CN108926384A - Meninx needle and meninx hole-drilling system - Google Patents
Meninx needle and meninx hole-drilling system Download PDFInfo
- Publication number
- CN108926384A CN108926384A CN201810738925.4A CN201810738925A CN108926384A CN 108926384 A CN108926384 A CN 108926384A CN 201810738925 A CN201810738925 A CN 201810738925A CN 108926384 A CN108926384 A CN 108926384A
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- China
- Prior art keywords
- meninx
- needle
- shank
- holding structure
- syringe needle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 11
- 239000004020 conductor Substances 0.000 claims abstract description 32
- 230000023597 hemostasis Effects 0.000 claims abstract description 13
- 230000015271 coagulation Effects 0.000 claims abstract description 9
- 238000005345 coagulation Methods 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 description 5
- 238000002324 minimally invasive surgery Methods 0.000 description 5
- 230000000740 bleeding effect Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000009297 electrocoagulation Methods 0.000 description 4
- 210000003625 skull Anatomy 0.000 description 4
- 239000008280 blood Substances 0.000 description 3
- 210000004369 blood Anatomy 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000004080 punching Methods 0.000 description 3
- 210000004556 brain Anatomy 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000000025 haemostatic effect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 208000031737 Tissue Adhesions Diseases 0.000 description 1
- 229940030225 antihemorrhagics Drugs 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3476—Powered trocars, e.g. electrosurgical cutting, lasers, powered knives
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3494—Trocars; Puncturing needles with safety means for protection against accidental cutting or pricking, e.g. limiting insertion depth, pressure sensors
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00017—Electrical control of surgical instruments
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00831—Material properties
- A61B2017/0088—Material properties ceramic
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B2017/3454—Details of tips
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
- A61B2018/1405—Electrodes having a specific shape
Abstract
The embodiment of the present invention provides a kind of meninx needle and meninx hole-drilling system.The meninx needle includes shank, syringe needle, holding structure and conductor wire, holding structure is set on shank, syringe needle is connected to one end of shank, and one end of the separate shank of syringe needle is the perforation tips for carrying out meninx perforation, at least part of syringe needle be can electric coagulation hemostasis conductive material, conductor wire is electrically connected with syringe needle, to power to syringe needle.The meninx needle can reduce meninx perforation difficulty.
Description
Technical field
The present embodiments relate to the field of medical instrument technology more particularly to a kind of meninx needles and meninx hole-drilling system.
Background technique
It is increasing using the ratio of minimally-invasive treatment in current neurosurgery, and in such operation, usually need
Drilling operation is completed on patient skull and meninx, so that surgical instrument can pass through the arrival of the structures such as skull, meninx and specify
Position perform the operation.
It is existing that drilling operation is completed on meninx, it usually needs wound is manufactured on meninx using stiff membrane scissors or dural knife
And punching is completed, but such tool can only use in operation of opening cranium, for Minimally Invasive Surgery, due to may only be deposited on skull
It is the other aperture of grade in diameter, therefore this kind of tool is limited to operating space and makes in Minimally Invasive Surgery using extremely not
Just, the efficiency for influencing Minimally Invasive Surgery, increases operation risk.In addition it during punching this on meninx, also likely produces
The case where bearing blood, doctor, which will not only punch, in this case will also carry out hemostasis operation, so that such Minimally Invasive Surgery operates
Difficulty is big, and risk is promoted.
Summary of the invention
In view of this, one of the technical issues of embodiment of the present invention is solved is to provide a kind of meninx needle and meninx drilling
System is not easy to stop blooding when overcoming the problems, such as that Minimally Invasive Surgery carries out meninx punching in the prior art.
According to an aspect of the present invention, the embodiment of the present invention provides a kind of meninx needle comprising shank, syringe needle, grip knot
Structure and conductor wire, holding structure are set on shank, and syringe needle is connected to one end of shank, and one end of the separate shank of syringe needle is
For carrying out the perforation tips of meninx perforation, at least part of syringe needle be can electric coagulation hemostasis conductive material, conductor wire and needle
Head electrical connection, to power to syringe needle.
