CN100361714C - Infusion pump capable of accurately controlling medicinal liquid flow - Google Patents
Infusion pump capable of accurately controlling medicinal liquid flow Download PDFInfo
- Publication number
- CN100361714C CN100361714C CNB2004100746653A CN200410074665A CN100361714C CN 100361714 C CN100361714 C CN 100361714C CN B2004100746653 A CNB2004100746653 A CN B2004100746653A CN 200410074665 A CN200410074665 A CN 200410074665A CN 100361714 C CN100361714 C CN 100361714C
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- Prior art keywords
- infusion pump
- unit interval
- liquid medicine
- shift
- control
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- 239000007788 liquid Substances 0.000 title claims abstract description 26
- 238000001802 infusion Methods 0.000 title claims description 47
- 239000003814 drug Substances 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000001225 therapeutic effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The present invention discloses a transfusion pump which comprises a transfusion pump body and a medical liquid flow controller, wherein the controller comprises a stage control switch, a stage controller and an adjustable speed motor. The stage control switch is arranged on the operating panel of the main body of the transfusion pump, and is connected with the stage controller which controls the rotational speed of the adjustable speed motor. In this way, according to the control principle of the existing transfusion pump, a stepping switch is correspondingly arranged, and the operating speed of the transfusion pump is controlled by the stepping switch and the controller to complete and improve the control precision of the transfusion pump.
Description
Technical field:
The present invention relates to the instrument that a kind of medical transfusion is used, be specifically related to a kind of infusion pump of adjustable accuracy of measurement.
Background technology:
Because the desirability of the concrete state of an illness situation of patient, so require in therapeutic process, the quantity and the transfusion speed of angular vein transfusion have certain requirement in the unit interval, otherwise may influence therapeutic effect, even entail dangers to patient's life, so being used to measure and be controlled at interior instrument of infusing quantity and speed of unit interval also just arises at the historic moment, what generally use in the hospital at present is that name is called the Medical Instruments of " infusion pump ", is used to measure and control interior transfusion quantity and speed of unit interval.Its principle of existing infusion pump is by dialling inserted sheet the interruption of tube for transfusion to be pushed, and makes the medicinal liquid in the tube for transfusion pass through this infusion pump instrument, finishes the control and the gage work of amount of infusion, but has such two kinds of reasons can cause the accuracy of this control and metering to descend:
1, the difference of the internal diameter of tube for transfusion;
Infusion pump is under the prerequisite of accurately moving according to all parameters of setting, and what of interior amount of infusion of unit interval are the size of tube for transfusion internal diameter determining.Because at present under the permission of state-set standard, the internal diameter size of tube for transfusion can be on the unified internal diameter standard of regulation, the size deviation that 10% side-to-side dimensions is arranged, and in fact, the tube for transfusion of the different brands of domestic and international each manufacturers produce, because the difference in manufacturing process, the many reasons of employed material difference or the like, caused the internal diameter of the tube for transfusion that each manufacturer or same manufacturer different batches produced inequality, because varying in size of tube for transfusion internal diameter, so directly caused in the unit interval quantity of medicinal liquid quantity by infusion pump and infusion pump objective control inequality, just the amount of liquid medicine with patient's desirability produces deviation, if amount of liquid medicine is on the low side like this, may not have therapeutic effect, especially when giving emergency treatment to a patient, if amount of liquid medicine is not enough, its consequence is serious, if same amount of liquid medicine is on the high side, be that patient is reluctant or not receptible equally, severe patient may cause the human body overload, corresponding symptom occurs, its consequence of weight person also is unexpected.
If 2 under the prerequisite of the tube for transfusion that uses same inner diameter, second produces the main cause that the amount of liquid medicine of amount of infusion and patient's desirability is not inconsistent in the unit interval is the aged problem of inserted sheet of dialling that is used to push tube for transfusion in the problem of infusion pump, the especially infusion pump.
Summary of the invention:
The present invention does not dial the solution of inserted sheet being described in detail this infusion pump, how to solve under the prerequisite of the tube for transfusion that uses the different inner diameters size but inquire into emphatically, can also control to amount of infusion substantially near the infusion pump of the amount of liquid medicine of patient's desirability.
For reaching above-mentioned idea and technique effect, the invention provides a kind of infusion pump, this infusion pump comprises infusion pump main body and medicinal liquid flow control device, wherein this control device comprises gear gauge tap, shift-position control apparatus and buncher device, described gear gauge tap is arranged on the control panel of this infusion pump main body, and be connected with shift-position control apparatus, this shift-position control apparatus is controlled the rotating speed of described buncher.Described gear gauge tap is more than 3 according to the precision setting of control amount of infusion, in actual use, because the precision of control amount of infusion can have certain area requirement, so the number of gear gauge tap setting is 3-7 the requirement that just can finish precision, and shift-position control apparatus is trigger switch, can the selection key switch.
