Title:
ROCKET-IMITATION MICRONEEDLE MICROMOTOR AND PREPARATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2022/111438
Kind Code:
A1
Abstract:
A rocket-imitation microneedle micromotor and a preparation method therefor. The preparation thereof comprises the steps of preparing a needle tip portion, preparing a fuel load chamber, loading fuel and obtaining the microneedle micromotor, wherein the main method involves using a hydrogel as a raw material, an integrated bubble generation chemical reaction is used as a power source, the microneedle micromotor is obtained by a step-wise template replication method, and the microneedle micromotor is provided with a needle-tip morphological characteristic of a microneedle and a fin structure for loading the fuel. The prepared microneedle micromotor has good motion performance, can achieve the autonomous movement of the microneedle, and breaks through the limitation of a traditional microneedle relying on manual operation to intervene in a tissue. The microneedle micromotor is relatively easy to prepare and low cost, has high universality, and the application of a microneedle in field of biomedicine can be promoted.
Inventors:
ZHAO YUANJIN (CN)
CAI LIJUN (CN)
WANG YUETONG (CN)
SHANG LUORAN (CN)
CAI LIJUN (CN)
WANG YUETONG (CN)
SHANG LUORAN (CN)
Application Number:
PCT/CN2021/132264
Publication Date:
June 02, 2022
Filing Date:
November 23, 2021
Export Citation:
Assignee:
NANJING DRUM TOWER HOSPITAL (CN)
International Classes:
A61M37/00; A61M35/00
Domestic Patent References:
| WO2009094394A1 | 2009-07-30 |
Foreign References:
| CN112274771A | 2021-01-29 | |||
| CN112426514A | 2021-03-02 | |||
| CN111388407A | 2020-07-10 | |||
| CN105693923A | 2016-06-22 | |||
| CN111465387A | 2020-07-28 | |||
| CN106039552A | 2016-10-26 | |||
| CN111920942A | 2020-11-13 |
Attorney, Agent or Firm:
NANJING ZHONGSHAN PATENT AGENT CO., LTD. (CN)
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