US3797819A - Supporting table for patients - Google Patents

Supporting table for patients Download PDF

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Publication number
US3797819A
US3797819A US00324069A US32406973A US3797819A US 3797819 A US3797819 A US 3797819A US 00324069 A US00324069 A US 00324069A US 32406973 A US32406973 A US 32406973A US 3797819 A US3797819 A US 3797819A
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Prior art keywords
rods
sections
bearings
patients
yoke
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Expired - Lifetime
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US00324069A
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W Platz
H Ludke
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Siemens AG
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Siemens AG
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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
    • A61G13/06—Adjustable operating tables; Controls therefor raising or lowering of the whole table surface
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/04—Positioning of patients; Tiltable beds or the like
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B2200/00—General construction of tables or desks
    • A47B2200/0035—Tables or desks with features relating to adjustability or folding
    • A47B2200/005—Leg adjustment
    • A47B2200/0056—Leg adjustment with a motor, e.g. an electric motor

Definitions

  • ABSTRACT A supporting table for patients has between its base and the table plate a height raising and lowering mechanism which includes rods forming two parallelogram sections connected one behind the other, a connecting member mechanically fixing the upper bearing of the lower section relatively to the lower bearing of the upper section, a motor connected with one of these sections and a power transmitting connection between these sections.
  • Such tables are used, for example, in surgery as well as in irradiation devices and examining devices to securely support the patient in a suitable position.
  • Existing supporting tables have as a rule raising and lowering devices used to adapt the location of the patient to the various requirements.
  • the existing raising and lowering devices change the height level only to a small extent. They are hydraulically, mechanically or electromechanically operated.
  • Austrian patent specification No. 214,023 describes a supporting table for patients wherein the table plate is swingable about a horizontal axis and wherein a chelate rod connection is used for height setting.
  • Such rod connection has, however, the drawback that it takes a great deal of space and that it is comparatively expensive and complicated as far as its structure is concerned. It is therefore badly suitable for certain uses, particularly when utensils must be placed under the table.
  • This Austrian patent specification also describes a parallel rod guide. However, this guide is not used for the height setting of the table but is connected with a device for swinging the table. Thus the parallel rod guide is an addition to the chelate rod connection.
  • An object of the present invention is the provision of a supporting table for patients having means for raising and lowering the table to a great extent so that devices having a great length, as for example, an isotope camera can be placed under the table, while space required for the raising and lowering means is small.
  • the supporting table of the present invention can be used in connection with an isotope camera.
  • the specific connection of the parallelogram rod sections includes a yoke and levers connected with the sections, providing a particularly simple and space saving embodiment of the present invention.
  • the sizes of the yoke and levers are determined by the size of the stroke for raising and lowering the table.
  • the parallel sections have U-shaped interengaging shapes. This construction is particularly effective as a protection against accidents.
  • FIG. 1 is a side view of an apparatus wherein the supporting table of the present invention is used.
  • FIG. 2 is a front view.
  • FIGS. 3 and 3a are diagrams illustrating the operation and size of the double parallelograms of the raising and lowering mechanism.
  • FIG. 4 is a section through one of the parallelogram rods.
  • the supporting table 1 for patients is combined with an isotope camera 2.
  • the camera 2 consists of the actual camera head 3 and a support 4 which is shiftable vertically along a column 5, so that it can be moved from an upper position 3 shown by full lines to a lower position 3 indicated by broken lines in FIGS. 1 and 2.
  • the supporting table 1 for patients consists of a base 7 movable upon the floor by an air seating and carrying the raising and lowering mechanism 8 which extends as an intermediate part to the actual table 9.
