CN2307579Y - Automatic control alarm for transfusion - Google Patents
Automatic control alarm for transfusion Download PDFInfo
- Publication number
- CN2307579Y CN2307579Y CN 97239481 CN97239481U CN2307579Y CN 2307579 Y CN2307579 Y CN 2307579Y CN 97239481 CN97239481 CN 97239481 CN 97239481 U CN97239481 U CN 97239481U CN 2307579 Y CN2307579 Y CN 2307579Y
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- transfusion
- tube
- utility
- model
- hook
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- Expired - Fee Related
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model relates to an automatic control alarm for transfusion, which adopts a special tensioning and closing hook mechanism to shut down a transfusion tube. The tensioning and closing hook mechanism comprises a tensioning and closing hook which can extense and contract in a hole opening of an outer casing and can be fastened with the transfusion tube, a sliding block connected with the tensioning and closing hook, a return tension spring, a lever, a pulling rope, etc. A stopping and retreating ratchet is matched with and arranged between the sliding block and a lever, used for fixing or releasing the sliding block. When the transfusion is nearly over or other abnormal situations occur, the utility model can shut down the transfusion tube automatically, and can notify the abnormal situations in the transfusion to a nurse duty room by infrared rays. Because a motor is only used for disengaging in closing process, the consumption of electric energy is little. The utility model has the advantages of small volume, light weight, low cost, and convenient operation. The utility model belongs to a foolish type device because the operation is no need of any key.
Description
This utility model relates to medical infusion device, particularly a kind of transfusion automatic control alarm device.
Infusion set is to the medical treatment device a kind of commonly used of input liquid medicine in the patient body, comprises parts such as tube for transfusion and Mo Feishi pipe.It adopts intravenous drip, directly enters human body.Must in time change or close after every bottle of liquid is totally lost, and need attention at any time whether to run situations such as pin.Medical personnel have carelessness slightly, very easily lead to malpractice.Existing transfusion control device generally comprises photoelectric probe, and control circuit, motor and closing organ etc. are directly to drive closing organ work by motor, drives by screw mechanism as motor and tiltedly splits the extruding tube for transfusion with its pass extremely.Its shortcoming is that consumed power is many, the expense height.Adopt existing closing organ, tube for transfusion will be closed dead fully, occur blood easily and reflux.Domestic and international in addition existing transfusion control device volume and weight is all bigger, and price is more expensive, and complicated operation is difficult to generally promote.
The purpose of this utility model is the above-mentioned shortcoming that will overcome existing infusion set; a kind of very power saving and maneuverable transfusion automatic control alarm device are provided; can monitor at any time and drip speed; take place to run pin, dripping and in time to close tube for transfusion automatically when the unusual or transfusion of speed such as finishes at situation; and to relevant personnel's warning, thereby make transfusion work more safe and reliable.Another purpose of the present utility model is that the blood that is prone to after will avoiding tube for transfusion to close refluxes.
Solution of the present utility model is characterized in that it has:
A. the detecting head of being made up of luminous tube and photocell is used for the speed of dripping of perception medicinal liquid;
B. the control circuit of forming by microprocessor, it links to each other with motor with above-mentioned photocell respectively, is used to control the actuator action that motor drives is closed tube for transfusion;
C. draw and close the hook actuator, comprise that can stretch and fasten drawing of tube for transfusion in enclosure hole closes hook and coupled slide block, the spring of pulling back, lever and stay cord, wherein be combined with the retaining ratchet between slide block and the lever, be used for fixing or release slider;
D. motor links to each other with stay cord, is used to discharge the above-mentioned slide block that closes the hook actuator that draws.
In order to make compact conformation, the detecting head of above-mentioned transfusion controller preferably has telescopic spring mechanism, and the time spent can not taken in the housing.
Describe embodiment of the present utility model in detail below in conjunction with accompanying drawing.
Fig. 1 is an overall structure sketch map of the present utility model.
