CN108720917A - Skull bone anchoring device and its operation tool - Google Patents
Skull bone anchoring device and its operation tool Download PDFInfo
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- CN108720917A CN108720917A CN201710255963.XA CN201710255963A CN108720917A CN 108720917 A CN108720917 A CN 108720917A CN 201710255963 A CN201710255963 A CN 201710255963A CN 108720917 A CN108720917 A CN 108720917A
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- engaging portion
- bone anchoring
- anchoring device
- skull bone
- stud
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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
- A61B17/68—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
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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
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/688—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin for reattaching pieces of the skull
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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
- A61B17/68—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
- A61B17/8061—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates specially adapted for particular bones
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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
- A61B17/68—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
- A61B17/808—Instruments for holding or positioning bone plates, or for adjusting screw-to-plate locking mechanisms
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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
- A61B17/68—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
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
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- Prostheses (AREA)
- Surgical Instruments (AREA)
Abstract
A kind of skull bone anchoring device of present invention offer and its operation tool, skull bone anchoring device, which includes at least forcing piece and a movable buckle assembly, the lower forcing piece, has a stud for being internally provided with the first engaging portion；The activity buckle assembly, which includes at least, forcing piece and a nut on one, forcing piece has a fitting portion for being internally provided with the first pivot portion on this, the nut can be screwed togather with stud, and the upper end is equipped with one first positioning region, and outer surface is equipped with one and the first matched second pivot portion of pivot portion；Its operation tool includes at least guide bar in an outer sleeve and one, which is equipped with second positioning region combined with the first positioning region of nut, which is equipped with second engaging portion for combining the first engaging portion of stud；Accordingly, have configuration at regular intervals between head appearance when entire movable buckle assembly being enable to be positioned at outer sleeve, cranium implantation is facilitated to reset, as long as singlehanded can reach fast and effeciently is implanted into or takes out, quite convenient on clinical manipulation, progress.
Description
Technical field
The present invention relates to a kind of skull bone anchoring device and its operation tools, no matter can on implantation or taking-up clinical manipulation
Reach simple fast and effectively skull bone anchoring device and its operation tool.
Background technology
By taking skull bone anchoring device as an example, as TaiWan, China announces I321463 " fixing device of cranium " patent of invention
Preceding case includes a bushing, and there is a siphunculus, a flange to be set to one end of the siphunculus, and a bottom plate is set to the other end of the siphunculus,
And one perforation be set to the bottom plate；There is one bolt a head and the whole body portion to be extended by the head and be arranged in the lining
The perforation of set；And a nut, it is to be screwed together in the body portion of the bolt and in the siphunculus of the bushing.
Though fixing device above-mentioned can reach positioning cranium and can protect the head of sufferer, while reusable work(
Effect, so because the bushing, a bolt and a nut are separation independent component, it is necessary to sequentially be clamped and could be implanted by clamping device
Clamping device will first be put down after positioning, especially bolt implantation, then by skull reduction, then by clamping device by bushing nut sequentially
Implantation, is caused outside the suitable inconvenience of clinical implant procedure, again must be by coordinating another turn work after the positioning of each element
Has the clip nut top
Groove is held, could rotate the nut and screwed togather with stud and move down, and bushing and bolt head generation is driven to be clamped
The cranium is firmly fixed on the head by strength, causes that each element implantation positioning one clamping device of needs is clamped, and is revolved
Change again when dynamic packing and hold by another rotating tool, no matter implantation or taking out and must all coordinate two kinds of tools, it is of high cost and
It is also quite complicated not convenient in clinical manipulation program.
The fixing device is mainly using nut top plural number groove for the corresponding convex block clip of operation tool again, with rotation
Nut screws togather with stud and drives bushing pushing clamping, so corresponding with nut top periphery recessed merely with lower end because of operation tool
Male structure clip, clip fastness is bad, easily causes operation tool and cap rotation is driven to have disengaging often, it is necessary to repeat
Clip positions, also quite not convenient in operation.
