CN104874051A - Application method of novel syringe - Google Patents
Application method of novel syringe Download PDFInfo
- Publication number
- CN104874051A CN104874051A CN201510238592.5A CN201510238592A CN104874051A CN 104874051 A CN104874051 A CN 104874051A CN 201510238592 A CN201510238592 A CN 201510238592A CN 104874051 A CN104874051 A CN 104874051A
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- CN
- China
- Prior art keywords
- pin cap
- syringe
- syringe needle
- needle
- gas
- 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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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/36—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests with means for eliminating or preventing injection or infusion of air into body
Landscapes
- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Emergency Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention relates to the field of medical apparatuses and instruments, and discloses an application method of a novel syringe. The novel syringe is simple to operate during exhausting, and convenient to use; air and liquid medicine can be separated through an air-liquid separating film in a pin cap; the dosage of the liquid medicine and the dosage from a needle head can be limited by setting the fixed capacity of a cavity; therefore, the waste of medicines can be reduced; the medical treatment cost can be saved; meanwhile, the overflowed liquid medicine can be conveniently recovered and treated; an application field can be kept clean.
Description
Technical field
The present invention relates to medical instruments field, particularly, relate to a kind of using method of novel injector.
Background technology
Syringe is a kind of common medical apparatus and instruments, its common structure generally comprises injection push-and-pull parts, syringe, syringe needle and pin cap, although this syringe makes simple, easy to use, but in order to drain the gas in syringe after suction medicinal liquid, need pushing syringe piston, after medicinal liquid is emerged from syringe needle, could by residue injecting liquid drug in human body or animal, the medicinal liquid of emerging in this use procedure will directly spill, the waste of medicine can be caused on the one hand, especially for valuable medicine, lose more obvious; On the other hand, the medicinal liquid that spills inconvenience recycling, will cause such as emitting bad smell, be difficult to the problems such as cleaning to application scenarios.
For the use problem of above-mentioned current syringe, need to provide a kind of new syringe and using method, in syringe exhaust process, not only can limit the dosage that medicinal liquid is emerged from syringe needle, reduce the waste of medicine, the recycling of medicinal liquid of can also conveniently emerging, ensure the cleaning of application scenarios.
Summary of the invention
For the use problem of aforementioned current syringe, the invention provides a kind of novel injector and using method, when syringe aerofluxus, described injector operations is simple, easy to use, not only can limit the dosage that medicinal liquid is emerged from syringe needle, reduce the waste of medicine, the recycling of medicinal liquid of can also conveniently emerging, ensure the cleaning of application scenarios.
The technical solution used in the present invention, provide a kind of novel injector on the one hand, comprise syringe body and pin cap, it is characterized in that: described syringe body comprises injection push-and-pull parts, with the syringe of injection push-and-pull parts match, be positioned at syringe top and needle mount in frustum and be fixed on the syringe needle at needle mount axle center place; Described pin cap comprises the pin cap baffle plate be positioned at bottom pin cap, is positioned at the pin cap cylinder in the middle part of pin cap, is positioned at the pin cap in pin crown portion; Described pin cap is provided with air-vent, and the junction of pin cap and pin cap cylinder is built-in with gas-liquid separation membrane, is provided with fixing rubber closure in pin cap cylinder, forms a cavity for receiving medical liquids between gas-liquid separation membrane and rubber closure.
Concrete, described gas-liquid separation membrane is set to L1 near the side of rubber closure to the distance between axles of pin cap baffle plate bottom surface, and its value is greater than the length that syringe needle exposes needle mount.Described rubber closure is set to L2 near the side of gas-liquid separation membrane to the distance between axles of pin cap baffle plate bottom surface, and its value is less than the length that syringe needle exposes needle mount.
Concrete, the distance between axles of described cavity is not less than 2mm and is not more than 6mm.
Concrete, the inner radial of described pin cap cylinder is 2 ~ 4 times of syringe needle radius.
