CN105031762A - Transfusion apparatus - Google Patents
Transfusion apparatus Download PDFInfo
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- CN105031762A CN105031762A CN201510473820.7A CN201510473820A CN105031762A CN 105031762 A CN105031762 A CN 105031762A CN 201510473820 A CN201510473820 A CN 201510473820A CN 105031762 A CN105031762 A CN 105031762A
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- pump door
- infusion
- pump
- housing
- column
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a transfusion apparatus composed of a transfusion pump and a disposable transfusion device provided with a needle. The transfusion apparatus is characterized in that a pump door is arranged on the housing; a plate-shaped wrench is arranged on the outer side of the pump door; a first column is fixed to the wrench; the first column is provided with a jack; a pump door switch is arranged on the inner side of the pump door; one end of the pump door switch is provided with a hooked piece, and the other end of the pump door switch is inserted in the jack; a first spring is arranged between the pump door switch and the wrench; the housing is internally provided with a locking slot, and the hooked piece matches the locking slot; the housing is internally provided with a liquid stopping clip; a second spring is arranged between the liquid stopping clip and the housing; the liquid stopping clip is composed of a tail part, a body part and a head part; a step is fixedly formed at the portion, corresponding to the body part of the liquid stopping clip, of the housing; and a second column and a third column are arranged on the inner side of the pump door. The transfusion apparatus is simple is structure, is convenient to operate, and is higher in accuracy, safety and reliability for infusion.
Description
Technical field
The present invention relates to medical instruments field, be specifically related to a kind of for intravenous infusion set.
Background technology
Venous transfusion is a kind of administering mode conventional in clinical treatment.According to the difference of pharmaceutical properties, patient's body constitution, speed of intravenous infusion is also different.At present, the general infusion set of extensive use clinically mainly relies on liquid level difference pressure to receptor infusion fluid, relies on nursing staff's perusal, hand adjustment wheel folder control transfusion speed.General infusion set lacks and blocks warning, bubble is reported to the police, control the functions such as infusion of drug precision, adds clinical care burden.Infusion pump is that one can accurately control number of infusion drops or infusion flow rate, ensure medicine can speed even, dose accurately and enter a kind of instrument played a role in patient body safely, it is a kind of intelligentized infusion set simultaneously, transfusion speed does not affect by human body back pressure and operator, infusion accurately and reliably, contributes to reducing clinical nursing activity intensity, improves the accuracy of infusion, safety and nursing quality.Infusion pump is electronic-controlled installation normally, and it reaches by acting on infusion tube the object controlling transfusion speed.Infusion pump is usually used in the situation needing strictly to control amount of infusion and dose, as the situation such as medicine, antiarrhythmic drug of boosting in application.Infusion pump in present infusion set is on the market primarily of compositions such as dynamical system, housing, panel, pump door, creeping mechanisms, and all belong to vertical structure, namely infusion tube is that vertical shape is connected in housing, pump impeller extruding infusion tube in creeping mechanism, infusion tube overlays on the roller bearing of pump impeller by drawing high fixed packet, pump impeller makes liquid medicine flow by rotating continuously extruded infusion tube, thus realizes liquid medicine injection.But the degree of accuracy of such infusion set when infuse medical fluid, safety and reliability need improve.
Summary of the invention
The invention provides a kind of infusion set, its object is to improve the degree of accuracy of existing infusion set when infuse medical fluid, safety and reliability.