Fig. 2 is the layout of this utility model control section.
Referring to Fig. 1, the light emitting diode 1 of detecting head 16 is in the relative both sides of Mo Feishi pipe with photocell 17, when medicinal liquid therefrom drips, can monitor the speed of dripping of medicinal liquid.Convert optical signal to the signal of telecommunication by control circuit board 11 motor is rotated, thereby drive the actuator action of closing tube for transfusion.Among the figure, draw and close hook 3 and stretch out through enclosure hole 19.Close hook 3 and pulled back spring 5 when straining to the right when drawing, the bending of coupler body compressing tube for transfusion is closed it.Operator need only promote slide block 4 left, and ratchet on it 23 tangles with the retaining ratchet 22 of lever 7 bottoms, draw to close hook 3 and promptly be opened.Medicinal liquid can splash into vein through tube for transfusion 18, Mo Feishi pipe 2.Slide block 4 moves to left when putting in place, and the spring 5 of pulling back is in extended state.Power turn-on switch 15, the control alarm is promptly in running order.When motor receives the signal of cutting out tube for transfusion, drive stay cord 8 pull lever 7, the ratchet 22 on the lever is broken away from ratchet 23 on the slide block 4, slide block 4 spring 5 of being pulled back draws to the right, draws to close hook 3 and be about to tube for transfusion and close.Because of motor only is used for threading off, directly do not close tube for transfusion, so the electric energy that consumes is few.
Use originally to draw and close hook and close tube for transfusion, be characterized in not can 100% close dead.Drawn to close in the tube for transfusion that hook 3 cuts out and also can be left minim gap, can continue maintenance pressure reduction and reflux with resistant to blood.Because minim gap can make tube for transfusion keep connected state, thereby continues to keep-up pressure.This is to draw to close another remarkable advantage that hook is different from other closed form.
In order to make compact conformation not fragile, the detecting head 16 of above-mentioned transfusion controller preferably has telescopic spring mechanism, ejects spring 14 among the figure detecting head is ejected, and the time spent can not taken in the housing.Telescopic spring mechanism is an ordinary skill, does not give unnecessary details.
The control circuit that this utility model adopted can have various ways, all belongs to the routine techniques category.Fig. 2 has enumerated a kind of control circuit that adopts microprocessor.Among the figure, detecting head 16 is made up of light emitting diode 1 (being D1) and photocell 17 (being T1).DC voltage Vcc draws from battery case 9.Elicite by detecting head when liquid drips in the Mo Feishi pipe in the tube for transfusion, send microprocessor 24 records, and whether judge to drip speed normal, when drip speed exceed correct drip speed ± 50% the time, start buzzer 12 and send interrupted sound, remind the nurse, accompany people, patient to note.The model of microprocessor can be AT89C2051 etc. herein.When not measuring drop within a certain period of time, promptly thinking infuses has finished or has infused fault, and microprocessor actuating motor 10 immediately cuts out tube for transfusion.Buzzer sends loudly and pipes continuously simultaneously, and infrared transmitting tube 13 (being D2) signals in the ward, notifies the nurse night shift room by the infrared receiving device in the ward again.This controller is monitored constantly and is dripped speed, and has memory function.When pin takes place to run, when transfusion such as finishes at situation, dripping speed can sharply reduce or not drip, this instrument will close automatically transfusion (but 100% close dead) and by pipe loudly, method such as infrared emission notifies the nurse, promptly be transferred to the infrared receiving device in this ward earlier with infrared emission, notify the nurse night shift room by this infrared receiving device with bus mode again.
This transfusion automatic control alarm device is monitored constantly and is dripped speed, and makes and drip a fast lamp and follow drop and fall and glimmer.Do not need any button operation, can detect manually-selected speed automatically, and memory and judgement.Being higher than/being lower than and correctly drip fastly 50% the time when dripping speed, buzzer sends rapidly/at a slow speed the warning that intermittently pipes.And can by pipe and the infrared emission dual mode notify the relevant personnel.After powering up, this instrument can detect cell voltage automatically.When battery electric quantity is not enough, buzzer call 5 seconds and bright " replacing battery " display lamp, after this battery endure is more than eight hours.
