CN210277871U

CN210277871U - Disposable infusion extension tube

Info

Publication number: CN210277871U
Application number: CN201920470552.7U
Authority: CN
Inventors: 李静; 沈德新; 王芳
Original assignee: 988th Hospital of the Joint Logistics Support Force of PLA
Current assignee: 988th Hospital of the Joint Logistics Support Force of PLA
Priority date: 2019-04-09
Filing date: 2019-04-09
Publication date: 2020-04-10
Anticipated expiration: 2029-04-09

Abstract

The utility model belongs to the technical field of medical consumables, in particular to a disposable infusion extension tube, which comprises a first fixed block, an infusion tube and a fixed sleeve, wherein the extension tube is arranged in the first fixed block, and one end of the extension tube is provided with a second fixed block; the utility model discloses, through the setting of nanofiber filter membrane, filter the infusion, neonate's baby infusion precision has been improved, neonate's baby infusion's safety has been guaranteed, at fixed cover, the second fixed block, first external screw thread and second external screw thread combined action, on fixing the first fixed block of fixed cover on the disposable transfer line, then in advancing the third fixed block with the second fixed block card, the surface of stopper and the inner wall overlap joint of second spread groove, the one end of transfer line and the one end overlap joint of extension pipe, first fixed block aligns the back with the second fixed block, the screw cap respectively with first external screw thread and second external screw thread threaded connection, thereby fix disposable transfer line and extension pipe.

Description

Disposable infusion extension tube

Technical Field

The utility model belongs to the technical field of the medical treatment consumptive material, concretely relates to disposable infusion extension pipe.

Background

The disposable intravenous infusion tube is a common medical consumable, a channel between a vein and a liquid medicine is established through aseptic processing and is used for intravenous infusion, the disposable intravenous infusion tube is generally formed by connecting eight parts, namely an intravenous needle or an injection needle, a needle head protective cap, an infusion hose, a liquid medicine filter, a flow rate regulator, a drip cup, a bottle plug puncture outfit, an air filter and the like, a part of the infusion set is also provided with an injection part, a medicine adding port and the like, the traditional infusion set is made of PVC (polyvinyl chloride) serving as a raw material, a high-performance polyolefin thermoplastic elastomer is considered to be a material for making the disposable infusion set with higher safety and performance, the length of the disposable intravenous infusion tube is fixed, and in the using process, if the length of the intravenous infusion tube is not enough, infusion;

the connector of the existing disposable extension tube is connected with the intravenous infusion tube in a clamping manner, the fixing manner of the connector can not ensure the stability of the fixation between the connector and the intravenous infusion tube, and in addition, for a newborn baby of 0-3 months, the existing extension tube has no filtering device for infusion, so that the infusion precision can not be improved.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a disposable infusion extension tube, which has the characteristics of stable connection and improved infusion precision.

In order to achieve the above object, the utility model provides a following technical scheme: a disposable infusion extension tube comprises a first fixed block, an infusion tube and a fixed sleeve, wherein an extension tube is arranged in the first fixed block, a second fixed block is arranged at one end of the extension tube, and the second fixing block is internally provided with a first connecting groove, and one end of the extension pipe is positioned in the first connecting groove, a nanofiber filter membrane is arranged in the position, located in the first fixed block, in the extension pipe, a limiting block is fixedly connected to the outer surface of the second fixed block, one end of the extension pipe, which is far away from the first fixed block, is connected with a third fixed block, a second connecting groove is arranged in the third fixed block, one end of the extension pipe is positioned in the second connecting groove, the outer surface of the third fixing block is provided with a first external thread, the first external thread is connected with a thread cap in a threaded manner, and the outer surface of the fixing sleeve is provided with a second external thread.

Preferably, the fixing sleeve is provided with a connecting block and an opening, and the connecting block is made of plastic.

Preferably, the fixed sleeve is circular and made of plastic.

Preferably, the infusion tube and the extension tube have the same diameter.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses, through the setting of nanofiber filter membrane, filter the infusion, neonate's baby infusion precision has been improved, neonate's baby infusion's safety has been guaranteed, at fixed cover, the second fixed block, first external screw thread and second external screw thread combined action, on fixing the first fixed block of fixed cover on the disposable transfer line, then in advancing the third fixed block with the second fixed block card, the surface of stopper and the inner wall overlap joint of second spread groove, the one end of transfer line and the one end overlap joint of extension pipe, first fixed block aligns the back with the second fixed block, the screw cap respectively with first external screw thread and second external screw thread threaded connection, thereby fix disposable transfer line and extension pipe.

2. The utility model discloses, through connecting block and open-ended setting, can open fixed cover and block on the first fixed block on disposable transfer line, and then made things convenient for the fixed between disposable transfer line and the extension pipe, the setting of fixed cover can be opened fixed cover and block on the first fixed block on disposable transfer line, and then made things convenient for the fixed between disposable transfer line and the extension pipe.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the assembled structure of the present invention;

fig. 3 is a schematic structural view of a second fixing block in the present invention;

fig. 4 is a schematic structural view of a third fixing block in the present invention;

fig. 5 is a schematic structural view of a side view of the fixing sleeve of the present invention;

fig. 6 is a schematic structural view of the rear view of the fixing sleeve of the present invention;

in the figure: 1. a first fixed block; 2. a first external thread; 3. fixing a sleeve; 4. a threaded cap; 5. a limiting block; 6. a second fixed block; 7. a second external thread; 8. an extension tube; 9. a transfusion tube; 10. a second connecting groove; 11. a nanofiber filter membrane; 12. a first connecting groove; 13. a third fixed block; 14. connecting blocks; 15. and (4) opening.

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.

Examples

Referring to fig. 1-6, the present invention provides the following technical solutions: a disposable infusion extension tube comprises a first fixing block 1, an infusion tube 9 and a fixing sleeve 3, wherein the infusion tube 9 is a disposable infusion tube, the disposable infusion tube is also fixedly connected with the first fixing block 1, an extension tube 8 is arranged in the first fixing block 1, one end of the extension tube 8 is provided with a second fixing block 6, a first connecting groove 12 is formed in the second fixing block 6, one end of the extension tube 8 is positioned in the first connecting groove 12, a nanofiber filter membrane 11 is arranged at the position, positioned in the first fixing block 1, in the extension tube 8, the infusion is filtered through the arrangement of the nanofiber filter membrane 11, the infusion precision of a newborn infant is improved, the infusion safety of the newborn infant is ensured, a limiting block 5 is fixedly connected to the outer surface of the second fixing block 6, and a third fixing block 13 is connected to one end, far away from the first fixing block 1, of the extension tube 8, a second connecting groove 10 is formed in the third fixing block 13, one end of the extension pipe 8 is positioned in the second connecting groove 10, the outer surface of the third fixing block 13 is provided with a first external thread 2, the first external thread 2 is in threaded connection with a threaded cap 4, the outer surface of the fixing sleeve 3 is provided with a second external thread 7, the fixing sleeve 3 is fixed on the first fixing block 1 on the disposable transfusion tube under the combined action of the fixing sleeve 3, the second fixing block 6, the first external thread 2 and the second external thread 7, then the second fixing block 6 is clamped into the third fixing block 13, the limiting block 5 is lapped with the second limiting groove, one end of the transfusion tube 9 is lapped with one end of the extension tube 8, after the first fixing block 1 is aligned with the second fixing block 6, the screw cap 4 is respectively connected with the first external thread 2 and the second external thread 7 in a screw way, thereby fixing the disposable transfusion tube and the extension tube 8.

Specifically, be provided with connecting block 14 and opening 15 on fixed cover 3, can open fixed cover 3 and block on the first fixed block 1 on disposable transfer line, and then made things convenient for the fixed between disposable transfer line and the extension pipe 8, just the material of connecting block 14 is the plastics material.

Specifically, the shape of the fixed sleeve 3 is circular ring, and the material of the fixed sleeve 3 is plastic.

Specifically, the infusion tube 9 and the extension tube 8 have the same diameter, so that the connection is consistent, and the connection tightness between the infusion tube 9 and the extension tube 8 is ensured.

The utility model discloses a theory of operation and use flow: the utility model discloses, during the use, manually open opening 15 on the fixed cover 3, and under connecting block 14's effect, overlap its first fixed block 1 on disposable transfer line, then in advancing third fixed block 13 with second fixed block 6 card, stopper 5's surface and the inner wall overlap joint of second spread groove 10, transfer line 9's one end and extension pipe 8's one end overlap joint, first fixed block 1 aligns the back with second fixed block 6, screw cap 4 is from first external screw thread 2 on the screw motion to second external screw thread 7, thereby make screw cap 4 respectively with first external screw thread 2 and 7 threaded connection of second external screw thread, thereby fix disposable transfer line and extension pipe 8, when extension pipe 8 uses, nanofiber filter membrane 11 filters the infusion, the infusion precision of newborn baby is improved, the safety of newborn baby's infusion has been guaranteed.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a disposable infusion extension tube, includes first fixed block (1), transfer line (9) and fixed cover (3), its characterized in that: an extension pipe (8) is arranged in the first fixing block (1), a second fixing block (6) is arranged at one end of the extension pipe (8), a first connecting groove (12) is formed in the second fixing block (6), one end of the extension pipe (8) is located in the first connecting groove (12), a nanofiber filter membrane (11) is arranged at the position, located in the first fixing block (1), in the extension pipe (8), a limiting block (5) is fixedly connected to the outer surface of the second fixing block (6), one end, far away from the first fixing block (1), of the extension pipe (8) is connected with a third fixing block (13), a second connecting groove (10) is formed in the third fixing block (13), one end of the extension pipe (8) is located in the second connecting groove (10), and first external threads (2) are arranged on the outer surface of the third fixing block (13), the first external thread (2) is connected with a threaded cap (4) in a threaded manner, and the outer surface of the fixed sleeve (3) is provided with a second external thread (7).

2. The extension tube for disposable infusion according to claim 1, wherein: the fixing sleeve (3) is provided with a connecting block (14) and an opening (15), and the connecting block (14) is made of plastic.

3. The extension tube for disposable infusion according to claim 1, wherein: the shape of the fixed sleeve (3) is circular ring, and the material of the fixed sleeve (3) is plastic material.

4. The extension tube for disposable infusion according to claim 1, wherein: the infusion tube (9) and the extension tube (8) have the same diameter.