CN108325071A - A kind of medical instrument fixing device - Google Patents
A kind of medical instrument fixing device Download PDFInfo
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- CN108325071A CN108325071A CN201810361278.XA CN201810361278A CN108325071A CN 108325071 A CN108325071 A CN 108325071A CN 201810361278 A CN201810361278 A CN 201810361278A CN 108325071 A CN108325071 A CN 108325071A
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- Prior art keywords
- hole
- nail
- skull
- hand
- armlet
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Links
- 210000000988 bone and bone Anatomy 0.000 claims abstract description 83
- 210000003625 skull Anatomy 0.000 claims abstract description 65
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 56
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 230000007246 mechanism Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 11
- 210000004556 brain Anatomy 0.000 abstract description 7
- 230000003902 lesion Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 3
- 239000007943 implant Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910052719 titanium Inorganic materials 0.000 description 3
- 239000010936 titanium Substances 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 210000005036 nerve Anatomy 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005424 photoluminescence Methods 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 230000004936 stimulating effect Effects 0.000 description 1
- 230000033772 system development Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/02—Details
- A61N1/04—Electrodes
- A61N1/05—Electrodes for implantation or insertion into the body, e.g. heart electrode
- A61N1/0526—Head electrodes
- A61N1/0529—Electrodes for brain stimulation
- A61N1/0534—Electrodes for deep brain stimulation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/02—Details
- A61N1/04—Electrodes
- A61N1/05—Electrodes for implantation or insertion into the body, e.g. heart electrode
- A61N1/0526—Head electrodes
- A61N1/0529—Electrodes for brain stimulation
- A61N1/0539—Anchoring of brain electrode systems, e.g. within burr hole
Landscapes
- Health & Medical Sciences (AREA)
- Neurology (AREA)
- Neurosurgery (AREA)
- Psychology (AREA)
- Cardiology (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Life Sciences & Earth Sciences (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 medical instrument fixing devices, including：To be placed on the bone hole pedestal in the bone hole of skull；The bone hole pedestal is equipped with along its axial through-hole, and the both sides of the bone hole pedestal are equipped with nail hole；Base handle；Including the hand-held ontology being in the form of a column, and positioned at the bottom end of the hand-held ontology being clamped the buckle of the through-hole, the both sides of the hand-held ontology are equipped with to place the armlet of skull nail, and any armlet is located above a nail hole, to realize that the nail of the skull in the armlet can be threaded into the nail hole.Above-mentioned medical instrument fixing device can fix the success rate that link improves lesions located in deep brain operation in electrode, improve surgical effect.
Description
Technical field
The present invention relates to Implanted medical system technical field, more particularly to a kind of medical instrument fixing device.
Background technology
Lesions located in deep brain system belongs to implantable nerve stimulating system one kind, and main includes the pulse generation to implant
Device, electrode and external control device.Electrode is connected with impulse generator, and the pulse that impulse generator generates is passed to
Specific nerve position generates electro photoluminescence, to restore the normal function of human body of corresponding site.Patient performed the operation in implant electrode
Cheng Zhong, doctor determines the target position of patient's brain by 3 D stereo positioning device first, according to target position suitable
Bone hole is outputed at skull position, and electrode wires are inserted into corresponding target position by bone hole tests, the ideal situation of effect
Under electrode will be fixed on this position with electrode fixing device.With lesions located in deep brain System Development, to planting in operation
The positioning accuracy request for entering brain electrode is higher and higher, and better position precision can improve surgical effect and aftertreatment effect
Stability.
In the lesions located in deep brain electrode implant surgery of early stage, the easy fixing device of generally use fixes electrode, with one
Electrode wires are extruded in the slot of base side wall by the bone hole lid of a silica gel, are played the role of fixed；Or titanium is used above bone hole
The fixed a piece of titanium plate of nail, electrode is bundled in sutures in titanium plate.Although these common practices can play fixed electrode
Effect, but the displacement laterally or vertically that electrode can be caused larger in fixation procedure influences surgical effect, or performing the operation
Electrode still has the space moved in skull in a period of time afterwards, and postoperative effect over time is caused to be deteriorated.
Invention content
For above-mentioned technical problem in the prior art, the object of the present invention is to provide a kind of medical instrument fixing device,
It may be implemented to be accurately positioned.
