CPR Device Releasable Base Member Clamp Mechanism
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Solution Overview
Problem
Existing CPR devices require complex latch and release mechanisms that can be difficult to operate in emergency situations, especially when space is limited or objects obstruct the device's movement.
Innovation Solution
The CPR device is designed to be 'always lockable,' with a support leg that can be locked to the base member without needing to reset the latch, and a release mechanism that can be operated by pulling away from the base member, regardless of clearance around the device.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a complex latch and release mechanism is used to secure the support leg to the base member, then the device can be reliably locked in place, but the operation becomes difficult in emergency situations especially when space is limited or objects obstruct the device's movement
Solution Approach 1:
The release mechanism is extracted as a separate, independently operable component that can be actuated without moving other parts of the device. The release handle is positioned and dimensioned to be pulled in a direction away from the base member, allowing operation regardless of clearance around the device. This extraction allows the locking mechanism to remain reliable while the release operation becomes simple and不受空间限制
Solution Approach 2:
Instead of requiring the operator to push or manipulate a complex latch mechanism toward the base member to release it, the design inverts the operation by allowing the handle to be pulled away from the base member. This inversion simplifies the release operation and eliminates the need for clearance around the front of the device
2Reliability
If a traditional latch mechanism requiring reset is used, then the support leg can be securely locked, but the assembly process becomes time-consuming in emergency situations
Solution Approach 1:
The support leg is designed with a receiving channel and lock component that automatically engage when the leg is positioned on the base member. The clamp mechanism is pre-configured to receive the lock component, eliminating the need for manual resetting or complex assembly steps. This preliminary configuration of the locking components enables rapid deployment while maintaining secure locking
Solution Approach 2:
The clamp mechanism automatically clamps the lock component of the base member when the support leg is placed on the base member, without requiring manual intervention to engage the latch. The spring mechanism provides automatic engagement and maintains continuous clamping force, making the locking process self-executing and time-efficient
Data Source
AI summary
A CPR device having a base member configured to be placed underneath a patient, a chest compression mechanism configured to deliver CPR chest compressions to the patient, a support leg configured to support the chest compression mechanism at a distance from the base member, a clamp mechanism coupled to the support leg, and a release mechanism coupled to the support leg and the clamp mechanism. The clamp mechanism is configured to attach the support leg to a lock component of the base member in a latch-closed configuration and to release the support leg from the lock component in a latch-open configuration. The clamp mechanism is further configured to transition from the latch-closed configuration to the latch-open configuration when the lock component of the base member impacts an external portion of the clamp mechanism without the release mechanism being pulled away from the base member.