Retractable backflush handpiece

- Alcon Inc.
Skip to: Description  ·  Claims  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is an isometric view of a retractable backflush handpiece of the present invention.

FIG. 2 is a first side view of the retractable backflush handpiece of the present invention.

FIG. 3 is a top view of the retractable backflush handpiece of the present invention.

FIG. 4 is a second, opposing (as to FIG. 2), side view of the retractable backflush handpiece of the present invention.

FIG. 5 is a bottom view of the retractable backflush handpiece of the present invention.

FIG. 6 is a front view of the retractable backflush handpiece of the present invention; and,

FIG. 7 is a rear view of the retractable backflush handpiece of the present invention.

The broken lines in the drawings illustrate portions of the retractable backflush handpiece and form no part of the claimed design.

Claims

The ornamental design of a retractable backflush handpiece, as shown and described.

Referenced Cited
U.S. Patent Documents
D639946 June 14, 2011 Simon
D655406 March 6, 2012 Ma
D715430 October 14, 2014 Yu
D740410 October 6, 2015 Korkuch
9192515 November 24, 2015 Papac
D762851 August 2, 2016 Tegg
9730834 August 15, 2017 Charles
9731065 August 15, 2017 Bourne
9750637 September 5, 2017 Schaller
9757536 September 12, 2017 Abt
9878075 January 30, 2018 Sussman
D878551 March 17, 2020 Hochman
D893018 August 11, 2020 Fuentes-Ortega
D908866 January 26, 2021 Fuentes-Ortega
D978338 February 14, 2023 Hochman
D982741 April 4, 2023 Lee-Sepsick
11779746 October 10, 2023 Mide
20070260173 November 8, 2007 Boukhny
20080167604 July 10, 2008 Hong
20160067091 March 10, 2016 Wells
20160217707 July 28, 2016 Jutila
20180296391 October 18, 2018 Charles
20190374248 December 12, 2019 Grueebler
20200188561 June 18, 2020 Grueebler
20200397476 December 24, 2020 Schaller
20200397477 December 24, 2020 Schaller
20210059702 March 4, 2021 Abt
20220192875 June 23, 2022 Grüebler
Foreign Patent Documents
202426711 September 2012 CN
306425366 March 2021 CN
007707500-0001 March 2020 EM
009043599-0001 June 2022 EM
Other references
  • BVI backflush atraumatic aspiration instrument, BVI medical, [Post date unknown], [Site seen Oct. 12, 2023], Seen at URL: https://www.bvimedical.com/products/backflush-instruments-vitreo/ (Year: 2023).
  • Extendible brush backflush instrument with active aspiration. (23 gauge / 0.6 mm), D.O.R.C. Dutch Ophthalmic Research Center, [Post date unknown], [Site seen Oct. 12, 2023], seen at url: https://dorcglobal.com/product/extendible-brush-backflush-instrument-active-aspiration-23-gauge-06-mm (Year: 2023).
  • Grieshaber Advanced Backflush Soft Tip DSP,MyAlcon, [Post date unknown], [Site seen Oct. 12, 2023], Seen at URL: https://www.myalcon.com/no/professional/vitreoretinal-surgery/advanced-backflush/ (Year: 2023).
  • Alcon Global Vitreoretinal Product Catalog, 2014 (pp. 41-48).
  • DORC: Focus on Highlights catalog, 2012, pp. 9-11, 20, 34, 35.
  • https://www.vitreq.com/uploads/brochures/Vitreq_BVI_Brochure_Backflush_2018.pdf (accessed May 29, 2020, appears to be dated Jun. 2018 (8 pages).
  • MedOne Backflush Cannulas brochure, dated 2018 (1 page).
  • MedOne Brochure, “Exactly What Your Looking For—High Quality Instruments for Vitreoretinal Surgery,” 2012, 12pages.
Patent History
Patent number: D1029239
Type: Grant
Filed: Dec 7, 2021
Date of Patent: May 28, 2024
Assignee: Alcon Inc. (Fribourg)
Inventors: Niels Alexander Abt (Winterthur), Reto Grüebler (Greifensee), Simon Nicola Kunz (Zurich), Niccolo Maschio (Winterthur), Christoph Siegenthaler (Eschenz)
Primary Examiner: Natasha Vujcic
Assistant Examiner: Gilbert B Ford
Application Number: 29/790,665