CN208943267U - The electrode fixing-aid device and the screw guide frame of the guide frame containing screw - Google Patents
The electrode fixing-aid device and the screw guide frame of the guide frame containing screw Download PDFInfo
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- CN208943267U CN208943267U CN201820517042.6U CN201820517042U CN208943267U CN 208943267 U CN208943267 U CN 208943267U CN 201820517042 U CN201820517042 U CN 201820517042U CN 208943267 U CN208943267 U CN 208943267U
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- 238000009434 installation Methods 0.000 claims abstract description 33
- 210000004556 brain Anatomy 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 9
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 210000003625 skull Anatomy 0.000 description 17
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 13
- 239000010936 titanium Substances 0.000 description 13
- 229910052719 titanium Inorganic materials 0.000 description 13
- 238000010586 diagram Methods 0.000 description 4
- 239000007943 implant Substances 0.000 description 4
- 230000001537 neural effect Effects 0.000 description 4
- 238000010079 rubber tapping Methods 0.000 description 4
- 230000000638 stimulation Effects 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 229910001069 Ti alloy Inorganic materials 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 210000003811 finger Anatomy 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005424 photoluminescence Methods 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 229910001256 stainless steel alloy Inorganic materials 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 241000587161 Gomphocarpus Species 0.000 description 1
- -1 as shown in Fig. 1 Chemical compound 0.000 description 1
- 230000000747 cardiac effect Effects 0.000 description 1
- 210000003169 central nervous system Anatomy 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 210000000278 spinal cord Anatomy 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 210000003813 thumb Anatomy 0.000 description 1
- 210000001186 vagus nerve Anatomy 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
- A61N1/0531—Brain cortex electrodes
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/18—Applying electric currents by contact electrodes
- A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
- A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
- A61N1/3605—Implantable neurostimulators for stimulating central or peripheral nerve system
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/18—Applying electric currents by contact electrodes
- A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
- A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
- A61N1/372—Arrangements in connection with the implantation of stimulators
- A61N1/375—Constructional arrangements, e.g. casings
Landscapes
- Health & Medical Sciences (AREA)
- Neurosurgery (AREA)
- Neurology (AREA)
- Public Health (AREA)
- Biomedical Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Veterinary Medicine (AREA)
- Radiology & Medical Imaging (AREA)
- Engineering & Computer Science (AREA)
- Psychology (AREA)
- Cardiology (AREA)
- Heart & Thoracic Surgery (AREA)
- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
- Electrotherapy Devices (AREA)
Abstract
The utility model discloses a kind of electrode fixing-aid device of guide frame containing screw and the screw guide frames, guide frame includes at least two chinch nail elastic slices of through-hole and the central axis setting around the through-hole, the internal diameter of the through-hole is greater than or equal to the outer diameter in screw head of a nail portion, the edge of each chinch nail elastic slice from the through-hole extends downwardly and is integrally formed with the supporting part, the at least two chinch nails elastic slice is formed by channel at least part and becomes narrow gradually from top to bottom, and the chinch nail elastic slice positions screw or rotates screw by screwdriver external force to move axially along itself by its own elastic clamping screw.By improving, guide frame is added, serves when screw locks axially directed, screw skew or heterogeneous example showing an absence of inverse disconnection between the middle term and the major term electrode lock installation folder or even the situation that falls are avoided the occurrence of, thus accurate mounting screw.
Description
Technical field
The utility model belongs to Implanted medical system field more particularly to a kind of electrode of guide frame containing screw is fixed
Auxiliary device and guide frame for locking screw.
Background technique
Implanted medical system generally includes implantable neural electrical stimulator, implantable cardiac electric stimulation (is commonly called as
Pacemaker), implanted drug infusion system.Wherein, implantable neural electrical stimulator includes lesions located in deep brain DBS,
Implanted cortex stimulates CNS, implanted spinal cord stimulation trial SCS, implanted Sacral nerve electrical stimulation SNS, implanted vagus nerve
Electro photoluminescence VNS.By taking implantable neural electrical stimulator as an example, main includes impulse generator, electrode and the body to implant
Outer control device.Wherein, impulse generator is connected with electrode, so that pulse caused by impulse generator is transferred to electricity
Pole, the pulse signal that impulse generator generates is transmitted to heart by electrode or specific neural position carries out electro photoluminescence, to make one
State of the body functional recovery to normal operation.
