Kerrison Rongeur Bone Collector with Integrated Scrapers
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Solution Overview
Problem
Current methods for collecting cut bone from a Kerrison rongeur require the surgeon to relinquish the instrument and divert attention from the surgical site, leading to inefficiencies and increased procedural time, especially in spinal fusion procedures where multiple bone removals are necessary.
Innovation Solution
A collector device with a container body and cap designed to receive the distal end of a Kerrison rongeur, featuring scrapers that dislodge and collect cut bone without requiring the surgeon to remove their focus from the surgical site, allowing for continuous operation while the bone is collected and stored for later use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the surgeon removes the rongeur from the surgical site for bone removal, then the scrub nurse can manually swipe and harvest the bone, but the surgeon must relinquish the instrument and divert attention from the surgical site, increasing procedural time
Solution Approach 1:
The patent introduces a collector device as an intermediary tool between the rongeur and the scrub nurse. The collector receives the rongeur tip with embedded bone, allows the surgeon to maintain control of the rongeur at the surgical site, and enables the scrub nurse to harvest bone without manual swiping. This mediator eliminates the need for the surgeon to relinquish the instrument while facilitating efficient bone removal.
Solution Approach 2:
The collector device enables the scrub nurse to perform bone harvesting independently without requiring the surgeon's assistance or attention. The nurse can remove the collector from the surgical site, access the stored bone, and harvest it autonomously, eliminating the need for the surgeon to divert focus from the surgical field.
2Reliability
If the surgeon presents the rongeur to the scrub nurse after each cut for bone removal, then bone build-up within the jaw member is avoided, but the surgeon must repeatedly relinquish the instrument and reorient at the surgical site
Solution Approach 1:
The collector serves as a mediator that accumulates bone from multiple cutting cycles without requiring the surgeon to remove the rongeur. The collector can be removed from the surgical site after accumulating sufficient bone, allowing the scrub nurse to harvest all accumulated bone in a single operation, thereby maintaining surgical efficiency while ensuring complete bone removal.
3Quantity of substance
If the scrub nurse manually swipes the rongeur multiple times to remove cut bone, then bone is harvested, but the process is time-consuming and requires repeated manipulation of the rongeur tip
Solution Approach 1:
The collector device enables continuous bone accumulation from multiple cutting cycles without interruption to the surgical flow. Instead of repeated manual swiping operations, the collector passively accumulates bone over time, and the scrub nurse can harvest all accumulated bone in a single efficient operation, eliminating repeated manipulation time.
Solution Approach 2:
The collector performs preliminary accumulation of bone from multiple cutting cycles before the scrub nurse needs to harvest it. This preliminary action consolidates multiple bone removal operations into a single efficient harvesting event, significantly reducing the time required for bone extraction.
Data Source
AI summary
A collector used to collect bone includes: a container body defining an interior containment space for receiving and retaining collected bone, and having at least one open end for access and removal of collected bone from the interior containment space; and a cap in covering relation to the open end of the container body such that access to the interior containment space for removal of collected bone is inhibited. The collector includes an intake port defining an opening for receiving therein a distal end of a kerrison rongeur for collecting cut bone from a cutting area thereof, and the cap includes at least one scraper for engaging and dislodging cut bone from the cutting area of a distal end of a kerrison rongeur when received within the intake port. The collector preferably is used with a kerrison-type rongeur for collecting cut bone therefrom.