CN107376749B - Reagent rapid preparing syringe - Google Patents
Reagent rapid preparing syringe Download PDFInfo
- Publication number
- CN107376749B CN107376749B CN201710526699.9A CN201710526699A CN107376749B CN 107376749 B CN107376749 B CN 107376749B CN 201710526699 A CN201710526699 A CN 201710526699A CN 107376749 B CN107376749 B CN 107376749B
- Authority
- CN
- China
- Prior art keywords
- outer cylinder
- supervisor
- branch pipe
- rubber mat
- rear end
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/50—Movable or transportable mixing devices or plants
- B01F33/501—Movable mixing devices, i.e. readily shifted or displaced from one place to another, e.g. portable during use
- B01F33/5011—Movable mixing devices, i.e. readily shifted or displaced from one place to another, e.g. portable during use portable during use, e.g. hand-held
- B01F33/50112—Movable mixing devices, i.e. readily shifted or displaced from one place to another, e.g. portable during use portable during use, e.g. hand-held of the syringe or cartridge type
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/0035—Vaccination diagnosis other than by injuring the skin, e.g. allergy test patches
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F21/00—Dissolving
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/22—Mixing of ingredients for pharmaceutical or medical compositions
Abstract
The present patent application discloses a kind of reagent rapid preparing syringe, including outer cylinder, amount cylindrantherae, piston, push rod and injection needle；The amount pencil includes that supervisor and branch pipe, branch pipe are connected to the middle part of supervisor；The front end of the supervisor is connected to gear door sealing, is kept off on door and is equipped with the first check valve with supervisor junction, the side wall of the rear end of the rear end and outer cylinder of supervisor is connected to；Fixed there are two the adhesive tape being slidingly sealed with outer cylinder along the length direction of push rod on push rod, two adhesive tape and outer cylinder and strut surround a cavity, and supervisor is located in cavity with outer cylinder junction；The rear end of the outer cylinder, which is located between two adhesive tape, is equipped with rubber mat, and the rubber mat and cavity sealing are slidably connected, and the central cross-section of rubber mat is in " V "-shape, and " V " the font tip of rubber mat is towards the rear end of outer cylinder, equipped with strip-shaped hole at the center of rubber mat.Compared with prior art, this syringe can easily configure reagent for penicillin skin test, and anyone operation can all configure accurately.
Description
Technical field
The invention belongs to the field of medical instrument technology, specifically disclose a kind of reagent rapid preparing syringe.
Background technique
According to the States Pharmacopoeia specifications in China, before all various penicillin medicines of injection, it is necessary to do skin with penicillin sodium salt
Examination, negative reaction person can use.The penicillin sodium salt of minimum dose packaging is all more than 200,000 units at present, weight about 0.12
Gram；And human body does a skin test and only needs the penicillin sodium salt of 20 units, and about 0.000012 milligram, if directly being weighed from solid aobvious
It is so difficult to, so penicillin need to be dissolved into sodium salt and diluted by reagent for penicillin skin test.Simultaneously because the molecule knot of penicillin
Structure determines the unstability of benzylpenicillin sodium solution --- it is easy to decompose, fail, therefore penicillin used in each medical institutions
Skin test agent is usually ready-to-use.In addition, solution concentration is low since benzylpenicillin skin-test solution validity period is short, it is allowed to not do at all
Sterility test and assay；So the diluted concentration of manual operation control penicillin can only be passed through in configuration.
Under normal conditions when preparing reagent for penicillin skin test, by taking one bottle of 400,000 unit as an example, 2 millis are injected in penicillin bottle
Water for injection dissolution is risen, 0.9 milliliter of water for injection is then sucked in the dedicated needle tubing of skin test, then sucks 0.1 milli of penicillin solution
It rises, at this time 20,000 unit containing penicillin in every milliliter of solution；0.9 milliliter is turned down after solution in needle tubing is mixed, then sucks injection
It is at this time 2 kilounits containing penicillin in every milliliter of solution with water to 1 milliliter；0.9 milli is turned down after the solution in needle tubing is mixed again
It rises, then sucks water for injection to 1 milliliter, be at this time 200 units containing penicillin in every milliliter of solution, inject 0.1 milliliter to intradermal,
Injection penicillin amount is 20 required units.
The preparation method process of this reagent for penicillin skin test is more, and process for preparation is cumbersome；And operator is needed to have
Certain operation basis, some different medical units or some inexperienced medical staff then more can not accurately prepare,
Can only rougher ground adapted so that dose error is larger seriously affect the using effect of reagent.
Summary of the invention
The purpose of the present invention is to provide a kind of reagent rapid preparing syringes, to solve configuration reagent for penicillin skin test process behaviour
Make cumbersome, the larger problem of the reagent for penicillin skin test error of configuration.
In order to achieve the above object, base case of the invention are as follows: reagent rapid preparing syringe, including outer cylinder and amount medicine
The front end of cylinder, the piston being slidably connected in outer cylinder, the fixed push rod with piston, outer cylinder is equipped with injection needle；The amount pencil packet
Supervisor and branch pipe are included, branch pipe is connected to the middle part of supervisor；The side wall of the outer cylinder front end is equipped with transverse tube, and transverse tube passes through outer tube wall
It protrudes into outer cylinder, transverse tube is located at the sealing of one end outside outer cylinder and is equipped with gear door；Gear door is protruded into the front end of the supervisor and cross bar connects
It is logical, it keeps off on door and is equipped with the first check valve with supervisor junction, the side wall of the rear end of the rear end and outer cylinder of supervisor is connected to；It is remote on branch pipe
Inside from supervisor one end is equipped with second one-way valve, and branch pipe and supervisor junction are equipped with third check valve, and branch pipe is equipped with scale；
Fixed there are two the adhesive tape being slidingly sealed with outer cylinder along the length direction of push rod on push rod, two adhesive tape are surrounded with outer cylinder and strut
One cavity, supervisor are located in cavity with outer cylinder junction；The rear end of the outer cylinder, which is located between two adhesive tape, is equipped with rubber mat, institute
It states the sealing of rubber mat and cavity to be slidably connected, the central cross-section of rubber mat is in " V "-shape, and " V " the font tip of rubber mat is towards outer cylinder
Rear end is equipped with strip-shaped hole at the center of rubber mat.
The working principle of this base case is: when the specifically used reagent rapid preparing syringe, infusing in penicillin bottle
Enter 2 milliliters of water for injection dissolutions, branch pipe is put into penicillin bottle far from one end of supervisor then, is pushed away to outer cylinder front end
Bar slides piston to outer cylinder front end.Since amount pencil and outer cylinder junction are located in the space that two adhesive tape surround, outer cylinder
Rear end sets Packed rubber mat between two adhesive tape, and the central cross-section of rubber mat is in " V "-shape, " V " the font tip of rubber mat
Towards the rear end of outer cylinder, and strip-shaped hole is equipped at the center of rubber mat；The sky that push rod, two adhesive tape, rubber mat and outer barrel surround
Intracavitary pressure increases, and pressure increase seals the strip-shaped hole on rubber mat；The pressure increase of cavity can make in penicillin bottle simultaneously
Medical fluid is inhaled into branch pipe.Medical fluid will by the second one-way valve in branch pipe, due on branch pipe from second one-way valve to supervisor
Section be equipped with scale；It can be checked by the scale on branch pipe by the volume of the medical fluid of second one-way valve in branch pipe, if reaching institute
Volume is needed, can stop pushing push rod.
At this point, branch pipe is extracted in penicillin bottle far from one end of supervisor, it is further continued for branch tube end in sucking medical fluid,
Push rod is pushed, the medical fluid in branch pipe will be entered supervisor by third check valve, all pass through third check valve to medical fluid and enter master
Guan Hou can pull push rod to outer tube rear end.Since " V " the font tip of rubber mat is towards the rear end of outer cylinder, set at the center of rubber mat
There is strip-shaped hole；The space pressure that push rod, two adhesive tape, rubber mat and outer barrel surround reduces to form negative pressure, and negative pressure makes strip-shaped hole
It opens, prevents the cavity from influencing the use of the present apparatus；Simultaneously because push rod is pulled, so that the gas in cavity is pushed into be responsible for
It is interior, since the front end of supervisor be connected to gear door, medical fluid can front end through being responsible for, gear door, transverse tube inflow outer cylinder inside.
The beneficial effect of this base case is: this reagent rapid preparing syringe contracts the common process for repeatedly preparing medicament
It is as short as once, and easy to operate, greatly reduces the workload of medical staff.Using the graduated branch pipe of mark to required drug solns
It is accurately measured, accuracy is higher without there is technology, anyone more can accurately prepare reagent for penicillin skin test at operation.