For achieving the above object, the technical solution used in the present invention is: a kind of infusion set, be made up of infusion pump and disposable band pin transfusion device, described disposable band pin transfusion device comprises intravenous needle, infusion tube, liquid medicine filter, flow regulator, Murphy tube, air inlet pipe air filter, bag, described infusion pump comprises dynamical system, pump door, creeping mechanism, pressure transducer and bubble detecting element, described dynamical system comprises the motor providing power, control panel and the driving shaft of the running of this motor, described motor can obtain pulse signal and drive driving shaft to rotate, described creeping mechanism to be arranged in described housing and can to carry out to described infusion tube wrigglings and extrudes, described pressure transducer to be arranged in described housing and can to carry out pressure detecting to described infusion tube, described bubble detecting element to be arranged in housing and can to carry out bubble detection to described infusion tube, described pump door is established on the housing and is opened downwards, and the outside of described pump door is provided with the spanner of a tabular, spanner is fixed with the first column, and the position that described in described pump Men Yu, the first column is corresponding is provided with a through hole, and described first column is through through hole, described first column offers jack, the inner side of described pump door is provided with pump door trip, and this pump door trip is a blocks, and one end of blocks is provided with hook-like part, the other end of blocks is plugged in described jack, is provided with the first spring between described pump door trip and described spanner, be provided with locked groove in described housing, described hook-like part can coordinate with the described pump door locked under closed condition with locked groove,
The inner side of described pump door is provided with to match with described creeping mechanism and compresses the pressing plate of described infusion tube; The inner side of described pump door is also provided with to match with described pressure transducer detects the baffle plate of described infusion tube pressure;
Liquid stopping clamp is provided with in described housing, the second spring is provided with between liquid stopping clamp and housing, described liquid stopping clamp by afterbody, to side protrude arrange trunk and to opposite side protrude arrange head form, the external diameter of described head is greater than the external diameter of described trunk, the external diameter of trunk is greater than the external diameter of described afterbody, and described housing is fixed with a step on the position of the described trunk of correspondence; The inner side of described pump door is provided with the second column of coordinating with described trunk and the 3rd column with described head fits; When installing described infusion tube, the lower edge of the trunk of described liquid stopping clamp can manually be hung on described step; When closing described pump door, described trunk pushed by described second column, and finally makes the lower edge of the head of described liquid stopping clamp hang on described 3rd column; When described infusion pump quits work and opens pump door, described liquid stopping clamp is subject to the downward active force of described second spring and compresses described infusion tube downwards;
When described infusion pump work, described infusion tube level is horizontal in described housing.
Related content in technique scheme is explained as follows:
1, in such scheme, preferably scheme is that described creeping mechanism comprises the first wildhaber-novikov gear, the second wildhaber-novikov gear, Timing Belt, driving shaft, cam and power sheet; Described first wildhaber-novikov gear is fixedly supported on described driving shaft, described second wildhaber-novikov gear is fixedly supported on described driving shaft, first wildhaber-novikov gear is less than the second wildhaber-novikov gear, first wildhaber-novikov gear is connected by described toothed belt transmission with the second wildhaber-novikov gear, described driving shaft is axially provided with several cam along it, and each cam is provided with power sheet.
2, in such scheme, preferably scheme is that described dynamical system also comprises motor shock absorption pad and bearing cap, described bearing cap to be located on described driving shaft and to be fixedly connected with housing, one end of described motor shock absorption pad is fixedly connected with described motor, and the other end of motor shock absorption pad is fixedly connected with described bearing cap.Further, power flexible axle is provided with between described motor and described driving shaft.
Design feature of the present invention and beneficial effect are: the invention discloses a kind of infusion set, and this device is made up of infusion pump and disposable band pin transfusion device, is especially embodied in the improvement of syringe structure with the difference of prior art.The pump door of infusion pump of the present invention can complete easily, easily to be opened and closedown, when opening pump door, manually pull spanner, now because one end of described pump door trip is plugged in the jack of the first column, under the effect of lever force, first column drives the hook-like part of pump door trip to depart from locked groove, thus unblank, directly close pump door, just can realize the object of closing pump door, such pump door can easily be opened and closed, and substantially reducing the time used when installing infusion pipeline, well improve the work efficiency of medical personnel.
