CN219721554U - Syringe needle point safety device - Google Patents

Syringe needle point safety device Download PDF

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Publication number
CN219721554U
CN219721554U CN202321257824.8U CN202321257824U CN219721554U CN 219721554 U CN219721554 U CN 219721554U CN 202321257824 U CN202321257824 U CN 202321257824U CN 219721554 U CN219721554 U CN 219721554U
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China
Prior art keywords
movable
cylinder
syringe
tube
protection
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Active
Application number
CN202321257824.8U
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Chinese (zh)
Inventor
姜建国
林豪
林敏�
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Wenzhou Kangerjian Medical Instrument Co ltd
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Wenzhou Kangerjian Medical Instrument Co ltd
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Priority to CN202321257824.8U priority Critical patent/CN219721554U/en
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Abstract

The utility model provides a needle point safety protection device of a syringe, which relates to the technical field of medical equipment and comprises a protection cylinder, wherein a movable cylinder is elastically installed in the protection cylinder, a protection pipe and a butt joint pipe for a syringe needle to penetrate are respectively constructed at the same ends of the protection cylinder and the movable cylinder, a positioning piece for elastically fixing the position of the movable cylinder in the protection cylinder is arranged on the outer edge surface of the protection cylinder, one end of the movable cylinder, which is far away from the butt joint pipe, penetrates out of one end of the protection cylinder, which is far away from the protection pipe, and two force application lugs are symmetrically constructed, two limit pieces are symmetrically constructed at one side, which is far away from the movable cylinder, of the two force application lugs, an inner cavity of the movable cylinder is used for inserting a syringe body, and a clamping groove for embedding the syringe lug at the end of the syringe body is formed between the limit pieces and the force application lugs. According to the utility model, after medical staff finishes drug injection by using the injector, the needle head of the injector main body can be quickly contained in the protective tube, so that the condition that the needle head hurts people can be effectively avoided, and the safety and the reliability are realized.

Description

Syringe needle point safety device
Technical Field
The utility model relates to the technical field of medical equipment, in particular to a needle point safety protection device of an injector.
Background
The syringe generally includes a syringe barrel, a plunger, and a needle. In the medical field, it is common practice to inject a hypodermic needle into a patient and then to perform a drug injection, as is a common medical device.
At present, when the existing injector is used, the structure is simpler, and generally, after the needle is sleeved and fixed on the suction nozzle at the front end of the injector cylinder, the medicine can be extracted and then the medical injection operation can be carried out. However, when the above operation is performed, after the medical staff takes the syringe and installs the needle, the needle is directly exposed in the air after the medicine is extracted and the medicine injection is completed, so that the directly exposed needle is easy to stab the medical staff or the patient after the medicine is injected, and the medical staff or the patient can be injured when the medical staff or the patient is thrown away as medical waste.
To this end, the present utility model provides a safety shield apparatus for a syringe needle tip to solve the above-mentioned technical problems.
Disclosure of Invention
The utility model aims to provide a needle point safety protection device of an injector, which can quickly store the needle of a main body of the injector in a protection tube after medical staff use the injector to finish medicine injection, thereby effectively avoiding the condition that the needle hurts people, and being safe and reliable.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a syringe needle point safety device, includes the protection section of thick bamboo, elastic mounting has a movable section of thick bamboo in the protection section of thick bamboo, the protection section of thick bamboo with the same end of movable section of thick bamboo is constructed respectively and is supplied the protection pipe and the butt joint pipe that the syringe needle was worn out, the outer fringe face of protection section of thick bamboo is provided with and is used for elastic fixation the setting element of movable section of thick bamboo in its internal position, the movable section of thick bamboo is kept away from the one end of butt joint pipe is worn out the protection section of thick bamboo is kept away from outside the one end of protection pipe to the symmetrical construction has two application of force ear, two application of force ear is kept away from one side symmetrical construction of movable section of thick bamboo has two spacing pieces, just the inner chamber of movable section of thick bamboo supplies the syringe main part to insert, form between spacing piece with the application of force ear supplies the syringe barrel ear gomphosis of syringe main part tip.
As a further preferable mode, the movable cylinder is configured with one end of the butt joint pipe inserted into the movable cylinder, a first spring is sleeved on the outer side of the butt joint pipe, and the first spring is connected with the inner wall of the protection cylinder and the end part of the movable cylinder.
As a further preferable scheme, the positioning piece comprises a movable piece, an inserting shaft vertically inserted into the protective cylinder is formed on one side of the movable piece, a positioning piece abutted to the outer edge surface of the movable cylinder is fixed on the inserting shaft, and a positioning protruding block matched with the movable cylinder in an inserting mode is fixed in the middle of the positioning piece.
As a further preferable scheme, two positioning holes are formed in the position, corresponding to the positioning piece, of the outer edge surface of the movable barrel, and the two positioning holes can be fixedly spliced with the positioning protruding blocks.
As a further preferable mode, after the two positioning holes are inserted and fixed with the positioning convex blocks, the needle heads of the syringe main body fixed in the movable cylinder are respectively kept out of the protective tube, and the needle heads of the syringe main body are kept in the protective tube.
As a further preferable scheme, a second spring is sleeved on the inserting shaft, and the second spring is positioned between the inner wall of the protection cylinder and the outer side of the positioning sheet and elastically abuts against the positioning protruding block towards the direction of the movable cylinder.
As a further preferable scheme, a pull ring is fixed on one side of the movable piece far away from the protective cylinder.
The utility model has the beneficial effects that:
(1) The utility model benefits from the cooperation of the movable barrel and the force application lug, and the syringe main body can be fixed in the movable barrel, so that the syringe main body and the device can be quickly installed, and the operation is simple.
(2) The utility model benefits from the cooperation of the protective tube, the protective tube and the movable tube, and the needle of the syringe main body fixed in the movable tube can penetrate out of the protective tube for use by fixing the movable tube in the protective tube with different depths or is contained in the protective tube for safety protection, thereby facilitating medical staff to quickly contain the needle of the syringe main body in the protective tube after injection is completed, effectively avoiding the condition that the needle hurts people, and being safe and reliable
In summary, the medical care device can quickly store the needle of the syringe main body in the protective tube after medical staff use the syringe to complete medicine injection, so that the condition that the needle hurts people can be effectively avoided, and the medical care device is safe and reliable.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the structure of the present utility model;
FIG. 3 is a schematic view of the internal structure of the present utility model;
FIG. 4 is an enlarged schematic view of the structure of FIG. 3A in accordance with the present utility model;
fig. 5 is a schematic structural view of the force application lug of the present utility model.
In the figure: 1. a protective cylinder; 2. a protective tube; 3. a movable cylinder; 301. a butt joint pipe; 302. positioning holes; 4. a force application lug; 401. a limiting piece; 5. a first spring; 6. a positioning piece; 601. a movable plate; 602. inserting a shaft; 603. a positioning sheet; 604. positioning the protruding blocks; 605. a second spring; 606. a pull ring; 7. a syringe body; 701. a syringe barrel.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Examples
Referring to fig. 1, 2 and 3, a needle tip safety device for a syringe includes a protective barrel 1, a movable barrel 3 is movably inserted in the protective barrel 1, an inner cavity of the movable barrel 3 is used for inserting a syringe main body 7, one end of the movable barrel 3 inserted in the protective barrel 1 is fixed with a butt joint pipe 301 for penetrating out a needle at the end of the syringe main body 7, and one end of the protective barrel 1 corresponding to the connecting pipe 301 is also provided with a protective pipe 2 for penetrating out or staying in the needle at the end of the syringe main body 7.
The first spring 5 is sleeved on the outer side of the butt joint pipe 301, and the first spring 5 is connected with the inner wall of the protective cylinder 1 and the end part of the movable cylinder 3, so that the movable cylinder 3 is elastically installed in the protective cylinder 1, and the needle at the end part of the syringe main body 7 fixed in the movable cylinder 3 can penetrate out of the protective tube 2 or be accommodated in the protective tube 2 by adjusting the depth of the movable cylinder 3 in the protective cylinder 1.
Referring to fig. 3, 4 and 5, the end of the movable tube 3 far from the protection tube 2 extends out of the end of the protection tube 1, two force application lugs 4 are symmetrically configured, two limit plates 401 are symmetrically configured on one side of the two force application lugs 4 far from the movable tube 3, a clamping groove is formed between the limit plates 401 and the force application lugs 4, so that the syringe barrel lug 701 of the syringe body 7 far from the needle end corresponding to the structure of the syringe barrel lug can be clamped between the limit plates 401 and the force application lugs 4 through rotation, thereby fixing the syringe body 7 in the movable tube 3, and the operation is simple and the use is convenient.
Meanwhile, a positioning piece 6 for fixing the position of the movable cylinder 3 in the protective cylinder 1 is arranged on the outer side of the protective cylinder 1, the positioning piece 6 comprises a movable piece 601, an inserting shaft 602 vertically inserted into the protective cylinder 1 is formed on one side of the movable piece 601, a positioning piece 603 abutted to the outer edge surface of the movable cylinder 3 is fixed on the inserting shaft 602, a positioning protruding block 604 matched with the movable cylinder 3 in an inserting mode is fixed in the middle of the positioning piece 603, a second spring 605 is sleeved on the inserting shaft 602, the second spring 605 is located between the inner wall of the protective cylinder 1 and the outer side of the positioning piece 603, and the positioning protruding block 604 is elastically abutted to the direction of the movable cylinder 3, so that the positioning protruding block 604 is matched with the movable cylinder 3 in an inserting mode under the action of the second spring 605 in a natural state to form fixing.
Specifically, two positioning holes 302 are formed at positions of the outer edge of the movable barrel 3 corresponding to the positioning piece 6, the two positioning holes 302 can be fixedly inserted into the positioning protruding block 604, and after the two positioning holes 302 are fixedly inserted into the positioning protruding block 604, the needle heads of the syringe main bodies 7 fixed in the movable barrel 3 are respectively kept out of the protective tube 2, and the needle heads of the syringe main bodies 7 are kept in the protective tube 2.
In addition, a pull ring 606 is fixed on one side of the movable piece 601 far away from the protective cylinder 1, so that a medical staff can lift the positioning lug 604 through the pull ring 606 to disengage from the positioning hole 302 on the surface of the movable cylinder 3, thereby being convenient for adjusting the position of the movable cylinder 3 in the protective cylinder 1 and re-fixing.
According to the needle point safety protection device for the syringe, the syringe body 7 can be inserted into the movable barrel 3, and then the syringe body 7 is rotated to enable the syringe barrel lug 701 to be clamped into the clamping groove formed between the limiting piece 401 and the force application lug 4, so that fixation is completed.
At this time, the needle at the end of the syringe main body 7 passes through the butt joint pipe 301 and passes out of the protective pipe 2 so as to facilitate drawing of liquid medicine and injection of medicine, and after injection is completed, a medical staff can lift the positioning protruding block 604 through the pull ring 606 so as to separate the positioning protruding block from one positioning hole 302, so that the movable barrel 3 pushes the movable barrel 3 for a certain distance towards the outside of the protective barrel 1 under the action of the first spring 5 under the condition that the positioning protruding block 604 is limited, the needle of the fixed syringe main body 7 in the movable barrel 3 can retract into the protective pipe 2, safety protection is completed, the condition that the needle hurts people subsequently can be effectively avoided, and safety and reliability are realized.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (7)

1. The utility model provides a syringe needle point safety device, includes a protection section of thick bamboo, elastic mounting has a movable section of thick bamboo in the protection section of thick bamboo, its characterized in that: the protective tube and the butt tube for the syringe needle to penetrate are respectively constructed at the same end of the protective tube and the same end of the movable tube, a positioning piece for elastically fixing the inner position of the movable tube is arranged on the outer edge surface of the protective tube, one end of the movable tube, which is far away from the butt tube, penetrates out of one end of the protective tube, which is far away from the protective tube, and two force application lugs are symmetrically constructed, two limit pieces are symmetrically constructed on one side, which is far away from the movable tube, of the two force application lugs, the inner cavity of the movable tube is used for the syringe body to be inserted, and a clamping groove for the syringe tube lug embedding at the end part of the syringe body is formed between the limit pieces and the force application lugs.
2. A syringe needle tip safety shield apparatus as recited in claim 1, wherein: the movable cylinder is provided with one end of the butt joint pipe inserted into the movable cylinder, a first spring is sleeved on the outer side of the butt joint pipe, and the first spring is connected with the inner wall of the protection cylinder and the end part of the movable cylinder.
3. A syringe needle tip safety shield apparatus as recited in claim 1, wherein: the locating piece comprises a movable piece, an inserting shaft vertically inserted into the protective cylinder is formed in one side of the movable piece, a locating piece abutted to the outer edge surface of the movable cylinder is fixed on the inserting shaft, and a locating protruding block matched with the movable cylinder in an inserting mode is fixed in the middle of the locating piece.
4. A syringe needle tip safety shield apparatus as recited in claim 3, wherein: two positioning holes are formed in the outer edge surface of the movable cylinder, which corresponds to the positioning piece, and the two positioning holes can be spliced and fixed with the positioning convex blocks.
5. A syringe needle tip safety shield apparatus as recited in claim 4, wherein: after the two positioning holes are fixedly inserted into the positioning convex blocks, the needle heads of the syringe main body fixed in the movable cylinder are respectively kept out of the protective tube, and the needle heads of the syringe main body are kept in the protective tube.
6. A syringe needle tip safety shield apparatus as recited in claim 3, wherein: the second spring is sleeved on the inserting shaft and positioned between the inner wall of the protection cylinder and the outer side of the positioning sheet, and elastically abuts against the positioning protruding block towards the direction of the movable cylinder.
7. A syringe needle tip safety shield apparatus as recited in claim 3, wherein: and a pull ring is fixed on one side of the movable piece far away from the protective cylinder.
CN202321257824.8U 2023-05-23 2023-05-23 Syringe needle point safety device Active CN219721554U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321257824.8U CN219721554U (en) 2023-05-23 2023-05-23 Syringe needle point safety device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321257824.8U CN219721554U (en) 2023-05-23 2023-05-23 Syringe needle point safety device

Publications (1)

Publication Number Publication Date
CN219721554U true CN219721554U (en) 2023-09-22

Family

ID=88028219

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321257824.8U Active CN219721554U (en) 2023-05-23 2023-05-23 Syringe needle point safety device

Country Status (1)

Country Link
CN (1) CN219721554U (en)

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