CN208114631U - A kind of Medical anesthetic needle - Google Patents

Abstract

The utility model discloses a kind of Medical anesthetic needles, including injection rod push rod, injection rod push rod side is bonded with handle, and the injection rod push rod other side is bonded with piston, outer surface of piston is socketed with syringe, barrel inside surface is provided with scale, the syringe bottom is bonded with needle sleeve, and needle sleeve is connected with casing far from syringe side, casing is socketed with needle body far from syringe side, the needle sleeve inner wall is symmetrically bonded with the first elastic slice and the second elastic slice, and first elastic slice and the second elastic slice be in close contact far from syringe side, described sleeve pipe is provided with tonic mouth close to needle body side, and internal surface of sleeve pipe is bonded with fixation spring tab close to the needle body other side, the needle body is welded with puncturing head far from syringe side.The utility model by being provided with tonic mouth and medicine outlet, can multiple fast injection, by be arranged puncturing head, can effectively carry out dura mater puncture anesthesia, by be arranged fixation spring tab, can be avoided syringe needle dropping situations.

Description

A kind of Medical anesthetic needle

Technical field

The utility model relates to anestetic needle technical field more particularly to a kind of Medical anesthetic needles.

Background technique

For medical angle, anesthesia is meant that keeps patient whole by drug or other methods or part is temporarily lost with sense Feel, it is painless to achieve the purpose that, condition is provided for operative treatment or other medical examinations treatment.Anesthesia can be roughly divided into whole body Anesthesia and two class of local anaesthesia.General anesthesia, which is " asleep state " as the saying goes that patient realizes, to disappear, whole-body muscle relaxation, Pain will not be experienced, is to be used conventional needle as the injection needle of anesthesia on hospital clinical, only front end A pin hole, injection speed is slower, extends anesthesia duration, be easy to cause the appearance of postoperative complications, and most cases Lower implementation intramuscular injection, a large amount of anesthetic liquid medicine are entered in muscle by a pin hole, increase the pain of patient, commonly The hardness of the site of puncture of needle needle tip is not easy to reach requirement in dura mater puncture anaesthesia process, makes to puncture difficulty, and pin hole It is easy blocking, is not easy to circulate, reduces anaesthetic effect, and syringe needle is easy to fall off, injection may cause blood back for a long time, and then lead The case where causing muscle injury.

Utility model content

Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of Medical anesthetic proposed Needle.

To achieve the goals above, the utility model uses following technical solution：

A kind of Medical anesthetic needle, including injection rod push rod, injection rod push rod side is bonded with handle, and injection rod pushes away The bar other side is bonded with piston, and outer surface of piston is socketed with syringe, and barrel inside surface is provided with scale, the syringe bottom bonding There is needle sleeve, and needle sleeve is connected with casing far from syringe side, casing is socketed with needle body, the needle far from syringe side Headgear inside pipe wall is symmetrically bonded with the first elastic slice and the second elastic slice, and the first elastic slice and the second elastic slice closely connect far from syringe side Touching, described sleeve pipe is provided with tonic mouth close to needle body side, and internal surface of sleeve pipe is bonded with fixation spring tab close to the needle body other side, described Needle body is welded with puncturing head far from syringe side.

Preferably, the shape of the piston and syringe is cylindric, and the internal capacity of syringe is 2.5ml-20ml.

Preferably, the outer diameter of described sleeve pipe is adapted to needle sleeve inner diameter size, and casing and needle sleeve pass through fixation Elastic slice socket, needle sleeve are made of medical grade plastic, and casing is made of stainless steel.

Preferably, first elastic slice and the second elastic slice are unidirectional elastic slice, and the first elastic slice and the second elastic slice deformation side To face puncturing head.

A kind of Medical anesthetic needle, including medicine outlet, the medicine outlet circular symmetric is arranged in inside needle body, and medicine outlet number Amount is four to six, and the diameter of four to six medicine outlets is identical.

Preferably, the needle sleeve is equipped with groove close to fixation spring tab side, and the size of fixation spring tab and groove are big Small to be adapted, fixation spring tab is made of medical grade plastic.

The beneficial effects of the utility model are：This equipment improves injection speed by the way that multiple medicine outlets are arranged, when anesthesia Between can effectively delay, reduce a large amount of injections to patient's block muscle, slow down patient suffering.By the way that tonic mouth, energy is arranged Enough reply multiple spot anesthesia bring doses are insufficient, the deficiency of long-term surgery anaesthetic effect.By being provided with puncturing head, make hard It is not easy to plug in puncture process in membrane puncture anesthesia, easily circulates, strengthen anaesthetic effect.By being provided with fixation spring tab, make Body sections can be not easily to fall off during pulling out needle.By the first elastic slice of setting and the second elastic slice, blood back can be effectively prevented Situation.

Detailed description of the invention

Fig. 1 be the utility model proposes a kind of Medical anesthetic needle structural schematic diagram；

Fig. 2 be the utility model proposes a kind of Medical anesthetic needle syringe needle partial structural diagram；

Fig. 3 be the utility model proposes a kind of Medical anesthetic needle needle head structure sectional view.