Moreover, the smart structural design of liquid stopping clamp, when installing described infusion tube, need liquid stopping clamp to open, the lower edge of the trunk of described liquid stopping clamp is manually hung on described step; When close described pump door, infusion pump bring into operation work time, trunk pushed by described second column, and finally makes the lower edge of the head of liquid stopping clamp hang on described 3rd column, thus realizes the duty of medicinal liquid infusion; When described infusion pump quits work and opens pump door, described liquid stopping clamp is subject to the downward active force of described second spring and compresses described infusion tube downwards, thus reaches only liquid effect.
Creeping mechanism design form of the present invention is also different from prior art, first wildhaber-novikov gear, the second wildhaber-novikov gear and Timing Belt closely cooperate, first wildhaber-novikov gear is less than the second wildhaber-novikov gear, small one and large one circle-arc tooth is supporting installs and uses the transmission enhancing power, thus has driven the rotation of driving shaft very stably; Driving shaft is axially provided with several cam along it, each cam is provided with power sheet, also namely when infusion pump operation work, single power sheet does seesawing repeatedly, multiple power sheet regards the wave motion from side to opposite side on the whole as, like this, the infusion tube of transfusion device just can be straight accumbency in the housing of infusion pump, the horizontal wave of creeping mechanism is wriggled and is extruded infusion tube, thus ensure that the fatigue durability under this infusion set duty, and improve the degree of accuracy of infusion.In addition, at closedown pump door and infusion pump does not also bring into operation during work, power sheet also serves the only liquid effect to pipeline, has higher safety and reliability.
The structure of dynamical system of the present invention is simple; Simple, fast and easy in installation process; By power flexible axle, motor is connected cleverly with driving shaft, motor shock absorption pad by motor fuselage and bearing cap fixing and locking, the vibrations produced when power flexible axle and motor shock absorption pad reduce motor-driven simultaneously and noise; By hexagon socket head cap screw, bearing cap and infusion pump fore shell are fixed, install very convenient.
In a word, infusion set structure of the present invention is simple, easy to operate, having higher precision, safety and reliability for during patient's infuse medical fluid.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation one that infusion pump of the present invention is being opened under pump door state;
Accompanying drawing 2 is the sectional view in the A-A direction of accompanying drawing 1;
Accompanying drawing 3 is the sectional view of the B-B direction creeping mechanism of accompanying drawing 1;
Accompanying drawing 4 is the structural representation two that infusion pump of the present invention is being opened under pump door state;
Accompanying drawing 5 is the pump door of infusion pump of the present invention and the decomposing schematic representation of housing parts;
Accompanying drawing 6 is the dynamical system axonometric drawing of infusion pump of the present invention;
Accompanying drawing 7 is that infusion pump of the present invention is closing the structural representation under pump door state;
Accompanying drawing 8 is the sectional view in the C-C direction of accompanying drawing 7;
Accompanying drawing 9 is the dynamical system of infusion pump of the present invention and the structural representation of creeping mechanism.
