CN208404783U - A quick and safe accurately combined puncturing needle - Google Patents
A quick and safe accurately combined puncturing needle Download PDFInfo
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- CN208404783U CN208404783U CN201721546199.3U CN201721546199U CN208404783U CN 208404783 U CN208404783 U CN 208404783U CN 201721546199 U CN201721546199 U CN 201721546199U CN 208404783 U CN208404783 U CN 208404783U
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- needle
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- arc groove
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- stalk
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Abstract
The utility model relates to a quick and safe accurately combined puncturing needles, including epidural puncture needle and anestetic needle；Other side setting by the needle stalk in puncture needle ontology relative to the first opening axially obstructs parallel arc groove with needle, arc groove is designed as the structure that radial section is major arc, when sliding anestetic needle in arc groove, the arc groove of major arc structure can wrap anestetic needle, offset out anestetic needle will not under muscle resistance outside arc groove, keep anestetic needle quick, safety, accurately entered in cavum subarachnoidale by arc groove, the wound generated to arachnoid due to anestetic needle is departing from above-mentioned first opening position, when being inserted into segmental epidural catheter into puncture needle chamber body, segmental epidural catheter will not be mistakenly inserted in cavum subarachnoidale by above-mentioned wound, effectively increase safety and the accuracy of anesthesia, avoid the generation of malpractice.
Description
Technical field
It is the utility model relates to spinal epidural cavity and cavum subarachnoidale combined anesthesia technical field of tools, in particular to a
Quick and safe accurately combined puncturing needle.
Background technique
Traditional spinal epidural cavity and cavum subarachnoidale combined anesthesia mode is inserted at the syringe needle by anesthesia spinal needle
Then anestetic needle is punctured pin inner chamber via epidural, is inserted into spider under the guide of epidural puncture needle by spinal epidural cavity
Nethike embrane cavity of resorption, to inject arcotic into cavum subarachnoidale.After the completion of arcotic injection, need to exit anestetic needle, then will
Segmental epidural catheter is inserted by the inner cavity of epidural puncture needle, along epidural under the guide of epidural puncture needle
The opening of the syringe needle of puncture needle is pierced by, and into spinal epidural cavity, is then exited epidural puncture needle again, is completed endorchis
Exocoel and the operation of cavum subarachnoidale combined anesthesia.
Above-mentioned traditional endorchis and cavum subarachnoidale combined anesthesia mode have the following problems: since anestetic needle is being pierced into
When cavum subarachnoidale injection, wound can be generated to arachnoid, and wound is the front that epidural punctures pin inner chamber, is being anaesthetized
Needle is completed injection and is exited, during anesthetic tube outside hard is punctured pin inner chamber insertion spinal epidural cavity by epidural, hard
Outer anesthetic tube may be inserted into cavum subarachnoidale along the wound of arachnoid, and cannot can smoothly enter into spinal epidural cavity
In, it may cause serious malpractice.
Utility model content
The technical problem to be solved by the utility model is to provide a quick and safe accurately combined puncturing needles, solve
The outer anesthetic tube of hard existing for traditional endorchis and cavum subarachnoidale combined anesthesia mode is difficult to can smoothly enter into endorchis
The problems in exocoel.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model are as follows: it is accurate to provide a quick and safe
Combined puncturing needle, including epidural puncture needle and anestetic needle；
The epidural puncture needle includes outer puncture needle ontology and arc groove；Puncture needle ontology includes puncturing pintle, wearing
Pricker stalk and needle tip, the puncture needle stalk is tubulose, described one end for puncturing pintle and being socketed on puncture needle stalk, the puncture
The other end of needle stalk is provided with needle tip, and the needle tip is elbow, and the needle tip is provided with the first opening, described
First opening is located at the side of puncture needle stalk, and the other side of the puncture needle stalk is provided with and anestetic needle stalk lateral gap cooperation
Arc groove, axial parallel, the diameter of the axial direction of the arc groove and the arc groove that the axial direction of the arc groove is obstructed with puncture needle
It is major arc to section.
The utility model has the beneficial effects that: the utility model relates to quick and safe accurately combined puncturing needle structure
In, the other side setting by the needle stalk in puncture needle ontology relative to the first opening axially obstructs parallel arc groove with needle, will
Arc groove is designed as the structure that radial section is major arc, when sliding anestetic needle in arc groove, the arc groove energy of major arc structure
Enough wrap anestetic needle, offset out anestetic needle will not under muscle resistance outside arc groove, enable anestetic needle precisely, it is quick,
It is safely entered in cavum subarachnoidale by arc groove, the wound generated to arachnoid due to anestetic needle is departing from above-mentioned first
Be open position, and when being inserted into segmental epidural catheter into puncture needle chamber body, segmental epidural catheter will not be by upper
It states and is mistakenly inserted in cavum subarachnoidale at wound, effectively increase safety and the accuracy of anesthesia, avoid the generation of malpractice.
