CN104274881A - Automatic travel control alarm switch and automatic alarm system - Google Patents
Automatic travel control alarm switch and automatic alarm system Download PDFInfo
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- CN104274881A CN104274881A CN201410443127.0A CN201410443127A CN104274881A CN 104274881 A CN104274881 A CN 104274881A CN 201410443127 A CN201410443127 A CN 201410443127A CN 104274881 A CN104274881 A CN 104274881A
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- Prior art keywords
- installing component
- switch
- alarm
- utricule
- trigger unit
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16831—Monitoring, detecting, signalling or eliminating infusion flow anomalies
Abstract
The invention provides an automatic travel control alarm switch and an automatic alarm system. The automatic travel control alarm switch comprises a main switch body, a first mounting part, a second mounting part, an elastic part, a trigger part and a proximity switch; the first mounting part and the second mounting part are located on the main switch body and used for mounting the elastic part; the elastic part is connected between the first mounting part and the second mounting part; the trigger part and the proximity switch corresponding to the trigger part are arranged by one side of the first mounting part and the second mounting part. The automatic travel control alarm switch utilizes the elastic deformation of the elastic part to change the positions of the first mounting part and the second mounting part, and the trigger part triggers the proximity switch according to the change of the positions, so that the alarm is automatically given. The automatic alarm system comprises a bladder of the automatic travel control alarm switch and an alarm terminal, and the automatic travel control alarm switch increases the accuracy and reliability of alarm. Medicine contamination does not exist, operation is convenient, safety is high, and cost is low.
Description
Technical field
The present invention relates to technical field of medical instruments, particularly, relating to the automatic alarm system for infusing that a kind of self-act travel controls alarm switch and is made up of this self-act travel control alarm switch.
Background technology
Medical gravity type intravenous transfusion device, is mainly used in infusion.Venous transfusion is the therapeutic modality that the scope of application is very wide.The transfusion device that Hospitals at Present is conventional be by infusion bottle by tube for transfusion through dropper and flow regulator connecting needle.In transfusion ward, conveniently patient infusion terminates rear syringe needle of pulling out in time and prevents the blood backflow after infuse, and hospital generally can arrange alarm button near sick bed, and realize reporting to the police by artificial manual button press, prompting nurse changes liquid in time or pulls out pin.But, this manual mode needs people's operation, especially when infusion bottle Chinese medicine is few, the observation that the people of patient or monitoring is very careful, not so best pulling out pin or change the liquid time is easily missed, so a lot of people just directly pulls out pin when medicinal liquid also has residue or changes liquid, cause liquid waste; Due to inadvertent not button press warning in time, transfusion accident may be there is, cause doctor-patient dispute in the patient also had or guardian.Find after deliberation, the pulling out pin or change liquid generally can cause a kind of anxiety mental status to patient or guardian of venous transfusion.
In order to prevent above-mentioned accident, the applicant has applied for the hang needle dropper of automatic alarm " can ", and application number is: 201210053725.8, publication number is the patent of invention of 102580191A.This application can reach the object of automatic alarm substantially.But still Shortcomings part: the buoyancy aid put into after repeatedly processing is set in dropper, likely bring slight pollution into, buoyancy aid is provided with magnetic block, medicinal liquid is directly by effect of magnetic influence, to the new medicinal liquid come out, difficult expectation has any consequence, and this dropper complex structure.The applicant improves further on the basis of this patented technology, proposing application number is 201310041479.9, publication number is the patent of invention of 103055380A, the patent provides a kind of garter liquid capsule that automatically can start warning, this patent has set up a utricule between infusion bottle and flow regulator, magnetic block is arranged on outside utricule, the side of utricule is provided with magnetic block, opposite side is provided with corresponding with magnetic block and for controlling proximity switch, this patent solves the problem of drug contamination, but adopt bar one end to be against on utricule in this patent, when in utricule, pressure change deforms, irregular movement can be there is in rod end, thus magnetic block and proximity switch easily misplace, the problem of reliability can be there is during use, thus warning accuracy rate may be caused to reduce.
Summary of the invention
For defect of the prior art, the object of this invention is to provide a kind of self-act travel and control alarm switch and automatic alarm system, this switch improves the accuracy and reliability of reporting to the police, and this system does not exist drug contamination, easy to operate.
