CN215386569U

CN215386569U - Syringe needle anti-drop syringe

Info

Publication number: CN215386569U
Application number: CN202120285683.5U
Authority: CN
Inventors: 覃祖敢; 程丽佳; 时运; 彭雨; 邹凡; 穆君宇; 刘姚志; 侯沙; 陈程; 杨征
Original assignee: Chengdu University
Current assignee: Chengdu University
Priority date: 2021-02-01
Filing date: 2021-02-01
Publication date: 2022-01-04
Anticipated expiration: 2031-02-01

Abstract

The utility model discloses a needle head anti-falling syringe, and relates to the technical field of medical instruments. The anti-falling device comprises an injector body, a needle head part and an anti-falling part, wherein the lower end of the needle head part is connected with the upper end of the injector body, and the anti-falling part is arranged on the upper surface of the injector body. The utility model realizes the injection of the medicine by the mutual matching of the injector body and the needle head part, and meanwhile, the anti-falling component is used for enhancing the fixing function of the connection of the needle head part and the injector body, ensuring the stability of the needle head part in the using process, preventing the needle head from falling off due to the internal pressure action of the injector when the needle tube is exhausted and the patient is injected, causing the medicine waste and the injury to the patient, and greatly improving the safety of the injection process and the practicability of the injector.

Description

Syringe needle anti-drop syringe

Technical Field

The utility model belongs to the technical field of medical instruments, and particularly relates to a needle head anti-falling injector.

Background

The injector is a common medical appliance, mainly comprises a needle head, a needle tube, an injection push rod and the like, and gas or liquid is extracted or injected by the needle head, so that the injector is widely applied to the medical industry, is used for subcutaneous injection, intravenous infusion and the like, and plays an important role in clinical medicine.

At present, current syringe is various, and simple structure is split type structure, because its internal pressure effect appears the syringe needle easily and drops in the use, leads to the liquid medicine to spill, causes the waste, and the syringe needle that drops simultaneously remains easily in sick muscle, causes further injury, and the practicality is relatively poor, and at the injection process because the smooth effect of its surface causes easily skids or takes off one's hand, is not convenient for use. To this end, we propose a needle anti-slip syringe.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a needle head anti-drop syringe aiming at the defects and shortcomings of the prior art.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to a needle head anti-falling syringe which comprises a syringe body, a needle head part and an anti-falling component, wherein the lower end of the needle head part is connected with the upper end of the syringe body;

the syringe body comprises a needle cylinder and a needle seat connecting part, the needle seat connecting part is arranged on the upper surface of the needle cylinder, the front surface and the rear surface of the needle cylinder are both provided with scale marks, the needle head part comprises a needle seat and a buckling lug, the outer surface of the needle seat connecting part is matched with an inner cavity of the needle seat, the buckling lug is arranged at the lower end of the needle seat, the upper surface of the needle seat is provided with a needle head, the anti-falling part comprises a rubber base, the surface of the rubber base is provided with a central through hole which is matched with the needle seat connecting part, the upper surface of the rubber base is provided with an annular buckling groove which is matched with the buckling lug, the medicine proportion in the medicine dispensing process can be controlled strictly through the scale marks, the use is facilitated, the buckling lug is matched with the buckling groove on the upper surface of the rubber base, the stability of the needle seat installation is greatly improved, and meanwhile, the friction force between the needle seat and the rubber base is increased due to the anti-slip effect of the rubber base, further improving the fixing function of the needle seat connection, effectively preventing the needle head part from falling off and improving the practicability of the injector.

Preferably, the syringe body includes first arch, and a plurality of first arch sets up respectively at the cylinder left and right sides surface, through first arch has increased the friction between user and the syringe, effectively prevents that the syringe from skidding, taking off the hand phenomenon from appearing in the injection process, has improved the security of syringe.

Preferably, the inner cavity of the syringe is provided with an auxiliary push rod, the upper end and the lower end of the auxiliary push rod are respectively connected with a rubber head plunger and a pressing head, and the rubber head plunger is matched with the inner cavity of the syringe.

Preferably, the cylinder lower surface left and right sides all is provided with handheld ear, just two surfaces all are provided with a plurality of second archs about handheld ear, through the protruding friction that has further improved the syringe in the use of second prevents to skid, takes off the hand phenomenon, has made things convenient for the use.