Detailed description of the invention
Fig. 1 is the sectional view of a quick and safe accurately combined puncturing needle of specific embodiment of the present invention；
Fig. 2 is the part-structure sectional view of a quick and safe accurately combined puncturing needle of the utility model embodiment 2；
Fig. 3 is the part-structure sectional view of a quick and safe accurately combined puncturing needle of the utility model embodiment 3；
Fig. 4 is that the part-structure of a quick and safe accurately combined puncturing needle of specific embodiment of the present invention shows
It is intended to；
Fig. 5 be specific embodiment of the present invention a quick and safe accurately combined puncturing needle second limit dress
The structural schematic diagram set；
Fig. 6 is the anesthesia needle construction of a quick and safe accurately combined puncturing needle of specific embodiment of the present invention
Schematic diagram；
Fig. 7 is the puncture needle ontology of a quick and safe accurately combined puncturing needle of specific embodiment of the present invention
Structural schematic diagram；
Fig. 8 is the structural representation of a quick and safe accurately combined puncturing needle of specific embodiment of the present invention
Figure；
Fig. 9 be specific embodiment of the present invention a quick and safe accurately combined puncturing needle truncation after part
Structural schematic diagram；
Label declaration:
1, epidural puncture needle；11, arc groove；12, pintle is punctured；13, puncture needle obstructs；14, needle tip；15,
One opening；16, the first limiting device；2, anestetic needle；21, the second opening；
22, the second limiting device.
Specific embodiment
For technology contents, the objects and the effects that the utility model is described in detail, below in conjunction with embodiment and match
Attached drawing is closed to be explained.
The design of the utility model most critical is: by the needle stalk in puncture needle ontology relative to the another of the first opening
Side setting is axial to obstruct parallel arc groove with needle, and arc groove is designed as the structure that radial section is major arc, makes anestetic needle in arc
In shape slot when sliding, the arc groove of major arc structure can wrap anestetic needle, offset out anestetic needle will not under muscle resistance
Outside arc groove.
Fig. 1 to Fig. 9 is please referred to, the utility model relates to a quick and safe accurately combined puncturing needles, including endorchis
Outer puncture needle 1 and anestetic needle 2；
The epidural puncture needle 1 includes outer puncture needle ontology and arc groove 11；Puncture needle ontology includes puncturing pintle
12, puncture needle stalk 13 and needle tip 14, the puncture needle stalk 13 are tubulose, and the puncture pintle 12 is socketed on puncture needle stalk 13
One end, the other end of puncture needle stalk 13 is provided with needle tip 14, and the needle tip 14 is elbow, the puncture needle
Point 14 is provided with the first opening 15, and first opening 15 is located at the side of puncture needle stalk 13, the puncture needle stalk 13 it is another
Side is provided with the arc groove 11 for obstructing lateral gap cooperation with anestetic needle 2, the axis of axial direction and the puncture needle stalk 13 of the arc groove 11
To parallel, the radial section of the axial direction of the arc groove 11 and the arc groove 11 is major arc.
Above-mentioned quick and safe accurately combined puncturing needle working principle explanation: accurately join when using above-mentioned quick and safe
When suitable pricker anaesthetizes patient, puncture needle ontology is first inserted into spinal epidural cavity from vertebra gap, makes low easy opening
In spinal epidural cavity, anestetic needle 2 is then inserted into vertebra gap along arc groove 11, is pierced under the guidance of arc groove 11
In cavum subarachnoidale, 2 bolt of anestetic needle is connected by syringe, to inject arcotic into cavum subarachnoidale, is infused in arcotic
After the completion of penetrating, anestetic needle 2 is exited, segmental epidural catheter is inserted into the inner cavity of puncture needle ontology, segmental epidural catheter is suitable
The bent angle of needle tip 14 and the first opening 15 enter in endorchis inner cavity, then exit puncture needle, lead caudal anaesthesia
Pipe one end is embedded in spinal epidural cavity, is used for continuous injection arcotic, until removing after operation.
