projection（41）；The fixing by gross bearings plate（1）With angular measurement plate
Fixed projection（41）The position of correspondence connection is arranged can fix projection to angular measurement plate（41）Set angle that is spacing and rotating
Measurement plate fixed groove（14）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410773085.7A CN104490465B (en) | 2014-12-15 | 2014-12-15 | Femoral neck guider |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410773085.7A CN104490465B (en) | 2014-12-15 | 2014-12-15 | Femoral neck guider |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104490465A CN104490465A (en) | 2015-04-08 |
| CN104490465B true CN104490465B (en) | 2017-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410773085.7A Expired - Fee Related CN104490465B (en) | 2014-12-15 | 2014-12-15 | Femoral neck guider |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104490465B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104758040A (en) * | 2015-04-30 | 2015-07-08 | 山东威高骨科材料股份有限公司 | Steel plate for anterior cervial internal fixation and guiding device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19726141A1 (en) * | 1997-06-19 | 1999-01-28 | Daum Gmbh | Device for inserting medical instrument into neuronal part of head |
| US20030055436A1 (en) * | 2001-09-14 | 2003-03-20 | Wolfgang Daum | Navigation of a medical instrument |
| US7824417B2 (en) * | 2002-09-05 | 2010-11-02 | Aprio Medical Ab | Guide for a medical device |
| US20040243146A1 (en) * | 2002-11-18 | 2004-12-02 | Chesbrough Richard M | Method and apparatus for supporting a medical device |
| CN2857864Y (en) * | 2005-12-19 | 2007-01-17 | 戴维享 | Dynamic coax/condylus three-dimensional angle guide |
| CN201847779U (en) * | 2010-11-08 | 2011-06-01 | 上海市第一人民医院分院 | Accurate positioning handling frame used for percutaneous nephroscope set |
| CN204318893U (en) * | 2014-12-15 | 2015-05-13 | 高宏 | Neck of femur guider |
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| CN104490465A (en) | 2015-04-08 |
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Inventor after: Tian Yong Inventor after: Li Xuehai Inventor after: Sun Shaoyong Inventor before: Gao Hong Inventor before: Zhao Jijun |
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Effective date of registration: 20170220 Address after: Ping Zhen middle street surgery, Second People's Hospital of Chiping County 252111 Shandong city of Liaocheng province Chiping County Bo Applicant after: Tian Yong Applicant after: Li Xuehai Applicant after: Sun Shaoyong Address before: Nanchang District 214023 in Jiangsu province Wuxi City Qingyang Road No. 299, Wuxi City People's Hospital Applicant before: Gao Hong Applicant before: Zhao Jijun |
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