CN2284621Y - Multichannel microinjection pump - Google Patents
Multichannel microinjection pump Download PDFInfo
- Publication number
- CN2284621Y CN2284621Y CN 97210796 CN97210796U CN2284621Y CN 2284621 Y CN2284621 Y CN 2284621Y CN 97210796 CN97210796 CN 97210796 CN 97210796 U CN97210796 U CN 97210796U CN 2284621 Y CN2284621 Y CN 2284621Y
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- CN
- China
- Prior art keywords
- syringe
- jacking block
- switch
- utility
- pressing plate
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- Expired - Lifetime
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Abstract
The utility model relates to a multichannel microinjection pump. The utility model uses a stepping motor as power source. A transmission system is composed of a driving speed reducing box, a screw rod, an open-close nut and a pressing spring. A transmission controlling system is composed of a basic pulse generator, a multiplication proportioner, a pulse distributor and an alarm device. The utility model has the advantages of little liquid quantity, precise infusion quantity, constant speed, stable performance, continuous use for a long time, different safety alarm prompting systems and convenient regulation and use. The utility model can perform multichannel infusion with more than two different flow rate, different medicine and different infusion speed. The utility model is suitable for the clinical micro infusion of chest surgery departments, general surgery departments, medical departments, tumor departments and newborn infant departments.
Description
This utility model belongs to medical apparatus and instruments, especially about the single track of constant speed gasing injection medicinal liquid or multiple tracks trace automatic control syringe pump.Be applicable to clinical trace transfusion such as thoracic surgery, department of general surgery, internal medicine, tumor, newborn department of pediatrics.
In recent years, because to the applying of metabolic research and hemodynamics bedside monitoring technology, use the vasodilation medicine clinically more and new positive inotropic medicament has been obtained good result.Because the half-life of these medicines is short, effect is fast, if infusion flow control is bad, can produce a contrary effect, simultaneously, need sometimes clinically to treat with several drugs simultaneously, therefore need the infusion flow of strict these medicines of control, require the medication accurate measurement, reach the purpose of maximum drug effect with minimum dosage.Present import or the home-made infusion pump that adopts clinically because fluid volume Da Yi causes that the infusion flow departure is big, and live an infusion pump can only a kind of medicine of infusion and be difficult to satisfy the clinical treatment needs, influence the raising of quality of medical care.
The purpose of this utility model is to overcome the deficiencies in the prior art part, provide a kind of when injecting micro-medicinal liquid clinically, promptly accurately, the constant speed transfusion, can distinguish infusion different medicinal liquids, different flow, adjustable single track or multiple tracks micro-injection pump more than two kinds simultaneously again.And be provided with multiple security alarm prompt system, it is safe and reliable to infuse.
This utility model is power source with the motor, to drive reduction box, screw mandrel, clasp nut, stage clip composition drive system, by basic pulse generator, multiplication proportioner, pulsqe distributor and four kinds of alarm device forming control systems.Clasp nut links to each other with jacking block, jacking block and guide rod, slide bar links to each other, on the cylinder seat of jacking block left side pressing plate is set, with fixing syringe, coaxial arrangement one steel ball of the shaft rear end of screw mandrel, thimble, the back pressure spring, thimble is linked to each other by a lever with blocking between alarm switch, screw mandrel is subjected to do axial displacement behind certain responsive to axial force, switched by switch, jacking block moves to destination county one spacing alarm switch is set, and from 1.0～1.5 millimeters places of terminal point one early warning switch is being set, this syringe pump is vertical distribution, settle the face of syringe and operation display panel, the plane for the oriented manipulation person stands can vertically stack by many syringe pumps; But single track or multiple tracks syringe are installed the shunting side by side and are divided the speed injection; Motor band tooth spindle nose links to each other with reduction box; Clasp nut links to each other with pin with jacking block and can swing on jacking block, and jacking block links to each other with slide bar with guide rod, and to the swing of stage clip active force rightabout, clasp nut breaks away from screw mandrel with nut, and jacking block can be done translation on guide rod, slide bar; Establish one and switch switch near pressing plate, when pressing plate was pressed the 50ml syringe, pressing plate did not touch change-over switch, basic pulse generator sends the reference pulse of 50ml syringe, when pressing plate was pressed the 20ml syringe, pressing plate moved down and touches change-over switch, and basic pulse generator sends the reference pulse of 20ml syringe.Connect the battery undervoltage alarm by internal battery, when built-in voltage was reduced to 10V, alarm sent sound, light is reported to the police.
