Multi-channel injector

By designing the injection head and propulsion mechanism in a multi-channel syringe, the problem of accidental injection when injecting drugs alone is solved, and the functions of drug flow control and synchronous injection are realized.

CN223654262UActive Publication Date: 2025-12-12CHANGZHOU MEDICAL APPLIANCES GENERAL FACTORY
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202422626094.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-30
Publication Date
2025-12-12
Estimated Expiration
2034-10-30

AI Technical Summary

Technical Problem

Existing multi-channel syringes lack a flow-limiting mechanism, which may lead to the accidental injection of other drugs when injecting a single medication.

Method used

A multi-channel syringe was designed, comprising an injection head and a propulsion mechanism. The injection head controls the individual injection of drugs via a clamp, and the propulsion mechanism enables simultaneous or individual drug injection via a rotating block and a stop bar.

Benefits of technology

It achieves flow restriction control when injecting drugs individually, preventing accidental drug injection, and enables simultaneous injection through multiple channels when needed.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223654262U_ABST
    Figure CN223654262U_ABST
Patent Text Reader

Abstract

The utility model discloses a multi-channel injector which comprises an injection cylinder, a plurality of medicine grooves are integrally formed in the injection cylinder, a plurality of connectors are integrally formed at the bottom of the injection cylinder, an injection head is arranged below the connectors, and the injection head comprises a round block, a plurality of medicine guide pipes, a plurality of clamps, an insertion pipe and a needle head. A medicine groove is formed in the syringe body, a piston is arranged in the medicine groove, a push rod is fixed to the top of the piston, push blocks are fixed to the top end of the push rod, and pushing mechanisms are arranged on the inner side walls of the push blocks. According to the multi-channel injector, the injection head is arranged, when medicine needs to be injected independently, the clamp is pressed, and the clamp can clamp the medicine guide pipe for throttling, so that injection of liquid medicine in the medicine groove can be controlled, and other liquid medicine is prevented from entering the convergence hole when the medicine is injected.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to syringe technical field, concretely is a kind of multi-channel syringe. BACKGROUND

[0002] Syringe is a common medical appliance. Mainly with needle to extract or inject gas or liquid. Syringe can also be used for medical equipment, container, such as some chromatography in scientific instruments through rubber septum injection.

[0003] Through the search, the prior art (publication number: CN217854074U) discloses a kind of multi-channel syringe, related to syringe technical field, including syringe main part, the inside surface of the two sides of syringe main part is symmetrically provided with two groups of loading rod, the upper end outer surface of two groups of loading rod is provided with balance plate, the inner wall of balance plate is uniformly provided with three groups of grommet, the upper end outer surface of each group of grommet is provided with push rod, the lower end outer surface of each group of grommet is provided with butt joint rod, the upper end outer surface of butt joint rod is provided with threaded head, the upper end outer surface of each group of push rod is provided with nut, connecting plate is provided between nut and push rod. The utility model discloses a kind of multi-channel syringe, butt joint rod and push rod, it is convenient to inject simultaneously to push three groups of injection ring and injection rod, deflector, flow guide pipe and converging ball, it is convenient to inject the injection liquid in injection tube into recipient by butt joint rod, connecting plate and nut facilitate to push three groups of push rod downward simultaneously.

[0004] Although it combines simultaneous injection and separate injection, it has the following deficiencies: the flow guide pipe does not have a flow limiting mechanism, which may cause accidental contact with other nuts during separate injection, resulting in injection of other medicines. UTILITY MODEL CONTENT

[0005] To overcome the deficiencies of the prior art, the utility model provides a kind of multi-channel syringe, to solve the problems raised in the above background art.

[0006] To achieve the above purpose, the utility model is implemented by the following technical solutions: a kind of multi-channel syringe, including injection cylinder, the inside of the injection cylinder is integrally formed with multiple medicine grooves, the bottom of the injection cylinder is integrally formed with multiple connecting heads, the lower portion of the connecting head is provided with an injection head, the injection head includes a circular block, multiple medicine guide tubes, multiple clamps, a cannula and a needle, the inside of the medicine groove is provided with a piston, the top of the piston is fixed with a push rod, the top end of the push rod is fixed with a push block, the inner side wall of multiple push blocks is provided with a pushing mechanism.

[0007] Preferably, the top of the round block is provided with a jack, the medicine guide pipe is located in the interior of the round block, the medicine guide pipe and the interior of the round block are provided with a confluence hole, and the two ends of the medicine guide pipe are communicated with the bottom of the jack and the inner side wall of the confluence hole.

[0008] Preferably, the interior of the round block is provided with a plurality of rectangular grooves, the clamps are located in the interior of the rectangular grooves, the clamps and the rectangular grooves are in sliding connection, the insertion tube is integrally formed with the round block, the needle is inserted in the outer side of the insertion tube, and the connecting head is inserted with the jack.

[0009] Preferably, the top of the round block is provided with a jack, the medicine guide pipe is located in the interior of the round block, the medicine guide pipe and the interior of the round block are provided with a confluence hole, and the two ends of the medicine guide pipe are communicated with the bottom of the jack and the inner side wall of the confluence hole.

[0010] Preferably, the bottom of the rotating block is rotatably connected with the top of the moving block, the interior of the moving block is rotatably connected with a rotating rod, and the bottom of the rotating rod and the interior of the moving block are fixedly connected with first magnetic blocks.

[0011] Preferably, the outer side wall of the moving block is provided with a plurality of grooves, the pushing blocks are located in the interior of the grooves, the stop rod is fixedly connected with the outer side wall of the rotating block, and the bottom of the connecting rod and the inner lower surface of the sliding groove are fixedly connected with second magnetic blocks.

[0012] Beneficial effects

[0013] The utility model provides a kind of multi-channel syringe.Compared with prior art, it has the following beneficial effects:

[0014] 1, the multi-channel syringe, by setting injection head, when needing medicine to be injected alone, press clamp, clamp can be with medicine guide pipe is clamped and throttles, so it can control the injection of the medicine water in the medicine groove, prevent other medicine water from entering the interior of the confluence hole when injecting medicine.

[0015] 2, the multi-channel syringe, by setting pushing mechanism, rotating rotating block, when stop rod is located above pushing block, push moving block, moving block is moved with rotating block and stop rod, stop rod pushes pushing block, push rod and piston to move, so it can make the medicine water in all medicine grooves be injected simultaneously, when needing to be injected alone, rotating rotating block again to make stop rod move out of the top of pushing block, push moving block, moving block and connecting rod move, so that two second magnetic blocks are attracted, then push pushing block to be injected alone. ACCURACY OF DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model;

[0017] Figure 2 It is the cross section structure schematic view of injection cylinder and push mechanism in the utility model;

[0018] Figure 3 It is the structure schematic view of A place in the utility model Figure 2

[0019] Figure 4 It is the structure schematic view of injection head in the utility model;

[0020] Figure 5 It is the structure schematic view of injection head in the utility model;

[0021] Figure 6 It is the cross section structure schematic view of the upper circle block in the utility model;

[0022] Figure 7 It is the cross section structure schematic view of the front circle block in the utility model.

[0023] In the drawing: 1, needle; 2, clamp; 3, injection head; 4, injection cylinder; 5, piston; 6, connecting rod; 7, push rod; 8, push mechanism; 9, push block; 10, stop rod; 11, rotating block; 12, connecting head; 13, second magnetic block; 14, medicine groove; 15, sliding groove; 16, recess; 17, circle block; 18, insertion hole; 19, moving block; 20, insertion tube; 21, rotating rod; 22, first magnetic block; 23, rectangular groove; 24, convergence hole; 25, medicine guide tube. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with 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 the ordinary skill in the art without creative labor are within the protection scope of the utility model.

[0025] Please refer to Figures 1-7 ​The utility model provides a technical scheme: a kind of multi-channel syringe, including injection cylinder 4, the inside of injection cylinder 4 integrally has multiple medicine tank 14, the bottom of injection cylinder 4 integrally has multiple connecting head 12, connecting head 12 below is equipped with injection head 3, injection head 3 includes round block 17, multiple medicine guide pipe 25, multiple clamps 2, cannula 20 and needle 1, the inside of medicine tank 14 is equipped with piston 5, the top of piston 5 is fixed with push rod 7, the top of push rod 7 is fixed with push block 9, the inner side wall of multiple push block 9 is equipped with driving mechanism 8, the top of round block 17 is equipped with insertion hole 18, medicine guide pipe 25 is located inside round block 17, the inside of medicine guide pipe 25 and round block 17, the inside of round block 17 is equipped with confluence hole 24, the two ends of medicine guide pipe 25 are connected with the bottom of insertion hole 18 and the inner side wall of confluence hole 24 respectively, the inside of round block 17 is equipped with multiple rectangular grooves 23, clamp 2 is located inside rectangular groove 23, clamp 2 and rectangular groove 23 are slidably connected, cannula 20 and round block 17 are integrally formed, needle 1 is inserted in the outside of cannula 20, connecting head 12 and insertion hole 18 are inserted, the medicine in the inside of medicine tank 14 can be controlled to be injected by injection head 3, prevent other medicines from entering the inside of confluence hole 24 when injecting medicine.

[0026] Further, driving mechanism 8 includes moving block 19, rotating block 11, stop lever 10 and connecting rod 6, the top of injection cylinder 4 is equipped with sliding slot 15, the inner side wall of sliding slot 15 and the outer side wall of connecting rod 6 are slidably connected, the top of connecting rod 6 and the bottom of moving block 19 are fixedly connected, the bottom of rotating block 11 and the top of moving block 19 are rotatably connected, rotating rod 21 is rotatably connected in the inside of moving block 19, the bottom of rotating rod 21 and the inside of moving block 19 are fixedly connected with first magnetic block 22, the outer side wall of moving block 19 is equipped with multiple grooves 16, push block 9 is located in the inside of groove 16, stop lever 10 and the outer side wall of rotating block 11 are fixedly connected, the bottom of connecting rod 6 and the inside lower surface of sliding slot 15 are fixedly connected with second magnetic block 13, the functions of moving multiple push block 9 and separately pushing push block 9 are combined by driving mechanism 8, and the functions are various.

[0027] When needing to inject medicine separately, clamp 2 is pressed, and clamp 2 can clamp medicine guide pipe 25 to throttle, so that the medicine in the inside of medicine tank 14 can be controlled to be injected, and other medicines are prevented from entering the inside of confluence hole 24 when injecting medicine, rotating block 11 is rotated, stop lever 10 is located above push block 9, moving block 19 is pushed, moving block 19 moves with rotating block 11 and stop lever 10, stop lever 10 pushes push block 9, push rod 7 and piston 5 to move, so that the medicine in the inside of all medicine tanks 14 can be injected simultaneously, when needing to inject separately, rotating block 11 is rotated again to move stop lever 10 out of the above of push block 9, moving block 19 is pushed, moving block 19 and connecting rod 6 move to attract two second magnetic blocks 13, and then push block 9 is pushed separately to inject.

[0028] Meanwhile, the contents not described in detail in the present specification are all the prior art known to those skilled in the art.

[0029] It should be noted that, in the present text, relational terms such as first and second and the like can merely be used to distinguish one entity or action from another, and do not necessarily require or imply that any such actual relationship or order exists or is intended between the entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without more limitations, the statement "comprises... limited elements" does not exclude the presence of additional identical elements in the process, method, article, or apparatus that includes the stated elements.

[0030] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A multi-channel syringe, comprising a syringe barrel (4), characterized in that: The syringe (4) has multiple drug reservoirs (14) integrally formed inside. The bottom of the syringe (4) has multiple connectors (12) integrally formed. An injection head (3) is provided below the connector (12). The injection head (3) includes a round block (17), multiple drug guide tubes (25), multiple clips (2), a cannula (20), and a needle (1). A piston (5) is provided inside the drug reservoir (14). A push rod (7) is fixed to the top of the piston (5). A push block (9) is fixed to the top of the push rod (7). A pushing mechanism (8) is provided on the inner side wall of the multiple push blocks (9).

2. A multi-channel syringe according to claim 1, characterized in that: The top of the circular block (17) is provided with an insertion hole (18), and the drug delivery tube (25) is located inside the circular block (17). The drug delivery tube (25) and the circular block (17) are connected. The circular block (17) is provided with a manifold (24). The two ends of the drug delivery tube (25) are respectively connected to the bottom of the insertion hole (18) and the inner wall of the manifold (24).

3. A multi-channel syringe according to claim 2, characterized in that: The circular block (17) has multiple rectangular slots (23) inside. The clip (2) is located inside the rectangular slot (23). The clip (2) and the rectangular slot (23) are slidably connected. The insertion tube (20) and the circular block (17) are integrally formed. The needle (1) is inserted into the outside of the insertion tube (20). The connector (12) is inserted into the insertion hole (18).

4. A multi-channel syringe according to claim 3, characterized in that: The pushing mechanism (8) includes a moving block (19), a rotating block (11), a stop bar (10), and a connecting rod (6). The top of the injection cylinder (4) is provided with a sliding groove (15). The inner side wall of the sliding groove (15) and the outer side wall of the connecting rod (6) are slidably connected. The top of the connecting rod (6) and the bottom of the moving block (19) are fixedly connected.

5. A multi-channel syringe according to claim 4, characterized in that: The bottom of the rotating block (11) and the top of the moving block (19) are rotatably connected. A rotating rod (21) is rotatably connected inside the moving block (19). A first magnetic block (22) is fixed at the bottom of the rotating rod (21) and inside the moving block (19).

6. A multi-channel syringe according to claim 5, characterized in that: The outer wall of the movable block (19) is provided with a plurality of grooves (16), the push block (9) is located inside the groove (16), the outer wall of the stop rod (10) and the rotating block (11) are fixedly connected, and the bottom of the connecting rod (6) and the inner lower surface of the slide groove (15) are both fixed with a second magnetic block (13).

Citation Information

Patent Citations

  • Multi-channel injector

    CN217854074U