CN209392395U - A kind of needle apparatus for filtering of making up a prescription - Google Patents
A kind of needle apparatus for filtering of making up a prescription Download PDFInfo
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- CN209392395U CN209392395U CN201821911392.7U CN201821911392U CN209392395U CN 209392395 U CN209392395 U CN 209392395U CN 201821911392 U CN201821911392 U CN 201821911392U CN 209392395 U CN209392395 U CN 209392395U
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- hole
- connecting groove
- filtering
- making
- filter house
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Abstract
The utility model discloses a kind of needle apparatus for filtering of making up a prescription, it makes up a prescription which solve existing syringe needle and is easy to be mixed into solid particle in injection process, causes security risk big, it is cumbersome, working efficiency is low, increases the technical issues of chance of drug contamination, including puncture portion, connection pedestal, the cyclic annular filter house between puncture portion and connection pedestal, connection pedestal is equipped with connecting groove and connecting tube；The bottom of connecting groove is equipped with the first through hole with connecting tube perforation connection, is additionally provided with connecting tube close to the edge of first through hole through the second through-hole connected positioned at connecting groove bottom；The bottom outside of cyclic annular filter house and the bottom inside of connecting groove are additionally provided with filter membrane, and the lower part in puncture portion is equipped with the first annular boss extended downwardly, runs through on the side wall of the first annular boss and be equipped with fifth hole；It is additionally provided with an one-way sealing diaphragm between first annular boss and cyclic annular filter house, can be widely applied to medical apparatus technical field.
Description
Technical field
The utility model belongs to medical apparatus technical field, and in particular to a kind of needle apparatus for filtering of making up a prescription.
Background technique
Currently, it is easy to produce glass chip when opening ampoule bottle during making up a prescription before venous transfusion and injection, this
Outside, solid medicinal powder make up a prescription dissolve when, since the operating time is short, the deliquescent difference of solid medicinal powder, there is partial particulate to fail molten
Solution, meanwhile, when doser punctures rubber, easily make rubber stopper damaged, generates rubber scraps into the liquid.In this way, when using
When Medicine adder for injection extracts medical fluid, part medicinal powder particle or rubber scraps are also drawn into.To patient carry out venous transfusion or
When injection, these clasts or particle are directly entered in blood of human body, can be blocked blood vessel with blood circulation, be brought to patient body
Harm or even threat to life.Therefore, it needs to be filtered medicine company during making up a prescription, to guarantee safety.
And existing dispensation injection needle common practice is that a filter device is arranged in liquid-transport pipe-line to consolidate these
Body medicinal powder particle, glass chip and rubber scraps etc. are filtered, and the dispensation injection needle of this structure can only be by solid medicinal powder
Grain and rubber scraps etc. are blocked in the side of filter device, if being blocked in the particulate matter of filter device side when reversed injection,
It will flow back, bring harm to patient body.And the molten medicine of nurse is low with the working efficiency to make up a prescription, and it is cumbersome, very inconvenient.
Summary of the invention
The utility model is directed to shortcoming and defect existing in the prior art, propose a kind of structure be simple and convenient to operate,
Work efficiency is high, effectively avoids the appearance of solid particle during making up a prescription, the safety for significantly improving preparating liquid, reduces medical fluid
The needle apparatus for filtering of making up a prescription of contaminated probability.
For this purpose, the utility model provides a kind of needle apparatus for filtering of making up a prescription, including puncture portion, connection pedestal, position
Cyclic annular filter house between puncture portion and connection pedestal, the top for connecting pedestal are equipped with the connecting groove being recessed inwardly, under
End is equipped with and the integrally formed connecting tube of connecting groove；The bottom of connecting groove is equipped with to be led to the first of connecting tube perforation connection
Hole is additionally provided with connecting tube close to the edge of first through hole through the second through-hole connected positioned at connecting groove bottom；Cyclic annular mistake
Filter portion is intermediate with third through-hole and to lower recess groove-like structure, and cyclic annular filter house is placed in the inside of connecting groove,
The lateral wall of cyclic annular filter house is in contact with the inner sidewall of connecting groove, positioned at the bottom of the cyclic annular filter house at third through-hole edge
It also extends through and is equipped with fourth hole；The bottom outside of cyclic annular filter house and the bottom inside of connecting groove are additionally provided with filter membrane, wear
The lower part in thorn portion is the cyclic annular halfpace with sealing and mating connection at the top of connecting groove, and the puncture needle of perforation is equipped with inside halfpace
Hole, the bottom of halfpace are also integrally formed the first annular boss for being equipped with and extending downwardly, run through on the side wall of the first annular boss and set
There is fifth hole；An one-way sealing diaphragm is additionally provided between first annular boss and cyclic annular filter house, in one-way sealing diaphragm
Between outwardly protruded from the bottom of the first annular boss, and be convex to constitute one-way sealing diaphragm lug boss, one-way sealing in third through-hole
Closed gap is equipped among sealer piece lug boss, fourth hole is completely covered by by one-way sealing diaphragm.
