CN206443738U - A kind of combined spinal epidural puncture needle that there is three-dimensional to be relatively fixed the rotatable wing - Google Patents
A kind of combined spinal epidural puncture needle that there is three-dimensional to be relatively fixed the rotatable wing Download PDFInfo
- Publication number
- CN206443738U CN206443738U CN201621149587.3U CN201621149587U CN206443738U CN 206443738 U CN206443738 U CN 206443738U CN 201621149587 U CN201621149587 U CN 201621149587U CN 206443738 U CN206443738 U CN 206443738U
- Authority
- CN
- China
- Prior art keywords
- puncture needle
- needle
- wing
- dimensional
- relatively fixed
- 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.)
- Expired - Fee Related
Links
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model is related to a kind of combined spinal epidural puncture needle that there is three-dimensional to be relatively fixed the rotatable wing, the rotatable wing is relatively fixed by being arranged with three-dimensional on lumbar anaesthesia puncture needle, the specific three-dimensional is relatively fixed the rotatable wing, can cause lumbar anaesthesia puncture needle in top cylindrical hole not only can with it is laterally free rotation but also can be relatively fixed on needle body longitudinal direction.The utility model had both solved current lumbar anaesthesia puncture needle and had been punctured with after breakthrough sense, there is the problem of patient can not be drawn back into cerebrospinal fluid, anesthetist is facilitated spinal needle side opening is more entered cavum subarachnoidale in the case where not increasing spinal needle paracentesis depth, or the depth that controllably atomic small increase spinal needle enters, spinal needle side opening is set to reach cavum subarachnoidale, avoid lumbar anaesthesia puncture needle from putting the too deep damage cauda equina nerve of pin, reduce unnecessary risk；It can realize and simplify in structure again, economically be applicable, the large-scale promotion application suitable for market.
Description
Technical field
The utility model relates to intravertebral anesthesia puncture needle, and in particular to be it is a kind of there is three-dimensional to be relatively fixed can
The combined spinal epidural puncture needle of rotary wings.
Background technology
Combined spinal epidural puncture needle is the medicine equipment that combined spinal-epidural anesthesia is operated with, and it is by anesthesia spinal needle and lumbar anesthesia
Puncture needle two parts are constituted, and its method in clinical application is：Anesthesia spinal needle is used alone first and carries out epidural puncture, success
Backed off after random anesthesia spinal needle inner core, lumbar anaesthesia puncture needle is inserted in anesthesia spinal needle and entered, and has breakthrough to stop entering after feeling
Lumbar anaesthesia puncture needle, exits lumbar anaesthesia puncture needle inner core, and observation is injected lumbar anesthesia medicine by lumbar anaesthesia puncture needle after having cerebrospinal fluid outflow
Cavum subarachnoidale, exits dura mater Puncture Tube after lumbar anaesthesia puncture needle, completes intravertebral anesthesia operation.The operation seems simple, but
Extremely strong practical experience is needed, current combined puncturing needle at least has following defect：
First, in clinical position, existing combined spinal-epidural punctures bag, when combined spinal-epidural is punctured successfully, and lumbar anesthesia is punctured
Pin is completely nested anesthesia spinal needle, and lumbar anaesthesia puncture needle can combine closely with anesthesia spinal needle, is carrying out resorption or injection medicine
In thing operating process, both positions easily can be fixedly secured by anesthetist, and lumbar anaesthesia puncture needle will not be in epidural puncture
Pin internal shift, when some patient's combined spinal-epidural is punctured successfully, lumbar anaesthesia puncture needle can not fit with anesthesia spinal needle, dura mater
There is certain distance between the handle and spinal needle handle of outer puncture needle, it is very inconvenient that anesthetist left hand fixes two pins, it is impossible to enters
The preferable position of row is fixed.
Secondly, after epidural puncture success, it is inserted in lumbar anaesthesia puncture needle in anesthesia spinal needle into after there is breakthrough to feel,
A part of patient can be with much smoother cerebrospinal fluid of seeing in resorption, and a part of spinal anesthesia in patients lancet puncture has after breakthrough sense,
Resorption can not be drawn back into cerebrospinal fluid, and now anesthetist needs atomic forward small to insert lumbar anaesthesia puncture needle, or atomic small rotation
Turn lumbar anaesthesia puncture needle, allow lumbar anaesthesia puncture needle front end side opening accurately to reach subarachnoid space, needed very in the operating process
It is patient and careful, if lumbar anaesthesia puncture needle is shifted laterally lumbar anesthesia medicine may be caused to leak into epidural space, cause anesthesia imitate
It is really poor, if the inwardly displaced pin of putting of lumbar anaesthesia puncture needle may excessively touch cauda equina nerve, cause patients' neural to damage, cause
Serious malpractice.
