Cited by 40Hydrogels: synthesis, properties, applicationsHemostasis and retained surgical itemsSurgical Sutures and Adhesives

Superwetting injectable hydrogel with ultrastrong and fast tissue adhesion for minimally invasive hemostasis

Wei, Congying, Shi, Weili, Zhao, Chuangqi, Yang, Shuai, Zheng, Jiajia, Zhong, JinPan, Zhao, Tianyi, Kong, Simin +2 more·2023·Advanced Healthcare Materials

Abstract

Injectable hydrogels have recently emerged as alternatives to sutures for various clinical indications. However, existing injectable hydrogels are unsuitable for hemostasis in minimally invasive surgery because of their weak interfacial adhesion and complex/prolonged processing. Herein, a superwetting injectable hydrogel composed of oppositely charged polysaccharides is developed. The spontaneous spreading of the injectable hydrogel on the surfaces achieves complete wetting and forms tight interfacial contact by absorbing the interfacial water. The superwetting ability and subsequent covalent crosslinking perform fast and ultrastrong wet adhesion (140 kPa) on the tissue surface. Ex vivo porcine and in vivo rat models show that the hydrogel successfully leads to the aggregation of erythrocytes for targeted hemostasis (in less than 12 s) without requiring external adjuncts, and no postsurgical adhesions to the peripheral tissues. This further demonstrates that hydrogel can act as an effective hemostasis agent in laparoscopic surgery in a rabbit model. Overall, the strong wet adhesion, antibacterial properties, and easy operability make this injectable hydrogel a promising candidate for hemostasis applications, as it can successfully combine clinical efficacy and transformation opportunities for minimally invasive surgery.

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Registry

Crossref · 10.1002/adhm.202201799

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56 of 56 references verified0 citation errors · 0 not checkable

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  • Injectable hydrogel-based tissue adhesives, with shape adaptability and minimally invasive characteristics, have become promising alternatives for hemorrhage control.

    “Injectable hydrogel-based tissue adhesives, with their shape adaptability and minimally invasive characteristics, have become promising alternatives for hemorrhage control [116].”

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Authors
Wei, C., Shi, W., Zhao, C., Yang, S., Zheng, J., Zhong, J., Zhao, T., Kong, S., Gong, X., & Liu, M.
Affiliations
  • Beihang University (CN)
  • Peking University Third Hospital (CN)
Corresponding author
  • Gong, Xi
  • Liu, Mingjie
Venue
Advanced Healthcare Materials
Publisher
Wiley
Published
2022-11-14
Volume
12
Issue
3
Pages
e2201799-e2201799
ISSN
  • 2192-2640 (ISSN-L)
  • 2192-2659
OpenAlex
W4308257874
Cited by
38
References
60
Citations by year
2026: 8 · 2025: 8 · 2024: 15 · 2023: 7
FWCI
2.46
Type
journal article
Language
en
Open access
closed
Locations
  • Advanced Healthcare Materials (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Natural Science Foundation of China (22161142021, 81902208)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Medicine › Hydrogels: synthesis, properties, applications
  • Health Sciences › Medicine › Hematology › Hemostasis and retained surgical items
  • Health Sciences › Medicine › Surgery › Surgical Sutures and Adhesives
Keywords
injectable hydrogel, superwetting, tissue adhesion, hemostasis, minimally invasive surgery, covalent cross-linking, erythrocyte aggregation, laparoscopic surgery, antibacterial hydrogel, postoperative adhesions
MeSH terms
Tissue Adhesions, Animals, Hemostasis, Polysaccharides, Rabbits, Swine, Hydrogels, Rats

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