Biochip for cryopreservation or thawing and resuscitation of biological tissue

Ho Nam Chan, Tseung Kwan O (CN); Yiwei Shu, Tseung Kwan O (CN)

USPTO: us-12648558 · published 2026-06-09 · patents · A01N 1/142· A01N 1/147· B01L 7/50

Biochip for cryopreservation or thawing and resuscitation of biological tissue

Ho Nam Chan, Tseung Kwan O (CN) , Yiwei Shu, Tseung Kwan O (CN) This is my paper

Pith reviewed 2026-06-10 20:02 UTC · model grok-4.3

classification patents A01N 1/142A01N 1/147B01L 7/50

keywords biochipcryopreservationthawingresuscitationbiological tissuepartition platesfixing groove

0 comments

The pith

A biochip with closed ends, partitioned sections, fixing grooves at section bottoms, and side joint portions supports cryopreservation or thawing of biological tissue.

A machine-rendered reading of the paper's core claim, the machinery that carries it, and where it could break.

This patent describes a biochip for cryopreservation or thawing and resuscitation of biological tissue. The device has four closed ends and a central section region containing multiple sequentially arranged sections separated by partition plates, with a fixing groove at the bottom of each section. Joint portions sit on the two sides of the section region. A sympathetic reader would care if the structure improves control and viability when handling tissue samples through temperature extremes.

Core claim

The biochip comprises a section region arranged in the middle with a plurality of sequentially arranged sections, partition plates between the sections, a fixing groove at the bottom of each section, joint portions on two sides of the section region, and four ends of closed structure, for cryopreservation or thawing and resuscitation of biological tissue.

What carries the argument

The section region with partition plates separating sections and fixing grooves securing tissue at each section bottom, together with closed ends and side joint portions.

If this is right

Multiple sections separated by partition plates permit handling several tissue samples at once under controlled conditions.
Fixing grooves at section bottoms hold tissue in place during freezing or thawing to limit movement damage.
Closed ends reduce risk of contamination or fluid loss at the boundaries.
Joint portions on the sides allow modular connection or mechanical handling of the biochip.

Where Pith is reading between the lines

These are editorial extensions of the paper, not claims the author makes directly.

The design may support parallel processing of multiple samples in a single device, raising throughput in tissue banks.
Adaptation for different tissue sizes or types could follow by varying section dimensions while keeping the same layout.
Integration with microfluidic channels or sensors might become feasible through the joint portions and section structure.

Load-bearing premise

The described closed structure, partition plates, fixing grooves, and joint portions will enable effective cryopreservation or thawing and resuscitation of biological tissue.

What would settle it

An experiment in which tissue placed in the biochip shows no improvement or reduced survival rates after cryopreservation and thawing compared with conventional containers would falsify the design's utility.

read the original abstract

1 . A biochip for cryopreservation or thawing and resuscitation of biological tissue, with four ends of the biochip being of a closed structure, the biochip comprising: a section region arranged in a middle and comprising a plurality of sequentially arranged sections, with partition plates between the sections, and a bottom of each section comprising a fixing groove; and joint portions on two sides of the section region.

Editorial analysis

A structured set of objections, weighed in public.

Desk editor's note, referee report, simulated authors' rebuttal, and a circularity audit. Tearing a paper down is the easy half of reading it; the pith above is the substance, this is the friction.

Desk Editor's Note private letter to a colleague

This is a patent claim for a specific biochip geometry with closed ends, partitioned sections, bottom grooves, and side joints, but it supplies no data or validation.

read the letter

This patent describes a biochip layout meant for cryopreservation or thawing of tissue. The structure has four closed ends, a central region split into sequential sections separated by partition plates, fixing grooves at the bottom of each section, and joint portions on the sides. That arrangement is the entire content of the claim. The document does a clear job spelling out the mechanical details without ambiguity. The specific combination of closed structure, grooves, and joints is presented as the inventive part. Beyond that, there is nothing else. No experiments, no performance numbers, no comparison to existing containers or chips, and no explanation of how the geometry is supposed to improve cell survival during temperature shifts. The functional claim therefore sits on an unsupported assumption. The text does not engage with any prior literature on cryopreservation devices or tissue handling, so there is no way to judge whether this layout improves on what is already available. It is a pure structural description rather than a tested result or derivation. Readers who work on patent filings or device prototyping in medical sample preservation might find the geometry useful as a reference point. Researchers looking for validated methods or new empirical findings will not get much from it. The document is not set up for peer review because there is no argument, data, or analysis to referee. It belongs in the patent system, not a journal process.

