CN108721732A - A kind of multitube syringe - Google Patents
A kind of multitube syringe Download PDFInfo
- Publication number
- CN108721732A CN108721732A CN201810951877.7A CN201810951877A CN108721732A CN 108721732 A CN108721732 A CN 108721732A CN 201810951877 A CN201810951877 A CN 201810951877A CN 108721732 A CN108721732 A CN 108721732A
- Authority
- CN
- China
- Prior art keywords
- syringe
- inner cylinder
- section
- spacing collar
- port
- 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.)
- Withdrawn
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
-
- 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
- A61M5/3205—Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
- A61M5/321—Means for protection against accidental injuries by used needles
- A61M5/3243—Means for protection against accidental injuries by used needles being axially-extensible, e.g. protective sleeves coaxially slidable on the syringe barrel
- A61M5/3245—Constructional features thereof, e.g. to improve manipulation or functioning
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hematology (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Environmental & Geological Engineering (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a kind of multitube syringe, including syringe body and more protective devices, the syringe body includes the syringe of cylindrical shape, and syringe is closed in front end and open rearward end formula structure, and the inside of syringe is equipped with cylindrical plunger shaft；The front end face center of the syringe is integrally formed with needle stand; inner cylinder can be realized and be blocked to injection needle in the present invention; prevent injection needle from the case where stabbing people occur using blocking for inner cylinder; therefore whole safer; entirety can quickly finish the harmless discarding of syringe, and cleaning personnel can effectively be protected in cleaning.
Description
Technical field
The present invention relates to medical fields, more particularly, to a kind of multitube syringe.
Background technology
Syringe is a kind of common medical instruments.Early in the 15th century, Italian's Ka Di Nellies just propose syringe
Principle.It is mainly extracted with syringe needle and either injects gas or liquid.
Syringe can be used for the scientific instrument in Medical Devices, container, such as some chromatographies and be noted across diaphragm of rubber
It penetrates.Syringe common at present is mostly Bullet structure, whole exposed using syringe needle after abandoning, and is easy to other people or recycling people
Member damages.
Invention content
The present invention is to overcome the above situation insufficient, it is desirable to provide a kind of technical solution that can be solved the above problems.
A kind of multitube syringe, including syringe body and more protective devices, the syringe body include circle
The syringe of tubular, syringe is closed in front end and open rearward end formula structure, and the inside of syringe is equipped with cylindrical plunger shaft；It is described
Integrally formed with needle stand, the inside of needle stand is equipped with front and back through runner for the front end face center of syringe, wherein syringe
Front end face center offers the through-hole being connected with plunger shaft, and the wherein external port of through-hole is located at the inside position of needle stand runner
It sets, runner is realized by the through-hole and plunger shaft and is interconnected at this time；The runner front position of needle stand is fixed inserted with injection needle,
The needle cavity of injection needle and the runner of needle stand are in be connected, therefore intercommunication structure is presented in needle stand, injection needle and syringe；It is described
Sliding is provided with piston in the plunger shaft of syringe, is slided between piston and the inner surface of plunger shaft and is bonded setting；Piston rear end face
It is worn integrally formed with the piston rod being coaxially disposed with plunger shaft, open rearward end activity of the rear end through syringe of piston rod center
Go out, and the follower head of piston rod conveniently pushes and pulls piston rod using cutting somebody's hair, indirect form is to work integrally formed with cutting somebody's hair
The push-and-pull of plug, to realize drawing liquid and the fluid injection operation of syringe body；The rear port outer edge position one of the syringe
It forms and extends outwardly and be in circumferentially distributed syringe spacing collar, realize that the one hand of syringe body makes using syringe spacing collar
With；
The more protective devices include outer barrel and inner cylinder, wherein the inner cylinder is in the cylinder-like structure of both ends open,
Inner cylinder is actively set on the outside of syringe, and is coaxially disposed between inner cylinder and syringe, at the two-port of inner cylinder be equipped with extend outwardly and
