US3636351A - Combined x-ray film changer and x-ray transducer assembly for diagnostic apparatus - Google Patents

Combined x-ray film changer and x-ray transducer assembly for diagnostic apparatus Download PDF

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Publication number
US3636351A
US3636351A US76418A US3636351DA US3636351A US 3636351 A US3636351 A US 3636351A US 76418 A US76418 A US 76418A US 3636351D A US3636351D A US 3636351DA US 3636351 A US3636351 A US 3636351A
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United States
Prior art keywords
film
screen
roller
screens
ray
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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US76418A
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English (en)
Inventor
Pierre Lajus
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Compagnie Generale de Radiologie SA
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Compagnie Generale de Radiologie SA
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    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B42/00—Obtaining records using waves other than optical waves; Visualisation of such records by using optical means
    • G03B42/02—Obtaining records using waves other than optical waves; Visualisation of such records by using optical means using X-rays
    • G03B42/021—Apparatus for direct X-ray cinematography

Definitions

  • the present invention relatesto X-ray',diagnosticq:parms. 5 med-ism ejects the film from between the screens into the and more particularly to a combination film chanprand X- espnsed film holder.
  • An X-ray picture amplifier tube is ray image transducer assembly to permit.
  • the assembly of the present invention includes an inm m fl mmi mmb m d tegrated assembly with a picture amplifier or image intensifier m.
  • This loss in resolving power may hesufii m g h m i hi h fil h cient to prevent use of such equipment in certain types ti 3 a radiological examinations.
  • 8 lighttight housing l includes film cassettes are used, to be associated with the equipmert, m km mplifigg 2, mm o i 3, nd g t l viso that film may be used to Ob n the W W ioa-typescarmingcameraCamerafisconnectedtotelevichangeover from film to radioscopic examination. however, I h M; W m a mm W eg.
  • the film changers currently utilized can- Th 5h h e: i di ided in th e e l rti n not usually be associated with radiographic apparnusllavinga re i Th fi t m a the to ide of the figure, i the picture amplifier so that thefilm will heplacetiinthessmeesfl g; m whi h h fil l ani magazine 5 i posure field as the picture amplifier itself.
  • a ietiflefndie L'lhesecondscreen t1 ismovably mounted on a rigid frame, s p frames can be expend during radio-eerie mttuemwatdt andaway time screen ill in the direction of lien observable 0t! television-type "(2598. Th flfll ii & m [Xfl mmofihg m 1] award; and away from vanced intermittently.
  • a lighttight housing which has the see terferenee with the mission ot'X-rsys which will continue tions or portion-a
  • exposure section includes a cutter asposed film storage portion. including a lighttight film stomp mmhly 12 located aboveacreens 1d. 11. Cutter assembly 12 holder.