It optionally, further include needle point mounting rod and reaming protrusion, the end of needle point mounting rod, reaming is arranged in perforation tips
Protrusion is set on needle point mounting rod, and along perforation direction, reaming protrusion is located at the rear side of perforation tips.
Optionally, reaming protrusion is sphere or spheroid;Alternatively, the circumferential surface of reaming protrusion is arcwall face.
Optionally, shank is conductive material, and conductor wire is electrically connected by shank with syringe needle.
It optionally, further include the control button for controlling syringe needle and whether being powered, the part of control button is located in holding structure,
Holding structure is stretched out in the part of control button.
Optionally, the scale of distance between instruction and perforation tips is provided on shank.
Optionally, meninx needle further includes limit assembly, and limit assembly is arranged on holding structure, and has and make holding structure
The locking state being fixed to each other with shank or the unlocked state for keeping holding structure mobile relative to shank.
It optionally, further include locating piece, locating piece is connected to the side of the close perforation tips of holding structure.
Optionally, locating piece has the limit end face for limiting distance between perforation tips and locating piece.
According to another aspect of the present invention, a kind of meninx hole-drilling system is provided comprising above-mentioned meninx needle.
By above technical scheme as it can be seen that the shank of the meninx needle of the embodiment of the present invention can install other structures, as syringe needle,
Holding structure and conductor wire etc..Holding structure can be connect for doctor's hand held object, or with other operation structures.The piercing tip of syringe needle
End can be used for puncturing meninx and realize perforation.Conductor wire can power for the conductive material of syringe needle, if to wear in progress meninx
Occur carrying out electric coagulation hemostasis when bleeding during hole, to realize meninx perforation progress synchronous with hemostasis, it is ensured that hemostasis
Effect reduces required equipment when carrying out meninx perforation process, reduces meninx perforation difficulty.
Detailed description of the invention
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 technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The some embodiments recorded in inventive embodiments can also obtain according to these attached drawings for those of ordinary skill in the art
Obtain other attached drawings.
Fig. 1 is the schematic perspective view of the meninx needle of the embodiment of the present invention;
Fig. 2 is the partial enlarged view in Fig. 1 at A.
Description of symbols:
10, shank;20, syringe needle;21, perforation tips;22, needle point mounting rod;23, reaming protrusion;30, holding structure;40,
Conductor wire;50, control button;60, limit assembly;70, locating piece.
Specific embodiment
Certainly, any technical solution for implementing the embodiment of the present invention must be not necessarily required to reach simultaneously above all excellent
Point.
In order to make those skilled in the art more fully understand the technical solution in the embodiment of the present invention, below in conjunction with the present invention
Attached drawing in embodiment, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described reality
Applying example only is a part of the embodiment of the embodiment of the present invention, instead of all the embodiments.Based on the implementation in the embodiment of the present invention
The range of protection of the embodiment of the present invention all should belong in example, those of ordinary skill in the art's every other embodiment obtained.
Below with reference to attached drawing of the embodiment of the present invention the embodiment of the present invention will be further explained specific implementation.
As illustrated in fig. 1 and 2, according to an embodiment of the invention, providing a kind of meninx needle comprising shank 10, is held syringe needle 20
Structure 30 and conductor wire 40 are held, holding structure 30 is set on shank 10, and syringe needle 20 is connected to one end of shank 10, and syringe needle 20
One end of separate shank 10 be perforation tips 21 for carrying out meninx perforation, at least part of syringe needle 20 be can coagulation stop
The conductive material of blood, conductor wire 40 are electrically connected with syringe needle 20, to power to syringe needle 20.
The syringe needle 20 of the meninx needle can be burnt by heating power wears meninx, to carry out meninx perforation.The perforation of syringe needle 20
Tip 21, which can make tip be easier to electric discharge, keeps piercing efficiency higher.Meanwhile syringe needle 20 is adopted using conductive material or at least part
It can be electric to being carried out at the wound of meninx using the electric conductivity of conductive material when being perforated using syringe needle 20 with conductive material
Solidifying hemostasis, with ensure can be with quick-acting haemostatic powder when perforating on meninx.Shank 10 is for installing syringe needle 20, holding structure 30 and conduction
Line 40 etc..Holding structure 30 is used to hold meninx needle for user.Conductor wire 40 is used to power to syringe needle 20, is stopped with carrying out coagulation
Blood.The meninx needle can not only rapidly carry out meninx perforation, and electric coagulation hemostasis can be carried out when being perforated, and avoid
It is inconvenient to stop blooding in existing operation, so that the problem of operation risk increases.
