CN217489452U - Anti-pricking needle - Google Patents

Abstract

The utility model relates to the technical field of medical equipment, concretely relates to prevent syringe needle of pricking hand, including pintle and needle cap, the outside of pintle is located to the needle cap cover, is equipped with at least one fixed knot on the outer wall of pintle, and the inner wall of needle cap is equipped with at least one fixed orifices, and fixed knot forms the L type including the first section and the second section that connect gradually, first section and second section combination, are equipped with hollow cavity in the pintle, and the pintle is located the cavity. Through the fixed orifices that sets up the L type in the needle cap, rotatory needle cap after the fixed knot on the pintle passes first section like this, thereby make fixed knot be located the second section in thereby fix fixed knot, only make after the reverse rotation needle cap when needs use fixed knot just can take out the needle cap when being located the bottom of first section, because be fixed through rotatory mode between needle cap and the pintle, consequently just need not exert oneself to separate needle cap and pintle when taking off the needle cap, thereby the hand of holding the needle cap just can not produce and contracts, reduce the probability of being pricked.

Description

Anti-pricking needle

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to prevent syringe needle of pricking hand.

Background

The syringe is a common medical appliance, and the existing syringes are all provided with needle caps for protecting the needles in order to prevent the needles from penetrating a sterile packaging bag to pollute the sterile packaging bag in the processes of storage and transportation. Before the medical staff uses the syringe, the needle cap needs to be pulled out firstly to expose the needle head, and after the use is finished, the needle cap needs to be sleeved again to protect the needle head.

The existing needle cap is usually made into a cylinder with an opening at one end, and the needle cap has the following defects in use: the needle head is inserted from the opening, and the opening needs to be matched and clamped with the outer wall of the pintle, so that little force is needed when the needle cap is taken down, but the hand holding the needle cap can retract due to inertia after the needle cap is pulled out forwards frequently by force in the using process, and the hand can be pricked by the needle head when retracting.

When the needle cap is covered after use, the inner diameter of the opening of the needle cap is smaller, so that hospital personnel can not easily align with the opening when inserting the needle, so that the needle is inserted to be deviated to cause finger puncture, and particularly, the used needle is very dangerous if the used needle carries infectious viruses such as AIDS, syphilis, hepatitis B and the like.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to at present when taking off the needle cap owing to probably will contract hard and lead to the problem that the hand was pricked, provide a prevent syringe needle of pricking hand.

In order to realize the purpose of the utility model, the utility model provides a following technical scheme:

the utility model provides a prevent syringe needle of pricking hand, includes pintle and needle cap, the needle cap cover is located the outside of pintle, be equipped with at least one fixed knot on the outer wall of pintle, the inner wall of needle cap is equipped with at least one fixed orifices, fixed knot is including the first section and the second section that connect gradually, first section and second section combination form the L type, be equipped with hollow cavity in the pintle, the pintle is located in the cavity.

Preferably, be equipped with two fixed knot in the periphery of pintle, correspond on the inner wall of needle cap and be equipped with two fixed orificess, two the opposite direction of fixed orificess. Through set up two fixed knots on the pintle, set up the fixed orifices in the inside of needle cap, can make the pintle be connected more firmly with the needle cap like this.

Preferably, the distance from the fixing buckle to the top of the pintle is not less than the distance from the second section to the top of the needle cap.

Preferably, the needle cap comprises a body, a boss is arranged at the top of the body, the outer diameter of the boss is larger than that of the body, and a through hole communicated with the cavity is formed in the boss. If the needle head fails to timely recover the sharp sharps recovery box after the use is finished, the needle cap needs to be covered with the needle head so as to avoid puncture, but the hole in the pintle is small, and the pintle is likely to be inserted partially when covering the pintle, so that a boss larger than the body is arranged on the body, the body at the lower part of the boss can be pinched by fingers, and the boss can play a certain role in protecting the needle cap so as to reduce the risk of puncture.