To achieve the above object, the present invention provides a kind of medical instrument fixing device, including：
To be placed on the bone hole pedestal in the bone hole of skull；The bone hole pedestal is equipped with along its axial through-hole, and
The both sides of the bone hole pedestal are equipped with nail hole；
Base handle；It is described to be clamped including the hand-held ontology being in the form of a column, and positioned at the bottom end of the hand-held ontology
The buckle of through-hole, the both sides of the hand-held ontology are equipped with to place the armlet of skull nail, and any armlet is located at one
Above a nail hole, to realize that the nail of the skull in the armlet can be threaded into the nail hole.
Preferably, the armlet has by the putting hole of the upper tapered setting under, and the madial wall of the putting hole has
Elasticity；When to downward coupling mechanism force is applied positioned at the putting hole mesocrany nail, the putting hole can open, to realize cranium
Nail moves downward.
Preferably, the top of the putting hole is additionally provided with anti-is disengaged from the groove with what is fallen off to avoid skull nail.
Preferably, the axis of two putting holes inclines on from lower direction close to the axis direction of the hand-held ontology
Tiltedly.
Preferably, the putting hole further includes being located at the anti-nail slot for being disengaged from the groove lower section and inner wall smooth.
Preferably, the base handle includes two handle half-shells that can be engaged by clamping, and two handle half-shells are matched
The base handle is formed after conjunction；Wherein, each described handle half-shell all has hand-held ontology half-shell and two armlets half
Shell.
Preferably, the hand-held ontology half-shell is in cavity structure, and the both sides of the edge of the hand-held ontology half-shell are set respectively
There are public buckle and master card button, the public buckle and the master card button that can mutually be engaged by clamping；The medial roof of the cavity structure
Portion has the stop bit bone radially extended；Distinguish positioned at the outside of the difference armlet half-shell of the same hand-held ontology half-shell
Equipped with the different fastener in upper and lower position；
When the two hand-held ontology half-shells are engaged by clamping, the two stop bit bones are radially bonded, upper and lower position it is different two
The fastener is mutually clamped up and down, and the public buckle and the master card button are mutually engaged by clamping, and form the base handle.
Preferably,
The public buckle is set on the inside of the cavity structure comprising groove and set on the groove and along the hand
Hold the fastener that the axis direction of ontology extends；
The master card button includes the elongated end extended to the groove direction and is connected with the elongated end, can extend into
The groove and the embedded part being mutually clamped with the fastener.
Preferably, the bottom surface of the bone hole pedestal is in arcuation, to increase the fitting area with skull surface.
Preferably, the upper surface of the bone hole pedestal is additionally provided with two deformation slots, and the two deformation slots are located at described
The both sides of through-hole, to adjust the bottom surface radian of the bone hole pedestal.
Preferably, the sidewall bottom of the hand-held ontology have can flexible deformation, to be connected in the elasticity of the through-hole
Wall, and any elastic wall is set there are one the buckle.
Preferably, multiple elastic walls are distributed in the bottom of the hand-held ontology, and any elastic wall in petaloid
Both sides all have the deformation slot for extending axially upward and being mutually parallel along the hand-held ontology, to realize any bullet
The flexible deformation of property wall.
Preferably, all the elastic wall constitutes the elastic wall group of at least two groups diametrically, and the different elastic walls
The diameter of circumference is different where group, to coordinate various sizes of bone hole.
Preferably, the bone hole pedestal is equipped with along the circumferentially distributed limiting slot of the through-hole, at least one elastic wall
Equipped with the positioning bone that scarf closes can be inserted with the limiting slot, turn relative to the bone hole pedestal to limit the base handle
It is dynamic.
Relative to above-mentioned background technology, medical instrument fixing device provided by the invention utilizes the buckle card of base handle
The through-hole of synthetism hole pedestal, and then realize the connection of base handle and bone hole pedestal, bone hole bottom is controlled by hand-held base handle
The placement location of seat, and then reduce influence to surgical effect, electrode fix link improve lesions located in deep brain operation at
Power improves surgical effect.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
The schematic diagram of the medical instrument fixing device that Fig. 1 is provided by the embodiment of the present invention in use；
Fig. 2 is the structural schematic diagram of the base handle in Fig. 1；
Fig. 3 is the structural schematic diagram of the handle half-shell of base handle in Fig. 2；
Fig. 4 is the structural schematic diagram when medical instrument fixing device in Fig. 1 coordinates with bone hole；
Fig. 5 is the structural schematic diagram of another angle of Fig. 4；
Fig. 6 is the close-up schematic view at the positions A in Fig. 5.
