US3845946A - Medical device with hydraulically movable parts - Google Patents

Medical device with hydraulically movable parts Download PDF

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Publication number
US3845946A
US3845946A US00373814A US37381473A US3845946A US 3845946 A US3845946 A US 3845946A US 00373814 A US00373814 A US 00373814A US 37381473 A US37381473 A US 37381473A US 3845946 A US3845946 A US 3845946A
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US
United States
Prior art keywords
valve
valves
mentioned
instrumental
casing
Prior art date
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
Application number
US00373814A
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English (en)
Inventor
H Warden
B Sedell
F Kindvall
C Berg
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.)
Stierlen Maquet AG
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Siemens Corp
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Filing date
Publication date
Priority claimed from DE19722232553 external-priority patent/DE2232553C3/de
Application filed by Siemens Corp filed Critical Siemens Corp
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Publication of US3845946A publication Critical patent/US3845946A/en
Assigned to STIERLEN-MAQUET AG, FIRM, A GERMAN CORP. reassignment STIERLEN-MAQUET AG, FIRM, A GERMAN CORP. ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: SIEMENS AKTIENGESELLSCHAFT
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G13/00—Operating tables; Auxiliary appliances therefor
    • A61G13/02—Adjustable operating tables; Controls therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G2203/00—General characteristics of devices
    • A61G2203/10—General characteristics of devices characterised by specific control means, e.g. for adjustment or steering
    • A61G2203/12—Remote controls

