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Catgut Sutures | ProgutChromic Suture


PROGUT - Catgut Sutures

Progut is the brand name of catgut sutures manufactured by Dolphin Sutures. Catgut suture a natural absorbable suture and is obtained by longitudinally slitting the intestinal submucosa of sheep and goat, twisting the ribbons and joining them in wet condition giving monofilament finish.


Catgut chromic sutures are absorbed by enzymatic hydrolysis and starts loosing tensile strength from 18-21 days on implantation.


Catgut sutures are treated with chromic salt to enhance absorption period and reduce any adverse tissue reaction.


Catgut sutures are available in dark brown colour. Sterilized by sterilizing fluid containing EO, isopropyl alcohol and distilled water.


Also available:- Catgut Plain Sutures


   Instructions for Use


  • Catgut Sutures are naturally absorbable sutures.
  • Catgut Chromic Sutures are treated with chromic salt and the suture colour is dark brown.
  • Catgut Chromic Sutures are available from U.S.P. size 2 to size 4-0.
  • Catgut Sutures are made from longitudinally slitting the intestinal submucosa of sheep and goat followed by a process of twisting and polishing giving the sutures a virtually monofilament finish.
  • Catgut Chromic Sutures absorb by simple enzymatic hydrolytic mechanism and absorption is not as predictable as in synthetic sutures. Catgut sutures tend to absorb faster in infected tissues.
  • Catgut Chromic Suture retains about 50% of the initial tensile strength after 21 – 28 days of implantation and the suture is essentially absorbed within 90 days.
  • Progut sutures pass through tissues smoothly and also exhibit good knot security.
  • Progut sutures have excellent tensile strength and needle attachment strength.
  • Progut sutures are available with needles made from 300 series alloy steel for superior strength, sharpness and performance.
  • Progut sutures are available at very economical prices.

Brand name: PROGUT ®

Material: Catgut Chromic

Surgical catgut suture is a sterile absorbable suture composed of purified connective tissue (collagen) derived from the submucosal layer of sheep (Ovine) and goat intestine. Progut ® is a material which has been tanned by a treatment with chromium salt in the trivalent form and with oxidized pyrogallol to prolong its resistance to absorption and to colour the material dark brown. Progut ® is available in a range of gauge sizes and length. It is also available in the standard manner which is a non needled form and the other is a needled suture in which a stainless steel needle is attached to the suture. The surgical suture is packed in a sterilizing fluid which contains isopropanol, water, sodium benzoate and 0.40 -0.45% of ethylene oxide. Progut ® complies with the United States Pharmacopoeia for “Absorbable Surgical Suture”.   

Progut ® is for use in general soft tissue approximation and/or ligation, including use in ophthalmic procedures.

Sutures should be selected and implanted depending on the patient condition, surgical experience, surgical technique and wound size.

When Progut ® suture is implanted, a moderate tissue inflammation occurs which is a characteristic of a foreign body response. Loss of tensile strength and loss of suture mass follows as the proteolytic enzymatic digestive process resorbs the surgical catgut. Due to inherent variability of a natural material, figures for the strength loss and absorption following implantation are for guidelines only. Effective strength is usually lost by 21 – 25 days and absorption is essentially completed by 90 – 100 days. In humans, various factors may affect the tensile strength loss and rate of absorption. Two major factors are:
Infection: Progut ® is absorbed more rapidly in infected tissues than in non infected tissues.
Tissue sites: Progut ® is absorbed more rapidly in tissues where increased levels of proteolytic enzymes are present, as in the secretions from the stomach, cervix and vagina.

Contra indications:
These sutures, being non absorbable, should not be used where extended approximation of tissues under stress is required. Progut ® is contraindicated for use in cardiovascular and neurological tissues. Progut ® is contraindicated in patients with known sensitive or allergies to collagen or chromium since Progut ® is a collagen based which has been treated with chromic salt solutions.

Warnings/ precautions:
Users should be familiar with handling and knotting techniques involving catgut sutures before using this material for wound closure, since the risk of wound dehiscence may vary with the site of application and the type of suture used. Surgeons should consider the invivo performance of the catgut when selecting this suture. This suture may be inappropriate in elderly, malnourished patients or in patients suffering from conditions which may delay wound healing. As an absorbable suture, Progut ® acts transiently as a foreign body. As with any foreign body, prolonged contact of any suture with salt solutions, such as those found in urinary or bilary tracts may result in calculus formation. Acceptable surgical practice should be followed for the management of contaminated of infected wound. As with all absorbable suture material, the use of supplemental non absorbable sutures should be followed for the management of contaminated or infected wounds. As with the absorbable suture materials, the use of supplemental non – absorbable sutures should be considered by the surgeons in the closure of sites which may undergo expansion, stretching or distension or which may require additional support. Some patients may be hypersensitive to collagen or chromium and may develop immune reaction. Under some circumstances, notably orthopedic procedures, immobilizations of the joints by external support may be employed at the discretion of the surgeons. Consideration should be taken in the use of absorbable sutures in tissue with poor blood supply as suture extrusion and delayed absorption may occur.
In handling catgut suture care should be taken to avoid damage. Avoid crushing or crimping damage due to application of surgical instrument such as forceps or needle holders. Adequate knot security requires the standard surgical technique of flat and square ties with additional throws as indicated by surgical circumstances and the experience of the surgeon. Avoid unnecessary tension while when running down the knots, to reduce the occurrence or surface fraying and weakening of the strand. Care should be taken when opening the pack as it contains sterilizing fluid.
Care should be taken to avoid damage while handling the needles. Grasp the needle in an area one third to one half of the distance from the attachment end to the point. Grasping in the point area could impair the penetration, performance and cause fracture of the needle. Grasping the butt or the attachment of the needle may cause needle bending or breakage. Reshaping the needles may cause them to loose the strength and be less resistant to bending and breaking. Users should exercise caution when handling surgical needles to avoid inadvertent needle stick injury. Discard the used needles in sharp containers.

Adverse reaction:
Adverse reactions associated with the use of the device include allergic response in certain patients, transient local irritation at the wound site, followed by moderate transient inflammatory foreign body response. Like all foreign body catgut may enhance an existing reaction.

Progut ® sutures are sterilized by ethylene oxide. Don’t re-sterilize! Do not use if the pack is opened or damaged! Discard unused sutures!

Store in a cool and dry condition. Do not use after expiry date.

Symbols used on the labels:



  • Catgut Chromic sutures are individually packed in a primary medical grade paper folder
  • Individually packed sutures are then packed in a tear-open aluminum foil containing Iso Propyl Alcohol and distilled water
  • Aluminum foils are further packed in a secondary medical grade paper pouch laminated with polyester laminated poly film
  • Sutures are further packed in small cartons made from premium 320 GSM Cyber XLPac in 12 suture pack
  • Boxes are further laminated in tamper proof film to protect it from dirt/dust
  • Further, the sutures are packed in an export worthy 7 ply master carton which can accommodate 100 boxes ( 70 x 30 x 30 cms) - weighing up to 9 to 10kg and 200 boxes ( 70 x 29 x 59 cms) - weighing up to 18kg