Preferably, the boss and the body are both polygonal, and the polygonal can prevent the needle cap from rotating and rolling off.

Preferably, the boss and the body are both quadrilateral.

Preferably, the diameter of the through hole is gradually reduced from the top to the body, the cross section of the through hole is equivalent to a trapezoid, and the through hole is gradually reduced from top to bottom, so that the pillow at the front section of the pintle can play a role of guiding when being inserted.

Preferably, the outer wall of the needle cap is provided with an anti-rotation strip, so that the needle cap can be prevented from rolling.

Preferably, the anti-rotation strips are of cuboid structures.

Preferably, the cross section of the body is gradually reduced from the side close to the boss to the side far away from the boss.

Compared with the prior art, the beneficial effects of the utility model are that: through the fixed orifices that sets up the L type in the needle cap, rotatory needle cap after the fixed knot on the pintle passes first section like this, thereby make fixed knot be located the second section in thereby fix fixed knot, only make after the reverse rotation needle cap when needs use fixed knot just can take out the needle cap when being located the bottom of first section, because be fixed through rotatory mode between needle cap and the pintle, consequently just need not exert oneself to separate needle cap and pintle when taking off the needle cap, thereby the hand of holding the needle cap just can not produce and contracts, reduce the probability of being pricked.

Description of the drawings:

FIG. 1 is a schematic view of a hand prick prevention needle provided herein;

FIG. 2 is a schematic structural view of the needle cap;

FIG. 3 is a cross-sectional view of FIG. 2;

FIG. 4 is a schematic view of the structure of the pintle;

fig. 5 is a cross-sectional view of fig. 1.

The labels in the figure are: 1-pintle, 2-pintle cap, 3-fixing button, 4-fixing hole, 5-first section, 6-second section, 7-boss, 8-through hole, 9-anti-rotation strip, and 10-body.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being 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.

In the description of the present invention, unless otherwise specified and limited, it is to be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, mechanically or electrically connected, or may be connected between two elements through an intermediate medium, or may be directly connected or indirectly connected, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.

As shown in fig. 1 to 5, the utility model provides a prevent syringe needle of pricking hand, including pintle 1 and needle cap 2, 2 covers of needle cap are located the outside of pintle 1, be equipped with hollow cavity in the needle cap 2, pintle 1 is located in the cavity.

In order to prevent the needle cap 2 from being hurt by hand retraction caused by force when being taken out, at least one fixing buckle 3 is arranged on the outer wall of the pintle 1, at least one fixing hole 4 is arranged on the inner wall of the needle cap 2, the fixing buckle 3 comprises a first section 5 and a second section 6 which are connected in sequence, and the first section 5 and the second section 6 are combined to form an L shape. The fixing buckle 3 of the present embodiment is a rectangular parallelepiped, but may be a sphere. The second section 6 is arranged along the inner wall of the needle cap 2 and is thus arc-shaped.

The utility model discloses a syringe needle has set up two fixed knot 3 for better fixed action of playing on pintle 1, and the correspondence has set up two fixed orificess 4 on the inner wall of needle cap 2, and two fixed knot 3 are on a straight line, two fixed orificess 4 opposite direction. If only one fixing buckle 3 and one fixing hole 4 are arranged, the needle cap 2 can shake, and the needle cap 2 cannot shake when being arranged, but the arrangement is too much, so that the processing difficulty is increased, and the needle cap 2 is not convenient to sleeve.

The pintle 1 is mounted at the front end of the syringe, and after the needle cap 2 is mounted on the pintle 1, in order to prevent the pintle 1 from being dry and dry with the syringe, the distance from the fixing button 3 to the top of the pintle 1 is not less than the distance from the second section 6 to the top of the needle cap 2, that is, the top of the pintle 1 is flush with the top of the needle cap 2 after the fixing button 3 is located at the second section 6, or the top of the pintle 1 exceeds the top of the needle cap 2, but the whole pintle 1 is located in the cavity.