Preferably, the edge positioned at the first through hole of connecting groove bottom is equipped with the second upward annular boss, is located at and connects
Bottom portion of groove is connect to be additionally provided with connecting tube close to the edge of the second annular boss through the second through-hole connected.
Preferably, the cyclic annular flow guide bar outwardly protruded is additionally provided in the bottom surface of cyclic annular filter house.
Preferably, one-way sealing diaphragm is elastic material, and elastic material is silica gel material.
Preferably, halfpace top is equipped with puncture needle mounting seat, is additionally provided with and puncture portion front end in puncture needle mounting seat
The reinforcement wing structure being connected.
Preferably, through multiple fifth holes are equipped on the side wall of the first annular boss, multiple fifth holes are along first
Annular boss is symmetric setting.
Preferably, the second through-hole number is multiple and annularly symmetrical along the second annular boss.
Preferably, fourth hole number is multiple, and is symmetric setting along third through-hole.
Preferably, it is equipped among filter membrane and covers the 6th through-hole outside first through hole, filter membrane covers the whole of connecting groove
A inside bottom.
Preferably, filter membrane is liquid medicine filtering membrane.
The beneficial effects of the utility model are:
(1) needle apparatus for filtering of making up a prescription of the utility model, structure is simple and convenient to operate, safety significantly mentions
Height, work efficiency is high.
(2) the utility model for the needle apparatus of filtering of making up a prescription, in use process, on the one hand, by consolidating in medical fluid
Body particle filters completely, effectively avoids the appearance of solid particle during making up a prescription.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram (removing puncture needle, one-way sealing diaphragm and filter membrane) of the explosive view of Fig. 1；
Fig. 3 is the structural schematic diagram (removing puncture needle, one-way sealing diaphragm and filter membrane) of the explosive view of Fig. 1.
Marked in the figure: 1. puncture portions, 11. halfpaces, 12. puncture holes, 13. first annular boss, 14. fifth holes, 15.
Strengthening wing, 2. connection pedestals, 21. connecting grooves, 22. connecting tubes, 23. first through hole, 24. second through-holes, 25. second is cyclic annular convex
Platform, 3. cyclic annular filter houses, 31. third through-holes, 32. fourth holes, 33. cyclic annular flow guide bars, 34. filter membranes, 4. one-way sealing films
Piece, 41. one-way sealing diaphragm lug bosses.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, to help the utility model is understood
Content.Method used in the utility model is conventional method unless otherwise required；Used raw material and dress
It sets, is conventional commercial product unless otherwise required.
As shown in Figure 1-Figure 3, the utility model provides a kind of needle apparatus for filtering of making up a prescription, including puncture portion 1, company
Pedestal 2, the cyclic annular filter house 3 between puncture portion 1 and connection pedestal 2 are connect, the top of connection pedestal 2, which is equipped with, to be recessed inwardly
Connecting groove 21, lower end are equipped with and the integrally formed connecting tube 22 of connecting groove 21；The bottom of connecting groove 21 is equipped with and connects
The first through hole 23 of the perforation connection of adapter tube 22, the edge positioned at the first through hole 23 of 21 bottom of connecting groove are equipped with upward second
Annular boss 25 is additionally provided with connecting tube close to the edge of the second annular boss 25 through connection positioned at 21 bottom of connecting groove
Second through-hole 24, the second number of through-hole 24 are four, and annular in shape symmetrical along first through hole 23.Cyclic annular filter house 3 is
Centre has third through-hole 31 and to lower recess groove-like structure, and cyclic annular filter house 3 is placed in the inside of connecting groove 21, ring
The lateral wall of shape filter house 3 is in contact with the inner sidewall of connecting groove 21, the cyclic annular filter house 3 positioned at third through-hole 31 edge
Bottom is also extended through equipped with fourth hole 32；32 numbers of fourth hole are four, and are symmetric setting along third through-hole 31.