3rd, in the prior art, someone is further probed into also for above mentioned problem, however its design scheme compared with
For complexity, it is related to excessive operating process and has used complex mechanical structure, even with electronic installation etc., and
Puncture needle is as the common appliance of anesthesia surgery, and on the one hand somewhat complex design increase the difficulty of operation, also improve device
Cost of manufacture, be not easy to large-scale promotion and use.
It can be seen that, in the prior art, made or anesthesia spinal needle and lumbar anaesthesia puncture needle are carried out into more easy separation
After work, then it is combined and is arranged operation, situation about using can not be flexibly fixed by above-mentioned anesthetist easily occur, increase doctor
Operation difficulty, reduce anesthesia surgery success rate, increase patient pain；Occur in that complex the combining of design is worn
Pricker, using various buckles, locking, unblock even electronic installation etc., both easily there are extra abnormal conditions in complicated design
Also medical treatment cost is significantly increased, in the market promotion effect is general.Lacked a kind of solution drawbacks described above in the market both
Economic and practical waist is choked combined puncturing needle.
Utility model content
For technological deficiency present in prior art, it is rotatable that there is the utility model offer one kind three-dimensional to be relatively fixed
The combined spinal epidural puncture needle of the wing.Both solve current lumbar anaesthesia puncture needle to be punctured with after breakthrough sense, and there is patient can not be drawn back into cerebrospinal fluid
The problem of, facilitate anesthetist spinal needle side opening is more entered spider web in the case where not increasing spinal needle paracentesis depth
Hypostegal cavity, or the depth that controllably atomic small increase spinal needle enters, make spinal needle side opening reach cavum subarachnoidale, it is to avoid
Lumbar anaesthesia puncture needle puts the too deep damage cauda equina nerve of pin, reduces unnecessary risk；It can realize and simplify in structure again, economically fit
With the large-scale promotion application suitable for market.
To achieve these goals, the utility model is to be achieved through the following technical solutions：
A kind of combined spinal epidural puncture needle that there is three-dimensional to be relatively fixed the rotatable wing, the combined spinal epidural puncture needle is at least wrapped
The sliding groove being provided with anesthesia spinal needle and lumbar anaesthesia puncture needle, the anesthesia spinal needle both sides along needle body longitudinal direction has been included,
Characterized in that, three-dimensional is arranged with the lumbar anaesthesia puncture needle is relatively fixed the rotatable wing, the three-dimensional is relatively fixed rotatable
A top cylindrical hole and two side fixed-wings are provided with the wing, the top cylindrical borehole jack is located at the pin of the lumbar anaesthesia puncture needle
Waist is more carefully located, and there is minim gap between the top cylindrical hole inwall and pin waist so that the lumbar anaesthesia puncture needle is described
It can be not only relatively fixed in top cylindrical hole with laterally free rotation but also on needle body longitudinal direction；
During the lumbar anaesthesia puncture needle insertion anesthesia spinal needle, described two side fixed-wings can be in the anesthesia spinal needle
Both sides sliding groove in correspondence slide.
The combined spinal epidural puncture needle that three-dimensional is relatively fixed the rotatable wing is had according to above-mentioned, it is characterised in that the waist
The pin waist of numb puncture needle is thinner two ends gradually thick double back taper structures in the middle of one, and the diameter in the top cylindrical hole is slightly larger than described in
The diameter that lumbar anaesthesia puncture needle pin waist is most carefully located.
The combined spinal epidural puncture needle that three-dimensional is relatively fixed the rotatable wing is had according to above-mentioned, it is characterised in that the waist
Numb puncture needle pin waist most carefully locates diameter of section than the small 5%-8% of top cylindrical bore dia.
The combined spinal epidural puncture needle that three-dimensional is relatively fixed the rotatable wing is had according to above-mentioned, it is characterised in that described two
The end of side fixed-wing is additionally provided with pressing block, and the medial surface of the pressing block carries out salient point or rough reveals processing.
