CN210044616U

CN210044616U - Safety puncture-proof injection needle

Info

Publication number: CN210044616U
Application number: CN201920150130.1U
Authority: CN
Inventors: 刘雪美; 龚凯彬
Original assignee: Suzhou Lingyan Medical Technology Co Ltd
Current assignee: Suzhou Lingyan Medical Technology Co Ltd
Priority date: 2019-01-29
Filing date: 2019-01-29
Publication date: 2020-02-11
Anticipated expiration: 2029-01-29

Abstract

A safe puncture-proof injection needle belongs to the technical field of medical instruments and equipment, and comprises a reverse-proof cover, a needle seat, a push-pull handle and a needle tube; the needle tube is provided with a needle seat, a needle tube is arranged in the needle seat, the needle tube is provided with a needle tube. The utility model discloses a thorn syringe needle is prevented to safe type pushes away the needle file or pulls in through push-and-pull handle and prevents behind the contrary groove can't the contrary time, whole needle tubing, needle point safety lock die at preventing contrary cover intracavity, but medical personnel one hand pull fast or push handle until the distal end prevent against the contrary inslot alright take effect convenient operation. The double anti-acupuncture structure ensures that the needle head of the injection needle is locked irreversibly, and effectively avoids the injury and infection caused by acupuncture of medical care personnel.

Description

Safety puncture-proof injection needle

Technical Field

The utility model belongs to the technical field of medical instrument and equipment, specifically, relate to a safe type prevents stinging syringe needle.

Background

The action principle of the injection needle is that the injection needle is connected with an injector or a collector and the like for application. The common injection needle usually comprises a needle tube, a needle seat and a protective cap, after the medical care personnel use the needle tube, the protective cap needs to be arranged back on the needle seat, and at the moment, the needle is easy to be punctured to cause disease infection of the medical care personnel. In the process of recovery after use, if the protective cap falls off, the recovery personnel can be easily injured and infected.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims at providing a safe type prevents stinging syringe needle prevents that medical personnel from having avoided the injury infection that the needle stick injures and causes at in-process such as puncture, injection, sample.

The technical scheme is as follows: the utility model provides a safe puncture-proof injection needle, which comprises an anti-reverse cover, a needle seat, a push-pull handle and a needle tube, wherein the needle seat is arranged in the anti-reverse cover, the push-pull handle is connected with the needle seat, the push-pull handle can push the needle seat to move in the anti-reverse cover, and the needle tube is arranged on one end part of the needle seat; the needle tube is provided with a needle seat, a needle tube is arranged in the needle seat, the needle tube is provided with a needle tube. The utility model discloses a thorn syringe needle is prevented to safe type pushes away the needle file or pulls in through push-and-pull handle and prevents behind the contrary groove can't the contrary time, whole needle tubing, needle point safety lock die at preventing contrary cover intracavity, but medical personnel one hand pull fast or push handle until the distal end prevent against the contrary inslot alright take effect convenient operation. The double anti-acupuncture structure ensures that the needle head of the injection needle is locked irreversibly, and effectively avoids the injury and infection caused by acupuncture of medical care personnel.

Furthermore, above-mentioned safe type prevents stinging syringe needle, prevent that reverse cover and needle file all are cylindricly to be equipped with a set of two-way protruding rail along the axial on the inner wall of preventing reverse cover, be equipped with a set of two-way spout along the axial on the outer wall of needle file, two-way protruding rail sets up in two-way spout, and two-way spout can follow two-way protruding rail and remove. Through the two-way convex rail and the two-way sliding groove structure, when the needle seat is pushed and pulled by the push-pull handle, the needle seat can move along the axial straight line of the anti-reverse cover, the needle seat is prevented from rotating and deviating in the anti-reverse cover, and the sliding process of the needle seat is stable due to the two-way convex rail and the two-way sliding groove, so that clamping stagnation is prevented.

Further, according to the safe puncture-proof injection needle, the outer wall of the needle seat is provided with the group of clamping grooves, the push-pull handle is provided with the group of elastic buckles, the elastic buckles can be clamped with the clamping grooves, and the elastic buckles can be arranged in the anti-reverse grooves.

