CN106923895A - Hip stretch device - Google Patents
Hip stretch device Download PDFInfo
- Publication number
- CN106923895A CN106923895A CN201511016471.2A CN201511016471A CN106923895A CN 106923895 A CN106923895 A CN 106923895A CN 201511016471 A CN201511016471 A CN 201511016471A CN 106923895 A CN106923895 A CN 106923895A
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- China
- Prior art keywords
- fixed cell
- guide rail
- spherojoint
- outside
- hip
- Prior art date
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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
- A61B17/60—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 for external osteosynthesis, e.g. distractors, contractors
- A61B17/64—Devices extending alongside the bones to be positioned
- A61B17/6425—Devices extending alongside the bones to be positioned specially adapted to be fitted across a bone joint
-
- 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
- A61B17/60—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 for external osteosynthesis, e.g. distractors, contractors
- A61B17/64—Devices extending alongside the bones to be positioned
- A61B17/6416—Devices extending alongside the bones to be positioned with non-continuous, e.g. hinged, pin-clamp connecting element
-
- 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
- A61B17/60—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 for external osteosynthesis, e.g. distractors, contractors
- A61B17/64—Devices extending alongside the bones to be positioned
- A61B17/645—Devices extending alongside the bones to be positioned comprising a framework
-
- 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
- A61B17/60—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 for external osteosynthesis, e.g. distractors, contractors
- A61B17/66—Alignment, compression or distraction mechanisms
-
- 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
- A61B2017/564—Methods for bone or joint treatment
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
Abstract
The invention discloses a kind of hip stretch device, it includes outside spherojoint, is pivotally coupled to outside spherojoint front side and can be fixed to the top fixed cell of hipbone and be attached to outside spherojoint bottom and can be fixed to the bottom fixed cell of femur.Outside spherojoint includes limiting the slider housing of guide rail, and guide rail is configured to shaped form passage, and guide rail can move up and down in slider housing along the curvature of the shaped form passage relative to top fixed cell so that femur is relative to hipbone abduction or interior receipts.
Description
Technical field
This disclosure relates to orthopedic hip stretch device.Specifically, this disclosure relates to allow many planes
The orthopedic hip stretch device of motion.The disclosure further relates to enable other orthopedic fixator/devices
The orthopedic hip stretch device of improved many plane motions and guided-moving is provided.
Background technology
Ischemic necrosis of fermoral head is a kind of not normal form of hip joint, in this case,
Ischemic necrosis can cause osteomalacia and fragmentation.This causes femoral head to distort and its cup-and-ball joint
Function is lost.Patient is possible to that body weight, walking cannot be born and stands.Hip joint is by subluxation
And become incompatible, so as to by LOM.If such case cannot be controlled effectively
Treat, then lasting subluxation will cause permanent sex distortion.Hip stretch device is used for stretching hip joint
Normal bone is repaired with the subluxation of the hip by reducing bone prematurity patient and constraint, from
And some loads on hip joint are removed, this will improve synovia circulation for preferably recovery.
But, the existing device for hip stretching only allows hip in a plane curvature movement
And can not be as the ball-and-socket type hip joint of health is allowed generally in other plane motions.This limit
System greatly weakens the activity of patient.
The content of the invention
At least one of disclosed embodiment allows two fortune of plane of hip stretch device
Dynamic, therefore this allow, and patient carries out hip flexing/stretching, extension and abduction/adduction is acted without taking off bone
Position, while hip Distraction Apparatus are remained secured on the hip joint of patient during restoring.Additionally, should
Device is also connected to other orthopedy external fixators or device and allows many of hip stretch device
Plane motion.
A kind of hip stretch device may include that external ball connects according to disclosed in presently filed embodiment
Head, be pivotally coupled at the lower rear side of top fixed cell outside spherojoint front side top
Fixed cell and be attached to outside spherojoint bottom bottom fixed cell.Top fixed cell
Hipbone can be fixed to and bottom fixed cell can be fixed to femur.Outside spherojoint may include to limit tool
There is the slider housing of the guide rail of passage.It is that, with curvature, outside spherojoint can edge that guide rail is formable
The curvature to be moved up and down relative to top fixed cell in slider housing so that femur is relative
In hipbone abduction or interior receipts.
According to present aspects, passage be formed in guide rail for the multiple through the passage
Clutch shaft bearing component limits the path of guide rail together.Clutch shaft bearing component is arranged to be fixed on guide rail
In slider housing.When guide rail and bottom fixed cell along its passage curvature together with clockwise
When direction is moved, hip stretch device can carry out interior receipts and move.If however, guide rail is consolidated with bottom
Order unit moves in a counterclockwise direction along the curvature of its passage together, then hip stretch device will enter
Row abduction exercise.When top fixed cell and outside spherojoint pivotably movable with respect each other, hip leads
Opening device will be stretched or curvature movement.
According to the another aspect of the application, outside spherojoint may also include slider housing, slider
Housing adds the right shell being combined with left shell including left shell.Guide rail could be sandwiched in left side shell
Between body and right shell with avoid in slider housing incline.Guide rail for example can be by multiple the
Two bearing assemblies are locked in slider housing.
According to present aspects, guide rail can be configured to passage, and passage is used for logical with through this
Multiple clutch shaft bearing components in road limit the motion path of guide rail together.For by guide rail clip in left side
Interval between housing and right shell can be adjusted by multiple second bearing components.Left shell and
Each in right shell includes that multiple first is fixedly installed, and is adjusted with being pressed on second bearing component
Section second bearing component so as to guide rail contact thus can be used for adjust guide rail in slider housing
Position.
According to present aspects, outside spherojoint can be configured to has preceding hole in slider housing,
And top fixed cell passes through the 3rd bearing component be embedded in/being arranged in the preceding hole of slider housing
It is attached to outside spherojoint.
According to the another aspect of the application, top fixed cell may include pin platform, and the 3rd axle
Bearing assembly may include the axle for being arranged to string together on pin platform.Axle and pin platform are rotatably secured at
Together so that pin platform, guide rail and slider housing can be freely rotatable along the axis of axle.Top
Fixed cell can be fixed to hipbone by coupling assembly, and coupling assembly may include to be placed on pin platform
Cube, insert cubical sleeve and the pin kept by cube.
According to present aspects, bottom fixed cell may include extensible stretching unit with along
Femur adjusts the length of bottom fixed cell.After stretching unit is extended, hip stretch device can
Realize the stretching for adapting to different patients.
According to the another aspect of the application, bottom fixed cell may include by the second positioning bearing group
The ball that part is combined with guide rail, wherein second positioning bearing assembly one end can be screwed into guide rail and
Its other end can be screwed into ball.
According to the another aspect of the application, bottom fixed cell may also include the first cylinder, be inserted into
Insertion body in first cylinder, cover and be placed on insertion body upper end and with cap-shaped into space to receive
The socket of ball.
According to the another further aspect of the application, bottom fixed cell may also include insertion the insertion body in
Eccentric bolt.Outside spherojoint is fixed together with bottom fixed cell after eccentric bolt is rotated.
A kind of outside spherojoint is disclosed according to another embodiment herein.Outside spherojoint can
Including slider housing, slider housing includes left shell and the right side being combined with left shell
Side body.Guide rail could be sandwiched between left shell and right shell to avoid inclining in slider housing
Tiltedly.Guide rail can be configured to passage, for the multiple clutch shaft bearing components through the passage
The motion path of guide rail is limited together.For by guide rail clip between left shell and right shell
Interval can be adjusted by multiple second bearing components.Each in left shell and right shell can be wrapped
Multiple first are included to be fixedly installed, adjusted with being pressed on second bearing component clutch shaft bearing component so as to
With guide rail contact.By setting outside spherojoint as described above in hip Distraction Apparatus, hip leads
Prop can aid in user to carry out abduction/adduction along the curvature of passage moving.
According to present aspects, outside spherojoint can be configured to has preceding hole in slider housing
To keep 3rd bearing component.3rd bearing component can be used to couple top fixed cell with by outside
Spherojoint is fixed to hipbone.
Another implementation method according to the application discloses the method for assembling hip stretch device.
Hip stretch device may include top fixed cell, outside spherojoint and bottom fixed cell.On
Portion's fixed cell can be fixed to hipbone, and bottom fixed cell can be fixed to femur.The method can be wrapped
Include：Top fixed cell is pivotally coupled to the front side of outside spherojoint；By bottom fixed cell
It is attached to the bottom of outside spherojoint；Outside spherojoint may include to limit the cunning of the guide rail with passage
Dynamic device housing.It is that, with curvature, outside spherojoint can be along the curvature in slider that guide rail is formable
Moved up and down relative to top fixed cell in housing so that femur is relative to hipbone abduction or interior receipts.
As structures and methods disclosed herein allow flexion/extension motion to add in a way
Hip abduction or interior receipts are moved.The limbs fixed with hip Distraction Apparatus are during hip abduction or interior receipts
Will not dislocate.
Additionally, disclosed device may be connected to other orthopaedic external fixators or device to treat difference
Disease (such as ischemic necrosis and fracture) and allow many plane motions.
Brief description of the drawings
Exemplary non-limiting embodiments of the invention are hereinafter described with reference to the accompanying drawings.Accompanying drawing is
It is illustrative and generally and not according to there is shown with element precise proportions drafting.Different accompanying drawings
On same or analogous element make to be given the same reference numerals.
Fig. 1 show according to the application it is an implementation method, by outside spherojoint and fixation
The brief figure of the hip Distraction Apparatus of unit composition.
Fig. 2 shows the exemplary construction of the hip Distraction Apparatus of an implementation method according to the application
Synoptic diagram.
Fig. 3 is the isometric exploded view of the outside spherojoint of an implementation method according to the application.
Fig. 4 is the viewgraph of cross-section of the outside spherojoint of an implementation method according to the application.
Fig. 5 is one group of axle that slider inside configuration is placed on according to an implementation method of the application
Bearing assembly.
Fig. 6 is the one group of bearing assembly rolled in guide rail according to an implementation method of the application.
Fig. 7 is rotated in outside spherojoint according to an implementation method, the permission of the application
The decomposition side view of bearing assembly.
Fig. 8 is the viewgraph of cross-section of the upper pin fixed structure of an implementation method according to the application.
Fig. 9 is between the position upper rall and bottom spherojoint of an implementation method according to the application
Connecting portion transparent view.
Figure 10 is the summary of the substructure of the hip Distraction Apparatus of an implementation method according to the application
Figure.
Figure 11 is the decomposition of the stretching unit of the hip Distraction Apparatus of an implementation method according to the application
Figure.
Figure 12 is the spherojoint of the quick releasable clamping unit of an implementation method according to the application
Viewgraph of cross-section.
Figure 13 shows the hip fixed with the hip Distraction Apparatus of an implementation method according to the application
The figure in joint.
Specific embodiment
Illustrative embodiments according to the application are described below with reference to accompanying drawings.If appropriate, will
The same or analogous part of identical reference numbers is used in all of the figs.
Fig. 1 shows the hip Distraction Apparatus 1000 of an implementation method according to the application.Hip leads
Prop 1000 may include outside spherojoint 100, top fixed cell 200 and bottom fixed cell 300.
Top fixed cell 200 can be pivotally coupled to the front side of outside spherojoint 100 simultaneously at its one end
And hipbone can be fixed at its other end.Bottom fixed cell 300 can be attached at its one end
The bottom of outside spherojoint and femur can be fixed at its other end.
Fig. 2 shows the exemplary construction of the hip Distraction Apparatus of an implementation method according to the application
Synoptic diagram.As shown in Figures 1 and 2, because outside spherojoint 100 can allow for two planes
On motion, therefore it constitutes the main structure of hip Distraction Apparatus 1000.Reference picture 2, external ball connects
First 100 and top fixed cell 200 may make up the top half of hip Distraction Apparatus 1000, and under
Portion's fixed cell 300 may make up the latter half of hip Distraction Apparatus 1000, and wherein top half is helped
In the motion on two planar of hip Distraction Apparatus 1000, and the latter half can provide stretching.Can
It is provided with the multiple bearing assemblies that can be used for not same-action.For example, can be set three groups of bearing assemblies with
Different effects are provided, this will be discussed in detail below.
