CN206103065U

CN206103065U - Accurate syringe

Info

Publication number: CN206103065U
Application number: CN201620767806.8U
Authority: CN
Inventors: 刘齐兰; 夏舜; 马霞
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-07-20
Filing date: 2016-07-20
Publication date: 2017-04-19
Anticipated expiration: 2026-07-20

Abstract

The utility model belongs to extraction liquid medicine and utensil field for injection special. The technical scheme that adopts is an accurate syringe, comprises syringe needle, cylinder and piston, and the syringe needle includes needle point and needle file, the needle point comprises with latter half (2) point portion (1), the free -end of point portion (1) is an inclined plane, the external diameter of latter half (2) expands, and the internal diameter is unanimous with point (1) and cylinder nipple (5) internal diameter, is provided with connecting portion (3) of matcing with syringe cylinder nipple (5) shape in the needle file, internal thread (4) have in connecting portion (3), external screw thread (7) have on the cylinder nipple, the dead space is realized eliminating through the cooperation of interior external screw thread by the needle file. The problem of daily syringe when using, should inhale the medicine completely, be certain angle, control needle puncturing depth again is solved to eliminate the dead space that exists effectively between traditional syringe needle file and the cylinder nipple, accurately guaranteed the injection dosage of medicine.

Description

A kind of accurate syringe

Technical field

This utility model belongs to medical care, specially extracts medicinal liquid and injection special implement field.

Background technology

When daily nursing injects pharmaceutical practice, certain injection angles should be kept, such as it is traditional in subcutaneous injection Diagonal stabbing method of needle insertion, needle slope are needed with skin upward in 30-40 degree angle, the vertical method of needle insertion and for example improved in subcutaneous injection, flesh Vertical method of needle insertion in meat injection.Depth of needle quickly should need to be controlled again in injection, be pierced into the 1/3-1/2 of needle point, to skin For lower injection, depth of needle need to be controlled in order to avoid being expelled to muscle, injuring big blood vessel and nerve.For intramuscular injection, control is needed Depth of needle processed is with the big blood vessel and nerve near avoiding injuring.Therefore the requirement to operator is very high, is often not easy essence Really complete.When other subcutaneous injection or intramuscular injection, also require to push away medicine speed slowly, during this, patient occurs often can not The body movement of control, for example：Patient acutely coughs suddenly, and the length for being easily caused inserting needle occurs fluctuation, is pierced into too deep.Additionally, right It is medicine in liquid form in script, for example specification is the auspicious white of 0.6ml, generally requires to aspirate which completely with 1ml syringes To in syringe；For the medicine encapsulated with solidapowder form, for example ZADAXIN, then need first to be drawn from ampoule with syringe 1ml solvents, solvent are mixed with medicine after fully dissolving, then will draw out with the medicinal liquid of liquid form with syringe.Use During traditional syringe, easily dead space is produced at needle stand and the needle nipple of syringe needle, according to relevant reported in literature, for 1ml specifications Syringe for, the dead space volume there are about 0.08 milliliter, that is, cannot be introduced into human body amount be 0.08 milliliter, according to current medicine Calculating, auspicious 16 yuan of the RMB equivalent in vain of correspondence, correspondence ZADAXIN convert into 45.6 yuan of RMB to price.The note bigger to specification For emitter, the numerical value of the dead space is also larger.

Utility model content

The technical problem of solution

When solving daily syringe use, medicine should be sucked into syringe completely, again at an angle, control inserting needle The problem of depth, and the dead space existed between conventional syringe needle stand and syringe nipple is effectively eliminated, accurately insure that The implantation dosage of medicine.

Using technical scheme

A kind of accurate syringe, is made up of syringe needle, syringe and piston, and the syringe needle includes needle point and needle stand, the needle point It is made up of with latter half 2 tip 1, the free-end of the tip 1 is an inclined-plane, the external diameter of the latter half 2 expands, internal diameter It is consistent with tip 1 and 5 internal diameter of syringe nipple, the connecting portion 3 with 5 form fit of injector syringe nipple is provided with needle stand, There is in the connecting portion 3 female thread 4, there is on the syringe nipple external screw thread 7, cooperation of the needle stand by internal and external threads To realize eliminating dead space.