It completes quantitative liquid medicine sucking syringe using sliding of the push rod in outer cylinder and completes the configuration process of reagent, process is simple
Quickly, it is convenient to operate.Compared with prior art, this syringe can easily configure reagent for penicillin skin test, and anyone operates all
It can configure accurate.
Preferred embodiment one: as the preferred of basic scheme, the front end of the supervisor is detachably connected to baffle, and first is unidirectional
Valve is located in baffle.In medical fluid after in supervisor, the first check valve injection outer cylinder, the front end of supervisor can be extracted from baffle,
To prevent in next operating process, amount pencil influences the configuration of outer cylinder endothelium reagent.
Preferred embodiment two: as the preferred of basic scheme, the third check valve is sheet rubber, and the sheet rubber is by branch pipe
Interior separations, sheet rubber are equipped with extruded hole.When third check valve is mainly used for preventing out of supervisor to inject liquid medicine in outer cylinder,
Liquid medicine flows into branch pipe through third check valve, makes up a prescription to influence this syringe, uses sheet rubber as third check valve, structure letter
It is single to be convenient for manufacture, while can realize function required for third check valve.
Preferred embodiment three: as the preferred of basic scheme, pricker, the thorn are communicated with far from supervisor one end on the branch pipe
Needle and branch tube end are connected together.Usual penicillin bottle is vial, and opening is provided with rubber stopper, and pricker can be pierced into rubber
Plug, consequently facilitating branch pipe draws medical fluid out of penicillin bottle.After sucking a certain amount of drug in branch pipe, pricker can be extracted,
When to make the medical fluid for preventing branch pipe suck supervisor, remaining medical fluid is also drawn into supervisor in pricker, to influence to configure reagent
Accuracy.
Preferred embodiment four: preferably three preferred, accommodating groove of the outer cylinder equipped with fixed lancet and branch pipe.
Fixed fixed lancet and branch pipe prevent branch pipe and pricker to be scattered scathing.
Preferred embodiment five: as the preferred of basic scheme, the baffle side and transverse tube end are hinged, on transverse tube with baffle
Engaging at be equipped with sealing ring.Convenient for baffle opening, sealing ring can seal baffle and transverse tube, prevent medical fluid from leaking out.
Detailed description of the invention
Fig. 1 is the structure sectional view of reagent rapid preparing syringe embodiment of the present invention.
Specific embodiment
Below by specific embodiment, the present invention is described in further detail:
Appended drawing reference in Figure of description includes: outer cylinder 10, piston 11, push rod 12, injection needle 13, accommodating groove 14, cross
Pipe 20, gear door 21, the first check valve 22, supervisor 30, branch pipe 31, scale 311, second one-way valve 32, sheet rubber 33, pricker 34,
Adhesive tape 40, rubber mat 41, strip-shaped hole 411, cavity 42.
As shown in Figure 1, reagent rapid preparing syringe, including outer cylinder 10, piston 11, push rod 12, injection needle 13 and amount cylindrantherae,
Piston 11 is slidably connected with housing, and push rod 12 and piston 11 are fixed, and outer push rod 12 is located at the rear end in outer cylinder 10 and stretching out housing,
Injection needle 13 is fixed on the front end of outer cylinder 10.Measuring pencil includes supervisor 30 and branch pipe 31, and branch pipe 31 and the middle front part of supervisor 30 connect
It is logical；Transverse tube 20 is provided on the side wall of 10 front end of outer cylinder, transverse tube 20 passes through 10 wall of outer cylinder and protrudes into outer cylinder 10, and transverse tube 20 is located at outer
One end sealing outside cylinder 10 is equipped with gear door 21；Baffle side and 20 end of transverse tube are hinged, at the engaging on transverse tube 20 with baffle
Equipped with sealing ring.The front end of supervisor 30 seals engaging with gear door 21 and is connected to, and keeps off on door 21 and is equipped with the first list with 30 junctions of supervisor
To valve 22, the first check valve 22 is located in baffle；The rear end of supervisor 30 is connected to the side wall of the rear end of outer cylinder 10；It is remote on branch pipe 31
Inside from 30 one end of supervisor is equipped with second one-way valve 32, and branch pipe 31 and 30 junctions of supervisor are equipped with third check valve, third list
It is sheet rubber 33 to valve, 31 interior separations of branch pipe, sheet rubber 33 are equipped with extruded hole by sheet rubber 33；Branch pipe 31 is equipped with scale
311, it is the starting point of scale 311 at second one-way valve 32 on branch pipe 31.It is communicated with pricker 34 far from 30 one end of supervisor on branch pipe 31,
The pricker 34 and 31 end of branch pipe are connected together.