The combined spinal epidural puncture needle that three-dimensional is relatively fixed the rotatable wing is had according to above-mentioned, it is characterised in that described to press
Press the thickness of block more than the thickness at non-pushed block on the side fixed-wing, the thickness of the pressing block is slightly larger than described
Thickness on the depth of sliding groove, the side fixed-wing at non-pushed block is less than the depth of the sliding groove.
The combined spinal epidural puncture needle that three-dimensional is relatively fixed the rotatable wing is had according to above-mentioned, it is characterised in that described to press
It is two times of thickness at non-pushed block on the side fixed-wing to press the thickness of block, and the thickness of the pressing block compares institute
State the big 30%-40% of depth dimensions of sliding groove.
A kind of application method according to the above-mentioned combined spinal epidural puncture needle that there is three-dimensional to be relatively fixed the rotatable wing, it is special
Levy and be, when lumbar anaesthesia puncture needle insert anesthesia spinal needle Position Approximate when, user pinned with left hand side fixed-wing it is non-by
Press other positions of stopper portions or side fixed-wing to carry out inserting needle longitudinally inward to finely tune, when lumbar anaesthesia puncture needle is finely tuned to accurate position
When putting, left hand is pinned at the end pressing block of side fixed-wing, so as to lumbar anaesthesia puncture needle and anesthesia spinal needle be carried out close
Laminating is fixed, it is impossible to relatively moved, then carries out the horizontal rotation of lumbar anaesthesia puncture needle with the right hand, by lumbar anaesthesia puncture needle needle point
Side outlet finally rotation to need accurate angle, completed with pin.
Above-mentioned that there is three-dimensional to be relatively fixed the combined spinal epidural puncture needle of the rotatable wing after special design, lumbar anesthesia is punctured
There is a stop pressing structure side fixed-wing front end of pin, the depth that both can have easily controlled spinal needle puncture needle to insert, and causes again
Certain space can be retained between fixed-wing and groove, do not influence to break through the appearance felt, breaking through after sense occurs easily to make
Fixed-wing is brought into close contact with groove.After needle body is relatively fixed, Anesthetist still can be by rotating the angle of lumbar anaesthesia puncture needle
Degree carries out accurate adjustment to needle point side outlet.In addition, there is length scale chi the outer surface of the rotatable fixed-wing of lumbar anaesthesia puncture needle,
It can determine that lumbar anaesthesia puncture needle protrudes anesthesia spinal needle with the dial markings on anesthesia spinal needle handle by comparing it long
Degree, while also can easily adjust the depth that increase lumbar anaesthesia puncture needle puts pin.The utility model not only realizes above-mentioned advantage
Operating effect, it is economic and practical also with extremely simple structure, it is easy to marketing.
Brief description of the drawings
Fig. 1 a are the front view of the utility model combined puncturing needle；
Fig. 1 b are the oblique view of the utility model combined puncturing needle；
Fig. 2 is the side view of the utility model combined puncturing needle anesthesia spinal needle, top view；
Fig. 3 is enlarged drawing of the utility model combined puncturing needle side fixed-wing in sliding groove；
Fig. 4 is combined puncturing needle lumbar anaesthesia puncture needle side view of the present utility model and mplifying structure schematic diagram.
Embodiment
Below in conjunction with the accompanying drawings to the specific embodiment party of the combined spinal epidural puncture needle of the rotatable fixed-wing of band of the present utility model
Formula is further described.
As shown in Figures 1 to 4, the utility model provides a kind of stiffness of waist in children that there is three-dimensional to be relatively fixed rotatable wing connection
Suitable pricker, the joint pricker of wearing includes anesthesia spinal needle 10 and the two parts of lumbar anaesthesia puncture needle 20, and the lumbar anesthesia is punctured
Three-dimensional has been wholely set on pin 20 and has been relatively fixed the rotatable wing 30, three-dimensional, which is relatively fixed on the rotatable wing 30, is provided with a top circle
Post holes（Not shown in figure）And two side fixed-wings 31, top cylindrical borehole jack is located at the pin waist 21 of the lumbar anaesthesia puncture needle 20
Relatively thin place, it is possible to understand that, describe in such as accompanying drawing 4, the generally a pair of inverted cone-shaped structure of pin waist 21, middle is thinner, two
End is gradually thick, there is minim gap between the top cylindrical hole inwall and pin waist, in practical operation, the lumbar anesthesia can be caused to wear
Pricker can be not only relatively fixed with laterally free rotation but also on needle body longitudinal direction in the top cylindrical hole, be solved
It can not certainly realize lumbar anaesthesia puncture needle 20 when front and rear fixed the problem of fine setting rotation in puncture process in the prior art.In spider
When nethike embrane cavity of resorption injects lumbar anesthesia medicine, anesthetist can be made before lumbar anaesthesia puncture needle by rotating the main pin of lumbar anaesthesia puncture needle
Different directions are pointed in side hole, lumbar anesthesia medicine is reached different positions, realize accurately anaesthetic effect.
