CN106580698A - Air filtering needle - Google Patents
Air filtering needle Download PDFInfo
- Publication number
- CN106580698A CN106580698A CN201710048605.1A CN201710048605A CN106580698A CN 106580698 A CN106580698 A CN 106580698A CN 201710048605 A CN201710048605 A CN 201710048605A CN 106580698 A CN106580698 A CN 106580698A
- Authority
- CN
- China
- Prior art keywords
- cylinder
- draw point
- side wall
- filtering holes
- external diameter
- 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.)
- Granted
Links
- 238000001914 filtration Methods 0.000 title claims abstract description 66
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 11
- 239000010959 steel Substances 0.000 claims abstract description 11
- 239000012528 membrane Substances 0.000 claims description 16
- 238000003780 insertion Methods 0.000 claims description 13
- 230000037431 insertion Effects 0.000 claims description 13
- 210000004907 gland Anatomy 0.000 claims description 9
- 241001149930 Protura <class> Species 0.000 claims description 4
- 238000009827 uniform distribution Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 abstract description 22
- 239000003814 drug Substances 0.000 abstract description 15
- 229940079593 drug Drugs 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000037361 pathway Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 244000052769 pathogen Species 0.000 description 1
- 230000001717 pathogenic effect Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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
- 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
-
- 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
- A61J1/2082—Filtering means for gas 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)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention provides an air filtering needle, comprising a steel needle, an upper needle base, a lower needle base and a filter film; an air hole is arranged on the side wall at the front end of the steel needle, and the upper needle base is orderly provided with an upper cone body, a first cylinder body, a second cylinder body and a third cylinder body from top to bottom; inside diameter of a small end of the upper cone body is equal to the outside diameter of the steel needle, and a plurality of long strip shaped liquid inlets are evenly distributed on the periphery of the side wall of the upper cone body; the outside diameter of the third cylinder body is less than the outside diameter of the second cylinder body, the lower needle base is orderly provided with a connecting cylinder body, a square shell body and a conical head cavity from top to bottom; the inner part of the connecting cylinder body is provided with a cylindrical steel needle cavity, and the steel needle is inserted to the steel needle cavity; the cylindrical filter hole is vertically arranged on one side wall of the square shell, the upper side wall of the filtering hole is connected with the side wall at one side of the steel needle cavity, the lower side wall of the filtering hole is connected with the side wall of the other side of the steel needle cavity; the filtering hole is interconnected with the steel needle cavity, a filtering film is arranged in the filter hole, and the third cylinder body is in interference fit with the connecting cylinder body. The air filtering needle is simple in structure, and easy and convenient to absorb drug liquid.
Description
Technical field
The invention belongs to medical instruments field, and in particular to a kind of air filtration pin.
Background technology
Transfusion is a kind of wide variety of Therapeutic Method, before being infused, it usually needs by powder or liquor medicine
First medicinal liquid is configured to liquid preparation or solution to be infused, then again liquid drug is filled in solution to be infused.
Dosing, when taking out medicine, need to keep the air pressure balance inside and outside bottle, dosing can be made, to take out medicine operation free and relaxed.Matching somebody with somebody in medicinal liquid
Need to use filtrated air to filter pin during putting, to keep a bottle inside and outside air pressure balance, and prevent the dust particle in air
Enter in solution to be injected with pathogen.
Application number：201310612571.6 a kind of end face exhausting low resistance medicine feeding needle is disclosed, including hollow needle, needle guard
Pipe, pin fixed seat and air filter film, are provided with steam vent in the side of the shield needle tubing of needle cannula；At the bottom of the butt hole of pin fixed seat
The end face venthole interlinked with the external world being provided with, air filter film being provided with the bottom of butt hole, needle cannula upper end is sleeved on hollow
In the suit butt hole of pin lower end, air filter film is pushed down in the lower surface for connecting seat pipe, and steam vent is interlinked with end face venthole.Its pin
The structure of sleeve pipe and pin fixed seat for ease of axial core-pulling, compacting tool set complex structure, molding compacting efficiency it is low, product it is comprehensive
High cost is closed, is unfavorable for industrialization.
