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Patent Searching and Data


Title:
MEDICAL DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/193760
Kind Code:
A1
Abstract:
Provided is a medical device in which an expanding body capable of expanding radially is inhibited from being twisted circumferentially, and an energy transfer element can be effectively pressed against biological tissue. A medical device (10) comprising: an outer tube (20); an expanding body (40) that is capable of expanding radially by being contracted along a central axis; a pulling shaft (60); and a plurality of energy transfer elements (90) disposed in the expanding body (40), wherein the expanding body (40) has a plurality of main struts (41) in which the energy transfer elements (90) are arranged, and a leading end-side support strut (57) and a base end-side support strut (59) which are linked to the main struts (41), portions of the main struts (41) between the energy transfer elements (90) and force-receiving sections (53) that receive a pulling force from the pulling shaft (60) are generally parallel to the central axis as viewed from the outside in the radial direction, the leading end-side support strut (57) and the base end-side support strut (59) are joined to respective ones of two of the main struts (41) at joint portions, and are longer than a linear distance between the two joint portions.

Inventors:
TAKAHASHI YUSUKE (JP)
Application Number:
PCT/JP2021/012381
Publication Date:
September 30, 2021
Filing Date:
March 24, 2021
Export Citation:
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Assignee:
TERUMO CORP (JP)
International Classes:
A61B18/14
Domestic Patent References:
WO2019189079A12019-10-03
WO2004112629A12004-12-29
Foreign References:
JP2017104552A2017-06-15
Attorney, Agent or Firm:
YAMADA Makito (JP)
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