7 1/4″ Lewis Rasp downstroke
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100% Autoclavable & Passivated AISI 420 SteelSKU: SP-46921
OR & Quality SpecificationsHospital Grade
Steel MetallurgyGerman AISI 420 Martensitic
Sterilization Cycle134°C / 273°F Steam Autoclave
Quality StandardISO 13485:2016 & CE Mark
Optical FinishAnti-Glare Satin Matte
Electrochemical PassivationCSSD Laser Batch Tracking
ENTSKU: SP-46921AISI 420 Martensitic

7 1/4″ Lewis Rasp Downstroke

4.9 / 5.0•18 Verified OR Evaluations
$141.00$161.00/ unit

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  • 7 1/4″ Lewis Rasp Downstroke designed with a downstroke configuration for controlled bone shaping and contouring.
  • Abrasive surface provides a defined shaping profile for ENT procedures.
  • Downstroke design supports a specialized working orientation within the operative field.
  • Suitable for ENT and facial surgery applications requiring a downstroke instrument.
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The 7 1/4″ Lewis Rasp Downstroke is a specialized ENT instrument designed for controlled bone shaping in rhinoplasty, septoplasty, and sinus surgery. Its downstroke-specific design allows the surgeon to apply force in a single, controlled motion, minimizing lateral slippage and ensuring precise contouring within the operative field.

With an overall length of 7 1/4 inches and an abrasive surface, this rasp provides predictable removal of cartilage or bone while maintaining smooth, even results. The ergonomic design allows the working end to approach anatomical targets from a specialized angle, supporting controlled manual manipulation during procedures.

Key Features

  • 7 1/4-inch overall length for controlled manual handling.
  • Abrasive surface provides a defined shaping profile.
  • Downstroke configuration for specialized working orientation.
  • Designed for controlled bone shaping and contouring.
  • Suitable for ENT and facial surgery applications.
  • Supports positioning of the working end within the operative field.
  • Specialized Lewis pattern for professional ENT instrument sets.
  • Corrosion-resistant surgical-grade German AISI 420 stainless steel construction.
  • Autoclavable and reusable (Steam autoclave up to 134°C / 273°F).

Technical Specifications

SpecificationDetails
Instrument TypeLewis Rasp
Overall Length7 1/4″
Working End / Blade / JawAbrasive surface
ConfigurationDownstroke
Primary FunctionBone Shaping and Contouring
MaterialGerman Stainless Steel (AISI 420)
SterilizationSteam Autoclavable (up to 134°C / 273°F)
Application TypeENT / Facial Surgery

The 7 1/4″ Lewis Rasp Downstroke combines a 7 1/4-inch overall length with an abrasive surface and downstroke configuration.
Its defined working profile is intended for controlled bone shaping in ENT applications.

Design & Function

The Lewis Rasp features a downstroke working configuration designed to provide a specialized orientation during bone shaping procedures. The abrasive surface can assist in positioning the working end according to the requirements of the operative field.

The abrasive surface provides a defined shaping profile, while the 7 1/4-inch overall length allows controlled manual positioning. Together, these dimensions provide a practical configuration for ENT procedures requiring a downstroke instrument.

Surgical Applications

The 7 1/4″ Lewis Rasp Downstroke may be used for ENT and facial surgery applications involving controlled bone shaping and contouring. Specific use depends on the surgical procedure, technique, anatomical site, and preference of the clinical team.

Handling & Instrument Care

Inspect the Lewis Rasp before use, paying particular attention to the working end and abrasive surface. Ensure the instrument is properly aligned and free from visible damage or wear before use.

After use, clean and process the instrument according to the manufacturer's validated instructions and the healthcare facility's established instrument-processing protocols. Store the Lewis Rasp appropriately to protect its working end and prevent unnecessary contact with other instruments.

Frequently Asked Questions

1. What is the overall length of this Lewis Rasp?
The overall length is 7 1/4 inches.

2. What is the working end / blade or tip design of the instrument?
It features an abrasive surface.

3. Is this Lewis Rasp curved or straight?
It features a downstroke configuration.

4. What is a Lewis Rasp used for?
It is designed for controlled bone shaping and contouring in ENT applications.

5. What clinical advantage does the downstroke design provide?
The downstroke design provides a specialized working orientation for positioning the working end within the operative field.

6. Is this instrument suitable for ENT surgery?
It may be used in ENT and facial surgery applications where a downstroke rasp is appropriate.

7. Does the specification refer to the working end?
Yes. The supplied specification refers to the working profile and functional geometry of the instrument.

8. How should the Lewis Rasp be cleaned and maintained?
It should be inspected, cleaned, steam autoclaved (up to 134°C / 273°F), and stored according to manufacturer instructions and healthcare facility protocols.