Application number：201320756445.3 a kind of end face exhausting low resistance medicine feeding needle is disclosed, including hollow needle, needle guard
Pipe, pin fixed seat and air-filtering membrane, are provided with steam vent in the side of the shield needle tubing of needle cannula；In the butt hole of pin fixed seat
Bottom is provided with the end face venthole interlinked with the external world, is provided with air-filtering membrane in the bottom of butt hole, and needle cannula upper end is sleeved on
In the suit butt hole of hollow needle lower end, air-filtering membrane is pushed down in the lower surface for connecting seat pipe, and steam vent is communicated with end face venthole
Even.
The air filtration pin of prior art needs to make the passage of sleeve pipe front end higher than plug when medicinal liquid is suctioned out
Highest point, can just be such that gas smoothly enters in bottle, can so cause the medicinal liquid less than plug highest point part inhale
Go out, cause to waste, and need constantly to adjust the position of draw point during medicinal liquid is suctioned out, draw point front end is less than liquid level, uses
Waste time and energy.
The content of the invention
It is an object of the invention to provide medicinal liquid can be suctioned out and using easy and convenient air by a kind of simple structure completely
Filter pin.
The technical scheme is that：
Air filtration pin, including draw point, upper needle stand, lower needle stand and filter membrane, draw point front end side wall are provided with passage, on
Needle stand is from top to bottom sequentially provided with vertebral body, the first cylinder, the second cylinder and the 3rd cylinder, and upper vertebral body small end inner diameter is equal to draw point
External diameter, the big end of upper vertebral body is connected with the upper end of the first cylinder, and on the side wall of upper vertebral body, circumference uniform distribution is provided with multiple strips
The inlet opening of shape, at grade, the internal diameter of the 3rd cylinder is equal to the internal diameter of the second cylinder for inlet opening and draw point axis, and the 3rd
External diameter of the external diameter of cylinder less than the second cylinder, the lower needle stand are from top to bottom sequentially provided with connector drum, square casing and cone
Head cavity, is provided with columnar draw point chamber inside connector drum, the internal diameter in draw point chamber is equal to the external diameter of draw point, draw point insertion draw point chamber
It is interior, it is perpendicularly inward on a side wall of square casing to be provided with columnar filtering holes, filtering holes upper side wall and draw point chamber side side
Wall is connected, and filtering holes lower wall is connected with draw point chamber opposite side side wall, and filtering holes are connected with draw point chamber, are provided with filtering holes
Filter membrane, with connector drum interference fit inside the 3rd cylinder insertion connector drum.
When air filtration pin of the present invention is used, upper vertebral body is inserted into inside plug, medicinal liquid is entered into by inlet opening
Inside vertebral body, gap between the first cylinder medial wall and draw point lateral wall, the second cylinder medial wall and steel are passed sequentially through downwards
Outside gap between pin lateral wall, the gap between the 3rd cylinder medial wall and draw point chamber lateral wall and square casing and draw point chamber
Gap between the wall of side is entered in conehead chamber.Meanwhile, outside air is entered in filtering holes by filter membrane, from draw point chamber to
On enter in draw point, eventually through in draw point front end side wall passage discharge.
Feed pathway of the present invention and air duct are all very big, and it is little to take out medicine pressure, operates easy and convenient.Meanwhile, the present invention enters
On upper vertebral body, after upper vertebral body insertion plug, medicine feeding hole is located at plug lowest point to medicine hole position, can suction out the medicinal liquid in plug
Completely.During use, it is not necessary to which draw point front end is located at below liquid level, liquid level during suctioning out medicinal liquid, need not be adjusted, using light
Loose measure is just.
Upper end of the upper end in the draw point chamber higher than connector drum.
Height of the height of the 3rd cylinder less than connector drum.
The upper needle stand also includes the 4th cylinder, and the lower end of the 4th cylinder is connected with the small end of upper vertebral body, the 4th cylinder
Internal diameter be equal to the external diameter of draw point, the external diameter of the 4th cylinder is equal to the external diameter of upper vertebral body small end.
The setting of draw point lateral wall is close in 4th cylinder medial wall, makes in vertebral body insertion plug easily easily.
External diameter of the external diameter of first cylinder less than the second cylinder, the first cylinder lateral wall lower circumferential is laid with many
Individual brace rod, the lower end of brace rod are vertically connected with the upper end end face of the second cylinder, on the outside of the inner side of brace rod and the first cylinder
Wall is vertically connected, and the height of brace rod is less than the height of the first cylinder.
Brace rod can prevent needle stand to be completely inserted in plug.Air filtration pin in the case where plug is thicker, only
Epicentral medicine feeding hole part is needed to spill on the inside of plug.
The medial wall of the filtering holes is provided with groove, and the internal diameter of groove is more than the internal diameter of filtering holes, and the filter membrane surpasses
Sonic soldering is connected on inside grooves.
Be additionally provided with gland in the filtering holes, the gland includes the lid and columnar interior plug of circle, lid it is straight
Diameter of the footpath more than filtering holes, in the interior plug insertion filtering holes of gland and with filtering holes interference fit, lid is provided with multiple logical
Hole.
The present invention has the advantages and positive effects that：Simple structure, it is easy to use, the waste of medicinal liquid can be avoided.
Description of the drawings
Fig. 1 is air filtration needle construction schematic diagram of the present invention
Fig. 2 is air filtration pin section view of the present invention
Fig. 3 is air filtration pin explosive view of the present invention
Fig. 4 is needle stand structure schematic diagram on air filtration pin of the present invention
Fig. 5 is needle stand structure schematic diagram under air filtration pin of the present invention
In figure：
1st, draw point 2, upper needle stand 3, lower needle stand 4, filter membrane 5, filter membrane gland
11st, passage 21, inlet opening 22, upper vertebral body 23, the first cylinder 24, the second cylinder
25th, the 3rd cylinder 26, the 4th cylinder 27, brace rod 31, connector drum 32, draw point chamber
33rd, square casing 34, conehead chamber 35, filtering holes 36, filtering holes upper side wall 37, filtering holes lower wall
Specific embodiment
As shown in Figure 1, Figure 2, Figure 3 shows, air filtration pin, including draw point 1, upper needle stand 2, lower needle stand 3 and filter membrane 4, draw point 1
Front end side wall is provided with passage 11, as shown in figure 4, upper needle stand 2 be from top to bottom sequentially provided with vertebral body 22, the first cylinder 23,
Second cylinder 24 and the 3rd cylinder 25,22 small end inner diameter of upper vertebral body be equal to draw point 1 external diameter, the big end of upper vertebral body 22 with first
The upper end of body 23 is connected, and on the side wall of upper vertebral body 22, circumference uniform distribution is provided with the inlet opening 21 of multiple strips, inlet opening 21 with
At grade, the internal diameter of the 3rd cylinder 25 is equal to the internal diameter of the second cylinder 24 to 1 axis of draw point, and the external diameter of the 3rd cylinder 25 is little
In the external diameter of the second cylinder 24, as shown in figure 5, lower needle stand 3 is from top to bottom sequentially provided with connector drum 31, square casing 33 and cone
Head cavity 34, is provided with columnar draw point chamber 32 inside connector drum 31, the internal diameter in draw point chamber 32 is equal to the external diameter of draw point 1, draw point 1
It is in insertion draw point chamber 32, perpendicularly inward on a side wall of square casing 33 to be provided with columnar filtering holes 35, in filtering holes 35
Side wall is connected with 32 side side wall of draw point chamber, and 35 lower wall of filtering holes is connected with 32 opposite side side wall of draw point chamber, filtering holes 35 with
Draw point chamber 32 is connected, and is provided with filter membrane 4, with connector drum 31 inside the insertion connector drum 31 of the 3rd cylinder 25 in filtering holes 35
Interference fit.
Further, upper end of the upper end in draw point chamber 32 higher than connector drum 31.The height of the 3rd cylinder 25 is less than connection
The height of cylinder 31.Upper needle stand 2 can further include the 4th cylinder 26, and the lower end of the 4th cylinder 26 is little with upper vertebral body 22
End is connected, and the internal diameter of the 4th cylinder 26 is equal to the external diameter of draw point 1, and the external diameter of the 4th cylinder 26 is equal to the outer of 22 small end of upper vertebral body
Footpath.The setting of 1 lateral wall of draw point is close in 4th cylinder, 26 medial wall, makes in the insertion plug of vertebral body 22 easily easily.
External diameter of the external diameter of the first cylinder 23 less than the second cylinder 24,23 lateral wall lower circumferential of the first cylinder are laid with
Multiple brace rods 27, the lower end of brace rod 27 are vertically connected with the upper end end face of the second cylinder 24, the inner side of brace rod 27 and the
One cylinder, 23 lateral wall is vertically connected, and the height of brace rod 27 is less than the height of the first cylinder 23.
