CN212593346U - Novel arteriovenous indwelling needle - Google Patents

Abstract

The utility model discloses a novel arteriovenous indwelling needle, including safety cover, Y interface, soft needle, steel nook closing member, extension pipe, all wings and temperature probe, the upper end fixedly connected with soft needle of Y interface, the fixed surface of Y interface is connected with all wings, and the lower extreme of Y interface is equipped with plug connection's safety cover, and the inside of Y interface is equipped with white isolation stopper, and the steel nook closing member is located the inside of soft needle, and the steel nook closing member is equipped with the centre bore with the junction of safety cover, and the inner wall fixedly connected with of centre bore is spacing to be detained, and the needle cap has been cup jointed on the surface of soft needle, and the lateral wall fixedly connected with extension pipe of Y interface, the inboard fixedly connected with temperature probe of extension pipe and Y interface junction. The utility model discloses an use Y interface and extension pipe, cooperate the intraoral white isolation stopper of Y interface, avoid blood to leak outward after the arteriopuncture finishes, reduce medical staff's risk of infecting blood source nature and propagating diseases, and the direct lock of safety cover is in the syringe needle department of steel needle core, and the steel needle core of avoiding extracting stabs medical staff.

Description

Novel arteriovenous indwelling needle

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a novel arteriovenous indwelling needle.

Background

The arteriovenous indwelling needle can reduce the pain and the fear of injection of a patient caused by repeated venipuncture, relieve the anxiety of the patient and family members, facilitate clinical medication, help rescue medication of emergent and critically ill patients, relieve the workload of nurses and reduce the pain of the patient, so the arteriovenous indwelling needle is widely applied clinically.

At present, an arteriovenous indwelling needle used in clinic has the problem that blood leaks outwards during puncture, so that the risk of infecting hematogenous diseases of medical staff is increased, and after a steel needle in the indwelling needle is drawn out, the exposed needle tip easily stabs the medical staff, so that inconvenience is brought to the use of medical staff. For this reason, a new technical solution needs to be designed for solution.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel arteriovenous indwelling needle, through using Y interface and extension tube, the interior white isolation stopper of cooperation Y interface avoids blood to leak outward after the arteriopuncture finishes, reduces medical staff's infection blood source nature and spreads the risk of disease, and the direct lock of safety cover is in the syringe needle department of steel needle core, and the steel needle core of avoiding extracting stabs medical staff.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel arteriovenous indwelling needle, includes safety cover, Y interface, soft needle, steel nook closing member, extension pipe, all wings and temperature probe, the upper end fixedly connected with soft needle of Y interface, the fixed surface of Y interface is connected with all wings, the lower extreme of Y interface is equipped with plug connection's safety cover, the inside of Y interface is equipped with white isolation plug, the steel nook closing member is located the inside of soft needle and runs through white isolation plug and safety cover, the steel nook closing member is equipped with the centre bore with the junction of safety cover, the spacing knot of inner wall fixedly connected with of centre bore, the needle cap has been cup jointed on the surface of soft needle, the lateral wall fixedly connected with extension pipe of Y interface, the inboard fixedly connected with temperature probe of extension pipe and Y interface junction.

As an improvement of the technical scheme, the free end of the extension pipe is fixedly connected with a three-way joint.

As an improvement of the technical scheme, the white isolating plug is positioned below the joint of the extension pipe and the Y interface, and the steel needle core is tightly connected with the white isolating plug.

As an improvement of the technical scheme, an annular groove is formed in the surface of the steel needle core and is buckled and connected with a limiting buckle, and the whole protective cover is formed by medical plastic injection molding.

As an improvement of the technical scheme, the middle part of the flying wing is fixedly connected with a fixed sleeve, and the lower surface of the flying wing is connected with a cotton pad in an adhering mode.

As an improvement of the technical scheme, the temperature measuring probe and the Y interface are integrally formed in an injection molding mode, the tail of the temperature measuring probe is fixedly connected with a lead, and the tail end of the lead is fixedly connected with a plug.

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

the utility model discloses an use Y interface and extension pipe, cooperate the intraoral white isolation stopper of Y interface, avoid blood to leak outward after the arteriopuncture finishes, reduce the risk that medical staff infects blood source nature spread disease, improve medical staff's security.

