Biomaterial Mixing System with Real-Time Sensor Feedback
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Solution Overview
Problem
The mixing and delivery of biomaterials in clinical settings are challenging due to short working times, temperature and time-dependent injectability windows, and sensitivity to mixing and delivery conditions, leading to inefficiencies and potential patient risks from uninjectable cements.
Innovation Solution
A system with a mixing compartment, sensor for temperature and humidity measurement, and a control unit that adjusts mixing parameters such as time and power based on measured conditions to optimize biomaterial mixing and ensure aseptic handling, including alerts for usability time and temperature thresholds.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If mixing energy is increased to completely mix calcium based cement powder and liquid, then mixing completeness is improved, but risk of exceeding injectability window increases
Solution Approach 1:
The mixing device dynamically adjusts mixing parameters (speed, amplitude, duration) based on real-time feedback from sensors monitoring material properties during mixing. This allows the system to optimize mixing effectiveness while preventing over-mixing that would exceed the injectability window.
Solution Approach 2:
Sensors continuously monitor mixing progress and material properties, providing feedback to the control system. The control unit uses this feedback to adjust mixing parameters in real-time, ensuring complete mixing is achieved precisely when optimal, without exceeding the injectability window.
2Manufacturing precision
If mixing time is extended to ensure complete mixing, then mixing quality is improved, but working time window is exceeded
Solution Approach 1:
The system uses dynamic mixing protocols that adjust intensity and duration based on real-time material state monitoring. This enables achieving complete mixing in optimized timeframes specific to each material formulation, preventing expiration within the working time window.
Solution Approach 2:
The system changes mixing parameters (speed, amplitude, pulse patterns) based on monitored material properties to optimize mixing efficiency. This allows high-quality mixing to be achieved faster by adapting parameters to the specific state of the biomaterial components.
3Productivity
If mixing power is increased to handle temperature sensitive biomaterials, then mixing efficiency is improved, but risk of temperature deviation increases
Solution Approach 1:
Temperature sensors continuously monitor the biomaterial during mixing, providing feedback to the control system. When temperature approaches critical thresholds, the system automatically adjusts mixing power or introduces cooling periods, maintaining temperature within safe ranges while preserving mixing efficiency.
Solution Approach 2:
For temperature-sensitive materials, the system uses periodic mixing cycles with alternating high-power mixing and cooling intervals. This maintains mixing efficiency over time while preventing temperature buildup that would compromise material properties.
Data Source
AI summary
A method and a system for preparing a biomaterial from at least two components, said method comprising the steps of:providing at least two biomaterial components in a mixing compartment (3) of the preparation system (1; 1′);measuring at least one feature in the preparation system with at least one sensor (7), said at least one feature comprising at least temperature and/or humidity;mixing said at least two biomaterial components by a mixing device (5) of the preparation system (1; 1′) to which mixing device (5) said mixing compartment (3) can be or is connected;controlling said mixing by a control unit (9) of the preparation system (1; 1′), said control unit (9) being in communication contact with said mixing device (5) and with said at least one sensor (7), wherein said mixing is controlled such that at least one mixing parameter of said mixing is dependent on a value of said at least one measured feature.