CN205758668U - A kind of simple lumbar anaesthesia puncture needle - Google Patents

Abstract

This utility model relates to a kind of simple lumbar anaesthesia puncture needle, and it is provided with needle handle and needle body；The top of described needle body is needle point, and top sidewall is provided with the pin hole of two positional symmetry；Described needle handle sidewall is provided with the needle handle flank of two positional symmetry, and the length direction of needle handle flank is perpendicular to the length direction of needle body, and outer end is provided with the non-slip process in needle body direction；The outer surface of described needle handle and needle handle flank is equipped with anti-slip veins；Described needle point is tapered.Simple lumbar anaesthesia puncture needle of the present utility model has an advantage in that: can ensure that cerebrospinal fluid pumpback is smooth, can judge whether needle point arrives subarachnoid space by observing cerebrospinal fluid pumpback intuitively；Make puncture power thrusts keep on the same line with needle body, reduce venipuncture difficulty, improve puncture success rate；Little to ligament and Dural damage, can effectively reduce the occurrence probability of the complication such as lumbago and backache, headache.

Description

A kind of simple lumbar anaesthesia puncture needle

Technical field

This utility model relates to technical field of medical instruments, specifically, relates to a kind of simple lumbar anaesthesia puncture needle.

Background technology

Lumbar anesthesia is one of modern clinic anaesthesia technology, and its principle is to lead to from human body back interspinal interstice with puncture needle Cross skin, subcutaneous tissue, supraspinal ligament, interspinal ligaments, ligamenta flava and spinal dura mater and arrive subarachnoid space, Anaesthetic is injected, by medicine diffusion anesthesia spinal cord in SACSF, plays anesthesia Effect.Owing to lumbar anesthesia can directly anaesthetize spinal cord, the most rapid-action, action effect improves definite, as one Field block is very popular, especially for lower limb, hypogastric region, older or have Pulmonary Diseases to be not suitable for The patient implementing general anesthesia operation has greater advantage.

Puncture procedure path according to lumbar anesthesia, is typically chosen in human lumbar 2-3, waist 3-4, waist 4-5 gap are worn Thorn.The puncture needle that the puncture of enforcement lumbar anesthesia is used at present is mainly simple lumbar anaesthesia puncture needle, hard waist combines puncture Pin and band guide the lumbar anaesthesia puncture needle of pin.Simple lumbar anaesthesia puncture needle piercing process and principle are as previously mentioned；Hard waist Associating piercing process is first to be arrived after epidural space with lumbar anesthesia puncture path by thick epidural needle, then by one Thin lumbar anaesthesia puncture needle arrives subarachnoid administration by puncturing spinal dura mater inside epidural needle；Band guides pin Lumbar anaesthesia puncture needle to puncture principle be that the guiding that is thick is needled into subcutaneous tissue, then by spinal needle by this path Inserting needle is anaesthetized.The spinal needle needle point that several method is used mainly has nib type and inclined mouth type.

The operating process anesthesia mechanism that above-mentioned several lumbar anesthesias are implemented all is intended to infusion of medicine to subarachnoid space Anesthesia spinal cord, but operation implementation process in by puncture needle different.Those skilled in the art pass through Constantly sum up discovery, hard waist combines puncture and band guide the piercing method of pin due to by bodkin guided puncture, Tissue particularly ligament can be caused certain damage by bodkin, and therefore groups of people can cause postoperative lumbago and backache Complication；Simple lumbar anaesthesia puncture needle, due to tiny, causes back damage and postoperative discomfort the most rare, But pin is the thickest, pinpoint inclined plane formula opening in addition, after lumbar anesthesia, headache is still common complication, and from theory See with clinical practice, cause headache reason after mainly needle tip punctures spinal dura mater cerebrospinal fluid leak outside and cause, Increase the cerebrospinal fluid factor that leaks outside and mainly have the thickness of pin, needle tip shape etc..For drawbacks described above, China is specially Profit document CN201320537114.0, day for announcing 2014.02.19 disclose a kind of lumbar anaesthesia puncture needle, including Big footpath needle tubing, transition needle tubing, path syringe needle and cooperation needle handle；Path syringe needle, transition needle tubing, big footpath needle tubing From top to bottom it is sequentially fixed at together and its seam is all in seamlessly transitting shape；The fixing peace in bottom of big footpath needle tubing It is contained in cooperation needle handle；Having the through hole that the endoporus with big footpath needle tubing communicates in coordinating needle handle, transition needle tubing is with big The endoporus of footpath needle tubing communicates, and there are the connecting hole communicated with transition needle tubing endoporus, path pin in the inside of path syringe needle The pin hole communicated with connecting hole is arranged at the top of head.This utility model effectively reduce postoperative generation cerebrospinal leak and While headache, dizzy complication, improve the puncture strength of puncture needle so that it is be more convenient for puncturing.