Furthermore, in the safe puncture-proof injection needle, the section of the end surface of the push-pull handle close to the outer wall of the anti-reverse cover is an arc surface.

Furthermore, the safety puncture-proof injection needle is characterized in that the push-pull handle is provided with an anti-slip edge. The push-pull handle considers the application comfort and mechanics, the edge of the push-pull handle is processed by a fillet, and the front surface and the back surface of the push-pull handle are provided with three anti-skid convex surfaces. The anti-reverse cover is arranged to be a cambered surface which is in same arc shape fit with the anti-reverse cover, so that the appearance is attractive, and the mechanical mechanics is better met. The needle holder is provided with a positioning double-back-off button and an elastic double-button row, so that the needle holder can be conveniently and effectively fixed when being combined with the needle holder.

Furthermore, in the safe puncture-proof injection needle, one end face of the needle seat is provided with a needle tube opening, and the needle tube is arranged on the needle tube opening. The arranged needle tube opening can be connected with the needle tube, so that the needle tube can be driven to move together in the process of pushing the needle seat through the push-pull handle.

Furthermore, the safety puncture-proof injection needle is characterized in that the end face of the other end of the needle seat, which is far away from the needle tube opening, is provided with an inner cone, and the inner cone is connected with an injector. The connecting end of the syringe is designed into a standard 6/100 internal cone, so that the syringe can be conveniently connected.

Furthermore, in the safe anti-puncturing injection needle, the extending end of the needle tube of the anti-reversing shield is provided with the outer cone, and the push-pull handle pushes the needle base to extend the needle tube out of the outer cone.

Furthermore, according to the safe puncture-proof injection needle, the needle tube sheath is covered on the outer cone. The needle tube is used for protection before application and is pulled out before puncture or injection.

Furthermore, according to the safe type puncture-proof injection needle, the width of the anti-reverse groove along the radial direction of the anti-reverse cover is larger than the width of the push-pull limiting groove along the radial direction of the anti-reverse cover, and the push-pull limiting groove and the anti-reverse groove are arranged in a T shape. The elastic buckle has certain elasticity, so that the elastic buckle is pressed to be attached to the inner wall of the push-pull limiting groove, and the push-pull elastic buckle can move in the push-pull limiting groove; because the width of the anti-reverse groove is larger than that of the push-pull limiting groove, when the elastic buckle moves to the anti-reverse groove, the elastic buckle is clamped into the anti-reverse groove under the action of elastic force, the needle tube cannot be reversed, and the needle tip of the whole needle tube is safely locked in the anti-reverse cover cavity.

Above-mentioned technical scheme can find out, the utility model discloses following beneficial effect has: safe type prevent stinging syringe needle, simple structure, reasonable, convenient to use, it is with low costs to use, adaptability is good, prevent that the contrary cover intracavity has the double track way to form two-way straight line guide with the needle file, the distal end is equipped with prevents contrary groove, the cover body is equipped with the push-and-pull spacing groove. The needle seat can not be reversed after being pushed or pulled into the reverse-proof groove by the push-pull handle. The needle tip of the whole needle tube is locked in the cavity of the anti-reverse cover. Medical personnel can single hand pull fast or push away the handle and can take effect until the distal end prevents in the contrary inslot, and the simple operation is died to lock and is had not contrary the time, and safe effectual medical personnel of having protected have very high spreading value.

Drawings

Fig. 1 is a schematic structural view of the safety puncture-proof injection needle of the present invention;

fig. 2 is an exploded view of the safety type puncture-proof injection needle of the present invention;

fig. 3 is a schematic structural view of the anti-reverse cover of the present invention;

fig. 4 is a schematic structural view of the needle base of the present invention;

fig. 5 is a schematic structural view of the push-pull handle of the present invention;

FIG. 6 is a schematic view of the needle cannula of the present invention;

fig. 7 is a schematic structural view of the needle tube sheath of the present invention.

