CN219847662U

CN219847662U - Needle cap hiding and accommodating type injector

Info

Publication number: CN219847662U
Application number: CN202222006750.2U
Authority: CN
Inventors: 蒋新颖; 申媛
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-08-01
Filing date: 2022-08-01
Publication date: 2023-10-20
Anticipated expiration: 2032-08-01

Abstract

The utility model relates to a needle cap hidden accommodating type injector, which comprises a needle cylinder, a needle head, a needle cap and a push handle, wherein the needle cylinder is provided with a needle head; the push handle comprises a handle part and an end plate; the handle part of the pushing handle is connected with the end plate through a hiding cap section, an inner cavity is arranged in the middle of the hiding cap section, and an opening of the inner cavity is positioned on the end plate and is provided with a notch ring; a positioning guide block and a positioning anti-drop ring are arranged in the inner cavity; the inner cavity is in an inverted truncated cone shape; the positioning guide block is positioned at a position close to the opening of the content cavity, and the positioning anti-drop ring is positioned at a position close to the bottom of the content cavity. The needle cap hiding and accommodating type injector has the capability of accommodating the needle cap, can be placed into the cavity after the needle cap is taken down, avoids directly discarding the needle cap, takes out the needle cap and sleeves the needle head after injection is completed, avoids the bad phenomenon that staff touches the needle head in the subsequent medical waste treatment process, and avoids stabbing.

Description

Needle cap hiding and accommodating type injector

Technical Field

The utility model relates to a medical injector structure, in particular to a needle cap hidden storage type injector.

Background

The medical injector is used for injecting a certain amount of liquid medicine into a patient in a piston extrusion mode, so that the aim of medicine treatment is fulfilled.

According to the national standard, the structure of the medical injector comprises a needle cylinder, a needle head, a needle cap and a push handle, wherein the needle head is positioned at the front end of the needle cylinder, and the needle cap is sleeved on the needle head and used for protecting the needle head, preventing the needle head from being polluted and preventing puncture.

In the actual use process of the medical injector, the needle cap is firstly required to be removed, then the needle head is penetrated into the medicament bottle, the push handle is pulled, the liquid medicine is sucked, then the needle head is penetrated into a specific position and a specific depth of a patient body, the push handle is slowly pushed, and the liquid medicine is injected into the patient body.

After the operation is finished, the injector is finished to be disposable and is discarded into a designated collection box as medical waste.

Because the structure of the existing injector does not have the function of accommodating the needle cap, when a plurality of medical staff use the injector, after the needle cap is pulled out, the needle cap is directly discarded, so that the subsequent medicine sucking, penetrating and injecting operations are smoothly carried out; the situation can directly lead to the separation of the needle cap and the needle head, so that a worker who handles medical waste can easily touch the needle point of the needle head and is stabbed by the needle point, and potential safety hazards exist.

Disclosure of Invention

The purpose of the utility model is that:

the push handle of the existing injector is structurally improved, the cavity for accommodating the needle cap is additionally arranged, the capability of accommodating the needle cap is achieved, medical staff can put the needle cap into the cavity after taking down the needle cap, the needle cap is prevented from being directly discarded, then the needle cap is taken out and carefully sleeved on the needle after injection is completed, and the adverse phenomenon that the staff touches the needle in the subsequent medical waste treatment process is avoided, so that puncture is avoided.

In order to achieve the above object, the present utility model provides the following technical solutions:

the needle cap hiding and accommodating type injector comprises a needle cylinder, a needle head, a needle cap and a push handle, wherein the needle head is positioned at the end part of the needle cylinder, the needle cap is detachably sleeved outside the needle head, the push handle is positioned inside the needle cylinder, and the tail end of the push handle is provided with a piston; the push handle comprises a handle part and an end plate; the handle part of the pushing handle is connected with the end plate through a hiding cap section, an inner cavity is arranged in the middle of the hiding cap section, and an opening of the inner cavity is positioned on the end plate and is provided with a notch ring; a positioning guide block and a positioning anti-drop ring are arranged in the inner cavity; the inner cavity is in an inverted truncated cone shape; the positioning guide block is positioned at a position close to the opening of the content cavity, and the positioning anti-drop ring is positioned at a position close to the bottom of the content cavity.

Further, the tail end of the handle part is coaxially connected with the piston, and the end plate is positioned outside the needle cylinder; the shape of the hiding cap section is cylindrical and is coaxially connected with the handle.

Further, the positioning guide blocks are multiple in number and are arranged in a circumferential array relative to the central axis of the content cavity; the positioning guide block is hemispherical in shape and made of hard rubber.

Further, the positioning anti-drop ring is in a circular ring shape and is arranged in a circumferential array relative to the central axis of the inner cavity; the positioning anti-drop ring is made of soft silica gel.

Further, anti-slip patterns are arranged on the inner circumferential wall of the positioning anti-slip ring, and the anti-slip patterns are particularly in a zigzag shape.

Further, the notch ring is a circular ring-shaped groove, and the notch ring and the inner cavity are coaxially arranged and communicated.

The beneficial effects of the utility model are as follows: the utility model provides a needle cap conceals accommodating type syringe carries out institutional advancement to the pushing handle of current syringe, add and hide the cap section, have the content chamber that is used for holding the needle cap, possess the ability of accomodating the needle cap, after medical personnel takes off the needle cap, can put into the cavity, avoid directly abandoning the needle cap, then after the injection is accomplished, can take out the needle cap and carefully overlap on the needle, make the needle cap continue to exert the safeguard function to the syringe needle, make the best use of everything, avoid follow-up medical waste handling in-process staff to touch the bad phenomenon of touching the syringe needle, thereby avoid stabbing, eliminate the potential safety hazard.

Drawings

Fig. 1 is a cross-sectional view showing the whole structure of a needle cap concealed storage type syringe according to the present utility model.

Fig. 2 is a schematic view showing a needle cap of a needle cap hiding and accommodating syringe according to the present utility model accommodated in a push handle.

The components in the figure:

1. a needle cylinder; 2. a needle; 3. a needle cap; 4. a push handle; 41. a handle; 42. an end plate; 43. hiding the cap section; 44. a content cavity; 45. a notch ring; 5. positioning a guide block; 6. positioning an anti-falling block; 61. anti-skid lines.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Referring to fig. 1 to 2, a syringe with a hidden needle cap comprises a syringe 1, a needle head 2, a needle cap 3 and a push handle 4, wherein the needle head 2 is positioned at the end part of the syringe 1, the needle cap 3 is detachably sleeved outside the needle head 2, the needle cap 3 is used for protecting the needle head 2 to prevent the needle head 2 from being polluted, the push handle 4 is positioned inside the syringe 1, the tail end of the push handle 4 is provided with a piston, and the push handle 4 is used for pushing the piston to realize extrusion injection of liquid medicine; the push handle 4 comprises a handle 41 and an end plate 42; the handle 41 of the push handle 4 is connected with the end plate 42 through the cap hiding section 43, the end plate 42 is positioned at the rear end of the push handle 4 and is used for realizing injection action by hand pushing, an inner cavity 44 is arranged in the middle of the cap hiding section 43, the inner cavity 44 is used for accommodating the needle cap 3, an opening of the inner cavity 44 is positioned on the end plate 42 and is provided with a notch ring 45, and the notch ring 45 is used for facilitating the needle cap 3 to be taken out from the inner cavity 44; a positioning guide block 5 and a positioning anti-drop ring 6 are arranged in the inner cavity 44; the inner cavity 44 is in the shape of an inverted truncated cone; the positioning guide block 5 is located at a position close to the opening of the content cavity 44, the positioning guide block 5 is used for guiding and positioning the needle cap 3, the positioning anti-drop ring 6 is located at a position close to the bottom of the content cavity 44, the positioning anti-drop ring 6 is used for positioning the needle cap 3, and the needle cap 3 is prevented from moving out.

The tail end of the handle 41 is coaxially connected with the piston, and the end plate 42 is positioned outside the needle cylinder 1, so that the pushing by fingers is facilitated; the hidden cap section 43 is cylindrical in shape and is coaxially connected with the handle 41, so that the push handle 4 is prevented from moving.

The number of the positioning guide blocks 5 is multiple, and the positioning guide blocks are arranged in a circumferential array shape relative to the central axis of the content cavity 44, so that annular multi-azimuth positioning is formed, and positioning accuracy is ensured; the positioning guide block 5 is hemispherical in shape and made of hard rubber, and has certain anti-skid and wear-resistant properties.

The positioning anti-drop ring 6 is circular and is arranged in a circumferential array relative to the central axis of the inner cavity 44 and is attached to the outer wall of the head of the needle cap 3; the positioning anti-drop ring 6 is made of soft silica gel, has a high friction coefficient and is soft in texture.

The anti-slip patterns 61 are arranged on the inner circumferential wall of the positioning anti-slip ring 6, the anti-slip patterns 61 are particularly in a zigzag shape, and the anti-slip patterns 61 can be contacted with the outer wall of the needle cap 3, so that the needle cap 3 is prevented from moving out.

The notch ring 45 is a circular groove, the notch ring 45 and the inner cavity 44 are coaxially arranged and communicated, and the notch ring 45 is used for conveniently pulling out a part of the needle cap 3 and then integrally drawing out the needle cap 3 when the needle cap 3 needs to be taken out.

The specific use method of the utility model is as follows:

when medical staff needs to inject medicine into a patient, firstly tearing the outer package of the injector, taking out the injector, then taking down the needle cap 3 from the needle head 2, directly putting the needle cap 3 into the inner cavity 44 of the cap hiding section 43 of the push handle 4, pushing inwards along the axial direction, and in the pushing process, positioning and guiding the needle cap 3 through the positioning and guiding blocks 5 in an annular array until the needle cap 3 is completely embedded into the inner cavity 44 of the cap hiding section 43, and positioning and anti-dropping rings 6 center the head of the needle cap 3 at the moment, wherein anti-slip lines 61 are contacted with the outer wall of the needle cap 3 to prevent the needle cap 3 from moving out by oneself;

then the needle 2 is penetrated into the medicament bottle, and a specific amount of liquid medicament is extracted; then the needle head 2 is penetrated into a specific part of a patient to a specific depth, the push handle 4 is manually pressed, and the push handle 4 drives the piston to move forwards, so that the liquid medicine in the needle cylinder 1 is injected into the body of the patient, and the medicine injection treatment is realized;

after injection is completed, the convex ring at the tail end of the needle cap 3 is scratched out through the notch ring 45, so that the needle cap 3 is taken out from the inner cavity 44, the needle cap 3 can be taken out and carefully sleeved on the needle head 2, the needle cap 3 can continue to exert the protection function on the needle head 2, the adverse phenomenon that staff touches the needle head 2 in the subsequent medical waste treatment process is avoided, the stabbing is avoided, and the potential safety hazard is eliminated.

The above examples are provided to further illustrate the utility model and do not limit the utility model to these specific embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be construed as being within the protection scope of the present utility model.

Claims

1. The utility model provides a needle cap hiding storage type injector, includes cylinder (1), syringe needle (2), needle cap (3) and push away handle (4), syringe needle (2) are located cylinder (1) tip, needle cap (3) detachably cover is established in syringe needle (2) outside, push away handle (4) and be located cylinder (1) inside and push away the end of handle (4) and be provided with the piston; the push handle (4) comprises a handle (41) and an end plate (42); the method is characterized in that: the handle (41) of the pushing handle (4) is connected with the end plate (42) through a hiding cap section (43), an inner cavity (44) is arranged in the middle of the hiding cap section (43), and an opening of the inner cavity (44) is positioned on the end plate (42) and is provided with a notch ring (45); a positioning guide block (5) and a positioning anti-drop ring (6) are arranged in the inner cavity (44); the inner cavity (44) is in a shape of an inverted truncated cone; the positioning guide block (5) is positioned at a position close to the opening of the content cavity (44), and the positioning anti-drop ring (6) is positioned at a position close to the bottom of the content cavity (44).

2. The needle cap concealed storage syringe of claim 1, wherein: the tail end of the handle part (41) is coaxially connected with the piston, and the end plate (42) is positioned outside the needle cylinder (1); the shape of the hiding cap section (43) is cylindrical and is coaxially connected with the handle (41).

3. The needle cap concealed storage type syringe according to claim 2, wherein: the number of the positioning guide blocks (5) is a plurality of the positioning guide blocks and the positioning guide blocks are arranged in a circumferential array mode relative to the central axis of the content cavity (44); the positioning guide block (5) is hemispherical in shape and made of hard rubber.

4. A needle cap concealed storage syringe as claimed in claim 3, wherein: the positioning anti-drop ring (6) is in a circular ring shape and is arranged in a circumferential array relative to the central axis of the inner cavity (44); the positioning anti-drop ring (6) is made of soft silica gel.

5. The needle cap concealed accommodating syringe according to claim 4, wherein: the anti-slip ring is characterized in that anti-slip lines (61) are arranged on the inner circumferential wall of the positioning anti-slip ring (6), and the anti-slip lines (61) are particularly serrated.

6. The needle cap concealed accommodating syringe according to claim 5, wherein: the notch ring (45) is a circular groove, and the notch ring (45) and the inner cavity (44) are coaxially arranged and communicated.