CN216725421U - First-aid type pre-mounted syringe - Google Patents

Abstract

The utility model discloses a first-aid type pre-installed syringe, which comprises a needle tube and a fixing plate, wherein the needle tube is made of medium borosilicate glass, scales are arranged on the needle tube, a piston shaft is arranged in the needle tube, a stop block is arranged at the right end of the piston shaft, a needle head is arranged at the front end of the needle tube, the needle head is of a hollow structure, a needle head cover is sleeved outside the needle head, a rubber plug is fixedly connected in the needle head cover, and the rubber plug is movably sleeved with the needle head. The first-aid type pre-installed syringe achieves the purpose of avoiding absorbing and configuring the medicine additionally by pre-installing the medicine into the needle tube, achieves the purpose of pre-installing the medicine by pre-injecting the medicine into the needle tube, enables the medicine to be more stable in pre-installation due to the fact that the borosilicate glass can avoid the medicine from going bad in the needle tube due to the adoption of the needle tube, is fixedly connected with the rubber plug in the needle head cover, enables the rubber plug to be movably sleeved with the needle head to plug the needle head, enables the medicine cavity to form an airtight cavity, and prevents the medicine from flowing out and degeneration of the medicine.

Description

First-aid type pre-mounted syringe

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a first-aid type prefilled syringe.

Background

The syringe is a common medical appliance, and the syringe on the market is different according to its model, can be used for extracting the back to the liquid medicine, injects the patient, perhaps extracts patient's body fluid, and the syringe is usually including cylinder and the piston rod of slip insertion setting in the cylinder, is provided with the scale mark that connects and the control liquid volume of carrying liquid on the cylinder, the piston rod including pressing the splenium and setting up in the plug that connects one side, send through taking out the piston rod during the use to reach the extraction or carry the purpose of liquid.

However, the conventional syringe has the following problems:

1. the existing injector needs to be configured and sucked with first-aid medicines before injecting medicines to a patient, certain time is consumed, the existing injector is not beneficial to use in a rescue scene, and in addition, the phenomenon of medicine pollution is easy to occur in the process of sucking the medicines, so that the pre-assembled injector is more in line with the emergency scene;

2. the existing prefilled syringes are prefilled with a dose of medication, but are prone to leakage during transportation, which makes the medication prone to contamination and dose non-compliance.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a first-aid type prefilled syringe, which solves the problems that the prior syringe in the prior art needs to be configured and sucked with first-aid medicines before being used for injecting medicines to patients, needs to consume a certain time, is not beneficial to use in a rescue scene, and is easy to cause medicine pollution in the process of sucking medicines, so that the prefilled syringe is more in line with the emergency scene; the existing prefilled syringe is prefilled with a certain dosage of medicine, but is easy to leak in the transportation process, so that the medicine is easy to be polluted and does not conform to the dosage problem of use.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a first-aid type pre-installation syringe, includes needle tubing and fixed plate, borosilicate glass preparation in the needle tubing adopts, the scale has been seted up on the needle tubing, be equipped with the piston axle in the needle tubing, the right-hand member of piston axle is equipped with the dog, the front end of needle tubing is equipped with the syringe needle, the syringe needle is hollow structure, syringe needle cover has cup jointed the syringe needle lid outward, fixedly connected with rubber buffer in the syringe needle lid, the rubber buffer cup joints with the syringe needle activity.

Preferably, the front end of piston shaft is equipped with first piston, first piston adopts halogenated butyl rubber material, be equipped with the second piston between the first piston, second piston and first piston fixed connection, the outer lane of second piston is provided with the frictional layer, be equipped with first fixed block, second fixed block and third fixed block on the fixed plate.

Preferably, the upper ends of the first fixing block and the second fixing block are made of elastic soft rubber materials, round openings are formed in the first fixing block and the second fixing block, fixing grooves are formed in the third fixing block, and the second fixing block is located between the first fixing block and the third fixing block.

Preferably, the needle head is provided with a connecting block, a joint is arranged in the connecting block, the inner side of the connecting block is provided with threads, the connecting block is in threaded connection with the needle tube, and the joint is sleeved in the needle tube.

Preferably, a packing box is bonded on the fixing plate, the first fixing block is movably sleeved with the piston shaft, the second fixing block is movably sleeved with the needle tube, and the third fixing block is movably sleeved with the needle cover.

Preferably, fixedly connected with handle on the needle tubing, the quantity of handle sets up to two sets of, the handle is the symmetric distribution, first piston and piston shaft fixed connection, the quantity of first piston sets up to two sets of.