For patient during implant surgery, doctor first has to the target spot that patient's brain is determined by 3 D stereo positioning device
Position, doctor output aperture on the skull of patient according to target position, and brain electrode is inserted into brain target spot, doctor through skull hole
It is raw that implantation target spot is tested using testing stimulus device, brain electrode is used into fixed device if stimulation therapy effect ideal
It is securely fixed on skull.In the prior art, as the fixed device of brain electrode in United States Patent (USP) US4328813 generally includes
Cranium orifice ring and skull lid with electrode hole, skull lid covers the closing cranium orifice ring on cranium orifice ring after brain electrode is inserted into cranium orifice ring,
Brain electrode is clamped between skull lid and cranium orifice ring；The for another example fixed dress of the brain electrode in Chinese patent CN102526880
Set including with electrode hole cranium orifice ring, for filling in the cranium stopple inside electrode hole, cranium hole offers beyond the Great Wall to be had for wearing
It crosses and at least one slot of fixed brain electrode, suture introducing needle passes through the slot by cranium stopple closed electrode hole.No matter Yi Shang that
The fixed device of the brain electrode of structure requires with skull mutually to fix cranium orifice ring during implant surgery.Common fixation
Structure is to open up lockhole on cranium orifice ring, passes through lockhole by screw and locks skull, so that cranium orifice ring is locked in skull
On.
In the prior art, because self tapping titanium nail is nonmagnetic, titanium nail cannot be adsorbed the installation titanium nail installed, and current by screwdriver
Tool in use, titanium nail is easy to stress and skew even heterogeneous example showing an absence of inverse disconnection between the middle term and the major term the case where correspond to tool occurs, causes titanium nail to be locked askew
The position having cannot even be locked.
Utility model content
The purpose of the utility model is to provide a kind of electrode fixing-aid device of guide frame containing screw and for locking spiral shell
The guide frame of nail, to solve during mutually fixing cranium orifice ring with skull, the skew condition of self tapping titanium nail.
The utility model proposes a kind of guide frame containing screw electrode fixing-aid device, it includes
Electrode locks installation folder, which locks the lower part of installation folder for the fixed device of insertion brain electrode from top to down
The electrode hole in cranium orifice ring centre；
Supporting part, supporting part setting fix the cranium orifice ring of device positioned at brain electrode in electrode lock installation folder
Top；
Guide frame, the guide frame are arranged on the supporting part and are aligned in the axial direction with the lockhole of cranium orifice ring, lead
It include at least two chinch nail elastic slices of through-hole and the central axis setting around the through-hole to structure, the internal diameter of the through-hole is big
In or equal to screw head of a nail portion outer diameter, the edge of each chinch nail elastic slice from the through-hole extends downwardly and holds with described
Support portion is integrally formed, and at least two chinch nails elastic slice is formed by channel at least part and becomes narrow gradually from top to bottom, and
The chinch nail elastic slice positions screw or screw is made to rotate edge by screwdriver external force by its own elastic clamping screw
Itself axial movement.
Further, the lower end of at least one chinch nail elastic slice in screw nail body portion two neighboring thread between, and
It can be along the internal screw thread in screw thread slidably clamped spiked body portion.
Further, it is inclined-plane or the conical surface that at least two chinch nail elastic slices, which are formed by channel at least part medial surface,.
Further, there is gap between two adjacent chinch nail elastic slices.
Further, guide frame further includes at least two guide walls for surrounding the central axis setting of through-hole, guide wall
It upwardly extends from the edge of through-hole and is integrally formed with supporting part.
Further, the upper end of at least two guide walls surrounds and forms the conical surface.
Further, guide frame uses flexible material.
Further, guide frame further includes an annular sleeve being located above through-hole, and the internal diameter of annular sleeve is followed closely equal to screw
The outer diameter in cap portion.
The utility model additionally provides another technical solution: a kind of for locking the guide frame of screw, the guide frame
Be set on a load bearing component, guide frame include through-hole and and around the through-hole central axis be arranged at least two armfuls
Langrage piece, the internal diameter of the through-hole are more than or equal to the outer diameter in screw head of a nail portion, and each chinch nail elastic slice is from the through-hole
Edge extend downwardly and be integrally formed with the supporting part, at least two chinch nails elastic slice is formed by channel at least one
Part becomes narrow gradually from top to bottom, and the chinch nail elastic slice makes screw be positioned or be made spiral shell by its own elastic clamping screw
Nail is rotated by screwdriver external force to be moved axially along itself.