But, during lumbar anesthesia, in addition to the problem of above-mentioned complication, it is likely present other shadow The problem ringing lumbar anesthesia whole structure, this needs those skilled in the art careful in long-term clinical practice work Observe, think hard and sum up.Discovery and correct understanding lumbar anesthesia that can be sharp implement operating process not In place of foot and improved, it will help promote clinical lumbar anesthesia effect, benefit patient.

Summary of the invention

The purpose of this utility model is for deficiency of the prior art, it is provided that a kind of simple lumbar anaesthesia puncture needle.

For achieving the above object, this utility model adopts the technical scheme that:

A kind of simple lumbar anaesthesia puncture needle, is provided with needle handle and needle body, and the position, top of described needle body is needle point, The sidewall of described needle point is provided with pin hole, and described pin hole has two, and the position of two pin holes relative to Described needle body substantially symmetrical about its central axis；The sidewall of described needle handle is provided with two needle handle flanks, and two needle handles The position of flank is substantially symmetrical about its central axis relative to described needle body.

The outer surface of described needle handle and needle handle flank is equipped with anti-slip veins, and the described anti-slip veins on needle handle is The fin of travers shape, the fin that anti-slip veins is vertical striated on described needle handle flank.

The length direction of described needle handle flank is perpendicular to the length direction of needle body.

The outer end of described needle handle flank is provided with non-slip process.

Described needle point is tapered.

Described needle handle and the inside of needle body are all hollow, are provided with interior puncture needle passage, described interior puncture Nook closing member it is provided with in needle passageway.

The a length of 1-1.5cm of described needle handle.

This utility model advantage is:

Present inventor is in abundant clinical position, and meticulous inspection and summary discovery can be by cerebrospinal fluid The position judging inserting needle is instructed in no pumpback, and is maintained at same by puncture power thrusts and needle body in piercing process Puncture success rate can be improved on straight line, made further to change to lumbar anaesthesia puncture needle of the prior art accordingly Enter, specifically:

1, the needle point position at needle body arranges two pin holes of symmetry, therefore under needle point penetrates into arachnoidea The pumpback that cerebrospinal fluid is unobstructed is can ensure that behind chamber；

2, two needle handle flanks are set on needle handle, outside needle handle flank, set non-slip process, and at needle handle and Set anti-slip veins on needle handle flank, patient can be easy to and grip needle handle, uniform application in piercing process, make puncture Power thrusts and needle body remain on the same line, reduce venipuncture difficulty, improve puncture success rate.

Accompanying drawing explanation

Accompanying drawing 1 is simple lumbar anaesthesia puncture needle structural representation of the present utility model.

