CN202397899U - Infusion control and alarm device - Google Patents
Infusion control and alarm device Download PDFInfo
- Publication number
- CN202397899U CN202397899U CN2011204951718U CN201120495171U CN202397899U CN 202397899 U CN202397899 U CN 202397899U CN 2011204951718 U CN2011204951718 U CN 2011204951718U CN 201120495171 U CN201120495171 U CN 201120495171U CN 202397899 U CN202397899 U CN 202397899U
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- Prior art keywords
- transfusion
- circuit
- chip microcomputer
- tube
- infusion
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- 238000001802 infusion Methods 0.000 title abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 230000003321 amplification Effects 0.000 claims description 4
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 abstract 3
- 239000007788 liquid Substances 0.000 description 36
- 239000003814 drug Substances 0.000 description 23
- 230000000474 nursing effect Effects 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 239000012467 final product Substances 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model relates to the field of medical infusion, in particular to an infusion control and alarm device which comprises an infusion tube and a bearing panel, and is characterized in that an infrared photoelectric sensor and an infusion pipe blocking mechanism are arranged on the bearing panel; a dripping and leaking part of the infusion tube is clamped in the infrared photoelectric sensor; the infusion pipe blocking mechanism is arranged below the infrared photoelectric sensor; the infusion pipe blocking mechanism comprises a fixed baffle, a roller, an upper limit switch, a lower limit switch, a small-sized motor and a wedged block which is driven by the small-sized motor and can move up and down; a pipe at the lower end of the dripping and leaking part is clamped between the fixed baffle and the roller; when the wedged block moves up and down, the roller is pushed to move horizontally; and the upper and the lower limit switches are respectively arranged above and below the wedged block. The flow rate during the infusion is automatically adjusted according to the dripping speed, the structure is simple, and a certain use value is provided.
Description
Technical field
This utility model relates to medical drop apparatus field, particularly a kind of transfusion control alarm device.
Background technology
Transfusion is that a kind of treatment means commonly used is gone up in medical treatment.Be in the patient infusion process; Liquid will drip when most in the bottle; Need the nursing staff in time to take out syringe needle or change another the group infusion bottle, this just makes nursing staff or entourage need concentrate one's energy paying close attention to the transfusion situation for a long time, causes very big stress.Even so, also cannot say for sure because once in a while carelessness and behind this bottle liquid of being totally lost not by timely discovery, cause malpractice.So, use a kind of simple and convenient reliable transfusion controller will save a lot of troubles.
At present, relevant transfusion alarm controller mainly adopts two kinds of methods:
1, with patent of invention CN101766849A is the Level Detection method of representative.The testing circuit detection medicinal liquid liquid level that is fixed on the tube for transfusion through placement produces signal, reports to the police.(because infusion bottle profile difference is too big, the testing circuit of this type invention can't be fixed on infusion bottle and can only be fixed on the constant tube for transfusion of profile) yet, in practical application; When this device was reported to the police by the time, the first half had been full of air in the tube for transfusion, and the nursing staff is when changing infusion bottle each time; All get the aerofluxus of taking time again and could continue transfusion; So this kind contrive equipment time of fire alarming produces too late, is not inconsistent with practical operation, does not have using value.
2, with patent of invention CN101721764A be the spring balance heavy type of representative.Because the spring stress error is very big, precision is not enough far away, is easy to generate misoperation; Moreover; Present infusion bottle has had vial, plastic bottle, soft transfusion bottle etc.; Add the specification various commonly used of various bottles: 100ml, 250ml, 500ml etc., i.e. this invention must solve the problem of 9 kinds of different bottle weight at least, and this is that this type of device is insurmountable.
Existing in addition technology also can't satisfy the demand of hospital's infusion set to the control of infusion flow, when transfusion is totally lost, can't accomplish automatic-diversion closure.
Summary of the invention
In view of this, the purpose of this utility model provides a kind of transfusion control alarm device, can regulate the flow of transfusion automatically.
This utility model adopts following scheme to realize: a kind of transfusion control alarm device, comprise a tube for transfusion and a bearing panel, and it is characterized in that: described bearing panel is provided with:
One infrared tube, the water clock portion of said tube for transfusion is sandwiched between this infrared tube;
One tube for transfusion blocking-up mechanism; Be located at the below of said infrared tube; It comprises: a fixed dam, a roller, a upper limit position switch, a lower position switch, a micro-machine and the wedge type block that is driven and can be moved up and down by this micro-machine; The pipe of described water clock subordinate end is sandwiched between said fixed dam and the roller, and described wedge type block promotes the horizontal move left and right of described roller when moving up and down, and described upper and lower limit bit switch is located at the above and below of said wedge type block respectively;
An and control circuit; Described control circuit comprises single-chip microcomputer; The outfan of the signal output part of said infrared tube, the outfan of upper limit position switch, lower position switch all is connected with this single-chip microcomputer, and the outfan of said single-chip microcomputer is connected with said micro-machine through a motor-drive circuit.
In this utility model one embodiment, described control circuit also comprises a warning circuit, key circuit and the LOAD CELLS, signal amplification circuit and the A/D change-over circuit that electrically connect successively; Described warning circuit, key circuit and A/D change-over circuit are connected with said single-chip microcomputer; Described LOAD CELLS is serially connected with on one between hook and the lower draw-bar.
In this utility model one embodiment, described warning circuit comprises a buzzer and a LED lamp.
In this utility model one embodiment, described single-chip microcomputer also is connected with a display module.
In this utility model one embodiment, described single-chip microcomputer also is connected with a wireless transmitter module, and said wireless transmitter module is launched wireless warning signal to being located at the wireless receiving module on nurse's platform warning exchange.
This utility model is through the speed of dropping liquid in the infrared tube detection Murphy tube, and through the flow of Single-chip Controlling blocking-up mechanism adjusting minim pipette, it is simple in structure, and can recycle, and cost is low, has certain practical value.
Description of drawings
Fig. 1 is this utility model embodiment one structural representation.
Fig. 2 is the control circuit principle schematic of this utility model embodiment one.
Fig. 3 is the structural representation of this utility model embodiment two.
Fig. 4 is the control circuit principle schematic of this utility model embodiment two.
Fig. 5 is the control circuit principle schematic of this utility model embodiment three.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment this utility model is done further introduction.
As shown in Figure 1, present embodiment provides a kind of transfusion control alarm device, comprises a tube for transfusion 2 and a bearing panel 1, and it is characterized in that: described bearing panel 1 is provided with: an infrared tube 10, and the water clock portion 3 of said tube for transfusion is sandwiched between this infrared tube 10; One tube for transfusion blocking-up mechanism; Be located at the below of said infrared tube 1; It comprises: a fixed dam 9, a roller 8, a upper limit position switch 6, a lower position switch 5, a micro-machine 4 and the wedge type block 7 that is driven and can be moved up and down by this micro-machine; The pipe of described water clock portion 3 lower ends is sandwiched between said fixed dam 9 and the roller 8; Described wedge type block 7 promotes described roller 8 horizontal move left and right when moving up and down, described upper and lower limit bit switch 6,5 is located at the above and below of said wedge type block respectively; An and control circuit; Described control circuit comprises single-chip microcomputer; The outfan of the signal output part of said infrared tube, the outfan of upper limit position switch, lower position switch all is connected with this single-chip microcomputer, and the outfan of said single-chip microcomputer is connected with said micro-machine through a motor-drive circuit.
In order to let those skilled in the art better understand the present invention, below we combine Fig. 1 that the operation principle of present embodiment is further specified.Infrared tube 10 detects the interior dropping liquid 11 of water clock portion 3 (being Murphy tube) of tube for transfusion; When the speed of dropping liquid surpasses default value; Single-chip microcomputer then through the counter-rotating of motor-drive circuit control micro-machine, drives described wedge type block 7 and moves down, and promotes described roller 8 levels to the right; Thereby the extruding tube for transfusion is with the flow that reduces to infuse; This wedge type block 7 can be screw-threaded engagement drive mechanism (not shown in the figures here) with machine shaft.Described lower position switch 5 is to be used for when transfusion is expressed to minimum discharge, triggering interrupt signal, stops wedge type block and moves.On the contrary, if it is too slow to detect liquid droping speed, then the Single-chip Controlling motor just changes, and drives described wedge type block 7 and moves up, and tube for transfusion promotes the roller level and is moved to the left owing to elastic force, to increase the flow of transfusion; Said upper limit position switch 6 is to be used for when tube for transfusion is returned to relaxed state, triggers interrupt signal, stops wedge type block and moves.For the tube for transfusion that guarantees water clock subordinate end can well be sandwiched between roller and the fixed dam, please with reference to Fig. 4, in the present embodiment, also on fixed dam, set up with clip 18, offer the annular opening of support roller move left and right in the middle of this clip.In order to let the user can get information about current weight or liquid droping speed, described single-chip microcomputer also is connected with display module 12, and this display module 12 can be located on the described bearing panel 1.
Please with reference to Fig. 3 and Fig. 4, in the present embodiment, for better control transfusion; In the present embodiment, the weight of the LOAD CELLS collection point drop bottle 13 of employing is through the setting of limit weight threshold value; Report to the police timely; Remind the user to change bottle, avoid carelessness and behind this bottle liquid of being totally lost not by timely discovery, cause malpractice.Concrete, the described control circuit of present embodiment also comprises a warning circuit, key circuit and the LOAD CELLS, signal amplification circuit and the A/D change-over circuit that electrically connect successively; Described warning circuit, key circuit and A/D change-over circuit are connected with said single-chip microcomputer; Described LOAD CELLS 15 is serially connected with on one between hook 16 and the lower draw-bar 14, this pick off 15, on link up with 16 and lower draw-bar 14 can be located on the mounting box 17.During use, the weight signal V that it produces
iThrough giving single-chip microcomputer after signal amplification, the A/D conversion; Single-chip microcomputer compares through the threshold value of inner setting; If weigh less than preset threshold, and still be lower than this threshold value after delaying time 5 seconds, (purpose: get rid of because of the normally mobile misoperation that produces of infusion bottle) output alarm signal sends light warning to warning circuit; This light can be seven glories, again through the alarm signal of sounding after delaying time 1 minute.(purpose: 1 fen clock time between light warning and audible alarm is changed bottle or operating time of pulling out syringe needle normally for the nursing staff, only sends light warning and is in order not influence others and in order to save battery capacity.If) also do not obtain necessary processing through 1 minute time-delay back again, then said micro-machine 4 actions of Single-chip Controlling, blocking-up infusion pipeline.
What deserves to be mentioned is that the condition of the warning of present embodiment can be following design: establish V here
iBe current detection weight, V
0Weight, V during for empty hook
HFor preset threshold weight, work as V
i＞V
0, can not report to the police when promptly empty hook is not hung infusion bottle; V
i＜V
H, promptly when beginning to infuse,, just produce alarm signal when only liquid medicine remains less than setting value in bottle because the weight of infusion bottle and liquid medicine when heavier, does not produce alarm signal.V
0＜V
i＜V
H, this is the condition that produces alarm signal.Because the infusion bottle of each producer varies in weight; If directly detect the weight of infusion bottle, with causing bigger error, so; Since infusion bottle can not directly detect; Present embodiment subversiveness ground design detects liquid medicine weight, and no matter promptly the weight of bottle, the difference of liquid medicine weight gets final product before and after the transfusion and detect.Illustrate: such as the liquid medicine of one bottle of 250ml, this 250 gram is accurate, and what bottle dress I need not go to manage it with, and I only need detect the surplus 10ml of liquid medicine and report to the police and get final product, and just liquid medicine has reduced by 240 gram warnings and gets final product.(liquid medicine density 1KG/ liter) so, it is accomplished like this: V
JustBe initial gross weight, promptly the weight of representative transfusion empty bottle and defeated whole bottle liquid medicine with, the whole bottle of pairing weight of liquid medicine is V
1; The pairing weight of residue liquid medicine is V when requiring to report to the police
2Set V
H=V
Just-V
1+ V
2Get final product.