In the figure: the needle tube comprises an anti-reverse shield 1, a push-pull limiting groove 11, an anti-reverse groove 12, a bidirectional convex rail 13, an outer cone 14, a needle base 2, a bidirectional sliding groove 21, a clamping groove 22, a needle tube opening 23, an inner cone 24, a push-pull handle 3, an elastic buckle 31, an arc-shaped surface 32, an anti-slip edge 33, a round corner 34, a needle tube 4, a needle tube body 41, a needle point 42 and a needle tube sheath 5.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

The safety puncture-proof injection needle as shown in fig. 1, 2 and 6 comprises a reverse-proof cover 1, a needle seat 2, a push-pull handle 3 and a needle tube 4, wherein the needle seat 2 is arranged in the reverse-proof cover 1, the push-pull handle 3 is connected with the needle seat 2, the push-pull handle 3 can push the needle seat 2 to move in the reverse-proof cover 1, and the needle tube 4 is arranged at one end part of the needle seat 2; the anti-reverse shield is characterized in that a push-pull limiting groove 11 and an anti-reverse groove 12 are arranged on the anti-reverse shield 1, the push-pull limiting groove 11 is arranged along the axial direction of the anti-reverse shield 1, the anti-reverse groove 12 is arranged at one end, far away from the needle tube 4, of the anti-reverse shield 1, one end of the push-pull handle 3 can penetrate through the push-pull limiting groove 11 to be connected with the needle base 2, the other end of the push-pull handle 3 is located outside the anti-reverse shield 1, and the push-pull handle 3 can move in the push-pull. The width of the anti-reverse groove 12 along the radial direction of the anti-reverse cover 1 is larger than the width of the push-pull limiting groove 11 along the radial direction of the anti-reverse cover 1, and the push-pull limiting groove 11 and the anti-reverse groove 12 are arranged in a T shape. The push-pull handle 3 moves in the push-pull limiting groove 11, and when the push-pull handle 3 is not needed to be used, the push-pull handle 3 is placed in the anti-reverse groove 12 to prevent the needle tube 4 from extending out and stabbing workers. The needle tube 4 of the utility model comprises a needle tube body 41 and a needle point 42, and the needle point 42 can smoothly penetrate into the position to be injected.

The anti-reverse cover 1 and the needle seat 2 shown in fig. 3 are both cylindrical, and a set of bidirectional protruding rails 13 is axially arranged on the inner wall of the anti-reverse cover 1, a set of bidirectional sliding grooves 21 is axially arranged on the outer wall of the needle seat 2, the bidirectional protruding rails 13 are arranged in the bidirectional sliding grooves 21, and the bidirectional sliding grooves 21 can move along the bidirectional protruding rails 13. The cavity of the anti-reverse cover 1 is provided with a bidirectional rail, and the needle seat 2 can move forwards or backwards along the bidirectional rail in butt joint with the bidirectional rail.

As shown in fig. 4 and 5, a set of locking grooves 22 is formed on the outer wall of the needle holder 2, a set of elastic buckles 31 is formed on the push-pull handle 3, the elastic buckles 31 can be locked with the locking grooves 22, and the elastic buckles 31 can be arranged in the anti-reverse grooves 12. Elastic buckle 31 and draw-in groove 22 all set up to two to the symmetry sets up, impresses elastic buckle 31 in draw-in groove 22, thereby makes push-and-pull handle 3 be connected with needle file 2, connects convenient quick. In addition, the section of the end surface of the push-pull handle 3 close to the outer wall of the anti-reverse cover 1 is an arc surface 32. The end face of the push-pull handle 3 close to the anti-reverse cover 1 can form good matching with the anti-reverse cover 1 through the arc-shaped face 32, and the stability of the sliding process of the push-pull handle 3 is improved. And the anti-slip edge 33 is arranged on the push-pull handle 3. And rounded corners 34 are provided on the corners of the push handle 3. The anti-slip edge is convenient for fingers to push and pull, and slip is prevented. And the design of the round corners 34 is adopted, so that the hand feeling is good. In addition, one end face of the needle seat 2 is provided with a needle nozzle 23, and the needle tube 4 is arranged on the needle nozzle 23. And the end face of the other end of the needle stand 2 far away from the needle nozzle 23 is provided with an inner cone 24, and the inner cone 24 is connected with the injector. The inner cone 24 is a standard 6/100 inner cone.