Furthermore its intracerebral tends to have ponding generation after the underwent operative of head, arranged if can not efficiently and effectively drain intracerebral tissue fluid
Go out, easily causes the excessive cerebral swelling compressing of ponding and occur, right above-mentioned fixing device has no flow guiding structure, causes doctor must be on side
Side drills to be inserted into for drainage tube again and drain, and relative increase surgical procedure is quite not convenient.
In view of this, the present inventor is positive effort research, through test of many times and improvement, develops finally really and have practical work(
The present invention of effect.
Therefore, main purpose of the present invention provides a kind of effective simplified element assembling steps, is completed admittedly with reaching simple and fast
Determine device with it is more convenient on operation tool assembly operation.
Time purpose of the present invention, as long as being to provide the single operation tool of one kind and one-handed performance single element
It completes implantation or takes out, effectively simplify procedures, no matter all quite simple rapid convenient in implantation or taking-up operation
A further object of the present invention is to provide a kind of skull bone anchoring device with drainage effect and its work of performing the operation
Tool.
Invention content
To reach above-mentioned purpose and effect, the technological means that the present invention is adopted include：A kind of skull bone fixation dress is provided
It sets, includes at least：
Once forcing piece and a movable buckle assembly, the lower forcing piece is with one first base portion, one with externally threaded stud
And first engaging portion inside stud；The activity buckle assembly includes at least forcing piece and a nut on one, packing on this
Part has one second base portion and a fitting portion, which is internally provided with one first pivot portion, in the screw cap imbedded fitting portion, has
The externally threaded internal thread of stud is screwed togather, the upper end is equipped with one first positioning region, which is equipped with one and forcing piece on this
The first pivot portion pivot knot the second pivot portion, make the nut with this on forcing piece formed movable button group.
It holds, which has a drainage channel being inserted into for drainage tube.
It holds, which is internal thread.
It holds, which is a lantern ring, the recess portion of perforation is equipped with a bottom, the first pivot portion is by recess portion inner surface
It is recessed at a catching groove, which is a bulge loop for being caught in pivot knot in the first pivot portion catching groove.
The present invention separately provides a kind of operation tool, includes at least：
Guide bar and an outer sleeve in one, the interior guide bar lower end are equipped with one second engaging portion, and upper end is located at one holds
The third engaging portion below portion is held, which has the guide hole worn for interior guide bar, and is set in guide hole inner upper end
There is the 4th engaging portion combined with the interior guide bar third engaging portion, makes outer sleeve with interior guide bar with third engaging portion and the 4th
When engaging portion combines positioning, have configuration at regular intervals between the outer sleeve and the second engaging portion of the interior guide bar lower end, it should
Outer sleeve lower end is equipped with one second positioning region.
It holds, the second engaging portion and third engaging portion are the different external screw thread of hand of spiral, which is the right side
External screw thread is revolved, which is sinistral external thread, and the 4th engaging portion is that correspondence screws togather the third engaging portion external screw thread spiral shell
The levogyrate inner thread of conjunction.
It holds, which can be the adapter section of any non-positive round shape, which is corresponding third knot
The recessed locating slot in outer sleeve top of conjunction portion shape, the third engaging portion have identical but non-any positive round with the 4th knot
Shape, so that third engaging portion can be interlocked with the mutual clip in the 4th engaging portion.
In this way, forcing piece and the single movable buckle assembly of nut pivot system pivot composition, convenient entire movable buckle assembly in the present invention
It is positioned with outer sleeve clip, and outer sleeve combines when positioning interior guide bar upper end, enables the activity buckle assembly again can be with head appearance
Mask configuration at regular intervals facilitates cranium implantation to reset, and implanting instrument only needs single operation tool, and on interior guide bar
Lower end design is in reverse thread, makes only to be hold by one hand single element outer sleeve when operation along rotating backward and upper and lower displacement, you can
Reach implantation installation or take out and operate the good benefit of rapider convenient utility, at the deficiencies in the prior art.
