APPARATUS AND METHOD FOR FORMING AN INSERTION PAD FOR SUBRETINAL DELIVERY OF A THERAPEUTIC AGENT Russian patent published in 2021 - IPC A61F9/00 

FIELD: medical equipment.

SUBSTANCE: invention refers to devices for subretinal delivery of a therapeutic agent. Device comprises an injector. Injector comprises a body, a flexible cannula extending in the distal direction from the body, a flexible needle, wherein the needle is translationally movable relative to the cannula, and a sensor, wherein the sensor is configured to determine the position of the needle relative to the cannula. Device also comprises: a first fluid tube connected to the needle; a second fluid tube connected to the needle; and control module, wherein the control module is connected to the sensor, wherein the control module is connected to the first fluid medium pipe, wherein the control module is connected to the second fluid pipe. Control module is configured to provide the first fluid supply through the first tube to the needle by the signal from the sensor. Besides, the control module is additionally configured to provide supply of the second fluid medium along the second tube to the needle.

EFFECT: disclosed is an apparatus and a method for forming an insertion pad for subretinal delivery of a therapeutic agent.

20 cl, 36 dwg