CN104368061A - Coronary intravenous injection optical liquid level sensor - Google Patents
Coronary intravenous injection optical liquid level sensor Download PDFInfo
- Publication number
- CN104368061A CN104368061A CN201310349057.8A CN201310349057A CN104368061A CN 104368061 A CN104368061 A CN 104368061A CN 201310349057 A CN201310349057 A CN 201310349057A CN 104368061 A CN104368061 A CN 104368061A
- Authority
- CN
- China
- Prior art keywords
- light
- truncated cone
- aperture
- liquid level
- intravenous injection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- A61M5/1684—Monitoring, detecting, signalling or eliminating infusion flow anomalies by detecting the amount of infusate remaining, e.g. signalling end of infusion
-
- 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
- A61M5/172—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 electrical or electronic
Landscapes
- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a coronary intravenous injection optical liquid level sensor which comprises a base, a light emitting element, a light sensitive element and a liquid storage bag. The base is provided with a pit in the shape of a circular truncated cone, a vertex angle of the axial section of the pit in the shape of the circular truncated cone is 90 degree, two small holes are respectively formed in two radial sides of the pit in the shape of the circular truncated cone, the axes of the two small holes are positioned on a straight line and are perpendicular to the axis of the pit in the shape of the circular truncated cone, the light emitting element and the light sensitive element are respectively arranged at the rears of the two small holes, and light rays which are emitted by the light emitting element can be received by the light sensitive element in the air via the two small holes. A notch which is perpendicular to the axes of the two small holes and is parallel to the axis of the pit in the shape of the circular truncated cone is arranged on the base. The liquid storage bag is a plastic rubber capsule in the shape of a circular truncated cone, the top of the plastic capsule is transparent, and a vertex angle of the axial section of the liquid storage bag is 90 degrees and is consistent with the vertex angle of the axial section of the pit in the shape of the circular truncated cone. The coronary intravenous injection optical liquid level sensor has the advantages of simple structure, convenience in use and operation, accuracy and effectiveness in detection and high reliability.
Description
Technical field
The present invention relates to a kind of liquid level sensor, especially a kind of Optical Liquid Level Sensors used for intravenous injection.
Background technology
When intravenous injection, if fluid drip is over and does not extract syringe needle, air will be had to enter vein, likely cause life danger.So during intravenous injection, patient or families of patients will monitor whether injection drips off the moment, make patient or families of patients psychentonia, dog-tired.
Also do not find, for intravenous liquid level sensor product, only to meet the design document of this respect at present.But the problem such as all have that complex structure, reliability are low, poor operability, use are inconvenient, so that do not form product.
Summary of the invention
The object of the invention is, in order to overcome defect in prior art, to provide the Optical Liquid Level Sensors used for intravenous injection that a kind of structure is simple, reliability is high, workable, easy to use.
The present invention solves the technical scheme that its technical problem takes: crown Optical Liquid Level Sensors used for intravenous injection, be made up of pedestal, light-emitting component, light-sensitive element and reservoir, it is characterized in that: pedestal has a truncated cone-shaped depression, its shaft section drift angle is 90 degree, an aperture is respectively had in the radial both sides of truncated cone-shaped depression, the axis of two apertures point-blank, and perpendicular to the axis that truncated cone-shaped caves in, below place light-emitting component and light-sensitive element respectively at two apertures, the light that light-emitting component sends in atmosphere by two apertures receive by light-sensitive element.Pedestal has one perpendicular to two aperture axis and be parallel to truncated cone-shaped depression axis breach.The top of reservoir is transparent truncated cone-shaped plastic capsule, and its shaft section drift angle is 90 degree, caves in consistent with truncated cone-shaped.
The present invention have structure simple, use easy to operate, detect accurate and effective, advantage that reliability is high.
Accompanying drawing explanation
Fig. 1 is structure chart of the present invention.
Fig. 2 is front view and the top view of pedestal.
Fig. 3 is that injection liquid level is higher than index path during light-sensitive element.
Fig. 4 is that injection liquid level is lower than index path during light-sensitive element.
In figure, 1, aperture;
2, light-emitting component;
3, tube for transfusion;
4, aperture;
5, pedestal;
6, light-sensitive element;
7, reservoir;
8, truncated cone-shaped depression;
9, breach.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
As depicted in figs. 1 and 2, crown Optical Liquid Level Sensors used for intravenous injection is made up of pedestal (5), light-emitting component (2), light-sensitive element (6) and reservoir (7), pedestal (5) has truncated cone-shaped depression (8), and its shaft section drift angle is 90 degree.Respectively have an aperture (1) and aperture (4) in the radial both sides of truncated cone-shaped depression (8), the axis of aperture (1) and aperture (4) point-blank, and to cave in the axis of (8) perpendicular to truncated cone-shaped.In the placement one light-emitting component (2) below of aperture (1), below place a light-sensitive element (6) at aperture (4), the light that light-emitting component (2) sends in atmosphere by aperture (1) and aperture (4) receive by light-sensitive element (6).Pedestal (5) has one perpendicular to aperture (1) and aperture (4) axis and be parallel to truncated cone-shaped depression (8) axis breach (9).The top of reservoir (7) is transparent truncated cone-shaped plastic capsule, and its shaft section drift angle is 90 degree, and cave in truncated cone-shaped (8) are consistent.
