CN211383176U - Double-infrared correlation sensing measuring device for infusion state - Google Patents
Double-infrared correlation sensing measuring device for infusion state Download PDFInfo
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- CN211383176U CN211383176U CN201921157347.1U CN201921157347U CN211383176U CN 211383176 U CN211383176 U CN 211383176U CN 201921157347 U CN201921157347 U CN 201921157347U CN 211383176 U CN211383176 U CN 211383176U
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- infrared correlation
- correlation sensor
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Abstract
The utility model discloses a measurement device of infusion state with two infrared correlation sensing, including a shell, all be equipped with the draw-in groove on the both ends of shell, it has the pipe box to bond on the shell that draw-in groove one end corresponds, be equipped with the running-in on the pipe box that the draw-in groove corresponds, the shell inboard that the pipe box corresponds bonds and has pressed from both sides steady mechanism, two press from both sides steady mechanism laminating on the both ends of liquid bag, the inside of a shell that the liquid bag both ends correspond is equipped with infrared correlation sensor and No. two infrared correlation sensors respectively, infrared correlation sensor and No. two infrared correlation sensor the same structure, infrared correlation sensor and No. two infrared correlation sensors all include infrared receiver and infrared transmitter, the utility model discloses novel structure, convenient to use is a novel and practical measurement device of infusion state with two infrared correlation sensing.
Description
Technical Field
The utility model relates to the technical field of medical equipment, specifically a measurement device of infusion state with two infrared correlation sensing.
Background
The transfusion state includes the speed of transfusion, abnormal suspension of transfusion caused by blockage, needle clamping and the like, and residual volume and time of transfusion after the transfusion is finished. The method for measuring the transfusion state is divided into an intervention type and a non-intervention type, and the difference is that: the non-intervention type measurement can be carried out on the basis of the original transfusion equipment, and the transfusion liquid does not contact with the additionally arranged equipment or parts; the intervention type measurement is usually customized infusion equipment, and the customized equipment contacts infusion liquid, the utility model belongs to the non-intervention type, and the mature method for measuring the infusion state in the industry at present has the following several kinds:
a capacitive sensing measurement method. The capacitance value of the capacitance sensor is different when the capacitance is close to the infusion tube wall and the infusion tube wall contains liquid or does not contain liquid, and the capacitance value of the capacitance sensor is measured to distinguish whether liquid exists in the infusion tube wall or not according to different capacitance values. The utility model can only distinguish whether liquid exists in the wall of the transfusion tube, and can not measure the flow velocity of the liquid, thereby being incapable of identifying abnormal suspension of transfusion and measuring the transfusion speed,
a single infrared correlation sensing measurement method. The infusion liquid bag is arranged between the infrared emitter and the sensor, the infrared sensor can receive infrared light with rated intensity under the condition that no liquid drop exists in the liquid bag, and when the liquid drop passes through the liquid bag, the infrared light emitted to the sensor is reflected and refracted by the falling liquid drop, so that the infrared light received by the sensor disappears or the intensity is reduced, and the falling action of the liquid drop is sensed. The utility model discloses can discern whether the infusion is going on, nevertheless can't discern that the infusion appears aborting or the infusion has been accomplished.
It can be seen that the method for measuring the transfusion state still has the places of inaccurate measurement and great inconvenience, so the utility model provides a measurement device for double infrared correlation sensing for the transfusion state solves the problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a measurement device of infusion state with two infrared correlation sensing to solve the problem that provides among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a double-infrared correlation sensing measuring device for an infusion state comprises a first shell, wherein clamping grooves are formed in two ends of the first shell, a pipe sleeve is bonded on the first shell corresponding to one end of each clamping groove, a sleeve opening is formed in the pipe sleeve corresponding to each clamping groove, a clamping and stabilizing mechanism is bonded on the inner side of the first shell corresponding to each pipe sleeve, the two clamping and stabilizing mechanisms are attached to two ends of a liquid bag, a first infrared correlation sensor and a second infrared correlation sensor are respectively arranged inside the first shell corresponding to two ends of the liquid bag, the first infrared correlation sensor and the second infrared correlation sensor are identical in structure and comprise an infrared receiver and an infrared transmitter, the infrared receiver is bonded on the inner wall of the first shell on one side of the liquid bag, the infrared transmitter is bonded on the inner wall of the first shell opposite to the infrared receiver, a second shell is connected to the outer side of the first shell through screws, and a signal lamp, a storage battery and a wiring board are arranged inside the second shell.
Preferably, the clamping and stabilizing mechanism comprises a spongy cushion, a pressing ring and a ring opening, the spongy cushion is bonded on the first shell, one side, far away from the first shell, of the spongy cushion is bonded with the pressing ring, and one side, far away from the spongy cushion, of the pressing ring is attached to the liquid bag.
Preferably, the data receiving and transmitting port of the wiring board is respectively electrically connected with the first infrared correlation sensor, the second infrared correlation sensor and the signal lamp, the power supply access end of the wiring board is electrically connected with the storage battery, and the wiring board is in data connection with an external computer.
Preferably, the infusion tube connected with the two ends of the liquid bag is clamped in the tube sleeve.
Preferably, a bin door is connected to the second shell corresponding to the storage battery in a hinged mode.
Preferably, the ring opening is formed in one side, close to the clamping groove, of the spongy cushion and the pressing ring.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses under the condition that the cost does not have the apparent increase, measured stability is higher than traditional electric capacity measurement method and list to infrared correlation sensing measurement method, and simultaneous measurement's accuracy is far higher than traditional electric capacity measurement method and list to infrared correlation sensing measurement method, and the utility model discloses can not produce measuring error or wrong report alarm when the liquid bag of infusion inclines, the utility model discloses novel structure, convenient to use is a novel and practical infusion state is with two infrared correlation sensing's measuring device.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a first housing of the present invention;
fig. 3 is a schematic structural view of the clamping mechanism of the present invention.
In the figure: 1. a first housing; 2. a card slot; 3. pipe sleeve; 4. looping; 5. a clamping and stabilizing mechanism; 6. a sponge cushion; 7. pressing a ring; 8. looping; 9. a transfusion tube; 10. a liquid sac; 11. a first infrared correlation sensor; 12. a second infrared correlation sensor; 13. an infrared receiver; 14. an infrared emitter; 15. a second housing; 16. a signal lamp; 17. a storage battery; 18. a bin gate; 19. a patch panel.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a double-infrared correlation sensing measuring device for a transfusion state comprises a first shell 1, wherein two ends of the first shell 1 are respectively provided with a clamping groove 2, a pipe sleeve 3 is bonded on the first shell 1 corresponding to one end of the clamping groove 2, a sleeve opening 4 is arranged on the pipe sleeve 3 corresponding to the clamping groove 2, a clamping and stabilizing mechanism 5 is bonded on the inner side of the first shell 1 corresponding to the pipe sleeve 3, the two clamping and stabilizing mechanisms 5 are attached to two ends of a liquid bag 10, a first infrared correlation sensor 11 and a second infrared correlation sensor 12 are respectively arranged inside the first shell 1 corresponding to two ends of the liquid bag 10, the first infrared correlation sensor 11 and the second infrared correlation sensor 12 are identical in structure, the first infrared correlation sensor 11 and the second infrared correlation sensor 12 both comprise an infrared receiver 13 and an infrared emitter 14, the infrared receiver 13 is bonded on the inner wall of the first shell 1 on one side of the liquid bag 10, the infrared emitter 14 is bonded on the inner wall of one side of the first shell 1 corresponding to the infrared receiver 13, a second shell 15 is connected to the outer side of the first shell 1 through screws, and a signal lamp 16, a storage battery 17 and a wiring board 19 are arranged inside the second shell 15.
