What does this research mean for the field?

The magnetically controlled dual-target constant-rate drug delivery capsule system (M-DCDC) enables highly linear, quantitatively adjustable drug infusion and stable anchoring to resist intestinal peristalsis for targeted gastrointestinal treatment. Novelty: ClaimNovelty.METHODOLOGICAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

To develop and evaluate a magnetically controlled capsule robot capable of decoupled dual-target constant-rate drug delivery and stable mechanical anchoring within the gastrointestinal tract.

September 8, 2026Journal of Zhejiang University. Science A

Magnetically controlled capsule robot for dual-target constant-rate drug delivery and stable anchoring

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To develop and evaluate a magnetically controlled capsule robot capable of decoupled dual-target constant-rate drug delivery and stable mechanical anchoring within the gastrointestinal tract.
Engineered a capsule mechanism featuring a specialized screw–piston transmission for linear flow control, two independent 0.6 mL reservoirs actuated by magnetic rotation reversal, and a zero-power self-locking anchoring module.
Evaluated infusion mechanics, anchoring resistance, and localized delivery through analytical modeling, finite element analysis (FEA), benchtop testing, and ex vivo experiments in porcine intestines.
Achieved predictable linear infusion proportional to external magnetic rotation frequency, reaching a maximum delivery rate of 0.1 mL/s across both decoupled 0.6 mL drug reservoirs.
Maintained positional stability against intestinal peristaltic forces of up to 0.32 N during ex vivo porcine tissue trials, successfully enabling targeted localized staining.

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Implication

Preclinical evaluation demonstrates magnetically controlled dual-target drug release and anchoring in porcine intestines, suggesting a viable platform for multifocal gastrointestinal therapy.

Cite This Study

Qu et al. (2026) studied this question.

synapsesocial.com/papers/6a9fd83b58e84d0ff5b47a52 https://doi.org/10.1631/jzus.a2600363

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Implication

Preclinical evaluation demonstrates magnetically controlled dual-target drug release and anchoring in porcine intestines, suggesting a viable platform for multifocal gastrointestinal therapy.

Magnetically controlled capsule robot for dual-target constant-rate drug delivery and stable anchoring

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Discussion

Implication

Cite This Study

Magnetically controlled capsule robot for dual-target constant-rate drug delivery and stable anchoring

Key Points

Discussion

Implication

Cite This Study

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