  • independent drive means are provided to thive the omitsot a movahie utter blade 12h, movable towards the film supply into thegap hctwecnthe 75 rigllnthe figtueagiznatsltv'fl lhlaapreferred emborho 3 athenonfieblarkmisintegrallysecuredtotheframe ezryingmonhlesseen .Othercutterassemblies,suchaa mtarycutteac-hused 'flleth'ndscctiouofthefihn changeris the exposed film Ioragepnrrinmkicludes an ejector roller 13, a counter ejectiorrrdierlhsv'nzgashatt parallel to that of roller 13.
  • Control console C can include interlocks ad rimerddisc'lcuitsto provide for proper sequencing apes-aria Frhispaiddfznm thecartridge 5 by supply roller 6 over stilesiandlisnnghthegapbetween screens 10. 11 and toestndbetweensolers l3, 24.
  • This length of film may be the mastheciruferenccof roller 8. The film is stopped, for es-plebyae-csmectedtotheshaftofrolled andcloeigapa oicnntsctslcothermechanisms may be used, such aedgcseiirrgdesiregamicroswitch placed justbelow roller lflm'theih.
  • lcanrearilybeseenthattheexposure section ofthe filrn is hcaleduithintheradiated besrn, inadvanoe otthe photosenirelayerdtheX-raypictmeamplifier tube 2.
  • Operstinclfiidesiredto make an X-ray picture. control peiC sopaieiiwexample by one of the switches shown 1 .toelesg'ne motor M! which will causes rotatinnofthesqplgroflerandfeedfilm over roller8 through sh gapbetnensueens ll, 11.
  • motor Ml isdeenergized adlhefilssiflshplt isnow caught between ejection rollers 8,1 Assuocastiefilns is stopped. by operation of switch Igwaydhernns'ngmeans, the secondrnotor M2 is enerll flmove towards screen I.
  • another X-ray irnagecanbetakenortheX-raysom'cemh energized again toenableradioscopieessminaiionof-objectby impingemcntotX-radiationonthesensiivefaed tubeZthroughthescreern.
  • the structure of the present invention thnsproviba sistantial film storage capability within cartridge 5, butnom oft'rlm;filmisfedonlywbensuimage'sintendedmbetakel.
  • the numberofsuoosaiveenposurescsusedbytheX-ray sourcecanbecontrolled,forexnmple,byacrnrnterorpointes sothateachfiftmorsixthpulseofradiationenrittedhyax raysource ia,i'orexanrple,recordedonfilnr.conrrolpanelc can containsuitable program timer,orcounserswitches,s desired.
  • Thelengthot'thefilrncontaincdvithinmtridge! may well be in the orderofSO meters.
  • Control console can readily contain logic circuit, electroncally or electromechanieslly constructed positing for stantial .irversity and flexibility in program-lg i preestablished radiation sequences, their and relative sequential arrangement of radiographic pictasa Id raiscopic examination.
  • IE si housing for displacement towards and away [In ssi first screen and loatnd behindsaidfirstscreenldsr'sleb tosaid X-raybcarn;
  • substantially tosaidX-rg means forcuttingssidunexposedfihibfleeui predetermined length greater than that of said tree, located betweensaidtransportingrneansandssidscree. inthevicinityofthelattenandinchdhg: sfixed bladerecuredtosaid housing, a movable blade secured integrallyto said rte-crib:
  • rollenand 5 aieedrollerhvingnhaitpamlleltothnt otsaidejeetion
  • a movable idler roller mounted for rotation about a shall h parallel to that of said mutt mm Md lodged aired idler rollercontiguous with said feed roller having tegrally with said movable frame member for engaging MM m u with said m with Hid roller mwtt when taid mm m apart and W
  • said electrically controlled means for driving an W when M P transportingmeansandsaid ejection roller means respecw lively include um um motor!