To enable your juror to further appreciate that the structure of the present invention, feature and other purposes, it is hereby accompanied by preferable implementation
The schema of example is described in detail as after.
Description of the drawings
The decomposition diagram of Fig. 1 present invention.
The movable buckle assembly diagrammatic cross-section of Fig. 2 present invention.
Fig. 3 fixing devices of the present invention and operation tool combination diagram.
Fig. 4 fixing devices of the present invention and operation tool combine stereoscopic schematic diagram.
Perspective operational schematic diagram in Fig. 5 Fig. 4 implantation sphenotresias of the present invention.
Fig. 6 Fig. 5 craniums implantation of the present invention resets rotary sleeve cylinder and moves down operation chart.
The continuous outer sleeves that turn of Fig. 7 Fig. 6 of the present invention drive nut and upper forcing piece to move down the clamping operation chart of packing.
Fig. 8 Fig. 7 outer sleeves of the present invention, which move up to screw togather with interior guide bar, subsequently turns long guide bar from stud taking-up operation signal
Figure.
The stereoscopic schematic diagram that the whole branch operation tools of Fig. 9 Fig. 8 of the present invention take out.
Third and fourth engaging portion of Figure 10 present invention combines one schematic diagram of another embodiment.
Third and fourth engaging portion of Figure 11 present invention combines two schematic diagram of another embodiment.
The schematic diagram of Figure 12 present invention combination drainage tubes.
Forcing piece and lower forcing piece combine another embodiment schematic diagram in Figure 13 present invention.
The schematic diagram of Figure 14 Figure 13 combinations drainage tubes of the present invention.
Figure 15 drainage tubes of the present invention wear the schematic diagram of interior guide bar.
The stereogram of Figure 16 drainage tube merging slit limits of the present invention.
The floor map of Figure 17 Figure 16 of the present invention.
Reference sign：A skull bone anchoring devices；B operation tools；10 times forcing pieces；11 first base portions；12 studs；
13 first engaging portions；111,311 slit；112 first petals；113 second notches；114,314 opening；115,315 limit hole；
121 outer sections；131 through holes；20 movable buckle assemblies；Forcing piece on 30；31 second base portions；312 second petals；313 first lack
Mouthful；32 fitting portions；321 first pivot portions；322 recess portions；323 perforation；Section in 324；40 nuts；41 second pivot portions；42 first is fixed
Position portion；Guide bar in 50；51 second engaging portions；52, the grip parts 52A；53,53A thirds engaging portion；54 hollow channels；60 housings
Cylinder；61 guide holes；62, the 4th engaging portions 62A；63 second positioning regions；70 skulls；71 drillings；711 shrinkage pools；72 craniums；X mono-
Determining deviation；Y1, Y2, Y3 drainage channel；80 drainage tubes.