Alert if V
H-V
i=V
Just-V
1+ V
2-V
i
=(empty bottle weight+whole bottle liquid medicine weight)-V
1+ V
2-(empty bottle weight+real surplus liquid medicine weight)
=(empty bottle weight+whole bottle liquid medicine weight)-whole bottle liquid medicine weight (setting)+residue liquid medicine weight (setting)-(empty bottle weight+real surplus liquid medicine weight)
The residue liquid medicine weight-real surplus liquid medicine weight of=setting
Can find out that alert and if infusion bottle weight are irrelevant, have only, produce alarm signal when real surplus liquid medicine weight during less than the liquid medicine weight set.What deserves to be mentioned is; Because this utility model adopts the single-chip microcomputer setting; We can be as required through the threshold value of the different gears of software set, and it can be 5ml, 10ml, 15ml, four gears of 20ml, and its setting can be set through the key circuit that is connected with single-chip microcomputer.
In addition, in the present embodiment, system can also combine the speed of dropping liquid that alarm signal is regulated and control, such as: residue 10ml liquid medicine, drip when speed is 60 droplets/minute and can drip 2.5 minutes; If a speed is 100 droplets/minute and just can only drips 1.5 minutes.So, this device is through the timing to dropping liquid, and the adjustment of cooperation transfusion speed, and then reaches accurate warning.
Be noted that to see also Fig. 5 that Fig. 5 is the circuit theory sketch map of this utility model embodiment three.Among this figure; Single-chip microcomputer also is connected with wireless transmitting unit, and it can send to the warning exchange of being located at nurse's platform with the alert signal through wireless mode; After the warning exchange receives signal; Which berth of nurse of informing nurse's platform need change bottle, has improved nurse's work efficiency greatly, avoids unnecessary malpractice to take place.
This utility model can be fit to different infusion bottles, and reliable and secure real estate crude drug liquid is most alarm, reminds the nursing staff to handle, and in time of fire alarming as can not get necessary processing, can block infusion pipeline automatically; It can also be adjusted according to the speed of setting of dripping automatically, when dripping fast error, sends and reports to the police and the blocking-up infusion pipeline, guarantees patient safety.This device has no element contact medicinal liquid, and safety and sanitation are easy to use.
The above is merely the preferred embodiment of this utility model, and all equalizations of being done according to this utility model claim change and modify, and all should belong to the covering scope of this utility model.
Claims (5)
1. a transfusion control alarm device comprises a tube for transfusion and a bearing panel, and it is characterized in that: described bearing panel is provided with:
One infrared tube, the water clock portion of said tube for transfusion is sandwiched between this infrared tube;
One tube for transfusion blocking-up mechanism; Be located at the below of said infrared tube; It comprises: a fixed dam, a roller, a upper limit position switch, a lower position switch, a micro-machine and the wedge type block that is driven and can be moved up and down by this micro-machine; The pipe of described water clock subordinate end is sandwiched between said fixed dam and the roller, and described wedge type block promotes the horizontal move left and right of described roller when moving up and down, and described upper and lower limit bit switch is located at the above and below of said wedge type block respectively;
An and control circuit; Described control circuit comprises single-chip microcomputer; The outfan of the signal output part of said infrared tube, the outfan of upper limit position switch, lower position switch all is connected with this single-chip microcomputer, and the outfan of said single-chip microcomputer is connected with said micro-machine through a motor-drive circuit.
2. a kind of transfusion control alarm device according to claim 1, it is characterized in that: described control circuit also comprises a warning circuit, key circuit and the LOAD CELLS, signal amplification circuit and the A/D change-over circuit that electrically connect successively; Described warning circuit, key circuit and A/D change-over circuit are connected with said single-chip microcomputer; Described LOAD CELLS is serially connected with on one between hook and the lower draw-bar.
3. a kind of transfusion control alarm device according to claim 1, it is characterized in that: described warning circuit comprises a buzzer and a LED lamp.
4. a kind of transfusion control alarm device according to claim 1, it is characterized in that: described single-chip microcomputer also is connected with a display module.