Described shift-position control apparatus, while also is provided with the demonstration engaging means, requirement according to default medicinal liquid flow value in the unit interval, different switching circuits are provided with and motor parallel or the placed in-line resistance that is used to regulate the different resistances of the voltage that is carried on the motor or electric current, and the above-mentioned infusion pump main body of addressing is existing infusion pump simultaneously.
Owing to adopted technical scheme provided by the invention, tube for transfusion with the production of existing different production firms, according to production firm the technical parameter of the tube for transfusion of its production is divided into groups, like this under the control principle of existing infusion pump, correspondence is provided with step switch, by this step switch and control device, control the running speed of infusion pump, finish and improve the control accuracy of infusion pump.
Description of drawings:
But Fig. 1 is the structural representation of the specific embodiment of the infusion pump of accurately controlling medicinal liquid flow provided by the invention;
But Fig. 2 is the circuit diagram of control device of the specific embodiment of the infusion pump of accurately controlling medicinal liquid flow provided by the invention;
The specific embodiment:
As shown in Figure 1: a kind of existing infusion pump of dialling the inserted sheet structure that has, its motion mode is wriggled up and down for dialling inserted sheet, the control medicinal liquid flow, this infusion pump main body 1 has been installed additional medicinal liquid flow control device 2, described control device 2 comprises gear gauge tap 21, shift-position control apparatus 22, according to requirement easy to use, the button gauge tap 21 of 6 gears is provided, and be arranged on the control panel 11 of this infusion pump main body 1, and be connected the rotating speed of the described buncher 23 of these shift-position control apparatus 22 controls with shift-position control apparatus 22.The applicant provides the electrical schematic diagram of this gear trigger switch 22, and the while also is provided with demonstration engaging means 24, as shown in Figure 2.According to the requirement of default medicinal liquid flow value in the unit interval, different switching circuits are provided with motor 23 is in parallel or placed in-line and are used to regulate the voltage that is carried on the motor 23 or or the resistance of the different resistances of electric current.
So purport of the present invention is to the improvement of the existing inaccurate technical disadvantages of infusion pump control accuracy in the present embodiment, the number of quantity about the control gear, can be provided with according to the precision of transfusion control, the big volume data that adopts among the present invention is a lower deviation below 1% on the tube for transfusion inner diameter size, use first gear, deviation is below 2%, use second gear, deviation is used third gear below 3%, and deviation is below 4%, use the fourth speed position, deviation is used the 5th gear below 5%, according to the requirement of precision, can establish several gears more or establish several gears less, regulate the resistance value in the control circuit simultaneously,, finish the control of precision to satisfy the running speed of motor.
Simultaneously, in the embodiments of the present invention, the infusion pump of mentioned just existing a kind of form, but the principle of infusion pump generally all is to adopt the driven by motor transmitting device, this transmitting device carries out flow-control to tube for transfusion, its speed of service is the leading indicator of control amount of infusion, so we also are not difficult to draw, technology provided by the present invention not only can be applied in the specific embodiment provided by the invention, also can install improvement additional to other forms of infusion pump, so those skilled in the art, referring to technology contents of the present invention, can expect other advantage and variation of the present invention at an easy rate, under the prerequisite that does not deviate from general plotting of the present invention, multiple variation and application can also be arranged.
Claims (6)
1. infusion pump of controlling unit interval inner liquid medicine flow, comprise infusion pump main body (1) and medicinal liquid flow control device (2), it is characterized in that: described control device (2) comprises gear gauge tap (21), shift-position control apparatus (22) and buncher (23) device, described gear gauge tap (21) is arranged on the control panel (11) of this infusion pump main body (1), and be connected with shift-position control apparatus (22), this shift-position control apparatus (22) is controlled the rotating speed of described buncher (23).
2. the infusion pump of control unit interval inner liquid medicine flow as claimed in claim 1 is characterized in that: described gear gauge tap (21) is more than 3 according to the precision setting of control amount of infusion.
3. the infusion pump of control unit interval inner liquid medicine flow as claimed in claim 2 is characterized in that: described gear gauge tap (21) is 3-7.
4. the infusion pump of control unit interval inner liquid medicine flow as claimed in claim 1 or 2, it is characterized in that: described shift-position control apparatus (22) is a trigger switch, and is provided with demonstration engaging means (24).
