Quick-Connect Cryogenic Device for Faster Needle Probe Replacement
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Summary
Problems
Existing cryogenic devices face challenges in efficiently and conveniently replacing needle probes and cryogen cartridges during procedures, leading to inefficiencies and patient discomfort due to the need for repositioning needles and time-consuming manual connections.
Innovation solutions
The development of a cryogenic device with a quick-connect mechanism for needle probes and a swivelable cartridge door design that allows for easy replacement of cryogen cartridges without removing needles, along with a metal chassis to reduce bubble formation and a smart processor for probe type identification and treatment optimization.
TRIZ Analysis
Specific contradictions:
General conflict description:
Principle concept:
If manual connection methods are used for needle probes and cryogen cartridges, then device complexity is reduced, but procedure time increases and productivity decreases
Why choose this principle:
The device is divided into modular components: a reusable handle and disposable needle probe assemblies with integrated cryogen cartridges. This segmentation allows the complex quick-connect mechanism to be contained within the disposable portion, simplifying the reusable handle while enabling rapid replacement of entire probe-cartridge assemblies during procedures.
Principle concept:
If manual connection methods are used for needle probes and cryogen cartridges, then device complexity is reduced, but procedure time increases and productivity decreases
Why choose this principle:
The quick-connect mechanism incorporates movable components including spring-loaded latches, deflectable guide members, and rotatable cartridge doors that transition between locked and unlocked positions. These dynamic elements enable rapid connection and disconnection of needle probes and cartridges without manual disassembly of multiple fasteners.
Application Domain
Data Source
AI summary:
The development of a cryogenic device with a quick-connect mechanism for needle probes and a swivelable cartridge door design that allows for easy replacement of cryogen cartridges without removing needles, along with a metal chassis to reduce bubble formation and a smart processor for probe type identification and treatment optimization.
Abstract
A cryogenic device with a cartridge holder for a cryogen cartridge, cryogen cartridge is coupleable to a cryogen pathway; a probe receptacle for receiving a needle probe, wherein the probe receptacle is configured to couple the needle probe to the cryogen cartridge via the cryogen pathway, and wherein the needle probe comprises: one or more needles having needle lumens disposed therein; a probe extension extending proximally, the probe extension having a probe lumen disposed therein, the probe lumen including an elongate element that extends from a proximal end to a distal end, wherein the probe lumen is coupled to the needle lumens at the distal end, and the cryogen pathway at a first location in between the proximal end and the distal end. Various connection mechanisms for securing needle probes to a handpiece portion are disclosed.