CN104337523A - Syringe capable of pumping automatically - Google Patents
Syringe capable of pumping automatically Download PDFInfo
- Publication number
- CN104337523A CN104337523A CN201410570421.8A CN201410570421A CN104337523A CN 104337523 A CN104337523 A CN 104337523A CN 201410570421 A CN201410570421 A CN 201410570421A CN 104337523 A CN104337523 A CN 104337523A
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- China
- Prior art keywords
- syringe
- piston rod
- air bag
- ventilation mouth
- pumping
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/153—Devices specially adapted for taking samples of venous or arterial blood, e.g. with 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
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Engineering & Computer Science (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Anesthesiology (AREA)
- Physics & Mathematics (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a syringe capable of pumping automatically. The syringe comprises a syringe needle, a cylinder, a piston rod and a round piston rod pressing handle, wherein the piston rod pressing handle and a blocking edge serve as concentric circles with the identical diameter; an air bag is arranged between the piston rod pressing handle and the blocking edge; the two ends of the air bag are respectively fixed with the piston rod pressing handle and the blocking edge; the air bag encircles the piston rod; a reverse valve and an aeration nozzle are arranged on the surface of the air bag; a sealing cover is arranged on the aeration nozzle; the reverse valve allows gas to flow from outside to inflate the gas bag. According to the syringe disclosed by the invention, the gas bag is inflated to push the piston rod to move, so as to allow the syringe needle to pump liquid, realize automatic control, and control the pumping speed through the inflation speed.
Description
Technical field
The present invention relates to the syringe of energy auto-pumping, belong to medical instruments field.
Background technology
Syringe is a kind of common medical instruments, and syringe is made up of the foraminate syringe of front end band and the piston core bar that matches.Syringe is used for a small amount of liquid or its to be injected into region that other method cannot be close or locally extracts out from those.When core bar is extracted, liquid or gas suck from syringe front end aperture, liquid or gas are extruded when core bar pushes.Injection is called by this process of syringe and syringe needle extraction or injecting gas or liquid.
Meanwhile, syringe also has pumping function, and the most frequently used in medical matters is exactly with syringe blood drawing, for the diagnosis of disease.In the allotment of micro-medicament, use syringe pump liquid preparation, realize the transfer of liquid preparation.In a lot of experiment, first use syringe pump containing bacterium liquid or chemical agent, be then injected in solvent solution to be deployed accordingly.
Traditional syringe is all the speed of manually control and suck and injection, and artificial operating experience seems very important, and the speed of suction or injection is determined by the experience of people completely, is unfavorable for standardization control that is quantitative, constant speed completely.Such as in the allocation process of liquid preparation, directly use traditional syringe pump liquid preparation manually, be easy to careless suction excessive, processing by the liquid preparation that excessive suction comes may be a troublesome problem, consider that injection goes back to depollute to original liquid preparation band again, direct injection is lost, consider whether this liquid preparation can to environment, whether sewer pipe can be injected directly into, if not all right, also need to carry out safe handling, visible, very large use drawback is existed for the syringe that accurately cannot control the aspiration of syringe, aspirate under a lot of service condition and excessively can there is serious consequence.Such as: when aspirating blood of human body for use syringe, be used for the diagnosis of disease, it is excessive to aspirate, and for patient, is also a kind of waste of blood, does not take into full account the spirit impression of patient.
Such as in antibacterial culturing process, during transfer antibacterial, pumping velocity is too fast may affect the uniform distribution situation of antibacterial in culture fluid, and excessive velocities, local produces temperature and raises, and causes bacterial death, visible, effectively controlling the pumping velocity of syringe, is also very important.For the simple syringe of tradition, artificial experience can only be relied on, and be easy to produce error or deviation, and in antibacterial culturing, cause this error or deviation, many times be not easy to be found, and very serious consequence can be caused.
The patent No. is 201080047273.1, patent name is a kind of automatic injector, open one comprises housing (10) to hold needle tubing (14), and driving mechanism, described driving mechanism comprises the first and second springs (30,32), described spring one in front and one in back acts on plunger (42) via intermediate member (34).The plunger device that is triggered remains on latched position.Push pin pipe to parking a little before the release of trigger causes the first spring, and after this second spring stretches with discharge dosage in needle tubing.This patent discloses a kind of injection can relatively automatically discharged in accommodation needle tubing, but, wherein use two sections of springs, spring has certain use fatigue process, in actual use, use each time all can have the change of trace, cause the syringe of this patent, although achieve automatic injection, but cannot calibrated shot be realized, quantitative problem described above can not be solved, and this patent be for injection, do not provide automatic control and the fixing quantity of suction, the drawback of above-mentioned present syringe can not be solved.