  • the table 9 is shown in full lines in its normal lower position and is indicated as 9 by broken lines in its raised position.
  • the actual raising mechanism 8 includes a support 10 fixed to the base 7, a trapeze-shaped connection 1 1 and a support 12 firmly fixed to the table 9.
  • Parallel guides 13 and 14 provide a connection between the support 10 and the connection 11 while parallel guides 15 and 16 provide a connection between the connection 11 and the support 12.
  • the first support 10 carries a rotary bearing 18 for the guide 13.
  • the guides 14 and 13 are connected to rotary bearings 19 and 20, respectively, carried by the connection 11.
  • the connection 11 also carries rotary bearings 21 and 22 opposite the bearings 19 and 20.
  • the bearing 21 is connected with one end of the guide 16 the opposite end of which is connected with a rotary bearing 23 carried by the support 12.
  • the bearing 22 is connected with one end of the guide 15 the opposite end of which is connected with a rotary bearing 24 carried by the support 12.
  • the parallel guides 13, 14 and 15, 16 are of U-shaped outline, with the open U-sides of the parts being directed toward each other and interengaging.
  • the supports 10 and 12 as well as the connection 11 are also U-shaped so that on both sides of the legs of the U-shaped profile of the guides 13 to 16 there is one supporting plate of the supports 10 and 12 as well as of the connection 11, as indicated by 10 and 10' in FIG. 4. Due to this construction the rods are closed on all sides so that there is no danger of accidients resulting from improper grasping.
  • the action of the mechanism 8 is provided by the two parallel guides 13 and 14 the rotary axes of which are constituted by bearings 17 and 18 of the support 10 connected with the base 7.
  • the two sides are moved relatively to each other by a ball bearing spindle 25, in that the motor 25 rotates the threaded rod 28 through the gear drive 27 in a direction corresponding as to whether the table 9 is to be raised or lowered.
  • This causes a swinging of the guide 14 about its bearing and at the same time the lever 29 which is rigidly connected with the guide 14 and extends beyond the bearing 19, will turn the bearing 30 and move upwardly the yoke 31.
  • the parallel guides 13 to 16 are of equal length and there are equal distances between the guides 13 and 14 as well as guides 15 and 16. There are corresponding equal distances between the bearings 17 and 18, 19 and 20, 21 and 22 as well as 23 and 24.
  • the movement of the support 12 and consequently that of the table takes place at least approximately along a vertical line.
  • the angle which the lever 33 forms with the parallel guide 15 is so selected that in the lowermost, namely, the basic or initial position the lever 33 extends in the direction of the line connecting the bearings 19 and 22 (FIG. 3a).
  • the lever 29 forms an angle with the above-mentioned connecting line between bearings 19 and 22 which corresponds with that through which the guides are moved when the stroke has reached its maximum position (maximum stroke angle).
  • the lever 33 will form the maximum stroke angle with the connecting line between bearings 19 and 22.
  • the length of the parallel guides 13 to 16 determines the absolute height of the stroke while the mutual distances of the guides 13, 14 and 15, 16 are selected when taking into consideration the division of mechanical load upon the supports 10 and 12 as well as the connection 11.
  • a supporting table for patients having a base, a table plate and a mechanism located between said base and said table plate for moving said table plate up and down relatively to said base, said mechanism comprising rods forming two parallelogram sections located one above the other, bearings carried by ends of said rods, a connecting member connecting the upper bearings of the lower section with the lower bearings of the upper section, a motor, a drive connecting said motor with one of said sections and power transmitting connecting means between the two sections.
  • said power transmitting means comprise a yoke, a lever constituting a continuation of one of the rods of the lower section and pivotally connected with one end of said yoke, and another lever extending at an angle from the lower end of one of the rods of the upper section and pivotally connected with the other end of said yoke.

Abstract

A supporting table for patients has between its base and the table plate a height raising and lowering mechanism which includes rods forming two parallelogram sections connected one behind the other, a connecting member mechanically fixing the upper bearing of the lower section relatively to the lower bearing of the upper section, a motor connected with one of these sections and a power transmitting connection between these sections.

