CN108324357A - A kind of minimally invasive drift fixing bracket device - Google Patents
A kind of minimally invasive drift fixing bracket device Download PDFInfo
- Publication number
- CN108324357A CN108324357A CN201810207686.XA CN201810207686A CN108324357A CN 108324357 A CN108324357 A CN 108324357A CN 201810207686 A CN201810207686 A CN 201810207686A CN 108324357 A CN108324357 A CN 108324357A
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- CN
- China
- Prior art keywords
- card body
- hole
- stick
- nail
- double
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 125000003003 spiro group Chemical group 0.000 claims description 11
- 239000007787 solid Substances 0.000 claims description 6
- 230000007704 transition Effects 0.000 claims description 3
- 208000010392 Bone Fractures Diseases 0.000 abstract description 8
- 206010017076 Fracture Diseases 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 8
- 208000027418 Wounds and injury Diseases 0.000 abstract description 5
- 230000006378 damage Effects 0.000 abstract description 2
- 208000014674 injury Diseases 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 38
- 239000000243 solution Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 108010048734 sclerotin Proteins 0.000 description 2
- 238000007920 subcutaneous administration Methods 0.000 description 2
- 230000001225 therapeutic effect Effects 0.000 description 2
- 241000587161 Gomphocarpus Species 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000399 orthopedic effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
-
- 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
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
- A61B17/8033—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates having indirect contact with screw heads, or having contact with screw heads maintained with the aid of additional components, e.g. nuts, wedges or head covers
-
- 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
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/84—Fasteners therefor or fasteners being internal fixation devices
- A61B17/86—Pins or screws or threaded wires; nuts therefor
- A61B17/8605—Heads, i.e. proximal ends projecting from bone
Abstract
The invention discloses a kind of minimally invasive drift fixing bracket devices, including stick, nail and fixture block, the nail includes One-way screw, universal nail, jackscrew, card cap and snap ring, the fixture block includes end card body and card body, end card body includes palm shape end card body and shuttle-type end card body, card body is equipped at least one card hole and screw hole, shuttle-type end card body is equipped at least one card hole and shallow screw hole, palm shape end card body is equipped at least one card hole, shallow screw hole and screw hole, the axial at least side of fixture block subject plane is provided with stick hole so that stick passes through, nail and card hole, stick is locked on end card body and card body and forms minimally invasive drift fixing bracket by shallow screw hole and screw hole mutual cooperation.The device provides fixed form outside a kind of fracture skin, and the fixed form uses minimal invasive techniques, the wound smaller to fracture patient and fixation is more secured, more after can conveniently remove the fixing device, greatly mitigate the secondary injury to patient.
Description
Technical field
The present invention relates to medical instruments fields, and in particular to a kind of minimally invasive drift fixing bracket device.
Background technology
Human fracture's technique for fixing and orthopedic fixation technology have quick development in recent years, but the development is more concentrated
In terms of showing interior fixation and External technique, make the fixed or subcutaneous technique for fixing of drift there is not yet innovative design and its clinic are answered
With also without the development of good instrument support orthopaedics minimal invasive techniques.
Invention content
The present invention to solve the above-mentioned problems, devises a kind of minimally invasive drift fixing bracket device, and the structure of the device is special
It is designed with minimal invasive techniques for drift is fixed, better therapeutic scheme can be provided for clinic, fill up the inside and outside fixed skill of current orthopaedics
The problem of art deficiency.
In order to achieve the above technical purposes, reach above-mentioned technique effect, the present invention is achieved by the following technical solutions：
A kind of minimally invasive drift fixing bracket device, it is characterised in that：Including stick, nail and fixture block, the nail includes unidirectional
Screw, universal nail, jackscrew, card cap and snap ring, the fixture block include end card body and card body, and end card body includes palm shape end
Card body and shuttle-type end card body, card body are equipped at least one card hole and screw hole, and shuttle-type end card body is equipped at least one card
Hole and shallow screw hole, palm shape end card body are equipped at least one card hole, shallow screw hole and screw hole, and fixture block subject plane is axial
At least side is provided with stick hole so that stick passes through, and nail cooperates with card hole, shallow screw hole and screw hole stick being locked in end
On card body and card body and form minimally invasive drift fixing bracket.