Application number is 201420100766.2, patent name is automatic injector, disclose a kind of automatic injector, comprise syringe and the syringe needle being arranged on syringe front end, piston rod is provided with in described syringe, described piston rod front end is provided with piston, described syringe outer wall is provided with secondary cylinder, push pedal is provided with in described secondary cylinder, the push pedal back side is provided with spring, described push pedal is provided with push rod, described push rod is connected with piston rod by interlinked mechanism, syringe top end is provided with lock pin, described piston rod is provided with lockhole, lock pin mates with lockhole through needle cylinder wall and is connected, syringe before the use, medicinal liquid is prepared in syringe, spring in secondary cylinder is in compressive state, lock pin inserts in lockhole, during injection, syringe needle is thrust injection position, finger stirs lock pin, lock pin skids off in lockhole, under the effect of Compress Spring elastic force, push rod drives piston rod slowly evenly to advance, realize automatic injection, save manpower, improve injection efficiency.The technical problem that this patent solves does not need to press piston-rod end manually, the power transmission of being upheld by spring is to piston rod, piston rod is driven to move towards needle portion, realize not needing Manual press piston rod, but still can't resolve quantitative problem, and this patent disclose only the structure for injection, be not openly used for the syringe aspirated, can reach the function of auto-pumping and quantitatively suction yet.
Visible, solve syringe when being applied in suction, how to realize auto-pumping and quantitative suction and be still one and be not solved and disclosed problem.And in actual applications, the use utilizing syringe to carry out pumping liquid is very frequently, experience simply by virtue of user uses traditional syringe under the service condition of a lot of suction, very serious consequence can be caused, and when using traditional syringe to realize pumping function for babe in the wood, more serious afterwards, be not only the waste of raw material, the safe handling of the raw material pumped out, or even the failure of experiment more, the death etc. of bacterial strain.
Summary of the invention
In order to solve above-mentioned Problems existing, the invention discloses a kind of syringe of energy auto-pumping, this syringe is mainly used in the quantitative suction of liquor sample or medicament, and the blood suction of human body or other live bodies, simple to operate, practical, application is wide.
The syringe of energy auto-pumping, comprise syringe needle, syringe, piston rod and piston, described syringe needle is fixedly mounted on one end of syringe, the other end of syringe is provided with perpendicular outward extending stop edge, piston is arranged in syringe, one end and the piston of described piston rod are fixed, the other end of piston rod is provided with perpendicular piston rod pressure handle, it is characterized in that described piston rod pressure handle is for circular, and piston rod pressure handle is concentric circular with stop edge, piston rod pressure handle is identical with stopping the place diameter of a circle at edge, air bag is provided with between piston rod pressure handle and stop edge, the two ends of air bag are respectively with piston rod pressure handle with stop that edge is fixed, air bag is centered around piston rod surrounding, balloon surface is provided with reverse valve and ventilation mouth, described ventilation mouth arranges Packed lid, the gas flow that reverse valve allows is for inflate towards air bag from the external world.
The bottom surrounding of described ventilation mouth is fixedly connected with air sac sealing, and ventilation mouth is made up of hard material, and the center of ventilation mouth is hard siphunculus, and the surrounding of described ventilation mouth is provided with screw thread, and described lid is threaded fixing with ventilation mouth.
Described air bag is that HDPE material after 0.3-3mm is made by thickness.
Described ventilation mouth is consistent with the height that reverse valve is arranged on air bag.
Be provided with gas flow rate induction apparatus in described reverse valve, described gas flow rate induction apparatus connects the air velocity alarm be arranged on outside air bag and connects.
Be provided with pressure inductor in described air bag, pressure inductor is arranged on ventilation mouth surrounding, and pressure inductor is connected to the pressure alarm that is arranged on balloon surface.
Described air velocity alarm is different with the alarm sound that pressure alarm sends.
The stopper of barrier gas flowing is provided with in described reverse valve.
