CN208145002U - guide screw and medical instrument - Google Patents
guide screw and medical instrument Download PDFInfo
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- CN208145002U CN208145002U CN201720795257.XU CN201720795257U CN208145002U CN 208145002 U CN208145002 U CN 208145002U CN 201720795257 U CN201720795257 U CN 201720795257U CN 208145002 U CN208145002 U CN 208145002U
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- guide screw
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Abstract
The utility model discloses a kind of guide screw and medical instruments, guide screw is for fixing Intracranical deep electrode, the guide screw includes fixed section and guide section, the tail end of the fixed section and the front end of the guide section are detachably connected, the guide screw offers the first through hole for installing the Intracranical deep electrode, the first through hole runs through the fixed section and the guide section, and the side of the guide section opens up the first through slot, and the first through hole is connected to first through slot.In this way after Intracranical deep electrode is installed by guide screw, guide section can be separated from fixed section, and it is detached from Intracranical deep electrode using the first through slot, so as to shorten the length that guide screw stretches out the position of skull, so as to reduce interference of the extraneous factor to guide screw.Intracranical deep electrode can be effectively prevent to occur in this way, and position is mobile, to ensure that the accuracy of Intracranical deep electrode detection.
Description
Technical field
The utility model relates to medical apparatus and instruments technical fields, more particularly, to a kind of guide screw and medical instrument.
Background technique
In the related art, Intracranical deep electrode is fixed in skull by the way that longer guide screw is arranged.However,
Since the length that guide screw stretches out the position of skull is longer, such guide screw is easy to be interfered and may lead by extraneous factor
Cause Intracranical deep electrode that position occurs mobile.For example, longer guide screw is easy to be touched by patient.Above situation can shadow
Ring the accuracy of Intracranical deep electrode detection.
Utility model content
The utility model aims to solve at least one of technical problem present in the relevant technologies.For this purpose, the utility model needs
A kind of guide screw and medical instrument are provided.
The guide screw of the utility model embodiment includes fixing for fixing Intracranical deep electrode, the guide screw
Section and guide section, the tail end of the fixed section and the front end of the guide section are detachably connected, and the guide screw offers
For installing the first through hole of the Intracranical deep electrode, the first through hole runs through the fixed section and the guide section, institute
The side for stating guide section opens up the first through slot, and the first through hole is connected to first through slot.
In the guide screw of the utility model embodiment, since guide section is detachably connected with fixed section, and
And the side of guide section offers the first through slot being connected to first through hole, is pacified in this way in Intracranical deep electrode by guide screw
After dress, guide section can be separated from fixed section, and be detached from Intracranical deep electrode using the first through slot, so as to shorten guide screw
The length at the position of skull is stretched out, so as to reduce interference of the extraneous factor to guide screw.Encephalic can be effectively prevent deep in this way
Position movement occurs for portion's electrode, to ensure that the accuracy of Intracranical deep electrode detection.
In some embodiments, the first thread segment is formed on the outer surface of the front end of the fixed section.
In some embodiments, coordination slot is formed on the outer surface at the middle part of the fixed section.
In some embodiments, the tail end of the fixed section is equipped with rectangular opening portion.
In some embodiments, the guide screw includes locking cap, when the guide section is separated from the fixed section
Afterwards, the locking cap is mounted on the tail end of the fixed section, and the side of the locking cap offers the second through slot, and described second is logical
Slot is connected to the first through hole, and the locking cap offers the second through-hole, and second through-hole is connected to the first through hole and institute
The second through slot is stated, the length of the locking cap is less than the length of the guide section.
In some embodiments, the second thread segment, the fixation are formed on the outer surface of the tail end of the fixed section
The inside of cap is formed with internal screw thread, and the internal screw thread is cooperatively connected with second thread segment so that the locking cap is detachable
Ground is mounted on the tail end of the fixed section.
In some embodiments, one layer of elastic layer is formed on the outer surface of the locking cap.
In some embodiments, the guide screw includes the rope for connecting with electroence phalograph connector, the rope
Length be less than the Intracranical deep electrode conducting wire length.
In some embodiments, the range of the width of the opening of first through slot is in 0.85-1mm.
In some embodiments, the range of the length of the guide screw is in 1-4.5cm.
