CN212730605U

CN212730605U - Disposable heparin tube sealing liquid injector

Info

Publication number: CN212730605U
Application number: CN202020405378.0U
Authority: CN
Inventors: 刘文媛
Original assignee: First Affiliated Hospital of Medical College of Xian Jiaotong University
Current assignee: First Affiliated Hospital of Medical College of Xian Jiaotong University
Priority date: 2020-03-26
Filing date: 2020-03-26
Publication date: 2021-03-19
Anticipated expiration: 2030-03-26

Abstract

The utility model discloses a disposable heparin tube sealing liquid injector, which comprises a needle tube and a needle head, wherein the bottom of the needle tube is provided with an injection port, the needle head is arranged at the bottom of the injection port, a fixed connecting seat is arranged between the needle head and the injection port, a protective cover is sleeved outside the needle head, a push rod is arranged in the needle tube, a sealing rubber plug is arranged at the bottom of the push rod, the bottom of the sealing rubber plug is abutted against the bottom of the inner side of the needle tube, the top of the push rod is provided with a push plate, the side surface of, the needle head is fixedly arranged at the bottom of the needle tube, so that the needle head is prevented from contacting with germs before being used and being arranged, the pollution of germs is reduced, the bottom of the injection handle is provided with the groove, so that the friction force between the injection handle and fingers in the injection process is increased, the phenomenon that the hands slide in the injection process is avoided, the injection stability is improved, through disposable use, the pollution from the outside in the injection process is reduced, and the safety of injection medication is improved.

Description

Disposable heparin tube sealing liquid injector

Technical Field

The utility model relates to an injector, more specifically the utility model discloses, the utility model mainly relates to a disposable heparin tube sealing liquid injector.

Background

Heparin sodium seals a tub injection, a lumen for maintaining intravenous injection apparatus (if keep somewhere the needle, the pipe) is unobstructed, can place injection apparatus in the vein after, use medicine and use after taking a blood sample at every turn, central venous catheter, infusion port etc. is after the infusion finishes at every turn, blood flows backward to in the pipe easily, it blocks up the pipe consequently to solidify, need at first use normal saline to wash the pipe after the infusion finishes at every turn, then seal the pipe with the liquid that contains the anticoagulant, with the anti-blood reflux blocking pipe, current heparin seals a tub liquid syringe, when the syringe that uses many times is deposited, the syringe needle exposes outside with the hookup location of needle tubing, there is the bacterium easily, virus and dust fall into wherein, influence injection quality.

SUMMERY OF THE UTILITY MODEL

One of the purposes of the utility model is to solve the above-mentioned not enough, provide a disposable heparin tube sealing liquid syringe to when expecting to solve the syringe of repetitious usage and depositing, the syringe needle exposes outside with the hookup location of needle tubing, has bacterium, virus and dust to fall into wherein easily, influences injection quality scheduling problem.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model provides a disposable heparin tube sealing liquid syringe, including syringe tube and syringe needle, syringe tube bottom is equipped with the injection mouth, and shown syringe needle is arranged in injection mouth bottom, the syringe needle with be equipped with the fixed connection seat between the injection mouth, the syringe needle overcoat is equipped with the visor, the intraductal push rod that is equipped with of syringe, the push rod bottom is equipped with sealed plug, sealed plug bottom with syringe tube inboard bottom is inconsistent, the push rod top is equipped with the push pedal, syringe tube upper end side is equipped with injection handle.

Preferably, the further technical scheme is as follows: the outer side of the bottom of the injection port is provided with a sealing layer, the outer side of the sealing layer is provided with an external thread, the inner side of the upper end of the fixed connecting seat is provided with an internal thread, and the external thread is matched with the internal thread.

The further technical scheme is as follows: the bottom of the injection handle is provided with a plurality of grooves.

The further technical scheme is as follows: the side face of the fixed connecting seat is provided with a clamping groove, the inner side of the protective cover is provided with a clamping tooth, and the clamping groove and the clamping tooth correspond to each other and are matched with each other.