The diameter in the top cylindrical hole is slightly larger than the diameter that the pin waist of lumbar anaesthesia puncture needle 20 is most carefully located, further,
To realize more preferably operating effect, it is preferable to, the most thin place's diameter of section of lumbar anaesthesia puncture needle pin waist 21 is than the top cylindrical
The small 5%-8% of bore dia, can reach splendid operating handle.
With reference in accompanying drawing 3, three-dimensional is relatively fixed two side fixed-wings 31 of the rotatable both sides of the wing 30, in lumbar anaesthesia puncture needle 20
When inserting anesthesia spinal needle 10, described two side fixed-wings 31 can be in the both sides sliding groove 11 of the anesthesia spinal needle 10
Correspondence is slided, and length scales are provided with the long handle of side fixed-wing 31（Do not mark）.With reference to accompanying drawing 2, the anesthesia spinal needle
10 by needle handle, needle handle both sides sliding groove 11 and the dial markings that are arranged in groove.Wherein dial markings are grown with side fixed-wing 31
When the instruction line of length scales is overlapped on handle, the front end of lumbar anaesthesia puncture needle and the outlet alignment of anesthesia spinal needle now can roots
Determine that lumbar anaesthesia puncture needle protrudes the length of anesthesia spinal needle according to the number of division in length scales.Long scale can also be passed through simultaneously
Chi come control lumbar anaesthesia puncture needle increase enter depth.The terminal position of two side fixed-wings 31 is provided with pressing block 32, presses
The medial surface of pressure block 32 carry out salient point or it is rough reveal processing, the thickness of pressing block, which is more than non-pushed on the side fixed-wing, to be kept off
Thickness at block, the thickness of the pressing block 32 is slightly larger than non-on the depth of the sliding groove 11, the side fixed-wing 31 press
The thickness at block is pressed to be less than the depth of the sliding groove 11, further, the thickness of pressing block 32 is fixed for the side
On the wing two times of thickness at non-pushed block, the thickness of the pressing block 32 is bigger than the depth dimensions of the sliding groove 11
30%-40%, it is possible to achieve preferably operate with impression.
In the utility model, anesthesia spinal needle groove is placed on to the front of anesthesia spinal needle handle, convenient anesthesia doctor
Teacher can easily fix lumbar anaesthesia puncture needle and anesthesia spinal needle in operation.
The utility model has the three-dimensional combined spinal epidural puncture needle for being relatively fixed the rotatable wing when in use, individually makes first
Epidural puncture is carried out with anesthesia spinal needle, lumbar anaesthesia puncture needle is inserted in dura mater by success backed off after random anesthesia spinal needle inner core
Enter in outer puncture needle, when lumbar anaesthesia puncture needle is passed before anesthesia spinal needle advances, the side fixed-wing long handle meeting of lumbar anaesthesia puncture needle
The groove slides forwards of embedded anesthesia spinal needle needle handle, have to break through to press by the stop of lumbar anaesthesia puncture needle front end after sense and tie
Structure, which stops lumbar anaesthesia puncture needle, prevents it from traveling further into, and left hand is taken advantage of a situation inwardly to be somebody's turn to do from the outside of barrier structure while pressing both sides
Structure is brought into close contact the inner surface of side fixed-wing long handle and the surface of groove, and anesthesia spinal needle groove is placed on into Epidural cavity wears
The front of pricker handle, anesthetist can easily fix lumbar anaesthesia puncture needle and anesthesia spinal needle in operation.Exit waist
The inner core of numb puncture needle, observation has cerebrospinal fluid outflow, and lumbar anesthesia medicine is injected arachnoid by right hand syringe by lumbar anaesthesia puncture needle
Cavity of resorption, exits lumbar anaesthesia puncture needle, conventional dura mater Puncture Tube.If it is emphasized that exiting anencephaly ridge after lumbar anaesthesia puncture needle inner core
Liquid is flowed out, and the situation can be solved by two methods：
Method one：When lumbar anaesthesia puncture needle breaks through endorchis, the side opening of lumbar anaesthesia puncture needle may also be not reaching to arachnoid
Under, now due to the frictional force between lumbar anaesthesia puncture needle and endorchis, endorchis is biased toward the veutro of patient, and shape occurs for endorchis
Become, now do not increasing lumbar anaesthesia puncture needle into the case of depth, arrow can be reduced by rotating the main pin of lumbar anaesthesia puncture needle
The frictional force in shape face, endorchis elastical retraction, the side opening of lumbar anaesthesia puncture needle can smoothly reach cavum subarachnoidale.