In some embodiments, the guide screw is in cylindrical shape, and the first through hole is in cylindrical shape, described to lead
To screw outer diameter range in 1.5-3.5mm, the range of the diameter of the first through hole is in 0.5-2mm.
In some embodiments, the ontology of the guide screw is by stainless steel material, titanium alloy material or platinumiridio
One of material or a variety of compositions, the ontology include the fixed section and the guide section.
The medical instrument of the utility model embodiment includes Intracranical deep electrode and as described in above-mentioned any embodiment
Guide screw, the Intracranical deep electrode wears the first through hole.
In the medical instrument of the utility model embodiment, since guide section is detachably connected with fixed section, and
And the side of guide section offers the first through slot being connected to first through hole, is pacified in this way in Intracranical deep electrode by guide screw
After dress, guide section can be separated from fixed section, and be detached from Intracranical deep electrode using the first through slot, so as to shorten guide screw
The length at the position of skull is stretched out, so as to reduce interference of the extraneous factor to guide screw.Encephalic can be effectively prevent deep in this way
Position movement occurs for portion's electrode, to ensure that the accuracy of Intracranical deep electrode detection.
The additional aspect and advantage of the utility model embodiment will be set forth in part in the description, partially will be under
Become obvious in the description in face, or is recognized by the practice of the utility model.
Detailed description of the invention
In description of the above-mentioned and/or additional aspect and advantage of the utility model from combination following accompanying drawings to embodiment
It will be apparent and be readily appreciated that, wherein：
Fig. 1 is the structural schematic diagram of the guide screw of the utility model embodiment.
Fig. 2 is another structural schematic diagram of the guide screw of the utility model embodiment.
Fig. 3 is the diagrammatic cross-section of the guide screw of the utility model embodiment.
Fig. 4 is the structural schematic diagram of the fixed section of the guide screw of the utility model embodiment.
Fig. 5 is the structural schematic diagram of the medical instrument of the utility model embodiment.
Main element symbol description：
100 in medical instrument；
Guide screw 10, fixed section 11, the first thread segment 111, coordination slot 112, opening portion 113, the second thread segment 114,
Guide section 12, the first through slot 121, first through hole 13, locking cap 14, the second through slot 141, the second through-hole 142, cord 15, encephalic
Depth electrode 20, conducting wire 21.
Specific embodiment
The embodiments of the present invention is described below in detail, the example of the embodiment is shown in the accompanying drawings, wherein
Same or similar label indicates same or similar element or element with the same or similar functions from beginning to end.Lead to below
It crosses the embodiment being described with reference to the drawings to be exemplary, is only used for explaining the utility model, and should not be understood as practical to this
Novel limitation.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside",
The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise " be based on the orientation or positional relationship shown in the drawings, be only for
Convenient for description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have specifically
Orientation is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " first ",
" second " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or implicitly indicates indicated technology
The quantity of feature.Define " first " as a result, the feature of " second " can explicitly or implicitly include it is one or more
The feature.The meaning of " plurality " is two or more in the description of the present invention, unless otherwise clearly specific
It limits.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection.It can be mechanical connection, be also possible to be electrically connected.Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements or the interaction relationship of two elements.For those of ordinary skill in the art and
Speech, can understand the concrete meaning of above-mentioned term in the present invention as the case may be.
Fig. 1-Fig. 4 is please referred to, the guide screw 10 of the utility model embodiment is for fixing Intracranical deep electrode 20.It leads
It include fixed section 11 and guide section 12 to screw 10.The tail end of fixed section 11 and the front end of guide section 12 are detachably connected.It leads
The first through hole 13 for installing Intracranical deep electrode 20 is offered to screw 10.First through hole 13 is through fixed section 11 and guiding
Section 12.The side of guide section 12 opens up the first through slot 121.First through hole 13 is connected to the first through slot 121.
In the guide screw 10 of the utility model embodiment, since guide section 12 is removably to connect with fixed section 11
It connects, and the side of guide section 12 offers the first through slot 121 being connected to first through hole 13, in this way in Intracranical deep electrode 20
After being installed by guide screw 10, guide section 12 can be separated from fixed section 11, and be detached from intracranial deep using the first through slot 121
Electrode 20, so as to shorten the length that guide screw 10 stretches out the position of skull, so as to reduce extraneous factor to guide screw
10 interference.It can effectively prevent Intracranical deep electrode 20 that position occurs so mobile, to ensure that Intracranical deep electrode 20 is examined
The accuracy of survey.