Operation principle of the present invention is:
1. open ventilation mouth, opened by lid, extruding gasbag, the gas in air bag is all extruded, and air bag is in empty flat state, pushing piston bar pressure handle, the other end of syringe until piston is conflicted, and is tightened in by lid spiral on ventilation mouth.Because air bag is that soft materials is made, so when pushing piston bar pressure handle, air bag meeting Free Transform, can not produce resistance to the mobile of piston rod.
2. syringe needle is extend in liquid to be drawn, take off the stopper in reverse valve, gas is passed into equably in reverse valve, slowly heave after airbag aeration, air bag produces the effect of pushing to piston rod pressure handle, piston rod is pushed out gradually from syringe, realizes the function of pumping liquid.
3. according to the feature of liquid to be pumped, determine the speed of aspirating, thus determine the speed of inflating in air bag, and this velocity amplitude is preset as the warning numerical value of gas flow rate induction apparatus, the speed that strict control is inflated in air bag is no more than maximum, avoids the speed of aspirating to exceed the pumping velocity that liquid can be allowed to.
4. what in pressure inductor, arrange that air bag can be allowed to is maximum not by the force value of filling brokenly, when giving airbag aeration, when pressure alarm sounds, will stop inflation.
Beneficial effect of the present invention is:
(1), by the simple means of inflating and exit realize the problem of constant speed and the quantitative pumping liquid controlling personal experience can only be relied on to have come in medical treatment or experiment at ordinary times, allow the suction of syringe realize the control that quantizes, it is more accurate to control.
(2), be provided with air velocity alarm and pressure alarm and and the gas flow rate induction apparatus of their correspondence and pressure inductor, strict control is inflated and is unlikely to too fast in air bag, the speed allowing piston rod extract out exceedes the pumping velocity that liquid can allow, and the strict air bag that controls is not inflated and fills brokenly.
(3), the circumferential area of piston rod pressure handle is large, fully extend towards surrounding, after can airbag aeration being realized, vertically between piston rod pressure handle and stop edge, after airbag aeration, the power produced directly vertically acts on piston rod pressure handle, and large to the election power of piston rod pressure handle, the election power that air bag produces is fully utilized.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention,
Fig. 2 is the A-A direction view of Fig. 1,
Reference numerals list: 1-syringe needle, 2-syringe, 3-piston rod, 4-piston, 5-stop edge, 6-piston rod pressure handle, 7-air bag, 8-reverse valve, 9-ventilation mouth, 10-lid, 11-air velocity alarm, 12-pressure alarm.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, illustrate the present invention further.Following detailed description of the invention should be understood only be not used in for illustration of the present invention and limit the scope of the invention.It should be noted that, the word "front", "rear" of use is described below, "left", "right", "up" and "down" refer to direction in accompanying drawing, word " interior " and " outward " refer to the direction towards or away from particular elements geometric center respectively.
Fig. 1 is structural representation of the present invention, visible by reference to the accompanying drawings, the syringe of instinct auto-pumping, comprise syringe needle 1, syringe 2, piston rod 3 and piston 4, described syringe needle 1 is fixedly mounted on one end of syringe 2, the other end of syringe 2 is provided with perpendicular outward extending stop edge 5, piston 4 is arranged in syringe 2, one end and the piston 4 of described piston rod 3 are fixed, the other end of piston rod 3 is provided with perpendicular piston rod pressure handle 6, described piston rod pressure handle 6 is circular, and piston rod pressure handle 6 is concentric circular with stop edge 5, the basic structure of syringe is above.
Piston rod pressure handle 6 is identical with stopping the place diameter of a circle at edge 5, air bag 7 is provided with between piston rod pressure handle 6 and stop edge 5, the two ends of air bag 7 are respectively with piston rod pressure handle 6 with stops that edge 5 is fixing, air bag 7 is centered around piston rod 3 surrounding, air bag 7 surface is provided with reverse valve 8 and ventilation mouth 9, described ventilation mouth 9 arranges Packed lid 10, and the gas flow that reverse valve 8 allows is inflate towards air bag 7 from the external world.This structural design, more traditional syringe, the circumferential area of piston rod pressure handle 6 is large, and can align on the longitudinal direction of syringe with stop edge 5, air bag 7 is fixed on piston rod pressure handle 6 and stops between edge 5, vertical is produced, force localization to piston rod pressure handle 6 and stop edge 5, strong to the election power of piston rod pressure handle 6.
Bottom surrounding and the air bag 7 of described ventilation mouth 9 are sealedly and fixedly connected, and ventilation mouth 9 is made up of hard material, and the center of ventilation mouth 9 is hard siphunculus, and the surrounding of described ventilation mouth 9 is provided with screw thread, and described lid 10 is threaded fixing with ventilation mouth 9.By ventilation mouth 9, the gas in air bag 7 all being discharged, when inflating in air bag 7, needing ventilation mouth 9 to seal fixing, avoid gas leakage.
Described air bag 7 is that HDPE material after 0.3-3mm is made by thickness.During owing to not having gas in air bag 7, piston rod 3 will be pressed in syringe 4, and in this process, air bag 7 is wanted can flexural deformation, does not affect the movement of piston rod 3.
Described ventilation mouth 9 is consistent with the height that reverse valve 8 is arranged on air bag 7.Because ventilation mouth 9 and reverse valve 8 are all that hard material is made, same height, is conducive to reducing air bag 7 when Free Transform, on the support impact on air bag 7 height.
Be provided with gas flow rate induction apparatus in described reverse valve 8, described gas flow rate induction apparatus connects the air velocity alarm 11 be arranged on outside air bag 7 and connects; Be provided with pressure inductor in air bag 7, pressure inductor is arranged on ventilation mouth 9 surrounding, and pressure inductor is connected to the pressure alarm 12 that is arranged on air bag 7 surface.The pumping velocity being controlled this syringe by air velocity alarm is not exceeded the speed limit, and controlling air bag 7 by pressure alarm 12 can not be filled brokenly because inflating too much.
Described air velocity alarm 11 is different with the alarm sound that pressure alarm 12 sends.Be convenient to distinguish warning reason.
The stopper 10 of barrier gas flowing is provided with in described reverse valve 8.When inflating in air bag 7, clog reverse valve 8 with stopper 12, prevent ambient atmos from being flow in air bag 7 by reverse valve 8.
Technological means disclosed in the present invention program is not limited only to the technological means disclosed in above-mentioned technological means, also comprises the technical scheme be made up of above technical characteristic combination in any.
Claims (8)
1. the syringe of energy auto-pumping, comprise syringe needle, syringe, piston rod and piston, described syringe needle is fixedly mounted on one end of syringe, the other end of syringe is provided with perpendicular outward extending stop edge, piston is arranged in syringe, one end and the piston of described piston rod are fixed, the other end of piston rod is provided with perpendicular piston rod pressure handle, it is characterized in that described piston rod pressure handle is for circular, and piston rod pressure handle is concentric circular with stop edge, piston rod pressure handle is identical with stopping the place diameter of a circle at edge, air bag is provided with between piston rod pressure handle and stop edge, the two ends of air bag are respectively with piston rod pressure handle with stop that edge is fixed, air bag is centered around piston rod surrounding, balloon surface is provided with reverse valve and ventilation mouth, described ventilation mouth arranges Packed lid, the gas flow that reverse valve allows is for inflate towards air bag from the external world.
2. the syringe of energy auto-pumping according to claim 1, it is characterized in that the bottom surrounding of described ventilation mouth is fixedly connected with air sac sealing, ventilation mouth is made up of hard material, the center of ventilation mouth is hard siphunculus, the surrounding of described ventilation mouth is provided with screw thread, and described lid is threaded fixing with ventilation mouth.
3. according to claim 1 can the syringe of auto-pumping, it is characterized in that described air bag is that HDPE material after 0.3-3mm is made by thickness.
4. the syringe of energy auto-pumping according to claim 1, is characterized in that described ventilation mouth is consistent with the height that reverse valve is arranged on air bag.
5. the syringe of energy auto-pumping according to claim 1, it is characterized in that being provided with gas flow rate induction apparatus in described reverse valve, described gas flow rate induction apparatus is connected with the air velocity alarm be arranged on outside air bag.
6. the syringe of energy auto-pumping according to claim 5, is characterized in that being provided with pressure inductor in described air bag, and pressure inductor is arranged on ventilation mouth surrounding, and pressure inductor is connected to the pressure alarm that is arranged on balloon surface.
7. the syringe of energy auto-pumping according to claim 6, is characterized in that described air velocity alarm is different with the alarm sound that pressure alarm sends.
