CN210541534U - Blood flow velocity detector - Google Patents
Blood flow velocity detector Download PDFInfo
- Publication number
- CN210541534U CN210541534U CN201920260078.5U CN201920260078U CN210541534U CN 210541534 U CN210541534 U CN 210541534U CN 201920260078 U CN201920260078 U CN 201920260078U CN 210541534 U CN210541534 U CN 210541534U
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- Prior art keywords
- screw rod
- blood flow
- base
- slider
- supporting table
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- 230000017531 blood circulation Effects 0.000 title claims abstract description 17
- 239000008280 blood Substances 0.000 claims abstract description 29
- 210000004369 blood Anatomy 0.000 claims abstract description 29
- 238000001514 detection method Methods 0.000 abstract description 3
- 230000002349 favourable effect Effects 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 210000004204 blood vessel Anatomy 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 210000000709 aorta Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000023555 blood coagulation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a blood velocity of flow detector belongs to medical instrument technical field. The blood flow velocity detector comprises a base, a first supporting platform and a second supporting platform, wherein the first supporting platform and the second supporting platform are respectively arranged at the left end and the right end of the top surface of the base; the slider is provided with two through holes matched with the slide bar and a threaded hole matched with the screw rod, the slider is respectively sleeved on the outer sides of the slide bar and the screw rod, the right side of the slider is provided with a second fixing device used for fixing a piston handle, the motor drives the screw rod to rotate, and the screw rod can enable the slider to slide along the direction of the slide bar. The utility model aims at providing a blood velocity of flow detector for solve the problem of artifical detection blood velocity of flow inefficiency.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, especially, blood velocity of flow detector.
Background
In blood purification treatment, the aorta of a patient needs to be catheterized to draw blood, and the smoothness of blood drainage can be guaranteed only by the unobstructed pipeline and certain flow rate before blood drainage. At present, the phenomenon of blood coagulation can occur due to the fact that blood is not guided smoothly by a pipeline and is blocked, pain and expense of a patient are increased, and even the life of the patient is threatened.
The current method comprises the following steps: a20 m syringe is connected with a pipeline for blood drawing, if the pipeline can be fully drawn by 20nL within 6s, the pipeline is open, and blood drawing can be performed, however, the method is inconvenient to operate, is not favorable for timing, and cannot determine whether the blood drawing speed is uniform or not. The prior art lacks an instrument for detecting the blood flow rate of a patient.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a blood velocity of flow detector for solve the problem of artifical detection blood velocity of flow inefficiency.
In order to achieve the above purpose, the utility model adopts the technical proposal that:
a blood flow velocity detector comprises a base, a first supporting table, a second supporting table, two sliding rods, a screw rod and a sliding block, wherein the first supporting table and the second supporting table are respectively arranged at the left end and the right end of the top surface of the base; the first fixing device is positioned above the guide groove;
the two sliding rods are respectively and fixedly arranged between the first supporting table and the second supporting table and are arranged in parallel, the screw rod is rotatably arranged between the first supporting table and the second supporting table, the screw rod is positioned between the two sliding rods and is parallel to the two sliding rods, the sliding block is provided with two through holes matched with the sliding rods and a threaded hole matched with the screw rod, the sliding block is sleeved on the sliding rods and the screw rod, and the right side of the sliding block is provided with a second fixing device for fixing a piston handle of the injector; the motor is connected with the screw rod and used for driving the screw rod to rotate; the lead screw can make the slider slide along the slide bar direction.
Further, first fixing device includes briquetting and two locking screw, the briquetting is located the top of guide way, the briquetting is convex of indent towards one side of guide way, the briquetting both sides are connected with a second supporting bench top surface through locking screw respectively.
Further, the second fixing device is a fixing buckle.
Further, the motor is a stepping motor.
Further, still include singlechip, time-recorder, speedtransmitter, range finding sensor and siren, singlechip and time-recorder are located inside the base, speedtransmitter and range finding sensor are located the base top surface, the siren is located the base side, the singlechip respectively with step motor, time-recorder, speedtransmitter, range finding sensor and siren are connected, the time-recorder is used for taking notes step motor's operating time, speedtransmitter is used for detecting the speed of slider, range finding sensor is used for measuring the movement distance of slider, the siren is used for sending out the police dispatch newspaper after slider movement distance surpasss the certain limit.
Furthermore, the side surface of the base is provided with a display screen for displaying the blood drawing time and the speed.
Furthermore, supporting legs are respectively arranged at four corners of the bottom surface of the base.
Furthermore, the supporting legs are telescopic rods.
Due to the adoption of the technical scheme, the utility model discloses following beneficial effect has:
1. the utility model discloses use screw drive mechanism to carry out at the uniform velocity hemospasia to the syringe as power, be favorable to improving the accuracy that the blood velocity of flow detected, moreover the utility model discloses simple structure convenient and practical.
