The Penfield Dissector #4 is a specialized surgical instrument intended for tissue dissection and manipulation during procedures where its design is appropriate. Penfield-pattern dissectors are commonly included in neurosurgical instrument sets for tasks that require controlled manual handling and careful tissue separation.

This model has a stated overall length of 11 inches, making reach an important selection consideration. The longer design may support access to deeper operative areas when suitable for the surgical approach and anatomy. Actual clinical suitability depends on the instrument's working-end configuration and the surgeon's preferred technique.

Design and Extended Reach

The 11-inch overall length provides an extended working reach compared with shorter instruments. This can be useful when the operative site requires a longer instrument, provided the instrument's dimensions and working end are appropriate for the procedure.

Penfield dissectors generally feature a shaft and a shaped working end designed for controlled manipulation. The exact tip profile of the No. 4 pattern should be confirmed with the manufacturer because shape, width, curvature, and dimensions can vary between product lines.

Surgical Applications

Penfield-pattern instruments are commonly associated with neurosurgical instrument trays. Depending on its verified design, the Penfield Dissector #4 may be selected for tissue separation and manipulation during suitable procedures where an 11-inch instrument is appropriate.

The instrument may be organized with other dissectors, elevators, probes, and tissue-handling tools. Selection should be based on the operative site, access requirements, and intended technique. A longer instrument should not be assumed suitable for every deep surgical approach, and use should be limited to applications established by the manufacturer and qualified surgical professionals.

Material and Construction

The material and surface finish of this specific instrument are not identified in the product title. Surgical-grade stainless steel is commonly used for reusable surgical instruments, but the exact alloy and construction should be confirmed with the supplier.

Before use, inspect the shaft and working end for bending, corrosion, surface damage, or deformation. The instrument should remain in suitable condition for its intended function, with no defects that could affect handling.

Handling and Maintenance

The longer shaft requires controlled handling to guide the working end accurately within the operative field. Trained personnel should inspect the instrument before each use and remove it from service if damage or deterioration is found.

Cleaning and sterilization requirements depend on the manufacturer's instructions and whether the instrument is designated as reusable or single-use. Reusable models should be processed using the manufacturer's validated procedures and the healthcare facility's approved protocols. Appropriate storage helps protect the working end and shaft from damage.

The Penfield Dissector #4, 11 inches long, is an option for facilities maintaining specialized neurosurgical instruments for procedures requiring an appropriate extended reach. Confirming the tip design, material, and reuse designation before purchasing helps ensure compatibility with the intended surgical requirements.

Key Features

• Penfield-pattern neurosurgical dissector, No. 4

• Stated overall length of 11 inches

• Designed for tissue dissection and manipulation

• Extended reach for suitable operative access requirements

• Working-end configuration depends on the manufacturer

• Intended for controlled handling by trained professionals

• Suitable for consideration in neurosurgical instrument sets

• Material and surface finish should be verified

• Inspect the shaft and working end before use

• Follow manufacturer instructions for cleaning and sterilization

Product Specifications

Frequently Asked Questions

1. What is a Penfield Dissector #4 used for?

It is a surgical instrument intended for tissue dissection and manipulation in procedures where its specific design is appropriate.

2. How long is the Penfield Dissector #4?

The stated overall length is 11 inches.

3. Is the Penfield Dissector #4 designed for deep access?

Its 11-inch length provides extended reach, which may be suitable for deeper operative areas depending on the surgical approach and instrument design.

4. What is the difference between Penfield Dissector patterns?

Different pattern numbers identify different instrument designs. Exact differences in tip shape and dimensions depend on the manufacturer.

5. What material is the Penfield Dissector #4 made from?

The material is not specified in the title. Confirm the exact alloy and construction with the supplier.

6. Is an 11-inch dissector suitable for every neurosurgical procedure?

No. Instrument selection depends on the operative site, anatomy, access requirements, and the surgeon's technique.

7. Can this instrument be sterilized and reused?

Only if the manufacturer designates it as reusable. Follow the supplied cleaning and sterilization instructions.

8. How should the Penfield Dissector #4 be maintained?

Inspect it for corrosion, bending, surface damage, and tip deformation. Follow the manufacturer's cleaning, processing, and storage instructions.

9. What should buyers confirm before ordering?

Verify the No. 4 pattern, 11-inch length, working-end configuration, material, intended use, and reuse designation.