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, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In order to make those skilled in the art more fully understand the present invention program, below in conjunction with the accompanying drawings and it is embodied
The present invention is described in further detail for mode.
It please refers to Fig.1 to Fig. 6, the medical instrument fixing device that Fig. 1 is provided by the embodiment of the present invention is in use
Schematic diagram；Fig. 2 is the structural schematic diagram of the base handle in Fig. 1；Fig. 3 is the structure of the handle half-shell of base handle in Fig. 2
Schematic diagram；Fig. 4 is the structural schematic diagram when medical instrument fixing device in Fig. 1 coordinates with bone hole；Fig. 5 is another angle of Fig. 4
The structural schematic diagram of degree；Fig. 6 is the close-up schematic view at the positions A in Fig. 5.
A kind of medical instrument fixing device provided by the invention includes mainly bone hole pedestal 1 and base handle 2, such as explanation
Shown in book attached drawing 1 and attached drawing 2.Bone hole pedestal 1 and base handle 2 are used cooperatively, and bone hole pedestal 1 is fixed on skull to realize
400。
Wherein, bone hole pedestal 1 is for being placed in the bone hole 410 of skull 400, such as Figure of description 4 and 5 institute of attached drawing
Show.Bone hole pedestal 1 is in the form of annular discs, and the axial through-hole 11 having through its upper and lower end face, the both sides of bone hole pedestal 1 are respectively equipped with nail
Hole 10.
Base handle 2 includes the hand-held ontology 21 being in the form of a column, and holds ontology 21 and is arranged from lower flaring on, is located at and holds this
The bottom end of body 21 is equipped with buckle 210, and buckle 210 is raised outward relative to the surface of hand-held ontology 21, to be clamped bone hole bottom
The through-hole 11 of seat 1；That is, when buckle 210 is connected in through-hole 11, bone hole pedestal 1 is temporarily fixed to the bottom of base handle 2
End is grasped with hand and holds ontology 21, you can completes the positioning to bone hole pedestal 1.
The both sides of hand-held ontology 21 are equipped with armlet 22, and two armlets 22 are symmetrically disposed on the axis two of hand-held ontology 21
Side；Armlet 22 can be placed with skull nail 4；In use, using 210 clamping through-hole 11 of buckle, bone hole pedestal 1 and bottom are realized
The fixation of seat handle 2, and a skull nail 4 is put into each armlet 22；Made by grasping simultaneously mobile base handle 2
Bone hole pedestal 1 is placed on appropriate location, which can be：Through-hole 11 is located in 410 range of bone hole, and nail hole 10 is located at bone
Except 410 range of hole, and the both sides in bone hole 410.Each at this time skull nail 4 is located exactly at the top of each nail hole,
Skull can be followed closely 4 on from lower screw-in nail hole 10 using corresponding tool, and realize and bone hole pedestal 1 is fixed on skull 400
Operation.
Skull nail 4 is positioned over armlet 22 in order to realize, each armlet 22 is equipped with putting hole 221, Mei Yifang by the present invention
Hole 221 is set by the upper tapered setting under, and the madial wall of putting hole 221 has elasticity；It is put when a skull nail 4 is positioned over one
When setting in hole 221, in view of skull nail 4 ailhead section it is larger, and skull nail 4 nail body by it is upper under it is tapered, therefore only weight
When under force effect, skull nail 4 can be placed in putting hole 221, and position is constant；And when skull nail 4 by under
When external force (can be to screw power), then during moving downward, the madial wall of putting hole 221 is softened skull nail 4 so that
Skull follows closely 4 on from lower movement, and then completes the operation that bone hole pedestal 1 is fixed on to skull 400.
For the specific set-up mode of putting hole 221, it can also be equipped on the top of putting hole 221 and prevent being disengaged from the groove 222, such as said
Shown in bright book attached drawing 6；Anti- to be disengaged from the groove 222 annularly, upper and lower ends are relatively narrow, and wide middle, when skull follows closely 4 on from lower placement
When in putting hole 221, the nail body of skull nail 4, which can pass through, prevents being disengaged from the groove 222, and the lower face that skull follows closely 4 ailheads needs to overcome
It is anti-to be disengaged from the groove resistance caused by 222 upper end narrower parts, prevent being disengaged from the groove in 222 so that the ailhead of skull nail 4 is located at, prevent at this time
It is disengaged from the groove 222 madial wall and the ailhead of skull nail 4 offsets, and prevent that the upper and lower ends for being disengaged from the groove 222 limit skull and follow closely 4 ailheads respectively
It moves up and down, skull nail 4 is avoided to fall off relative to putting hole 221.