Stick is the straight stick of elongated setting rill, and the One-way screw and universal nail are made of the head of a nail and rivet nut, unidirectional spiral shell
The head of a nail of nail be outer surface it is threaded and with the structure that rivet nut transition face is spherical surface, rivet nut be middle part it is externally threaded to have
The head of a nail of half-thread structure, universal nail is smooth spherical, and the outer surface of the jackscrew is equipped with two-wire external screw thread, and the bottom of jackscrew is set
There are the spherical groove consistent with universal nail head of a nail shape, the card cap to be made of holding section and spiro union portion, the bottom of holding section
Face is spherical surface, and the outer surface of spiro union portion is equipped with external screw thread, and the snap ring of institute is hollow annular structure, the inner wall of snap ring equipped with and card
Cap spiro union portion external screw thread consistent internal thread is arranged with rotation stop protrusion, a side of the outer wall of snap ring on the outer wall of snap ring
Or symmetrical two sides are equipped with annular knurl arc groove；One-way screw, universal nail, jackscrew, card cap top be equipped with blossom type socket.
One-way screw and universal nail be respectively solid One-way screw, hollow One-way screw and solid universal nail, hollow universal
Nail.
Shuttle-type end card body can be divided into double stick shuttle-type end card body series and single rod shuttle-type end by stick hole and nail hole number
Card body series, the shuttle-type end card body of double stick shuttle-type end card body series is in subject plane axial direction than single rod shuttle-type end card body
The more stick holes of shuttle-type end card body of series, double stick shuttle-type end card body series includes double stick list nail shuttle-type end card body I, double
The double nail shuttle-type end card body I of stick, double stick list nail shuttle-type end card body II and the double nail shuttle-type end card body II of double stick, single rod shuttle-type end
Head card body series includes single rod list nail shuttle-type end card body I, the double nail shuttle-type end card body I of single rod, single rod list nail shuttle-type end card
The double nail shuttle-type end card body II of body II and single rod, set that there are two sticks in the subject plane axial direction of double stick list nail shuttle-type end card body I
Hole, two stick holes are non-through blind hole, and 1 card hole, 1 screw are provided on the subject plane of double stick list nail shuttle-type end card body I
Hole and 1 shallow screw hole are provided with 2 card holes, 2 screw holes on the subject planes of the double nail shuttle-type end card body I of the double stick
With 1 and shallow screw hole, card hole and screw hole are arranged in a crossed manner, and 1 is provided on the subject plane of double stick list nail shuttle-type end card body II
Card hole and 1 shallow screw hole are provided with 2 card holes, 1 screw hole and 1 on the subject planes of the double nail shuttle-type end card body II of double stick
A shallow screw hole, screw hole are set between 2 card holes；
The palm shape end card body can be divided into double stick palm shape end card body series by stick hole and nail hole number and single rod is slapped
Type end card body series, the double stick palm shape end card body of double stick palm shape end card body series is than single rod palm shape end card body series
For single rod palm shape end card body in the upper more stick holes of subject plane axial direction, double stick palm shape end card body series includes double stick list shod
Type end card body I, double stick double shod type end card body I, double stick list shod type end card body II and the double shod type end cards of double stick
Body II, single rod palm shape end card body series include single rod list shod type end card body I, single rod double shod type end card body I, single rods
The single shod type end card body II and double shod type end card body II of single rod, the subject plane axis of double stick list shod type end card body I
It is set upwards there are two stick hole, stick hole is non-through blind hole, and 1 card is provided on the subject plane of double stick list shod type end card body I
Hole, 1 screw hole and 1 shallow screw hole are provided with 2 card holes, 2 spiral shells on the subject plane of the double shod type end card body I of double stick
Nail hole and 1 shallow screw hole, card hole and screw hole are arranged in a crossed manner, are provided on the subject plane of double stick list shod type end card body II
1 card hole, 1 screw hole and 3 shallow screw holes, 3 shallow screw holes are in fan-shaped array in double stick list shod type end card body II
Edge on the inside of, be provided with 2 card holes, 2 screw holes and 3 shallow screws on the subject plane of the double shod type end card body II of double stick
Hole, card hole and screw hole are arranged in a crossed manner, and 3 shallow screw holes are in fan-shaped array in the edge of the double shod type end card body II of double stick
Side；
The card body can be divided into double stick card body series and single rod card body series, double stick card body by the number of stick hole and nail hole
A stick hole, double stick card body series include the card body of series more than the single rod card body of single rod card body series on subject plane is axial
Double stick list follows closely the double nail card bodies of card body, double stick, double stick four follows closely card body, and single rod card body series includes single rod list nail card body, the double nails of single rod
Card body and single rod four follow closely card body, are opened in the subject plane axial direction of double stick list nail card body there are two the stick hole penetrated through, double stick list follows closely card
It is provided with 1 card hole and 1 screw hole on the subject plane of body, 2 card holes and 2 screws are provided on the subject plane of the double nails of double stick
Hole, card hole and screw hole intersect or are arranged symmetrically, and 4 card holes and 4 screws are provided on the subject plane of the nail card body of double stick four
Hole, card hole and screw hole arranged crosswise or 2 card holes and 2 screw hole arranged crosswises and mirror symmetry is set to the another of card body
On half subject plane.