The further technical scheme is as follows: the outer side of the syringe barrel is provided with volume scales.

The further technical scheme is as follows: the outer diameter of the sealing rubber plug is consistent with the diameter of the inner wall of the syringe tube.

Compared with the prior art, one of the beneficial effects of the utility model is that: through with syringe needle fixed mounting syringe needle tube bottom avoids installing syringe needle in-process contact germ before the use, reduces germ and pollutes, through set up the recess in injection handle bottom, increases in the friction of injection in-process and finger, avoids appearing the hand smooth in the injection process, improves the stability of injection, through disposable, has reduced the injection in-process and has received external pollution, has improved the security of injection medicine, simultaneously the utility model provides a disposable heparin tube sealing liquid syringe simple structure, it is convenient to use, easily promotes.

Drawings

Fig. 1 is a schematic diagram illustrating a longitudinal sectional structure of a disposable heparin catheter-sealing liquid injector according to an embodiment of the present invention.

Fig. 2 is a schematic structural view illustrating a front view of a syringe tube according to another embodiment of the present invention.

Fig. 3 is a schematic structural view illustrating a bottom view of an injection handle according to another embodiment of the present invention.

Fig. 4 is a schematic structural diagram illustrating a bottom view of the fixed connection seat according to another embodiment of the present invention.

Fig. 5 is a schematic structural diagram illustrating a top view of a protective cover according to another embodiment of the present invention.

In the figure, 1 is a syringe tube, 2 is a needle, 3 is an injection port, 4 is a fixed connecting seat, 5 is a protective cover, 6 is a push rod, 7 is a sealing rubber plug, 8 is a push plate, 9 is an injection handle, 10 is a sealing layer, 11 is a groove, 12 is a clamping groove, and 13 is a clamping tooth.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

Referring to fig. 1, 2 and 3, an embodiment of the present invention is a disposable heparin tube sealing liquid injector, including a syringe tube 1 and a needle 2, wherein an injection port 3 is disposed at the bottom of the syringe tube 1, the injection port 3 is a raised cylinder and is fixedly disposed at the bottom of the syringe tube 1, a needle 2 is disposed at the bottom of the injection port 3, a fixed connection seat 4 is disposed between the needle 2 and the injection port 3, the fixed connection seat 4 is a through structure for fixing the needle 2 at the bottom of the injection port 3, a protective cover 5 is disposed outside the needle 2 for preventing the needle 2 from influencing safety before use, a push rod 6 is disposed in the syringe tube 1, a sealing rubber plug 7 is disposed at the bottom of the push rod 6, the bottom of the sealing rubber plug 7 is abutted against the bottom of the inner side of the syringe tube 1, a push plate 8 is disposed at the top of the push rod 6, the push plate 8 is disc-shaped and used for supporting fingers during injection to facilitate injection, the side surface of the upper end of the syringe tube 1 is provided with two injection handles 9, and the two injection handles 9 are symmetrical with the axis of the syringe tube 1 and used for supporting fingers to facilitate injection.

Through with syringe needle 2 fixed mounting in aforementioned syringe barrel 1 bottom, avoid installing 2 in-process contact germs of syringe needle before the use, reduce the germ and pollute, through set up recess 11 in injection handle 9 bottom, increase the frictional force with the finger at the injection in-process, avoid the injection in-process to appear the hand smooth, improve the stability of injection, through disposable, reduced the injection in-process and received external pollution, improved the security of injection medicine.

Referring to fig. 1 and 2, in another embodiment of the present invention, in order to prevent bacteria from entering into the injector and improve the injection quality, a sealing layer 10 is disposed at the outer side of the bottom of the injection port 3, the sealing layer 10 is annular, and the inner diameter of the sealing layer 10 is consistent with the outer diameter of the injection port 3, the sealing layer 10 can be a rubber layer or a silica gel layer, etc., the sealing layer 10 can be fixedly mounted at the outer side of the bottom of the injection port 3 by bonding, and an external thread is disposed at the outer side of the sealing layer 10, and a fixed connection seat 4 is disposed at the upper end of the needle 2, the bottom of the fixed connection seat 4 is fixedly connected with the needle 2, and an internal thread is disposed at the inner side of the upper end of the fixed connection seat 4, the external thread and the internal thread are engaged with each, the pollution to the injector in the process of installing the needle head 2 is avoided, and the injection quality is improved.

