Surgical nylon

D C Green No. 5 (13) Alizarine Cyanine Green F Cl Acid Green 25 [4403-90-1] 61570 nylon-6,6 and nylon-6 nonabsorbable surgical sutures only 0.6% (w/w) max... 

Nylon monofilaments have found application in brush tufting, wigs, surgical sutures, sports equipment, braiding and outdoor upholstery. Nylons 610 and 11 have found extensive application in these fields because of their flexibility but nylon 66 is also used for brush tufting less than 0.0035 in. in diameter. Nylon 66/610 copolymer is used in the manufacture of a monofilament for angling purposes. 

Nylons 6,6 and 6 are the ones usually employed as textile fibres. Where individual monofilaments are used, such as in brushes, sports equipment, or surgical sutures, nylons 6,10 and 11 tend to be used, because of their greater flexibility and water resistance. All nylons can be injection moulded and the resulting articles have found widespread use in engineering applications, such as bearings and gears. 

Nylon can be sterilised with steam so it is sued in hypodermic syringes and surgical accessories. Curtain runners, sinks, zips, combs and switches are manufactured from nylon. Extruded nylon is used in covering wire ropes, in packaging film for pharmaceuticals, bottles, tubing, etc. Nylon laminates are used for heavy duty driving belts. Monofilaments are used in brushes, sports equipment, surgical sutures, etc. Monofilaments are prepared from nylon 6, 10 or nylon 11. 

Of the remaining materials in Table IV, only Viton, neoprene rubber latex,poly(vinyl alcohol), butyl rubber, and butyl-coated nylon exhibited at least a 20-min breakthrough time forl,2 dichloro-ethane permeation to occur. The nitrile rubber latex, cement dipped nitrile rubber, polyethylene (medium density), and surgical rubber latex were all penetrated by 1,2-dichloroethane in less than 3 min and would be of little use in situations requiring the garment to be in constant contact with 1,2-dichloroethane. From the above, butyl rubber or Viton appear to be the best materials to protect the worker against 1,2-dichloroethane, but because of apparent lot-to-lot variations(20) in butyl properties, Viton appears to be the best suited material of these studies to protect the worker from this chemical. 

The big diameter LK was first introduced in the year 2000 by Vajpayee [50] for a use in the surgical treatment of sequelae due to comeal bums. Vajpayee has recorded the results of nine ocular operations. The intervention begins with a conjunctival peritectomy over 360°. The conjunctiva is reclined backwards. The recipient cornea is trepanned to a 12-13 mm diameter and to a 300 pm depth. The lamellar graft is sampled via a trepanation at 1.5 mm back to the limbus in order to include LSC. It is then sutured by 24 10/0 nylon stitches. Despite the limbus allograft, no immunosuppressive therapy has been prescribed. The operation was practiced about 30 months after the occurrence of the bum. Results are recorded after a 7.4 month observation. The visual acuity has improved in six cases. No recurrence of the comeal neovascularization and no... 

If it is necessary to excise part of the abdominal wall, it will be closed with continuous sutures, using 5-0 nylon surgical suture material prior to closing the outer skin using wound clips. 

Comments Indigo carmine is an indigoid dye used to color oral and topical pharmaceutical preparations. It is used with yellow colors to produce green colors. Indigo carmine is also used to color nylon surgical sutures and is used diagnostically as a 0.8% w/v injection. 

USE As dye in a functional kidney test in coloring nylon surgical sutures. As a reagent for the detection of nitrate, chlorate, and in testing milk. Approved by the FDA fnr use in food and ingested drugs Fed. Regist 48, 5252 (1982). 

Cellulose nitrate is derived from cellulose, a natural polymer. The first truly man-made plastic came 41 years later (in 1909) when Dr. Leo Hendrick Baekeland developed phenol-formaldehyde plastics (phenolics), the source of such diverse materials as electric iron and cookware handles, grinding wheels, and electrical plugs. Other polymers — cellulose acetate (toothbrushes, combs, cutlery handles, eyeglass frames) urea-formaldehyde (buttons, electrical accessories) poly(viryl ehloride) (flooring, upholstery, wire and cable insulation, shower curtains) and nylon (toothbrush bristles, stockings, surgical sutures) — followed in the 1920s. 

Besides film, other extruded applications of nylons are as monofilaments, which have found applications in surgical sutures, brush tufting, wigs, sports equipment, braiding, outdoor upholstery, and angling. 

Polyamides (nylons) (Uses drip-dry fabrics, cordage, braiding, bristles, and surgical sutures)... 

Formula 164 is a somewhat unusual specialty item for paper destruction. Formula 165 was developed by the author as FIC-2 for the XA2A parachute flare, the developmental predecessor of the Aft 24. The mixture is applied to several layers of surgical gauze. Originally, a solution of nylon was used as binder for this, as well as for a second expulsion and fire transfer disk of a somewhat different formulation containing a sizable percentage of tetranitrocarbazole CTNC). 

The polymer can be spun into an elastic yam of very fine denier. It is also claimed to exhibit good mechanical properties for molding and compares favorably with commercial polyesters and nylons. Also, polycaprolactone was reported to be used in some medical applications in biodegradable surgical sutures and postoperative support pins and splints. Similar uses are also found for two other polyesters, poly (lactic acid) and poly(glycolic acid). The two polymers form from their cyclic dimers by cationic ring-opening polymerizations with the aid of Lewis acids ... 

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