# US 2014/0155702 A1 · Sheaths for medical devices > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0155702 A1 - Document ID: US20140155702A1 - Status: Published application - Kind: A1 - Application number: 14/135,951 - Filed: 2013-12-20 - Published: 2014-06-05 - Earliest claimed: 2007-01-30 - Assignees: Loma Vista Medical, Inc. - Applicants: Loma Vista Medical, Inc. - Inventors: Alexander Quillin TILSON; Mark Christopher SCHEEFF; Roland J. DOWNS; Christopher Michael ADAMS; Jon Michael HOLWEGER - Web page: https://patentgrep.com/patent/US20140155702A1 ## CPC - A61B 17/00234: {for minimally invasive surgery (A61B17/0218, A61B17/0469, A61B17/12013, A61B17/1285, A61B17/29, A61B17/320016 take precedence)} - A61B 1/00135: {Oversleeves mounted on the endoscope prior to insertion} - A61B 1/0055: {Constructional details of insertion parts, e.g. vertebral elements} - A61B 1/07: using light-conductive means, e.g. optical fibres - A61B 1/31: for the rectum, e.g. proctoscopes or sigmoidoscopes - A61B 5/6847: {mounted on an invasive device} - A61B 34/20: Surgical navigation systems; Devices for tracking or guiding surgical instruments, e.g. for frameless stereotaxis - A61B 34/30: Surgical robots - A61B 90/11: with guides for needles or instruments, e.g. arcuate slides or ball joints - A61B 90/39: {Markers, e.g. radio-opaque or breast lesions markers} - A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D) ## Abstract A device is disclosed for therapeutic and/or diagnostic use in or on a patient's body. The device can have a sheath and a tool. The sheath can be made, at least in part, from a laminate. The laminate can have reinforcement fibers in longitudinal, latitudinal, helical, and/or other configurations around the sheath. The tool can be at least partially within the sheath. The tool can be attached to the sheath at one or more lengths along the tool. The sheath can be removed from the tool and replaced. ## Claims ### Claim 1 A device for therapeutic and/or diagnostic use in or on a patient's body comprising: a sheath comprising a laminate comprising reinforcement fibers, wherein the laminate has a thickness from about 25 μm to about 500 μm and a tensile strength of greater than about 138 MPa; and a tool at least partially within the sheath and is attached to the sheath, wherein the tool comprises a bending portion within the sheath, the bending portion configured to bend from a first position to a second position; and wherein the sheath has a sheath length measured from a distal end of the sheath to a proximal end of the sheath, and wherein the sheath length when the tool is in the first position is substantially equal to the sheath length when the tool is in the second position. ### Claim 2 (depends on 1) The device of claim 1, wherein the sheath further comprises a reinforcement member, wherein the reinforcement member is more rigid than the laminate. ### Claim 3 (depends on 2) The device of claim 2, wherein the reinforcement member is substantially helical. ### Claim 4 (depends on 1) The device of claim 1, wherein the tool is releasably attached to the sheath. ### Claim 5 (depends on 1) The device of claim 1, further comprising a robotic system for therapeutic and/or diagnostic use. ### Claim 6 (depends on 5) The device of claim 5, wherein the tool is part of or attached to the robotic system. ### Claim 7 (depends on 1) The device of claim 1, wherein the sheath has a fluid-tight seal to the tool. ### Claim 8 (depends on 1) The device of claim 1, wherein the sheath has a dielectric strength greater than 1000 volts per 0.001 inches. ### Claim 9 (depends on 1) The device of claim 1, wherein the sheath has a failure strain of less than 0.30. ### Claim 10 (depends on 1) The device of claim 1, wherein the bending portion comprises an articulating section. ### Claim 11 (depends on 1) The device of claim 1, wherein the bending portion comprises a pivoting section. ### Claim 12 (depends on 1) The device of claim 1, wherein the sheath has a tensile strength of greater than about 276 MPa. ### Claim 13 (depends on 1) The device of claim 1, wherein the sheath has a tensile strength of greater than about 414 MPa. ### Claim 14 A device for therapeutic and/or diagnostic use in or on a patient's body comprising: a sheath comprising a laminate comprising reinforcement fibers wherein the laminate has a failure strain of less than 0.30; and a tool at least partially within the sheath, wherein the tool is fixedly attached to the sheath, and wherein the tool has a sheathed tool length measured along the length of tool within the sheath, and wherein the tool comprises a bending portion within the sheath, the bending portion configured to bend from a first position to a second position, wherein the sheathed tool length in the first position is less than about 10% different than the sheathed tool length in the second position. ### Claim 15 (depends on 14) The device of claim 14, wherein the sheath further comprises a reinforcement member, wherein the reinforcement member is more rigid than the laminate. ### Claim 16 (depends on 14) The device of claim 14, wherein the sheath has a tensile strength of greater than about 138 MPa. ### Claim 17 (depends on 14) The device of claim 14, wherein the sheath has a failure strain of less than 0.20. ### Claim 18 (depends on 14) The device of claim 14, wherein the sheath has a failure strain of less than 0.10. ### Claim 19 (depends on 14) The device of claim 14, wherein the sheath has a failure strain of less than 0.05. ### Claim 20 A device for therapeutic and/or diagnostic use in or on a patient's body comprising: a sheath comprising a laminate including reinforcement fibers and a reinforcement member wherein the reinforcement member is more rigid than the laminate; and a tool releasably attached to the sheath, wherein the sheath has an unsupported burst pressure of greater than about 150 psi.