The side of card hole is equipped with the cross bore penetrated through with stick hole, and the epimere of card hole and stick hole parallel sides is equipped with pin hole, pin hole
In be plugged with axis pin, hypomere is equipped with the rotation stop groove consistent with the rotation stop of snap ring protrusion, and two-wire is carved on the epimere inner wall of screw hole
The hypomere of internal thread, screw hole is ball-and-socket, and the inner wall of shallow screw hole is carved with two-wire internal thread, and the outlet at bottom of shallow screw hole is in ball
Shape；The spiro union portion of card cap is fixed on after being threadedly coupled with snap ring in card hole, is fixed on after the rivet nut and washer fitting of One-way screw
In screw hole, universal nail is fixed in screw hole by jackscrew by the threaded connection with screw hole, and One-way screw is double by the head of a nail
Line is screwed in screw hole or shallow screw hole.
Present invention has the advantages that：The device provides fixed forms outside a kind of fracture skin, and the fixed form is using micro-
Wound technology, wound smaller to fracture patient and fixation is more secured, more after can conveniently remove the fixing device, greatly mitigate
To the secondary injury of patient, while better therapeutic scheme can be provided for clinic, it is insufficient to fill up the inside and outside technique for fixing of current orthopaedics
The problem of.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will be described below to embodiment required
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is the integral installation distribution structure schematic diagram of minimally invasive drift fixing bracket device；
Fig. 2 is the structural schematic diagram of the One-way screw；
Fig. 3 is the structural schematic diagram of the washer；
Fig. 4 is the One-way screw and washer assembling structure schematic diagram；
Fig. 5 is the card cap structure schematic diagram；
Fig. 6 is the Snap ring structure schematic diagram；
Fig. 7 is the card cap and snap ring assembling structure schematic diagram；
Fig. 8 is the jackscrew structural schematic diagram；
Fig. 9 is the universal nail structural schematic diagram；
Figure 10 is the universal nail and jackscrew assembling structure schematic diagram；
Figure 11 is the hollow One-way screw cross-sectional view；
Figure 12 is that the hollow universal nail assembles schematic cross-sectional view with jackscrew；
Figure 13 is that the double stick list follows closely shuttle-type end card body I structural schematic diagrams；
Figure 14 is that the double stick list follows closely shuttle-type end card body I assembling structure schematic diagrams；
Figure 15 is the double nail shuttle-type end card body I structural schematic diagrams of the double stick；
Figure 16 is the assembling structure schematic diagram of the double nail shuttle-type end card body I of the double stick；
Figure 17 is the cross-sectional view of the double nail shuttle-type end card body I of the double stick；
Figure 18 is the assembly cross-sectional view of the double nail shuttle-type end card body I of the double stick；
Figure 19 is the structural schematic diagram of the double stick list nail shuttle-type end card body II；
Figure 20 is the assembling structure schematic diagram of the double stick list nail shuttle-type end card body II；
Figure 21 is the structural schematic diagram of the double nail shuttle-type end card body II of the double stick；
Figure 22 is the assembling structure schematic diagram of the double nail shuttle-type end card body II of the double stick；
Figure 23 is the structural schematic diagram of the double stick list shod type end card body I；
Figure 24 is the assembling structure schematic diagram of the double stick list shod type end card body I；
Figure 25 is the structural schematic diagram of the double shod type end card body I of the double stick；
Figure 26 is the assembling structure schematic diagram of the double shod type end card body I of the double stick；
Figure 27 is the structural schematic diagram of the double stick list shod type end card body II；
Figure 28 is the assembling structure schematic diagram of the double stick list shod type end card body II；
Figure 29 is the structural schematic diagram of the double shod type end card body II of the double stick；
