CN106421992A - Novel manual medical syringe - Google Patents
Novel manual medical syringe Download PDFInfo
- Publication number
- CN106421992A CN106421992A CN201610859476.XA CN201610859476A CN106421992A CN 106421992 A CN106421992 A CN 106421992A CN 201610859476 A CN201610859476 A CN 201610859476A CN 106421992 A CN106421992 A CN 106421992A
- Authority
- CN
- China
- Prior art keywords
- syringe
- push rod
- plunger
- plungers
- mozzle
- 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.)
- Pending
Links
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
- A61M5/19—Syringes having more than one chamber, e.g. including a manifold coupling two parallelly aligned syringes through separate channels to a common discharge assembly
-
- 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
- A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
- A61M5/31511—Piston or piston-rod constructions, e.g. connection of piston with piston-rod
-
- 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
- A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
- A61M5/31596—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms comprising means for injection of two or more media, e.g. by mixing
-
- 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
- A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
- A61M5/31596—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms comprising means for injection of two or more media, e.g. by mixing
- A61M2005/31598—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms comprising means for injection of two or more media, e.g. by mixing having multiple telescopically sliding coaxial pistons encompassing volumes for components to be mixed
Abstract
The invention relates to a novel manual medical syringe which comprises a needle cylinder, plungers, a push rod, check valves, a flow guide pipe and an air guide pipe. The number of the plungers is two in total, the plungers are respectively embedded in the needle cylinder in the axial direction of the needle cylinder and are slidably connected with the inner wall of the needle cylinder, the plungers are provided with overflow holes, the check valves are embedded in the overflow holes of the plungers, the plunger rear surfaces of the plungers located at the tail end position of the needle cylinder are connected with the front end of the push rod, the tail ends of the overflow holes in the plungers are communicated with the flow guide pipe, the flow guide pipe is embedded in the outer surface of the push rod and is parallel to the axis of the push rod, and the tail end of the flow guide pipe is located on the outer side of the needle cylinder and forms an included angle of 0-90 degrees with the axis of the push rod. According to the novel manual medical syringe, on one hand, two medicines are injected in sequence without intervals, medicine injection operation efficiency and medicine effect playing efficiency are improved; on the other hand, patients' pain can be effectively relieved, and medicine injection operation flexibility and reliability are improved.
Description
Technical field
The present invention relates to a kind of novel manual injector for medical purpose, belong to medical apparatus and instruments technical field.
Background technology
At present when carrying out the operations such as treatment, the different agents mixing of disease, generally require by two or more
Liquid be injected directly in human body by syringe or other container in, especially treat in the cutout carrying out row vein varicose
During treatment for esophageal varices bleeding, conventional way is with three syringes, takes out Lauromacrogol respectively and is full of in advance
Injection needle, second syringe takes out tissue glue, and the 3rd syringe takes out physiological saline, and three syringes are coupled with scope
Lower injection needle connector, sequential three kinds of medicines of injection, but tissue glue is a kind of special medicine, has and runs into liquid several seconds kind
The feature of quick solidification, therefore, the linking of three syringe injection of medicines is very skilled and accurate, and careless slightly, just having can
Needle tubing connecting portion can occur sticked, medicine can not push blood vessel, cause the risk of massive haemorrhage in Endodontic failure, or even operation,
Thus significantly increasing the misery of medical-risk and patient, for this problem, currently have also been developed polytype can
The syringe of the continuous injection of two kinds of liquids of satisfaction simultaneously or hybrid injection is although conventional syringe can to a certain degree be overcome once only
A kind of medicine can be carried out with the drawbacks of inject operation, but the complex structure of current this kind of syringe, operation and regular maintenance are difficult
Degree is big, and produce, using and regular maintenance cost of a relatively high, therefore cannot popularize in an all-round way in medical treatment activist and use,
The needs of medical real work cannot effectively be met, for this problem, in the urgent need to developing a kind of syringe device of invention,
To meet actually used needs.
Content of the invention
For a kind of not enough present on prior art, present invention novel manual injector for medical purpose of offer, this inventive structure
Simply, flexible and convenient to use, using and low production cost, injection control accuracy is high, on the one hand can realize two kinds of medicines simultaneously
Between in order continuously every being injected, improve drug injection operating efficiency and drug effect and play efficiency, on the other hand can effectively subtract
The misery of light patient, improves flexibility and the reliability of drug injection operation.
