CN209154517U - A kind of drug dispensing injection connecting tube - Google Patents
A kind of drug dispensing injection connecting tube Download PDFInfo
- Publication number
- CN209154517U CN209154517U CN201821014081.0U CN201821014081U CN209154517U CN 209154517 U CN209154517 U CN 209154517U CN 201821014081 U CN201821014081 U CN 201821014081U CN 209154517 U CN209154517 U CN 209154517U
- Authority
- CN
- China
- Prior art keywords
- connecting tube
- syringe
- drug dispensing
- connector
- check valve
- 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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Abstract
The utility model discloses a kind of drug dispensings to inject connecting tube, and the drug dispensing injection connecting tube includes syringe, plunger and several connecting tubes, and the plunger moves in syringe, and the connecting tube is mounted on syringe front end；Check valve is provided in the connecting tube, the check valve is hollow check valve.The utility model realizes the self-locking operation of syringe using two different elastic rack structures, and the case where cross-infection occurs in avoidable self-locking injection syringe, while can effectively fix syringe, to prevent there is phenomena such as omitting, pollution；The utility model structure is simple, when being filled with prepared a certain amount of medicament in syringe, drug dispensing operation can be carried out to medicament by injecting connecting tube by drug dispensing, check valve can ensure that medicament will not flow back simultaneously, safety and sanitation, while this drug dispensing injection connecting tube can also carry out multiple injection, reduce the case where medicament pollutes, save the cost, it is effectively practical.
Description
Technical field
The utility model relates to medical instruments field, specifically a kind of drug dispensing injects connecting tube.
Background technique
Syringe, a kind of common medical instruments, it mainly utilizes syringe needle to extract or inject gas or liquid, makes
With it is rear we usually since the syringe of syringe and plunger can not be fixedly installed togather, we often will appear omission, lose
Situations such as, while plunger also will appear because exposing in air or being touched pollution, thus situations such as causing medicine pollution.
Many pharmaceutical preparations be according to adult body redesign, children's hospital using when cause huge waste.Especially
In department of anesthesia, children's hospital, operation is mostly Little operation, and frequent suction uses drug, ceaselessly replaces syringe, not only makes
At waste, a large amount of medical white garbages are formed, Anesthetist is returned and brings huge workload.
For above situation, it would be desirable to design a kind of drug dispensing injection connecting tube, this connecting tube can be applied to be infused
In bottle, medicament can be carried out to multiple safety injection, be avoided that medical fluid backflows during multiple injection, be avoided that cross-infection.
Meanwhile plunger after use and syringe can be realized self-locking, avoid Reusability, improve safety in utilization, this be we urgently
The problem solved.
Utility model content
The purpose of this utility model is to provide a kind of drug dispensings to inject connecting tube, to solve the problems of the prior art.
To achieve the above object, the utility model provides the following technical solutions: a kind of drug dispensing injection connecting tube, the drug dispensing
Injecting connecting tube includes syringe, plunger and several connecting tubes, and the plunger moves in syringe, and the connecting tube is mounted on syringe
Front end；The connecting tube both ends are respectively arranged with the first connector and injection port, set between first connector and injection port
It is equipped with the first connection wall, the connecting tube is gradually increased along the direction cross-sectional area of the first connector；It is set in the connecting tube
It is equipped with check valve, the check valve is hollow check valve, and the check valve both ends are respectively arranged with the second connector and communication port,
The second connection wall is provided between second connector and communication port, the check valve is transversal along the direction of the second connector
Area is gradually increased；Ante-chamber, the communication port, the second connection wall are formed between the injection port, communication port and the first connection wall
And first form lumen between connection wall, forms back cavity between first connector, the second connector and the first connection wall.
The utility model devises a kind of drug dispensing injection connecting tube, including syringe, plunger and connecting tube, in connecting tube
It is provided with check valve, check valve can not flow back after the medical fluid in syringe can be made to enter the injection port of connecting tube with plunger, it is ensured that
Cross-infection phenomenon will not occur in injection process.
Further, the plunger includes piston, push rod and push handle, and described push rod one end is fixed with piston, the other end with
Push handle is fixed, and several elastic racks are provided on the back end of syringe tube wall, and the part that the plunger is contacted with elastic rack is set
It is equipped with card slot.
