CN215227845U - Blood flow detection pen - Google Patents
Blood flow detection pen Download PDFInfo
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- CN215227845U CN215227845U CN202021920758.4U CN202021920758U CN215227845U CN 215227845 U CN215227845 U CN 215227845U CN 202021920758 U CN202021920758 U CN 202021920758U CN 215227845 U CN215227845 U CN 215227845U
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- blood flow
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- 230000017531 blood circulation Effects 0.000 title claims abstract description 60
- 238000001514 detection method Methods 0.000 title claims abstract description 43
- 239000003990 capacitor Substances 0.000 claims description 3
- 210000001367 artery Anatomy 0.000 abstract description 6
- 210000003462 vein Anatomy 0.000 abstract description 5
- 230000002792 vascular Effects 0.000 abstract 1
- 210000004204 blood vessel Anatomy 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000008320 venous blood flow Effects 0.000 description 1
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- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Abstract
The utility model discloses a blood flow detection pen, including the pen-holder, the one end of pen-holder is installed in detection module and control processing module, detection module with control processing module electric connection, the pen-holder is kept away from detection module's one end is equipped with display module, display module with control processing module electric connection. The utility model discloses a blood flow test pen, it can obtain vascular degree of depth after can detecting the blood flow of artery and vein and handling through blood flow sensor to show in real time through display module, it has simple portable, convenient to use and reduces the advantage etc. of the degree of difficulty for clinical puncture.
Description
Technical Field
The utility model belongs to the technical field of the blood flow detects, concretely relates to blood flow detection pen.
Background
At present, medical staff in each large hospital uses large-scale detection equipment which is complex to operate and troublesome to move in the process of detecting blood flow through a transcranial Doppler detector. Moreover, most of the existing transcranial Doppler instruments are large-scale equipment, portable instruments special for detecting blood flow are not provided, diagnosis is often performed after the disease of a patient occurs, prevention and treatment cannot be performed in advance, the large-scale equipment is difficult to operate, inconvenience is brought to medical staff, and the work difficulty of the medical staff is greatly increased in the past.
The publication number is: CN204797888U, the subject name is a utility model of a portable blood flow detector, the technical scheme thereof discloses that a micro-speaker (2) is arranged on a detector main body (1), a micro-printer (3) is arranged at the rear side of the micro-speaker (2), a printing button (4) is arranged on the micro-printer (3), a printing start indicator (5) is arranged at the right side of the printing button (4), a printing completion indicator (6) is arranged at the right side of the printing start indicator (5), a paper outlet (7) is arranged at the front side of the printing button (4), a ripple display screen (8) is arranged at the right side of the micro-printer (3), a control panel (9) is arranged at the front side of the ripple display screen (8), an operation key (10) is arranged on the control panel (9), a display switch (11) is arranged at the right side of the operation key (10), a detector main switch (12) is arranged at the right side of the display switch (11), the portable handle (13) is arranged on the right side of the detector main body (1), the battery protection cover (14) is arranged inside the detector main body (1), the detachable battery (15) is arranged inside the battery protection cover (14), the blood flow detection pen placing frame (16) is arranged on the right side of the detector main body (1), the single-hole plug (17) is arranged on the front side of the blood flow detection pen placing frame (16), the elastic wire harness (18) is arranged on the right side of the single-hole plug (17), the blood flow detection pen (19) is arranged on the elastic wire harness (18), the detection button (20) is arranged on the blood flow detection pen (19), the LED display panel (21) is arranged on the right side of the detection button (20), the printed circuit board (22) is arranged on the inner side of the blood flow detection pen (19), the signal receiver (23) is arranged on the printed circuit board (22), the signal converter (24) is arranged on the right side of the signal receiver (23), the binding post (25) is arranged on the left side of the printed circuit board (22), the left side of the binding post (25) is provided with a connecting wire (26), the left side of the connecting wire (26) is provided with an ultrasonic probe (27), the right side of the printed circuit board (22) is provided with an analysis chip (28), the right side of the analysis chip (28) is provided with a fixed base (29), the right side of the fixed base (29) is provided with a transducer base (30), and the right side of the transducer base (30) is provided with an ultrasonic transducer (31).
Take the above-mentioned utility model patent as an example, it has mentioned blood flow detection, but its technical scheme with the utility model discloses a different, the utility model discloses a form of portable pen removes to detect as the carrier, convenient and practical more. Therefore, the above problems are further improved.
SUMMERY OF THE UTILITY MODEL
A primary object of the present invention is to provide a blood flow detection pen, which can detect the blood flow of artery and vein and obtain the depth of blood vessel after treatment through a blood flow sensor, and display the blood flow in real time through a display module, and has the advantages of simple and portable performance, convenient use, and difficulty reduction for clinical puncture.