Preferably, the upper surface of the needle base is circumferentially and uniformly provided with clamping grooves, the lower side of the outer surface of the needle base is provided with a plurality of anti-slip grooves, and the anti-slip grooves increase the friction effect of the needle head part, so that the needle head part can be conveniently taken down and installed, and the phenomenon that the needle head part slips and pricks a user in the taking down and installing processes is prevented.

Preferably, the needle cylinder upper surface is provided with the mounting corresponding to the draw-in groove, the mounting upper end is connected with the fixture block, the fixture block cooperatees with the draw-in groove, through in the fixture block inserts the draw-in groove, under the fixed action of mounting, further improved the steadiness of syringe needle portion installation, effectively prevented that syringe needle portion from droing phenomenon from appearing in the use, improved the security of syringe and the stability of use.

The utility model has the following beneficial effects:

the utility model is convenient for strictly controlling the medicine proportion in the medicine dispensing process through the scale marks and is convenient for use, the buckling lug is matched with the buckling groove on the upper surface of the rubber base, the mounting stability of the needle base is greatly improved, meanwhile, the friction force between the needle base and the rubber base is increased due to the anti-skidding function of the rubber base, the fixing function of the connection of the needle base is further improved, the falling of the needle head part is effectively prevented, and the practicability of the injector is improved.

The first bulge increases the friction between a user and the injector, effectively prevents the phenomenon that the needle cylinder slips and falls off the hand in the injection process, and improves the safety of the injector.

According to the utility model, the fixture block is inserted into the clamping groove, so that the stability of the needle head part installation is further improved under the fixing action of the fixing piece, the phenomenon that the needle head part falls off in the using process is effectively prevented, and the safety and the stability of the syringe in the using process are improved.

Of course, it is not necessary for any product in which the utility model is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a cross-sectional view in elevation of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 2;

fig. 5 is an enlarged schematic view of the structure at B in fig. 3.

In the drawings, the components represented by the respective reference numerals are listed below:

100. an injector body; 200. a needle location; 300. an anti-drop component; 101. a needle cylinder; 102. a needle seat connecting part; 103. scale lines; 104. a first protrusion; 105. a push-aid rod; 106. a rubber head plunger; 107. a pressing head; 108. holding the ear in a hand; 109. a second protrusion; 201. a needle seat; 202. buckling lugs; 203. a needle head; 204. a card slot; 205. an anti-slip groove; 301. a rubber base; 302. a fixing member; 303. and (7) clamping blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "middle", "outer", "inner", and the like, indicate orientations or positional relationships, are used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 5, the present invention is a needle anti-drop syringe, including a syringe body 100, a needle portion 200 and an anti-drop member 300, wherein the lower end of the needle portion 200 is connected to the upper end of the syringe body 100, and the anti-drop member 300 is disposed on the upper surface of the syringe body 100;

the syringe body 100 comprises a syringe 101 and a needle seat connecting part 102, the needle seat connecting part 102 is arranged on the upper surface of the syringe 101, the front surface and the back surface of the syringe 101 are both provided with scale marks 103, the needle head part 200 comprises a needle seat 201 and a buckle 202, the outer surface of the needle seat connecting part 102 is matched with the inner cavity of the needle seat 201, the buckle 202 is arranged at the lower end of the needle seat 201, the upper surface of the needle seat 201 is provided with a needle 203, the anti-falling part 300 comprises a rubber base 301, the surface of the rubber base 301 is provided with a central through hole matched with the needle seat connecting part 102, the upper surface of the rubber base 301 is provided with an annular buckle groove matched with the buckle 202, the medicine proportion in the medicine dispensing process can be controlled strictly through the scale marks 103, the use is facilitated, the buckle 202 is matched with the buckle groove on the upper surface of the rubber base 301, the mounting stability of the needle seat 201 is greatly improved, meanwhile, the anti-sliding effect of the rubber base 301 is realized, the friction force between the needle seat 201 and the rubber base 301 is increased, further improving the fixing function of the connection of the needle base 201, effectively preventing the needle head part 200 from falling off and improving the practicability of the injector.

Further, the injector body 100 comprises the first protrusions 104, the first protrusions 104 are respectively arranged on the left surface and the right surface of the syringe 101, friction between a user and the injector is increased through the first protrusions 104, the phenomena that the syringe 101 slips and falls off the hand in the injection process are effectively prevented, and the safety of the injector is improved.

