The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Oct. 29, 2024

Filed:

May. 16, 2022
Applicant:

Shanghai United Imaging Healthcare Co., Ltd., Shanghai, CN;

Inventors:

Jian Liu, Shanghai, CN;

Kun Yang, Shanghai, CN;

Jian Zhang, Shanghai, CN;

Yanfang Liu, Shanghai, CN;

Cheng Ni, Shanghai, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61N 5/10 (2006.01); G21K 1/04 (2006.01);
U.S. Cl.
CPC ...
A61N 5/1045 (2013.01); A61N 5/1036 (2013.01); A61N 5/1048 (2013.01); A61N 5/1081 (2013.01); G21K 1/046 (2013.01);
Abstract

The present disclosure generally relates to a multi-leaf collimator. The multi-leaf collimator may include a set of leaves installed in a cavity, each leaf of the set of leaves having a length along a first direction. At least a portion of the set of leaves may extend beyond the cavity along the first direction. The set of leaves may be arranged along a second direction, the second direction being different from the first direction. A length of a target leaf of the set of leaves may be less than a length of a reference leaf of the set of leaves. The target leaf may be located in an end portion of the set of leaves along the second direction. The length of the set of leaves may conform to the shape of a maximum therapeutic radiation field.


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