EP1034466B1 - Betätigungseinrichtung zum peduellen bedienen von mechanischen, druckmittelbetätigten oder elektrischen einrichtungen - Google Patents
Betätigungseinrichtung zum peduellen bedienen von mechanischen, druckmittelbetätigten oder elektrischen einrichtungen Download PDFInfo
- Publication number
- EP1034466B1 EP1034466B1 EP98965199A EP98965199A EP1034466B1 EP 1034466 B1 EP1034466 B1 EP 1034466B1 EP 98965199 A EP98965199 A EP 98965199A EP 98965199 A EP98965199 A EP 98965199A EP 1034466 B1 EP1034466 B1 EP 1034466B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- actuating
- actuating element
- universal joint
- operating table
- actuating device
- 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
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Classifications
-
- 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
Definitions
- the invention relates to an actuating device for pedal operation of mechanical, pressure fluid operated or electrical devices according to Preamble of claim 1.
- Such an actuator is for example from GB-A-2 188 711 known.
- the dome-shaped actuator is after arched at the bottom, so that it is approximately hemispherical Bowl forms.
- This actuator is in a spherical cap Mounted recess, the radius of which is larger than that of the actuating element.
- the universal joint is formed by a hemisphere, which is directly on the curved outer surface of the actuating element is arranged so that the pivot point around which the actuator in the recess can be pivoted, approximately in the spherical surface of the Actuator lies.
- Are in the spherical shell-shaped recess Contact tracks formed by the actuator in a respective Swivel position can be contacted, for example, a circuit close.
- the actuator is suspended by its circumference Springs always returned to a medium equilibrium position. A tour of the actuator for reaching a certain switching position not provided.
- a foot switch which is a cup-shaped Has housing in which four switches are arranged in a cross shape.
- On the level Cover of the housing is slidable actuator stored, which protrudes into the housing with a central pin and at one Shift each shift a switching pin of a switch and thus the Can operate the switch.
- the A star-shaped or cruciform guide link for the housing cover arranged on the actuator arranged pin.
- the invention has for its object an actuator of the Specify the type mentioned above, which allows multiple functions of one to operate the device reliably and comfortably with your foot.
- the actuating device according to the invention is space-saving and light and easy to use, the operating positions clearly separated from each other can be.
- the gap between the spherical cap and the frame can be seal well without restricting the mobility of the spherical cap. Further the spherical cap can do well at any time simply by lifting the frame getting cleaned. This is especially true with a device like one Operating table essential, since it is important to ensure that moving parts no dirt can accumulate and that these parts are easy to clean.
- the switching elements can be formed by electrical pushbutton switches. This The solution is particularly useful when there are a large number of functions to be controlled.
- the actuator for example with at least one valve spool of a pressure medium valve connect.
- the types described above are of Invention the valve slide with the actuating element each via a universal joint connected and relative to the bearing the actuator Universal joint arranged so that with each adjustment movement of the Actuator the current pivot axis of the actuator load-bearing universal joint with a pivot axis of one of the other universal joints coincides.
- the invention further relates to an operating table with a patient support surface, a height-adjustable column supporting this and a column base, one Lift drive for height adjustment of the column, a tilt drive for swiveling the patient support area around a transverse axis and an edge drive for adjusting the patient support surface about a longitudinal axis, the Operating table according to the invention an actuating device of the above mentioned type, the switching elements of the actuators of the operating table Taxes.
- the surgeon usually prefers sterility and uninterrupted reasons Do not operate the operating table functions manually Taxes. Surgical drapes also cover the storage area and hang on the side down the storage area. Controls on the storage area would be therefore not visible and difficult to reach. For these reasons is a foot control of the operating table of particular advantage that on enables simple and sensitive control of various functions.
- the actuator is near the head end of the Column base arranged because it is the easiest to find, see and to there is operated without the operators standing on the edge of the storage area would be hindered by the actuator.