Further, the teeth of the elastic rack are to the inner inclination of syringe, and the card slot setting is in push rod outer wall.
Further, the teeth of the elastic rack are tilted to the outside of syringe, and the push handle is c-type, the card slot
It is arranged on the inside of the concave surface for the push handle of falling c-type.
The utility model devises two different elastic racks, when the teeth of elastic rack are towards syringe inner inclination,
Then the outer wall of push rod is arranged in card slot, and when the teeth of elastic rack are towards syringe outer inclination, push handle is set as down c-type at this time,
And card slot is arranged on the inside of push handle concave surface, the self-locking operation of syringe may be implemented in both different elastic racks, we
It can use elastic rack and card slot syringe, plunger are fixed up, syringe avoided the case where cross-infection occur, while
It is not in phenomena such as plunger is accidentally lost, pollutes.
Further, the syringe front end is provided with needle holder, and the syringe and connecting tube pass through the first connector, syringe needle
Seat is coupled；The back end of syringe is provided with hand-held part.
Connecting tube is coupled with needle holder in the utility model, disassembles connecting tube convenient for us, easy to change；
Hand-held part is provided in the utility model, the hand-holdable drug dispensing injection connecting tube of medical staff carries out injection operation, easy to use.
Further, the quantity of the connecting tube is 5, and the quantity of the elastic rack is 4, the elastic rack two
Side setting is fluted.
The setting of elastic rack two sides is fluted in the utility model, and when making self-locking injection syringe, we can pass through groove
Easily syringe is demoulded, it is easy to produce, improve speed of production.
Compared with prior art, the utility model has the beneficial effects that the utility model devises a kind of drug dispensing injection company
Adapter tube, when medicament is with forward plunger motion, enters connecting tube by the first connector, and wherein check valve is hollow check valve,
Medicament passes sequentially through the second connector and communication port enters ante-chamber, is injected by injection port, due to check valve after injection
Presence, the case where remaining medical fluid can enter lumen, can not flow back, avoid the occurrence of cross-infection along the first connection wall.
When we complete one injection operation, we can be removed the connecting tube contacted with patient, recycle adjacent
Not used connecting tube injected next time, save manpower, practical convenient.
When syringe Chinese medicine gradually decreases, plunger is moved forward with manpower, and elastic rack and card slot agree with clamping, is infused
Emitter realizes self-locking operation.
The utility model realizes the self-locking operation of syringe using two different elastic rack structures, can avoid self-locking note
There is the case where cross-infection in emitter, while can effectively fix syringe, to prevent there is phenomena such as omitting, pollution；This is practical
New structure is simple, when being filled with prepared a certain amount of medicament in syringe, by drug dispensing inject connecting tube can to medicament into
The operation of row drug dispensing, while check valve can ensure that medicament will not flow back, safety and sanitation, while this drug dispensing injection connecting tube can be with
The case where carrying out multiple injection, reducing medicament pollution, save the cost are effectively practical.
Detailed description of the invention
In order to make the content of the utility model be easier to be clearly understood, below according to specific embodiment and combine attached
Figure, is described in further detail the utility model.
Fig. 1 is the usage state diagram that a kind of drug dispensing of the utility model injects connecting tube；
Fig. 2 is the connecting pipe structure schematic diagram that a kind of drug dispensing of the utility model injects connecting tube；
Fig. 3 is the syringe and switch plunger structure diagram that a kind of drug dispensing of the utility model injects connecting tube；
Fig. 4 is the first elastic rack structure chart that a kind of drug dispensing of the utility model injects connecting tube；
Fig. 5 is the first notch figure that a kind of drug dispensing of the utility model injects connecting tube；
Fig. 6 is second of elastic rack structure chart that a kind of drug dispensing of the utility model type injects connecting tube；
Fig. 7 is second of notch figure that a kind of drug dispensing of the utility model injects connecting tube.
