CN205181916U - Infusion check out test set - Google Patents
Infusion check out test set Download PDFInfo
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- CN205181916U CN205181916U CN201520943701.9U CN201520943701U CN205181916U CN 205181916 U CN205181916 U CN 205181916U CN 201520943701 U CN201520943701 U CN 201520943701U CN 205181916 U CN205181916 U CN 205181916U
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- receiving element
- emitting devices
- light receiving
- light emitting
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Abstract
The embodiment of the utility model discloses infusion check out test set, wherein, be formed with a through -hole that can pass the infusion burette on the equipment, equipment includes observation window, light emitting devices and light receiving element, the observation window constitutes a lateral wall of through -hole, light emitting devices and light receiving element imbeds respectively on two relative lateral walls of through -hole, be provided with first inclined to one side vibration -damping sheet on the lateral wall at light receiving element place, first inclined to one side vibration -damping sheet is located light emitting devices with between the light receiving element, be provided with the inclined to one side vibration -damping sheet of second on the inner wall of observation window, wherein, the inclined to one side vibration -damping sheet's of second polarization direction with first inclined to one side vibration -damping sheet's polarization direction is orthogonal. Implement the embodiment of the utility model provides a can improve infusion check out test set's detection accuracy.
Description
Technical field
This utility model relates to infusion test technical field, is specifically related to a kind of infusion test equipment.
Background technology
At present, the infusion test equipment on market, uses infrared emission device and infrared receiver device, is arranged on the both sides of transfusion drip tube, the energy of the light that infrared receiver device continuous reception is launched from infrared emission device.When dripless falls, the energy of the light that infrared receiver device receives is steady state energy value; When there being droplets fall, this drop is through the line of infrared emission device and infrared receiver device, and block because drop produces light, the energy of the light received causing infrared receiver device declines.Whether the energy of the light that medical personnel can be received by this infrared receiver device declines is determined currently whether have drop to fall.
But find in practice, because medical personnel need the state of observing dropper, therefore infusion test equipment is usually provided with unilateral observation window and observes for medical personnel, but, because of this observation window printing opacity, surround lighting will enter in transfusion drip tube through observation window, and be irradiated to infrared receiver device, and then be received by infrared receiver device.But, the light ray energy real-time change of surround lighting, if at a time, the light ray energy of surround lighting declines from stabilization energy value, and now not drop fall, the energy of the light that infrared receiver device can be caused equally to receive declines, and like this, can reduce the accuracy in detection of infusion test equipment.
Utility model content
This utility model embodiment provides a kind of infusion test equipment, can improve the accuracy in detection of infusion test equipment.
This utility model embodiment discloses a kind of infusion test equipment, described equipment being formed with one can through the through hole of transfusion drip tube, described equipment comprises observation window, light emitting devices and light receiving element, and described observation window forms a sidewall of described through hole; Described light emitting devices and described light receiving element are embedded on the relative sidewall of two of described through hole respectively;
The sidewall at described light receiving element place is provided with the first polaroid, and described first polaroid is between described light emitting devices and described light receiving element; The inwall of described observation window is provided with the second polaroid; Wherein, the polarization direction of described second polaroid and the polarization direction of described first polaroid orthogonal.
In this utility model embodiment, the sidewall at light receiving element place is provided with the first polaroid, observation window is provided with the second polaroid, wherein, this first polaroid between light emitting devices and light receiving element, the polarization direction of this second polaroid and the polarization direction of this first polaroid orthogonal.The light that light emitting devices is launched becomes the first polarized light after the first polaroid, surround lighting is incident from observation window becomes the second polarized light through the second polaroid, due to the polarization direction of the second polaroid and the polarization direction of this first polaroid orthogonal, make the second polarized light not by being positioned at the first polaroid on the sidewall at light receiving element place, like this, the first polarized light by the first polaroid that the light that light receiving element receives just only has light emitting devices to launch, and the interference of surround lighting can not be subject to, thus the accuracy in detection of infusion test equipment can be improved.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in this utility model embodiment, the accompanying drawing used required in describing embodiment is briefly described by downside, apparently, accompanying drawing during downside describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the side view of a kind of infusion test equipment disclosed in this utility model embodiment;
Fig. 2 is the top view of a kind of infusion test equipment disclosed in this utility model embodiment;
Fig. 3 is the top view of another kind of infusion test equipment disclosed in this utility model embodiment.
Detailed description of the invention
Downside, by conjunction with the accompanying drawing in this utility model embodiment, is clearly and completely described the technical scheme in this utility model embodiment, and obviously, described embodiment is only this utility model part embodiment, instead of whole embodiments.Based on the embodiment in this utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of this utility model protection.
This utility model embodiment discloses a kind of infusion test equipment, can improve the accuracy in detection of infusion test equipment.Below be described in detail respectively.
Refer to Fig. 1, Fig. 1 is the side view of a kind of infusion test equipment disclosed in this utility model embodiment.As shown in Figure 1, this infusion test equipment is formed with one can through the through hole of transfusion drip tube 1, the sidewall 2 of through hole is provided with light receiving element 21, the sidewall 3 of through hole is provided with light emitting devices 31, wherein, sidewall 2 and sidewall 3 are the sidewall that two of through hole are relative, have drop 4 toward falling in transfusion drip tube 1.
Whether the equipment of infusion test shown in Fig. 1 may be used for detecting in transfusion drip tube has drop to fall, and its principle is as follows:
Light receiving element 21 continues to detect the energy from the light of light emitting devices 31, when dripless falls, this energy value is steady state energy value, when there being droplets fall, this drop can line between light emitting devices and light receiving element, because drop blocks light generation, the energy of the light causing light receiving element to detect is declined.Decline according to this energy, drop can have been identified whether and fallen.
In order to better describe the internal structure of infusion test equipment, please also refer to Fig. 2, Fig. 2 is the top view of a kind of infusion test equipment disclosed in this utility model embodiment, as shown in Figure 2, this infusion test equipment being formed with one can through the through hole of transfusion drip tube 1, this infusion test equipment comprises: observation window 5, light emitting devices 31, light receiving element 21, first polaroid 22 and the second polaroid 51, wherein:
Observation window 5 forms a sidewall of through hole;
Light emitting devices 31 is embedded on the sidewall 3 of through hole, and light receiving element 21 is embedded on the sidewall 2 of through hole, and sidewall 2 and sidewall 3 are the sidewall that two of through hole are relative;
The sidewall 2 at light receiving element 21 place is provided with the first polaroid 22, this first polaroid 22 is between light emitting devices 31 and light receiving element 21;
The inwall of observation window 5 is provided with the second polaroid 51, wherein, the polarization direction of this second polaroid 51 and the polarization direction of this first polaroid 22 orthogonal.
Optionally, the area of the second polaroid 51 and the area matched of observation window 5.
In this utility model embodiment, because dropper state needs to be observed by medical personnel, therefore infusion test equipment need leave unilateral observation window 5, because of this observation window 5 printing opacity, surround lighting will enter in transfusion drip tube 1 from here, and received by light receiving element 21, thus affect the receiving light power of light receiving element 21, and have influence on the accuracy in detection of infusion test equipment.Such as: when not having drop 4 to fall, if surround lighting is when this dies down instantaneously, the energy of the light that light receiving element 21 detects also can decline, can think it is cause because drop 4 falls by mistake, this time, surround lighting has just had an impact to the light intensity that light receiving element 21 receives, and can reduce the accuracy in detection of infusion test equipment.
Therefore, in order to the light intensity not allowing ambient light effects receive to light receiving element 21, the sidewall 2 at light receiving element 21 place is provided with the first polaroid 22, this first polaroid 22 is between light emitting devices 31 and light receiving element 21, the inwall of observation window 5 is provided with the second polaroid 51, the polarization direction of this second polaroid 51 and the polarization direction of this first polaroid 22 orthogonal.Like this, the light that light emitting devices 31 is launched becomes the first polarized light after the first polaroid 21, surround lighting is incident from observation window 5 becomes the second polarized light through the second polaroid 51, due to the polarization direction of the second polaroid 51 and the polarization direction of this first polaroid 22 orthogonal, make the second polarized light not by being positioned at the first polaroid 22 on the sidewall 2 at light receiving element 21 place, like this, the first polarized light by the first polaroid 22 that the light that light receiving element 21 receives just only has light emitting devices 31 to launch, and the interference of surround lighting can not be subject to, thus the accuracy in detection of infusion test equipment can be improved.
Refer to Fig. 3, Fig. 3 is the top view of another kind of infusion test equipment disclosed in this utility model embodiment, wherein, infusion test equipment shown in Fig. 3 is that the enterprising one-step optimization in basis of infusion test equipment shown in Fig. 2 obtains, compared with the infusion test equipment shown in Fig. 2, infusion test equipment shown in Fig. 3, except comprising all parts of the infusion test equipment shown in Fig. 2, can also comprise: fixation clamp 6, wherein:
The sidewall 7 that fixation clamp 6 is arranged on through hole is positioned at the outside of transfusion drip tube 1.
Concrete, this fixation clamp 6 comprises the first clamping limb, the second clamping limb and hinge member, this hinge member is arranged on the medial wall of sidewall 7 of through hole, it is mutually hinged that hinge member is passed through in one end of this first clamping limb and one end of this second clamping limb, and this transfusion drip tube is clamped in centre by this first clamping limb and this second clamping limb.
This fixation clamp 6 is mainly used in fixing transfusion drip tube 1, prevents transfusion drip tube 1 from moving, and makes drop 4 disperse the occlusion effect fallen light produces to weaken, and causes error to testing result.
Optionally, the infusion test equipment shown in Fig. 3 can also comprise: transparent window 32, wherein:
On the sidewall 3 that this transparent window 32 is arranged on light emitting devices 31 place and between light emitting devices 31 and light receiving element 21.Wherein, the material of this transparent window 32 can be glass or plastics etc.The light that light emitting devices 31 is launched can incide in transfusion drip tube 1 through transparent window 32, and becomes the first polarized light through the first polaroid 22, and this first polarized light is received by light receiving element 21.
Optionally, the infusion test equipment shown in Fig. 3 can also comprise: signal output part 8, wherein:
This signal output part 8 is for connecting external equipment, and signal output part 8 and light receiving element 21 keep being electrically connected.
The optical signal that light receiving element 21 receives can be changed into the signal of telecommunication (as voltage signal, current signal) by this signal output part 8, and this signal of telecommunication is exported to external equipment.
Optionally, the infusion test equipment shown in Fig. 3 can also comprise: feeder ear 9, wherein:
Feeder ear 9 connects light emitting devices 31 and light receiving element 21.
This feeder ear 9 can be powered for light emitting devices 31 and light receiving element 21.
Optionally, the tranmitting frequency of light emitting devices 31 is greater than the frequency that in transfusion drip tube 1, drop 4 falls.
Optionally, the light that light emitting devices 31 is launched comprises at least one in ultraviolet, visible ray and infrared ray.
Optionally, the spectral range that light receiving element 21 receives light is more than or equal to the radiative spectral range of light emitting devices 31.
Visible, in this utility model embodiment, by being provided with the first polaroid 22 on the sidewall 2 at light receiving element 21 place, the inwall of observation window 5 is provided with the second polaroid 51, and make the polarization direction of the first polaroid 22 and the second polaroid 51 orthogonal, the light that light receiving element 21 just can be made to receive not by the interference of surround lighting, thus improves the accuracy in detection of infusion test equipment.
Above a kind of infusion test equipment that this utility model embodiment provides is described in detail, apply instantiation herein to set forth principle of the present utility model and embodiment, the explanation of above embodiment just understands method of the present utility model and core concept thereof for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model.