Along the length direction fixation of push rod 12, there are two the adhesive tape 40 being slidingly sealed with outer cylinder 10, two adhesive tape on push rod 12
40 surround a cavity 42 with outer cylinder 10 and strut, and supervisor 30 is located in cavity 42 with 10 junction of outer cylinder；The rear end of outer cylinder 10
Rubber mat 41 is equipped between two adhesive tape 40, rubber mat 41 is slidably connected with the sealing of cavity 42, and the central cross-section of rubber mat 41 is in " V "
Font, " V " the font tip of rubber mat 41 are equipped with strip-shaped hole 411 at the center of rubber mat 41 towards the rear end of outer cylinder 10.For fixation
Fixed lancet 34 and branch pipe 31 prevent branch pipe 31 and pricker 34 to be scattered scathing, and outer cylinder 10 is equipped with fixed lancet 34 and branch pipe
Pricker 34 and branch pipe 31 can be fixed in accommodating groove 14 by 31 accommodating groove 14 when not in use.
When the specifically used reagent rapid preparing syringe, 2 milliliters of water for injection dissolutions are injected in penicillin bottle, then will
Pricker 34 is pierced into penicillin bottle from penicillin bottle bottle stopper；Then push rod 12 is pushed to 10 front end of outer cylinder, keeps piston 11 outside
The sliding of 10 front ends of cylinder.Since amount pencil and 10 junction of outer cylinder are located in the space that two adhesive tape 40 surround, the rear end of outer cylinder 10
Packed rubber mat 41 is set between two adhesive tape 40, the central cross-section of rubber mat 41 is in " V "-shape, " V " font of rubber mat 41
Tip is equipped with strip-shaped hole 411 towards the rear end of outer cylinder 10 at the center of rubber mat 41；12, two adhesive tape 40 of push rod, 41 and of rubber mat
Pressure increases in the cavity 42 surrounded inside outer cylinder 10, and pressure increase seals the strip-shaped hole 411 on rubber mat 41；Cavity 42 simultaneously
Pressure increase the medical fluid in penicillin bottle can be made to be inhaled into branch pipe 31.Medical fluid will pass through the second one-way valve in branch pipe 31
32, due to being equipped with scale 311 from second one-way valve 32 to the section of supervisor 30 on branch pipe 31；Can by the scale 311 on branch pipe 31,
It checks by the volume of the medical fluid of second one-way valve 32 in branch pipe 31, if reaching required volume, can stop pushing push rod 12.
At this point, branch pipe 31 is extracted in penicillin bottle far from one end of supervisor 30,31 end of branch pipe is made not suck medical fluid,
It is further continued for pushing push rod 12, the medical fluid in branch pipe 31 will be entered supervisor 30 by third check valve, all pass through third to medical fluid
After check valve enters supervisor 30, push rod 12 can be pulled to 10 rear end of outer cylinder.Since " V " the font tip of rubber mat 41 is towards outer cylinder 10
Rear end, strip-shaped hole 411 is equipped at the center of rubber mat 41；It is surrounded inside push rod 12, two adhesive tape 40, rubber mat 41 and outer cylinders 10
Space pressure reduces to form negative pressure, and negative pressure opens strip-shaped hole 411, prevents the cavity 42 from influencing the use of the present apparatus；Simultaneously
Due to pulling push rod 12, so that the gas in cavity 42 is pushed into supervisor 30, since the front end of supervisor 30 is connected to gear door 21,
Medical fluid can be responsible for the inside of 30 front end, gear door 21, the inflow outer cylinder 10 of transverse tube 20.
After medical fluid is responsible in the 30, first check valve 22 injection outer cylinder 10, the first check valve 22 can prevent medical fluid from outer
Outflow in cylinder 10；The front end for being responsible for 30 is extracted from baffle, to prevent in next operating process, amount pencil influences outer
The configuration of 10 endothelium reagents of cylinder.Then through sucking water for injection into outer cylinder 10 at injection needle 13, to dilute liquid medicine；To medical fluid
After dilution is good, this syringe can be used to do skin test.
What has been described above is only an embodiment of the present invention, and the common sense such as well known specific structure and characteristic are not made herein in scheme
Excessive description.It, without departing from the structure of the invention, can be with it should be pointed out that for those skilled in the art
Several modifications and improvements are made, these also should be considered as protection scope of the present invention, these all will not influence what the present invention was implemented
Effect and patent practicability.
Claims (6)
1. reagent rapid preparing syringe, including outer cylinder, the piston being slidably connected in outer cylinder, fixed push rod, outer cylinder with piston
Front end be equipped with injection needle；It is characterized in that, the amount of further including pencil, the amount pencil includes supervisor and branch pipe, branch pipe and supervisor
Middle part connection；The side wall of the outer cylinder front end is equipped with transverse tube, and transverse tube, which passes through outer tube wall, to be goed deep into outer cylinder, and transverse tube is located at outer cylinder
External one end sealing is equipped with gear door；The front end of the supervisor is protruded into gear door and is connected to cross bar sealing, keeps off on door and connecting with supervisor
Place is equipped with the first check valve, and the side wall of the rear end of the rear end and outer cylinder of supervisor is connected to；Inside far from supervisor one end on branch pipe is set
There is second one-way valve, branch pipe and supervisor junction are equipped with third check valve, and branch pipe is equipped with scale；Along the length of push rod on push rod
Direction is fixed there are two the adhesive tape being slidingly sealed with outer cylinder, and two adhesive tape and outer cylinder and strut surround a cavity, is responsible for and outer
Cylinder junction is located in cavity；The rear end of the outer cylinder, which is located between two adhesive tape, is equipped with rubber mat, and the rubber mat and cavity seal
It is slidably connected, the central cross-section of rubber mat is in " V "-shape, and " V " the font tip of rubber mat is towards the rear end of outer cylinder, at the center of rubber mat
Equipped with strip-shaped hole.
2. reagent rapid preparing syringe as described in claim 1, which is characterized in that the front end of the supervisor and baffle are detachable
Connection, the first check valve are located in baffle.
3. reagent rapid preparing syringe as described in claim 1, which is characterized in that the third check valve is sheet rubber, institute
Sheet rubber is stated by branch pipe interior separations, sheet rubber is equipped with extruded hole.
4. reagent rapid preparing syringe as described in claim 1, which is characterized in that far from the connection of supervisor one end on the branch pipe
There is pricker, the pricker and branch tube end are connected together.
5. reagent rapid preparing syringe as claimed in claim 4, which is characterized in that the outer cylinder is equipped with fixed lancet and branch
The accommodating groove of pipe.
6. reagent rapid preparing syringe as claimed in claim 2, which is characterized in that the baffle side and transverse tube end are cut with scissors
It connects, sealing ring is equipped at the engaging on transverse tube with baffle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710526699.9A CN107376749B (en) | 2017-06-30 | 2017-06-30 | Reagent rapid preparing syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710526699.9A CN107376749B (en) | 2017-06-30 | 2017-06-30 | Reagent rapid preparing syringe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107376749A CN107376749A (en) | 2017-11-24 |
| CN107376749B true CN107376749B (en) | 2019-06-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710526699.9A Active CN107376749B (en) | 2017-06-30 | 2017-06-30 | Reagent rapid preparing syringe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107376749B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113289149B (en) * | 2021-05-28 | 2022-08-19 | 鹰潭荣嘉集团医疗器械实业有限公司 | Medical syringe |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201481925U (en) * | 2009-08-04 | 2010-05-26 | 廖日华 | Disposable skin test syringe |
| US9308506B2 (en) * | 2009-01-21 | 2016-04-12 | Medmix Systems Ag | Mixing apparatus having display for pressure change |
| CN206138410U (en) * | 2016-08-26 | 2017-05-03 | 黄兴国 | Automatic medicine preparing device for pharmaceutical infusion |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8382704B2 (en) * | 2006-12-29 | 2013-02-26 | Medrad, Inc. | Systems and methods of delivering a dilated slurry to a patient |
-
2017
- 2017-06-30 CN CN201710526699.9A patent/CN107376749B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9308506B2 (en) * | 2009-01-21 | 2016-04-12 | Medmix Systems Ag | Mixing apparatus having display for pressure change |
| CN201481925U (en) * | 2009-08-04 | 2010-05-26 | 廖日华 | Disposable skin test syringe |
| CN206138410U (en) * | 2016-08-26 | 2017-05-03 | 黄兴国 | Automatic medicine preparing device for pharmaceutical infusion |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107376749A (en) | 2017-11-24 |
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