The beneficial effect of above-mentioned quick and safe accurately combined puncturing needle is: the utility model relates to quick and safe essence
In quasi- combined puncturing needle structure, by the needle stalk in puncture needle ontology relative to the first opening 15 other side setting it is axial with
Needle obstructs parallel arc groove 11, and arc groove 11 is designed as the structure that radial section is major arc, makes anestetic needle 2 in arc groove 11
When sliding, the arc groove 11 of major arc structure can wrap anestetic needle 2, and anestetic needle 2 is made not offset out arc under muscle resistance
Outside shape slot 11, anestetic needle 2 is set precisely, fast, safely to enter in cavum subarachnoidale by arc groove 11, due to anesthesia
The wound that needle 2 generates arachnoid is hard being inserted into puncture needle chamber body departing from 15 positions of above-mentioned first opening
Outside film when anesthetic tube, segmental epidural catheter will not be mistakenly inserted in cavum subarachnoidale by above-mentioned wound, effectively increase fiber crops
Liquor-saturated safety and accuracy, avoids the generation of malpractice.
Further, accurately in combined puncturing needle structure, the puncture needle obstructs 13 outside portions and opens up above-mentioned quick and safe
There is arc groove 11.
As one of embodiment of arc groove 11, directly obstructs 13 outside portions in puncture needle and opens up out arc groove 11,
It in the actual processing process, can be in 11 edge of the arc groove setting protrusion opened up in order to be easily worked out the arc groove 11 of major arc
Protective edge.
Further, for above-mentioned quick and safe accurately in combined puncturing needle structure, the puncture needle obstructs the connection of 13 lateral walls
There is the arc groove 11 being independently arranged.
As one of embodiment of arc groove 11,13 lateral walls fluting is not obstructed in puncture needle, using independent arc
Shape slot 11 is set to complete puncture needle and obstructs 13 side walls.
Further, above-mentioned quick and safe is accurately in combined puncturing needle structure, the puncture needle stalk 13 with puncture pintle
One end of 12 connections is provided with the first limiting device 16.
It is usually one end injection molding obstructed in needle due to puncturing pintle 12, limit is not arranged for traditional puncture needle end
Device, therefore after being molded pintle, needs to obstruct 13 connecting pin injecting glue in puncture needle to be auxiliarily fixed, there are the risk of leak adhesive,
Mode is auxiliarily fixed instead of injecting glue by the first limiting device 16 of connecting pin setting in puncture needle stalk 13 in the utility model,
Avoid the risk of leak adhesive；Puncture needle end can be struck out polygonal cylinder by mold by above-mentioned first limiting device 16, can also
Limited block is arranged in the side of 2 end of anestetic needle.
Further, for above-mentioned quick and safe accurately in combined puncturing needle structure, first limiting device 16 is setting
In the limited block of anestetic needle 2 stalk and the side of 2 bolt connecting pin of anestetic needle.
Further, for above-mentioned quick and safe accurately in combined puncturing needle structure, the needle end of the anestetic needle 2 is circular cone
Shape, the needle end side of the anestetic needle 2 are provided with the second opening 21.
Due to the utility model relates to quick and safe accurately combined puncturing needle, since the radial direction of above-mentioned arc groove 11 is cut
Face is major arc, when moving anestetic needle 2 in arc groove 11, has obtained stable limit, will not shift, therefore not having to will
The needle end of anestetic needle 2 is designed to beak-like, and its veutro portion is bonded arc groove 11；The utility model is by the needle of anestetic needle 2
Header terminal design be cone, when moving anestetic needle 2 in arc groove 11, without the concern for syringe needle towards the problem of, improve
The efficiency of the injection operation of medical staff.
Further, above-mentioned quick and safe is accurately in combined puncturing needle structure, the needle stalk and anestetic needle of the anestetic needle 2
One end of 2 pintle connection is provided with the second limiting device 22.
Since the pintle of anestetic needle 2 is usually one end injection molding obstructed in needle, there is no be arranged at traditional 2 end of anestetic needle
Limiting device, therefore after being molded pintle needs to be auxiliarily fixed in 2 connecting pin injecting glue of anestetic needle, there are the risk of leak adhesive, this
Utility model is auxiliarily fixed mode instead of injecting glue, avoids by the way that the second limiting device 22 is arranged in the end that anestetic needle 2 obstructs
The risk of leak adhesive；2 end of anestetic needle can be struck out polygonal cylinder by mold by above-mentioned second limiting device 22, can also be in fiber crops
Limited block is arranged in the side at liquor-saturated 2 end of needle.
Further, for above-mentioned quick and safe accurately in combined puncturing needle structure, second limiting device 22 is setting
Polygonal cylinder in 2 one end of anestetic needle.
Further, above-mentioned quick and safe is accurately in combined puncturing needle structure, the side setting for puncturing pintle 12
There is guiding needle guard 17, the guiding needle guard 17 is equipped with the cylindrical hole with 2 clearance fit of anestetic needle, the axial direction of the cylindrical hole
It is in the same plane with the axial direction of arc groove 11.
By puncture pintle 12 side setting guiding needle guard 17, due to guiding needle guard 17 cylindrical hole axial direction with
The axial direction of arc groove 11 is in the same plane, and after so that anestetic needle 2 is passed through cylindrical hole, is smoothly imported in arc groove 11.
Further, above-mentioned quick and safe is accurately in combined puncturing needle structure, the circular through hole of the guiding needle guard 17
Upper end is provided with flare openings.
By the way that flare openings are arranged in the circular through hole upper end of guiding needle guard 17, facilitate the point of anestetic needle 2 quickly through leading
Enter in arc groove 11 to needle guard 17, further improves the working efficiency of medical staff's anesthesia procedure.
Embodiment 1
A quick and safe accurately combined puncturing needle, including epidural puncture needle 1 and anestetic needle 2；The endorchis
Outer puncture needle 1 includes outer puncture needle ontology and arc groove 11；Puncture needle ontology includes puncturing pintle 12, puncture needle stalk 13 and puncturing
Needle point 14, the puncture needle stalk 13 is tubulose, described one end for puncturing pintle 12 and being socketed on puncture needle stalk 13, the puncture needle stalk
13 other end is provided with needle tip 14, and the needle tip 14 is elbow, and the needle tip 14 is provided with the first opening
15, first opening 15 is located at the side of puncture needle stalk 13, and the other side of the puncture needle stalk 13 is provided with to be obstructed with anestetic needle 2
The arc groove 11 of lateral gap cooperation, the axial direction of the arc groove 11 obstruct 13 axial parallel, the arc groove 11 with puncture needle
Axial direction and the arc groove 11 radial section be major arc；The needle end of the anestetic needle 2 is cone, the anestetic needle 2
Needle end side be provided with the second opening 21.
Embodiment 2
Accurately combined puncturing needle, the puncture needle obstruct 13 outside portions and offer the quick and safe that a kind of embodiment 1 describes
Arc groove 11.As one of embodiment of arc groove 11, directly obstructs 13 outside portions in puncture needle and opens up out arc groove 11,
It in the actual processing process, can be in 11 edge of the arc groove setting protrusion opened up in order to be easily worked out the arc groove 11 of major arc
Protective edge.
Embodiment 3
Accurately combined puncturing needle, the puncture needle obstruct 13 outside portions and offer the quick and safe that a kind of embodiment 1 describes
Arc groove 11.As one of embodiment of arc groove 11, directly obstructs 13 outside portions in puncture needle and opens up out arc groove 11,
It in the actual processing process, can be in 11 edge of the arc groove setting protrusion opened up in order to be easily worked out the arc groove 11 of major arc
Protective edge.
Embodiment 4
A kind of quick and safe that embodiment 1 describes accurately combined puncturing needle, the puncture needle stalk 13 with puncture pintle 12
One end of connection is provided with the first limiting device 16；First limiting device 16 is to be set to the stalk of anestetic needle 2 and 2 bolt of anestetic needle
The limited block of the side of connecting pin.
Embodiment 5
A kind of quick and safe that embodiment 1 describes accurately combined puncturing needle, needle stalk and the anestetic needle 2 of the anestetic needle 2
Pintle connection one end be provided with the second limiting device 22；Second limiting device 22 is that 2 one end of anestetic needle is arranged in
Polygonal cylinder.
Embodiment 6
Accurately combined puncturing needle, the side for puncturing pintle 12 are provided with the quick and safe that a kind of embodiment 1 describes
Be oriented to needle guard 17, the guiding needle guard 17 is equipped with cylindrical hole with 2 clearance fit of anestetic needle, the axial direction of the cylindrical hole with
The axial direction of arc groove 11 is in the same plane, and the circular through hole upper end of the guiding needle guard 17 is provided with flare openings.
