CN108392416A - A kind of plug-in membrane filtration medical needle - Google Patents
A kind of plug-in membrane filtration medical needle Download PDFInfo
- Publication number
- CN108392416A CN108392416A CN201710324982.3A CN201710324982A CN108392416A CN 108392416 A CN108392416 A CN 108392416A CN 201710324982 A CN201710324982 A CN 201710324982A CN 108392416 A CN108392416 A CN 108392416A
- Authority
- CN
- China
- Prior art keywords
- needle
- sleeve pipe
- described sleeve
- needle stand
- plug
- 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.)
- Pending
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
- A61J1/14—Details; Accessories therefor
- A61J1/20—Arrangements for transferring or mixing fluids, e.g. from vial to syringe
- A61J1/2003—Accessories used in combination with means for transfer or mixing of fluids, e.g. for activating fluid flow, separating fluids, filtering fluid or venting
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
- A61J1/14—Details; Accessories therefor
- A61J1/20—Arrangements for transferring or mixing fluids, e.g. from vial to syringe
- A61J1/2003—Accessories used in combination with means for transfer or mixing of fluids, e.g. for activating fluid flow, separating fluids, filtering fluid or venting
- A61J1/2006—Piercing means
- A61J1/201—Piercing means having one piercing end
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
- A61J1/14—Details; Accessories therefor
- A61J1/20—Arrangements for transferring or mixing fluids, e.g. from vial to syringe
- A61J1/2003—Accessories used in combination with means for transfer or mixing of fluids, e.g. for activating fluid flow, separating fluids, filtering fluid or venting
- A61J1/2079—Filtering means
- A61J1/2086—Filtering means for fluid filtration
Landscapes
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Pharmacology & Pharmacy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a kind of plug-in membrane filtration medical needles, including needle stand, casing and the syringe needle being fixed on casing, the inside of the syringe needle is hollow liquid-passing hole, one end of the syringe needle is located in described sleeve pipe, filter membrane is equipped between described sleeve pipe and the needle stand, the needle stand and described sleeve pipe are interconnected to form the cavity with entrance and exit, and the cavity is separated into front and back two parts by the filter membrane, and the outer edge of described sleeve pipe and the needle stand closed position is coated with cladding circle.A kind of plug-in membrane filtration medical needle of the present invention, cladding is provided in needle stand and casing connection position to enclose, needle stand and casing are closely pressed against by cladding circle, and have the effect of preventing explosion from revealing, and greatly strengthen the ability for bearing pressure of syringe needle and casing filtering.
Description
Technical field
The present invention relates to medical apparatus technical field, specially a kind of plug-in membrane filtration medical needle.
Background technology
In medical domain clinical nursing activity dilute and aspirate ampoule solution always use No. 16 syringe needles, the syringe needle be by
The needle stalk and pintle composition that can be connected together, and with interconnected access way.But have when it is used as follows
Disadvantage：Since the bottle stopper of medicine powder is all made of rubber, this rubber plug brittleness is larger, can go out when being punctured with No. 16 syringe needles
Some existing finding of naked eye and invisible rubber particle, also inevitably various particles mix during preparing ampoule
Enter.To be entered the health for seriously endangering patient into the human body in liquid possibly together entrainment of these impurity.
Invention content
It is an object of the invention to overcome above-mentioned technical problem, a kind of plug-in membrane filtration medical needle is provided, can be had
Effect avoids impurity from bringing harm into human body together with liquid.
To achieve the above object, the present invention provides the following technical solutions：
A kind of plug-in membrane filtration medical needle, including needle stand, casing and the syringe needle being fixed on casing, the syringe needle
Inside be hollow liquid-passing hole, one end of the syringe needle is located in described sleeve pipe, is equipped between described sleeve pipe and the needle stand
Filter membrane, the needle stand and described sleeve pipe are interconnected to form the cavity with entrance and exit, and the filter membrane is by the sky
Chamber is separated into front and back two parts, and the outer edge of described sleeve pipe and the needle stand closed position is coated with cladding circle.
