CN211096694U - Syringe with filtering capability - Google Patents
Syringe with filtering capability Download PDFInfo
- Publication number
- CN211096694U CN211096694U CN201921107943.9U CN201921107943U CN211096694U CN 211096694 U CN211096694 U CN 211096694U CN 201921107943 U CN201921107943 U CN 201921107943U CN 211096694 U CN211096694 U CN 211096694U
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- China
- Prior art keywords
- injection tube
- push rod
- nipple
- locking block
- liquid medicine
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a syringe with filtering capability, including injection tube, syringe push rod, nipple and filter equipment, the syringe push rod sets up in the injection tube, and the nipple setting is anterior at the injection tube, and filter equipment sets up between injection tube and nipple, the utility model discloses simple structure, convenient operation, the filter screen can effectively filter the impurity in the liquid medicine, and the liquid medicine leaks outward in no insoluble particle and the injection process in guaranteeing the liquid medicine, and safe in utilization improves medical personnel work efficiency, can avoid granule entering human in the injection liquid, guarantees to use medicine safety, prevents that the granule from blockking up heart brain or pulmonary blood vessel, improves the security to the human body.
Description
Technical Field
The utility model relates to a medical appliance, in particular to an injector with a filtering function.
Background
In the field of medical care, a syringe is the most common medical appliance, the syringe is required to be used for intravenous injection, intramuscular injection, intracardiac injection, acupoint injection and the like, a particle-prevention filtering type syringe is not available in clinical work so far, particles in liquid medicine or a bottle plug cover pricked out can be pumped into the syringe and injected into a human body in the injection process, particularly insoluble particles such as rubber plug particles and the like can be generated when a syringe needle is pricked into a bottle cover, the particles can block lung or heart and brain blood vessels or form package at the blocked part to form granuloma when entering the human body as foreign matters, long-term potential irreversible damage to the human body is caused, health and even life risks are caused, particle pollution is one of important problems facing current clinical administration, the current searched patent of the particle-prevention filtering type syringe is 201710869814.2, the filtering device is arranged at a nipple of the syringe, on one hand, the problem that the structure is complicated on the one hand, the problem that the liquid medicine is increased due to liquid medicine waste due to lengthening of the liquid medicine increase, the liquid medicine waste due to tiny nipple position, the manufacturing authorization is relatively high, the problem that a novel practical and the syringe is placed at a needle-prevention filtering device is inconvenient when the syringe is placed at the nipple position, the syringe, the needle is changed once, the leakage-prevention filtering cost is very easily caused by the problem that the leakage is caused by the leakage, the leakage of the leakage prevention and the leakage of the leakage prevention syringe needle, the leakage prevention syringe, the leakage caused by the difficulty of the increase.
Disclosure of Invention
The utility model discloses a solve above-mentioned existing syringe and have no filter equipment, the insoluble particle in the liquid medicine can't be filtered, these particles can get into the human body at the injection in-process and can not be metabolized, can block up heart brain or pulmonary blood vessel or form the parcel at the local of blocking and be called granuloma, influence healthy or cause life danger, the technology is complicated simultaneously, the cost is high, difficult realization, injection in-process have the liquid medicine to leak the scheduling problem outward, and provide a syringe with filtering capability.
An injector with a filtering function comprises an injection tube, an injector push rod, a nipple and a filtering device, wherein the injector push rod is arranged in the injection tube, the nipple is arranged at the front part of the injection tube, and the filtering device is arranged between the injection tube and the nipple;
the front part of the injection tube is provided with a slide block mounting groove, a locking block mounting groove and a spring mounting hole;
the filter device comprises a push rod, a slide block, a filter screen, a spring, a lock block rotating shaft, a reset push rod and a spring piece, wherein the push rod is arranged on the slide block;
the sliding block is provided with a first through hole, a second through hole and a locking block clamping groove;
the filter screen is arranged in the second through hole;
the locking block is matched with the locking block clamping groove for use;
the utility model discloses a theory of operation and process:
when the liquid medicine is extracted, the slide block state is shown in figure 2, at the moment, the slide block is in an initial state, the first through hole is communicated with the nipple and the injection tube, the push rod of the injector is pulled, the liquid medicine enters the injection tube through the nipple and the first through hole, after the liquid medicine is extracted, the push rod is pressed, the slide block is driven to move by the push rod, the spring is compressed, the lock block is clamped into the clamp groove of the lock block when moving to a certain position, the position of the slide block is fixed, at the moment, the second through hole is communicated with the nipple and the injection tube, the slide block state is shown in figure 4, the push rod of the injector is pushed, the liquid medicine is discharged out of the injection tube through the injection tube, the second through hole and the nipple, in the process, the filter screen arranged in the second through hole filters the liquid medicine discharged out of the injection tube, insoluble particles are remained in the injection tube, if the, the locking piece breaks away from in the locking piece draw-in groove, and the slider resumes to initial position under the effect of spring, loosens the push rod that resets, and the initial position is resumed under the spring leaf effect to the locking piece, and first through-hole and nipple and injection tube intercommunication this moment continue to carry out the extraction liquid medicine of second time.
When injecting the medicine, press the push rod, the push rod drives the slider motion, the spring is compressed, the locking piece card advances in the locking piece draw-in groove when moving a certain position, the slider position is fixed, second through-hole and nipple and injection tube intercommunication this moment, promote the injector push rod, the liquid medicine is through the injection tube, second through-hole and nipple discharge injection tube, at this in-process, the filter screen that sets up inside the second through-hole filters the liquid medicine of discharge injection tube, make insoluble particle stay inside the injection tube, prevent that insoluble particle from getting into the human body.
The utility model has the advantages that:
the utility model discloses simple structure, convenient operation, the filter screen can effectively filter the impurity in the liquid medicine, and no insoluble particle and injection in-process liquid medicine leak outward in the assurance liquid medicine, and is safe in utilization, improves medical personnel work efficiency, can avoid the interior granule of injection liquid to get into the human body, guarantees to use medicine safety, prevents that the granule from blockking up heart brain or pulmonary blood vessel, improves the security to the human body.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a schematic view of the state of the slider when the liquid medicine is extracted.
Fig. 3 is an enlarged schematic view of the present invention at a in fig. 2.
Fig. 4 is a schematic view of the state of the slider during injection of the liquid medicine according to the present invention.
Fig. 5 is an enlarged schematic view of the present invention at B in fig. 4.
Detailed Description
Referring to fig. 1, 2, 3, 4 and 5, an injector with a filtering function includes an injection tube 1, an injector push rod 2, a nipple 3 and a filtering device 4, wherein the injector push rod 2 is arranged in the injection tube 1, the nipple 3 is arranged at the front of the injection tube 1, and the filtering device 4 is arranged between the injection tube 1 and the nipple 3;
the front part of the injection tube 1 is provided with a slide block mounting groove 11, a locking block mounting groove 12 and a spring mounting hole 13;
the filtering device 4 comprises a push rod 41, a slide block 42, a filter screen 43, a spring 44, a lock block 45, a lock block rotating shaft 46, a reset push rod 47 and a spring leaf 48, wherein the push rod 41 is arranged on the slide block 42, the slide block 42 is arranged in the slide block mounting groove 11, the filter screen 43 is arranged on the slide block 42, one end of the spring 44 is arranged on the slide block 42, the other end of the spring is arranged in the spring mounting hole 13, the lock block 45 is arranged in the lock block mounting groove 12 through the lock block rotating shaft 46, the lock block 45 can rotate around the lock block rotating shaft 46, the reset push rod 47 is arranged at the tail end of the lock block 45, the lock block 45 can rotate anticlockwise around the lock block rotating shaft 46 by pressing the reset push rod 47, one end of the spring leaf 48 is arranged at the;
the sliding block 42 is provided with a first through hole 421, a second through hole 422 and a locking block clamping groove 423;
the filter screen 43 is arranged in the second through hole 422;
the locking block 45 is matched with the locking block clamping groove 423;
the utility model discloses a theory of operation and process:
please refer to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5: when the liquid medicine is extracted, the state of the slide block 42 is shown in figure 2, at the moment, the slide block 42 is in an initial state, the first through hole 421 is communicated with the nipple 3 and the injection tube 1, the push rod 2 of the injector is pulled, the liquid medicine enters the injection tube 1 through the nipple 3 and the first through hole 421, after the liquid medicine is extracted, the push rod 41 is pressed, the slide block 42 is driven by the push rod 41 to move, the spring 44 is compressed, the locking block 45 is clamped into the locking block clamping groove 423 when the slide block 2 moves to a certain position, the position of the slide block 42 is fixed, the second through hole 422 is communicated with the nipple 3 and the injection tube 1, the state of the slide block 42 is shown in figure 4, the push rod 2 of the injector is pushed, the liquid medicine is discharged out of the injection tube 1 through the injection tube 1, the second through hole 422 and the nipple 3, in the process, the liquid medicine discharged out of the injection tube, the reset push rod 47 is pressed, the spring piece 48 is compressed, the locking block 46 rotates anticlockwise around the locking block rotating shaft 46 under the action of the reset push rod 47, the locking block 46 is separated from the locking block clamping groove 423, the sliding block 42 is restored to the initial position under the action of the spring 44, the reset push rod 47 is released, the locking block 46 is restored to the initial position under the action of the spring piece 48, at the moment, the first through hole 421 is communicated with the nipple 3 and the injection tube 1, and the liquid medicine is continuously extracted for the second time.
When injecting medicine, press push rod 41, push rod 41 drives slider 42 motion, spring 44 is compressed, locking piece 45 card advances in locking piece draw-in groove 423 when moving a certain position, the slider position is fixed, second through-hole 422 communicates with nipple 3 and injection tube 1 this moment, promote syringe push rod 2, the liquid medicine is through injection tube 1, second through- hole 422 and 3 discharge injection tube 1 of nipple, in this process, the filter screen 43 that sets up inside the second through-hole 422 filters the liquid medicine of discharge injection tube 1, make insoluble particle stay inside injection tube 1, prevent that insoluble particle from getting into the human body.
Claims (1)
1. A syringe with filtering capability, its characterized in that: comprises an injection tube (1), an injector push rod (2), a nipple (3) and a filtering device (4), wherein the injector push rod (2) is arranged in the injection tube (1), the nipple (3) is arranged at the front part of the injection tube (1), and the filtering device (4) is arranged between the injection tube (1) and the nipple (3);
the front part of the injection tube (1) is provided with a slide block mounting groove (11), a locking block mounting groove (12) and a spring mounting hole (13);
the filtering device (4) comprises a push rod (41), a sliding block (42), a filter screen (43), a spring (44), a locking block (45), a locking block rotating shaft (46), a reset push rod (47) and a spring leaf (48), wherein the push rod (41) is arranged on the sliding block (42), the sliding block (42) is arranged in a sliding block mounting groove (11), the filter screen (43) is arranged on the sliding block (42), one end of the spring (44) is arranged on the sliding block (42), the other end of the spring (44) is arranged in a spring mounting hole (13), the locking block (45) is arranged in a locking block mounting groove (12) through the locking block rotating shaft (46), the locking block (45) can rotate around the locking block rotating shaft (46), the reset push rod (47) is arranged at the tail end of the locking block (45), the locking block (45) can rotate around the locking block rotating shaft (46) anticlockwise by pressing the reset push rod (47), one end of the spring leaf (48) is arranged, the other end is arranged on the side wall of the locking block mounting groove (12);
the sliding block (42) is provided with a first through hole (421), a second through hole (422) and a locking block clamping groove (423);
the filter screen (43) is arranged in the second through hole (422);
the locking block (45) is matched with the locking block clamping groove (423) for use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921107943.9U CN211096694U (en) | 2019-07-16 | 2019-07-16 | Syringe with filtering capability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921107943.9U CN211096694U (en) | 2019-07-16 | 2019-07-16 | Syringe with filtering capability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211096694U true CN211096694U (en) | 2020-07-28 |
Family
ID=71718826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921107943.9U Active CN211096694U (en) | 2019-07-16 | 2019-07-16 | Syringe with filtering capability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211096694U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110215569A (en) * | 2019-07-16 | 2019-09-10 | 吉林大学 | A kind of syringe with filtering function |
-
2019
- 2019-07-16 CN CN201921107943.9U patent/CN211096694U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110215569A (en) * | 2019-07-16 | 2019-09-10 | 吉林大学 | A kind of syringe with filtering function |
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