Description

United States Patent [191 Platz et al.
[451 Mar. 19, 1974 SUPPORTING TABLE FOR PATIENTS [75] Inventors: Winfried Platz, Rathsberg; Heinz Ludke, Erlangen, both of Germany [73] Assignee: Siemens Aktiengesellschaft,
Erlangen, Germany [22] Filed: Jan. 16, 1973 [21] Appl. No.: 324,069
[30] Foreign Application Priority Data Jan. 15, 1973 Germany ..2201921 [52] U.S. Cl 269/322, 5/63, 108/147, 182/141, 254/10 R, 254/126 [51] int. Cl A47b 9/00 [58] Field of Search 5/11, 63; 108/144, 145,
108/147; 182/141; 254/10 R, 10 B, 10 C, 124, 126; 269/322 [56] References Cited UNITED STATES PATENTS 2.545.515 3/1951 Gannett 108/147 X Sensenbaugh 254/124 X Lauterbach 5/63 X Primary ExaminerRoy Lake Assistant ExaminerMark S. Bicks Attorney, Agent, or Firm-V. Alexander Scher et a1.; Richards & Geier [5 7] ABSTRACT A supporting table for patients has between its base and the table plate a height raising and lowering mechanism which includes rods forming two parallelogram sections connected one behind the other, a connecting member mechanically fixing the upper bearing of the lower section relatively to the lower bearing of the upper section, a motor connected with one of these sections and a power transmitting connection between these sections.
4 Claims, 5 Drawing Figures SUPPORTING TABLE FOR PATIENTS This invention relates to a supporting table for patients.
Such tables are used, for example, in surgery as well as in irradiation devices and examining devices to securely support the patient in a suitable position.
Existing supporting tables have as a rule raising and lowering devices used to adapt the location of the patient to the various requirements. However, the existing raising and lowering devices change the height level only to a small extent. They are hydraulically, mechanically or electromechanically operated.
Austrian patent specification No. 214,023 describes a supporting table for patients wherein the table plate is swingable about a horizontal axis and wherein a chelate rod connection is used for height setting. Such rod connection has, however, the drawback that it takes a great deal of space and that it is comparatively expensive and complicated as far as its structure is concerned. It is therefore badly suitable for certain uses, particularly when utensils must be placed under the table. This Austrian patent specification also describes a parallel rod guide. However, this guide is not used for the height setting of the table but is connected with a device for swinging the table. Thus the parallel rod guide is an addition to the chelate rod connection.
Known supporting tables for patients are difficult to use in certain cases, for example in illuminating devices or ray measuring devices which have a large vertical extension, for example, an isotope camera, and which must be used above the table and also under the table. Specifically, in known patient supporting tables it is not possible due to their comparatively small height movement to place an isotope camera under the table to take measurements of the patient from below.
An object of the present invention is the provision of a supporting table for patients having means for raising and lowering the table to a great extent so that devices having a great length, as for example, an isotope camera can be placed under the table, while space required for the raising and lowering means is small.
Other objects will become apparent in the course of the following specification.
In the accomplishment of the objectives of the present invention it was found desirable to provide a height raising and lowering mechanism having two specifically interconnected parallelogram rod sections. The mechanism is of small size but makes possible the height setting of the table within wide limits. Thus the supporting table of the present invention can be used in connection with an isotope camera.
The specific connection of the parallelogram rod sections includes a yoke and levers connected with the sections, providing a particularly simple and space saving embodiment of the present invention. The sizes of the yoke and levers are determined by the size of the stroke for raising and lowering the table.
According to an embodiment of the present invention the parallel sections have U-shaped interengaging shapes. This construction is particularly effective as a protection against accidents.
The invention will appear more clearly from the following detailed description when taken in connection with the accompanying drawing showing by way of example only a preferred embodiment of the inventive idea.
In the drawing:
FIG. 1 is a side view of an apparatus wherein the supporting table of the present invention is used.
FIG. 2 is a front view.
FIGS. 3 and 3a are diagrams illustrating the operation and size of the double parallelograms of the raising and lowering mechanism.
FIG. 4 is a section through one of the parallelogram rods.
As shown in FIGS. 1 and 2 the supporting table 1 for patients is combined with an isotope camera 2. The camera 2 consists of the actual camera head 3 and a support 4 which is shiftable vertically along a column 5, so that it can be moved from an upper position 3 shown by full lines to a lower position 3 indicated by broken lines in FIGS. 1 and 2.
The supporting table 1 for patients consists of a base 7 movable upon the floor by an air seating and carrying the raising and lowering mechanism 8 which extends as an intermediate part to the actual table 9. The table 9 is shown in full lines in its normal lower position and is indicated as 9 by broken lines in its raised position.
The actual raising mechanism 8 includes a support 10 fixed to the base 7, a trapeze-shaped connection 1 1 and a support 12 firmly fixed to the table 9. Parallel guides 13 and 14 provide a connection between the support 10 and the connection 11 while parallel guides 15 and 16 provide a connection between the connection 11 and the support 12. The first support 10 carries a rotary bearing 18 for the guide 13. The guides 14 and 13 are connected to rotary bearings 19 and 20, respectively, carried by the connection 11. The connection 11 also carries rotary bearings 21 and 22 opposite the bearings 19 and 20. The bearing 21 is connected with one end of the guide 16 the opposite end of which is connected with a rotary bearing 23 carried by the support 12. The bearing 22 is connected with one end of the guide 15 the opposite end of which is connected with a rotary bearing 24 carried by the support 12. These parts are also shown by broken lines in their raised position in FIG. 3 the numerals of the same parts being provided with primes.