Further, the edge of one end that described sleeve pipe is connect with the needle stand is equipped with protrusion, the opening edge of the needle stand
Closely agree in the edge insertion protrusion and with described sleeve pipe, the cladding circle is annular construction member, by described sleeve pipe and the needle
Seat agrees with position cladding closely.
Further, the edge of one end that the needle stand is connect with described sleeve pipe is equipped with protrusion, the opening edge of described sleeve pipe
Closely agree in the edge insertion protrusion and with the needle stand, the cladding circle is annular construction member, by described sleeve pipe and the needle
Seat agrees with position cladding closely.
Further, the inside contact surface that the needle stand and described sleeve pipe are in contact is arcwall face, the needle stand and institute
The arcwall face for stating casing fastens to form arc-shaped cavity, and the filter membrane is arranged in the arc-shaped cavity.
Further, the arcwall face is equipped with the particle of spot distribution, is located at the particle on the needle stand and position
Arrangement is corresponded in the particle in described sleeve pipe, the filter membrane is clamped in the arc-shaped cavity by the particle.
Further, it is located at the height of the height and the particle in described sleeve pipe of the particle on the needle stand
It spends identical.
Further, the needle stand, described sleeve pipe and cladding circle are polypropylene structural member.
Compared with prior art, beneficial effects of the present invention are as follows：
1. a kind of plug-in membrane filtration medical needle of the present invention is provided with cladding in needle stand and casing connection position and encloses,
Needle stand and casing are closely pressed against by cladding circle, and have the effect of preventing explosion from revealing, greatly strengthen syringe needle with
The ability for bearing pressure of casing filtering.
2. a kind of plug-in membrane filtration medical needle of the present invention, simple and reasonable, of low cost, and filter effect
Good, general applicability is strong, can be effectively prevented impurity into the liquid, reduction pollution, it is ensured that the safety being infused to human body.
Description of the drawings
Fig. 1 is the structural schematic diagram of the embodiment of the present invention 1；
Fig. 2 is the structural schematic diagram of the embodiment of the present invention 2.
In figure：1 needle stand, 2 casings, 3 syringe needles, 4 liquid-passing holes, 5 filter membranes, 6 entrances, 7 outlets, 8 cladding circles, 9 protrusions, 10 arcs
Shape cavity, 11 particles.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1
As shown in Figure 1, a kind of plug-in membrane filtration medical needle, including needle stand 1, casing 2 and it is fixed on casing
The inside of syringe needle 3, syringe needle 3 is hollow liquid-passing hole 4, and one end of syringe needle 3 is located in casing 2, is equipped between casing 2 and needle stand 1
Filter membrane 5, needle stand 1 is interconnected to form the cavity with entrance 6 and outlet 7 with casing 2, before cavity is separated by filter membrane 5
The outer edge of two parts afterwards, casing 2 and 1 closed position of needle stand is coated with cladding circle 8.Needle stand 1, casing 2 and cladding circle 8 are poly-
Propylene component.
The edge of one end that casing 2 is connect with needle stand 1 is equipped with protrusion 9, in the open edge of needle stand 1 insertion protrusion 9 and with
Casing 2 closely agrees with, and cladding circle 8 is annular construction member, and the position of agreeing with of casing 2 and needle stand 1 is coated closely.
The inside contact surface that needle stand 1 and casing 2 are in contact is arcwall face, and the arcwall face of needle stand 1 and casing 2 fastens to be formed
Arc-shaped cavity 10, filter membrane 5 are arranged in arc-shaped cavity 10.
Arcwall face is equipped with the particle 11 of spot distribution, is located at the height of the particle 11 on needle stand 1 and on casing 2
The height of particle 11 is identical.Particle 11 on needle stand 1 and the particle 11 on casing 2 correspond to arrangement, particle 11 incited somebody to action
Filter membrane 5 is clamped in arc-shaped cavity 10.
