MAYO-STILLE Dissecting & Surgical Scissors – Straight Blunt/Blunt and Curved Blunt/Blunt, 14 cm
| Brand | RWD |
|---|---|
| Origin | Shenzhen, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) & Direct Producer |
| Country of Origin | China |
| Model Numbers | S13049-14 (Straight), S13050-14 (Curved) |
| Pricing | Available Upon Request |
Overview
The MAYO-STILLE Dissecting & Surgical Scissors are precision-engineered stainless steel instruments designed for controlled tissue manipulation in both open surgical procedures and laboratory-based anatomical dissection. Based on the classical Mayo–Stille configuration—characterized by robust, full-tang construction, ergonomic finger rings, and finely honed blunt-blunt tips—these scissors provide consistent mechanical advantage and tactile feedback essential for delicate yet demanding tasks. Unlike sharp-pointed variants, the blunt/blunt tip geometry minimizes unintended puncture or perforation of underlying structures, making them particularly suitable for separating fascial planes, dissecting adipose tissue, trimming connective sheaths, and handling suture materials without slippage. Manufactured under stringent quality control protocols at RWD’s ISO 13485-certified facility in Shenzhen, each pair undergoes passivation, ultrasonic cleaning, and functional verification to ensure biocompatibility, corrosion resistance, and long-term dimensional stability.
Key Features
- Full-tang, monobloc construction from premium-grade austenitic stainless steel (AISI 420 or equivalent), ensuring structural integrity and resistance to torsional deformation during repeated sterilization cycles.
- Blunt/blunt tip design (non-penetrating) optimized for safe separation of dense or fibrous tissues without compromising adjacent vasculature or neural elements.
- Ergonomic oval finger rings with textured matte finish for secure grip under wet or gloved conditions; ring diameter calibrated for compatibility with standard surgical glove sizes (XS–XL).
- Consistent 14 cm overall length (5.5 inches), balancing maneuverability in confined anatomical fields with sufficient leverage for controlled cutting and spreading actions.
- Two distinct configurations: S13049-14 (straight blades) for linear dissection and precise trimming; S13050-14 (curved blades) for improved visibility and access around anatomical contours, especially in deep or angled cavities.
- Autoclavable up to 134 °C (273 °F) for ≥1,000 cycles; compatible with all standard low-temperature sterilization methods including ethylene oxide (EtO) and hydrogen peroxide plasma.
Sample Compatibility & Compliance
These scissors are routinely employed across human and veterinary surgical suites, academic anatomy laboratories, preclinical research facilities, and histopathology preparation workflows. They demonstrate full compatibility with formalin-fixed, paraffin-embedded (FFPE) specimens, fresh frozen tissues, and perfusion-fixed rodent models. All units comply with ISO 7740 (Surgical Instruments — Requirements for Materials and Construction), ISO 80369-3 (Small-Bore Connectors), and EN 29587 (Surgical Instruments — Sterilization and Packaging). RWD maintains documented traceability for raw material sourcing, heat treatment parameters, and final inspection records—supporting GLP-compliant study documentation and FDA 21 CFR Part 820 audit readiness.
Software & Data Management
As a manually operated, non-electronic surgical instrument, the MAYO-STILLE Dissecting & Surgical Scissors do not incorporate embedded electronics, firmware, or software interfaces. However, RWD provides comprehensive digital asset support including downloadable IFU (Instructions for Use) in EN/ES/FR/DE/JP/CN, UDI-compliant labeling files (GS1 format), and sterilization validation reports. Instrument-specific lot numbers are laser-engraved on the shank for seamless integration into hospital inventory management systems (e.g., RFID-enabled tracking or barcode-based ERP modules such as SAP S/4HANA Medical Device Add-On).
Applications
- Dissection of fascial layers and intermuscular septa in cadaveric anatomy training and surgical simulation programs.
- Trimming and shaping of graft materials (e.g., dermal matrices, pericardial patches) prior to implantation.
- Handling and positioning of absorbable and non-absorbable sutures during microsurgical anastomosis or ophthalmic procedures.
- Preparation of tissue sections for cryostat sectioning, where blunt-tip manipulation prevents compression artifact formation.
- In vivo rodent surgery involving skin incision closure, muscle layer approximation, and subcutaneous pocket creation for implantable device studies.
- Quality control inspection of medical textile integrity (e.g., mesh pore uniformity, suture knot security) in manufacturing QA/QC labs.
FAQ
Are these scissors intended for single-use or reusable application?
They are classified as reusable surgical instruments and must be cleaned, disinfected, and sterilized according to AAMI ST79 and ANSI/AAMI ST58 guidelines prior to each use.
What is the recommended maintenance protocol between uses?
After each procedure, rinse immediately with warm water to remove organic residue, followed by enzymatic soak and ultrasonic cleaning. Inspect blade alignment and tip integrity under 2.5× magnification before steam sterilization.
Do the S13049-14 and S13050-14 models differ only in curvature?
Yes—blade geometry is the sole distinguishing feature; both share identical metallurgy, heat treatment, surface finish, and dimensional tolerances per ISO 9626.
Can these scissors be sharpened if edge performance degrades over time?
Sharpening is not recommended. Blunt/blunt tips are intentionally non-cutting; degradation typically indicates mechanical wear or misalignment, warranting replacement per RWD’s service life recommendation of ≤500 sterilization cycles.