It should be noted that guide section 12 has the function of guiding to Intracranical deep electrode 20, Intracranical deep electrode may make
20 can successfully protrude into skull.It, can be first by fixed section 11 in Intracranical deep electrode 20 fixed by guide screw 10
Front end is torqued-up in skull, then guide section 12 can be mounted on to the tail end of fixed section 11 again, then can be by Intracranical deep electrode
20 pass through first through hole 13.Under the effect of guide section 12, the front end of Intracranical deep electrode 20 can swimmingly be protruded into skull, and
Intracranical deep electrode 20 can move back and forth along first through hole 13.After Intracranical deep electrode 20 protrudes into the predetermined position in skull,
Guide section 12 can be separated from fixed section 11, and be detached from Intracranical deep electrode 20 using the first through slot 121, so as to shorten leading
The length at the position of skull is stretched out to screw 10.
In some embodiments, the first thread segment 111 is formed on the outer surface of the front end of fixed section 11.
In this way, fixed section 11 can be torqued-up in skull by the first thread segment 111 to be fixed in skull.It improves in this way
Guide screw 10 is fixed on the stability in skull.
In some embodiments, coordination slot 112 is formed on the outer surface at the middle part of fixed section 11.
In this way, coordination slot 112 can be used for cooperating with spanner.It, can in this way when carrying out the installation or removal of guide screw 10
Cooperated by coordination slot 112 and spanner to improve the stability of operation.
For example, can first make spanner block coordination slot 112, then again when separating guide section 12 from fixed section 11
Guide section 12 is separated from fixed section 11, can prevent from causing fixed section 11 mobile due to overexerting in this way.
In some embodiments, the tail end of fixed section 11 is equipped with rectangular opening portion 113.
In this way, in fixed guide screw 10, it can be by screwdriver clamping opening portion 113 so that the front end of fixed section 11
It is torqued-up in skull, is more easily implemented fixation in this way, and improve the stability of operation.
In some embodiments, guide screw 10 includes locking cap 14.After guide section 12 is separated from fixed section 11, Gu
Determine the tail end that cap 14 is mounted on fixed section 11.The side of locking cap 14 offers the second through slot 141.Second through slot 141 connection the
One through-hole 13.Locking cap 14 offers the second through-hole 142.Second through-hole 142 is connected to first through hole 13 and the second through slot 141.Gu
The length for determining cap 14 is less than the length of guide section 12.
In this way, guide section 12 is after the separation of fixed section 11, in the position situation about not moving for keeping Intracranical deep electrode 20
Under, using the second through slot 141 Intracranical deep electrode 20 is protruded into the second through-hole 142, so that locking cap 14 may make to pacify
Mounted in the tail end of fixed section 11, such locking cap 14 can play the role of protection, and can prevent the cerebrospinal fluid of encephalic from flowing out.Again
Have, since the length of locking cap 14 is less than the length of guide section 12, can avoid the whole portion for stretching out skull of guide screw 10 in this way
The length of position is too long.
In addition, keeping the conducting wire 21 of Intracranical deep electrode 20 can be stretched out by the second through-hole 142, and can be realized with external equipment
Connection, to realize that data are transmitted.
In some embodiments, the width d2 of the opening of the second through slot 141 is greater than or equal to the opening of the first through slot 121
Width d1.
In this way, in this way convenient for protruding into Intracranical deep electrode 20 in second through-hole 142 using the second through slot 141, thus
It can guarantee the stability of the position of Intracranical deep electrode 20.
In some embodiments, the second thread segment 114 is formed on the outer surface of the tail end of fixed section 11.Locking cap 14
Inside be formed with internal screw thread (not shown go out).Internal screw thread is cooperatively connected with the second thread segment 114 so that locking cap 14 is removable
It is mounted on the tail end of fixed section 11 with unloading.
In this way, internal screw thread and the mode of the second thread segment 114 cooperation may make locking cap 14 to be stably installed at fixed section
On 11 tail end, thus can avoid causing 20 appearance position of Intracranical deep electrode mobile since locking cap 14 is fixed unstable, from
And it ensure that the safety in utilization of Intracranical deep electrode 20.
In some embodiments, one layer of elastic layer (not shown go out) is formed on the outer surface of locking cap 14.
In this way, the conducting wire 21 that Intracranical deep electrode 20 stretches out 142 part of the second through-hole can be buffered by elastic layer, so as to keep away
Exempt from conducting wire 21 to contact firmly with locking cap 14, then ensure that the bend resistance ability of Intracranical deep electrode 20.
In some embodiments, elastic layer wraps cap 14.In this way, locking cap 14 is mounted on fixed section 11
When on tail end, elastic layer also can avoid locking cap 14 and contact firmly with fixed section 11, consequently facilitating the installation of locking cap 14.
In some embodiments, elastic layer is made of soft rubber material or soft plastic material.In this way, elastic layer has
There is biggish elasticity, buffer capacity is more preferably.
In some embodiments, locking cap 14 is structure as a whole, and locking cap 14 is by soft rubber material or soft plastics
Material is constituted.In this way, being convenient for the manufacture and processing of locking cap 14, and the lighter weight of locking cap 14, to can reduce fixation
Cap 14 acts on the pressure of skull, so as to reduce influence of the locking cap 14 to skull.
In some embodiments, guide screw 10 includes the rope 15 for connecting with electroence phalograph connector.Rope 15
Length is less than the length of the conducting wire 21 of Intracranical deep electrode 20.
In this way, cord 15 can buffer function power when by external traction force.It is deep to can avoid directly drawing encephalic in this way
The conducting wire 21 of portion's electrode 20, so that the position that can avoid Intracranical deep electrode 20 is moved.The conducting wire of Intracranical deep electrode 20
21 for connecting with electroence phalograph connector to carry out data transmission.
In some embodiments, the range of the width d1 of the opening of the first through slot 121 is in 0.85-1mm.
In this way, the outer diameter of the width and Intracranical deep electrode 20 of the opening of the first through slot 121 is closer to, both can guarantee in this way
Intracranical deep electrode 20 can be successfully detached from by the first through slot 121, will not also be due to the width mistake of the opening of the first through slot 121
Other are caused to adversely affect (such as outflow of cerebrospinal fluid) greatly.
In some instances, the width d1 of the opening of the first through slot 121 is 0.85mm, 0.90mm, 0.95mm or 1mm.It needs
It is noted that the value of the width d1 of the opening of the first through slot 121 is not limited to above-mentioned cited value.
In some embodiments, the range of the length d3 of guide screw 10 is in 1-4.5cm.
In this way, the setting of the length of guide screw 10 is moderate, both the conducting wire 21 of Intracranical deep electrode 20 can guarantee not in this way
It will appear bending phenomenon, can also shorten the length that guide screw 10 stretches out the position of skull, so as to reduce extraneous factor to leading
Interference to screw 10.
In some instances, the length d3 of guide screw 10 1cm, 1.5cm, 2.0cm, 2.5cm, 3.0cm, 3.5cm,
4.0cm or 4.5cm.It should be noted that the value of the length d3 of guide screw 10 is not limited to above-mentioned cited value.
In some embodiments, guide screw 10 is in cylindrical shape, and the range of the outside diameter d 4 of guide screw 10 is in 1.5-
3.5mm。
In this way, the setting of the outer diameter of guide screw 10 is moderate, lesser hole location, Ji Keshi need to be only opened up on skull in this way
The fixation of existing guide screw 10.
In some instances, the outside diameter d 4 of guide screw 10 is 1.5mm, 2.0mm, 2.5mm, 3.0mm or 3.5mm.It needs
Illustrate, the value of the outside diameter d 4 of guide screw 10 is not limited to above-mentioned cited value.
In some embodiments, first through hole 13 is in cylindrical shape.The range of the diameter of first through hole 13 is in 0.5-
2mm。
In this way, the size setting of first through hole 13 is moderate, it can both guarantee that Intracranical deep electrode 20 can be successfully in this way
Protrude into first through hole 13, and will not also because first through hole 13 it is oversized due to cause the position of Intracranical deep electrode 20 unstable
It is fixed.
