CN211935063U

CN211935063U - Syringe needle

Info

Publication number: CN211935063U
Application number: CN201922022598.5U
Authority: CN
Inventors: 张艳华
Original assignee: Nanan Shangying Machinery Technology Co Ltd
Current assignee: Nanan Shangying Machinery Technology Co Ltd
Priority date: 2019-11-21
Filing date: 2019-11-21
Publication date: 2020-11-17
Anticipated expiration: 2029-11-21

Abstract

The utility model discloses a syringe needle, including disengaging structure, needle body, head, infusion mouth and protecting crust, the top of needle body is provided with the head, and the top of head is fixed with the piercing head to the bottom of needle body is provided with the afterbody, the bottom mounting of afterbody has the fixed head, and the bottom mounting of fixed head has the needle file to the bottom mounting of needle file has the second shoulder, the below of second shoulder is provided with first shoulder, and the bottom mounting of first shoulder has the connector to the top of first shoulder is connected with the bottom of second shoulder through the viscose. The utility model discloses not only improve the convenience when syringe needle is pulled out, reduced medical personnel's is stabbed to the needle body the condition and reduced the pollution that the needle body received when placing, avoided impurity and precipitate to get into patient's by the injection internal, the condition of small rubber granule jam transfusion mouth appears in the bottle when having reduced the extraction liquid medicine in addition in the bottle when having reduced the extraction liquid medicine.

Description

Syringe needle

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a syringe needle.

Background

The syringe is a common medical appliance, the syringe needle is an important part of the syringe, the syringe needle is very common in clinical care work, and the syringe needle is necessary to be used for sucking liquid medicine every day and adding an infusion bottle and an infusion bag.

The types of syringe needles on the market are various, and can basically meet the use requirements of people, but certain defects still exist, and the specific problems are as follows:

(1) after the liquid medicine is prepared by the existing syringe needle, the needle is not easy to take down, time and labor are wasted, and the rescue time is delayed by means of vascular forceps;

(2) the existing syringe needle is easy to have needle puncture when the needle is pulled out after injection, and is easy to contact with other medical appliances and be polluted in the placement process of the syringe needle;

(3) when the existing syringe needle is used, a glass bottle needs to be broken at times, liquid in the bottle is extracted, meanwhile, some precipitates may be doped in liquid medicine, and once the liquid medicine is injected into a patient, potential safety hazards exist;

(4) when the existing syringe needle is used, the needle tip part of the syringe needle is provided with the inclined round hole, so that a transfusion opening is easily blocked after tiny rubber particles are punctured when a transfusion bottle or a rubber plug of a transfusion bag is punctured repeatedly, and the general syringe needle is difficult to suck residual liquid medicine at the bottom of the bottle, thereby easily causing waste of the liquid medicine.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a syringe needle to propose the syringe needle among the above-mentioned background art and be difficult for taking off when using, stab medical personnel easily and receive the pollution easily, impurity and precipitate are inputed the patient easily internally and small rubber particle blocks up the problem of infusion mouth easily.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a syringe needle, includes isolating construction, needle body, head, infusion mouth and protecting crust, the top of needle body is provided with the head, and the top of head is fixed with piercing head to the bottom of needle body is provided with the afterbody, the bottom mounting of afterbody has the fixed head, and the bottom mounting of fixed head has the needle file to the bottom mounting of needle file has the second shoulder, the below of second shoulder is provided with first shoulder, and the bottom mounting of first shoulder has the connector to the top of first shoulder is connected with the bottom of second shoulder through the viscose, the inside of needle body is provided with the infusion passageway, be provided with isolating construction on the outer wall of connector.

Preferably, fixed cover, flank and rubber circle have set gradually in the inside of isolating construction, are fixed with fixed cover on the outer wall of connector.

Preferably, the outer walls of the two sides of the fixing sleeve are both fixed with side wings, and the top ends and the bottom ends of the side wings are both fixed with rubber rings.

Preferably, the inside of needle file is provided with the cassette, and is fixed with the retainer plate on the outer wall of cassette.

Preferably, a soft connecting piece is fixed on the outer wall of one side of the fixing head, a protective shell is fixed at one end of the soft connecting piece, and a placing cavity is formed in the protective shell.

Preferably, the outer wall of the bottom of the puncture head is provided with equally spaced infusion ports, and the outer wall of the puncture head above the infusion ports is provided with liquid inlet holes.

Preferably, place all be fixed with equidistant elastic positioning contact on the inner wall of chamber both sides, and the intracavity portion of placing between the adjacent elastic positioning contact is provided with the joint gap, and the joint gap is mutually supported with the needle body to all be provided with equidistant ventilation hole on the protective housing inner wall of elastic positioning contact top.

Preferably, a connecting ring is fixed on the outer wall of one side, away from the filter disc, of the fixing ring, and the connecting ring is fixedly connected with the inner wall of the needle seat.

Compared with the prior art, the beneficial effects of the utility model are that: the syringe needle improves the convenience of pulling the needle, reduces the condition that the needle body stabs medical care personnel, reduces the pollution caused by placing the needle body, avoids impurities and precipitates from being injected into the body of a patient, reduces the residual liquid medicine in a bottle when the liquid medicine is extracted, and avoids the condition that tiny rubber particles block an infusion port when the liquid medicine is extracted;

(1) by arranging the fixing sleeve, the side wings and the rubber ring, the forefinger and the ring finger of one hand of a medical worker hook the side wings on the two sides of the fixing sleeve, the rubber ring is in contact with the skin of the finger part to increase friction force, and the syringe can be quickly separated from the syringe by pinching the syringe by the other hand, so that not only is the strength saved, but also the efficiency of taking down the syringe is improved, and the convenience of pulling out the syringe is improved;

(2) through the arrangement of the soft connecting piece, the protective shell, the placing cavity, the elastic positioning contact piece, the vent hole and the clamping gap, a medical worker pulls the protective shell to place the protective shell on one side of the needle body, presses the protective shell to clamp the needle body under the action of the soft connecting piece, the elastic positioning contact piece inside the placing cavity fixes the needle body at the moment, the needle body is positioned inside the clamping gap, meanwhile, the arrangement of the vent hole ensures the air circulation inside the protective shell, the bacteria breeding in a sealed and moist environment is avoided, the protective function of the needle body is realized, the condition that the medical worker is stabbed by the needle body is reduced, and the pollution to the needle body when the needle body is placed is reduced;

(3) the filter disc in the fixing ring blocks impurities and precipitates in the liquid medicine, the fixing ring is fixedly connected with the needle seat through the connecting ring, the impurities and the precipitates are prevented from entering the syringe, and the impurities and the precipitates can flow out of the needle body under the action of gravity, so that the impurities and the precipitates are prevented from being injected into the body of a patient, and potential safety hazards are reduced;

(4) through being provided with the puncture head, feed liquor hole and infusion mouth, medical personnel insert the needle body and puncture the head in the liquid medicine completely, the pulling syringe makes the liquid medicine pass through infusion mouth entering infusion channel's inside, infusion channel is with the inside of the leading-in syringe of liquid medicine, the position in feed liquor hole is close to the top of puncture head, liquid medicine in the bottle can be fallen in the suction of at utmost, thereby the residue of liquid medicine in the bottle when having reduced the extraction liquid medicine, and then the waste of liquid medicine has been reduced, and simultaneously, the setting of infusion mouth is different from the structure in the past, the infusion mouth is the slope form, the condition that small rubber granule blockked up the infusion mouth has been avoided appearing when extracting the liquid medicine.

Drawings

Fig. 1 is a schematic view of the front view of the appearance structure of the present invention;

FIG. 2 is a side view of the protective shell of the present invention;

FIG. 3 is a schematic view of the needle holder of the present invention in cross section and enlarged structure;

FIG. 4 is a schematic view of the filter of the present invention showing an enlarged structure from above;

fig. 5 is an enlarged schematic view of the separation structure of the present invention.

