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International application No. Applicant's or agent's file reference
PCT/US2018/046261 THVVA-8881WO01
International filing date (day/month/year) (Earliest) Priority Date (day/month/year)
10 August 2018 11 August 2017
FOR FURTHER ACTION: See Form PCT/ISA/220 as well as, where applicable, item 5 below.
This international search report has been prepared by this International Searching Authority and is transmitted to the applicant according to Article 18. A copy is being transmitted to the International Bureau.
It is also accompanied by a copy of each prior art document cited in this report.
1. Basis of the report
a. With regard to the language, the international search was carried out on the basis of:
the international application in the language in which it was filed.
a translation of the international application into                                          which is the language of a translation furnished for the purposes of international search (Rules 12.3(a) and 23.1(b)).
This international search report has been established taking into account the rectification of an obvious mistake authorized by or notified to this Authority under Rule 91 (Rule 43.6bis(a)).
With regard to any nucleotide and/or amino acid sequence disclosed in the international application, the international search was carried out on the basis of a sequence listing:
2. Certain claims were found unsearchable
This international search report has not been established in respect of certain claims under Article 17(2)(a) for the following reasons:
Claims Nos.:
because they relate to subject matter not required to be searched by this Authority, namely:
Claims Nos.: 9
because they relate to parts of the international application that do not comply with the prescribed requirements to such an extent that no meaningful international search can be carried out, specifically:
Claim 9 refers to an unsearchable claim which does not comply with PCT Rule 6.4(a).
Claims Nos.: 8,10,15
because they are dependent claims and are not drafted in accordance with the second and third sentences of Rule 6.4(a).
3. Unity of invention is lacking
4. Title of the invention
The text is approved as submitted by the applicant.
The text has been established by this Authority to read as follows:
5. Abstract
The text is approved as submitted by the applicant.
The text has been established, according to Rule 38.2, by this Authority as it appears in Box No. IV. The applicant may, within one month from the date of mailing of this international search report, submit comments to this Authority.
6. Drawings
The figure of the drawings to be published with the abstract is Figure No.     1    
as suggested by the applicant.
as selected by this Authority, because the applicant failed to suggest a figure.
as selected by this Authority, because this figure better characterizes the invention.
none of the figures is to be published with the abstract.


     A61F 2/24 (2006.01)i
According to International Patent Classification (IPC) or to both national classification and IPC


Minimum documentation searched (classification system followed by classification symbols):
Documentation searched other than minimum documentation to the extent that such documents are included in the fields searched:
Korean utility models and applications for utility modelsJapanese utility models and applications for utility models
Electronic data base consulted during the international search (name of data base and, where practicable, search terms used):
eKOMPASS(KIPO internal) & Keywords: prosthetic heart valve, frame, leaflet structure, sealing element, woven portion, filaments, loops, floating yarn, weft yarn, warp yarn


Category* Citation of document, with indication, where appropriate, of the relevant passages Relevant to claim No.
US 2013-0190862 A1 (PINTOR, R. et al.) 25 July 2013 See paragraphs [0091]-[0185]; claims 1-20; figures 5A-45B.
US 2017-0172736 A1 (EDWARDS LIFESCIENCES CORPORATION) 22 June 2017 See paragraphs [0040], [0052], [0058], [0065], [0070]-[0074]; claim 1; figures 1-4.
US 4892539 A (KOCH, D.) 09 January 1990 See the whole document.
US 2009-0171443 A1 (KUPPURATHANAM, S. S. et al.) 02 July 2009 See the whole document.
US 5178630 A (SCHMITT, P. J.) 12 January 1993 See the whole document.
Special categories of cited documents:
document defining the general state of the art which is not considered to be of particular relevance
earlier application or patent but published on or after the international filing date
document which may throw doubts on priority claim(s) or which is cited to establish the publication date of another citation or other special reason (as specified)
document referring to an oral disclosure, use, exhibition or other means
document published prior to the international filing date but later than the priority date claimed
later document published after the international filing date or priority date and not in conflict with the application but cited to understand the principle or theory underlying the invention
document of particular relevance; the claimed invention cannot be considered novel or cannot be considered to involve an inventive step when the document is taken alone
document of particular relevance; the claimed invention cannot be considered to involve an inventive step when the document is combined with one or more other such documents, such combination being obvious to a person skilled in the art
document member of the same patent family


Patent document cited in search report Publication date
Patent family member(s) Publication date
US 2013-0190862 A1
25 July 2013
AU 2011-299446 A1
AU 2011-299446 B2
CA 2900655 A1
CA 2811043 A1
CA 2900290 A1
CN 105073068 B
CN 103200900 B
CN 105073068 A
CN 103200900 A
CN 105142578 B
CN 105142578 A
EP 2967922 A1
EP 2967922 B1
EP 2967869 A1
EP 2613738 A2
EP 2967869 B1
JP 6018064 B2
JP 2013-540469 A
US 2017-0135814 A1
US 2017-0224484 A1
US 8641757 B2
US 9125741 B2
US 2016-0128830 A1
US 2014-0200661 A1
US 2013-0245751 A1
US 2012-0065729 A1
US 9968450 B2
US 9504563 B2
US 9370418 B2
WO 2014-164832 A1
WO 2014-164302 A1
WO 2012-033604 A3
WO 2012-033604 A2
04 April 2013
29 September 2016
09 October 2014
15 March 2012
09 October 2014
15 March 2017
25 May 2016
18 November 2015
10 July 2013
24 May 2017
09 December 2015
20 January 2016
20 December 2017
20 January 2016
17 July 2013
31 January 2018
02 November 2016
07 November 2013
18 May 2017
10 August 2017
04 February 2014
08 September 2015
12 May 2016
17 July 2014
19 September 2013
15 March 2012
15 May 2018
29 November 2016
21 June 2016
09 October 2014
09 October 2014
18 May 2012
15 March 2012
US 2017-0172736 A1
22 June 2017
CA 3007658 A1
CN 108368648 A
EP 3390706 A1
WO 2017-106622 A1
22 June 2017
03 August 2018
24 October 2018
22 June 2017
US 4892539 A
09 January 1990
EP 0327903 A2
EP 0327903 A3
EP 0327903 B1
JP 01-274756 A
JP 2928254 B2
16 August 1989
29 May 1991
05 January 1994
02 November 1989
03 August 1999
US 2009-0171443 A1
02 July 2009
US 8834552 B2
16 September 2014
US 5178630 A
12 January 1993
CA 2050030 A1
JP 04-226647 A
JP 2960586 B2
US 5282846 A
US 5509931 A
01 March 1992
17 August 1992
06 October 1999
01 February 1994
23 April 1996
Name and mailing address of the ISA/:
Korean Intellectual Property Office
189 Cheongsa-ro, Seo-gu, Daejeon Metropolitan City, 302-701
Republic of Korea
Facsimile No. +82-42-481-8578
Date of the actual completion of the international search:
18 March 2019
Date of mailing of the international search report:
18 March 2019
Authorized officer:
HAN, Inho
Telephone No. +82-42-481-3362
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