The technical method that the present invention adopts, provide a kind of using method of novel injector on the other hand, it is characterized in that, comprise step as follows: the syringe needle on syringe body takes out by S101. from pin cap, then the tip portion of syringe needle is placed in target medicinal liquid, pull the injection push-and-pull parts on injection body, make target medicinal liquid be pumped in the syringe of injection body by syringe needle; S102. described syringe needle is inserted in pin cap, makes the tip portion of syringe needle through the rubber stopper in pin cap, and enter into the cavity surrounded by pin cap cylinder, gas-liquid separation membrane and the rubber stopper on pin cap; S103. described injection push-and-pull parts are promoted, until cannot promote; S104. described syringe needle is taken out again from pin cap, then use syringe body to perform injection task.
Concrete, described step S102 also comprises the steps: that described syringe needle is being inserted in the process of pin cap by S201., when being positioned at the pin cap baffle plate bottom pin cap and abutting with the needle mount being positioned at syringe top, stops inserting.
To sum up, adopt novel injector provided by the present invention and using method, when syringe aerofluxus, described injector operations is simple, easy to use, not only can limit the dosage that medicinal liquid is emerged from syringe needle, reduce the waste of medicine, the recycling of medicinal liquid of can also conveniently emerging, ensure the cleaning of application scenarios.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the syringe that the embodiment of the present invention provides.
Fig. 2 is the large schematic diagram of syringe needle and pin cap portion in the syringe that provides of the embodiment of the present invention.
Fig. 3 is the using method flow chart of the syringe that the embodiment of the present invention provides.
In above-mentioned accompanying drawing: 1, syringe body 1a, injection push-and-pull parts 1b, syringe 1c, needle mount 1d, syringe needle 2, pin cap 2a, pin cap baffle plate 2b, pin cap cylinder 2c, pin cap 2d, air-vent 2e, gas-liquid separation membrane 2f, rubber stopper 2g, cavity.
Detailed description of the invention
Hereinafter with reference to accompanying drawing, describe novel injector provided by the invention in detail by way of example.It should be noted that at this, the explanation for these way of example understands the present invention for helping, but does not form limitation of the invention.
Various technology described herein may be used for but be not limited to medical instruments field, can also be used for other similar field.
Term "and/or" herein, it is only a kind of incidence relation describing affiliated partner, three kinds of relations can be there are in expression, such as, A and/or B, can represent: individualism A, individualism B, there are A and B tri-kinds of situations simultaneously, herein term " or/and " be describe another kind of affiliated partner relation, can there are two kinds of relations in expression, such as, A is or/and B, can represent: individualism A, individualism A and B two kinds of situations, in addition, character "/" herein, general expression forward-backward correlation is to liking a kind of "or" relation.
Embodiment one, Fig. 1 shows the structural representation of the syringe that the present embodiment provides, and Fig. 2 shows the large schematic diagram of syringe needle and pin cap portion in the syringe that the present embodiment provides, and Fig. 3 shows the using method flow chart of the syringe that the present embodiment provides.Described novel injector, comprise syringe body 1 and pin cap 2, it is characterized in that: described syringe body 1 comprises injection push-and-pull parts 1a, syringe 1b mate with injection push-and-pull parts 1a, is positioned at syringe 1b top and needle mount 1c in frustum and be fixed on the syringe needle 1d at needle mount 1c axle center place; Described pin cap 2 comprises the pin cap baffle plate 2a be positioned at bottom pin cap 2, is positioned at the pin cap cylinder 2b in the middle part of pin cap 2, is positioned at the pin cap 2c at pin cap 2 top; Described pin cap 2c is provided with air-vent 2d, and the junction of pin cap 2c and pin cap cylinder 2b is built-in with gas-liquid separation membrane 2e, is provided with fixing rubber closure 2f in pin cap cylinder 2b, forms a cavity 2g for receiving medical liquids between gas-liquid separation membrane 2e and rubber closure 2f.Concrete further, described injection push-and-pull parts 1a is syringe piston.
As depicted in figs. 1 and 2, in described syringe construction, syringe body 1 realizes the basic function of syringe, pin cap 2 then has different effects two stages: on the one hand, when syringe is not activated, syringe needle 1d on syringe body 1 inserts in the pin cap cylinder 2b of pin cap 2, the tip portion of syringe needle 1d is arranged in rubber stopper 2f or is arranged in cavity 2g through rubber stopper 2f, this one-phase pin cap 2 couples of syringe needle 1d play protection and fungi-proofing effect (antibacterial in the external world or the volume of virus larger, cavity is not entered into by gas-liquid separation membrane, thus can to avoid infection and be arranged in cavity, the tip portion of syringe needle), on the other hand, when syringe is activated and needs the gas in syringe 1b to discharge, can again the syringe needle 1d on syringe body 1 be inserted in the pin cap cylinder 2b of pin cap 2, make the tip portion of syringe needle 1d through rubber stopper 2f, and enter into cavity 2g, then injection push-and-pull parts 1a is promoted, the gas in syringe 1b and part medicinal liquid is made to be squeezed in cavity 2g, utilize the filtration of gas-liquid separation membrane 2e, gas in cavity 2g is discharged outside to, until injection push-and-pull parts 1a cannot be promoted, now show syringe 1b, medicinal liquid has been crowded with in syringe needle 1d and cavity 2g, and air is all drained, then extract syringe needle 1d can directly inject, can auxiliary syringe aerofluxus at this one-phase pin cap 2, and the cavity 2g utilizing capacity to fix limits the dosage that medicinal liquid is emerged from syringe needle, open the effect that aerofluxus economizes medicine, a small amount of medicinal liquid of simultaneously emerging is stored in the cavity in pin cap 2, can not spill, convenient recycling, thus ensure the cleaning of application scenarios.
Concrete, described gas-liquid separation membrane 2e is set to L1 near the side of rubber closure 2f to the distance between axles of pin cap baffle plate 2d bottom surface, and its value is greater than the length that syringe needle 1d exposes needle mount 1c.Described rubber closure 2f is set to L2 near the side of gas-liquid separation membrane 2e to the distance between axles of pin cap baffle plate 2d bottom surface, and its value is less than the length that syringe needle 1d exposes needle mount 1c.The parameter of described L1 and L2 limits, and can ensure when pin cap baffle plate 2a abuts with needle mount 1c, and the tip portion of syringe needle 1d, stabbing gas-liquid separation membrane 2e through after rubber stopper 2f, guarantees the gas-liquid separation effect of gas-liquid separation membrane 2e.
Concrete, the distance between axles of described cavity 2g is not less than 2mm and is not more than 6mm.When arranging the distance between axles of cavity 2g, its lower limit need guarantee the tip portion can holding syringe needle 1d, and its higher limit need consider the dosage allowing medicinal liquid to emerge from syringe needle when aerofluxus, as what optimize, in the present embodiment, the distance between axles of described cavity 2g is set to 4mm.
Concrete, the thickness of described gas-liquid separation membrane 2e is not less than 0.6mm and is not more than 1.5mm.Described gas-liquid separation membrane 2e is made up of waterproof ventilative material, can divided gas flow and medicinal liquid, and it can be, but not limited to the beautiful board gas-liquid separation membrane in east adopting Rui Sen waterproof ventilative material company limited to produce.When arranging the thickness of gas-liquid separation membrane 2e, the robustness of gas-liquid separation membrane 2e when its lower limit need guarantee aerofluxus, its higher limit need consider manufacturing cost, and as an example, in the present embodiment, the thickness of described gas-liquid separation membrane 2e is 1mm.
Concrete, the thickness of described rubber closure 2f is not less than 5mm and is not more than 10mm.Described rubber closure 2f is made up of water proof vapour barrier, can prevent extraneous gas from entering cavity 2g and preventing the medicinal liquid in cavity 2g from oozing out.When arranging the thickness of rubber closure 2f, its lower limit need guarantee the water proof trapping effect of rubber closure, and its higher limit need consider the complexity that pierced through by syringe needle 1d and manufacturing cost, and as an example, in the present embodiment, the thickness of described rubber closure 2f is 8mm.