Further optimize, the external diameter of the needle point latter half 2 is 2～5 times of internal diameter.

Further optimize, be cavity between the inner and outer wall of the needle point latter half 2.

Further optimize, between the inner and outer wall of the syringe needle latter half 2 be it is solid and with needle point other parts one The metal material of cause.

Further optimize, the transitional region between needle point 1 and latter half 2 adopts chamfer angle technique.

Further optimize, the needle point specification is 0.4 millimeter of external diameter, 0.45 millimeter, 0.5 millimeter, 0.55 millimeter or 0.6 milli Rice.

Further optimize, the needle point adopts stainless steel material, the needle stand to adopt plastic material.

Further optimize, the syringe both sides of the syringe are both provided with graduation indication.

Further optimize, the length of the tip 1 of the syringe is set to 6 millimeters, the length of the latter half 2 is arranged For 7 millimeters.

Further optimize, the needle point specification may also be configured to 0.5 millimeter, 0.55 millimeter, 0.6 millimeter, 0.7 millimeter or 0.8 millimeter, the tip length of the syringe is set to 2.5-3 centimetre.

Beneficial effect

Using the improved accurate syringe of structure, including syringe needle, syringe after improvement, eliminate conventional syringe needle stand and pin The dead space existed between cylinder nipple, conveniently can not lavishly draw medicinal liquid, completely while and can easily control inserting needle Depth.The split type syringe for further adopting also helps medical garbage sorting disposal.

Description of the drawings

Fig. 1 is this utility model syringe needle along long axis direction sectional view, wherein 1 is the tip of needle point, 2 are the latter half of of needle point Point, 3 is the connecting portion matched with syringe needle disk shape arranged in needle stand, and 4 is female thread.

Fig. 2 is injector syringe and syringe nipple along long axis direction sectional view, wherein 5 is syringe nipple, 6 is syringe, and 7 are External screw thread.

Specific embodiment

Embodiment 1

In the present embodiment, the specification of accurate syringe is that, for hypodermic 1ml syringes, needle point specification is external diameter 0.4 Millimeter, 0.45 millimeter, 0.5 millimeter, 0.55 millimeter or 0.6 millimeter, medicine to be injected be with medicinal liquid form encapsulate it is auspicious white.

Using method：Directly it is needled in bottle using of the present utility model, draws the auspicious BAIYAO liquid of whole 0.6ml.According to Working specification, the needle tip beveling of syringe needle face down, and operator need to only keep the scale that injector syringe has with the inclined-plane In the same side.As syringe of the present utility model has a scale on both sides, thus before the injection aerofluxuss when, needle slope is naturally With the scale of another side on syringe in the same side.In subcutaneous injection, the tip of the needle point of this utility model syringe can be set 6 millimeters of fixed value is set to, this front fine and rear thick structure can ensure of length no more than 6 millimeters during inserting needle, so as to accurately keep away Exempt to be pierced into muscle layer and deep vessels, nerve.

As this utility model uses supporting syringe needle and syringe, and screw thread is adopted with needle nipple in needle stand Mode is attached, therefore eliminates the dead space existed between conventional syringe needle stand and syringe nipple, has accurately insured that medicine Implantation dosage, so as to greatly reduce the waste of medicine, ensure curative effect while, be that patient has saved money.

Embodiment 2

In the present embodiment, the specification of accurate syringe is that, for hypodermic 1ml syringes, needle point specification is external diameter 0.4 Millimeter, 0.45 millimeter, 0.5 millimeter, 0.55 millimeter or 0.6 millimeter, medicine to be injected be with solidapowder form encapsulate reaching day It is celestial.

Using method：One is taken equipped with the ampoule as solvent, is directly aspirated using syringe of the present utility model after knocking open 1ml liquid, is needled in bottle using of the present utility model, extracts whole 1ml medicinal liquids, as ampoule bottleneck diameter is far longer than The maximum gauge of syringe needle is the diameter of latter half, therefore uses syringe needle of the present utility model, the depth that can go deep in ampoule bottleneck Degree is certain no more than to add 13 millimeters of 7 millimeters of sums equal to 6 millimeters, and according to working specification, the needle tip beveling of syringe needle faces down, grasps Author need to only keep injector syringe to have the scale and the oblique section on one side in the same side.As syringe of the present utility model is two There is a scale on side, thus before the injection aerofluxuss when, syringe needle oblique section is naturally i.e. with the scale of another side on syringe in the same side. It is during subcutaneous injection, as the tip of the needle point of this utility model syringe is set to 6 millimeters of fixed value, this front fine and rear thick Structure can ensure of length no more than 6 millimeters during inserting needle, so as to accurately avoid being pierced into muscle layer and deep vessels, nerve.