The bottom outside of cyclic annular filter house 3 and the bottom inside of connecting groove 21 are additionally provided with filter membrane 34, are equipped among filter membrane 34
The 6th through-hole outside first through hole 23 is covered, filter membrane 34 covers the entire inside bottom of connecting groove 21.Filter membrane 34 is medicine
Liquid filter membrane.The cyclic annular flow guide bar 33 outwardly protruded is additionally provided in the bottom surface of cyclic annular filter house 3, it on the one hand can be to medical fluid
With guide functions, on the other hand make between the bottom outside and filter membrane 34 of cyclic annular filter house 3 that there are gaps, makes filter effect
More sufficiently, time saving convenience improves work effect, reduces the filtration time of medical fluid, be further ensured that the safety of preparating liquid.
The lower part in puncture portion 1 is the cyclic annular halfpace 11 with sealing and mating connection at the top of connecting groove 21, is set inside halfpace
There is the puncture hole 12 of perforation, the bottom of halfpace 11 is also integrally formed the first annular boss 13 for being equipped with and extending downwardly, the first ring
Through equipped with fifth hole 14 on the side wall of shape boss 13；Through setting, there are four fifth holes on the side wall of first annular boss 13
14, four fifth holes 14 are symmetric setting along the first annular boss 13.First annular boss 13 and cyclic annular filter house 3
Between be additionally provided with an one-way sealing diaphragm 4, the centre of one-way sealing diaphragm 4 is outwardly protruded from the bottom of the first annular boss 13,
And it is convex to 31 Inner Constitution one-way sealing diaphragm lug boss 41 of third through-hole, it is equipped among one-way sealing diaphragm lug boss 41 closed
Gap, fourth hole 32 is completely covered by by one-way sealing diaphragm 4.One-way sealing diaphragm 4 is elastic material, and elastic material is silicon
Glue material matter.11 top of halfpace is equipped with puncture needle mounting seat, is additionally provided in puncture needle mounting seat and is connected with 1 front end of puncture portion
15 structure of strengthening wing, further strengthen the durability in puncture portion 1.
In use process, after connection pedestal 2 connects syringe first, 1 front end of puncture portion is inserted into medicinal liquid bottle, is pulled out outward
When taking the plunger rod of syringe, the closed gap among one-way sealing diaphragm lug boss 41 is opened, medical fluid from gap into
The connecting tube 22 for entering to connect pedestal 2, finally enters in syringe and makes up a prescription；After the completion of configuring medical fluid, syringe is inwardly squeezed
Plunger rod, configure the medical fluid of completion successively from the second through-hole 24, after the filtering of filter membrane 34, then after fourth hole 32, it is single
It is in the closed gap among the one-way sealing diaphragm lug boss 41 of sealing diaphragm 4 and closes tight state, while one-way sealing film
The edge of piece 4 is jacked up, and medical fluid enters fifth hole 14 from the outflow of 4 edge of one-way sealing diaphragm, and it is cyclic annular convex to finally enter first
Platform 13 backs in medicinal liquid bottle from puncture portion 1, realizes configuration and filtering to medical fluid, convenient and efficient；Medical fluid is effectively reduced
Contaminated probability, safety significantly improve.
To sum up, the needle apparatus for filtering of making up a prescription of the utility model, structure is simple and convenient to operate, work efficiency is high,
The safety for effectively avoiding the appearance of solid particle during making up a prescription, significantly improving preparating liquid, while also significantly reducing medical fluid
Contaminated probability.
The above is only the embodiments of the present invention, such as 24 numbers of the second through-hole are one or more, the 4th
The number of through-hole 32 is one or more, and 14 numbers of fifth hole are one or more；One-way sealing diaphragm 4 is any bullet
Property material, may be implemented the utility model for the needle apparatus of filtering of making up a prescription.
In the description of the present invention, it should be understood that term " on ", "lower", "top", "bottom", "front", "rear",
The orientation or positional relationship of the instructions such as "inner", "outside", " centre " be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for describing the utility model and simplifying description, rather than the device or element of indication or suggestion meaning must have specific side
Position is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
Only as described above, only specific embodiment of the utility model, when the utility model cannot be limited with this
The range of implementation, therefore the displacement of its equivalent assemblies, or according to equivalent changes and modifications made by the utility model patent protection scope,
It should still belong to the scope that the utility model claims book is covered.