Specific implementation mode
As shown in Figures 1 to 4, it is skull bone anchoring device A and its operation tool B of the present invention；Wherein,
Skull bone anchoring device A, includes at least：
Forcing piece 10 once are set to externally threaded stud 12 and one inside stud 12 with one first base portion 11, one
The first engaging portion 13；First base portion 11 is plate or plate-like, and setting tool is cutd open in disk outer peripheral edge interval with plural slit 111 plural number
First petal 112, its thickness system of the first petal of plural number 112 make easily to be embedded in cranium head 70 and cranium towards outer peripheral edge gradually fasciculus gracilis knot
72 is securely clamping；First engaging portion 13 is internal thread；And
One movable buckle assembly 20, include at least on one forcing piece 30 and one can with the nut 40 of 12 external thread spiro fastening of stud,
Forcing piece 30 has one second base portion 31 and a fitting portion 32 on this, which is internally provided with one first pivot portion 321, this
Two base portions 31 are plate or plate-like, and plural second petal 312 of setting tool is cutd open in disk outer peripheral edge interval with plural slit 311, the plural number the
Two its thickness of petal 312 make easily to be embedded in cranium head 70 and cranium 72 are securely clamping towards outer peripheral edge gradually fasciculus gracilis knot；The fitting portion 32 is
One lantern ring, the recess portion 322 of perforation is equipped with a bottom, and the first pivot portion 321 is recessed at a catching groove by 322 inner surface of recess portion；
The nut 40 is placed in the recess portion 322 in fitting portion 32, which is with 12 externally threaded internal thread of stud is screwed togather, thereon
End is equipped with one first positioning region 42, which coordinates operation tool B to combine, preferably, first positioning region 42 is
It is set in 12 upper end periphery ring of nut concavo-convex or in at least recessed two shrinkage pools structure (not drawing) in lower face, 40 outer surface of nut
The second pivot portion 41 equipped with one Yu the 321 pivot knot of the first pivot portion of upper forcing piece 30, in this example, which is one to be caught in
The bulge loop of pivot knot in first pivot portion, 321 catching groove makes nut 40 form movable button group with upper forcing piece 30, as shown in Figure 2.
Operation tool B, includes at least：
Guide bar 50 in one, lower end are equipped with second knot for combining the first engaging portion 13 of 12 inside of fixing device A studs
Conjunction portion 51, second engaging portion 51 be screw togather 13 internal thread of the first engaging portion 0 external screw thread or the first engaging portion 13 be inside lead
Draw 50 lower end projection of bar, one locating convex block, and the second engaging portion 51 is opposite equipped with a combination with L-shaped locating slot in stud 12
Rotational positioning (not drawing) is inserted into hole for it, which has a grip part 522, is located at 52 lower section tool of grip part
There is a third engaging portion 53, preferably, the third engaging portion 53 is external screw thread；And
One outer sleeve 60, has a guide hole 61 worn for interior guide bar 50, and 61 inner upper end of guide hole be equipped with
The 4th engaging portion 62 that the 50 third engaging portion 53 of interior guide bar combines makes the outer sleeve 60 combine and is positioned at the interior guide bar
50, have X at regular intervals between the outer sleeve 60 and 50 second engaging portion 51 of interior guide bar to enable, the 4th engaging portion 62 is
It is corresponding to screw togather the 53 externally threaded internal thread of third engaging portion, the hand of spiral of second engaging portion 51 and third engaging portion 53 and
The hand of spiral of 4th engaging portion 62 is different, preferably, second engaging portion 51 is right-handed thread, the third engaging portion 53 and the
Four engaging portions 62 are then left hand thread, which is equipped with one second positioning region 63, which is outside
60 lower end periphery of sleeve is equipped with the concavo-convex convex-concave shape in corresponding first positioning region 42 and interlocks nut 40 with clip, or in outer sleeve
Two pillars of corresponding first positioning region, 42 recessed two shrinkage pool of 60 lower faces protrusion interlock nut 40 (not drawing) with clip.
0, Figure 11, third engaging portion and the 4th another embodiment schematic diagram in engaging portion are please referred to Fig.1, in the present embodiment
In, the third engaging portion 53A of the interior guide bar 50 can be the adapter section of any non-positive round shape, the 4th knot of the outer sleeve 60
Conjunction portion 62A is the recessed locating slot in 60 top of outer sleeve of corresponding third engaging portion 53A shapes, be as shown in the figure linear type or
Rectangle, i.e. the third engaging portion 53A have identical but non-any positive round shape with the 4th knot 62A, so that third engaging portion
53A can be interlocked with the mutual clips of the 4th engaging portion 62A, but grip part 52A can identical third engaging portion shape, and the third knot
Conjunction portion 53A can directly be extended by grip part 52A.
