A61L 27/3882
Hollow organs
Official title: {Hollow organs, e.g. bladder, esophagus, urether, uterus}
A61L27/3882 (Hollow organs) appears on 81 US grants and 133 published applications in this corpus.
Search patents in A61L- Granted patents
- 81
- Published applications
- 133
- Assignees
- 74
- Inventors
- 266
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 2 |
| 2002 | 2 | 0 |
| 2003 | 1 | 2 |
| 2004 | 1 | 3 |
| 2005 | 0 | 0 |
| 2006 | 1 | 3 |
| 2007 | 0 | 5 |
| 2008 | 0 | 3 |
| 2009 | 4 | 2 |
| 2010 | 2 | 5 |
| 2011 | 1 | 7 |
| 2012 | 2 | 4 |
| 2013 | 0 | 6 |
| 2014 | 5 | 9 |
| 2015 | 4 | 4 |
| 2016 | 4 | 3 |
| 2017 | 4 | 7 |
| 2018 | 1 | 5 |
| 2019 | 8 | 11 |
| 2020 | 6 | 13 |
| 2021 | 4 | 8 |
| 2022 | 6 | 9 |
| 2023 | 1 | 6 |
| 2024 | 8 | 6 |
| 2025 | 7 | 6 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for obtaining healthy intestinal organoids22 Sep 2026US 12,741,061 B2Precision Cancer Technologies Inc.
- Biodegradable soft elastomers for regenerative engineering2 Jun 2026US 12,642,889 B2Ann & Robert H. Lurie Children's Hospital of Chicago
- Method for producing enteric neural precursors6 Jan 2026US 12,516,288 B2Kyoto University
- Crosslinking submucosal injectate system2 Dec 2025US 12,485,204 B2Cook Medical Technologies LLC
- Tubular prostheses18 Nov 2025US 12,472,057 B2Humacyte, Inc.
- Epithelial cell tube for tracheal transplantation17 Sep 2026US 2026/0273138 A1Seoul National University R&Db Foundation
- Bioengineered internal anal sphincter constructs and methods of use thereof12 Feb 2026US 2026/0041818 A1Cellf-Bio, Inc.
- Laser ablation/removal and laser induced forward transfer of biological material29 Jan 2026US 2026/0027262 A1Phosprint P.C.
- Compositions and methods for treating diabetes8 Jan 2026US 2026/0007805 A1Aspect Biosystems Ltd.
- Methods and Compositions for Tissue Regeneration2 Oct 2025US 2025/0303027 A1
Most cited
By later US patents
- Tissue formation by injecting a cell-polymeric solution that gels in vivo318US 5,709,854 AMassachusetts Institute of Technology · 1998
- Three-dimensional polymer matrices268US 6,471,993 B1Massachusetts Institute of Technology · 2002
- Injectable bladder muscle cells-polymer suspension for treatment of vesicoureteral reflux and incontinence142US 5,667,778 AChildren's Medical Center Corporation · 1997
- Bladder submucosa seeded with cells for tissue reconstruction109US 6,171,344 B2Children's Medical Center Corporation · 2001
- Bladder reconstruction105US 6,576,019 B1Children's Medical Center Corporation · 2003