CN210873049U - Filter for medicine dispenser or injector - Google Patents
Filter for medicine dispenser or injector Download PDFInfo
- Publication number
- CN210873049U CN210873049U CN201921181796.XU CN201921181796U CN210873049U CN 210873049 U CN210873049 U CN 210873049U CN 201921181796 U CN201921181796 U CN 201921181796U CN 210873049 U CN210873049 U CN 210873049U
- Authority
- CN
- China
- Prior art keywords
- liquid outlet
- connecting piece
- conical head
- liquid inlet
- liquid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
A filter for a dispensing device or a syringe comprises an upper conical head, a lower conical head and a bidirectional liquid outlet platform arranged between the upper conical head and the lower conical head, wherein a partition plate used for dividing an inner cavity of the upper conical head into a liquid inlet cavity and a liquid outlet cavity is arranged in the upper conical head, the other end of the upper conical head is provided with an upper connecting piece, and the upper connecting piece is provided with an upper liquid inlet hole and an upper liquid outlet hole; the other end of the lower conical head is provided with a lower connecting piece matched with the upper connecting piece and a filtering membrane arranged on the inner side of the lower connecting piece, and the lower connecting piece is provided with a lower liquid inlet hole and a lower liquid outlet hole; and a liquid inlet plug body for separating the upper liquid inlet hole and the lower liquid inlet hole is rotatably arranged on one side of the bidirectional liquid outlet platform, and a liquid outlet plug body for separating the upper liquid outlet hole and the lower liquid outlet hole is rotatably arranged on the other side of the bidirectional liquid outlet platform. The filter has the advantages of reasonable design and wide application range, realizes one-way circulation and two-way filtration through the arrangement of the mutually independent liquid inlet channel and the liquid outlet channel, and effectively ensures the infusion safety.
Description
Technical Field
The utility model relates to the technical field of medical equipment, especially a filter for dispenser or syringe.
Background
Intravenous infusion and injection are common treatments in medicine.
It is often necessary to formulate some powder with a liquid prior to performing an infusion push. In the actual dispensing process, when medicine dissolving liquid in a penicillin bottle or medicine liquid in an ampoule bottle is extracted, particles of 3-5 microns, such as crystal particles and carbon black particles, are often generated in the production, storage and transportation processes of the common powder and water medicines, and in addition, as a grinding wheel is used for scratching a bottleneck, glass fragments generated when the bottleneck is broken are easy to fall into the medicine bottle; when the solid medicine powder is dissolved in the prepared medicine, because of short operation time and different dissolubility of the solid medicine powder, partial particles can not be dissolved, and meanwhile, when the medicine adding device punctures rubber, the rubber plug is easy to damage, and rubber fragments are generated to enter the medicine liquid; when the injection doser is used for extracting liquid medicine, glass fragments, partial medicinal powder particles or rubber fragments are also sucked in, and when intravenous infusion or injection is carried out on a patient, the fragments or the particles directly enter the blood of the human body, blood vessels can be blocked along with blood circulation, and the harm, even the life danger is brought to the body of the patient.
Therefore, the liquid medicine needs to be filtered during the dispensing and injection to ensure the safety, and meanwhile, for the convenience of use, a filter which does not need to be switched from the dispensing to the injection to an infusion set or a human body in one step is needed.
Disclosure of Invention
The utility model aims to solve the technical problem that to the not enough of prior art, provide a reasonable in design, simple structure, high filter for medicine dispenser or syringe of security.
