CN109550114A - A kind of reverse syringe of combination - Google Patents
A kind of reverse syringe of combination Download PDFInfo
- Publication number
- CN109550114A CN109550114A CN201811621297.8A CN201811621297A CN109550114A CN 109550114 A CN109550114 A CN 109550114A CN 201811621297 A CN201811621297 A CN 201811621297A CN 109550114 A CN109550114 A CN 109550114A
- Authority
- CN
- China
- Prior art keywords
- syringe
- baffle
- reverse
- groove
- 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.)
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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
-
- A61M1/0023—
-
- 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
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/64—Containers with integrated suction means
- A61M1/67—Containers incorporating a piston-type member to create suction, e.g. 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
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/84—Drainage tubes; Aspiration tips
-
- 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
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
-
- 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
- A61M5/36—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 with means for eliminating or preventing injection or infusion of air into body
-
- 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
- A61M2005/3128—Incorporating one-way valves, e.g. pressure-relief or non-return valves
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/19—Constructional features of carpules, syringes or blisters
Abstract
The invention belongs to the field of medical instrument technology, more particularly to a kind of reverse syringe of combination, including syringe, it is set to the needle stand on syringe top, it is set to the core bar of syringe bottom end, one end that the core bar is placed in syringe is provided with piston, the other end is placed in outside syringe, and it is provided with baffle, the syringe is connected with automatic pressure check valve, for controlling the liquid for flowing into or from syringe, the reverse syringe of the combination, the oriented control of the flowing to liquid is realized by connection check valve, without flowing back, realize feed liquor, the recycling of liquid out, it avoids because of frequent contact pin, the problem of pulling out needle and leading to bacterium infection, reduce the pain caused by patient, and it is easy to operate.
Description
Technical field
The invention belongs to the field of medical instrument technology, and in particular to a kind of reverse syringe of combination.
Background technique
Syringe is a kind of common medical instruments, and early in the 15th century, Italian's Ka Di Nellie just proposes syringe
Principle.Mainly to liquid medicine injection or drawing liquid.Syringe can be used for Medical Devices, container, the section in such as some chromatographies
Instrument is learned to inject across diaphragm of rubber.Air embolism will be will lead to by directing injection of the gas into blood vessel.Air is removed from syringe
Method to avoid embolism is to be inverted syringe, gently beat and then squeeze out before being injected into blood flow a little liquid.
Current medical equipment syringe currently in use is all piston syringe, feed liquor body when taking out piston,
Liquid out when push piston, and be provided with a needle stand, this syringe be easy to appear in use bacterium infection,
It needs to pull out needle, contact pin repeatedly, especially be infused to patient or when drawing liquid, very big pain is brought to patient, it has not been convenient to.
The patent of Patent No. 200420008597.6, provides a kind of Double needle stand syringe, and the syringe of the model is set
It sets there are two needle stand, and needle stand is internally provided with valve, the adjusting of two valves is carried out by handle, it can be into although realizing
The recycling of liquid and out liquid does not need frequently to pull out needle, contact pin, but the problem of frequent adjusting handle occurs, and
Equally exist it is inconvenient, be easy to happen bacterium infection, the problem of pain can also be brought to patient by adjusting handle undue force.
Summary of the invention
The purpose of the present invention is overcoming only one needle stand of syringe in the prior art, in use need repeatedly pull out needle,
Inconvenience brought by contact pin, and the problem of be easy to happen bacterium infection.
For this purpose, the present invention provides a kind of reverse syringe of combination, including syringe, it is set to the needle stand on syringe top, if
It is placed in the core bar of syringe bottom end, one end that the core bar is placed in syringe is provided with piston, and the other end is placed in outside syringe, and is set
It is equipped with baffle, syringe is stated and is connected with automatic pressure check valve, for controlling the liquid for flowing into or from syringe.
The automatic pressure check valve is set between needle stand and syringe.
There are two the needle stand settings, and connector is fixedly connected on needle stand, and the connector includes the first fluid passage
The inner wall of the first connector sleeve for being set to first fluid passage one end periphery, first connector sleeve is provided with the first connection screw thread,
The other end is to be provided with externally threaded threaded connection mouth, and the automatic pressure check valve is set in the middle part of fluid passage, the first connector sleeve
Be threadedly coupled between mouth.
The lower end of the syringe is provided with secluding film, and one end of secluding film is connect with syringe bottom end, the other end and core bar
Bottom end connection.
