CN107174701A - One kind can avoid liquid medicine contamination and reusable syringe - Google Patents
One kind can avoid liquid medicine contamination and reusable syringe Download PDFInfo
- Publication number
- CN107174701A CN107174701A CN201710544977.3A CN201710544977A CN107174701A CN 107174701 A CN107174701 A CN 107174701A CN 201710544977 A CN201710544977 A CN 201710544977A CN 107174701 A CN107174701 A CN 107174701A
- Authority
- CN
- China
- Prior art keywords
- housing
- syringe
- head
- injector
- liquid medicine
- 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
-
- 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
- A61M5/3129—Syringe barrels
Landscapes
- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
Liquid medicine contamination and reusable syringe can be avoided the invention discloses one kind, including hollow injector housing (1) and the piston rod (2) being arranged in the inner chamber of the injector housing (1), the open at one end of the injector housing (1), the other end is provided with the head for being used for placing syringe needle, the piston rod (2) is stretched out from the opening end of injector housing (1), the injector housing (1) includes the first housing (11) and the second housing (12) mutually fastened, first housing (11) forms the cavity for accommodating decoction soft bag (6) when being fastened with second housing (12), injector housing (1) is provided with the attachment structure (3) for being used for connecting first housing (11) and the second housing (12).The syringe construction is simple, easy to use, sanitation and hygiene, and decoction can be avoided to occur secondary pollution and the waste of reusable reduction material.
Description
Technical field
The invention belongs to technical field of medical instruments, and in particular to one kind can avoid liquid medicine contamination and reusable note
Emitter.
Background technology
Injection is a common behavior of medical treatment, and traditional injection is injected using after disposable syringe repeatedly aspiration medicinal liquid
Into the human body, the not reproducible waste for using, not only causing material of this disposable syringe, and in injection process Chinese medicine
Liquid is easily secondary polluted with air contact.The blood vessel of human body is the system of a closing, and it is then that decoction is indirectly or straight to inject
Connect and be injected into the system of this closing.Once the decoction being input in blood vessel contains thermal source, bacterium, patient will produce at once
The symptoms such as heating, palpitaition, uncomfortable in chest or even shock.
At present, injection process, which can produce the link of secondary pollution, mainly following two：1st, syringe is from medicinal liquid bottle
When extracting decoction；2nd, decoction ingress of air in syringe.In order to avoid material waste, avoid causing decoction secondary dirt
Dye is, it is necessary to develop a kind of sanitation and hygiene and reusable syringe.
The content of the invention
The technical problems to be solved by the invention are to overcome the shortcomings of to mention with defect that there is provided one in background above technology
Kind is simple in construction, easy to use, sanitation and hygiene to avoid liquid medicine contamination and reusable syringe.
In order to solve the above technical problems, technical scheme proposed by the present invention is：
One kind can avoid liquid medicine contamination and reusable syringe, including hollow injector housing and be arranged on institute
The piston rod in the inner chamber of injector housing, the open at one end of the injector housing are stated, the other end, which is provided with, to be used to wear syringe needle
Head, the piston rod stretches out from the opening end of injector housing, and the injector housing includes the first shell mutually fastened
Body and the second housing, first housing and second housing fasten the cavity to be formed for accommodating medicine bag and piston rod, note
Emitter housing is provided with the attachment structure for being used for connecting first housing and the second housing.
It is used as the further improvement to above-mentioned technical proposal：
It is preferred that, the attachment structure include located at second housing head connection ring, first housing and
The head of second housing is hollow semi-cylindrical, and the connection ring is around the head for being fixedly installed on second housing, institute
When stating the first housing and the second housing fastening, the head of the first housing is stretched into be attached in the connection ring.
It is furthermore preferred that the upper edge of the connection ring is provided with groove, the groove is provided with opening in the inner side of connection ring so that
Groove and ft connection, width of the width not less than the head of first housing of groove, the length on the head of the first housing
More than the length of the groove.