Further, the lower end of at least one chinch nail elastic slice in screw nail body portion two neighboring thread between, and
It can be along the internal screw thread in screw thread slidably clamped spiked body portion.
Further, it is inclined-plane or the conical surface that at least two chinch nail elastic slices, which are formed by channel at least part medial surface,.
Further, there is gap between two adjacent chinch nail elastic slices.
Further, guide frame further includes at least two guide walls for surrounding the central axis setting of through-hole, guide wall
It upwardly extends from the edge of through-hole and is integrally formed with supporting part.
Further, the upper end of at least two guide walls surrounds and forms the conical surface.
Further, guide frame uses flexible material.
Further, guide frame further includes an annular sleeve being located above through-hole, and the internal diameter of annular sleeve is followed closely equal to screw
The outer diameter in cap portion.
Further, the electrode that this guide frame for being used to lock screw is applied to the above-mentioned guide frame containing screw is fixed auxiliary
Device is helped, the load bearing component of guide frame is above-mentioned supporting part.
The electrode fixing-aid device of the utility model guide frame containing screw, during usage, screw is pacified in advance
In electrode lock installation folder, the through-hole of self- steering structure is inserted into, and chinch nail elastic slice is tight by titanium nail clip by natural resiliency, so that spiral shell
Nail will not be moved or be fallen off, and when screw stress is rotated down and locks skull, chinch nail elastic slice will will be slow opening, and screw is along leading
It locks the lockhole on cranium orifice ring downwards to structure, then locks skull, finally disengage electrode and lock installation folder, but due to chinch nail elastic slice
Natural resiliency, entirely lock during, chinch nail elastic slice always can pinching screw, until screw be detached from electrode lock installation folder.
By modified electrode locking device, guide frame is added, the lower end of chinch nail elastic slice is caught between the two neighboring thread of screw, and
Clamped by the elasticity of chinch nail elastic slice itself titanium nail, serve when screw locks accurately it is axially directed, to control screw
Installation site and trend avoid the occurrence of the situation that screw skew or heterogeneous example showing an absence of inverse disconnection between the middle term and the major term electrode lock installation folder are even fallen, to reach
Accurate mounting screw purpose.This electrode locking device that can not only be applied in the application for locking the guide frame of screw, also
It can be applied to other screw-locking devices, this guide frame follows closely self tapping titanium, spiral shell made of titanium alloy or stainless steel alloy
Nail or other machine screws are applicable in.
The above description is merely an outline of the technical solution of the present invention, in order to better understand the skill of the utility model
Art means, and can be implemented in accordance with the contents of the specification, below on the preferred embodiment of the present invention and the accompanying drawings in detail
It describes in detail bright as after.
Detailed description of the invention
Fig. 1 is that the cross-section structure of the electrode fixing-aid device of the guide frame containing screw in the utility model embodiment one shows
It is intended to, in guide frame therein, one has screw signal, and one is illustrated without screw；
Fig. 2 is the schematic perspective view of guide frame in the utility model embodiment one；
Fig. 3 is structural schematic diagram of the guide frame when locking screw in the utility model embodiment one；
Fig. 4 is that electrode locks the structural schematic diagram of installation folder when in use in the utility model embodiment one；
Fig. 5 is that electrode locks the structural schematic diagram of installation folder when in use in the utility model embodiment two；
Fig. 6 is that electrode locks the structural schematic diagram of installation folder when in use in the utility model embodiment three.
Wherein:
1, electrode locks installation folder；11, grips；12, electrode locks pressing down section；13, salient point；
2, supporting part；21, through-hole；
3, guide frame；31, chinch nail elastic slice；32, guide wall；33, first passage；34, second channel；
4, cranium orifice ring；41, electrode hole；42, lockhole；
5, screw；51, head of a nail portion；52, body portion is followed closely；
6, electrode；
7, electrode is locked.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.
With reference to figures 1 through attached drawing 4, a kind of electrode fixing-aid device of the guide frame containing screw, it includes electrode lock peace
Clamping 1, supporting part 2, guide frame 3.