In addition to this, putting hole 221 is also provided with positioned at the anti-nail slot 223 for being disengaged from the groove 222 lower sections, that is, each put
Set hole 221 can by it is anti-be disengaged from the groove 222 and nail slot 223 constitute, the inner wall smooth of nail slot 223, and by the upper tapered setting under；
It can be seen from the above, anti-be disengaged from the groove 222 to place the ailhead of skull nail 4, and nail slot 223 is used to accommodate the nail body of skull nail 4；When
Skull nail 4 is positioned over putting hole 221 and skull nail 4 is not when under by outer force effect, and the end nail tip of skull nail 4, which is located at, places
221 outside of hole, namely in the lower section of putting hole 221；In view of the inner wall smooth of nail slot 223, when the ailhead of skull nail 4 is downward
When moving across nail slot 223, then the resistance of the nail slot 223 suffered by 4 ailheads of skull nail is smaller, can open nail easily
Slot 223, without providing larger external force to skull nail 4.
In order to further ensure that bone hole pedestal 1 is fixed reliably relative to skull 400, the present invention can be with for putting hole 221
Using following set-up mode：The axis vertical of hand-held ontology 21 can be arranged, and the axis inclination of two putting holes 221 is set
It sets, is not vertically arranged.And the axis of putting hole 221 tilts on from lower direction close to the axis direction of hand-held ontology 21,
So that the skull nail 4 being placed in putting hole 221 has certain angle of inclination, not remains and fasten bone hole straight down
Pedestal 1；So set, can make skull nail 4 approximately perpendicular to the cambered surface of skull 400, fixation is relatively reliable, and fitting more steps up
It is close, as shown in Figure of description 4 to attached drawing 6.
It certainly, can also be by the bottom surface of bone hole pedestal 1 in order to realize that bone hole pedestal 1 can be reliable with the fixation of skull 400
Setting is in arcuation, to increase the fitting area with skull surface.In addition to this, in order to improve the widely applicable property of bone hole pedestal 1,
The upper surface of bone hole pedestal 1 is additionally provided with two deformation slots 12, as shown in Figure of description 1；Two deformation slots 12 are located at logical
The both sides in hole 11, to adjust the bottom surface radian of bone hole pedestal 1.In use, if the radian of skull 400 is larger, then
Bone hole pedestal 1 can suitably be bent on the basis of deforming slot 12, it is ensured that the bottom surface of bone hole pedestal 1 is in certain radian, with
Fit in the surface of skull 400.
For the specific set-up mode of base handle 2, the mode shape of two handle half-shells 20 clamping may be used in the present invention
At；Namely base handle 2 includes two handle half-shells 20, two handle half-shells 20 can mutually be engaged by clamping, and be engaged by clamping
Base handle 2 is formed afterwards, as shown in Figure of description 2 and attached drawing 3.Each handle half-shell 20 all has hand-held ontology half-shell 23
With two armlet half-shells 24, two armlet half-shells 24 are located at the both sides of hand-held ontology half-shell 23.
For the concrete shape construction of each handle half-shell 20, as shown in Figure of description 3；Each hand-held ontology half
Shell 23 is in cavity structure, and lateral wall is in semi-cylindrical；The left side edge of hand-held ontology half-shell 23 has public buckle 231, public affairs card
The number of button 231, which can be the right side edge that ontology half-shell 23 is held two shown in attached drawing 3, has master card button 232, master card button
232 number equally can be two shown in attached drawing 3；Certainly, the number of public buckle 231 and master card button 232 can also be it
He, as long as two keep quantity consistent.
There is the inside top of the cavity structure of hand-held ontology half-shell 23 stop bit bone 233, stop bit bone 233 to radially extend,
It stretches out in except cavity structure；Armlet half-shell 24 positioned at 23 left side of hand-held ontology half-shell has fastener 241, the fastener
241 are located at lower section；Armlet half-shell 24 positioned at the right side of hand-held ontology half-shell 23 equally has a fastener 241, and the fastener 241
It is located above.
In mounting seat handle 2, two handle half-shells 20 cooperate, and are located at the public buckle of different handle half-shells 20
231 and master card button 232 be mutually clamped, realize the side wall clamping of two handle half-shells 20；At the same time, two different handle half-shells
20 stop bit bone 233 is bonded radially, it is ensured that the top clamping of two handle half-shells 20 is reliable；Positioned at different handle half-shells 20
Two fasteners 241 up and down offset in the axial direction, to formed two armlet half-shells 24；So set, two handle half-shells
20 are respectively provided with the component that can be mutually clamped in different location, so that 2 structure of base handle after installation is reliable, two hands
Handle half-shell 20 is not easy to thread off, and significantly improves the structural strength of base handle 2.
For two fasteners 241 up and down of same armlet 22, upper and lower two fasteners 241 are belonging respectively to different armlets
Half-shell 24；When two clampings of fastener 241 up and down of different armlet half-shells 24 finish, then up and down between two fasteners 241
With precompression, two fasteners 241 mutually clamping in the up-down direction up and down at this time, and two fit closely, and form armlet
22；Be not at this time gap between upper and lower two fasteners 241；Putting hole 221 is formed in the inside of armlet 22 simultaneously, is placed
Skull nail 4 is placed in hole 221.
In use, downward active force is applied to skull nail 4, if skull nail 4 is along the direction of putting hole 221
Be not in the movement locus of gap namely skull nail 4 from beginning to end when moving downward, between upper and lower two fasteners 241
As expected movement locus.If skull nail 4 fails to move downward along the direction of putting hole 221, upper and lower two lockings
It will appear gap between portion 241, prompt the movement locus of operating personnel's skull nail 4 at this time to have deviated from expection, need skull
Nail 4 takes out, and is implanted into again.So set, can effectively prompt whether the movement locus of operating personnel's skull nail 4 meets expection,
Judged that judgment method is simple and efficient by whether there is gap between upper and lower two fasteners 241, can be significantly improved
Surgical effect.
For the specific set-up mode of public buckle 231 and master card button 232, the present invention provides following specific implementation mode：It is public
Buckle 231 is set to the inside of cavity structure comprising groove 2310 and the fastener 2311 in groove 2310, fastener
2311 extend in the axial direction；Master card button 232 includes elongated end 2320 and the embedded part 2321 being connected with elongated end 2320；Such as
Shown in Figure of description 3.
When installing two handle half-shells 20, being located at the public buckles 231 of different handle half-shells 20, with master card to buckle 232 right first
Level is set, and then stretches into the embedded part 2321 of master card button 232 in groove 2310, and avoids inserting under the action of fastener 2311
Embedding portion 2321 is detached from and is fitted closely with embedded part 2321 in groove 2310 namely fastener 2311, it is ensured that embedded part 2321 is opposite
It is fixed in the position of fastener 2311.
On the basis of the embodiment of medical instrument fixing device given above, the side wall of the hand-held ontology 21
Bottom have can flexible deformation, to be connected in the elastic wall 25 of the through-hole 11, and there are one any elastic wall 25 sets
The buckle 210.
Further, multiple elastic walls 25 are distributed in the bottom of the hand-held ontology 21 in petaloid, and any described
The both sides of elastic wall 25 all have the deformation slot 26 for extending axially upward and being mutually parallel along the hand-held ontology 21, with reality
The flexible deformation of an incumbent elastic wall 25.
Still further, all the elastic wall 25 constitutes the elastic wall group of at least two groups diametrically, and described in difference
The diameter of circumference is different where elastic wall group, to coordinate various sizes of bone hole 410.
Further, the bone hole pedestal 1 is equipped with along the circumferentially distributed limiting slot 13 of the through-hole 11, at least one institute
It states elastic wall 25 and is equipped with the positioning bone 27 that can insert scarf conjunction with the limiting slot 13, it is opposite to limit the base handle 2
It is rotated in the bone hole pedestal 1.
As shown in Figure of description 2, the sidewall bottom for holding ontology 21 has multiple elastic walls 25, and each elastic wall
25 all have a buckle 210；Wherein, each buckle 210 is in arcuation；In use, each elastic wall 25 can be
Flexible deformation to a certain extent radially has small deformation；When buckle 210 is connected in through-hole 11, shape occurs for elastic wall 25
Becoming, it is ensured that buckle 210 can extend into through-hole 11, and after buckle 210 stretches into through-hole 11, then elastic wall 25 restores deformation, this
When buckle 210 with through-hole 11 be in clamped condition.