In above accompanying drawing: 1, housing; 2, creeping mechanism; 3, pressing plate; 4, spanner; 5, pump door; 6, pump door trip; 7, liquid stopping clamp; 8, pressure transducer; 9, baffle plate; 10, locked groove; 11, the first wildhaber-novikov gear; 12, the second wildhaber-novikov gear; 13, Timing Belt; 14, driving shaft; 15, driving shaft; 16, power sheet; 17, cam; 18, the first column; 19, the second column; 20, the 3rd column; 21, motor; 22, motor shock absorption pad; 23, bearing cap; 24, step; 25, bubble detecting element.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described:
Embodiment one: a kind of infusion set
Shown in accompanying drawing 1 to accompanying drawing 9, a kind of infusion set is made up of infusion pump and disposable band pin transfusion device, and described disposable band pin transfusion device comprises intravenous needle, infusion tube, liquid medicine filter, flow regulator, Murphy tube, air inlet pipe air filter, bag, described disposable band pin transfusion device be with infusion pump with the use of, described infusion pump comprises dynamical system, pump door 5, creeping mechanism 2, pressure transducer 8 and bubble detecting element 25, described dynamical system comprises the motor 21 providing power, control panel and the driving shaft 14 of the running of this motor 21, described motor 21 can obtain pulse signal and drive driving shaft 14 to rotate, described creeping mechanism 2 to be arranged in described housing 1 and can to carry out to described infusion tube wrigglings and extrudes, described pressure transducer 8 to be arranged in described housing 1 and can to carry out pressure detecting to described infusion tube, described bubble detecting element 25 to be arranged in housing 1 and can to carry out bubble detection to described infusion tube, described pump door 5 is located on described housing 1 and also opens downwards, the outside of described pump door 5 is provided with the spanner 4 of a tabular, spanner 4 is fixed with the first column 18, described pump door 5 is provided with a through hole on the position corresponding with described first column 18, and described first column 18 is through through hole, described first column 18 offers jack, the inner side of described pump door 5 is provided with pump door trip 6, and this pump door trip 6 is a blocks, and one end of blocks is provided with hook-like part, the other end of blocks is plugged in described jack, is provided with the first spring between described pump door trip 6 and described spanner 4, be provided with locked groove 10 in described housing 1, described hook-like part can coordinate the described pump door 5 locked under closed condition with locked groove 10,
The inner side of described pump door 5 is provided with to match with described creeping mechanism 2 and compresses the pressing plate 3 of described infusion tube; The inner side of described pump door 5 is also provided with to match with described pressure transducer 8 detects the baffle plate 9 of described infusion tube pressure; Pressure transducer 8 is for detecting infusion pressure, and when infusion pressure exceedes early warning value, enteral nutrition pump can be reported to the police;
Liquid stopping clamp 7 is provided with in described housing 1, the second spring is provided with between liquid stopping clamp 7 and housing 1, described liquid stopping clamp 7 by afterbody, to side protrude arrange trunk and to opposite side protrude arrange head form, the external diameter of described head is greater than the external diameter of described trunk, the external diameter of trunk is greater than the external diameter of described afterbody, and described housing 1 is fixed with a step 24 on the position of the described trunk of correspondence; The inner side of described pump door 5 is provided with the second column 19 of coordinating with described trunk and the 3rd column 20 with described head fits; When installing described infusion tube, the lower edge of the trunk of described liquid stopping clamp 7 can manually be hung on described step 24; When closing described pump door 5, described trunk pushed by described second column 19, and finally makes the lower edge of the head of described liquid stopping clamp 7 hang on described 3rd column 20; When described infusion pump quits work and opens pump door, described liquid stopping clamp 7 is subject to the downward active force of described second spring and compresses described infusion tube downwards;
When described infusion pump work, described infusion tube level is horizontal in described housing 1.
Described creeping mechanism comprises the first wildhaber-novikov gear 11, second wildhaber-novikov gear 12, Timing Belt 13, driving shaft 15, cam 17 and power sheet 16; Described first wildhaber-novikov gear 11 is fixedly supported on described driving shaft 14, described second wildhaber-novikov gear 12 is fixedly supported on described driving shaft 15, first wildhaber-novikov gear 11 to the second wildhaber-novikov gear 12 is little, first wildhaber-novikov gear 11 and the second wildhaber-novikov gear 12 are in transmission connection by described Timing Belt 13, described driving shaft 15 is axially provided with several cam 17 along it, and each cam 17 is provided with power sheet 16.
Described dynamical system also comprises motor shock absorption pad 22 and bearing cap 23, described bearing cap 23 to be located on described driving shaft 14 and to be fixedly connected with housing 1, one end of described motor shock absorption pad 22 is fixedly connected with described motor 21, and the other end of motor shock absorption pad 22 is fixedly connected with described bearing cap 23.
Power flexible axle is also provided with between described motor 21 and described driving shaft 14.
In addition, described housing 1 is provided with guidance panel, display screen, operates this infusion pump for medical worker.
Above-described embodiment, only for technical conceive of the present invention and feature are described, its object is to person skilled in the art can be understood content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalences done according to spirit of the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (4)
1. an infusion set, is made up of infusion pump and disposable band pin transfusion device, and described disposable band pin transfusion device comprises intravenous needle, infusion tube, liquid medicine filter, flow regulator, Murphy tube, air inlet pipe air filter, bag, described infusion pump comprises dynamical system, pump door (5), creeping mechanism (2), pressure transducer (8) and bubble detecting element (25), described dynamical system comprises the motor (21) providing power, control panel that this motor (21) operates and driving shaft (14), described motor (21) can obtain pulse signal and drive driving shaft (14) to rotate, described creeping mechanism (2) to be arranged in described housing (1) and can to carry out to described infusion tube wrigglings and extrudes, described pressure transducer (8) to be arranged in described housing (1) and can to carry out pressure detecting to described infusion tube, described bubble detecting element (25) to be arranged in housing (1) and can to carry out bubble detection to described infusion tube, it is characterized in that: described pump door (5) is located at described housing (1) and goes up and open downwards, the outside of described pump door (5) is provided with the spanner (4) of a tabular, spanner (4) is fixed with the first column (18), described pump door (5) is provided with a through hole on the position corresponding with described first column (18), described first column (18) is through through hole, described first column (18) offers jack, the inner side of described pump door (5) is provided with pump door trip (6), this pump door trip (6) is a blocks, one end of blocks is provided with hook-like part, the other end of blocks is plugged in described jack, is provided with the first spring between described pump door trip (6) and described spanner (4), be provided with locked groove (10) in described housing (1), described hook-like part can coordinate with the described pump door (5) locked under closed condition with locked groove (10),
The inner side of described pump door (5) is provided with the pressing plate (3) compressing described infusion tube that to match with described creeping mechanism (2); The inner side of described pump door (5) is also provided with to match with described pressure transducer (8) detects the baffle plate (9) of described infusion tube pressure;
Liquid stopping clamp (7) is provided with in described housing (1), the second spring is provided with between liquid stopping clamp (7) and housing (1), described liquid stopping clamp (7) by afterbody, to side protrude arrange trunk and to opposite side protrude arrange head form, the external diameter of described head is greater than the external diameter of described trunk, the external diameter of trunk is greater than the external diameter of described afterbody, and described housing (1) is fixed with a step (24) on the position of the described trunk of correspondence; The inner side of described pump door (5) is provided with the second column (19) of coordinating with described trunk and the 3rd column (20) with described head fits; When installing described infusion tube, the lower edge of the trunk of described liquid stopping clamp (7) can manually be hung on described step (24); When closing described pump door (5), described second column (19) pushes described trunk, and finally makes the lower edge of the head of described liquid stopping clamp (7) hang on described 3rd column (20); When described infusion pump quits work and opens pump door, described liquid stopping clamp (7) is subject to the downward active force of described second spring and compresses described infusion tube downwards;
When described infusion pump work, described infusion tube level is horizontal in described housing (1).
2. a kind of infusion set according to claim 1, is characterized in that: described creeping mechanism comprises the first wildhaber-novikov gear (11), the second wildhaber-novikov gear (12), Timing Belt (13), driving shaft (15), cam (17) and power sheet (16); Described first wildhaber-novikov gear (11) is fixedly supported on described driving shaft (14), described second wildhaber-novikov gear (12) is fixedly supported on described driving shaft (15), first wildhaber-novikov gear (11) is less than the second wildhaber-novikov gear (12), first wildhaber-novikov gear (11) and the second wildhaber-novikov gear (12) are in transmission connection by described Timing Belt (13), described driving shaft (15) is axially provided with several cam (17) along it, and each cam (17) is provided with power sheet (16).
3. a kind of infusion set according to claim 1, it is characterized in that: described dynamical system also comprises motor shock absorption pad (22) and bearing cap (23), described bearing cap (23) is located at described driving shaft (14) and goes up and be fixedly connected with housing (1), one end of described motor shock absorption pad (22) is fixedly connected with described motor (21), and the other end of motor shock absorption pad (22) is fixedly connected with described bearing cap (23).