5. a kind of transfusion control alarm device according to claim 1, it is characterized in that: described single-chip microcomputer also is connected with a wireless transmitter module, and said wireless transmitter module is launched wireless warning signal to being located at the wireless receiving module on nurse's platform warning exchange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204951718U CN202397899U (en) | 2011-12-02 | 2011-12-02 | Infusion control and alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204951718U CN202397899U (en) | 2011-12-02 | 2011-12-02 | Infusion control and alarm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202397899U true CN202397899U (en) | 2012-08-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204951718U Expired - Fee Related CN202397899U (en) | 2011-12-02 | 2011-12-02 | Infusion control and alarm device |
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| CN (1) | CN202397899U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103845778A (en) * | 2013-01-30 | 2014-06-11 | 莆田市诺斯顿电子发展有限公司 | Infusion-bottle monitoring device |
| CN104014023A (en) * | 2014-05-13 | 2014-09-03 | 苏州瓦屋物联网科技有限公司 | Drip infrared detection system based wireless control by host |
| CN104014020A (en) * | 2014-05-13 | 2014-09-03 | 苏州瓦屋物联网科技有限公司 | Drip injection monitoring device based on infrared detection |
| CN104027862A (en) * | 2014-06-15 | 2014-09-10 | 苏州瓦屋物联网科技有限公司 | Squeeze infusion device with function of infrared detection |
| CN104415423A (en) * | 2013-08-29 | 2015-03-18 | 赵百华 | Medical automatic alarming and tube closing infusion set |
| CN104958808A (en) * | 2015-05-27 | 2015-10-07 | 苏州合欣美电子科技有限公司 | Infusion monitoring system based on photoelectric sensor |
| CN108211050A (en) * | 2018-03-08 | 2018-06-29 | 上海医孚医疗科技有限公司 | A kind of medical transfusion managing device |
| CN108939209A (en) * | 2018-06-05 | 2018-12-07 | 浙江迈帝康医疗器械有限公司 | A kind of intelligent peristaltic pump |
| CN109224182A (en) * | 2018-11-15 | 2019-01-18 | 沈若涵 | It is a kind of can real-time monitoring alarming infusion device |
| WO2021091749A1 (en) * | 2019-11-07 | 2021-05-14 | Amgen Inc. | Drug delivery system and method of use |
| WO2024215894A1 (en) * | 2023-04-14 | 2024-10-17 | Carefusion 303, Inc. | Roller clamp control mechanism |
-
2011
- 2011-12-02 CN CN2011204951718U patent/CN202397899U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103845778A (en) * | 2013-01-30 | 2014-06-11 | 莆田市诺斯顿电子发展有限公司 | Infusion-bottle monitoring device |
| CN104415423A (en) * | 2013-08-29 | 2015-03-18 | 赵百华 | Medical automatic alarming and tube closing infusion set |
| CN104014023A (en) * | 2014-05-13 | 2014-09-03 | 苏州瓦屋物联网科技有限公司 | Drip infrared detection system based wireless control by host |
| CN104014020A (en) * | 2014-05-13 | 2014-09-03 | 苏州瓦屋物联网科技有限公司 | Drip injection monitoring device based on infrared detection |
| CN104027862A (en) * | 2014-06-15 | 2014-09-10 | 苏州瓦屋物联网科技有限公司 | Squeeze infusion device with function of infrared detection |
| CN104958808A (en) * | 2015-05-27 | 2015-10-07 | 苏州合欣美电子科技有限公司 | Infusion monitoring system based on photoelectric sensor |
| CN108211050A (en) * | 2018-03-08 | 2018-06-29 | 上海医孚医疗科技有限公司 | A kind of medical transfusion managing device |
| CN108939209A (en) * | 2018-06-05 | 2018-12-07 | 浙江迈帝康医疗器械有限公司 | A kind of intelligent peristaltic pump |
| CN108939209B (en) * | 2018-06-05 | 2021-07-09 | 浙江迈帝康医疗器械有限公司 | Intelligent infusion pump |
| CN109224182A (en) * | 2018-11-15 | 2019-01-18 | 沈若涵 | It is a kind of can real-time monitoring alarming infusion device |
| WO2021091749A1 (en) * | 2019-11-07 | 2021-05-14 | Amgen Inc. | Drug delivery system and method of use |
| WO2024215894A1 (en) * | 2023-04-14 | 2024-10-17 | Carefusion 303, Inc. | Roller clamp control mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120829 Termination date: 20131202 |