# US 10,869,990 B2 · Infusion catheter with high pressure capabilities > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,869,990 B2 - Document ID: US10869990B2 - Status: Granted - Kind: B2 - Application number: 15/649,200 - Filed: 2017-07-13 - Published: 2018-01-18 - Granted: 2020-12-22 - Earliest claimed: 2016-07-13 - Assignees: Boston Scientific Scimed, Inc. - Applicants: Boston Scientific Scimed, Inc. - Inventors: Michael J. Bonnette; Michael P. Schrom - Web page: https://patentgrep.com/patent/US10869990B2 ## CPC - A61M 25/0074: {Dynamic characteristics of the catheter tip, e.g. openable, closable, expandable or deformable} - A61B 17/32037: {for removing obstructions from inner organs or blood vessels, e.g. for atherectomy} - A61M 5/142: Pressure infusion, e.g. using pumps - A61M 25/0023: {by the form of the lumen, e.g. cross-section, variable diameter} - A61M 25/005: {with embedded materials for reinforcement, e.g. wires, coils, braids} - A61M 25/007: {Side holes, e.g. their profiles or arrangements; Provisions to keep side holes unblocked} - A61M 25/0105: {Steering means as part of the catheter or advancing means; Markers for positioning (systems for detection of markers A61B)} - A61M 25/09: Guide wires - A61M: DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY (introducing media into or onto the bodies of animals A61D7/00; means for inserting tampons A61F13/26; devices for administering food or medicines orally A61J; containers for collecting, storing or administering blood or medical fluids A61J1/05); DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY (surgery A61B; chemical aspects of surgical articles A61L); DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR {(Electrotherapy, e.g. producing anaesthesia by the use of alternating or intermittent currents A61N1/36021)} - A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D) ## Abstract An infusion catheter is disclosed. An example infusion catheter includes an elongate tubular member having a proximal portion and a distal portion, wherein the distal portion includes an infusion region extending along a portion thereof. Further, the infusion region of the elongate tubular member includes a plurality of apertures, and the apertures reduce the surface area of the infusion region by 0.25%-10%. ## Claims ### Claim 1 An infusion catheter, comprising: an elongate tubular member having a proximal portion and a distal portion, wherein the distal portion includes an infusion region extending along a portion thereof; wherein the infusion region of the elongate tubular member includes a plurality of apertures; wherein the apertures reduce a surface area of the infusion region by 0.25%-10%; wherein the total number of apertures is greater than or equal to 100; and wherein each of the plurality of apertures includes a diameter, and wherein the diameter is less than or equal to 0.0048 cm. ### Claim 2 (depends on 1) The infusion catheter of claim 1, wherein the distal portion of the elongate tubular member further includes an inner surface, an outer surface, and a wall extending therebetween, and wherein each of the plurality of apertures extends through the wall. ### Claim 3 (depends on 2) The infusion catheter of claim 2, wherein the plurality of apertures are spaced equidistant around the outer surface of the elongate tubular member. ### Claim 4 (depends on 1) The infusion catheter of claim 1, wherein the plurality of apertures are configured to permit fluid under pressure up to 18,000 psi to flow therethrough. ### Claim 5 (depends on 1) The infusion catheter of claim 1, wherein the elongate tubular member is a metal, a glass, or both metal and glass. ### Claim 6 (depends on 1) The infusion catheter of claim 1, further comprising a tip member, and wherein the tip member is positioned distal of the infusion region. ### Claim 7 (depends on 6) The infusion catheter of claim 6, wherein the tip member includes a coil. ### Claim 8 (depends on 1) The infusion catheter of claim 1, wherein the proximal portion of the elongate tubular member is configured to releasably attach to a fluid infusion system. ### Claim 9 (depends on 1) The infusion catheter of claim 1, further comprising an accessory device slidably and rotationally disposed within the elongate tubular member. ### Claim 10 (depends on 9) The infusion catheter of claim 9, wherein the accessary device is configured to selectively restrict flow through one or more of the apertures. ### Claim 11 (depends on 10) The infusion catheter of claim 10, wherein the accessory device comprises a guidewire. ### Claim 12 An infusion catheter, comprising: an elongate tubular member having a distal portion and a longitudinal axis, the distal portion including an infusion region; wherein the infusion region has a surface area defined by a circumference of the elongate tubular member and a length along the longitudinal axis of the tubular member; wherein the infusion region includes a plurality of apertures located therein; wherein the apertures reduce the surface area of the infusion region by 0.25%-10%; wherein each of the plurality of apertures defines a surface area, and wherein the sum of the surface areas of the plurality of apertures is 0.0020 cm2 to 0.0040 cm2; wherein the total number of apertures is greater than or equal to 100; and wherein each of the plurality of apertures includes a diameter, and wherein the diameter is less than or equal to 0.0048 cm. ### Claim 13 (depends on 12) The infusion catheter of claim 12, wherein the proximal portion of the catheter extends along a longitudinal axis and the distal portion of the catheter is configured to extend at an angle to the longitudinal axis. ### Claim 14 (depends on 13) The infusion catheter of claim 13, wherein the angle is in the range of 1° to 90°. ### Claim 15 (depends on 13) The infusion catheter of claim 13, wherein the angle is in the range of 15° to 25°. ### Claim 16 (depends on 13) The infusion catheter of claim 13, wherein the angle is approximately 20°. ### Claim 17 (depends on 12) The infusion catheter of claim 12, wherein a proximal portion of the catheter extends along a longitudinal axis and the distal portion of the catheter is configured to extend at an angle to the longitudinal axis. ### Claim 18 (depends on 12) The infusion catheter of claim 12, further comprising an accessory device slidably and rotationally disposed within a lumen of the elongate tubular member. ### Claim 19 (depends on 12) The infusion catheter of claim 12, wherein the accessary device is configured to selectively restrict flow through one or more of the apertures.