In circumferentially distributed inner cylinder spacing collar；The outer barrel is in segmentation structure, and wherein outer barrel is mainly by cylindrical section and taper cone barrel section structure
At in integral structure between cylindrical section and taper cone barrel section, cylindrical section is in the cylinder-like structure of both ends open, and taper cone barrel section is in two
The cone tube shape structure of end opening, and taper cone barrel section is in front port is small and the big formula structure of rear port, the rear end of the taper cone barrel section
Mouthful dock connection with the front port of cylindrical section, and be coaxially disposed between taper cone barrel section and cylindrical section, outer sleeve in the outside of inner cylinder,
And it is coaxially disposed between inner cylinder and outer barrel；The rear port of the cylindrical section by heat it is fixed in the form of be fixed on syringe spacing collar
Front surface；The inner cylinder spacing collar is in ring-shaped structure, and the outer diameter of inner cylinder spacing collar is less than the internal diameter of cylindrical section, and inner cylinder is outer
Diameter is less than the front port internal diameter of taper cone barrel section, and the outer diameter of inner cylinder spacing collar is more than the front port internal diameter of taper cone barrel section, at this time inner cylinder
Relative telescopic formula structure is presented between outer barrel, the inner cylinder spacing collar of specific interior tube rear end can the free skating in cylindrical section
Dynamic, inner cylinder can be in a certain range front and back free to slide, while when the inner cylinder spacing collar of interior tube rear end is moved to circular cone at this time
When in cylinder section, since taper cone barrel section internal diameter is gradually reduced, when the local internal diameter of taper cone barrel section is less than the outer diameter of inner cylinder spacing collar,
The effect that relative position limitation can be presented between inner cylinder and outer barrel, to realize that inner cylinder extends the simultaneously fixed mesh in position towards front side
, and when inner cylinder side facing forward is pulled to maximum distance, injection needle is located in inner cylinder, and such inner cylinder can be realized to injection needle
It blocks, prevents injection needle from the case where stabbing people occur using blocking for inner cylinder, therefore whole safer.
As a further solution of the present invention：The outer barrel and inner cylinder are all made of PP materials and are made, and overall cost is low, can be with
It realizes disposable.
As a further solution of the present invention：Stamp has volume graduation mark on the outer surface of the syringe.
As a further solution of the present invention：The cylindrical structure of piston, and the outside fixing sleeve of piston is equipped with silicon
Glue sealing shroud.
As a further solution of the present invention：It is in integral structure between the inner cylinder spacing collar and inner cylinder.
Beneficial effects of the present invention：Inner cylinder can be realized and be blocked to injection needle in the present invention, be prevented using blocking for inner cylinder
There is the case where stabbing people in injection needle, therefore whole safer, can integrally quickly finish the harmless discarding of syringe, clear up
Personnel can effectively be protected in cleaning.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obviously, or practice through the invention is recognized.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without having to pay creative labor, may be used also for those of ordinary skill in the art
With obtain other attached drawings according to these attached drawings.
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the using renderings of the present invention.
Fig. 3 is the partial structural diagram of the present invention.
In figure：1- syringes, 2- needle stands, 3- injection needles, 4- pistons, 5- piston rods, 6- cut somebody's hair, outside 7- syringes spacing collar, 8-
Cylinder, 9- inner cylinders, 10- volumes graduation mark, 11- inner cylinders spacing collar, 12- cylindrical sections, 13- taper cone barrel sections.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig.1~3, in the embodiment of the present invention, a kind of multitube syringe, including syringe body and more it is anti-
Protection unit, the syringe body include the syringe 1 of cylindrical shape, and syringe 1 is closed in front end and open rearward end formula structure, syringe 1
Inside be equipped with cylindrical plunger shaft；The front end face center of the syringe 1 integrally formed with needle stand 2, needle stand 2 it is interior