In some instances, the diameter of first through hole 13 is 0.5mm, 1.0mm, 1.5mm or 2.0mm.It should be noted that
The value of the diameter of first through hole 13 is not limited to above-mentioned cited value.
In some embodiments, the ontology of guide screw 10 is by stainless steel material, titanium alloy material or platinumiridio material
One of material or a variety of compositions.Ontology includes fixed section 11 and guide section 12.
In this way, guide screw 10 is whole to have stronger structural strength.And since ontology is by stainless steel material, titanium alloy
One of material or platinumiridio material or a variety of compositions, improve the versatility of guide screw 10 in this way, and are oriented to spiral shell
The harm of 10 pairs of human bodies of silk is small.
It should be noted that guide screw 10 is mainly can be by stainless steel material, titanium alloy material or platinumiridio material
One of or a variety of compositions.For example, in one example, guide screw 10 is mainly made of stainless steel material, i.e. fixed section
11 and guide section 12 be mainly made of stainless steel material.
Certainly, guide screw 10 include locking cap 14 when, locking cap 14 can also by stainless steel material, titanium alloy material or
One of platinumiridio material or a variety of compositions.
In some instances, ontology includes titanium alloy material or platinumiridio material.In this way, guide screw 10 in this way can be real
It is compatible under existing magnetic resonance.
Incorporated by reference to Fig. 4, the medical instrument of the utility model embodiment includes Intracranical deep electrode 20 and as any of the above-described
Guide screw 10 described in embodiment, Intracranical deep electrode 20 wear first through hole 13.
100 in the medical instrument of the utility model embodiment, since guide section 12 and fixed section 11 are removably
Connection, and the side of guide section 12 offers the first through slot 121 being connected to first through hole 13, in this way in Intracranical deep electrode
After 20 are installed by guide screw 10, guide section 12 can be separated from fixed section 11, and be detached from encephalic depth using the first through slot 121
Portion's electrode 20, so as to shorten the length that guide screw 10 stretches out the position of skull, so as to reduce extraneous factor to guiding spiral shell
The interference of silk 10.It can effectively prevent Intracranical deep electrode 20 that position movement occurs in this way, to ensure that Intracranical deep electrode 20
The accuracy of detection.
In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or it
"lower" may include that the first and second features directly contact, and also may include that the first and second features are not direct contacts but lead to
Cross the other characterisation contact between them.Moreover, fisrt feature includes above the second feature " above ", " above " and " above "
One feature is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.First is special
Sign is directly below and diagonally below the second feature including fisrt feature under the second feature " below ", " below " and " below ", or only
Indicate that first feature horizontal height is less than second feature.
Following disclosure provides many different embodiments or example is used to realize the different structure of the utility model.
In order to simplify the disclosure of the utility model, hereinafter the component of specific examples and setting are described.Certainly, they are only
Example, and purpose does not lie in limitation the utility model.In addition, the utility model can in different examples repeat reference numerals
And/or reference letter, this repetition are for purposes of simplicity and clarity, itself not indicate discussed various embodiments
And/or the relationship between setting.In addition, the example of various specific techniques and material that the utility model provides, but this
Field those of ordinary skill can be appreciated that the application of other techniques and/or the use of other materials.
In the description of this specification, reference term " embodiment ", " some embodiments ", " schematically implementation
The description of mode ", " example ", " specific example " or " some examples " etc. means embodiment or example is combined to describe specific
Feature, structure, material or feature are contained at least one embodiment or example of the utility model.In this specification
In, schematic expression of the above terms are not necessarily referring to identical embodiment or example.Moreover, the specific spy of description
Sign, structure, material or feature can be combined in any suitable manner in any one or more embodiments or example.
While there has been shown and described that the embodiments of the present invention, those skilled in the art can manage
Solution：A variety of to the progress of these embodiments can change in the case where not departing from the principles of the present invention and objective, modify,
Replacement and variant, the scope of the utility model are defined by the claims and their equivalents.