Fig. 1 is this utility model profile sketch map
Fig. 2 is this utility model structure cutaway view
Fig. 3 is this utility model control system block diagram
This utility model is described further with the following Examples.
Referring to Fig. 1, Fig. 2, the syringe (1) that suction is had pharmaceutical liquid, be placed on the cylinder seat (5) of this utility model syringe pump, syringe pump adopts motor (23) as power source, give screw mandrel (8) through driving reduction box (22) with transmission of power, screw mandrel (8) drives the clasp nut (16) that links to each other with jacking block (7), thereby make rotatablely moving of motor (23) deliver rectilinear motion into jacking block (7), when moving, jacking block (7) promotes to be fixed on syringe plunger (3) motion in guide rod (15) left side, thereby reach the purpose of automatic control constant speed injection, the purpose that reduction box (22) is set is to avoid motor (23) in low frequency ranges work for the rotating speed that improves motor (23), the pulse of motor shaft at this moment clearly, when jacking block (7) moves to early warning switch (20), touch panel (6) touches early warning switch (20), sends early warning on the pump and is interrupted sound and light signal.When touch panel (6) touches spacing alarm switch (21), to inject the warning system that finishes and start working, motor (23) quits work, and sends and injects the continuous sound and light alarm signal that finishes.When jacking block (7) is obstructed, and back pressure spring (19) was made microdisplacement at the promotion lower compression thimble (10) of screw mandrel (8) steel ball (9) and thimble (10) when resistance surpassed (100N), this microdisplacement is through lever (11) and block alarm switch (18), cut off motor (23) power supply, and open sound light alarming circuit simultaneously and do the indication of reporting to the police.
After a shot finishes, fork (13) is mentioned stage clip (14) compression, clasp nut (16) breaks away from screw mandrel (8), and promptly available hands moves to guide rod (15) the right starting point with jacking block (7), injects preparation next time.
Referring to Fig. 3, by basic pulse generator (27) output pulse signal,, reach four phase eight beat allotter (37) through multiplication proportioner (31) and frequency divider (34), the four phase eight beat pulse of allotter (37) output drives motor (23) running after pulse amplifier (38) amplifies.Change the binary-coded decimal of three BCD enumerators (30) output by list, train pulse generator (26), thereby change the ratio value of multiplication proportioner (31), the pulse that enters multiplication proportioner (31) like this will be adjusted the rotating speed of motor (23) according to the different different trains of pulse of preset proportion output, also just reach the purpose of adjusting infusion flow.Set different binary-coded decimals and can reach 999 different speed, another Lu Jingsan position decoding monitor (29) of binary-coded decimal shows flow, can obtain interior transfusion total amount of a period of time by summer (33), also can show from three decoding monitors (29).Lamp test and enumerator reset circuit (25) work during start, three decoding monitors (29) show three " 8 ", subsequently enumerator multiple " 0 ".
When blocking alarm switch (18), spacing alarm switch (21) when being touched respectively, the power supply of switch break impulse amplifier (38), syringe pump quits work, and connects simultaneously respectively and blocks alarm (35), spacing alarm device (36), sends corresponding sound, light warning.When touch panel (6) touched early warning switch (20), intelligent warning alarm (28) was promptly done interruption sound, light early warning indication, and fed back to control system speed is reduced to 1/4 of setting value.
Establish one near the pressing plate (4) and switch switch (24), utilize the 50ml syringe diameter different with the 20ml syringe, fixedly the position of syringe is also different up and down for pressing plate (4), one alternate position spike is arranged, utilize this alternate position spike to come change-over switch to obtain different signals, this signal input pulse generator (27) promptly can be used to discern the syringe specification of clamping.Entire circuit is by rectifying and voltage-stabilizing charge power supply (41) power supply, and by internal battery (40) power supply, when internal battery (40) when voltage is reduced to 10V, battery undervoltage alarm (39) sends sound, light is reported to the police during power failure.