Electrode locks cranium orifice ring 4 central part of the lower part of installation folder 1 for the fixed device of insertion brain electrode from top to down
The electrode hole 41 of position fills in electrode lock 7 in electrode hole 41.It includes left and right two parts that electrode, which locks installation folder, the left and right two parts
It can open and close, when closure can clamp electrode, as shown in Fig. 4.Electrode is locked on left and right two parts of installation folder 1 respectively
It is provided with grips 11 outstanding, thumb and index finger grip convenient for doctor's one hand are opened so that left and right two parts are opposite, with folder
Tight electrode.It can also be arranged on the surface of grips 11 of course for the frictional force increased between finger and grips 11 multiple
Shallow slot.
The lower part that electrode locks installation folder 1 is that electrode locks pressing down section 12, and preferably cylindrical, diameter is straight with electrode lock 7
Diameter is roughly the same, and the bottom of electrode lock pressing down section 12 is provided at least one salient point 13.Present embodiment bumps 13 be 4 and
It is evenly distributed on the rounded bottom surface of electrode lock pressing down section 12,4 concave points for locking 7 upper surfaces with electrode match convenient for doctor
It is raw to pick and place electrode lock 7.Certainly other modes can also be taken to match connection with electrode locking phase in other implementations, such as changed
Become the shape and number of salient point.
It is engineering plastics or flexible metal material that electrode, which locks 1 making material of installation folder,.
The setting of supporting part 2 is located at the top of the cranium orifice ring 4 of the fixed device of brain electrode in electrode lock installation folder 1.It holds
Support portion 2 can be arranged directly in electrode lock installation folder 1, also can connect on the protrusion in electrode lock installation folder 1.This
In embodiment, the middle part of 2 self-electrode of supporting part lock installation folder 1 extends outward and is integrally formed with electrode lock installation folder 1.Support
2 through-hole of portion is made of flexible material, has elasticity, such as silica gel or plastics.
The setting of guide frame 3 is aligned in the axial direction on supporting part 2, and with the lockhole of cranium orifice ring 4 42 so that screw 5 is locked
Lockhole 42.Guide frame 3 includes at least the two of the through-hole 21 being provided on supporting part 2 and the central axis setting around through-hole 21
A chinch nail elastic slice 31.The internal diameter of through-hole 21 is greater than or equal to the outer diameter in screw head of a nail portion 51, and each chinch nail elastic slice 31 is from through-hole
Edge extend downwardly and with supporting part 2 be integrally formed, at least two chinch nail elastic slices 31 be formed by channel at least part by
Top to bottm becomes narrow gradually, and further, it is inclined-plane that at least two chinch nail elastic slices 31, which are formed by channel at least part medial surface,
Or the conical surface, and the chinch nail elastic slice 31 positions screw 5 or screw 5 is made to pass through spiral shell by its own elastic clamping screw 5
Silk knife external force is rotated and is moved axially along itself.
In a kind of highly preferred embodiment, guide frame 3 includes limiting for the head of a nail portion 51 to screw 5
First passage 33, positioned at the lower section of first passage 33 and limited for the threaded nail body portion 52 of tool to screw 5 the
Two channels 34.First passage 33 includes above-mentioned through-hole 21.On the basis of described above, the internal diameter of through-hole 21 is greater than or waits
Outer diameter in preferred screw head of a nail portion 51, in the present embodiment, the preferably equal to outer diameter in screw head of a nail portion 51, when passing through guiding knot
When structure 3 imports screw 5, the material due to forming through-hole 21 has elasticity, and head of a nail portion 52 can pass through through-hole 21, to make through-hole
21 pairs of head of a nail portions 52 are defined, in the present invention, can when being greater than the outer diameter in screw head of a nail portion 51 by 21 internal diameter
With in providing a kind of highly preferred embodiment, guide frame 3 further includes an annular sleeve (attached drawing for being located at 21 top of through-hole
In be not drawn into), the internal diameter of annular sleeve is equal to the outer diameter in screw head of a nail portion.The annular sleeve is preferably disposed on the inside of guide wall 32,
The annular sleeve is made with elastic material, such as silica gel or plastics.
