CN215309171U

CN215309171U - Insulin subcutaneous infusion indwelling needle

Info

Publication number: CN215309171U
Application number: CN202121498652.4U
Authority: CN
Inventors: 曹伟伟
Original assignee: Henan Childrens Hospital Zhengzhou Childrens Hospital
Current assignee: Henan Childrens Hospital Zhengzhou Childrens Hospital
Priority date: 2021-07-02
Filing date: 2021-07-02
Publication date: 2021-12-28
Anticipated expiration: 2031-07-02

Abstract

An insulin hypodermic infusion indwelling needle effectively solves the problems that the existing indwelling needle injection joint is easy to pollute, and a patch for fixing is not beneficial to ventilation; the device comprises a circular gasket, wherein a plurality of air holes which are arranged in an unordered manner are formed in the gasket, a retention needle facing downwards is fixedly connected to the axis of the gasket, a honeycomb-shaped filter pad is arranged on the gasket, a turned edge wrapping the outer side of the filter pad is arranged on the outer side of the gasket, a connecting seat fixedly connected with the retention needle is arranged at the axis of the filter pad, a hose is fixedly connected to the upper end of the connecting seat, a truncated cone-shaped injection joint is arranged at the free end of the hose, a circular fixing seat with an upward opening is arranged at the upper end of the filter pad, the injection joint can be clamped in a containing cavity, a hollowed-out baffle is arranged inside the injection joint, absorbent cotton is arranged at the lower end of the baffle, and a miniature Robert clamp is arranged on the hose; the structure is simple, the operation is convenient, the conception is novel, and the practicability is strong.

Description

Insulin subcutaneous infusion indwelling needle

Technical Field

The utility model relates to the technical field of indwelling needles, in particular to an insulin subcutaneous infusion indwelling needle.

Background

The diabetes is caused by insufficient or incapable insulin secretion of human pancreas, the injection frequency and the dosage of the insulin are generally determined according to the blood sugar level and the state of illness of a patient, the patient should inject the insulin under the guidance of a doctor, and the injection is finished once a day, twice a day or for multiple times a day according to the instruction of the doctor so as to avoid unstable blood sugar control caused by more or less beats; in the clinical treatment stage, if the insulin injection task for one or more days is completed by adopting the way of remaining the needle, the pain of the patient is undoubtedly greatly relieved, and the working efficiency of the nurse is improved;

needle is kept somewhere in present multiple insulin subcutaneous infusion that exists, existing simply with injection joint set up, also have injection joint towards the side and can freely rotate, all realize "keeping somewhere" effect, but to the naked outside of external injection joint, receive the pollution easily, dock insulin syringe pump repeatedly and have liquid to spill over, can't obtain effectual processing, in addition, with keeping somewhere integrative mounting pad of needle, be not convenient for ventilative, be unfavorable for permanent use.

SUMMERY OF THE UTILITY MODEL

In view of the above situation, the present invention aims to provide an indwelling needle for subcutaneous insulin infusion, which effectively solves the problems that the injection joint of the existing indwelling needle is easy to be polluted and the application for fixing is not favorable for ventilation.

The technical scheme includes that the device comprises a circular gasket, a plurality of air holes which are arranged in an unordered mode are formed in the gasket, a retaining needle facing downwards is fixedly connected to the axis of the gasket, a honeycomb-shaped filter pad is arranged on the gasket, a turned edge wrapping the outer side of the filter pad is arranged on the outer side of the gasket, a connecting seat fixedly connected with the retaining needle is arranged at the axis of the filter pad, a hose is fixedly connected to the upper end of the connecting seat, a truncated cone-shaped injection connector is arranged at the free end of the hose, a circular fixing seat with an upward opening is arranged at the upper end of the filter pad, the injection connector can be clamped in a containing cavity, a hollowed-out baffle is arranged inside the injection connector, water absorption cotton is arranged at the lower end of the baffle, and a miniature Robert clamp is arranged on the hose.

Compared with the prior art, the utility model has the beneficial effects that: the honeycomb-shaped filter pad is firmly attached to the gasket by using the gasket and the turned edge, and the operation of bonding the gasket and the honeycomb-shaped filter pad is omitted, so that a better ventilation effect is provided by using the ventilation holes in the gasket and the honeycomb-shaped filter pad, the comfort level in use is enhanced, the fixed seat capable of clamping the injection connector is arranged on the filter pad, the injection connector is reversely buckled inside the fixed seat, a good sterile environment is manufactured, the injection connector can be effectively prevented from being polluted when the injection connector is idle, the bacterial infection at the injection puncture part is avoided, a piece of absorbent cotton is additionally arranged inside the injection connector, the liquid accidentally dropped or overflowed is adsorbed, and the liquid is prevented from dropping out; the structure is simple, the operation is convenient, the conception is novel, and the practicability is strong.