In order to achieve the above purpose, the utility model provides a blood flow detection pen, which is used for detecting blood flow and comprises a pen holder, one end of the penholder is arranged on the detection module and the control processing module which are electrically connected with each other (the blood flow of the artery and the vein is detected by the blood flow sensor U1, the detected data is sent to the control processing module, the control processing module displays the blood flow in a digital form by the display module after calculation processing, so that the observation is convenient), the pen-holder is kept away from detection module's one end is equipped with display module, display module with control processing module electric connection (blood flow sensor U1, display module and control processing module are prior art, the utility model discloses detection module of main protection gathers the blood flow volume that detects and enlargies), wherein:
the detection module comprises a blood flow sensor U1 and an interface unit U2, one path of a 2-pin of the blood flow sensor U1 is grounded through a resistor R1, the other path of the 2-pin of the blood flow sensor U1 is electrically connected with a 1-pin of the interface unit U2, and an 8-pin of the interface unit U2 is sequentially connected with a power supply terminal VCC through a light-emitting diode D1 (used for indicating the power-on state) and the resistor R3;
the blood flow monitor comprises an amplifier U3 and an amplifier U4, wherein the positive input end of the amplifier U3 is electrically connected with the 1 pin of the interface unit U2, the negative input end and the output end of the amplifier U3 are connected, the output end of the amplifier U3 is electrically connected with the positive input end of the amplifier U4 through a resistor R5, the output end of the amplifier U4 is connected with an output end A through a resistor R8 (at the moment, data of the output end A is an analog signal obtained by amplifying a detection signal, and the analog signal is output to an AD converter of a control processing module through the output end A to be converted into a data signal, and then calculation is performed (including calculation of the blood flow and the blood vessel depth of an artery and vein, the blood flow monitor U1 is laser detection, and can directly detect laser through skin according to data such as optical absorption) and then the data are sent to a display module for display.
As a further preferable technical solution of the above technical solution, one path of the 3 pins of the interface unit U2 is connected to a voltage reference terminal VREF through a resistor RP1 and a resistor R2, and the other path of the 3 pins of the interface unit U2 is grounded through the resistor RP 1.
As a further preferable technical solution of the above technical solution, one path of the 4 pins of the interface unit U2 is connected to a voltage reference terminal VREF through a resistor RP2 and the resistor R2, and the other path of the 4 pins of the interface unit U2 is grounded through the resistor RP 2.
As a further preferable technical solution of the above technical solution, the positive input terminal of the amplifier U4 is further connected to the power supply terminal VCC through a resistor R4, and the negative input terminal of the amplifier U4 is connected to the power supply terminal VCC through a resistor R6.
As a further preferable technical solution of the above technical solution, one path of the negative input terminal of the amplifier U4 is connected to the output terminal a through the resistor R7 and the resistor RP3 in sequence, the other path of the negative input terminal of the amplifier U4 is connected to the output terminal a through the capacitor C1, and the output terminal a is also connected to the ground through the diode D2.
Drawings
Fig. 1 is a circuit diagram of a detection module of a blood flow detection pen of the present invention.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents and other technical solutions without departing from the spirit and scope of the invention.
The utility model discloses a blood flow test pen, the following combines preferred embodiment, further describes utility model's concrete embodiment.
Referring to fig. 1 of the drawings, fig. 1 is a circuit diagram of a detection module of a blood flow detection pen according to the present invention.
In the embodiment of the present invention, those skilled in the art will note that the pen holder, the blood flow sensor, the control processing module, the display module, and the like according to the present invention can be regarded as the prior art.
Preferred embodiments.
The utility model discloses a blood flow detection pen for detect blood flow volume, including the pen-holder, the one end of pen-holder is installed in detection module and control processing module, detection module with control processing module electric connection, (through blood flow sensor U1 detect artery and venous blood flow, then with the data transmission who detects control processing module, control processing module shows the blood flow with digital form through display module after handling through calculating, conveniently observes, the pen-holder is kept away from detection module's one end is equipped with display module, display module with control processing module electric connection (blood flow sensor U1, display module and control processing module are prior art, the utility model discloses the detection module of main protection, gather the blood flow volume that detects and enlarge), wherein:
the detection module comprises a blood flow sensor U1 and an interface unit U2, one path of a 2-pin of the blood flow sensor U1 is grounded through a resistor R1, the other path of the 2-pin of the blood flow sensor U1 is electrically connected with a 1-pin of the interface unit U2, and an 8-pin of the interface unit U2 is sequentially connected with a power supply terminal VCC through a light-emitting diode D1 (used for indicating the power-on state) and the resistor R3;
the blood flow monitor comprises an amplifier U3 and an amplifier U4, wherein the positive input end of the amplifier U3 is electrically connected with the 1 pin of the interface unit U2, the negative input end and the output end of the amplifier U3 are connected, the output end of the amplifier U3 is electrically connected with the positive input end of the amplifier U4 through a resistor R5, the output end of the amplifier U4 is connected with an output end A through a resistor R8 (at the moment, data of the output end A is an analog signal obtained by amplifying a detection signal, and the analog signal is output to an AD converter of a control processing module through the output end A to be converted into a data signal, and then calculation is performed (including calculation of the blood flow and the blood vessel depth of an artery and vein, the blood flow monitor U1 is laser detection, and can directly detect laser through skin according to data such as optical absorption) and then the data are sent to a display module for display.