It is preferred that, the edge that first housing and the second shell body phase are mutually fastened be provided with prevent the first housing or
The radial direction position limiting structure that second housing is radially slided.
It is furthermore preferred that the radial direction position limiting structure includes being located at the first of the first housing lower edge along the axial direction of syringe
Flange, first flange is two, and two first flanges are respectively arranged on the inside of the both sides lower edge of first housing, institute
State the second flange that radial direction position limiting structure also includes being located at the second housing lower edge along the axial direction of syringe, second flange
For two, two second flanges are respectively arranged on the both sides of second housing along outside.
It is furthermore preferred that the distance between two described second flange inners are equal between two first flange outer sides
Distance.
It is preferred that, the opening end of the injector housing is provided with axle when limiting first housing and the second housing fastening
To the axial limit structure of displacement, the axial limit structure include the opening end located at first housing limiting tooth and
Located at the stopper slot matched with the limiting tooth of the opening end of second housing.
Compared with prior art, the advantage of the invention is that：
(1) injector housing is set to the first housing and the second housing mutually fastened, and set in injector housing
Put the attachment structure for connecting first housing and the second housing.In use, the first housing and the second housing are first separated, by medicine
Liquid soft bag is put into the cavity of injector housing, then fastens the first housing and the second housing, promotes piston rod to be noted
Penetrate.Decoction direct injection enters in patient's body when the syringe is used, and ingress of air, can not avoid secondary pollution, and decoction
Do not contacted directly with injector housing, syringe is reusable, it is simple in construction, easy to use.
(2) using the connection ring around the head for being fixedly installed on the second housing as attachment structure, by the first housing
Head is stretched into connection ring and is attached, simple in construction, convenient disassembly, improves the convenience that the syringe is used.
(3) groove is opened up on the upper edge of connection ring, the groove is provided with opening in the inner side of connection ring, groove connects with outside
Logical, width of the width not less than the head of the first housing of groove, the length on the head of the first housing is more than the length of groove.When
Need to separate the first housing and the first housing need to only be slided backward to a small distance during the second housing to be lifted up making first again
The head of housing is stretched out at groove, without making the head of the first housing be exited completely from connection ring, further improves
The convenience that the syringe is used.
(4) by setting radial direction position limiting structure and axial limit structure, it is to avoid the first housing and the second housing hair after fastening
Raw diametrically displacement and axially opposing displacement, improves the structural stability after the syringe is fastened.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are the present invention
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
These accompanying drawings obtain other accompanying drawings.
Fig. 1 is schematic diagram when syringe of the present invention is used.
Fig. 2 is the structural representation after the first housing in syringe of the present invention and the second housing fastening.
Fig. 3 is the partial enlarged drawing at A in Fig. 2.
Fig. 4 is the front view of the first housing in syringe of the present invention.
Fig. 5 is Fig. 4 upward view.
Fig. 6 is the front view of the second housing in syringe of the present invention.
Fig. 7 is Fig. 6 top view.
Fig. 8 is the structural representation with the matching used decoction soft bag of syringe of the present invention.
Marginal data：
1st, injector housing；2nd, piston rod；3rd, attachment structure；6th, decoction soft bag；7th, syringe needle；11st, the first housing；12nd,
Two housings；31st, connection ring；41st, the first flange；42nd, the second flange；51st, limiting tooth；52nd, stopper slot；311st, groove.
Embodiment
For the ease of understanding the present invention, more complete is made to the present invention below in conjunction with Figure of description and preferred embodiment
Face, meticulously describe, but protection scope of the present invention is not limited to embodiment in detail below.
It should be strongly noted that when a certain element, to be described as " be fixed on, be fixed in, be connected to or be communicated in " another
When on element, it can be directly fixed, affixed, connection or connect on another element or by connecting in the middle of other
Fitting is indirectly fixed, affixed, connection or connection are on another element.
Unless otherwise defined, the implication that all technical terms used hereinafter are generally understood that with those skilled in the art
It is identical.Technical term used herein is intended merely to describe the purpose of specific embodiment, is not intended to the limitation present invention
Protection domain.
Embodiment：
As shown in Figures 1 to 7, a kind of present invention can avoid liquid medicine contamination and reusable syringe, the syringe
Including hollow injector housing 1 and the piston rod 2 being arranged in the inner chamber of the injector housing 1.One end of injector housing 1
Opening, the other end is provided with the head for being used for wearing syringe needle.Piston rod 2 stretches out from the opening end of injector housing 1, is lived by push-and-pull
With piston, the movement in the inner chamber of injector housing 1 can carry out injection operation to stopper rod 2.The injector housing 1 includes mutual
The first housing 11 and the second housing 12 fastened, the housing 12 of the first housing 11 and second, which fastens to be formed, to be used to accommodate medicine bag and work
The cavity of stopper rod 2.The attachment structure 3 for connecting the first housing 11 and the second housing 12 is additionally provided with injector housing 1.With this
Matching used syringe is decoction soft bag 6, using container of the soft silicon glue material as decoction, syringe needle 7 and the knot of decoction soft bag 6
It is integrated (referring to Fig. 8).In use, first opening in the first housing 11, the inner chamber that decoction soft bag 6 is put into injector housing 1, make
Syringe needle 7 stretches out from the head of injector housing 1, then covers the first housing 11, by attachment structure 3 by the first housing 11 and second
Housing 12 is connected, and piston rod 2 is pushed ahead, and decoction is inputted into the intravascular of patient by syringe needle 7, due to accommodating the appearance of decoction
Device is flexible material, does not interfere with syringe piston propulsion, can be extruded to minimum with piston, it is ensured that decoction is expelled from completely
Go.In injection process, syringe does not directly contact decoction, is recycled recycling, and decoction directly inputs human vas,
Not with air contact, secondary pollution effectively prevent.
In the present embodiment, attachment structure 3 includes the connection ring 31 located at the head of the second housing 12.First housing 11 and
The head of two housings 12 is hollow semi-cylindrical, and connection ring 31 is around the head for being fixedly installed on the second housing 12.When first
When the housing 12 of housing 11 and second is fastened, the head of the first housing 11 is stretched into be attached in connection ring 31.Using around fixation
The connection ring 31 on head of the second housing 12 is arranged on as attachment structure, the head of the first housing 11 is stretched into connection ring 31
It is attached, simple in construction, convenient disassembly, improves the convenience that the syringe is used.
The upper edge of the connection ring 31 is provided with groove 311, and groove 311 is provided with opening in the inner side of connection ring 31 so that groove
311 and ft connection.Only the first housing 11 need to be slided backward one when needing and separating the first housing 11 and the second housing 12 small
Segment distance is lifted up making again the head of the first housing 11 to be stretched out at groove 311, the head without making the first housing 11
Portion is exited from connection ring 31 completely, further increases the convenience that the syringe is used.The width of the groove 311 is not less than the
The width on the head of one housing 11, it is ensured that the head of the first housing 11 can smoothly be exited from groove 311.And the head of the first housing 11
The length in portion be more than groove 311 length, it is ensured that the first housing 11 and the second housing 12 fastening when the first housing 11 head with
Connection ring 31 is effectively connected.
In the present embodiment, the edge mutually fastened in the first housing 11 and the second housing 12, which is set, prevents the first housing 11
Or the second radial direction position limiting structure that radially slides of housing 12.The radial direction position limiting structure is included along the axial direction of syringe located at the
First flange 41 of the lower edge of one housing 11.First flange 41 is two, and two the first flanges 41 are respectively arranged on the first housing 11
Both sides lower edges on the inside of.Radial direction position limiting structure also includes the second flange that the lower edge of the second housing 12 is located at along the axial direction of syringe
42, second flange 42 is also two, and two the second flanges 42 are respectively arranged on the both sides of the second housing 12 along outside.First shell
When the housing 12 of body 11 and second is fastened, two the first flanges 41 are placed in two the second flanges 42, effectively prevent after fastening
Diametrically displacement occurs for the first housing 11 and the second housing 12, improves the structural stability after the syringe is fastened.More
It is preferred that scheme be：The distance between inner side of two the second flanges 42 is equal to the distance between two outsides of the first flanges 41.The
One flange 41 is just stuck in the second flange 42, radially spacing relatively reliable.Certainly, the radial direction position limiting structure can also use other
Two the first flanges 41, are such as respectively arranged on the outside of the both sides lower edge of the first housing 11 by similar structure, and second convex by two
Edge 42 is respectively arranged on the both sides of the second housing 12 along inner side, and the second flange 42 is placed in the first flange 41 during fastening.These classes
It should also belong to like structure in protection scope of the present invention.
In the present embodiment, when the opening end of injector housing 1 is fastened provided with the first housing 11 of limitation and the second housing 12
Axial displacement axial limit structure.The axial limit structure include located at the first housing 11 opening end limiting tooth 51 with
And the stopper slot 52 matched with the limiting tooth 51 of the opening end located at the second housing 12.During fastening, when the first housing 11 to
Before be advanced to behind precalculated position, positioned at opening end limiting tooth 51 insertion stopper slot 52 in positioned, it is to avoid first after fastening
Unnecessary axially opposing displacement occurs for the housing 12 of housing 11 and second, further increases the Stability Analysis of Structures after syringe is fastened
Property.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (7)
1. one kind can avoid liquid medicine contamination and reusable syringe, including hollow injector housing (1) and it is arranged on
Piston rod (2) in the inner chamber of the injector housing (1), the open at one end of the injector housing (1), the other end is provided with use
In the head for wearing syringe needle (7), the piston rod (2) is stretched out from the opening end of injector housing (1), it is characterised in that：It is described
Injector housing (1) includes the first housing (11) and the second housing (12) that mutually fasten, first housing (11) with it is described
Second housing (12) forms the cavity for accommodating decoction soft bag (6) when fastening, injector housing (1), which is provided with, to be used to connect institute
State the attachment structure (3) of the first housing (11) and the second housing (12).
2. according to claim 1 avoid liquid medicine contamination and reusable syringe, it is characterised in that：The company
Binding structure (3) includes the connection ring (31) located at the head of second housing (12), first housing (11) and second shell
The head of body (12) is hollow semi-cylindrical, and the connection ring (31) is around the head for being fixedly installed on second housing (12)
When portion, first housing (11) and the second housing (12) fastening, the connection ring (31) is stretched on the head of the first housing (11)
Inside it is attached.
3. according to claim 2 avoid liquid medicine contamination and reusable syringe, it is characterised in that：The company
The upper edge for connecing ring (31) is provided with groove (311), and the groove (311) is provided with opening in the inner side of connection ring (31) so that groove
(311) and ft connection, the width of groove (311) is not less than the width on the head of first housing (11), the first housing
(11) length on head is more than the length of the groove (311).
4. according to claim 1 avoid liquid medicine contamination and reusable syringe, it is characterised in that：Described
The edge that one housing (11) and second housing (12) are mutually fastened, which is provided with, prevents the first housing (11) or the second housing
(12) the radial direction position limiting structure radially slided.
5. according to claim 4 avoid liquid medicine contamination and reusable syringe, it is characterised in that：The footpath
Include the first flange (41) that the first housing (11) lower edge is located at along the axial direction of syringe to position limiting structure, described first is convex
Edge (41) is two, and two first flanges (41) are respectively arranged on the inside of the both sides lower edge of first housing (11), described
Radial direction position limiting structure also includes the second flange (42) that the second housing (12) lower edge is located at along the axial direction of syringe, described the
Two flanges (42) are two, and two second flanges (42) are respectively arranged on the both sides of second housing (12) along outside.
