CN209475342U - A kind of combined spinal epidural puncture needle - Google Patents
A kind of combined spinal epidural puncture needle Download PDFInfo
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- CN209475342U CN209475342U CN201822040979.1U CN201822040979U CN209475342U CN 209475342 U CN209475342 U CN 209475342U CN 201822040979 U CN201822040979 U CN 201822040979U CN 209475342 U CN209475342 U CN 209475342U
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- needle
- puncture needle
- lumbar anaesthesia
- lumbar
- epidural
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Abstract
The utility model relates to a kind of combined spinal epidural puncture needles, it includes anesthesia spinal needle and lumbar anaesthesia puncture needle, the lumbar anaesthesia puncture needle can be plugged into the anesthesia spinal needle, the anesthesia spinal needle includes epidural puncture syringe needle, epidural puncture needle stand and the connecting tube being fixedly arranged on the epidural puncture needle stand, the connecting tube outer end is equipped with flange, compressed spring, connection ring and cricoid limit plate are arranged in the connecting tube from outside to inside, the connection ring internal diameter is greater than the connection pipe outside diameter.The lumbar anaesthesia puncture needle includes lumbar anaesthesia puncture needle head and lumbar anaesthesia puncture needle seat, and several connecting rods are hinged on the lumbar anaesthesia puncture needle seat, and the connecting rod free end is fixed together with the connection ring, is additionally provided with guide post one on the lumbar anaesthesia puncture needle seat.Needle core is equipped in the lumbar anaesthesia puncture needle, the needle core is equipped with needle core handle, and the needle core handle is equipped with guide post two.
Description
Technical field
The utility model relates to field of medical auxiliary equipment more particularly to a kind of combined spinal epidural puncture needles.
Background technique
Combined spinal epidural puncture needle is the medical instrument that combined spinal-epidural anesthesia operates with, by anesthesia spinal needle and lumbar anesthesia
Puncture needle two parts composition, method in clinical application are as follows: exclusive use anesthesia spinal needle carries out epidural puncture, success first
Lumbar anaesthesia puncture needle is inserted in anesthesia spinal needle afterwards and is entered, stops entering lumbar anaesthesia puncture needle after having breakthrough to feel, exits lumbar anesthesia and wear
Pricker inner core is observed and lumbar anesthesia drug is injected cavum subarachnoidale by lumbar anaesthesia puncture needle after having cerebrospinal fluid outflow, exits lumbar anesthesia and wear
Dura mater Puncture Tube after pricker completes intravertebral anesthesia operation.The operation seems simply, however needs extremely strong practical experience, when
Preceding combined puncturing needle at least has following defects that
Firstly, existing combined spinal-epidural punctures packet in clinical position, when combined spinal-epidural punctures successfully, lumbar anesthesia is punctured
Needle 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 object operating process, what anesthetist can be convenient is fixedly secured the two position, and lumbar anaesthesia puncture needle will not be in epidural puncture
Needle internal shift, when some patient's combined spinal-epidural is punctured successfully, lumbar anaesthesia puncture needle cannot be bonded 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 needles, Bu Nengjin
The preferable position of row is fixed.
Secondly, be inserted in anesthesia spinal needle in lumbar anaesthesia puncture needle into after there is breakthrough to feel after epidural puncture success,
A part of patient can be much smoother in resorption see cerebrospinal fluid, after a part of spinal anesthesia in patients puncture needle is punctured with breakthrough sense,
Resorption can not be drawn back into cerebrospinal fluid, and anesthetist needs atomic small merging lumbar anaesthesia puncture needle or atomic small rotation forward at this time
Turn lumbar anaesthesia puncture needle, allows lumbar anaesthesia puncture needle front end side opening accurately to reach subarachnoid space, needed very in the operating process
Patience and careful, if lumbar anaesthesia puncture needle shift outward and may cause lumbar anesthesia drug and leak into epidural space, lead to anesthesia effect
Fruit is poor, if the inwardly displaced needle of setting of lumbar anaesthesia puncture needle may excessively touch cauda equina nerve, causes patients' neural to damage, causes
Serious malpractice.
After in the prior art or anesthesia spinal needle and lumbar anaesthesia puncture needle being carried out more easy separating making, then
It is combined and is arranged operation, the case where above-mentioned anesthetist can not flexibly fix use easily occur, increase the operation of doctor
Difficulty reduces the success rate of anesthesia surgery, increases the pain of patient；There is the more complicated combined puncturing needle of design,
Using various lockings, unlock even electronic device etc., complicated design had both been easy to appear additional abnormal conditions or had greatly increased
Medical treatment cost is added, promotion effect is general in the market.Lack currently on the market and a kind of solves the not only economic but also practical of drawbacks described above
Combined spinal epidural puncture needle.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of structures to be simple and convenient to operate, position easily fixes
Combined spinal epidural puncture needle.
To solve the above problems, technical solution adopted in the utility model is:
A kind of combined spinal epidural puncture needle comprising anesthesia spinal needle and lumbar anaesthesia puncture needle, the lumbar anaesthesia puncture needle can be inserted
Enter into the anesthesia spinal needle, the anesthesia spinal needle includes epidural puncture syringe needle, epidural puncture needle stand and consolidates
Connecting tube on the epidural puncture needle stand, the connecting tube outer end are equipped with flange, in the connecting tube from outside to inside
It is arranged with compressed spring, connection ring and cricoid limit plate, the connection ring internal diameter is greater than the connection pipe outside diameter；
The lumbar anaesthesia puncture needle includes lumbar anaesthesia puncture needle head and lumbar anaesthesia puncture needle seat, is hinged on the lumbar anaesthesia puncture needle seat
Several connecting rods, the connecting rod free end are fixed together with the connection ring, are additionally provided with and lead on the lumbar anaesthesia puncture needle seat
Xiang Zhuyi；
Needle core is equipped in the lumbar anaesthesia puncture needle, the needle core is equipped with needle core handle, and the needle core handle is equipped with and leads
To column two.
As a further improvement of the utility model, the connecting tube be equipped with external screw thread, the limit plate be equipped with
The internal screw thread that the external screw thread matches.
Cricoid push plate, institute are equipped between the compressed spring and connection ring as a further improvement of the utility model,
Push plate internal diameter is stated greater than the connection pipe outside diameter.
The both ends of the compressed spring are connected with the flange and push plate respectively as a further improvement of the utility model,
Together.
Primary and secondary is equipped between the connecting rod free end and the connection ring as a further improvement of the utility model,
Button, female thread are set on the connection ring outer wall, and sub-buckle is set on the connecting rod free end.
The beneficial effects of adopting the technical scheme are that
A kind of combined spinal epidural puncture needle provided by the utility model, the epidural puncture needle stand and lumbar anaesthesia puncture needle seat
It is removably attachable to together, during carrying out resorption or injection pharmaceutical practice, conveniently be fixed by the connecting rod,
It prevents the lumbar anaesthesia puncture needle to be subjected to displacement in anesthesia spinal needle, solves anesthetist left hand and fix two needles inconvenience
Problem.It is convenient that the position of connection ring is adjusted by the combination of compressed spring, connection ring, limit plate and connecting tube, it is described
Connection ring tightly heads on the limit plate under compressed spring effect, and the limit plate passes through with connecting tube to be threadedly engaged, relatively
Position can realize accurate adjusting, pass through adjusting when having certain distance between the epidural puncture needle stand and lumbar anaesthesia puncture needle seat
The limit plate can easily realize the positioning of the connection ring, then carry out the epidural puncture needle stand and lumbar anaesthesia puncture needle
The fixation of seat.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the schematic view of the front view of the utility model.
Fig. 3 is the structural schematic diagram of anesthesia spinal needle in the utility model.
Fig. 4 is the structural schematic diagram of lumbar anaesthesia puncture needle in the utility model.
Fig. 5 is the structural schematic diagram of needle core and needle core handle in the utility model.
Wherein: 11 epidural puncture syringe needles, 12 epidural puncture needle stands, 13 connecting tubes, 131 flanges, 14 compressed springs,
15 push plates, 16 connection rings, 17 limit plates, 21 lumbar anaesthesia puncture needle heads, 22 lumbar anaesthesia puncture needle seats, 23 guide posts one, 24 connecting rods, 31
Needle core, 32 needle core handles, 33 guide posts two.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, in the following with reference to the drawings and specific embodiments
Clear, complete description is carried out to utility model.
Such as a kind of combined spinal epidural puncture needle of Fig. 1-5 comprising anesthesia spinal needle and lumbar anaesthesia puncture needle, the lumbar anesthesia puncture
Needle can be plugged into the anesthesia spinal needle.The anesthesia spinal needle includes epidural puncture syringe needle 11, epidural puncture
Needle stand 12 and the connecting tube 13 being fixedly arranged on the epidural puncture needle stand 12,13 outer end of connecting tube are equipped with flange 131, institute
It states and is arranged with compressed spring 14, connection ring 16 and cricoid limit plate 17 in connecting tube 13 from outside to inside, in the connection ring 16
Diameter is greater than 13 outer diameter of connecting tube, and 14 diameter of compressed spring is less than 131 diameter of flange.The connection ring 16 is in institute
It states under compressed spring 14 acts on and holds out against on the limit plate 17.
In the present embodiment, cricoid push plate 15 is equipped between the compressed spring 14 and connection ring 16, in the push plate 15
Diameter is greater than 13 outer diameter of connecting tube.The both ends of the compressed spring 14 are connected in one with the flange 131 and push plate 15 respectively
It rises, the connection ring 16 withstanding on the limit plate 17 tightly under 15 thrust of push plate.In the connecting tube 13
Equipped with external screw thread, the limit plate 17 is equipped with the internal screw thread to match with the external screw thread, the limit plate 17 and connecting tube
13 by being threadedly engaged, and relative position can accurately be adjusted, when between the epidural puncture needle stand 12 and lumbar anaesthesia puncture needle seat 22
The positioning of the connection ring 16 can easily be realized by adjusting the limit plate 17 when certain distance by having, then be carried out described hard
The fixation of film outer Paracentesis needle holder 12 and lumbar anaesthesia puncture needle seat 22.
The epidural puncture needle stand 12 and lumbar anaesthesia puncture needle seat 22 are removably attachable to one by the connecting rod 24
It rises, during carrying out resorption or injection pharmaceutical practice, is conveniently fixed, prevents the lumbar anaesthesia puncture needle in epidural puncture
It is subjected to displacement in needle, solves the problems, such as that anesthetist left hand fixes two needles inconvenience.
The lumbar anaesthesia puncture needle includes lumbar anaesthesia puncture needle head 21 and lumbar anaesthesia puncture needle seat 22, on the lumbar anaesthesia puncture needle seat 22
Several connecting rods 24 are hinged with, 24 free end of connecting rod is fixed together with the connection ring 16, the lumbar anaesthesia puncture needle
Guide post 1 is additionally provided on seat 22.Snap fastener is equipped between 24 free end of connecting rod and the connection ring 16, female thread is equal
On 16 outer wall of connection ring, sub-buckle is set on 24 free end of connecting rod.It is carried out by the snap fastener detachable
Formula is fixed, facilitate carry out the lumbar anaesthesia puncture needle and the combination of anesthesia spinal needle with separate.In the present embodiment, the Epidural cavity
Paracentesis needle holder 12 be it is rectangular, there are four the connecting rod 24 is set, be respectively arranged in 12 4 sides of the epidural puncture needle stand
Portion.
Needle core 31 is equipped in the lumbar anaesthesia puncture needle, the needle core 31 is equipped with needle core handle 32, the needle core handle 32
It is equipped with guide post 2 33.It is described to lead when two needles are fixed after the lumbar anaesthesia puncture needle is inserted into the anesthesia spinal needle
Xiang Zhuyi 23 plays the role of positioning and guiding.The guide post 2 33 is interference fitted with the lumbar anaesthesia puncture needle seat 22, described
When needle core 31 is inserted into the lumbar anaesthesia puncture needle, the guide post 2 33 plays the role of positioning and guiding and fastening.