To achieve these goals, the present invention is to realize by the following technical solutions：
A kind of novel manual injector for medical purpose, including including syringe, plunger, push rod, check valve, mozzle, plunger totally two
Individual, it is embedded in respectively in syringe along syringe axis direction and is slidably connected with syringe inwall, plunger is all coaxially distributed with syringe, and two
Spacing between plunger is not more than the 4/5 of syringe effective length, plunger is all provided with flowing hole, flowing hole is coaxially distributed with plunger,
Described check valve is embedded in each plunger excessively stream in the hole, and is all provided with least one check valve in each plunger, check valve front end face with
Plunger front end face is concordant, and after being located at the plunger of syringe terminal position wherein in plunger, surface is connected with push rod front end, on this plunger
Excessively stream bore end is connected with mozzle and wireway, and push rod is coaxially distributed with syringe, and its end is located at outside syringe, mozzle and leading
Tracheae be embedded in push rod outer surface and with the distribution of push rod diameter parallel, and mozzle and wireway be parallel to each other distribution, and end is located at
It is in 0 ° of 90 ° of angle outside syringe and with push rod axis.
Further, described syringe Front-end Design amount device, described metering device is slidably connected with syringe outer surface,
And connect with inside syringe front end face.
Further, described push rod separately sets at least one LED/light source.
Further, it is slidably connected by walking mechanism between described push rod and syringe inwall,
Further, described mozzle sets flow measurement pump, and flow measurement pump is embedded on push rod outer surface.
Further, separately connected by least one flexible connection mechanism between described plunger, described elastic connection
Device distribution parallel with syringe axis.
Further, described flexible connection mechanism be spring, any one or two kinds of shared structures in elastic caoutchouc rod
Become, and when elastic connection structure is shared with elastic caoutchouc rod for spring, then spring is coated on outside elastic caoutchouc rod.
Present configuration is simple, flexible and convenient to use, using and low production cost, injection control accuracy is high, on the one hand
Can realize between two kinds of medicines in order continuously every being injected simultaneously, improve drug injection operating efficiency, pharmaceutical compositions mixing
Control ability of regulation and control and drug effect to play efficiency, thus reaching the quality improving medical treatment work and efficiency, and reduce medical treatment and rescue
Control the risk of operation, on the other hand also can effectively mitigate the misery of patient, reduce disease to the safe threat of patient vitals and fall
The manpower of low disease quality and financial cost.
Brief description
To describe the present invention with reference to the accompanying drawings and detailed description in detail；
Fig. 1 is structural representation during the present invention nonelastic bindiny mechanism；
Fig. 2 is structural representation during spring for flexible connection mechanism of the present invention；
Fig. 3 is structural representation during elastic caoutchouc rod for flexible connection mechanism of the present invention；
Fig. 4 is structural representation when spring and elastic caoutchouc rod for flexible connection mechanism of the present invention.
Specific embodiment
Technological means, creation characteristic, reached purpose and effect for making the present invention realize are easy to understand, with reference to
Specific embodiment, is expanded on further the present invention.
A kind of novel manual injector for medical purpose as described in Fig. 1,2,3 and 4, including inclusion syringe 1, plunger 2, push rod 3, list
To valve 4, mozzle 5 and wireway 13, plunger 2 totally two, along syringe 1 axis direction be embedded in respectively in syringe 1 and with syringe 1 in
Wall is slidably connected, and plunger 2 is all coaxially distributed with syringe 1, and the spacing between two plungers 2 is not more than the 4/ of syringe 1 effective length
5, plunger 2 is all provided with flowing hole 6, flowing hole 6 is coaxially distributed with plunger 2, check valve 4 is embedded in each plunger 2 flowing hole 6, and often
It is all provided with least one check valve 4 in individual plunger 2, check valve 4 front end face is concordant with plunger 2 front end face, wherein in plunger 2, be located at pin
After the plunger 2 of cylinder 1 terminal position, surface is connected with push rod 3 front end, flowing hole 6 end and mozzle 5 and wireway on this plunger 2
13 connections, push rod 3 is coaxially distributed with syringe 1, and its end is located at outside syringe 1, and mozzle 5 and wireway 13 are embedded in push rod 3 appearance
Face simultaneously with the distribution of push rod 3 diameter parallel, and mozzle 5 and wireway 13 be parallel to each other distribution, end be located at outside syringe 1 and with
Push rod 3 axis is in 0 ° of 90 ° of angle.
In the present embodiment, described syringe 1 Front-end Design amount device 7, described metering device 7 and syringe 1 outer surface cunning
It is dynamically connected, and connect with inside syringe 1 front end face.