Figure 30 is the assembling structure schematic diagram of the double shod type end card body II of the double stick；
Figure 31 is the structural schematic diagram of the double stick list nail card body；
Figure 32 is the assembling structure schematic diagram of the double stick list nail card body；
Figure 33 is the structural schematic diagram of the double nail card bodies of the double stick；
Figure 34 is the assembling structure schematic diagram of the double nail card bodies of the double stick；
Figure 35 is the first distressed structure schematic diagram of the double nail card bodies of the double stick；
Figure 36 is the first deformation assembling structure schematic diagram of the double nail card bodies of the double stick；
Figure 37 is the structural schematic diagram that the double stick four follows closely card body；
Figure 38 is the assembling structure schematic diagram that the double stick four follows closely card body；
Figure 39 is the structural schematic diagram of the single rod list nail card body；
Figure 40 is the assembling structure schematic diagram of the single rod list nail card body；
Figure 41 is the structural schematic diagram of the double nail card bodies of the single rod；
Figure 42 is the double nail card body assembling structure schematic diagrams of the single rod.
In attached drawing, parts list represented by the reference numerals are as follows：
1- sticks, 2- universal nails, 3- card bodies, 4- palm shapes end card body, 5- shuttle-type end card body, 6- grabs, 7- card holes, 8- spiral shells
Nail hole, the shallow screw holes of 9-；21- jackscrews, 22- card caps, 23- snap rings, 24- One-way screws, 25- washers, 26- axis pins, 51- sticks hole,
71- cross bores, 72- rotation stop grooves, 81- ball-and-sockets；201- injection canals, the holding sections 221-, 222- spiro union portions, 231- rotation stop protrusions,
232- annular knurl arc grooves, the 241- heads of a nail, 242- rivet nuts, 251- catch surfaces.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained all other without creative efforts
Embodiment shall fall within the protection scope of the present invention.
As shown in figs. 1-12, a kind of minimally invasive drift fixing bracket device, including stick 1, nail and fixture block, the nail include single
To screw 24, universal nail 2, jackscrew 21, card cap 22 and snap ring 23, the fixture block includes end card body and card body 3, end card body
Including palm shape end card body 4 and shuttle-type end card body 5, card body 3 is equipped at least one card hole 7 and screw hole 8, shuttle-type end card
Body 5 is equipped at least one card hole 7 and shallow screw hole 9, and palm shape end card body 4 is equipped at least one card hole 7,9 and of shallow screw hole
Screw hole 8, the axial at least side of 7 subject plane of fixture block are provided with stick hole 51 so that stick 1 passes through, follow closely and card hole 7, shallow screw hole 9
Stick 1 is locked on end card body and card body 3 with the mutual cooperation of screw hole 8 and forms minimally invasive drift fixing bracket.
Stick 1 is the straight stick of elongated setting rill, and the One-way screw 24 and universal nail 2 are by 242 groups of the head of a nail 241 and rivet nut
The head of a nail 241 at, One-way screw 24 be outer surface it is threaded and with the structure that 242 transition face of rivet nut is spherical surface, rivet nut 242 is
To have externally threaded half-thread structure, the head of a nail 241 of universal nail 2 is smooth spherical, the outer surface of the jackscrew 21 at middle part
Equipped with two-wire external screw thread, the bottom of jackscrew 21 is equipped with the spherical groove consistent with 2 head of a nail shape of universal nail, the card cap 22
It being made of holding section 221 and spiro union portion 222, the bottom surface of holding section 221 is spherical surface, and the outer surface of spiro union portion 222 is equipped with external screw thread,
Snap ring 23 be hollow annular structure, the inner wall of snap ring 23 is equipped with the internal thread consistent with 22 spiro union portion external screw thread of card cap,
Rotation stop protrusion 231 is arranged on the outer wall of snap ring 23, a side of the outer wall of snap ring or symmetrical two sides are equipped with rolling
Flower arc groove 232；One-way screw 24, universal nail 2, jackscrew 21, card cap 22 top be equipped with blossom type socket.
One-way screw 24 and universal nail 2 are respectively solid One-way screw, hollow One-way screw and solid universal nail, hollow ten thousand
Xiang Ding.
As shown in Figure 13-22, shuttle-type end card body 5 can be divided into double stick shuttle-type end card body series by stick hole and nail hole number
Compare list in subject plane axial direction with the shuttle-type end card body of single rod shuttle-type end card body series, double stick shuttle-type end card body series
The more stick holes 51 of the shuttle-type end card body of stick shuttle-type end card body series, double stick shuttle-type end card body series includes double stick Dan Ding
The double nail shuttle-type end card body I of shuttle-type end card body I, double stick, double stick list nail shuttle-type end card body II and the double nail shuttle-type ends of double stick
Card body II, single rod shuttle-type end card body series include single rod list nail shuttle-type end card body I, the double nail shuttle-type end card body I of single rod, list
Stick list follows closely shuttle-type end card body II and the double nail shuttle-type end card body II of single rod, and double stick list follows closely the subject plane of shuttle-type end card body I
It is set in axial direction there are two stick hole 51, two stick holes 51 are non-through blind hole, and double stick list is followed closely on the subject plane of shuttle-type end card body I
It is provided with 1 card hole, 7,1 screw holes 8 and 1 shallow screw hole 9, the double stick pair is followed closely on the subject planes of shuttle-type end card body I
It is provided with 2 card holes, 7,2 screw holes 8 and 1 and shallow screw hole 9, card hole 7 and screw hole 8 are arranged in a crossed manner, and double stick list follows closely shuttle-type end
1 card hole 7 and 1 shallow screw hole 9, the subject plane of the double nail shuttle-type end card body II of double stick are provided on the subject plane of card body II
On be provided with 2 card holes, 7,1 screw holes 8 and 1 shallow screw hole 9, screw hole 8 are set between 2 card holes 7；
As shown in Figure 23-30, palm shape end card body 4 can be divided into double stick palm shape end card body series by stick hole and nail hole number
With single rod palm shape end card body series, the double stick palm shape end card body of double stick palm shape end card body series is than single rod palm shape end card
In subject plane, axially a upper more stick hole, double stick palm shape end card body series include double to the single rod palm shape end card body of series
Stick list shod type end card body I, double stick double shod type end card body I, double stick list shod type end card body II and the double shods of double stick
Type end card body II, single rod palm shape end card body series include single rod list shod type end card body I, the double shod type end cards of single rod
Body I, single rod list shod type end card body II and the double shod type end card body II of single rod, the master of double stick list shod type end card body I
Body plane axis is set upwards there are two stick hole 51, and stick hole 51 is non-through blind hole, the subject plane of double stick list shod type end card body I
On be provided with 1 card hole, 7,1 screw holes 8 and 1 shallow screw hole 9, be provided on the subject plane of the double shod type end card body I of double stick
2 card holes, 7,2 screw holes 8 and 1 shallow screw hole 9, card hole 7 and screw hole 8 are arranged in a crossed manner, double stick list shod type end card body
Be provided on the subject plane of II 9,3 shallow screw holes 9 of 1 card hole, 7,1 screw holes 8 and 3 shallow screw holes in fan-shaped array in
On the inside of the edge of double stick list shod type end card body II, 2 cards are provided on the subject plane of the double shod type end card body II of double stick
7,2, hole screw hole 8 and 3 shallow screw holes 9, card hole 7 and screw hole 8 are arranged in a crossed manner, 3 shallow screw holes 9 in fan-shaped array in
On the inside of the edge of the double shod type end card body II of double stick；
As shown in Figure 31-42, card body 3 can be divided into double stick card body series and single rod card body system by the number of stick hole and nail hole
Row, the card body of double stick card body series a stick hole, double stick more than the single rod card body of single rod card body series in subject plane axial direction
Card body series includes double stick list nail card body, the double nail card bodies of double stick, the nail card body of double stick four, and single rod card body series includes single rod list nail card
Body, single rod list nail card body and single rod four follow closely card body, double stick list nail card body subject plane axial direction on open there are two penetrate through stick hole
51,1 card hole 7 and 1 screw hole 8 are provided on the subject plane of double stick list nail card body, and 2 are provided on the subject planes of the double nails of double stick
A card hole 7 and 2 screw holes 8, card hole 7 and screw hole 8 intersect or are arranged symmetrically, and are opened on the subject plane of the nail card body of double stick four
There are 4 card holes 7 and 4 screw holes 8, card hole 7 and 8 arranged crosswise of screw hole or 2 card holes 7 and 28 arranged crosswises of screw hole
And mirror symmetry is set on the other half subject plane of card body 3.
The side of card hole 7 is equipped with the cross bore 71 penetrated through with stick hole 51, and card hole 71 and the epimere of 51 parallel sides of stick hole are equipped with
Pin hole is plugged with axis pin 26 in pin hole, and pin hole hypomere is equipped with and the raised 231 consistent rotation stop grooves of the rotation stop of snap ring 23, screw hole 8
Epimere inner wall on be carved with two-wire internal thread, the hypomere of screw hole 8 is ball-and-socket 81, and the inner wall of shallow screw hole 9 is carved with spiral shell in two-wire
Line, the outlet at bottom of shallow screw hole 9 is in spherical；The spiro union portion 221 of card cap 22 is fixed on card hole 7 after being threadedly coupled with snap ring 23
In, it is fixed in screw hole 8 after the rivet nut and 25 fitting of washer of One-way screw 24, jackscrew 21 with the screw thread of screw hole 8 by connecting
It connects and universal nail 2 is fixed in screw hole 8, One-way screw 24 is threadably secured in shallow screw hole 9.
The assembly of the present apparatus and operation principle are：For different types of fracture, which is assembled, stick 1 is inserted
Enter card body stick hole 51, slide card body 3 and select appropriate location tightening card cap 22, in embedded device outside subcutaneous or skin in fracture two
End first uses electric drill to drill along screw hole 8, is screwed into universal nail 2, card body 3 between sclerotin at a distance from or height can be taking human as control, so
After be screwed into jackscrew 21, jackscrew 21 is tightened after reduction, is finally respectively implanted universal nail 2 or One-way screw 24.
During aforesaid operations, snap ring is placed in card hole 7, is inserted into along pin hole with axis pin 26, it is de- outside snap ring 23 to prevent,
The ball-and-socket at 7 bottom of card hole prevents from taking off outside snap ring 23, in the 231 merging rotation stop groove of rotation stop protrusion of snap ring 23, can effectively prevent snap ring
23 rotations.Stick 1 is penetrated into stick hole 51 at this time and is screwed into card cap 22 again；When being screwed into card cap 22, the annular knurl arc groove 232 and card cap of snap ring
Holding section 221 by the extruded rod 1 simultaneously of cross bore 71, so that stick 1 to be locked in stick hole 51, to realize stick 1 and card body 3
Connection.
Universal nail 2 is screwed into fracture by screw hole 8, and 241 bottom spherical surface of the head of a nail and the ball-and-socket face of 8 bottom surface of screw hole connect
It touches, and stops that screw spreads out of nail hole, when jackscrew 21 is screwed into screw hole 8,21 bottom ball of jackscrew squeezes the head of a nail top of universal nail
Portion's spherical surface, to lock universal nail 2.
When One-way screw 24 is screwed into sclerotin by screw hole 8, the external screw thread of the head of a nail 241 is screwed into screw hole 8 simultaneously, follows closely
Cap bottom spherical surface is stopped by 8 ball-and-socket of screw hole, to prevent screw to be pierced by nail hole, head of a nail external screw thread and 8 screw-internal thread fit of screw hole
Nail 1 is constituted to connect with the locking of card body 3.
The effect of washer 25 mainly increases the height of the One-way screw head of a nail 241, and increases the intensity of locking, snap ring 23
Annular knurl arc groove 232 and the purpose of the annular knurl of upper setting are to improve intermetallic frictional force, to improve the intensity of locking.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one implementation of the present invention
In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.The invention is limited only by the claims and the full scope thereof and equivalents thereof.
