CN111012665A - Micro-quantity quantitative drawing and dispensing device for injector - Google Patents
Micro-quantity quantitative drawing and dispensing device for injector Download PDFInfo
- Publication number
- CN111012665A CN111012665A CN202010016334.3A CN202010016334A CN111012665A CN 111012665 A CN111012665 A CN 111012665A CN 202010016334 A CN202010016334 A CN 202010016334A CN 111012665 A CN111012665 A CN 111012665A
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- China
- Prior art keywords
- push rod
- shell
- gear
- rod
- limiting device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000003814 drug Substances 0.000 abstract description 48
- 210000003813 thumb Anatomy 0.000 abstract description 10
- 239000007788 liquid Substances 0.000 description 24
- 238000000034 method Methods 0.000 description 7
- 229940079593 drug Drugs 0.000 description 5
- 239000002699 waste material Substances 0.000 description 5
- 210000004247 hand Anatomy 0.000 description 4
- 238000010255 intramuscular injection Methods 0.000 description 3
- 239000007927 intramuscular injection Substances 0.000 description 3
- 238000010253 intravenous injection Methods 0.000 description 3
- 240000007643 Phytolacca americana Species 0.000 description 2
- 235000009074 Phytolacca americana Nutrition 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
- A61J1/14—Details; Accessories therefor
- A61J1/20—Arrangements for transferring or mixing fluids, e.g. from vial to syringe
- A61J1/22—Arrangements for transferring or mixing fluids, e.g. from vial to syringe with means for metering the amount of fluid
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
- A61J1/14—Details; Accessories therefor
- A61J1/20—Arrangements for transferring or mixing fluids, e.g. from vial to syringe
- A61J1/2003—Accessories used in combination with means for transfer or mixing of fluids, e.g. for activating fluid flow, separating fluids, filtering fluid or venting
- A61J1/2048—Connecting means
- A61J1/2051—Connecting means having tap means, e.g. tap means activated by sliding
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
- A61J1/14—Details; Accessories therefor
- A61J1/20—Arrangements for transferring or mixing fluids, e.g. from vial to syringe
- A61J1/2096—Combination of a vial and a syringe for transferring or mixing their contents
Landscapes
- Health & Medical Sciences (AREA)
- Pharmacology & Pharmacy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a micro-quantity quantitative medicine extracting and dispensing device for an injector, which comprises a shell, a first thumb wheel, a second thumb wheel, a rotating shaft, a gear, a push rod and a limiting device, wherein the first thumb wheel and the second thumb wheel are rotatably arranged on the shell through the rotating shaft, the gear is arranged on the rotating shaft, the push rod is slidably arranged inside the shell, and the limiting device is slidably arranged inside the shell.
Description
Technical Field
The invention relates to a medical instrument, in particular to a micro-quantitative pumping and dispensing device for an injector.
Background
When medical staff injects a vein or muscle to a patient, two or more kinds of liquid medicines are often required to be mixed according to medical advice and then injected to the patient, the method for mixing the liquid medicines by the medical staff at present is that the required liquid medicines are directly extracted from different medicine bottles by using an injector, the extracted medicine amount is completely controlled by the hands and experience of the medical staff, if more medicine is added in the extracting process of the first medicine, the excessive medicine amount can be pushed out of the injector and discharged into a garbage can, so that the waste of the liquid medicines is caused, the possibility of discharging more extracted liquid medicines can be solved, the medicine dosage and safety are ensured, if the second medicine is extracted by using the same injector, more or less medicine amount can be inaccurate, particularly, the medicine dosage of newborn pediatrics is extremely small, sometimes 0.5 ml or less medicine amount needs to be extracted, and the accuracy of the medicine amounts can be difficult to ensure by human eyes, therefore, medical staff think of using a 1 ml syringe to draw and push the liquid medicine into a 10 ml or 5 ml syringe for use by a child patient, so that the process wastes time of the medical staff, reduces a lot of liquid medicine, cannot ensure the accuracy of the dosage of the child patient, imagines that only 0.5 ml or 1 ml of medicine is injected at a time, wastes a lot of medicine through the process, and has no statistics by people, but is really a very serious problem for newborns and children. Most of the prior quantitative medicine taking devices exist in laboratories, and are a process of taking out and directly injecting, and the device is directly pushed out into a fixed vessel without being sucked back into the quantitative medicine taking device, so that a trace quantitative medicine taking device for common intravenous and intramuscular injection medicine taking is not searched in China and worldwide, and the problems that the liquid medicine is wasted, the dosage is inaccurate, the disease treatment is influenced, the time of medical care personnel is wasted and the like are solved by a trace quantitative medicine taking and dispensing device used for intravenous and intramuscular injection medicine taking and dispensing.