Such as Figure of description 2 and attached drawing 3, multiple elastic walls 25 can be provided with, and hand-held ontology 21 is distributed in petaloid
Bottom, the both sides of each elastic wall 25 all have the deformation for extending axially upward and being mutually parallel along hand-held ontology 21
Slot 26, to realize the flexible deformation of any elastic wall 25.It should be evident that in order to realize that it is small that elastic wall 25 can radially have
Deformation, multiple deformation slots 26 being mutually parallel, so, the two of arbitrary neighborhood can be opened up in the bottom of hand-held ontology 21
An elastic wall 25 can be formed between a deformation slot 26, to conveniently realize the deformation of elastic wall 25.
In order to enable base handle 2 that various sizes of bone hole 410, the present invention to be coordinated to constitute whole elastic walls 25 at least
Two groups of elastic wall groups diametrically, and the diameter of circumference where different elastic wall groups is different, to coordinate various sizes of bone hole
410.In the course of surgery, it is therefore possible to use various sizes of drill bit forms bone hole 410, and thus bone hole 410 is not a kind of size；By
This, coordinates various sizes of bone hole 410, and then improve the widely applicable property of base handle 2 by different elastic wall groups.
Wherein, each elastic wall group should include at least two elastic walls 25, and at least two elasticity of each elastic wall group
Wall 25 is preferably uniformly distributed in the circumferential, the size constancy of the through-hole 11 of bone hole pedestal 1, and whole elastic wall group can with it is logical
Hole 11 connects and fixes；In use, according to the size of current bone hole 410, one group of elastic wall group is selected, when the elastic wall group
When being clamped with through-hole 11, then the different elastic walls 25 of the elastic wall group can uniformly apply the clamping power to through-hole 11, it is ensured that bottom
Seat handle 2 and the clamping of bone hole pedestal 1 are reliable；Meanwhile the different elastic walls 25 of the elastic wall group can extend into bone hole 410
In, it realizes and cooperates, reach the reliable purpose of clamping.
In order to further increase the location efficiency of base handle 2 and bone hole pedestal 1, bone hole pedestal 1 is equipped with limiting slot 13, more
A limiting slot 13 is circumferentially distributed along through-hole 11, as shown in Figure of description 1；At the same time, at least one elastic wall 25 is equipped with
The positioning bone 27 that scarf conjunction can be inserted with limiting slot 13, rotates to limit base handle 2 relative to the bone hole pedestal 1, such as
Shown in Figure of description 1.So set, the positioning of base handle 2 and bone hole pedestal 1 can greatly be facilitated, it is ensured that pedestal hand
The armlet 22 of handle 2 is located on the nail hole 10 of bone hole pedestal 1, avoid in use base handle 2 relative to bone hole pedestal 1
It is subjected to displacement.
It should be noted that in the present specification, such as first and second etc relational terms are used merely to one
Entity is distinguished with other several entities, and without necessarily requiring or implying between these entities, there are any this actual
Relationship or sequence.
Medical instrument fixing device provided by the present invention is described in detail above.It is used herein specifically a
Principle and implementation of the present invention are described for example, and the explanation of above example is only intended to help to understand the present invention's
Method and its core concept.It should be pointed out that for those skilled in the art, not departing from the principle of the invention
Under the premise of, it can be with several improvements and modifications are made to the present invention, these improvement and modification also fall into the claims in the present invention
Protection domain in.
Claims (10)
1. a kind of medical instrument fixing device, which is characterized in that including：
To be placed on the bone hole pedestal (1) in the bone hole of skull；The bone hole pedestal (1) is equipped with along its axial through-hole
(11), and the both sides of the bone hole pedestal (1) are equipped with nail hole (10)；
Base handle (2)；Including the hand-held ontology (21) being in the form of a column, and positioned at the bottom end of the hand-held ontology (21) to card
The buckle (210) of the through-hole (11) is connect, the both sides of the hand-held ontology (21) are equipped with to place the armlet of skull nail (4)
(22), and any armlet (22) is located above a nail hole (10), to realize that the skull in the armlet (22) is followed closely
(4) it can be threaded into the nail hole (10).
2. medical instrument fixing device according to claim 1, which is characterized in that the armlet (22) has by upper under
The putting hole (221) of tapered setting, and the madial wall of the putting hole (221) has elasticity；When to positioned at the putting hole
(221) when mesocrany nail applies downward coupling mechanism force, the putting hole (221) can open, to realize that skull nail moves downward.