The reverse syringe of combination is additionally provided with exhaust outlet, which is set to the top of syringe, and the row
Leakproof cap is threaded at the gas outlet of port.
The exhaust outlet is set on connector.
The reverse syringe of combination is connected with perfusion tube, and the automatic pressure check valve is set on perfusion tube.
The reverse syringe of combination is connected with Y type perfusion tube, and the automatic pressure check valve is set to Y type perfusion tube
Fluid passage A and fluid passage B.
The reverse syringe of combination is connected with tee tube, and the automatic pressure check valve is set to the first liquid of tee tube
Road and the second fluid passage.
The reverse syringe of combination is connected with puncture, and the automatic pressure check valve is set in the connecting tube of puncture.
The reverse syringe of combination is connected with transfusion needle, and the automatic pressure check valve is set to the connecting tube of transfusion needle
On.
The reverse syringe of combination is connected with injection needle, and the automatic pressure check valve is set to the attachment base of injection needle
On.
The baffle bottom surface is provided with cricoid first groove, the lower end of the secluding film, by coincideing with the first groove
The first rubber ring fix；The lower end of the syringe is provided with second baffle, and cricoid second is provided with above second baffle
Groove, the upper end of the secluding film are fixed by the second rubber ring coincideing with the second groove.
The baffle bottom surface is provided with cricoid first groove, the lower end of the secluding film, by coincideing with the first groove
The first rubber ring fix；The syringe lower end is provided with second baffle, and the upper end of secluding film is fixedly connected with second baffle.
The baffle top surface is provided with the first groove, and the lower end of the secluding film passes through first rubber identical with the first groove
Cushion rubber is fixed；Cricoid second groove (19), the upper end of the secluding film, by being sheathed on core are provided with below second baffle
The second rubber ring is fixed on bar.
First groove is set to the top surface of baffle, and the periphery of core bar is provided with cricoid first groove, the isolation
The lower end of film is fixed by the first rubber ring coincideing with the first groove；The upper end of secluding film is fixedly connected with second baffle.
Beneficial effects of the present invention: this reverse syringe of combination provided by the invention passes through connection check valve realization pair
The oriented control of the flowing of liquid, without flowing back, the recycling for realizing feed liquor, going out liquid is avoided because frequently
Contact pin, the problem of pulling out needle and leading to bacterium infection, reduce the pain caused by patient, and easy to operate.
The present invention is described in further details below with reference to attached drawing.
Detailed description of the invention
Fig. 1 is that double needle seat combines reverse syringe setting one schematic diagram of secluding film mode.
Fig. 2 is that double needle seat combines reverse syringe setting two schematic diagram of secluding film mode.
Fig. 3 is single needle seat syringe schematic diagram.
Fig. 4 is connector schematic diagram.
Fig. 5 is connector and exhaust outlet connection schematic diagram.
Fig. 6 is Y type perfusion tube schematic diagram.
Fig. 7 is that exhaust outlet schematic diagram is overlooked in syringe top surface.
Fig. 8 is the structural scheme of mechanism that syringe top surface overlooks that exhaust outlet is placed on connector.
Fig. 9 is perfusion tube automatic pressure check valve connection schematic diagram.
Figure 10 is to puncture and automatic pressure check valve connection schematic diagram.
Figure 11 is transfusion needle and automatic pressure check valve connection schematic diagram.
Figure 12 is perfusion tube and opens connector connection schematic diagram.
Figure 13 is perfusion tube and be threadedly coupled mouth connection schematic diagram.
Figure 14 is needle stand and automatic pressure check valve connection schematic diagram.
Figure 15 is injection needle and automatic pressure check valve connection schematic diagram.
Figure 16 is tee tube pipe schematic diagram.
In figure: 1, syringe；2, core bar plate；3, needle stand；4 secluding films；5, piston；6, baffle；7, the first rubber ring；8, leakproof
Cap；9, fluid passage；9-1, the first fluid passage；10, connector sleeve；10-1, the first connector sleeve；11, connection screw thread；11-1, the first connection spiral shell
Line；12, automatic pressure check valve；13, it is threadedly coupled mouth；14, exhaust outlet；15, connector；16, the second rubber ring；17, second
Baffle；18, the first groove；19, the second groove；20, perfusion tube；21, Y type perfusion tube；22, fluid passage A；23, fluid passage B；24, it wears
Thorn；25, transfusion needle；26, connector is opened；；27, tee tube；28, the first fluid passage；29, the second fluid passage；30, injection needle.