Disclosure of Invention
The invention aims to solve the problems in the background technology and the like, and provides a micro quantitative drawing and dispensing device for a syringe.
An auxiliary quantitative medicine pumping device for a syringe comprises a shell, a first thumb wheel, a second thumb wheel, a rotating shaft, a gear, a push rod and a limiting device, wherein the first thumb wheel and the second thumb wheel are rotatably arranged on the shell through the rotating shaft;
the shell is provided with a clamping groove, scales and a needle cylinder placing groove;
the push rod comprises a moving rod, a first locking screw and a telescopic rod, the telescopic rod is arranged in the moving rod in a sliding mode, and the telescopic rod is locked in position through the first locking screw;
the movable rod is provided with a rack, a threaded hole, a clamping block and a sliding groove;
the telescopic rod is provided with a groove;
specifically, the telescopic rod is arranged in the sliding groove, the first locking screw is screwed into the threaded hole, when the extending amount of the telescopic rod needs to be adjusted, the first locking screw is unscrewed, the telescopic rod can freely slide in the sliding groove, when the required length is adjusted, the first locking screw is screwed, and the position of the telescopic rod is also locked by the first locking screw;
the gear is meshed with the rack;
specifically, when the push rod needs to be moved, medical staff pokes the first poking wheel and the second poking wheel by hands, the first poking wheel and the second poking wheel drive the gear to rotate through the rotating shaft, and the gear drives the moving rod to do linear motion through the rack meshed with the gear, so that the whole push rod is driven to do linear motion;
the limiting device comprises a stop block, pointers and second locking screws, the pointers are symmetrically arranged on the stop block, the second locking screws penetrate through threaded holes in the stop block, and the second locking screws are symmetrically arranged on two sides of the stop block;
specifically, the limiting device can slide in the shell, position fixing is carried out through the second locking screws, when the limiting device needs to be moved, the second locking screws on the two sides of the stop block are unscrewed, the bottom ends of the second locking screws leave the inner wall of the shell, the limiting device can not freely slide in the shell, when the limiting device is adjusted to the needed position, the second locking screws on the two sides of the stop block are screwed, and the position of the limiting device is fixed;
specifically, the dog's effect is the displacement of restriction push rod, cooperates through the fixture block on dog and the carriage release lever for the push rod is when moving certain distance, and the dog blocks the fixture block, thereby reaches the purpose of restriction push rod displacement.
The working principle and the process of the invention are as follows:
when the device is used, when medical personnel needs to prepare liquid medicine, in the first situation, when no liquid medicine exists in the injector, the medical personnel unscrews the second locking screw, adjusts the limiting device, and indicates the extracted fixed liquid medicine amount through the pointer of the limiting device, because the shell is provided with the scales, when the pointer is adjusted to the scales needing to be extracted, the second locking screw is screwed, the limiting device is fixed, then the injector needle cylinder is placed in the needle cylinder placing groove, the tail part of the needle cylinder is clamped into the clamping groove, the needle cylinder is axially positioned, the tail part of the injector push rod is clamped into the groove on the telescopic rod, the injector push rod is axially positioned at the moment, the medical personnel holds the injector and the device by hands, then uses the thumb to stir the first shifting wheel and the second shifting wheel, the first shifting wheel and the second shifting wheel drive the gear to rotate through the rotating shaft, the gear drives the moving rod to do linear motion through the rack meshed with the gear, the whole push rod is driven to do linear motion, the push rod drives the push rod of the injector to do linear motion, liquid medicine enters the needle cylinder through the movement of the push rod of the injector, when the scales appointed by the pointer are reached, the block blocks are clamped by the stop blocks, the push rod stops moving, the push rod of the injector also stops moving, and the liquid medicine amount entering the needle cylinder is the liquid medicine amount of the scales appointed by the pointer at the moment; the second condition, when having the liquid medicine in the syringe, the position of syringe push rod is not the initial position this moment, so medical personnel need adjust the volume that stretches out of telescopic link, at first the first dead screw of screwing off, the telescopic link can freely slide in the spout, when the volume that stretches out of adjusting the telescopic link matches with the position of syringe push rod, the first dead screw of screwing, the telescopic link position is also died by the dead screw lock of first dead screw lock, then the operation of repeated first condition can realize the ration extraction to the liquid medicine.
The invention has the beneficial effects that:
the invention has simple structure, convenient operation, safety and reliability, can quantitatively extract the liquid medicine when the medicine is extracted and dispensed by intravenous injection and intramuscular injection, and avoids the problems of liquid medicine waste, inaccurate medicine amount, influence on disease treatment, time waste of medical care personnel and the like.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is a top view of the present invention;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3 in accordance with the present invention;
FIG. 5 is a perspective view of the putter of the present invention;
FIG. 6 is a schematic perspective view of the travel bar of the present invention;
FIG. 7 is a perspective view of the spacing device of the present invention;
fig. 8 is a perspective view of the present invention in use with a syringe.
Detailed Description
Referring to fig. 1 to 8, an auxiliary quantitative medicine extracting device for a syringe includes a housing 1, a first dial wheel 2, a second dial wheel 3, a rotating shaft 4, a gear 5, a push rod 6, and a limiting device 7, wherein the first dial wheel 2 and the second dial wheel 3 are rotatably disposed on the housing 1 through the rotating shaft 4, the gear 5 is disposed on the rotating shaft 4, the push rod 6 is slidably disposed inside the housing 1, and the limiting device 7 is slidably disposed inside the housing 1;
the shell 1 is provided with a clamping groove 11, scales 12 and a needle cylinder placing groove 13;
the push rod 6 comprises a moving rod 61, a first locking screw 62 and an expansion rod 63, the expansion rod 63 is arranged in the moving rod 61 in a sliding mode, and the expansion rod 63 is locked in position through the first locking screw 62;
the moving rod 61 is provided with a rack 611, a threaded hole 612, a clamping block 613 and a sliding groove 614;
the telescopic rod 63 is provided with a groove 631;
specifically, the telescopic rod 63 is arranged in the sliding groove 614, the first locking screw 62 is screwed into the threaded hole 612, when the extending amount of the telescopic rod 63 needs to be adjusted, the first locking screw 62 is unscrewed, the telescopic rod 63 can freely slide in the sliding groove 614, when the required length is adjusted, the first locking screw 62 is screwed, and the position of the telescopic rod 63 is also locked by the first locking screw 62;
the gear 5 is meshed with the rack 611;
specifically, when the push rod 6 needs to be moved, medical personnel pokes the first poking wheel 2 and the second poking wheel 3 by hands, the first poking wheel 2 and the second poking wheel 3 drive the gear 5 to rotate through the rotating shaft 4, and the gear 5 drives the moving rod 61 to do linear motion through the rack 611 meshed with the gear 5, so that the whole push rod 6 is driven to do linear motion;
the limiting device 7 comprises a stop block 71, pointers 72 and second locking screws 73, the pointers 72 are symmetrically arranged on the stop block 71, the second locking screws 73 penetrate through threaded holes in the stop block 71, and the second locking screws 73 are symmetrically arranged on two sides of the stop block 71;
specifically, the limiting device 7 can slide in the housing 1, and is fixed in position by the second locking screws 73, when the limiting device 7 needs to be moved, the second locking screws 73 on the two sides of the stopper 71 are loosened, the bottom end of the second locking screw 73 leaves the inner wall of the housing 1, at this time, the limiting device 7 can not freely slide in the housing 1, and when the limiting device 7 is adjusted to a required position, the second locking screws 73 on the two sides of the stopper 71 are screwed, and the position of the limiting device 7 is fixed;
specifically, the stopper 71 is used for limiting the moving distance of the push rod 6, and the stopper 71 is matched with the fixture block 613 on the moving rod 61, so that when the push rod 6 moves to a certain distance, the fixture block 613 is clamped by the stopper 71, and the purpose of limiting the moving distance of the push rod 6 is achieved.
The working principle and the process of the invention are as follows:
referring to fig. 1 to 8, in use, when a medical worker needs to prepare a liquid medicine, in the first case, when no liquid medicine exists in the syringe, the medical worker unscrews the second locking screw 73, adjusts the limiting device 7, points out the amount of the liquid medicine to be extracted through the pointer 72 of the limiting device 7, because the housing 1 is provided with the scale 12, when the pointer 72 is adjusted to the scale to be extracted, the second locking screw 73 is screwed, the limiting device 7 is fixed, then the syringe needle cylinder is placed in the needle cylinder placing groove 13, the tail of the syringe needle cylinder is clamped into the clamping groove 11, the syringe needle cylinder is axially positioned, the tail of the syringe push rod is clamped into the groove 631 on the telescopic rod 63, the syringe push rod is axially positioned, the medical worker holds the syringe and the device by hand, then dials the first dial wheel 2 and the second dial wheel 3 with thumbs, the first dial wheel 2 and the second dial wheel 3 drive the gear 5 to rotate through the rotating shaft 4, the gear 5 drives the moving rod 61 to do linear motion through the rack 611 engaged with the gear, so as to drive the whole push rod 6 to do linear motion, the push rod 6 drives the syringe push rod to do linear motion, the liquid medicine enters the syringe through the movement of the syringe push rod, when the scale specified by the pointer 72 is reached, the block 613 is clamped by the block 71, the push rod 6 stops moving, the syringe push rod also stops moving, and the liquid medicine amount entering the syringe at this moment is the liquid medicine amount of the scale specified by the pointer 72; in the second situation, when the medical fluid is already in the syringe, the position of the syringe push rod is not the initial position, so that the medical staff needs to adjust the extending amount of the telescopic rod 63, firstly, the first locking screw 62 is loosened, the telescopic rod 63 can freely slide in the sliding groove 614, when the extending amount of the telescopic rod 63 is adjusted to be matched with the position of the syringe push rod, the first locking screw 62 is screwed, the position of the telescopic rod 63 is also locked by the first locking screw 62, and then, the quantitative extraction of the medical fluid can be realized by repeating the operation in the first situation.
Claims (1)
1. The utility model provides a dispensing device is taken out to trace ration for syringe which characterized in that: the gear shifting mechanism comprises a shell (1), a first shifting wheel (2), a second shifting wheel (3), a rotating shaft (4), a gear (5), a push rod (6) and a limiting device (7), wherein the first shifting wheel (2) and the second shifting wheel (3) are rotatably arranged on the shell (1) through the rotating shaft (4), the gear (5) is arranged on the rotating shaft (4), the push rod (6) is slidably arranged in the shell (1), and the limiting device (7) is slidably arranged in the shell (1);
the shell (1) is provided with a clamping groove (11), scales (12) and a needle cylinder placing groove (13);
the push rod (6) comprises a moving rod (61), a first locking screw (62) and a telescopic rod (63), the telescopic rod (63) is arranged inside the moving rod (61) in a sliding mode, and the telescopic rod (63) is locked in position through the first locking screw (62);
the moving rod (61) is provided with a rack (611), a threaded hole (612), a clamping block (613) and a sliding groove (614);
the telescopic rod (63) is provided with a groove (631);
the gear (5) is meshed with the rack (611);
the limiting device (7) comprises a stop block (71), a pointer (72) and second locking screws (73), wherein the pointer (72) is symmetrically arranged on the stop block (71), the second locking screws (73) penetrate through threaded holes in the stop block (71), and the second locking screws (73) are symmetrically arranged on two sides of the stop block (71).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010016334.3A CN111012665A (en) | 2020-01-08 | 2020-01-08 | Micro-quantity quantitative drawing and dispensing device for injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010016334.3A CN111012665A (en) | 2020-01-08 | 2020-01-08 | Micro-quantity quantitative drawing and dispensing device for injector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111012665A true CN111012665A (en) | 2020-04-17 |
Family
ID=70198555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010016334.3A Pending CN111012665A (en) | 2020-01-08 | 2020-01-08 | Micro-quantity quantitative drawing and dispensing device for injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111012665A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112842910A (en) * | 2021-01-08 | 2021-05-28 | 秦江玮 | Be used for gastroenterology nursing medicine feed device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030172924A1 (en) * | 2002-03-07 | 2003-09-18 | Staniforth John Nicholas | Medicament storage and delivery devices |
| CN203989439U (en) * | 2014-06-16 | 2014-12-10 | 广东省中医院 | A kind of throat syringe |
| CN105496779A (en) * | 2015-12-02 | 2016-04-20 | 苏州大学附属儿童医院 | Medical dispensing machine |
| CN105943382A (en) * | 2016-05-18 | 2016-09-21 | 张巍 | Sterile dispensing system |
| CN106890093A (en) * | 2017-03-23 | 2017-06-27 | 上海市肺科医院 | The accurate adapted device of chemotherapy dose |
| CN107126315A (en) * | 2016-02-29 | 2017-09-05 | 梅迪塞有限公司 | Syringe with transmission mechanism, especially gear transmission chain |
| CN107362037A (en) * | 2017-08-03 | 2017-11-21 | 安徽迈菲思医疗器械有限公司 | A kind of medicine dissolving device |
| CN207286323U (en) * | 2017-02-21 | 2018-05-01 | 潘�清 | A kind of medicine dispensation apparatus |
| CN207545477U (en) * | 2017-05-19 | 2018-06-29 | 嘉兴市第二医院 | A kind of novel pumping liquid device |
| CN108421131A (en) * | 2018-04-08 | 2018-08-21 | 复旦大学附属眼耳鼻喉科医院 | A kind of roller type multi injector |
| CN208864824U (en) * | 2018-02-23 | 2019-05-17 | 宁波市第二医院 | Make up a prescription pumping device |
| CN211326908U (en) * | 2020-01-08 | 2020-08-25 | 吉林大学 | Micro-quantity quantitative drawing and dispensing device for injector |
-
2020
- 2020-01-08 CN CN202010016334.3A patent/CN111012665A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030172924A1 (en) * | 2002-03-07 | 2003-09-18 | Staniforth John Nicholas | Medicament storage and delivery devices |
| CN203989439U (en) * | 2014-06-16 | 2014-12-10 | 广东省中医院 | A kind of throat syringe |
| CN105496779A (en) * | 2015-12-02 | 2016-04-20 | 苏州大学附属儿童医院 | Medical dispensing machine |
| CN107126315A (en) * | 2016-02-29 | 2017-09-05 | 梅迪塞有限公司 | Syringe with transmission mechanism, especially gear transmission chain |
| CN105943382A (en) * | 2016-05-18 | 2016-09-21 | 张巍 | Sterile dispensing system |
| CN207286323U (en) * | 2017-02-21 | 2018-05-01 | 潘�清 | A kind of medicine dispensation apparatus |
| CN106890093A (en) * | 2017-03-23 | 2017-06-27 | 上海市肺科医院 | The accurate adapted device of chemotherapy dose |
| CN207545477U (en) * | 2017-05-19 | 2018-06-29 | 嘉兴市第二医院 | A kind of novel pumping liquid device |
| CN107362037A (en) * | 2017-08-03 | 2017-11-21 | 安徽迈菲思医疗器械有限公司 | A kind of medicine dissolving device |
| CN208864824U (en) * | 2018-02-23 | 2019-05-17 | 宁波市第二医院 | Make up a prescription pumping device |
| CN108421131A (en) * | 2018-04-08 | 2018-08-21 | 复旦大学附属眼耳鼻喉科医院 | A kind of roller type multi injector |
| CN211326908U (en) * | 2020-01-08 | 2020-08-25 | 吉林大学 | Micro-quantity quantitative drawing and dispensing device for injector |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112842910A (en) * | 2021-01-08 | 2021-05-28 | 秦江玮 | Be used for gastroenterology nursing medicine feed device |
| CN112842910B (en) * | 2021-01-08 | 2022-09-27 | 斯坦森(广州)生物科技有限公司 | Be used for gastroenterology nursing medicine feed device |
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