8. the syringe of energy auto-pumping according to claim 1, is characterized in that the stopper being provided with barrier gas flowing in described reverse valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410570421.8A CN104337523B (en) | 2014-10-24 | 2014-10-24 | The syringe of energy auto-pumping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410570421.8A CN104337523B (en) | 2014-10-24 | 2014-10-24 | The syringe of energy auto-pumping |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104337523A true CN104337523A (en) | 2015-02-11 |
| CN104337523B CN104337523B (en) | 2016-06-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410570421.8A Expired - Fee Related CN104337523B (en) | 2014-10-24 | 2014-10-24 | The syringe of energy auto-pumping |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104337523B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108671357A (en) * | 2018-06-19 | 2018-10-19 | 中国人民解放军总医院 | Nasopharynx anaesthetizes watering can |
| CN109568130A (en) * | 2018-12-11 | 2019-04-05 | 管云 | Booster type dispenser |
| CN114939513A (en) * | 2022-04-18 | 2022-08-26 | 深圳市世椿智能装备股份有限公司 | Diversified multi-angle adhesive deposite equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09626A (en) * | 1995-06-21 | 1997-01-07 | Kawasumi Lab Inc | Simplified transfuser and its holding cylinder |
| CN1493369A (en) * | 2002-11-01 | 2004-05-05 | 杨章民 | Syringe injector |
| WO2011071952A2 (en) * | 2009-12-07 | 2011-06-16 | Aktivpak, Inc. | Transfer devices, transfer assemblies and methods for transferring of contents between reservoirs |
| CN102665800A (en) * | 2009-10-21 | 2012-09-12 | 欧文蒙福德有限公司 | Autoinjector |
| EP2358327B1 (en) * | 2008-12-15 | 2013-11-20 | Carmel Pharma AB | Connector device |
| CN203861697U (en) * | 2014-03-06 | 2014-10-08 | 中国人民解放军第三军医大学第一附属医院 | Automatic injector |
-
2014
- 2014-10-24 CN CN201410570421.8A patent/CN104337523B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09626A (en) * | 1995-06-21 | 1997-01-07 | Kawasumi Lab Inc | Simplified transfuser and its holding cylinder |
| CN1493369A (en) * | 2002-11-01 | 2004-05-05 | 杨章民 | Syringe injector |
| EP2358327B1 (en) * | 2008-12-15 | 2013-11-20 | Carmel Pharma AB | Connector device |
| CN102665800A (en) * | 2009-10-21 | 2012-09-12 | 欧文蒙福德有限公司 | Autoinjector |
| WO2011071952A2 (en) * | 2009-12-07 | 2011-06-16 | Aktivpak, Inc. | Transfer devices, transfer assemblies and methods for transferring of contents between reservoirs |
| CN203861697U (en) * | 2014-03-06 | 2014-10-08 | 中国人民解放军第三军医大学第一附属医院 | Automatic injector |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108671357A (en) * | 2018-06-19 | 2018-10-19 | 中国人民解放军总医院 | Nasopharynx anaesthetizes watering can |
| CN109568130A (en) * | 2018-12-11 | 2019-04-05 | 管云 | Booster type dispenser |
| CN114939513A (en) * | 2022-04-18 | 2022-08-26 | 深圳市世椿智能装备股份有限公司 | Diversified multi-angle adhesive deposite equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104337523B (en) | 2016-06-01 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wu Yanxia Inventor after: Pan Dehua Inventor after: Huang Liqun Inventor after: Huang Baoying Inventor after: Deng Qinglan Inventor after: Zhong Yao Inventor before: Luo Xianjun |
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| COR | Change of bibliographic data | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20160506 Address after: 530031 the Guangxi Zhuang Autonomous Region Zhuangjin Jiangnan District of Nanning City Road No. 36 building 32 room 602 unit A Applicant after: Wu Yanxia Applicant after: Pan Dehua Applicant after: Huang Liqun Applicant after: Huang Baoying Applicant after: Deng Qinglan Applicant after: Zhong Yao Address before: Zhongshan road Wuzhong District Mudu town of Suzhou city in Jiangsu province 215100 No. 70 room 3610 Applicant before: SUZHOU RENJIERUI AUTOMATION TECHNOLOGY CO., LTD. |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160601 Termination date: 20181024 |
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| CF01 | Termination of patent right due to non-payment of annual fee |