Ophthalmic & surgical devices · manufacturing and export
Wound closure

Absorbable sutures

Absorbable sutures are broken down and absorbed by the body over time, giving temporary wound support without a removal visit. Our range covers synthetic and natural materials, braided and monofilament, across rapid, standard and extended absorption profiles.

The background

What absorbable sutures are

An absorbable suture holds the wound while the tissue heals and is then broken down and absorbed by the body, so it does not have to be taken out.

Synthetic absorbable sutures are absorbed mainly by hydrolysis — water breaking the polymer chain down at a rate set by the chemistry. Natural absorbables such as catgut are broken down enzymatically instead, which is why their behaviour varies more from patient to patient.

They come as braided multifilaments, which handle supply and hold a knot well, and as monofilaments, which pass through tissue with very little drag.

BRAIDED MULTIFILAMENT
MONOFILAMENT

Choosing an absorption profile

Absorbable sutures differ in two separate ways: how long they keep their tensile strength, and how long they take to disappear. We describe the first as rapid, standard or extended.

The right profile follows the tissue. Mucosa and skin that heal in days do not need a strand that holds for two months; fascia and slow-healing tissue do.

Range and sizes

The range spans U.S.P. sizes for a wide variety of procedures, in braided and monofilament constructions, with a choice of needle configurations. Selection of material, size and needle rests with the operating surgeon.

The range

The absorbable suture range

Synthetic and natural absorbable sutures — polyglactin, PGA, poliglecaprone, polydioxanone and catgut — that lose tensile strength predictably and are absorbed by the body.

Polyglactin 910SRB Lactron

A braided, coated synthetic absorbable suture made from a copolymer of glycolide and L-lactide, for soft tissue approximation and ligation. Predictable hydrolytic absorption with smooth tissue passage.

BraidedStandard absorptionCoated
Polyglactin 910, fast absorbingSRB Lactron Rapid

The fast-absorbing form of Polyglactin 910 — braided and coated — for closures that need only short-term wound support, where the strand should be gone as soon as the tissue is holding on its own.

BraidedRapid absorptionCoated
Polyglycolic acid (PGA)SRB Glycron

A synthetic, braided, coated absorbable suture of 100% polyglycolic acid, engineered for smooth tissue passage, high tensile-strength retention and predictable hydrolytic absorption.

BraidedStandard absorptionCoated
Poliglecaprone 25SRB Caprone

A monofilament synthetic absorbable suture from a glycolide–caprolactone copolymer, offering very smooth tissue passage and low tissue reactivity — a natural choice for subcuticular closure.

MonofilamentStandard absorption
Polydioxanone (PDO)SRB Dioxon

A synthetic monofilament of poly(p-dioxanone), absorbed by hydrolysis, delivering extended tensile-strength retention where the repair needs support for longer than a braid can give it.

MonofilamentExtended absorption
Chromic catgutSRB Chromgut

A natural absorbable suture of purified collagen treated with chromium salts, which lengthens the absorption profile for general soft-tissue approximation and ligation.

NaturalMonofilamentEnzymatic absorption
Plain catgutSRB Plaingut

A natural absorbable suture made from intestinal submucosa, with smooth tissue passage and dependable knot security for general, obstetric, gynaecological and gastro-intestinal closure.

NaturalMonofilamentRapid absorption
How long each material holds

Strength retention and absorption are two different clocks

A suture stops carrying load well before it leaves the body, so the two are quoted separately: residual tensile strength over the first weeks, and the completion of absorption after that.

Residual tensile strength and stated absorption
SutureMaterial7 d14 d21 d28 d90 dAbsorption complete
SRB GlycronPolyglycolic acid96.1%83.3%53.8%19.95%60–90 days
SRB LactronPolyglactin 91094.1%74.9%49.1%26.7%56–70 days
SRB Lactron RapidPolyglactin 910, fast64%31.9%10.9%2.1%42 days
SRB DioxonPolydioxanone79.01%68.19%21.6%180–190 days
SRB CapronePoliglecaprone 2555%25%10%0%90–120 days

Approximate residual tensile strength after implantation, with absorption quoted separately. Figures derive from animal implantation studies and vary with tissue type and patient condition; the instructions for use supplied with the product is the controlled source. Catgut is not tabulated — its absorption is enzymatic and depends on tissue enzyme activity, so no retention figures are stated.

Compare

The range by material, structure and profile

Refer to each product for U.S.P. sizes, needle options and reference codes.

Absorbable range at a glance
SutureMaterialStructureAbsorption profile
SRB LactronPolyglactin 910BraidedStandard
SRB Lactron RapidPolyglactin 910BraidedRapid
SRB GlycronPolyglycolic acid (PGA)BraidedStandard
SRB CapronePoliglecaprone 25MonofilamentStandard
SRB DioxonPolydioxanone (PDO)MonofilamentExtended
SRB ChromgutNatural collagen (chromic catgut)MonofilamentStandard
SRB PlaingutNatural collagen (plain catgut)MonofilamentRapid
Applications

Where absorbable sutures are used

Anywhere the tissue will heal on its own timetable and a removal visit is either impractical or unnecessary.

  • General and gastrointestinal surgery
  • Obstetrics and gynaecology
  • Soft-tissue approximation and ligation
  • Subcuticular and deep-layer closure
Questions

Frequently asked

What does absorbable mean?

The suture is broken down by the body — by hydrolysis for synthetics, enzymatically for catgut — and absorbed, so it does not need to be removed.

How long do absorbable sutures last?

It depends on the material. Rapid profiles are largely gone in around six weeks; standard profiles complete absorption in roughly two to four months; polydioxanone extends to about six months. See the retention table above.

Are braided and monofilament both available?

Yes. Polyglactin 910 and PGA are braided and coated; poliglecaprone 25 and polydioxanone are monofilaments; catgut is a natural monofilament strand.

Do absorbable sutures need to be removed?

No — that is the point of them. Any part left exposed at the skin may be trimmed, but the strand itself is absorbed.

For healthcare professionals. Retention and absorption figures describe device characteristics under test conditions and are not a treatment recommendation. Selection of material, size, needle and technique rests with the operating surgeon.
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