CN104337523B - The syringe of energy auto-pumping - Google Patents
The syringe of energy auto-pumping Download PDFInfo
- Publication number
- CN104337523B CN104337523B CN201410570421.8A CN201410570421A CN104337523B CN 104337523 B CN104337523 B CN 104337523B CN 201410570421 A CN201410570421 A CN 201410570421A CN 104337523 B CN104337523 B CN 104337523B
- Authority
- CN
- China
- Prior art keywords
- syringe
- piston rod
- air bag
- ventilation mouth
- pressure handle
- 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.)
- Expired - Fee Related
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Classifications
-
- 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
Abstract
The syringe of energy auto-pumping, comprise syringe needle, syringe, piston rod and circular piston bar pressure handle, and piston rod pressure handle is the concentric(al) circles that diameter is identical with stop edge, it is provided with air bag between piston rod pressure handle and stop edge, the two ends of air bag are fixed with piston rod pressure handle and stop edge respectively, and air bag is centered around piston rod surrounding, and balloon surface is provided with reverse valve and ventilation mouth, arranging Packed lid on described ventilation mouth, the gas flow that reverse valve allows is inflate towards air bag from the external world. The present invention realizes promoting piston rod to move by inflation in air bag, and then realizes syringe needle pumping liquid, it is achieved automatically control, and the speed by the speed control suction of inflation.
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 with the syringe of aperture and the piston core bar that matches front end. Syringe is used for being injected into a small amount of liquid or its region that other method cannot be close or local extracts out from those. When core bar is extracted, liquid or gas suck from syringe front end aperture, push away at core bar and fashionable liquid or gas are extruded. It is called injection 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 trace medicament, it may also be useful to syringe pump liquid preparation, it is achieved the transfer of liquid preparation. In a lot of experiment, first use syringe pump containing bacterium liquid or chemical agent, it is 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 quantitative, constant speed completely. such as in the allocation process of liquid preparation, directly use traditional syringe pump liquid preparation manually, it is easy to careless suction excessive, processing by the liquid preparation come on excessive suction may be a troublesome problem, consider that injection goes back to be depolluted by original liquid preparation band again, direct injection is lost, consider whether this liquid preparation can pollute environment, whether can be injected directly into sewer line, if it is not all right, also need to carry out safe handling, visible, there is very big use drawback in the syringe for the aspiration that cannot accurately control syringe, aspirate under a lot of service condition and excessive can there is serious consequence. such as: when aspirating blood of human body for use syringe, being used for the diagnosis of disease, it is excessive to aspirate, and for patient, is also the waste of a kind of blood, it does not have fully consider the spirit impression of patient.
Such as in microbial culture process, during transfer bacterium, pumping velocity is too fast may affect the uniform distribution situation of bacterium in nutrient solution, and excessive velocities, local produces temperature and raises, and causes bacterial death, visible, effectively the pumping velocity of control syringe, is also very important. For the simple syringe of tradition, artificial experience can only be relied on to complete, and be easy to produce error or deviation, and in microbial culture, cause this kind of 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 middle parts (34). Plunger be triggered device remain on locking position. The release of triggering device pushes pin pipe to parking a little before causing the first spring, hereafter the 2nd spring stretches with discharge dosage in needle tubing. This patent discloses a kind of injection liquid 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 achieving automatic injection, but quantitative injection cannot be realized, quantitative problem described above can not be solved, and this patent is 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 it is arranged on the syringe needle of syringe front end, it is provided with piston rod in described syringe, described piston rod front end is provided with piston, described syringe outer wall is provided with secondary cylinder, it is provided with push pedal 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 by interlinked mechanism and piston rod, syringe top end is provided with lock pin, described piston rod is provided with lockhole, lock pin is connected through needle cylinder wall with lockhole coupling, syringe is before the use, liquid has been prepared in syringe, spring in secondary cylinder is in compressed state, in lock pin insertion lockhole, during injection, syringe needle is thrust injection position, finger stirs lock pin, lock pin skids off in lockhole, under compression spring elastic force effect, 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 manually piston-rod end, the transmission of power upheld by spring is to piston rod, piston rod is driven to move towards needle portion, realize not needing manually to press piston rod, but still can't resolve quantitative problem, and this patent disclose only the structure for injection, it does not have the open syringe being used for aspirating, auto-pumping and the function of quantitatively suction also can be reached.
Visible, solve syringe when being applied in suction, how to realize auto-pumping and quantitative suction is still one and is 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, it is 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 present invention discloses the syringe of a kind of energy auto-pumping, and this syringe is mainly used in the quantitative suction of liquid sample or medicament, and the blood suction of human body or other live bodies, simple to operate, practical, Application Areas 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(al) circles with stop edge, piston rod pressure handle is identical with stopping the place circular diameter at edge, it is provided with air bag between piston rod pressure handle and stop edge, the two ends of air bag are fixed with piston rod pressure handle and stop edge respectively, 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 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 mechanically resistant 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 the 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.
Being provided with gas flow rate inductor block in described reverse valve, described gas flow rate inductor block connects the gas velocity warning howler being arranged on outside air bag and connects.
Being provided with pressure sensitive device in described air bag, pressure sensitive device is arranged on ventilation mouth surrounding, and pressure sensitive device connects a pressure warning unit being arranged on balloon surface.
The alarm sound that described gas velocity warning howler sends with pressure warning unit is different.
The stopper of barrier gas flowing it is provided with in described reverse valve.
The principle of work of the present invention is:
1. opening 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. Owing to air bag is that soft materials is made, so when pushing piston bar pressure handle, air bag can freely be out of shape, can not to the mobile generation resistance of piston rod.
2. syringe needle is extend in liquid to be drawn, take off the stopper in reverse valve, evenly lead to into gas in reverse valve, slowly heave after airbag aeration, piston rod pressure handle is produced the effect of pushing by air bag, and piston rod is released gradually from syringe to be gone, it is achieved the function of pumping liquid.
3. according to the feature of liquid to be pumped, determine the speed of suction, so that it is determined that the speed of inflation in air bag, and this speed value is preset as the warning numerical value of gas flow rate inductor block, the speed strictly controlling in air bag inflation is no more than maximum value, avoids the pumping velocity that the speed of suction exceedes liquid and can be allowed to.
4. the maximum force value do not filled brokenly that air bag can be allowed to is set in pressure sensitive device, when giving airbag aeration, when pressure warning unit sounds, inflation will be stopped.
The useful effect of the present invention is:
(1), by the simple means inflated and exit realizing the problem controlling constant speed and the quantitative pumping liquid that personal experience can only be relied on to complete in medical treatment or experiment at ordinary times, allow the suction of syringe can realize numerical valueization control, it is more accurate to control.
(2), be provided with gas velocity warning howler and pressure warning unit and and the gas flow rate inductor block of their correspondence and pressure sensitive device, strictly control inflation in air bag and it is unlikely to too fast, the speed allowing piston rod extract out exceedes the pumping velocity that liquid can allow, and strict control air bag is not inflated and fills brokenly.
(3), the circumferential area of piston rod pressure handle is big, fully extend towards surrounding, after airbag aeration can 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 the election power of piston rod pressure handle is big, and the election power that air bag produces is fully utilized.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention,
Fig. 2 is the A-A direction view of Fig. 1,
Reference numerals list: 1 syringe needle, 2 syringes, 3 piston rods, 4 pistons, 5 stop edges, 6 piston rod pressure handles, 7 air bags, 8 reverse valves, 9 ventilation mouths, 10 lids, 11 gas velocity warning howlers, 12 pressure warning units.
Embodiment
Below in conjunction with the drawings and specific embodiments, illustrate the present invention further. Following embodiment 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, direction that "left", "right", "up" and "down" refer in accompanying drawing, word " interior " and " outward " refer to the direction towards or away from particular elements geometric centre respectively.
Fig. 1 is the 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(al) circles with stop edge 5, the basic structure of syringe it is described in above.
Piston rod pressure handle 6 is identical with stopping the place circular diameter at edge 5, it is provided with air bag 7 between piston rod pressure handle 6 and stop edge 5, the two ends of air bag 7 are fixed with piston rod pressure handle 6 and stop edge 5 respectively, air bag 7 is centered around piston rod 3 surrounding, air bag 7 surface is provided with reverse valve 8 and ventilation mouth 9, arranging Packed lid 10 on described ventilation mouth 9, the gas flow that reverse valve 8 allows is inflate towards air bag 7 from the external world. This structure design, more traditional syringe, the circumferential area of piston rod pressure handle 6 is big, 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, piston rod pressure handle 6 and stop edge 5 are produced vertical, force localization, the election power of piston rod pressure handle 6 is strong.
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 mechanically resistant 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 is all discharged, when inflating in air bag 7, it is necessary to seal fixing by ventilation mouth 9, avoid gas leakage.
Described air bag 7 is that the HDPE material after 0.3 3mm is made by thickness. During owing to not having gas in air bag 7, piston rod 3 to be pressed in syringe 4, in this process, air bag 7 want can flexural deformation, do not affect the movement of piston rod 3.
The height that described ventilation mouth 9 is arranged on air bag 7 with reverse valve 8 is consistent. Owing to ventilation mouth 9 and reverse valve 8 are all that mechanically resistant material is made, same height, is conducive to reducing air bag 7 when being freely out of shape, the support on air bag 7 height is affected.
Being provided with gas flow rate inductor block in described reverse valve 8, described gas flow rate inductor block connects the gas velocity warning howler 11 being arranged on outside air bag 7 and connects; Being provided with pressure sensitive device in air bag 7, pressure sensitive device is arranged on ventilation mouth 9 surrounding, and pressure sensitive device connects a pressure warning unit 12 being arranged on air bag 7 surface. The pumping velocity being controlled this syringe by gas velocity warning howler is not exceeded the speed limit, and controlling air bag 7 by pressure warning unit 12 too much can not be filled brokenly because inflating.
Described gas velocity warning howler 11 is different with the alarm sound that pressure warning unit 12 sends. It is convenient to distinguish warning reason.
The stopper 10 of barrier gas flowing it is provided with in described reverse valve 8. Air bag 7 when inflating, clog reverse valve 8 with stopper 12, prevents ambient atmos from being flow in air bag 7 by reverse valve 8.
Technique means disclosed in the present invention program is not limited only to the technique means disclosed in above-mentioned technique means, also comprises the technical scheme being made up of above technology feature arbitrary combination.
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(al) circles with stop edge, piston rod pressure handle is identical with stopping the place circular diameter at edge, one end and the piston rod pressure handle of air bag are fixed, the other end is fixed at edge with stopping, 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 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 mechanically resistant 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. the syringe of energy auto-pumping according to claim 1, is characterized in that described air bag is that the HDPE material that 0.3 3mm is thick 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, is characterized in that being provided with gas flow rate inductor block in described reverse valve, and the gas velocity warning howler outside air bag is connected described gas flow rate inductor block with being arranged on.
6. the syringe of energy auto-pumping according to claim 5, is characterized in that being provided with in described air bag pressure sensitive device, and pressure sensitive device is arranged on ventilation mouth surrounding, and pressure sensitive device connects a pressure warning unit being arranged on balloon surface.
7. the syringe of energy auto-pumping according to claim 6, is characterized in that the alarm sound that described gas velocity warning howler sends with pressure warning unit is different.
8. the syringe of energy auto-pumping according to claim 1, is characterized in that being provided with in described reverse valve the stopper of barrier gas flowing.
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 CN104337523A (en) | 2015-02-11 |
| CN104337523B true 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 |
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| Country | Link |
|---|---|
| CN (1) | CN104337523B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108671357B (en) * | 2018-06-19 | 2023-05-23 | 中国人民解放军总医院 | Nasopharynx anesthesia watering can |
| CN109568130B (en) * | 2018-12-11 | 2021-02-05 | 管云 | Power-assisted medicine dispensing device |
| 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 (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1493369A (en) * | 2002-11-01 | 2004-05-05 | 杨章民 | Syringe injector |
| 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 |
Family Cites Families (2)
| 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 |
| WO2011071952A2 (en) * | 2009-12-07 | 2011-06-16 | Aktivpak, Inc. | Transfer devices, transfer assemblies and methods for transferring of contents between reservoirs |
-
2014
- 2014-10-24 CN CN201410570421.8A patent/CN104337523B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
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| Publication number | Publication date |
|---|---|
| CN104337523A (en) | 2015-02-11 |
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| 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160601 Termination date: 20181024 |