Referring to fig. 3, in another embodiment of the present invention, in order to improve the stability during the injection process, the bottom of the injection handle 9 is provided with a plurality of grooves 11, and the grooves 11 are uniformly distributed at the bottom of the injection handle 9, so as to increase the friction force with the fingers during the injection process, thereby avoiding the phenomenon of slipping of the hand during the injection process, and improving the injection stability.

Referring to fig. 4 and 5, in another embodiment of the present invention, in order to prevent the needle 2 from being contaminated before use, at least three slots 12 are provided on the side of the fixed connection seat 4, and the interval between the adjacent slots 12 is consistent, and at least three latches 13 are provided on the inner side of the protective cover 5, and the interval between the adjacent latches 13 is consistent, and the slots 12 and the latches 13 correspond to each other and are matched with each other, so as to mount the protective cover 5 on the fixed connection seat 4, and the protective cover 5 is a hollow structure and is matched with the needle 2.

Referring to fig. 1, in another embodiment of the present invention, in order to improve the accuracy of the amount in the injection process and improve the injection quality, the injection quantity can be observed through the volume scale outside the syringe tube 1, so that the injection quantity can be observed through the volume scale in the injection process, thereby avoiding the phenomena of excessive injection or insufficient injection quantity, etc., and meanwhile, the outer diameter of the sealing rubber plug 7 is consistent with the diameter of the inner wall of the syringe tube 1, thereby improving the sealing performance in the injection process and improving the injection quality.

Reference throughout this specification to "one embodiment," "another embodiment," "an embodiment," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment described generally in this application. The appearances of the same phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the scope of the invention to effect such feature, structure, or characteristic in connection with other embodiments.

Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.

Claims

1. The utility model provides a disposable heparin tube sealing liquid syringe, includes syringe needle pipe (1) and syringe needle (2), its characterized in that: the novel needle tube is characterized in that an injection port (3) is formed in the bottom of the needle tube (1), the needle head (2) is arranged at the bottom of the injection port (3), a fixed connecting seat (4) is arranged between the needle head (2) and the injection port (3), a protective cover (5) is sleeved outside the needle head (2), a push rod (6) is arranged in the needle tube (1), a sealing rubber plug (7) is arranged at the bottom of the push rod (6), the bottom of the sealing rubber plug (7) is abutted to the bottom of the inner side of the needle tube (1), a push plate (8) is arranged at the top of the push rod (6), and an injection handle (9) is arranged on the side face of the.

2. The disposable heparin lock syringe of claim 1, wherein: the outer side of the bottom of the injection port (3) is provided with a sealing layer (10), the outer side of the sealing layer (10) is provided with an external thread, the inner side of the upper end of the fixed connecting seat (4) is provided with an internal thread, and the external thread is matched with the internal thread.

3. The disposable heparin lock syringe of claim 1, wherein: the bottom of the injection handle (9) is provided with a plurality of grooves (11).

4. The disposable heparin lock syringe of claim 1, wherein: the side face of the fixed connecting seat (4) is provided with a clamping groove (12), the inner side of the protective cover (5) is provided with a clamping tooth (13), and the clamping groove (12) and the clamping tooth (13) correspond to each other and are matched with each other.

5. The disposable heparin lock syringe of claim 1, wherein: the outer side of the syringe tube (1) is provided with volume scales.

6. The disposable heparin lock syringe of claim 1, wherein: the outer diameter of the sealing rubber plug (7) is consistent with the diameter of the inner wall of the needle bobbin (1).