CN102940576A - Disposable full-closed dosing needle - Google Patents
Disposable full-closed dosing needle Download PDFInfo
- Publication number
- CN102940576A CN102940576A CN2012104433703A CN201210443370A CN102940576A CN 102940576 A CN102940576 A CN 102940576A CN 2012104433703 A CN2012104433703 A CN 2012104433703A CN 201210443370 A CN201210443370 A CN 201210443370A CN 102940576 A CN102940576 A CN 102940576A
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- China
- Prior art keywords
- needle
- dosing
- syringe
- medicine
- pressure
- 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.)
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- 239000003814 drug Substances 0.000 claims abstract description 60
- 239000007788 liquid Substances 0.000 claims abstract description 54
- 210000004761 scalp Anatomy 0.000 claims abstract description 8
- 230000001105 regulatory effect Effects 0.000 claims description 13
- 238000001467 acupuncture Methods 0.000 claims description 6
- 230000036772 blood pressure Effects 0.000 claims description 6
- 238000011109 contamination Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 238000001990 intravenous administration Methods 0.000 abstract description 2
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 239000002904 solvent Substances 0.000 description 9
- 229940079593 drug Drugs 0.000 description 6
- 238000012840 feeding operation Methods 0.000 description 5
- 239000000243 solution Substances 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 241001411320 Eriogonum inflatum Species 0.000 description 1
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 1
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000008103 glucose Substances 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention belongs to the technical field of medical articles, in particular to a disposable full-closed dosing needle. Clinically, an injector is normally used in dosing operation for intravenous drip, and the probability of medicine contamination is increased when the plunger of the injector is contaminated during dosing, the needle pierces the plugs of medicine bottles and liquid bottles for multiple times, the outside air is injected into the medicine bottle as liquid medicine is sucked and the needle is exposed in the air. In the technical scheme of the invention, the disposable full-closed dosing needle comprises dosing needles and a soft dosing tube or the dosing needles, the soft dosing tube and a pressure-regulating scalp needle; the dosing needles are mounted on both ends of the soft dosing tube, and are a type A dosing needle with a side hole and a type B dosing needle with an end hole; and the pressure-regulating scalp needle comprises a pressure-regulating needle and a soft tube. The disposable full-closed dosing needle is applicable to the dosing operation of all rubber plug type medicine bottles, liquid bottles and the like, and utilizes the difference between the pressure in a medicine bottle and the pressure in a liquid bag and the aseptic air to carry out the dosing process under the closed state, thus decreasing the probability of medicine contamination.
Description
Technical field
The invention belongs to field of medical article technology, specifically a kind of disposable use total enclosing medicine feeding needle that is applicable to plug class medicine bottle, liquid bag, liquid bottle.
Background technology
In clinical; in order to reduce the pollution of intravenous drip therapeutic process Chinese medicine; the totally enclosed infusion model of many employings; but in the operation of dosing; be about to the solvent mixed dissolutions such as airtight bottled medicine and bottled or packed glucose, normal saline; medical personnel use syringe to extract a little solvent usually from the liquid bag, inject the medicine bottle dissolved substance, extract drug solution out (often can take out some air Injection medicine bottles) again and add in the liquid bag.This dosing method syringe piston easily pollutes, syringe needle repeatedly during bottle stopper, the aspiration medicinal liquid of penetration of vials and liquid bottle outside air inject medicine bottle and be exposed to the probability that airborne syringe needle has all increased drug contamination, and because existing medicine machine syringe needle is long, for guaranteeing the whole sucking-offs of the medicinal liquid in the medicine bottle, need to adjust the degree of depth that syringe needle thrusts medicine bottle plug, the time phenomenons such as syringe needle is deviate from, medicine liquid leakage, headroom loss are arranged, can't guarantee that not only syringe needle is aseptic, be difficult to guarantee simultaneously the accuracy of clinical treatment drug dose.
Summary of the invention
The objective of the invention is provides a kind of disposable use total enclosing medicine feeding needle for clinical, easy to use, has reduced the chance of drug contamination, has overcome the defective of prior art, has realized that total enclosing, zero pollutes dosing.
Technical scheme of the present invention is: formed or be comprised of Medicated needle of syringe, dosing flexible pipe and adjust blood pressure scalp acupuncture by Medicated needle of syringe, dosing flexible pipe;
Medicated needle of syringe is equipped with respectively at the two ends of dosing flexible pipe; Medicated needle of syringe is divided into A type Medicated needle of syringe and Type B Medicated needle of syringe, and the liquid outlet of A type Medicated needle of syringe is positioned at the syringe needle sidepiece, and the liquid outlet of Type B Medicated needle of syringe is positioned at needle tip;
The adjust blood pressure scalp acupuncture comprises pressure regulating needle, flexible pipe, and an end of flexible pipe is equipped with pressure regulating needle, and the other end is provided with the syringe union joint; The liquid outlet of pressure regulating needle is positioned at the syringe needle sidepiece.