Detailed description of the invention

Present inventor, in long-term lumbar anesthesia practical operation, is good at finding and summing up, it is appreciated that following skill Art problem: (1) lumbar anaesthesia puncture needle needs to arrive subarachnoid space through spinal dura mater and could be injected by anaesthetic, Effectively play anesthetic action, but whole puncture path is complicated, if there is deviation, anaesthetic on Cao Zuo Subarachnoid space can not be injected into exactly, occur anaesthetizing unsuccessfully.For these reasons, lumbar anesthesia effect is also Can there are differences because doctor's operation level is different.It is therefore desirable to eliminate the impact of this anthropic factor, The inserting needle position of lumbar anaesthesia puncture needle can be judged well intuitively.(2) as it was previously stated, lumbar anesthesia puncture path is complicated, Obstruction is many, therefore the more difficult assurance in direction firmly, if it is possible to remained with needle body by puncture power thrusts In same rectilinear direction, then can reduce operation easier, reduce the generation of puncture failure.In order to solve above-mentioned two Individual technical problem, existing simple lumbar anaesthesia puncture needle, through further thinking, is made by present inventor Improve, complete the present invention based on this.

The detailed description of the invention provided the present invention below in conjunction with the accompanying drawings elaborates.

The reference and the ingredient that relate in accompanying drawing are as follows:

1. needle handle 2. needle body

21. needle point 3. pin holes

4. needle handle flank 41. non-slip process

5. puncture needle passage in anti-slip veins 6.

7. nook closing member 8. needle core handle

Embodiment 1

Referring to Fig. 1, Fig. 1 is simple lumbar anaesthesia puncture needle structural representation of the present utility model.Described list Pure lumbar anaesthesia puncture needle is provided with needle handle 1, needle body 2 and pin hole 3.Described needle handle 1 waist is relatively thin, on sidewall Being provided with two needle handle flanks 4, the position of two described needle handle flanks 4 is relative to the center of described needle body 2 Axial symmetry, and the distance of distance needle handle 1 front-end and back-end is equal, the length of needle handle flank 4 is 0.8-1.2cm.The length direction of described needle handle flank 4 is perpendicular to the side of needle handle 1, needle handle flank 4 Outer end is provided with non-slip process 41, and the projected direction of described non-slip process 41 is directed towards needle body 2.Described Needle handle 1 and the outer surface of needle handle flank 4 be equipped with anti-slip veins 5, the described anti-slip veins on needle handle 1 is The fin of travers shape, the fin that anti-slip veins is vertical striated on described needle handle flank 4.Described Needle handle 1 and the inside of needle body 2 be all hollow, be provided with interior puncture needle passage 6.Described interior puncture needle Being provided with nook closing member 7 in passage 6, the afterbody of described nook closing member 7 is provided with needle core handle 8.The model of described needle body 2 It is No. 25, a length of 8cm.The position, top of described needle body 2 is needle point 21, described needle point 21 It is tapered to top orientation, tapered.The surface of needle body 2 is provided with graduation mark (not shown), phase The distance of adjacent graduation mark is 1cm.Described pin hole 3 has two, is all located on the sidewall of needle point 21, and The position of two pin holes 3 is substantially symmetrical about its central axis relative to described needle body 2, described pin hole 3 and interior puncture needle Passage 6 communicates.