- the operating table shown in Figure 1 comprises a multi-unit storage area 10, the central portion 12 of which is connected to the upper end of a column 14, which rests on a column base 16.
- the column base 16 rests on rollers 18, so that the Operating table is mobile.
- a chassis 20 of the column base 16 is closed recognize on which the rollers 18 are attached.
- Inside the column 14 is a hydraulic one Lift cylinder 22 arranged.
- the column 14 also contains in FIG. 1 Hydraulic cylinder, not shown, for tilting the patient support surface 10 ⁇ m a transverse axis 24 or for edging the bearing surface about a longitudinal axis 26 ( Figure 1).
- a hydraulic pump 28 which has a Foot pedal 30 can be operated to convey pressure medium into the actuating cylinder.
- a lift pedal 32 can be unlocked to lower the lifting cylinder Valve 34.
- An arranged on the chassis 20 serves to store the hydraulic fluid Tank 36.
- Figure 7 shows the hydraulic diagram for the control of the actuating cylinders for adjustment the patient support surface 10.
- the lifting cylinder 22 already mentioned can be seen, one causing the movement of the patient support surface 10 about the transverse axis 24 Inclination cylinder 38 and the pivoting movement of the patient support surface 10 about the longitudinal axis 26 causing folding cylinder 40 and the Tank 36 and the hydraulic pump 28.
- Inflow and outflow of the hydraulic fluid the actuating cylinders 22, 38 and 40 are via valve control blocks 42, 44 and 46 and a valve control block 48, which contains two valve spools 50, 52, which are adjusted by means of the actuating device according to the invention can.
- the valve control block 42 contains that which can be unlocked via the foot lever 32 3/2-way valve 34.
- the valve blocks 42 to 46 are known per se and need not be explained in more detail.
- valve spools 50 and 52 in their middle position, in which they connect a pressure line 54 to the lifting cylinder 22, so that the lifting cylinder 22 by means of the hydraulic pump 28 or from a Pressure accumulator 55 hydraulic fluid can be supplied.
- the lines too the Stelizylindem 38 and 40 are blocked off.
- the valve slide 52 down or retract or extend the piston of the folding cylinder 40 above and thus pivot the patient support surface 10 about its longitudinal axis 26. In these Switch positions of the valve spool 50 and 52 is at the same time Pressure line 54 to the lifting cylinder 22 blocked.
- valve slide 50 and 52 are actuated by means of an actuating device 56, which is near a corner of the column base 16 in the area of the head end the patient support surface 10 is arranged and now with reference to FIGS. 3 to 6 should be explained in more detail.
- the arrangement is for the operation of the Optimized the head of the operating table, as this is the basic requirement.
- FIG. 3 shows schematically the valve control block 48 with different Hydraulic connections.
- Each of the valve spools 50 and 52 is a ball joint 58, 60 and a connecting rod 62 and 64 with a Disk 66 rigidly connected.
- This disc 66 connects between rods 62 and 64 and a support rod 68, which are an actuator 70 carries in the form of a flattened spherical cap and over at its lower end a ball joint 72 is mounted on the top of the valve block 48.
- this ball joint 72 is the actuating element 70 in principle in all directions pivotable.
- This freedom of movement of the actuator 70 is restricted by a trapezoidal guide part 74, which is shown again in FIG is shown more clearly and has an opening 76 at the top thereof Edge 78 serves as a guide link for the support rod 68.
- the rounded Define corners 80, 82, 84 and 86 of the substantially square opening 76 the actuation positions of the actuation element 70.
- the ball joints 58, 60 and 72 are at the corners of a right angle Triangle arranged such that a pivot axis 88 through the center of the joint of the ball joint 58 and the ball joint 72 and that one to the pivot axis 88 perpendicular pivot axis 90 through the ball joint centers the ball joints 60 and 72 runs.
- Figures 5 and 6 show the valve element 70 in three of its five possible Positions, once from the side ( Figure 5) and once from above ( Figure 6).
- the actuating element 70 is surrounded by a frame 92 which has a circular frame opening 94 through which the spherical cap of the actuating element 70 can partially pass through.
- position (a) this takes Actuator 70 its middle or basic position.
- Actuator 70 In this position are also the two valve spools 50 and 52 in their central position, so that the inflows and outflows for the tilt cylinder 38 and the folding cylinder 40 are blocked, whereas the pressure medium line 54 to the lifting cylinder 22 is released is.
Landscapes
- 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)
- Mechanical Control Devices (AREA)
- Switches With Compound Operations (AREA)
Abstract
Description
- Figur 1
- eine schematische perspektivische Darstellung eines erfindungsgemäßen Operationstisches,
- Figur 2
- eine Draufsicht auf Säule und Säulenfuß des Operationstisches ohne Verkleidung,
- Figur 3
- eine teilweise schematische perspektivische Darstellung der erfindungsgemäßen Betätigungseinrichtung allein,
- Figur 4
- eine perspektivische Darstellung einer Führungskulisse,
- Figuren 5 (a) bis (c)
- drei schematische Seitenansichten der in Figur 3 dargestellten Betätigungseinrichtung in drei verschiedenen Stellungen des Betätigungselementes,
- Figuren 6 (a) bis (c)
- jeweils eine Draufsicht auf die in Figur 5 dargestellten Betätigungseinrichtungen,
- Figur 7
- einen Hydraulikschaltplan der durch die erfindungsgemäße Betätigungseinrichtung steuerbaren Antriebe des Operationstisches gemäß Figur 1,
- Figur 8
- einen schematischen Querschnitt durch ein Betätigungselement zur Betätigung eines elektrischen Tastschalters,
- Figur 9
- ein Schema zur Erläuterung einer Betätigungseinrichtung zur Betätigung einer Vielzahl von Schaltelementen. und
- Figur 10
- eine Darstellung der Stellsymbole auf dem Betätigungselement.
Claims (7)
- Betätigungseinrichtung zum peduellen Betätigen von mechanischen, druckmittelbetätigten und elektrischen Einrichtungen mit einem flächigen Betätigungselement (70), das in eine Mehrzahl von Richtungen jeweils bis in eine definierte Betätigungsstellung verstellbar ist, in der es ein Schaltelement (50, 52, 98) betätigt, wobei das Betätigungselement (70) in Form einer Kugelkalotte ausgebildet ist, die mittels eines Universalgelenkes (72) schwenkbar gelagert ist, dadurch gekennzeichnet, daß die Kugelkalotte in einer kreisförmigen Öffnung (94) eines sie umgebenden Rahmens (92) angeordnet ist, und daß das Universalgelenk mindestens annähernd im Kugelmittelpunkt der die Kugelkalotte enthaltenden Kugelfläche liegt und mit der Kugelkalotte über eine radial gerichtete Stange (68) verbunden ist, die an dem Flächenmittelpunkt der Kugelkalotte angreift und eine die Stellrichtungen bestimmende Führungskulisse (78) durchsetzt.
- Betätigungseinrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Schaltelemente von elektrischen Tastschaltern (98) gebildet sind.
- Betätigungseinrichtung nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, daß das Betätigungselement (70) mit mindestens einem Ventilschieber (50, 52) eines Druckmittelventils (48) verbunden ist.
- Betätigungseinrichtung nach Anspruch 3, dadurch gekennzeichnet, daß die Ventilschieber (50, 52) mit dem Betätigungselement (70) jeweils über ein Universalgelenk (58, 60) verbunden und relativ zu dem das Betätigungselement (70) tragenden Universalgelenk (72) derart angeordnet ist, daß bei jeder Stellbewegung des Betätigungselementes (70) die aktuelle Schwenkachse (88, 90) des das Betätigungselement tragenden Universalgelenkes (72) mit einer Schwenkachse eines der anderen Universalgelenke (58, 60) zusammenfällt.