The needle cap 2 comprises a body 10, a boss 7 is arranged at the top of the body 10, the outer diameter of the boss 7 is larger than that of the body 10, and a through hole 8 communicated with the cavity is formed in the boss 7. The diameter of the through hole 8 gradually decreases from the top to the body 10, i.e. it corresponds to the funnel shape of the through hole 8. The cross section of the body 10 is gradually reduced from the side close to the boss 7 to the side far from the boss 7.

Boss 7 with body 10 is the polygon, can be triangle-shaped, quadrangle, pentagon, compares like this in current columniform body 10 and has the effect of anti-roll, and body 10 and boss 7 that this embodiment provided are quadrangle, of course, for better play anti-roll purpose, be equipped with the anti-rotation strip 9 of cuboid shape on the outer wall of needle cap 2.

The working process is as follows: the first section 5 is arranged from the top of the needle cap 2, when the needle cap is not used, the fixing buckle 3 is positioned in the second section 6, and the upper part and the lower part of the second section 6 are propped, so that the needle cap 2 cannot be separated from the pintle 1. When the needle cap 2 needs to be used, the needle cap 2 is rotated, so that the fixing buckle 3 is positioned at the bottom of the first section 5, and then the needle cap 2 can be easily taken out. After using the completion, if the box is retrieved to sharp gas to the pintle 1 can not timely recovery, then will hold body 10 of boss 7 lower part, in passing pintle 1 into the cavity, then rotatory pintle 1 for the fixed knot 3 is located the first section 5 of fixed orifices 4, continues the telescope with needle cap 2, and until the fixed knot 3 is located the bottom of first section 5, it can to rotate needle cap 2 and make the fixed knot 3 be located second section 6.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principles of the present invention should be included within the scope of the present invention.

Claims (10)

1. The utility model provides a prevent syringe needle of pricking hand, includes pintle (1) and needle cap (2), needle cap (2) cover is located the outside of pintle (1), its characterized in that, be equipped with at least one fixed knot (3) on the outer wall of pintle (1), the inner wall of needle cap (2) is equipped with at least one fixed orifices (4), fixed knot (3) are including first section (5) and second section (6) that connect gradually, first section (5) and second section (6) combination form the L type, be equipped with hollow cavity in the needle cap (2), pintle (1) is located in the cavity.

2. A finger-pricking preventing needle as claimed in claim 1, characterised in that two fixing buckles (3) are provided on the periphery of the pintle (1), and two fixing holes (4) are correspondingly provided on the inner wall of the needle cap (2), the two fixing holes (4) being in opposite directions.

3. A finger-resistant needle as claimed in claim 1, characterised in that the distance of the retaining buckle (3) from the top of the pintle (1) is no less than the distance of the second section (6) from the top of the cap (2).

4. A hand pricking prevention needle according to claim 1, characterised in that the needle cap (2) comprises a body (10), a boss (7) is provided at the top of the body (10), the outer diameter of the boss (7) is larger than that of the body (10), and a through hole (8) communicating with the cavity is provided in the boss (7).

5. A finger-resistant needle as claimed in claim 4, characterised in that the boss (7) and the body are both polygonal.

6. A hand pricking prevention needle as claimed in claim 5, characterised in that the boss (7) and the body (10) are both quadrilateral.

7. A finger-resistant needle as claimed in claim 4, characterised in that the diameter of the through-hole (8) decreases progressively from the top to the body (10).

8. A finger-resistant needle as claimed in claim 1, characterised in that the outer wall of the cap (2) is provided with anti-rotation strips (9).

9. A finger-prick prevention needle according to claim 8, characterised in that the anti-rotation strip (9) is of cuboid construction.

10. A finger tip according to claim 4, characterised in that the cross-section of the body (10) tapers from the side adjacent the boss (7) to the side remote from the boss (7).

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