Method two：Flow back out when the method by method one still can not see cerebrospinal fluid, now can suitably increase waist
The depth that numb puncture needle enters, according to the scale of length scales, the stop pressing structure of the side fixed-wing front end of lumbar anaesthesia puncture needle
The depth that the increase lumbar anaesthesia puncture needle of controllability enters, it is to avoid lumbar anaesthesia puncture needle enters too deep, damages cauda equina nerve.
Based on above-mentioned, the utility model when in use, utilizes the stop work(of the stop pressing structure of lumbar anaesthesia puncture needle front end
It can prevent lumbar anaesthesia puncture needle from entering too deep, it is to avoid injured nerve, while stopping pressing structure using lumbar anaesthesia puncture needle front end
Pressing function be brought into close contact the fixed-wing and groove of spinal needle, lumbar anaesthesia puncture needle can be fixed on Epidural cavity securely and worn
On pricker, the presence of the stop pressing structure can increase the gap between fixed-wing and groove, it is to avoid due to fixed-wing with it is recessed
The frictional influence of groove breaks through the perception of sense.The spinfunction of the rotatable fixed-wing of lumbar anaesthesia puncture needle, which can be realized, does not increase lumbar anesthesia
Puncture needle makes the side opening of lumbar anaesthesia puncture needle front end smoothly enter cavum subarachnoidale in the case of entering depth, it is to avoid anesthesia wind
Danger, while rotatable function under its rigid condition provides the facility to different directions injection to anesthetist, realizes essence
Quasi- anesthesia.The use of length scales on lumbar anaesthesia puncture needle fixed-wing has no the feelings of cerebrospinal fluid backflow after can occurring breaking through sense
Controllably increase the depth of lumbar anaesthesia puncture needle entrance under condition, it is to avoid excessively increase the depth of puncture needle, reduce injured nerve
Risk.
Claims (6)
1. a kind of combined spinal epidural puncture needle that there is three-dimensional to be relatively fixed the rotatable wing, the combined spinal epidural puncture needle at least includes
There is anesthesia spinal needle（10）And lumbar anaesthesia puncture needle（20）, the anesthesia spinal needle（10）It is provided with both sides along needle body longitudinal direction
Sliding groove（11）, it is characterised in that
The lumbar anaesthesia puncture needle（20）On be arranged with three-dimensional and be relatively fixed the rotatable wing（30）, the three-dimensional is relatively fixed rotatable
The wing（30）On be provided with a top cylindrical hole and two side fixed-wings（31）, the top cylindrical borehole jack is located at the lumbar anesthesia and wears
Pricker（20）Pin waist（21）Relatively thin place, the top cylindrical hole inwall and pin waist（21）Between there is minim gap so that
The lumbar anaesthesia puncture needle（20）In the top cylindrical hole not only can with it is laterally free rotation but also can be on needle body longitudinal direction
It is relatively fixed；
The lumbar anaesthesia puncture needle（20）Insert anesthesia spinal needle（10）When, described two side fixed-wings（31）Can be in the dura mater
Outer puncture needle（10）Both sides sliding groove（11）Interior correspondence is slided.
2. the combined spinal epidural puncture needle according to claim 1 that there is three-dimensional to be relatively fixed the rotatable wing, it is characterised in that
The lumbar anaesthesia puncture needle（20）Pin waist（21）For the gradually thick double back taper structures of thinner two ends in the middle of one, the three-dimensional is relatively solid
The fixed rotatable wing（30）The diameter in top cylindrical hole is slightly larger than the lumbar anaesthesia puncture needle（20）The diameter that pin waist is most carefully located.
3. the combined spinal epidural puncture needle according to claim 2 that there is three-dimensional to be relatively fixed the rotatable wing, it is characterised in that
The lumbar anaesthesia puncture needle（20）Pin waist most carefully locates diameter of section than the small 5%-8% of top cylindrical bore dia.