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Radiography Using Non-Light Waves (AREA)
US76418A 1969-10-10 1970-09-29 Combined x-ray film changer and x-ray transducer assembly for diagnostic apparatus Expired - Lifetime US3636351A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6934687A FR2062095A5 (enrdf_load_stackoverflow) 1969-10-10 1969-10-10

Publications (1)

Publication Number Publication Date
US3636351A true US3636351A (en) 1972-01-18

Family

ID=9041323

Family Applications (1)

Application Number Title Priority Date Filing Date
US76418A Expired - Lifetime US3636351A (en) 1969-10-10 1970-09-29 Combined x-ray film changer and x-ray transducer assembly for diagnostic apparatus

Country Status (4)

Country Link
US (1) US3636351A (enrdf_load_stackoverflow)
FR (1) FR2062095A5 (enrdf_load_stackoverflow)
GB (1) GB1318758A (enrdf_load_stackoverflow)
SE (1) SE364374B (enrdf_load_stackoverflow)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3860817A (en) * 1973-08-10 1975-01-14 Gen Electric Reducing patient X-ray dose during fluoroscopy with an image system
US3971953A (en) * 1973-01-02 1976-07-27 Picker X-Ray Mfg. Limited X-ray table
US4217500A (en) * 1978-02-03 1980-08-12 Compagnie Generale De Radiologie Radiodiagnosis apparatus with removable intensifying screens
WO1987003107A1 (en) * 1985-11-15 1987-05-21 Medrad, Inc. Film changer
US4712227A (en) * 1984-10-04 1987-12-08 Siemens Aktiengesellschaft X-ray film holder and method of operating same for optional fluoroscopic or radiographic examination of a patient
US4723260A (en) * 1985-01-04 1988-02-02 Yoshibumi Mukai Medical X-ray photographic apparatus
US4974249A (en) * 1989-06-02 1990-11-27 Glenbrook Technologies, Inc. X-ray inspection system
US5018182A (en) * 1988-11-15 1991-05-21 Medrad, Inc. Film changer having film-receiving, nondriven cassette with spiral-shaped guide plate
US5113425A (en) * 1989-06-02 1992-05-12 Glenbrook Technologies, Inc. X-ray inspection system for electronic components
US5145163A (en) * 1989-11-24 1992-09-08 Medrad, Inc. Film sheet load magazine
US5263077A (en) * 1988-11-15 1993-11-16 Medrad, Inc. Film changer having film-receiving, nondriven cassette with spiral-shaped guide plate
US6233349B1 (en) * 1997-06-20 2001-05-15 General Electric Company Apparata and methods of analyzing the focal spots of X-ray tubes

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2831979A (en) * 1952-02-21 1958-04-22 Pako Corp X-ray film-handling device
US2872585A (en) * 1955-07-05 1959-02-03 Pako Corp Device for rapidly making x-ray pictures
US3081679A (en) * 1958-06-06 1963-03-19 Franklin X Ray Corp Rapid film changing device
FR1419000A (fr) * 1964-10-15 1965-11-26 Philips Massiot Mat Medic Perfectionnements aux dispositifs changeurs de film

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3971953A (en) * 1973-01-02 1976-07-27 Picker X-Ray Mfg. Limited X-ray table
US3860817A (en) * 1973-08-10 1975-01-14 Gen Electric Reducing patient X-ray dose during fluoroscopy with an image system
US4217500A (en) * 1978-02-03 1980-08-12 Compagnie Generale De Radiologie Radiodiagnosis apparatus with removable intensifying screens
US4712227A (en) * 1984-10-04 1987-12-08 Siemens Aktiengesellschaft X-ray film holder and method of operating same for optional fluoroscopic or radiographic examination of a patient
US4723260A (en) * 1985-01-04 1988-02-02 Yoshibumi Mukai Medical X-ray photographic apparatus
US4893322A (en) * 1985-11-15 1990-01-09 Medrad, Inc. Film changer
WO1987003107A1 (en) * 1985-11-15 1987-05-21 Medrad, Inc. Film changer
US5018182A (en) * 1988-11-15 1991-05-21 Medrad, Inc. Film changer having film-receiving, nondriven cassette with spiral-shaped guide plate
US5263077A (en) * 1988-11-15 1993-11-16 Medrad, Inc. Film changer having film-receiving, nondriven cassette with spiral-shaped guide plate
US4974249A (en) * 1989-06-02 1990-11-27 Glenbrook Technologies, Inc. X-ray inspection system
US5113425A (en) * 1989-06-02 1992-05-12 Glenbrook Technologies, Inc. X-ray inspection system for electronic components
US5145163A (en) * 1989-11-24 1992-09-08 Medrad, Inc. Film sheet load magazine
US6233349B1 (en) * 1997-06-20 2001-05-15 General Electric Company Apparata and methods of analyzing the focal spots of X-ray tubes

Also Published As

Publication number Publication date
GB1318758A (en) 1973-05-31
SE364374B (enrdf_load_stackoverflow) 1974-02-18
FR2062095A5 (enrdf_load_stackoverflow) 1971-06-25

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