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Indenting Supplies at a DMC
Learning ObjectivesThe learner will be able to
- Outline responsibilities for indenting supplies at a DMC
- Calculate consumables required at DMC for smear examination
- Prepare request for laboratory consumables and reagents in monthly reports and
- Describe the indenting process for supplies at a DMC
The Medical Officer (MO) of Designated Microscopy Centre (DMC) is responsible for determining the amount of reagents and other materials the DMC needs every month.
The Senior TB Laboratory Supervisor (STLS) will make sure these supplies are distributed in a timely manner, usually on a monthly basis or as and when required.
- STLS place an order for DMC reagents and consumable four times a year based on the approximate number of sputum specimens the laboratory examined in the previous quarter.
- The STLS should order the sputum containers during the first week of the quarter so that the health units and microscopy laboratories have enough sputum containers to collect sputum specimens and the microscopy laboratories have enough slides to conduct sputum smear examinations.
The calculation of reagents/ consumables required for examination of 3000 smears is shown in Table 1.
| Reagents/ Equipment for staining | Quantity |
| Binocular microscope with 10x, 40x and oil immersion objective (100x) eyepieces (10x) and spare bulbs and fuses |
At least 1 per DMC |
| Plastic disposable sputum containers | 3,300 |
| Slides for microscope, 25*75 mm, 1.1 mm-1.3 mm Thick |
3,300 |
| Broom stick 10 cms length | 3,300 |
| Diamond marker pencil | 3 number |
| Timer, 30 or 60 minutes | 1 number |
| Forceps, Chitel forceps stainless steel for slides 15 cm | 1 number |
| Scissors, 25 cm stainless steel | 1 number |
| Slide rack, Staining slide rod of metal or plastic or glass for 12 slides | 2 numbers |
|
Slide boxes, For 100 slides |
33 boxes + 2 per DMC for RBRC |
| Tissue rolls | 4 numbers |
| Marker pen | 12 |
| Absorbent cotton, 500 gms/ roll | 4 numbers (2 k.g) |
| Pressure cooker, For disposal by autoclaving | Optional |
| Phenol with concentration mentioned on the bottle | 80 litres |
| Methylated spirit | 3 litres |
| Cotton, full sleeves aprons | 2 |
| Disposable gloves, 6 and 8 inches (box of 25 pairs) | 12 boxes |
| Spirit lamp with wicks | 1 number |
| Metal wire, for swab for heating Carbol fuchsin | 1 number |
| Sputum specimen transport box, Insulated box, made of plastic 10” x 10” x 10”, thickness 1” with lid, handle and nylon belt 1” width 2.5 feet length, nylon strap of 1” width 2 feet length with Velcro to strap the lid of the box from side to side. |
2 numbers |
Table 1: Calculation of Consumables Required at DMC for Examination of 3000 Smears; Source: Training Modules for Programme Managers and Medical Officers
- The monthly report on Programme Management, Logistics and Microscopy at the Peripheral Health Institution (PHI) level are filled by DMCs which are PHI as shown in Table 2.
Laboratory Consumables (To be filled in by only PHIs which are a DMC)
| Item | Unit of Measurement | Stock on first day of Month | Stock received during Month | Consumption during Month | Stock on last day of Month | Quantity requested |
| Sputum containers* | Nos. | |||||
| Universal containers for C & DST | Nos | |||||
| Slides | Nos. | |||||
| Carbol Fuchsin (1% solution) | Litres | |||||
| Methylene Blue (0.1% solution) | Litres | |||||
| Sulphuric Acid (25% solution) | Litres | |||||
| Phenolic solution(for disinfection-~40% pure solution) | Litres | |||||
| Immersion oil/Liquid Paraffin (Heavy) | mL | |||||
| Methylated Spirit | Litres |
* PHIs that are not a DMC, but have been supplied with sputum containers, should complete this row.
Table 2: Request for Laboratory Consumables and Reagents in monthly reports from PHI which are DMCs; Source: Monthly Report on Programme Management, Logistics and Microscopy Peripheral Health Institution Level
- The DMC reagents and consumables are budgeted in the District Annual Action Plan under laboratory materials as per the amount permissible based on District Performance in the last four quarters.
- Procurement planned during a financial year is based on last year’s specimen processed/ slides examined and amount spent for purchase of lab material for smear microscopy.
Resources
- Training Modules for Programme Managers and Medical Officers.
- Monthly Report on Programme Management, Logistics and Microscopy
Peripheral Health Institution Level (https://tbcindia.gov.in/showfile.php?lid=3055)
Assessment
| Question | Answer 1 | Answer 2 | Answer 3 | Answer 4 | Correct answer | Correct explanation | Page id | Part of Pre-test | Part of Post-test |
| The MO of the DMC is responsible for determining the amount of reagents and other materials the DMC needs every month. | True | False | 1 | The MO of DMC is responsible for determining the amount of reagents and other materials the DMC needs every month. | Yes | Yes |
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