The utility model discloses a spacing knot of inside fixedly connected with at the guard shield cooperates the ring channel on steel nook closing member surface, and the safety cover lock is connected in the syringe needle department of steel nook closing member when pulling out the steel nook closing member, avoids medical staff to be stabbed when using, improves the convenience that medical personnel used.

The utility model discloses a fixed surface at the Y interface is connected with the all-wing aircraft, conveniently carries out the pad lining to keeping somewhere the needle, avoids keeping somewhere the long-time oppression patient's of needle skin, and the cotton pad of cooperation all-wing aircraft bottom improves the gas permeability of all-wing aircraft to improve and keep somewhere the travelling comfort that the needle used.

Drawings

FIG. 1 is a schematic view of the internal structure of the novel arteriovenous indwelling needle of the present invention;

fig. 2 is a schematic view of the internal structure of the protective cover of the present invention;

fig. 3 is a schematic view of the structure of the end face of the flying wing of the present invention.

In the figure: the device comprises a protective cover-1, a Y connector-2, a soft needle-3, a steel needle core-4, an extension tube-5, a white isolation plug-6, a needle cap-7, a flying wing-8, a three-way joint-9, a temperature measuring probe-10, a central hole-11, a limit buckle-12, an annular groove-13, a lead-14, a plug-15, a fixing sleeve-16 and a cotton pad-17.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a novel arteriovenous indwelling needle, includes safety cover 1, Y interface 2, soft needle 3, steel needle core 4, extension pipe 5 and temperature probe 10, the upper end fixedly connected with soft needle 3 of Y interface 2, the fixed surface of Y interface 2 is connected with all wings 8, the lower extreme of Y interface 2 is equipped with plug connection's safety cover 1, the inside of Y interface 2 is equipped with white isolation plug 6, steel needle core 4 is located soft needle 3's inside and runs through white isolation plug 6 and safety cover 1, steel needle core 4 is equipped with centre bore 11 with safety cover 1's junction, the spacing knot 12 of inner wall fixedly connected with of centre bore 11, needle cap 7 has been cup jointed on the surface of soft needle 3, the lateral wall fixedly connected with extension pipe 5 of Y interface 2, the inboard fixedly connected with temperature probe 10 of extension pipe 5 and Y interface 2 junction.

In a further improvement, as shown in fig. 1, a three-way joint 9 is fixedly connected to the free end of the extension tube 5, and the three-way joint 9 is arranged at the end of the extension tube 5, so that the blood drawing operation is facilitated.

In a further improvement, as shown in fig. 1, the white isolating plug 6 is located below the joint of the extension tube 5 and the Y port 2, the steel stylet 4 is tightly connected with the white isolating plug 6, and the white isolating plug 6 is located below the joint of the extension tube 5 and the Y port 2, so that blood can be prevented from flowing into the protective cover 1, blood is prevented from being exposed, and blood can flow out through the extension tube 5.

Further improved, as shown in fig. 1, the annular groove 13 has been seted up on the surface of steel stylet 4, annular groove 13 is connected with limit buckle 12 lock, safety cover 1 wholly adopts medical plastics injection moulding, through having seted up annular groove 13 on the surface of steel stylet 4, conveniently slides into safety cover 1 at steel stylet 4 after be connected with limit buckle 12 lock, fixes safety cover 1 in the syringe needle department of steel stylet 4, avoids causing the stab to medical staff after extracting steel stylet 4.

In a further improvement, as shown in fig. 3, a fixed sleeve 16 is fixedly connected to the middle of the flying wing 8, a cotton pad 17 is bonded to the lower surface of the flying wing 8, and the cotton pad 17 is bonded to the lower surface of the flying wing 8, so that the air permeability of the surface of the flying wing 8 is improved, and the comfort of the indwelling needle for long-term use of a patient is improved

Further improved, as shown in fig. 1, the temperature measuring probe 10 and the Y interface 2 are molded integrally by injection, the tail of the temperature measuring probe 10 is fixedly connected with a wire 14, the tail end of the wire 14 is fixedly connected with a plug 15, the tail end of the wire 14 is matched with the plug 15 at the tail end of the wire 14 through the tail of the temperature measuring probe 10, the connection with a medical monitor is facilitated, the blood temperature of a patient can be conveniently detected during blood drawing, and the accuracy of temperature detection is improved.