In the figure: 1. a connector; 2. a separation structure; 201. fixing a sleeve; 202. a side wing; 203. a rubber ring; 3. a first shoulder; 4. gluing; 5. a second shoulder; 6. a needle seat; 7. a fixed head; 8. a tail portion; 9. a needle body; 10. a fluid infusion channel; 11. a head portion; 12. piercing the head; 13. a liquid inlet hole; 14. an infusion port; 15. a soft connecting piece; 16. a protective shell; 17. a placement chamber; 18. an elastic positioning contact piece; 19. a vent hole; 20. clamping the gap; 21. a filter disc; 22. a stationary ring; 23. and (7) connecting rings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides an embodiment: a syringe needle comprises a separation structure 2, a needle body 9, a head 11, a transfusion port 14 and a protective shell 16, wherein the head 11 is arranged at the top end of the needle body 9, a puncture head 12 is fixed at the top end of the head 11, and a tail 8 is arranged at the bottom end of the needle body 9.

The outer wall of the bottom of the puncture head 12 is provided with equally spaced infusion ports 14, and the outer wall of the puncture head 12 above the infusion ports 14 is provided with liquid inlet holes 13 for preventing rubber particles from blocking the infusion ports 14 and reducing waste of liquid medicine.

The bottom end of the tail part 8 is fixed with a fixed head 7, the bottom end of the fixed head 7 is fixed with a needle seat 6, and the bottom end of the needle seat 6 is fixed with a second shoulder part 5.

Fixed head 7 is fixed with soft connecting piece 15 on the outer wall of one side, and the one end of soft connecting piece 15 is fixed with protecting crust 16, and the inside of protecting crust 16 is provided with places chamber 17, all be fixed with equidistant elastic positioning contact 18 on the inner wall of placing chamber 17 both sides, and the intracavity 17 inside joint gap 20 that is provided with of placing between the adjacent elastic positioning contact 18, joint gap 20 mutually supports with needle body 9, and all be provided with equidistant ventilation hole 19 on the protecting crust 16 inner wall of elastic positioning contact 18 top, a contamination that receives when being used for reducing needle body 9 stabs medical personnel's the condition and reducing needle body 9 and placing.

The inside of needle file 6 is provided with cassette 21, and is fixed with retainer plate 22 on the outer wall of cassette 21, is fixed with clamping ring 23 on the outer wall of retainer plate 22 on the one side of keeping away from cassette 21, and clamping ring 23 and the inner wall fixed connection of needle file 6 for the filtering operation of liquid medicine.

The first shoulder 3 is arranged below the second shoulder 5, the connector 1 is fixed at the bottom end of the first shoulder 3, the top end of the first shoulder 3 is connected with the bottom end of the second shoulder 5 through the viscose 4, the infusion channel 10 is arranged inside the needle body 9, and the separation structure 2 is arranged on the outer wall of the connector 1.

Fixed cover 201, flank 202 and rubber circle 203 have been set gradually to separation structure 2's inside, are fixed with fixed cover 201 on the outer wall of connector 1, all are fixed with flank 202 on the outer wall of fixed cover 201 both sides, and the top and the bottom of flank 202 all are fixed with rubber circle 203.

The forefinger and the ring finger of medical personnel one hand hook on the flank 202 of fixed cover 201 both sides, and rubber circle 203 contacts with finger portion skin, increase frictional force, and the syringe is held between the fingers to the other hand, can be quick with syringe and syringe needle separation, both saved strength, improved the efficiency that the syringe needle was taken off again to the convenience when having improved the syringe needle and having pulled out.

The working principle is as follows: when in use, the medical staff inserts the needle body 9 and the puncture head 12 into the liquid medicine completely, pulls the syringe to make the liquid medicine enter the interior of the infusion channel 10 through the infusion port 14, the infusion channel 10 guides the liquid medicine into the interior of the syringe, the position of the liquid inlet hole 13 is close to the top end of the puncture head 12, the liquid medicine in the bottle can be sucked to the maximum extent, thereby reducing the residue of the liquid medicine in the bottle when the liquid medicine is extracted, and further reducing the waste of the liquid medicine, meanwhile, the arrangement of the infusion port 14 is different from the prior structure, the infusion port 14 is inclined, the situation that the infusion port 14 is blocked by tiny rubber particles when the liquid medicine is extracted is avoided, then, in the extraction process of the liquid medicine, the filter 21 in the fixing ring 22 blocks impurities and sediments in the liquid medicine, the fixing ring 22 is fixedly connected with the needle base 6 through the connecting ring 23, the fixing ring is prevented from entering the interior of the syringe, under the action of, impurities and sediments can flow out of the needle body 9, thereby avoiding the impurities and sediments from being injected into the body of a patient, reducing potential safety hazards, then, medical personnel presses the injector to enable the liquid medicine in the injector to sequentially pass through the infusion channel 10 and the infusion port 14 to enter the body of the patient, completing the injection work of the liquid medicine, when the needle body 9 is pulled out, the medical personnel pulls the protective shell 16 to be arranged at one side of the needle body 9, presses the protective shell 16 to be clamped with the needle body 9 under the action of the soft connecting piece 15, at the moment, the elastic positioning contact piece 18 in the cavity 17 is arranged to fix the needle body 9, the needle body 9 is arranged in the clamping gap 20, meanwhile, the ventilation hole 19 is arranged to ensure the circulation of the air in the protective shell 16, avoid the generation of bacteria in a closed humid environment, the protective function of the needle body 9 is realized, the condition that the needle body 9 stabs the medical personnel is reduced, and the pollution when the needle body, finally, the forefinger and the ring finger of one hand of the medical staff hook the side wings 202 on the two sides of the fixed sleeve 201, the rubber ring 203 is in contact with the skin of the finger part, the friction force is increased, the syringe is pinched by the other hand, the syringe can be quickly separated from the needle head, the strength is saved, the needle head taking-off efficiency is improved, the convenience of the needle head in pulling is improved, and the work of the needle head of the syringe is completed.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a syringe needle, includes disengaging structure (2), needle body (9), head (11), infusion mouth (14) and protecting crust (16), its characterized in that: the utility model discloses a needle set, including needle body (9), the top of needle body (9) is provided with head (11), and the top of head (11) is fixed with piercing head (12) to the bottom of needle body (9) is provided with afterbody (8), the bottom mounting of afterbody (8) has fixed head (7), and the bottom mounting of fixed head (7) has needle file (6), and the bottom mounting of needle file (6) has second shoulder (5), the below of second shoulder (5) is provided with first shoulder (3), and the bottom mounting of first shoulder (3) has connector (1), and the top of first shoulder (3) is connected through viscose (4) with the bottom of second shoulder (5), the inside of needle body (9) is provided with infusion channel (10), be provided with separation structure (2) on the outer wall of connector (1).

2. A syringe needle according to claim 1, characterized in that: fixed cover (201), flank (202) and rubber circle (203) have been set gradually to the inside of isolating construction (2), be fixed with fixed cover (201) on the outer wall of connector (1).

3. A syringe needle according to claim 2, wherein: all be fixed with flank (202) on the outer wall of fixed cover (201) both sides, and the top and the bottom of flank (202) all are fixed with rubber circle (203).

4. A syringe needle according to claim 1, characterized in that: a filter sheet (21) is arranged in the needle seat (6), and a fixing ring (22) is fixed on the outer wall of the filter sheet (21).

5. A syringe needle according to claim 1, characterized in that: the outer wall of one side of the fixed head (7) is fixed with a soft connecting piece (15), one end of the soft connecting piece (15) is fixed with a protective shell (16), and a placing cavity (17) is arranged in the protective shell (16).

6. A syringe needle according to claim 1, characterized in that: infusion ports (14) with equal intervals are arranged on the outer wall of the bottom of the puncture head (12), and liquid inlet holes (13) are arranged on the outer wall of the puncture head (12) above the infusion ports (14).

7. A syringe needle according to claim 5, wherein: place all to be fixed with equidistant elastic positioning contact (18) on the inner wall of chamber (17) both sides, and the chamber (17) inside of placing between adjacent elastic positioning contact (18) is provided with joint gap (20), and joint gap (20) and needle body (9) are mutually supported to all be provided with equidistant ventilation hole (19) on protective housing (16) inner wall of elastic positioning contact (18) top.

8. A syringe needle according to claim 4, wherein: a connecting ring (23) is fixed on the outer wall of one side of the fixing ring (22) far away from the filter sheet (21), and the connecting ring (23) is fixedly connected with the inner wall of the needle seat (6).