According to an aspect of the present invention, provide a kind of self-act travel to control alarm switch, described switch comprises:
One switch main body;
Be positioned on described switch main body, for installing first, second installing component of elastomeric element;
Be connected to the elastomeric element between first, second installing component described; And
Be arranged on the trigger unit of first, second installing component side described and proximity switch corresponding to trigger unit;
Described self-act travel controls alarm switch changes first, second installing component described position by the dilatation of described elastomeric element, and described trigger unit triggers described proximity switch according to the situation of change of this position, realizes automatic alarm.
Preferably, it is peripheral that described first installing component is positioned at described switch main body, described second installing component is positioned at the periphery of described first installing component, and one end of described elastomeric element is fixed on described first installing component, and the other end of described elastomeric element is fixed on described second installing component.
Preferably, described switch main body is provided with further the control assembly for controlling the first installing component movement, described control assembly is fixedly connected with described first installing component; During original state, elastomeric element is in relaxed state, the spacing of the first installing component and the second installing component is maximum, when promoting described control assembly, first installing component can move to the second installing component direction, thus driving the described elastomeric element compression between the first installing component and the second installing component, the spacing of the first installing component and the second installing component reduces and there is a compression stress of described elastomeric element between the two; When again promoting described control assembly, the first installing component resets, and elastomeric element is in relaxed state again.
Preferably, described trigger unit and described proximity switch are positioned at the same side of described switch main body, and described trigger unit is fixed on described second installing component, described second installing component position changes, and drives the distance of described trigger unit and described proximity switch to change, when this distance reaches set point, described trigger unit triggers described proximity switch automatic alarm.
More preferably, described trigger unit is provided with position adjustment part, and described position adjustment part for regulating the initial position of described trigger unit, thus regulates the initial distance between described trigger unit and described proximity switch.
According to another aspect of the present invention, provide a kind of automatic alarm system, this system comprises:
Utricule, this utricule upper end connects infusion bottle through tube for transfusion, and lower end is connected to syringe needle through flow regulator, and communicates with tube for transfusion, flow regulator;
Self-act travel controls alarm switch, the second installing component in this switch is against on described utricule, and when this switch working state, described second installing component has a pressure to described utricule because of described elastomeric element, when the medicinal liquid of utricule described in infusion process can reduce, utricule internal pressure can progressively be diminished, described elastomeric element can promote described second installing component and move to described utricule direction, cause the change in location of described second installing component and described trigger unit, when distance between trigger unit and proximity switch reaches set point, trigger unit will trigger proximity switch automatic alarm,
Alarm terminal, described alarm terminal receives the alarm signal of proximity switch, carries out alarm.
Compared with prior art, the present invention has following beneficial effect:
It is simple that self-act travel of the present invention controls alarm switch structure, infuse will complete time by the cooperation of trigger unit and proximity switch, can automatic alarm, and reliability and accuracy improve greatly; When warning sends, how many medicinal liquids in tube for transfusion or utricule according to actual needs, can be arranged by the distance between adjustment trigger unit and proximity switch, to ensure that nurse comes to process the delay time be necessary, improves the safety of use; Described switching manipulation is convenient, only need promote duty, the reset that control assembly arranges elastomeric element and installing component, can complete switch.The preferred rectangular configuration of utricule, adopt the material identical with tube for transfusion, easily manufactured, cost is low, is applicable to crowd wide.
Accompanying drawing explanation
By reading the detailed description done non-limiting example with reference to the following drawings, other features, objects and advantages of the present invention will become more obvious:
Fig. 1 is automatic alarm system one preferred embodiment structural representation of the present invention;
Fig. 2 is utricule in system described in Fig. 1 and shell fixing structure schematic diagram;
Fig. 3 is that self-act travel of the present invention controls alarm switch one preferred embodiment structural representation;
Fig. 4 is that self-act travel of the present invention controls another preferred embodiment structural representation of alarm switch;
Fig. 5 is that self-act travel of the present invention controls another preferred embodiment structural representation of alarm switch;
In figure: self-act travel controls alarm switch 100, switch main body 11, the first installing component 12, second installing component 13, elastomeric element 14, trigger unit 15, proximity switch (containing warning circuit) 16, control assembly 17, position adjustment part 18, guiding parts 19, utricule 20, alarm terminal 21, housing 22, infusion bottle 30, flow regulator 31, utricule fixed leg 32, tube for transfusion 33, dropper 34, fixing hole 35.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in detail.Following examples will contribute to those skilled in the art and understand the present invention further, but not limit the present invention in any form.It should be pointed out that to those skilled in the art, without departing from the inventive concept of the premise, some distortion and improvement can also be made.These all belong to protection scope of the present invention.