As shown in Figure 1, syringe needle 20 in addition to perforation tips 21, further includes needle point mounting rod 22 and reaming protrusion 23, piercing tip
The end of needle point mounting rod 22 is arranged in end 21, and reaming protrusion 23 is set on needle point mounting rod 22, and along perforation direction, reaming is convex
Play 23 rear sides for being located at perforation tips 21.
Needle point mounting rod 22 is for installing perforation tips 21 and reaming protrusion 23.The cross-sectional area of perforation tips 21 is minimum,
So that contact area is sufficiently small when it is contacted with meninx, so as to realize perforation more conveniently.23 setting of reaming protrusion exists
The rear side of perforation tips 21, to carry out reaming after perforation, so that the size in the hole being pierced by be made to can satisfy operation demand.
In conjunction with shown in Figure 2, perforation tips 21 are pyramidal structure.Reaming protrusion 23 is sphere or spheroid;Alternatively,
The circumferential surface of reaming protrusion 23 is arcwall face, so that from perforation tips 21 to the transition of reaming protrusion 23 more naturally, making reaming
It is more smooth.
In addition, reaming protrusion 23 can be made of conductive material, such as metal material, such reaming protrusion 23 is in piercing tip
End 21, which punctures, can complete reaming after meninx, and can effectively increase during using electric coagulation therapy bleeding and to connect with meninx
Contacting surface product, so that hemostasis operation be rapidly completed.
In the present embodiment, in order to guarantee reliable haemostatic effect, the surface of syringe needle is coated with conductivity ceramics coating, conduction pottery
Tissue adhesions can be effectively prevented in porcelain coating.
As shown in Figure 1, in the present embodiment, needle point mounting rod 22 with shank 10 for connecting.Shank 10 is conductive material,
And conductor wire 40 is electrically connected by shank 10 with syringe needle 20, for the power supply of syringe needle 20.
Optionally, it in order to guarantee the safety in operation, avoids 10 heating power of shank in operation galvanization and injures
Its hetero-organization is coated with insulating layer on the surface of shank 10.
The material of shank 10 can be metal, to be preferably that syringe needle 20 is powered.It certainly, may be that other can lead
The material of electricity.The insulating layer material on 10 surface of shank can according to need determination.
Holding structure 30 can be insulated handle, and insulated handle is set on shank 10, and can slide along shank 10, with side
Just user's grip and operation.Conductor wire 40 protrudes into holding structure 30, to connect with shank 10.
It should be noted that shank 10 can be retractable structure, and when holding structure 30 is slided along shank 10, shank 10
It can stretch in holding structure 30.Alternatively, shank 10 is non-telescoping structure, and when holding structure 30 is slided along shank 10, position
Change in the length of the shank 10 in holding structure 30 with mobile.
Optionally, meninx needle further includes the control button 50 for controlling syringe needle 20 and whether being powered, the part position of control button 50
In in holding structure 30, holding structure 30 is stretched out in the part of control button 50.It can control conduction by pressing control button 50
Whether it is connected between line 40 and shank 10 and syringe needle 20, and then controls whether to power on syringe needle 20.
Conductor wire 40 can be connected with Electrocoagulation equipment, when control button 50 is in pressing state, can make 10 He of shank
Conductor wire 40 is connected to, and then the electric current of Electrocoagulation equipment can be made to be transferred to shank 10 by conductor wire 40, and then reach syringe needle 20
On, when unclamp control button 50, shank 10 is not connected to conductor wire 40.
Optionally, in order to reliably limit penetration depth, guarantee perforation safety, be provided with instruction and piercing tip on shank 10
The scale of distance between end 21, in order to user's observation.
Optionally, meninx needle further includes limit assembly 60, and limit assembly 60 is arranged on holding structure 30, and has and make to hold
Hold structure 30 and the locking state being fixed to each other of shank 10 or the unlocked state for keeping holding structure 30 mobile relative to shank 10.