The clamping and stabilizing mechanism 5 comprises a spongy cushion 6, a pressing ring 7 and a ring opening 8, the spongy cushion 6 is bonded on the first shell 1, one side, away from the first shell 1, of the spongy cushion 6 is bonded with the pressing ring 7, and one side, away from the spongy cushion 6, of the pressing ring 7 is attached to the liquid bag 10.
The data receiving and transmitting port of the wiring board 19 is respectively and electrically connected with the first infrared correlation sensor 11, the second infrared correlation sensor 12 and the signal lamp 16, the power supply access end of the wiring board 19 is electrically connected with the storage battery 17, and the wiring board 19 is in data connection with an external computer.
The transfusion tube 9 connected with the two ends of the liquid bag 10 is clamped in the tube sleeve 3. The second shell 15 corresponding to the storage battery 17 is hinged with a bin door 18. The ring opening 8 is arranged on one side of the spongy cushion 6 and the pressing ring 7 close to the clamping groove 2.
When in use, the utility model adopts the method of double infrared correlation sensors to measure, the infrared correlation sensors are respectively arranged on the upper part and the lower part of the liquid bag, the light source of the infrared emitter 14 in the first infrared correlation sensor 11 and the second infrared correlation sensor 12 is emitted in a conical shape, when there is no shielding, the infrared correlation sensors just cover the measuring surface of the infrared receiver 13, the infrared receiver 13 receives infrared light to generate direct current voltage, when the infusion liquid drops pass through the correlation sensing area in the liquid bag 10, the measuring surface of the infrared receiver 13 is shielded to a certain degree, along with the falling of the liquid drops, the shielding degree of the measuring surface of the infrared receiver 13 is different, the voltage generated by the infrared receiver 13 is also different, when the liquid drops fall at each time, the corresponding infrared receiver 13 can form a voltage waveform which changes along with time, when the liquid bag 10 is static and vertically downward, in the liquid bag 10, a drop falls and passes through two pairs of infrared correlation areas of a first infrared correlation sensor 11 and a second infrared correlation sensor 12 in sequence, the two sensors of the first infrared correlation sensor 11 and the second infrared correlation sensor 12 generate two groups of voltage waveforms changing along with time, the waveforms are not overlapped in a time domain, the waveform similar to the second infrared correlation sensor 12 is time backward deviation of the waveform of the first infrared emitter 11, in a liquid bag 10 with the height not exceeding 10cm, the maximum time for a drop to fall from the top to the bottom is about 0.141s, the height of about 1/3 in the whole process of the drop falling influences the infrared correlation sensors, the voltage of an infrared receiver 13 is collected by adopting a sampling rate of more than 10kHz, data of at least 500 points can be collected in the process of the drop falling, the time distance between every two points is 0.1ms, the measured waveform data is stored and is led into a computer to calculate waveform characteristic quantity such as FFT (fast Fourier transform) and the like, characteristic quantity statistics is carried out on a plurality of waveforms, and the characteristic quantity aggregated by results and a corresponding algorithm are transplanted into the infusion dripping speed equipment according to the statistics, so that the infusion state can be well calculated. The transfusion state that can be obtained by the utility model comprises: the speed of transfusion, the suspension of transfusion, the end of transfusion, the error correction of the inclination of the liquid bag, and can measure the size of liquid drops, which is used for calculating the transfusion speed more accurately, in addition, the matching use of the sleeve opening 4 and the clamping groove 2 of the utility model enables the transfusion tube 9 to enter the sleeve opening 4 by pressing, then the transfusion tube is hung on the liquid bag 10 in turn by utilizing the elastic recovery state of the transfusion tube, the pressing rings 7 attached at the two ends of the liquid bag 10 further enhance the stability of the connection between the utility model and the liquid bag, the condition that the infrared correlation sensor displaces between the operation process and the liquid bag 10 is avoided, the signal lamp 16 can display the operation state of the utility model, the storage battery 17 can directly supply power for the utility model, the wiring board 19 connects the utility model on an external computer, the transfusion state can be conveniently checked by a user.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a measuring device of infusion state with two infrared correlation sensing which characterized in that: the device comprises a first shell (1), wherein clamping grooves (2) are arranged at two ends of the first shell (1), a pipe sleeve (3) is bonded on the first shell (1) corresponding to one end of each clamping groove (2), a sleeve opening (4) is arranged on the pipe sleeve (3) corresponding to the clamping grooves (2), a clamping and stabilizing mechanism (5) is bonded on the inner side of the first shell (1) corresponding to the pipe sleeve (3), the two clamping and stabilizing mechanisms (5) are attached to two ends of a liquid bag (10), a first infrared correlation sensor (11) and a second infrared correlation sensor (12) are arranged in the first shell (1) corresponding to two ends of the liquid bag (10) respectively, the first infrared correlation sensor (11) and the second infrared correlation sensor (12) have the same structure, and the first infrared correlation sensor (11) and the second infrared correlation sensor (12) respectively comprise an infrared receiver (13) and an infrared transmitter (14), infrared receiver (13) bond on the inner wall of shell (1) on one side of liquid bag (10), infrared emitter (14) bond on the inner wall of one side of shell (1) that infrared receiver (13) is relative, No. two shells (15) of screwed connection on the outside of shell (1), No. two shells (15) are inside to be equipped with signal lamp (16), battery (17) and wiring board (19).
2. The device for measuring the infusion state according to claim 1, wherein: the clamping and stabilizing mechanism (5) comprises a spongy cushion (6), a pressing ring (7) and a ring opening (8), the spongy cushion (6) is bonded on the first shell (1), one side, away from the first shell (1), of the spongy cushion (6) is bonded with the pressing ring (7), and one side, away from the spongy cushion (6), of the pressing ring (7) is attached to the liquid bag (10).
3. The device for measuring the infusion state according to claim 1, wherein: the data receiving and transmitting port of the wiring board (19) is electrically connected with the first infrared correlation sensor (11), the second infrared correlation sensor (12) and the signal lamp (16) respectively, the power supply access end of the wiring board (19) is electrically connected with the storage battery (17), and the wiring board (19) is in data connection with an external computer.
4. The device for measuring the infusion state according to claim 1, wherein: the infusion tube (9) connected with the two ends of the liquid bag (10) is clamped in the tube sleeve (3).
5. The device for measuring the infusion state according to claim 1, wherein: and a bin door (18) is hinged to the second shell (15) corresponding to the storage battery (17).
6. The device for measuring the infusion state according to claim 2, wherein the device comprises: the ring opening (8) is arranged on one side of the spongy cushion (6) and the pressing ring (7) close to the clamping groove (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921157347.1U CN211383176U (en) | 2019-07-23 | 2019-07-23 | Double-infrared correlation sensing measuring device for infusion state |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921157347.1U CN211383176U (en) | 2019-07-23 | 2019-07-23 | Double-infrared correlation sensing measuring device for infusion state |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211383176U true CN211383176U (en) | 2020-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921157347.1U Expired - Fee Related CN211383176U (en) | 2019-07-23 | 2019-07-23 | Double-infrared correlation sensing measuring device for infusion state |
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| CN (1) | CN211383176U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112415224A (en) * | 2020-11-04 | 2021-02-26 | 温州康陀信息技术有限公司 | Infrared reflection type liquid dripping speed detector |
-
2019
- 2019-07-23 CN CN201921157347.1U patent/CN211383176U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112415224A (en) * | 2020-11-04 | 2021-02-26 | 温州康陀信息技术有限公司 | Infrared reflection type liquid dripping speed detector |
| CN112415224B (en) * | 2020-11-04 | 2022-11-15 | 深圳市讯美科技有限公司 | Infrared reflection type liquid dripping speed detector |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200901 Termination date: 20210723 |
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| CF01 | Termination of patent right due to non-payment of annual fee |