4. the combined spinal epidural puncture needle according to claim 1 that there is three-dimensional to be relatively fixed the rotatable wing, it is characterised in that
The both sides fixed-wing（31）End be additionally provided with pressing block（32）, the medial surface progress salient point or rough of the pressing block
Reveal processing.
5. the combined spinal epidural puncture needle according to claim 4 that there is three-dimensional to be relatively fixed the rotatable wing, it is characterised in that
The pressing block（32）Thickness be more than the side fixed-wing（31）Thickness at upper non-pushed block, the pressing block
（32）Thickness be slightly larger than the sliding groove（11）Depth, the thickness on the side fixed-wing at non-pushed block is less than described
Sliding groove（11）Depth.
6. the combined spinal epidural puncture needle according to claim 5 that there is three-dimensional to be relatively fixed the rotatable wing, it is characterised in that
The pressing block（32）Thickness be the side fixed-wing（31）Two times of thickness at upper non-pushed block, the pressing block
（32）Thickness than the sliding groove（11）The big 30%-40% of depth dimensions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621149587.3U CN206443738U (en) | 2016-10-24 | 2016-10-24 | A kind of combined spinal epidural puncture needle that there is three-dimensional to be relatively fixed the rotatable wing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621149587.3U CN206443738U (en) | 2016-10-24 | 2016-10-24 | A kind of combined spinal epidural puncture needle that there is three-dimensional to be relatively fixed the rotatable wing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206443738U true CN206443738U (en) | 2017-08-29 |
Family
ID=59661245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621149587.3U Expired - Fee Related CN206443738U (en) | 2016-10-24 | 2016-10-24 | A kind of combined spinal epidural puncture needle that there is three-dimensional to be relatively fixed the rotatable wing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206443738U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106618686A (en) * | 2016-10-24 | 2017-05-10 | 常熟市第人民医院 | Combined spinal anaesthesia and dura mater puncture needle with three-dimensional relatively-fixed rotatable wing |
-
2016
- 2016-10-24 CN CN201621149587.3U patent/CN206443738U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106618686A (en) * | 2016-10-24 | 2017-05-10 | 常熟市第人民医院 | Combined spinal anaesthesia and dura mater puncture needle with three-dimensional relatively-fixed rotatable wing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US2922420A (en) | Epidural needle | |
| US9226769B2 (en) | Railway lumbar combined puncturing needle | |
| CN104000639B (en) | The adjustable nerve block of puncturing head punctures catheter needle | |
| WO2014015648A1 (en) | Nerve blocking indwelling catheter needle with resistance measurement device | |
| CN104887297B (en) | Needle-guide positioner special for internal arteriovenous fistula puncture | |
| CN210124828U (en) | Puncture device for interventional therapy of cardiology | |
| CN206443738U (en) | A kind of combined spinal epidural puncture needle that there is three-dimensional to be relatively fixed the rotatable wing | |
| CN204501943U (en) | Spininess hair style absorption entry needle | |
| WO2020191807A1 (en) | Puncture needle assembly and balloon catheter kit | |
| CN106618686A (en) | Combined spinal anaesthesia and dura mater puncture needle with three-dimensional relatively-fixed rotatable wing | |
| CN206151544U (en) | Visual epidural anesthesia orientation inspect of indication makes up external member | |
| CN201939453U (en) | Parallel combined spinal-epidural integrated needle | |
| CN213606745U (en) | Multi-cavity puncture needle based on ultrasonic guidance | |
| CN206080651U (en) | Binary channels sound wave guide epidural puncture needle | |
| CN209032563U (en) | A kind of nerve block needle | |
| CN201230891Y (en) | Lumbar puncture needle | |
| CN107495989A (en) | Multiple spot puncture needle for testicle | |
| CN207694061U (en) | A kind of anesthetic tube | |
| CN209475342U (en) | A kind of combined spinal epidural puncture needle | |
| CN209107517U (en) | Spinal needle with guidance and relative limit function | |
| CN206063208U (en) | A kind of Thoracolumbar disk percutaneous puncture device | |
| CN205458942U (en) | Improved special sacral canal puncture needle | |
| CN203139334U (en) | Multi-point scattering anesthetic syringe needle | |
| CN210811404U (en) | Guiding and positioning device for intravertebral anesthesia puncture needle | |
| CN207785253U (en) | Lumbar anesthesia puncture needle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170829 Termination date: 20191024 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |