# US 7,607,832 B2 · Apparatus for medical imaging > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 7,607,832 B2 - Document ID: US7607832B2 - Status: Granted - Kind: B2 - Application number: 11/563,020 - Filed: 2006-11-23 - Published: 2008-05-29 - Granted: 2009-10-27 - Earliest claimed: 2006-11-23 - Assignees: General Electric Company - Inventors: Vernon Thomas Jensen; Samuel Lee Alder; Gregory A Weaver - Web page: https://patentgrep.com/patent/US7607832B2 ## CPC - A61B 6/4405: {the apparatus being movable or portable, e.g. handheld or mounted on a trolley} - A61B 6/4441: {the rigid structure being a C-arm or U-arm} - A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D) ## Abstract Embodiments provide apparatus for medical imaging which includes: a base assembly including a set of wheels for rolling movement on a floor to transport the base assembly between locations; an imaging assembly for imaging the subject; and a movable support assembly connected between the base assembly and the imaging assembly for supporting the imaging assembly on the base assembly and for extending and retracting the imaging assembly from the base assembly. Embodiments provide apparatus for medical imaging wherein overall length of the apparatus with the imaging assembly extended exceeds overall length with the imaging assembly retracted. ## Claims ### Claim 1 An apparatus for imaging a subject, the apparatus comprising: an imaging assembly for imaging the subject; a base assembly including a set of wheels for rolling movement on a floor to transport the base assembly between locations and including a body the body having a recessed dock, wherein the recessed dock is adapted to receive a portion of the imaging assembly; and a movable support assembly connected between the base assembly and the imaging assembly for supporting the imaging assembly on the base assembly and for extending and retracting the imaging assembly from the base assembly, the movable support assembly including a lift column supported by the base, the movable support assembly including a cross arm connected between the lift column and the imaging assembly to support the imaging assembly in relation to the lift column, the lift column having a bearing block, the cross arm including a hydraulically operable telescoping arrangement of stacked tubular members, wherein the telescoping arrangement of the cross arm is moved in a forward direction to a front position relative to the bearing block. ### Claim 2 (depends on 1) The apparatus for imaging a subject according to claim 1, wherein the recessed dock being adapted to receive a capture unit of the imaging assembly. ### Claim 3 (depends on 1) The apparatus for imaging a subject according to claim 1, and the apparatus further comprising: the movable support assembly including a cross arm connected between the lift column and the imaging assembly to support the imaging assembly in relation to the lift column, at least one of the lift column being supported for translational movement relative to the body and a portion of the cross arm being supported for movement relative to the lift column. ### Claim 4 (depends on 3) The apparatus for imaging a subject according to claim 3, and the apparatus further comprising: the cross arm including a telescoping arrangement of stacked members. ### Claim 5 (depends on 1) The apparatus for imaging a subject according to claim 1, and the apparatus further comprising: the base assembly including a body and a stabilizing foot adapted for engagement with the floor, the stabilizing foot being movable relative to the body. ### Claim 6 (depends on 1) The apparatus for imaging a subject according to claim 1, and the apparatus further comprising: the imaging assembly being a C-arm imaging assembly having spaced distal ends supported by a back segment. ### Claim 7 An apparatus for imaging a subject, the apparatus comprising: an imaging assembly for imaging the subject; a base assembly having a body and a front end portion adjacent the imaging assembly, the front end portion having therein a recessed dock, wherein the recessed dock being adapted to receive a portion of the imaging assembly, the base assembly having a rear end spaced in the rearward direction from the front end portion, the rear end defining a vertical rear plane extending in the vertical direction and perpendicular to the forward and rearward directions, the base assembly including a set of wheels for rolling movement on a floor, the set of wheels supporting the body in a transport condition during transport between different imaging locations in a facility; and a movable support assembly connected between the base assembly and the imaging assembly for supporting the imaging assembly on the base assembly and for extending and retracting the imaging assembly from the base assembly, in the transport condition the movable support assembly supporting the imaging assembly in a retracted position relative to the body, in a stationary imaging condition the movable support assembly supporting the imaging assembly in an extended position relative to the body, the apparatus having an overall length measured between the vertical rear surface and the vertical front surface, the overall length with the imaging assembly in the extended position exceeding the overall length with the imaging assembly in the retracted position, the movable support assembly including a lift column supported by the base and the lift column being moveable relative to the base, the movable support assembly including a cross arm connected between the lift column and the imaging assembly to support the imaging assembly in relation to the lift column, the lift column having a bearing block, the cross arm including a hinged arrangement of members. ### Claim 8 (depends on 7) The apparatus for imaging a subject according to claim 7, and the apparatus further comprising: the recessed dock being adapted to receive a capture unit of the imaging assembly when retracted. ### Claim 9 (depends on 7) The apparatus for imaging a subject according to claim 7, and the apparatus further comprising: the movable support assembly including a lift column supported by the base assembly, the movable support assembly including a cross arm connected between the lift column and the imaging assembly to support the imaging assembly in relation to the lift column, at