Brace rod 27 can prevent needle stand 2 to be completely inserted in plug.In the case where plug is thicker, it is only necessary to upper vertebra
22 part of medicine feeding hole on body 21 is spilt on the inside of plug.
The medial wall of filtering holes 35 is provided with groove, and the internal diameter of groove is more than the internal diameter of filtering holes 35,4 ultrasonic bond of filter membrane
It is connected on inside grooves.Gland 5 is additionally provided with filtering holes 35, gland 5 includes the lid and columnar interior plug of circle, lid
With diameter greater than the diameter of filtering holes 35, in the interior plug insertion filtering holes 35 of gland 5 and with 35 interference fit of filtering holes, set on lid
There are multiple through holes.
When air filtration pin of the present invention is used, upper vertebral body 22 is inserted into inside plug, medicinal liquid is entered by inlet opening 21
To inside upper vertebral body 22, gap between 1 lateral wall of 23 medial wall of the first cylinder and draw point, the second cylinder 24 are passed sequentially through downwards
The gap between gap, 32 lateral wall of 25 medial wall of the 3rd cylinder and draw point chamber and side between 1 lateral wall of medial wall and draw point
Gap between 32 lateral wall of shape housing 33 and draw point chamber is entered in conehead chamber 34.Meanwhile, outside air is entered by filter membrane 4
Enter in filtering holes 35, be upwardly into from inside draw point chamber 32 in draw point 1, eventually through the ventilation in 1 front end side wall of draw point
Discharge in hole 11.Feed pathway of the present invention and air duct are all very big, and it is little to take out medicine pressure, operates easy and convenient.Meanwhile, the present invention enters
Medicine hole 21 is located on upper vertebral body 22, and after the insertion plug of upper vertebral body 22, medicine feeding hole 21 is located at plug lowest point, can be by plug
Medicinal liquid suctions out complete.During use, it is not necessary to which 1 front end of draw point is located at below liquid level, during suctioning out medicinal liquid, liquid need not be adjusted
Face, using easy and convenient.
Above one embodiment of the present of invention is described in detail, but the content has been only the preferable enforcement of the present invention
Example, it is impossible to be considered as limiting practical range of the invention.All impartial changes made according to the present patent application scope and improvement
Deng, still all should belong to the present invention patent covering scope within.
Claims (7)
1. air filtration pin, including draw point, upper needle stand, lower needle stand and filter membrane, draw point front end side wall are provided with passage, and which is special
Levy and be：Upper needle stand is from top to bottom sequentially provided with vertebral body, the first cylinder, the second cylinder and the 3rd cylinder, in upper vertebral body small end
Footpath is equal to the external diameter of draw point, and the big end of upper vertebral body is connected with the upper end of the first cylinder, and on the side wall of upper vertebral body, circumference uniform distribution sets
There is the inlet opening of multiple strips, with draw point axis at grade, the internal diameter of the 3rd cylinder is equal to the second cylinder to inlet opening
Internal diameter, the external diameter of the external diameter of the 3rd cylinder less than the second cylinder, the lower needle stand be from top to bottom sequentially provided with connector drum, side
Shape housing and conehead chamber, are provided with columnar draw point chamber inside connector drum, the internal diameter in draw point chamber is equal to the external diameter of draw point, draw point
Insertion draw point intracavity, it is perpendicularly inward on a side wall of square casing to be provided with columnar filtering holes, filtering holes upper side wall and steel
Needle cavity side side wall is connected, and filtering holes lower wall is connected with draw point chamber opposite side side wall, and filtering holes are connected with draw point chamber, filters
Filter membrane is provided with hole, with connector drum interference fit inside the 3rd cylinder insertion connector drum.
2. air filtration pin according to claim 1, it is characterised in that：The upper end in the draw point chamber is higher than connector drum
Upper end.
3. air filtration pin according to claim 2, it is characterised in that：The height of the 3rd cylinder is less than connector drum
Height.
4. air filtration pin according to claim 1, it is characterised in that：The upper needle stand also include the 4th cylinder, the 4th
The lower end of cylinder is connected with the small end of upper vertebral body, and the internal diameter of the 4th cylinder is equal to the external diameter of draw point, external diameter of the 4th cylinder etc.
In the external diameter of upper vertebral body small end.