2. The utility model discloses a first fixing device and second fixing device's fixed effectual is favorable to improving the stability of this detector.
3. The utility model discloses singlechip, time-recorder, speedtransmitter and siren have to can be accurate the accuse to the time of drawing blood, improve detection efficiency and testing result's accuracy.
4. The utility model discloses supporting legs with adjustable to adjustment needle inserting angle when facilitating the use.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a left side view of FIG. 1;
the main reference symbols in the drawings are as follows:
in the attached drawing, 1-a base, 2-a first supporting platform, 3-a sliding rod, 4-a sliding block, 5-a fixing buckle, 6-an injector, 7-a locking screw, 8-a pressing block, 9-a second supporting platform, 10-a supporting foot, 11-a display screen, 12-a guide groove and 13-a screw rod.
Detailed Description
The following describes the embodiments of the present invention with reference to the accompanying drawings.
As shown in fig. 1 and 2, a blood flow velocity detector comprises a base 1, a first supporting platform 2, a second supporting platform 9, two sliding rods 3, a screw rod 13 and a sliding block 4, wherein the first supporting platform 2 and the second supporting platform 9 are respectively arranged at the left end and the right end of the top surface of the base 1, a motor is arranged in the first supporting platform 2, a guide groove 12 for placing an injector 6 is arranged on the top surface of the second supporting platform 9, a first fixing device for fixing the injector 6 is further fixedly arranged on the second supporting platform 9, and the first fixing device is positioned above the guide groove 12.
Two slide bars 3 are respectively fixed mounting between first brace table 2 and second brace table 9 and are parallel to each other, lead screw 13 rotates and installs between first brace table 2 and second brace table 9, lead screw 13 is located between two slide bars 3 and is parallel to each other with two slide bars 3, be equipped with on slider 4 two with slide bar 3 assorted through-hole and one with lead screw 13 assorted screw hole, slide bar 3 and lead screw 13 are located to slider 4 cover, slider 4 right side is equipped with the second fixing device who is used for the piston handle of fixed syringe, the motor is connected with lead screw 13, be used for the drive to move lead screw 13 and rotate, lead screw 13 can make slider 4 slide along slide bar 3 directions.
The first fixing device comprises a pressing block 8 and two locking screws 7, the pressing block 8 is arranged above the guide groove 12, one side, facing the guide groove, of the pressing block 8 is in the shape of an inwards concave arc, and the two sides of the pressing block 8 are connected with the top surface of the second supporting table 9 through the locking screws 7 respectively. The second fixing device is a fixing buckle 5, which is similar to the structure of the existing cover plate buckle, and the piston can be loosened or fastened through the fixing buckle 5. The motor is a stepping motor, the stepping motor is an open-loop control motor which converts an electric pulse signal into angular displacement or linear displacement, is a main executive element in a modern digital program control system, and is extremely widely applied. In the non-overload condition, the rotation speed and stop position of the motor only depend on the frequency and pulse number of the pulse signal, and are not influenced by the load change, when the stepping driver receives a pulse signal, the stepping driver drives the stepping motor to rotate by a fixed angle in a set direction, namely a stepping angle, and the rotation of the stepping motor is operated by one step at the fixed angle. The angular displacement can be controlled by controlling the number of pulses, so that the aim of accurate positioning is fulfilled; meanwhile, the rotating speed and the rotating acceleration of the motor can be controlled by controlling the pulse frequency, so that the aim of speed regulation is fulfilled. The utility model discloses replace the manual work with mechanical mechanism and put the pipe and draw blood, drive the lead screw through the motor at the uniform velocity and rotate, make the syringe carry out at the uniform velocity to the patient and draw blood, the utility model discloses can accurately control the speed of drawing blood to the judgement patient that can be more accurate the pipeline draw blood unobstructed enough inadequately, and then make medical personnel take corresponding measure, improve medical efficiency.
The utility model discloses an in the preferred embodiment, still include the singlechip, the time-recorder, speedtransmitter, range finding sensor and siren, 1 inside base is located to singlechip and time-recorder, 1 top surface of base is located to speedtransmitter and range finding sensor, 1 side of base is located to the siren, the singlechip respectively with step motor, the time-recorder, speedtransmitter, range finding sensor and siren are connected, the time-recorder is used for taking notes step motor's operating time, speedtransmitter is used for detecting slider 4's speed, range finding sensor is used for measuring the moving distance of 4 smooth pieces, the siren is used for sending out the police dispatch newspaper after slider 4 moving distance surpasss the certain limit. The side of the base 1 is provided with a display screen 11 for displaying the blood drawing time and the speed. Supporting legs 10 are respectively arranged at four corners of the bottom surface of the base 1. The supporting foot 10 is a telescopic rod.