It please refers to Fig.4 shown in-Fig. 9, skull bone anchoring device A of the present invention illustrates with operation tool B assemblings and implant procedure
Figure, in the present embodiment, as long as shown in figure 4, interior guide bar 50 is worn outer sleeve 60 and movable buckle assembly 20, and by lower end the
Two engaging portions 51 are screwed togather with the first engaging portion 13 in stud 12, and the outer sleeve 60 is screwed together in interior lead by the 4th engaging portion 62 of upper end
Draw the positioning of 50 upper end third engaging portion 53 of bar, and movable buckle assembly 20 is by under 42 outer sleeve 60 of the first positioning region of 40 upper end of nut
The 63 mutual clip positioning of the second positioning region is held, fixing device A and operation tool B connection positioning is made to form an entire combination part；
As shown in Figure 5, you can the convenient drilling 71 that fixing device A and operation tool B is directly implanted into skull 70 together simultaneously
It sets, and as shown in fig. 6, have X at regular intervals between 50 second engaging portion 51 of the short jacket casing 60 and interior guide bar, makes housing enough
When 60 combining movement buckle assembly 20 of cylinder, the activity buckle assembly 20 and skull can also keep certain distance to configure between 70 outer surface,
The lid knot of cranium 72 is facilitated to reset；Again as shown in Figure 6, Figure 7, the rotation of outer sleeve 60 is moved down into utilization again after the skull head 72 lid closes
The second positioning region of lower end 63 is interlocked with 40 first positioning region of nut, 42 clip, to drive nut 60 and stud by turn outer sleeve 60
12 screw togather and move down, and forcing piece 30 in packing can be driven to generate gripping strength with lower forcing piece 10, effectively that cranium 72 is steady
Gu clamping be positioned on skull 70, and as shown in figure 8, moving up outer sleeve 60 to rotate backward again makes the 4th engaging portion 62 be led with interior
The third engaging portion 53 for drawing bar 50 screws togather, and the second engaging portion of 50 lower end of interior guide bar 51 can be unscrewed disengaging and screw togather spiral shell by continuous turn
12 first engaging portion of column, 13 inner bolt hole moves up, you can quickly takes out operation tool B self-retaining devices A, as shown in Figure 9；Conversely,
If fixing device A or cranium 72 will take out, as long as reverse operating can take out fixing device A from skull 70, the present invention
No matter all very fast facility in operation is taken out in implantation.
Skull bone anchoring device A and operation tool B provided by the present invention, when being compared to each other with other prior arts,
Advantage is as follows：
1, nut 40 and upper forcing piece 30 of the present invention are one movable buckle assembly 20 of pivot composition, opposite to simplify element assembling journey
Sequence, and fixing device A and operation tool B are first connected to an entire combination part, do not need any tool, it is convenient directly to be filled fixed
It sets A and the entire sub-assemblies of operation tool B is implanted into together, it is quite easy to be quick on opposite implant procedure, it must profit to exclude habit formula
With clamped tool by fixing device detach each element one by one clamping implant procedure inconvenience the shortcomings that.
2, when outer sleeve 60 of the present invention screws togather 50 upper end of guide bar in positioning, short jacket casing 60 and 50 second knot of interior guide bar
Has X at regular intervals between conjunction portion 51, and the nut 40 and upper forcing piece 30 are one movable buckle assembly 20 of pivot composition, make entire work
Dynamic buckle assembly 20 can be combined positioning with outer sleeve 60, and a determining deviation X allows the activity buckle assembly 20 and skull with sufficient space
Certain distance configuration is maintained between 70 outer surfaces, and the implantation of cranium 72 is facilitated to reset.
