Life Sciences – Medical Devices

Ostomy and Urine Bag Vents

Innovative Technologies for Safe and Hygenic Devices

Maximize Comfort and Hygiene of Ostomy and Urology Care Devices

Porex specializes in designing and developing customized solutions to enhance the comfort and hygiene of ostomy and urology care devices. Our range of hydrophobic vents and filters for urine collection products and ostomy bags are meticulously crafted to meet the needs of device manufacturers. With our expertise in solving medical device design challenges related to wicking, venting, and filtering, we help our customers address their patients’ needs with dignity, comfort, and impeccable hygiene.

Our ostomy and urology care solutions offer numerous benefits for both patients and manufacturers. Our hydrophobic and design-optimized vents control leakages, gases, and water penetration in ostomy bags and urine collection products, ensuring reliable performance and peace of mind. We also provide design-customized solutions to aid in optimal device design and enhance patient comfort and quality of life.

Ostomy Bag Vents

POREX Virtek® PTFE ostomy bag vents are designed with patient comfort in mind. Featuring high water entry pressure and airflow, these hydrophobic vents enable stoma product manufacturers to create products that enhance the lives of ostomy patients. With various designs and odor control functionalities, our ostomy bag vents effectively control leakages, gases, and water penetration. Additionally, the continuous venting POREX® ostomy material contributes to patient-friendly ostomy products.

Options for customizing ostomy bag vents

Key Features & Benefits

Control leakages, gases, and water penetration
Improve patient lifestyle with continuous venting
Can be designed with odor control technology
Free of PFOA: Compliant with (EC) 1907/2006 REACH / Regulation (EU) 2019/1021 POP

Material Options

PET Track-Etched Membranes unlaminated
PET Track-Etched Membranes laminated with PET/ PP non-woven material
Additional membrane materials available upon request

Item	Thickness mm Nominal	Typical Airflow I/hr/cm² at 70 mbar	Dry Filtration Efficiency^* >99.99%	BFE^** % Nominal	VFE^*** % Nominal	Typical WEP^**** mBar
MD10	0.13	107 (min 70)	0.5 µm	>99.99	†	270 (min 175)
MD10L	0.3	85 (min 48)	0.5 µm	>99.99	†	270 (min 175)
MD15	0.18	75 (min 45)	0.4 µm	>99.99	†	370 (min 265)
MD20	0.25	25 (min 16)	0.1 µm	>99.9999	>99.999	520 (min 350)
MD22	0.1	17 (min 5)	0.2 µm	>99.99	†	765 (min 500)
MD25	0.19	7 (min 2)	0.1 µm	>99.9999	†	1050 (min 750)

Oleophobic treatments available
^* According to IEST RP-CC007.2 2009
^** Bacterial Filtration Efficiency (BFE) data is based on a modified version of ASTM F2101
^*** Viral Filtration Efficiency (VFE), † Not tested but similar results to MD20 expected.
^**** WEP (Water Entry Pressure)
Properties are typical and not meant for specifications. Selected options and adhesives may affect properties. Complete testing data and information is available upon request – all exceeded the standard BFE value of 98% RoHS, WEEE, REACH Compliant (PFOA Free)

Urine Bag Vents

POREX Virtek PTFE urine bag vents provide an essential solution to prevent fluid leakage in urine collection systems. Designed for high-speed automated assembly processes, our vents offer superior performance. They exceed published BFE standards, prevent leakage while maintaining high airflow, and equalize pressure for uninterrupted urine flow. Manufactured with quality and compliance in mind, our urine bag vents are also free of PFOA, ensuring safety and regulatory compliance.

Options for customizing urine bag vents

Key Features & Benefits

Exceed published BFE standards
Prevent leakage while maintaining high airflow
Equalize pressure for uninterrupted urine flow
Free of PFOA: Compliant with (EC) 1907/2006 REACH / Regulation (EU) 2019/1021 POP

Material Options

PET Track-Etched Membranes unlaminated
PET Track-Etched Membranes laminated with PET/ PP non-woven material
Additional membrane materials available upon request

Item	Product	Typical Pore Size [µ]	Reinforcement material	Typical Airflow [L/h cm2 70mbar]	Water Entry pressure (≥WEP/[bar])	Thickness [µm]
MD10	Porex Virtek® PTFE Sintered Hydrophobic Membranes	>99.99% BFE Nominal	none	107 (min 70)	175	0.13
MD10L	Porex Virtek® PTFE Sintered Hydrophobic Membranes	>99.99% BFE Nominal	PP	85 (min 48)	175	0.3
MD15	Porex Virtek® PTFE Sintered Hydrophobic Membranes	>99.99% BFE Nominal	none	75 (min 45)	265	0.18
MD20	Porex Virtek® PTFE Sintered Hydrophobic Membranes	>99.9999% BFE, >99.999% VFE Nominal	none	25 (min 16)	350	0.25
MD22	Porex Virtek® PTFE Sintered Hydrophobic Membranes	>99.99% BFE Nominal	none	17 (min 5)	500	0.1
MD25	Porex Virtek® PTFE Sintered Hydrophobic Membranes	>99.9999% BFE Nominal	none	7 (mn 2)	750	0.19
eMD01LPP	Porex Virtek® PTFE Expanded Hydrophobic Membranes	0.1	PP	27 (min 15	5000	0.2
eMD01LPET	Porex Virtek® PTFE Expanded Hydrophobic Membranes	0.1	PET	18 (min 12)	5000	0.155
eMD022LPP	Porex Virtek® PTFE Expanded Hydrophobic Membranes	0.2	PP	33 (min 24)	4500	0.2
eMD022LPET	Porex Virtek® PTFE Expanded Hydrophobic Membranes	0.2	PET	30 (min 21)	4500	0.155
eMD045LPP	Porex Virtek® PTFE Expanded Hydrophobic Membranes	0.45	PP	48 (min 36)	2500	0.2
eMD045LPET	Porex Virtek® PTFE Expanded Hydrophobic Membranes	0.45	PET	42 (mn 30)	2500	0.155
eMD1LPP	Porex Virtek® PTFE Expanded Hydrophobic Membranes	1	PP	102 (min 72)	1000	0.2
eMD1LPET	Porex Virtek® PTFE Expanded Hydrophobic Membranes	1	PET	81 (min 60)	1000	0.155
eMD3LPP	Porex Virtek® PTFE Expanded Hydrophobic Membranes	3	PP	123 (min 96)	800	0.2
eMD3LPET	Porex Virtek® PTFE Expanded Hydrophobic Membranes	3	PET	114 (min 90)	800	0.155
eMD5LPP	Porex Virtek® PTFE Expanded Hydrophobic Membranes	5	PP	372 (min 312)	50	0.2
eMD5LPET	Porex Virtek® PTFE Expanded Hydrophobic Membranes	5	PET	354 (min 300)	50	0.155

Oleophobic treatments available
^** Bacterial Filtration Efficiency (BFE) data is based on a modified version of ASTM F2101
^*** Viral Filtration Efficiency (VFE),
Properties are typical and not meant for specifications. Selected options and adhesives may affect properties. Complete testing data and information is available upon request – all exceeded the standard BFE value of 98% RoHS, WEEE, REACH Compliant (PFOA Free)

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Using Porous Polymers for Venting

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