5. air filtration pin according to claim 4, it is characterised in that：The external diameter of first cylinder is less than the second cylinder
External diameter, the first cylinder lateral wall lower circumferential is laid with multiple brace rods, the upper end of the lower end of brace rod and the second cylinder
End face is vertically connected, and the inner side of brace rod is vertically connected with the first cylinder lateral wall, and the height of brace rod is less than the first cylinder
Highly.
6. the air filtration pin according to claim 1-5 any one, it is characterised in that：On the medial wall of the filtering holes
Groove is provided with, the internal diameter of groove is more than the internal diameter of filtering holes, and the filter membrane is ultrasonically welded within inside grooves.
7. air filtration pin according to claim 6, it is characterised in that：Gland, the pressure are additionally provided with the filtering holes
Lid includes the lid and columnar interior plug of circle, and the diameter with diameter greater than filtering holes of lid, the interior plug insertion of gland are filtered
In hole and with filtering holes interference fit, lid is provided with multiple through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710048605.1A CN106580698B (en) | 2017-01-22 | 2017-01-22 | Air filtering needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710048605.1A CN106580698B (en) | 2017-01-22 | 2017-01-22 | Air filtering needle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106580698A true CN106580698A (en) | 2017-04-26 |
| CN106580698B CN106580698B (en) | 2024-01-26 |
Family
ID=58586427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710048605.1A Active CN106580698B (en) | 2017-01-22 | 2017-01-22 | Air filtering needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106580698B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4723955A (en) * | 1986-06-02 | 1988-02-09 | Manresa, Inc. | Suction needle providing vent capability |
| CN2693258Y (en) * | 2004-04-19 | 2005-04-20 | 王希平 | Combined type dosage/injection needle |
| CN2782115Y (en) * | 2005-02-03 | 2006-05-24 | 王希平 | Self-inflation bottle insertion needle |
| CN201042519Y (en) * | 2007-05-24 | 2008-04-02 | 山东新华安得医疗用品有限公司 | Disposable medicine dispensing needle |
| CN201127754Y (en) * | 2007-12-27 | 2008-10-08 | 山东新华安得医疗用品有限公司 | Disposable plastic-steel medicine dispensing device |
| CN201220016Y (en) * | 2008-07-11 | 2009-04-15 | 王慧美 | Puncture outfit for steel plastic bottle |
| CN203694254U (en) * | 2014-02-09 | 2014-07-09 | 圣光医用制品有限公司 | Bottle stopper puncture device |
| CN105832547A (en) * | 2016-05-27 | 2016-08-10 | 浙江康德莱医疗器械股份有限公司 | Bidirectional filter dispensing injection needle |
| CN105943383A (en) * | 2016-05-27 | 2016-09-21 | 浙江康德莱医疗器械股份有限公司 | A unidirectional filter medicine preparation injection needle |
-
2017
- 2017-01-22 CN CN201710048605.1A patent/CN106580698B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4723955A (en) * | 1986-06-02 | 1988-02-09 | Manresa, Inc. | Suction needle providing vent capability |
| CN2693258Y (en) * | 2004-04-19 | 2005-04-20 | 王希平 | Combined type dosage/injection needle |
| CN2782115Y (en) * | 2005-02-03 | 2006-05-24 | 王希平 | Self-inflation bottle insertion needle |
| CN201042519Y (en) * | 2007-05-24 | 2008-04-02 | 山东新华安得医疗用品有限公司 | Disposable medicine dispensing needle |
| CN201127754Y (en) * | 2007-12-27 | 2008-10-08 | 山东新华安得医疗用品有限公司 | Disposable plastic-steel medicine dispensing device |
| CN201220016Y (en) * | 2008-07-11 | 2009-04-15 | 王慧美 | Puncture outfit for steel plastic bottle |
| CN203694254U (en) * | 2014-02-09 | 2014-07-09 | 圣光医用制品有限公司 | Bottle stopper puncture device |
| CN105832547A (en) * | 2016-05-27 | 2016-08-10 | 浙江康德莱医疗器械股份有限公司 | Bidirectional filter dispensing injection needle |
| CN105943383A (en) * | 2016-05-27 | 2016-09-21 | 浙江康德莱医疗器械股份有限公司 | A unidirectional filter medicine preparation injection needle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106580698B (en) | 2024-01-26 |
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