Rongeur Bone Collector Cap with Scrapers
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Solution Overview
Problem
The existing methods for collecting cut bone from a kerrison rongeur are inefficient, requiring frequent removal and reorientation of the instrument, disrupting surgical flow and necessitating manual handling by scrub nurses, which can be cumbersome and time-consuming, especially in procedures like spinal fusion where multiple bone fragments need to be harvested.
Innovation Solution
A collector device with a cap and container system featuring distinct scrapers, including a bristle field and a row of teeth, designed to dislodge bone from the rongeur's cutting area, allowing for easy collection and retention of bone fragments without interrupting the surgeon's focus, with bio-absorbable materials to ensure safety.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual bone removal from the rongeur is performed frequently, then bone collection is achieved, but surgical efficiency decreases due to repeated instrument removal and reorientation
Solution Approach 1:
A collector device with a container and cap is introduced as an intermediary to receive and hold bone fragments directly from the rongeur. The cap includes scrapers that engage with the rongeur's cutting area to dislodge bone into the container, eliminating the need for frequent instrument removal and manual bone removal by scrub nurses.
Solution Approach 2:
The collector device enables self-service by allowing the rongeur to deposit bone fragments directly into the container through the cap's scrapers. The surgeon can maintain focus on the surgical site while the collector automatically accumulates bone fragments without requiring intervention from scrub nurses or repeated instrument handling.
2Ease of operation
If manual bone removal by scrub nurse is performed, then bone is harvested, but the process becomes cumbersome and time-consuming
Solution Approach 1:
The collector device serves as an intermediary between the rongeur and the bone harvest collection process. The cap with integrated scrapers automatically dislodges bone fragments into the container, replacing the cumbersome manual process of using hooks or forceps and eliminating the need for scrub nurse intervention.
3Productivity
If the rongeur is completely removed from the surgical site for bone removal, then bone can be harvested, but the surgeon must temporarily relinquish the instrument and reorient
Solution Approach 1:
The collector device with its container and cap acts as an intermediary that allows bone fragments to be deposited and collected without removing the rongeur from the surgical site. The surgeon can maintain continuous instrument control and focus on the surgical task while the collector accumulates bone fragments in real-time.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The collector enables efficient and safe collection of bone fragments, reducing the need for frequent instrument reorientation and manual handling, thereby enhancing surgical efficiency and minimizing the risk of contamination or bone fragment loss, particularly in procedures requiring multiple bone harvests.
Implementation Method 1
a first plurality of scrapers in the form of fingers for engaging and dislodging cut bone from a cutting area of the distal end of the rongeur when the distal end of the rongeur is received within the collector; and a second plurality of scrapers in the form of wipers for engaging and dislodging cut bone from the cutting area of the distal end of the rongeur when the distal end of the rongeur is withdrawn through the opening from the collector
Data Source
AI summary
A collector includes a container body defining an interior containment space and having an open end for access, and a cap in covering relation to the open end and having an opening for receiving therein a distal end of a kerrison-type rongeur. An improvement includes the cap including a first plurality of scrapers in the form of fingers for engaging and dislodging cut bone from the cutting area of the distal end of the rongeur and a second plurality of scrapers in the form of wipers for engaging and dislodging cut bone from the cutting area of the distal end of the rongeur when the distal end of the rongeur is withdrawn through the opening from the collector, the second plurality being arranged so as to permit insertion of the distal end of the rongeur through the opening into the collector without engaging the distal end of the rongeur.