Above-mentioned chinch nail elastic slice 31 is preferably 3~5, is 4 in the present embodiment, as shown in Fig. 2.Chinch nail elastic slice 31
Central axis around through-hole 21 is uniformly arranged.There is gap, to guarantee chinch nail elastic slice between two adjacent chinch nail elastic slices 31
31 will not interfere with each other when elastic deformation occurs.Chinch nail elastic slice 31 at least forms above-mentioned second channel 34, and passes through it
Natural resiliency pinching screw 5 positions screw 5 or rotates screw 5 along itself axial movement by screwdriver external force.
When locking screw 5 by guide frame 3, the lower end of at least one chinch nail elastic slice 31 follows closely body portion 52 in screw 5
Two neighboring thread between, and can be along the internal screw thread in screw thread slidably clamped spiked body portion 52.To guarantee that screw 5 is worked as
Not in the case where by external force, it will not move up and down or fall off, when external force of the screw 5 by screwdriver, under chinch nail elastic slice 31
End enough passes through slowly constantly to be connected in the screw thread of screw 5 layer by layer from the bottom to top, and pinching screw locks it accurately
Lockhole 42 will not shift.
In the present embodiment, guide frame 3 further includes the guide wall 32 upwardly extended from the edge of through-hole 21, the guide wall
32 form the top of above-mentioned first passages 33, and through-hole 21 forms the middle part of first passage 33, at least two chinch nail elastic slices 31 it is upper
Portion is vertically arranged and the lower part of first passage 33 is collectively formed；The lower part of at least two chinch nail elastic slices 31 is from top to down towards logical
The central axis in hole 21 is obliquely installed and above-mentioned second channel 34 is collectively formed.
In the embodiment in a kind of highly preferred embodiment, first passage 33 is column construction, second channel
34 be pyramidal structure.
Preferably, the top for the first passage 33 that the inner wall of above-mentioned guide wall 32 forms cylindrical structure for cambered surface.Another
In a kind of embodiment, the upper ends of at least two guide walls 32 is around forming the conical surface.
There is lockhole 41, the lockhole 41 on cranium orifice ring 4 that screw 5 passes through the fixed device of brain electrode is downward on cranium orifice ring 4
Skull is locked, fixes the fixed device of brain electrode mutually with skull.Guide frame 3 is correspondingly located at the fixed device of brain electrode
The central axis of the surface of lockhole 41 on cranium orifice ring 4, guide frame using center or is kept according to the position of lockhole 41
The inclination of certain angle, the tilt angle are preferably -15 °~+15 °, and screw 5 is accurately inserted into, guiding is passed through
It structure 3 and is aligned with lockhole 41, screw 5 is easily screwed into the skull of patient.
The working principle of the electrode fixing-aid device of the utility model guide frame containing screw:
When following closely fixed cranium orifice ring by lock titanium, as shown in Fig. 1, titanium nail is pre-installed in electrode lock installation folder 1, from the
The insertion of one channel 33, chinch nail elastic slice 31 by natural resiliency by screws clamp so that screw will not be moved or be fallen off, screw by
Power is rotated down when locking skull, and chinch nail elastic slice 31 will will be slow opening, and screw locks downwards skull along guide frame 3, most
Electrode is disengaged afterwards locks installation folder 1, but due to the natural resiliency of chinch nail elastic slice 31, during entirely locking, chinch nail elastic slice 31
Always can pinching screw, until screw be detached from electrode lock installation folder 1；Meanwhile by first passage 33 through-hole 21 it is preferred etc.
In screw head of a nail portion outer diameter and formed through-hole 21 material natural resiliency come limit titanium nail head of a nail portion 51, with screw by
Power is rotated down, after head of a nail portion 51 is extruded down into and passes through through-hole 21, then it represents that screw positions successfully, can remove electromechanical locks
Installation folder 1 and continue lock-screw
When installing electrode lock, such as attached drawing 4, electrode lock installation folder 1 has organized electrode lock 7 by salient point 13 in advance, has operated grip
Portion 11, left and right two parts band moving electrode lock 7 that electrode locks installation folder 1 are opened, and to facilitate folder suture introducing needle, electrode 6 passes through suture introducing needle
After reaching specified target spot, suture introducing needle is extracted out, electrode lock holds electrode 6 tightly immediately at this time, makes electrode 6 in implant site without any orientation
It is mobile.
In above technical scheme, the screw is that self tapping titanium is followed closely, medical made of titanium alloy or stainless steel alloy
Screw.