Specific embodiment:
The combined spinal epidural puncture needle when in use, the anesthesia spinal needle progress Epidural cavity is used alone first and wears
Lumbar anaesthesia puncture needle is inserted in anesthesia spinal needle after success and enters, has after lumbar anaesthesia puncture needle is pierced by anesthesia spinal needle by thorn
Stop lumbar anaesthesia puncture needle when breaking through sense to enter, rotates the limit plate 17, adjust the relatively described connecting tube 13 of the limit plate 17
Position, be buckled in the sub-buckle of 24 free end of connecting rod can just on the female thread of 16 outer wall of connection ring, carry out sub-buckle
With the fastening of female thread, so that the epidural puncture needle stand 12 and lumbar anaesthesia puncture needle seat 22 are fixed, anesthetist is being grasped
As when can be convenient the fixed lumbar anaesthesia puncture needle and anesthesia spinal needle.The needle core 31 of the lumbar anaesthesia puncture needle is exited, is seen
Cerebrospinal fluid outflow is examined, lumbar anesthesia drug is injected cavum subarachnoidale by lumbar anaesthesia puncture needle, exits the lumbar anesthesia by right hand syringe
Puncture needle, conventional dura mater Puncture Tube.It is emphasized that if after exiting the needle core 31 without cerebrospinal fluid flow out, can by with
Lower two methods solve the situation:
Method one: when lumbar anaesthesia puncture needle breaks through endorchis, arachnoid may be had not been reached yet in the side opening of lumbar anaesthesia puncture needle
Under, at this time 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, at this time in the case where not increasing lumbar anaesthesia puncture needle and entering depth, sagittal plane can be reduced by rotating lumbar anaesthesia puncture needle
The side opening of frictional force, endorchis elastical retraction, lumbar anaesthesia puncture needle can smoothly reach cavum subarachnoidale.
Method two: it is flowed back when the method by method one still can not see cerebrospinal fluid, can suitably increase waist at this time
The depth that numb puncture needle enters, by rotating the limit plate 17, the depth for increasing lumbar anaesthesia puncture needle and entering of controllability is avoided
Lumbar anaesthesia puncture needle enters too deep, damage cauda equina nerve.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that:
It can still modify to technical solution documented by previous embodiment, or be equal to part of technical characteristic
Replacement；And these are modified or replaceed, the utility model embodiment technical solution that it does not separate the essence of the corresponding technical solution
Spirit and scope.
Claims (5)
1. a kind of combined spinal epidural puncture needle, which is characterized in that it includes anesthesia spinal needle and lumbar anaesthesia puncture needle, and the lumbar anesthesia is worn
Pricker can be plugged into the anesthesia spinal needle, and the anesthesia spinal needle includes epidural puncture syringe needle (11), Epidural cavity
Paracentesis needle holder (12) and the connecting tube (13) being fixedly arranged on the epidural puncture needle stand (12), connecting tube (13) outer end are set
Have flange (131), is arranged with compressed spring (14), connection ring (16) and cricoid limit on the connecting tube (13) from outside to inside
Plate (17), connection ring (16) internal diameter are greater than the connecting tube (13) outer diameter；
The lumbar anaesthesia puncture needle includes lumbar anaesthesia puncture needle head (21) and lumbar anaesthesia puncture needle seat (22), the lumbar anaesthesia puncture needle seat (22)
On be hinged with several connecting rods (24), connecting rod (24) free end is fixed together with the connection ring (16), the waist
Guide post one (23) is additionally provided on numb Paracentesis needle holder (22)；
Needle core (31) are equipped in the lumbar anaesthesia puncture needle, the needle core (31) is equipped with needle core handle (32), the needle core handle
(32) it is equipped with guide post two (33).
2. a kind of combined spinal epidural puncture needle according to claim 1, which is characterized in that the connecting tube (13) is equipped with outer
Screw thread, the limit plate (17) are equipped with the internal screw thread to match with the external screw thread.
3. a kind of combined spinal epidural puncture needle according to claim 1, which is characterized in that the compressed spring (14) with connect
Cricoid push plate (15) are equipped between ring (16), push plate (15) internal diameter is greater than the connecting tube (13) outer diameter.
4. a kind of combined spinal epidural puncture needle according to claim 3, which is characterized in that the both ends of the compressed spring (14)
It is fixed together respectively with the flange (131) and push plate (15).
5. a kind of combined spinal epidural puncture needle according to claim 1, which is characterized in that connecting rod (24) free end with
Snap fastener is equipped between the connection ring (16), female thread is set on the connection ring (16) outer wall, and sub-buckle is set to the connection
On bar (24) free end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822040979.1U CN209475342U (en) | 2018-12-06 | 2018-12-06 | A kind of combined spinal epidural puncture needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822040979.1U CN209475342U (en) | 2018-12-06 | 2018-12-06 | A kind of combined spinal epidural puncture needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209475342U true CN209475342U (en) | 2019-10-11 |
Family
ID=68118008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822040979.1U Active CN209475342U (en) | 2018-12-06 | 2018-12-06 | A kind of combined spinal epidural puncture needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209475342U (en) |
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2018
- 2018-12-06 CN CN201822040979.1U patent/CN209475342U/en active Active
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