CN2538344Y - Safety medicine solution apparatus - Google Patents
Safety medicine solution apparatus Download PDFInfo
- Publication number
- CN2538344Y CN2538344Y CN 02216078 CN02216078U CN2538344Y CN 2538344 Y CN2538344 Y CN 2538344Y CN 02216078 CN02216078 CN 02216078 CN 02216078 U CN02216078 U CN 02216078U CN 2538344 Y CN2538344 Y CN 2538344Y
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- China
- Prior art keywords
- needle
- liquid
- stand
- medicine
- pinhead
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- Expired - Fee Related
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- Medical Preparation Storing Or Oral Administration Devices (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model provides a safe medicine dissolving machine, which belongs to the medical appliance technology filed, which solves the problems that the current injection medicine adding machine with glass fragment, a medical power grain or rubber chip can enter into the blood of human body with the liquid medicine and brings dangers to the human body of the patient. The safe medicine dissolving machine comprises a pinhead stand and a pinhead, a needle tube and a needle tube stand are suited outside the pinhead, a certain gap is arranged between the pinhead and the needle tube, the needle tube stand and the pin stand are connected fixedly, a ventilation opening is arranged at the sides of the needle tube stand, a layer of air filtering film is arranged in the ventilation opening, a ventilation hole is arranged at the front part of the needle tube, the centre of the needle stand is a hollow cavity for the liquid medicine passing through, a liquid outlet opening of the pinhead stand and the rear end of the pinhead is communicated with a hollow cavity, a layer of liquid medicine filtering film is arranged in the hollow cavity. With adopting the way of double filtration, the utility model can not only meet the sanitary requirements during dispensing process, but also can prevent medicine powder, rubber chip and other grains entering into the infusion bottle or the syringe and ensure the patients use safely and reliably.
Description
Technical field
This utility model relates to technical field of medical instruments, particularly a kind of medicine dissolving and adding utensil.
Background technology
At present, venous transfusion and injection are treatment meanss the most frequently used in the medical treatment.Before infusing, often need some powder and liquid of glucose or liquor is formulated together.Concrete operational approach is: syringe is inserted extract a spot of medicinal liquid in the medicinal liquid bottle; Extract syringe then and insert in the powdered medicine bottle, medicinal liquid is injected powdered medicine bottle; After treating that medicated powder and medicinal liquid dissolve fully, extract mixed liquor again out and inject in infusion bottle or the direct suction injection tube.In the above process of making up a prescription,,, operation is required great effort very much so can produce certain draught head when operating because medicine bottle is hermetically-sealed construction.
The application number that the inventor proposes is: 012541443 utility application " Medicine adder for injection " is just at technical solution that this problem provided.This Medicine adder for injection is socket needle tubing and a needle tubing seat outside syringe needle, and needle tubing is fixed on the needle tubing seat, and needle tubing seat and needle holder are fixed together, and the sidepiece of needle tubing seat is provided with blow vent.The supporting use of this Medicine adder for injection and syringe utilizes in the space of air between syringe needle and needle tubing and circulates, and keeps the inside and outside air pressure balance of medicine bottle, and is very laborsaving when therefore operating, and can increase work efficiency.
But when reality was used above-mentioned Medicine adder for injection, the inventor found that this product also exists certain weak point.Main cause is in the process of making up a prescription, and when lysate or medicinal liquid, owing to delineate bottleneck with grinding wheel, the glass fragment that produces when cracking bottleneck is fallen in the medicine bottle easily in extracting ampoule bottle; Solid medicated powder is when making up a prescription dissolving, because the operating time is short, the deliquescent difference of solid medicated powder, has the part granule to fail to dissolve; Simultaneously, when drug feeding device puncture rubber, easily make the rubber stopper breakage, produce rubber scraps and enter in the medicinal liquid.Like this, when using Medicine adder for injection to extract medicinal liquid, glass fragment, part medicated powder granule or rubber scraps also are drawn into.When carrying out venous transfusion or injection to patient, these chips or granule directly enter in the blood of human body, with blood circulation meeting artery-clogging, bring harm to patient body, even threat to life.When carrying out intramuscular injection to patient, these granules and chip can stimulate the muscle of injection site, bring painful sensation to patient.
Summary of the invention
The purpose of this utility model is at the existing above-mentioned defective of existing medicine dissolving and adding utensil; a kind of safety medicine dissolving device is provided; make that it is not only easy to use, prevent that airborne pathogen and dust particle from entering in the medicinal liquid; and prevent that solid particles such as medicated powder, glass fragment or rubber scraps from entering institute's vehicle and enter in the patient body, guarantee that patient safety uses.
The purpose of this utility model has adopted following technical proposal to realize: the safety medicine dissolving device comprises needle holder and the syringe needle that is fixed on the needle holder, liquid outlet is arranged on the needle holder, liquid-through hole is arranged in the syringe needle, outer socket needle tubing of syringe needle and needle tubing seat, needle tubing is fixed on the needle tubing seat, certain space is arranged between syringe needle and the needle tubing, needle tubing seat and needle holder are fixed together, the sidepiece of needle tubing seat is provided with blow vent, one deck air filtration film is set in the blow vent, and the front portion of needle tubing is provided with passage, and the needle holder center is a cavity that supplies medicinal liquid to pass through, the terminal of the liquid outlet of needle holder and syringe needle all communicates with cavity, and one deck liquid medicine filtering membrane is set in cavity.
In structure of the present utility model; except avoiding by the air filtration film airborne microgranule enters; also the liquid medicine filtering membrane by being provided with in needle holder enters in the infusion bottle glass fragment, medicated powder or rubber scraps in the medicinal liquid, can use safely to guarantee the patient.
Above-mentioned liquid medicine filtering membrane can with the vertical direction setting of syringe needle.Liquid medicine filtering membrane is separated into two chambers up and down with the cavity of needle holder, and these two chambers communicate with the liquid outlet of needle holder and the liquid-through hole of syringe needle respectively.Medicinal liquid enters upper chamber by the liquid-through hole of syringe needle, behind liquid medicine filtering membrane, by lower chambers to liquid outlet.
Another kind of mode is the liquid medicine filtering membrane direction setting parallel with syringe needle, two chambers about liquid medicine filtering membrane is divided into the cavity of needle holder at this moment.These two chambers communicate with the liquid outlet of needle holder and the liquid-through hole of syringe needle respectively.
Compared with prior art; this utility model is owing to adopted the mode of double filtration; therefore in the process of making up a prescription, not only meet hygienic requirements fully, and can prevent that glass fragment, medicated powder granule or rubber scraps from entering in infusion bottle or the syringe, guarantees that patient safety uses reliably.
Description of drawings
Fig. 1 is the cross-sectional view of an embodiment of the safety medicine dissolving device that provides of this utility model.
Fig. 2 is the cross-sectional view of another embodiment of the safety medicine dissolving device that provides of this utility model.
Fig. 3 is the cutaway view of pinhead seat position among Fig. 2.
Among the figure, 1, syringe needle; 10, liquid-through hole; 10a, liquid-through hole aperture; 2, needle holder; 20, liquid outlet; 21, cavity; 3, needle tubing; 30, passage; 4, needle tubing seat; 5, air filtration film; 6, blow vent; 7, liquid medicine filtering membrane.
The specific embodiment
As depicted in figs. 1 and 2, the safety medicine dissolving device that provides of this utility model comprises syringe needle 1, needle holder 2, needle tubing 3, needle tubing seat 4, air filtration film 5 and liquid medicine filtering membrane 7 etc.Syringe needle 1 and needle holder 2 are close with common structure.In Fig. 1, the liquid-through hole 10 aperture 10a of syringe needle 1 are positioned at syringe needle 1 front end.The liquid-through hole 10 aperture 10a of syringe needle 1 also can be positioned at the sidepiece of syringe needle 1 front end, and structure as shown in Figure 2 is used for preventing that inserting the rubber stopper process at syringe needle 1 produces chip.Needle tubing 3 is fixed in the needle tubing seat 4, and needle tubing 3 is enclosed within the outside of syringe needle 1.But between needle tubing 3 and the syringe needle 1 certain clearance is arranged, this gap passes through for air.In the present embodiment, it is that material is made that syringe needle 1 all adopts rustless steel with needle tubing 3, and needle holder 2 and needle tubing seat 4 adopt plastics to make.Passage 30 is arranged on the needle tubing 3.
As depicted in figs. 1 and 2, the sidepiece of needle tubing seat 4 has blow vent 6, is provided with one deck air filtration film 5 in the blow vent 6.Air filtration film 5 can adopt hydrophobic membrane or examine empty film is that material is made.
The center of needle holder 2 is a cavity 21, and one deck liquid medicine filtering membrane 7 is set in the cavity 21.As shown in Figure 1, in embodiment one, liquid medicine filtering membrane 7 and syringe needle 1 vertical direction setting, i.e. horizontally set.