In addition, the extending end of the needle tube 4 of the anti-reverse shield 1 is provided with an outer cone 14, and the push-pull handle 3 pushes the needle base 2 to extend the needle tube 4 out of the outer cone 14. The outer cone 14 is an 6/100 outer cone.

In addition, the outer cone 14 shown in fig. 7 is covered with a needle sheath 5. The arranged needle tube sheath 5 is pulled out before the needle tube 4 is used, and after injection, the needle tube 4 is directly retracted into the anti-reverse shield 1 through the push-pull handle 3, so that medical staff do not need to sleeve the needle tube sheath 5 on the needle tube 4, and the risk of puncture is reduced.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principles of the present invention, and these modifications should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a safe type prevents stinging syringe needle which characterized in that: the needle base (2) is arranged in the anti-reverse cover (1), the push-pull handle (3) is connected with the needle base (2), the push-pull handle (3) can push the needle base (2) to move in the anti-reverse cover (1), and the needle tube (4) is arranged on one end of the needle base (2); the needle tube anti-reverse mechanism is characterized in that a push-pull limiting groove (11) and an anti-reverse groove (12) are formed in the anti-reverse cover (1), the push-pull limiting groove (11) is arranged along the axial direction of the anti-reverse cover (1), the anti-reverse groove (12) is arranged at one end, far away from the needle tube (4), of the anti-reverse cover (1), one end of a push-pull handle (3) can penetrate through the push-pull limiting groove (11) to be connected with the needle seat (2), the other end of the push-pull handle (3) is located outside the anti-reverse cover (1), and the push-pull handle (3) can move in the push-pull limiting groove (11).

2. The safety puncture resistant injection needle according to claim 1, wherein: prevent contrary cover (1) and needle file (2) and all be cylindricly to be equipped with a set of two-way protruding rail (13) along the axial on the inner wall of preventing contrary cover (1), be equipped with a set of two-way spout (21) along the axial on the outer wall of needle file (2), two-way protruding rail (13) set up in two-way spout (21), and two-way spout (21) can be followed two-way protruding rail (13) and removed.

3. The safety puncture resistant injection needle according to claim 1, wherein: the anti-reverse-direction needle is characterized in that a group of clamping grooves (22) are formed in the outer wall of the needle base (2), a group of elastic buckles (31) are arranged on the push-pull handle (3), the elastic buckles (31) can be clamped with the clamping grooves (22), and the elastic buckles (31) can be arranged in the anti-reverse-direction grooves (12).

4. The safety type puncture resistant injection needle according to claim 3, wherein: the cross section of the end surface of the push-pull handle (3) close to the outer wall of the anti-reverse cover (1) is an arc surface (32).

5. The safety type puncture resistant injection needle according to claim 3, wherein: the push-pull handle (3) is provided with an anti-slip edge (33).

6. The safety puncture resistant injection needle according to claim 1, wherein: one end face of the needle base (2) is provided with a needle pipe opening (23), and the needle tube (4) is arranged on the needle pipe opening (23).

7. The safety puncture resistant injection needle according to claim 6, wherein: an inner cone (24) is arranged on the end face of the other end of the needle base (2) far away from the needle tube opening (23), and the inner cone (24) is connected with an injector.

8. The safety puncture resistant injection needle according to claim 1, wherein: the extending end of the needle tube (4) of the anti-reverse shield (1) is provided with an outer cone (14), and the push-pull handle (3) pushes the needle seat (2) to extend the needle tube (4) out of the outer cone (14).

9. The safety puncture resistant injection needle according to claim 8, wherein: the outer cone (14) is covered with a needle tube protective sleeve (5).

10. The safety puncture resistant injection needle according to claim 1, wherein: the anti-reverse groove (12) is wider along the radial direction of the anti-reverse cover (1) than the push-pull limiting groove (11) along the radial direction of the anti-reverse cover (1), and the push-pull limiting groove (11) and the anti-reverse groove (12) are arranged in a T shape.