Patent ID: 11931242
Assignee: UNIVERSITAET ZU KOELN
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 18:
19. Device for the preparation of a Descemet's membrane-endothelium graft comprising
a. a bowl with an inner bottom and a sidewall surrounding the inner bottom, the bowl being configured to receive a fluid and a Descemet's membrane-endothelium graft or a donor cornea graft comprising a Descemet's membrane-endothelium graft floating in the fluid,
b. a preparation area located in a first part of the inner bottom, the preparation area being configured for receiving and preparing the graft prior to transport, and
c. a transfer area located in a second part of the inner bottom between the preparation area and an outlet opening in the sidewall, the outlet opening being entirely located below an upper rim of the sidewall,
wherein
the bowl comprises a base configured for placing the bowl on a support, the base being configured to provide a first stable position of the bowl for preparing the graft and a second stable position of the bowl for transferring the prepared graft towards the outlet opening and a lower surface of the base comprises
a. a plane first lower surface part underneath the preparation area and a plane second lower surface part underneath the transfer area, the second lower surface area rising in height in a direction towards the outlet opening, or
b. a first lower surface part underneath the preparation area having a first set of at least three contact elements and a second lower surface part underneath the transfer area having a second set of at least three contact elements, tips of the first set of contact elements being located in a first plane and tips of the second set of contact elements being located in a second plane, the second plane rising in height in a direction towards the outlet opening.