Case Study: Juan A. — Level 1 Trauma Nurse
Case Study: Juan A.
Level 1 Trauma Center Nurse
Juan works in a high-acuity trauma bay handling penetrating trauma, blunt force injuries, and burn trauma. Institutional shears failed him constantly — binding on heavy fabric, dulling after 3–4 calls, loosening through autoclave cycles. ONE SHEAR® changed his workflow completely. He now recommends it to every colleague who walks through the trauma bay.
The Problem: Institutional Shears Fail Under Load
For years Juan used the standard hospital-issue shears — bulk-purchased stainless steel pairs that looked fine on paper. In a Level 1 trauma bay handling 8–15 activations per shift, they failed predictably and repeatedly.
The 4 Failure Modes
- Binding on heavy fabric — Carhartt jackets, motorcycle leathers, multiple layers required multiple repositioning passes. TCCC Primary Survey starts with exposure. Every second of delay pushes hemorrhage control backward.
- Edge rollover under load — Heavy denim, leather, and seatbelt material dulled institutional blades by call 3–4. Hospital shears are built for gauze, not emergency clothing removal.
- Pivot loosening — Repeated autoclave cycles at 121°C + 15 psi would loosen the center bolt. Loose pivot = blades separating under load. No bite, no cut.
- Contamination accumulation — Blood, saline, and tissue caked around the pivot. Dried material caused sticking mid-cut in sterile fields.
MARCH Primary Survey: Massive hemorrhage control → Airway → Respiration → Circulation → Hypothermia. Exposure is step one. You cannot control a bleed you cannot see. Every second of delayed exposure is delayed hemorrhage control.
The ONE SHEAR® Advantage
DLC Coating — 9/10 Mohs
The ONE SHEAR® uses Diamond-Like Carbon coating at 9/10 Mohs hardness vs. titanium-coated shears at ~6/10. Result: 2× abrasion resistance, edge sharpness maintained through 40+ autoclave cycles, and a lower friction coefficient (~0.1) that prevents blade sticking on dried blood or fabric.
A dull blade in trauma doesn’t just slow exposure — it increases risk of lateral slippage and accidental patient laceration when redirecting mid-cut under stress.
Angled Lower Blade Geometry
The patented angled lower blade rides flat against skin and fabric. Juan can slide the shear under clothing without lifting the blade — eliminating the repositioning required with standard shears on layered patients. The blunt tip prevents puncture wounds during rapid cutting when a patient is hypotensive.
Built-In O₂ Wrench
The integrated oxygen wrench eliminates a second tool on Juan’s belt. Patients require rapid O₂ delivery every shift. ONE SHEAR® handles both clothing removal and valve management without a secondary tool.
Autoclavable Design
ONE SHEAR® handles are rated for hospital autoclave cycles. Minimal pivot sealing surfaces mean dried blood and saline don’t accumulate where they hide with standard shears. After each cycle: no smell, no contamination, no degradation.
Real Scenario: GSW Penetrating Chest Trauma
15–20 seconds saved per trauma activation. Across 10+ activations per 12-hour shift, Juan recovers 20–30 minutes of aggregate assessment time per shift — time that translates directly to more accurate triage, earlier hemorrhage control, and better patient outcomes.
Performance Comparison
| Metric | Institutional Shears | ONE SHEAR® V2 |
|---|---|---|
| Edge sharpness (autoclave cycles) | Dulls after 15–20 cycles | Sharp through 40+ cycles |
| Heavy fabric (canvas, leather) | 3+ passes, frequent binding | Single pass, no binding |
| Pivot integrity | Loosens after ~2 months | Tight after 6+ months |
| Contamination accumulation | Significant in pivot seams | Minimal — cleans completely |
| Exposure time (heavy clothing) | 20–25 seconds | 8–10 seconds |
| Annual replacement | Every 3–4 months | 12+ months ongoing |
What Juan Said
“I work in a level 1 trauma center so they see a lot of action. I recommend them to any health care worker, EMS, or firefighter.”
— JUAN A., RN — LEVEL 1 TRAUMA CENTERAfter his first week with ONE SHEAR®, Juan recommended it to three colleagues. Within two weeks, two of them had ordered their own. Within a month, the trauma bay had a waiting list.
The Tool Juan Trusts Every Shift
DLC-coated blades. Autoclavable handles. Built-in O₂ wrench. 5-year warranty. Built for clinical environments, not just sold into them.
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