The present embodiment additionally provides another technical solution: a kind of for locking the guide frame of screw, which sets
It sets on a load bearing component.Guide frame includes the through-hole 21 being provided on supporting part 2 and sets around the central axis of through-hole 21
At least two chinch nail elastic slices 31 set.The internal diameter of through-hole 21 is greater than or equal to the outer diameter in screw head of a nail portion 51, each chinch nail elastic slice
31 extend downwardly from the edge of through-hole and are integrally formed with supporting part 2, and at least two chinch nail elastic slices 31 are formed by channel extremely
Few a part becomes narrow gradually from top to bottom, and further, at least two chinch nail elastic slices 31 are formed by at least part of channel
Side is inclined-plane or the conical surface, and the chinch nail elastic slice 31 makes screw 5 be positioned or be made spiral shell by its own elastic clamping screw 5
Nail 5 is rotated by screwdriver external force to be moved axially along itself.
In a kind of highly preferred embodiment, guide frame includes being oriented to for the head of a nail portion 51 to screw 5
Or limit first passage 33, positioned at the lower section of first passage 33 and for nail body portion 52 threaded to the tool of screw 5 progress
The second channel 34 of limit.First passage 33 includes above-mentioned through-hole 21, and through-hole 21 is directly provided with supporting part 2 in the present embodiment
On, another component made of above-mentioned flexible material can also be connected in practical application on supporting part 2, through-hole is provided with
On another component.On the basis of described above, internal diameter is greater than or preferably equal to screw head of a nail portion at the minimum of through-hole 21
51 outer diameter.When locking screw 5 by guide frame 3, the material due to forming through-hole 21 has elasticity, and head of a nail portion 52 can squeeze
Enter and pass through through-hole 21, so that through-hole 21 be made to be defined head of a nail portion 52.Second channel 32 becomes narrow gradually from top to bottom.
Above-mentioned chinch nail elastic slice 31 is preferably 3~5, is 4 in the present embodiment, as shown in Fig. 2.Chinch nail elastic slice 31
Central axis around through-hole 21 is uniformly arranged.There is gap, to guarantee chinch nail elastic slice between two adjacent chinch nail elastic slices 31
31 will not interfere with each other when elastic deformation occurs.Chinch nail elastic slice 31 at least forms above-mentioned second channel 34, and passes through it
Natural resiliency pinching screw 5 positions screw 5 or rotates screw 5 along itself axial movement by screwdriver external force.
When locking screw 5 by guide frame 3, the lower end of at least one chinch nail elastic slice 31 follows closely body portion 52 in screw 5
Two neighboring thread between, and can be along the internal screw thread in screw thread slidably clamped spiked body portion 52.To guarantee that screw 5 is worked as
Not in the case where by external force, it will not move up and down or fall off, when external force of the screw 5 by screwdriver, under chinch nail elastic slice 31
End enough passes through slowly constantly to be connected in the screw thread of screw 5 layer by layer from the bottom to top, and pinching screw locks it accurately
Lockhole 42 will not shift.
In the present embodiment, guide frame 3 further includes the guide wall 32 upwardly extended from the edge of through-hole 21, the guide wall
32 form the top of above-mentioned first passages 33, and through-hole 21 forms the middle part of first passage 33, at least two chinch nail elastic slices 31 it is upper
Portion is vertically arranged and the lower part of first passage 33 is collectively formed；The lower part of at least two chinch nail elastic slices 31 is from top to down towards logical
The central axis in hole 21 is obliquely installed and above-mentioned second channel 34 is collectively formed.
In the embodiment in a kind of highly preferred embodiment, first passage 33 is column construction, second channel
34 be pyramidal structure.
Preferably, the top for the first passage 33 that the inner wall of above-mentioned guide wall 32 forms cylindrical structure for cambered surface.Another
In a kind of embodiment, the upper ends of at least two guide walls 32 is around forming the conical surface.
This electrode fixing-aid device for being applied to the above-mentioned guide frame containing screw for locking the guide frame of screw is led
It is supporting part 2 above to structural bearing component.
This is used to lock electrode fixed auxiliary of the working principle with the above guide frame containing screw of the guide frame of screw
Guide frame 3 in device.
