CN215915990U - High viscosity liquid medicine needle tube type filter - Google Patents
High viscosity liquid medicine needle tube type filter Download PDFInfo
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- CN215915990U CN215915990U CN202122120926.2U CN202122120926U CN215915990U CN 215915990 U CN215915990 U CN 215915990U CN 202122120926 U CN202122120926 U CN 202122120926U CN 215915990 U CN215915990 U CN 215915990U
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- cover plate
- upper cover
- connecting seat
- liquid medicine
- needle tube
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Abstract
The utility model discloses a high-viscosity liquid medicine needle tube type filter which comprises an upper cover plate, a lower cover plate, filter paper and an annular connecting seat, wherein the upper cover plate and the lower cover plate are oppositely arranged on an inner ring of the annular connecting seat, an inner cavity for containing the filter paper is formed between the upper cover plate and the lower cover plate, the upper cover plate is detachably connected with the annular connecting seat, the lower cover plate and the annular connecting seat are integrally formed, an injection tube connector and a needle tube connector which are communicated with the inner cavity are respectively arranged at the centers of the upper cover plate and the lower cover plate, and the injection tube connector and the needle tube connector are respectively matched with an injection tube and a needle tube. The high-viscosity liquid medicine filtering device has the characteristics of simple structure, convenience in operation, lower cost and the like, can be matched with the injector to realize effective filtering of high-viscosity liquid medicine, fully avoids impurities from being injected into a human body along with the liquid medicine, can be repeatedly used only by replacing filter paper after cleaning, and effectively reduces the use cost.
Description
Technical Field
The utility model relates to a high-viscosity liquid medicine needle tube type filter, and belongs to the technical field of medical equipment.
Background
The injection and infusion with a syringe (referred to as a needle tube) are common medical methods and means. The needle tube injection is to draw the liquid medicine from the liquid medicine bottle by the needle tube, then directly insert the needle into the intramuscular tissue or the blood vessel of the human body and then inject the liquid medicine into the human body. In the infusion, various liquid medicines and medicinal powder are mixed and then put into an infusion bottle to form a large amount of mixed liquid medicine, and then the mixed liquid medicine is slowly infused into the human body by using a needle tube. Before infusion, a specific mixed liquid medicine is prepared, and the preparation of the mixed liquid medicine is generally finished by using a syringe.
There is a possibility that impurities may be present in the liquid medicine during injection from the needle tube, or glass dust or other debris generated when a glass bottle containing the liquid medicine is knocked open; in the process of mixing the drug solution with the powder and then infusing the mixture, there is a possibility that a powdery substance formed by insufficient dissolution of the powder may exist in the mixed drug solution. If the impurities, glass powder, powdery substances or other scraps are injected into the human body along with the liquid medicine, the discomfort of the patient can be caused, and even the life of the human body can be harmed in serious cases, thereby causing medical safety accidents. In order to prevent the above situations, a needle tube type filter for high viscosity liquid medicine, which has a simple structure, low cost and can be reused, needs to be designed.
Disclosure of Invention
The purpose of the utility model is as follows: aiming at the problems of complex structure, high cost, incapability of recycling and the like of the traditional liquid medicine filter, the utility model provides the high-viscosity liquid medicine needle tube type filter which can be matched with an injector to realize effective filtration of high-viscosity liquid medicine, fully avoids impurities from being injected into a human body along with the liquid medicine, and has the characteristics of simple structure, low cost, reusability and the like.
The technical scheme is as follows: in order to achieve the purpose, the utility model provides a high-viscosity liquid medicine needle tube type filter, which comprises an upper cover plate, a lower cover plate, filter paper and an annular connecting seat, wherein the upper cover plate and the lower cover plate are oppositely arranged on an inner ring of the annular connecting seat, an inner cavity for containing the filter paper is formed between the upper cover plate and the lower cover plate, the upper cover plate is detachably connected with the annular connecting seat, the lower cover plate and the annular connecting seat are integrally formed, the centers of the upper cover plate and the lower cover plate are respectively provided with an injection tube connector and a needle tube connector which are communicated with the inner cavity, and the injection tube connector and the needle tube connector are respectively matched with an injection tube and a needle tube.
Further, the inner circle of annular connecting seat is equipped with the sealing ring, the lateral wall and the sealing ring joint cooperation of upper cover plate improve the leakproofness of being connected between upper cover plate and the annular connecting seat from this to guarantee filter repeatedly usable.
Furthermore, the inner side of the upper cover plate is provided with filter paper blocking pieces which extend along the radial direction and are uniformly distributed on the circumference, the filter paper blocking pieces are designed to play a role of blocking filter paper so as to limit the moving range of the filter paper in the cavity, the structural strength of the upper cover plate can be improved, and the possibility of liquid leakage caused by deformation of the upper cover plate is fully reduced.
Furthermore, the lower cover plate is integrally funnel-shaped, so that the suction effect of the filter is improved.
Furthermore, the outer wall of the injection tube joint is provided with anti-skidding threads, so that the upper cover plate can be conveniently assembled and disassembled.
Furthermore, the surfaces of the upper cover plate, the lower cover plate and the annular connecting seat are rounded to improve the attractiveness and the use touch of the filter.
Has the advantages that: compared with the prior art, the high-viscosity liquid medicine needle tube type filter has the characteristics of simple structure, convenience in operation, low cost and the like, can be directly matched with an injector for use, can realize effective filtration of high-viscosity liquid medicine, fully avoids impurities from being injected into a human body along with the liquid medicine, can be reused only by replacing filter paper after cleaning, and effectively reduces the use cost.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an upper cover plate according to an embodiment of the present invention;
the reference numerals in the figures include: 1. upper cover plate, 2, lower apron, 3, filter paper, 4, annular connecting seat, 5, injection tube joint, 6, needle tubing joint, 7, sealing ring, 8, filter paper separation blade, 9, anti-skidding screw thread, 10, injection tube.
Detailed Description
The following description of the preferred embodiments of the present invention with reference to the accompanying drawings will more clearly and completely illustrate the technical solutions of the present invention.
As shown in fig. 1, a high viscosity liquid medicine needle tube type filter, including upper cover plate 1, lower cover plate 2, filter paper 3 and annular connecting seat 4, wherein upper cover plate 1, lower cover plate 2 set up in the inner circle of annular connecting seat 4 relatively, form the inner chamber that holds filter paper 3 between the two, upper cover plate 1 can be dismantled with annular connecting seat 4 and be connected, lower cover plate 2 and annular connecting seat 4 integrated into one piece, upper cover plate 1, the center punishment of lower cover plate 2 do not is equipped with the injection tube joint 5 of intercommunication inner chamber, needle tubing joint 6, injection tube joint 5, needle tubing joint 6 respectively with 10, needle tubing looks adaptation.
In this embodiment, the inner circle of annular connecting seat 4 is equipped with sealing ring 7, and the lateral wall and the sealing ring 7 joint cooperation of upper cover plate 1 improve the leakproofness of being connected between upper cover plate 1 and the annular connecting seat 4 from this to guarantee filter repeatedly usable.
Furthermore, the inner side of the upper cover plate 1 is provided with filter paper blocking pieces 8 which extend along the radial direction and are uniformly distributed on the circumference, the filter paper blocking pieces are designed to play a role of blocking filter paper on one hand so as to limit the moving range of the filter paper in the cavity, on the other hand, the structural strength of the upper cover plate can be improved, and the possibility of liquid leakage caused by deformation of the upper cover plate is fully reduced.
Furthermore, the lower cover plate 2 is integrally funnel-shaped, so that the suction effect of the filter is improved; the outer wall of the injection tube joint 5 is provided with anti-skid threads 9, so that the assembly and disassembly of the upper cover plate are convenient; the surfaces of the upper cover plate 1, the lower cover plate 2 and the annular connecting seat 4 are rounded so as to improve the aesthetic degree and the use touch feeling of the filter.
The specific embodiment of the utility model is as follows:
when the device is used, the upper cover plate 1 is opened, the filter paper 3 is placed in the device, the upper cover plate 1 is covered again, the clamping and sealing are realized, the device is respectively sleeved with an injection tube 10 and a needle tube through an injection tube connector 5 and a needle tube connector 6, liquid medicine is extracted from a liquid medicine bottle to the cavity through the needle tube, the liquid medicine filtered by the filter paper 3 enters the injection tube 10 under the action of air pressure and flowing, and impurities after filtering are left on the filter paper 3.
After the liquid medicine extraction is finished, the injection tube 10 and the needle tube are disassembled, the injector is reassembled to carry out liquid medicine injection, and the filter can be repeatedly used after being cleaned and the filter paper is replaced.
The needle tube type filter for high-viscosity liquid medicine provided by the utility model has the characteristics of simple structure, convenience in operation, lower cost and the like, can be directly matched with an injector for use, can realize effective filtration of the high-viscosity liquid medicine, and fully avoids impurities from being injected into a human body along with the liquid medicine.
The above detailed description merely describes preferred embodiments of the present invention and does not limit the scope of the utility model. Without departing from the spirit and scope of the present invention, it should be understood that various changes, substitutions and alterations can be made herein by those skilled in the art without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.
Claims (6)
1. The utility model provides a high viscosity liquid medicine needle tubing filter, its characterized in that, includes upper cover plate (1), lower apron (2), filter paper (3) and annular connecting seat (4), upper cover plate (1), lower apron (2) set up in the inner circle of annular connecting seat (4) relatively, form the inner chamber that holds filter paper (3) between the two, upper cover plate (1) can be dismantled with annular connecting seat (4) and be connected, apron (2) and annular connecting seat (4) integrated into one piece down, the center department of upper cover plate (1), lower apron (2) is equipped with injection tube joint (5), needle tubing joint (6) that communicate the inner chamber respectively.
2. The needle tube type filter for high viscosity liquid medicine according to claim 1, wherein the inner ring of the annular connecting seat (4) is provided with a sealing ring (7), and the side wall of the upper cover plate (1) is in snap fit with the sealing ring (7).
3. A needle tube filter for high viscosity medical liquid according to claim 1, wherein the inner side of the upper cover plate (1) is provided with filter paper blocking sheets (8) which extend along the radial direction and are evenly distributed on the circumference.
4. A high viscosity medical liquid needle tube filter as claimed in claim 1, wherein the lower cover plate (2) is formed in a funnel shape as a whole.
5. A needle tube filter for high viscosity medical fluids according to claim 1, wherein the outer wall of the syringe adapter (5) is provided with anti-slip threads (9).
6. The needle tube filter for high viscosity medical liquid according to claim 1, wherein the surfaces of the upper cover plate (1), the lower cover plate (2) and the annular connecting seat (4) are rounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122120926.2U CN215915990U (en) | 2021-09-03 | 2021-09-03 | High viscosity liquid medicine needle tube type filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122120926.2U CN215915990U (en) | 2021-09-03 | 2021-09-03 | High viscosity liquid medicine needle tube type filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215915990U true CN215915990U (en) | 2022-03-01 |
Family
ID=80418951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122120926.2U Active CN215915990U (en) | 2021-09-03 | 2021-09-03 | High viscosity liquid medicine needle tube type filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215915990U (en) |
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2021
- 2021-09-03 CN CN202122120926.2U patent/CN215915990U/en active Active
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