# US 10,500,090 B2 · Devices and methods for a cannula-delivered treatment material application device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,500,090 B2 - Document ID: US10500090B2 - Status: Granted - Kind: B2 - Application number: 15/378,257 - Filed: 2016-12-14 - Published: 2017-06-22 - Granted: 2019-12-10 - Earliest claimed: 2015-12-16 - Assignees: Novartis AG - Applicants: Novartis AG - Inventors: Nicholas Max Gunn; Andrew David Johnson; Pooria Sharif Kashani - Web page: https://patentgrep.com/patent/US10500090B2 ## CPC - A61F 9/0008: {Introducing ophthalmic products into the ocular cavity or retaining products therein (putting in contact lenses A61F9/0061; introducing or retaining media in cavities of the body in general A61M31/00)} - A61F 9/0017: {implantable in, or in contact with, the eye, e.g. ocular inserts} - A61B 17/3421: {Cannulas} - A61F 9/007: Methods or devices for eye surgery - A61F 9/00727: {Apparatus for retinal reattachment} - A61F: FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS (dental prosthetics A61C) - A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D) ## Abstract Methods and systems for performing an ophthalmic surgical treatment procedure include one or more wicking members to secure a volume of treatment fluid to a distal end of a surgical instrument. Such a surgical instrument may include an elongate tubular member having a proximal end, a distal end, and a lumen extending therebetween, the elongate tubular member being configured to penetrate a body cavity of a patient. The instrument may further include a wicking member extending beyond the distal end of the elongate tubular member. The wicking member may be configured to secure a volume of treatment fluid delivered through the lumen to the wicking member for application from the wicking member to target tissue in the body cavity. ## Claims ### Claim 1 An ophthalmic surgical instrument comprising: an elongate tubular member having a proximal end, a distal end, and a lumen extending therebetween, the elongate tubular member being configured to penetrate a body cavity of a patient; a wicking member extending beyond the distal end of the elongate tubular member, the wicking member configured to secure a volume of treatment fluid delivered through the lumen to the wicking member for application from the wicking member to a target tissue in the body cavity; a fluid source system, comprising: a reservoir comprising the treatment fluid; and a dispensing system, coupled to the elongate tubular member, configured to cause the treatment fluid from the reservoir to be dispensed through the lumen of the elongate tubular member; wherein the wicking member comprises a loop of a material extending out from the lumen of the elongate tubular member; wherein the loop comprises a closed distal end and wherein a proximal end of the loop extends into the elongate tubular member to receive the treatment fluid. ### Claim 2 (depends on 1) The ophthalmic surgical instrument of claim 1, wherein the loop of the material can be retracted into the lumen. ### Claim 3 (depends on 1) The ophthalmic surgical instrument of claim 1, wherein the material is one of: a metal, an elastomer, a shape-memory material; a polymer; and a glass. ### Claim 4 (depends on 1) The ophthalmic surgical instrument of claim 1, wherein the treatment fluid is a tissue adhesive. ### Claim 5 (depends on 1) The ophthalmic surgical instrument of claim 1, further comprising a fluid source coupled to the lumen of the elongate tubular member. ### Claim 6 (depends on 1) The ophthalmic surgical instrument of claim 1, wherein the treatment fluid comprises a two part combination, wherein the treatment fluid is configured to cure during a period of time after the two part combination is mixed as the two part combination passes through the lumen of the elongate tubular member. ### Claim 7 (depends on 1) The ophthalmic surgical instrument of claim 1, further comprising a deployment control system configured to deploy the wicking member from a proximal position inside the elongate tubular member to a distal position in which the loop of the wicking member extends out of the elongate tubular member; and wherein the fluid source system and the deployment control system are jointly operable such that a single control directs a simultaneous deployment of the wicking member and the dispensing of the treatment fluid. ### Claim 8 A surgical instrument comprising: an elongate tubular member having a proximal end, a distal end, and a lumen extending therebetween, the elongate tubular member being configured for insertion into a cavity of a patient; a fluid source system coupled to the lumen of the elongate tubular member, wherein the fluid source system comprises: a reservoir comprising a treatment fluid; and a dispensing system, coupled to the elongate tubular member, configured to cause the treatment fluid from the reservoir to be dispensed through the lumen of the elongate tubular member; and a wicking member extending beyond the distal end of the elongate tubular member, the wicking member configured to secure a volume of the treatment fluid delivered through the lumen to the wicking member for application from the wicking member to target tissue in the cavity; wherein the wicking member comprises a loop of a material extending out from the lumen of the elongate tubular member; wherein the loop comprises a closed distal end and wherein a proximal end of the loop extends into the elongate tubular member to receive the treatment fluid. ### Claim 9 (depends on 8) The surgical instrument of claim 8, wherein the wicking member is deployable from the distal end of the elongate tubular member. ### Claim 10 (depends on 8) The surgical instrument of claim 8, wherein the wicking member has a rectangular cross-section. ### Claim 11 (depends on 8) The surgical instrument of claim 8, wherein the fluid source system is configured to dispense the treatment fluid through the lumen as the wicking member is deployed beyond the distal end of the elongate tubular member. ### Claim 12 (depends on 8) The surgical instrument of claim 8, wherein a diameter of the lumen is in a range from about 0.2 mm (millimeters) to about 0.6 mm. ### Claim 13 (depends on 8) The surgical instrument of claim 8, wherein the treatment fluid comprises a two part combination, wherein the treatment fluid is configured to cure during a period of time after the two part combination is mixed as the two part combination passes through the lumen of the elongate tubular member. ### Claim 14 (depends on 8) The surgical instrument of claim 8, further comprising a deployment control system configured to deploy the wicking member from a proximal position inside the elongate tubular member to a distal position in which the loop of the wicking member extends out of the elongate tubular member; and wherein the fluid source system and the deployment control system are jointly operable such that a single control directs a simultaneous deployment of the wicking member and the dispensing of the treatment fluid.