Embodiment two
With reference to attached drawing 5, the area of the electrode fixing-aid device and embodiment one of the guide frame containing screw in the present embodiment
Be not only that: while guide wall 32 forms the top of first passage 33, through-hole 21 forms the lower part of first passage 33.Chinch nail bullet
Piece 31 is whole to form second channel 34 towards the central axis inclination of through-hole 21 from top to down, in the present embodiment, described
Chinch nail elastic slice 31 is 2, all inclined-planes of 31 medial surface of chinch nail elastic slice.
Embodiment three
With reference to attached drawing 6, the area of the electrode fixing-aid device and embodiment one of the guide frame containing screw in the present embodiment
Be not only that: not set guide wall, through-hole 21 form the top of first passage 33, and the Upper vertical of chinch nail elastic slice 31 is arranged and shape
At the lower part of first passage 33, the lower part of chinch nail elastic slice 31 forms the towards the central axis inclination of through-hole 21 from top to down
Two channels 34, in the present embodiment, the chinch nail elastic slice 31 are 3, and 31 side portion of chinch nail elastic slice is the conical surface.
The above is only the preferred embodiment of the utility model, is not intended to limit the utility model, it is noted that
For those skilled in the art, without deviating from the technical principle of the utility model, it can also do
Several improvements and modifications out, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (10)
1. a kind of electrode fixing-aid device of guide frame containing screw, it is characterised in that: it includes
Electrode locks installation folder, which locks cranium hole of the lower part of installation folder for the fixed device of insertion brain electrode from top to down
The electrode hole in ring centre；
Supporting part, supporting part setting are located at the cranium hole of the fixed device of the brain electrode in electrode lock installation folder
The top of ring；
Guide frame, the guide frame are arranged on the supporting part and are aligned in the axial direction with the lockhole of cranium orifice ring, guiding knot
Structure include through-hole and around the through-hole central axis be arranged at least two chinch nail elastic slices, the internal diameter of the through-hole be greater than or
Equal to the outer diameter in screw head of a nail portion, the edge of each chinch nail elastic slice from the through-hole extend downwardly and with the supporting part
It is integrally formed, at least two chinch nails elastic slice is formed by channel at least part and becomes narrow gradually from top to bottom, and described
Chinch nail elastic slice positions screw or rotates screw along certainly by screwdriver external force by its own elastic clamping screw
Body axial movement.
2. the electrode fixing-aid device of the guide frame according to claim 1 containing screw, it is characterised in that: at least one
The lower end of the chinch nail elastic slice can slidably clamp between the two neighboring thread in screw nail body portion along screw thread
Follow closely the internal screw thread in body portion.
3. the electrode fixing-aid device of the guide frame according to claim 1 containing screw, it is characterised in that: it is described at least
It is inclined-plane or the conical surface that two chinch nail elastic slices, which are formed by channel at least part medial surface,.
4. the electrode fixing-aid device of the guide frame according to claim 1 containing screw, it is characterised in that: adjacent two
There is gap between a chinch nail elastic slice.
5. the electrode fixing-aid device of the guide frame according to claim 1 containing screw, it is characterised in that: described leads
It further include at least two guide walls being arranged around the central axis of the through-hole to structure, the guide wall is from the through-hole
Edge upwardly extends and is integrally formed with the supporting part.
6. the electrode fixing-aid device of the guide frame according to claim 5 containing screw, it is characterised in that: it is described at least
The upper end of two guide walls surrounds and forms the conical surface.
7. the electrode fixing-aid device of the guide frame according to claim 1 containing screw, it is characterised in that: described leads
Flexible material is used to structure.
8. the electrode fixing-aid device of the guide frame according to claim 1 containing screw, it is characterised in that: described leads
It further include an annular sleeve being located above the through-hole to structure, the internal diameter of the annular sleeve is equal to the outer diameter in screw head of a nail portion.
9. a kind of for locking the guide frame of screw, it is characterised in that: the guide frame is set on a load bearing component, guiding knot
Structure include through-hole and and around the through-hole at least two chinch nail elastic slices that are arranged of central axis, the through-hole is greater than or waits
The edge of outer diameter in screw head of a nail portion, each chinch nail elastic slice from the through-hole extend downwardly and with the supporting part one
Body formed, at least two chinch nails elastic slice is formed by channel at least part and becomes narrow gradually from top to bottom, and described armful
Langrage piece positions screw or rotates screw along itself by screwdriver external force by its own elastic clamping screw
Axial movement.