Drawings

FIG. 1 is a schematic view of the injection connector of the present invention in an upwardly directed configuration.

Fig. 2 is a schematic structural view of the injection connector of the present invention inserted into the holder.

Fig. 3 is a full section isometric view of the present invention.

Fig. 4 is a bottom isometric view of the present invention.

Fig. 5 is a disassembled schematic view of the gasket and filter pad of the present invention.

Fig. 6 is an enlarged view of a in fig. 3 of the present invention.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

The utility model is given by fig. 1 to 6, including circular shape gasket 1, a plurality of bleeder vents 2 of unordered arranging have been seted up on gasket 1, 1 axle center department fixedly connected with of gasket keeps somewhere needle 3 towards the below, be equipped with cellular filter pad 4 on gasket 1, 1 outside of gasket is equipped with the turn-up 5 of parcel in the filter pad 4 outside, 4 axle center departments of filter pad are equipped with the connecting seat 6 with keeping somewhere needle 3 rigid coupling, connecting seat 6 upper end rigid coupling has hose 7, hose 7 free end is equipped with round platform shape's injection joint 8, filter pad 4 upper end is equipped with opening circular shape fixing base 9 up, but injection joint 8 joint is holding the intracavity, injection joint 8 inside is equipped with the baffle 10 of fretwork, baffle 10 lower extreme is equipped with the cotton 11 that absorbs water, be equipped with miniature robert clamp 12 on the hose 7.

In order to keep the stability of the filter pad 4 and facilitate the fixation of the connecting seat 6, the axis of the filter pad 4 is provided with a lantern ring 13 positioned on the outer side of the connecting seat 6, the outer side of the lantern ring 13 is fixedly connected with the filter pad 4, and the inner side of the lantern ring 13 is in interference fit with the connecting seat 6.

In order to conveniently store and release the injection connector 8 in the fixing seat 9 and avoid the accidental falling of the injection connector 8, a plurality of elastic bulges 14 uniformly distributed along the circumferential direction of the fixing seat 9 are arranged at an opening at the upper end of the fixing seat 9, a circular clamping groove 15 is formed in the outer side of the injection connector 8, and the bulges 14 can be clamped in the clamping groove 15.

In order to prevent the injection connector 8 from being polluted, the fixed seat 9 is internally provided with an alcohol cotton pad 16, and when the injection connector 8 is inserted into the fixed seat 9, the alcohol cotton pad 16 is contacted with the port of the injection connector 8.

In order to facilitate the butt joint of the injection joint 8 and the insulin injection pump, the injection joint 8 comprises an outer sleeve 801 and a core pipe 802 positioned in the outer sleeve 801, the part of the outer sleeve 801 positioned above the baffle 10 has elasticity, the core pipe 802 is communicated with the hose 7, a snap ring 803 is arranged on the inner side wall of the outer sleeve 801, and the height of the core pipe 802 is lower than that of the snap ring 803.

In order to fix the gasket 1 after puncture conveniently, the lower end of the gasket 1 is provided with an adhesive layer 17, and the outer side of the adhesive layer 17 is provided with an oily film.

When the injection connector is used, in an initial state, the injection connector 8 is inserted into the fixing seat 9, the alcohol cotton ball is arranged in the fixing seat 9 and is blocked at the port of the injection connector 8, and the plurality of protrusions 14 are respectively clamped in the clamping grooves 15 on the outer side of the injection connector 8, so that the injection connector 8 is prevented from accidentally dropping out of the fixing seat 9; the miniature Robert clamp 12 is closed to clamp the hose 7, and the circular gasket 1 and the curled edge 5 positioned at the outer side fix the honeycomb-shaped filter pad 4 on the gasket 1;

tearing off an oily film on the adhesive layer 17, holding the outer side of the gasket 1 by hand, positioning a finger at the upper end of the lantern ring 13, aligning with a puncture position, pressing the lantern ring 13 and the connecting seat 6 to insert the indwelling needle 3 into the subcutaneous part of a patient, at the moment, the adhesive layer 17 at the lower end of the gasket 1 is in contact with the surface of the skin, slightly pressing the periphery of the filter pad 4, and completely bonding the adhesive layer 17 on the skin to avoid the accidental falling off of the indwelling needle 3, wherein the gasket 1 is provided with a plurality of air holes 2, and the main body of the filter pad 4 is honeycomb-shaped, so that the air permeability of the skin under the gasket 1 can be effectively ensured;

