# US 7,611,493 B2 · Device for preventing axial movement > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 7,611,493 B2 - Document ID: US7611493B2 - Status: Granted - Kind: B2 - Application number: 10/577,353 - Filed: 2004-10-22 - Published: 2007-02-08 - Granted: 2009-11-03 - Earliest claimed: 2003-10-29 - Assignees: Gambro Lundia AB - Inventors: Lennart Jönsson - Web page: https://patentgrep.com/patent/US7611493B2 ## CPC - A61M 25/02: Holding devices, e.g. on the body - A61M 2025/0246: {fixed on the skin having a cover for covering the holding means} - A61M 2025/026: {where the straps are releasably secured, e.g. by hook and loop-type fastening devices} - A61M 2025/0266: {using pads, patches, tapes or the like} - A61M 2025/0273: {having slits to place the pad around a catheter puncturing site} - 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)} ## Abstract A device for preventing axial movement of an elongated member (1) applied through the skin of a mammal at a puncturing position has a plaster (2) designed to cover the surface around the puncturing position and having at least an adhesive layer (4) for securing it to the skin as well as an opening (9) through the layer thereof for the passage of said elongated member therethrough. The device also has a clamp (8) secured to plaster and adapted to clamp around the elongated member when the elongated member is applied to the skin and the plaster is applied on the surface around said puncturing position. The clamp is thin and substantially flat. ## Claims ### Claim 1 A device for preventing axial movement of an elongated member (1), such as a cannula needle, applied through the skin of a mammal at a puncturing position, said device comprising a plaster (2) structured and arranged to cover a surface around the puncturing position and having at least an adhesive layer (4) for securing to the skin and an opening (9) through the layer (4) thereof for the passage of said elongated member (1) therethrough, the device further comprising means (8) secured to the plaster (2) and structured and arranged to clamp around said elongated member (1) when the elongated member (1) is applied through the skin of a mammal and the plaster (2) is applied on the surface around said puncturing position, wherein said clamping means (8) is thin and substantially flat and provided with a lateral opening (10) for laterally introducing said elongated member (1) between clamping portions (11, 12) thereof, and said clamping means (8) includes parts of substantially rigid material provided with said clamping portions (11, 12) which are structured and arranged to bias from at least two different directions against said elongated member (1). ### Claim 2 (depends on 1) A device according to claim 1, wherein said clamping means (8) is made of material being substantially more rigid than the material forming the plaster (2). ### Claim 3 (depends on 1) A device according to claim 1, wherein surfaces through which the clamping portions (11, 12) are structured and arranged to bear against a said elongated member are made of a substantially rigid material. ### Claim 4 (depends on 1) A device according to claim 1, wherein said clamping means (8) has clamping portions (11, 12) with sharp gripping edges structured and arranged to bear against a said elongated member clamped thereby. ### Claim 5 (depends on 1) A device according to claim 1, wherein said clamping means (8) is made of metal. ### Claim 6 (depends on 1) A device according to claim 1, wherein said plaster (2) is provided with a pocket (7) formed between two adjacent layers (5, 6) thereof and housing said clamping means (8). ### Claim 7 (depends on 6) A device according to claim 6, wherein said plaster (2) comprises at least two additional layers (5, 6) besides said adhesive layer (4), and said pocket (7) is formed between two such additional layers (5, 6). ### Claim 8 (depends on 7) A device according to claim 7, wherein the plaster (2) comprises a carrier layer (5) arranged on top of the adhesive layer (4) and an uppermost coating layer (6), and said pocket (7) is formed between said carrier layer and coating layer (6). ### Claim 9 (depends on 1) A device according to claim 1, wherein said clamping means (8) is transferrable between an inactive state allowing said elongated member (1) to be introduced between clamping portions (11, 12) thereof and an active state in which said clamping portions (11, 12) bias against said elongated member (1). ### Claim 10 (depends on 9) A device according to claim 9, wherein at least said clamping portions (11, 12) of said clamping means are made of a material having a high coefficient of thermal expansion in the region around body temperature of the mammal for which the device is used and structured and arranged to be influenced by the temperature when applied together with the plaster (2) on skin of said mammal for being transferred from said inactive to said active state through the temperature rise caused through heat transfer from the body of said mammal. ### Claim 11 (depends on 10) A device according to claim 10, wherein at least said clamping portions (11, 12) of said clamping means are made of a memory metal. ### Claim 12 (depends on 9) A device according to claim 9, wherein said clamping means (8) comprises at least one spring member (13, 18, 24, 25) connected to said clamping portions (11, 12) for urging them towards each other. ### Claim 13 (depends on 12) A device according to claim 12, additionally comprising a blocking member (14) strucuted and arranged to hold the clamping portions (11, 12) apart in said inactive state for allowing introduction of said elongated member (1) therebetween and, when released, allowing said spring member (13, 18, 24, 25) to bias the clamping means (8) to the active state. ### Claim 14 (depends on 1) A device according to claim 1, wherein said plaster opening (9) is formed by a lateral slot into the plaster (2) for enabling introduction of said elongated member (1) into said opening (9) after the elongated member (1) has been applied through the skin of the mammal. ### Claim 15 (depends on 1) A device according to claim 1, additionally comprising an elongated flexible, preferably adjustable, such as by being elastic, band-like member (3) secured to the plaster (2) and structure and arranged to be applied around a body part of the mammal on which said puncturing position has been applied for assisting the adhesive layer (4) of the plaster (2) in holding the plaster (2) secured around the puncturing position. ### Claim 16 A device for preventing axial movement of an elongated member (1), such as a cannula needle, applied through the skin of a mammal at a puncturing position, said device comprising a plaster (2) structured and arranged to cover a surface around the puncturing position and having at least an adhesive layer (4) for securing to the skin and an opening (9) through the layer (4) thereof for the passage of said elongated member (1) therethrough, the device further comprising means (8) secured to the plaster (2) and structured and arranged to clamp around said elongated member (1) when the elongated member (1) is applied through the skin of a mammal and the plaster (2) is applied on the surface around said puncturing position, said clamping means (8) is thin and substantially flat and includes parts of substantially rigid material provided with clamping portions (11, 12) structured and arranged to bear against said elongated member (1), wherein said clamping means (8) and plaster (2) are provided with a lateral slot-formed opening (9,10) structured and arranged for laterally introducing said elongated member (1) between clamping portions (11, 12) of said clamping means (8) by moving the plaster (2) with said clamping means (8) laterally with respect to said elongated member (1) applied through the skin, and said clamping portions (11, 12) are structured and arranged to bear against said elongated member (1) while acting thereupon substantially in a plane in parallel with the surface of the skin upon which the plaster (2) is arranged. ### Claim 17 (depends on 16) A device according to claim 16, wherein said clamping means (8) is structured and arranged to clamp said elongated member (1) extending through said clamping means (8) between said clamping portions (11, 12) at a large angle with respect to said plaster (2). ### Claim 18 (depends on 17) A device according to claim 17, wherein said large angle is about 90°. ### Claim 19 (depends on 16) A device according to claim 16, wherein said clamping portions (11, 12) are structured and arranged to bias from at least two different directions against said elongated member (1). ### Claim 20 (depends on 16) A device according to claim 16, wherein said clamping means (8) is transferrable between an inactive state allowing said elongated member (1) to be introduced between clamping portions (11, 12) thereof and an active state in which said clamping portions (11, 12) bias against said elongated member (1).