10. according to claim 9 for locking the guide frame of screw, it is characterised in that: be applied in claim 1-8
The electrode fixing-aid device of described in any item guide frames containing screw, the load bearing component of the guide frame are claim
Supporting part described in any one of 1-8.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810172525 | 2018-03-01 | ||
| CN2018101725251 | 2018-03-01 |
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| Publication Number | Publication Date |
|---|---|
| CN208943267U true CN208943267U (en) | 2019-06-07 |
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ID=66729709
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820517042.6U Active CN208943267U (en) | 2018-03-01 | 2018-04-12 | The electrode fixing-aid device and the screw guide frame of the guide frame containing screw |
| CN201810326880.XA Pending CN110215605A (en) | 2018-03-01 | 2018-04-12 | The fixed device of brain electrode and external member |
| CN201810326879.7A Pending CN110215604A (en) | 2018-03-01 | 2018-04-12 | The electrode fixing-aid device and the screw guide frame of the guide frame containing screw |
| CN201820518405.8U Active CN208959132U (en) | 2018-03-01 | 2018-04-12 | The fixed device of brain electrode and external member |
Family Applications After (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810326880.XA Pending CN110215605A (en) | 2018-03-01 | 2018-04-12 | The fixed device of brain electrode and external member |
| CN201810326879.7A Pending CN110215604A (en) | 2018-03-01 | 2018-04-12 | The electrode fixing-aid device and the screw guide frame of the guide frame containing screw |
| CN201820518405.8U Active CN208959132U (en) | 2018-03-01 | 2018-04-12 | The fixed device of brain electrode and external member |
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| Country | Link |
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| CN (4) | CN208943267U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110215604A (en) * | 2018-03-01 | 2019-09-10 | 苏州景昱医疗器械有限公司 | The electrode fixing-aid device and the screw guide frame of the guide frame containing screw |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021102780A1 (en) * | 2019-11-28 | 2021-06-03 | 苏州景昱医疗器械有限公司 | Auxiliary tool for surgery |
| CN114010199A (en) * | 2021-09-13 | 2022-02-08 | 中国科学院深圳先进技术研究院 | Protection device for intracranial implantation electrode, auxiliary installation tool and installation method |
| CN114796857B (en) * | 2022-06-28 | 2022-09-27 | 苏州景昱医疗器械有限公司 | Cranial hole electrode fixing device |
| CN114832233B (en) * | 2022-06-29 | 2022-09-27 | 苏州景昱医疗器械有限公司 | Cranial hole electrode fixing device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201223434Y (en) * | 2008-06-30 | 2009-04-22 | 浙江普洛医药科技有限公司 | Skull fixator |
| CN102526880B (en) * | 2010-12-15 | 2015-04-22 | 苏州景昱医疗器械有限公司 | Fixator for brain electrode lead |
| CN102526873B (en) * | 2010-12-15 | 2014-09-17 | 苏州景昱医疗器械有限公司 | Fixation aid for brain electrode lead |
| CN105997224B (en) * | 2016-05-08 | 2018-08-24 | 哈尔滨诺斯泰科技有限责任公司 | A kind of fixing device of surgery screw |
| CN106362280A (en) * | 2016-10-08 | 2017-02-01 | 佛山市兴兴智能科技有限公司 | Brain implanted electrode fixing device |
| CN208943267U (en) * | 2018-03-01 | 2019-06-07 | 苏州景昱医疗器械有限公司 | The electrode fixing-aid device and the screw guide frame of the guide frame containing screw |
-
2018
- 2018-04-12 CN CN201820517042.6U patent/CN208943267U/en active Active
- 2018-04-12 CN CN201810326880.XA patent/CN110215605A/en active Pending
- 2018-04-12 CN CN201810326879.7A patent/CN110215604A/en active Pending
- 2018-04-12 CN CN201820518405.8U patent/CN208959132U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110215604A (en) * | 2018-03-01 | 2019-09-10 | 苏州景昱医疗器械有限公司 | The electrode fixing-aid device and the screw guide frame of the guide frame containing screw |
Also Published As
| Publication number | Publication date |
|---|---|
| CN208959132U (en) | 2019-06-11 |
| CN110215604A (en) | 2019-09-10 |
| CN110215605A (en) | 2019-09-10 |
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