Specific embodiment
Reach the technical means and efficacy that predetermined purpose is taken for the present invention is further explained, below in conjunction with attached drawing and reality
Example is applied to a specific embodiment of the invention, structure feature and its effect, detailed description are as follows.
Embodiment 1:
In order to solve only one needle stand of existing syringe, need repeatedly to pull out inconvenience brought by needle, contact pin in use,
And the problem of being easy to happen bacterium infection, the present invention provides a kind of reverse syringes of combination as shown in Figure 1, including syringe
1, it is set to the needle stand 3 on 1 top of syringe, the bottom end of syringe 1 is provided with core bar 2, and one end that the core bar 2 is placed in syringe 1 is set
It is equipped with piston 5, the other end is placed in outside syringe 1, and is provided with baffle 6, and combining reverse syringe, to be connected with automatic pressure unidirectional
Valve 12, for controlling the liquid for flowing into or from syringe, it is ensured that backflow phenomenon will not occur, realize feed liquor, go out
The recycling of liquid avoids because of frequent contact pin, pulls out needle and lead to bacterium infection, bring asking for great pain to patient
Topic.
There are two the settings of needle stand 3, and automatic pressure check valve 12 is fixedly installed between needle stand 3 and syringe 1, such as Figure 14
It is shown, the flow liquid direction of this setup automatic pressure check valve 12 be it is determining, can not be changed, needle stand 3 is feed liquor
Still liquid has determined and can not be changed out, and this setup is bigger to the use limitation of the reverse syringe of the combination.
Needle stand 3 can connect two medical instruments as shown in Fig. 9, Figure 10, Figure 11, Figure 12, realize answering for different function
With.Certainly, needle stand 3 is arranged two, nor affects on the reverse syringe of the combination and realizes the function of injection for having syringe, it is only necessary to use
Leakproof cap 8 closes one of needle stand 3, retains another needle stand 3.
In order to facilitate connection, connector sleeve 10 can be set on needle stand 3, and connection screw thread is set in the inner wall of connector sleeve 10
11, fluid passage 9 is set to inside connector sleeve 10, can quickly, flexibly be connected with various medical instruments in this way.
Embodiment 2:
It is different from embodiment 1, the automatic pressure check valve 12 of the reverse syringe of combination provided in this embodiment be set to
On the connector 15 that needle stand 3 is fixedly connected.
As shown in figure 4, the connector 15 includes the first fluid passage 9-1 and is set to the of first one end fluid passage 9-1 periphery
One connector sleeve 10-1, the inner wall of the first connector sleeve 10-1 are provided with the first connection screw thread 11-1, and the other end is outside being provided with
Be threadedly coupled mouth 13, the automatic pressure check valve 12 is set to the middle part of fluid passage 9, connector sleeve 10 be threadedly coupled between mouth 13.
Connection screw thread 11 on needle stand 3 is cooperatively connected with the external screw thread for being threadedly coupled mouth 13 on connector 15, by needle stand 3
It is fixedly connected with connector 15.
Automatic pressure check valve 12 can realize flexible replacement, and automatic pressure check valve by connector 15 in this way
12 feed liquor direction can carry out flexible setting on connector 15, then be fixedly connected with needle stand 3, in this way when connector 15 and institute
After stating the reverse syringe connection of combination, it can be ensured that it realizes the liquid in-out control of differing needles seat.
Embodiment 3:
On the basis of embodiment 1 or embodiment 2, as shown in Figure 1, Figure 2, Figure 3 shows, the lower end of syringe 1 is provided with secluding film
4, one end of secluding film 4 is connect with 1 bottom end of syringe, and the other end is connect with the bottom end of core bar 2.Can ensure that in this way core bar 2 with
The part of 1 interior contact of syringe keeps effectively being isolated with bacterium or virus, and such patient, can be multiple when injection
Promotion perhaps extracts core bar 2 and is injected and be unlikely to that bacterium or virus infection occurs.
As shown in Figure 1,6 bottom surface of baffle is provided with cricoid first groove 18, the lower end of the secluding film 4 passes through
The first rubber ring 7 coincideing with the first groove 18 is fixed；The lower end of the syringe 1 is provided with second baffle 17, second baffle 17
Top be provided with cricoid second groove 19, the upper end of the secluding film 4 passes through the second rubber coincideing with the second groove 19
Circle 16 is fixed.In this way secluding film 4 can by the first rubber ring 7 and the second rubber ring 16 by both ends respectively with second baffle 17 and
Baffle 6 is connected and sealed, and bacterium or virus can not generate infection.
Or following connection type is used, secluding film 4 is fixed.First groove 18 is set to 6 bottom surface of baffle, it is described every
The lower end of exhausted film 4, it is fixed by the first rubber ring 7 coincideing with the first groove 18；The upper end of secluding film 4 and second baffle 17 are solid
Secluding film 4 can be separated by the first rubber ring 7 with core bar 2 in this way, be carried out disinfection, to reuse by fixed connection.
As shown in Fig. 2, 6 top surface of baffle is provided with the first groove 18, the lower end of the secluding film 4 by with it is first recessed
The first identical rubber ring 7 of slot 18 is fixed；The lower section of second baffle 17 is provided with cricoid second groove 19, the secluding film 4
Upper end, fixed by being sheathed on core bar 2 second rubber ring 16, this mode can equally prevent bacterium or virus from generating
Infection, except that secluding film 4 needs to be sheathed on the first rubber ring 7 and the second rubber ring 16, if on secluding film 4,
Lower both ends setting prevents the protrusion for being detached from the first rubber ring 7 and the second rubber ring 16, can play better seal effect, Er Qieke
Eaily to replace secluding film 4.
Or use connection type as shown in Figure 3, first groove 18 is set to the top surface of baffle 6, core bar 2 it is outer
It encloses, is provided with cricoid first groove 18, the lower end of the secluding film 4 passes through first rubber ring 7 identical with the first groove 18
It is fixed；The upper end of secluding film 4 is fixedly connected with second baffle 17.This connection type is equally applicable to nonexpondable injection
Device uses, in case the medical fluid used before core bar 2 or 1 internal residual of syringe, pollutes subsequent new medical fluid.
Embodiment 4:
As shown in fig. 7, the reverse syringe of combination is additionally provided with exhaust outlet 14, which is set to syringe 1
Top, and leakproof cap 8 is threaded at the gas outlet of the exhaust outlet 14.The needle of reverse syringe can will be combined in this way
In air discharge syringe 1 in cylinder 1, do not need to travel frequently over the discharge that the interface connecting with needle stand 3 carries out air；And leakproof
Cap 8 can close exhaust outlet 14 when not needing exhaust outlet 14 and being exhausted well, it is ensured that the phenomenon of leakage will not occur.
Or as shown in Figure 5, Figure 8, exhaust outlet 14 is set on connector 15, equally can be quickly discharged in syringe 1
The air in portion, without by contact pin, pull out needle air be discharged.
Embodiment 5:
As shown in figure 9, the reverse syringe of combination is connected with perfusion tube 20, the automatic pressure check valve 12 is set to
On perfusion tube 20.A needle stand 3 for combining reverse syringe can be connected into injection needle, another needle when rescuing patient in this way
Seat 3 connects perfusion tube 20, can extract the hydrops of patient's body, without pulling out needle, contact pin repeatedly, completes drawing liquid, will not enter sky
Gas, i.e., safety and conveniently, whole process sterile working.
The reverse syringe of combination is connected with puncture 24 as shown in Figure 10, and the automatic pressure check valve 12 is set to
It punctures in 24 connecting tube.24 are punctured when two needle stands 3 for combining reverse syringe are all connected with puncture 24, and by two
Two liquid bottles are inserted into, sterile virus-free efficient liquid separation may be implemented.
The reverse syringe of combination is connected with transfusion needle 25 as shown in figure 11, and the automatic pressure check valve 12 is arranged
In in the connecting tube of transfusion needle 25, if two needle stands 3 of the reverse syringe of the combination are all connected with transfusion needle 25 and can realize
With the sterile quick blood transfusion of blood group, and core bar 2 can be pushed and pulled repeatedly and realizes that a contact pin is repeatedly effectively transfused blood.
The reverse syringe of combination is connected with perfusion tube 20 as shown in figure 12, and the both ends of perfusion tube 20 are respectively provided with
It opens connector 26 or the setting of described perfusion tube one end opens connector 26, other end setting is threadedly coupled such as Figure 13 institute of mouth 13
Show, can thus be cooperated with infusion pump or infusion pump, the reverse syringe of the combination is .ed while connect puncture 24
Connect infusion bottle, may be implemented to push and pull repeatedly it is laborsaving, pressurize liquid feeding when without air enter, it is sterile to be rapidly completed, reduction avoid leaking
Liquid, reduce pollution, reduce syringe dosage environmental protection, save the cost, take up space less it is easy to carry.
The reverse syringe of combination is connected with injection needle 30 as shown in figure 15, and the automatic pressure check valve 12 is arranged
It on the attachment base of injection needle 30, is used cooperatively, completes continuous injection or connects with puncture 24, perfusion tube 20, transfusion needle 25
Continuous drawing liquid, and it is not susceptible to bacterium or germ infection, the number for pulling out needle, contact pin is reduced, the pain of patient is reduced.
Embodiment 6:
Institute from embodiment 1 to embodiment 5 is functional and applies, and is completed by the reverse syringe of combination of double needle seat
's.This is a kind of implementation, in addition to this, can also be by using Y type perfusion tube 21 as shown in FIG. 6 and such as Fig. 3 institute
The syringe of the single needle seat 3 shown connects, by fluid passage A22 and liquid that automatic pressure check valve 12 is set to Y type perfusion tube 21
Road B23 completes above-mentioned function and application.
Or use tee tube 27 as described in Figure 16 is connect with the syringe of single needle seat 3 as shown in Figure 3, by incite somebody to action oneself
Dynamic pressure check valve 12 is set to the first fluid passage 28 and the second fluid passage 29 of tee tube 27, can equally complete above-mentioned function and
Using.
The multifunctional combination three needle stands syringe can in the case that hospital, first aid, field, army, lack transfusion instrument,
Auxiliary completes rescue, the medication to patient, saves the life of patient.
Automatic pressure check valve 12 used by above embodiments, the liquid flow direction of setting is according to the needs of practical application
It is set, above-described embodiment does not make specific limit to the switch direction of liquid flow direction i.e. valve.
In addition, when needing to destroy, can be designed using existing note for the reverse syringe of combination provided by the invention
Emitter destroys technology.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
Specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, exist
Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to of the invention
Protection scope.
Claims (12)
1. a kind of reverse syringe of combination, including syringe (1), are set to the needle stand (3) on syringe (1) top, are set to syringe (1)
The core bar (2) of bottom end, one end that the core bar (2) is placed in syringe (1) are provided with piston (5), and the other end is placed in syringe (1)
Outside, and baffle (6) are provided with, it is characterised in that: the syringe is connected with automatic pressure check valve (12), for flowing into
Or the liquid of outflow syringe is controlled；The lower end of the syringe (1) is provided with secluding film (4), one end of secluding film (4) with
The connection of syringe (1) bottom end, the other end are connect with the bottom end of core bar (2).
2. combining reverse syringe as described in claim 1, it is characterised in that: the automatic pressure check valve (12) is set to
Between needle stand (3) and syringe (1).
3. combining reverse syringe as described in claim 1, it is characterised in that: the reverse syringe of combination is connected with infusion
It manages (20), the automatic pressure check valve (12) is set on perfusion tube (20).
4. combining reverse syringe as described in claim 1, it is characterised in that: the reverse syringe of combination is connected with Y type
Perfusion tube (21), the automatic pressure check valve (12) are set to the fluid passage A (22) and fluid passage B (23) of Y type perfusion tube (21).
5. combining reverse syringe as described in claim 1, it is characterised in that: the reverse syringe of combination is connected with threeway
It manages (27), the automatic pressure check valve (12) is set to the first fluid passage (28) and the second fluid passage (29) of tee tube (27).
6. combining reverse syringe as described in claim 1, it is characterised in that: the reverse syringe of combination is connected with puncture
(24), the automatic pressure check valve (12) is set in the connecting tube of puncture (24).
7. combining reverse syringe as described in claim 1, it is characterised in that: the reverse syringe of combination is connected with infusion
Needle (25), the automatic pressure check valve (12) are set in the connecting tube of transfusion needle (25).
8. combining reverse syringe as described in claim 1, it is characterised in that: the reverse syringe of combination is connected with injection
Needle (30), the automatic pressure check valve (12) are set on the attachment base of injection needle (30).
9. combining reverse syringe as described in claim 1, it is characterised in that: baffle (6) bottom surface is provided with cricoid
First groove (18), the lower end of the secluding film (4) are fixed by the first rubber ring (7) coincideing with the first groove (18)；Institute
The lower end for stating syringe (1) is provided with second baffle (17), and cricoid second groove (19) is provided with above second baffle (17),
The upper end of the secluding film (4), it is fixed by the second rubber ring (16) coincideing with the second groove (19).
10. combining reverse syringe as described in claim 1, it is characterised in that: baffle (6) bottom surface is provided with cricoid
First groove (18), the lower end of the secluding film (4) are fixed by the first rubber ring (7) coincideing with the first groove (18)；Institute
The lower end for stating syringe (1) is provided with second baffle (17), and the upper end of secluding film (4) is fixedly connected with second baffle (17).
11. combining reverse syringe as described in claim 1, it is characterised in that: it is recessed that baffle (6) top surface is provided with first
The lower end of slot (18), the secluding film (4) is fixed by the first rubber ring (7) coincideing with the first groove (18)；Second baffle
(17) cricoid second groove (19), the upper end of the secluding film (4), by being sheathed on core bar (2) are provided with below
Two rubber rings (16) are fixed.
12. combining reverse syringe as described in claim 1, it is characterised in that: first groove (18) is set to baffle
(6) top surface, the periphery of core bar (2) are provided with cricoid first groove (18), and the lower end of the secluding film (4) is by with
Identical the first rubber ring (7) of one groove (18) is fixed；The upper end of secluding film (4) is fixedly connected with second baffle (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811621297.8A CN109550114A (en) | 2016-03-26 | 2016-03-26 | A kind of reverse syringe of combination |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811621297.8A CN109550114A (en) | 2016-03-26 | 2016-03-26 | A kind of reverse syringe of combination |
| CN201610175497.XA CN105771035A (en) | 2016-03-26 | 2016-03-26 | Multifunctional combined reverse injector |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610175497.XA Division CN105771035A (en) | 2016-03-26 | 2016-03-26 | Multifunctional combined reverse injector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109550114A true CN109550114A (en) | 2019-04-02 |
Family
ID=56390878
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610175497.XA Pending CN105771035A (en) | 2016-03-26 | 2016-03-26 | Multifunctional combined reverse injector |
| CN201811621297.8A Pending CN109550114A (en) | 2016-03-26 | 2016-03-26 | A kind of reverse syringe of combination |
| CN201811621312.9A Pending CN109550115A (en) | 2016-03-26 | 2016-03-26 | A kind of reverse syringe of the combination of self-regulating function |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610175497.XA Pending CN105771035A (en) | 2016-03-26 | 2016-03-26 | Multifunctional combined reverse injector |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201811621312.9A Pending CN109550115A (en) | 2016-03-26 | 2016-03-26 | A kind of reverse syringe of the combination of self-regulating function |
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| CN106215286A (en) * | 2016-08-15 | 2016-12-14 | 傅红霞 | A kind of multipurpose agent injection device |
| CN109125863A (en) * | 2018-09-30 | 2019-01-04 | 天津伊腾圣杰医疗器械有限公司 | A kind of multi-functional injecting assembly |
| CN113521406B (en) * | 2021-07-12 | 2022-07-12 | 吉林大学 | Rheumatoid arthritis patient joint cavity hydrops extraction equipment |
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- 2016-03-26 CN CN201610175497.XA patent/CN105771035A/en active Pending
- 2016-03-26 CN CN201811621297.8A patent/CN109550114A/en active Pending
- 2016-03-26 CN CN201811621312.9A patent/CN109550115A/en active Pending
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| US5308330A (en) * | 1992-09-16 | 1994-05-03 | Becton, Dickinson And Company | Syringe having needle isolation features |
| CN2489777Y (en) * | 2001-03-29 | 2002-05-08 | 巩立群 | Medical aspiration apparatus |
| CN2865717Y (en) * | 2006-01-05 | 2007-02-07 | 陈庆强 | Muff-coupling sealing structure for antipollution injector |
| US8771254B2 (en) * | 2006-11-13 | 2014-07-08 | Medical Components, Inc. | Method of using a syringe |
| CN200998482Y (en) * | 2007-01-04 | 2008-01-02 | 陈庆强 | Full-sealed medicine-adding injector |
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| CN105771035A (en) | 2016-07-20 |
| CN109550115A (en) | 2019-04-02 |
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