Its operation principle is: if injection is transparency liquid, when injection liquid level is higher than light-sensitive element (6), its light path as shown in Figure 3, the light that light-emitting component (2) sends is in aperture (1) and reservoir (7) contact position, be that normal reflects (because reservoir (7) is very thin with the vertical line of reservoir (7) bus, its refraction action can be ignored), the light that light-emitting component (2) sends can not receive by light-sensitive element (6), the state when output of light-sensitive element (6) is half-light; When injection liquid level is lower than light-sensitive element (6), its light path as shown in Figure 4, the light that light-emitting component (2) sends is by aperture (1) and aperture (4), receive by light-sensitive element (6), the state when output of light-sensitive element (6) is light.
If injection is nontransparent liquid, when injection liquid level is higher than light-sensitive element (6), the light that light-emitting component (2) sends is injected liquid and blocks, can not receive by light-sensitive element (6), the state when output of light-sensitive element (6) is half-light; When injection liquid level is lower than light-sensitive element (6), the light that light-emitting component (2) sends is by aperture (1) and aperture (4), receive by light-sensitive element (6), the state when output of light-sensitive element (6) is light.
Like this, the position of injection liquid level just can be detected by the output state detecting light-sensitive element (6).
During use, tube for transfusion (3) is put into the center of truncated cone-shaped depression (8) by breach (9), then pedestal (5) is moved down, make it cover on reservoir (7) upper.
Claims (6)
1. an Optical Liquid Level Sensors used for intravenous injection, be made up of pedestal (5), light-emitting component (2), light-sensitive element (6) and reservoir (7), it is characterized in that: pedestal (5) has truncated cone-shaped depression (8), an aperture (1) and aperture (4) is had respectively in the radial both sides of truncated cone-shaped depression (8), in the placement one light-emitting component (2) below of aperture (1), in the placement one light-sensitive element (6) below of aperture (4).
2. Optical Liquid Level Sensors used for intravenous injection according to claim 1, is characterized in that: the axis of described aperture (1) and aperture (4) point-blank, and perpendicular to the axis of truncated cone-shaped depression (8).
3. Optical Liquid Level Sensors used for intravenous injection according to claim 1 and claim 2, is characterized in that: the light that the light-emitting component (2) of placement sends in atmosphere by aperture (1) and aperture (4) receive by light-sensitive element (6).
4. Optical Liquid Level Sensors used for intravenous injection according to claim 1, is characterized in that: the shaft section drift angle of described truncated cone-shaped depression (8) is 90 degree.
5. Optical Liquid Level Sensors used for intravenous injection according to claim 1 and claim 4, is characterized in that: have on described pedestal (5) one perpendicular to aperture (1) and aperture (4) axis and be parallel to the breach (9) of truncated cone-shaped depression (8) axis.
6. Optical Liquid Level Sensors used for intravenous injection according to claim 1, is characterized in that: the top of described reservoir (7) is transparent truncated cone-shaped plastic capsule, and its shaft section drift angle is 90 degree, and cave in truncated cone-shaped (8) are consistent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310349057.8A CN104368061A (en) | 2013-08-13 | 2013-08-13 | Coronary intravenous injection optical liquid level sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310349057.8A CN104368061A (en) | 2013-08-13 | 2013-08-13 | Coronary intravenous injection optical liquid level sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104368061A true CN104368061A (en) | 2015-02-25 |
Family
ID=52547417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310349057.8A Pending CN104368061A (en) | 2013-08-13 | 2013-08-13 | Coronary intravenous injection optical liquid level sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104368061A (en) |
-
2013
- 2013-08-13 CN CN201310349057.8A patent/CN104368061A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EA201890273A1 (en) | CASING FOR LIQUID DELIVERY SYSTEM WITH INTEGRATED TOUCH DETECTION OF PLUNGER POSITION AND RELATED METHOD | |
| CN203785742U (en) | Water level detection device and liquid container | |
| CN102834077B (en) | Patient eye level touch control | |
| CN104368061A (en) | Coronary intravenous injection optical liquid level sensor | |
| CN201653407U (en) | Electronic leveling instrument | |
| CN206420894U (en) | A kind of test tube identifying device of detection device | |
| CN104368062A (en) | Grooved optical level sensor for intravenous injection | |
| CN109289099A (en) | A kind of crown Optical Liquid Level Sensors used for intravenous injection | |
| CN203396482U (en) | Ultraviolet intensity detector | |
| CN201759945U (en) | Luminous flux difference infusion alarm | |
| CN204086579U (en) | A kind of liquid detection sensor | |
| CN104941037A (en) | Infusion alarm apparatus based on optical total reflection principle | |
| CN202682435U (en) | Blood leakage monitor device for blood purification | |
| CN203874213U (en) | Transfusion alarming apparatus | |
| CN203561756U (en) | Liquid-deficient monitor for transparent pipeline | |
| CN209764296U (en) | Infrared thermometer | |
| CN207117592U (en) | A kind of optoelectronic switch | |
| CN109764938A (en) | A kind of reflective liquid level detection device of the luxuriant and rich with fragrance pot of ink | |
| CN203842119U (en) | Infusion monitoring device for intensive care patients | |
| CN201847989U (en) | Photoelectric automatic alarm and drop-stopping device of infusion apparatus | |
| CN204115820U (en) | Boiling range two-way infrared level tracking means | |
| CN203576487U (en) | Central venous pressure zeroing device using light beams | |
| CN204428543U (en) | Lucifugal infusion liquid detection device | |
| CN209446230U (en) | A kind of leakage testing device | |
| CN204550530U (en) | A kind of novel microorganism nucleic acid detecting cassette |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150225 |