In conclusion quick and safe provided by the utility model is accurately in combined puncturing needle structure, by puncture needle
The needle stalk of ontology axially obstructs parallel arc groove with needle relative to the other side setting of the first opening, and arc groove is designed as radial direction
Section is the structure of major arc, and when sliding anestetic needle in arc groove, the arc groove of major arc structure can wrap anestetic needle, make
Anestetic needle will not be offset out outside arc groove under muscle resistance, enable anestetic needle quick, safety, accurately by arc groove into
Enter into cavum subarachnoidale, wound arachnoid generated due to anestetic needle departing from above-mentioned first opening position, to
When being inserted into segmental epidural catheter in puncture needle chamber body, segmental epidural catheter will not be mistakenly inserted spider web by above-mentioned wound
In hypostegal cavity, safety and the accuracy of anesthesia are effectively increased, the generation of malpractice is avoided；Due to the utility model relates to
Quick and safe accurately combined puncturing needle make anestetic needle in arc groove since the radial section of above-mentioned arc groove is major arc
When mobile, stable limit is obtained, will not have been shifted, therefore has not had to the needle end of anestetic needle being designed to beak-like, and
Its veutro portion is bonded arc groove；The needle end of anestetic needle is designed as cone by the utility model, makes anestetic needle in arc groove
When interior mobile, without the concern for syringe needle towards the problem of, improve medical staff injection operation efficiency and precision.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Equivalents made based on the specification and figures of the utility model are applied directly or indirectly in relevant technology neck
Domain is also included in the patent protection scope of the utility model.
Claims (10)
1. a quick and safe accurately combined puncturing needle, which is characterized in that including epidural puncture needle and anestetic needle；
The epidural puncture needle includes outer puncture needle ontology and arc groove；Puncture needle ontology includes puncturing pintle, puncture needle
Stalk and needle tip, the puncture needle stalk is tubulose, described one end for puncturing pintle and being socketed on puncture needle stalk, the puncture needle stalk
The other end be provided with needle tip, the needle tip is elbow, and the needle tip is provided with the first opening, described first
Opening is located at the side of puncture needle stalk, and the other side of the puncture needle stalk is provided with the arc with anestetic needle stalk lateral gap cooperation
The axial direction of slot, the arc groove obstructs axial parallel, the radial direction section of the axial direction of the arc groove and the arc groove with puncture needle
Face is major arc.
2. quick and safe according to claim 1 accurately combined puncturing needle, which is characterized in that puncture needle stalk outside
Portion offers arc groove.
3. quick and safe according to claim 1 accurately combined puncturing needle, which is characterized in that puncture needle stalk outside
Wall is connected with the arc groove being independently arranged.
4. quick and safe according to claim 1 accurately combined puncturing needle, which is characterized in that the puncture needle stalk and wear
Pricker tethers the one end connect and is provided with the first limiting device.
5. quick and safe according to claim 4 accurately combined puncturing needle, which is characterized in that first limiting device
For the limited block for being set to anestetic needle stalk and the side of anestetic needle bolt connecting pin.
6. quick and safe according to claim 1 accurately combined puncturing needle, which is characterized in that the syringe needle of the anestetic needle
End is cone, and the needle end side of the anestetic needle is provided with the second opening.
7. quick and safe according to claim 1 accurately combined puncturing needle, which is characterized in that the needle of the anestetic needle obstructs
The one end connecting with the pintle of anestetic needle is provided with the second limiting device.
8. quick and safe according to claim 7 accurately combined puncturing needle, which is characterized in that second limiting device
For the polygonal cylinder that anestetic needle one end is arranged in.
9. quick and safe according to claim 1 accurately combined puncturing needle, which is characterized in that the side for puncturing pintle
Portion is provided with guiding needle guard, and the guide pin is arranged with the cylindrical hole with anestetic needle clearance fit, the axis of the cylindrical hole
It is in the same plane to the axial direction with arc groove.
10. quick and safe according to claim 9 accurately combined puncturing needle, which is characterized in that the guiding needle guard
Circular through hole upper end is provided with flare openings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721546199.3U CN208404783U (en) | 2017-11-17 | 2017-11-17 | A quick and safe accurately combined puncturing needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721546199.3U CN208404783U (en) | 2017-11-17 | 2017-11-17 | A quick and safe accurately combined puncturing needle |
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| Publication Number | Publication Date |
|---|---|
| CN208404783U true CN208404783U (en) | 2019-01-22 |
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ID=65128152
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721546199.3U Active CN208404783U (en) | 2017-11-17 | 2017-11-17 | A quick and safe accurately combined puncturing needle |
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| CN (1) | CN208404783U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107736924A (en) * | 2017-11-17 | 2018-02-27 | 戴志福 | A quick and safe accurately combined puncturing needle |
-
2017
- 2017-11-17 CN CN201721546199.3U patent/CN208404783U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107736924A (en) * | 2017-11-17 | 2018-02-27 | 戴志福 | A quick and safe accurately combined puncturing needle |
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