Claims (10)
1. a kind of needle apparatus for filtering of making up a prescription, which is characterized in that including puncture portion, connection pedestal, be located at the puncture
The top of cyclic annular filter house between portion and the connection pedestal, the connection pedestal is equipped with the connecting groove being recessed inwardly,
Lower end is equipped with and the integrally formed connecting tube of the connecting groove；The bottom of the connecting groove is equipped with to be penetrated through with the connecting tube
The first through hole of connection is additionally provided with close to the edge of the first through hole positioned at the connecting groove bottom and passes through with the connecting tube
Wear the second through-hole of connection；The ring-type filter house is intermediate with third through-hole and to lower recess groove-like structure, institute
State the inside that cyclic annular filter house is placed in the connecting groove, the lateral wall of the ring-type filter house and the inside of the connecting groove
Wall is in contact, and the bottom positioned at the cyclic annular filter house at the third through-hole edge is also extended through equipped with fourth hole；The ring
The bottom inside of the bottom outside of shape filter house and the connecting groove is additionally provided with filter membrane, the lower part in the puncture portion be with
The cyclic annular halfpace of sealing and mating connection at the top of the connecting groove, the halfpace inside is equipped with the puncture hole of perforation, described
The bottom of halfpace is also integrally formed the first annular boss for being equipped with and extending downwardly, and runs through on the side wall of first annular boss and sets
There is fifth hole；An one-way sealing diaphragm is additionally provided between first annular boss and the cyclic annular filter house, it is described unidirectional
The centre of sealing diaphragm is outwardly protruded from the bottom of first annular boss, and is convex to constitute one-way sealing in the third through-hole
Sealer piece lug boss, the one-way sealing diaphragm lug boss centre are equipped with closed gap, and the one-way sealing diaphragm will be described
Fourth hole is completely covered by.
2. a kind of needle apparatus for filtering of making up a prescription according to claim 1, which is characterized in that it is recessed to be located at the connection
The edge of the first through hole of trench bottom is equipped with the second upward annular boss, is located at the connecting groove bottom close to described
The edge of second annular boss is additionally provided with second through-hole with the connecting tube through connection.
3. a kind of needle apparatus for filtering of making up a prescription according to claim 1, which is characterized in that the ring-type filter house
Bottom surface on be additionally provided with the cyclic annular flow guide bar outwardly protruded.
4. a kind of needle apparatus for filtering of making up a prescription according to claim 1, which is characterized in that the one-way sealing film
Piece is elastic material, and the elastic material is silica gel material.
5. a kind of needle apparatus for filtering of making up a prescription according to claim 1, which is characterized in that the halfpace top is set
There is puncture needle mounting seat, the strengthening wing knot being connected with puncture portion front end is additionally provided in the puncture needle mounting seat
Structure.
6. a kind of needle apparatus for filtering of making up a prescription according to claim 1, which is characterized in that described first is cyclic annular convex
Through multiple fifth holes are equipped on the side wall of platform, multiple fifth holes are along first annular boss in symmetrical
Distribution setting.
7. a kind of needle apparatus for filtering of making up a prescription according to claim 2, which is characterized in that second through-hole
Number is multiple and annularly symmetrical along second annular boss.
8. a kind of needle apparatus for filtering of making up a prescription according to claim 2, which is characterized in that the fourth hole
Number is multiple, and is symmetric setting along the third through-hole.
9. a kind of needle apparatus for filtering of making up a prescription according to claim 1, which is characterized in that among the filter membrane
Equipped with the 6th through-hole outside the first through hole is covered, the filter membrane covers the entire inside bottom of the connecting groove.
10. a kind of needle apparatus for filtering of making up a prescription according to claim 9, which is characterized in that the filter membrane is
Liquid medicine filtering membrane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821911392.7U CN209392395U (en) | 2018-11-20 | 2018-11-20 | A kind of needle apparatus for filtering of making up a prescription |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821911392.7U CN209392395U (en) | 2018-11-20 | 2018-11-20 | A kind of needle apparatus for filtering of making up a prescription |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209392395U true CN209392395U (en) | 2019-09-17 |
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ID=67880285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821911392.7U Active CN209392395U (en) | 2018-11-20 | 2018-11-20 | A kind of needle apparatus for filtering of making up a prescription |
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| Country | Link |
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| CN (1) | CN209392395U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113855561A (en) * | 2021-10-12 | 2021-12-31 | 深圳市迈威生物科技有限公司 | Low starting force self-sealing puncture outfit |
-
2018
- 2018-11-20 CN CN201821911392.7U patent/CN209392395U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113855561A (en) * | 2021-10-12 | 2021-12-31 | 深圳市迈威生物科技有限公司 | Low starting force self-sealing puncture outfit |
| CN113855561B (en) * | 2021-10-12 | 2023-11-07 | 深圳市迈威生物科技有限公司 | Self-sealing puncture outfit with low starting force |
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