Fig. 3 shows equidistant point of the outside spherojoint 100 of an implementation method according to the application
Xie Tu.In this embodiment, top fixed cell 200 can be pivotally coupled by connection member
To outside spherojoint 100, for example, connection member can be bearing assembly.Bearing assembly can be wrapped for example
Include axle and screw.So as to top fixed cell 200 and outside spherojoint 100 can be relative to each other
Rotate.As shown in Figure 3, outside spherojoint 100 may include to limit the slider housing of guide rail 1
50.The shape of guide rail may be designed as with curvature, outside spherojoint can in slider housing 50 edge
The curvature for guide rail is moved up and down relative to top fixed cell.Guide rail may be configured with passage, passage
There can be the shape of such as ditch or groove, be limited with together with the multiple clutch shaft bearing components through passage
The motion path of guide rail.Outside spherojoint 100 may also include and be configured to pass through passage with support rails
And limit multiple clutch shaft bearing components 70 of position of the guide rail relative to slider housing 50.Hole is (not
Show) can design in the front side of slider housing 50 to receive connection member.Top fixed cell 200
Can be used to for hip Distraction Apparatus 1000 to be anchored to hipbone.Outside spherojoint 100 can be in slider housing
Moved up and down relative to top fixed cell 200 in 50, so that femur is relative to hipbone abduction or interior
Receive.When user intend to carry out it is interior receive motion when, guide rail 1 can be configured to and be moved downward relative to hipbone.
Correspondingly, when user intends to carry out abduction exercise, guide rail 1 can be configured to upward relative to hipbone
Motion.As shown in Figure 3, it means that when guide rail 1 together with bottom fixed cell 300 along it
When the curvature of passage is moved in a clockwise direction, hip stretch device 1000 can carry out interior receipts and move.
If however, guide rail 1 together with bottom fixed cell 300 along the curvature of its passage with counterclockwise side
To motion, then hip stretch device 1000 will carry out abduction exercise.Additionally, working as top fixed cell
200 and during outside spherojoint 100 pivotably movable with respect each other, outside spherojoint 100 will relative to it is upper
The hipbone of the connection of portion's fixed cell 200 is rotated, so that hip stretch device 1000 can be stretched
Exhibition or curvature movement.
As shown in Figure 3, slider housing 50 may include to be arranged with by guide rail 1 for forming space
Left shell 3 and right shell 11 in position.Multiple second bearing components 60 can be inserted into a left side
Ensuring that only guide rail 1 can be moved along its passage in side body 3 and right shell 11.
Fig. 5 shows the structure of second bearing component.As illustrated, bar 4 can be by pad 6 and axle
5 strings are held together to form bearing assembly.Preferably, in left shell 3 and right shell 11
Six groups of bearing assemblies are inserted in recessed shell respectively.Second bearing component 60 can be contacted with the side surface of guide rail 1
And for resisting side force so as to prevent guide rail 1 in left shell 3 and the inner inclination of right shell 11.
Therefore, second bearing component 60 can ensure that left shell 3 and right shell 4 turn together with guide rail 1
The relative position moved without changing them.
Left shell 3 and right shell 11 can be combined together by being fixedly installed, and such as fixation sets
Putting may include that the multiple screws 22 with annulation 29 and packing ring 6 can carry out abduction exercise with formation
With the slider structure of curvature movement.
Referring again to Fig. 3, multiple retaining elements 7 of such as Positioning screw are inserted into left shell
3 and right shell 11 in.When Positioning screw being screwed into left shell 3 and right shell 11,
Positioning screw 7 can be contacted with bar 4 and is pressed on bar 4.So as to Positioning screw 7 can be used to adjust
Second bearing component 60 as shown in Figure 5 and cause that they are contacted with the side surface of guide rail 1.
Fig. 4 shows the viewgraph of cross-section of the outside spherojoint of an implementation method according to the application.
As shown in Figure 4, at least two groups bearing assemblies 70 can be rolled in passage (i.e. ditch or groove).Figure
6 structures for showing bearing assembly 70, wherein bar 12 can be by two pads, 15, two bearings 14
String together to form bearing assembly 70 with sleeve 13.Pad 15 and sleeve 13 can be with bearings 14
Inner ring is contacted.Pad 15 and sleeve 13 can prevent bearing 14 from being slided along bar 12.Bearing 14 can be around
Bar 12 is rotated.One end of the bearing assembly can be inserted into left shell 3 and its other end can quilt
In insertion right shell 11.