least one of the lift column being supported for translational movement relative to the body and a portion of the cross arm being supported for movement relative to the lift column. ### Claim 10 (depends on 9) The apparatus for imaging a subject according to claim 9, and the apparatus further comprising: the cross arm including a telescoping arrangement of stacked members. ### Claim 11 (depends on 7) The apparatus for imaging a subject according to claim 7, and the apparatus further comprising: the base assembly including a body and a stabilizing foot adapted for engagement with the floor, the stabilizing foot being movable relative to the body. ### Claim 12 (depends on 7) The apparatus for imaging a subject according to claim 7, and the apparatus further comprising: the imaging assembly being a C-arm imaging assembly having spaced distal ends supported by a back segment. ### Claim 13 An apparatus for imaging a subject, the apparatus comprising: an imaging assembly supporting an imager, the imaging assembly having an upper distal end spaced from a lower distal end, the spaced upper and lower distal ends cooperating to define a front opening facing in a forward direction, a vertical front surface having a recessed dock perpendicular to the forward direction being defined by intersecting at least one of the upper and lower distal ends, the imaging assembly having a back segment opposite and spaced from the front opening in a rearward direction opposite the forward direction, the back segment extending between and supporting the upper and lower distal ends, the recessed dock is adapted to receive a portion of the back segment of the imaging assembly; a base assembly supporting the imaging assembly, the base assembly including a body, the body having a front end portion adjacent the back segment of the imaging assembly, the body having a rear end spaced in the rearward direction from the front end portion, the rear end defining a vertical rear surface extending in the vertical direction and perpendicular to the forward and rearward directions, the base assembly including a set of wheels for rolling movement on a floor, the set of wheels supporting the body in a transport condition during transport between different imaging locations; and a movable support assembly connected between the base assembly and the imaging assembly for supporting the imaging assembly, the movable support assembly being selectively operable to move the imaging assembly relative to the body between an extended position and the retracted position, in the transport condition the base assembly supporting the imaging assembly in the retracted position, in the retracted position the back segment of the imaging assembly being adjacent the front end portion of the body, in the retracted position no portion of the base assembly extending in the rear direction beyond the vertical rear surface, in each imaging location the base assembly being in a stationary imaging condition, in the stationary imaging condition the base assembly supporting the imaging assembly in the extended position, in the extended position the back segment of the imaging assembly being spaced apart in the forward direction from the front end portion of the body, the apparatus having an overall length measured between the vertical rear surface and the vertical front surface, the overall length with the imaging assembly in the extended position exceeding the overall length with the imaging assembly in the retracted position. ### Claim 14 (depends on 13) The apparatus for imaging a subject according to claim 13, wherein the dock being adapted to receive a capture unit of the imaging assembly in the retracted position. ### Claim 15 (depends on 13) The apparatus for imaging a subject according to claim 13, and the apparatus further comprising: the movable support assembly including a lift column supported by the body, the lift column extending generally in the vertical direction, the movable support assembly including a cross arm extending generally in the horizontal direction, the cross arm being connected to and supporting the imaging assembly, a portion of the cross arm being supported for movement relative to the lift column, the cross arm being selectively operable to move in the forward direction bringing the imaging assembly into the extended position and the cross arm being selectively operable to move in the rearward direction bringing the imaging assembly into the retracted position. ### Claim 16 (depends on 15) The apparatus for imaging a subject according to claim 15, and the apparatus further comprising: the cross arm including a telescoping arrangement of stacked members. ### Claim 17 (depends on 15) The apparatus for imaging a subject according to claim 15, wherein the lift column being moveable relative to the base. ### Claim 18 (depends on 13) The apparatus for imaging a subject according to claim 13, and the apparatus further comprising: the movable support assembly including a lift column extending generally in the vertical direction, the lift column being supported for translational movement relative to the body in the forward and rearward directions between a forward position and a rear position, the movable support assembly including a cross arm supported by the lift column and extending generally in the horizontal direction, the cross arm being connected to and supporting the imaging assembly, the lift column in the forward position bringing the imaging assembly into the extended position, the lift column in the rear position bringing the imaging assembly into the retracted position. ### Claim 19 (depends on 13) The apparatus for imaging a subject according to claim 13, and the apparatus further comprising: the base assembly including a stabilizing foot adapted for engagement with the floor, the stabilizing foot being movable relative to the body in the forward and rearward directions, in a transport position the stabilizing foot being retracted in the rearward direction relative to the body, in a stationary support position the stabilizing foot being extended in the forward direction relative to the body. ### Claim 20 (depends on 13) The apparatus for imaging a subject according to claim 13, and the apparatus further comprising: the imaging assembly being a C-arm imaging assembly having spaced distal ends supported by a back segment.