The structure of limit assembly 60 can according to need determination, and the present embodiment is not construed as limiting this.For example, limit assembly 60
It including holds out against screw, is threadedly coupled with holding structure 30, when the position for needing to limit holding structure 30, prevents it along shank 10
When mobile, holds out against screw is screwed, holds out against it with shank 10, to prevent holding structure 30 mobile.Spiral shell is held out against conversely, unclamping
Silk, enables holding structure 30 to move along shank 10.
Such as limit assembly 60 can also can make compression ring when screwing housing pin for compression ring and housing pin
Diameter reduces, to make fixed to prevent holding structure 30 mobile between 10 outer wall of compression ring inner wall and shank.Conversely, unscrewing
Housing pin can be such that compression ring diameter increases, holding structure 30 is enable to move along shank 10.
Optionally, meninx needle further includes locating piece 70, and locating piece 70 is connected to the close perforation tips 21 of holding structure 30
Side.Locating piece 70 can be the convex block being arranged on holding structure 30.
Locating piece 70 has the limit end face for limiting distance between perforation tips 21 and locating piece 70.Locating piece 70 is for auxiliary
Positioning is helped, locating piece 70 has with the axis of shank 10 to vertical limit plane, which can be used for convenient reading
Scale on shank 10, while the depth of needle for limiting perforation tips 21 can also be cooperated with other positioning devices.
The operating process of operation is carried out using the meninx needle are as follows:
After completing drilling operation on patient skull, meninx will be exposed to outside, and at this moment doctor only needs that brain will be held
The holding structure 30 of film needle, using the perforation tips 21 on syringe needle 20 puncture meninx (can use external force and directly puncture, can also be with
It during piercing through meninx, is constantly in the syringe needle 20 of meninx needle under energized state, and uses the power on to generate heat to burning and wear brain
Film), and reaming is completed using reaming protrusion 23 thereafter.
Such as there is bleeding situation, (can just be connect in the preoperative since the conductor wire 40 on meninx needle is connected with Electrocoagulation equipment
It is good), it is only necessary to doctor presses the control button 50 on insulated handle, and the electric current of Electrocoagulation equipment is conducted to syringe needle 20, carries out
Electric coagulation hemostasis operation, unclamp control button terminates operation of stopping blooding after completing hemostasis.
When such as encountering the operation of very high degree of precision, it can cooperate with locating piece 70, calculated in advance goes out the positioning plane of locating piece 70
To the distance of patient's meninx, position of the adjustment insulated handle on shank 10 is corresponded to by the scale on shank 10, after adjustment
Locked limit assembly 60 utilizes the mutual cooperation that plane and positioning device are positioned on insulated handle, it is ensured that the inserting needle of meninx needle is deep
Degree is in safe range.
According to another aspect of the present invention, a kind of meninx hole-drilling system is provided comprising above-mentioned meninx needle.
The meninx needle can help doctor to reduce the operation difficulty of the holes on meninx, while can quickly cope with bleeding feelings
The generation of condition is completed hemostasis operation in time, while can also be cooperated with other limiting devices, it is ensured that depth of needle is in safe model
In enclosing, reduces the operating time in this link of meninx holes, improve safety.
Those of ordinary skill in the art may be aware that list described in conjunction with the examples disclosed in the embodiments of the present disclosure
Member and method and step can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
It is implemented in hardware or software, the specific application and design constraint depending on technical solution.Professional technician
Each specific application can be used different methods to achieve the described function, but this realization is it is not considered that exceed
The range of the embodiment of the present invention.
Embodiment that the above embodiments are only used to illustrate the present invention, and the limitation not to the embodiment of the present invention, related skill
The those of ordinary skill in art field can also make various in the case where not departing from the spirit and scope of the embodiment of the present invention
Variation and modification, therefore all equivalent technical solutions also belong to the scope of the embodiment of the present invention, the patent of the embodiment of the present invention
Protection scope should be defined by the claims.