Referee Report

1 major / 0 minor

Summary. The manuscript is a patent claim describing a biochip for cryopreservation or thawing and resuscitation of biological tissue. It specifies a device with four closed ends, a central section region containing multiple sequentially arranged sections separated by partition plates (with a fixing groove at the bottom of each section), and joint portions on the two lateral sides of the section region.

Significance. If the geometry were shown to function, the design might represent a incremental structural approach to tissue handling in cryopreservation workflows. However, the complete absence of any experimental validation, performance data, mechanistic rationale, or comparison to existing devices means no scientific significance can be attributed; the contribution is limited to an untested geometric description.

major comments (1)

[Abstract, claim 1] Abstract (claim 1): The central functional claim—that the described closed structure, partition plates, fixing grooves, and joint portions enable cryopreservation or thawing/resuscitation—lacks any supporting evidence, experimental protocol, performance metrics, or error analysis. This is load-bearing because the title and claim assert a functional device without data to substantiate efficacy.

Simulated Author's Rebuttal

1 responses · 1 unresolved

We thank the referee for their comments on this patent claim. We note that the submission describes a structural invention rather than presenting empirical research, and we address the point raised below.

read point-by-point responses

Referee: [Abstract, claim 1] Abstract (claim 1): The central functional claim—that the described closed structure, partition plates, fixing grooves, and joint portions enable cryopreservation or thawing/resuscitation—lacks any supporting evidence, experimental protocol, performance metrics, or error analysis. This is load-bearing because the title and claim assert a functional device without data to substantiate efficacy.

Authors: This document is a patent claim that defines the novel geometry and structural features of the biochip. Patent claims specify the inventive structure and are not required to include experimental protocols, performance metrics, or error analysis; such validation is typically addressed through separate testing, prototypes, or additional filings rather than within the claim language itself. The closed ends, partition plates, fixing grooves, and joint portions are asserted to enable the intended use by providing compartmentalized containment and tissue fixation within a closed system. revision: no

standing simulated objections not resolved

The manuscript contains no experimental validation, performance data, or protocols, as it is limited to the patent claim describing the device structure.

Circularity Check

0 steps flagged

No circularity; pure structural patent claim with no derivation chain

full rationale

The document consists exclusively of a single structural claim describing a biochip geometry (closed ends, central section region with sequential sections, partition plates, fixing grooves at bottoms, and lateral joint portions). No equations, derivations, fitted parameters, predictions, self-citations, or functional mechanisms are present. The text is a pure definition of device features with no load-bearing step that reduces to its own inputs by construction, making the circularity score 0.

Axiom & Free-Parameter Ledger

0 free parameters · 0 axioms · 0 invented entities

The patent introduces no free parameters, mathematical axioms, or new physical entities; it simply enumerates mechanical features of a container. No independent evidence or derivations are supplied.

pith-pipeline@v0.9.1-grok · 5613 in / 1082 out tokens · 28977 ms · 2026-06-10T20:02:13.470471+00:00 · methodology

discussion (0)

Lean theorems connected to this paper

Citations machine-checked in the Pith Canon. Every link opens the source theorem in the public Lean library.

IndisputableMonolith.Foundation.RealityFromDistinction reality_from_one_distinction unclear

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unclear
Relation between the paper passage and the cited Recognition theorem.

A biochip for cryopreservation or thawing and resuscitation of biological tissue, with four ends of the biochip being of a closed structure, the biochip comprising: a section region arranged in a middle and comprising a plurality of sequentially arranged sections, with partition plates between the sections, and a bottom of each section comprising a fixing groove; and joint portions on two sides of the section region.

What do these tags mean?

matches: The paper's claim is directly supported by a theorem in the formal canon.
supports: The theorem supports part of the paper's argument, but the paper may add assumptions or extra steps.
extends: The paper goes beyond the formal theorem; the theorem is a base layer rather than the whole result.
uses: The paper appears to rely on the theorem as machinery.
contradicts: The paper's claim conflicts with a theorem or certificate in the canon.
unclear: Pith found a possible connection, but the passage is too broad, indirect, or ambiguous to say the theorem truly supports the claim.