In the present embodiment, described push rod 3 separately sets at least one LED/light source 8, between described push rod 3 and syringe 1 inwall
It is slidably connected by walking mechanism 9,
In the present embodiment, described mozzle 5 sets flow measurement pump 10, and flow measurement pump 10 is embedded in push rod 3 appearance
On face.
Additional embodiment of the present invention, referring to Fig. 2 to Fig. 4, separately passes through at least one elastic connection machine between described plunger 2
Structure connects, and described elastic connecting device is distributed with syringe 1 diameter parallel.
In the present embodiment, described flexible connection mechanism is spring 11, any one or two kinds in elastic caoutchouc rod 12
Share and constitute, and when elastic connection structure is shared with elastic caoutchouc rod 12 for spring 11, then spring 11 is coated on elastic caoutchouc
Outside rod 12.
The present invention in the specific implementation, the distance between two plungers first close to 0, when carrying out the filling of medicine,
Driving push rod thinks syringe movement outside along syringe axis direction, and drive be connected with push rod plunger synchronous to side shifting outside syringe,
Plunger positioned at syringe front end is then synchronous in the presence of air pressure or under the driving of air pressure and elastic connection structure
Think the outer side shifting of syringe, thus liquid is drawn in the syringe section between end plug before syringe front end and syringe, then pass through
Import liquid between mozzle imagination plunger, and in liquid importing process, push rod taken plunger and continued to think the outer side shifting of syringe,
Thus liquid is filled into position between two plungers, when carrying out drug injection, by push rod under external force, at the uniform velocity
Being expressed in syringe, thus causing the liquid times positioned at syringe front end to discharge in syringe first, and making to be located at syringe front end
Plunger offset with syringe front end face, then proceed to driving push rod and think motion in syringe, thus causing liquid between two plungers
The pressure rise born, and when liquid bear pressure be more than check valve driving force when, then the liquid between two plungers lead to
Before crossing syringe, the flowing hole of end plug is discharged from syringe and is completed the injection operation of liquid.
Present configuration is simple, flexible and convenient to use, using and low production cost, injection control accuracy is high, on the one hand
Can realize between two kinds of medicines in order continuously every being injected simultaneously, improve drug injection operating efficiency, pharmaceutical compositions mixing
Control ability of regulation and control and drug effect to play efficiency, thus reaching the quality improving medical treatment work and efficiency, and reduce medical treatment and rescue
Control the risk of operation, on the other hand also can effectively mitigate the misery of patient, reduce disease to the safe threat of patient vitals and fall
The manpower of low disease quality and financial cost.
General principle and principal character and the advantages of the present invention of the present invention have been shown and described above.The technology of the industry
, it should be appreciated that the present invention is not restricted to the described embodiments, the simply explanation described in above-described embodiment and specification is originally for personnel
The principle of invention, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, these changes
Change and improvement both falls within scope of the claimed invention.Claimed scope by appending claims and its
Equivalent thereof.
Claims (5)
1. a kind of novel manual injector for medical purpose it is characterised in that：Described novel manual injector for medical purpose including syringe,
Plunger, push rod, check valve, mozzle, described plunger totally two, it is embedded in respectively in syringe along syringe axis direction and and syringe
Inwall is slidably connected, and described plunger is all coaxially distributed with syringe, and the spacing between two plungers is not more than syringe effective length
4/5, described plunger is all provided with flowing hole, described flowing hole is coaxially distributed with plunger, and described check valve is embedded in each post
It is all provided with least one check valve, described check valve front end face is concordant with plunger front end face in plug excessively stream in the hole, and each plunger,
After being located at the plunger of syringe terminal position in wherein said plunger, surface is connected with push rod front end, excessively stream bore end on this plunger
Connect with mozzle and wireway, described push rod is coaxially distributed with syringe, the end of described push rod is located at outside syringe, described
Mozzle and wireway be embedded in push rod outer surface and with the distribution of push rod diameter parallel, and mozzle and wireway be parallel to each other point
Cloth, the end of described mozzle and wireway is located at outside syringe and is in 0 ° of 90 ° of angle with push rod axis；Before described syringe
End design flow device, described metering device is slidably connected with syringe outer surface, and connects with inside syringe front end face, described
It is slidably connected by walking mechanism between push rod and syringe inwall.
2. a kind of novel manual injector for medical purpose according to claim 1 it is characterised in that：Separately set on described push rod to
A few LED/light source.
3. a kind of novel manual injector for medical purpose according to claim 1 it is characterised in that：Stream is set on described mozzle
Measure measuring pump, and flow measurement pump is embedded on push rod outer surface.