As shown in Figure 1, a kind of automatic alarm system be made up of above-mentioned self-act travel control alarm switch, this system comprises:
Utricule 20, this utricule 20 upper end connects infusion bottle 30 through tube for transfusion 33, and lower end is connected to syringe needle through flow regulator 31, and communicates with tube for transfusion 33, flow regulator 31;
Self-act travel controls alarm switch, the second installing component 13 in this switch is against on described utricule 20, and when this switch working state, described second installing component 13 has a pressure to described utricule 20 because of described elastomeric element 14, when the medicinal liquid of utricule 20 described in infusion process can reduce, utricule 20 internal pressure can progressively be diminished, described elastomeric element 14 can promote described second installing component 13 and move to described utricule 20 direction, cause the change in location of described second installing component 13 and described trigger unit 15, when distance between trigger unit 15 and proximity switch 16 reaches set point, trigger unit 15 will trigger proximity switch 16 automatic alarm,
Alarm terminal 21, described alarm terminal 21 receives the alarm signal of proximity switch 16, carries out alarm.
Described system comprises housing 22 further, and this housing 22 is for holding and fixing described utricule 20 and self-act travel control alarm switch.Described housing 22 is provided with utricule fixed leg 32, fixing, to make relation between the pressure of the compression of elastomeric element 14 and described utricule 20 more accurate for described utricule 20.Described proximity switch 16 can be arranged on described housing 22, and relative with described trigger unit 15.
As shown in Figure 2, in a preferred embodiment, described utricule 20 is a rectangle, and this rectangle upper end is provided with fixing hole 35, and this fixing hole coordinates with the utricule fixed leg 32 on described housing 22, realizes the fixing of utricule 20.Described utricule 20 material adopts the medical material identical with tube for transfusion 32, with low cost, and in the present embodiment, utricule 20 shape is easily manufactured, can not increase the cost of technique.Certainly in other embodiments, utricule 20 also can adopt other shapes or other materials, as long as meet the requirement of infusion treatment.
Described alarm terminal 21 can be audio alert terminal 21, also can be sound and light alarm terminal 21, or the alarm terminal 21 of the mode such as other vibrations.This alarm terminal 21 receives the alarm signal of proximity switch 16 by wired or wireless mode.The circuit of alarm terminal 21 and trigger unit 15 and related peripheral thereof all can adopt the alarm technology of existing hospital.
As shown in Figure 3, for a kind of self-act travel of the present invention controls the preferred embodiment structural representation of alarm switch, comprising: a switch main body 11; Be positioned on described switch main body 11, for installing the first installing component 12, second installing component 13 of elastomeric element; Be connected to the elastomeric element 14 between first, second installing component 13 described; And be arranged on the trigger unit 15 of first, second installing component 13 side described and the proximity switch 16 of this trigger unit 15 correspondence;
Described self-act travel controls alarm switch changes first, second installing component 13 described position by the dilatation of described elastomeric element 14, and described trigger unit 15 triggers described proximity switch 16 according to the situation of change of this position, realizes automatic alarm.
In one embodiment of the invention, it is peripheral that described first installing component 12 is positioned at described switch main body 11, described second installing component 13 is positioned at the periphery of described first installing component 12, one end of described elastomeric element 14 is fixed on described first installing component 12, and the other end of described elastomeric element 14 is fixed on described second installing component 13.Preferably, described first installing component 12, second installing component 13 be arranged in parallel, and is parallel to one end of switch main body 11 simultaneously.First, second described installing component can adopt various shape, than " п " shape as shown in the drawing, also can be other planes or nonplanar structure.The shape of two installing components can be identical, also can be different.Figure 3 shows that elastomeric element 14 is in the structural representation of original state, working state schematic representation can reference diagram 4, 5, c+s in c and Fig. 4 in Fig. 3 has showed the feature before and after work, s is that control assembly is to the transportable distance of switch main body, b is preset space, a is the length of the switch main body at installing component place, c is the distance between switch main body one end to the first installing component, distance when d1 is original state between the first installing component to the second installing component, d2 in d1 and Fig. 5 in Fig. 4, d2 is the distance after installation utricule between the first installing component to the second installing component, d1>d2, show without utricule and the feature having utricule.
Described elastomeric element 14 can be general spiral spring (as shown in Figure 1), spring shell fragment etc., and also can be that other have elastic structure, this can expect to those skilled in the art.
Described switch main body 11 is provided with further the control assembly 17 for controlling the first installing component 12 movement, described control assembly 17 is fixedly connected with described first installing component 12, during original state, elastomeric element 14 is in relaxed state, the spacing of the first installing component 12 and the second installing component 13 is maximum, when promoting described control assembly 17, first installing component 12 can move to the second installing component 13 direction, thus drive the described elastomeric element 14 between the first installing component 12 and the second installing component 13 to compress, the spacing of the first installing component 12 and the second installing component 13 reduces and there is a compression stress of described elastomeric element between the two, second installing component 13 is pushed into, both distances last are still maximum, when again promoting described control assembly 17, first installing component 12 and the second installing component 13 reset, elastomeric element 14 is in relaxed state again.Described control assembly 17 is provided with limiting component, for limiting the displacement of the first installing component 12.
Described control assembly 17 can adopt a button-pressing way, and this button-shape is not limit, and button is fixedly connected with above-mentioned first installing component 12, thus can realize the control to the first installing component 12 position.Certainly, in other embodiments, also other control structures can be adopted.
The reversing mechanism resetted for described installing component and the flexible member of swinging to can be provided with further in described switch main body 11, when such first installing component 12 and the second installing component 13 need to reset, promote described control assembly 17 to be resetted by reversing mechanism and flexible member effect, thus drive the first installing component 12 and the second installing component 13 to reset.Described reversing mechanism and flexible member arrange the routine techniques all belonging to existing switch, are not repeating.
As an optimal way, described trigger unit 15 and described proximity switch 16 are positioned at the same side of described switch main body 11, and described trigger unit 15 is fixed on described second installing component 13, described second installing component 13 position changes, and drives described trigger unit 15 to change with the distance of described proximity switch 16, when this distance reaches set point, described trigger unit 15 triggers described proximity switch 16 automatic alarm.
As shown in Figure 4, in another preferred embodiment, described trigger unit 15 can be provided with position adjustment part 18, described position adjustment part 18 is for regulating the initial position of described trigger unit 15, thus regulate the initial distance between described trigger unit 15 and described proximity switch 16, make whole switch alarm more accurate and reliable, adaptability is wider.Described position adjustment part 18 can adopt screw or screw rod, trigger unit 15 is arranged on their end, then realizes position adjustments by screw thread, certainly, also can adopt other regulative mode in other embodiments.
As shown in Figure 5, structural representation when this figure is depicted as spring-compressed state (i.e. duty).At another preferred embodiment, described switch main body 11 both sides are provided with guiding parts 19, and when described control assembly 17 promotes described first installing component 12, described first installing component 12 moves along this guiding parts 19, ensures the accuracy of position movement.This guiding parts 19 can adopt hollow structure, and the two ends of described first installing component 12 are through this hollow space, and control at control assembly 17, the first installing component 12 can move along this hollow, realize guiding.Above-mentioned guiding parts 19 also can adopt the structures such as gathering sill, through hole, lead to realize, and the principle of this realization is identical, repeats no more.