Claims (13)
1. a kind of guide screw, for fixing Intracranical deep electrode, which is characterized in that the guide screw includes fixed section and leads
To section, the tail end of the fixed section and the front end of the guide section are detachably connected, and the guide screw is offered for pacifying
The first through hole of the Intracranical deep electrode is filled, the first through hole runs through the fixed section and the guide section, the guiding
The side of section opens up the first through slot, and the first through hole is connected to first through slot.
2. guide screw as described in claim 1, which is characterized in that be formed on the outer surface of the front end of the fixed section
One thread segment.
3. guide screw as described in claim 1, which is characterized in that be formed with and match on the outer surface at the middle part of the fixed section
Position slot.
4. guide screw as described in claim 1, which is characterized in that the tail end of the fixed section is equipped with rectangular opening portion.
5. guide screw as described in claim 1, which is characterized in that the guide screw includes locking cap, when the guiding
Section is after fixed section separation, and the locking cap is mounted on the tail end of the fixed section, and the side of the locking cap offers
Second through slot, second through slot are connected to the first through hole, and the locking cap offers the second through-hole, and second through-hole connects
Lead to the first through hole and second through slot, the length of the locking cap is less than the length of the guide section.
6. guide screw as claimed in claim 5, which is characterized in that be formed on the outer surface of the tail end of the fixed section
Two thread segments, the inside of the locking cap are formed with internal screw thread, the internal screw thread and second thread segment be cooperatively connected so that
Obtain the tail end that the locking cap is removably mounted on the fixed section.
7. guide screw as claimed in claim 5, which is characterized in that be formed with one layer of bullet on the outer surface of the locking cap
Property layer.
8. guide screw as described in claim 1, which is characterized in that the guide screw includes for connecting with electroence phalograph
The rope of head connection, the length of the rope are less than the length of the conducting wire of the Intracranical deep electrode.
9. guide screw as described in claim 1, which is characterized in that the range of the width of the opening of first through slot exists
0.85-1mm。
10. guide screw as described in claim 1, which is characterized in that the range of the length of the guide screw is in 1-
4.5cm。
11. guide screw as described in claim 1, which is characterized in that the guide screw is in cylindrical shape, and described first is logical
Hole is in cylindrical shape, and in 1.5-3.5mm, the range of the diameter of the first through hole exists the range of the outer diameter of the guide screw
0.5-2mm。
12. guide screw as described in claim 1, which is characterized in that the ontology of the guide screw is by stainless steel material, titanium
One of alloy material or platinumiridio material or a variety of compositions, the ontology include the fixed section and the guide section.
13. a kind of medical instrument, which is characterized in that including Intracranical deep electrode and the described in any item guiding of claim 1-12
Screw, the Intracranical deep electrode wear the first through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720795257.XU CN208145002U (en) | 2017-07-03 | 2017-07-03 | guide screw and medical instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720795257.XU CN208145002U (en) | 2017-07-03 | 2017-07-03 | guide screw and medical instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208145002U true CN208145002U (en) | 2018-11-27 |
Family
ID=64412192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720795257.XU Active CN208145002U (en) | 2017-07-03 | 2017-07-03 | guide screw and medical instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208145002U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109481017A (en) * | 2018-12-24 | 2019-03-19 | 北京华科恒生医疗科技有限公司 | Guide screw and co-registration of coordinate systems used method |
| CN110545720A (en) * | 2019-07-17 | 2019-12-06 | 诺尔医疗（深圳）有限公司 | anti-bending intracranial electrode manufacturing method, intracranial deep electrode and electroencephalograph |
-
2017
- 2017-07-03 CN CN201720795257.XU patent/CN208145002U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109481017A (en) * | 2018-12-24 | 2019-03-19 | 北京华科恒生医疗科技有限公司 | Guide screw and co-registration of coordinate systems used method |
| CN110545720A (en) * | 2019-07-17 | 2019-12-06 | 诺尔医疗（深圳）有限公司 | anti-bending intracranial electrode manufacturing method, intracranial deep electrode and electroencephalograph |
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Denomination of utility model: Guide screw and medical device Effective date of registration: 20220104 Granted publication date: 20181127 Pledgee: Shenzhen hi tech investment small loan Co.,Ltd. Pledgor: NUOER MEDICAL (SHENZHEN) Co.,Ltd. Registration number: Y2021980017454 |