Claims (9)
1. an infusion test equipment, is characterized in that, described equipment being formed with one can through the through hole of transfusion drip tube, and described equipment comprises observation window, light emitting devices and light receiving element; Described observation window forms a sidewall of described through hole; Described light emitting devices and described light receiving element are embedded on the relative sidewall of two of described through hole respectively;
The sidewall at described light receiving element place is provided with the first polaroid, and described first polaroid is between described light emitting devices and described light receiving element; The inwall of described observation window is provided with the second polaroid; Wherein, the polarization direction of described second polaroid and the polarization direction of described first polaroid orthogonal.
2. equipment according to claim 1, is characterized in that, described equipment also comprises fixation clamp, and the sidewall that described fixation clamp is arranged on described through hole is positioned at the outside of described transfusion drip tube.
3. equipment according to claim 2, it is characterized in that, described fixation clamp comprises the first clamping limb, the second clamping limb and hinge member, described hinge member is arranged on the medial wall of described through hole, it is mutually hinged that described hinge member is passed through in one end of described first clamping limb and one end of described second clamping limb, and described transfusion drip tube is clamped in centre by described first clamping limb and described second clamping limb.
4. the equipment according to any one of claim 1-3, is characterized in that, described equipment also comprises transparent window, on the sidewall that described transparent window is arranged on described light emitting devices place and between described light emitting devices and described light receiving element.
5. the equipment according to any one of claim 1-3, is characterized in that, described equipment also comprises the signal output part for connecting external equipment, and described signal output part and described light receiving element keep being electrically connected.
6. the equipment according to any one of claim 1-3, is characterized in that, described equipment also comprises feeder ear, and described feeder ear connects described light emitting devices and described light receiving element.
7. the equipment according to any one of claim 1-3, is characterized in that, the tranmitting frequency of described light emitting devices is greater than the frequency that in described transfusion drip tube, drop falls.
8. the equipment according to any one of claim 1-3, is characterized in that, the light that described light emitting devices is launched comprises at least one in ultraviolet, visible ray and infrared ray.
9. the equipment according to any one of claim 1-3, is characterized in that, the spectral range that described light receiving element receives light is more than or equal to the radiative spectral range of described light emitting devices.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520943701.9U CN205181916U (en) | 2015-11-23 | 2015-11-23 | Infusion check out test set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520943701.9U CN205181916U (en) | 2015-11-23 | 2015-11-23 | Infusion check out test set |
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| Publication Number | Publication Date |
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| CN205181916U true CN205181916U (en) | 2016-04-27 |
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| CN201520943701.9U Active CN205181916U (en) | 2015-11-23 | 2015-11-23 | Infusion check out test set |
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| CN (1) | CN205181916U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108211030A (en) * | 2018-03-27 | 2018-06-29 | 北京大学深圳医院 | Abdomen uses turbidity detection device and system thoroughly |
| CN109863407A (en) * | 2016-10-28 | 2019-06-07 | 贝克顿·迪金森公司 | Positive distribution verificating sensor |
| CN112043914A (en) * | 2020-08-26 | 2020-12-08 | 深圳市道尔智控科技有限公司 | Liquid detection system of infusion pipeline |
-
2015
- 2015-11-23 CN CN201520943701.9U patent/CN205181916U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109863407A (en) * | 2016-10-28 | 2019-06-07 | 贝克顿·迪金森公司 | Positive distribution verificating sensor |
| CN109863407B (en) * | 2016-10-28 | 2023-05-09 | 贝克顿·迪金森公司 | Positive dispense verification sensor |
| CN108211030A (en) * | 2018-03-27 | 2018-06-29 | 北京大学深圳医院 | Abdomen uses turbidity detection device and system thoroughly |
| CN112043914A (en) * | 2020-08-26 | 2020-12-08 | 深圳市道尔智控科技有限公司 | Liquid detection system of infusion pipeline |
| CN112043914B (en) * | 2020-08-26 | 2023-03-14 | 深圳市道尔智控科技有限公司 | Liquid detection system of infusion pipeline |
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