Further, described A type Medicated needle of syringe length is 1.0～1.2cm; The length of described Type B Medicated needle of syringe is 0.6～1.0cm.
Further, described pressure regulating needle length is 3.0～3.5cm.
Advantage of the present invention is: simple in structure, easy to use, reduced drug loss, and be applicable to the feeding operations of all plug class medicine bottles, liquid bag, liquid bottle; The present invention utilizes pressure differential or the aseptic gas in medicine bottle and the solvent bottle (bag), finishes feeding operations under the state of total enclosing.The medicine of medicine bottle and solvent dissolving are to dissolve under less than or equal to atmospheric pressure, dissolution velocity is obviously faster than the conventional syringe dosing, and reduced the number of times of needle pierces plug, overcome prior art syringe piston, plug, surrounding air, syringe needle and be exposed to the medium defective that causes drug contamination of air.
Below in conjunction with the drawings and specific embodiments technical scheme of the present invention is elaborated.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention 1;
Fig. 2 is the schematic diagram of A type Medicated needle of syringe of the present invention;
Fig. 3 is the Type B Medicated needle of syringe schematic diagram of the embodiment of the invention 2;
Fig. 4 is the structural representation of the embodiment of the invention 3;
Fig. 5 is the user mode figure of the embodiment of the invention 3.
The specific embodiment
Among the figure: 1, A type Medicated needle of syringe, 2, the Type B Medicated needle of syringe, 3, the dosing flexible pipe, 4, pressure regulating needle, 5, flexible pipe, 6, the syringe union joint, 7, plug, 8, medicine bottle, 9, syringe.
The present embodiment exists the medicine bottle of pressure differential and the feeding operations of liquid bag (solvent bag) or soft liquid bottle to be example take inside, from Fig. 1---Fig. 2 is as can be known, the present embodiment medicine feeding needle is comprised of A type Medicated needle of syringe 1 and dosing flexible pipe 3, the A type Medicated needle of syringe that a sidepiece has liquid outlet respectively is equipped with at the two ends of dosing flexible pipe 3, and the length of A type Medicated needle of syringe 1 is 1.0～1.2cm; Be applicable to the following medicine bottle of 10ml (medicine bottle self band negative pressure) and the following liquid bag dosing of 250ml.
During use, at first the A type Medicated needle of syringe 1 with total enclosing medicine feeding needle dosing flexible pipe 3 one ends inserts in the plug 7 of liquid bag fully, be inverted the liquid bag, A type Medicated needle of syringe with dosing flexible pipe 3 other ends inserts in the medicine bottle 8 again, make the side liquid outlet of Medicated needle of syringe just pass plug 7, the residual volume that guarantees medicinal liquid is zero; Because there is pressure differential in medicine bottle 8 self band negative pressure between medicine bottle 8 and the liquid bag, namely medicine bottle 8 internal pressures are less than liquid bag internal pressure, and the liquid in liquid bag solvents such as () normal saline flows into medicine bottle 8 automatically under differential pressure action; After medicine, liquid fully dissolve, upset liquid bag makes plug upwards, the squeezed fluid bag, the aseptic gas of liquid level top in the bag is clamp-oned medicine bottle 8, this moment, medicine bottle 8 interior pressure raise, and reduced liquid bag external pressure, and then the medicinal liquids in the medicine bottle 8 flow back to the liquid bag under differential pressure action, whole dosing process is finished under the environment of total enclosing, has guaranteed that zero of medicinal liquid pollutes.
As can be seen from Figure 3, the present embodiment as different from Example 1: the Medicated needle of syringe in the present embodiment is the Type B Medicated needle of syringe that the top has liquid outlet, is equally applicable to that 10ml is following and self is with medicine bottle and the following liquid bag dosing of 250ml of negative pressure; The length that penetrates the Type B Medicated needle of syringe of medicine bottle 8 plugs is 0.6～0.8cm, the Type B Medicated needle of syringe length that penetrates the liquid bottle plug is 0.8～1.0cm, just pass plug and be positioned at plug inner face (being positioned at the medicinal liquid bottom when namely being inverted medicine bottle) with the stomidium that guarantees syringe needle, the residual volume that guarantees medicinal liquid is zero.
The present embodiment is example take inside without the medicine bottle of pressure differential and liquid bottle (solvent bottle) or liquid bag feeding operations, and as can be seen from Figure 4, different from embodiment 1, embodiment 2 is that the present embodiment total enclosing medicine feeding needle is comprised of Medicated needle of syringe, dosing flexible pipe 3 and adjust blood pressure scalp acupuncture; An A type Medicated needle of syringe respectively is equipped with at the two ends of dosing flexible pipe 3; The adjust blood pressure scalp acupuncture comprises pressure regulating needle 4 and flexible pipe 5, and flexible pipe 5 one ends are provided with syringe union joint 6, and the other end is equipped with the pressure regulating needle 4 that length is 3.0～3.5cm, and the liquid outlet of pressure regulating needle 4 is positioned at the syringe needle sidepiece.