Definitions

  • a medical device has hydraulically movable parts [52] US. Cl. 269/323 t d b in t mental valves and a central steering [51] Int. Cl A61g 13/00 de i e whi h includes steering members for actuating Field of Search 427, the valves and connecting elements between the steer- 254/10 R, 10 B, 10 C, 124; 269/322, 323, ing members and the valves.
  • the invention is particu- 324, 325 larly characterized in that as means for transmitting pressure necessary for actuating the valves a flowing [56] References Cited di m is used,
  • X 16 l is operating table.
  • This invention relates to a medical device with hydraulically Ymovable parts steered by instrumental valves and a central steering device'which includes steering members-for actuating the valves and'connecting elements between thesteering members and the valves.
  • t I t In known hydraulicallyactuated operating tables of this type the valves of the hydraulic system are located in a central steering device (US. Pat. No.
  • An object of the present invention is to provide an actuating device for the hydraulic valves which will not produce any danger of explosion even in contact with narcotic gas and furthermore, wherein the connecting elements between the valves of the operating table and the central, steering device are thin, light and flexible.
  • a flowing medium as means for transmitting pressure required for the actuation of the instrumental valves.
  • a gas for example, compressed air
  • the required dimensions of the connecting elements can be kept so small that they can be compared to a conducting wire for low current.
  • positioning valves connected in parallel with instrumental valves for automatically determining specific positions (basic positions) of the patient supporting plate. These positioning valves are switched on by a separate steering member or by several steering members common to them and they are switched off in the predetermined position of the patient supporting plate by studs or the like located upon parts pertaining to the corresponding positioning valves.
  • This arrangement provides that specific locations of the supporting plate which are considered particularly advantageous by operating doctors can be found immediately upon the central steering devicebyactuating a switch key of a steering member.
  • Thisove'rpressure valve is provided in the connectionbetween the cylindrical space causingthe height movementof the sup-' porting plate andthe corresponding instrumental valve; 1 it responds to pressure exerted byweight upon the supporting plate and provides an opening of theinstrume'ntal valve for the height movement of the support-ing plate only when this weight is present.
  • a compressed air motor is used as the driving element for the pressure producer of the hydraulic system and there are means actuated by the steering device for switching the motor on and off. These means actuate the motor when one of the steering members is operated and they switch it off at the end of the movement.
  • struts are swingably connected at both ends at a relative distance corresponding to about one half stroke with ends of the two foot parts.
  • the hydraulic member is located between the two struts preferably at their fixing points which are closest to each other in the deepest position of the supporting plate.
  • FIG. 1 is a front view of an operating table constructed in accordance with the present invention.
  • FIG. 2 is a side view of the same table.
  • FIG. 3 is a circuit diagram of the steering system.
  • FIG. 4 illustrates diagrammatically the steering device for the hydraulic drive.
  • FIG. 5 is a front view of an operating table having a particularly space saving foot construction.
  • FIG. 1 shows the lower part of an operating table as consisting of a cylinder-like foot casing l which is open on top and into which extends piston-like a further casing 2 which is closed on top and is movable vertically relatively to the casing l.
  • the cover of the casing 2 has a cylindrical head 3 to which is fixed the frame 4 of the patient supporting plate 5.
  • a hydraulic member 8 is fixed on pins 6 and 7 between the casings l and 2 and it causes a vertical relative movement of the two casings and thus the height movement of the supporting plate.
  • Another hydraulic member 9 which causes the swinging movement of the supporting plate 5 about the rotary axle 10, is located between the casing 2 and the frame 4 and is fixed on pins 11, 12.
  • the supporting plate 5 is movably mounted upon a slide system (not shown) which is fixed to the frame 4.
  • a hydraulic member 13 is provided for the longitudinal movement of the patient supporting plate 5 and is fixed on pins 14 and 15 between the frame 4 and the supporting plate 5.
  • FIG. 2 shows that a hydraulic member 18 is provided between the frame 4 and the piston-like casing 2 upon pins 16 and 17 for the side tipping of the supporting plate about the rotary axle 19.
  • a hydraulic member 20 provided for the transverse movement of the supporting plate 5, is fixed on pins 21, 22 between the frame 4 and the supporting plate.
  • a central steering device 23 provided for steering the hydraulic members is connected by compressed air conduits combined in a cable 24 with the elements of the hydraulic system which are to be actuated.
  • the central steering device 23 can be placed upon a carriage (not shown), upon any desired location of the apparatus itself or on a wall of the treating room.
  • the cable 24 can be pulled screw-like in a manner similar to that of a telephone cable.
  • FIG. 3 shows several steering members 25 to 32 combined in the central steering device 23, provided with corresponding pressure keys 33 to 40 and connected with an outer compressed air container 41.
  • the hydraulic members 8, l3 and 18 are actuated by instrumental valves 42, 43 and 44.
  • the auxiliary valve 45 connected in parallel to the instrumental valve 43 operates as a short circuit valve.
  • the other component parts of the hydraulic system, including the steering device 46 for the hydraulic drive shown in FIG. 4 and the valve unit 47 will be described later on.