5. the infusion pump of control unit interval inner liquid medicine flow as claimed in claim 1 or 2 is characterized in that: according to the requirement of default medicinal liquid flow value in the unit interval, different switching circuits are provided with bleeder mechanism in the described shift-position control apparatus (22).
6. the infusion pump of control unit interval inner liquid medicine flow as claimed in claim 4, it is characterized in that: described demonstration engaging means (24) are light emitting diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100746653A CN100361714C (en) | 2004-09-13 | 2004-09-13 | Infusion pump capable of accurately controlling medicinal liquid flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100746653A CN100361714C (en) | 2004-09-13 | 2004-09-13 | Infusion pump capable of accurately controlling medicinal liquid flow |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1586647A CN1586647A (en) | 2005-03-02 |
| CN100361714C true CN100361714C (en) | 2008-01-16 |
Family
ID=34604859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100746653A Expired - Lifetime CN100361714C (en) | 2004-09-13 | 2004-09-13 | Infusion pump capable of accurately controlling medicinal liquid flow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100361714C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103007388A (en) * | 2012-12-13 | 2013-04-03 | 哈尔滨工程大学 | Portable intravenous infusion controller |
| EP2954483B1 (en) * | 2013-02-05 | 2021-12-29 | Invenix, Inc. | Medical device management using associations |
| CN103127584B (en) * | 2013-03-21 | 2014-08-06 | 北京伏尔特技术有限公司 | Flow rate setting and micro-adjustment device |
| CN105662158B (en) * | 2016-01-13 | 2018-11-13 | 北京婴萌科技有限公司 | Liquid discharge device and its calibrating installation |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1990007353A1 (en) * | 1989-01-03 | 1990-07-12 | Medical Inventors Corp. | Programmable flexible-tube flow regulator and methods |
| US5221268A (en) * | 1991-12-06 | 1993-06-22 | Block Medical, Inc. | Multiple dose control apparatus |
| CN2445749Y (en) * | 2000-08-17 | 2001-09-05 | 吴兴 | Medical electric pump transfusion system |
| WO2001078808A1 (en) * | 2000-04-19 | 2001-10-25 | Gambro Lundia Ab | Method and device for monitoring the flow speed of an infusion solution |
| CN2628069Y (en) * | 2003-07-18 | 2004-07-28 | 赵家福 | Infusing pump drip controller |
| CN2730390Y (en) * | 2004-09-13 | 2005-10-05 | 毛爱民 | Liquid transfusion pump with accuracy-control of medicine liquid flow-rate |
-
2004
- 2004-09-13 CN CNB2004100746653A patent/CN100361714C/en not_active Expired - Lifetime
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1990007353A1 (en) * | 1989-01-03 | 1990-07-12 | Medical Inventors Corp. | Programmable flexible-tube flow regulator and methods |
| US5221268A (en) * | 1991-12-06 | 1993-06-22 | Block Medical, Inc. | Multiple dose control apparatus |
| WO2001078808A1 (en) * | 2000-04-19 | 2001-10-25 | Gambro Lundia Ab | Method and device for monitoring the flow speed of an infusion solution |
| CN2445749Y (en) * | 2000-08-17 | 2001-09-05 | 吴兴 | Medical electric pump transfusion system |
| CN2628069Y (en) * | 2003-07-18 | 2004-07-28 | 赵家福 | Infusing pump drip controller |
| CN2730390Y (en) * | 2004-09-13 | 2005-10-05 | 毛爱民 | Liquid transfusion pump with accuracy-control of medicine liquid flow-rate |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1586647A (en) | 2005-03-02 |
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| C14 | Grant of patent or utility model | ||
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Owner name: BEIJING KELLYMED CO., LTD. Free format text: FORMER OWNER: MAO AIMIN Effective date: 20120510 |
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| C41 | Transfer of patent application or patent right or utility model | ||
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Free format text: CORRECT: ADDRESS; FROM: 100025 CHAOYANG, BEIJING TO: 100084 HAIDIAN, BEIJING |
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| TR01 | Transfer of patent right |
Effective date of registration: 20120510 Address after: 100084 Beijing City, Haidian District Institute of Road No. 2 Building No. 4 room 115 Patentee after: BEIJING KELLYMED Co.,Ltd. Address before: 100025, 22A, 3, 2 City Plaza, ten Fort Hood, Beijing, Chaoyang District Patentee before: Mao Aimin |
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| CX01 | Expiry of patent term |
Granted publication date: 20080116 |
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| CX01 | Expiry of patent term |