US3708664A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diagnostic x-ray system
Assignee: General Electric Co
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Filing: 1970-11-12
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Granted: 1973-01-02
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Expires: 1990-11-12
Abstract
Abstract A tilting diagnostic x-ray table is provided with a longitudinally extending beam at its rear. A tube carriage is movable lengthwise of the beam. A column extending upwardly from the tube carriage supports a horizontal tube arm for bidirectional translation laterally of the x-ray table top. At the end of the arm, which is over the table, there is an x-ray tube which is on a rotational axis that extends longitudinally of the table. Means are provided for laterally angulating the x-ray tube on its longitudinal axis synchronously with translational movements of the tube arm so that the central beam from the x-ray tube is always pointed essentially at the center of the x-ray image sensing device which is under the table top. Means are also provided for angulating the tube longitudinally as the tube carriage is shifted on the beam in conjunction with tomography.
Inventors
- 👤 J Bock
- 👤 O Feiertag
- 👤 R Sullivan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:33
CPC Classifications
A; A61; A61B; A61B6/00; A61B6/02; A61B6/54; A61B6/548
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
320 words
A diagnostic x-ray system comprising: a. an x-ray table including an x-ray transmissive patient supporting table top, b. means in the table below said table top for sensing an x-ray image which is produced by projecting an x-ray beam toward the table top, c. beam means associated with the table and extending longitudinally thereof, d. a first carriage means mounted for selective longitudinal movement on said beam means, e. x-ray tube means, f. column means extending substantially normal to said table top and supported on said first carriage means, g. x-ray tube support means comprising an arm means extending laterally of said table top, said arm means being journaled on said column means for axial rotation and for translation bilaterally of said table top and said x-ray tube means Being mounted on said arm means for angulating laterally about a longitudinally directed axis, h. means operatively coupled with said arm means and said tube means to translate said arm means in one direction laterally of said table top while simultaneously angulating said tube means laterally of said table top in an opposite direction, whereby the x-ray beam will remain directed at said image sensing means, i. a second carriage means mounted for selective longitudinal movements on said beam means, j. extensible tomographic link means pivotally mounted on said second carriage means and having its opposed ends respectively operatively coupled to said arm means and to said sensing means below the table top, k. locking means selectively operable to lock said first carriage means to said second carriage means so that the carriages may be translated longitudinally without pivoting said tomographic link means to scan the x-ray tube at any selectable angulation longitudinally of said table top, and said lock means being alternately operable to lock said second carriage means to said beam means and release said first carriage means for longitudinal travel and simultaneously pivoting of said tomographic link means.
Claim 2
Dependent Claim
320 words
A diagnostic x-ray system comprising: a. an x-ray table including an x-ray transmissive patient supporting table top, b. means in the table below said table top for sensing an x-ray image which is produced by projecting an x-ray beam toward the table top, c. beam means associated with the table and extending longitudinally thereof, d. a first carriage means mounted for selective longitudinal movement on said beam means, e. x-ray tube means, f. column means extending substantially normal to said table top and supported on said first carriage means, g. x-ray tube support means comprising an arm means extending laterally of said table top, said arm means being journaled on said column means for axial rotation and for translation bilaterally of said table top and said x-ray tube means Being mounted on said arm means for angulating laterally about a longitudinally directed axis, h. means operatively coupled with said arm means and said tube means to translate said arm means in one direction laterally of said table top while simultaneously angulating said tube means laterally of said table top in an opposite direction, whereby the x-ray beam will remain directed at said image sensing means, i. a second carriage means mounted for selective longitudinal movements on said beam means, j. extensible tomographic link means pivotally mounted on said second carriage means and having its opposed ends respectively operatively coupled to said arm means and to said sensing means below the table top, k. locking means selectively operable to lock said first carriage means to said second carriage means so that the carriages may be translated longitudinally without pivoting said tomographic link means to scan the x-ray tube at any selectable angulation longitudinally of said table top, and said lock means being alternately operable to lock said second carriage means to said beam means and release said first carriage means for longitudinal travel and simultaneously pivoting of said tomographic link means.
