WO2023052871 - OTOLOGICAL SURGERY UNDER PERFLUOROCARBON LIQUIDS
National phase entry is expected:
Publication Number
WO/2023/052871
Publication Date
06.04.2023
International Application No.
PCT/IB2022/058225
International Filing Date
01.09.2022
Title **
[English]
OTOLOGICAL SURGERY UNDER PERFLUOROCARBON LIQUIDS
[French]
CHIRURGIE OTOLOGIQUE SOUS LIQUIDES PERFLUOROCARBONÉS
Applicants **
ALCON INC.
Rue Louis-d'affry 6
1701 Fribourg, CH
Inventors
HALLEN, Paul R.
c/o Alcon Vision, LLC
6201 South Freeway
Fort Worth, Texas 76134, US
Priority Data
63/249,123
28.09.2021
US
Application details
| Total Number of Claims/PCT | * |
| Number of Independent Claims | * |
| Number of Priorities | * |
| Number of Multi-Dependent Claims | * |
| Number of Drawings | * |
| Pages for Publication | * |
| Number of Pages with Drawings | * |
| Pages of Specification | * |
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| * | |
International Searching Authority |
EPO
* |
| Applicant's Legal Status |
Legal Entity
* |
| * | |
| * | |
| * | |
| * | |
| Entry into National Phase under |
Chapter I
* |
| Translation |
|
Recalculate
* The data is based on automatic recognition. Please verify and amend if necessary.
** IP-Coster compiles data from publicly available sources. If this data includes your personal information, you can contact us to request its removal.
Quotation for National Phase entry
| Country | Stages | Total | |
|---|---|---|---|
| China | Filing | 1103 | |
| EPO | Filing, Examination | 4575 | |
| Japan | Filing | 587 | |
| South Korea | Filing | 574 | |
| USA | Filing, Examination | 2710 |
Total: 9549 USD
The term for entry into the National Phase has expired. This quotation is for informational purposes only
Abstract[English]
Certain embodiments described herein provide a method of performing an otological surgical procedure including surgically accessing a middle ear, injecting a perfluorocarbon liquid into the middle ear, and suctioning the isolated blood from the middle ear without removing the perfluorocarbon liquid. The perfluorocarbon liquid is immiscible with blood for isolating blood in the middle ear from the perfluorocarbon liquid. In certain embodiments, the perfluorocarbon liquid has a specific gravity greater than blood to apply positive pressure to surrounding tissues. In certain embodiments, the method includes suctioning the perfluorocarbon liquid from the middle ear after the isolated blood is removed.