3, the second positioning region 51 of 50 lower end of guide bar and upper end third positioning region 53 are reverse thread configurations in the present invention,
As long as therefore the single outer sleeve of singlehanded turn displacement 60 when packing, you can by upper forcing piece 30 and 10 packing of the lower forcing piece cranium
72 and the skull 70 securely clamping positioning；When operation tool B will take out again, it can oneself as long as outer sleeve 60 is moved up and is rotated backward
Fixing device A takes out, if the present invention be hold by one hand 60 single element of outer sleeve operation may achieve fixing device A packings and
The convenience that operation tool B quickly smoothly takes out；If fixing device A will take out again, as long as reverse operating may achieve；No matter
Implantation installation is taken out in operation, as long as the single operation tool of the present invention and single-hand handling & takes single element to may achieve, clinic behaviour
It is quite rapid convenient on work, it must be clamped with excluding habit formula, the different operation tools of two kinds of packing, of high cost and trivial operations are inconvenient
The disadvantage of profit.
4, outer sleeve 60 of the present invention is in addition to the first positioning region 42 clip positioning for having the second positioning region of lower end 63 and nut 40,
Because the outer sleeve 60 is arranged on the guide hole 61 of the interior guide bar 50, more there is the support guiding of interior guide bar 60, it is opposite to improve housing
Cylinder 60 rotates stability, and without the misgivings to fall off, the not convenient of clip positioning is easily detached from again with nut 40 to exclude outer sleeve 60
Property.
5, the present invention can rely on a rotary nut 40 when upper forcing piece lid bench drill hole 71 and packing to be screwed togather with stud 12, again
It is avoided that 30 turn of forcing piece injures 72 outer surface of head 70 and cranium, and then reaches positioning cranium and sufferer can be protected
Head, while reusable effect.
Please continue ginseng Figure 12 shown in, fixing device A of the present invention be equipped with a drainage channel Y1, drainage channel Y1 by this first
The internal thread connecting of engaging portion 13 is through to the first base portion 11 and forms pass through aperture 131, so that a drainage tube 80 is inserted into drainage brain
Inner tissue's liquid avoids the excessive cerebral swelling compressing of ponding from occurring.
As shown in 13 figures, Figure 14, fixing device A is equipped with another embodiment of drainage channel, and fixing device A can be installed
In 71 positions of the drilling of head 70, drainage channel Y2 is that plural first petal 312 of forcing piece 30 and lower forcing piece 10 are multiple on this
Several second petals 112 cut a petal one first notch 313 of formation and one second notch 113 at least corresponding plant, coordinate and compel on this
There is 32 bottom of tight 30 fitting portion of part the perforation 323 of section 324 in one, the stud 12 of the lower forcing piece 10 to correspond to interior section 324
First notch 313 and second notch 113 is enabled to match relatively when making stud 12 with 323 socket of perforation with an outer section 121
It sets, and a shrinkage pool 711 of connection can be provided in opposite first notch 313 of drilling 71 of head 70 and the second notch 113, for
One drainage tube 80 is inserted into drainage intracerebral tissue fluid by the first notch 313, shrinkage pool 711 and the second notch 113 up and down, keeps away
Exempt from the excessive cerebral swelling compressing of ponding to occur.
As shown in figure 15, the present invention further can provide a hollow channel 54 in 50 center of interior guide bar, this is fixed
Device A is equipped with above-mentioned drainage channel Y1, and drainage channel Y1 is through to the by the internal thread connecting of first engaging portion 13
One base portion 11 forms pass through aperture 131, so that the first engaging portion of interior guide bar 50 second engaging portion external screw thread 51 and stud 12
When internal thread 13 screws togather, the hollow channel 54 connection corresponding with drainage channel Y1, so that a drainage tube 80 is inserted into implantation drainage brain
Inner tissue's liquid avoids the excessive cerebral swelling compressing of ponding from occurring.
As shown in Figure 16, Figure 17, fixing device A can be installed on 71 positions of the drilling of head 70, and fixing device A is equipped with one
Drainage channel Y3, drainage channel Y2 are formed opposite up and down by the slit 111,311 of first base portion 11 and second base portion 31
Configuration, so that drainage tube 80 is inserted into, and corresponding slit 111,311 has provided connection one up and down relatively for the drilling 71 of the head 70
Shrinkage pool 711 makes drainage pipeline section when implantation between two slits 111,311 that can be placed in shrinkage pool 711, and drainage tube 80 is enable to drain
Intracerebral tissue fluid avoids the excessive cerebral swelling compressing of ponding from occurring, and those slits 111,311 are in generally a keyhole shape, tool
There is an opening 114,314 and one for being less than drainage tube caliber to be more than the limit hole 115,315 of drainage tube caliber, for drainage tube 80
It is caught in limit.
In conclusion skull bone anchoring device of the present invention and its operation tool can utilize upper forcing piece and nut pivot group really
At single movable buckle assembly, and implanting instrument only needs single operation tool, and it is in reverse thread that interior guide bar designs up and down, makes behaviour
Single element outer sleeve is only held when making along rotating backward and upper and lower displacement, you can reach implantation installation or take out, reach operation
Rapider convenient practicability, is the height utility model in a technical concept, should accord with patent application important document.By above preferable
The detailed description of specific embodiment, it would be desirable to more clearly describe the present invention feature with spirit, and not with it is above-mentioned it is revealed compared with
Good specific embodiment limits scope of the invention.On the contrary, the purpose is to wish to cover various changes and tool phase
Etc. property be arranged in the present invention protection category in.
Claims (15)
1. a kind of skull bone anchoring device, it is characterised in that：Including at least forcing piece once and a movable buckle assembly；The lower packing
Part is set to the first engaging portion inside stud with externally threaded stud and one with one first base portion, one；The activity buckle assembly
Including at least forcing piece and a nut on one, forcing piece has one second base portion and a fitting portion on this, is set inside the fitting portion
There is one first pivot portion, in the screw cap imbedded fitting portion, and with the externally threaded internal thread of stud is screwed together in, which is equipped with
One first positioning region, the nut outer surface are equipped with the second pivot portion of one and the first pivot portion pivot knot of forcing piece on this, make the nut
Movable button group is formed with forcing piece on this.
2. skull bone anchoring device as described in claim 1, it is characterised in that：The fixing device has one to be inserted into for drainage tube
Drainage channel.
3. skull bone anchoring device as described in claim 1, it is characterised in that：First engaging portion is an internal thread.
4. skull bone anchoring device as described in claim 1, it is characterised in that：The fitting portion is a lantern ring, has a bottom
Recess portion equipped with perforation, the first pivot portion is recessed at a catching groove by recess portion inner surface, which is one to be caught in the first pivot portion
Catching groove in formed pivot knot bulge loop.
5. skull bone anchoring device as described in claim 1, it is characterised in that：First positioning region is in nut upper end periphery
Ring is set as concavo-convex or is equipped at least two shrinkage pool structures in end face.
6. skull bone anchoring device as claimed in claim 2, it is characterised in that：First base portion and second base portion be plate or
Discoid, the outer peripheral edge interval of the disk is cutd open with plural slit to be set to form plural first petal and plural second petal, the plural number
The thickness of first petal and second petal of plural number is towards outer peripheral edge gradually fasciculus gracilis knot.
7. skull bone anchoring device as claimed in claim 2, it is characterised in that：The drainage channel by the first engaging portion interior spiral shell
Line runs through stud in succession and the first base portion forms pass through aperture.
8. skull bone anchoring device as claimed in claim 6, it is characterised in that：The fixing device can be installed on head drilling position
Set, the drainage channel by first petal of plural number and plural second petal at least cut one it is petal at corresponding first notch and
Second notch coordinates the fitting portion bottom of forcing piece on this to provide the perforation with interior section, and the stud of the lower forcing piece corresponds to
Inscribe face has an outer section, when stud being made to be socketed with perforation, enables first notch and second notch be oppositely disposed, in the head
The drilling of cranium has provided one shrinkage pool of connection with respect to the first notch and the second notch, plugs and sets for the drainage tube.