When above-mentioned automatic alarm system uses, concrete principle and process as follows:
(1) in this system, tube for transfusion 33, utricule 20, syringe needle are the entirety communicated, and are connected by infusion bottle 30 with tube for transfusion 33, discharge wherein air, make to leave medicinal liquid in dropper 34 by extruding utricule 20; This medicinal liquid is not full of dropper 34, specifically how much can as required or keep for the number in follow-up nurse's processing time and determine; The position of utricule 20 can on flow regulator 31,34, dropper be positioned at utricule 20 above as shown in fig. 1;
(2) utricule 20 is fixed on the utricule fixed leg 32 of housing 22, and the second installing component 13 self-act travel being controlled alarm switch is against on utricule 20, because have medicinal liquid to exist in utricule 20, and there is certain difference in height between infusion bottle 30 and utricule 20, liquid in this sample liquid capsule, makes utricule 20 heave; Now, self-act travel controls alarm switch and is in original state, and elastomeric element 14 is also in relaxed state; Complete installation steady job;
(3) control assembly 17 is pressed, the first installing component 12 that self-act travel controls alarm switch moves to the second installing component 13 direction, compression is started to the elastomeric element 14 between the second installing component 13 at the first installing component 12, second installing component 13 produces a pressure by the compression stress of elastomeric element 14 to utricule 20, and the pressure in the compression stress of elastomeric element 14 and utricule 20 reaches balance;
(4) transfusion starts, along with the minimizing of liquid in infusion bottle 30, pressure in utricule 20 also diminishes gradually, the compression stress of elastomeric element 14 will keep balancing with the pressure of utricule 20, just will inevitably promote the second installing component 13 and move compression utricule 20 further to utricule 20 direction, thus drive the trigger unit 15 being positioned at the second installing component 13 side to move together;
(5) when trigger unit 15 reaches set point with the distance of proximity switch 16, trigger alarm, alarm terminal 21 receives the report for police service signal, reports to the police in the mode such as voice, acousto-optic; Now also there is certain medicinal liquid in dropper 34, utricule 20, to ensure time delay, waits for that nurse arrives;
(6) after nurse receives the report for police service, come to process, change liquid in this way, then carry out changing liquid process; As end of infusing, then carry out pulling out pin, after pulling out pin, click control assembly 17, elastomeric element 14 is resetted, is then shifted out from housing 22 by utricule 20, utricule 20 abandons together with tube for transfusion 33 grade, and self-act travel controls alarm switch and housing 22 can be reused.
It is simple that self-act travel of the present invention controls alarm switch structure, and reliability and accuracy improve greatly, improve the safety of use; Described switching manipulation is convenient, and easily manufactured, cost is low.And warning system of the present invention can directly simply be transformed, while realizing auto-alarm function on existing hospital warning system (manual pushbutton etc.) basis, retain original artificial warning function, humanized, reduce costs further, be beneficial to popularization.
Above the preferred embodiments of the present invention are described.It is to be appreciated that the present invention is not limited to above-mentioned particular implementation, those skilled in the art can make various distortion or amendment within the scope of the claims, and this does not affect flesh and blood of the present invention.
Claims (12)
1. self-act travel controls an alarm switch, it is characterized in that described switch comprises:
One switch main body;
Be positioned on described switch main body, for installing first, second installing component of elastomeric element;
Be connected to the elastomeric element between first, second installing component described; And
Be arranged on the proximity switch that the trigger unit of first, second installing component side described is corresponding with this trigger unit;
Described self-act travel controls alarm switch changes first, second installing component described position by the dilatation of described elastomeric element, and described trigger unit triggers described proximity switch according to the situation of change of this position, realizes automatic alarm.
2. self-act travel according to claim 1 controls alarm switch, it is characterized in that, it is peripheral that described first installing component is positioned at described switch main body, described second installing component is positioned at the periphery of described first installing component, one end of described elastomeric element is fixed on described first installing component, and the other end of described elastomeric element is fixed on described second installing component.
3. self-act travel according to claim 2 controls alarm switch, and it is characterized in that, described first installing component, the second installing component be arranged in parallel, and are parallel to one end of switch main body simultaneously.
4. self-act travel according to claim 1 controls alarm switch, and it is characterized in that, described switch main body is provided with further the control assembly for controlling the first installing component movement, described control assembly is fixedly connected with described first installing component; During original state, elastomeric element is in relaxed state, the spacing of the first installing component and the second installing component is maximum, when promoting described control assembly, first installing component can move to the second installing component direction, thus driving the described elastomeric element compression between the first installing component and the second installing component, the spacing of the first installing component and the second installing component reduces and there is a compression stress of described elastomeric element between the two; When again promoting described control assembly, the first installing component resets, and elastomeric element is in relaxed state again.