Claims (10)
1. a kind of meninx needle, which is characterized in that including shank (10), syringe needle (20), holding structure (30) and conductor wire (40), institute
It states holding structure (30) to be set on the shank (10), the syringe needle (20) is connected to one end of the shank (10), and institute
One end far from the shank (10) of syringe needle (20) is stated as the perforation tips (21) for carrying out meninx perforation, the syringe needle
(20) at least part be can electric coagulation hemostasis conductive material, the conductor wire (40) is electrically connected with the syringe needle (20), with
It powers to the syringe needle (20).
2. meninx needle according to claim 1, which is characterized in that further include needle point mounting rod (22) and reaming protrusion
(23), perforation tips (21) setting is set in institute in the end of the needle point mounting rod (22), the reaming raised (23)
It states on needle point mounting rod (22), along perforation direction, the reaming raised (23) is located at the rear side of the perforation tips (21).
3. meninx needle according to claim 2, which is characterized in that the reaming raised (23) is sphere or spheroid;
Alternatively, the circumferential surface of the reaming raised (23) is arcwall face.
4. meninx needle according to claim 1, which is characterized in that the shank (10) is conductive material, and the conduction
Line (40) is electrically connected by the shank (10) with the syringe needle (20).
5. meninx needle according to claim 1 or 4, which is characterized in that further include controlling whether the syringe needle (20) is powered
Control button (50), the part of the control button (50) is located in the holding structure (30), the control button (50)
Part stretch out the holding structure (30).
6. meninx needle according to claim 1, which is characterized in that be provided with instruction and the perforation on the shank (10)
The scale of distance between tip (21).
7. meninx needle according to claim 1, which is characterized in that the meninx needle further includes limit assembly (60), described
Limit assembly (60) be arranged on the holding structure (30), and have make the holding structure (30) and the shank (10) phase
Mutually fixed locking state or the unlocked state for keeping the holding structure (30) mobile relative to the shank (10).
8. meninx needle according to claim 1, which is characterized in that further include locating piece (70), the locating piece (70) is even
It connects in the side close to the perforation tips (21) of the holding structure (30).
9. meninx needle according to claim 8, which is characterized in that the locating piece (70), which has, limits the perforation tips
(21) between the locating piece (70) distance limit end face.
10. a kind of meninx hole-drilling system, which is characterized in that including meninx needle of any of claims 1-9.
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CN201810738925.4A CN108926384A (en) | 2018-07-06 | 2018-07-06 | Meninx needle and meninx hole-drilling system |
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CN201810738925.4A CN108926384A (en) | 2018-07-06 | 2018-07-06 | Meninx needle and meninx hole-drilling system |
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CN201810738925.4A Pending CN108926384A (en) | 2018-07-06 | 2018-07-06 | Meninx needle and meninx hole-drilling system |
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CN102631234A (en) * | 2012-04-10 | 2012-08-15 | 中国科学院昆明动物研究所 | Deep cerebral dura mater perforating device |
CN203693704U (en) * | 2014-01-15 | 2014-07-09 | 淮安市第一人民医院 | Lumbar puncture needle for radiofrequency target thermocoagulation therapy |
CN204106170U (en) * | 2014-09-03 | 2015-01-21 | 上海市普陀区中心医院 | A kind of Kirschner wire |
CN107708623A (en) * | 2015-04-14 | 2018-02-16 | 艾湾色斯公司 | Electroporation device |
CN205094559U (en) * | 2015-11-06 | 2016-03-23 | 杨金芳 | Obstetrics membrane rupturing device |
CN205163172U (en) * | 2015-11-30 | 2016-04-20 | 宜宾市第二人民医院 | Pedicle of vertebral arch is reaming awl step by step |
CN209236371U (en) * | 2018-07-06 | 2019-08-13 | 北京柏惠维康科技有限公司 | Meninx needle and meninx hole-drilling system |
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Address after: 100191 Room 501, floor 5, building 9, No. 35 Huayuan North Road, Haidian District, Beijing Applicant after: Beijing Baihui Weikang Technology Co.,Ltd. Address before: Room 502, Building No. 3, Garden East Road, Haidian District, Beijing, 100191 Applicant before: Beijing Baihui Wei Kang Technology Co.,Ltd. |
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