CN214018774U - Disposable venous indwelling needle of anticreep needle - Google Patents

Abstract

The utility model discloses a needle is kept somewhere to disposable vein of anticreep needle, including needle file, connector and heparin cap, the top of needle file is provided with the needle pipe, the below of needle file is connected with the connector, the lower extreme of connector is connected with the anticreep piece, the right side of needle file is provided with the side head, and the outer end of side head is connected with the extension pipe, the outside of extension pipe is connected with the protrusion arris, and the outside parcel of extension pipe has the pipe box, the inside of pipe box is provided with the extrusion piece, and the below of extrusion piece is connected with the extrusion piece, the top of extension pipe is connected with the heparin cap, and the outside of extension pipe and needle file all is provided with fixed adhesive tape. This needle is kept somewhere to disposable vein of anticreep needle is connected hard needle and catheter, with hard needle and catheter connection when avoiding the nurse to use, saves work load, and conveniently keeps somewhere the needle with the vein and fixes, avoids the vein to keep somewhere the needle and takes off the needle or become flexible, increases the security.

Description

Disposable venous indwelling needle of anticreep needle

Technical Field

The utility model relates to a needle technical field is kept somewhere to the vein, specifically is a needle is kept somewhere to disposable vein of anticreep needle.

Background

The venous indwelling needle is also called as a venous trocar, consists of a stainless steel needle core, an outer sleeve and a plastic needle seat, is modern novel infusion equipment, is mainly used for patients who are infused for a long time and many times, can relieve pain of the patients, and can reduce workload of nurses.

Present disposable vein indwelling needle when using, is connected hard needle and catheter mostly, treats that the catheter pierces the internal back of patient, takes out hard needle again, increases nurse's work load, and inconvenient keeps somewhere the needle fixedly with the vein, leads to the vein to keep somewhere the needle and takes off the needle or become flexible, consequently, we propose a disposable vein indwelling needle of anticreep needle to in solving the above-mentioned problem of proposing.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a needle is kept somewhere to disposable vein of anticreep needle to solve present disposable vein that above-mentioned background art provided and keep somewhere the needle, when using, mostly with hard needle and catheter connection, treat that catheter pierces the internal back of patient, take out hard needle again, increase nurse's work load, and it is fixed to inconveniently keep somewhere the needle with the vein, lead to the vein to keep somewhere the needle and take off the needle or not hard up problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a needle is kept somewhere to disposable vein of anticreep needle, includes needle file, connector and heparin cap, the top of needle file is provided with the needle pipe, and the left side of needle file is connected with the handle, the below of needle file is connected with the connector, and the inside rubber pad that is provided with in upper end of connector to the inside of connector is provided with hard needle, the lower extreme of connector is connected with the anticreep piece to the outside parcel of connector has the extrusion ring, the right side of needle file is provided with the side head, and the outer end of side head is connected with the extension pipe, the outside of extension pipe is connected with the protrusion arris, and the outside parcel of extension pipe has the pipe box, the inside of pipe box is provided with the extrusion piece, and the below of extrusion piece is connected with the extrusion piece, the top of extension pipe is connected with the heparin cap, and the outside of extension pipe and needle file all is provided with fixed sticky tape.

Preferably, the connector and the needle seat are fixedly connected to form an integrated structure, the bottom of the connector is provided with a groove-shaped structure, and the connector and the anti-falling block form a convex structure.

Preferably, the rubber pad bilateral symmetry sets up in the inside of connector, and hard needle and connector constitute dismantlement structure to annular groove-shaped structure has been seted up to the connector bottom.

Preferably, the side head and the needle seat form a Y-shaped structure, and the extension tube is fixedly connected with the needle seat through the side head.

Preferably, the outer side of the extension pipe is provided with protruding edges at equal intervals, and the pipe sleeve and the protruding edges form a sliding structure.

Preferably, the extrusion block and the extrusion sheet form a T-shaped structure, the extrusion block and the extrusion sheet are connected in a hinged manner, and the extrusion block is in a stepped structure.

