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  • Indenting Supplies at a DMC

    Learning Objectives

    The 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

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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

  1. Training Modules for Programme Managers and Medical Officers.
  2. 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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