(III) advantageous effects

The utility model provides a first-aid prefilled syringe. The method has the following beneficial effects:

(1) the first-aid type prefilled syringe achieves the purpose of avoiding additional medicine suction and allocation by pre-filling the medicine into the needle tube, achieves the purpose of prefilling by pre-filling the medicine into the needle tube, can avoid the medicine from going bad in the needle tube by adopting the borosilicate glass in the needle tube, enables the medicine to be more stably prefilled, and is fixedly connected with the rubber plug in the needle head cover, so that the rubber plug is movably sleeved with the needle head to block the needle head, a medicine cavity is formed into a closed cavity, the medicine is prevented from flowing out, and the medicine is prevented from being denatured;

(2) this first-aid type pre-installation syringe, realize avoiding the purpose of medicine leakage through setting up first piston and second piston and first fixed block and second fixed block, adopt two sets of first pistons and a set of second piston to fix the front end at the piston axle, and what first piston adopted is the halogenated butyl rubber material, have the gas tightness, waterproof nature is still just heat-resisting performance height, and set up the frictional layer on the second piston, the frictional force of piston and needle tubing wall has been strengthened, can prevent that the piston displacement that the mistake touched the production makes the medicine take place to leak or contaminated, or make the dosage produce the change, first fixed block, the second fixed block adopts and can make things convenient for the centre gripping and the extraction of needle tubing and piston axle according to elastic flexible glue material, conveniently fix the relative position of piston axle and needle tubing, thereby prevent that the piston axle from taking place to remove and leaking the medicine in the needle tubing.

Drawings

FIG. 1 is a schematic view of a needle cannula according to the present invention;

FIG. 2 is a cross-sectional view of a needle cannula of the present invention;

FIG. 3 is a schematic view of the structure of the needle of the present invention;

FIG. 4 is a schematic view of a fixing plate according to the present invention;

fig. 5 is a schematic structural view of the packing box of the present invention.

In the figure, a needle tube-1, a fixing plate-2, scales-3, a piston shaft-4, a handle-5, a stop-6, a first piston-7, a second piston-8, a friction layer-9, a needle-10, a connecting block-11, a joint-12, a needle cover-13, a rubber plug-14, a first fixing block-15, a second fixing block-16, a third fixing block-17, a packaging box-18 and a fixing groove-19.

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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1-5, an embodiment of the utility model provides a technical solution: a first-aid type pre-installed syringe comprises a needle tube 1 and a fixing plate 2, wherein the needle tube 1 is made of borosilicate glass, scales 3 are arranged on the needle tube 1, a piston shaft 4 is arranged in the needle tube 1, a stop block 6 is arranged at the right end of the piston shaft 4, a needle 10 is arranged at the front end of the needle tube 1, the needle 10 is of a hollow structure, a needle cover 13 is sleeved outside the needle 10, a rubber plug 14 is fixedly connected in the needle cover 13, the rubber plug 14 is movably sleeved with the needle 10, the pre-installation purpose is realized by filling medicine into the needle tube 1 in advance, the needle tube 1 adopts the borosilicate glass to prevent the medicine from going bad in the needle tube 1, so that the medicine is more stably pre-installed, meanwhile, the rubber plug 14 is fixedly connected in the needle cover 13, so that the rubber plug 14 is movably sleeved with the needle 10 to block the needle 10, and a medicine cavity becomes an airtight cavity, not only prevents the medicine from flowing out, but also prevents the medicine from being denatured.

The front end of piston shaft 4 is equipped with first piston 7, first piston 7 adopts halogenated butyl rubber material, be equipped with second piston 8 between the first piston 7, second piston 8 and first piston 7 fixed connection, the outer lane of second piston 8 is provided with frictional layer 9, be equipped with first fixed block 15, second fixed block 16 and third fixed block 17 on the fixed plate 2, adopt two sets of first pistons 7 and a set of second piston 8 to fix the front end at piston shaft 4 to first piston 7 adopts halogenated butyl rubber material, has the gas tightness, waterproof nature still and heat-resisting performance height, and sets up frictional layer 9 on second piston 8, has strengthened the frictional force of piston and needle tubing 1 wall, can prevent that the piston displacement that the mistake touched the production makes the medicine take place to leak or be polluted, or make the dosage produce the change.

Elastic soft glue material has all been adopted to the upper end of first fixed block 15 and second fixed block 16, circular opening has all been seted up in first fixed block 15 and the second fixed block 16, fixed slot 19 has been seted up on the third fixed block 17, second fixed block 16 is located between first fixed block 15 and the third fixed block 17, and first fixed block 15, second fixed block 16 adopt according to elastic soft glue material can make things convenient for the centre gripping of needle tubing 1 and piston shaft 4 and extract, conveniently fix the relative position of piston shaft 4 and needle tubing 1, thereby prevent that piston shaft 4 from taking place to remove and leaking the medicine in the needle tubing 1.

Be equipped with connecting block 11 on syringe needle 10, be equipped with in the connecting block 11 and connect 12, connecting block 11 inboard has seted up the screw thread, connecting block 11 and 1 threaded connection of needle tubing, connect 12 and cup joint in needle tubing 1, be connected syringe needle 10 and needle tubing 1 through connecting block 11 for connect 12 and cup joint inside needle tubing 1.

The packaging box 18 is bonded on the fixing plate 2, the first fixing block 15 is movably sleeved with the piston shaft 4, the second fixing block 16 is movably sleeved with the needle tube 1, and the third fixing block 17 is movably sleeved with the needle cover 13, so that the sealing performance is better.

Fixedly connected with handle 5 on the needle tubing 1, the quantity of handle 5 sets up to two sets ofly, handle 5 is the symmetric distribution, first piston 7 and piston shaft 4 fixed connection, the quantity of first piston 7 sets up to two sets ofly, is equipped with handle 5 and makes things convenient for the use of syringe.