9. skull bone anchoring device as claimed in claim 6, it is characterised in that：The fixing device can be installed on head drilling position
It sets, which forms relative configuration up and down by the slit of first base portion and second base portion, so that the drainage tube configures,
In the drilling of the head, corresponding slit has provided one shrinkage pool of connection, drainage when making implantation between two slits up and down relatively
Pipeline section can be placed in the shrinkage pool.
10. skull bone anchoring device as claimed in claim 9, it is characterised in that：The plural number slit is in keyhole shape, is had
One is more than the limit hole of drainage tube caliber less than the opening of drainage tube caliber and one.
11. a kind of operation tool, it is characterised in that：Including at least guide bar and an outer sleeve in one, which sets
There are one second engaging portion, upper end that there is a third engaging portion being located at below grip part, which has wears for interior guide bar
If guide hole, and be equipped with the 4th engaging portion that is combined with the interior guide bar third engaging portion in guide hole inner upper end, make outside
When sleeve is combined positioning with interior guide bar with third engaging portion with the 4th engaging portion, the outer sleeve and the second of interior guide bar lower end
Has configuration at regular intervals between engaging portion, which is equipped with one second positioning region.
12. operation tool as claimed in claim 11, it is characterised in that：Second engaging portion and third engaging portion are hand of spiral
Different external screw threads, i.e. second engaging portion are dextrorotation external screw thread, which is sinistral external thread, the 4th engaging portion
For the corresponding levogyrate inner thread for screwing togather the third engaging portion sinistral external thread and screwing togather.
13. operation tool as claimed in claim 11, it is characterised in that：The third engaging portion is the combination of non-positive round shape
Section, four engaging portion are the recessed locating slots in outer sleeve top of corresponding third engaging portion shape, the third engaging portion with this
Four knots have identical but non-any positive round shape, so that third engaging portion can be interlocked with the mutual clip in the 4th engaging portion.
14. operation tool as claimed in claim 11, it is characterised in that：Second positioning region is in outer sleeve lower end periphery ring
It is set as convex-concave shape or protrusion at least two convex cylinders.
15. the operation tool as described in any one of claim 11 to 14, it is characterised in that：The interior guide bar center has provided
One is inserted into the hollow channel of configuration for drainage tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710255963.XA CN108720917B (en) | 2017-04-18 | 2017-04-18 | Skull fixing device and surgical tool thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710255963.XA CN108720917B (en) | 2017-04-18 | 2017-04-18 | Skull fixing device and surgical tool thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN108720917A true CN108720917A (en) | 2018-11-02 |
| CN108720917B CN108720917B (en) | 2021-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710255963.XA Active CN108720917B (en) | 2017-04-18 | 2017-04-18 | Skull fixing device and surgical tool thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109528279A (en) * | 2018-11-18 | 2019-03-29 | 赵建磊 | A kind of skull suitable for neurosurgery clinic breaks prosthetic device |
| CN112336409A (en) * | 2019-08-07 | 2021-02-09 | 合硕生技股份有限公司 | Bone drilling cover fixing device |
| CN112754631A (en) * | 2021-01-19 | 2021-05-07 | 中南大学湘雅医院 | Occipital neck fuses occipital bone fixed subassembly |
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| CN109528279A (en) * | 2018-11-18 | 2019-03-29 | 赵建磊 | A kind of skull suitable for neurosurgery clinic breaks prosthetic device |
| CN112336409A (en) * | 2019-08-07 | 2021-02-09 | 合硕生技股份有限公司 | Bone drilling cover fixing device |
| CN112336409B (en) * | 2019-08-07 | 2022-04-08 | 合硕生技股份有限公司 | Bone drilling cover fixing device |
| CN112754631A (en) * | 2021-01-19 | 2021-05-07 | 中南大学湘雅医院 | Occipital neck fuses occipital bone fixed subassembly |
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