Claims (6)
1. a kind of minimally invasive drift fixing bracket device, it is characterised in that：Including stick, nail and fixture block, the nail includes unidirectional spiral shell
Nail, universal nail, jackscrew, card cap and snap ring, the fixture block include end card body and card body, and end card body includes palm shape end card
Body and shuttle-type end card body, card body are equipped at least one card hole and screw hole, and shuttle-type end card body is equipped at least one card hole
With shallow screw hole, palm shape end card body is equipped at least one card hole, shallow screw hole and screw hole, and fixture block subject plane is axial extremely
Rare side is provided with stick hole so that stick passes through, and nail cooperates with card hole, shallow screw hole and screw hole stick being locked in end card
On body and card body and form minimally invasive drift fixing bracket.
2. the minimally invasive drift fixing bracket device of one kind according to claim 1, it is characterised in that：The stick is elongated sets
The straight stick of rill is set, the One-way screw and universal nail are made of the head of a nail and rivet nut, and the head of a nail of One-way screw is outer surface band
Double thread and with the structure that rivet nut transition face is spherical surface, rivet nut is middle part to have an externally threaded half-thread structure, ten thousand
It is smooth spherical to the head of a nail of nail, the outer surface of the jackscrew is equipped with two-wire external screw thread, and the bottom of jackscrew is equipped with follows closely with universal nail
The consistent spherical groove of cap shaped, the card cap are made of holding section and spiro union portion, and the bottom surface of holding section is spherical surface, is spirally connected
The outer surface in portion is equipped with external screw thread, and the snap ring of institute is hollow annular structure, the inner wall of snap ring equipped with and spiral shell outside card cap spiro union portion
Line consistent internal thread is arranged with rotation stop protrusion, a side of the outer wall of snap ring or two symmetrical on the outer wall of snap ring
Side is equipped with annular knurl arc groove；One-way screw, universal nail, jackscrew, card cap top be equipped with blossom type socket.
3. the minimally invasive drift fixing bracket device of one kind according to claim 2, it is characterised in that：The One-way screw and
Universal nail is respectively solid One-way screw and solid Universal screw nail.
4. the minimally invasive drift fixing bracket device of one kind according to claim 2, it is characterised in that：The One-way screw and
Universal nail is respectively hollow One-way screw and hollow Universal screw nail.
5. the minimally invasive drift fixing bracket device of one kind according to claim 3 or claim 4, it is characterised in that：It is described
Shuttle-type end card body can be divided into double stick shuttle-type end card body series and single rod shuttle-type end card body system by stick hole and nail hole number
Row, the shuttle-type end card body of double stick shuttle-type end card body series are more serial than single rod shuttle-type end card body on subject plane is axial
The more stick holes of shuttle-type end card body, double stick shuttle-type end card body series include double stick list nail shuttle-type end card body I, the double nails of double stick
Shuttle-type end card body I, double stick list nail shuttle-type end card body II and the double nail shuttle-type end card body II of double stick, single rod shuttle-type end card body
Series include single rod list nail shuttle-type end card body I, the double nail shuttle-type end card body I of single rod, single rod list nail shuttle-type end card body II and
Single rod double nail shuttle-type end card body II are set in the subject plane axial direction of double stick list nail shuttle-type end card body I there are two stick hole, two
Stick hole is non-through blind hole, and 1 card hole, 1 screw hole and 1 are provided on the subject plane of double stick list nail shuttle-type end card body I
Shallow screw hole is provided with 2 card holes, 2 screw holes and 1 and shallow on the subject planes of the double nail shuttle-type end card body I of the double stick
Screw hole, card hole and screw hole are arranged in a crossed manner, and 1 card hole and 1 are provided on the subject plane of double stick list nail shuttle-type end card body II
A shallow screw hole is provided with 2 card holes, 1 screw hole and 1 shallow screw on the subject planes of the double nail shuttle-type end card body II of double stick
Hole, screw hole are set between 2 card holes；
The palm shape end card body can be divided into double stick palm shape end card body series and single rod palm shape end by stick hole and nail hole number
Head card body series, the single rod of the double stick palm shape end card body of double stick palm shape end card body series than single rod palm shape end card body series
