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International application No. Applicant's or agent's file reference
PCT/US2018/052867 C00015817WO1
International filing date (day/month/year) (Earliest) Priority Date (day/month/year)
26 September 2018 27 September 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.: 13-20
because they relate to subject matter not required to be searched by this Authority, namely:
Claim 13 is directed to a method for ablation visualisation. The purpose of said method is to provide information to an operator about the position of an ablation probe inside the body of a patient, so that he/she can take informed decisions about its displacement and/or application of ablation.
Both displacement of a medical instrument and the application of ablation are considered to be physical interventions which involve a health risk for the patient even when carried out with the required medical professional care and expertise, and are therefore considered to be of surgical nature. Although these steps are not part of the method claimed, they cannot be disassociated from it, since the method steps require the presence of a medical instrument inside the body of a patient and at least indirectly determine a course of action which is of surgical nature.
As a consequence, the subject-matter of claim 13 and it dependent claims 14-20 is considered to fall under the provisions of Art.17(2)(a)(i) and R. 39.1(iv) PCT.
Claims Nos.:
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:
Claims Nos.:
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.     1A    
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.


     A61B 6/12 (2006.01)i; A61B 6/03 (2006.01)i; A61B 6/00 (2006.01)i; A61B 34/20 (2016.01)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:
Electronic data base consulted during the international search (name of data base and, where practicable, search terms used):
EPO-Internal, WPI Data


Category* Citation of document, with indication, where appropriate, of the relevant passages Relevant to claim No.
US 2002114423 A1 (GRASS MICHAEL [DE] ET AL) 22 August 2002 (2002-08-22)
paragraph [0006] - paragraph [0010]
paragraph [0013] - paragraph [0015]
paragraph [0024] - paragraph [0026]
figures 1,2
US 2002128551 A1 (GRASS MICHAEL [DE] ET AL) 12 September 2002 (2002-09-12)
paragraph [0017] - paragraph [0026]
figures 2A, 2B
US 2016038247 A1 (BHARADWAJ JEETENDRA [US] ET AL) 11 February 2016 (2016-02-11)
paragraph [0068] - paragraph [0069]
paragraph [0079] - paragraph [0089]
figures 5A, 5B, 6A, 6B
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 2002114423 A1
22 August 2002
EP 1359847 A1
JP 4553551 B2
JP 2004518475 A
US 2002114423 A1
WO 02062224 A1
12 November 2003
29 September 2010
24 June 2004
22 August 2002
15 August 2002
US 2002128551 A1
12 September 2002
DE 19958407 A1
EP 1114621 A2
JP 4729167 B2
JP 2001190529 A
US 2002128551 A1
07 June 2001
11 July 2001
20 July 2011
17 July 2001
12 September 2002
US 2016038247 A1
11 February 2016
AU 2015301863 A1
CA 2957715 A1
CN 107072625 A
EP 3179918 A1
JP 2017532078 A
US 2016038247 A1
US 2016038248 A1
WO 2016025484 A1
23 February 2017
18 February 2016
18 August 2017
21 June 2017
02 November 2017
11 February 2016
11 February 2016
18 February 2016
Name and mailing address of the ISA/:
European Patent Office
P.B. 5818, Patentlaan 2, 2280 HV Rijswijk,
Telephone No. (+31-70)340-2040
Facsimile No. (+31-70)340-3016
Date of the actual completion of the international search:
08 March 2019
Date of mailing of the international search report:
18 March 2019
Authorized officer:
Montes, Pau
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