Fig. 7 shows that the permission top fixed cell 200 in outside spherojoint connects relative to external ball
The decomposition side view of first 100 bearing assemblies for rotating.In the figure 7, axle 17 can by two bearings 19,
Two pads 18 gone here and there with pad 16 together with to form bearing assembly 80.Two pads 18 can be put
Put between two bearings 19 and contacted with the outer shroud of axle 17.Two pads 18 can prevent two
Bearing 19 contacts with each other.Bearing assembly 80 can be positioned in the preceding hole of slider housing 50 with
Top fixed cell 200 is connected.Covering 20 can be fixedly installed (for example, 4 spiral shells by multiple
21) nail is fixed together with slider housing 50.The diameter of the inner annular rim of covering 20 is fitted
In by pad 16 receive wherein and prevent bearing 19 pass through covering 20.The inner ring of bearing 19 can
The axis rotation for being contacted with axle 17 and pad 16 and can be on axle 17.
Fig. 3 is returned to, top fixed cell 200 may also include with the multiple for inserting pin or screw
The pin platform 2 in hole, is fastened on the platform cube 31 (Fig. 8) with by screw.Such as Fig. 3
Shown in, if being disposed with dry hole to adapt to various sizes of patient in the pin platform 2.Such as spiral shell
Multiple retaining elements 21 of nail can be used to covering 20 is fastened into external ball using bearing assembly 80
Joint 100.When covering 20 is fastened into outside spherojoint 100 using bearing assembly 80, pad
Piece is sandwiched between pin platform 2 and bearing 19.Axle 17 pin platform 2 can also be stringed together and also
Can be tightened together by screw 23 and packing ring 30.Therefore, as shown in Figure 4, pin platform 2,
Guide rail 1 and slider structure can be freely rotatable along the axis of axle 17.
Referring to figs. 1 to Fig. 7, top fixed cell 200 can be rotated simultaneously relative to outside spherojoint 100
And guide rail 1 can move up and down along the curvature slider housing 50 of passage.To be bent in hip joint
In the case of bent/stretching, extension and interior receipts motion, guide rail 1 will be moved downward (i.e., along the curvature of passage
Clockwise) while top fixed cell 200 and outside spherojoint 100 are pivotably movable with respect each other.
In the case where hip joint will carry out flexing/stretching, extension and abduction exercise, guide rail 1 is by along the song of passage
Rate moves (i.e., counterclockwise) upwards while top fixed cell 200 and outside spherojoint will
It is pivotably movable with respect each other.Specifically, the flexion and extension of outside spherojoint 100 is by from slider
Preceding hole on housing 50 through bearing assembly 80 and slider housing 50 relative rotation reality
Existing.When outside spherojoint 100 performs flexion and extension, only bearing assembly 80 is rotated and guide rail
1 not upward/downward movement.
Therefore, hip Distraction Apparatus 1000 can be allowed together with outside spherojoint 100 flexing, stretching, extension,
Interior receipts and abduction exercise.That is, the device according to present embodiment can be in two plane fortune
Motion that is dynamic and allowing 360 degree.
Fig. 8 shows the horizontal stroke for the upper pin fixed structure being fixed on hip Distraction Apparatus on hipbone
Section view.Reference picture 8 and Fig. 2, cube 31 can be located on pin platform 2.Screw 24 can be worn
Cross the bottom countersunk head slotted eye of pin platform 2 and for fixing cube 31.Cube 31 and sleeve
32 aperture can be respectively such as 8 millimeters and 6 millimeters.Sleeve 32 can be made into difference
Hollow diameters with keep have correspondence diameter different pins 33.One end of pin 33 is inserted into sleeve
In 32 and the other end of pin 33 is fixed on hipbone.Using this cube and sleeve system,
Cube 31 can keep various sizes of bone pin using correspondence sleeve.Fixed cell (for example, screw)
28 can be used to tighten together cube 31, sleeve 32 and pin 33 so that top fixed cell can
It is fixed to hipbone.
Fig. 9 shows be connected between the guide rail of top half and the spherojoint in the latter half saturating
Photopic vision figure.In fig .9, with ball 37 can be combined together guide rail 1 by Positioning screw 8.Positioning spiral shell
One end of nail 8 can be screwed into guide rail 1 and its other end can be screwed in goal 37.For fixation
Positioning screw 8, can be used two Positioning screws 9 to extrude Positioning screw 8 and prevent Positioning screw 8
Fluff.
Figure 10 shows the synoptic diagram of the latter half structure of hip Distraction Apparatus.Under hip Distraction Apparatus
The main body of half part may include cylinder 44 and insertion body 45.Cylinder 44 may include for being fixed on it
Clamping device on his part.The latter half of hip Distraction Apparatus may also include clamping device 48, its
Tightened against the clamping device of the fixation of cylinder 44 by two screws 27.
Reference picture 2 and Figure 10, the axle of pin 33 can be placed in the receiving seat of clamping device 48.Pin
33 can be inserted into femur and be clamped by fixed cylinder 44 and clamping device 48.Therefore,
Hip Distraction Apparatus safely can be applied on the bone of patient.Insertion body 45 can be perpendicularly inserted cylinder
In 44.There can be groove in insertion body 45.As shown in Figure 2, centerbody lock screw 47 can
In projecting to groove.Then, cylinder 44 and insertion body 45 can quilts during the displacement of other parts
It is fixed against pivotably movable with respect each other.
The latter half of hip Distraction Apparatus may also include the stretching for applying pressure or tension force to joint
Unit 301.Hip stretching is the surgical procedure for carrying out stretching hip joint using hip Distraction Apparatus.By
Stretching unit 301 is set in hip Distraction Apparatus 1000, the surgical procedure of hip stretching is capable of achieving.Such as
Shown in Figure 10, the bolt 39 and bolt 40 of stretching unit 301 can be respectively inserted cylinder 44
Engaged with cylinder 44 with insertion body 45.Bolt 39 and bolt 40 may be designed in insertion tube
The end of body 44 includes the annular groove of the axis around bolt.
Figure 11 shows the stretching unit of the hip Distraction Apparatus of an implementation method according to the application
Exploded view.As shown in Figure 11, stretching unit 301 may include fixing bolt 39 lining ring 42,
During hollow cylinder 38, screw 25 and annulation 43, wherein bolt 40 and installed part 41 are fixed on
At the upper end of empty cylinder 38.Lining ring 42 may be connected to the bar portion of screw 25, the external screw thread of screw 25
Can be engaged with the internal thread of hollow cylinder 38.Annulation 43 can make lining ring 42 be maintained at appropriate position
Put and the rotation of without prejudice to lining ring 42.Annulation 43 may include to be located at the hole in its circumference to receive
Positioning screw 10 for locking the position of annulation 43.O-ring 49 can be placed in the He of bolt 39
In the groove of bolt 40.O-ring 49 can prevent stretching unit from being slid from cylinder 44.
Thus, stretching unit 301 can be by bolt 39 and 40 and the lower half of hip Distraction Apparatus 1000
Partial main body connects and can be used to carry out stretching.After stretching unit 301 is attached, hip
Portion's Distraction Apparatus can be by the stretching of elongated stretching unit 301.That is, work as to need to carry out stretching
When, the relative position of hollow cylinder 38 and screw 25 is can adjust, so as to adjust cylinder 44 with insertion
The relative position of body 45.Centerbody lock screw 47 can be tightened to lock cylinder after stretching
44 and insertion body 45.
Therefore, the latter half with stretching unit 301 of hip Distraction Apparatus 1000 can provide stretching
To adapt to different patients.
Figure 12 shows the ball of the quick releasable clamping unit of an implementation method according to the application
The viewgraph of cross-section of joint.
As shown in Figure 12, during eccentric bolt 35 can be inserted into the insertion body 45.Ball 37 can keep
Between semi-spherical cup-shaped socket 34 and lid 36.After eccentric bolt 35 is rotated to a certain degree,
Socket 34 is pushed upwardly and its ball 37 that will be included against joint is clamped.Therefore, such as Fig. 4
Shown, outside spherojoint can be connected with bottom fixed cell 300 and be fixed to bottom fixed cell
300。
For example, in embodiments, eccentric bolt 35 has the shape of eccentric cuboid, and leads to
Cross and eccentric bolt 35 is rotated into a right angle socket 34 can be pushed up, so that bottom is fixed
Unit is connected with outside spherojoint.