5. self-act travel according to claim 4 controls alarm switch, and it is characterized in that, described control assembly is provided with limiting component, for limiting the displacement of the first installing component.
6. self-act travel according to claim 1 controls alarm switch, it is characterized in that, described trigger unit and described proximity switch are positioned at the same side of described switch main body, and described trigger unit is fixed on described second installing component, described second installing component position changes, and drives the distance of described trigger unit and described proximity switch to change, when this distance reaches set point, described trigger unit triggers described proximity switch automatic alarm.
7. the self-act travel according to any one of claim 1-6 controls alarm switch, it is characterized in that, described trigger unit is provided with position adjustment part, described position adjustment part for regulating the initial position of described trigger unit, thus regulates the initial distance between described trigger unit and described proximity switch.
8. the self-act travel according to any one of claim 1-6 controls alarm switch, it is characterized in that, described switch main body both sides are provided with guiding parts, and when described control assembly promotes described first installing component, described first installing component moves along this guiding parts.
9. comprise an automatic alarm system for switch described in any one of the claims 1-8, it is characterized in that this system comprises:
Utricule, this utricule upper end connects infusion bottle through tube for transfusion, and lower end is connected to syringe needle through flow regulator, and communicates with tube for transfusion, flow regulator;
Self-act travel controls alarm switch, the second installing component in this switch is against on described utricule, and when this switch working state, described second installing component has a pressure to described utricule because of described elastomeric element, when the medicinal liquid of utricule described in infusion process can reduce, utricule internal pressure can progressively be diminished, described elastomeric element can promote described second installing component and move to described utricule direction, cause the change in location of described second installing component and described trigger unit, when distance between trigger unit and proximity switch reaches set point, trigger unit will trigger proximity switch automatic alarm,
Alarm terminal, described alarm terminal receives the alarm signal of proximity switch, carries out alarm.
10. automatic alarm system according to claim 10, is characterized in that, described system comprises housing further, and this housing is used for holding and fix described utricule and self-act travel control alarm switch.
11. automatic alarm systems according to claim 11, is characterized in that, described housing is provided with fixed leg, and this fixed leg is used for the fixing of described utricule.
12. automatic alarm systems according to claim 10 or 11, it is characterized in that, described utricule is a rectangle, and this rectangle upper end is provided with fixing hole, and this fixing hole coordinates with the fixed leg on described housing, realizes the fixing of utricule.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410443127.0A CN104274881B (en) | 2014-09-02 | 2014-09-02 | Automatic travel control alarm switch and automatic alarm system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410443127.0A CN104274881B (en) | 2014-09-02 | 2014-09-02 | Automatic travel control alarm switch and automatic alarm system |
Publications (2)
| Publication Number | Publication Date |
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| CN104274881A true CN104274881A (en) | 2015-01-14 |
| CN104274881B CN104274881B (en) | 2017-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410443127.0A Expired - Fee Related CN104274881B (en) | 2014-09-02 | 2014-09-02 | Automatic travel control alarm switch and automatic alarm system |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102580191A (en) * | 2012-03-02 | 2012-07-18 | 韦世恩 | Hang needle dropper capable of alarming automatically |
| CN103263710A (en) * | 2013-06-04 | 2013-08-28 | 重庆大学 | Novel venous transfusion switching and alarming device |
| CN203436626U (en) * | 2013-08-23 | 2014-02-19 | 中节能(宿迁)生物质能发电有限公司 | Automatic transfusion alarming device |
-
2014
- 2014-09-02 CN CN201410443127.0A patent/CN104274881B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102580191A (en) * | 2012-03-02 | 2012-07-18 | 韦世恩 | Hang needle dropper capable of alarming automatically |
| CN103055380A (en) * | 2012-03-02 | 2013-04-24 | 韦世恩 | Infusion liquid sac capable of automatically alarming |
| CN103263710A (en) * | 2013-06-04 | 2013-08-28 | 重庆大学 | Novel venous transfusion switching and alarming device |
| CN203436626U (en) * | 2013-08-23 | 2014-02-19 | 中节能(宿迁)生物质能发电有限公司 | Automatic transfusion alarming device |
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| CN104274881B (en) | 2017-01-11 |
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