Kenerly Double Parallel Femoral Neck Disc Grasper
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The Kenerly Double Parallel Femoral Neck Disc Grasper is a specialized orthopedic instrument designed to assist with removal of the central disc created by a double, parallel-cut femoral neck osteotomy during total hip arthroplasty (THA).
The instrument features a purpose-designed double-parallel jaw configuration that allows the femoral neck disc to be engaged and manipulated during the surgical procedure. Its extended 10" (25.4 cm) overall length provides reach to the operative area while maintaining access and control from the handle.
The working jaws measure approximately 1.44" × 0.72" (36.6 × 18.3 mm), with a specified 1 mm lower jaw thickness.
Key Features
- Designed for removal of the central disc from a double, parallel-cut femoral neck osteotomy
- Intended for use during total hip arthroplasty (THA)
- Double parallel jaw configuration
- 10" (25.4 cm) overall length
- 1.44" × 0.72" (36.6 × 18.3 mm) jaw dimensions
- 1 mm lower jaw thickness
- Specialized working end designed for femoral neck disc engagement
- Extended profile for access to the hip operative field
Design and Configuration
The Kenerly Double Parallel Femoral Neck Disc Grasper incorporates a specialized jaw design intended specifically for engaging the central femoral neck disc produced during a double, parallel-cut osteotomy.
The two parallel working surfaces are positioned to provide controlled engagement of the disc. The instrument's elongated body provides the required reach while the handle mechanism allows the operator to control the opening and closing of the jaws.
Working-End Characteristics
The working end is the defining feature of this instrument. The double parallel jaw configuration is designed to engage the central disc following a parallel femoral neck osteotomy.
The jaws have specified dimensions of 1.44" × 0.72" (36.6 × 18.3 mm), while the lower jaw has a thickness of 1 mm. These dimensions provide a defined working area for engaging the femoral neck disc.
Surgical Application
The primary intended application is removal of the central disc following a double, parallel-cut femoral neck osteotomy during total hip arthroplasty.
The instrument can assist with:
- Femoral neck disc removal
- Management of the central disc following parallel osteotomy
- Femoral neck preparation during THA
- Controlled grasping and manipulation of the osteotomy segment
Its specialized jaw geometry is intended to correspond with the particular femoral neck preparation technique for which it was designed.
Use During Total Hip Arthroplasty
During THA, preparation of the femoral neck may involve an osteotomy technique that creates a central disc between parallel cuts. The Kenerly Double Parallel Femoral Neck Disc Grasper is designed to assist with removal of this disc.
The extended length and specialized jaw configuration allow the instrument to be positioned at the femoral neck while the user maintains control through the handle.
Jaw Dimensions
The working-end dimensions are:
- Jaw length/overall jaw dimension: 1.44" (36.6 mm)
- Jaw width: 0.72" (18.3 mm)
- Lower jaw thickness: 1 mm
These dimensions should be considered when selecting the instrument for the intended surgical technique.
Extended Instrument Profile
With an overall length of 10" (25.4 cm), the instrument provides an extended reach suitable for access to the hip operative field.
The length allows the working end to reach the femoral neck while keeping the handles positioned for controlled manipulation by the user.
Technical Specifications
| Specification | Details |
|---|---|
| Instrument Name | Kenerly Double Parallel Femoral Neck Disc Grasper |
| Product Type | Simple Product |
| Primary Application | Femoral Neck Disc Removal |
| Surgical Application | Total Hip Arthroplasty (THA) |
| Overall Length | 10" (25.4 cm) |
| Jaw Configuration | Double Parallel |
| Jaw Dimensions | 1.44" × 0.72" (36.6 × 18.3 mm) |
| Lower Jaw Thickness | 1 mm |
Handling and Use Considerations
The instrument should be used according to the surgical technique and procedure requirements for which it is intended. Appropriate positioning of the jaws is important for controlled engagement of the femoral neck disc.
Before use, inspect the working jaws and operating mechanism for proper function and visible damage. After use, follow the healthcare facility's established procedures for cleaning, inspection, sterilization, maintenance, and storage of surgical instruments.
FAQs
What is the Kenerly Double Parallel Femoral Neck Disc Grasper used for?
It is designed to assist with removal of the central disc created by a double, parallel-cut femoral neck osteotomy during total hip arthroplasty.
What is the overall length?
The overall length is 10" (25.4 cm).
What are the jaw dimensions?
The jaw dimensions are 1.44" × 0.72" (36.6 × 18.3 mm).
What is the lower jaw thickness?
The lower jaw thickness is 1 mm.
What type of jaw does this grasper have?
It features a double parallel jaw configuration.
Is this instrument intended for THA?
Yes. It is specifically designed to assist with femoral neck disc removal during total hip arthroplasty (THA).
Is this a simple or variable product?
This should be listed as a Simple Product, as only one configuration and one set of dimensions are provided.