As shown in Figure 2, liquid medicine filtering membrane 7 has adopted another kind of mode to be provided with, i.e. the parallel direction setting of liquid medicine filtering membrane 7 and syringe needle 1.At this moment, as shown in Figure 3, liquid medicine filtering membrane 7 is separated into two chambers with the cavity 21 of needle holder 2, and each communicates the liquid outlet 20 of needle holder 2 and the end of syringe needle 1 with one of them chamber.After adopting this mode, the area of liquid medicine filtering membrane 7 can make bigger, is beneficial to improve the rate of filtration.
Common and the supporting use of syringe of safety medicine dissolving device.When extracting medicinal liquid, air by blow vent 6 by the space between air filtration film 5 and syringe needle 1 and the needle tubing 3 after, enter in the medicinal liquid bottle through passage 30.Medicinal liquid then by the liquid-through hole 10 of syringe needle 1 behind the cavity 21 of needle holder 2, enter in the injection tube from liquid outlet 20.Through needle holder 2 places the time, medicinal liquid will be by the filtration of liquid medicine filtering membrane 7.Therefore, can not contain granules such as undissolved medicated powder or rubber scraps in the last employed medicinal liquid of patient.Show that through actual detected medicinal liquid is by behind this liquid medicine filtering membrane 7, its rejection rate reaches more than 90%.
The material of this liquid medicine filtering membrane 7 can adopt fibrous membrane or examine empty film and make.
Claims (3)
1, a kind of safety medicine dissolving device, comprise needle holder (2) and be fixed on syringe needle (1) on the needle holder (2), liquid outlet (20) is arranged on the needle holder (2), liquid-through hole (10) is arranged in the syringe needle (1), outer socket needle tubing of syringe needle (1) (3) and needle tubing seat (4), needle tubing (3) is fixed on the needle tubing seat (4), between syringe needle (1) and the needle tubing (3) certain space is arranged, needle tubing seat (4) is fixed together with needle holder (2), the sidepiece of needle tubing seat (4) is provided with blow vent (6), one deck air filtration film (5) is set in the blow vent (6), the front portion of needle tubing (3) is provided with passage (30), it is characterized in that described needle holder (2) center is a cavity (21) that supplies medicinal liquid to pass through, the terminal of the liquid outlet (20) of needle holder (2) and syringe needle (1) all communicates with cavity (21), and one deck liquid medicine filtering membrane (7) is set in cavity (21).
2, safety medicine dissolving device according to claim 1, it is characterized in that described liquid medicine filtering membrane (7) and the vertical direction setting of syringe needle (1), liquid medicine filtering membrane (7) is divided into two chambers up and down with the cavity (21) of needle holder (2), and these two chambers communicate with the liquid outlet (20) of needle holder (2) and the liquid-through hole (10) of syringe needle (1) respectively.
3, safety medicine dissolving device according to claim 1, it is characterized in that the direction setting that described liquid medicine filtering membrane (7) is parallel with syringe needle (1), two chambers about liquid medicine filtering membrane (7) is divided into the cavity (21) of needle holder (2), these two chambers communicate with the liquid outlet (20) of needle holder (2) and the liquid-through hole (10) of syringe needle (1) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02216078 CN2538344Y (en) | 2002-03-09 | 2002-03-09 | Safety medicine solution apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02216078 CN2538344Y (en) | 2002-03-09 | 2002-03-09 | Safety medicine solution apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2538344Y true CN2538344Y (en) | 2003-03-05 |
Family
ID=33695121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02216078 Expired - Fee Related CN2538344Y (en) | 2002-03-09 | 2002-03-09 | Safety medicine solution apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2538344Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106309130A (en) * | 2015-07-01 | 2017-01-11 | 陈艳玲 | Disposable short-needle-tube sucking and pushing precision filtering medicine dissolving needle |
-
2002
- 2002-03-09 CN CN 02216078 patent/CN2538344Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106309130A (en) * | 2015-07-01 | 2017-01-11 | 陈艳玲 | Disposable short-needle-tube sucking and pushing precision filtering medicine dissolving needle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20090320 Address after: Zhejiang Province, Yuhuan County town of Guangyang road 18, zip code: 317606 Patentee after: Zhejiang Huafu Medical Equipment Co., Ltd. Address before: Zhejiang Province, Yuhuan County town of Guangyang road 18, zip code: 317606 Patentee before: Wang Weiwen |
|
| ASS | Succession or assignment of patent right |
Owner name: ZHEJIANG PROV HUAFU MEDICINE EQUIPMENT CO., LTD. Free format text: FORMER OWNER: WANG WEIWEN Effective date: 20090320 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20030305 Termination date: 20100309 |