Claim 3
Dependent Claim
260 words
A diagnostic X-ray system comprising: a. an x-ray table including an x-ray transmissive patient supporting table top, b. means in said table below said table top for sensing an x-ray image which is produced by projecting an x-ray beam toward the table top, c. column means adjacent said table top, d. a support arm means extending substantially laterally of said table top and being mounted on said column means for axial rotation and for bidirectional movement laterally of said table top, e. beam means extending longitudinally of said x-ray table and adjacent thereto, f. a first carriage means mounted on and adapted to selectively travel longitudinally on said beam means, said first carriage means supporting the aforesaid column means, g. a second carriage means mounted on and adapted to selectively travel longitudinally on said beam means, h. a tomographic link means pivotally mounted on said second carriage means, i. means coupling one end of said tomographic link means to said support arm means whereby to rotate said support arm means and angulate said tube means longitudinally in response to moving said first carriage longitudinally, j. means connecting the other end of said tomographic link means to said image sensing means so that the latter moves longitudinally oppositely of said x-ray tube means, and k. means adapted to selectively anchor said second carriage means when it is desired to swing said tomographic link means by moving said first carriage means and to interlock said carriages together when it is desired to scan the x-ray tube means longitudinally of said table top.
Claim 4
Dependent Claim
260 words
A diagnostic X-ray system comprising: a. an x-ray table including an x-ray transmissive patient supporting table top, b. means in said table below said table top for sensing an x-ray image which is produced by projecting an x-ray beam toward the table top, c. column means adjacent said table top, d. a support arm means extending substantially laterally of said table top and being mounted on said column means for axial rotation and for bidirectional movement laterally of said table top, e. beam means extending longitudinally of said x-ray table and adjacent thereto, f. a first carriage means mounted on and adapted to selectively travel longitudinally on said beam means, said first carriage means supporting the aforesaid column means, g. a second carriage means mounted on and adapted to selectively travel longitudinally on said beam means, h. a tomographic link means pivotally mounted on said second carriage means, i. means coupling one end of said tomographic link means to said support arm means whereby to rotate said support arm means and angulate said tube means longitudinally in response to moving said first carriage longitudinally, j. means connecting the other end of said tomographic link means to said image sensing means so that the latter moves longitudinally oppositely of said x-ray tube means, and k. means adapted to selectively anchor said second carriage means when it is desired to swing said tomographic link means by moving said first carriage means and to interlock said carriages together when it is desired to scan the x-ray tube means longitudinally of said table top.
Claim 5
Dependent Claim
94 words
The invention set forth in claim 2 including: a. a variable x-ray field masking means, a film support means and an x-ray image intensifier means located beneath said table top in the recited order, b. second linkage means coupled with said other end of said tomographic link means and being adapted to shift said masking means and said image intensifier means predetermined amounts in opposite directions about a pivot axis that coincides with the film plane when said tube means is moved longitudinally of said table means in the one direction and angulated longitudinally.
Claim 6
Dependent Claim
129 words
The invention set forth in claim 2 including: a. first bearing means journaling said arm means in said column means for rotation of the arm means about an axis that projects laterally of said table top, b. second bearing means mounted on said first bearing means and supporting said arm means for bilateral translation through said first bearing means with respect to said column means, c. motor means mounted on said arm means, d. lead screw means journaled on said arm means and coupled for being turned by said mOtor means, said screw means extending along said arm means, and e. nut means coupling said lead screw means and said first bearing means for driving said arm means in a lateral direction with respect to said first bearing means.
Claim 7
Dependent Claim
30 words
The invention set forth in claim 4 wherein: a. mechanical coupling means for angulating said x-ray tube means laterally are interposed between said lead screw means and said tube means.
Claim 8
Dependent Claim
115 words
The invention set forth in claim 2 wherein: a. said x-ray tube means is pivotally mounted on a longitudinal axis at an end of said arm means to allow lateral angulation of the tube means with respect to said table top, b. driving means operatively coupled with said arm means and said tube means to translate said arm means in a selected direction laterally of said table top while simultaneously angulating said tube means laterally of the table top in an opposite direction, the said driving means being operable to set the lateral angulation of said tube means whereupon said interlocking of said carriages permits longitudinal scanning with the tube at a fixed lateral angulation.
Claim 9
Dependent Claim
33 words
The invention set forth in claim 2 wherein: a. said x-ray table is supported for tilting on a transverse axis and said beam means is fastened to said table and extends longitudinally thereof.
Claim 10
Dependent Claim
293 words
A diagnostic x-ray system comprising: a. an x-ray table body means supported for tilting longitudinally on a transverse axis and having an x-ray transparent table top, b. a beam means connected with the body means and extending longitudinally thereof, c. an x-ray tube carriage means adapted to be selectively translated on said beam means longitudinally of said body and top, d. column means supported on said carriage means, e. an elongated x-ray tube support arm means journaled for selective rotation in said column means, said arm means extending laterally of said table top, f. an x-ray tube means mounted on said support arm means over said table top and adapted to rotate with said arm means for angulating the x-ray tube means longitudinally of said table top, g. means responding to longitudinal translation of said x-ray tube carriage means by rotating said tube support arm means and thereby angulating said tube means longitudinally in proportion to the amount of carriage translation, h. a tomographic carriage means mounted on said beam means and adapted to be selectively translated longitudinally of said table body means jointly with said tube carriage means or alternately to be held in a fixed position so that said tube carriage means may translate independently, i. means for selectively engaging said tomographic carriage means with tube carriage means for joint longitudinal translation or for alternately engaging said tomographic carriage means relative to said beam means so that said tube carriage means is free to translate longitudinally independently, and j. a tomographic link means pivotally mounted on said tomographic carriage, k. said link means being operatively connected with said tube support arm means to rotate the arm means when said x-ray tube carriage means translates and said tomographic carriage means is fixed.
Claim 11
Dependent Claim
293 words
A diagnostic x-ray system comprising: a. an x-ray table body means supported for tilting longitudinally on a transverse axis and having an x-ray transparent table top, b. a beam means connected with the body means and extending longitudinally thereof, c. an x-ray tube carriage means adapted to be selectively translated on said beam means longitudinally of said body and top, d. column means supported on said carriage means, e. an elongated x-ray tube support arm means journaled for selective rotation in said column means, said arm means extending laterally of said table top, f. an x-ray tube means mounted on said support arm means over said table top and adapted to rotate with said arm means for angulating the x-ray tube means longitudinally of said table top, g. means responding to longitudinal translation of said x-ray tube carriage means by rotating said tube support arm means and thereby angulating said tube means longitudinally in proportion to the amount of carriage translation, h. a tomographic carriage means mounted on said beam means and adapted to be selectively translated longitudinally of said table body means jointly with said tube carriage means or alternately to be held in a fixed position so that said tube carriage means may translate independently, i. means for selectively engaging said tomographic carriage means with tube carriage means for joint longitudinal translation or for alternately engaging said tomographic carriage means relative to said beam means so that said tube carriage means is free to translate longitudinally independently, and j. a tomographic link means pivotally mounted on said tomographic carriage, k. said link means being operatively connected with said tube support arm means to rotate the arm means when said x-ray tube carriage means translates and said tomographic carriage means is fixed.
