# US 2013/0153482 A1 · Filter with Attachment Element > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2013/0153482 A1 - Document ID: US20130153482A1 - Status: Published application - Kind: A1 - Application number: 13/715,065 - Filed: 2012-12-14 - Published: 2013-06-20 - Earliest claimed: 2011-12-16 - Assignees: Terumo BCT, Inc. - Inventors: Bruce W. GIBBS; Victor D. DOLECEK - Web page: https://patentgrep.com/patent/US20130153482A1 ## CPC - B01D 35/306: {Filter mounting adapter} - A61M 1/3633: {Blood component filters, e.g. leukocyte filters} - A61M 1/3636: {having a flexible housing} - B01D 65/00: Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes - Y10T 156/10: Methods of surface bonding and/or assembly therefor - B01D: SEPARATION (separating solids from solids by wet methods B03B, B03D; by pneumatic jigs or tables B03B; by other dry methods B07; magnetic or electrostatic separation of solid materials from solid materials or fluids, separation by high-voltage electric fields B03C; centrifuges, vortex apparatus B04; presses per se for squeezing-out liquid from liquid-containing material B30B9/02; treatment of water C02F, e.g. softening by ion-exchange C02F1/42; {arrangements of air intake cleaners in gas turbine plants F02C7/05} ; arrangements or mounting of filters in air-conditioning, air-humidification or ventilation F24F13/28) - 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)} - Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION ## Abstract Described are embodiments of a filter that may include an outer housing, an inlet tube, an outlet tube, filter media and an attachment element attaching the filter media to one of the inlet and outlet tubes. Other embodiments describe methods of manufacturing a filter. ## Claims ### Claim 1 A filter for filtering blood or blood components, the filter comprising: an inlet tube; an outlet tube; an outer housing attached to the inlet tube and the outlet tube; a first attachment element attached to one of the inlet or outlet tubes; and filter media within the outer housing wherein the filter media is attached to the first attachment element. ### Claim 2 (depends on 1) The filter of claim 1 wherein said first attachment element attaches the filter media to the outlet tube. ### Claim 3 (depends on 1) The filter of claim 1 wherein the outer housing comprises a first flexible sheet; and a second flexible sheet sealed to the first flexible sheet. ### Claim 4 (depends on 1) The filter of claim 1 wherein the first attachment element comprises: a first wing; a second wing; and wherein the filter media is attached to the first and second wings. ### Claim 5 (depends on 4) The filter of claim 4 wherein the first wing comprises: a first tip; and wherein the second wing comprises: a second tip; and wherein the first and second tips contact the outer housing to direct the blood or blood component through the filter media. ### Claim 6 (depends on 1) The filter of claim 1 further comprising a second attachment element attached to the same one of the inlet and outlet tubes as the first attachment element and wherein the filter media is attached at a first end to the first and second attachment elements. ### Claim 7 (depends on 6) The filter of claim 6 wherein the filter media comprises layers and wherein the layers are sealed together at a second end opposite the first end of the filter media. ### Claim 8 (depends on 6) The filter of claim 6 wherein the one of the inlet and outlet tubes extends between the first and second attachment elements and between the filter media attached thereto. ### Claim 9 (depends on 6) The filter of claim 6 wherein the first attachment element comprises: a first wing; a second wing; and wherein the filter media is attached to the first and second wings; and wherein the second attachment element comprises: a third wing; a fourth wing; and wherein the filter media is attached to the third and fourth wings. ### Claim 10 (depends on 9) The filter of claim 9 wherein the first wing comprises a first tip; the second wing comprises a second tip; the third wing comprises a third tip; the fourth wing comprises a fourth tip; and wherein the first, second, third and fourth tips contact the outer housing to direct the blood or blood component through the filter media. ### Claim 11 (depends on 1) The filter of claim 1 wherein the attachment element is between the filter media and one of the inlet and outlet tubes. ### Claim 12 (depends on 6) The filter of claim 6 wherein the first attachment element is between the filter media and the one of the inlet and outlet tubes and wherein the second attachment element is between the filter media and the same one of the inlet and outlet tubes. ### Claim 13 (depends on 1) The filter of claim 1 wherein the outer housing is formed of soft thermoplastic material. ### Claim 14 (depends on 13) The filter of claim 13 wherein the outer housing is formed of two soft thermoplastic sheets bonded together to form the outer housing. ### Claim 15 A method of manufacturing a filter, the method comprising: creating a filter assembly, wherein the creating comprises; bonding first filter media to a first attachment element; and bonding second filter media to a second attachment element, wherein the second attachment element is attached to the first attachment element; positioning the filter assembly between a first soft housing sheet and a second soft housing sheet; bonding the first soft housing sheet to the second soft housing sheet to create a soft outer housing; bonding a first tube to the first soft housing sheet and to the second soft housing sheet; bonding a second tube to the first soft housing sheet and to the second soft housing sheet; and bonding the first attachment element to the first tube. ### Claim 16 (depends on 15) The method of claim 15, further comprising, bonding the second attachment element to the first tube. ### Claim 17 (depends on 15) The method of claim 15, wherein the first tube is positioned in a first port of the soft outer housing. ### Claim 18 (depends on 15) The method of claim 15, wherein the second tube is positioned in a second port of the soft outer housing. ### Claim 19 (depends on 15) The method of claim 15, wherein the bonding first filter media to a first attachment element comprises bonding a plurality of layers of filter media to a wing of the first attachment element. ### Claim 20 (depends on 16) The method of claim 16, wherein the bonding the first attachment element to the first tube is performed as part of the creating the filter assembly.