Modelling epidural space heat transfer with air cooling via catheter insertion for spinal cord injury treatment
Bibliographic record
Abstract
Localized cooling of the spinal cord has been studied and demonstrated to have therapeutic and protective effects on traumatic spinal cord injury (TSCI). Often, the spinal cord is cooled using closed catheters systems that circulate a cooling fluid into the subdural or epidural space (ES) or alternatively, into the systemic circulation. Whether or not localized cooling of the epidural space can be done using an open catheter system with air, as the cooling medium remains an open question. This paper proposes a manual derivation for modelling the system dynamics of an air-cooled open catheter system to determine the feasibility of a low-cost design. Preliminary experimental testing is also performed to gather evidence of design effectiveness as a proof of concept. The results demonstrate that cooling of the ES can be achieved through routine surgical procedures allowing for the introduction of air into the spinal cord, thus providing cooling effects to assist in TSCI recovery.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.001 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.001 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.001 |
| Scholarly communication | 0.001 | 0.001 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.002 | 0.001 |
| Insufficient payload (model declined to judge) | 0.004 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".