According to Fig. 1, Fig. 2, Fig. 3, this utility model is the device of a kind of automatic control multiple tracks micro-injection, it is to be power source with motor (23), drive reduction box (22), screw mandrel (8), clasp nut (16) is formed drive system, and nut (16) links to each other with jacking block (7), jacking block (7) and guide rod (15), slide bar (12) links to each other.Jacking block (7) left side cylinder seat (5) is gone up fixedly syringe (1), an axle rearmounted steel ball (9) of screw mandrel (8), thimble (10), back pressure spring (19), thimble (10) is equipped with lever (11) between alarm switch (18) and links to each other with blocking, jacking block (7) walks to destination county limit switch (21) is set, and the position that the plunger (3) of jacking block (7) promotion syringe (1) walks to when also remaining 1～1.5ml medicinal liquid from home is provided with an early warning switch (20).
By reference pulse allotter (27) output pulse signal, through multiplication proportioner (31), and frequency divider (34), reach the four phase eight beat pulse of four phase eight beat allotter (30) output, after pulse amplifier (38) amplifies, drive motor (23) running, by list, train pulse generator (26), can change three BCD enumerators (30), the output binary-coded decimal.
When overload, block alarm switch (18) and limit switch (21) and be touched respectively, block alarm (35) accordingly and spacing alarm device (36) is promptly started working.
When early warning switch (20) when being touched, intelligent warning alarm (28) work.
When the voltage of internal battery (40) is reduced to 10V, the work of battery undervoltage alarm.
When change-over switch (24) when not being touched, it is bright that evaluator (32) is gone up the 50ml display lamp, and when change-over switch (24) when being touched, it is bright that evaluator (32) is gone up the 20ml display lamp.
The band tooth axle of motor (23) links to each other with reduction box (22).
This utility model is to be close to a steel ball (9) with screw mandrel (8) shaft rear end, thimble (10), add back pressure spring (19) on the thimble (10), thimble (10) with block that lever (11) links to each other between the alarm switch (18), screw mandrel (8) is subjected to begin displacement after the above power of 100N, blocks alarm switch (18) and promptly switches.
The multiple tracks micro-injection pump is vertical distribution, and its face of settling syringe (1) and operation display panel (2) is the plane of standing in the face of the operator, can vertically stack by many syringe pumps, and its single track or multiple tracks syringe are installed side by side, and the speed injection is divided in the shunting.
Technical specification:
1) every grade of 0.1ml/h of injection speed V=0.1ml/h～99.9ml/h
2) syringe is 20ml, 50ml one-shot injector
3) advance 200ml/h (using the 50ml syringe) fast
160ml/h (using the 20ml syringe)
4) working power 220V exchanges; Built-in 12V battery
110V exchanges
5) 10～40 ℃ of relative humidity≤80% of ambient temperature
Characteristics of the present utility model are: fluid volume is few, and amount of infusion is accurate, constant speed, simultaneously can Carry out different flow more than two kinds, different pharmaceutical, the multiple tracks transfusion of different injection speeds, property Can be stable, but long-time continuous use, and be provided with the prompt system of multiple security alarm, stream Amount is from 0.1ml/h～99.9ml/h, and regulating fineness is 0.1 μ l. During injection as pin takes place Head blocks and other reason causes that the automatic control machine namely can be sent out when syringe jacking block thrust surpassed 100N Go out sound and light alarm, and shut down simultaneously, when the extremely last 1ml liquid of transfusion, namely send interruption Pre-alarm sound indication is reported to the police with long several light when injection finishes and is shut down. When internal battery When voltage was down to 10V, the battery undervoltage alarm sent sound, light is reported to the police. This pump is applicable to chest The clinical trace that carries out such as surgery, department of general surgery, internal medicine, tumour, neonate department is infused, and regulates Easy to use.
Claims (6)
1, a kind of multiple tracks micro-injection pump, it is characterized in that with motor (23) be power source, with driving reduction box (22), screw mandrel (8), clasp nut (16), stage clip (14) is formed drive system, by basic pulse generator (27), multiplication proportioner (31), pulsqe distributor (37) and alarm device forming control system, clasp nut (16) links to each other with jacking block (7), jacking block (7) and guide rod (15), slide bar (12) links to each other, on jacking block (7) the left side cylinder seat (5) pressing plate (4) is set, fixing syringe (1), axle back coaxial peace one steel ball (9) of screw mandrel (8), thimble (10), add back pressure spring (19) on the thimble (10), thimble (10) is linked to each other by a swing type lever (11) with blocking between alarm switch (18), and it is axial displacement that screw mandrel (8) is subjected to behind certain responsive to axial force, is switched by switch (18).Jacking block (7) end of run place is provided with spacing alarm switch (21), less than 1～1.5 millimeter place of terminal point early warning switch (20) is being set, and internal battery (40) connects battery undervoltage alarm (38).