Embodiment 3

In the present embodiment, the specification of accurate syringe is the 2-10ml syringes for intramuscular injection, and needle point specification is set to 0.5 millimeter, 0.55 millimeter, 0.6 millimeter, 0.7 millimeter or 0.8 millimeter of external diameter, the length of the tip 1 of the syringe is set to 2.5cm, so in intramuscular injection, depth of needle can be controlled in 2.5cm.

Embodiment 4

In the present embodiment, the specification of accurate syringe is the 2-10ml syringes for intramuscular injection, and needle point specification is set to 0.5 millimeter, 0.55 millimeter, 0.6 millimeter, 0.7 millimeter or 0.8 millimeter of external diameter, the length of the tip 1 of the syringe is set to 3cm, so in intramuscular injection, depth of needle can be controlled in 3cm.

As this utility model uses supporting syringe needle and syringe, and set with needle nipple corresponding position in needle stand Screw thread is equipped with, therefore eliminates the dead space existed between conventional syringe needle stand and syringe nipple, accurately insured that the note of medicine Enter dosage, so as to greatly reduce the waste of medicine, while curative effect is ensured, be that patient has saved money.

This utility model has only enumerated the part case of representative subcutaneous injection and intramuscular injection, but for all With regard to syringe needle and syringe using other mechanical connection manners conversion, and other concrete realities such as various sizes of syringe needle syringe Mode is applied, all technical schemes using equivalent or equivalent formation are each fallen within protection domain of the present utility model.

Claims

1. a kind of accurate syringe, is made up of syringe needle, syringe and piston, and the syringe needle includes needle point and needle stand, the needle point by Tip（1）With latter half（2）Composition, the tip（1）Free-end be an inclined-plane, it is characterized by the latter half（2） External diameter expand, internal diameter and tip（1）And syringe nipple（5）Internal diameter is consistent, is provided with and injector syringe nipple in needle stand （5）The connecting portion of form fit（3）, the connecting portion（3）It is interior with female thread（4）, there is on the syringe nipple external screw thread （7）, the needle stand realized by the cooperation of internal and external threads eliminate dead space.

2. a kind of accurate syringe as claimed in claim 1, it is characterized by the needle point latter half（2）External diameter be internal diameter 2～5 times.

3. a kind of accurate syringe as claimed in claim 2, it is characterized by the needle point latter half（2）Inner and outer wall Between be cavity.

4. a kind of accurate syringe as claimed in claim 3, it is characterized by the syringe needle latter half（2）Inner and outer wall Between be solid and consistent with needle point other parts metal material.

5. a kind of accurate syringe as claimed in claim 4, it is characterized by described for tip（1）With latter half（2）Between Transitional region adopt chamfer angle technique.

6. a kind of accurate syringe as claimed in claim 5, it is characterized by the needle point specification be 0.4 millimeter of external diameter, 0.45 Millimeter, 0.5 millimeter, 0.55 millimeter or 0.6 millimeter.

7. a kind of accurate syringe as claimed in claim 6, it is characterized by the needle point adopts stainless steel material, the needle stand Using plastic material.

8. a kind of accurate syringe as claimed in claim 7, it is characterized by the syringe both sides of the syringe are both provided with carving Degree is indicated.

9. a kind of accurate syringe as claimed in claim 8, it is characterized by the tip of the syringe（1）Length be set to 6 millimeters, the latter half（2）Length be set to 7 millimeters.

10. a kind of accurate syringe as claimed in claim 5, it is characterized by the needle point specification be 0.5 millimeter of external diameter, 0.55 Millimeter, 0.6 millimeter or 0.7 millimeter, the tip of the syringe（1）Length be set to 2.5-3 centimetre.