In figure: 1- connecting tube, 11- injection port, 12- ante-chamber, 13- lumen, 14- back cavity, the first connector of 15-, 16- first
Connection wall, 2- check valve, 21- communication port, the second connection wall of 22-, the second connector of 23-, 3- syringe, 31- needle holder, 32- hand
Hold portion, 33- elastic rack, 34- groove, 4- plunger, 41- piston, 42- push rod, 43- card slot, 44- push handle.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
It please refers to shown in Fig. 1, Fig. 2, in the utility model embodiment, a kind of drug dispensing injection connecting tube, the drug dispensing injection
Connecting tube includes syringe 3, plunger 4 and several connecting tubes 1, and the plunger 4 moves in syringe 3, and the connecting tube 1 is mounted on needle
3 front ends of cylinder；1 both ends of connecting tube are respectively arranged with the first connector 15 and injection port 11, first connector 15 and note
The first connection wall 16 is provided between loophole 11, the connecting tube 1 gradually increases along the direction cross-sectional area of the first connector 15
Greatly；Check valve 2 is provided in the connecting tube 1, the check valve 2 is hollow check valve, and 2 both ends of check valve are respectively set
There are the second connector 23 and communication port 21, the second connection wall 22, institute are provided between second connector 23 and communication port 21
Check valve 2 is stated to be gradually increased along the direction cross-sectional area of the second connector 23；The injection port 11, communication port 21 and first connect
Formation ante-chamber 12 between wall 16 is connect, forms lumen 13, institute between the communication port 21, the second connection wall 22 and the first connection wall 16
State formation back cavity 14 between the first connector 15, the second connector 23 and the first connection wall 16.
The utility model devises a kind of drug dispensing injection connecting tube, including syringe 3, plunger 4 and connecting tube 1, connection
Check valve 2 is provided in pipe 1, check valve 2 can make the medical fluid in syringe 3 with nothing after the injection port 11 of the entrance connecting tube 1 of plunger 4
Method reflux, it is ensured that cross-infection phenomenon will not occur in injection process.
The plunger 4 includes piston 41, push rod 42 and push handle 44, and described 42 one end of push rod and piston 41 are fixed, the other end
It is fixed with push handle 44, several elastic racks 33 are provided on the 3 rear end tube wall of syringe, the plunger 4 connects with elastic rack 33
The part of touching is provided with card slot 43.
The teeth of the elastic rack 33 are to the inner inclination of syringe 3, and the setting of card slot 43 is in 42 outer wall of push rod.
The teeth of the elastic rack 33 are tilted to the outside of syringe 3, and the push handle 44 is that c-type, the card slot 43 are set
It sets on the inside of the concave surface of the push handle of falling c-type 44.
The utility model devises two different elastic racks 33, when the teeth of elastic rack 33 are towards inside syringe 3
Inclination, then the outer wall of push rod 42 is arranged in card slot 43, when the teeth of elastic rack 33 are towards 3 outer inclination of syringe, push handle at this time
44 are set as down c-type, and card slot 43 is arranged on the inside of 44 concave surface of push handle, both different elastic racks 33 may be implemented to infuse
The self-locking operation of emitter, we can use elastic rack 33 and card slot 43 and syringe 3, plunger 4 be fixed up, and avoid syringe
There is the case where cross-infection, while phenomena such as plunger 4 is accidentally lost, pollutes will not occur.
3 front end of syringe is provided with needle holder 31, and the syringe 3 and connecting tube 1 pass through the first connector 15, needle holder
31 are coupled；3 rear end of syringe is provided with hand-held part 32.
Connecting tube 1 is coupled with needle holder 31 in the utility model, disassembles connecting tube 1 convenient for us, replacement
It is convenient；Hand-held part 32 is provided in the utility model, the hand-holdable drug dispensing injection connecting tube of medical staff carries out injection operation, uses
It is convenient.
The quantity of the connecting tube 1 is 5, and the quantity of the elastic rack 33 is 4, and 33 two sides of elastic rack are set
It is equipped with groove 34.
33 two sides of elastic rack setting fluted 34 in the utility model, when making self-locking injection syringe, we can pass through
Groove 34 easily demoulds syringe, easy to produce, improves speed of production.
The utility model devises a kind of drug dispensing injection connecting tube, when medicament travels forward with plunger 4, by the first company
Interface 15 enters connecting tube 1, and wherein check valve 2 is hollow check valve, and medicament passes sequentially through the second connector 23 and communication port 21
It into ante-chamber 12, is injected by injection port 11, due to the presence of check valve 2 after injection, remaining medical fluid can be along first
Connection wall 16 enters lumen 13, the case where can not flowing back, avoid the occurrence of cross-infection.
