Novel injector

By setting reverse scale lines and prompt caps on the syringe, the problem of drug labels blocking the scale lines is solved, timely judgment of drug dosage and safety prompts are achieved, and the safety of syringe use is improved.

CN223438950UActive Publication Date: 2025-10-17XIEHE HOSPITAL ATTACHED TO TONGJI MEDICAL COLLEGE HUAZHONG SCI & TECH UNIV
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Patent Information

Application Number
CN202422298176.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-20
Publication Date
2025-10-17
Estimated Expiration
2034-09-20

AI Technical Summary

Technical Problem

When existing syringes are used with injection pumps, the drug label obscures the scale lines on the outside of the syringe, making it impossible for medical staff to determine the remaining amount of medicine in a timely manner.

Method used

Reverse scale lines and convex pieces are set on the syringe barrel and the push rod, and a prompt cap is set on the push rod. The convex piece and the convex teeth produce abnormal sounds to prompt that the medicine is about to run out.

Benefits of technology

Medical staff can judge the dosage by observing the reverse scale line inside the push rod, avoiding treatment interruption and improving operational safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of injectors, and particularly relates to a novel injector which comprises an injection cylinder, a push rod is slidably connected into the injection cylinder, a prompt cap is connected to the right side of the push rod in a clamped mode, and a needle is connected to the left side of the injection cylinder in a clamped mode. The arc-shaped strips are fixedly connected among the four included angles of the cross-shaped rod in the push rod, and the arc-shaped surfaces of the four arc-shaped strips are provided with the internal reverse scale marks which are the same as the external scale marks of the syringe, so that when the syringe is matched with an injection pump for use and the external scale marks of the syringe are shielded by a medicine label, the syringe can be conveniently taken out; medical staff can observe the internal reverse scale line in the push rod from any angle and know the remaining dose in the injector, so that the medical staff can replace the injector in time conveniently, and medicine pushing operation is prevented from being affected.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the syringe technical field, specifically a kind of novel syringe. BACKGROUND

[0002] Syringe barrel is made of plastic or glass, usually there are scale indications indicating the volume of liquid in the syringe, widely used in medical instruments, utensils and other aspects, can also be used for chemical experiments, agriculture, food.

[0003] The current syringe is marked with positive scale mark outside the injection barrel, but the scale mark outside the injection barrel is externally connected with the syringe, which has the following defects when using the syringe:

[0004] When the syringe needs to be used with injection pump, the drug label needs to be pasted outside the syringe, and the drug label will block the scale line outside the injection barrel, so that the medical staff cannot timely predict the remaining drug amount in the syringe.

[0005] Therefore, a new type of syringe is provided for the above problems. INVENTION CONTENTS

[0006] (I) technical problem solved

[0007] In view of the deficiencies of the prior art, the utility model provides a new type of syringe, which solves the problem that the drug label blocks the scale line outside the syringe when the existing syringe is used with injection pump, so that the medical staff cannot timely determine the remaining drug amount in the syringe.

[0008] (II) technical scheme

[0009] To achieve the above purpose, the utility model provides the following technical scheme: a new type of syringe, including injection barrel, the injection barrel is slidably connected with push rod in the inside, the push rod right side is connected with prompt cap, the injection barrel left side is connected with needle head with the clamping;

[0010] The injection barrel includes barrel body, the barrel body outside front side and outside back side are provided with a plurality of equidistantly distributed external positive scale lines, the barrel body upper right side and lower right side are fixedly connected with a plurality of equidistantly distributed tabs;

[0011] The push rod includes cross bar, the cross bar outside four corners are fixedly connected with arc-shaped strip, the arc-shaped surface of four arc-shaped strips is provided with a plurality of equidistantly distributed internal reverse scale lines.

[0012] Preferably, the right side of the outer surface of the barrel body is fixedly connected with a fixed plate, the left end of the barrel body is fixedly connected with a connecting pipe, and the connecting pipe is communicated with the inside of the barrel body, and the connecting pipe is connected with the needle head.

[0013] Preferably, the right end of the cross rod is fixedly connected with a push plate, and the left end of the cross rod is fixedly connected with a connecting head.

[0014] Preferably, the connecting head is externally clamped with a rubber plug, the rubber plug is slidably connected with the barrel, and the outer surface of the rubber plug is tightly attached to the inner surface of the barrel.

[0015] Preferably, the prompt cap comprises a connecting cap, the inner surface of the connecting cap is fixedly connected with three clamping strips arranged in an equidistant annular array, the connecting cap is clamped with the push plate through the three clamping strips, and the left upper portion and the left lower portion of the connecting cap are fixedly connected with two first fixing strips and two second fixing strips.

[0016] Preferably, the left end of each of the four first fixing strips and the four second fixing strips is fixedly connected with a protruding tooth on one side, the four first fixing strips and the four second fixing strips are staggered, and the eight protruding teeth are in abutment with the plurality of protruding pieces.

[0017] (Three) beneficial effects

[0018] Compared with the prior art, the present application provides a new type of syringe, which has the following beneficial effects:

[0019] 1. The new type of syringe, wherein the four corners of the cross rod in the push rod are fixedly connected with arc-shaped strips, and the arc-shaped surfaces of the four arc-shaped strips are provided with internal reverse scale lines which are the same as the external scale of the injection barrel, when the syringe is used with the injection pump, when the drug label shields the scale line on the outside of the injection barrel, medical staff can observe the internal reverse scale line in the push rod at any angle, know the remaining amount of drug in the syringe, and conveniently replace the syringe in time, avoiding affecting the drug pushing operation.

[0020] 2. The new type of syringe, wherein a detachable prompt cap is arranged in the device, and a plurality of protruding pieces are fixedly connected with the injection barrel on the right side, when the syringe is used with the injection pump, the prompt cap is clamped with the push plate in the push rod, when the syringe enters the tail section of the drug pushing operation, the plurality of fixing strips in the prompt cap will slide with the protruding pieces on the outside of the injection barrel, thereby generating an abnormal sound for prompting, which is used for prompting medical staff that the remaining amount of drug in the syringe is about to run out, and can improve the safety of the drug pushing operation. BRIEF DESCRIPTION OF DRAWINGS

[0021] The drawings described herein are used to provide further understanding of the present application, and form a part of the present application. The schematic embodiments of the present application and the description thereof are used to explain the present application, and do not constitute an improper limitation on the present application. In the drawings:

[0022] Figure 1 is a three-dimensional schematic view of the utility model;

[0023] Figure 2 is a three-dimensional schematic view of the utility model;

[0024] Figure 3 is a three-dimensional schematic view of the injection cylinder of the utility model;

[0025] Figure 4 is a three-dimensional schematic view of the utility model push rod;

[0026] Figure 5 is a three-dimensional schematic view of the utility model prompt cap.

[0027] In the figure: 1, injection cylinder; 2, push rod; 3, prompt cap; 4, needle; 11, barrel; 12, external positive scale line; 13, tab; 14, fixed plate; 15, connecting pipe; 21, cross rod; 22, arc strip; 23, internal reverse scale line; 24, push plate; 25, connecting head; 26, rubber plug; 31, connecting cap; 32, clamping strip; 33, first fixed strip; 34, second fixed strip; 35, convex tooth. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0029] The specific embodiments are given below.

[0030] Please refer to Figures 1-5 The utility model provides a technical scheme: a novel syringe, including injection cylinder 1, the push rod 2 is connected with the inside sliding of injection cylinder 1, the push rod 2 right side is connected with the prompt cap 3 and is clamped, and the needle 4 is connected with the left side and is clamped of injection cylinder 1.

[0031] Further, as Figures 1-4As shown, the syringe 1 comprises a barrel 11, the barrel 11 is provided with a plurality of external forward scale lines 12 which are equidistantly and left-right distributed on the outer front side and the outer back side, the barrel 11 is fixedly connected with a plurality of flanges 13 which are equidistantly and left-right distributed on the upper right side and the lower right side, the outer surface of the barrel 11 is fixedly connected with a fixed plate 14, the left end of the barrel 11 is fixedly connected with a connecting pipe 15 which is communicated with the inside of the barrel 11, the connecting pipe 15 is clamped with the needle 4, the push rod 2 comprises a cross rod 21, the cross rod 21 is fixedly connected with an arc-shaped strip 22 in each of the four external angles, the arc-shaped surface of the four arc-shaped strips 22 is provided with a plurality of internal reverse scale lines 23 which are equidistantly and left-right distributed, the right end of the cross rod 21 is fixedly connected with a push plate 24, the left end of the cross rod 21 is fixedly connected with a connecting head 25, the connecting head 25 is clamped with a rubber plug 26 which is slidably connected with the barrel 11, and the outer surface of the rubber plug 26 is closely attached to the inner surface of the barrel 11.

[0032] Through the above scheme: by setting scale lines on the outside of the syringe 1 and the outside of the push rod 2, when the syringe needs to be used with the injection pump, and the scale lines on the outside of the syringe 1 are pasted and shielded by the drug label, the medical staff can directly observe the scale lines in the push rod 2, and can clearly know the remaining amount of the syringe, thereby avoiding the interruption of treatment.

[0033] Further, as shown in Figure 1 , Figure 2 and Figure 5 , the prompt cap 3 comprises a connecting cap 31, the inner surface of the connecting cap 31 is fixedly connected with three clamping strips 32 which are equidistantly and annularly arrayed, the connecting cap 31 is clamped with the push plate 24 through the three clamping strips 32, the left upper part and the left lower part of the connecting cap 31 are fixedly connected with two first fixed strips 33 and two second fixed strips 34, the left end of each of the four first fixed strips 33 and the four second fixed strips 34 is fixedly connected with a protruding tooth 35, the four first fixed strips 33 and the four second fixed strips 34 are staggered, and the eight protruding teeth 35 are in abutment with the plurality of flanges 13.

[0034] Through the above scheme: by setting the prompt cap 3 in the device, when the syringe is used with the injection pump, the prompt cap 3 can be clamped with the push plate 24 of the push rod 2, when the syringe is in the tail section of the drug pushing operation, the plurality of fixed strips in the prompt cap 3 will slide with the flanges 13 on the outside of the syringe 1 through the protruding teeth 35, so that the flanges 13 produce abnormal sound to prompt the medical staff.

[0035] Working principle: when using the injector, the needle 4 can be connected with the connecting pipe 15 in the syringe 1, that is, the extraction of the drug liquid can be realized by pulling the push rod 2 inside the syringe 1, when the injector is used with the injection pump, the prompt cap 3 can be connected with the push plate 24 in the push rod 2 first, and then the injector is installed into the injection pump for use, when the injector is used with the injection pump, the drug label will shield the scale line outside the syringe 1, at this time, the medical staff only needs to observe the internal reverse scale line 23 arranged in the push rod 2 to accurately know the remaining drug liquid amount inside the syringe 1, when the injector is in the tail section of the drug pushing operation, the plurality of fixed strips in the prompt cap 3 will slide with the protrusions 35 and the protrusions 13 arranged outside the syringe 1, so that the protrusions 13 produce abnormal sound, to prompt the medical staff that the drug amount inside the syringe 1 is about to run out, to avoid interruption of treatment.

[0036] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application.

Claims

1. A novel syringe, comprising a syringe barrel (1), characterized in that: A push rod (2) is slidably connected inside the injection barrel (1), a prompt cap (3) is snap-fitted on the right side of the push rod (2), and a needle (4) is snap-fitted on the left side of the injection barrel (1); The syringe (1) comprises a barrel (11), the outer front side and the outer rear side of the barrel (11) are both provided with a plurality of external positive scale lines (12) equidistantly distributed left and right, and the upper right side and the lower right side of the barrel (11) are both fixedly connected with a plurality of convex pieces (13) equidistantly distributed left and right; The push rod (2) comprises a cross rod (21), wherein four outer angles of the cross rod (21) are fixedly connected with arc strips (22), and the arc surfaces of the four arc strips (22) are provided with a plurality of internal reverse scale lines (23) distributed at equal distances on the left and right.

2. A novel syringe according to claim 1, characterized in that: A fixing plate (14) is fixedly connected to the right side of the outer surface of the barrel (11), and a connecting tube (15) is fixedly connected to the middle of the left end of the barrel (11). The connecting tube (15) is communicated with the interior of the barrel (11), and the connecting tube (15) is snap-connected to the needle (4).

3. A novel syringe according to claim 1, characterized in that: The right end of the cross rod (21) is fixedly connected to a push plate (24), and the left end of the cross rod (21) is fixedly connected to a connector (25).

4. A novel syringe according to claim 3, characterized in that: The connector (25) is externally engaged with a rubber plug (26), the rubber plug (26) is slidably connected to the barrel (11), and the outer surface of the rubber plug (26) is tightly fitted to the inner surface of the barrel (11).

5. A novel syringe according to claim 1, characterized in that: The prompt cap (3) comprises a connecting cap (31), the inner surface of which is fixedly connected to three equidistant annular array-distributed clamping strips (32), the connecting cap (31) is snap-connected to the push plate (24) via the three clamping strips (32), and the upper left side and the lower left side of the connecting cap (31) are both fixedly connected to two first fixing strips (33) and two second fixing strips (34).

6. A novel syringe according to claim 5, characterized in that: The four first fixing bars (33) and the four second fixing bars (34) are all fixedly connected to a protruding tooth (35) on one side of the left end facing inward. The four first fixing bars (33) and the four second fixing bars (34) are staggered and distributed. The eight protruding teeth (35) are in conflict with a plurality of convex pieces (13).