  • the steering member 25 is provided in the central steering unit 23 for automatically finding a specific position of the patient supporting plate.
  • By actuating the pressure key 33 of this steering member compressed air will flow to four positioning valves 64 to 67.
  • the positioning valves 64, 65 are connected through two way valves 48, 63 to one of the two steering inlets of the instrumental valve 43 and the positioning valves 66, 67 are connected through two way valves 72, 73 to one of the two steering inlets of the instrumental valve 44.
  • the positioning valves are so arranged that they can be switched off by lugs 68 to 71 located upon the supporting plate 5 in the provided position of the patient supporting plate.
  • the positioning valve 66 When one of the table lugs, for example the lug 70, actuates the positioning valve 66 pertaining to it, then compressed air is supplied on the one hand to the instrumental valve 44 and on the other hand to the pressure amplifier 56 through the two way valve 48 in the already described manner, so that the hydraulic member 18 begins to operate and the corresponding part, in this case the supporting plate 5 will move until it reaches the'predetermined position. In this position the positioning valve 66 is switched off by the lug 70 so that the supply of oil to the hydraulic member 18 through the instrument valve 44 influenced by the positioning valve 66 is interrupted.
  • the other positioning valves 64, 65, 67 operate in a corresponding manner.
  • the steering members 29, 30 with their pressure keys 37, 38 are suitable for operating the instrument valve 43 and the hydraulic member 13, which are provided for the longitudinal movement of the supporting plate 5.
  • the two way valves 72, 73 operate in the same manner as the two way valves 48, 63 namely, they transmit An auxiliary valve 45 connected in parallel to the instrumental valve 43,is provided for the free movement by hand of the supporting plate in the horizontal position.
  • FIG. 5 is a front view of a construction of the raising mechanism of the patient supporting plate 5 which is different from that of FIG. 1.
  • the box-shaped support of the device is divided along a shortened diagonal 95 and thus consists of two parts 96, 97.
  • the part 96 is firmly connected with the ground plate 98, while the. part 97 carries the supporting plate 5.
  • the two parts are interconnected by struts 99 and 100 extending diagonally in a direction opposed to that of the diagonal division of the parts.
  • These two struts are located longitudinally parallel to each other at a distance corresponding to about one half of the stroke and are connected by supporting pins 101 and 102 with the base part 96, and by supporting pins 103 and 104 with the base part 97.
  • the hydraulic member 8 is located between bearing pins 102 and 103 located closest to each other in the illustrated deepest position of the supporting plate 5.
  • a medical device comprising a plate for the patient, a casing, a frame pivotally connected with said casing and supporting said plate, at least one hydraulic member connected with said frame for swinging said frame, another hydraulic member connected with said casing for vertically moving at least a part of said casing, at least one third hydraulic member connected with said plate for longitudinally moving said plate, a plurality of instrumental valves, means operatively connecting one of said instrumental valves with the firstmentioned hydraulic member, means operatively connecting another one of said instrumental valves with the second-mentioned hydraulic member, means operatively connecting a third one of said instrumental valves with the third-mentioned hydraulic member, a central steering device comprising a plurality of interconnected steering members, and separate pressure keys connected with separate steering members; a compressed air container connected with all steering members, means operatively connecting one of said steering members with the first-mentioned instrumental valve, means operatively connecting another one of said steering members with the second-mentioned instrumental valve, means operatively connecting a third hydraulic
  • a device wherein means connecting at least two of said positioning valves to the instrumental valves are also connected to at least two steering members to maintain the two positioning valves on opposite sides of the basic position of said frame.
  • a device comprising means connected with one of said steering members and said third-mentioned instrumental valve for short-circuiting the third-mentioned instrumental valve to permit hand movement of said plate.
  • a device in accordance with claim 3, wherein the last-mentioned means include an auxiliary valve and conduits connected with said valve ahd with opposed sides of the third hydraulic member, said opposed sides being separated by the piston of said hydraulic memher.
  • means connecting the second-mentioned hydraulic member with the second-mentioned instrumental valve comprise an overpressure switch, an overpressure valve connected with said overpressure switch, and means connected with said overpressure switch and actuating it depending upon the pressure exerted by the weight of said plate, said overpressure switch actuating said overpressure valve only when this pressure is present, whereupon said overpressure valve will pennit opening of the second-mentioned instrumental valve for the vertical movement of said casing.
  • a device in accordance with claim 4, wherein said frame comprises supports engaging said plate, a separate safety valve connected with each support, and means connecting said safety valves with the secondmentioned instrumental valve, said safety valves opening the second-mentioned instrumental valve to permit movement of said plate only when said plate is properly mounted.
  • said casing is box-shaped and consists of two parts, one of said parts being fixed, the second-mentioned hydraulic member being located within said casing and connected with both parts of the casing, the other one of said parts carrying said frame, the second-mentioned hydraulic member moving said other part substantially vertically relatively to said one part.

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)
  • Invalid Beds And Related Equipment (AREA)
US00373814A 1972-07-03 1973-06-26 Medical device with hydraulically movable parts Expired - Lifetime US3845946A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722232553 DE2232553C3 (de) 1972-07-03 Medizinisches Gerät mit hydraulisch bewegbaren Elementen

Publications (1)

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US3845946A true US3845946A (en) 1974-11-05

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US00373814A Expired - Lifetime US3845946A (en) 1972-07-03 1973-06-26 Medical device with hydraulically movable parts

Country Status (8)

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US (1) US3845946A (enrdf_load_stackoverflow)
CH (1) CH553574A (enrdf_load_stackoverflow)
FI (1) FI59335C (enrdf_load_stackoverflow)
FR (1) FR2237079B1 (enrdf_load_stackoverflow)
GB (1) GB1432207A (enrdf_load_stackoverflow)
IT (1) IT998178B (enrdf_load_stackoverflow)
SE (1) SE386589B (enrdf_load_stackoverflow)
SU (1) SU536747A3 (enrdf_load_stackoverflow)

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3977664A (en) * 1975-03-25 1976-08-31 Affiliated Hospital Products, Inc. Hydraulic control valve arrangement for operating tables and the like
US4033339A (en) * 1975-08-12 1977-07-05 by said Gratz L. Roberts SAID William P Roberts Cervical side posture table having effective head restraint means
US4061324A (en) * 1975-03-03 1977-12-06 Siemens Aktiengesellschaft Patients support table
US4186917A (en) * 1977-05-27 1980-02-05 M. Schaerer A.G. Operating table for medical purposes
US4592104A (en) * 1983-12-06 1986-06-03 Hill-Rom Company, Inc. Hospital bed
US4749177A (en) * 1986-03-20 1988-06-07 Siemens Aktiengesellschaft Patient supporting table
US4872656A (en) * 1981-12-21 1989-10-10 American Sterilizer Company Orthopedic table with movable upper body and sacrum supports
US4944501A (en) * 1986-07-18 1990-07-31 General Electric Cgr Sa Examination bed for NMR or tomodensitometry apparatus
US4989848A (en) * 1981-12-21 1991-02-05 American Sterilizer Company Apparatus for adjusting the position of the upper body support of an orthopedic table
US5058871A (en) * 1989-05-25 1991-10-22 Waygo Incorporated Examination table assembly
US5586349A (en) * 1994-03-04 1996-12-24 Smiths Industries Public Limited Company Trolleys
US6073284A (en) * 1997-11-07 2000-06-13 Hill-Rom, Inc. Surgical table
US6269499B1 (en) * 1999-06-29 2001-08-07 General Electric Company Multi-axis planar mechanism for a positioner patient platform
US6484334B1 (en) 1997-11-07 2002-11-26 Hill-Rom Services, Inc. Surgical table
US8025347B1 (en) * 2009-03-26 2011-09-27 Eduvijes Solis Mop holding device
US20180147105A1 (en) * 2016-11-28 2018-05-31 Verb Surgical Inc. Robotic surgical table with relatively high resonant frequency structure to reduce efficiency of energy transmission between attached robotic arms
US10206841B2 (en) * 2017-01-06 2019-02-19 Aktiebolaget Skf Actuation system for controlling the movement of a table

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2468780C1 (ru) * 2011-08-15 2012-12-10 Юрий Иванович Русанов Устройство возвратно-поступательного продольного перемещения многофункционального диагностико-хирургического операционного стола с возможностью информационно-компьютерного управления им. ю.и. русанова
RU2468783C1 (ru) * 2011-08-15 2012-12-10 Юрий Иванович Русанов Устройство для разворота в горизонтальной плоскости многофункционального диагностико-хирургического операционного стола с возможностью информационно-компьютерного управления им. ю.и. русанова
RU2468784C1 (ru) * 2011-08-15 2012-12-10 Юрий Иванович Русанов Устройство вертикального перемещения многофункционального диагностико-хирургического операционного стола с возможностью информационно-компьютерного управления им. ю.и. русанова
RU2468782C1 (ru) * 2011-08-15 2012-12-10 Юрий Иванович Русанов Устройство вертикального наклона многофункционального диагностико-хирургического операционного стола с возможностью информационно-компьютерного управления им. ю.и. русанова
RU2468779C1 (ru) * 2011-08-15 2012-12-10 Юрий Иванович Русанов Устройство возвратно-поступательного продольного и вертикального перемещения позиционного с разворотным механизмом инструментального стола многофункционального диагностико-хирургического операционного стола с возможностью информационно-компьютерного управления им. ю.и. русанова
RU2468778C1 (ru) * 2011-08-15 2012-12-10 Юрий Иванович Русанов Устройство возвратно-поступательного продольного и вертикального перемещения позиционного с разворотным механизмом инструментального стола многофункционального диагностико-хирургического операционного стола с возможностью информационно-компьютерного управления им. ю.и. русанова
RU2468781C1 (ru) * 2011-08-15 2012-12-10 Юрий Иванович Русанов Устройство возвратно-поступательного продольного и вертикального перемещения позиционного с разворотным механизмом инструментального стола многофункционального диагностико-хирургического операционного стола с возможностью информационно-компьютерного управления им. ю.и. русанова

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2217783A (en) * 1938-06-09 1940-10-15 F O Schoedinger Operating table
US2717107A (en) * 1954-10-29 1955-09-06 Jr George J Moletz Gun for viscous material
US2794694A (en) * 1952-01-24 1957-06-04 Air Reduction Surgical operating table with hydraulic actuating means
US2994443A (en) * 1958-09-15 1961-08-01 Julian E Gordon Equipment for removing engine turbine rotors while installed in aircraft
US3041120A (en) * 1960-09-22 1962-06-26 Ritter Co Inc Surgical table
US3206188A (en) * 1961-08-28 1965-09-14 Shampaine Ind Inc Hydraulically actuated surgical operating tables
US3220318A (en) * 1963-11-21 1965-11-30 John R Mcguire Hydraulic system
US3473024A (en) * 1967-10-23 1969-10-14 Gen Electric X-ray tabletop extension and tilt control

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1391840A (fr) * 1964-01-15 1965-03-12 American Sterilizer Co Table d'opération perfectionnée
US3378103A (en) * 1965-09-29 1968-04-16 Mccabe Powers Body Company Aerial platforms

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2217783A (en) * 1938-06-09 1940-10-15 F O Schoedinger Operating table
US2794694A (en) * 1952-01-24 1957-06-04 Air Reduction Surgical operating table with hydraulic actuating means
US2717107A (en) * 1954-10-29 1955-09-06 Jr George J Moletz Gun for viscous material
US2994443A (en) * 1958-09-15 1961-08-01 Julian E Gordon Equipment for removing engine turbine rotors while installed in aircraft
US3041120A (en) * 1960-09-22 1962-06-26 Ritter Co Inc Surgical table
US3206188A (en) * 1961-08-28 1965-09-14 Shampaine Ind Inc Hydraulically actuated surgical operating tables
US3220318A (en) * 1963-11-21 1965-11-30 John R Mcguire Hydraulic system
US3473024A (en) * 1967-10-23 1969-10-14 Gen Electric X-ray tabletop extension and tilt control

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4061324A (en) * 1975-03-03 1977-12-06 Siemens Aktiengesellschaft Patients support table
US3977664A (en) * 1975-03-25 1976-08-31 Affiliated Hospital Products, Inc. Hydraulic control valve arrangement for operating tables and the like
US4033339A (en) * 1975-08-12 1977-07-05 by said Gratz L. Roberts SAID William P Roberts Cervical side posture table having effective head restraint means
US4186917A (en) * 1977-05-27 1980-02-05 M. Schaerer A.G. Operating table for medical purposes
US4872656A (en) * 1981-12-21 1989-10-10 American Sterilizer Company Orthopedic table with movable upper body and sacrum supports
US4989848A (en) * 1981-12-21 1991-02-05 American Sterilizer Company Apparatus for adjusting the position of the upper body support of an orthopedic table
US4592104A (en) * 1983-12-06 1986-06-03 Hill-Rom Company, Inc. Hospital bed
US4749177A (en) * 1986-03-20 1988-06-07 Siemens Aktiengesellschaft Patient supporting table
US4944501A (en) * 1986-07-18 1990-07-31 General Electric Cgr Sa Examination bed for NMR or tomodensitometry apparatus
US5058871A (en) * 1989-05-25 1991-10-22 Waygo Incorporated Examination table assembly
US5586349A (en) * 1994-03-04 1996-12-24 Smiths Industries Public Limited Company Trolleys
US6073284A (en) * 1997-11-07 2000-06-13 Hill-Rom, Inc. Surgical table
US6484334B1 (en) 1997-11-07 2002-11-26 Hill-Rom Services, Inc. Surgical table
US6832398B2 (en) 1997-11-07 2004-12-21 Hill-Rom Services, Inc. Surgical table
US6269499B1 (en) * 1999-06-29 2001-08-07 General Electric Company Multi-axis planar mechanism for a positioner patient platform
US8025347B1 (en) * 2009-03-26 2011-09-27 Eduvijes Solis Mop holding device
US20180147105A1 (en) * 2016-11-28 2018-05-31 Verb Surgical Inc. Robotic surgical table with relatively high resonant frequency structure to reduce efficiency of energy transmission between attached robotic arms
US11602474B2 (en) 2016-11-28 2023-03-14 Verb Surgical Inc. Surgical table base with high stiffness and adjustable support members with force feedback
US11813203B2 (en) * 2016-11-28 2023-11-14 Verb Surgical Inc. Robotic surgical table with relatively high resonant frequency structure to reduce efficiency of energy transmission between attached robotic arms
US10206841B2 (en) * 2017-01-06 2019-02-19 Aktiebolaget Skf Actuation system for controlling the movement of a table

Also Published As

Publication number Publication date
GB1432207A (en) 1976-04-14
FI59335C (fi) 1981-08-10
FI59335B (fi) 1981-04-30
CH553574A (de) 1974-09-13
SE386589B (sv) 1976-08-16
FR2237079A1 (enrdf_load_stackoverflow) 1975-02-07
SU536747A3 (ru) 1976-11-25
DE2232553B2 (de) 1975-09-04
DE2232553A1 (de) 1974-01-31
IT998178B (it) 1976-01-20
FR2237079B1 (enrdf_load_stackoverflow) 1977-09-16

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Legal Events

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AS Assignment

Owner name: STIERLEN-MAQUET AG, FIRM, KEHLER STRASSE 31, 7550

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:SIEMENS AKTIENGESELLSCHAFT;REEL/FRAME:003853/0070

Effective date: 19810504