Compared with the prior art, the beneficial effects of the utility model are that: according to the disposable venous indwelling needle for preventing the needle from falling off, the hard needle is connected with the needle guide tube, so that the hard needle is prevented from being connected with the needle guide tube when a nurse uses the disposable venous indwelling needle, the workload is saved, the venous indwelling needle is conveniently fixed, the venous indwelling needle is prevented from falling off or loosening, and the safety is improved;

1. the connector and the extrusion ring are arranged, the hard needle is conveniently fixed inside the needle catheter by the connector, the hard needle is prevented from being connected with the needle catheter when a nurse uses the needle catheter, the workload is saved, the needle catheter is stably connected with the hard needle, the nurse conveniently pierces the needle catheter into a patient, and when the extrusion ring slides to the bottom of the connector, the connector is conveniently sealed, and liquid medicine is prevented from being exposed;

2. the extrusion block and the extrusion sheet are arranged, the extrusion sheet extrudes the extension tube by extruding the extrusion block to block the extension tube, so that external bacteria are prevented from entering the body of a patient or blood of the patient is prevented from flowing back to the extension tube at night during puncturing, and the safety is improved;

3. the protruding arris and the fixed adhesive tape are arranged, the protruding arris are arranged on the extension pipe at equal intervals, the connection stability of the extension pipe and the fixed adhesive tape is convenient to increase, and therefore the venous indwelling needle is convenient to fix at the puncture position of a patient, and the venous indwelling needle is prevented from being separated from the needle or loosening.

Drawings

FIG. 1 is a schematic front view of the present invention;

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

FIG. 3 is a left side view of the structure of the connection between the connector and the needle base;

FIG. 4 is a front view of the pipe sleeve of the present invention;

fig. 5 is a side view of the pipe sleeve of the utility model, which is a sectioning structure.

In the figure: 1. a needle seat; 2. a needle catheter; 3. a handle; 4. a connector; 5. a rubber pad; 6. a hard needle; 7. an anti-drop block; 8. an extrusion ring; 9. a lateral head; 10. an extension tube; 11. a convex edge; 12. pipe sleeve; 13. extruding the block; 14. extruding the sheet; 15. a heparin cap; 16. and fixing the adhesive tape.

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.

Referring to fig. 1-5, the present invention provides a technical solution: a disposable vein remaining needle of an anti-drop needle comprises a needle base 1, a needle catheter 2, a handle 3, a connector 4, a rubber pad 5, a hard needle 6, an anti-drop block 7, an extrusion ring 8, a side head 9, an extension tube 10, a convex edge 11, a tube sleeve 12, an extrusion block 13, an extrusion sheet 14, a heparin cap 15 and a fixing adhesive tape 16, wherein the needle catheter 2 is arranged above the needle base 1, the handle 3 is connected to the left side of the needle base 1, the connector 4 is connected to the lower side of the needle base 1, the rubber pad 5 is arranged inside the upper end of the connector 4, the hard needle 6 is arranged inside the connector 4, the anti-drop block 7 is connected to the lower end of the connector 4, the extrusion ring 8 is wrapped outside the connector 4, the side head 9 is arranged on the right side of the needle base 1, the outer end of the side head 9 is connected with the extension tube 10, the convex edge 11 is connected to the outer side of the extension tube 10, and the tube sleeve 12 is wrapped outside the extension tube 10, the inside of the tube sleeve 12 is provided with an extrusion block 13, an extrusion sheet 14 is connected below the extrusion block 13, the top end of the extension tube 10 is connected with a heparin cap 15, and the outer sides of the extension tube 10 and the needle base 1 are both provided with a fixing adhesive tape 16.

If fig. 1, connector 4 is integral structure with 1 fixed connection of needle file in fig. 2 and fig. 3, and the groove-shaped structure has been seted up to the bottom of connector 4, and connector 4 constitutes "protruding" type structure with anticreep piece 7, the installation of the hard needle 6 of being convenient for is fixed, 5 bilateral symmetry of rubber pad sets up the inside at connector 4, and hard needle 6 constitutes dismantlement structure with connector 4, and annular groove-shaped structure has been seted up to connector 4 bottom, conveniently seal connector 4, avoid the weeping, side head 9 constitutes "Y" type structure with needle file 1, and extension pipe 10 is through side head 9 and 1 fixed connection of needle file, make things convenient for the flow of liquid medicine, still be convenient for the change of liquid medicine.