The utility model discloses a safety cover-1, Y interface-2, soft needle-3, steel needle core-4, extension pipe-5, white isolation stopper-6, needle cap-7, flying wing-8, three way connection-9, temperature probe-10, centre bore-11, spacing knot-12, ring channel-13, wire-14, plug-15, fixed sleeve-16, cotton pad-17, the part is general standard component or the part that technical staff in this field knows, its structure and principle all can be known for this technical staff through the technical manual or through conventional experimental method, this temperature probe is JCJ100TW temperature sensor specifically, the utility model discloses through use Y interface 2 and extension pipe 5, cooperate white isolation stopper 6 in Y interface 2, avoid the blood to leak after the arteriopuncture, reduce the risk that medical staff infects blood source nature spread disease, be equipped with safety cover 1 through the lower extreme at Y interface 2, the steel needle core 4 of extracting is conveniently accomodate, avoids medical staff to be stabbed when using, and conveniently takes a blood sample through three way connection 9 of extension pipe 5 tip, improves the convenience that medical staff used.

When the utility model is used, the needle cap 7 is removed, the soft needle 3 and the steel needle core 4 are inserted into the artery of the patient by holding the protective cover 1 by hand, the plug 15 at the end of the wire 14 is connected with the medical monitor, when the blood is required to be drawn, the steel needle core 4 is pulled outwards, the end part of the steel needle core 4 is embedded into the protective cover 1, the annular groove 13 on the surface of the steel needle core 4 is buckled with the limit buckle 12, the protective cover 1 is fixed at the needle point of the steel needle core 4, the protective cover 1 is removed along with the steel needle core 4, the medical staff is prevented from being punctured when in use, the blood flows into the Y interface 2 through the soft needle 3, under the plugging of the white isolating plug 6, the blood is prevented from being exposed, the blood flows along the extension tube 5, finally, the blood is collected through the three-way joint 9, the blood passes through the connection part of the Y interface 2 and the extension tube 5, the temperature measuring probe 10 directly detects the blood temperature of the, the accuracy of temperature detection is improved.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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. The utility model provides a novel arteriovenous indwelling needle, includes safety cover (1), Y interface (2), soft needle (3), steel nook closing member (4), extension pipe (5), all-wing aircraft (8) and temperature probe (10), its characterized in that: the upper end fixedly connected with soft needle (3) of Y interface (2), the fixed surface of Y interface (2) is connected with all-wing aircraft (8), the lower extreme of Y interface (2) is equipped with safety cover (1) of plug-in connection, the inside of Y interface (2) is equipped with white isolation plug (6), steel needle core (4) are located the inside of soft needle (3) and run through white isolation plug (6) and safety cover (1), steel needle core (4) are equipped with centre bore (11) with the junction of safety cover (1), the inner wall fixedly connected with of centre bore (11) is spacing to be detained (12), needle cap (7) have been cup jointed on the surface of soft needle (3), the lateral wall fixedly connected with extension pipe (5) of Y interface (2), the inboard fixedly connected with temperature probe (10) of extension pipe (5) and Y interface (2) junction.

2. The novel arteriovenous indwelling needle of claim 1, which is characterized in that: the free end of the extension pipe (5) is fixedly connected with a three-way joint (9).

3. The novel arteriovenous indwelling needle of claim 1, which is characterized in that: the white isolating plug (6) is positioned below the joint of the extension pipe (5) and the Y interface (2), and the steel needle core (4) is tightly connected with the white isolating plug (6).

4. The novel arteriovenous indwelling needle of claim 1, which is characterized in that: annular groove (13) have been seted up on the surface of steel nook closing member (4), annular groove (13) are connected with stop buckle (12) lock, safety cover (1) wholly adopts medical plastics injection moulding.

5. The novel arteriovenous indwelling needle of claim 1, which is characterized in that: the middle part of all-wing aircraft (8) fixedly connected with fixed sleeve (16), the lower surface bonding connection of all-wing aircraft (8) has cotton pad (17).

6. The novel arteriovenous indwelling needle of claim 1, which is characterized in that: the temperature measuring probe (10) and the Y interface (2) are integrally formed in an injection molding mode, a lead (14) is fixedly connected to the tail of the temperature measuring probe (10), and a plug (15) is fixedly connected to the tail end of the lead (14).

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