It should be noted that described pin hole 3 is provided with two, it is ensured that simple lumbar anesthesia of the present utility model is worn After the needle point 21 of pricker arrives subarachnoid space, the cerebrospinal fluid in subarachnoid space can pumpback the most glibly To needle body 2, such patient can intuitively and exactly judge that needle point 21 has arrived at subarachnoid space, i.e. Prompting can carry out anaesthetic injection, it is ensured that medicine plays anaesthetic effect.This design overcome lumbar anesthesia effect because of The defect that doctor's operation level is different and there are differences.Described needle point 21 designs tapered, to ligament and Dural damage is little, so can reduce cerebrospinal fluid outflow, it is to avoid after lumbar anesthesia lumbago and backache and headache complication send out Raw.Described needle handle flank 4 is provided with two, and its length direction is designed to be perpendicular to the side of needle handle 1, The distance of distance needle handle 1 front-end and back-end is equal simultaneously, can be by forefinger and middle finger difference when such patient punctures Clasp two needle handle flanks 4, balancedly exert a force to needle body 2 direction, puncture power thrusts is begun with needle body 2 Demarcate on the same line eventually, reduce operation easier, decrease the generation of puncture failure.Described needle handle 1 anti-slip veins being provided with travers shape, described needle handle flank 4 is provided with the anti-slip veins of vertical striated, When can prevent patient from puncturing, hand is in the issuable sliding in direction, back and forth or left and right, prevents from puncturing changing of direction Become.Described nook closing member 7 can increase the intensity of needle body 2 in piercing process, and prevents the fillings such as tissue interior Puncture needle passage 6.The described graduation mark on needle body 2 is easy to patient and is estimated penetration depth.Described needle handle The length of 1 is preferably 1-1.5cm.Described its model of needle body 2 and length are all not limited only to the present embodiment. The shape of described needle handle 1 and structure are also not limited to the present embodiment, but with the effect of the present embodiment for Good.Concrete shape and the structure of described anti-slip veins 5 are also not limited to the present embodiment, it is also possible to be graininess Projection, twill-like fin etc., but it is optimal with the effect of the present embodiment, and it is anti-skidding especially in clinical practice It is that the effect of fixed setting is the most prominent.

The using method of simple lumbar anaesthesia puncture needle of the present utility model is: when lumbar anesthesia punctures, the hand-held handle of patient 1, forefinger and middle finger clasp two needle handle flanks 4 respectively, and thumb is pressed on the end face of needle core handle 8, then From human body back interspinal interstice by skin, subcutaneous tissue, supraspinal ligament, interspinal ligaments, ligamenta flava and hard Spinal meninges punctures inserting needle to reaching subarachnoid space, estimates paracentesis depth according to the graduation mark on needle body 2, then takes out Go out nook closing member 7, to be seen be back to needle body 2 to cerebrospinal fluid in time, then can determine whether that needle point 21 has arrived arachnoidea Cavity of resorption, the most available interior puncture needle is by interior puncture needle passage 6 injecting anesthetic medicine in subarachnoid space Thing, then extracts simple lumbar anaesthesia puncture needle of the present utility model.This simple lumbar anaesthesia puncture needle can ensure brain Spinal fluid pumpback is smooth, judges tip position intuitively, it is ensured that the success rate of anesthesia, and can protect during use Card punctures power thrusts and remains on the same line with needle body, reduces venipuncture difficulty, improves puncture Success rate, simultaneously little to ligament and Dural damage, can effectively reduce lumbago and backache, the generation of headache complication Probability.

The above is only the preferred embodiment of the present invention, it is noted that common for the art Technical staff, on the premise of without departing from the inventive method, it is also possible to makes some improvement and supplements, these Improve and supplement and also should be regarded as protection scope of the present invention.

Claims (2)

1. a simple lumbar anaesthesia puncture needle, is provided with needle handle and needle body, and described needle handle and the inside of needle body are all hollow, is provided with interior puncture needle passage, is provided with nook closing member in described interior puncture needle passage；The position, top of described needle body is needle point, and described needle point is tapered and head end is to close, and the sidewall of described needle point is provided with pin hole, it is characterised in that described pin hole has two, and substantially symmetrical about its central axis relative to described needle body of the position of two pin holes；The sidewall of described needle handle is provided with two needle handle flanks, and substantially symmetrical about its central axis relative to described needle body of the position of two needle handle flanks；The outer surface of described needle handle and needle handle flank is equipped with anti-slip veins, the described fin that the anti-slip veins on needle handle is travers shape, the fin that anti-slip veins is vertical striated on described needle handle flank；The length direction of described needle handle flank is perpendicular to the length direction of needle body；The outer end of described needle handle flank is provided with non-slip process.

Simple lumbar anaesthesia puncture needle the most according to claim 1, it is characterised in that a length of 1-1.5cm of described needle handle.