HyFin USMC Chest Seal Combo Pack - North American Rescue

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HyFin USMC Chest Seal Combo Pack

Name: HyFin USMC Chest Seal Combo Pack
Brand: North American Rescue
SKU: MEDTAC0337
Price: 15.99 USD
Availability: InStock

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SKU: MEDTAC0337

Type: Chest Seal

Vendor: North American Rescue

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PRODUCT INFORMATION

North American Rescue — Chest Seal

HyFin® USMC Chest Seal Combo Pack

One vented and one occlusive seal in a single resealable pouch — the configuration built for the clinical reality that entry and exit wounds may need different seals.

1× Vent + 1× Occlusive6″ × 6″ each2.9 ozRed-Tip Technology®

A through-and-through penetrating chest wound rarely presents two identical holes. The anterior entry may benefit from a vented seal that lets trapped air and blood escape; a posterior or debris-fouled wound may seal more reliably with a fully occlusive dressing.

So which seal do you reach for — when you only packed one type?

The USMC Combo answers that by carrying both. North American Rescue developed it for Marine Corps issue so a single package handles any penetrating thoracic presentation regardless of wound location or orientation. One HyFin® Vent (3-channel) and one HyFin® Occlusive, each deploying to a full 6″ × 6″, both on the enhanced hydrogel adhesive that grips bloody, sweaty, hairy skin.

Why This Configuration

Both Seal Types, One Pouch

Vented for the wound where air must escape; occlusive for posterior or debris-rich wounds. No decision penalty for carrying the wrong type.

Enhanced Hydrogel Adhesive

Aggressive hydrogel formulation maintains a seal on contaminated skin where standard adhesives release.

Red-Tip Technology®

Tear notch opens the foil one-handed under stress. Large red elliptical tab drives single-step, glove-on application.

Transparent Backing

See the wound during placement and monitor it afterward without lifting the seal.

What's in the Pack

Chest Seals

1× HyFin® Vent Chest Seal (3-channel)
1× HyFin® Occlusive Chest Seal (non-vented)
Both 6″ × 6″ deployed

Packaging

1× clear resealable pouch
Vacuum-sealed, low-cube
Total weight 2.9 oz

Vented Seal per CoTCCC 2024 TCCC Guidelines

The 2024 TCCC Guidelines direct that open and sucking chest wounds be treated with a vented chest seal first; if a vented seal is unavailable, a non-vented seal is applied while monitoring for tension pneumothorax. Carrying both types in one pouch satisfies that protocol without a resupply gap. Always monitor for developing tension after any seal placement.

Who Carries It

Combat medics / corpsmen — issued configuration for penetrating thoracic trauma

Tactical & LE medics — one-pouch answer for entry/exit wound pairs

IFAK builders — complete chest-seal capability in a single SKU

Build Out the Chest Kit

Pair with decompression and airway capability for a complete thoracic loadout.

+ ARS Needle DecompressionPair seal with decompression capability for tension pneumothorax.+ HyFin Vent Twin PackTwo vented seals when both wounds favor venting.+ IFAK KitsDrop this combo into a complete individual aid kit.

HyFin USMC Combo Pack

Both Seal Types. One Pull.

Genuine North American Rescue, shipped from a clinician-founded, veteran-led team.

1 Vent + 1 Occlusive6″ × 6″Fast Dispatch

Genuine North American Rescue

Sourced direct from North American Rescue.

Specifications

Manufacturer	North American Rescue
SKU (MED-TAC)	MEDTAC0337
Contents	1× HyFin® Occlusive + 1× HyFin® Vent + resealable pouch
Seal Dimensions	6″ × 6″ each (excl. tab)
Packaged Dimensions	9″ L × 5″ W × 0.2″ D
Total Weight	2.9 oz
Adhesive	Enhanced hydrogel — bloody / sweaty / hairy skin
Guideline Status	Vented seal type per CoTCCC 2024 TCCC Guidelines
U.S. Patent	7,504,549

When to Choose the USMC HyFin Chest Seal Combo Pack

USMC HyFin Chest Seal Combo Pack Contents (SKU: 85-1045):

1× HyFin Vent Chest Seal — 6 in. × 6 in., 3-channel pressure relief vents, large red elliptical tab
1× HyFin Chest Seal (Occlusive) — 6 in. × 6 in., fully occlusive, large red elliptical tab
1× Clear resealable outer storage pouch — both seals individually packaged within

Packaged: L 9 in. × W 5 in. × D 0.2 in. | Weight: 2.9 oz. Note: The USMC Combo Pack uses a clear resealable outer pouch — distinct from the standard HyFin Vent Twin Pack's perforated foil pouch. Both seals use enhanced adhesive technology. Made in America, 100% latex free.

USMC and SOF units running the vented/occlusive dual-seal protocol — the USMC standard treats the entry wound with the vented HyFin and the exit wound with the occlusive HyFin. The Combo Pack puts both in a single pull.
Through-and-through thoracic gunshot wound management — one package, one casualty, one complete chest wound treatment. No sorting through a kit for two different products under stress.
Medics and PJs requiring protocol-correct seal types in one unit — pull one clear-pouch package, apply in sequence (vented to entry, occlusive to posterior/exit), done.
IFAK builds for units specifying the vented + occlusive protocol — single part number (85-1045) covers both seal requirements; simplifies procurement and eliminates the risk of pulling two same-type seals from a kit under stress.

Application sequence: 1. Apply HyFin Vent (vented, with valve dome) to the ENTRY wound — anterior chest, accessible for valve monitoring during transport. 2. Apply HyFin Chest Seal (occlusive) to the EXIT wound — posterior chest, where blood pooling can occlude a vented valve on a supine patient. 3. Reassess respiratory status continuously.

Visual identification: The vented seal has a visible valve dome in the center — look for it. The occlusive seal is flat across the entire surface. Confirm which is which before applying — do not apply them reversed.

USMC Combo Pack vs. Common Alternatives

USMC Combo Pack (85-1045) vs. HyFin Vent Twin Pack (10-0037): Twin Pack = two identical vented seals in a perforated foil pouch. USMC Combo = one vented + one occlusive in a clear resealable pouch. Choose based on your unit's dual-seal protocol: vented/vented vs. vented/occlusive. The resealable clear pouch on the USMC Combo allows visual inventory check without opening.

USMC Combo Pack vs. buying HyFin Vent + HyFin Chest Seal separately: The Combo Pack is one SKU (85-1045) for two matched seals in a single pouch. Buying individually requires two SKUs on your gear list and separate staging. The Combo Pack eliminates the sorting step and confirms correct product pairing at the packaging level.

USMC Combo vs. standard NAR HyFin Chest Seal Combo Pack: NAR lists a standard "HyFin Chest Seal Dressing — Combo Pack" in addition to the USMC-designated version. The USMC Combo Pack (85-1045) uses a clear resealable pouch; verify packaging type if ordering for a specific protocol.

USMC Combo vs. HyFin Vent Compact Twin Pack (10-0042): Compact Twin = two smaller vented seals (4.75 × 4.75 in.) for space-constrained kits. USMC Combo = two standard-size seals (6 × 6 in.) of different types. Not interchangeable — different products for different protocols.

Frequently Asked Questions

Q: Why is one seal vented and one occlusive in the same pack?

A: The USMC chest wound treatment protocol specifies: vented seal on the entry wound (anterior, accessible, valve can be monitored during transport) and occlusive seal on the exit wound (posterior, patient supine, where blood pooling can block a vented valve). The Combo Pack puts the two protocol-correct seals in a single package, eliminating any chance of pulling mismatched seals under stress.

Q: How do I visually tell the vented from the occlusive seal?

A: The HyFin Vent has a raised valve dome visible in the center of the seal. The HyFin Chest Seal (occlusive) is completely flat with no dome or valve structure. Confirm which is which before peeling the backing — confirm vented goes to the entry wound, occlusive to the exit wound.

Q: Can I use this if my unit doesn't run the USMC protocol?

A: Yes. Any provider who wants one package covering both vented and occlusive chest wound management benefits from the Combo Pack. If your protocol specifies vented for both entry and exit, order the HyFin Vent Twin Pack (10-0037) instead.

Q: Is there an NSN for the USMC Combo Pack?

A: An NSN was not listed on the current NAR product page for this item. Contact MED-TAC at orders@tactical-medicine.com for current procurement documentation — we can verify the latest NSN or procurement channel for USMC Combo Pack orders. MED-TAC is SDVOSB-certified.

Q: Does the clear resealable pouch affect the individual seal shelf life?

A: The clear resealable outer pouch is a storage organizer — both seals inside are individually sealed in their own Red-Tip Technology foil packaging. The individual foil seal packaging is what protects shelf life. The clear outer pouch does not affect shelf life as long as the individual foil packages remain sealed.

Related searches: HyFin USMC chest seal, vented and occlusive chest seal combo, North American Rescue chest seal, penetrating chest wound seal, entry exit wound seal, 6x6 chest seal, CoTCCC vented chest seal, USMC combo pack

All products sourced direct from North American Rescue. CoTCCC recommendation status verified where applicable. Ships from MED-TAC International, Pembroke Pines, FL — clinician-founded, veteran-led, SDVOSB-certified.

SPECS & MEASUREMENTS

Specifications coming soon. Contact us for detailed product information.

CLINICAL RATIONALE

Chest Seals in Thoracic Trauma

Chest seals are critical life-saving tools for treating open chest wounds (sucking chest wounds) that disrupt the negative pressure needed for normal breathing.
When air enters the pleural space through a penetrating injury, it prevents the lung from fully expanding and may lead to a tension pneumothorax — a life-threatening condition if not addressed promptly.
Properly applied chest seals restore intrathoracic pressure balance and allow the injured lung to re-expand, buying vital time until definitive care or decompression is available.

1. Vented Chest Seals

Clinical Rationale (Vented):

Vented chest seals feature one-way valves or channels that allow trapped air and fluids to escape from the chest cavity while preventing further air entry.
This controlled venting mechanism reduces the risk of developing a tension pneumothorax and is recommended by the Committee on Tactical Combat Casualty Care (CoTCCC) for most open thoracic injuries when the vent remains unobstructed.
In tactical and emergency medical settings, vented seals maintain proper intrathoracic pressure dynamics and help stabilize respiration during evacuation.

Allows air and blood to escape while blocking additional air entry
Recommended by CoTCCC for most penetrating chest wounds
Prevents progression to tension pneumothorax
Effective during movement and transport phases

2. Non-Vented Chest Seals

Clinical Rationale (Non-Vented):

Non-vented chest seals provide a fully occlusive barrier that prevents any external air from entering the pleural cavity.
These are preferred when environmental factors — such as dust, debris, heavy clothing, or complex wound locations — could obstruct a vent or prevent it from functioning properly.
Non-vented models are especially effective when there are multiple wounds or when both sides of the chest are compromised.

Creates an airtight seal to stop further air intrusion
Ideal for contaminated or complex wound environments
Preferred for posterior or multiple thoracic injuries
Simple and reliable under stress conditions

3. Twin Pack / Dual Application

Clinical Rationale (Twin Pack):

Twin chest seal packs are designed for simultaneous coverage of entry and exit wounds or multiple penetrating thoracic injuries.
Applying seals to both anterior and posterior wounds prevents air intrusion from either side and ensures consistent intrathoracic pressure stabilization.
This configuration allows medics and responders to treat through-and-through injuries quickly and efficiently without improvisation.

Enables rapid treatment of entry and exit wounds
Maintains consistent chest pressure across both sides
Optimized for tactical and prehospital trauma management
Reduces need for multiple packages or improvised seals

4. Training Chest Seals

Clinical Rationale (Training):

Training chest seals replicate the adhesive strength and venting design of operational models using non-sterile materials.
They are intended for classroom, simulation, and scenario-based instruction, allowing responders to practice correct placement, adhesion, and vent inspection without wasting live medical gear.
Consistent repetition with realistic trainers develops muscle memory and speed during actual trauma incidents.

Simulates vented or occlusive seal behavior for realistic training
Promotes correct placement and adhesion technique
Preserves sterile operational supplies
Ideal for EMT, tactical, and civilian responder courses

Clinical Summary

Chest seals play a pivotal role in preventing death from tension pneumothorax, one of the leading causes of preventable trauma mortality.
Both vented and non-vented designs serve distinct operational needs, while twin and training packs ensure preparedness across all care phases — from education to battlefield or civilian emergencies.

Vented: Allows controlled egress of trapped air; standard CoTCCC-recommended choice.
Non-Vented: Fully occlusive; best for debris-rich or posterior wound sites.
Twin Pack: Provides coverage for through-and-through injuries.
Training: Non-sterile practice tool for skill retention and readiness.

By re-establishing chest wall integrity and controlling air movement, chest seals restore lung expansion and stabilize respiratory mechanics until advanced medical care is available.

FREQUENTLY ASKED QUESTIONS

What is included in the HyFin USMC Chest Seal Combo Pack?

The USMC HyFin Chest Seal Combo Pack contains three items: one HyFin® Occlusive (non-vented) Chest Seal, one HyFin® Vent Chest Seal with 3-channel pressure-relief vents, and one clear resealable storage pouch. Both seals deploy to 6" × 6" and weigh a combined 2.9 oz. The combo addresses the standard of care for penetrating chest trauma — treating both entry and exit wounds simultaneously — while providing the option of deploying different seal types based on wound location.

Why does the USMC Combo include one vented and one non-vented seal?

Penetrating thoracic trauma often creates both an entry and an exit wound. CoTCCC guidelines recommend vented seals as the first-line option, but non-vented (occlusive) seals have clinical utility in specific scenarios — posterior wounds where the vent may face obstruction, multiple anterior wounds, or environments with heavy debris contamination. By packaging one of each type together, the USMC Combo gives responders maximum flexibility without requiring them to carry two separate packages. The vented seal is typically applied to the anterior (entry) wound; the occlusive seal addresses the posterior exit wound.

Is the HyFin USMC Combo Pack aligned with CoTCCC guidelines?

Yes. The 2024 TCCC Guidelines specify that all open and sucking chest wounds should be treated by immediately applying a vented chest seal. If a vented seal is unavailable, a non-vented seal may be used. The USMC Combo Pack provides both types, ensuring CoTCCC-aligned treatment of both entry and exit wounds. The vented HyFin® seal in this combo uses the patented 3-channel pressure-relief system consistent with the vented chest seal standard referenced in TCCC guidelines.

What makes the HyFin adhesive effective in combat or trauma conditions?

Both seals use North American Rescue's enhanced hydrogel adhesive technology, which maintains bond integrity in the presence of blood, perspiration, body hair, sand, and environmental contaminants — conditions that defeat standard acrylic medical adhesives. The transparent backing allows accurate wound-centered placement, and the large red elliptical pull tabs support single-step, gloved-hand application even under extreme physical and psychological stress. The seal conforms to the natural curvature of the chest wall, maintaining a peripheral seal even across bony prominences like ribs.

How does the USMC Combo Pack compare to the HyFin Vent Twin Pack?

The HyFin Vent Twin Pack (10-0037 or 10-0042 Compact) contains two vented seals, while the USMC Combo Pack contains one vented and one non-vented seal. The twin vent pack is ideal when the preference is to use vented seals for all wounds; the USMC Combo is preferred by responders who want the option to apply different seal types based on wound location. The USMC Combo seals deploy to a full 6" × 6" each, versus the 4.75" × 4.75" compact seals — providing greater coverage for larger or irregular wounds. Both products ship from MED-TAC International and are compatible with standard IFAK configurations.

Why is one seal vented and one occlusive in the same pack?

The USMC chest wound treatment protocol specifies: vented seal on the entry wound (anterior, accessible, valve can be monitored during transport) and occlusive seal on the exit wound (posterior, patient supine, where blood pooling can block a vented valve). The Combo Pack puts the two protocol-correct seals in a single package, eliminating any chance of pulling mismatched seals under stress.

How do I visually tell the vented from the occlusive seal?

The HyFin Vent has a raised valve dome visible in the center of the seal. The HyFin Chest Seal (occlusive) is completely flat with no dome or valve structure. Confirm which is which before peeling the backing — confirm vented goes to the entry wound, occlusive to the exit wound.

Can I use this if my unit doesn't run the USMC protocol?

Yes. Any provider who wants one package covering both vented and occlusive chest wound management benefits from the Combo Pack. If your protocol specifies vented for both entry and exit, order the HyFin Vent Twin Pack (10-0037) instead.

Is there an NSN for the USMC Combo Pack?

An NSN was not listed on the current NAR product page for this item. Contact MED-TAC at orders@tactical-medicine.com for current procurement documentation — we can verify the latest NSN or procurement channel for USMC Combo Pack orders. MED-TAC is SDVOSB-certified.

Does the clear resealable pouch affect the individual seal shelf life?

The clear resealable outer pouch is a storage organizer — both seals inside are individually sealed in their own Red-Tip Technology foil packaging. The individual foil seal packaging is what protects shelf life. The clear outer pouch does not affect shelf life as long as the individual foil packages remain sealed.