2, multiple tracks micro-injection pump according to claim 1 is characterized in that pump is vertical distribution, settles the face of syringe (1) and operation display panel (2), the plane of standing for the oriented manipulation person, can many be vertically to stack.
3, according to claim 1 and 2 described multiple tracks micro-injection pumps, it is characterized in that the installation side by side of single track or multiple tracks syringe (1), the speed injection is divided in the shunting.
4,, it is characterized in that the band tooth spindle nose of motor (23) links to each other with reduction box (22) according to claim 1 and 2 described multiple tracks micro-injection pumps.
5, according to claim 1 and 2 described multiple tracks micro-injection pumps, it is characterized in that clasp nut (16) and jacking block (7) link to each other with pin (17) and can go up at jacking block (7) and swing, jacking block (7) links to each other with slide bar (12) with guide rod (15), clasp nut (16) is swung to stage clip (14) active force rightabout, clasp nut (16) breaks away from screw mandrel (8), and jacking block (7) can be done translation on (12) at guide rod (15), slide bar.
6, according to claim 1 and 2 described micro-injection pumps, it is characterized in that establishing a change-over switch (24) near the pressing plate (4), when pressing plate (4) is pressed the 50ml syringe, pressing plate (4) does not touch change-over switch, basic pulse generator (27) sends the reference pulse of 50ml syringe, when pressing plate (4) was pressed the 20ml syringe, pressing plate (4) moved down and touches change-over switch (24), and basic pulse generator (27) sends the reference pulse of 20ml syringe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97210796 CN2284621Y (en) | 1997-01-28 | 1997-01-28 | Multichannel microinjection pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97210796 CN2284621Y (en) | 1997-01-28 | 1997-01-28 | Multichannel microinjection pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2284621Y true CN2284621Y (en) | 1998-06-24 |
Family
ID=33929566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97210796 Expired - Lifetime CN2284621Y (en) | 1997-01-28 | 1997-01-28 | Multichannel microinjection pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2284621Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101856528A (en) * | 2010-06-02 | 2010-10-13 | 深圳市深科医疗器械技术开发有限公司 | Multichannel injection pump and injection control method thereof |
| CN104587565A (en) * | 2015-01-26 | 2015-05-06 | 谭永宏 | Screw rod driving device for injection pump |
| CN106237439A (en) * | 2016-08-31 | 2016-12-21 | 陈富强 | The electronic-controlled installation of electronic infusion pump |
| CN118698016A (en) * | 2024-06-25 | 2024-09-27 | 南通大学附属医院 | Intra-scar injection therapy device |
-
1997
- 1997-01-28 CN CN 97210796 patent/CN2284621Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101856528A (en) * | 2010-06-02 | 2010-10-13 | 深圳市深科医疗器械技术开发有限公司 | Multichannel injection pump and injection control method thereof |
| CN104587565A (en) * | 2015-01-26 | 2015-05-06 | 谭永宏 | Screw rod driving device for injection pump |
| CN104587565B (en) * | 2015-01-26 | 2018-07-17 | 谭永宏 | A kind of screw rod driving device for syringe pump |
| CN106237439A (en) * | 2016-08-31 | 2016-12-21 | 陈富强 | The electronic-controlled installation of electronic infusion pump |
| CN118698016A (en) * | 2024-06-25 | 2024-09-27 | 南通大学附属医院 | Intra-scar injection therapy device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: ZHEJIANG MEDICAL UNIVERSITY MEDICAL INSTRUMENT CO. Free format text: FORMER NAME OR ADDRESS: ZHEJIANG MEDICAL UNIVERSITY MEDICAL INSTRUMENT FACTORY |
|
| CP03 | Change of name, title or address |
Address after: 310018 No. 26, No. 3, Hangzhou economic and Technological Development Zone, Zhejiang Patentee after: Zhejiang Medical University Medical Instrument Co Ltd Address before: 310006 No. 353, Yanan Road, Hangzhou, Zhejiang Patentee before: Medical Industrument Factory of Zhejiang Medical Univ. |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term | ||
| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: Zhao Hangli Document name: Notification of Termination of Patent Right |