As shown in fig. 1, 4 and 5, the outer side of the extension tube 10 is provided with protruding edges 11 at equal intervals, the tube sleeve 12 and the protruding edges 11 form a sliding structure, so that the venous indwelling needle can be conveniently fixed, the extrusion block 13 and the extrusion sheet 14 form a T-shaped structure, the connection mode of the extrusion block 13 and the extrusion sheet 14 is hinged, and the extrusion block 13 is in a step-shaped structure, so that the extension tube 10 can be conveniently extruded, the extension tube 10 is blocked, and the blood backflow is avoided.

The working principle is as follows: when the disposable venous indwelling needle using the anti-drop needle is used, as shown in fig. 4, firstly, a nurse squeezes the squeezing block 13, so that the squeezing block 13 drives the squeezing sheet 14 to move, the squeezing sheet 14 plugs the extension tube 10, and then the step surface of the squeezing block 13 is clamped with the tube sleeve 12 by rotating the squeezing block 13, so that the squeezing sheet 14 squeezes the extension tube 10 stably, and the extension tube 10 is prevented from flowing back when being pierced;

the nurse takes the handle 3, as shown in fig. 1, the patient is pierced by the hard needle 6, the hard needle 6 drives the needle guide tube 2 to enter the patient, the hard needle 6 is taken out from the connector 4 after the needle guide tube 2 is driven to enter the patient, the extrusion ring 8 slides downwards to extrude the connector 4, the groove-shaped structure on the connector 4 is contracted, the rubber pads 5 are attached to each other, the connector 4 is sealed, liquid leakage or external bacteria are prevented from entering the patient, then the extension tube 10 is placed in a certain shape, the needle seat 1 and the extension tube 10 are fixed by the fixing adhesive tape 16, the convex edge 11 on the outer side of the extension tube 10 increases the contact area between the extension tube 10 and the fixing adhesive tape 16, the venous indwelling needle is fixed and stable on the patient, and the whole working process of the disposable venous indwelling needle of the anti-drop needle is realized, those not described in detail in this specification are within the skill of the art.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

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 or portions thereof without departing from the spirit and scope of the invention.

Claims (6)

1. The utility model provides a needle is kept somewhere to disposable vein of anticreep needle, includes needle file (1), connector (4) and heparin cap (15), its characterized in that: a needle guide tube (2) is arranged above the needle base (1), a handle (3) is connected to the left side of the needle base (1), a connector (4) is connected to the lower portion of the needle base (1), a rubber pad (5) is arranged inside the upper end of the connector (4), a hard needle (6) is arranged inside the connector (4), an anti-falling block (7) is connected to the lower end of the connector (4), an extrusion ring (8) is wrapped on the outer side of the connector (4), a side head (9) is arranged on the right side of the needle base (1), an extension tube (10) is connected to the outer end of the side head (9), a convex edge (11) is connected to the outer side of the extension tube (10), a tube sleeve (12) is wrapped on the outer side of the extension tube (10), an extrusion block (13) is arranged inside the tube sleeve (12), and an extrusion sheet (14) is connected to the lower portion of the extrusion block (13), the top end of the extension tube (10) is connected with a heparin cap (15), and the outer sides of the extension tube (10) and the needle base (1) are both provided with fixing adhesive tapes (16).

2. The anti-drop needle disposable vein indwelling needle according to claim 1, wherein: the connector (4) and the needle seat (1) are fixedly connected to form an integrated structure, the bottom of the connector (4) is provided with a groove-shaped structure, and the connector (4) and the anti-falling block (7) form a convex structure.

3. The anti-drop needle disposable vein indwelling needle according to claim 1, wherein: rubber pad (5) bilateral symmetry sets up in the inside of connector (4), and hard needle (6) and connector (4) constitute dismantlement structure to annular groove-shaped structure has been seted up to connector (4) bottom.

4. The anti-drop needle disposable vein indwelling needle according to claim 1, wherein: the side head (9) and the needle seat (1) form a Y-shaped structure, and the extension tube (10) is fixedly connected with the needle seat (1) through the side head (9).

5. The anti-drop needle disposable vein indwelling needle according to claim 1, wherein: the outer side of the extension pipe (10) is provided with protruding edges (11) at equal intervals, and the pipe sleeve (12) and the protruding edges (11) form a sliding structure.

6. The anti-drop needle disposable vein indwelling needle according to claim 1, wherein: the extrusion block (13) and the extrusion sheet (14) form a T-shaped structure, the extrusion block (13) and the extrusion sheet (14) are connected in a hinged mode, and the extrusion block (13) is in a stepped structure.

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