The working principle is as follows: when the pre-installed syringe is produced, a medicine is filled into the needle tube 1, the dosage of the medicine is controlled according to the scale 3 on the needle tube 1, the needle tube 1 is made of medium borosilicate glass, the material can prevent the medicine from being changed in the process of storing in the needle tube 1, the medicine is filled into the needle tube 1 in advance, the waste time of extracting and allocating the medicine is avoided, and the situation that the medicine is possibly polluted in the process of extracting and allocating the medicine is avoided, a rubber plug 14 is fixedly connected in a needle head cover 13, the rubber plug 14 is movably sleeved with a needle head 10 to plug the needle head 10, a medicine cavity is a closed cavity gap, the medicine is prevented from flowing out and being changed, two groups of first pistons 7 are fixedly connected at the front end of a piston shaft 4 arranged in the needle tube 1, a second piston 8 is arranged between the two groups of first pistons 7, a friction layer 9 is fixedly connected on the outer ring of the second piston 8, the friction force between the piston and the inner wall of the needle tube 1 is enhanced, the piston shaft 4 cannot move easily, the possibility of medicine leakage and deterioration is reduced, the relative positions of the piston shaft 4 and the needle tube 1 are fixed through the first fixing block 15, the second fixing block 16 and the third fixing block 17, the medicine leakage of the pre-assembled syringe cannot occur in the transportation process, meanwhile, two needles in different injection modes are arranged in each package according to actual requirements, and therefore the pre-assembled syringe can be used by medical staff conveniently.

The needle tube 1, the fixing plate 2, the scale 3, the piston shaft 4, the handle 5, the stop block 6, the first piston 7, the second piston 8, the friction layer 9, the needle 10, the connecting block 11, the joint 12, the needle cover 13, the rubber plug 14, the first fixing block 15, the second fixing block 16, the third fixing block 17, the packing box 18 and the fixing groove 19 of the utility model are all common standard parts or parts known by technicians in the field, the structure and the principle of the utility model can be known by technical manuals or conventional experimental methods, and the utility model solves the problems that the prior injector firstly needs to allocate and absorb emergency drugs before injecting the drugs to patients, needs to consume certain time and is not beneficial to use in rescue scenes, in addition, the phenomenon of medicine pollution is easy to occur in the process of sucking the medicine, so that the pre-assembled syringe is more suitable for emergency scenes; the utility model realizes the purpose of avoiding additional medicine suction and allocation by pre-loading the medicine into the needle tube and the purpose of avoiding medicine leakage by arranging the first piston and the second piston as well as the first fixed block and the second fixed block through the mutual combination of the components.

While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (6)

1. A ready-to-use prefilled syringe comprising: including needle tubing (1) and fixed plate (2), borosilicate glass preparation in needle tubing (1) adopts, scale (3) have been seted up on needle tubing (1), be equipped with piston shaft (4) in needle tubing (1), the right-hand member of piston shaft (4) is equipped with dog (6), the front end of needle tubing (1) is equipped with syringe needle (10), syringe needle (10) are hollow structure, syringe needle (10) overcoat has connect syringe needle lid (13), fixedly connected with rubber buffer (14) in syringe needle lid (13), rubber buffer (14) cup joint with syringe needle (10) activity.

2. The pre-filled emergency syringe of claim 1, wherein: the front end of piston shaft (4) is equipped with first piston (7), first piston (7) adopt halogenated butyl rubber material, be equipped with second piston (8) between first piston (7), second piston (8) and first piston (7) fixed connection, the outer lane of second piston (8) is provided with frictional layer (9), be equipped with first fixed block (15), second fixed block (16) and third fixed block (17) on fixed plate (2).

3. The pre-filled emergency syringe of claim 2, wherein: the upper ends of the first fixing block (15) and the second fixing block (16) are made of elastic soft rubber materials, round openings are formed in the first fixing block (15) and the second fixing block (16), fixing grooves (19) are formed in the third fixing block (17), and the second fixing block (16) is located between the first fixing block (15) and the third fixing block (17).

4. The pre-filled emergency syringe of claim 1, wherein: be equipped with connecting block (11) on syringe needle (10), be equipped with in connecting block (11) and connect (12), connecting block (11) inboard is seted up threadedly, connecting block (11) and needle tubing (1) threaded connection, connect (12) and cup joint in needle tubing (1).

5. A pre-filled emergency syringe according to claim 3, wherein: the needle tube fixing device is characterized in that a packing box (18) is bonded on the fixing plate (2), the first fixing block (15) is movably sleeved with the piston shaft (4), the second fixing block (16) is movably sleeved with the needle tube (1), and the third fixing block (17) is movably sleeved with the needle head cover (13).

6. The pre-filled emergency syringe of claim 2, wherein: fixedly connected with handle (5) on needle tubing (1), the quantity of handle (5) sets up to two sets of, handle (5) are the symmetric distribution, first piston (7) and piston shaft (4) fixed connection, the quantity of first piston (7) sets up to two sets of.

Images