CN211986550U - Leakage-proof device for liquid drawing of syringe - Google Patents
Leakage-proof device for liquid drawing of syringe Download PDFInfo
- Publication number
- CN211986550U CN211986550U CN202020180999.3U CN202020180999U CN211986550U CN 211986550 U CN211986550 U CN 211986550U CN 202020180999 U CN202020180999 U CN 202020180999U CN 211986550 U CN211986550 U CN 211986550U
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- liquid medicine
- syringe
- needle
- box
- sleeve pipe
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Abstract
The utility model discloses a leak protection device for syringe drawing liquid has seted up external screw thread (5) on the outer cylinder of tip under needle file (3), and needle file (3) axial setting is followed in external screw thread (5), and this leak protection device still includes that the liquid medicine collects box (6) and sleeve pipe (7), the internal thread has been seted up on the inner wall of sleeve pipe (7), and the internal thread of sleeve pipe (7) is connected with external screw thread (5) of needle file (3), the top that box (6) were collected to the liquid medicine is opened, and the bottom that box (6) were collected to the liquid medicine is sealed, and through-hole (8) have been seted up to the bottom that box (6) were collected to the liquid medicine, and the diameter of through-hole (8) equals with the diameter of sleeve pipe (7), and sleeve pipe (7) outside is located to through-hole (8) cover, and the inner. The utility model has the advantages that: compact structure, effective prevention of the liquid medicine drop from falling on the hand or the ground, environmental protection, sanitation and low manufacturing cost.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to a leakage-proof device for liquid pumping of an injector.
Background
When a doctor injects medicines (such as penicillin and the like) into a patient, the doctor takes an injection needle, connects a needle seat (3) of the injection needle to a needle tube (2) of an injector (1) in a threaded manner, then penetrates a puncture needle (4) of the injection needle through a bottle stopper (10) at an opening of a medicine bottle (9) from bottom to top, and finally pulls a piston rod of the injector (1) downwards to suck liquid medicine in the medicine bottle (9) into a cavity of the injector (1) as shown in figure 1. The reason for sucking the liquid medicine in the medicine bottle (9) in an inverted mode is that the length of the puncture needle (4) is smaller than the height of the medicine bottle (9), and if the puncture needle (4) penetrates through a bottle stopper (10) of the medicine bottle (9) from top to bottom, the puncture needle (4) cannot stretch into the bottom of the medicine bottle (9), and then part of the liquid medicine cannot be sucked into the injector (1), so that the inverted liquid medicine is adopted. However, the inverted drug-absorbing solution has the following disadvantages: when the puncture needle (4) penetrates through the bottle stopper (10), a gap is inevitably generated between the bottle stopper (10) and the puncture needle (4), liquid medicine in the medicine bottle (9) flows out from the gap, so that the liquid medicine which flows out falls on the hands or the ground of a doctor, wherein when the liquid medicine falls on the hands, the doctor needs to wipe the liquid medicine with dry cloth, which is very inconvenient; when the liquid medicine drops on the ground, the liquid medicine volatilizes to emit odor, and the air is polluted.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide a leak-proof device for pumping liquid of an injector, which has the advantages of compact structure, effective prevention of the liquid drops from falling on hands or on the ground, environmental protection, sanitation and low manufacturing cost.
The purpose of the utility model is realized through the following technical scheme: the utility model provides a leak protection device for syringe drawing liquid, it includes the syringe, be connected with the needle file on the needle tubing of syringe, be provided with the pjncture needle on the needle file, the external screw thread has been seted up on the outer cylinder of tip under the needle file, and the external screw thread sets up along the needle file axial, and box and sleeve pipe are collected to this leak protection device still including the liquid medicine, the internal thread has been seted up on the sheathed tube inner wall, the external screw thread connection of sheathed tube internal thread and needle file, the top that the box was collected to the liquid medicine is open, and the bottom that the box was collected to the liquid medicine is sealed, and the through-hole has been seted up to the bottom that the box was collected to the liquid.
The through hole is arranged in the middle of the liquid medicine collecting box
The liquid medicine collecting box is a transparent plastic shell.
The liquid medicine collecting box is round or rectangular.
The sleeve, the liquid medicine collecting box and the needle seat are coaxially arranged.
The sleeve is a plastic piece.
The top surface of the liquid medicine collecting box is positioned below the puncture needle tip, and the outer diameter of the liquid medicine collecting box is larger than that of the medicine bottle.
The utility model has the advantages of it is following: the utility model discloses inhale the liquid medicine in-process, because the liquid medicine is collected the box and is located the bottle plug under, and the top that the box was collected to the liquid medicine is equipped with the opening, directly fall into the liquid medicine from the liquid medicine that the clearance between pjncture needle and the bottle plug flows and collect in the box to the liquid medicine that has effectively avoided spilling directly falls on doctor's hand or subaerial, thereby very big has made things convenient for doctor's operation, has guaranteed simultaneously that ground is clean.
Drawings
FIG. 1 is a schematic view of a conventional syringe for drawing a liquid medicine
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is an enlarged view of a portion I of FIG. 2;
3 FIG. 3 4 3 is 3 a 3 cross 3- 3 sectional 3 view 3 A 3- 3 A 3 of 3 FIG. 3 3 3; 3
FIG. 5 is a schematic view of the present invention;
in the figure, 1-injector, 2-needle tube, 3-needle seat, 4-puncture needle, 5-external thread, 6-liquid medicine collecting box, 7-sleeve, 8-through hole, 9-medicine bottle and 10-bottle stopper.
Detailed Description
The invention will be further described with reference to the accompanying drawings, without limiting the scope of the invention to the following:
as shown in fig. 2 to 4, a leakage-proof device for liquid drawing of an injector comprises an injector 1, a needle base 3 is connected to a needle tube 2 of the injector 1, a puncture needle 4 is arranged on the needle base 3, an external thread 5 is arranged on an outer cylindrical surface of a lower end portion of the needle base 3, the external thread 5 is arranged along an axial direction of the needle base 3, the leakage-proof device further comprises a liquid medicine collecting box 6 and a sleeve 7, the sleeve 7 is a plastic piece, an internal thread is arranged on an inner wall of the sleeve 7, the internal thread of the sleeve 7 is connected with the external thread 5 of the needle base 3, the top of the liquid medicine collecting box 6 is open, the bottom of the liquid medicine collecting box 6 is closed, a through hole 8 is arranged at the bottom of the liquid medicine collecting box 6, the through hole 8 is arranged at the middle portion of the liquid medicine collecting box 6, the diameter of the through hole 8 is equal, the top surface of the liquid medicine collecting box 6 is positioned below the sharp head of the puncture needle 4, and the outer diameter of the liquid medicine collecting box 6 is larger than that of the medicine bottle.
The liquid medicine collecting box 6 is a transparent plastic shell, the liquid medicine collecting box 6 is round or rectangular, and the liquid medicine collecting box 6 is round in the embodiment. The cannula 7, the liquid medicine collecting box 6 and the needle stand 3 are coaxially arranged.
The working process of the utility model is as follows: before a doctor injects medicine into a patient, the doctor takes an injection needle, and a needle seat 3 of the injection needle is connected to a needle tube 2 of an injector 1 in a threaded manner; the doctor threadedly connects the internal thread of the sleeve 7 with the external thread of the needle holder 3 to mount the medical fluid collection cassette 6 to the syringe 1 as shown in fig. 2; the doctor passes the puncture needle 4 of the injection needle through the bottle stopper 10 at the opening of the medicine bottle 9 from bottom to top, and finally pulls the piston rod of the syringe 1 downwards to suck the medicine liquid in the medicine bottle 9 into the cavity of the syringe 1 as shown in fig. 5. Wherein at inhaling the liquid medicine in-process, because the liquid medicine is collected box 6 and is located bottle plug 10 under, and the top that the box 6 was collected to the liquid medicine is equipped with the opening, and the liquid medicine that flows in the clearance between pjncture needle 4 and bottle plug 10 directly falls into the liquid medicine and collects box 6 in to the liquid medicine that has effectively avoided spilling directly falls on doctor's hand or subaerial, thereby very big has made things convenient for doctor's operation, has guaranteed simultaneously that ground is clean. When observing that a large amount of liquid medicines are collected in the liquid medicine collecting box 6, a doctor only needs to dump the liquid medicines in the liquid medicine collecting box 6 first, and then the liquid medicine can be continuously used.
The foregoing is illustrative of the preferred embodiments of the present invention, and it is to be understood that the invention is not limited to the precise forms disclosed herein, and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the invention as defined by the appended claims. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.
Claims (7)
1. The utility model provides a syringe is leak protection device for drawing liquid, it includes syringe (1), be connected with needle file (3) on needle tubing (2) of syringe (1), be provided with pjncture needle (4), its characterized in that on needle file (3): external screw thread (5) have been seted up on the outer cylinder of tip under needle file (3), and external screw thread (5) set up along needle file (3) axial, and this leak protection device still includes the liquid medicine and collects box (6) and sleeve pipe (7), the internal thread has been seted up on the inner wall of sleeve pipe (7), and the internal thread of sleeve pipe (7) is connected with external screw thread (5) of needle file (3), the top that box (6) were collected to the liquid medicine is open, and the bottom that box (6) were collected to the liquid medicine is sealed, and through-hole (8) have been seted up to the bottom that box (6) were collected to the liquid medicine, and the diameter of through-hole (8) equals with the diameter of sleeve pipe (7), and sleeve pipe (7) outside are located to through-hole (8) cover, and.
2. The leakage preventing device for syringe drawing according to claim 1, wherein: the through hole (8) is arranged in the middle of the liquid medicine collecting box (6).
3. The leakage preventing device for syringe drawing according to claim 1, wherein: the liquid medicine collecting box (6) is a transparent plastic shell.
4. The leakage preventing device for syringe drawing according to claim 2, wherein: the liquid medicine collecting box (6) is round or rectangular.
5. The leakage preventing device for syringe drawing according to claim 1, wherein: the sleeve (7), the liquid medicine collecting box (6) and the needle stand (3) are coaxially arranged.
6. The leakage preventing device for syringe drawing according to claim 1, wherein: the sleeve (7) is a plastic piece.
7. The leakage preventing device for syringe drawing according to claim 1, wherein: the top surface of the liquid medicine collecting box (6) is positioned below the sharp head of the puncture needle (4), and the outer diameter of the liquid medicine collecting box (6) is larger than that of the medicine bottle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020180999.3U CN211986550U (en) | 2020-02-18 | 2020-02-18 | Leakage-proof device for liquid drawing of syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020180999.3U CN211986550U (en) | 2020-02-18 | 2020-02-18 | Leakage-proof device for liquid drawing of syringe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211986550U true CN211986550U (en) | 2020-11-24 |
Family
ID=73420523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020180999.3U Active CN211986550U (en) | 2020-02-18 | 2020-02-18 | Leakage-proof device for liquid drawing of syringe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211986550U (en) |
-
2020
- 2020-02-18 CN CN202020180999.3U patent/CN211986550U/en active Active
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