Claim 12
Dependent Claim
252 words
A diagnostic x-ray system comprising: a. an x-ray table body means having an x-ray transparent table top, b. an x-ray tube carriage means adapted to be selectively translated longitudinally of said body and top, c. column means supported on said carriage means, d. an elongated x-ray tube support arm means journaled for selective rotation in said column means, said arm means extending laterally of said table top, e. an x-ray tube means mounted on said support arm means over said table top and adapted to rotate with said arm means for angulating the x-ray tube means longitudinally of said table top, and f. means responding to longitudinal translation of said x-ray tube carriage means by rotating said tube support arm means and thereby angulating saId tube means longitudinally in proportion to the amount of carriage translation, g. a shutter means movably mounted within said table body under said table top, h. means adapted to position a film in a plane under said shutter means, i. an image intensifier means movably mounted within said table body under the plane of the film, j. means interconnecting said shutter means and said image intensifier means, said interconnecting means being pivotable about an axis that lies in said film plane, and k. means coupling said interconnecting means and said tube support arm rotating means whereby operation of the latter during longitudinal translation of said x-ray tube carriage will turn said interconnecting means and shift said image intensifier means and said shutter means in opposite longitudinal directions.
Claim 13
Dependent Claim
252 words
A diagnostic x-ray system comprising: a. an x-ray table body means having an x-ray transparent table top, b. an x-ray tube carriage means adapted to be selectively translated longitudinally of said body and top, c. column means supported on said carriage means, d. an elongated x-ray tube support arm means journaled for selective rotation in said column means, said arm means extending laterally of said table top, e. an x-ray tube means mounted on said support arm means over said table top and adapted to rotate with said arm means for angulating the x-ray tube means longitudinally of said table top, and f. means responding to longitudinal translation of said x-ray tube carriage means by rotating said tube support arm means and thereby angulating saId tube means longitudinally in proportion to the amount of carriage translation, g. a shutter means movably mounted within said table body under said table top, h. means adapted to position a film in a plane under said shutter means, i. an image intensifier means movably mounted within said table body under the plane of the film, j. means interconnecting said shutter means and said image intensifier means, said interconnecting means being pivotable about an axis that lies in said film plane, and k. means coupling said interconnecting means and said tube support arm rotating means whereby operation of the latter during longitudinal translation of said x-ray tube carriage will turn said interconnecting means and shift said image intensifier means and said shutter means in opposite longitudinal directions.
Claim 14
Dependent Claim
264 words
A diagnostic x-ray system comprising: a. an x-ray table body means, b. a carriage means mounted for bidirectional longitudinal movement within said body means, c. a shutter means mounted in a first plane for limited bidirectional longitudinal translation on said carriage means, d. means adapted to position a film cassette in said carriage means in a second plane that is substantially parallel with and below the first plane, e. x-ray tube means, f. a tube carriage means mounted for selective bidirectional translation longitudinally of said table body means and supporting said x-ray tube means over said table body means, g. means adapted to angulate said x-ray tube means longitudinally in correspondence with the translation of said tube carriage means whereupon the central beam from said x-ray tube means will remain directed substantially at the center of a selected film area, h. means adapted to shift said shutter means in the direction in which said tube carriage means is translated so that the shutter means will not cut off any desired part of the x-ray beam when said x-ray tube is angulated, i. an image intensifier means mounted for limited bidirectional translation on said carriage means in a plane below the plane of a film in said cassette, j. means interconnecting said shutter means and said image intensifier means, and k. means rotating said interconnecting means about an axis that is coincident with the film plane through an angle corresponding with the angulation of said x-ray tube means, whereby said image intensifier means will shift in a direction opposite to that of the shutter means.
Claim 15
Dependent Claim
264 words
A diagnostic x-ray system comprising: a. an x-ray table body means, b. a carriage means mounted for bidirectional longitudinal movement within said body means, c. a shutter means mounted in a first plane for limited bidirectional longitudinal translation on said carriage means, d. means adapted to position a film cassette in said carriage means in a second plane that is substantially parallel with and below the first plane, e. x-ray tube means, f. a tube carriage means mounted for selective bidirectional translation longitudinally of said table body means and supporting said x-ray tube means over said table body means, g. means adapted to angulate said x-ray tube means longitudinally in correspondence with the translation of said tube carriage means whereupon the central beam from said x-ray tube means will remain directed substantially at the center of a selected film area, h. means adapted to shift said shutter means in the direction in which said tube carriage means is translated so that the shutter means will not cut off any desired part of the x-ray beam when said x-ray tube is angulated, i. an image intensifier means mounted for limited bidirectional translation on said carriage means in a plane below the plane of a film in said cassette, j. means interconnecting said shutter means and said image intensifier means, and k. means rotating said interconnecting means about an axis that is coincident with the film plane through an angle corresponding with the angulation of said x-ray tube means, whereby said image intensifier means will shift in a direction opposite to that of the shutter means.
Claim 16
Dependent Claim
90 words
The invention set forth in claim 10 including: a. a tomographic carriage means mounted for selective bidirectional translation longitudinally of said table body means, b. a tomographic link means pivotally mounted on said tomographic carriage means, c. a shaft means fastened at one end of said tomographic link means and extending into said table body to where it is journaled in said carriage means and operatively coupled to said interconnecting means, said shaft means translating said carriage means and turning said interconnecting means when said tomographic link means is pivoted.
Claim 17
Dependent Claim
295 words
A diagnostic x-ray system comprising: a. x-ray table body means, b. an x-ray transmissive patient supporting table top mounted on said body means, c. means in said body means operatively coupled with said top for selectively raising said top above said body means, d. carriage means in said body adapted to support a film cassette in a plane below the table top, e. an x-ray tube carriage that is selectively translatable in opposite directions longitudinally of said body, f. an x-ray tube means support on said tube carriage, said tube means support extending over said table top, g. an x-ray tube means pivotably mounted on said support for being angulated longitudinally of the table top, h. a tomographic carriage that is translatable longitudinally of said body in substantial parallelism with said tube carriage, i. means for selectively interloCking said tomographic and tube carriages for joint longitudinal translation or alternately holding said tomographic carriage in a fixed position so that said tube carriage may translate independently, j. a pivot carriage that is supported on and adjustable with respect to said tomographic carriage, k. a tomographic link pivotally mounted on said pivot carriage, the pivotal axis of said link being projected laterally over said table top, said axis being adjustable with respect to said table top by adjusting said pivot carriage, the said link being operatively coupled with said tube support to angulate the support and said tube means in response to said tube carriage translating independently, l. the plane in a body through which said pivot axis projects being selectable by adjusting either or both said pivot carriage or the height of said table top, whereupon the amount of magnification of the image of the plane on a film in the cassette may be selectively controlled.
Claim 18
Dependent Claim
295 words
A diagnostic x-ray system comprising: a. x-ray table body means, b. an x-ray transmissive patient supporting table top mounted on said body means, c. means in said body means operatively coupled with said top for selectively raising said top above said body means, d. carriage means in said body adapted to support a film cassette in a plane below the table top, e. an x-ray tube carriage that is selectively translatable in opposite directions longitudinally of said body, f. an x-ray tube means support on said tube carriage, said tube means support extending over said table top, g. an x-ray tube means pivotably mounted on said support for being angulated longitudinally of the table top, h. a tomographic carriage that is translatable longitudinally of said body in substantial parallelism with said tube carriage, i. means for selectively interloCking said tomographic and tube carriages for joint longitudinal translation or alternately holding said tomographic carriage in a fixed position so that said tube carriage may translate independently, j. a pivot carriage that is supported on and adjustable with respect to said tomographic carriage, k. a tomographic link pivotally mounted on said pivot carriage, the pivotal axis of said link being projected laterally over said table top, said axis being adjustable with respect to said table top by adjusting said pivot carriage, the said link being operatively coupled with said tube support to angulate the support and said tube means in response to said tube carriage translating independently, l. the plane in a body through which said pivot axis projects being selectable by adjusting either or both said pivot carriage or the height of said table top, whereupon the amount of magnification of the image of the plane on a film in the cassette may be selectively controlled.
References Cited (Backward Citations)
US2491224A
Cited
FR1360575A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-01-02 | 1976-07-03 | 1977-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-02 | 1980-07-03 | 1981-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-02 | 1984-07-03 | 1985-01-02 | $7700.00 | Window Closed / Lapsed |