The technical problem to be solved by the utility model is realized through the following technical scheme. The utility model relates to a filter for a medicine dispenser or an injector, which comprises an upper conical head, a lower conical head and a bidirectional liquid outlet platform arranged between the upper conical head and the lower conical head, wherein a clapboard used for separating an inner cavity of the upper conical head into a liquid inlet cavity and a liquid outlet cavity is arranged in the upper conical head; one end of the lower conical head is provided with an inner conical joint used for being matched with the injector, the other end of the lower conical head is provided with a lower connecting piece matched with the upper connecting piece and a filtering membrane arranged on the inner side of the lower connecting piece, and the lower connecting piece is provided with a lower liquid inlet hole used for being communicated with the upper liquid inlet hole to form a liquid inlet channel and a lower liquid outlet hole used for being communicated with the upper liquid outlet hole to form a liquid outlet channel; and a liquid inlet plug body for separating the upper liquid inlet hole and the lower liquid inlet hole is rotatably arranged on one side of the bidirectional liquid outlet platform, and a liquid outlet plug body for separating the upper liquid outlet hole and the lower liquid outlet hole is rotatably arranged on the other side of the bidirectional liquid outlet platform.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above dispenser or filter for the syringe, still be provided with on the connecting piece down and tie with last connecting piece installation complex installation, go up to be provided with on the connecting piece and tie complex mounting hole with the installation.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above dispenser or filter for the syringe, two-way play liquid platform's both sides be provided with respectively with last connecting piece and connecting piece installation complex pilot pin down, go up all be provided with on connecting piece and the lower connecting piece with pilot pin complex locating hole.
The technical problem to be solved by the present invention can be further solved by the following technical solution, wherein the upper conical head comprises an upper outer cylinder, and an upper frustum and an upper positioning part which is matched with the upper connecting piece are arranged in the upper outer cylinder; the lower conical head comprises a lower outer barrel, and a lower frustum and a lower limiting part matched with the lower connecting piece in an installing mode are arranged in the lower outer barrel.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above dispenser or filter for the syringe, still install in the lower conical head of filtration membrane inboard and be used for the filtration support that supports filtration membrane, the filtration holds in the palm and is provided with the filtration support hole of being convenient for the liquid medicine circulation.
The utility model discloses the technical problem that solve can also further realize through following technical scheme, to above dispenser or filter for the syringe, go up be provided with on the connecting piece with feed liquor cock body complex upper groove, be provided with on the lower connecting piece with play liquid cock body complex lower groove.
The technical problem to be solved by the utility model can be further realized through the following technical scheme, to above the filter for dispenser or syringe, outer cone connects and interior cone connects and is the standard joint that accords with GB/T1962.1 or GB/T1962.2.
Compared with the prior art, the utility model has the advantages that the upper conical head and the lower conical head are installed together, the bidirectional liquid outlet platform is arranged between the upper conical head and the lower conical head, so that the upper liquid inlet hole is communicated with the lower liquid inlet hole to form a liquid inlet channel, the upper liquid outlet hole is communicated with the lower liquid outlet hole to form a liquid outlet channel, the liquid inlet channel and the liquid outlet channel are mutually independent, and the on-off is controlled by the liquid inlet plug body and the liquid outlet plug body respectively; when liquid is fed, the liquid outlet channel is closed, and when liquid is discharged, the liquid inlet channel is closed, so that one-way circulation and two-way filtration are realized, and the safety is high; and the filter can be matched with a dispensing needle or an injection needle and a syringe which conform to GB/T1962.1 or GB/T1962.2 for use, and the application is wide. The filter has the advantages of reasonable design and wide application range, realizes one-way circulation and two-way filtration through the arrangement of the mutually independent liquid inlet channel and the liquid outlet channel, and effectively ensures the infusion safety.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the upper cone head of the present invention;
fig. 3 is a schematic structural view of the upper connecting member of the present invention;
fig. 4 is a schematic view of the internal structure of the present invention;
fig. 5 is a schematic structural diagram of the liquid state of the present invention;
fig. 6 is a schematic view of the liquid-out state structure of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the present invention are combined to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-6, a filter for a dispensing device or an injector, the filter comprises an upper conical head 1, a lower conical head 8 and a bidirectional liquid outlet platform installed between the upper conical head 1 and the lower conical head 8, a partition plate 16 for dividing an inner cavity of the upper conical head 1 into a liquid inlet cavity and a liquid outlet cavity is arranged in the upper conical head 1, an outer conical joint 12 for matching with a dispensing needle or an injection needle is arranged at one end of the upper conical head 1, an upper connecting piece 2 is installed at the other end of the upper conical head 1, and an upper liquid inlet 21 for communicating with the liquid inlet cavity and an upper liquid outlet 22 for communicating with the liquid outlet cavity are arranged on the upper connecting piece 2; an inner conical joint 82 used for being matched with an injector is arranged at one end of the lower conical head 8, a lower connecting piece 5 matched with the upper connecting piece 2 and a filtering membrane 6 arranged on the inner side of the lower connecting piece 5 are arranged at the other end of the lower conical head 8, and a lower liquid inlet hole 51 used for being communicated with the upper liquid inlet hole 21 to form a liquid inlet channel and a lower liquid outlet hole 52 used for being communicated with the upper liquid outlet hole 22 to form a liquid outlet channel are arranged on the lower connecting piece 5; one side of the bidirectional liquid outlet platform is rotatably provided with a liquid inlet plug 32 for separating the upper liquid inlet hole 21 and the lower liquid inlet hole 51, and the other side of the bidirectional liquid outlet platform is rotatably provided with a liquid outlet plug 42 for separating the upper liquid outlet hole 22 and the lower liquid outlet hole 52. An upper cavity is arranged in the upper conical head 1, the partition plate 16 divides the upper cavity into a liquid inlet cavity and a liquid outlet cavity, a lower cavity is arranged in the lower conical head 8, when the bidirectional liquid discharging platform is installed, the upper connecting piece 2 is installed in the upper conical head 1, the lower connecting piece 5 is installed in the lower conical head 8, then the upper connecting piece 2 is connected with the lower connecting piece 5, the bidirectional liquid discharging platform is installed on the upper connecting piece 2 and the lower connecting piece 5, and the bidirectional liquid discharging platform can be connected and fixed with the help of medical glue in the installation process; after installation, the liquid inlet cavity is communicated with the upper liquid inlet hole 21, the lower liquid inlet hole 51 and the lower cavity to form a liquid inlet channel; the liquid outlet cavity, the upper liquid outlet hole 22, the lower liquid outlet hole 52 and the lower cavity are communicated to form a liquid outlet channel, and the filtering membrane 6 is arranged among the lower liquid inlet hole 51, the lower liquid outlet hole 52 and the lower cavity and is used for filtering liquid medicine flowing into and flowing out of the lower cavity; the liquid inlet plug 32 on the bidirectional liquid outlet platform is used for separating the upper liquid inlet hole 21 and the lower liquid inlet hole 51, and further blocking a liquid inlet channel when liquid is discharged; the liquid outlet plug body 42 is used for separating the upper liquid outlet hole 22 and the lower liquid outlet hole 52, and further blocking a liquid outlet channel during liquid inlet; the liquid inlet plug body 32 can only rotate in the lower liquid inlet hole 51, and can block a liquid inlet channel from the side of the lower liquid inlet hole 51 to ensure one-way conduction, so that liquid medicine can only flow to the side of the lower liquid inlet hole 51 from the upper liquid inlet hole 21; the liquid inlet plug 32 is used for separating the upper liquid inlet hole 21 and the lower liquid inlet hole 51, and further blocking a liquid inlet channel when liquid is discharged; the liquid outlet plug body 42 can only rotate in the upper liquid outlet hole 22, and can block a liquid outlet channel from the side of the upper liquid outlet hole 22 to ensure unidirectional conduction, so that liquid medicine can only flow from the lower liquid outlet hole 52 to the side of the upper liquid outlet hole 22; the bidirectional liquid outlet platform is disc-shaped, and the middle part of the bidirectional liquid outlet platform is made of medical hard materials, such as medical plastics; the two sides of the liquid inlet platform 31 and the liquid outlet platform 41 are divided into a liquid inlet platform 31 and a liquid outlet platform 41, the liquid inlet plug body 32 is arranged on the liquid inlet platform 31 to form a liquid inlet valve 3 for controlling the on-off of a liquid inlet channel, and the liquid outlet plug body 42 is arranged on the liquid outlet platform 41 to form a liquid outlet valve 4 for controlling the on-off of a liquid outlet channel; the liquid inlet plug body 32 and the liquid outlet plug body 42 are made of materials with certain elasticity, such as medical silica gel or medical latex, and are convenient to deform and rotate when impacted, so that the liquid inlet channel and the liquid outlet channel are blocked or communicated.
The lower connecting piece 5 is also provided with a mounting bolt 54 which is matched with the upper connecting piece 2 in a mounting way, and the upper connecting piece 2 is provided with a mounting hole 23 which is matched with the mounting bolt 54. The number of the mounting bolts 54 and the number of the mounting holes 23 are 2, the 2 mounting bolts 54 are respectively arranged at two sides of the lower connecting piece 5, the 2 mounting holes 23 are respectively arranged at two sides of the upper connecting piece 2, and the upper connecting piece 2 and the lower connecting piece 5 are connected together through the matching of the mounting bolts 54 and the mounting holes 23.
And positioning bolts 33 which are matched with the upper connecting piece 2 and the lower connecting piece 5 in an installing way are respectively arranged on two sides of the bidirectional liquid outlet platform, and positioning holes which are matched with the positioning bolts 33 are respectively arranged on the upper connecting piece 2 and the lower connecting piece 5. 2 positioning holes are formed in the upper connecting piece 2 and the lower connecting piece 5, 4 positioning bolts 33 are arranged, and 2 positioning holes are formed in each side of the bidirectional liquid outlet platform and are respectively used for being matched with the positioning holes in the upper connecting piece 2 and the lower connecting piece 5, so that the bidirectional liquid outlet platform can be conveniently installed between the upper connecting piece 2 and the lower connecting piece 5; the positioning hole on the upper connecting piece 2 is an upper positioning hole 25; the positioning hole on the lower connecting piece 5 is a lower positioning hole 53.
The upper conical head 1 comprises an upper outer cylinder 15, and an upper frustum 13 and an upper limit part 14 which is matched with the upper connecting piece 2 in an installing way are arranged in the upper outer cylinder 15; the lower conical head 8 comprises a lower outer cylinder 85, and a lower frustum 83 and a lower limiting part 84 which is matched with the lower connecting piece 5 are arranged in the lower outer cylinder 85. The upper outer cylinder 15, the upper frustum 13 and the upper limit part 14 are of an integrally formed structure, an upper cavity is arranged in the upper outer cylinder 15, and the upper frustum 13 is used for supporting the upper outer cylinder 15; the upper limit part 14 is arranged to facilitate the clamping of the upper connecting piece 2 into the upper outer cylinder 15, so as to ensure the firmness and tightness of the installation of the upper connecting piece 2; the lower outer cylinder 85, the lower frustum 83 and the lower limiting part 84 are of an integrally formed structure, a lower cavity is arranged in the lower outer cylinder 85, and the lower frustum is arranged for supporting the lower outer cylinder 85; the lower limit portion 84 is arranged to facilitate the lower connecting member 5 to be clamped in the lower outer cylinder 85, so as to ensure the firmness and tightness of the installation of the lower connecting member 5.
The lower conical head 8 on the inner side of the filtering membrane 6 is also internally provided with a filtering support 7 for supporting the filtering membrane 6, and the filtering support 7 is provided with a filtering support hole 72 convenient for the circulation of liquid medicine. The filtering support 7 is integrally disc-shaped, and 4 fan-shaped filtering support holes 72 are formed in the filtering support; the filtering support 7 is used for supporting the filtering membrane 6 from the inner side, and the lower connecting piece 5 is used for supporting the filtering membrane 6 from the outer side, so that the filtering membrane 6 is prevented from being damaged by liquid medicine impact; the filter holder holes 72 are arranged to provide a flow passage for the liquid medicine to pass through the filter holder 7, thereby preventing the liquid medicine from blocking the flow.
The upper connecting piece 2 is provided with an upper groove 24 matched with the liquid inlet plug body 32, and the lower connecting piece 5 is provided with a lower groove 55 matched with the liquid outlet plug body 42. The upper groove 24 is used for matching with the two-way liquid outlet platform edge on the side of the liquid inlet plug body 32, so that the liquid inlet plug body 32 can only rotate on the side of the lower liquid inlet hole 51, and when the liquid inlet plug body is impacted by liquid medicine and rotates to the position of the upper liquid inlet hole 21, the liquid inlet plug body 32 is clamped into the upper liquid inlet hole 21, and the two-way liquid outlet platform edge on the side of the liquid inlet plug body 32 is clamped into the upper groove 24 for fixing, so that the upper liquid inlet hole 21 and the lower liquid inlet hole 51 are blocked; the lower groove 55 is used for matching with the bidirectional liquid outlet platform edge on the side of the liquid outlet plug body 42, so that the liquid outlet plug body 42 can only rotate on the side of the upper liquid outlet hole 22, when the liquid outlet plug body is impacted by liquid medicine and rotates to the position of the lower liquid outlet hole 52, the liquid outlet plug body 42 is clamped into the lower liquid outlet hole 52, and the bidirectional liquid outlet platform edge on the side of the liquid outlet plug body 42 is clamped into the lower groove 55 to be fixed, so that the upper liquid outlet hole 22 and the lower liquid outlet hole 52 are separated.
The outer cone joint 12 and the inner cone joint 82 are standard joints conforming to GB/T1962.1 or GB/T1962.2, are convenient to be matched with a dispensing needle or an injection needle and a dispenser conforming to GB/T1962.1 or GB/T1962.2 for use, and are widely applied.
A method of filtering a filter for a dispenser or syringe, comprising the steps of:
(1) when liquid is fed, the upper conical head is communicated with a dispensing needle or an injection needle, the lower conical head is communicated with an injector, and then liquid medicine in a container is input into the filter through the dispensing needle or the injection needle;
(2) pulling the core rod of the injector, rotating the liquid inlet plug body to the side of the lower liquid inlet hole under the pressure of the liquid medicine to communicate the upper liquid inlet hole and the lower liquid inlet hole, and rotating the liquid outlet plug body to the side of the lower liquid outlet hole to separate the upper liquid outlet hole from the lower liquid outlet hole;
(3) the liquid medicine flows into the filter from the dispensing needle or the injection needle, sequentially flows through the liquid inlet cavity, the upper liquid inlet hole and the lower liquid inlet hole, is filtered by the filter membrane and then flows into the injector;
(4) when liquid is discharged, the core rod of the injector is pushed, the liquid inlet plug body rotates towards the upper liquid inlet hole under the pressure of the liquid medicine to separate the upper liquid inlet hole from the lower liquid inlet hole, and the liquid outlet plug body rotates towards the upper liquid outlet hole to communicate the upper liquid outlet hole with the lower liquid outlet hole;
(5) the liquid medicine flows out from the injector, enters the filter, is filtered by the filter membrane, then sequentially flows through the lower liquid outlet hole and the upper liquid outlet hole, then flows into the dispensing needle or the injection needle through the liquid outlet cavity, and is output outwards.
Claims (7)
1. A filter for a dispenser or syringe, characterized by: the filter comprises an upper conical head, a lower conical head and a bidirectional liquid outlet platform arranged between the upper conical head and the lower conical head, wherein a partition plate used for dividing an inner cavity of the upper conical head into a liquid inlet cavity and a liquid outlet cavity is arranged in the upper conical head; one end of the lower conical head is provided with an inner conical joint used for being matched with the injector, the other end of the lower conical head is provided with a lower connecting piece matched with the upper connecting piece and a filtering membrane arranged on the inner side of the lower connecting piece, and the lower connecting piece is provided with a lower liquid inlet hole used for being communicated with the upper liquid inlet hole to form a liquid inlet channel and a lower liquid outlet hole used for being communicated with the upper liquid outlet hole to form a liquid outlet channel; and a liquid inlet plug body for separating the upper liquid inlet hole and the lower liquid inlet hole is rotatably arranged on one side of the bidirectional liquid outlet platform, and a liquid outlet plug body for separating the upper liquid outlet hole and the lower liquid outlet hole is rotatably arranged on the other side of the bidirectional liquid outlet platform.
2. A filter for a dispenser or syringe according to claim 1, wherein: the lower connecting piece is also provided with an installation bolt matched with the upper connecting piece in an installation manner, and the upper connecting piece is provided with an installation hole matched with the installation bolt.
3. A filter for a dispenser or syringe as claimed in claim 1 or claim 2, wherein: and positioning bolts matched with the upper connecting piece and the lower connecting piece in an installing mode are respectively arranged on two sides of the bidirectional liquid outlet platform, and positioning holes matched with the positioning bolts are respectively arranged on the upper connecting piece and the lower connecting piece.
4. A filter for a dispenser or syringe according to claim 1, wherein: the upper conical head comprises an upper outer cylinder body, and an upper frustum and an upper limit part which is matched with the upper connecting piece in an installing way are arranged in the upper outer cylinder body; the lower conical head comprises a lower outer barrel, and a lower frustum and a lower limiting part matched with the lower connecting piece in an installing mode are arranged in the lower outer barrel.
5. A filter for a dispenser or syringe according to claim 1, wherein: the lower conical head on the inner side of the filtering membrane is also internally provided with a filtering support for supporting the filtering membrane, and the filtering support is provided with a filtering support hole convenient for the circulation of liquid medicine.
6. A filter for a dispenser or syringe according to claim 1, wherein: the upper connecting piece is provided with an upper groove matched with the liquid inlet plug body, and the lower connecting piece is provided with a lower groove matched with the liquid outlet plug body.
7. A filter for a dispenser or syringe according to claim 1, wherein: the outer cone joint and the inner cone joint are standard joints conforming to GB/T1962.1 or GB/T1962.2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921181796.XU CN210873049U (en) | 2019-07-25 | 2019-07-25 | Filter for medicine dispenser or injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921181796.XU CN210873049U (en) | 2019-07-25 | 2019-07-25 | Filter for medicine dispenser or injector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210873049U true CN210873049U (en) | 2020-06-30 |
Family
ID=71329584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921181796.XU Active CN210873049U (en) | 2019-07-25 | 2019-07-25 | Filter for medicine dispenser or injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210873049U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110353992A (en) * | 2019-07-25 | 2019-10-22 | 江苏苏云医疗器材有限公司 | A kind of dispenser or syringe filter and its filter method |
-
2019
- 2019-07-25 CN CN201921181796.XU patent/CN210873049U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110353992A (en) * | 2019-07-25 | 2019-10-22 | 江苏苏云医疗器材有限公司 | A kind of dispenser or syringe filter and its filter method |
| CN110353992B (en) * | 2019-07-25 | 2024-03-22 | 江苏苏云医疗器材有限公司 | Filter for dispensing device or injector and filtering method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204428536U (en) | A kind of entry needle with defecator | |
| CN210873049U (en) | Filter for medicine dispenser or injector | |
| CN104013529A (en) | Automatic medicine dispensing device | |
| CN110353992B (en) | Filter for dispensing device or injector and filtering method thereof | |
| CN203971078U (en) | A kind of dual pathways entry needle | |
| CN201286910Y (en) | Disposable double filter-needles syringe/dispensation device | |
| CN204219385U (en) | A kind of combination type Kato syringe needle Infusion deploys device | |
| WO2019024827A1 (en) | Precision medicinal solution filter | |
| CN208372148U (en) | A kind of leak-proof configuration syringe needle | |
| CN211214749U (en) | Medical treatment filter that dispenses | |
| CN109550114A (en) | A kind of reverse syringe of combination | |
| CN105343960B (en) | Full-automatic infusion device | |
| CN206534958U (en) | Bi-directional filtered injection needle | |
| CN206391311U (en) | Filter injection needle | |
| CN209392395U (en) | A kind of needle apparatus for filtering of making up a prescription | |
| CN204637265U (en) | A kind of ophthalmologic operation syringe pump extension tube | |
| CN201127755Y (en) | Disposable tube type medicine dispensing device | |
| CN210044605U (en) | Infusion bottle plug puncture device with anti-drop function | |
| CN206372356U (en) | Filter injection needle | |
| CN205252202U (en) | Dedicated transfusion device for chemotherapy | |
| CN208710683U (en) | The bottled dosage form of perhexiline injection | |
| CN204562911U (en) | Make up a prescription filtered connectors | |
| CN206391310U (en) | Filter injection needle | |
| CN206372357U (en) | Filter injection needle | |
| CN206007725U (en) | A kind of syringe needle with defecator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |