supply of vacutainer needle with visibility of blood entry 21g for multi-sample collection size of the needle should be 21g x 1 inch (gauge: 21g length: 1 inch./25 mm)vacutainer needle with visibility of blood entry 21g for multi-sample collection size of the needle should be 21g x 1 inch (gauge: 21g length: 1 inch./25 mm),srphc346350-vacutainer needle with visibility of blood entry 21g for multi-sample collection should have t he following specifications: 1). the designing of the needles should be such that it can able to minimize the pre- analyti cal variability throughout the specimen collection and handling process to ensure reliable results and should be sui table for faster procedures. 2). the needles should be suitable for closed- system blood collection i.e drawing blood directly from the vein into vacuum collection tubes to prevent exposure of atmosphere. 3). the needles should be suit able for multi- sample collection.4). needles should be sterile double-ended with a sleeve covered safety valve for us e with vacutainer tube holder and vacuum blood collection tubes. 5). size of the needle should be 21g x 1 inch (gauge: 21g length: 1 inch./25 mm).6) needle design should provide instant confirmation of needle placement through visual fla shback indication.7). there should be a chamber or similar arrangement at the needle junction for easy visual confirmation of blood flow entry.8). needle should have low-angle bevel design and should be coated with silicone/ si milar low friction lubricant coating to ensure gentle and smooth vein entry (for smooth painless pricking to the patie nts 9). the firm should provide certificate of compliance report for every batch and material used for making the need le and sterilization of the needle should comply with iso standards.10). the product should be bis/iso/ce/us fda certifi ed and should produce the certificate while quoting in the tender.11). the firm should supply suitable needle holders along with the needle supply and also should submit adequate sampling material for checking suitability & for validati on verification of product unit:no the item may be supplied with brand: vaku-8 bcn 21g/bd/berpu or similar [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ] achd/surg.store/rh/per, sr tamil nadu 47311.00 numbers acms/drug stores/rh/pgt, sr kerala 21875.00 numbers