Figure 13 shows the hip fixed with the hip Distraction Apparatus of an implementation method according to the application
The schematic diagram in joint.
As shown in Figure 13, bone pin can be tightly inserted into bone.It is provided with the hip of clamping device
Portion's Distraction Apparatus 1000 can be firmly tightened on bone pin, from skin e.g., from about 10mm.Hip
The rotary shaft of Distraction Apparatus can be accurately aligned with the flexing/outrigger shaft of hip joint.As shown in Figure 3,
Guide rail 1 can must be positioned at hip joint pivot for the imaginary centres of arcuate structure and guide rail 1.
This means guide rail 1 must be concentric with hip joint.Otherwise, it will make and the fixation of hip Distraction Apparatus
Limbs dislocate during hip abduction or interior receipts.
In description above, many aspects, step or part are carried out in one embodiment
Explanation, but the disclosure be not to be read as theme required for protection need it is all it is disclosed on
State content.Appended claim content required for protection can also regard a part for specification,
Wherein each claim is in itself as the standalone embodiment of the disclosure.
Additionally, it will be apparent to one skilled in the art that in view of the disclosure explanation and
Practice, in the case of without departing substantially from the scope of the present disclosure as defined by the appended claims, can be for public affairs
The system and method opened make various modifications and variations.Therefore, specification and example are intended only as
Exemplary consideration, and the true scope of the disclosure is by appended claims and its equivalent expression.
Claims (15)
1. a kind of hip stretch device, including：
Outside spherojoint；
Top fixed cell, is pivotally coupled to the front side of the outside spherojoint and can fix
To hipbone；And
Bottom fixed cell, is attached to the bottom of the outside spherojoint and can be fixed to femur,
Wherein, the outside spherojoint includes limiting the slider housing of guide rail, the guide rail into
Shape is with shaped form passage and can be along the curvature in the shaped form passage, in the cunning
Moved up and down relative to the top fixed cell in dynamic device housing, so that the femur is relative to institute
State hipbone abduction or interior receipts.
2. hip stretch device as claimed in claim 1, wherein, the guide rail can with it is described under
Portion's fixed cell is moved in the clockwise direction along the shaped form passage together, so that the stock
Bone photo in the hipbone for receiving；And
The guide rail can together with the bottom fixed cell along the shaped form passage in the inverse time
Pin direction is moved, so that the femur is relative to the hipbone abduction.
3. hip stretch device as claimed in claim 2, wherein, the top fixed cell and institute
Stating that outside spherojoint is connected into can be pivotably movable with respect each other, so that the femur can be relative to hip
Bone is moved in the way of flexion/extension motion.
4. hip stretch device as claimed in claim 1, wherein the external ball joint includes sliding
Device housing, the slider housing includes：
Left shell；And
Right shell, is combined with the left shell；
Wherein, the guide rail is sandwiched between the left shell and right shell.
5. hip stretch device as claimed in claim 4, wherein,
The shaped form passage is provided for and the multiple clutch shaft bearing groups through the shaped form passage
Part limits the motion path of the guide rail together,
Can for the interval by the guide rail clip between the left shell and the right shell
Adjusted by multiple second bearing components, and
Each in the left shell and the right shell includes that multiple first is fixedly installed, with
Be pressed on the second bearing component adjust the second bearing component with the guide rail contact.
6. hip stretch device as claimed in claim 5, wherein the external ball joint is slided at it
There is preceding hole, the top fixed cell is by be embedded in/being arranged in the slider shell on dynamic device housing
3rd bearing component in the preceding hole of body is attached to the outside spherojoint.
7. hip stretch device as claimed in claim 5, wherein the top fixed cell includes pin
Platform, the 3rd bearing component includes the axle for being arranged to string together on the pin platform, the axle
It is rotatably secured at together so that the pin platform, the guide rail and described with the pin platform
Slider housing can be rotated freely through along the axis of the axle.
8. hip stretch device as claimed in claim 1, wherein, the top fixed cell energy
The hipbone is enough fixed to by coupling assembly, described coupling assembly includes：
Cube, is placed on the pin platform；
Sleeve, in the insertion cube；And
Pin, is kept by the cube.
9. hip stretch device as claimed in claim 1, wherein the bottom fixed cell includes
The stretching unit that can be stretched is with along the length of the femur regulation bottom fixed cell.
10. hip stretch device as claimed in claim 1, wherein the bottom fixed cell includes
Be fixedly installed the ball being combined with the guide rail by second, and described second be fixedly installed one
End is fixed in the guide rail, and second other end being fixedly installed is fixed in the ball.
11. hip stretch devices as claimed in claim 10, wherein the bottom fixed cell bag
Include：
First cylinder；
Insertion body, is inserted into first cylinder,
Lid；And
Socket, be arranged on the insertion body upper end and with the cap-shaped into space to receive the ball.
12. hip stretch devices as claimed in claim 11, wherein the bottom fixed cell is also
Including inserting the eccentric bolt in the insertion body, and
Wherein, after the eccentric bolt is rotated, the outside spherojoint is fixed with the bottom
Unit is connected and is fixed to the bottom fixed cell.
A kind of 13. outside spherojoints, including：
Slider housing, the slider housing includes：
Left shell；And
Right shell, is combined with the left shell；
Guide rail, is clipped between the left shell and the right shell,
Wherein,
The guide rail is configured with shaped form passage, the shaped form passage be used for through the passage
Multiple clutch shaft bearing components limit the motion path of the guide rail together,
Can for the interval by the guide rail clip between the left shell and the right shell
Adjusted by multiple second bearing components, and
Each in the left shell and the right shell includes that multiple first is fixedly installed, with
It is pressed on the second bearing component to adjust the second bearing component so as to be connect with the guide rail
Touch.
14. outside spherojoints as claimed in claim 13, wherein the external ball joint arrangement is
There is the preceding hole for keeping 3rd bearing component, the 3rd bearing in the slider housing
Component is used to couple the top fixed cell that hipbone is fixed to the outside spherojoint.
A kind of 15. methods for assembling hip stretch device, wherein the hip stretch device at least includes
Top fixed cell, outside spherojoint and bottom fixed cell,
Wherein described top fixed cell can be fixed to hipbone, and the bottom fixed cell energy
Femur is enough fixed to,
Wherein, methods described includes：
The top fixed cell is pivotally coupled to the front side of the outside spherojoint；
The bottom fixed cell is attached to the bottom of the outside spherojoint；And
It is with the slider housing for limiting guide rail, wherein described lead by the external ball joint arrangement
Rail is configured to shaped form passage and can be along the curvature of the shaped form passage in the cunning
Moved up and down relative to the top fixed cell in dynamic device housing, so that the femur is relative to institute
State hipbone abduction or interior receipts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511016471.2A CN106923895B (en) | 2015-12-29 | 2015-12-29 | Hip stretching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511016471.2A CN106923895B (en) | 2015-12-29 | 2015-12-29 | Hip stretching device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106923895A true CN106923895A (en) | 2017-07-07 |
| CN106923895B CN106923895B (en) | 2020-10-16 |
Family
ID=59442326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511016471.2A Active CN106923895B (en) | 2015-12-29 | 2015-12-29 | Hip stretching device |
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| Country | Link |
|---|---|
| CN (1) | CN106923895B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107212933A (en) * | 2017-07-11 | 2017-09-29 | 田�文明 | A kind of hip replacement surgery assistive device |
| CN109692021A (en) * | 2019-01-28 | 2019-04-30 | 青岛大学附属医院 | A kind of hip joint retractor |
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| CN2794450Y (en) * | 2005-04-20 | 2006-07-12 | 侯树勋 | External fixer for coxae |
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| US4185623A (en) * | 1978-07-18 | 1980-01-29 | Oganesian Oganes V | Apparatus for restoration of hip joint mobility |
| CN86104208A (en) * | 1986-05-22 | 1987-12-02 | 雅克矫形外科公司 | External moving bone fixed apparatus |
| SU1747053A1 (en) * | 1990-01-05 | 1992-07-15 | Казанский филиал Всесоюзного Курганского научного центра "Восстановительная травматология и ортопедия" | Apparatus for restoring mobility in the hip joint |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN106923895B (en) | 2020-10-16 |
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