4. a kind of infusion set according to claim 3, is characterized in that: be provided with power flexible axle between described motor (21) and described driving shaft (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510473820.7A CN105031762B (en) | 2015-08-05 | 2015-08-05 | A kind of infusion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510473820.7A CN105031762B (en) | 2015-08-05 | 2015-08-05 | A kind of infusion device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105031762A true CN105031762A (en) | 2015-11-11 |
| CN105031762B CN105031762B (en) | 2018-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510473820.7A Active CN105031762B (en) | 2015-08-05 | 2015-08-05 | A kind of infusion device |
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| CN (1) | CN105031762B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108421121A (en) * | 2018-05-14 | 2018-08-21 | 镇江高冠医疗器械有限公司 | A kind of precise electronic infusion device |
| CN109011000A (en) * | 2018-07-25 | 2018-12-18 | 北京科力建元医疗科技有限公司 | A kind of pump installation of infusion pump |
| CN110882438A (en) * | 2019-12-20 | 2020-03-17 | 厚爱医疗仪器（江苏）有限公司 | High-speed infusion pump for emergency treatment and use method thereof |
| CN110882437A (en) * | 2019-12-20 | 2020-03-17 | 厚爱医疗仪器（江苏）有限公司 | Linear peristaltic blood delivery pump and use method thereof |
| CN110975059A (en) * | 2019-12-25 | 2020-04-10 | 厚爱医疗仪器（江苏）有限公司 | Linear peristaltic nutrition pump and using method thereof |
| CN113144335A (en) * | 2021-05-26 | 2021-07-23 | 深圳中科生物医疗电子有限公司 | Infusion pump with liquid stopping clamp |
| CN113144334A (en) * | 2021-05-26 | 2021-07-23 | 深圳中科生物医疗电子有限公司 | Infusion pump convenient for taking and placing infusion tube |
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| JP2001025505A (en) * | 1999-07-14 | 2001-01-30 | Terumo Corp | Transfusion pump |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108421121A (en) * | 2018-05-14 | 2018-08-21 | 镇江高冠医疗器械有限公司 | A kind of precise electronic infusion device |
| CN108421121B (en) * | 2018-05-14 | 2023-12-08 | 江苏诚益达智能科技有限公司 | Precise electronic infusion device |
| CN109011000A (en) * | 2018-07-25 | 2018-12-18 | 北京科力建元医疗科技有限公司 | A kind of pump installation of infusion pump |
| CN110882438A (en) * | 2019-12-20 | 2020-03-17 | 厚爱医疗仪器（江苏）有限公司 | High-speed infusion pump for emergency treatment and use method thereof |
| CN110882437A (en) * | 2019-12-20 | 2020-03-17 | 厚爱医疗仪器（江苏）有限公司 | Linear peristaltic blood delivery pump and use method thereof |
| CN110975059A (en) * | 2019-12-25 | 2020-04-10 | 厚爱医疗仪器（江苏）有限公司 | Linear peristaltic nutrition pump and using method thereof |
| CN113144335A (en) * | 2021-05-26 | 2021-07-23 | 深圳中科生物医疗电子有限公司 | Infusion pump with liquid stopping clamp |
| CN113144334A (en) * | 2021-05-26 | 2021-07-23 | 深圳中科生物医疗电子有限公司 | Infusion pump convenient for taking and placing infusion tube |
| CN113144335B (en) * | 2021-05-26 | 2023-09-05 | 深圳中科生物医疗电子有限公司 | Infusion pump with liquid stopping clamp |
| CN113144334B (en) * | 2021-05-26 | 2023-11-10 | 深圳中科生物医疗电子有限公司 | Infusion pump convenient for taking and placing infusion tube |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105031762B (en) | 2018-06-29 |
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