During use, after the nurse finishes transfusion operation routinely, hang up this controller easily and get final product, this instrument i.e. work automatically, determined the speed of dripping that mixes up in 1 minute～3 minutes, and memory.
The utility model compared with prior art has following advantage:
1. can be fast when complete or transfusion when breaking down (as running pin) at soup, the autoshutdown woven hose. Make transfusion behaviour Do safer, reliable.
2. can be in time to the ward and nurse's night shift room send warning. When drip speed surpass normal when dripping speed ± 50%, newspaper Alarm device work, the prompting relevant personnel note, in order in time process.
3. volume little (hand size), (about 200g) in light weight, price are low, easy to carry.
4. easy and simple to handle, do not need any button operation, can automatically detect the speed of dripping that mixes up, and memory and judgement. Do not change nurse's traditional operation, do not need the user of service is carried out special training, belong to point-and-shoot equipment.
Power consumption little, save electric energy. Operating current is lower than 60mA at ordinary times, and during because of the execution controlling organization, motor only Be used for threading off, the electric energy of consumption is few, so No. 5 batteries of three joints can be worked about three months.
Claims (3)
1, a kind of transfusion automatic control alarm device is characterized in that it has:
A. the detecting head of being made up of luminous tube (1) and photocell (17) (16) is used for the speed of dripping of perception medicinal liquid;
B. the control circuit of forming by microprocessor (24), it links to each other with motor (10) with above-mentioned photocell (17) respectively, is used to control the actuator action that motor drives is closed tube for transfusion;
C. draw and close the hook actuator, comprise that can stretch and fasten drawing of tube for transfusion in enclosure hole closes hook (3) and coupled slide block (4), the spring of pulling back (5), lever (7) and stay cord (8), wherein be combined with retaining ratchet (22,23) between slide block (4) and the lever (7), be used for fixing or release slider;
D. motor (10) links to each other with stay cord (8), is used to discharge the above-mentioned slide block that closes the hook actuator that draws.
2, alarm as claimed in claim 1 is characterized in that detecting head (16) has telescopic spring mechanism, and the time spent can not taken in the housing.
3, alarm as claimed in claim 1 or 2 is characterized in that being drawn to close in the tube for transfusion that hook (3) cuts out leaving minim gap, can continue to keep pressure reduction to reflux with resistant to blood.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97239481 CN2307579Y (en) | 1997-05-19 | 1997-05-19 | Automatic control alarm for transfusion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97239481 CN2307579Y (en) | 1997-05-19 | 1997-05-19 | Automatic control alarm for transfusion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2307579Y true CN2307579Y (en) | 1999-02-17 |
Family
ID=33949465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97239481 Expired - Fee Related CN2307579Y (en) | 1997-05-19 | 1997-05-19 | Automatic control alarm for transfusion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2307579Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104001233A (en) * | 2014-06-17 | 2014-08-27 | 上海理工大学 | Medical dropper capable of giving alarm and automatically switching infusion bottles |
| CN104971404A (en) * | 2015-07-30 | 2015-10-14 | 桂林电子科技大学 | Medical transfusion cutoff apparatus with automatic monitoring |
-
1997
- 1997-05-19 CN CN 97239481 patent/CN2307579Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104001233A (en) * | 2014-06-17 | 2014-08-27 | 上海理工大学 | Medical dropper capable of giving alarm and automatically switching infusion bottles |
| CN104001233B (en) * | 2014-06-17 | 2016-06-22 | 上海理工大学 | A kind of report to the police and the medicine dropper of the transfusion bottle that automatically switches |
| CN104971404A (en) * | 2015-07-30 | 2015-10-14 | 桂林电子科技大学 | Medical transfusion cutoff apparatus with automatic monitoring |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |