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, , , , , , , , , , , , , , , , – Abstract: Blood Collection Monitor is helpful for accurate blood collection, it’s a small instrument to supply smooth and delicate rocking of homogenous mixing with anti coagulant, we. e. with no clot development of blood vessels cells during collection of bloodstream from a donor.



LOOD COLLECTION MONITOR is an advanced device which is aimed to collect the blood prior to collection with usage of latest technology rather than earlier, insufficient, conventional methods i. electronic. without correct weight by making use of random movement. The main principle behind this project is definitely use of by artificial means provide rocking movement to blood and proper blending with anticoagulants. Also prohibit the blood circulation from subscriber when particular limit is definitely reached. I actually. e. 350ml or 450ml. This is done by load cellular and by comparing signal trigger the halting clamp is definitely activated.

As, sensing array of load cellular is in work volts, immediately the sign can be presented as input to the outlet because it will give you insufficient output. So , it can be required to become properly increased. So , the block diagram is designed taking into consideration this subject. Then contrasting it with reference signal which is determined by many trials. It triggers the grip and halts the rocking movement of plate when weight in blood handbag is offered. It is approximate to the real design nevertheless more function of the device by extra features like circulation detector, stream rate way of measuring etc .

Therefore , the component specifications could differ from the real one. fig 1 . blood vessels bag fig 2 . blood bag about plate of bcm installment payments on your , , , , , , , , , , , , , , , , – Dependence on project: As we all know that blood collection screen is very helpful for collection of appropriate blood, 2 weeks . compact device that provide soft and gentle rocking movement of homogeneous mixing up with anti-coagulant, so in modern life-style most of the doctors prefer these types of instrument for collection of bloodstream very effectively. Blood collection monitor is very helpful to donate blood. head wear happen in past that there’s no this sort of types of instruments were present so it is inaccurate randomly process intended for doctors to consider blood from the donor and also sometimes improper mixing with anti coagulant lead to spend the beneficial donated bloodstream that process may not useful to accurately blood vessels collection. By making use of this modern day instrument it is extremely easy for doctors to take blood from the donor, and through this instrument may also essential less efforts. Collection of blood vessels accurately and safely. a few. , , , , , , , , , , , , , , , , – General block diagram AND SIGNAL DIAGRAM:

PREVENT DIAGRAME OFComparator CIRCUIT 5-PIN RELAY DC MOTOR GRIP MOMENT (OPEN/CLOSE) Blood Collection Monitor POWER AC DROITS INSTRUMENTATION AUGMENTER CIRCUIT POUNDS MEASUREMENT UNITS/LOAD CELL DC MOTOR rocking MOMENT OF TRAY BLOOD VESSELS Donor/BLOOD BAG CIRCUIT DIAGRAME OF Blood Collection Screen 5-PIN RELAY Each obstruct in briefly…… 1 . Power supply to give DC supply to ICs and other devices. 2 . Mechanical set up to apply rocking movement of plate. 3. Load cellular for blood bag excess weight measure. some. Instrumentation amplifier for enhance the transmission from load cell. five. Comparator to get obtaining stopping pulse to lock.. 5-pin relay to connect source to clamp when ever stop heartbeat is received. Modifications could be applied… 2. ADC- Analog-to- Digital Converter, Microcontroller, and display of weight. 5. Alarm circuit to indicating stopping functions. 4. , , , , , , , , , , , , , , , , – DETAILED DESCRIPTION OF EACH STOP: 5. 1 ) POWER SUPPLY: This can be a main stop in any from the electronic and also biomedical task. Its Primary function is usually to provide power excitation. 5. 2 . 1 ) COMPONENTS EMPLOYED: * IC 7812, 7912(+12V, -12 V) * IC 7805, 7905(+5V, -5V) 5. IC 7815, 7915(+15V, -15V) * diode for link rectifier (4) capacitors of 1000 micro farads, 60 volts (2) * capacitors of zero. 1 micro farads (2*4) * center tapped transformer 18-0-18 five. 2 . 2 . CIRCUIT PLAN: FIG 3. CIRCUIT DIAGRAM OF DC POWER SUPPLY (+/-5, +/-12, +/-15 V dc) 5. 2 . 3. WORKING OF OUTLET: The working on this circuit is very simple. Droit supply has to the 12-0-12 center-tapped transformer. Output of secondary winding is given for the bridge rectifier IC. In that case to get peak-to-peak outcome voltage transmission, capacitors are used. In lab-application, variable power supplies happen to be preferred. four. 2 . ROCKING movement of plate and weight messf�hler:

Whole assembly made such that one part of plate is joined with DC electric motor and U shaped bended rod which could able to drive and draw plate in one side as plate is definitely fixed with assembly from center capacity to DC electric motor lead rocking or sea show type movement which will we want. It truly is most important part of instrument because mixing bloodstream with anticoagulant properly. Fig 5. DC motor base connected to assemblage. Fig 4. assembly to provide rocking motion. Sensing weight of blood bag during donating the blood it is most important task since on this basis measuring, exhibiting, and further stopping of the flow of blood mechanism works.

To measure the blood excess weight we employed load cell as a sensor. In fill cell in accordance to change in weight input output in mill watt also improvements by using this standard principle pounds sensing is done. Load cell has in built connect balancing outlet with pounds sensor. Fig 8. Cantilever beam interconnection. Fig several. load cellular. Fig 6th. Internal outlet of weight cell. Fig 9. First data sheet by Rudra sensors. In respect to data sheet input 8-12dc watt given to cell and outcome in within millivoltags. Beneath is info sheet of load cell. 4. 2 . 1 . PIECES USED: 2. 12 watt DC electric motor Wooden and iron assemblage * Menu * doze volt dc supply four. 3. INSTRUMENTATION AMPLIFIER: This kind of block gives sensor result signal the sufficient hyperbole so as to travel further brake lines properly and without loading. Generally 3 Op-Amp instrumentation audio receivers are employed in biomedical tasks. As load cell sensory faculties in selection of mill v, we have to amplify it in of a thousand gain. Instrumentation amplifiers are actually made up of a couple of parts: a buffered augmenter OP1, OP2 and a differential amplifier OP3. The differential augmenter part can often be essential when measuring receptors.

Because a messf�hler produces a transmission between it is terminals. The buffered augmenter OP1 and OP2 not merely provides gain, but stops the sensor resistance from affecting the resistors inside the op amp circuit, and vice-versa! The gain can be calculated by: Where, R1=R3 and R5/R4 = R7/R6. (R5=RF). 5. Gain computations: Gain (A) = (1+ (2*(R1/R2))*(RF/R4) Currently taking A=1000 & diving a thousand as 500*2, 1+2R1/R2=2 2R1/R2=1 2R1=R2 Currently taking R2=2K, R1 =1K. At this point, RF/R4=500K R4=1K, RF=500K =1MOhm || 1MOhm = (1000000*1000000)/ (1000000+1000000) =500 K. 4. 3. 1 . COMPONENTS EMPLOYED: * IC OP07(3) Resistors of 1K (4 no’s) * Resistors of 2K (2 no’s) * Resistors of 1Mohm (2 no’s) * Power supply of doze Vdc four. 3. 2 . CIRCUIT PLAN: FIG. 12 CIRCUIT PLAN OF ARRANGEMENT AMPLIFIER 4. 3. a few. WORKING OF CIRCUIT: The instrumentation amplifier offers two useful functions: amplify the difference between advices and deny the transmission that’s popular among the inputs. The latter is named Common Method Rejection (CMR). OP1 and OP2 would be the two input amp’s and connected in the non-inverting follower configuration. Is it doesn’t solution to get the high gain and high type impedance.

Take note: This is of high gain signal so before soldering it upon GPB, connectivity check of all the components as per circuit plan twice about bread-board is advisable. Presently there may chances of unpredictable o/p due to IC saturation. 4. 4. COMPERATOR: It compares the type signal with reference signal. When type exceed by reference signal it gives confident saturation and negative vividness when lower than reference transmission. We are applying 1 watt as a reference point, as coming from experiment we get 1 volt output coming from instrument augmenter through fill cell underneath 350ml blood beg. 5. 4. 1 ) Components employed: 1 functional amplifier Op07 * Resistor 10k (3 no’s) 5. Protecting diodes (2 no’s) 4. four. 2 . ROUTINE DIAGRAM: FIG 11. CIRCUIT DIAGRAM OF COMPERATOR BY USING IC OP07 4. a few relay: Fig. 12 Standard relay construction A relay is an electrically operated switch. Many electrical relays use an electromagnet to operate a switching device mechanically, although other operating principles double. Relays are used where it is necessary to control a circuit with a low-power sign (with full electrical seclusion between control and handled circuits), or where several circuits should be controlled by simply one transmission.

Here in each of our applications operation is must switched coming from rocking movement to clamp operation. (As comparator detects particular weight in plate rocking movements ceases and grip activated. ) Fig13. Pin number diagram of 5pin relay 4. a few. 1 . PART USED: 2. 5 FLAG simple relay 4. 6th. Stopping grip: IV collection passing from clamp that restrict the blood flow coming from donor. Fig 14. Grip for minimize the blood circulation When comparator generates preventing pulse via 5 flag relay it offers supply to DC engine and on it is shaft rotation thread connected with clamp is going to pull and clamp is usually closed. Suggest that blood collection is completed.

Also disconnect supply from DC motor unit that leads stop rocking movement. Fig 15. In our task IV collection passing through clamp. In actual instrument this manner mechanism created by clamp type electromagnet as shown in figure. That pulsed simply by controller as magnet create the clamp force fully attract and it limit the further more blood flow from donor. some. 6. 1 ) COMPONENTS TO GET CLAMP DEVICE: 12volt power motor Plastic-type material clip, Thread, Rubber fold 5. , , , , , , , , , , , , , , , , – Application of task: The application of blood vessels collection monitor is very trusted in blood vessels bank and also in hostipal wards.

Now a day’s just about all hospital’s doctor prefer these instrument intended for accurate collection of blood. Through this device we can easily acquire the blood of donor and this instrument is also helpful in mixing the blood with anticoagulant and so blood does not clot as well as to collect the accurate sum of blood vessels. Also indicate flow charge from subscriber to bag and mistake in flow rate whether any blockage in subscriber vein regardless. Doctors and blood financial institution technicians prefer this device for the accurate variety of blood therefore we can declare its key application is in medical field and in hospitals. 6. , , , , , , , , , , , , , , , , Limitation: Blood collection monitor is a valuable instrument to get doctors so accurate pertaining to collection of blood so we all found zero any limitation in blood collection keep an eye on right now. Although ours is made for only 350ml blood collecting, as well as it has no any current weight display, stream indications. Ours angular rocking movement is slightly significant and dried meats. 7. , , , , , , , , , , , , , , , , – FUTURE GROWTH: * At a later date this instrument will be facilities with more important parameters just like flow charge, blood temp. Detector etc . Though motor unit used to rotate the plate not generating much noise but it really will be taken off in future. 2. Now a day’s BCM is one unit but in future it might facilities with some storage space of bag. (that will be more within mobile bloodstream bank) 2. In future whole assembly help to make by fiber that’s making instrument less heavy than present model. almost eight. , , , , , , , , , , , , , , , , – CONCLUSION: For Blood collection monitor we can say that it is useful instrument to get collection of blood accurately intended for doctors very safe for donors. And that’s why it can being more commonly used in most hospitals these day.

From my personal side I conclude that to design an individual unit of instrument can be not possible with no fundamental knowledge of electronics, managing, basic of basic principles and last but not the least persistence and faith in my work and durability. I also mention that repeated work on any circuit remove basic doughty and also working problem. My personal project as well teaches me the technical thoughts, individual relationship. on the lookout for. , , , , , , , , , , , , , , , , – Recommendations: * Books/manual/ Catalog: – * Manual of blood vessels collection monitor of bioastate pvt. Ltd. * Catalog of Rajas enterprise ltd. * SEARCH ENGINES LIKE GOOGLE: – www. google. com * WEBSITES: – 2. Google photos blood collection monitor. * www. biomedprogects. com 5. Visited bloodstream bank/industrial house: – 5. Guideline of Apollo clinic blood lender. * Rudra sensors Ahmadabad. 10. , , , , , , , , , , , , , , , , – cost of task: Item| Description| Quantity| Total| Electronics components| ResistorsCapacitorsVoltage regulator IC, OP-07| 15156, 4| ` 150/-| Load cell| -| 1| ` 950/-| Assembly| Solid wood and flat iron shaft mechanism| -| ` 240/-| Others supporting| GPB, core, linking leads| 4| ` 20/-| | | | TOTAL AMOUNT: ` 1, 360/-| , Thank you

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Topic: Blood vessels,

Words: 2198

Published: 03.20.20

Views: 209

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