Embodiment 2
As shown in Fig. 2, the present embodiment difference from example 1 is that, the side of one end that needle stand 1 is connect with casing 2
Edge is equipped with protrusion 9, closely agrees in the open edge insertion raised 9 of casing 2 and with needle stand 1, coats circle 8 by casing 2 and needle stand 1
To agree with position cladding close.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of plug-in membrane filtration medical needle, it is characterised in that：Including needle stand, casing and the needle being fixed on casing
The inside of head, the syringe needle is hollow liquid-passing hole, and one end of the syringe needle is located in described sleeve pipe, described sleeve pipe and the needle
Filter membrane is equipped between seat, the needle stand is interconnected to form the cavity with entrance and exit, the filtering with described sleeve pipe
The cavity is separated into front and back two parts by film, and the outer edge of described sleeve pipe and the needle stand closed position is coated with cladding circle.
2. a kind of plug-in membrane filtration medical needle according to claim 1, which is characterized in that described sleeve pipe with it is described
Needle stand connection one end edge be equipped with protrusion, the needle stand open edge insertion it is described protrusion in and it is close with described sleeve pipe
Agree with, the cladding circle is annular construction member, and the position of agreeing with of described sleeve pipe and the needle stand is coated closely.
3. a kind of plug-in membrane filtration medical needle according to claim 1, which is characterized in that the needle stand with it is described
The edge of one end of casing connection be equipped with protrusion, described sleeve pipe open edge insertion it is described protrusion in and it is close with the needle stand
Agree with, the cladding circle is annular construction member, and the position of agreeing with of described sleeve pipe and the needle stand is coated closely.
4. a kind of plug-in membrane filtration medical needle according to claim 1, which is characterized in that the needle stand and described
The inside contact surface that casing is in contact is arcwall face, and the arcwall face of the needle stand and described sleeve pipe fastens to form arc-shaped cavity,
The filter membrane is arranged in the arc-shaped cavity.
5. a kind of plug-in membrane filtration medical needle according to claim 4, which is characterized in that set on the arcwall face
There is the particle of spot distribution, be located at the particle on the needle stand and the particle in described sleeve pipe corresponds to arrangement,
The filter membrane is clamped in the arc-shaped cavity by the particle.
6. a kind of plug-in membrane filtration medical needle according to claim 5, which is characterized in that be located on the needle stand
The particle height it is identical as the height of the particle in the described sleeve pipe.
7. according to a kind of any plug-in membrane filtration medical needles of claim 1-6, which is characterized in that the needle
Seat, described sleeve pipe and cladding circle are polypropylene structural member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710324982.3A CN108392416A (en) | 2017-05-10 | 2017-05-10 | A kind of plug-in membrane filtration medical needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710324982.3A CN108392416A (en) | 2017-05-10 | 2017-05-10 | A kind of plug-in membrane filtration medical needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108392416A true CN108392416A (en) | 2018-08-14 |
Family
ID=63094313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710324982.3A Pending CN108392416A (en) | 2017-05-10 | 2017-05-10 | A kind of plug-in membrane filtration medical needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108392416A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200998481Y (en) * | 2006-07-31 | 2008-01-02 | 王哲兴 | Disposable sterile filtering type syringe |
| CN201346311Y (en) * | 2009-01-22 | 2009-11-18 | 王同新 | Medical medicine adding needle |
| CN201988247U (en) * | 2011-03-07 | 2011-09-28 | 袁建华 | Syringe-driven filter |
| CN202223672U (en) * | 2011-09-15 | 2012-05-23 | 刘�英 | Filter type syringe |
-
2017
- 2017-05-10 CN CN201710324982.3A patent/CN108392416A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200998481Y (en) * | 2006-07-31 | 2008-01-02 | 王哲兴 | Disposable sterile filtering type syringe |
| CN201346311Y (en) * | 2009-01-22 | 2009-11-18 | 王同新 | Medical medicine adding needle |
| CN201988247U (en) * | 2011-03-07 | 2011-09-28 | 袁建华 | Syringe-driven filter |
| CN202223672U (en) * | 2011-09-15 | 2012-05-23 | 刘�英 | Filter type syringe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180814 |
|
| RJ01 | Rejection of invention patent application after publication |