6. according to claim 5 avoid liquid medicine contamination and reusable syringe, it is characterised in that：Two institutes
State the distance between the second flange (42) inner side and be equal to the distance between two described first flanges (41) outsides.
7. avoid liquid medicine contamination and reusable syringe, its feature according to any one of claim 1-6
It is：When the opening end of the injector housing (1) is fastened provided with limitation first housing (11) and the second housing (12)
The axial limit structure of axial displacement, the axial limit structure includes the spacing of the opening end located at first housing (11)
The stopper slot (52) matched with the limiting tooth (51) of tooth (51) and opening end located at second housing (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710544977.3A CN107174701A (en) | 2017-07-05 | 2017-07-05 | One kind can avoid liquid medicine contamination and reusable syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710544977.3A CN107174701A (en) | 2017-07-05 | 2017-07-05 | One kind can avoid liquid medicine contamination and reusable syringe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107174701A true CN107174701A (en) | 2017-09-19 |
Family
ID=59845178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710544977.3A Pending CN107174701A (en) | 2017-07-05 | 2017-07-05 | One kind can avoid liquid medicine contamination and reusable syringe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107174701A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2139834Y (en) * | 1992-12-10 | 1993-08-11 | 及兰平 | Seperate disposable injector |
| DE4234383A1 (en) * | 1992-10-06 | 1994-04-07 | Kaeufer Helmut Prof Dr | Reusable medical syringe having modular design - allows simple exchange of inner module comprising liq.-contacting elements. |
| CN1094967A (en) * | 1992-11-23 | 1994-11-16 | 钱品华 | A kind of reservoir and the syringe of making by reservoir |
| CN2236326Y (en) * | 1995-06-20 | 1996-10-02 | 谢世庚 | Inner capsule-style syringe |
| CN2531796Y (en) * | 2001-12-11 | 2003-01-22 | 胡永良 | Environment protection type aseptic syringe |
| CN200994971Y (en) * | 2006-11-21 | 2007-12-26 | 甄宏伟 | Improved syringe |
| CN202144337U (en) * | 2011-06-29 | 2012-02-15 | 张胜 | Fresh-keeping box |
| DE202016100531U1 (en) * | 2016-02-03 | 2016-02-22 | H & B Electronic Gmbh & Co. Kg | injection device |
| CN205525790U (en) * | 2016-03-07 | 2016-08-31 | 兰溪市嘉华塑业有限公司 | Wet piece of cloth covers in bags with lock structure |
-
2017
- 2017-07-05 CN CN201710544977.3A patent/CN107174701A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4234383A1 (en) * | 1992-10-06 | 1994-04-07 | Kaeufer Helmut Prof Dr | Reusable medical syringe having modular design - allows simple exchange of inner module comprising liq.-contacting elements. |
| CN1094967A (en) * | 1992-11-23 | 1994-11-16 | 钱品华 | A kind of reservoir and the syringe of making by reservoir |
| CN2139834Y (en) * | 1992-12-10 | 1993-08-11 | 及兰平 | Seperate disposable injector |
| CN2236326Y (en) * | 1995-06-20 | 1996-10-02 | 谢世庚 | Inner capsule-style syringe |
| CN2531796Y (en) * | 2001-12-11 | 2003-01-22 | 胡永良 | Environment protection type aseptic syringe |
| CN200994971Y (en) * | 2006-11-21 | 2007-12-26 | 甄宏伟 | Improved syringe |
| CN202144337U (en) * | 2011-06-29 | 2012-02-15 | 张胜 | Fresh-keeping box |
| DE202016100531U1 (en) * | 2016-02-03 | 2016-02-22 | H & B Electronic Gmbh & Co. Kg | injection device |
| CN205525790U (en) * | 2016-03-07 | 2016-08-31 | 兰溪市嘉华塑业有限公司 | Wet piece of cloth covers in bags with lock structure |
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| 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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170919 |
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| RJ01 | Rejection of invention patent application after publication |