Disposable medicine storage syringe
By designing a disposable storage syringe and using built-in piston and return spring technology, the problems of traditional syringe complex operation and susceptibility to contamination are solved, and rapid mixing and grading storage are achieved, simplifying operation and improving efficiency.
Patent Information
- Application Number
- CN202420326468.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-21
- Publication Date
- 2025-04-01
- Estimated Expiration
- 2034-02-21
AI Technical Summary
Traditional syringes are complicated to operate, nurses work a lot, and the medicine needs to be transferred multiple times, making them susceptible to contamination.
A disposable drug storage syringe is designed, including an injection needle tube, an injection needle core and a hierarchical storage chamber. Through the design of a built-in piston and return spring, rapid mixing and hierarchical storage of the drug liquid can be achieved.
The injection operation is simplified, the nurse's labor volume is reduced, the multiple transfers and contamination of the medicine liquid are avoided, and the work efficiency and the usability of the equipment is improved.
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Figure CN222693834U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of syringes, and more specifically to a disposable medicine storage syringe. Background Art
[0002] The syringe is a common medical device. As early as the 15th century, the Italian Catinel proposed the principle of the syringe, which mainly used a needle to extract or inject gas or liquid.
[0003] During the traditional injection operation, the solvent (i.e. water for injection) must first be drawn out with a syringe, and then the syringe needle must be inserted into the solute bottle (powder injection or water injection), and then the solvent and solute are pushed out to mix and dissolve, and finally the mixed liquid medicine is drawn out into the syringe before it can be injected into the human body or the medicine is added to the infusion bottle. This operation method is complicated, the nurses have a large workload, and the liquid medicine must be transferred several times, which is easy to be contaminated. Utility Model Content
[0004] In order to overcome the above-mentioned defects of the prior art, the embodiments of the present utility model provide a disposable medicine storage syringe to solve the problems that the existing operation method is complicated, the workload of nurses is large, the medicine liquid needs to be transferred several times, and it is easy to be contaminated.
[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a disposable medicine storage syringe, comprising an injection needle tube, an injection needle core is movably installed inside the injection needle tube, an internal injection component is movably installed inside the injection needle core, and graded storage bins are fixedly installed on both sides of the lower end of the injection needle tube.
[0006] Among them, the injection needle core includes a needle core tube, a pressing block is fixedly installed on the side of the needle core tube, a movable groove is opened inside one end of the needle core tube, a solvent bin is opened at the other end of the needle core tube, and a first rubber piston is fixedly installed on the other side of the needle core tube.
[0007] Among them, the internal injection component includes a support rod, a second rubber piston is fixedly installed on one end of the support rod, a connecting rod is fixedly installed on the side of the second rubber piston, a push block is fixedly installed on the side of the connecting rod, a return spring is movably sleeved on the outer surface of the connecting rod, and a conical head is fixedly installed on the other end of the support rod, and a guide groove is provided on the outer surface of the conical head.
[0008] Wherein, the pushing block is movably installed inside the connecting rod, the other end of the reset spring is fixedly installed on the side of the movable groove, the connecting rod is movably installed at one end of the needle core tube, and the second rubber piston is movably installed inside the solvent bin.
[0009] The injection needle tube comprises a needle tube barrel, support blocks are fixedly installed on both sides of one end of the needle tube barrel, an injection needle is fixedly installed on the other end of the needle tube barrel, and the needle tube barrel is movably sleeved on the outer surface of the first rubber piston.
[0010] Wherein, the graded storage bin comprises a rubber bin, which is fixedly mounted on both sides of one end of the syringe barrel, a sealing tin foil is fixedly mounted on the side of the rubber bin, and a piercing rod is fixedly mounted on one side inside the rubber bin.
[0011] Technical effects and advantages of the utility model:
[0012] In the above scheme, the second rubber piston and the support rod are arranged to move inside the needle core tube, and then the conical head pierces the first rubber piston, so that the second rubber piston pushes the solvent to move, and moves to the inside of the syringe barrel through the guide groove, and mixes with the inside of the syringe barrel. By shaking the injection needle, the internal solution is fully mixed, and the medicine can be quickly prepared and injected, saving time and simplifying the process. At the same time, it is avoided that the medicine is not in contact with the outside world during the process of preparing and sucking the medicine solution, and pollution and waste caused by improper operation are avoided;
[0013] When multiple solvents are mixed, the rubber bin is pressed to deform, and the piercing rod pierces the sealing tin foil, so that the medicine inside the rubber bin flows into the syringe barrel through the sealing tin foil. Multiple medicines are stored in stages, thereby completing the mixing of multiple medicines, improving the usability of the device, simplifying the process, saving costs, and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0015] Figure 2 This is a schematic diagram of the injection needle core structure of the utility model;
[0016] Figure 3 This is a schematic diagram of the structure of the internal injection assembly of the utility model;
[0017] Figure 4 This is a schematic diagram of the injection needle structure of the utility model;
[0018] Figure 5 This is a schematic diagram of the structure of the graded storage bin of the utility model.
[0019] The accompanying drawings are marked as follows: 1. injection needle tube; 2. injection needle core; 3. internal injection assembly; 4. graded storage bin; 11. syringe barrel; 12. support block; 13. injection needle; 21. needle core tube; 22. pressing block; 23. movable groove; 24. solvent bin; 25. first rubber piston; 31. support rod; 32. second rubber piston; 33. connecting rod; 34. pushing block; 35. reset spring; 36. conical head; 37. guide groove; 41. rubber bin; 42. piercing rod; 43. sealing tin foil. DETAILED DESCRIPTION
[0020] In order to make the technical problems to be solved, technical solutions and advantages of the present invention more clear, a detailed description will be given below in conjunction with the accompanying drawings and specific embodiments.
[0021] As attached Figure 1 To Attachment Figure 5 An embodiment of the utility model provides a disposable medicine storage syringe, including an injection needle tube 1, an injection needle core 2 is movably installed inside the injection needle tube 1, an inner injection component 3 is movably installed inside the injection needle core 2, and graded storage bins 4 are fixedly installed on both sides of the lower end of the injection needle tube 1.
[0022] Among them, the injection needle core 2 includes a needle core tube 21, a pressing block 22 is fixedly installed on the side of the needle core tube 21, a movable groove 23 is opened inside one end of the needle core tube 21, and a solvent bin 24 is opened at the other end of the needle core tube 21. A first rubber piston 25 is fixedly installed on the other side of the needle core tube 21, and a movable groove 23 is set to limit the pushing block 34, so that when the pushing block 34 is pushed, the second rubber piston 32 completes the pushing inside the needle core tube 21.
[0023] Among them, the internal injection component 3 includes a support rod 31, one end of the support rod 31 is fixedly installed with a second rubber piston 32, the side of the second rubber piston 32 is fixedly installed with a connecting rod 33, the side of the connecting rod 33 is fixedly installed with a pushing block 34, the outer surface of the connecting rod 33 is movably sleeved with a return spring 35, and the other end of the support rod 31 is fixedly installed with a conical head 36, the outer surface of the conical head 36 is provided with a guide groove 37, and the guide groove 37 is provided so that the second rubber piston 32 pushes the solvent to one side of the needle core tube 21 when pushed, and at the same time the conical head 36 pierces the middle of the first rubber piston 25, and the solvent flows into the interior of the syringe barrel 11 through the guide groove 37, thereby mixing and dissolving the solute inside the syringe barrel 11.
[0024] Among them, the pushing block 34 is movably installed inside the connecting rod 33, the other end of the return spring 35 is fixedly installed on the side of the movable groove 23, the connecting rod 33 is movably installed at one end of the needle core tube 21, and the second rubber piston 32 is movably installed inside the solvent bin 24.
[0025] The injection needle tube 1 includes a syringe barrel 11 , support blocks 12 are fixedly installed on both sides of one end of the syringe barrel 11 , an injection needle 13 is fixedly installed on the other end of the syringe barrel 11 , and the syringe barrel 11 is movably sleeved on the outer surface of the first rubber piston 25 .
[0026] Among them, the graded storage bin 4 includes a rubber bin 41, which is fixedly installed on both sides of one end of the syringe barrel 11, and a sealing tin foil 43 is fixedly installed on the side of the rubber bin 41. A piercing rod 42 is fixedly installed on one side inside the rubber bin 41. The rubber bin 41 is arranged so that the material of the rubber bin 41 is rubber material. By pushing the side of the rubber bin 41, the piercing rod 42 passes through the sealing tin foil 43, pierces the sealing tin foil 43, and pushes the solvent inside the sealing tin foil 43 into the inside of the syringe barrel 11, thereby completing sufficient mixing.
[0027] The working process of the utility model is as follows:
[0028] Before use, the interior of the syringe barrel 11 contains the solute, the interior of the solvent bin 24 contains the solvent, and the interior of the rubber bins 41 at both ends can contain the second or third solution. When a single solvent is mixed with the solute, the push block 34 is first pushed to make the connecting rod 33 push the second rubber piston 32 and the support rod 31 to move inside the needle core tube 21. Then, the conical head 36 pierces the first rubber piston 25, so that the second rubber piston 32 pushes the solvent to move, and moves to the interior of the syringe barrel 11 through the guide groove 37, and mixes with the interior of the syringe barrel 11. Then, let go, and the conical head 36 moves to the interior of the needle core tube 21 through the action of the reset spring 35. By shaking the injection syringe 1, the internal solutions are fully mixed, and then the pressing block 22 is pushed to complete the injection.
[0029] When multiple solvents are mixed, the rubber chamber 41 is pressed to deform the rubber chamber 41, and the piercing rod 42 pierces the sealing tin foil 43, so that the medicine inside the rubber chamber 41 flows into the inside of the syringe barrel 11 through the sealing tin foil 43, thereby completing the mixing of multiple medicines.
[0030] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;
[0031] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;
[0032] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.
Claims
1. A disposable medicine storage syringe, comprising an injection needle tube (1), characterized in that: An injection needle core (2) is movably installed inside the injection needle tube (1), an inner injection assembly (3) is movably installed inside the injection needle core (2), and graded storage bins (4) are fixedly installed on both sides of the lower end of the injection needle tube (1).
2. The disposable medicine storage syringe according to claim 1, characterized in that: The injection needle core (2) comprises a needle core tube (21), a pressing block (22) is fixedly installed on the side of the needle core tube (21), a movable groove (23) is opened inside one end of the needle core tube (21), a solvent bin (24) is opened at the other end of the needle core tube (21), and a first rubber piston (25) is fixedly installed on the other side of the needle core tube (21).
3. The disposable medicine storage syringe according to claim 1, characterized in that: The inner injection assembly (3) comprises a support rod (31), a second rubber piston (32) is fixedly mounted on one end of the support rod (31), a connecting rod (33) is fixedly mounted on the side of the second rubber piston (32), a pushing block (34) is fixedly mounted on the side of the connecting rod (33), a return spring (35) is movably sleeved on the outer surface of the connecting rod (33), and a conical head (36) is fixedly mounted on the other end of the support rod (31), and a guide groove (37) is provided on the outer surface of the conical head (36).
4. The disposable medicine storage syringe according to claim 3, characterized in that: The pushing block (34) is movably mounted inside the connecting rod (33), the other end of the return spring (35) is fixedly mounted on the side of the movable groove (23), the connecting rod (33) is movably mounted on one end of the needle core tube (21), and the second rubber piston (32) is movably mounted inside the solvent bin (24).
5. The disposable medicine storage syringe according to claim 1, characterized in that: The injection needle tube (1) comprises a needle tube barrel (11), support blocks (12) are fixedly mounted on both sides of one end of the needle tube barrel (11), an injection needle (13) is fixedly mounted on the other end of the needle tube barrel (11), and the needle tube barrel (11) is movably sleeved on the outer surface of a first rubber piston (25).
6. The disposable medicine storage syringe according to claim 1, characterized in that: The graded storage bin (4) comprises a rubber bin (41) which is fixedly mounted on both sides of one end of the needle tube (11), a sealing tin foil (43) is fixedly mounted on the side of the rubber bin (41), and a piercing rod (42) is fixedly mounted on one side of the interior of the rubber bin (41).