The working principle is as follows:
the injector 6 is arranged in the guide groove 12, the fixing buckle 5 is connected with the piston of the injector 6, the injector 6 is pressed tightly through the pressing block 8, the motor is started, the piston of the injector 6 is pulled after being held by the sliding block 4 under the drive of the screw rod 13, and the rotation speed of the motor is controlled through the speed instruction input by the single chip microcomputer, so that the blood drawing speed of the piston can be adjusted. When the upper limit value of the blood speed is set to be 300ml/min, if the blood flows smoothly, the piston can only be pulled at most according to the speed, and if the phenomenon that the piston cannot be pulled back occurs, namely the blood vessel wall blocks the pipeline port, the piston continues to be pulled after being clamped for 1-2s (the blood vessel rebounds when being clamped, so that the piston can continue to be pulled); after the blood is stretched to be 20ml, the alarm is given and the piston stretching is stopped, meanwhile, the timer times the time required for pumping 20ml of blood, the required time is sent to the display screen 11 to be displayed, the maximum smooth blood flow speed value and the average smooth blood flow speed value of the pipeline are calculated and displayed on the display for reference.
The utility model discloses use screw drive mechanism to carry out at the uniform velocity hemospasia to the syringe as power, be favorable to improving the accuracy that the blood velocity of flow detected, moreover the utility model discloses simple structure convenient and practical.
The above description is for the detailed description of the preferred possible embodiments of the present invention, but the embodiments are not intended to limit the scope of the present invention, and all equivalent changes or modifications accomplished under the technical spirit suggested by the present invention should fall within the scope of the present invention.
Claims (8)
1. A blood flow velocity detector is characterized by comprising a base, a first supporting table, a second supporting table, two sliding rods, a screw rod and a sliding block, wherein the first supporting table and the second supporting table are respectively arranged at the left end and the right end of the top surface of the base; the first fixing device is positioned above the guide groove;
the two sliding rods are respectively and fixedly arranged between the first supporting table and the second supporting table and are arranged in parallel, the screw rod is rotatably arranged between the first supporting table and the second supporting table, the screw rod is positioned between the two sliding rods and is parallel to the two sliding rods, the sliding block is provided with two through holes matched with the sliding rods and a threaded hole matched with the screw rod, the sliding block is sleeved on the sliding rods and the screw rod, and the right side of the sliding block is provided with a second fixing device for fixing a piston handle of the injector; the motor is connected with the screw rod and used for driving the screw rod to rotate; the lead screw can make the slider slide along the slide bar direction.
2. The blood flow rate detector according to claim 1, wherein the first fixing means comprises a pressing block and two locking screws, the pressing block is disposed above the guide slot, one side of the pressing block facing the guide slot is in the shape of a concave arc, and two sides of the pressing block are respectively connected to the top surface of the second supporting platform through the locking screws.
3. The blood flow rate detector according to claim 2, wherein said second fixing means is a fixing buckle.
4. The blood flow rate detector of claim 1, wherein said motor is a stepper motor.
5. The blood flow rate detector according to claim 4, further comprising a single chip microcomputer, a timer, a speed sensor, a distance measuring sensor and an alarm, wherein the single chip microcomputer and the timer are disposed inside the base, the speed sensor and the distance measuring sensor are disposed on the top surface of the base, the alarm is disposed on the side surface of the base, the single chip microcomputer is respectively connected with the stepping motor, the timer, the speed sensor, the distance measuring sensor and the alarm, the timer is used for recording the running time of the stepping motor, the speed sensor is used for detecting the speed of the slider, the distance measuring sensor is used for measuring the moving distance of the slider, and the alarm is used for giving an alarm when the moving distance of the slider exceeds a certain range.
6. The blood flow rate detector according to claim 5, wherein a display screen is provided on a side of the base for displaying the blood drawing time and the blood drawing speed, and the display screen is connected to the single-chip microcomputer.
7. The blood flow rate detector according to claim 1, wherein the bottom surface of the base has supporting legs at four corners.
8. The blood flow rate detector according to claim 7, wherein said support leg is a telescoping leg.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920260078.5U CN210541534U (en) | 2019-03-01 | 2019-03-01 | Blood flow velocity detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920260078.5U CN210541534U (en) | 2019-03-01 | 2019-03-01 | Blood flow velocity detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210541534U true CN210541534U (en) | 2020-05-19 |
Family
ID=70666665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920260078.5U Expired - Fee Related CN210541534U (en) | 2019-03-01 | 2019-03-01 | Blood flow velocity detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210541534U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112426580A (en) * | 2020-12-10 | 2021-03-02 | 余友利 | Novel enemator for enterostomy patient |
-
2019
- 2019-03-01 CN CN201920260078.5U patent/CN210541534U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112426580A (en) * | 2020-12-10 | 2021-03-02 | 余友利 | Novel enemator for enterostomy patient |
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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: 20200519 |
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| CF01 | Termination of patent right due to non-payment of annual fee |