Feeding operations is seen Fig. 5, at first use the dosing flexible pipe 3 that Medicated needle of syringe is equipped with at two ends to connect medicine bottle and liquid bottle or liquid bag (this step is identical with embodiment 1), the syringe union joint 6 of flexible pipe 5 connects disposable syringe, pressure regulating needle 4 is penetrated medicine bottle, the filtrated air that utilizes syringe 9 to extract in the bottle, make the interior pressure differential that produces of medicine bottle 8 and liquid bottle, then the solvent in the liquid bottle flows into medicine bottles 8 through dosing flexible pipe 3; Until medicine with after solvent mixes, again the aseptic gas in the syringe 9 is pressed into medicine bottle 8, gas is pressed Back flow bottle (this operates capable of circulation carrying out) with the medicinal liquid in the medicine bottle 8, when pressure is inadequate, can utilize the aseptic gas in liquid bottle or the liquid bag to replenish, finish the operation of dosing, the process of whole dosing is all finished in airtight environment.
The above detailed description of technical solution of the present invention being carried out by preferred embodiment is schematic but not pro forma restriction.Those skilled in the art is on the basis of reading description of the present invention, can make amendment to the technical scheme that embodiment puts down in writing, perhaps part technical characterictic wherein is equal to replacement, and these modifications or replacement do not make the essence of appropriate technical solution break away from the scope of embodiment of the invention technical scheme.
Claims (3)
1. a disposable use total enclosing medicine feeding needle is characterized in that: formed or be comprised of Medicated needle of syringe, dosing flexible pipe and adjust blood pressure scalp acupuncture by Medicated needle of syringe, dosing flexible pipe (3);
Medicated needle of syringe is equipped with respectively at the two ends of dosing flexible pipe (3); Medicated needle of syringe is divided into A type Medicated needle of syringe (1) and Type B Medicated needle of syringe (2), and the liquid outlet of A type Medicated needle of syringe (1) is positioned at the syringe needle sidepiece, and the liquid outlet of Type B Medicated needle of syringe (2) is positioned at needle tip;
The adjust blood pressure scalp acupuncture comprises pressure regulating needle (4), flexible pipe (5), and an end of flexible pipe (5) is equipped with pressure regulating needle (4), and the other end is provided with syringe union joint (6); The liquid outlet of pressure regulating needle (4) is positioned at the syringe needle sidepiece.
2. a kind of disposable use total enclosing medicine feeding needle according to claim 1, it is characterized in that: described A type Medicated needle of syringe (1) length is 1.0～1.2cm; The length of described Type B Medicated needle of syringe (2) is 0.6～1.0cm.
3. a kind of disposable use total enclosing medicine feeding needle according to claim 1, it is characterized in that: described pressure regulating needle (4) length is 3.0～3.5cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104433703A CN102940576A (en) | 2012-11-08 | 2012-11-08 | Disposable full-closed dosing needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104433703A CN102940576A (en) | 2012-11-08 | 2012-11-08 | Disposable full-closed dosing needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102940576A true CN102940576A (en) | 2013-02-27 |
Family
ID=47723643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012104433703A Pending CN102940576A (en) | 2012-11-08 | 2012-11-08 | Disposable full-closed dosing needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102940576A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105878016A (en) * | 2015-01-04 | 2016-08-24 | 于英华 | Disposable leakage preventing closed dosing needle |
| CN110624173A (en) * | 2019-10-12 | 2019-12-31 | 南通大学附属医院 | A non-invasive gynecological nursing medication device |
| CN113543761A (en) * | 2019-01-18 | 2021-10-22 | 西医药服务以色列有限公司 | Liquid delivery device for Intravenous (IV) bottles |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2220285Y (en) * | 1995-01-23 | 1996-02-21 | 张英 | Disposable medicine feeding apparatus |
| CN102205155A (en) * | 2011-05-20 | 2011-10-05 | 欧立 | Doser for transfusion |
| CN202892434U (en) * | 2012-11-08 | 2013-04-24 | 于英华 | Disposable totally-enclosed medicine feeding needle |
-
2012
- 2012-11-08 CN CN2012104433703A patent/CN102940576A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2220285Y (en) * | 1995-01-23 | 1996-02-21 | 张英 | Disposable medicine feeding apparatus |
| CN102205155A (en) * | 2011-05-20 | 2011-10-05 | 欧立 | Doser for transfusion |
| CN202892434U (en) * | 2012-11-08 | 2013-04-24 | 于英华 | Disposable totally-enclosed medicine feeding needle |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105878016A (en) * | 2015-01-04 | 2016-08-24 | 于英华 | Disposable leakage preventing closed dosing needle |
| CN113543761A (en) * | 2019-01-18 | 2021-10-22 | 西医药服务以色列有限公司 | Liquid delivery device for Intravenous (IV) bottles |
| CN110624173A (en) * | 2019-10-12 | 2019-12-31 | 南通大学附属医院 | A non-invasive gynecological nursing medication device |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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Application publication date: 20130227 |