DynaMesh-IPST

3D Funnel
The device has a passage point with a connected funnel for the passage of the intestine. The base area of the device must be positioned in contact with the tissue, as flat and smooth as possible, with the funnel pointing in the direction of the abdominal cavity.
When selecting the device, the diameter of the passage point should be chosen so that the intestine is tightly sheathed in the funnel.

Prefabricated Slit & Smooth Warp-Knitted Selvedges
Only DynaMesh®-IPST-R and DynaMesh®-IPST-R visible have a one-sided slit along the funnel and the base area (mesh flaps), starting from the passage point.
During positioning, the tight sheathing of the intestine in the funnel is achieved through appropriate overlapping of the mesh flaps with non-absorbable closure of the aperture.

Specifications

Product	DynaMesh®-IPST (1) DynaMesh®-IPST visible (2) DynaMesh®-IPST-D visible (3) DynaMesh®-IPST-R (4) DynaMesh®-IPST-R visible (5)
Surgical Treatment	Parastomal Hernia (Repair / Prevention) (1) – (3) / (Repair) (4) (5)
Surgical Approach	Minimally Invasive / Open
Surgical Technique	Chimney Technique
Mesh Position	Intraperitoneal
Fixation	Suture / Tacks / No Fibrin Glue
Green Filament Ends
Smooth Warp-Knitted Selvedges	(1) – (3) /  (4) (5)
Visible Technology	(1) (4) /  (2) (3) (5)
Materials	– Polyvinylidene fluoride (PVDF) (CAS 24937-79-9) > 85% (w/w) (1) – (5) – Polypropylene (PP) (CAS 9003-07-0) < 13% (w/w) (1) – (5) – Phthalocyanine green (CAS 1328-53-6) < 1% (w/w) (1) – (5) – Triiron tetraoxide (CAS 1317-61-9) < 1% (w/w) (2) (3) (5)
Polymers (Monofilament)	PVDF, PP
Biocompatibility	[TR1]
Ageing Resistance	[2A, 5VIT, 27A, 52VIT, 93A, 101]
Effective Porosity	High effective porosity reduces inflammation and the risk of excessive scar formation. [103P, TR71]
Klinge’s Mesh Classification	Class 1a [102P, TR71B]

	Applies to all product sizes
	Does not apply
[#]	Reference “#” (see “References”)
[TR#]	Internal test report (see “internal test report references”)
Limitations	“A” animal trial, “B” bench test, “VIT” in-vitro trial, “P” published results based on the analysis of human mesh explants, “PB” published results mainly based on bench tests

DynaMesh®-IPST implants ^(1)-(5) must be inserted via an appropriate minimally invasive or open approach and must be placed intraperitoneally.

DynaMesh®-IPST implants ^(1)-(5) have a parietal side and a visceral side. The parietal side is identified by green filament ends and consists of PVDF on the surface and a small proportion of PP, whereas the visceral side consists of PVDF on the surface.

When using DynaMesh®-IPST-D visible ⁽³⁾, attention must be paid to the side specificity (left-sided/right-sided stoma), through which a particularly large overlap in a cranial as well as in a medial direction is ensured.

When positioning DynaMesh®-IPST-R and DynaMesh®-IPST-R visible ^{(4) (5)}, the tight sheathing of the intestine in the funnel is achieved through appropriate overlapping of the mesh flaps with non-absorbable closure of the aperture

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