- Operationstisch mit einer Patientenlagerfläche (10), einer diese tragenden höhenverstellbaren Säule (14), einem Neigungsantrieb (38) zum Verschwenken der Patientenlagerfläche (10) um eine Querachse (24) und einem Kantungsantrieb (40) zum Verschwenken der Patientenlagerfläche (10) um eine Längsachse (26), gekennzeichnet durch eine Betätigungseinrichtung nach einem der Ansprüche 1 bis 4, wobei die Schaltelemente (50, 52, 98) die Stellantriebe (22, 38, 40) des Operationstisches steuern.
- Operationstisch nach Anspruch 5, dadurch gekennzeichnet, daß die Stellantriebe (22, 38, 40) hydraulische Stellantriebe sind.
- Operationstisch nach Anspruch 5 oder 6, dadurch gekennzeichnet, daß die Betätigungseinrichtung nahe dem Kopfende des Säulenfußes (16) angeordnet ist und zur Seite positioniert ist, so daß in jeder Stellung der Lagerfläche der Zugang zum Betätigungselement möglich ist.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19752928 | 1997-11-28 | ||
DE1997152928 DE19752928C1 (de) | 1997-11-28 | 1997-11-28 | Betätigungseinrichtung zum peduellen Bedienen von mechanischen, druckmittelbetätigten oder elektrischen Einrichtungen |
PCT/EP1998/007713 WO1999028803A2 (de) | 1997-11-28 | 1998-11-30 | Betätigungseinrichtung zum peduellen bedienen von mechanischen, druckmittelbetätigten oder elektrischen einrichtungen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1034466A2 EP1034466A2 (de) | 2000-09-13 |
EP1034466B1 true EP1034466B1 (de) | 2003-05-28 |
Family
ID=7850189
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98965199A Expired - Lifetime EP1034466B1 (de) | 1997-11-28 | 1998-11-30 | Betätigungseinrichtung zum peduellen bedienen von mechanischen, druckmittelbetätigten oder elektrischen einrichtungen |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1034466B1 (de) |
KR (1) | KR20010024646A (de) |
AR (1) | AR013781A1 (de) |
DE (1) | DE19752928C1 (de) |
TW (1) | TW480170B (de) |
WO (1) | WO1999028803A2 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006057306A1 (de) * | 2006-12-05 | 2008-06-12 | Kg Brumaba | Vorrichtung zur selektiven Betätigung mehrerer Schalter oder Schaltkontakte |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3980848A (en) * | 1972-10-16 | 1976-09-14 | Carl Zeiss-Stiftung | Device for the remote control of motions and operations of microsurgical equipment |
GB2188711A (en) * | 1986-04-05 | 1987-10-07 | Chan Christine Ming Chu | Control device |
DE4216371C2 (de) * | 1992-05-18 | 1994-09-01 | Siemens Ag | Fußsteuervorrichtung für zahnärztliche Zwecke |
DE4329301C2 (de) * | 1993-08-31 | 1995-07-27 | Stierlen Maquet Ag | Fußschalter |
-
1997
- 1997-11-28 DE DE1997152928 patent/DE19752928C1/de not_active Expired - Fee Related
-
1998
- 1998-11-30 KR KR1020007005293A patent/KR20010024646A/ko not_active Application Discontinuation
- 1998-11-30 EP EP98965199A patent/EP1034466B1/de not_active Expired - Lifetime
- 1998-11-30 AR ARP980106070 patent/AR013781A1/es active IP Right Grant
- 1998-11-30 WO PCT/EP1998/007713 patent/WO1999028803A2/de not_active Application Discontinuation
-
1999
- 1999-01-25 TW TW87120040A patent/TW480170B/zh not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
WO1999028803A3 (de) | 1999-08-12 |
DE19752928C1 (de) | 1999-09-23 |
KR20010024646A (ko) | 2001-03-26 |
TW480170B (en) | 2002-03-21 |
WO1999028803A2 (de) | 1999-06-10 |
AR013781A1 (es) | 2001-01-10 |
EP1034466A2 (de) | 2000-09-13 |
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