Specifically, one path of the 3 pins of the interface unit U2 is connected to a voltage reference terminal VREF through a resistor RP1 and a resistor R2, and the other path of the 3 pins of the interface unit U2 is grounded through the resistor RP 1.
More specifically, one path of the 4 pins of the interface unit U2 is connected to the voltage reference terminal VREF through the resistor RP2 and the resistor R2, and the other path of the 4 pins of the interface unit U2 is connected to the ground through the resistor RP 2.
Furthermore, the positive input end of the amplifier U4 is also connected with the power supply terminal VCC through a resistor R4, and the negative input end of the amplifier U4 is connected with the power supply terminal VCC through a resistor R6.
Furthermore, one path of the negative input end of the amplifier U4 is connected to the output end a through a resistor R7 and a resistor RP3 in sequence, the other path of the negative input end of the amplifier U4 is connected to the output end a through a capacitor C1, and the output end a is also connected to the ground through a diode D2.
It is worth mentioning that the utility model discloses technical characteristics such as pen-holder, blood flow sensor, control processing module and display module that the patent application relates to should be regarded as prior art, and the concrete structure of these technical characteristics, theory of operation and the control mode that may involve, spatial arrangement mode adopt in the field conventional selection can, should not regard as the utility model discloses a point of invention is located, the utility model discloses a do not further specifically expand the detailing.
It will be apparent to those skilled in the art that modifications and variations can be made in the above-described embodiments, or some features of the invention may be substituted or omitted, and any modification, substitution, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (5)
1. The utility model provides a blood flow detection pen for detect blood flow, includes the pen-holder, its characterized in that, the one end of pen-holder is installed in detection module and control processing module, detection module with control processing module electric connection, the pen-holder is kept away from detection module's one end is equipped with display module, display module with control processing module electric connection, wherein:
the detection module comprises a blood flow sensor U1 and an interface unit U2, one path of a 2 pin of the blood flow sensor U1 is grounded through a resistor R1, the other path of the 2 pin of the blood flow sensor U1 is electrically connected with a 1 pin of the interface unit U2, and an 8 pin of the interface unit U2 is connected with a power supply terminal VCC through a light-emitting diode D1 and a resistor R3 in sequence;
the amplifier U3 and the amplifier U4, the 1 pin electrical connection of the positive input of amplifier U3 with interface unit U2, amplifier U3's negative pole input end and output are connected and amplifier U3's output passes through resistance R5 and amplifier U4's positive pole input end electrical connection, amplifier U4's output passes through resistance R8 and connects output A.
2. The blood flow test pen according to claim 1, wherein one path of the 3 pins of the interface unit U2 is connected to the voltage reference terminal VREF through a resistor RP1 and a resistor R2, and the other path of the 3 pins of the interface unit U2 is connected to the ground through the resistor RP 1.
3. The blood flow detection pen according to claim 2, wherein one path of the 4 pins of the interface unit U2 is connected to the voltage reference terminal VREF through the resistor RP2 and the resistor R2, and the other path of the 4 pins of the interface unit U2 is connected to ground through the resistor RP 2.
4. The blood flow test pen according to claim 3, wherein the positive input terminal of the amplifier U4 is further connected to the power supply terminal VCC through a resistor R4, and the negative input terminal of the amplifier U4 is connected to the power supply terminal VCC through a resistor R6.
5. The blood flow detection pen according to claim 4, wherein one path of the negative input terminal of the amplifier U4 is connected to the output terminal A through a resistor R7 and a resistor RP3 in sequence, the other path of the negative input terminal of the amplifier U4 is connected to the output terminal A through a capacitor C1, and the output terminal A is further connected to the ground through a diode D2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021920758.4U CN215227845U (en) | 2020-09-04 | 2020-09-04 | Blood flow detection pen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021920758.4U CN215227845U (en) | 2020-09-04 | 2020-09-04 | Blood flow detection pen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215227845U true CN215227845U (en) | 2021-12-21 |
Family
ID=79451285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021920758.4U Expired - Fee Related CN215227845U (en) | 2020-09-04 | 2020-09-04 | Blood flow detection pen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215227845U (en) |
-
2020
- 2020-09-04 CN CN202021920758.4U patent/CN215227845U/en not_active Expired - Fee Related
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Legal Events
| 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: 20211221 |