when insulin needs to be injected, the outer sleeve 801 of the injection joint 8 is squeezed to enable the outer sleeve 801 to deform, so that the protrusions 14 are easily separated from the clamping groove 15, the injection joint 8 is taken out, the injection joint 8 is connected with the indwelling needle 3 through the hose 7, the injection joint 8 can swing at will to adjust the angle, the injection joint 8 is held by one hand, the port of the injection joint 8 is turned upwards, the other hand is used for holding an insulin injection pump, the liquid outlet of the insulin injection pump is butted with the injection joint 8, the clamping ring 803 of the outer sleeve 801 is clamped on the outer side of the liquid outlet of the insulin injection pump, the core pipe 802 is in butt joint communication with the liquid outlet of the insulin injection pump, when the liquid outlet of the insulin injection pump is butted on the baffle plate 10, the connection of the liquid outlet of the insulin injection pump and the insulin pump is confirmed, then the Robert clamp 12 is opened to dredge the hose 7, the insulin injection pump outputs insulin, the insulin is injected into subcutaneous tissue through the core pipe 802, the hose 7 and the indwelling needle 3, after the injection is finished, the Robert clamp 12 is clamped, and then the insulin injection pump is taken down to prevent the liquid in the retention needle 3 from flowing back; when the insulin injection pump is separated from the injection joint 8, liquid can drip into the injection joint 8, and the dripping liquid penetrates through the baffle 10 and is absorbed by the absorbent cotton 11 because the baffle 10 is hollow, so that the liquid is prevented from leaking; the front end of the injection joint 8 is extruded and inserted into the fixed seat 9 again, so that the port of the injection joint 8 is contacted with the alcohol cotton pad 16, the aseptic storage of the injection joint 8 is kept, and the condition that the core pipe 802 in the injection joint 8 is contacted with bacteria after repeated use is avoided; due to the action of the hose 7, the connection and the disassembly of the insulin injection pump and the injection joint 8 can not touch the gasket 1, the remaining needle 3 can not be interfered, the pain of the puncture part caused by the touch of the remaining needle 3 can be avoided, and the service time of the remaining needle 3 can be prolonged; the insulin hypodermic infusion remaining needle belongs to a disposable product, and needs to be taken down immediately after two days or adverse conditions are found.

Claims

1. An insulin hypodermic infusion indwelling needle comprises a circular gasket (1) and is characterized in that a plurality of air holes (2) which are arranged in disorder are formed in the gasket (1), an indwelling needle (3) which faces downwards is fixedly connected at the axle center of the gasket (1), a honeycomb-shaped filter pad (4) is arranged on the gasket (1), a turned edge (5) which is wrapped at the outer side of the filter pad (4) is arranged at the outer side of the gasket (1), a connecting seat (6) which is fixedly connected with the indwelling needle (3) is arranged at the axle center of the filter pad (4), a hose (7) is fixedly connected at the upper end of the connecting seat (6), a truncated cone-shaped injection connector (8) is arranged at the free end of the hose (7), a circular fixing seat (9) with an upward opening is arranged at the upper end of the filter pad (4), the injection connector (8) can be clamped in the fixing seat (9), a hollowed baffle (10) is arranged inside the injection connector (8), the lower end of the baffle (10) is provided with absorbent cotton (11), and the hose (7) is provided with a miniature Robert clamp (12).

2. The hypodermic insulin infusion indwelling needle according to claim 1, wherein the axial center of the filter pad (4) is provided with a collar (13) located outside the connecting seat (6), the outside of the collar (13) is fixedly connected with the filter pad (4), and the inside of the collar (13) is in interference fit with the connecting seat (6).

3. The hypodermic insulin infusion indwelling needle according to claim 1, wherein a plurality of elastic protrusions (14) are evenly distributed along the circumference of the fixing seat (9) at the upper opening thereof, a circular clamping groove (15) is formed in the outer side of the injection joint (8), and the protrusions (14) can be clamped in the clamping groove (15).

4. The insulin hypodermic infusion indwelling needle according to claim 1, wherein an alcohol cotton pad (16) is arranged in the fixing seat (9), and when the injection connector (8) is inserted into the fixing seat (9), the alcohol cotton pad (16) is contacted with the port of the injection connector (8).

5. The hypodermic needle indwelling according to claim 1, wherein the injection connector (8) comprises an outer sleeve (801) and a core tube (802) arranged in the outer sleeve (801), the part of the outer sleeve (801) above the baffle (10) has elasticity, the core tube (802) is communicated with the hose (7), a snap ring (803) is arranged on the inner side wall of the outer sleeve (801), and the height of the core tube (802) is lower than that of the snap ring (803).

6. The insulin hypodermic infusion indwelling needle according to claim 1, wherein the gasket (1) is provided with an adhesive layer (17) at the lower end thereof, and an oily film is arranged outside the adhesive layer (17).