As shown in FIG. 4, the parallel guides 13, 14 and 15, 16 are of U-shaped outline, with the open U-sides of the parts being directed toward each other and interengaging. The supports 10 and 12 as well as the connection 11 are also U-shaped so that on both sides of the legs of the U-shaped profile of the guides 13 to 16 there is one supporting plate of the supports 10 and 12 as well as of the connection 11, as indicated by 10 and 10' in FIG. 4. Due to this construction the rods are closed on all sides so that there is no danger of accidients resulting from improper grasping.
As shown in FIGS. 3 and 3a, the action of the mechanism 8 is provided by the two parallel guides 13 and 14 the rotary axes of which are constituted by bearings 17 and 18 of the support 10 connected with the base 7. The two sides are moved relatively to each other by a ball bearing spindle 25, in that the motor 25 rotates the threaded rod 28 through the gear drive 27 in a direction corresponding as to whether the table 9 is to be raised or lowered. This causes a swinging of the guide 14 about its bearing and at the same time the lever 29 which is rigidly connected with the guide 14 and extends beyond the bearing 19, will turn the bearing 30 and move upwardly the yoke 31. This causes through the the bearing 32 a movement of the lever 33 rigidly connected with the guide 15, so that the guide 15 of the second parallelogram connection is also moved. Thus the support 12 to which the table is attached is also raised when the spindle 25 is raised due to the provision of bearings 21 to 24. In its final end location the support reaches the position 12'. By rotating the threaded rod 28 of the spindle 25 in the opposite direction the table is lowered. The guides 13 and 16 participate in these movements and serve solely for the straight guiding of the support 12, i.e., the table 9.
In order to produce the desired free transmission and guiding the following is provided: the parallel guides 13 to 16 are of equal length and there are equal distances between the guides 13 and 14 as well as guides 15 and 16. There are corresponding equal distances between the bearings 17 and 18, 19 and 20, 21 and 22 as well as 23 and 24. Thus the movement of the support 12 and consequently that of the table takes place at least approximately along a vertical line. For that purpose the angle which the lever 33 forms with the parallel guide 15 is so selected that in the lowermost, namely, the basic or initial position the lever 33 extends in the direction of the line connecting the bearings 19 and 22 (FIG. 3a). In this position the lever 29 forms an angle with the above-mentioned connecting line between bearings 19 and 22 which corresponds with that through which the guides are moved when the stroke has reached its maximum position (maximum stroke angle). After reaching the maximum stroke the lever 33 will form the maximum stroke angle with the connecting line between bearings 19 and 22. By suitably selecting the length of the yoke 31 and the length of the levers 29 and 33 a most uniform movement is provided for the table between its lower position 9 and its upper position 9. In this example of the present invention this is attained if the lengths of the levers 29 and 33, which are equal to each other, are equal to a specific part of the distance between bearings 19 and 22 depending upon the maximum stroke angle. In case of an angle of 70 for calculating the length of the levers 29 and 33 there is the factor 0.46 as multiplier for the distance between bearings 19 and 22. For 90-the factor is 0.41. This indicates that the multiplicator factor changes its amount relatively to the increase of the angle, even through the change is a small one in the range which is of interest. If the distance between bearings 19 and 20 is 30 cm. in case of a maximum stroke angle which for the above values is the average value of the multiplier is 0.43. Then the levers 29 and 33, namely the distances between the bearings 19 and 30, and 32 and 22, have the length of 13 cm. The yoke 31 inserted between the bearings 30 and 32 has then a length of 18.5 cm. It is then immaterial which is the length of the guides 13 to 16 and at what distances from each other they are located, since these sizes have no effect upon the properties of the parts 29, 31 and 33 which carry out the stroke and transmit the drive. The length of the parallel guides 13 to 16 determines the absolute height of the stroke while the mutual distances of the guides 13, 14 and 15, 16 are selected when taking into consideration the division of mechanical load upon the supports 10 and 12 as well as the connection 11.
What is claimed is:
1. A supporting table for patients, having a base, a table plate and a mechanism located between said base and said table plate for moving said table plate up and down relatively to said base, said mechanism comprising rods forming two parallelogram sections located one above the other, bearings carried by ends of said rods, a connecting member connecting the upper bearings of the lower section with the lower bearings of the upper section, a motor, a drive connecting said motor with one of said sections and power transmitting connecting means between the two sections.
2. A table in accordance with claim 1, wherein said rods are of equal lengths.
3. A table in accordance with claim 1, wherein said power transmitting means comprise a yoke, a lever constituting a continuation of one of the rods of the lower section and pivotally connected with one end of said yoke, and another lever extending at an angle from the lower end of one of the rods of the upper section and pivotally connected with the other end of said yoke.
4. A table in accordance with claim 1, wherein said rods are U-shaped in cross-section and have interengaging profiles.

Claims (4)

1. A supporting table for patients, having a base, a table plate and a mechanism located between said base and said table plate for moving said table plate up and down relatively to said base, said mechanism comprising rods forming two parallelogram sections located one above the other, bearings carried by ends of said rods, a connecting member connecting the upper bearings of the lower section with the lower bearings of the upper section, a motor, a drive connecting said motor with one of said sections and power transmitting connecting means between the two sections.
2. A table in accordance with claim 1, wherein said rods are of equal lengThs.
3. A table in accordance with claim 1, wherein said power transmitting means comprise a yoke, a lever constituting a continuation of one of the rods of the lower section and pivotally connected with one end of said yoke, and another lever extending at an angle from the lower end of one of the rods of the upper section and pivotally connected with the other end of said yoke.
4. A table in accordance with claim 1, wherein said rods are U-shaped in cross-section and have interengaging profiles.
US00324069A 1972-01-15 1973-01-16 Supporting table for patients Expired - Lifetime US3797819A (en)

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4681308A (en) * 1985-07-16 1987-07-21 Paul Rice Diagnostic patient support apparatus
US4690466A (en) * 1986-05-30 1987-09-01 Delta Wood Products, Inc. Sewing machine cabinet and lift
US4836520A (en) * 1986-12-19 1989-06-06 U.S. Philips Corporation Radiology patient support
WO1997042876A1 (en) * 1996-05-15 1997-11-20 Elekta Ab Patient support
WO1998027866A2 (en) * 1996-12-20 1998-07-02 Koninklijke Philips Electronics N.V. Medical apparatus including a patient table with a compact and rigid elevating mechanism
US6101956A (en) * 1997-12-16 2000-08-15 Keil; Charles C. Mobile veterinary treatment prep table
US20070245977A1 (en) * 1997-12-16 2007-10-25 Midmark Corporation Veterinary procedure table with scale
US20090044762A1 (en) * 2007-08-14 2009-02-19 Midmark Corporation Grille for veterinary procedure tables
US20090255483A1 (en) * 2008-04-14 2009-10-15 Midmark Corporation Veterinary procedure table
USD742526S1 (en) * 2014-06-23 2015-11-03 Schroer Manufacturing Company Veterinary table
USD764063S1 (en) * 2013-11-19 2016-08-16 Merivaara Oy Medical equipment subcomponent
USD780929S1 (en) * 2013-11-19 2017-03-07 Merivaara Oy Medical equipment component

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2323370A1 (en) * 1975-05-30 1977-04-08 Minerve Vertically adjustable operating table - has vertical arm forming side of parallelogram linkage actuated by electrically operated jack
DE3345434A1 (en) * 1983-12-15 1985-06-27 Siemens AG, 1000 Berlin und 8000 München X-RAY EXAMINATION TABLE
FR2644687B1 (en) * 1989-03-23 1997-11-14 Genral Electric Cgr Sa PATIENT SUPPORT WITH LARGE VERTICAL TRAVEL
NL1005797C2 (en) * 1997-04-11 1998-10-14 Konings Beheer B V L Device suitable for translation of an object in the translation direction as well as a patient table.

Citations (3)

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Publication number Priority date Publication date Assignee Title
US2545515A (en) * 1948-07-24 1951-03-20 Le Febure Corp Vertically adjustable table for office appliances
US2625443A (en) * 1949-09-27 1953-01-13 Sensenbaugh Andrew Elevating scaffold
US3253817A (en) * 1963-11-29 1966-05-31 Ritter Corp Extendable apparatus

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2545515A (en) * 1948-07-24 1951-03-20 Le Febure Corp Vertically adjustable table for office appliances
US2625443A (en) * 1949-09-27 1953-01-13 Sensenbaugh Andrew Elevating scaffold
US3253817A (en) * 1963-11-29 1966-05-31 Ritter Corp Extendable apparatus

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4681308A (en) * 1985-07-16 1987-07-21 Paul Rice Diagnostic patient support apparatus
US4690466A (en) * 1986-05-30 1987-09-01 Delta Wood Products, Inc. Sewing machine cabinet and lift
US4836520A (en) * 1986-12-19 1989-06-06 U.S. Philips Corporation Radiology patient support
US6502261B1 (en) 1996-05-15 2003-01-07 Elekta Ab Patient support
WO1997042876A1 (en) * 1996-05-15 1997-11-20 Elekta Ab Patient support
EP1099411A3 (en) * 1996-05-15 2005-08-31 Elekta Ab Patient support
WO1998027866A3 (en) * 1996-12-20 1998-08-27 Philips Electronics Nv Medical apparatus including a patient table with a compact and rigid elevating mechanism
US5953776A (en) * 1996-12-20 1999-09-21 U.S. Philips Corporation Medical apparatus including a patient table with a compact and rigid elevating mechanism
WO1998027866A2 (en) * 1996-12-20 1998-07-02 Koninklijke Philips Electronics N.V. Medical apparatus including a patient table with a compact and rigid elevating mechanism
US8443761B2 (en) 1997-12-16 2013-05-21 Midmark Corporation Veterinary procedure table with scale
US6435110B1 (en) * 1997-12-16 2002-08-20 Dbl.7 Llc Mobile veterinary treatment prep table
US20030000435A1 (en) * 1997-12-16 2003-01-02 Dbl.7 Llc Adjustable height veterinary table having self-contained power unit
US20070125314A1 (en) * 1997-12-16 2007-06-07 Midmark Corporation Adjustable height veterinary table
US20070245977A1 (en) * 1997-12-16 2007-10-25 Midmark Corporation Veterinary procedure table with scale
US6101956A (en) * 1997-12-16 2000-08-15 Keil; Charles C. Mobile veterinary treatment prep table
US7827922B2 (en) 1997-12-16 2010-11-09 Midmark Corporation Adjustable height veterinary table
US20110079185A1 (en) * 2004-01-20 2011-04-07 Midmark Corporation Grille For Veterinary Procedure Tables
US20090044762A1 (en) * 2007-08-14 2009-02-19 Midmark Corporation Grille for veterinary procedure tables
US20090255483A1 (en) * 2008-04-14 2009-10-15 Midmark Corporation Veterinary procedure table
US9192457B2 (en) 2008-04-14 2015-11-24 Midmark Corporation Veterinary procedure table
USD764063S1 (en) * 2013-11-19 2016-08-16 Merivaara Oy Medical equipment subcomponent
USD780929S1 (en) * 2013-11-19 2017-03-07 Merivaara Oy Medical equipment component
USD742526S1 (en) * 2014-06-23 2015-11-03 Schroer Manufacturing Company Veterinary table

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FR2168336A1 (en) 1973-08-31
DE2201921B1 (en) 1973-07-12
FR2168336B1 (en) 1976-05-14

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