When we complete one injection operation, we can be removed the connecting tube 1 contacted with patient, recycle adjacent
Not used connecting tube 1 injected next time, save manpower, practical convenient.
When syringe Chinese medicine gradually decreases, plunger 4 is moved forward with manpower, and elastic rack 33 and card slot 43 agree with card
Tightly, syringe realizes self-locking operation.
The utility model realizes the self-locking operation of syringe using two different 33 structures of elastic rack, can avoid self-locking
There is the case where cross-infection in syringe, while can effectively fix syringe, to prevent there is phenomena such as omitting, pollution；This reality
Simple with new structure, when being filled with prepared a certain amount of medicament in syringe 3, injecting connecting tube 1 by drug dispensing can be to medicine
Agent carries out drug dispensing operation, while check valve 2 can ensure that medicament will not flow back, safety and sanitation, while this drug dispensing injects connecting tube
The case where can also carrying out multiple injection, reducing medicament pollution, save the cost are effectively practical.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (6)
1. a kind of drug dispensing injects connecting tube, it is characterised in that: the drug dispensing injection connecting tube include syringe (3), plunger (4) and if
(1) is taken in involvement, and the plunger (4) is moved in syringe (3), and the connecting tube (1) is mounted on syringe (3) front end；The company
Adapter tube (1) both ends are respectively arranged with the first connector (15) and injection port (11), first connector (15) and injection port
(11) be provided between the first connection wall (16), the connecting tube (1) along the first connector (15) direction cross-sectional area by
It is cumulative big；It is provided with check valve (2) in the connecting tube (1), the check valve (2) is hollow check valve, the check valve (2)
Both ends are respectively arranged with the second connector (23) and communication port (21), set between second connector (23) and communication port (21)
It is equipped with the second connection wall (22), the check valve (2) is gradually increased along the direction cross-sectional area of the second connector (23)；It is described
Ante-chamber (12) are formed between injection port (11), communication port (21) and the first connection wall (16), the communication port (21), the second connection
Lumen (13) are formed between wall (22) and the first connection wall (16), first connector (15), the second connector (23) and the
Back cavity (14) are formed between one connection wall (16).
2. a kind of drug dispensing according to claim 1 injects connecting tube, it is characterised in that: the plunger (4) includes piston
(41), push rod (42) and push handle (44), described push rod (42) one end and piston (41) are fixed, and the other end and push handle (44) are fixed,
It is provided with several elastic racks (33) on the tube wall of syringe (3) rear end, the portion that the plunger (4) contacts with elastic rack (33)
Set up separately and is equipped with card slot (43).
3. a kind of drug dispensing according to claim 2 injects connecting tube, it is characterised in that: the teeth of the elastic rack (33)
To the inner inclination of syringe (3), the card slot (43) is arranged in push rod (42) outer wall.
4. a kind of drug dispensing according to claim 2 injects connecting tube, it is characterised in that: the teeth of the elastic rack (33)
It is tilted to the outside of syringe (3), the push handle (44) is that c-type, the card slot (43) are arranged in the concave surface of the push handle of falling c-type (44)
Inside.
5. according to a kind of described in any item drug dispensing injection connecting tubes of claim 2-4, it is characterised in that: before the syringe (3)
End is provided with needle holder (31), and the syringe (3) and connecting tube (1) pass through the first connector (15), needle holder (31) cooperation peace
Dress；Syringe (3) rear end is provided with hand-held part (32).
6. a kind of drug dispensing according to claim 5 injects connecting tube, it is characterised in that: the quantity of the connecting tube (1) is 5
A, the quantity of the elastic rack (33) is 4, and fluted (34) are arranged in elastic rack (33) two sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821014081.0U CN209154517U (en) | 2018-06-28 | 2018-06-28 | A kind of drug dispensing injection connecting tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821014081.0U CN209154517U (en) | 2018-06-28 | 2018-06-28 | A kind of drug dispensing injection connecting tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209154517U true CN209154517U (en) | 2019-07-26 |
Family
ID=67327176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821014081.0U Expired - Fee Related CN209154517U (en) | 2018-06-28 | 2018-06-28 | A kind of drug dispensing injection connecting tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209154517U (en) |
-
2018
- 2018-06-28 CN CN201821014081.0U patent/CN209154517U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190726 Termination date: 20200628 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |