CN109893718A - A kind of device for sandwich injection - Google Patents
A kind of device for sandwich injection Download PDFInfo
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- CN109893718A CN109893718A CN201910268724.7A CN201910268724A CN109893718A CN 109893718 A CN109893718 A CN 109893718A CN 201910268724 A CN201910268724 A CN 201910268724A CN 109893718 A CN109893718 A CN 109893718A
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- inner cylinder
- fixedly installed
- outer tube
- injection
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Abstract
The problem for carrying out separating injection to three kinds of different drugs is not easy the purpose of the present invention is to solve existing syringe, disclose a kind of device for sandwich injection, including mounting plate, plane mirror, universal bar, outer tube, push rod, small battery, conducting wire, conduit, extension airbag, wind deflector, mounting rod, connecting rod, heating pole, injection head, first gear, first rotating shaft, inner cylinder, liquid-passing hole, second gear, the second shaft, chain, motor, rubber membrane, guide cylinder, helical spring, pressing plate, slide bar, lantern ring and rubber pad.The structure of three chambers of the ingenious combination inner cylinder of the present invention, storage is separated to three kinds of different pharmaceuticals so as to realize, also facilitate the injection realized to three kinds of different pharmaceuticals simultaneously, it avoids using three syringes, it only needs to inject successively using the injection head of this syringe, so that it may pass through the conversion to inner cylinder to realize the injection of different medical fluids, more convenient operation, meet social demand, is worth promoting to medical field.
Description
Technical field
The present invention relates to injector for medical purpose field, in particular to a kind of device for sandwich injection.
Background technique
In the patient of portal hypertension, about 20% may occur in which gastric varices (GV).Although gastric varices are compared with oesophagus
Varication incidence is low, once but rupture haemorrhage, the state of an illness is dangerous, amount of bleeding is big, and the death rate is high, and Bleeding rate is high again, therefore
Clinically the treatment and prevention portal hypertension patient prognosis of Gastric variceal bleeding are extremely important.The treatment of gastric varices
Including drug, scope, intervention, operation etc..Scope is its important one of method, the treatment of injection of tissue glue in endoscopic treatment
Effect is affirmed the most.Since tissue glue's setting rate is express, easily causes injection needle filling and cause serious consequence, for filling out for anti-injection needle
Plug, the classical method used is that Lauromacrogol+Tissue adhesive+Lauromacrogol is this " sandwich method " in injection process, is gathered
Cinnamic alcohol is a kind of curing agent, is clinically mainly used for the treatment of varices of esophagus.
In addition to needing to inject when injecting to tissue glue using " sandwich " injection method, in medicine,
Need to patient carry out a variety of drug injections when, need to be respectively charged into drug in different needle tubings, then to needle tubing into
Row is placed, and the needle tubing for being placed on outside is easy to be contaminated, thus will cause the infection of bacterium when injection, " sandwich " note
It penetrates and human body is injected with three kinds of substances as its name suggests, and existing needle tubing can not be realized, while existing needle
Pipe function is relatively simple, is not easy to control the flow velocity of needle tubing, and the speed of injection is also not easy to be controlled, and existing needle
Pipe is not easy to carry out comprehensive observation in injection process, to reduce the range of observation of medical staff, and medical fluid is for a long time
Be stored in needle and be also easy to produce precipitating, and then injecting uniformly for drug will be will affect, and in injection process, it is existing not yet
Easily medical fluid is heated, coolness can be generated when being injected, is not felt good.
Therefore, it is necessary to design one kind for the device of " sandwich " injection to solve the deficiencies in the prior art.
Summary of the invention
It is an object of the present invention to solve the deficiency of the existing technology and provide a kind of devices for sandwich injection.
The present invention is achieved through the following technical solutions:
A kind of device for sandwich injection, including outer tube and inner cylinder, the inner cylinder are arranged in outer inside pipe casing, institute
It states outer tube left side upper end and is fixedly installed with injection head, be symmetrically fixed with universal bar on the right side of the outer tube upper surface, it is described
Universal bar outer end is fixedly installed with mounting plate, and the installation plate surface is fixedly installed with plane mirror, and the outer tube upper surface is left
Side is fixedly installed with motor, is equipped with the second shaft on the left of the motor, second shaft surface is fixedly installed with the second tooth
It takes turns, mounting rod is fixedly installed with inside the outer tube lower wall, connecting rod uniformly is installed on the downside of the mounting rod surface, institute
It states connecting rod outer end and is fixedly installed with heating pole, the outer tube lower surface is fixedly installed with wind deflector and across outside heating pole
Side, the wind-guiding plate surface are fixedly installed with conduit, and the conduit other end is fixedly installed with extension airbag, the outer tube table
Right side of face is fixedly installed with small battery, is fixedly connected with conducting wire on the small battery.
It is fixedly installed with first rotating shaft in the middle part of the inner cylinder left side, the is fixedly installed on the left of the first rotating shaft surface
One gear is arranged with chain, is provided on the corresponding chamber in inner cylinder left side between the first gear and second gear
Liquid-passing hole is fixedly installed with rubber pad inside the liquid-passing hole, is equipped with lantern ring between the inner cylinder and outer tube.
Preferably, the chamber that the inner cylinder is three equal parts constitute and between be spaced from each other, form three independent chambers
Room, inner cylindrical surface offer hole corresponding with rubber membrane and slide bar can be made to be pushed to etat lacunaire to rubber membrane.
Preferably, being equipped with bearing between the inner cylinder and lantern ring, lantern ring is supported inner cylinder.
Preferably, being fixedly installed with piston inside the slide bar, and the diameter of piston is equal to inner cylinder corresponding chambers
Internal diameter can slide between piston and inner cylinder.
Preferably, the guide cylinder is arranged at the one third of outer bushing surface front end, it is sliding between slide bar and guide cylinder
It moves cooperation and rubber membrane is corresponding with the position of slide bar.
Preferably, the rubber pad is circular ring structure, can be sealed between injection head and liquid-passing hole, injection head
It is corresponding with the position of liquid-passing hole.
Preferably, hollow out and internal uniform winding have resistance wire inside the heating pole, heating pole is copper material system
Be hollow structure at, wind deflector and be in the inner surface in heating pole direction and be uniformly provided with through-hole, conduit be rubber hose and point
It is not connected with extension airbag and wind deflector.
Preferably, be equipped with bearing between the first rotating shaft and outer tube, first gear and second gear respectively with
Chain engagement cooperation, motor is micro-machine.
Preferably, the motor and heating pole and conducting wire are connected.
Compared with prior art, the beneficial effects of the present invention are:
The present invention is injected using sandwich injection method, by the way that inner cylinder is arranged to three chambers, to facilitate realization
It is separately added into three kinds of different medical fluids in three chambers, three kinds of different medical fluids is avoided to mix, to make a needle
Built-in three needle tubings are managed, it is contaminated to avoid for the needle tubing for installing liquid being placed on outside, so that preferably needle tubing is protected,
Simultaneously when injection, using the present apparatus also avoids that needle is extracted and penetrated repeatedly, can be used one when operation
A needle tubing substitutes three needle tubings and uses, and operation is more convenient, also mitigates the pain of patient, by the setting of universal bar, in turn
It is convenient that the angle of plane mirror is adjusted, observation patient can be carried out by plane mirror when allowing medical staff to inject
Affected part or facilitate exchanging between doctor and nurse, conveniently nurse is allowed to deliver medical instrument, pass through setting slide bar, Jin Erke
It to be pushed to rubber membrane, controls, and then the impact force of injection can be controlled convenient for the inner space to inner cylinder
System, in conjunction with the cooperation of first gear and second gear, drives inner cylinder to be rotated by the way that motor is arranged so as to realize,
By the rotation to inner cylinder, the indoor medical fluid of different cavity in inner cylinder can be made to be shaken up respectively, to avoid generating medical fluid
Precipitating so that convenient heat the medical fluid in inner cylinder, and then is improved comfortable when injecting by the way that heating pole is arranged
Degree, avoids medical fluid ice-cold, by the cooperation of extension airbag and wind deflector, thus the convenient heat that heating pole is generated to patient into
Row dispels, so that the comfort level of patient is improved, by the way that rubber pad is arranged, to make to sealing is played between injection head and liquid-passing hole
With medical fluid flows out when avoiding converting inner cylinder different chamber, to improve the leakproofness of syringe, the present invention is skilful
The structure of three chambers of wonderful combination inner cylinder separates storage to three kinds of different pharmaceuticals so as to realize, while also facilitating reality
Now to the injection of three kinds of different pharmaceuticals, avoid using three syringes, it is only necessary to it is injected successively using the injection head of this syringe,
Social demand can be met by the injection converted to realize different medical fluids to inner cylinder, more convenient operation.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the sectional view of inner cylinder of the present invention.
Fig. 3 is the structural schematic diagram of rubber pad of the present invention.
Fig. 4 is the schematic diagram that outer tube of the present invention is connect with inner cylinder.
Label declaration: 1, mounting plate, 2, plane mirror, 3, universal bar, 4, outer tube, 5, push rod, 6, small battery, 7, lead
Line, 8, conduit, 9, extension airbag, 10, wind deflector, 11, mounting rod, 12, connecting rod, 13, heating pole, 14, injection head, 15,
One gear, 16, first rotating shaft, 17, inner cylinder, 18, liquid-passing hole, 19, second gear, the 20, second shaft, 21, chain, 22, motor,
23, rubber membrane, 24, guide cylinder, 25, helical spring, 26, pressing plate, 27, slide bar, 28, lantern ring, 29, rubber pad.
Specific embodiment
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 description, 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.
Fig. 1-4 is please referred to, the present invention provides a kind of technical solution:
A kind of device for sandwich injection, including outer tube 4 and inner cylinder 17, the inner cylinder 17 are arranged in outer tube 4
Inside, the 4 left side upper end of outer tube are fixedly installed with injection head 14, are symmetrically fixed on the right side of 4 upper surface of outer tube
Universal bar 3,3 outer end of universal bar are fixedly installed with mounting plate 1, and 1 surface of mounting plate is fixedly installed with plane mirror 2, institute
It states and is fixedly installed with motor 22 on the left of 4 upper surface of outer tube, the second shaft 20 is installed on the left of the motor 22, described second turn
20 surface of axis is fixedly installed with second gear 19, is fixedly installed with mounting rod 11, the installation inside 4 lower wall of outer tube
Connecting rod 12 uniformly is installed on the downside of 11 surface of bar, 12 outer end of connecting rod is fixedly installed with heating pole 13, the outer tube 4
Lower surface is fixedly installed with wind deflector 10 and across 13 outside of heating pole, and 10 surface of wind deflector is fixedly installed with conduit 8, institute
It states 8 other end of conduit and is fixedly installed with extension airbag 9, be fixedly installed with small battery 6, institute on the right side of 4 surface of outer tube
It states and is fixedly connected with conducting wire 7 on small battery 6.
First rotating shaft 16, fixed peace on the left of 16 surface of first rotating shaft are fixedly installed in the middle part of 17 left side of inner cylinder
Equipped with first gear 15, chain 21, the 17 left side phase of inner cylinder are arranged between the first gear 15 and second gear 19
It is provided with liquid-passing hole 18 on the chamber answered, rubber pad 29, the inner cylinder 17 and housing are fixedly installed with inside the liquid-passing hole 18
Lantern ring 28 is installed between pipe 4.
The inner cylinder 17 be the chamber of three equal parts constitute and between be spaced from each other, form three independent chambers, inner cylinder
17 surfaces offer hole corresponding with rubber membrane 23 and slide bar 27 can be made to be pushed to etat lacunaire to rubber membrane 23.
Bearing is installed, lantern ring 28 is supported inner cylinder 17 between the inner cylinder 17 and lantern ring 28.
Piston is fixedly installed with inside the slide bar 27, and the diameter of piston is equal to the internal diameter of 17 corresponding chambers of inner cylinder,
It can be slided between piston and inner cylinder 17.
The guide cylinder 24 is arranged at 4 front end surface one third of outer tube, slides between slide bar 27 and guide cylinder 24
Cooperate and rubber membrane 23 is corresponding with the position of slide bar 27.
The rubber pad 29 is circular ring structure, can be sealed between injection head 14 and liquid-passing hole 18, injection head 14
It is corresponding with the position of liquid-passing hole 18.
The 13 inside hollow out of heating pole and internal uniform winding has resistance wire, heating pole 13 is made of copper material, leads
Aerofoil 10 is hollow structure and is in the inner surface in 13 direction of heating pole and is uniformly provided with through-hole, conduit 8 be rubber hose and point
It is not connected with extension airbag 9 and wind deflector 10.
Bearing is installed between the first rotating shaft 16 and outer tube 4, first gear 15 and second gear 19 respectively with chain
The engagement cooperation of item 21, motor 22 are micro-machine.
The motor 22 and heating pole 13 and conducting wire 7 are connected.
Operating procedure: some drugs not can be carried out mixing when being injected, and can carry out the note of sequencing
It penetrates, at this time, it is necessary to be injected using the device, pull out push rod 5 first, three kinds of different medical fluids poured into respectively interior
In cylinder 17 in three different chambers, then push rod 5 is pushed into inner cylinder 17 again, at this point, syringe needle is installed on injection head 14,
When patient is subcutaneously injected, the syringe needle of the device is penetrated into the subcutaneous of patient first, then universal bar 3 is carried out
Adjustment, is adjusted the angle of plane mirror 2, plane mirror 2 is made to be pointed into the affected part of patient and the position of medical instrument respectively, convenient
Medical staff carries out comprehensive observation, when injection, it is only necessary to hold outer tube 4, the switch of motor 22 be opened, motor 22
Second gear 19 will be will drive to rotate, and then pass through the cooperation of chain 21, it will drive first gear 15 to rotate, thus band
Dynamic first rotating shaft 16 rotates, and rotates inner cylinder 17, so as to realize in inner cylinder 17 the indoor different medical fluids of each chamber into
Row shakes, and avoids generating precipitating, improves the uniformity of drug, rotate to inner cylinder 17, and then will need to inject on inner cylinder 17
Chamber corresponding to liquid-passing hole 18 be directed at injection head 14, the switch of motor 22 is closed, corresponding push rod 5 is carried out at this time
It slowly pushes, while heating pole 13 can suitably heat the medical fluid in inner cylinder 17, subtract when injecting to patient
Few coolness presses extension airbag 9 more repeatedly, pass through the pressing of extension airbag 9, it will to wind deflector
10 ventilations, the heat of the generation of heating pole 13 is dispelled by wind deflector 10 outward, and then heat can be blowed to patient, slows down patient
Tension, then when inject another medical fluid, it is only necessary to be again turned on the switch of motor 22, inner cylinder 17 is driven to carry out
The liquid-passing hole 18 of 17 corresponding chambers of inner cylinder is directed at injection head 14 by rotation, so as to realize the injection to different medical fluids,
Not by the syringe extract in the case where can inject three kinds of medical fluids respectively, when need to the flow velocity of injection controlled when
It waits, according to the demand of drug, some drug injections whens compares pain, it is necessary to slow down flow velocity, some can accelerate flow velocity,
When needing to accelerate flow velocity, user presses pressing plate 26, it will slides slide bar 27, makes slide bar 27 to rubber
Film 23 is squeezed, and then will suitably reduce the space of the chamber of inner cylinder 17, is equivalent to pinch when being watered
Water pipe will accelerate the flow velocity of water, so as to realize the control to medical fluid flow velocity, after the completion of injection, be by device extraction
It can.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
It can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as in this hair
All by the protection of Patent Law in bright scope of the claims.
Claims (9)
1. a kind of device for sandwich injection, including outer tube (4) and inner cylinder (17), it is characterised in that: the inner cylinder
(17) setting is internal in outer tube (4), and outer tube (4) the left side upper end is fixedly installed with injection head (14), the housing
Pipe is symmetrically fixed with universal bar (3) on the right side of (4) upper surface, and universal bar (3) outer end is fixedly installed with mounting plate (1), described
Mounting plate (1) surface is fixedly installed with plane mirror (2), is fixedly installed with motor (22), institute on the left of outer tube (4) upper surface
It states and is equipped with the second shaft (20) on the left of motor (22), the second shaft (20) surface is fixedly installed with second gear (19),
It is fixedly installed with mounting rod (11) inside outer tube (4) lower wall, is uniformly equipped on the downside of mounting rod (11) surface
Connecting rod (12), connecting rod (12) outer end are fixedly installed with heating pole (13), and outer tube (4) lower surface is fixedly mounted
There is wind deflector (10) and across on the outside of heating pole (13), wind deflector (10) surface is fixedly installed with conduit (8), the conduit
(8) other end is fixedly installed with extension airbag (9), is fixedly installed with small battery (6) on the right side of outer tube (4) surface,
Conducting wire (7) are fixedly connected on the small battery (6).
It is fixedly installed with first rotating shaft (16) in the middle part of inner cylinder (17) left side, it is fixed on the left of first rotating shaft (16) surface
It is equipped with first gear (15), is arranged with chain (21), the inner cylinder between the first gear (15) and second gear (19)
(17) it is provided with liquid-passing hole (18) on the corresponding chamber in left side, is fixedly installed with rubber pad inside the liquid-passing hole (18)
(29), lantern ring (28) are installed between the inner cylinder (17) and outer tube (4).
2. a kind of device for sandwich injection according to claim 1, it is characterised in that: the inner cylinder (17) is three
The chamber of a equal part constitute and between be spaced from each other, form three independent chambers, inner cylinder (17) surface offers and rubber membrane
(23) corresponding hole and slide bar (27) can be made to be pushed to etat lacunaire to rubber membrane (23).
3. a kind of device for sandwich injection according to claim 1, it is characterised in that: the inner cylinder (17) and set
Bearing is installed, lantern ring (28) is supported inner cylinder (17) between ring (28).
4. a kind of device for sandwich injection according to claim 1, it is characterised in that: the slide bar (27) is internal
It is fixedly installed with piston, and the diameter of piston is equal to the internal diameter of inner cylinder (17) corresponding chambers, it can between piston and inner cylinder (17)
With sliding.
5. a kind of device for sandwich injection according to claim 1, it is characterised in that: the guide cylinder (24) sets
It sets at outer tube (4) front end surface one third, is slidably matched between slide bar (27) and guide cylinder (24) and rubber membrane (23)
It is corresponding with the position of slide bar (27).
6. a kind of device for sandwich injection according to claim 1, it is characterised in that: the rubber pad (29) is
Circular ring structure can be sealed, the position of injection head (14) and liquid-passing hole (18) between injection head (14) and liquid-passing hole (18)
It sets corresponding.
7. a kind of device for sandwich injection according to claim 1, it is characterised in that: in the heating pole (13)
Portion's hollow out and internal uniform winding has resistance wire, heating pole (13) is made of copper material, wind deflector (10) be hollow structure and
The inner surface for being in heating pole (13) direction is uniformly provided with through-hole, conduit (8) be rubber hose and respectively with extension airbag (9)
It is connected with wind deflector (10).
8. a kind of device for sandwich injection according to claim 1, it is characterised in that: the first rotating shaft (16)
Bearing is installed between outer tube (4), first gear (15) and second gear (19) engage cooperation with chain (21) respectively, electricity
Machine (22) is micro-machine.
9. it is according to claim 1 it is a kind of for sandwich injection device, it is characterised in that: the motor (22) and plus
Hot rod (13) and conducting wire (7) are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910268724.7A CN109893718B (en) | 2019-04-04 | 2019-04-04 | Device for sandwich injection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910268724.7A CN109893718B (en) | 2019-04-04 | 2019-04-04 | Device for sandwich injection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109893718A true CN109893718A (en) | 2019-06-18 |
| CN109893718B CN109893718B (en) | 2021-05-07 |
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ID=66954518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910268724.7A Active CN109893718B (en) | 2019-04-04 | 2019-04-04 | Device for sandwich injection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109893718B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111529820A (en) * | 2020-04-16 | 2020-08-14 | 自贡市第四人民医院(自贡市急救中心) | Rotary type rapid insulin injection pen and use method |
| CN113274582A (en) * | 2021-05-19 | 2021-08-20 | 首都医科大学宣武医院 | Intelligent injection device |
| CN113476691A (en) * | 2021-07-14 | 2021-10-08 | 汪莉 | Medical infusion device |
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| CN109893718B (en) | 2021-05-07 |
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