Side is equipped with front and back through runner, and the front end face center of wherein syringe 1 offers the through-hole being connected with plunger shaft,
The external port of middle through-hole is located at the inner side of 2 runner of needle stand, and runner is realized by the through-hole and plunger shaft and is interconnected at this time；
The runner front position of needle stand 2 is fixed inserted with injection needle 3, and the needle cavity of injection needle 3 is in be connected with the runner of needle stand 2, because
Intercommunication structure is presented in this needle stand 2, injection needle 3 and syringe 1；Sliding is provided with piston 4 in the plunger shaft of the syringe 1, living
Sliding is bonded setting between plug 4 and the inner surface of plunger shaft；4 rear end face center of piston is integrally formed with coaxial with plunger shaft
Open rearward end activity of the rear end through syringe 1 of the piston rod 5 of setting, piston rod 5 is pierced by, and piston rod 5 follower head one at
Type cuts somebody's hair 6, using cut somebody's hair 6 it is convenient piston rod 5 is pushed and pulled, push-and-pull of the indirect form to piston 4, to realize injection
The drawing liquid of device ontology and fluid injection operation；The rear port outer edge position of the syringe 1 integrally formed with extend outwardly and in week
To the syringe spacing collar 7 of distribution, realize that the singlehanded of syringe body uses using syringe spacing collar 7；
The more protective devices include outer barrel 8 and inner cylinder 9, wherein cylindric knot of the inner cylinder 9 in both ends open
Structure, inner cylinder 9 is actively set on the outside of syringe 1, and is coaxially disposed between inner cylinder 9 and syringe 1, at the two-port of inner cylinder 9 be equipped with to
It is outer to extend and be in circumferentially distributed inner cylinder spacing collar 11；The outer barrel 8 is in segmentation structure, and wherein outer barrel 8 is mainly by cylindrical section
12 and taper cone barrel section 13 constitute, be in integral structure between cylindrical section 12 and taper cone barrel section 13, cylindrical section 12 is in both ends open
Cylinder-like structure, taper cone barrel section 13 is in the cone tube shape structure of both ends open, and taper cone barrel section 13 is in front port is small and rear port
Big formula structure, the rear port of the taper cone barrel section 13 dock connection, and taper cone barrel section 13 and cylinder with the front port of cylindrical section 12
It is coaxially disposed between section 12, outer barrel 8 is sleeved on the outside of inner cylinder 9, and is coaxially disposed between inner cylinder 9 and outer barrel 8；The cylindrical section 12
Rear port by heat it is fixed in the form of be fixed on the front surface of syringe spacing collar 7；The inner cylinder spacing collar 11 is tied in circular
Structure, the outer diameter of inner cylinder spacing collar 11 is less than the internal diameter of cylindrical section 12, and the outer diameter of inner cylinder 9 is less than in the front port of taper cone barrel section 13
Diameter, the outer diameter of inner cylinder spacing collar 11 are more than the front port internal diameter of taper cone barrel section 13, are presented between inner cylinder 9 and outer barrel 8 at this time opposite
The inner cylinder spacing collar 11 of telescopic structure, 9 rear end of specific inner cylinder can be free to slide in cylindrical section 12, and inner cylinder 9 is just at this time
Can in a certain range front and back free to slide, while when the inner cylinder spacing collar 11 of 9 rear end of inner cylinder is moved in taper cone barrel section 13,
It is interior when the local internal diameter of taper cone barrel section 13 is less than the outer diameter of inner cylinder spacing collar 11 since 13 internal diameter of taper cone barrel section is gradually reduced
The effect that relative position limitation can be presented between cylinder 9 and outer barrel 8, to realize that inner cylinder 9 extends towards front side and position is fixed
Purpose, and when 9 side facing forward of inner cylinder is pulled to maximum distance, injection needle 3 is located in inner cylinder 9, such inner cylinder 9 can be realized to note
Blocking for needle 3 is penetrated, prevents injection needle 3 from the case where stabbing people occur using blocking for inner cylinder 9, therefore whole safer.
The outer barrel 8 and inner cylinder 9 are all made of PP materials and are made, and overall cost is low, may be implemented disposable.
Stamp has volume graduation mark 10 on the outer surface of the syringe 1.
4 cylindrical structure of the piston, and the outside fixing sleeve of piston 4 is equipped with silica gel sealing set.
It is in integral structure between the inner cylinder spacing collar 11 and inner cylinder 9.
The present invention operation principle be：The inner cylinder spacing collar 11 of 9 rear end of inner cylinder can be free to slide in cylindrical section 12, this
When inner cylinder 9 can be in a certain range front and back free to slide, while when the inner cylinder spacing collar 11 of 9 rear end of inner cylinder is moved to taper cone barrel
When in section 13, since 13 internal diameter of taper cone barrel section is gradually reduced, when the local internal diameter of taper cone barrel section 13 is less than inner cylinder spacing collar 11
The effect that relative position limitation can be presented when outer diameter, between inner cylinder 9 and outer barrel 8, to realize that inner cylinder 9 extends simultaneously position towards front side
Fixed purpose is set, and when 9 side facing forward of inner cylinder is pulled to maximum distance, injection needle 3 is located in inner cylinder 9, such inner cylinder 9
It realizes blocking to injection needle 3, prevents injection needle 3 from the case where stabbing people occur using blocking for inner cylinder 9, therefore entirety is more pacified
Entirely, the harmless discarding of syringe can be integrally quickly finished, cleaning personnel can effectively be protected in cleaning.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
Claims (5)
1. a kind of multitube syringe, including syringe body and more protective devices, the syringe body include cylinder
The syringe of shape, syringe is closed in front end and open rearward end formula structure, and the inside of syringe is equipped with cylindrical plunger shaft；The needle
The front end face center of cylinder is integrally formed with needle stand, and the inside of needle stand is equipped with front and back through runner, wherein before syringe
End face center position offers the through-hole being connected with plunger shaft, and the wherein external port of through-hole is located at the inside position of needle stand runner
It sets, the runner front position of needle stand is fixed inserted with injection needle, and the needle cavity of injection needle and the runner of needle stand are in be connected；It is described
Sliding is provided with piston in the plunger shaft of syringe, is slided between piston and the inner surface of plunger shaft and is bonded setting；Piston rear end face
It is worn integrally formed with the piston rod being coaxially disposed with plunger shaft, open rearward end activity of the rear end through syringe of piston rod center
Go out, and the follower head of piston rod is integrally formed with cutting somebody's hair；The rear port outer edge position of the syringe is integrally formed with to extension
It stretches and is in circumferentially distributed syringe spacing collar；
It is characterized in that, the more protective devices include outer barrel and inner cylinder, wherein the inner cylinder is in the cylinder of both ends open
Shape structure, inner cylinder are actively set on the outside of syringe, and are coaxially disposed between inner cylinder and syringe, are equipped at the two-port of inner cylinder outside
Extend and is in circumferentially distributed inner cylinder spacing collar；The outer barrel is in segmentation structure, and wherein outer barrel is mainly by cylindrical section and circular cone
Cylinder section is constituted, and is in integral structure between cylindrical section and taper cone barrel section, and cylindrical section is in the cylinder-like structure of both ends open, taper cone barrel
Section is in the cone tube shape structure of both ends open, and taper cone barrel section is in front port is small and the big formula structure of rear port, the taper cone barrel section
Rear port connection is docked with the front port of cylindrical section, and be coaxially disposed between taper cone barrel section and cylindrical section, outer sleeve is in inner cylinder
Outside, and be coaxially disposed between inner cylinder and outer barrel；The rear port of the cylindrical section by heat it is fixed in the form of be fixed on syringe
The front surface of spacing collar；The inner cylinder spacing collar is in ring-shaped structure, and the outer diameter of inner cylinder spacing collar is less than the internal diameter of cylindrical section, and
The outer diameter of inner cylinder is less than the front port internal diameter of taper cone barrel section, and the outer diameter of inner cylinder spacing collar is more than the front port internal diameter of taper cone barrel section.
2. multitube syringe according to claim 1, which is characterized in that the outer barrel and inner cylinder are all made of PP material systems
At.
3. multitube syringe according to claim 1, which is characterized in that stamp has volume on the outer surface of the syringe
Graduation mark.
4. multitube syringe according to claim 1, which is characterized in that the cylindrical structure of piston, and piston
Outside fixing sleeve be equipped with silica gel sealing set.
5. multitube syringe according to claim 1, which is characterized in that be in one between the inner cylinder spacing collar and inner cylinder
Body formula structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810951877.7A CN108721732A (en) | 2018-08-21 | 2018-08-21 | A kind of multitube syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810951877.7A CN108721732A (en) | 2018-08-21 | 2018-08-21 | A kind of multitube syringe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108721732A true CN108721732A (en) | 2018-11-02 |
Family
ID=63941558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810951877.7A Withdrawn CN108721732A (en) | 2018-08-21 | 2018-08-21 | A kind of multitube syringe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108721732A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112957601A (en) * | 2021-02-02 | 2021-06-15 | 杭州亚慧生物科技有限公司 | Duplex medicine mixer and medicine adding seat used on same |
-
2018
- 2018-08-21 CN CN201810951877.7A patent/CN108721732A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112957601A (en) * | 2021-02-02 | 2021-06-15 | 杭州亚慧生物科技有限公司 | Duplex medicine mixer and medicine adding seat used on same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181102 |
|
| WW01 | Invention patent application withdrawn after publication |