For palm shape end card body in the upper more stick holes of subject plane axial direction, double stick palm shape end card body series includes double stick list shod type end
Head card body I, double stick double shod type end card body I, double stick list shod type end card body II and the double shod type end card body II of double stick,
Single rod palm shape end card body series includes single rod list shod type end card body I, single rod double shod type end card body I, single rod Dan Ding
The double shod type end card body II of palm shape end card body II and single rod, in the subject plane axial direction of double stick list shod type end card body I
If there are two stick hole, stick hole is non-through blind hole, and 1 card hole, 1 are provided on the subject plane of double stick list shod type end card body I
A screw hole and 1 shallow screw hole are provided with 2 card holes, 2 screw holes on the subject plane of the double shod type end card body I of double stick
With 1 shallow screw hole, card hole and screw hole are arranged in a crossed manner, and 1 is provided on the subject plane of double stick list shod type end card body II
Card hole, 1 screw hole and 3 shallow screw holes, 3 shallow screw holes are in fan-shaped array in the side of double stick list shod type end card body II
On the inside of edge, 2 card holes, 2 screw holes and 3 shallow screw holes are provided on the subject plane of the double shod type end card body II of double stick,
Card hole and screw hole are arranged in a crossed manner, and 3 shallow screw holes are in fan-shaped array on the inside of the edge of the double shod type end card body II of double stick；
The card body can be divided into double stick card body series and single rod card body series, double stick card body series by the number of stick hole and nail hole
Card body on subject plane is axial a stick hole more than the single rod card body of single rod card body series, double stick card body series includes double stick
Single nail card body, the double nail card bodies of double stick, double stick four follow closely card body, and single rod card body series includes single rod list nail card body, the double nail card bodies of single rod
Card body is followed closely with single rod four, is opened in the subject plane axial direction of double stick list nail card body there are two the stick hole penetrated through, double stick list follows closely card body
It is provided with 1 card hole and 1 screw hole on subject plane, 2 card holes and 2 screw holes are provided on the subject plane of the double nails of double stick,
Card hole and screw hole intersect or are arranged symmetrically, and 4 card holes and 4 screw holes are provided on the subject plane of the nail card body of double stick four,
Card hole and screw hole arranged crosswise or 2 card holes and 2 screw hole arranged crosswises and mirror symmetry is set to the another of card body
On half subject plane.
6. the minimally invasive drift fixing bracket device of one kind according to claim 5, it is characterised in that：The side of the card hole
Equipped with the cross bore penetrated through with stick hole, the epimere of card hole and stick hole parallel sides is equipped with pin hole, is plugged with axis pin in pin hole, hypomere is set
There is the rotation stop groove consistent with the rotation stop of snap ring protrusion, two-wire internal thread, the hypomere of screw hole are carved on the epimere inner wall of screw hole
Inner wall for ball-and-socket, shallow screw hole is carved with two-wire internal thread, and the outlet at bottom of shallow screw hole is in spherical；The spiro union portion and card of card cap
Ring is fixed on after being threadedly coupled in card hole, is fixed in screw hole after the rivet nut of One-way screw and washer fitting, jackscrew by with
Universal nail is fixed in screw hole by the threaded connection of screw hole, One-way screw by head of a nail double thread be fixed on screw hole or
In shallow screw hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810207686.XA CN108324357B (en) | 2018-03-14 | Minimally invasive drifting fixed support device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810207686.XA CN108324357B (en) | 2018-03-14 | Minimally invasive drifting fixed support device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108324357A true CN108324357A (en) | 2018-07-27 |
| CN108324357B CN108324357B (en) | 2024-04-30 |
Family
ID=
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| CN109512498A (en) * | 2018-08-20 | 2019-03-26 | 云南欧铂斯医疗科技有限公司 | Adjustable stick connected nail board fixer |
| CN109998654A (en) * | 2019-04-29 | 2019-07-12 | 广东施泰宝医疗科技有限公司 | Minimal invasion double-locking external fixation system |
| CN110259799A (en) * | 2019-05-30 | 2019-09-20 | 常州星宇车灯股份有限公司 | Universal screw nail, PCB component and the car light with it |
| WO2021129548A1 (en) * | 2019-12-26 | 2021-07-01 | 天津市威曼生物材料有限公司 | Semi-closed fixing device and closed locking device |
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