3. medical instrument fixing device according to claim 2, which is characterized in that the top of the putting hole (221) is also
Equipped with anti-being disengaged from the groove (222) with what is fallen off to avoid skull nail.
4. medical instrument fixing device according to claim 2, which is characterized in that the axis of two putting holes (221)
It is tilted from lower direction close to the axis direction of the hand-held ontology (21) on.
5. medical instrument fixing device according to claim 2, which is characterized in that the putting hole (221) further includes position
In the anti-nail slot (223) for being disengaged from the groove (222) lower section and inner wall smooth.
6. the medical instrument fixing device according to Claims 1 to 5 any one, which is characterized in that the base handle
(2) include two handle half-shells (20) that can be engaged by clamping, the pedestal is formed after two handle half-shell (20) cooperations
Handle (2)；Wherein, each described handle half-shell (20) all has hand-held ontology half-shell (23) and two armlet half-shells
(24)。
7. medical instrument fixing device according to claim 6, which is characterized in that the hand-held ontology half-shell (23) is in sky
Cavity configuration, and the both sides of the edge of the hand-held ontology half-shell (23) are respectively equipped with public buckle (231) and master card button (232), it is described
Public affairs buckle (231) and the master card button (232) can mutually be engaged by clamping；The inside top of the cavity structure has radially
The stop bit bone (233) of extension；Positioned at the outside point of the difference armlet half-shell (24) of the same hand-held ontology half-shell (23)
It She You not the different fastener in upper and lower position (241)；
When the two hand-held ontology half-shells (23) are engaged by clamping, the two stop bit bones (233) are radially bonded, and upper and lower position is different
The mutually clamping up and down of two fasteners (241), and the public buckle (231) and the master card button (232) are mutually clamped and match
It closes, forms the base handle (2)；
Wherein, it is located between two fasteners (241) up and down of the same armlet (22) with the precompression after clamping, and
When the two different fasteners (241) of upper and lower position mutually clamping up and down, then between upper and lower two fasteners (241) not
It will appear gap；
When the skull nail positioned at the armlet (22) is moved downward along the direction of the putting hole (221), then up and down described in two
Fastener is not in gap between (241)；
When the skull nail positioned at the armlet (22) move along the direction of the putting hole (221), then upper and lower two cards
Stop will appear seam between (241).
8. medical instrument fixing device according to claim 7, which is characterized in that
The public buckle (231) is set to the inside of the cavity structure comprising groove (2310) and is set to the groove
(2310) and along the axis direction of the hand-held ontology (21) fastener (2311) extended；
The master card button (232) include the elongated end (2320) extended to the groove (2310) direction and with the elongated end
(2320) embedded part (2321) for being connected, can extend into the groove (2310) and being mutually clamped with the fastener (2311).
9. the medical instrument fixing device according to Claims 1 to 5 any one, which is characterized in that the bone hole pedestal
(1) bottom surface is in arcuation, to increase the fitting area with skull surface.
10. medical instrument fixing device according to claim 9, which is characterized in that the upper surface of the bone hole pedestal (1)
Two deformation slots (12) are additionally provided with, the two deformation slots (12) are located at the both sides of the through-hole (11), to adjust the bone
The bottom surface radian of hole pedestal (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810361278.XA CN108325071A (en) | 2018-04-20 | 2018-04-20 | A kind of medical instrument fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810361278.XA CN108325071A (en) | 2018-04-20 | 2018-04-20 | A kind of medical instrument fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108325071A true CN108325071A (en) | 2018-07-27 |
Family
ID=62933397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810361278.XA Pending CN108325071A (en) | 2018-04-20 | 2018-04-20 | A kind of medical instrument fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108325071A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109718467A (en) * | 2019-01-13 | 2019-05-07 | 常州瑞神安医疗器械有限公司 | A kind of electrode cable limiter |
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| PB01 | Publication | ||
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| CB02 | Change of applicant information |
Country or region after: China Address after: 102200 building 19, yard 79, Shuangying West Road, science and Technology Park, Changping District, Beijing Applicant after: Beijing Pinchi Medical Equipment Co.,Ltd. Address before: 102200 building 19, yard 79, Shuangying West Road, science and Technology Park, Changping District, Beijing Applicant before: BEIJING PINS MEDICAL Co.,Ltd. Country or region before: China |