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International application No. Applicant's or agent's file reference
PCT/US2019/048628 ISRG11740PCT
International filing date (day/month/year) (Earliest) Priority Date (day/month/year)
28 August 2019 29 August 2018
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
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.     2a    
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.


     G02B 27/01 (2006.01)i; G06F 3/01 (2006.01)i; G06K 9/00 (2006.01)i; H04N 13/383 (2018.01)i; A61B 3/113 (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):
     G02B; G06F; H04N; G06K; A61B
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 2015160725 A1 (LEE HEE KYUNG [KR] ET AL) 11 June 2015 (2015-06-11)
paragraphs [0039], [0044], [0051]
US 2015310253 A1 (AGRAWAL MUDIT [US] ET AL) 29 October 2015 (2015-10-29)
paragraphs [0012] - [0015], [0018] - [0021]
US 2016270655 A1 (CARAFFI CLAUDIO [DE] ET AL) 22 September 2016 (2016-09-22)
paragraphs [0042], [0069] - [0072], [0077], [0081] - [0083], [0088] - [0089]
US 2017316264 A1 (GUSTAFSSON SIMON [SE] ET AL) 02 November 2017 (2017-11-02)
paragraph [0052]
US 2017031435 A1 (RAFFLE HAYES SOLOS [US] ET AL) 02 February 2017 (2017-02-02)
paragraphs [0105] - [0108]
Special categories of cited documents:
document defining the general state of the art which is not considered to be of particular relevance
document cited by the applicant in the international application
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 2015160725 A1
11 June 2015
KR 20150067608 A
US 2015160725 A1
18 June 2015
11 June 2015
US 2015310253 A1
29 October 2015
AU 2015253554 A1
BR 112016024889 A2
CA 2943426 A1
CL 2016002668 A1
CN 106462236 A
CN 110266916 A
EP 3137973 A1
IL 247738 A
JP 6592000 B2
JP 2017521738 A
KR 20160146858 A
MX 366780 B
PH 12016501886 A1
RU 2016142286 A
SG 11201608289Y A
TW 201541284 A
US 2015310253 A1
US 2016358009 A1
WO 2015167906 A1
20 October 2016
15 August 2017
05 November 2015
21 April 2017
22 February 2017
20 September 2019
08 March 2017
30 June 2019
16 October 2019
03 August 2017
21 December 2016
24 July 2019
19 December 2016
27 April 2018
29 November 2016
01 November 2015
29 October 2015
08 December 2016
05 November 2015
US 2016270655 A1
22 September 2016
CN 105828700 A
EP 3079560 A1
JP 6144429 B2
JP 2016539717 A
US 2016270655 A1
WO 2015086617 A1
03 August 2016
19 October 2016
07 June 2017
22 December 2016
22 September 2016
18 June 2015
US 2017316264 A1
02 November 2017
US 2017031435 A1
02 February 2017
CN 107787473 A
EP 3329671 A1
US 2017031435 A1
US 2018107273 A1
WO 2017023705 A1
09 March 2018
06 June 2018
02 February 2017
19 April 2018
09 February 2017
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:
06 November 2019
Date of mailing of the international search report:
15 November 2019
Authorized officer:
Martelli, Luca
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