Furthermore, a boosting rod 105 is arranged in the inner cavity of the needle cylinder 101, the upper end and the lower end of the boosting rod 105 are respectively connected with a rubber head plunger 106 and a pressing head 107, and the rubber head plunger 106 is matched with the inner cavity of the needle cylinder 101.

Further, the lower surface left and right sides of cylinder 101 all is provided with handheld ear 108, and both surfaces all are provided with a plurality of protruding 109 of second about handheld ear 108, have further improved the frictional action in the syringe use through protruding 109 of second, prevent to appear skidding, take off the hand phenomenon, have made things convenient for the use.

Further, the upper surface of the needle base 201 is circumferentially and uniformly provided with the clamping grooves 204, the lower side of the outer surface of the needle base 201 is provided with a plurality of anti-slip grooves 205, the friction effect of the needle head part 200 is increased through the anti-slip grooves 205, the needle head part 200 is convenient to take down and install, slipping in the taking down and installing process is prevented, and a user can be pricked.

Further, the upper surface of the needle cylinder 101 is provided with a fixing piece 302 corresponding to the clamping groove 204, the upper end of the fixing piece 302 is connected with a clamping block 303, the clamping block 303 is matched with the clamping groove 204, the clamping block 303 is inserted into the clamping groove 204, the stability of the needle head 200 in installation is further improved under the fixing effect of the fixing piece 302, the phenomenon that the needle head 200 falls off in the using process is effectively prevented, and the safety of the injector and the stability of the using process are improved.

The working principle is as follows: in the use process, the needle base 201 is sleeved on the needle base connecting part 102, the buckling lug 202 is clamped in the buckling groove on the upper surface of the rubber base 301, and the clamping block 303 at the upper end of the fixing part 302 is clamped in the clamping groove 204, so that the mounting stability of the needle head part 200 is improved, and the phenomenon that the needle head part 200 falls off is effectively prevented.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A needle head anti-drop syringe comprises a syringe body (100), a needle head part (200) and an anti-drop component (300), and is characterized in that the lower end of the needle head part (200) is connected with the upper end of the syringe body (100), and the anti-drop component (300) is arranged on the upper surface of the syringe body (100);

syringe body (100) include cylinder (101) and needle file connecting portion (102) set up in cylinder (101) upper surface, both surfaces all are provided with scale mark (103) around cylinder (101), syringe head position (200) are including needle file (201) and buckle ear (202), needle file connecting portion (102) surface cooperatees with needle file (201) inner chamber, buckle ear (202) set up at needle file (201) lower extreme, needle file (201) upper surface is provided with syringe needle (203), anticreep part (300) include rubber base (301), rubber base (301) surface is provided with central through-hole and cooperatees with needle file connecting portion (102), just rubber base (301) upper surface is provided with annular catching groove and buckles ear (202) and cooperatees.

2. The needle anti-drop syringe according to claim 1, wherein the syringe body (100) comprises first protrusions (104), and the first protrusions (104) are respectively disposed on the left and right surfaces of the barrel (101).

3. The needle anti-drop syringe according to claim 1, wherein an auxiliary push rod (105) is arranged in the inner cavity of the cylinder (101), a rubber head plunger (106) and a pressing head (107) are respectively connected to the upper end and the lower end of the auxiliary push rod (105), and the rubber head plunger (106) is matched with the inner cavity of the cylinder (101).

4. The needle anti-drop syringe according to claim 1, wherein the left and right sides of the lower surface of the cylinder (101) are provided with a handheld ear (108), and the upper and lower surfaces of the handheld ear (108) are provided with a plurality of second protrusions (109).

5. The needle anti-drop syringe according to claim 1, characterized in that the upper surface of the needle holder (201) is uniformly provided with clamping grooves (204) in a circumferential shape, and the lower side of the outer surface of the needle holder (201) is provided with a plurality of anti-drop grooves (205).

6. The needle anti-drop syringe according to claim 5, wherein a fixing element (302) is arranged on the upper surface of the needle cylinder (101) corresponding to the clamping groove (204), a clamping block (303) is connected to the upper end of the fixing element (302), and the clamping block (303) is matched with the clamping groove (204).