Title:
MEDICAL DEVICE AND TREATMENT METHOD
Document Type and Number:
WIPO Patent Application WO/2018/062387
Kind Code:
A1
Abstract:
Provided are a medical device and a treatment method, whereby formation of a hole using energy and expansion of the formed hole can easily be performed without loss of biological tissue, and working efficiency can be increased. A medical device (10) for forming a hole in a biological tissue in a living body and expanding the hole, the medical device (10) having: a dilator (40) inside which a first lumen (45) is formed, the dilator (40) being provided with a tip part (42) in which the first lumen (45) opens on the distal side thereof; and an output part (21) for outputting energy for modifying the biological tissue and forming a hole; the output part (21) being disposed in the tip part (32) and being provided non-continuously in the circumferential direction of the tip part (32), and the outside diameter of the tip part (42) gradually decreasing toward the distal side.
Inventors:
OTSUBO SEIICHI (JP)
Application Number:
PCT/JP2017/035214
Publication Date:
April 05, 2018
Filing Date:
September 28, 2017
Export Citation:
Assignee:
TERUMO CORP (JP)
International Classes:
A61B17/34; A61M25/00
Foreign References:
| JP2554849B2 | 1996-11-20 | |||
| JPH06142111A | 1994-05-24 | |||
| JP2012050538A | 2012-03-15 | |||
| JP2000201946A | 2000-07-25 | |||
| JP2016193183A | 2016-11-17 |
Other References:
See also references of EP 3520724A4
Attorney, Agent or Firm:
YAMADA, Makito (JP)
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