Tissue Isolation Balloon Device for Radiotherapy

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TISSUE ISOLATION DEVICES CAPABLE OF REPEATED INFLATION AND DEFLATION IN VIVO

Application US20260097233A1 Kind: A1 Apr 09, 2026

Assignee

BEIJING QIFAN BOCHUANG MEDICAL TECHNOLOGY CO., LTD.

Inventors

Qutong XI, Xin LIANG, Xiaopeng LIU

Abstract

The present disclosure relates to a tissue isolation device capable of repeated inflation and deflation in vivo. The device includes: an isolation balloon arranged between healthy tissues and target tissues for a radiotherapy course, and the isolation balloon is removed from a body of a subject following the radiotherapy course. The isolation balloon is operable to assume an inflated state and a deflated state, the isolation balloon in the inflated state is used to isolate the healthy tissues and the target tissues. The isolation balloon includes a first contact surface and a second contact surface, under the inflated state, the first contact surface contacts the healthy tissues, and the second contact surface contacts the target tissues, a distance between the first contact surface and the second contact surface is in a preset range.

CPC Classifications

A61N 5/10 A61M 19/00 A61M 37/00 A61M 2202/0007 A61M 2202/048 A61M 2202/049 A61M 2205/0238 A61N 2005/1094 A61N 2005/1096

Filing Date

2025-12-12

Application No.

19417896

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