In figure：1 injection rod push rod, 2 syringes, 3 pistons, 4 scales, 5 first elastic slices, 6 second elastic slices, 7 needle sleeves, 8 are mended Medicine mouth, 9 needle bodies, 10 medicine outlets, 11 puncturing heads, 12 fixation spring tabs, 13 casings.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.

Referring to Fig.1-3, a kind of Medical anesthetic needle, including injection rod push rod 1,1 side of injection rod push rod are bonded with handle, and 1 other side of injection rod push rod is bonded with piston 3, and 3 outer surface of piston is socketed with syringe 2, and 2 inner surface of syringe is provided with scale 4, needle 2 bottoms of cylinder are bonded with needle sleeve 7, and needle sleeve 7 is connected with casing 13 far from 2 side of syringe, and casing 13 is far from syringe 2 one Side is socketed with needle body 9, and 7 inner wall of needle sleeve is symmetrically bonded with the first elastic slice 5 and the second elastic slice 6, and the first elastic slice 5 and the second bullet Piece 6 is in close contact far from 2 side of syringe, and casing 13 is provided with tonic mouth 8 close to 9 side of needle body, and 13 inner wall of casing is close to needle body 9 The other side is bonded with fixation spring tab 12, and needle body 9 is welded with puncturing head 11 far from 2 side of syringe.

In the utility model, the shape of piston 3 and syringe 2 is cylindric, and the internal capacity of syringe 2 is 2.5ml- The outer diameter of 20ml, casing 13 are adapted to 7 inner diameter size of needle sleeve, and casing 13 and needle sleeve 7 pass through 12 sets of fixation spring tab It connects, needle sleeve 7 is made of medical grade plastic, and casing 13 is to be made of stainless steel, and the first elastic slice 5 and the second elastic slice 6 are Unidirectional elastic slice, and the first elastic slice 5 and 6 deformation direction of the second elastic slice are 11 side of face puncturing head, 10 circular symmetric of medicine outlet row Cloth is inside needle body 9, and 10 quantity of medicine outlet is four to six, and the diameter of four to six medicine outlets is identical, needle sleeve 7 Be equipped with groove close to 12 side of fixation spring tab, and the size of fixation spring tab 12 is adapted with groove size, fixation spring tab 12 be by Medical grade plastic is made.

Working principle：Narcotics is drawn by needle body 9, it is by fixed card 12 that casing 13 is fixed, utilize puncturing head 11 are inserted into needle body 9 in human body, push piston 3 by pressing injection rod push rod 1, drug is made to enter human body by medicine outlet 10, Injection volume is calculated by observation scale 4.

The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model Within enclosing.

Claims (6)

1. a kind of Medical anesthetic needle, including injection rod push rod（1）, which is characterized in that the injection rod push rod（1）Side is bonded with Handle, and injection rod push rod（1）The other side is bonded with piston（3）, piston（3）Outer surface is socketed with syringe（2）, syringe（2）It is interior Surface is provided with scale（4）, the syringe（2）Bottom is bonded with needle sleeve（7）, and needle sleeve（7）Far from syringe（2）One Side is connected with casing（13）, casing（13）Far from syringe（2）Side is socketed with needle body（9）, the needle sleeve（7）Inner wall is symmetrical It is bonded with the first elastic slice（5）With the second elastic slice（6）, and the first elastic slice（5）With the second elastic slice（6）Far from syringe（2）Side is close Contact, described sleeve pipe（13）Close to needle body（9）Side is provided with tonic mouth（8）, and casing（13）Inner wall is close to needle body（9）The other side It is bonded with fixation spring tab（12）, the needle body（9）Far from syringe（2）Side is welded with puncturing head（11）.

2. a kind of Medical anesthetic needle according to claim 1, which is characterized in that the piston（3）And syringe（2）Shape It is cylindric, and syringe（2）Internal capacity be 2.5ml-20ml.

3. a kind of Medical anesthetic needle according to claim 1, which is characterized in that described sleeve pipe（13）Outer diameter and pinhead sleeve Pipe（7）Inner diameter size adaptation, and casing（13）And needle sleeve（7）Pass through fixation spring tab（12）Socket, needle sleeve（7）By curing It is made of grade plastics, casing（13）It is made of stainless steel.

4. a kind of Medical anesthetic needle according to claim 1, which is characterized in that first elastic slice（5）With the second elastic slice （6）It is unidirectional elastic slice, and the first elastic slice（5）With the second elastic slice（6）Deformation direction face puncturing head（11）.

5. a kind of Medical anesthetic needle according to claim 1, which is characterized in that including medicine outlet（10）, the medicine outlet （10）Circular symmetric is arranged in needle body（9）Inside, and medicine outlet（10）Quantity is four to six, the diameter of four to six medicine outlets Size is identical.

6. a kind of Medical anesthetic needle according to claim 1, which is characterized in that the needle sleeve（7）Close to fixed bullet Piece（12）Side is equipped with groove, and fixation spring tab（12）Size be adapted with groove size, fixation spring tab（12）By medical grade Plastics are made.