CN202892434U - Disposable totally-enclosed medicine feeding needle - Google Patents
Disposable totally-enclosed medicine feeding needle Download PDFInfo
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- CN202892434U CN202892434U CN 201220585822 CN201220585822U CN202892434U CN 202892434 U CN202892434 U CN 202892434U CN 201220585822 CN201220585822 CN 201220585822 CN 201220585822 U CN201220585822 U CN 201220585822U CN 202892434 U CN202892434 U CN 202892434U
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- needle
- medicine
- medicine feeding
- syringe
- liquid
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Abstract
The utility model belongs to the technical field of medical supplies and particularly relates to a disposable totally-enclosed medicine feeding needle. Clinically, an injection syringe is usually used for intravenous drip medicine feeding operation, and during medicine feeding, medicine contamination probability is increased by syringe piston contamination, multiple piercing of bottle plugs of medicine bottles and liquid bottles by needle heads, injection of outside air into the medicine bottles during liquid medicine suction and the needle heads exposed to the air. The technical scheme includes that the disposable totally-enclosed medicine feeding needle comprises medicine feeding needle heads and a medicine feeding hose or medicine feeding needle heads, a medicine feeding hose and a pressure-regulating scalp needle, the medicine feeding needle heads are mounted at two ends of the medicine feeding hose and are type-A medicine feeding needle heads with side holes or type-B medicine feeding needle heads with end holes, and the pressure-regulating scalp needle comprises a pressure-regulating needle head and a hose. The disposable totally-enclosed medicine feeding needle is applicable to medicine feeding operation for all the rubber plug type medicine bottles, all the rubber plug type liquid bottles and the like, differential pressure and sterile gas in the medicine bottles and liquid bags are used to enable medicine feeding to be completed in the enclosed state, and medicine contamination probability is decreased.
Description
Technical field
This utility model 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 purpose of this utility model is to provide a kind of disposable use total enclosing medicine feeding needle for clinical, and is easy to use, reduced the chance of drug contamination, overcome the defective of prior art, realized that total enclosing, zero pollutes dosing.
The technical solution of the utility model 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.
The utility model has the advantages that: simple in structure, easy to use, reduced drug loss, be applicable to the feeding operations of all plug class medicine bottles, liquid bag, liquid bottle; This utility model 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 the technical solution of the utility model is elaborated.
Description of drawings
Fig. 1 is the structural representation of this utility model embodiment 1;
Fig. 2 is the schematic diagram of this utility model A type Medicated needle of syringe;
Fig. 3 is the Type B Medicated needle of syringe schematic diagram of this utility model embodiment 2;
Fig. 4 is the structural representation of this utility model embodiment 3;
Fig. 5 is the user mode figure of this utility model embodiment 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 solutions of the utility model being carried out by preferred embodiment is schematic but not pro forma restriction.Those skilled in the art is on the basis of reading this utility model description, 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 this utility model embodiment 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 |
|---|---|---|---|
| CN 201220585822 CN202892434U (en) | 2012-11-08 | 2012-11-08 | Disposable totally-enclosed medicine feeding needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220585822 CN202892434U (en) | 2012-11-08 | 2012-11-08 | Disposable totally-enclosed medicine feeding needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202892434U true CN202892434U (en) | 2013-04-24 |
Family
ID=48113160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220585822 Expired - Fee Related CN202892434U (en) | 2012-11-08 | 2012-11-08 | Disposable totally-enclosed medicine feeding needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202892434U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102940576A (en) * | 2012-11-08 | 2013-02-27 | 于英华 | Disposable full-closed dosing needle |
-
2012
- 2012-11-08 CN CN 201220585822 patent/CN202892434U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102940576A (en) * | 2012-11-08 | 2013-02-27 | 于英华 | Disposable full-closed dosing needle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130424 Termination date: 20151108 |
|
| EXPY | Termination of patent right or utility model |