Concrete, the inner radial of described pin cap cylinder 2b is 2 ~ 4 times of syringe needle radius.When arranging the inner radial of pin cap cylinder 2b, its lower limit need be guaranteed can quick insertion syringe needle 1d, and its higher limit need consider the dosage allowing medicinal liquid to emerge from syringe needle when aerofluxus, as an example, in the present embodiment, the inner radial of described pin cap cylinder 2b is 3 times of syringe needle radius.For the syringe needle 1d that diameter is 1mm, the capacity of cavity 2g is about 28 microlitres, and the liquid dose of emerging during aerofluxus only has half size (the volume size of a usual water is 40 ~ 50 microlitres), saves the successful of medicinal liquid.
The using method of said injector device, comprises step as follows.
S101. the syringe needle on syringe body is taken out from pin cap, then the tip portion of syringe needle is placed in target medicinal liquid, pull the injection push-and-pull parts on injection body, target medicinal liquid is pumped in the syringe of injection body by syringe needle.
S102. described syringe needle is inserted in pin cap, makes the tip portion of syringe needle through the rubber stopper in pin cap, and enter into the cavity surrounded by pin cap cylinder, gas-liquid separation membrane and the rubber stopper on pin cap.
Concrete, described step S102 also comprises the steps: that described syringe needle is being inserted in the process of pin cap by S201., when being positioned at the pin cap baffle plate bottom pin cap and abutting with the needle mount being positioned at syringe top, stops inserting.This step can ensure that the tip portion of syringe needle is stabbing gas-liquid separation membrane through after rubber stopper, guarantees the gas-liquid separation effect of gas-liquid separation membrane.
S103. described injection push-and-pull parts are promoted, until cannot promote.
In the process promoting injection push-and-pull parts, gas in syringe and part medicinal liquid are squeezed in cavity, utilize the filtration of gas-liquid separation membrane, gas in cavity can be discharged outside to, until when cannot promote, show to be crowded with medicinal liquids in syringe, syringe needle and cavity, and air is all drained, then only need take out syringe needle from pin cap can directly inject.
S104. described syringe needle is taken out again from pin cap, then use syringe body to perform injection task.
The novel injector that above-described embodiment provides and using method, have following beneficial effect: (1) to be activated and in the process be exhausted at syringe, and described injector operations is simple, easy to use; (2) to be activated and in the process be exhausted at syringe, the gas-liquid separation membrane be beneficial in pin cap realizes being separated of gas and medicinal liquid, and by the fixed capacity of setting cavity, the dosage that when can be limited to aerofluxus, medicinal liquid is emerged from syringe needle, thus reduce the waste of medicine, save medical treatment cost; (2) to be activated and in the process be exhausted at syringe, a small amount of medicinal liquid of emerging, by the cavity that is stored in pin cap, can not spill, convenient recycling, thus ensure the cleaning of application scenarios.(3) when syringe may not be enabled, described pin cap can open protection and fungi-proofing effect to the syringe needle on syringe body.
As mentioned above, the present invention can be realized preferably.For a person skilled in the art, according to instruction of the present invention, design multi-form novel injector and using method.Without departing from the principles and spirit of the present invention these embodiments changed, revise, replace, integrate and modification still falls within the scope of protection of the present invention.
Claims (5)
1. a using method for novel injector, is characterized in that, comprises step as follows:
S101. the syringe needle on syringe body is taken out from pin cap, then the tip portion of syringe needle is placed in target medicinal liquid, pull the injection push-and-pull parts on injection body, make target medicinal liquid be pumped in the syringe of injection body by syringe needle;
S102. described syringe needle is inserted in pin cap, makes the tip portion of syringe needle through the rubber stopper in pin cap, and enter into the cavity surrounded by pin cap cylinder, gas-liquid separation membrane and the rubber stopper on pin cap;
S103. described injection push-and-pull parts are promoted, until cannot promote;
S104. described syringe needle is taken out again from pin cap, then use syringe body to perform injection task.
2. the using method of a kind of novel injector as claimed in claim 1, is characterized in that, described step S102 also comprises the steps:
S201. described syringe needle is being inserted in the process of pin cap, when being positioned at the pin cap baffle plate bottom pin cap and abutting with the needle mount being positioned at syringe top, is stopping inserting.
3. the using method of a kind of novel injector as claimed in claim 1 or 2, is characterized in that:
Described pin cap cylinder is positioned at the middle part of pin cap, and described rubber closure is fixed in pin cap cylinder;
Described pin cap also comprises and is positioned at pin crown portion and the pin cap being provided with air-vent, and described gas-liquid separation membrane is built in the junction of pin cap and pin cap cylinder.
4. the using method of a kind of novel injector as claimed in claim 2, it is characterized in that, described syringe needle is fixed on the described needle mount axle center place in frustum, the length that syringe needle exposes needle mount be less than described gas-liquid separation membrane near the side of rubber closure the distance between axles to described pin cap baffle plate bottom surface, and be greater than described rubber closure near the side of gas-liquid separation membrane the distance between axles to pin cap baffle plate bottom surface.
5. the using method of a kind of novel injector as claimed in claim 1, is characterized in that, described injection push-and-pull parts are syringe piston.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510238592.5A CN104874051A (en) | 2015-05-12 | 2015-05-12 | Application method of novel syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510238592.5A CN104874051A (en) | 2015-05-12 | 2015-05-12 | Application method of novel syringe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104874051A true CN104874051A (en) | 2015-09-02 |
Family
ID=53941889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510238592.5A Pending CN104874051A (en) | 2015-05-12 | 2015-05-12 | Application method of novel syringe |
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| Country | Link |
|---|---|
| CN (1) | CN104874051A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106964026A (en) * | 2017-04-28 | 2017-07-21 | 河南大学淮河医院 | High-precision anesthesia syringe |
| CN110812227A (en) * | 2019-12-07 | 2020-02-21 | 齐雪莲 | Non-hanging infusion set based on clinical care in medical science |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4769026A (en) * | 1986-08-19 | 1988-09-06 | Erbamont, Inc. | Method and apparatus for purging a syringe |
| CN201194973Y (en) * | 2008-03-21 | 2009-02-18 | 何红丽 | Novel needle cap |
| CN202459648U (en) * | 2012-02-08 | 2012-10-03 | 山东省文登整骨医院 | Environment-friendly syringe needle cap |
| CN204050536U (en) * | 2014-09-23 | 2014-12-31 | 浙江欧健医用器材有限公司 | Syringe |
-
2015
- 2015-05-12 CN CN201510238592.5A patent/CN104874051A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4769026A (en) * | 1986-08-19 | 1988-09-06 | Erbamont, Inc. | Method and apparatus for purging a syringe |
| CN201194973Y (en) * | 2008-03-21 | 2009-02-18 | 何红丽 | Novel needle cap |
| CN202459648U (en) * | 2012-02-08 | 2012-10-03 | 山东省文登整骨医院 | Environment-friendly syringe needle cap |
| CN204050536U (en) * | 2014-09-23 | 2014-12-31 | 浙江欧健医用器材有限公司 | Syringe |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106964026A (en) * | 2017-04-28 | 2017-07-21 | 河南大学淮河医院 | High-precision anesthesia syringe |
| CN106964026B (en) * | 2017-04-28 | 2020-05-08 | 河南大学淮河医院 | High-precision anesthetic syringe |
| CN110812227A (en) * | 2019-12-07 | 2020-02-21 | 齐雪莲 | Non-hanging infusion set based on clinical care in medical science |
| CN110812227B (en) * | 2019-12-07 | 2022-04-05 | 张金梅 | Non-hanging infusion set based on clinical care in medical science |
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Application publication date: 20150902 |
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