4. a kind of novel manual injector for medical purpose according to claim 1 it is characterised in that：Separately lead between described plunger
Cross at least one flexible connection mechanism to connect, the distribution parallel with syringe axis of described elastic connecting device.
5. a kind of novel manual injector for medical purpose according to claim 4 it is characterised in that：Described flexible connection mechanism
It is spring, any one or two kinds in elastic caoutchouc rod share and constitute, and when elastic connection structure is spring and elastic caoutchouc
When rod shares, then spring is coated on outside elastic caoutchouc rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610859476.XA CN106421992A (en) | 2016-09-28 | 2016-09-28 | Novel manual medical syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610859476.XA CN106421992A (en) | 2016-09-28 | 2016-09-28 | Novel manual medical syringe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106421992A true CN106421992A (en) | 2017-02-22 |
Family
ID=58171245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610859476.XA Pending CN106421992A (en) | 2016-09-28 | 2016-09-28 | Novel manual medical syringe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106421992A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106983579A (en) * | 2017-05-15 | 2017-07-28 | 青岛澳德思瑞智能免疫技术有限公司 | A kind of dual circuit injects handle |
| CN107028677A (en) * | 2017-05-15 | 2017-08-11 | 青岛澳德思瑞智能免疫技术有限公司 | A kind of syringe with intelligent propulsive mechanism |
| CN108785802A (en) * | 2018-07-17 | 2018-11-13 | 张丹 | Scope undertissue glue injects special syringe |
| CN109498458A (en) * | 2018-11-30 | 2019-03-22 | 南京医科大学附属逸夫医院 | A kind of novel infant medicine-feeding device |
| CN110496269A (en) * | 2019-08-01 | 2019-11-26 | 广东和翔制药有限公司 | One kind now filling formula catheter flusher |
| CN110638506A (en) * | 2019-11-11 | 2020-01-03 | 常州市第一人民医院 | Pneumothorax puncture device with uniform-speed liquid pumping function for department of respiration |
| CN114025814A (en) * | 2019-05-03 | 2022-02-08 | 康尔福盛303公司 | Multi-chamber syringe |
| CN115315283A (en) * | 2020-03-17 | 2022-11-08 | 贝克顿迪金森法国公司 | Stopper for medical injection device |
| CN114025814B (en) * | 2019-05-03 | 2024-04-19 | 康尔福盛303公司 | Multi-chamber syringe |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080208137A1 (en) * | 2005-05-16 | 2008-08-28 | Fago Frank M | Multi-Stage Sryinge and Methods of Using the Same |
| CN202223679U (en) * | 2011-09-19 | 2012-05-23 | 黄瑛 | Automatic controller for insulin pain-free injection |
-
2016
- 2016-09-28 CN CN201610859476.XA patent/CN106421992A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080208137A1 (en) * | 2005-05-16 | 2008-08-28 | Fago Frank M | Multi-Stage Sryinge and Methods of Using the Same |
| CN202223679U (en) * | 2011-09-19 | 2012-05-23 | 黄瑛 | Automatic controller for insulin pain-free injection |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106983579A (en) * | 2017-05-15 | 2017-07-28 | 青岛澳德思瑞智能免疫技术有限公司 | A kind of dual circuit injects handle |
| CN107028677A (en) * | 2017-05-15 | 2017-08-11 | 青岛澳德思瑞智能免疫技术有限公司 | A kind of syringe with intelligent propulsive mechanism |
| CN108785802A (en) * | 2018-07-17 | 2018-11-13 | 张丹 | Scope undertissue glue injects special syringe |
| CN109498458A (en) * | 2018-11-30 | 2019-03-22 | 南京医科大学附属逸夫医院 | A kind of novel infant medicine-feeding device |
| CN109498458B (en) * | 2018-11-30 | 2024-03-26 | 南京市浦口医院 | Novel medicine feeder for infants |
| CN114025814A (en) * | 2019-05-03 | 2022-02-08 | 康尔福盛303公司 | Multi-chamber syringe |
| CN114025814B (en) * | 2019-05-03 | 2024-04-19 | 康尔福盛303公司 | Multi-chamber syringe |
| CN110496269A (en) * | 2019-08-01 | 2019-11-26 | 广东和翔制药有限公司 | One kind now filling formula catheter flusher |
| CN110638506A (en) * | 2019-11-11 | 2020-01-03 | 常州市第一人民医院 | Pneumothorax puncture device with uniform-speed liquid pumping function for department of respiration |
| CN115315283A (en) * | 2020-03-17 | 2022-11-08 | 贝克顿迪金森法国公司 | Stopper for medical injection device |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170222 |